/* roulang page: index */
:root {
            --color-dark: #0a0f1a;
            --color-darker: #060b14;
            --color-card: #1a1f2e;
            --color-card-hover: #1e2535;
            --color-accent: #00e676;
            --color-accent-hover: #00c960;
            --color-orange: #ff4d00;
            --color-orange-hover: #e04400;
            --color-text: #ffffff;
            --color-text-secondary: #b0b8c1;
            --color-text-muted: #6b7280;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.5);
            --radius-card: 8px;
            --radius-btn: 6px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::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: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--color-dark);
            color: var(--color-text);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-darker);
            box-shadow: var(--shadow-nav);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            border-bottom: 1px solid var(--color-border);
        }
        .brand-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0a0f1a;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .icon-btn {
            background: none;
            border: none;
            color: var(--color-text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .brand-actions .icon-btn:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
        }
        .channel-row {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }
        .channel-tag:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--color-border);
        }
        .channel-tag.active {
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--color-accent);
            font-weight: 700;
        }
        @media (max-width: 768px) {
            .brand-row {
                height: 52px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.9rem;
            }
            .channel-row {
                height: 44px;
                padding: 0 12px;
                gap: 2px;
            }
            .channel-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(10, 15, 26, 0.85) 0%, rgba(10, 15, 26, 0.6) 40%, rgba(10, 15, 26, 0.75) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 230, 118, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(255, 77, 0, 0.06) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 60px 24px;
            width: 100%;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--color-text-secondary);
            backdrop-filter: blur(4px);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .hero-badge:hover {
            background: rgba(0, 230, 118, 0.15);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .hero-badge.hot {
            background: rgba(255, 77, 0, 0.2);
            border-color: var(--color-orange);
            color: var(--color-orange);
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.15;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            max-width: 700px;
        }
        .hero-title .accent {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--color-accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 230, 118, 0.35);
            color: #0a0f1a;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: var(--color-text);
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.25);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.06);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
                max-width: 100%;
            }
            .hero-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
            }
            .hero-content {
                padding: 40px 16px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
                margin-bottom: 24px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 20px;
                margin-top: 24px;
            }
            .hero-stat .stat-num {
                font-size: 1.5rem;
            }
            .hero-badge-row {
                gap: 6px;
                margin-bottom: 20px;
            }
            .hero-badge {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
        }

        /* Section Common */
        .section {
            padding: 64px 0;
        }
        .section-dark {
            background: var(--color-darker);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 40px;
            max-width: 600px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* Ladder Section */
        .ladder-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
        }
        .ladder-step {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            position: relative;
            transition: all var(--transition-fast);
        }
        .ladder-step:hover {
            border-color: var(--color-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .ladder-step .step-num {
            font-size: 3rem;
            font-weight: 900;
            color: var(--color-accent);
            opacity: 0.4;
            line-height: 1;
            margin-bottom: 8px;
        }
        .ladder-step .step-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .ladder-step .step-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        .ladder-arrow {
            position: absolute;
            right: -12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-accent);
            font-size: 1.5rem;
            z-index: 2;
            pointer-events: none;
            display: none;
        }
        @media (min-width: 1025px) {
            .ladder-step {
                position: relative;
            }
            .ladder-step:not(:last-child)::after {
                content: '→';
                position: absolute;
                right: -22px;
                top: 50%;
                transform: translateY(-50%);
                color: var(--color-accent);
                font-size: 1.6rem;
                font-weight: 700;
                z-index: 3;
                pointer-events: none;
            }
        }
        @media (max-width: 1024px) {
            .ladder-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ladder-step:not(:last-child)::after {
                display: none;
            }
        }
        @media (max-width: 576px) {
            .ladder-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Pricing Table */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--color-card);
            border: 2px solid var(--color-border);
            border-radius: 12px;
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-fast);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            border-color: var(--color-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .pricing-card.featured {
            border-color: var(--color-accent);
            background: linear-gradient(180deg, rgba(0, 230, 118, 0.06) 0%, var(--color-card) 30%);
            transform: scale(1.03);
            z-index: 2;
            box-shadow: 0 8px 36px rgba(0, 230, 118, 0.15);
        }
        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .pricing-badge {
            display: inline-block;
            padding: 4px 14px;
            background: var(--color-accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.75rem;
            border-radius: 12px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .pricing-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .pricing-price {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .pricing-price .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-secondary);
        }
        .pricing-period {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        .pricing-features {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
            flex-grow: 1;
        }
        .pricing-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-features li::before {
            content: '✓';
            color: var(--color-accent);
            font-weight: 700;
            flex-shrink: 0;
        }
        .btn-pricing {
            display: block;
            width: 100%;
            padding: 13px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
        }
        .btn-pricing.primary {
            background: var(--color-accent);
            color: #0a0f1a;
        }
        .btn-pricing.primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 18px rgba(0, 230, 118, 0.35);
        }
        .btn-pricing.secondary {
            background: transparent;
            color: var(--color-text);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }
        .btn-pricing.secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.05);
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                transform: none;
            }
            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }
        }

        /* Value Props - Alternating */
        .value-alt-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 48px;
        }
        .value-alt-row:last-child {
            margin-bottom: 0;
        }
        .value-alt-row.reverse {
            direction: rtl;
        }
        .value-alt-row.reverse .value-alt-text {
            direction: ltr;
        }
        .value-alt-text .val-num {
            font-size: 5rem;
            font-weight: 900;
            color: var(--color-accent);
            opacity: 0.25;
            line-height: 1;
            margin-bottom: -10px;
        }
        .value-alt-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .value-alt-text p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        .value-alt-visual {
            background: var(--color-card);
            border-radius: 12px;
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
        }
        .value-alt-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .value-alt-row {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 32px;
            }
            .value-alt-row.reverse {
                direction: ltr;
            }
            .value-alt-visual {
                min-height: 180px;
                order: -1;
            }
            .value-alt-text .val-num {
                font-size: 3.5rem;
            }
            .value-alt-text h3 {
                font-size: 1.25rem;
            }
        }

