/* roulang page: index */
:root {
            --brand-green: #00C853;
            --brand-green-light: #00E676;
            --brand-green-dark: #00963F;
            --bg-deep: #0B0F14;
            --bg-dark: #0A0F16;
            --bg-card: #111722;
            --bg-card-alt: #131C29;
            --bg-surface: #0E1520;
            --text-primary: #F5F7FA;
            --text-secondary: #B0B8C4;
            --text-muted: #6B7280;
            --text-inverse: #0B0F14;
            --border-color: #1E2937;
            --border-hover: #00C853;
            --accent-gold: #FFB300;
            --accent-gold-soft: #F5A623;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 0 1px var(--brand-green), 0 0 20px rgba(0, 200, 83, 0.2);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --nav-width: 240px;
            --nav-width-collapsed: 72px;
            --container-max: 1280px;
            --section-padding: 64px;
            --section-padding-mobile: 40px;
            --transition-fast: 200ms ease-in-out;
            --transition-base: 300ms ease-in-out;
            --transition-slow: 400ms ease-in-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        ::selection {
            background-color: var(--brand-green);
            color: var(--text-inverse);
        }

        /* Layout: side nav + content */
        .site-layout {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        /* Side Navigation */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--bg-deep);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-green-dark) transparent;
            transition: width var(--transition-slow);
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: var(--brand-green-dark);
            border-radius: var(--radius-full);
        }

        .nav-brand {
            padding: 24px 20px 20px;
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
        }

        .nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }

        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--text-inverse);
            flex-shrink: 0;
        }

        .nav-brand .brand-text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: 20px;
            font-weight: 800;
        }

        .nav-brand .brand-text .green {
            color: var(--brand-green);
        }

        .nav-tagline {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 1px;
            font-weight: 400;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-menu {
            flex: 1;
            padding: 16px 12px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: background-color var(--transition-fast), color var(--transition-fast), padding-left var(--transition-fast);
        }

        .nav-menu a::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background: var(--brand-green);
            border-radius: 0 4px 4px 0;
            transition: height var(--transition-base);
        }

        .nav-menu a:hover {
            background-color: rgba(0, 200, 83, 0.06);
            color: var(--text-primary);
            padding-left: 18px;
        }

        .nav-menu a:hover::before {
            height: 60%;
        }

        .nav-menu a.active {
            background-color: rgba(0, 200, 83, 0.12);
            color: var(--brand-green);
            font-weight: 600;
        }

        .nav-menu a.active::before {
            height: 60%;
        }

        .nav-menu .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: currentColor;
        }

        .nav-footer {
            padding: 16px 20px 20px;
            border-top: 1px solid var(--border-color);
            flex-shrink: 0;
        }

        .nav-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .nav-footer a {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .nav-footer a:hover {
            color: var(--brand-green);
        }

        .nav-copyright {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 12px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Main Content */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-slow);
        }

        /* Mobile top nav */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background-color: var(--bg-deep);
            border-bottom: 1px solid var(--border-color);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-header .brand-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 17px;
            color: var(--text-primary);
        }

        .mobile-header .brand-link .brand-icon {
            width: 30px;
            height: 30px;
            background: var(--brand-green);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 14px;
            color: var(--text-inverse);
        }

        .mobile-header .brand-link .green {
            color: var(--brand-green);
        }

        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-primary);
            font-size: 20px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .mobile-header .hamburger:hover {
            border-color: var(--brand-green);
            background-color: rgba(0, 200, 83, 0.08);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(11, 15, 20, 0.98);
            z-index: 998;
            flex-direction: column;
            padding: 16px 20px;
            overflow-y: auto;
            transform: translateY(-8px);
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
        }

        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mobile-drawer a {
            padding: 14px 16px;
            font-size: 17px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--brand-green);
            background-color: rgba(0, 200, 83, 0.06);
            border-left: 3px solid var(--brand-green);
            padding-left: 20px;
        }

        /* Sections */
        .section {
            padding: var(--section-padding) 32px;
            position: relative;
        }

        .section-compact {
            padding: 40px 32px;
        }

        .section-wide {
            padding: 48px 32px 56px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            width: 100%;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            width: 100%;
        }

        .container-wide {
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }

        /* Hero */
        .hero-section {
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 48px 32px;
            background-color: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(135deg, rgba(11, 15, 20, 0.92) 0%, rgba(11, 15, 20, 0.78) 40%, rgba(11, 15, 20, 0.65) 70%, rgba(11, 15, 20, 0.85) 100%),
                url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 180px;
            background: linear-gradient(to bottom, transparent, var(--bg-deep));
            z-index: 2;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            width: 100%;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text-area {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background-color: rgba(0, 200, 83, 0.15);
            border: 1px solid rgba(0, 200, 83, 0.4);
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-green-light);
            letter-spacing: 0.5px;
            width: fit-content;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background-color: var(--brand-green);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.4);
            }
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin: 0;
        }

        .hero-title .highlight {
            color: var(--brand-green);
            position: relative;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 8px;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            font-family: var(--font-mono);
            letter-spacing: -1px;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-stat .stat-value.gold {
            color: var(--accent-gold);
        }
        .hero-stat .stat-value.green {
            color: var(--brand-green);
        }

        /* Hero progress ring card */
        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-progress-card {
            background-color: rgba(14, 21, 32, 0.9);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            gap: 24px;
            align-items: center;
            backdrop-filter: blur(8px);
        }

        .progress-ring-wrap {
            flex-shrink: 0;
            width: 110px;
            height: 110px;
            position: relative;
        }

        .progress-ring-wrap svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .progress-ring-bg {
            fill: none;
            stroke: var(--border-color);
            stroke-width: 8;
        }
        .progress-ring-fill {
            fill: none;
            stroke: var(--brand-green);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 282.74;
            stroke-dashoffset: 62.2;
            transition: stroke-dashoffset 1.5s ease-in-out;
        }

        .progress-ring-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .progress-ring-text .percentage {
            font-size: 24px;
            font-weight: 800;
            color: var(--brand-green);
            font-family: var(--font-mono);
            letter-spacing: -1px;
        }

        .progress-ring-text .p-label {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .hero-progress-info {
            flex: 1;
            min-width: 0;
        }

        .hero-progress-info h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .hero-progress-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        /* Hero tier previews */
        .hero-tiers {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .tier-preview-card {
            background-color: rgba(14, 21, 32, 0.85);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 14px;
            text-align: center;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            backdrop-filter: blur(6px);
        }

        .tier-preview-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        .tier-preview-card .tier-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .tier-preview-card .tier-price {
            font-size: 20px;
            font-weight: 800;
            color: var(--brand-green);
            font-family: var(--font-mono);
        }

        .tier-preview-card .tier-desc {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .tier-preview-card.featured {
            border-color: var(--accent-gold);
            background-color: rgba(245, 166, 35, 0.06);
        }

        .tier-preview-card.featured .tier-price {
            color: var(--accent-gold);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--brand-green);
            color: var(--text-inverse);
            border: 1px solid var(--brand-green);
        }

        .btn-primary:hover {
            background-color: var(--brand-green-light);
            border-color: var(--brand-green-light);
            box-shadow: 0 0 0 1px var(--brand-green-light), 0 4px 16px rgba(0, 200, 83, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            background-color: var(--brand-green-dark);
            border-color: var(--brand-green-dark);
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            box-shadow: 0 0 0 1px var(--brand-green);
            transform: translateY(-1px);
        }

        .btn-ghost {
            background-color: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.35);
        }

        .btn-gold {
            background-color: var(--accent-gold);
            color: var(--text-inverse);
            border: 1px solid var(--accent-gold);
        }

        .btn-gold:hover {
            background-color: var(--accent-gold-soft);
            border-color: var(--accent-gold-soft);
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.35);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
        }

        /* Section shared */
        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-heading h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .section-heading p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-top: 10px;
            line-height: 1.7;
        }

        .section-heading.center {
            text-align: center;
        }
        .section-heading.center p {
            margin-left: auto;
            margin-right: auto;
        }

        .bg-dark-alt {
            background-color: var(--bg-dark);
        }
        .bg-card-alt {
            background-color: var(--bg-card);
        }
        .bg-surface-alt {
            background-color: var(--bg-surface);
        }

        /* Pain points section */
        .pain-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .pain-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .pain-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .pain-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 12px;
        }

        .pain-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .pain-list li .check {
            color: var(--brand-green);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .pain-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
        }

        .pain-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Screenshot stage */
        .screenshot-stage {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .screenshot-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .screenshot-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .screenshot-card .shot-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .screenshot-card .shot-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 15, 20, 0.7), transparent);
        }

        .screenshot-card .shot-body {
            padding: 18px 16px 20px;
        }

        .screenshot-card .shot-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .screenshot-card .shot-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 4px;
            counter-reset: step;
        }

        .step-item {
            display: flex;
            flex-direction: row;
            gap: 16px;
            padding: 24px 20px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            counter-increment: step;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .step-item:hover {
            border-color: var(--brand-green);
            background-color: var(--bg-card-alt);
        }

        .step-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-green);
            font-family: var(--font-mono);
            line-height: 1;
            flex-shrink: 0;
            width: 44px;
            text-align: center;
        }

        .step-item .step-content h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .step-item .step-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Deep content */
        .deep-section {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 36px;
            align-items: center;
        }

        .deep-section .deep-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            min-height: 340px;
            background-color: var(--bg-card);
        }

        .deep-section .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-section .deep-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-section .deep-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        /* Feature highlight list */
        .feature-highlight-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .feature-highlight-item {
            display: flex;
            gap: 20px;
            padding: 20px 16px;
            border-bottom: 1px solid var(--border-color);
            transition: background-color var(--transition-fast);
            align-items: flex-start;
        }

        .feature-highlight-item:hover {
            background-color: rgba(0, 200, 83, 0.04);
        }

        .feature-highlight-item:first-child {
            border-top: 1px solid var(--border-color);
        }

        .feature-highlight-item .fh-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background-color: rgba(0, 200, 83, 0.12);
            color: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .feature-highlight-item .fh-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .feature-highlight-item .fh-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Stats section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .stat-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-3px);
        }

        .stat-card .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-green);
            font-family: var(--font-mono);
            letter-spacing: -1px;
        }

        .stat-card .stat-number.gold {
            color: var(--accent-gold);
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .stat-card .stat-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Ranking list */
        .ranking-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 32px;
        }

        .ranking-list {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .ranking-row {
            display: grid;
            grid-template-columns: 48px 1fr 80px 60px;
            gap: 8px;
            align-items: center;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border-color);
            transition: background-color var(--transition-fast);
        }

