/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3bf1;
            --primary-dark: #4a1db8;
            --primary-light: #8f6bf8;
            --primary-gradient: linear-gradient(135deg, #6c3bf1 0%, #f72c7a 100%);
            --secondary: #f72c7a;
            --secondary-light: #ff6b9d;
            --accent: #00d4aa;
            --accent-dark: #00a88a;
            --bg-dark: #0b0c1a;
            --bg-card: #12142a;
            --bg-section: #0f1123;
            --bg-light: #1a1d3a;
            --text-white: #f0f0ff;
            --text-light: #b8b9e0;
            --text-muted: #7a7ba8;
            --border-color: rgba(108, 59, 241, 0.2);
            --border-glow: rgba(108, 59, 241, 0.4);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(108, 59, 241, 0.15);
            --shadow-btn: 0 4px 20px rgba(108, 59, 241, 0.35);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'JetBrains Mono', 'Cascadia Code', monospace;
            --nav-height: 72px;
            --tab-height: 52px;
            --container-max: 1200px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--accent);
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-white);
        }
        p {
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }

        /* ===== 导航 Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 12, 26, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .site-header .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            width: 100%;
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header .logo i {
            font-size: 1.6rem;
            -webkit-text-fill-color: var(--primary-light);
            background: none;
            color: var(--primary-light);
        }
        .site-header .logo span {
            -webkit-text-fill-color: var(--text-white);
            background: none;
            color: var(--text-white);
            font-weight: 300;
            font-size: 0.85rem;
            opacity: 0.6;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 0 16px;
            height: 40px;
            width: 220px;
            transition: var(--transition);
        }
        .header-actions .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 59, 241, 0.15);
        }
        .header-actions .search-box input {
            flex: 1;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 0.9rem;
            padding: 0 8px;
        }
        .header-actions .search-box input::placeholder {
            color: var(--text-muted);
        }
        .header-actions .search-box button {
            color: var(--text-muted);
            font-size: 1rem;
            transition: var(--transition);
        }
        .header-actions .search-box button:hover {
            color: var(--primary-light);
        }
        .header-actions .btn-login {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 0 24px;
            height: 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: var(--shadow-btn);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-actions .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 59, 241, 0.5);
        }
        .header-actions .btn-login:active {
            transform: translateY(0);
        }
        .header-actions .btn-login i {
            font-size: 0.85rem;
        }

        /* ===== 频道 Tab 导航 ===== */
        .channel-tabs {
            border-top: 1px solid rgba(108, 59, 241, 0.1);
            background: rgba(11, 12, 26, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-tabs::-webkit-scrollbar {
            display: none;
        }
        .channel-tabs .tabs-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--tab-height);
            width: 100%;
        }
        .channel-tabs .tab-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .channel-tabs .tab-item i {
            font-size: 0.8rem;
        }
        .channel-tabs .tab-item:hover {
            color: var(--text-white);
            background: rgba(108, 59, 241, 0.1);
            border-color: rgba(108, 59, 241, 0.2);
        }
        .channel-tabs .tab-item.active {
            color: #fff;
            background: var(--primary-gradient);
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(108, 59, 241, 0.3);
        }
        .channel-tabs .tab-item.active i {
            color: #fff;
        }
        .channel-tabs .tab-indicator {
            display: none;
        }

        /* ===== 汉堡菜单（移动端） ===== */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-white);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 998;
            backdrop-filter: blur(4px);
        }
        .mobile-menu-overlay.open {
            display: block;
        }
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: var(--bg-card);
            border-left: 1px solid var(--border-color);
            z-index: 999;
            padding: 24px 20px;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            right: 0;
            display: block;
        }
        .mobile-menu-panel .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-menu-panel .mobile-menu-header .logo-sm {
            font-size: 1.2rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mobile-menu-panel .mobile-menu-header .close-btn {
            color: var(--text-muted);
            font-size: 1.4rem;
            background: none;
            border: none;
        }
        .mobile-menu-panel .mobile-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 12px;
            border-radius: var(--radius-md);
            color: var(--text-light);
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 4px;
        }
        .mobile-menu-panel .mobile-nav-item i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
        }
        .mobile-menu-panel .mobile-nav-item:hover,
        .mobile-menu-panel .mobile-nav-item.active {
            background: rgba(108, 59, 241, 0.12);
            color: var(--text-white);
        }
        .mobile-menu-panel .mobile-nav-item.active i {
            color: var(--primary-light);
        }
        .mobile-menu-panel .mobile-cta {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .mobile-menu-panel .mobile-cta .btn-block {
            width: 100%;
            padding: 14px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            text-align: center;
            border: none;
            box-shadow: var(--shadow-btn);
            transition: var(--transition);
        }
        .mobile-menu-panel .mobile-cta .btn-block:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 59, 241, 0.5);
        }