        /* Scene Demo Full Width */
        .scene-full {
            background: linear-gradient(180deg, var(--color-darker) 0%, #0d1420 100%);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--color-border);
        }
        .scene-full-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            min-height: 380px;
        }
        .scene-full-visual {
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            min-height: 300px;
        }
        .scene-full-visual .live-dot {
            position: absolute;
            top: 16px;
            left: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 0, 0, 0.7);
            padding: 6px 12px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 700;
            color: #ff4444;
        }
        .scene-full-visual .live-dot::before {
            content: '';
            width: 8px;
            height: 8px;
            background: #ff4444;
            border-radius: 50%;
            animation: pulse-dot 1.2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.5);
            }
        }
        .scene-full-info {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scene-full-info h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .scene-full-info p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }
        .scene-match-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .scene-match-tag {
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border);
            border-radius: 14px;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .scene-full-inner {
                grid-template-columns: 1fr;
                min-height: auto;
            }
            .scene-full-visual {
                min-height: 200px;
            }
            .scene-full-info {
                padding: 24px 16px;
            }
        }

        /* Security Section */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .security-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .security-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .security-icon {
            font-size: 2.5rem;
            margin-bottom: 12px;
            display: block;
        }
        .security-card h4 {
            font-weight: 700;
            color: var(--color-text);
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .security-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Guarantee Bar */
        .guarantee-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: center;
            padding: 28px 24px;
            background: var(--color-card);
            border-radius: 12px;
            border: 1px solid var(--color-border);
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--color-text);
            font-size: 0.95rem;
        }
        .guarantee-item .g-icon {
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        @media (max-width: 576px) {
            .guarantee-bar {
                flex-direction: column;
                gap: 14px;
                align-items: flex-start;
            }
        }

        /* News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-item .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 4px;
            font-weight: 500;
        }
        .news-item .news-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-item:hover .news-title {
            color: var(--color-accent);
        }
        .news-item .news-summary {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-item .news-link {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .news-item .news-link:hover {
            gap: 8px;
            color: var(--color-accent-hover);
        }
        .news-sidebar {
            background: var(--color-card);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--color-border);
            height: fit-content;
            position: sticky;
            top: 140px;
        }
        .news-sidebar h4 {
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            font-size: 1.05rem;
        }
        .news-sidebar .hot-list {
            list-style: none;
        }
        .news-sidebar .hot-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-sidebar .hot-list li:hover {
            color: var(--color-accent);
        }
        .news-sidebar .hot-list li:last-child {
            border-bottom: none;
        }
        .news-sidebar .hot-rank {
            display: inline-block;
            width: 22px;
            height: 22px;
            background: var(--color-accent);
            color: #0a0f1a;
            border-radius: 4px;
            text-align: center;
            font-weight: 700;
            font-size: 0.75rem;
            line-height: 22px;
            margin-right: 8px;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
                order: -1;
            }
        }

        /* Campaign Zone */
        .campaign-zone {
            background: linear-gradient(135deg, rgba(255, 77, 0, 0.12) 0%, rgba(10, 15, 26, 0.9) 50%, rgba(0, 230, 118, 0.08) 100%);
            border-radius: 16px;
            padding: 40px 36px;
            border: 1px solid rgba(255, 77, 0, 0.2);
            position: relative;
            overflow: hidden;
        }
        .campaign-zone::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 77, 0, 0.3) 0%, transparent 70%);
            pointer-events: none;
        }
        .campaign-zone h3 {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--color-text);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .campaign-zone .campaign-subtitle {
            color: var(--color-orange);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 1px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .campaign-zone p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 500px;
            position: relative;
            z-index: 1;
            margin-bottom: 20px;
        }
        .campaign-zone .btn-primary {
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .campaign-zone {
                padding: 28px 20px;
                border-radius: 12px;
            }
            .campaign-zone h3 {
                font-size: 1.3rem;
            }
        }

        /* Entry Matrix */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .entry-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .entry-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .entry-card .entry-icon {
            font-size: 2.8rem;
        }
        .entry-card .entry-label {
            font-weight: 700;
            color: var(--color-text);
            font-size: 1.05rem;
        }
        .entry-card .entry-hint {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .entry-card {
                padding: 20px 14px;
            }
            .entry-card .entry-icon {
                font-size: 2rem;
            }
        }
        @media (max-width: 400px) {
            .entry-matrix {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* Brand Intro */
        .brand-intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .brand-intro-text p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }
        .brand-intro-visual {
            background: var(--color-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--color-border);
            min-height: 280px;
        }
        .brand-intro-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-intro-visual {
                min-height: 200px;
                order: -1;
            }
        }

        /* Social Proof */
        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .social-proof-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 24px 16px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .social-proof-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
        }
        .social-proof-card .sp-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
        }
        .social-proof-card .sp-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: center;
            margin-top: 28px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.02);
            border-radius: 10px;
        }
        .partner-placeholder {
            width: 80px;
            height: 40px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--color-text-muted);
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .social-proof-card .sp-num {
                font-size: 1.8rem;
            }
        }