        .ranking-row:last-child {
            border-bottom: none;
        }

        .ranking-row:hover {
            background-color: rgba(0, 200, 83, 0.05);
        }

        .ranking-row .rank-num {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-muted);
            font-family: var(--font-mono);
            text-align: center;
        }

        .ranking-row.top1 .rank-num {
            color: var(--accent-gold);
        }
        .ranking-row.top2 .rank-num {
            color: #C0C0C0;
        }
        .ranking-row.top3 .rank-num {
            color: #CD7F32;
        }

        .ranking-row .rank-title {
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-row .rank-tag {
            font-size: 12px;
            padding: 2px 8px;
            border-radius: 4px;
            text-align: center;
            font-weight: 500;
            white-space: nowrap;
        }

        .rank-tag.hot {
            background-color: rgba(255, 179, 0, 0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 179, 0, 0.3);
        }
        .rank-tag.trend {
            background-color: rgba(0, 200, 83, 0.12);
            color: var(--brand-green);
            border: 1px solid rgba(0, 200, 83, 0.3);
        }
        .rank-tag.new {
            background-color: rgba(255, 107, 107, 0.12);
            color: #FF6B6B;
            border: 1px solid rgba(255, 107, 107, 0.3);
        }

        .ranking-row .rank-score {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            text-align: right;
        }

        .ranking-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .ranking-side-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
        }
        .ranking-side-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .ranking-side-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: grid;
            grid-template-columns: 90px 1fr auto;
            gap: 20px;
            padding: 20px 8px;
            border-bottom: 1px solid var(--border-color);
            align-items: start;
            transition: background-color var(--transition-fast);
            text-decoration: none;
        }

        .news-item:hover {
            background-color: rgba(0, 200, 83, 0.03);
        }

        .news-item .news-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-gold);
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
            margin-top: 3px;
        }

        .news-item .news-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .read-more {
            font-size: 13px;
            color: var(--brand-green);
            font-weight: 500;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
            margin-top: 3px;
            transition: gap var(--transition-fast);
        }

        .news-item .read-more:hover {
            gap: 8px;
        }

        /* Brand intro */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .brand-intro-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .brand-intro-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .brand-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            min-height: 280px;
            background-color: var(--bg-card);
        }
        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .testimonial-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-3px);
        }

        .testimonial-card .quote-mark {
            font-size: 36px;
            color: var(--brand-green);
            line-height: 0.6;
            font-weight: 700;
            font-family: Georgia, serif;
        }

        .testimonial-card .quote-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 4px;
        }

        .testimonial-card .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(0, 200, 83, 0.15);
            color: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .testimonial-card .author-meta .author-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .testimonial-card .author-meta .author-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Guest highlights */
        .guest-scroll {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
        }

        .guest-card {
            scroll-snap-align: start;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            min-width: 180px;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .guest-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-3px);
        }

        .guest-card .guest-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background-color: rgba(0, 200, 83, 0.12);
            color: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            margin: 0 auto 12px;
        }

        .guest-card .guest-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .guest-card .guest-title {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .guest-card .guest-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 8px;
            line-height: 1.5;
        }

        /* Scene demo */
        .scene-demo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scene-demo-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .scene-demo-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .scene-demo-visual {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
        }

        .scene-demo-visual h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .scene-step {
            display: flex;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .scene-step:last-child {
            border-bottom: none;
        }
        .scene-step .scene-step-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--brand-green);
            color: var(--text-inverse);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .scene-step .scene-step-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .scene-step .scene-step-body strong {
            color: var(--text-primary);
        }

        /* Tier comparison */
        .tier-comparison-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .tier-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            position: relative;
        }

        .tier-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .tier-card.featured {
            border-color: var(--accent-gold);
            background-color: rgba(245, 166, 35, 0.05);
        }

        .tier-card .tier-badge {
            position: absolute;
            top: -10px;
            right: 16px;
            padding: 3px 12px;
            font-size: 11px;
            font-weight: 700;
            border-radius: var(--radius-full);
            background-color: var(--accent-gold);
            color: var(--text-inverse);
            letter-spacing: 0.5px;
        }

        .tier-card .tier-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .tier-card .tier-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-green);
            font-family: var(--font-mono);
        }
        .tier-card.featured .tier-price {
            color: var(--accent-gold);
        }
        .tier-card .tier-period {
            font-size: 13px;
            color: var(--text-muted);
        }
        .tier-card .tier-features {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .tier-card .tier-features li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }
        .tier-card .tier-features li .check {
            color: var(--brand-green);
            font-weight: 700;
            flex-shrink: 0;
        }
        .tier-card .tier-features li .cross {
            color: var(--text-muted);
            font-weight: 700;
            flex-shrink: 0;
        }
        .tier-card .btn {
            width: 100%;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--brand-green);
        }
        .faq-item.open {
            border-color: var(--brand-green);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            user-select: none;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }

        .faq-question:hover {
            color: var(--brand-green);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: rgba(0, 200, 83, 0.12);
            color: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px 52px;
        }

        /* Download CTA */
        .download-section {
            background-color: var(--bg-dark);
            padding: 56px 32px;
            position: relative;
            overflow: hidden;
        }

        .download-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(135deg, rgba(0, 200, 83, 0.08) 0%, rgba(11, 15, 20, 0.95) 45%, rgba(11, 15, 20, 0.95) 100%),
                url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            z-index: 1;
        }

        .download-section .container {
            position: relative;
            z-index: 2;
        }

        .download-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .download-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .download-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
            max-width: 500px;
        }

        .download-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .download-badge {
            padding: 10px 18px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }
        .download-badge:hover {
            border-color: var(--brand-green);
            background-color: rgba(0, 200, 83, 0.08);
        }

        .download-visual {
            display: flex;
            justify-content: center;
            gap: 12px;
        }
        .download-device {
            width: 120px;
            height: 220px;
            background-color: var(--bg-card);
            border: 2px solid var(--border-color);
            border-radius: 18px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 10px;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .download-device:hover {
            border-color: var(--brand-green);
            transform: translateY(-4px);
        }
        .download-device .device-icon {
            font-size: 36px;
            color: var(--brand-green);
        }
        .download-device .device-label {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* Main CTA end */
        .cta-section {
            padding: 64px 32px;
            background-color: var(--bg-deep);
            text-align: center;
        }

        .cta-section .cta-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 44px 36px;
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--brand-green);
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 22px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding: 44px 32px 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border-color);
        }

        .footer-brand h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .footer-brand h4 .green {
            color: var(--brand-green);
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom .footer-links-inline {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links-inline a {
            color: var(--text-muted);
            font-size: 12px;
            transition: color var(--transition-fast);
        }
        .footer-bottom .footer-links-inline a:hover {
            color: var(--brand-green);
        }