        /* ===== 主体间距 ===== */
        main {
            padding-top: calc(var(--nav-height) + var(--tab-height));
        }
        section {
            padding: 80px 0;
            position: relative;
        }
        @media (max-width: 768px) {
            section {
                padding: 56px 0;
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            padding: 100px 0 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 59, 241, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(247, 44, 122, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-section .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 59, 241, 0.12);
            border: 1px solid rgba(108, 59, 241, 0.25);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 20px;
        }
        .hero-section .hero-badge i {
            font-size: 0.7rem;
            color: var(--accent);
        }
        .hero-section h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-section h1 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-section .hero-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-section .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-section .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: var(--shadow-btn);
            transition: var(--transition);
            border: none;
        }
        .hero-section .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 59, 241, 0.5);
            color: #fff;
        }
        .hero-section .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 32px;
            border-radius: 50px;
            border: 2px solid var(--border-color);
            color: var(--text-light);
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
            background: transparent;
        }
        .hero-section .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--text-white);
            background: rgba(108, 59, 241, 0.06);
        }
        .hero-section .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
        }
        .hero-section .hero-stats .stat-item .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            font-family: var(--font-mono);
        }
        .hero-section .hero-stats .stat-item .stat-number .accent {
            color: var(--accent);
        }
        .hero-section .hero-stats .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .hero-section .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-section .hero-visual .mockup-card {
            width: 100%;
            max-width: 460px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 24px;
            box-shadow: var(--shadow-card), var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }
        .hero-section .hero-visual .mockup-card .mockup-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(108, 59, 241, 0.1);
        }
        .hero-section .hero-visual .mockup-card .mockup-header .dots {
            display: flex;
            gap: 6px;
        }
        .hero-section .hero-visual .mockup-card .mockup-header .dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: block;
        }
        .hero-section .hero-visual .mockup-card .mockup-header .dots span:nth-child(1) {
            background: #ff5f57;
        }
        .hero-section .hero-visual .mockup-card .mockup-header .dots span:nth-child(2) {
            background: #ffbd2e;
        }
        .hero-section .hero-visual .mockup-card .mockup-header .dots span:nth-child(3) {
            background: #28c840;
        }
        .hero-section .hero-visual .mockup-card .mockup-header .mockup-title {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .hero-section .hero-visual .mockup-card .mockup-body {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hero-section .hero-visual .mockup-card .mockup-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(108, 59, 241, 0.08);
        }
        .hero-section .hero-visual .mockup-card .mockup-row .mockup-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }
        .hero-section .hero-visual .mockup-card .mockup-row .mockup-text {
            flex: 1;
        }
        .hero-section .hero-visual .mockup-card .mockup-row .mockup-text .name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-white);
        }
        .hero-section .hero-visual .mockup-card .mockup-row .mockup-text .status {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .hero-section .hero-visual .mockup-card .mockup-row .mockup-badge {
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent);
            border: 1px solid rgba(0, 212, 170, 0.2);
        }
        .hero-section .hero-visual .floating-tag {
            position: absolute;
            top: -10px;
            right: -10px;
            background: var(--secondary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(247, 44, 122, 0.4);
            animation: floatTag 3s ease-in-out infinite;
        }
        @keyframes floatTag {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        @media (max-width: 1024px) {
            .hero-section .hero-grid {
                gap: 40px;
            }
            .hero-section h1 {
                font-size: 2.6rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 56px;
            }
            .hero-section .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section .hero-desc {
                font-size: 1rem;
            }
            .hero-section .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-section .hero-stats .stat-item .stat-number {
                font-size: 1.4rem;
            }
            .hero-section .hero-visual .mockup-card {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.6rem;
            }
            .hero-section .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-section .hero-actions .btn-primary-custom,
            .hero-section .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 板块通用标题 ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-label i {
            font-size: 0.7rem;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ===== 核心板块 ===== */
        .core-section {
            background: var(--bg-section);
        }
        .core-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .core-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .core-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }
        .core-card:hover::before {
            opacity: 1;
        }
        .core-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .core-card .core-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(108, 59, 241, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-light);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .core-card:hover .core-icon {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 59, 241, 0.3);
        }
        .core-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .core-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .core-card .core-tag {
            display: inline-block;
            margin-top: 16px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 500;
            background: rgba(0, 212, 170, 0.08);
            color: var(--accent);
            border: 1px solid rgba(0, 212, 170, 0.15);
        }
        @media (max-width: 768px) {
            .core-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .core-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 分类入口 ===== */
        .category-section {
            background: var(--bg-dark);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .category-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .category-card .cat-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: rgba(108, 59, 241, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .category-card .cat-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .category-card .cat-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .category-card .cat-info .cat-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 8px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .category-card .cat-info .cat-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        .category-card .cat-arrow {
            margin-left: auto;
            color: var(--text-muted);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .category-card:hover .cat-arrow {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .category-card {
                flex-direction: column;
                text-align: center;
                padding: 24px;
            }
            .category-card .cat-arrow {
                display: none;
            }
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            background: var(--bg-section);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .news-card .news-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(108, 59, 241, 0.1);
            color: var(--primary-light);
            border: 1px solid rgba(108, 59, 241, 0.15);
            margin-bottom: 14px;
            align-self: flex-start;
        }
        .news-card .news-tag i {
            font-size: 0.65rem;
        }
        .news-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card h3 a {
            color: var(--text-white);
        }
        .news-card h3 a:hover {
            color: var(--primary-light);
        }
        .news-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid rgba(108, 59, 241, 0.08);
        }
        .news-card .news-footer .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .news-footer .news-date i {
            font-size: 0.7rem;
        }
        .news-card .news-footer .news-more {
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .news-card .news-footer .news-more:hover {
            color: var(--accent);
            gap: 10px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            background: var(--bg-card);
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-lg);
        }
        .news-empty i {
            font-size: 2.4rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            opacity: 0.4;
        }
        .news-empty p {
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 数据/流程板块 ===== */
        .stats-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stats-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }
        .stats-item:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .stats-item .stats-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .stats-item .stats-number {
            font-size: 2.4rem;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--text-white);
            line-height: 1.2;
        }
        .stats-item .stats-number .accent {
            color: var(--accent);
        }
        .stats-item .stats-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-item .stats-number {
                font-size: 1.6rem;
            }
        }