        /* Limited Entry */
        .limited-entry {
            background: linear-gradient(135deg, #1a0a00 0%, #0a0f1a 50%, #001a0d 100%);
            border-radius: 16px;
            padding: 36px 32px;
            text-align: center;
            border: 1px solid rgba(255, 77, 0, 0.25);
            position: relative;
            overflow: hidden;
        }
        .limited-entry::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(255, 77, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .limited-entry h3 {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--color-text);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .limited-entry p {
            color: var(--color-text-secondary);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .limited-entry .btn-primary {
            position: relative;
            z-index: 1;
            background: var(--color-orange);
        }
        .limited-entry .btn-primary:hover {
            background: var(--color-orange-hover);
            box-shadow: 0 6px 24px rgba(255, 77, 0, 0.4);
        }
        @media (max-width: 768px) {
            .limited-entry {
                padding: 28px 20px;
                border-radius: 12px;
            }
            .limited-entry h3 {
                font-size: 1.3rem;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            background: none;
            border: none;
            color: var(--color-text);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 1.2rem;
            color: var(--color-text-muted);
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* Sticky Bottom Bar */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(10, 15, 26, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .sticky-bottom-bar .sticky-text {
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.95rem;
        }
        .sticky-bottom-bar .sticky-highlight {
            color: var(--color-accent);
            font-weight: 900;
        }
        .sticky-bottom-bar .btn-primary {
            padding: 10px 22px;
            font-size: 0.9rem;
        }
        @media (max-width: 576px) {
            .sticky-bottom-bar {
                padding: 10px 14px;
                gap: 12px;
                flex-direction: column;
                text-align: center;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.85rem;
            }
            .sticky-bottom-bar .btn-primary {
                width: 100%;
                justify-content: center;
                padding: 12px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-darker);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-bottom: 70px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: block;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .sep {
            color: var(--color-border);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .site-footer {
                margin-bottom: 90px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Utility */
        .text-accent {
            color: var(--color-accent);
        }
        .text-orange {
            color: var(--color-orange);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        body {
            padding-bottom: 0;
        }

/* roulang page: category2 */
:root {
            --color-dark: #0a0f1a;
            --color-darker: #060b14;
            --color-card: #1a1f2e;
            --color-card-hover: #1e2535;
            --color-accent: #00e676;
            --color-accent-hover: #00c960;
            --color-orange: #ff4d00;
            --color-orange-hover: #e04400;
            --color-text: #ffffff;
            --color-text-secondary: #b0b8c1;
            --color-text-muted: #6b7280;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.5);
            --radius-card: 8px;
            --radius-btn: 6px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--color-dark);
            color: var(--color-text);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-darker);
            box-shadow: var(--shadow-nav);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            border-bottom: 1px solid var(--color-border);
        }

        .brand-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0a0f1a;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-actions .icon-btn {
            background: none;
            border: none;
            color: var(--color-text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-actions .icon-btn:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
        }

        .channel-row {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }

        .channel-tag:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--color-border);
        }

        .channel-tag.active {
            color: var(--color-orange);
            background: rgba(255, 77, 0, 0.12);
            border-color: var(--color-orange);
            font-weight: 700;
        }

        /* Hero Section */
        .hero-category {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-darker);
            overflow: hidden;
            padding: 60px 24px;
        }

        .hero-category-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.35;
        }

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

        .hero-category-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(6, 11, 20, 0.6) 0%, rgba(6, 11, 20, 0.9) 60%, var(--color-darker) 100%);
        }

        .hero-category-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            width: 100%;
        }

        .hero-category-content h1 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: 1px;
        }

        .hero-category-content .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            margin: 0 0 28px;
            line-height: 1.6;
        }

        .hero-search-wrap {
            display: flex;
            align-items: center;
            max-width: 520px;
            margin: 0 auto 28px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 40px;
            padding: 4px 4px 4px 20px;
            transition: all var(--transition-fast);
        }

        .hero-search-wrap:focus-within {
            border-color: var(--color-orange);
            box-shadow: 0 0 0 4px rgba(255, 77, 0, 0.15);
        }

        .hero-search-wrap input {
            flex: 1;
            background: transparent;
            color: var(--color-text);
            font-size: 1rem;
            padding: 10px 0;
            min-width: 0;
        }

        .hero-search-wrap input::placeholder {
            color: var(--color-text-muted);
        }

        .hero-search-wrap .search-btn {
            background: var(--color-orange);
            color: #fff;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .hero-search-wrap .search-btn:hover {
            background: var(--color-orange-hover);
            transform: scale(1.04);
        }

        .hero-hot-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .hero-hot-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .hero-hot-tag:hover {
            background: rgba(255, 77, 0, 0.12);
            border-color: var(--color-orange);
            color: var(--color-orange);
            transform: translateY(-2px);
        }

        /* Section通用 */
        .section {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 10px;
            letter-spacing: 0.5px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin: 0;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* 卡片 */
        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: #1e2535;
        }

        .card-body {
            padding: 20px;
        }

        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .card-body .card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }

        .card-body .card-summary {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin: 0 0 14px;
        }

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-orange);
            transition: all var(--transition-fast);
        }

        .card-body .card-link:hover {
            color: var(--color-orange-hover);
            gap: 8px;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background: var(--color-orange);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--color-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 77, 0, 0.35);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 26px;
            background: transparent;
            color: var(--color-orange);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: 2px solid var(--color-orange);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            background: var(--color-orange);
            color: #fff;
            transform: translateY(-2px);
        }

        /* 赛事亮点双栏 */
        .highlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }

        .highlight-grid.reverse {
            direction: rtl;
        }

        .highlight-grid.reverse>* {
            direction: ltr;
        }

        .highlight-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 12px;
        }

        .highlight-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
        }

        .highlight-text .highlight-stat {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .highlight-stat-item {
            text-align: center;
            padding: 14px 18px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            min-width: 100px;
        }

        .highlight-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-orange);
            line-height: 1;
        }

        .highlight-stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .highlight-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

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

        /* 赛事网格 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        /* 数据条 */
        .data-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
        }

        .data-strip-item {
            flex: 1;
            min-width: 140px;
            text-align: center;
            padding: 28px 16px;
            border-right: 1px solid var(--color-border);
            transition: background var(--transition-fast);
        }

        .data-strip-item:last-child {
            border-right: none;
        }

        .data-strip-item:hover {
            background: var(--color-card-hover);
        }

        .data-strip-item .data-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
        }

        .data-strip-item .data-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: transparent;
            color: var(--color-text);
            font-size: 1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            line-height: 1.4;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
            color: var(--color-text-secondary);
        }