        /* Animations */
        .fade-up {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity var(--transition-slow), transform var(--transition-slow);
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Score ticker */
        .score-ticker {
            background-color: rgba(11, 15, 20, 0.9);
            border-bottom: 1px solid var(--border-color);
            padding: 8px 32px;
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            white-space: nowrap;
        }
        .score-ticker::-webkit-scrollbar {
            display: none;
        }
        .ticker-item {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 12px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .ticker-item .ticker-score {
            color: var(--accent-gold);
            font-weight: 700;
            font-family: var(--font-mono);
        }
        .ticker-item .ticker-time {
            color: var(--text-muted);
            font-size: 11px;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .side-nav {
                width: var(--nav-width-collapsed);
            }
            .side-nav .nav-brand .brand-text,
            .side-nav .nav-tagline {
                display: none;
            }
            .side-nav .nav-brand {
                padding: 24px 12px 20px;
            }
            .side-nav .nav-brand a {
                justify-content: center;
            }
            .side-nav .nav-menu a {
                justify-content: center;
                padding: 12px;
                gap: 0;
            }
            .side-nav .nav-menu a span.nav-label {
                display: none;
            }
            .side-nav .nav-menu a .nav-icon {
                font-size: 20px;
            }
            .side-nav .nav-footer {
                padding: 16px 8px;
            }
            .side-nav .nav-footer .footer-links a span {
                display: none;
            }
            .side-nav .nav-copyright {
                display: none;
            }
            .main-content {
                margin-left: var(--nav-width-collapsed);
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-inner {
                gap: 28px;
            }
            .guest-scroll {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991px) {
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-drawer {
                display: flex;
            }
            body {
                padding-top: 56px;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 20px 56px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-tiers {
                grid-template-columns: repeat(3, 1fr);
            }
            .section {
                padding: var(--section-padding-mobile) 20px;
            }
            .pain-grid,
            .deep-section,
            .brand-intro-grid,
            .scene-demo-grid,
            .download-content {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
            .screenshot-stage {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .guest-scroll {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-comparison-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-item {
                grid-template-columns: 70px 1fr;
            }
            .news-item .read-more {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .stat-value {
                font-size: 22px;
            }
            .hero-progress-card {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
            .hero-tiers {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .screenshot-stage {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .guest-scroll {
                grid-template-columns: repeat(2, 1fr);
                overflow-x: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .news-item .news-date {
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 22px;
            }
            .section {
                padding: 32px 16px;
            }
            .hero-section {
                padding: 32px 16px 48px;
            }
            .section-heading h2 {
                font-size: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .step-item {
                flex-direction: column;
                gap: 10px;
            }
            .step-number {
                font-size: 28px;
            }
            .download-device {
                width: 90px;
                height: 180px;
            }
            .tier-card {
                padding: 20px 16px;
            }
            .tier-card .tier-price {
                font-size: 26px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-green: #00C853;
            --brand-green-light: #00E676;
            --brand-green-dark: #00963F;
            --bg-deep: #0B0F14;
            --bg-dark: #0A0F16;
            --bg-card: #111722;
            --bg-card-alt: #131C29;
            --bg-surface: #0E1520;
            --text-primary: #F5F7FA;
            --text-secondary: #B0B8C4;
            --text-muted: #6B7280;
            --text-inverse: #0B0F14;
            --border-color: #1E2937;
            --border-hover: #00C853;
            --accent-gold: #FFB300;
            --accent-gold-soft: #F5A623;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 0 1px var(--brand-green), 0 0 20px rgba(0, 200, 83, 0.2);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --nav-width: 240px;
            --nav-width-collapsed: 72px;
            --container-max: 1280px;
            --section-padding: 64px;
            --section-padding-mobile: 40px;
            --transition-fast: 200ms ease-in-out;
            --transition-base: 300ms ease-in-out;
            --transition-slow: 400ms ease-in-out;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .site-layout {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--bg-deep);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-green-dark) transparent;
            transition: width var(--transition-slow);
        }
        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: var(--brand-green-dark);
            border-radius: var(--radius-full);
        }
        .nav-brand {
            padding: 24px 20px 20px;
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
        }
        .nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }
        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--text-inverse);
            flex-shrink: 0;
        }
        .nav-brand .brand-text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: 20px;
            font-weight: 800;
        }
        .nav-brand .brand-text .green {
            color: var(--brand-green);
        }
        .nav-tagline {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 1px;
            font-weight: 400;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .nav-menu {
            flex: 1;
            padding: 16px 12px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            border-left: 3px solid transparent;
        }
        .nav-menu a:hover {
            background-color: var(--bg-card);
            color: var(--text-primary);
            border-left-color: var(--brand-green);
        }
        .nav-menu a.active {
            background-color: var(--bg-card-alt);
            color: var(--brand-green);
            border-left-color: var(--brand-green);
            font-weight: 600;
        }
        .nav-menu a .nav-icon {
            font-size: 12px;
            color: var(--brand-green);
            flex-shrink: 0;
            width: 16px;
            text-align: center;
        }
        .nav-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            word-break: break-all;
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 56px;
            background-color: var(--bg-deep);
            border-bottom: 1px solid var(--border-color);
            z-index: 1001;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
        }
        .mobile-header .hamburger {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 24px;
            cursor: pointer;
            padding: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }
        .mobile-header .mobile-logo {
            font-weight: 800;
            font-size: 17px;
            color: var(--text-primary);
        }
        .mobile-header .mobile-logo .green {
            color: var(--brand-green);
        }
        .mobile-header .mobile-cta {
            margin-left: auto;
            background: var(--brand-green);
            color: var(--text-inverse);
            border: none;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
        }
        .mobile-header .mobile-cta:hover {
            background: var(--brand-green-light);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.7);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-overlay.open {
            opacity: 1;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--bg-deep);
            border-right: 1px solid var(--border-color);
            z-index: 1000;
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .nav-brand {
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-drawer .nav-menu {
            padding: 12px;
            gap: 2px;
        }
        .mobile-drawer .nav-menu a {
            padding: 14px 16px;
            font-size: 16px;
        }
        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-slow);
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--brand-green);
            color: var(--text-inverse);
        }
        .btn-primary:hover {
            background: var(--brand-green-light);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            background: var(--brand-green-dark);
            transform: translateY(0);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: rgba(245, 247, 250, 0.08);
            color: var(--text-primary);
            border: 1px solid rgba(245, 247, 250, 0.3);
        }
        .btn-ghost:hover {
            background: rgba(245, 247, 250, 0.15);
            border-color: var(--brand-green);
        }
        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }
        .badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(0, 200, 83, 0.15);
            color: var(--brand-green);
            border: 1px solid rgba(0, 200, 83, 0.3);
        }
        .badge-gold {
            background: rgba(255, 179, 0, 0.12);
            color: var(--accent-gold);
            border-color: rgba(255, 179, 0, 0.3);
        }
        .badge-muted {
            background: var(--bg-card);
            color: var(--text-muted);
            border-color: var(--border-color);
        }
        .section {
            padding: var(--section-padding) 0;
            position: relative;
        }
        .section-compact {
            padding: 40px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--brand-green);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }
        .text-green {
            color: var(--brand-green);
        }
        .text-gold {
            color: var(--accent-gold);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mono {
            font-family: var(--font-mono);
        }
        .hero-tennis {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            margin-bottom: 0;
        }
        .hero-tennis::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 20, 0.7) 0%, rgba(11, 15, 20, 0.82) 55%, rgba(11, 15, 20, 0.95) 100%);
            z-index: 1;
        }
        .hero-tennis::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(0, 200, 83, 0.2) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-tennis .hero-inner {
            position: relative;
            z-index: 2;
            padding: 100px 0 80px;
            width: 100%;
        }
        .hero-tennis .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-green);
            background: rgba(0, 200, 83, 0.12);
            border: 1px solid rgba(0, 200, 83, 0.25);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 20px;
        }
        .hero-tennis h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-tennis .hero-sub {
            font-size: 19px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 32px;
        }
        .hero-tennis .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .hero-tennis .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-tennis .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-tennis .hero-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 23px;
            font-weight: 700;
            color: var(--brand-green);
        }
        .hero-tennis .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .grid-asym {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-base);
        }
        .card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .card-feature {
            background: var(--bg-card-alt);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 28px;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-feature:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-feature .cf-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(0, 200, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .card-feature h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .card-feature p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .card-feature .cf-link {
            margin-top: 14px;
            color: var(--brand-green);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-feature .cf-link:hover {
            color: var(--brand-green-light);
            gap: 10px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
            transition: background-color var(--transition-fast);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.02);
            padding-left: 8px;
            border-radius: var(--radius-sm);
        }
        .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-gold);
            white-space: nowrap;
            min-width: 96px;
            padding-top: 2px;
            font-weight: 500;
        }
        .news-content {
            flex: 1;
        }
        .news-content h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-content .read-more {
            font-size: 14px;
            color: var(--brand-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .news-content .read-more:hover {
            color: var(--brand-green-light);
            gap: 8px;
        }
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
        }
        .timeline-item {
            position: relative;
            padding: 20px 0 20px 28px;
            border-bottom: 1px solid var(--border-color);
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 26px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--bg-deep);
            border: 3px solid var(--brand-green);
            z-index: 1;
        }
        .timeline-item .tl-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-gold);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .timeline-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .player-strip {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-green-dark) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .player-strip::-webkit-scrollbar {
            height: 4px;
        }
        .player-strip::-webkit-scrollbar-track {
            background: var(--bg-card);
            border-radius: var(--radius-full);
        }
        .player-strip::-webkit-scrollbar-thumb {
            background: var(--brand-green-dark);
            border-radius: var(--radius-full);
        }
        .player-card {
            min-width: 220px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .player-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-soft);
            transform: translateY(-2px);
        }
        .player-card .pc-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .player-card .pc-rank {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .player-card .pc-stats {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .player-card .pc-stat {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .player-card .pc-stat .val {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-green);
        }
        .match-card {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-base);
        }
        .match-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .match-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }
        .match-header .match-tour {
            font-size: 13px;
            color: var(--brand-green);
            font-weight: 600;
        }
        .match-header .match-status {
            font-size: 12px;
            color: var(--accent-gold);
            font-family: var(--font-mono);
        }
        .match-players {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .match-player {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 12px;
            background: var(--bg-surface);
            border-radius: var(--radius-sm);
            font-size: 15px;
        }
        .match-player .mp-name {
            color: var(--text-primary);
            font-weight: 500;
        }
        .match-player .mp-score {
            font-family: var(--font-mono);
            font-size: 17px;
            font-weight: 700;
            color: var(--accent-gold);
        }
        .match-player.winner .mp-score {
            color: var(--brand-green);
        }
        .match-player .mp-sets {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(0, 200, 83, 0.4);
        }
        .faq-item.active {
            border-color: var(--brand-green);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--brand-green);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--brand-green);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-weight: 400;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }
        .cta-band {
            background: linear-gradient(135deg, rgba(0, 200, 83, 0.15) 0%, rgba(0, 150, 63, 0.08) 100%);
            border: 1px solid rgba(0, 200, 83, 0.3);
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 200, 83, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-band h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-band p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-band .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 20px 0 0;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--brand-green);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text-secondary);
        }
        .site-footer {
            background-color: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding: 40px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .footer-brand h4 .green {
            color: var(--brand-green);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links-inline {
            display: flex;
            gap: 16px;
            margin-left: auto;
        }
        .footer-links-inline a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-links-inline a:hover {
            color: var(--brand-green);
        }
        @media (max-width: 1199px) {
            :root {
                --nav-width: 72px;
            }
            .nav-brand .brand-text,
            .nav-tagline,
            .nav-menu a span:not(.nav-icon),
            .nav-footer {
                display: none;
            }
            .nav-brand a {
                justify-content: center;
            }
            .nav-brand {
                padding: 20px 12px;
            }
            .nav-menu a {
                justify-content: center;
                padding: 12px;
            }
            .main-content {
                margin-left: 72px;
            }
        }
        @media (max-width: 991px) {
            .side-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-overlay,
            .mobile-drawer {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .hero-tennis {
                min-height: 500px;
            }
            .hero-tennis h1 {
                font-size: 32px;
            }
            .grid-2,
            .grid-asym {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 26px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: var(--section-padding-mobile) 0;
            }
            .hero-tennis {
                min-height: 450px;
            }
            .hero-tennis h1 {
                font-size: 26px;
            }
            .hero-tennis .hero-sub {
                font-size: 16px;
            }
            .hero-tennis .hero-inner {
                padding: 60px 0 40px;
            }
            .hero-tennis .hero-stats {
                gap: 16px;
                flex-direction: column;
            }
            .grid-3,
            .grid-4,
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-band {
                padding: 32px 20px;
            }
            .cta-band h2 {
                font-size: 24px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date {
                min-width: auto;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-links-inline {
                margin-left: 0;
            }
            .section-title {
                font-size: 22px;
            }
            .btn {
                padding: 10px 16px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .hero-tennis h1 {
                font-size: 22px;
            }
            .hero-tennis .hero-sub {
                font-size: 15px;
            }
            .hero-tennis .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-tennis .hero-actions .btn {
                width: 100%;
            }
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .match-players {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-green: #00C853;
            --brand-green-light: #00E676;
            --brand-green-dark: #00963F;
            --bg-deep: #0B0F14;
            --bg-dark: #0A0F16;
            --bg-card: #111722;
            --bg-card-alt: #131C29;
            --bg-surface: #0E1520;
            --text-primary: #F5F7FA;
            --text-secondary: #B0B8C4;
            --text-muted: #6B7280;
            --text-inverse: #0B0F14;
            --border-color: #1E2937;
            --border-hover: #00C853;
            --accent-gold: #FFB300;
            --accent-gold-soft: #F5A623;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 0 1px var(--brand-green), 0 0 20px rgba(0, 200, 83, 0.2);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --nav-width: 240px;
            --nav-width-collapsed: 72px;
            --container-max: 1280px;
            --section-padding: 64px;
            --section-padding-mobile: 40px;
            --transition-fast: 200ms ease-in-out;
            --transition-base: 300ms ease-in-out;
            --transition-slow: 400ms ease-in-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .site-layout {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--bg-deep);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-green-dark) transparent;
            transition: width var(--transition-slow);
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }

        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }

        .side-nav::-webkit-scrollbar-thumb {
            background: var(--brand-green-dark);
            border-radius: var(--radius-full);
        }

        .nav-brand {
            padding: 24px 20px 20px;
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
        }

        .nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }

        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--text-inverse);
            flex-shrink: 0;
        }