        /* ===== 流程步骤 ===== */
        .steps-section {
            background: var(--bg-section);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            opacity: 0.3;
        }
        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .step-item .step-number {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(108, 59, 241, 0.3);
            font-family: var(--font-mono);
        }
        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            max-width: 280px;
            margin: 0 auto;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .steps-grid::before {
                display: none;
            }
            .step-item p {
                max-width: 100%;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-dark);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(108, 59, 241, 0.3);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-item .faq-question i {
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .faq-item .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-question.open i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-item .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-item .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        @media (max-width: 520px) {
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer.open {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-section);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(108, 59, 241, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }
        .cta-box .cta-icon {
            font-size: 2.4rem;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 500px;
            margin: 0 auto 28px;
        }
        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .cta-box .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            box-shadow: var(--shadow-btn);
            transition: var(--transition);
            border: none;
        }
        .cta-box .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 59, 241, 0.5);
            color: #fff;
        }
        .cta-box .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 36px;
            border-radius: 50px;
            border: 2px solid var(--border-color);
            color: var(--text-light);
            font-weight: 500;
            font-size: 1.05rem;
            transition: var(--transition);
            background: transparent;
        }
        .cta-box .btn-cta-secondary:hover {
            border-color: var(--primary);
            color: var(--text-white);
            background: rgba(108, 59, 241, 0.06);
        }
        @media (max-width: 768px) {
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-box .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-box .btn-cta-primary,
            .cta-box .btn-cta-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-footer {
            font-size: 1.3rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.8;
        }
        .footer-brand .social-links {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .footer-brand .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-brand .social-links a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--text-muted);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .footer-links a {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 响应式导航修复 ===== */
        @media (max-width: 900px) {
            .header-actions .search-box {
                width: 160px;
            }
        }
        @media (max-width: 768px) {
            .header-actions .search-box {
                display: none;
            }
            .header-actions .btn-login span {
                display: none;
            }
            .header-actions .btn-login {
                padding: 0 16px;
                width: 40px;
                justify-content: center;
                border-radius: 50%;
            }
            .hamburger {
                display: flex;
            }
            .channel-tabs .tabs-inner {
                padding: 0 16px;
                gap: 2px;
            }
            .channel-tabs .tab-item {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .channel-tabs .tab-item span {
                display: none;
            }
            .channel-tabs .tab-item i {
                font-size: 1rem;
            }
            .channel-tabs .tab-item.active i {
                color: #fff;
            }
        }
        @media (max-width: 520px) {
            .site-header .header-top {
                padding: 0 16px;
            }
            .site-header .logo {
                font-size: 1.1rem;
            }
            .site-header .logo span {
                display: none;
            }
            .channel-tabs .tab-item {
                padding: 6px 10px;
                font-size: 0.7rem;
            }
        }