        .faq-item.open .faq-icon {
            background: var(--color-orange);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* CTA区 */
        .cta-section {
            text-align: center;
            padding: 60px 24px;
            background: var(--color-darker);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 10px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin: 0 0 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(10, 15, 26, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            min-height: 56px;
        }

        .sticky-bottom-bar .bar-text {
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 600;
            white-space: nowrap;
        }

        .sticky-bottom-bar .bar-text span {
            color: var(--color-orange);
        }

        .sticky-bottom-bar .btn-primary {
            padding: 10px 22px;
            font-size: 0.9rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-darker);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            padding-bottom: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            display: block;
            margin-bottom: 8px;
            line-height: 1.6;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px;
            align-items: center;
        }

        .footer-bottom .sep {
            color: var(--color-border);
            margin: 0 4px;
        }

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

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .highlight-grid.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-category-content h1 {
                font-size: 2.4rem;
            }
            .data-strip {
                flex-wrap: wrap;
            }
            .data-strip-item {
                flex: 1 1 45%;
                min-width: 120px;
            }
        }

        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .hero-category {
                min-height: 340px;
                padding: 40px 16px;
            }
            .hero-category-content h1 {
                font-size: 2rem;
            }
            .hero-category-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-search-wrap {
                max-width: 100%;
            }
            .hero-hot-tags {
                gap: 6px;
            }
            .hero-hot-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .brand-row {
                height: 52px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.9rem;
            }
            .channel-row {
                height: 44px;
                padding: 0 12px;
                gap: 2px;
            }
            .channel-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                min-height: 56px;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.85rem;
                text-align: center;
            }
            .data-strip-item {
                flex: 1 1 100%;
                border-right: none;
                border-bottom: 1px solid var(--color-border);
            }
            .data-strip-item:last-child {
                border-bottom: none;
            }
            .highlight-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
            .site-footer {
                padding-bottom: 100px;
            }
        }

        @media (max-width: 520px) {
            .hero-category-content h1 {
                font-size: 1.7rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 18px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn-primary,
            .cta-buttons .btn-outline {
                width: 100%;
                max-width: 280px;
            }
            .highlight-stat {
                flex-direction: column;
                gap: 10px;
            }
            .highlight-stat-item {
                min-width: auto;
            }
        }

/* roulang page: category3 */
:root {
            --color-dark: #0a0f1a;
            --color-darker: #060b14;
            --color-card: #1a1f2e;
            --color-card-hover: #1e2535;
            --color-accent: #00e676;
            --color-accent-hover: #00c960;
            --color-orange: #ff4d00;
            --color-orange-hover: #e04400;
            --color-text: #ffffff;
            --color-text-secondary: #b0b8c1;
            --color-text-muted: #6b7280;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.5);
            --radius-card: 8px;
            --radius-btn: 6px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--color-dark);
            color: var(--color-text);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
            padding-bottom: 80px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-darker);
            box-shadow: var(--shadow-nav);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            border-bottom: 1px solid var(--color-border);
        }

        .brand-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0a0f1a;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-actions .icon-btn {
            background: none;
            border: none;
            color: var(--color-text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-actions .icon-btn:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
        }

        .channel-row {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }

        .channel-tag:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--color-border);
        }

        .channel-tag.active {
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--color-darker);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 26, 0.6) 0%, rgba(10, 15, 26, 0.9) 60%, var(--color-dark) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 60px 24px;
            width: 100%;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 900;
            margin: 0 0 16px;
            letter-spacing: 1px;
            color: var(--color-text);
            line-height: 1.2;
        }

        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 0 28px;
            line-height: 1.7;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--color-accent);
            color: #0a0f1a;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 230, 118, 0.3);
            color: #0a0f1a;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #0a0f1a;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 230, 118, 0.25);
        }

        /* Section通用 */
        .section {
            padding: 64px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 12px;
            color: var(--color-text);
            letter-spacing: 0.5px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0;
            line-height: 1.6;
        }

        /* 卡片 */
        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: 6px;
            margin-bottom: 16px;
            background: var(--color-darker);
        }

        .card-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(0, 230, 118, 0.15);
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }

        .card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin: 0 0 14px;
            line-height: 1.55;
        }

        .card .card-meta {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }

        .card .btn-sm {
            display: inline-block;
            padding: 8px 18px;
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .card .btn-sm:hover {
            background: var(--color-accent);
            color: #0a0f1a;
        }

        /* 数据亮点 */
        .stat-block {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }

        .stat-block:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent);
            margin: 0 0 6px;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* FAQ */
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            color: var(--color-text);
            font-size: 1.05rem;
            font-weight: 700;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            font-size: 1.4rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
            color: var(--color-accent);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            margin: 0;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-darker);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 48px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 12px;
            color: var(--color-text);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin: 0 0 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(6, 11, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--color-border);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            min-height: 56px;
        }

        .sticky-bottom-bar .bar-text {
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 600;
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-primary {
            padding: 10px 22px;
            font-size: 0.9rem;
            border-radius: 20px;
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--color-orange);
            color: #fff;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 77, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(255, 77, 0, 0);
            }
        }

        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #fff;
            animation: blink-dot 1s infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* 网格 */
        .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-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 16px;
        }

        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 8px;
            display: block;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            justify-content: center;
        }

        .footer-bottom .sep {
            color: var(--color-border-hover);
        }

        .footer-bottom a {
            color: var(--color-text-muted);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .brand-row {
                height: 52px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.9rem;
            }
            .channel-row {
                height: 44px;
                padding: 0 12px;
                gap: 2px;
            }
            .channel-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-section {
                min-height: 340px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
            .sticky-bottom-bar {
                padding: 10px 16px;
                gap: 10px;
                min-height: 56px;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.85rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 520px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 8px 16px;
                text-align: center;
            }
            .sticky-bottom-bar .bar-text {
                white-space: normal;
            }
            .brand-actions {
                gap: 8px;
            }
        }