        .nav-brand .brand-text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: 20px;
            font-weight: 800;
        }

        .nav-brand .brand-text .green {
            color: var(--brand-green);
        }

        .nav-tagline {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 1px;
            font-weight: 400;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-menu {
            flex: 1;
            padding: 16px 12px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .nav-menu a::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background: var(--brand-green);
            border-radius: 0 3px 3px 0;
            transition: height var(--transition-base);
        }

        .nav-menu a:hover {
            background-color: rgba(0, 200, 83, 0.06);
            color: var(--text-primary);
        }

        .nav-menu a:hover::before {
            height: 60%;
        }

        .nav-menu a.active {
            background-color: rgba(0, 200, 83, 0.1);
            color: var(--brand-green);
            font-weight: 600;
        }

        .nav-menu a.active::before {
            height: 70%;
        }

        .nav-icon {
            font-size: 16px;
            color: var(--brand-green);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .nav-menu a:hover .nav-icon {
            transform: scale(1.2);
        }

        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background-color: var(--bg-deep);
            border-bottom: 1px solid var(--border-color);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-primary);
        }

        .mobile-header .mobile-logo .green {
            color: var(--brand-green);
        }

        .mobile-hamburger {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
        }

        .mobile-hamburger:hover {
            background-color: rgba(255, 255, 255, 0.06);
        }

        .mobile-dropdown {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(11, 15, 20, 0.98);
            z-index: 998;
            padding: 16px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-dropdown.open {
            display: flex;
        }

        .mobile-dropdown a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-dropdown a:hover {
            background-color: rgba(0, 200, 83, 0.06);
            color: var(--text-primary);
        }

        .mobile-dropdown a.active {
            background-color: rgba(0, 200, 83, 0.1);
            color: var(--brand-green);
            font-weight: 600;
        }

        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .breadcrumb {
            padding: 20px 0;
            background-color: var(--bg-dark);
            border-bottom: 1px solid var(--border-color);
        }

        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--brand-green);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: var(--brand-green);
            font-weight: 500;
        }

        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 64px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.85) 0%, rgba(11, 15, 20, 0.65) 40%, rgba(11, 15, 20, 0.45) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(0, 200, 83, 0.15);
            border: 1px solid rgba(0, 200, 83, 0.3);
            color: var(--brand-green);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .hero-content h1 .highlight {
            color: var(--brand-green);
        }

        .hero-content .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 580px;
        }

        .hero-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background-color: var(--brand-green);
            color: var(--text-inverse);
        }

        .btn-primary:hover {
            background-color: var(--brand-green-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 200, 83, 0.3);
        }

        .btn-primary:active {
            background-color: var(--brand-green-dark);
            transform: translateY(0);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
        }

        .btn-outline:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background-color: rgba(0, 200, 83, 0.04);
        }

        .btn-ghost-light {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            backdrop-filter: blur(8px);
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .section {
            padding: var(--section-padding) 0;
            background-color: var(--bg-deep);
        }

        .section-alt {
            background-color: var(--bg-dark);
        }

        .section-surface {
            background-color: var(--bg-surface);
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-header h2 .accent {
            color: var(--brand-green);
        }

        .section-header .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.6;
        }

        .score-strip {
            background-color: rgba(11, 15, 20, 0.9);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
            overflow: hidden;
        }

        .score-strip .container {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .score-strip .container::-webkit-scrollbar {
            display: none;
        }

        .score-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            flex-shrink: 0;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .score-item:hover {
            border-color: var(--brand-green);
            background-color: var(--bg-card-alt);
        }

        .score-league {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .score-match {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .score-goals {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 16px;
        }

        .score-time {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .competition-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 16px;
        }

        .competition-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .competition-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .competition-logo {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: var(--bg-surface);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--brand-green);
            margin: 0 auto 12px;
            font-weight: 700;
        }

        .competition-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .competition-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .feature-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .feature-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .feature-image-wrap::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(11, 15, 20, 0.7), transparent);
            pointer-events: none;
        }

        .feature-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .feature-text h3 .accent {
            color: var(--brand-green);
        }

        .feature-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .feature-list li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: rgba(0, 200, 83, 0.15);
            color: var(--brand-green);
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .timeline {
            position: relative;
            padding-left: 28px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: var(--border-color);
        }

        .timeline-item {
            position: relative;
            padding: 16px 20px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast);
        }

        .timeline-item:hover {
            border-color: var(--brand-green);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 24px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--brand-green);
            border: 2px solid var(--bg-deep);
            box-shadow: 0 0 0 2px var(--brand-green);
        }

        .timeline-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-gold);
            font-weight: 600;
            margin-bottom: 6px;
            display: block;
        }

        .timeline-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            transition: border-color var(--transition-fast);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            border-color: var(--brand-green);
        }

        .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-gold);
            font-weight: 600;
            flex-shrink: 0;
            width: 80px;
            white-space: nowrap;
        }

        .news-body {
            flex: 1;
        }

        .news-body h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-green);
            font-size: 14px;
            font-weight: 500;
            transition: gap var(--transition-fast);
        }

        .read-more:hover {
            gap: 10px;
        }

        .read-more .arrow {
            font-size: 16px;
            transition: transform var(--transition-fast);
        }

        .read-more:hover .arrow {
            transform: translateX(3px);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
        }

        .stat-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .stat-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-3px);
        }

        .stat-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-green);
            line-height: 1.2;
            display: block;
            margin-bottom: 4px;
        }

        .stat-number .unit {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: stretch;
        }

        .deep-article {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: border-color var(--transition-fast);
        }

        .deep-article:hover {
            border-color: var(--brand-green);
        }

        .deep-article-body {
            padding: 24px;
            flex: 1;
        }

        .deep-article-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .deep-article-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--brand-green);
        }

        .faq-item.active {
            border-color: var(--brand-green);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--brand-green);
        }

        .faq-icon {
            font-size: 20px;
            color: var(--brand-green);
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .cta-section {
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.9) 0%, rgba(0, 150, 60, 0.5) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .site-footer {
            background-color: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .footer-brand h4 .green {
            color: var(--brand-green);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--brand-green);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-links-inline {
            display: flex;
            gap: 16px;
        }

        .footer-links-inline a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-links-inline a:hover {
            color: var(--brand-green);
        }

        @media (max-width: 1199px) {
            :root {
                --nav-width: 72px;
            }
            .side-nav .nav-brand .brand-text,
            .side-nav .nav-tagline,
            .side-nav .nav-menu a span:not(.nav-icon),
            .side-nav-footer {
                display: none;
            }
            .side-nav .nav-brand a {
                justify-content: center;
            }
            .side-nav .nav-brand {
                padding: 20px 8px;
            }
            .side-nav .nav-menu {
                padding: 12px 8px;
            }
            .side-nav .nav-menu a {
                justify-content: center;
                padding: 14px 8px;
                gap: 0;
            }
            .side-nav .nav-menu a::before {
                left: -8px;
            }
            .side-nav .nav-menu a .nav-icon {
                font-size: 20px;
            }
            .side-nav .side-nav-footer {
                display: none;
            }
        }

        @media (max-width: 991px) {
            .side-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            :root {
                --section-padding: 48px;
            }
            .feature-split,
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-padding: 36px;
            }
            .container {
                padding: 0 16px;
            }
            .hero-section {
                min-height: 320px;
                padding: 40px 0;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-content .hero-desc {
                font-size: 15px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .feature-split,
            .deep-content-grid {
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .competition-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date {
                width: auto;
            }
            .btn {
                padding: 10px 16px;
                font-size: 13px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 22px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .competition-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 28px;
            }
            .timeline-item {
                padding: 12px 14px;
            }
            .faq-question {
                font-size: 14px;
                padding: 12px 14px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-green: #00C853;
            --brand-green-light: #00E676;
            --brand-green-dark: #00963F;
            --bg-deep: #0B0F14;
            --bg-dark: #0A0F16;
            --bg-card: #111722;
            --bg-card-alt: #131C29;
            --bg-surface: #0E1520;
            --text-primary: #F5F7FA;
            --text-secondary: #B0B8C4;
            --text-muted: #6B7280;
            --text-inverse: #0B0F14;
            --border-color: #1E2937;
            --border-hover: #00C853;
            --accent-gold: #FFB300;
            --accent-gold-soft: #F5A623;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 0 1px var(--brand-green), 0 0 20px rgba(0, 200, 83, 0.2);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --nav-width: 240px;
            --nav-width-collapsed: 72px;
            --container-max: 1280px;
            --section-padding: 64px;
            --section-padding-mobile: 40px;
            --transition-fast: 200ms ease-in-out;
            --transition-base: 300ms ease-in-out;
            --transition-slow: 400ms ease-in-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .site-layout {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--bg-deep);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-green-dark) transparent;
            transition: width var(--transition-slow);
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: var(--brand-green-dark);
            border-radius: var(--radius-full);
        }

        .side-nav-logo {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 24px 16px 20px;
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
            text-align: center;
        }

        .side-nav-logo .logo-main {
            font-weight: 800;
            font-size: 22px;
            letter-spacing: 1px;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .side-nav-logo .logo-main .green {
            color: var(--brand-green);
        }

        .side-nav-logo .logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-family: var(--font-mono);
        }

        .side-nav-links {
            list-style: none;
            flex: 1;
            padding: 16px 12px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .side-nav-links li {
            width: 100%;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .side-nav-link:hover {
            color: var(--text-primary);
            background-color: var(--bg-card);
            border-left-color: var(--brand-green);
        }

        .side-nav-link.active {
            color: var(--brand-green);
            background-color: var(--bg-card);
            border-left-color: var(--brand-green);
            font-weight: 600;
        }

        .side-nav-link .nav-icon {
            font-size: 10px;
            color: var(--brand-green);
            flex-shrink: 0;
            opacity: 0.8;
        }

        .side-nav-link span:last-child {
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .side-nav-footer {
            padding: 16px 20px;
            font-size: 11px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            flex-shrink: 0;
            text-align: center;
            font-family: var(--font-mono);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-slow);
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background-color: var(--bg-deep);
            border-bottom: 1px solid var(--border-color);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-header .mobile-logo {
            font-weight: 800;
            font-size: 18px;
            color: var(--text-primary);
        }
        .mobile-header .mobile-logo .green {
            color: var(--brand-green);
        }

        .mobile-toggle {
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-toggle:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--bg-deep);
            z-index: 998;
            padding: 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
            transition: transform var(--transition-base);
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--brand-green);
            background-color: var(--bg-card);
            border-left-color: var(--brand-green);
        }

        .mobile-drawer a .nav-icon {
            font-size: 10px;
            color: var(--brand-green);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .section {
            padding: var(--section-padding) 0;
            width: 100%;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-tight {
            padding: 32px 0;
        }