        /* ===== 辅助类 ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .glow-border {
            border-color: var(--border-glow);
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c2bd9;
            --primary-light: #8b5cf6;
            --primary-dark: #4c1d95;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #06b6d4;
            --accent-light: #22d3ee;
            --bg-dark: #0f0e17;
            --bg-card: #1a1a2e;
            --bg-surface: #16213e;
            --bg-section: #1e1e36;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-color: rgba(139, 92, 246, 0.2);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 12px rgba(108, 43, 217, 0.15);
            --shadow-md: 0 8px 30px rgba(108, 43, 217, 0.25);
            --shadow-lg: 0 16px 50px rgba(108, 43, 217, 0.35);
            --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Base Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        ul, ol { list-style: none; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; border: none; background: none; color: inherit; }
        input::placeholder, textarea::placeholder { color: var(--text-muted); }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .section-padding { padding: var(--spacing-lg) 0; }
        .section-title {
            font-size: clamp(1.5rem, 3.5vw, 2.4rem);
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 680px;
            line-height: 1.7;
        }
        .text-center { text-align: center; }
        .mx-auto { margin-left: auto; margin-right: auto; }

        /* ===== Header / Nav ===== */
        .site-header {
            background: rgba(15, 14, 23, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.7rem var(--spacing-sm);
            gap: var(--spacing-sm);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--secondary); font-size: 1.4rem; }
        .logo span { font-weight: 400; color: var(--text-muted); font-size: 0.85rem; }
        .logo:hover { color: var(--text-primary); }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 40px;
            padding: 0.4rem 0.4rem 0.4rem 1rem;
            transition: var(--transition);
            max-width: 220px;
        }
        .search-box:focus-within { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2); }
        .search-box input { background: transparent; border: none; color: var(--text-primary); font-size: 0.9rem; width: 140px; padding: 0.2rem 0; }
        .search-box input::placeholder { color: var(--text-muted); }
        .search-box button { background: var(--primary); color: #fff; border: none; border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); }
        .search-box button:hover { background: var(--primary-light); transform: scale(1.05); }
        .btn-login {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.4rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 2px 15px rgba(108, 43, 217, 0.3);
        }
        .btn-login:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(108, 43, 217, 0.45); }
        .btn-login i { font-size: 0.85rem; }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 4px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .hamburger span { display: block; width: 26px; height: 2.5px; background: var(--text-primary); border-radius: 4px; transition: var(--transition); }
        .hamburger:hover span { background: var(--primary-light); }

        .channel-tabs {
            border-top: 1px solid var(--border-color);
            background: rgba(15, 14, 23, 0.6);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-tabs::-webkit-scrollbar { display: none; }
        .tabs-inner {
            display: flex;
            gap: 0.2rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.3rem var(--spacing-sm);
            min-width: max-content;
        }
        .tab-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .tab-item i { font-size: 0.85rem; }
        .tab-item:hover { color: var(--text-primary); background: rgba(139, 92, 246, 0.1); border-color: var(--border-color); }
        .tab-item.active { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-color: transparent; box-shadow: 0 2px 15px rgba(108, 43, 217, 0.35); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: var(--spacing-lg) 0 var(--spacing-md);
            background: linear-gradient(180deg, rgba(108, 43, 217, 0.1) 0%, transparent 100%);
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-breadcrumb a { color: var(--text-muted); }
        .article-breadcrumb a:hover { color: var(--primary-light); }
        .article-breadcrumb i { font-size: 0.7rem; color: var(--text-muted); }
        .article-breadcrumb .current { color: var(--text-secondary); }
        .article-category-badge {
            display: inline-block;
            padding: 0.25rem 1rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            margin-bottom: 1rem;
            box-shadow: 0 2px 12px rgba(108, 43, 217, 0.25);
        }
        .article-hero h1 {
            font-size: clamp(1.6rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding-bottom: 1rem;
        }
        .article-meta i { margin-right: 0.3rem; color: var(--primary-light); }
        .article-meta span { display: flex; align-items: center; }