/* roulang page: category1 */
:root {
            --color-dark: #0a0f1a;
            --color-darker: #060b14;
            --color-card: #1a1f2e;
            --color-card-hover: #1e2535;
            --color-accent: #00e676;
            --color-accent-hover: #00c960;
            --color-orange: #ff4d00;
            --color-orange-hover: #e04400;
            --color-text: #ffffff;
            --color-text-secondary: #b0b8c1;
            --color-text-muted: #6b7280;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.5);
            --radius-card: 8px;
            --radius-btn: 6px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--color-dark);
            color: var(--color-text);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-darker);
            box-shadow: var(--shadow-nav);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            border-bottom: 1px solid var(--color-border);
        }

        .brand-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0a0f1a;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-actions .icon-btn {
            background: none;
            border: none;
            color: var(--color-text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-actions .icon-btn:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
        }

        .channel-row {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }

        .channel-tag:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--color-border);
        }

        .channel-tag.active {
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .hero-category {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: var(--color-darker);
            overflow: hidden;
        }

        .hero-category-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.55;
        }

        .hero-category-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(10, 15, 26, 0.35) 0%, rgba(10, 15, 26, 0.85) 60%, #0a0f1a 100%);
        }

        .hero-category-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 80px 24px;
            width: 100%;
        }

        .hero-category-label {
            display: inline-block;
            background: var(--color-accent);
            color: #0a0f1a;
            font-weight: 900;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .hero-category h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.1;
            margin: 0 0 20px 0;
            color: #ffffff;
            letter-spacing: -0.5px;
        }

        .hero-category-subtitle {
            font-size: 1.2rem;
            color: var(--color-text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 230, 118, 0.3);
            color: #0a0f1a;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 27px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--color-accent);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #0a0f1a;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 230, 118, 0.25);
        }

        .section-block {
            padding: 72px 0;
        }

        .section-block-alt {
            padding: 72px 0;
            background: var(--color-darker);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 900;
            color: #ffffff;
            margin: 0 0 12px 0;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin: 0 0 40px 0;
            line-height: 1.6;
        }

        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 20px;
        }

        .card-date {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 10px 0;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0 0 16px 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .card-link:hover {
            color: var(--color-accent-hover);
            gap: 8px;
        }

        .stat-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .highlight-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 32px;
            display: flex;
            gap: 24px;
            align-items: center;
            transition: all var(--transition-smooth);
        }

        .highlight-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
        }

        .highlight-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: rgba(0, 230, 118, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            flex-shrink: 0;
        }

        .highlight-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 6px 0;
        }

        .highlight-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 0;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 700;
            padding: 20px 0;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
            font-family: inherit;
        }

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

        .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 1.2rem;
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0;
        }

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

        .faq-answer p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(6, 11, 20, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            min-height: 56px;
        }

        .sticky-cta-bar .sticky-text {
            font-weight: 700;
            font-size: 0.95rem;
            color: #ffffff;
            white-space: nowrap;
        }

        .sticky-cta-bar .btn-primary {
            padding: 10px 22px;
            font-size: 0.9rem;
        }

        .site-footer {
            background: var(--color-darker);
            padding: 56px 0 32px;
            border-top: 1px solid var(--color-border);
            margin-bottom: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px 0;
            letter-spacing: 0.3px;
        }

        .footer-col p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 8px 0;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .footer-bottom .sep {
            color: var(--color-border);
            margin: 0 4px;
        }

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

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-category h1 {
                font-size: 2.6rem;
            }
            .hero-category {
                min-height: 420px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .highlight-card {
                flex-direction: column;
                text-align: center;
                padding: 24px;
            }
            .highlight-card-icon {
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .brand-row {
                height: 52px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.9rem;
            }
            .channel-row {
                height: 44px;
                padding: 0 12px;
                gap: 2px;
            }
            .channel-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .hero-category {
                min-height: 380px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category-subtitle {
                font-size: 1rem;
            }
            .hero-category-content {
                padding: 60px 16px;
            }
            .section-block,
            .section-block-alt {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sticky-cta-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                min-height: 56px;
            }
            .sticky-cta-bar .sticky-text {
                font-size: 0.85rem;
                text-align: center;
            }
            .highlight-card {
                padding: 20px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .card-body {
                padding: 16px;
            }
            .card-title {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.7rem;
            }
            .hero-category {
                min-height: 340px;
            }
            .hero-category-content {
                padding: 48px 14px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .footer-bottom {
                font-size: 0.7rem;
                gap: 4px;
            }
            .footer-bottom .sep {
                margin: 0 2px;
            }
        }

/* roulang page: category4 */
:root {
            --color-dark: #0a0f1a;
            --color-darker: #060b14;
            --color-card: #1a1f2e;
            --color-card-hover: #1e2535;
            --color-accent: #00e676;
            --color-accent-hover: #00c960;
            --color-orange: #ff4d00;
            --color-orange-hover: #e04400;
            --color-text: #ffffff;
            --color-text-secondary: #b0b8c1;
            --color-text-muted: #6b7280;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.5);
            --radius-card: 8px;
            --radius-btn: 6px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
            background-color: var(--color-dark);
            color: var(--color-text);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 70px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-darker);
            box-shadow: var(--shadow-nav);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            border-bottom: 1px solid var(--color-border);
        }

        .brand-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0a0f1a;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-actions .icon-btn {
            background: none;
            border: none;
            color: var(--color-text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-actions .icon-btn:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
        }

        .channel-row {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }

        .channel-tag:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--color-border);
        }

        .channel-tag.active {
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        /* Hero Section */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-darker);
        }

        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            filter: brightness(0.7) saturate(1.2);
        }

        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(6, 11, 20, 0.65) 0%, rgba(10, 15, 26, 0.9) 60%, rgba(10, 15, 26, 1) 100%);
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 80px 24px;
            width: 100%;
        }