        .section-alt {
            background-color: var(--bg-surface);
        }

        .section-dark {
            background-color: var(--bg-dark);
        }

        .section-deep {
            background-color: var(--bg-deep);
        }

        .section-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .text-green {
            color: var(--brand-green);
        }
        .text-gold {
            color: var(--accent-gold);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-secondary {
            color: var(--text-secondary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--brand-green);
            color: var(--text-inverse);
        }
        .btn-primary:hover {
            background-color: var(--brand-green-light);
            box-shadow: 0 0 20px rgba(0, 200, 83, 0.35);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            background-color: var(--brand-green-dark);
            transform: translateY(0);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background-color: rgba(0, 200, 83, 0.05);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(245, 247, 250, 0.3);
        }
        .btn-ghost:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background-color: rgba(0, 200, 83, 0.05);
        }

        .btn-gold {
            background-color: var(--accent-gold);
            color: var(--text-inverse);
        }
        .btn-gold:hover {
            background-color: var(--accent-gold-soft);
            box-shadow: 0 0 20px rgba(255, 179, 0, 0.3);
            transform: translateY(-2px);
        }

        .card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 20px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .badge-green {
            background-color: rgba(0, 200, 83, 0.12);
            color: var(--brand-green);
            border: 1px solid rgba(0, 200, 83, 0.25);
        }

        .badge-gold {
            background-color: rgba(255, 179, 0, 0.12);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 179, 0, 0.25);
        }

        .badge-muted {
            background-color: var(--bg-card-alt);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }

        .hero-football {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .hero-football::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.88) 0%, rgba(11, 15, 20, 0.7) 40%, rgba(11, 15, 20, 0.55) 100%);
            z-index: 1;
        }

        .hero-football .hero-overlay-bottom {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-deep) 0%, transparent 100%);
            z-index: 1;
        }

        .hero-football .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1;
            min-width: 300px;
            max-width: 580px;
        }

        .hero-text h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }

        .hero-text h1 .highlight {
            color: var(--brand-green);
        }

        .hero-text p {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-progress-wrap {
            flex-shrink: 0;
            width: 280px;
            background-color: rgba(11, 15, 20, 0.75);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 24px;
            backdrop-filter: blur(12px);
        }

        .progress-ring {
            position: relative;
            width: 140px;
            height: 140px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: conic-gradient(var(--brand-green) 0deg 266deg, var(--bg-card-alt) 266deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .progress-ring::before {
            content: '';
            position: absolute;
            inset: 12px;
            border-radius: 50%;
            background-color: var(--bg-card);
            z-index: 1;
        }

        .progress-ring .progress-inner {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .progress-ring .progress-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-green);
            font-family: var(--font-mono);
            line-height: 1;
        }

        .progress-ring .progress-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .progress-info {
            text-align: center;
            margin-bottom: 12px;
        }

        .progress-info .progress-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .progress-info .progress-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .tier-preview {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }

        .tier-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .tier-item .tier-name {
            font-weight: 500;
        }
        .tier-item .tier-price {
            font-family: var(--font-mono);
            color: var(--accent-gold);
            font-weight: 600;
        }

        .match-scroll-bar {
            background-color: rgba(0, 0, 0, 0.65);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
            overflow: hidden;
            position: relative;
            z-index: 2;
        }

        .match-scroll-inner {
            display: flex;
            gap: 16px;
            white-space: nowrap;
            animation: scrollMatches 30s linear infinite;
        }

        .match-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            font-size: 13px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .match-chip .match-score {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-gold);
        }

        .match-chip .match-status {
            font-size: 11px;
            color: var(--brand-green);
        }

        @keyframes scrollMatches {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .match-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            flex-wrap: wrap;
        }

        .match-row:hover {
            border-color: var(--border-hover);
            background-color: var(--bg-card-alt);
        }

        .match-league {
            display: flex;
            align-items: center;
            gap: 8px;
            min-width: 100px;
        }

        .match-league .league-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--brand-green);
            flex-shrink: 0;
        }

        .match-league .league-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .match-teams {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 220px;
        }

        .match-teams .team {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .match-teams .vs {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .match-score-box {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            min-width: 56px;
            text-align: center;
            letter-spacing: 2px;
        }

        .match-time {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            min-width: 80px;
            text-align: right;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            transition: background-color var(--transition-fast);
        }

        .news-item:hover {
            background-color: rgba(0, 200, 83, 0.03);
        }

        .news-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--accent-gold);
            margin-bottom: 6px;
            letter-spacing: 1px;
        }

        .news-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .news-link:hover {
            gap: 8px;
            color: var(--brand-green-light);
        }

        .news-link .arrow {
            font-size: 16px;
        }

        .table-responsive {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .standings-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 600px;
        }

        .standings-table th {
            background-color: var(--bg-card-alt);
            color: var(--text-secondary);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 2px solid var(--border-color);
            font-size: 13px;
            white-space: nowrap;
        }

        .standings-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .standings-table tr:hover td {
            background-color: rgba(0, 200, 83, 0.04);
            color: var(--text-primary);
        }

        .standings-table .team-cell {
            font-weight: 600;
            color: var(--text-primary);
        }
        .standings-table .pts {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-gold);
        }

        .deep-article {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .deep-article-img {
            flex: 1;
            min-width: 280px;
            max-width: 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .deep-article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        .deep-article-text {
            flex: 1;
            min-width: 300px;
        }

        .deep-article-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .deep-article-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background-color: var(--bg-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            transition: background-color var(--transition-fast);
        }

        .faq-question:hover {
            background-color: var(--bg-card-alt);
        }

        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--brand-green);
            flex-shrink: 0;
            transition: transform var(--transition-base);
            font-weight: 300;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #0D1A12 50%, var(--bg-dark) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(0, 200, 83, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 24px;
        }

        .site-footer {
            background-color: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .footer-brand h4 .green {
            color: var(--brand-green);
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-links-inline {
            display: flex;
            gap: 16px;
            margin-left: auto;
        }

        .footer-links-inline a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
            font-size: 12px;
        }
        .footer-links-inline a:hover {
            color: var(--brand-green);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .grid-asym {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
        }
        .grid-asym-reverse {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 24px;
        }

        .stat-block {
            text-align: center;
            padding: 20px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
        }

        .stat-block .stat-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-green);
            line-height: 1.2;
        }
        .stat-block .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            padding: 6px 14px;
            font-size: 13px;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .tag:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background-color: rgba(0, 200, 83, 0.05);
        }

        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 1199px) {
            .side-nav {
                width: var(--nav-width-collapsed);
            }
            .side-nav-logo .logo-main,
            .side-nav-logo .logo-sub,
            .side-nav-link span:last-child,
            .side-nav-footer {
                display: none;
            }
            .side-nav-logo {
                padding: 18px 10px;
            }
            .side-nav-logo .logo-main {
                display: none;
            }
            .side-nav-links {
                align-items: center;
                padding: 12px 8px;
            }
            .side-nav-link {
                justify-content: center;
                padding: 12px;
                gap: 0;
            }
            .side-nav-link .nav-icon {
                font-size: 14px;
            }
            .main-content {
                margin-left: var(--nav-width-collapsed);
            }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 991px) {
            .side-nav { display: none; }
            .mobile-header { display: flex; }
            .main-content { margin-left: 0; padding-top: 56px; }
            .hero-football { min-height: 480px; }
            .hero-text h1 { font-size: 32px; }
            .hero-football .container { flex-direction: column; align-items: flex-start; }
            .hero-progress-wrap { width: 100%; max-width: 280px; }
            .grid-2, .grid-3, .grid-4, .grid-asym, .grid-asym-reverse {
                grid-template-columns: 1fr;
            }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .section { padding: 40px 0; }
            .section-title { font-size: 26px; }
            .match-row { flex-wrap: wrap; }
            .match-teams { min-width: 100%; order: 1; }
            .match-league { order: 0; }
            .match-score-box { order: 1; }
            .match-time { order: 2; text-align: left; }
        }

        @media (max-width: 767px) {
            .hero-football { min-height: 400px; padding: 40px 0; }
            .hero-text h1 { font-size: 26px; }
            .hero-text p { font-size: 15px; }
            .section-title { font-size: 22px; }
            .container { padding: 0 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
            .footer-links-inline { margin-left: 0; }
            .match-row { padding: 12px 16px; }
            .match-teams .team { font-size: 13px; }
            .match-score-box { font-size: 15px; min-width: 40px; }
            .deep-article { flex-direction: column; }
            .deep-article-img { max-width: 100%; }
            .stat-block .stat-value { font-size: 24px; }
            .btn { padding: 10px 18px; font-size: 14px; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; }
        }

        @media (max-width: 520px) {
            .hero-text h1 { font-size: 22px; }
            .hero-text p { font-size: 14px; }
            .section-title { font-size: 20px; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .stat-block { padding: 14px; }
            .stat-block .stat-value { font-size: 20px; }
            .match-teams { gap: 8px; }
            .match-teams .team { font-size: 12px; }
            .news-title { font-size: 15px; }
            .faq-question { font-size: 14px; padding: 12px 14px; }
            .faq-answer { font-size: 13px; }
        }

/* roulang page: category5 */
:root {
            --brand-green: #00C853;
            --brand-green-light: #00E676;
            --brand-green-dark: #00963F;
            --bg-deep: #0B0F14;
            --bg-dark: #0A0F16;
            --bg-card: #111722;
            --bg-card-alt: #131C29;
            --bg-surface: #0E1520;
            --text-primary: #F5F7FA;
            --text-secondary: #B0B8C4;
            --text-muted: #6B7280;
            --text-inverse: #0B0F14;
            --border-color: #1E2937;
            --border-hover: #00C853;
            --accent-gold: #FFB300;
            --accent-gold-soft: #F5A623;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 0 1px var(--brand-green), 0 0 20px rgba(0, 200, 83, 0.2);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --nav-width: 240px;
            --nav-width-collapsed: 72px;
            --container-max: 1280px;
            --section-padding: 64px;
            --section-padding-mobile: 40px;
            --transition-fast: 200ms ease-in-out;
            --transition-base: 300ms ease-in-out;
            --transition-slow: 400ms ease-in-out;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        /* Layout */
        .site-layout {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        /* Side Navigation */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--bg-deep);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-green-dark) transparent;
            transition: width var(--transition-slow), transform var(--transition-slow);
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }

        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }

        .side-nav::-webkit-scrollbar-thumb {
            background: var(--brand-green-dark);
            border-radius: var(--radius-full);
        }

        .nav-brand {
            padding: 24px 20px 20px;
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
        }