        /* ===== Article Content ===== */
        .article-main {
            padding: var(--spacing-lg) 0 var(--spacing-xl);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: var(--spacing-lg);
            align-items: start;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body .content p { margin-bottom: 1.2rem; }
        .article-body .content h2, .article-body .content h3, .article-body .content h4 {
            color: var(--text-primary);
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        .article-body .content h2 { font-size: 1.6rem; }
        .article-body .content h3 { font-size: 1.3rem; }
        .article-body .content ul, .article-body .content ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        .article-body .content ul { list-style: disc; }
        .article-body .content ol { list-style: decimal; }
        .article-body .content li { margin-bottom: 0.4rem; }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 1rem 1.5rem;
            background: rgba(108, 43, 217, 0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content a { color: var(--accent); text-decoration: underline; }
        .article-body .content a:hover { color: var(--accent-light); }
        .article-body .content img { border-radius: var(--radius-sm); margin: 1.5rem 0; box-shadow: var(--shadow-sm); }

        .article-not-found {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
        }
        .article-not-found i { font-size: 3rem; color: var(--text-muted); margin-bottom: 1rem; display: block; }
        .article-not-found h2 { font-size: 1.8rem; margin-bottom: 0.8rem; color: var(--text-primary); }
        .article-not-found p { color: var(--text-muted); margin-bottom: 1.5rem; }
        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.8rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 2px 15px rgba(108, 43, 217, 0.3);
        }
        .btn-back-home:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(108, 43, 217, 0.45); color: #fff; }

        /* ===== Article Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card h3 i { color: var(--secondary); }
        .sidebar-list { display: flex; flex-direction: column; gap: 0.8rem; }
        .sidebar-list-item {
            display: flex;
            gap: 0.8rem;
            align-items: flex-start;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .sidebar-list-item:last-child { border-bottom: none; }
        .sidebar-list-item:hover { padding-left: 0.3rem; }
        .sidebar-list-item .thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: var(--bg-surface);
            flex-shrink: 0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--text-muted);
            border: 1px solid var(--border-light);
        }
        .sidebar-list-item .info { flex: 1; min-width: 0; }
        .sidebar-list-item .info a {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
            transition: var(--transition);
        }
        .sidebar-list-item .info a:hover { color: var(--primary-light); }
        .sidebar-list-item .info .meta { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.2rem; }
        .sidebar-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
        .sidebar-tag {
            padding: 0.25rem 0.8rem;
            border-radius: 40px;
            font-size: 0.8rem;
            background: rgba(139, 92, 246, 0.1);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .sidebar-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            text-align: center;
            padding: var(--spacing-md);
        }
        .sidebar-cta h3 { color: #fff; justify-content: center; }
        .sidebar-cta p { color: rgba(255, 255, 255, 0.8); font-size: 0.9rem; margin-bottom: 1.2rem; }
        .btn-sidebar-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.8rem;
            background: var(--secondary);
            color: #1a1a2e;
            border-radius: 40px;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 2px 15px rgba(245, 158, 11, 0.3);
        }
        .btn-sidebar-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(245, 158, 11, 0.45); color: #1a1a2e; }