        .category-hero .hero-speed-line {
            position: absolute;
            z-index: 1;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
            opacity: 0.4;
            animation: speedLine 3s ease-in-out infinite;
        }

        @keyframes speedLine {
            0% {
                transform: translateX(-100%);
                opacity: 0;
            }
            30% {
                opacity: 0.5;
            }
            70% {
                opacity: 0.5;
            }
            100% {
                transform: translateX(120%);
                opacity: 0;
            }
        }

        /* Cards */
        .content-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

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

        .content-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #111827;
        }

        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .content-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .content-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }

        .content-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
        }

        .content-card .card-link:hover {
            color: var(--color-accent-hover);
            gap: 10px;
        }

        .content-card .card-link svg {
            width: 16px;
            height: 16px;
            transition: transform var(--transition-fast);
        }

        .content-card:hover .card-link svg {
            transform: translateX(3px);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #0a0f1a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 230, 118, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            background: transparent;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: 2px solid var(--color-accent);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #0a0f1a;
            transform: translateY(-2px);
        }

        .btn-orange {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-orange);
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-orange:hover {
            background: var(--color-orange-hover);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 77, 0, 0.35);
        }

        /* Section titles */
        .section-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-top: 16px;
            line-height: 1.7;
            max-width: 700px;
        }

        /* FAQ */
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: transparent;
            color: var(--color-text);
            font-weight: 700;
            font-size: 1rem;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            line-height: 1.5;
        }

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

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: var(--color-accent);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            color: var(--color-text-secondary);
            line-height: 1.75;
            font-size: 0.95rem;
            margin: 0;
        }

        /* Sticky bottom bar */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(6, 11, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--color-border);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            min-height: 60px;
        }

        .sticky-bottom-bar .bar-text {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .sticky-bottom-bar .bar-highlight {
            color: var(--color-accent);
            font-weight: 900;
        }

        /* Stats block */
        .stat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .stat-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* Footer */
        .site-footer {
            background: var(--color-darker);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-top: 60px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .site-footer .footer-col h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .site-footer .footer-col p,
        .site-footer .footer-col a {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            display: block;
            margin-bottom: 4px;
        }

        .site-footer .footer-col a:hover {
            color: var(--color-accent);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .site-footer .footer-bottom a {
            color: var(--color-text-muted);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .site-footer .sep {
            color: var(--color-border);
            margin: 0 4px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero {
                min-height: 340px;
            }
            .category-hero .hero-content {
                padding: 56px 20px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .brand-row {
                height: 52px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.9rem;
            }
            .channel-row {
                height: 44px;
                padding: 0 12px;
                gap: 2px;
            }
            .channel-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .category-hero {
                min-height: 280px;
            }
            .category-hero .hero-content {
                padding: 40px 16px;
            }
            .category-hero .hero-content h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-title::after {
                width: 36px;
                height: 2px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sticky-bottom-bar {
                padding: 8px 16px;
                gap: 10px;
                min-height: 56px;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.85rem;
            }
            .btn-primary,
            .btn-orange,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .container {
                padding: 0 16px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            body {
                padding-bottom: 62px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                min-height: 240px;
            }
            .category-hero .hero-content {
                padding: 32px 14px;
            }
            .category-hero .hero-content h1 {
                font-size: 1.7rem;
            }
            .category-hero .hero-content p {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .content-card .card-body {
                padding: 14px;
            }
            .content-card .card-title {
                font-size: 1rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 6px;
                text-align: center;
                padding: 8px 12px;
                min-height: 52px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .site-footer .footer-bottom .sep {
                display: none;
            }
        }

/* roulang page: category5 */
:root {
            --color-dark: #0a0f1a;
            --color-darker: #060b14;
            --color-card: #1a1f2e;
            --color-card-hover: #1e2535;
            --color-accent: #00e676;
            --color-accent-hover: #00c960;
            --color-orange: #ff4d00;
            --color-orange-hover: #e04400;
            --color-text: #ffffff;
            --color-text-secondary: #b0b8c1;
            --color-text-muted: #6b7280;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.5);
            --radius-card: 8px;
            --radius-btn: 6px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--color-dark);
            color: var(--color-text);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-darker);
            box-shadow: var(--shadow-nav);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            border-bottom: 1px solid var(--color-border);
        }
        .brand-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0a0f1a;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .icon-btn {
            background: none;
            border: none;
            color: var(--color-text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .brand-actions .icon-btn:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
        }
        .channel-row {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }
        .channel-tag:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--color-border);
        }
        .channel-tag.active {
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        /* Hero Section */
        .hero-category {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 11, 20, 0.55) 0%, rgba(6, 11, 20, 0.8) 40%, rgba(10, 15, 26, 0.95) 100%);
            z-index: 1;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 77, 0, 0.15) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 60px 24px;
            width: 100%;
        }
        .hero-category .hero-badge {
            display: inline-block;
            background: var(--color-orange);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .hero-category h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: var(--color-text);
            margin: 0 0 16px;
            line-height: 1.15;
            letter-spacing: -0.5px;
        }
        .hero-category .hero-subtitle {
            font-size: 1.2rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-category .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 230, 118, 0.3);
            color: #0a0f1a;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-text);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--color-border-hover);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        /* Section通用 */
        .section-block {
            padding: 60px 0;
        }
        .section-block.bg-darker {
            background: var(--color-darker);
        }
        .section-block.bg-card {
            background: var(--color-card);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 40px;
            max-width: 700px;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* 卡片 */
        .card-fight {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-fight:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .card-fight .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #111827;
        }
        .card-fight .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-fight:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-fight .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-orange);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            z-index: 2;
            letter-spacing: 0.5px;
        }
        .card-fight .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-fight .card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }
        .card-fight .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-fight .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-fight .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: gap var(--transition-fast);
            margin-top: auto;
        }
        .card-fight .card-link:hover {
            gap: 10px;
            color: var(--color-accent-hover);
        }
        .card-fight .card-link svg {
            width: 16px;
            height: 16px;
        }