        .nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }

        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--text-inverse);
            flex-shrink: 0;
        }

        .nav-brand .brand-text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: 20px;
            font-weight: 800;
        }

        .nav-brand .brand-text .green {
            color: var(--brand-green);
        }

        .nav-tagline {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 1px;
            font-weight: 400;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-menu {
            flex: 1;
            padding: 16px 12px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            overflow: hidden;
        }

        .nav-menu a:hover {
            background-color: rgba(0, 200, 83, 0.08);
            color: var(--text-primary);
            border-left-color: var(--brand-green);
        }

        .nav-menu a.active {
            background-color: rgba(0, 200, 83, 0.12);
            color: var(--brand-green);
            border-left-color: var(--brand-green);
            font-weight: 600;
        }

        .nav-menu a .nav-icon {
            font-size: 14px;
            flex-shrink: 0;
            color: var(--brand-green);
        }

        .nav-menu a span:last-child {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            background: var(--bg-card-alt);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: all var(--transition-fast);
        }

        .mobile-nav-toggle:hover {
            border-color: var(--brand-green);
        }

        .mobile-nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .mobile-nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 990;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .nav-overlay.show {
            opacity: 1;
        }

        /* Main content area */
        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-slow);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--brand-green);
            color: var(--text-inverse);
        }

        .btn-primary:hover {
            background: var(--brand-green-light);
            box-shadow: 0 0 0 1px var(--brand-green-light), 0 4px 16px rgba(0, 200, 83, 0.3);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            background: var(--brand-green-dark);
            transform: translateY(0);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(4px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 17px;
            border-radius: var(--radius-md);
        }

        /* Tag / Badge */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            line-height: 1.5;
        }

        .tag-green {
            background: rgba(0, 200, 83, 0.15);
            color: var(--brand-green);
            border: 1px solid rgba(0, 200, 83, 0.3);
        }

        .tag-gold {
            background: rgba(255, 179, 0, 0.12);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 179, 0, 0.3);
        }

        .tag-muted {
            background: var(--bg-card-alt);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
        }

        /* Section base */
        .section {
            padding: var(--section-padding) 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.8;
        }

        /* Hero Score Data */
        .hero-score {
            position: relative;
            padding: 72px 0 56px;
            background: linear-gradient(135deg, #0B0F14 0%, #0E1520 45%, #0A1A12 100%);
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }

        .hero-score::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 200, 83, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-score::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: 30%;
            width: 500px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(255, 179, 0, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-score .container {
            position: relative;
            z-index: 1;
        }

        .hero-score-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-score-content .tag {
            margin-bottom: 16px;
        }

        .hero-score-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .hero-score-content h1 .green {
            color: var(--brand-green);
        }

        .hero-score-content .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-score-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-score-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-soft);
        }

        .hero-score-panel .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: #FF4D4D;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .hero-score-panel .live-badge .dot {
            width: 8px;
            height: 8px;
            background: #FF4D4D;
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }

        .hero-score-panel .match-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            gap: 12px;
        }

        .hero-score-panel .match-item:last-child {
            border-bottom: none;
        }

        .hero-score-panel .match-item .league {
            font-size: 11px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
            min-width: 50px;
        }

        .hero-score-panel .match-item .teams {
            flex: 1;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: center;
        }

        .hero-score-panel .match-item .score {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            min-width: 50px;
            text-align: right;
        }

        .hero-score-panel .match-item .status {
            font-size: 11px;
            color: var(--text-muted);
            min-width: 40px;
            text-align: right;
        }

        .countdown-box {
            margin-top: 16px;
            padding: 16px;
            background: var(--bg-card-alt);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .countdown-box .countdown-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 1px;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .countdown-box .countdown-timer {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-green);
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .countdown-box .subscribe-btn {
            width: 100%;
            padding: 10px;
            border-radius: var(--radius-sm);
            background: var(--brand-green);
            color: var(--text-inverse);
            border: none;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .countdown-box .subscribe-btn:hover {
            background: var(--brand-green-light);
        }

        /* Live score section */
        .live-score-section {
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-color);
        }

        .live-score-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
        }

        .live-score-header .refresh-info {
            font-size: 13px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .score-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .score-tab {
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-card-alt);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .score-tab:hover {
            border-color: var(--brand-green);
            color: var(--text-primary);
        }

        .score-tab.active {
            background: rgba(0, 200, 83, 0.15);
            color: var(--brand-green);
            border-color: var(--brand-green);
            font-weight: 600;
        }

        .score-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
        }

        .score-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .score-table th {
            padding: 14px 16px;
            text-align: left;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 1px;
            border-bottom: 1px solid var(--border-color);
            background: var(--bg-card-alt);
            white-space: nowrap;
        }

        .score-table td {
            padding: 14px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
            white-space: nowrap;
        }

        .score-table tr:last-child td {
            border-bottom: none;
        }

        .score-table tr:hover td {
            background: rgba(0, 200, 83, 0.04);
        }

        .score-table .team-name {
            font-weight: 600;
            color: var(--text-primary);
        }

        .score-table .match-score {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-gold);
        }

        .score-table .match-status {
            font-size: 12px;
            color: var(--text-muted);
        }

        .score-table .match-status.live {
            color: #FF4D4D;
            font-weight: 600;
        }

        /* Data coverage */
        .data-coverage-section {
            background: var(--bg-deep);
        }

        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .coverage-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-base);
        }

        .coverage-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .coverage-card .coverage-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(0, 200, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .coverage-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .coverage-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .coverage-card .data-count {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 800;
            color: var(--brand-green);
        }

        .coverage-card .data-count span {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-muted);
        }

        /* Rankings section */
        .rankings-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .rankings-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .ranking-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
        }

        .ranking-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
        }

        .ranking-panel .panel-header h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .ranking-panel .panel-header .view-all {
            font-size: 13px;
            color: var(--brand-green);
            font-weight: 500;
            cursor: pointer;
        }

        .ranking-list {
            list-style: none;
        }

        .ranking-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(30, 41, 55, 0.5);
            gap: 12px;
            font-size: 14px;
        }

        .ranking-list li:last-child {
            border-bottom: none;
        }

        .ranking-list .rank {
            font-family: var(--font-mono);
            font-size: 15px;
            font-weight: 700;
            color: var(--accent-gold);
            min-width: 28px;
        }

        .ranking-list .rank-name {
            flex: 1;
            font-weight: 500;
            color: var(--text-primary);
        }

        .ranking-list .rank-value {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        /* Timeline section */
        .timeline-section {
            background: var(--bg-deep);
        }

        .timeline {
            position: relative;
            padding-left: 28px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
        }

        .timeline-item {
            position: relative;
            padding: 0 0 28px 16px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 5px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--brand-green);
            border: 3px solid var(--bg-deep);
            box-shadow: 0 0 0 1px var(--brand-green-dark);
        }

        .timeline-item .timeline-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .timeline-item .timeline-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .timeline-item .timeline-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Deep insight section */
        .insight-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .insight-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 36px;
            align-items: center;
        }

        .insight-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .insight-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .insight-image:hover img {
            transform: scale(1.03);
        }

        .insight-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .insight-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .insight-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .insight-content .insight-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            margin-top: 8px;
        }

        /* Comparison table */
        .comparison-section {
            background: var(--bg-deep);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 680px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 14px 18px;
            text-align: center;
            font-size: 14px;
            border-bottom: 1px solid var(--border-color);
            white-space: nowrap;
        }

        .comparison-table th {
            background: var(--bg-card-alt);
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            font-size: 13px;
        }

        .comparison-table th:first-child,
        .comparison-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tr:hover td {
            background: rgba(0, 200, 83, 0.04);
        }

        .comparison-table .highlight-cell {
            color: var(--brand-green);
            font-weight: 700;
            font-family: var(--font-mono);
        }

        .comparison-table .gold-cell {
            color: var(--accent-gold);
            font-weight: 700;
            font-family: var(--font-mono);
        }

        /* Brand intro */
        .brand-intro-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 36px;
            align-items: center;
        }

        .brand-intro-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .brand-intro-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .brand-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            border: 1px solid var(--border-color);
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-deep);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(0, 200, 83, 0.4);
        }

        .faq-item.active {
            border-color: var(--brand-green);
            box-shadow: var(--shadow-glow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--brand-green);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--brand-green);
            transition: transform var(--transition-fast);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0A1A12 0%, #0B0F14 50%, #0E1520 100%);
            border-top: 1px solid rgba(0, 200, 83, 0.3);
            border-bottom: 1px solid rgba(0, 200, 83, 0.2);
            padding: 72px 0;
        }

        .cta-box {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .cta-box h2 .green {
            color: var(--brand-green);
        }

        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-box .cta-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Form */
        .subscribe-form {
            display: flex;
            gap: 8px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: var(--bg-card-alt);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input:focus {
            border-color: var(--brand-green);
            outline: none;
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand h4 .green {
            color: var(--brand-green);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--brand-green);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .footer-bottom .footer-links-inline {
            display: flex;
            gap: 12px;
        }

        .footer-bottom .footer-links-inline a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom .footer-links-inline a:hover {
            color: var(--brand-green);
        }

        /* Responsive */
        @media (max-width: 1199px) {
            :root {
                --nav-width: 72px;
            }
            .side-nav .brand-text,
            .side-nav .nav-tagline,
            .side-nav .nav-menu a span:last-child,
            .side-nav-footer {
                display: none;
            }
            .side-nav .nav-brand a {
                justify-content: center;
            }
            .side-nav .nav-menu a {
                justify-content: center;
                padding: 12px;
            }
            .side-nav .nav-menu a .nav-icon {
                font-size: 16px;
            }
            .main-content {
                margin-left: var(--nav-width);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 991px) {
            :root {
                --nav-width: 0px;
            }
            .side-nav {
                transform: translateX(-100%);
                width: 260px;
            }
            .side-nav.open {
                transform: translateX(0);
                width: 260px;
            }
            .side-nav .brand-text,
            .side-nav .nav-tagline,
            .side-nav .nav-menu a span:last-child,
            .side-nav-footer {
                display: block;
            }
            .side-nav .nav-brand a {
                justify-content: flex-start;
            }
            .side-nav .nav-menu a {
                justify-content: flex-start;
                padding: 12px 14px;
            }
            .side-nav .nav-menu a .nav-icon {
                font-size: 14px;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .nav-overlay {
                display: block;
                pointer-events: none;
            }
            .nav-overlay.show {
                pointer-events: all;
            }
            .hero-score-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .rankings-grid {
                grid-template-columns: 1fr;
            }
            .hero-score-content h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .section {
                padding: var(--section-padding-mobile) 0;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            .hero-score {
                padding: 48px 0 40px;
            }
            .hero-score-content h1 {
                font-size: 26px;
            }
            .hero-score-content .hero-desc {
                font-size: 15px;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .score-tabs {
                gap: 6px;
            }
            .score-tab {
                padding: 6px 12px;
                font-size: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 519px) {
            .hero-score-content h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .insight-content h2 {
                font-size: 20px;
            }
            .brand-intro-text h2 {
                font-size: 20px;
            }
            .hero-score-panel {
                padding: 20px 16px;
            }
            .hero-score-panel .match-item .teams {
                font-size: 12px;
            }
            .hero-score-panel .match-item .score {
                font-size: 15px;
            }
        }