        /* 卖点特性 */
        .feature-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 24px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }
        .feature-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .feature-item .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            flex-shrink: 0;
            background: rgba(0, 230, 118, 0.1);
            color: var(--color-accent);
        }
        .feature-item .feature-info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
        }
        .feature-item .feature-info p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* 数据亮点 */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .stat-card .stat-sub {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* 场景演示宽幅区 */
        .showcase-wide {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .showcase-wide .showcase-visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            aspect-ratio: 16 / 10;
            background: #111827;
        }
        .showcase-wide .showcase-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .showcase-wide .showcase-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .showcase-wide .showcase-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .showcase-wide .showcase-text .highlight-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .showcase-wide .showcase-text .highlight-list li {
            padding: 6px 0 6px 24px;
            position: relative;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
        }
        .showcase-wide .showcase-text .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 13px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-item .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 1rem;
            font-weight: 700;
            padding: 18px 20px;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
            font-family: inherit;
        }
        .faq-item .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            transition: transform var(--transition-smooth);
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-item .faq-answer-inner {
            padding: 0 20px 20px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA区 */
        .cta-section {
            background: linear-gradient(135deg, #0d1525 0%, #111d30 40%, #0f1a2c 100%);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }
        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(6, 11, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--color-border);
            padding: 12px 24px;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            min-height: 56px;
        }
        .sticky-bottom-bar .bar-text {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            white-space: nowrap;
        }
        .sticky-bottom-bar .bar-text span {
            color: var(--color-accent);
        }
        .sticky-bottom-bar .btn-primary {
            padding: 10px 22px;
            font-size: 0.9rem;
            border-radius: 20px;
            white-space: nowrap;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-darker);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-bottom: 0;
        }
        .site-footer .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: block;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            align-items: center;
            justify-content: center;
        }
        .footer-bottom .sep {
            color: var(--color-border-hover);
        }
        .footer-bottom a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .feature-row {
                grid-template-columns: 1fr 1fr;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .showcase-wide {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-category h1 {
                font-size: 2.5rem;
            }
            .hero-category {
                min-height: 340px;
            }
        }
        @media (max-width: 768px) {
            .brand-row {
                height: 52px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.9rem;
            }
            .channel-row {
                height: 44px;
                padding: 0 12px;
                gap: 2px;
            }
            .channel-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .feature-row {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
            }
            .hero-category {
                min-height: 300px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sticky-bottom-bar {
                padding: 10px 16px;
                gap: 12px;
                min-height: 50px;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .btn-primary {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .container {
                padding: 0 16px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .showcase-wide .showcase-text h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.7rem;
            }
            .hero-category {
                min-height: 260px;
            }
            .hero-category .hero-content {
                padding: 40px 16px;
            }
            .hero-category .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-category .hero-cta-group .btn-primary,
            .hero-category .hero-cta-group .btn-outline {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 10px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 8px;
                text-align: center;
                padding: 10px 12px;
                min-height: auto;
            }
            .card-fight .card-title {
                font-size: 1rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-dark: #0a0f1a;
            --color-darker: #060b14;
            --color-card: #1a1f2e;
            --color-card-hover: #1e2535;
            --color-accent: #00e676;
            --color-accent-hover: #00c960;
            --color-orange: #ff4d00;
            --color-orange-hover: #e04400;
            --color-text: #ffffff;
            --color-text-secondary: #b0b8c1;
            --color-text-muted: #6b7280;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.5);
            --radius-card: 8px;
            --radius-btn: 6px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--color-dark);
            color: var(--color-text);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-darker);
            box-shadow: var(--shadow-nav);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            border-bottom: 1px solid var(--color-border);
        }
        .brand-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0a0f1a;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .icon-btn {
            background: none;
            border: none;
            color: var(--color-text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .brand-actions .icon-btn:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
        }
        .channel-row {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }
        .channel-tag:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--color-border);
        }
        .channel-tag.active {
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        /* Hero Bento Section */
        .hero-bento {
            position: relative;
            padding: 60px 0 40px;
            overflow: hidden;
        }
        .hero-bento .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: linear-gradient(135deg, rgba(10, 15, 26, 0.92) 0%, rgba(6, 11, 20, 0.85) 40%, rgba(10, 15, 26, 0.9) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            filter: saturate(0.6);
        }
        .hero-bento .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(0, 230, 118, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(255, 77, 0, 0.06) 0%, transparent 50%);
        }
        .hero-bento .container {
            position: relative;
            z-index: 1;
        }
        .bento-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            grid-template-rows: auto auto auto;
            gap: 20px;
            align-items: stretch;
        }
        .bento-main {
            grid-row: 1 / 4;
            grid-column: 1 / 2;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .bento-main::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.04);
            pointer-events: none;
        }
        .bento-main .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 230, 118, 0.12);
            color: var(--color-accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            width: fit-content;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 230, 118, 0.2);
        }
        .bento-main h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin: 0 0 16px;
            color: var(--color-text);
            letter-spacing: -0.5px;
        }
        .bento-main .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 28px;
            max-width: 540px;
        }
        .bento-main .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #0a0f1a;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 230, 118, 0.25);
            color: #0a0f1a;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-text);
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-border);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            background: rgba(0, 230, 118, 0.08);
            color: var(--color-accent);
            transform: translateY(-2px);
        }
        .bento-sub-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: var(--shadow-card);
        }
        .bento-sub-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            background: var(--color-card-hover);
        }
        .bento-sub-card .sub-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
            border: 1px solid rgba(0, 230, 118, 0.18);
        }
        .bento-sub-card .sub-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--color-text);
        }
        .bento-sub-card .sub-info p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.4;
        }
        .bento-cta-strip {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, rgba(0, 230, 118, 0.02) 100%);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-card);
            padding: 18px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .bento-cta-strip .strip-text {
            font-weight: 600;
            color: var(--color-text);
            font-size: 0.95rem;
        }
        .bento-cta-strip .strip-highlight {
            color: var(--color-accent);
            font-weight: 700;
        }

        /* Section Common */
        .section-block {
            padding: 64px 0;
        }
        .section-block.section-alt {
            background: var(--color-darker);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 900;
            margin: 0 0 16px;
            color: var(--color-text);
            line-height: 1.3;
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 32px;
            max-width: 680px;
        }

        /* Value Props */
        .value-props-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .value-prop-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }
        .value-prop-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .value-prop-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            flex-shrink: 0;
            min-width: 70px;
            opacity: 0.85;
        }
        .value-prop-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }
        .value-prop-content p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Sport Grid */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .sport-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: var(--shadow-card);
        }
        .sport-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            background: var(--color-card-hover);
        }
        .sport-card .sport-emoji {
            font-size: 2.5rem;
            margin-bottom: 12px;
            display: block;
        }
        .sport-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--color-text);
        }
        .sport-card p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* Feature Showcase */
        .showcase-full {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            box-shadow: var(--shadow-card);
        }
        .showcase-full .showcase-img {
            background: url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
            min-height: 360px;
            position: relative;
        }
        .showcase-full .showcase-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(10, 15, 26, 0.3) 0%, transparent 60%);
        }
        .showcase-full .showcase-content {
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .showcase-full .showcase-content h3 {
            font-size: 1.6rem;
            font-weight: 900;
            margin: 0 0 12px;
            color: var(--color-text);
        }
        .showcase-full .showcase-content p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 20px;
        }
        .showcase-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .showcase-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
        }
        .showcase-features li::before {
            content: '✓';
            color: var(--color-accent);
            font-weight: 700;
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            background: rgba(0, 230, 118, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
        }

        /* News Cards */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
            cursor: pointer;
        }
        .news-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .news-card .news-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .news-card .news-img .news-date-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }
        .news-card .news-body {
            padding: 20px;
        }
        .news-card .news-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
            line-height: 1.4;
        }
        .news-card .news-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0 0 14px;
            line-height: 1.5;
        }
        .news-card .news-body .read-more {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .news-card .news-body .read-more:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }

        /* Milestones */
        .milestones-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .milestone-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
        }
        .milestone-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .milestone-card .milestone-num {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .milestone-card .milestone-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border: none;
            letter-spacing: 0.2px;
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--color-accent);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: rgba(0, 230, 118, 0.15);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-darker);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 56px 0;
            text-align: center;
        }
        .cta-section .cta-inner {
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin: 0 0 12px;
            color: var(--color-text);
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin: 0 0 28px;
            line-height: 1.6;
        }
        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        /* Sticky Bottom Bar */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(6, 11, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(0, 230, 118, 0.25);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            min-height: 56px;
        }
        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            color: var(--color-text);
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .sticky-bottom-bar .sticky-highlight {
            color: var(--color-accent);
            font-weight: 700;
        }
        .sticky-bottom-bar .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent);
            color: #0a0f1a;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
        }
        .sticky-bottom-bar .btn-primary-sm:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 230, 118, 0.3);
            color: #0a0f1a;
        }

        /* Load More */
        .load-more-wrap {
            text-align: center;
            padding: 20px 0 40px;
        }
        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-text);
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-border);
        }
        .btn-load-more:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 230, 118, 0.05);
        }

        /* Footer */
        .site-footer {
            background: var(--color-darker);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-bottom: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: block;
            margin: 0 0 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .footer-bottom .sep {
            color: var(--color-border);
            margin: 0 4px;
        }
        .footer-bottom a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .bento-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .bento-main {
                grid-row: auto;
                grid-column: auto;
                padding: 32px 24px;
            }
            .bento-main h1 {
                font-size: 2.2rem;
            }
            .bento-sub-card {
                padding: 20px;
            }
            .bento-cta-strip {
                flex-direction: column;
                text-align: center;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .value-props-grid {
                grid-template-columns: 1fr;
            }
            .sport-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .showcase-full {
                grid-template-columns: 1fr;
            }
            .showcase-full .showcase-img {
                min-height: 240px;
            }
            .milestones-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .brand-row {
                height: 52px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.9rem;
            }
            .channel-row {
                height: 44px;
                padding: 0 12px;
                gap: 2px;
            }
            .channel-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .hero-bento {
                padding: 36px 0 28px;
            }
            .bento-main h1 {
                font-size: 1.8rem;
            }
            .bento-main .hero-subtitle {
                font-size: 0.95rem;
            }
            .bento-main .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .sport-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .milestones-row {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .value-prop-item {
                flex-direction: column;
                gap: 14px;
                padding: 24px;
            }
            .value-prop-num {
                font-size: 2.5rem;
            }
            .showcase-full .showcase-content {
                padding: 28px 20px;
            }
            .showcase-full .showcase-content h3 {
                font-size: 1.3rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 10px;
                min-height: 56px;
                padding: 10px 16px;
                text-align: center;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.85rem;
                white-space: normal;
            }
            .container {
                padding: 0 16px;
            }
            .bento-cta-strip {
                padding: 16px 20px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .sport-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .sport-card {
                padding: 20px 12px;
            }
            .sport-card .sport-emoji {
                font-size: 2rem;
            }
            .milestones-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .milestone-card {
                padding: 24px 16px;
            }
            .milestone-card .milestone-num {
                font-size: 2.2rem;
            }
            .bento-main {
                padding: 24px 18px;
            }
            .bento-main h1 {
                font-size: 1.5rem;
            }
            .bento-sub-card {
                padding: 16px;
                gap: 12px;
            }
            .bento-sub-card .sub-icon {
                width: 38px;
                height: 38px;
                font-size: 1.2rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .footer-bottom .sep {
                display: none;
            }
        }