/* roulang page: category4 */
:root {
            --brand-green: #00C853;
            --brand-green-light: #00E676;
            --brand-green-dark: #00963F;
            --bg-deep: #0B0F14;
            --bg-dark: #0A0F16;
            --bg-card: #111722;
            --bg-card-alt: #131C29;
            --bg-surface: #0E1520;
            --text-primary: #F5F7FA;
            --text-secondary: #B0B8C4;
            --text-muted: #6B7280;
            --text-inverse: #0B0F14;
            --border-color: #1E2937;
            --border-hover: #00C853;
            --accent-gold: #FFB300;
            --accent-gold-soft: #F5A623;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 0 1px var(--brand-green), 0 0 20px rgba(0, 200, 83, 0.2);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --nav-width: 240px;
            --nav-width-collapsed: 72px;
            --container-max: 1280px;
            --section-padding: 64px;
            --section-padding-mobile: 40px;
            --transition-fast: 200ms ease-in-out;
            --transition-base: 300ms ease-in-out;
            --transition-slow: 400ms ease-in-out;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .site-layout {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--bg-deep);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-green-dark) transparent;
            transition: width var(--transition-slow);
        }
        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: var(--brand-green-dark);
            border-radius: var(--radius-full);
        }
        .nav-brand {
            padding: 24px 20px 20px;
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
        }
        .nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }
        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--text-inverse);
            flex-shrink: 0;
        }
        .nav-brand .brand-text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: 20px;
            font-weight: 800;
        }
        .nav-brand .brand-text .green {
            color: var(--brand-green);
        }
        .nav-tagline {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 1px;
            font-weight: 400;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .nav-menu {
            flex: 1;
            padding: 16px 12px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            position: relative;
        }
        .nav-menu a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
            border-left-color: var(--brand-green);
        }
        .nav-menu a.active {
            color: var(--brand-green);
            background: var(--bg-card);
            border-left-color: var(--brand-green);
            font-weight: 600;
        }
        .nav-menu a .nav-icon {
            font-size: 10px;
            color: currentColor;
            flex-shrink: 0;
        }
        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .content-wrap {
            flex: 1;
            margin-left: var(--nav-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-slow);
        }
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-color);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-topbar .logo-sm {
            font-weight: 800;
            font-size: 18px;
            color: var(--text-primary);
        }
        .mobile-topbar .logo-sm .green {
            color: var(--brand-green);
        }
        .mobile-topbar .hamburger {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 26px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-topbar .hamburger:hover {
            background: var(--bg-card);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 15, 20, 0.98);
            z-index: 998;
            flex-direction: column;
            padding: 20px 16px;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-menu-overlay.open {
            display: flex;
        }
        .mobile-menu-overlay a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
        }
        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a.active {
            color: var(--brand-green);
            background: var(--bg-card);
            border-left-color: var(--brand-green);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }
        .main-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hero-tennis {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-tennis::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.88) 0%, rgba(11, 15, 20, 0.62) 55%, rgba(11, 15, 20, 0.78) 100%);
            z-index: 1;
        }
        .hero-tennis::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 200, 83, 0.15) 0%, transparent 65%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-tennis .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-tennis-inner {
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 200, 83, 0.15);
            border: 1px solid rgba(0, 200, 83, 0.35);
            color: var(--brand-green);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-tennis h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.5px;
            margin: 0 0 16px;
        }
        .hero-tennis h1 .green {
            color: var(--brand-green);
        }
        .hero-tennis .hero-sub {
            font-size: 19px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 28px;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--brand-green);
            color: var(--text-inverse);
        }
        .btn-primary:hover {
            background: var(--brand-green-light);
            box-shadow: 0 0 20px rgba(0, 200, 83, 0.3);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            background: var(--brand-green-dark);
            transform: translateY(0);
        }
        .btn-secondary {
            background: transparent;
            border-color: var(--border-color);
            color: var(--text-primary);
        }
        .btn-secondary:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background: rgba(0, 200, 83, 0.05);
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust .dot {
            width: 5px;
            height: 5px;
            background: var(--brand-green);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .section {
            padding: var(--section-padding) 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-tight {
            padding: 32px 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-surface {
            background: var(--bg-surface);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin: 0;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered p {
            margin-left: auto;
            margin-right: auto;
        }
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .coverage-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .coverage-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .coverage-card .cov-icon {
            font-size: 36px;
            margin-bottom: 12px;
            display: block;
        }
        .coverage-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
        }
        .coverage-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .coverage-card .cov-stat {
            display: inline-block;
            margin-top: 12px;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-gold);
        }
        .timeline-section {
            background: var(--bg-dark);
        }
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border-color);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 36px;
            padding-left: 24px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--brand-green);
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.2);
        }
        .timeline-item .timeline-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-gold);
            font-weight: 600;
            letter-spacing: 0.5px;
            display: block;
            margin-bottom: 4px;
        }
        .timeline-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 6px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
            max-width: 640px;
        }
        .match-focus {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .match-focus .match-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-color);
            aspect-ratio: 16/10;
        }
        .match-focus .match-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .match-focus .match-info h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
        }
        .match-focus .match-info p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 20px;
        }
        .match-score-board {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 20px;
        }
        .match-score-board .player {
            font-weight: 700;
            font-size: 16px;
        }
        .match-score-board .score {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 1px;
        }
        .match-score-board .set-score {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }
        .deep-article {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 36px;
            align-items: start;
        }
        .deep-article .article-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-color);
            aspect-ratio: 16/11;
        }
        .deep-article .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .deep-article .article-body h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 16px;
        }
        .deep-article .article-body p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: grid;
            grid-template-columns: 120px 1fr auto;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: start;
            transition: background var(--transition-fast);
        }
        .news-item:first-child {
            border-top: 1px solid var(--border-color);
        }
        .news-item:hover {
            background: rgba(0, 200, 83, 0.03);
            padding-left: 8px;
            padding-right: 8px;
            border-radius: var(--radius-sm);
        }
        .news-item .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-gold);
            font-weight: 600;
            padding-top: 2px;
        }
        .news-item .news-content h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 6px;
            line-height: 1.45;
        }
        .news-item .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .news-item .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            white-space: nowrap;
            padding-top: 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .read-more:hover {
            color: var(--brand-green-light);
            gap: 8px;
        }
        .ranking-section {
            background: var(--bg-surface);
        }
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .ranking-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .ranking-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ranking-card h3 .rank-icon {
            color: var(--accent-gold);
        }
        .ranking-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .ranking-row:last-child {
            border-bottom: none;
        }
        .ranking-row .rank-num {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            width: 32px;
            color: var(--accent-gold);
            flex-shrink: 0;
        }
        .ranking-row .rank-name {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
        }
        .ranking-row .rank-points {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(0, 200, 83, 0.35);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 18px;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #0D1A12 55%, #0E1A10 100%);
            border-top: 1px solid rgba(0, 200, 83, 0.2);
            border-bottom: 1px solid rgba(0, 200, 83, 0.2);
            padding: 72px 0;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-inner h2 {
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 10px;
        }
        .cta-inner h2 .green {
            color: var(--brand-green);
        }
        .cta-inner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 480px;
            line-height: 1.6;
        }
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            font-size: 20px;
            font-weight: 800;
            margin: 0 0 10px;
        }
        .footer-brand h4 .green {
            color: var(--brand-green);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            padding: 4px 0;
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-links-inline {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-links-inline a {
            color: var(--text-muted);
        }
        .footer-links-inline a:hover {
            color: var(--brand-green);
        }
        @media (max-width: 1199px) {
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 991px) {
            .side-nav {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .content-wrap {
                margin-left: 0;
                padding-top: 56px;
            }
            .hero-tennis {
                min-height: 480px;
            }
            .hero-tennis h1 {
                font-size: 34px;
            }
            .match-focus {
                grid-template-columns: 1fr;
            }
            .deep-article {
                grid-template-columns: 1fr;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 48px 0;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            .hero-tennis {
                min-height: 420px;
            }
            .hero-tennis h1 {
                font-size: 28px;
            }
            .hero-tennis .hero-sub {
                font-size: 16px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-trust {
                flex-direction: column;
                gap: 8px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .news-item .news-date {
                font-size: 12px;
            }
            .news-item .read-more {
                padding-top: 0;
            }
            .match-score-board {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .hero-tennis {
                min-height: 380px;
            }
            .hero-tennis h1 {
                font-size: 24px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 21px;
            }
            .btn {
                padding: 11px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category6 */
:root {
            --brand-green: #00C853;
            --brand-green-light: #00E676;
            --brand-green-dark: #00963F;
            --bg-deep: #0B0F14;
            --bg-dark: #0A0F16;
            --bg-card: #111722;
            --bg-card-alt: #131C29;
            --bg-surface: #0E1520;
            --text-primary: #F5F7FA;
            --text-secondary: #B0B8C4;
            --text-muted: #6B7280;
            --text-inverse: #0B0F14;
            --border-color: #1E2937;
            --border-hover: #00C853;
            --accent-gold: #FFB300;
            --accent-gold-soft: #F5A623;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 0 1px var(--brand-green), 0 0 20px rgba(0, 200, 83, 0.2);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --nav-width: 240px;
            --nav-width-collapsed: 72px;
            --container-max: 1280px;
            --section-padding: 64px;
            --section-padding-mobile: 40px;
            --transition-fast: 200ms ease-in-out;
            --transition-base: 300ms ease-in-out;
            --transition-slow: 400ms ease-in-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-layout {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        /* ===== Side Navigation ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--bg-deep);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-green-dark) transparent;
            transition: width var(--transition-slow);
            flex-shrink: 0;
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: var(--brand-green-dark);
            border-radius: var(--radius-full);
        }

        .side-nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 18px 14px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-color);
            flex-shrink: 0;
        }

        .logo-main {
            font-size: 20px;
            font-weight: 800;
            white-space: nowrap;
            color: var(--text-primary);
        }
        .logo-main .green {
            color: var(--brand-green);
        }
        .logo-sub {
            display: block;
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            font-weight: 400;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .side-nav-links {
            list-style: none;
            padding: 16px 12px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
            border-left: 3px solid transparent;
            position: relative;
        }

        .side-nav-link:hover {
            color: var(--text-primary);
            background-color: rgba(0, 200, 83, 0.06);
            border-left-color: var(--brand-green);
        }

        .side-nav-link.active {
            color: var(--brand-green);
            background-color: rgba(0, 200, 83, 0.08);
            border-left-color: var(--brand-green);
            font-weight: 600;
        }

        .nav-icon {
            font-size: 14px;
            color: var(--brand-green);
            flex-shrink: 0;
            line-height: 1;
        }

        .side-nav-footer {
            padding: 16px 20px;
            font-size: 11px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            flex-shrink: 0;
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background-color: var(--bg-deep);
            border-bottom: 1px solid var(--border-color);
            z-index: 1001;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-header .logo-main {
            font-size: 18px;
        }
        .mobile-header .logo-sub {
            display: none;
        }

        .hamburger-btn {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 24px;
            cursor: pointer;
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }
        .hamburger-btn:hover {
            color: var(--brand-green);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 999;
        }
        .mobile-nav-overlay.open {
            display: block;
        }

        .mobile-nav-menu {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            background-color: var(--bg-deep);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            padding: 12px 16px 20px;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - 56px);
            overflow-y: auto;
        }
        .mobile-nav-menu.open {
            display: flex;
        }
        .mobile-nav-menu .side-nav-link {
            font-size: 16px;
            padding: 14px 16px;
        }
        .mobile-nav-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== Main Content ===== */
        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-width: 0;
            transition: margin-left var(--transition-slow);
        }

        /* ===== Hero Bento ===== */
        .hero-bento {
            position: relative;
            padding: 48px 0 56px;
            background-color: var(--bg-dark);
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: stretch;
        }

        .hero-bento::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.35) 50%, rgba(0, 200, 83, 0.12) 100%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-bento-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .hero-bento-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            align-content: center;
            flex: 1;
        }

        .hero-main-block {
            grid-row: 1 / span 2;
            background: rgba(11, 15, 20, 0.72);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(30, 41, 55, 0.8);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 360px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 200, 83, 0.12);
            border: 1px solid rgba(0, 200, 83, 0.35);
            color: var(--brand-green-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            width: fit-content;
            margin-bottom: 16px;
        }

        .hero-main-block h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .hero-main-block h1 .green {
            color: var(--brand-green);
        }

        .hero-main-block .hero-sub {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 560px;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand-green);
            color: var(--text-inverse);
        }
        .btn-primary:hover {
            background: var(--brand-green-light);
            box-shadow: 0 0 0 1px var(--brand-green), 0 0 18px rgba(0, 200, 83, 0.25);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            background: var(--brand-green-dark);
            transform: translateY(0);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(245, 247, 250, 0.3);
            color: var(--text-primary);
        }
        .btn-ghost:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background: rgba(0, 200, 83, 0.06);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
        }
        .btn-outline:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        .hero-feature-card {
            background: rgba(17, 23, 34, 0.8);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(30, 41, 55, 0.7);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        .hero-feature-card:hover {
            border-color: var(--brand-green);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .hero-feature-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(0, 200, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-green);
            flex-shrink: 0;
        }

        .hero-feature-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .hero-feature-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .hero-cta-strip {
            grid-column: 1 / span 2;
            background: linear-gradient(90deg, rgba(0, 200, 83, 0.15) 0%, rgba(0, 200, 83, 0.05) 60%, transparent 100%);
            border: 1px solid rgba(0, 200, 83, 0.25);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-cta-strip .strip-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .hero-cta-strip .strip-highlight {
            color: var(--brand-green);
            font-weight: 700;
        }

        /* ===== Section Common ===== */
        section {
            padding: var(--section-padding) 0;
        }

        .section-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 28px;
        }

        .section-alt {
            background-color: var(--bg-card);
        }
        .section-deep {
            background-color: var(--bg-dark);
        }

        /* ===== Pain Point Section ===== */
        .pain-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .pain-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .pain-list li {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: border-color var(--transition-fast);
        }
        .pain-list li:hover {
            border-color: var(--border-hover);
        }
        .pain-list li .pain-icon {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .pain-visual {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            overflow: hidden;
            position: relative;
        }
        .pain-visual img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            opacity: 0.7;
        }
        .pain-visual .overlay-label {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(4px);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            font-size: 14px;
            color: var(--text-primary);
            border: 1px solid rgba(0, 200, 83, 0.25);
        }
        .pain-visual .overlay-label strong {
            color: var(--brand-green);
            font-weight: 700;
        }

        /* ===== Solutions Non-Symmetric Grid ===== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .solution-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            min-height: 140px;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
        }
        .solution-item:hover {
            border-color: var(--brand-green);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .solution-item.item-wide {
            grid-column: span 2;
        }
        .solution-item.item-tall {
            grid-row: span 2;
        }
        .solution-item .sol-icon {
            font-size: 26px;
            color: var(--brand-green);
            margin-bottom: 10px;
        }
        .solution-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .solution-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Comparison Table ===== */
        .table-wrap {
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            background: var(--bg-card);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }
        .comparison-table th {
            text-align: left;
            padding: 18px 20px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-secondary);
            background: var(--bg-card-alt);
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table th.highlight-col {
            color: var(--brand-green);
            background: rgba(0, 200, 83, 0.08);
            font-size: 15px;
        }
        .comparison-table td {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
            line-height: 1.6;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table td.highlight-col {
            background: rgba(0, 200, 83, 0.04);
            color: var(--text-primary);
        }
        .check-mark {
            color: var(--brand-green);
            font-weight: 700;
            font-size: 16px;
        }
        .cross-mark {
            color: var(--text-muted);
            font-weight: 400;
        }
        .dash-mark {
            color: var(--accent-gold);
        }

        /* ===== Deep Content Section ===== */
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .deep-content-grid img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .deep-content-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .deep-content-text .highlight-line {
            border-left: 3px solid var(--brand-green);
            padding-left: 16px;
            font-size: 16px;
            color: var(--text-primary);
            font-weight: 500;
            margin: 18px 0;
        }

        /* ===== Stats Section ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .stat-card:hover {
            border-color: var(--brand-green);
            box-shadow: var(--shadow-glow);
        }
        .stat-number {
            font-family: var(--font-mono);
            font-size: 42px;
            font-weight: 800;
            color: var(--brand-green);
            margin-bottom: 8px;
            line-height: 1.2;
        }
        .stat-number .unit {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== Testimonials ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        .testimonial-card:hover {
            border-color: var(--brand-green);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-mark {
            font-size: 32px;
            color: var(--brand-green);
            line-height: 1;
            margin-bottom: 12px;
            font-weight: 800;
        }
        .testimonial-card blockquote {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            font-style: normal;
        }
        .testimonial-card .author {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .testimonial-card .author-role {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item.active {
            border-color: var(--brand-green);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--brand-green);
        }
        .faq-icon {
            font-size: 18px;
            color: var(--brand-green);
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 240px;
            padding: 0 22px 20px;
        }

        /* ===== CTA Section ===== */
        .cta-band {
            background: linear-gradient(135deg, rgba(0, 200, 83, 0.2) 0%, rgba(0, 200, 83, 0.06) 50%, rgba(11, 15, 20, 0.4) 100%);
            border: 1px solid rgba(0, 200, 83, 0.3);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .cta-band p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 26px;
            line-height: 1.8;
        }
        .cta-band .cta-btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Brand Intro Section ===== */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .brand-intro-grid img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .brand-intro-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .brand-intro-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-left: var(--nav-width);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h4 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand h4 .green {
            color: var(--brand-green);
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .footer-links-inline {
            display: flex;
            gap: 16px;
            font-size: 12px;
        }
        .footer-links-inline a {
            color: var(--text-muted);
        }
        .footer-links-inline a:hover {
            color: var(--brand-green);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .side-nav {
                width: var(--nav-width-collapsed);
            }
            .side-nav .logo-main,
            .side-nav .logo-sub,
            .side-nav .side-nav-footer {
                display: none;
            }
            .side-nav-logo {
                justify-content: center;
                padding: 20px 8px 14px;
            }
            .side-nav-logo .logo-main {
                display: none;
            }
            .side-nav-logo::after {
                content: '爱';
                font-size: 20px;
                font-weight: 800;
                color: var(--brand-green);
            }
            .side-nav-link span:not(.nav-icon) {
                display: none;
            }
            .side-nav-link {
                justify-content: center;
                padding: 14px 10px;
            }
            .side-nav-links {
                padding: 12px 8px;
            }
            .main-content {
                margin-left: var(--nav-width-collapsed);
            }
            .site-footer {
                margin-left: var(--nav-width-collapsed);
            }
            .solution-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .solution-item.item-wide {
                grid-column: span 1;
            }
            .solution-item.item-tall {
                grid-row: span 1;
            }
        }

        @media (max-width: 991px) {
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .site-footer {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: 56px;
            }
            .hero-bento-inner {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .hero-main-block {
                grid-row: auto;
                min-height: 260px;
                padding: 28px 24px;
            }
            .hero-main-block h1 {
                font-size: 30px;
            }
            .hero-cta-strip {
                grid-column: auto;
            }
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .pain-visual img {
                height: 220px;
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content-grid img {
                height: 240px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-intro-grid img {
                height: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            section {
                padding: var(--section-padding-mobile) 0;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .hero-bento {
                min-height: auto;
                padding: 24px 0 32px;
            }
            .hero-bento-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .hero-main-block {
                padding: 22px 18px;
                min-height: auto;
            }
            .hero-main-block h1 {
                font-size: 24px;
                line-height: 1.35;
            }
            .hero-main-block .hero-sub {
                font-size: 15px;
            }
            .hero-feature-card {
                padding: 14px 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .solution-item {
                min-height: auto;
                padding: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 30px;
            }
            .stat-card {
                padding: 22px 14px;
            }
            .cta-band {
                padding: 32px 20px;
            }
            .cta-band h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                font-size: 11px;
            }
            .btn {
                padding: 10px 16px;
                font-size: 14px;
            }
            .hero-cta-strip {
                flex-direction: column;
                align-items: flex-start;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 12px 14px;
                font-size: 13px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .hero-bento-inner {
                padding: 0 12px;
            }
            .hero-main-block h1 {
                font-size: 21px;
            }
            .hero-cta-row {
                flex-direction: column;
                width: 100%;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .cta-band h2 {
                font-size: 19px;
            }
            .footer-links-inline {
                flex-wrap: wrap;
                gap: 10px;
            }
        }