        /* ===== Related Articles ===== */
        .related-section {
            padding: var(--spacing-lg) 0;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
        .related-card .card-img {
            height: 160px;
            background: var(--bg-surface);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border-light);
        }
        .related-card .card-body { padding: 1.2rem; }
        .related-card .card-body .cat {
            font-size: 0.75rem;
            color: var(--primary-light);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .related-card .card-body h4 { margin: 0.4rem 0; }
        .related-card .card-body h4 a {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .related-card .card-body h4 a:hover { color: var(--primary-light); }
        .related-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.6rem;
        }
        .related-card .card-body .date { font-size: 0.75rem; color: var(--text-muted); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }
        .logo-footer {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin: 0.8rem 0 1rem; max-width: 320px; line-height: 1.7; }
        .social-links { display: flex; gap: 0.8rem; }
        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-surface);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .social-links a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 4px 15px rgba(108, 43, 217, 0.3); }
        .footer-col h4 { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 1rem; }
        .footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
        .footer-col ul li a { color: var(--text-muted); font-size: 0.9rem; display: flex; align-items: center; gap: 0.4rem; transition: var(--transition); }
        .footer-col ul li a i { font-size: 0.6rem; color: var(--text-muted); transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--primary-light); padding-left: 0.3rem; }
        .footer-col ul li a:hover i { color: var(--primary-light); }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: var(--spacing-sm);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
        .footer-links a { color: var(--text-muted); font-size: 0.85rem; }
        .footer-links a:hover { color: var(--primary-light); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-top { padding: 0.6rem var(--spacing-sm); }
            .search-box { max-width: 160px; }
            .search-box input { width: 90px; }
            .btn-login span { display: none; }
            .btn-login { padding: 0.4rem 0.8rem; }
            .hamburger { display: flex; }
            .channel-tabs .tabs-inner { padding: 0.3rem 0.6rem; gap: 0.1rem; }
            .tab-item { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
            .tab-item span { display: none; }
            .tab-item i { font-size: 1rem; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-body { padding: var(--spacing-sm); }
            .article-sidebar { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-links { justify-content: center; }
        }
        @media (max-width: 520px) {
            .header-top { flex-wrap: wrap; gap: 0.5rem; }
            .logo { font-size: 1.2rem; }
            .logo span { display: none; }
            .search-box { max-width: 140px; }
            .search-box input { width: 70px; }
            .article-hero { padding: var(--spacing-md) 0; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-meta { font-size: 0.8rem; gap: 0.6rem; flex-wrap: wrap; }
            .section-padding { padding: var(--spacing-md) 0; }
            .container-custom { padding: 0 0.8rem; }
        }
        @media (max-width: 400px) {
            .logo { font-size: 1rem; }
            .search-box { max-width: 110px; }
            .search-box input { width: 50px; }
            .btn-login { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
            .tab-item { padding: 0.3rem 0.6rem; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3aff;
            --primary-dark: #5228cc;
            --primary-light: #8f6bff;
            --secondary: #ff3d6e;
            --secondary-light: #ff6b8f;
            --accent: #00e5a0;
            --accent-dark: #00b87a;
            --bg-dark: #0b0d1a;
            --bg-card: #12152a;
            --bg-card-hover: #1a1e3a;
            --bg-surface: #181c38;
            --text-white: #f0f3ff;
            --text-light: #b8beeb;
            --text-muted: #7a80b0;
            --border-color: #2a2f52;
            --border-light: #3a3f62;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(108, 58, 255, 0.08);
            --shadow-md: 0 8px 24px rgba(108, 58, 255, 0.14);
            --shadow-lg: 0 16px 48px rgba(108, 58, 255, 0.22);
            --shadow-glow: 0 0 30px rgba(108, 58, 255, 0.3);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 120px;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; transition: var(--transition); }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-white); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        p { color: var(--text-light); margin-bottom: 1rem; }
        ::selection { background: var(--primary); color: #fff; }
        :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

        /* ===== Container ===== */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
        }

        /* ===== Header ===== */
        .site-header {
            background: rgba(11, 13, 26, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-lg); }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--accent); font-size: 1.6rem; }
        .logo span { font-weight: 400; color: var(--text-muted); font-size: 0.9rem; letter-spacing: 0; }
        .logo:hover { color: var(--accent); }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 40px;
            padding: 2px 2px 2px 16px;
            transition: var(--transition);
            min-width: 180px;
        }
        .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,58,255,0.15); }
        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-white);
            padding: 7px 0;
            font-size: 0.85rem;
            width: 100%;
        }
        .search-box input::placeholder { color: var(--text-muted); }
        .search-box button {
            background: var(--primary);
            color: #fff;
            border-radius: 40px;
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            flex-shrink: 0;
        }
        .search-box button:hover { background: var(--primary-dark); }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text-white);
            padding: 7px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-login:hover { background: var(--primary); border-color: var(--primary); }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
        }
        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-white);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

        /* ===== Channel Tabs ===== */
        .channel-tabs {
            background: rgba(18, 21, 42, 0.8);
            border-top: 1px solid var(--border-color);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .channel-tabs::-webkit-scrollbar { display: none; }
        .tabs-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            min-height: 48px;
        }
        .tab-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            background: transparent;
            text-decoration: none;
        }
        .tab-item i { font-size: 0.9rem; }
        .tab-item:hover { color: var(--text-white); background: rgba(108,58,255,0.12); }
        .tab-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108,58,255,0.3);
        }
        .tab-item.active:hover { background: var(--primary-dark); }

        /* ===== Mobile Menu ===== */
        .mobile-menu {
            display: none;
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu.open { display: flex; }
        .mobile-menu a {
            color: var(--text-light);
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-menu a:hover { background: rgba(108,58,255,0.12); color: var(--text-white); }
        .mobile-menu a.active { color: var(--accent); }

        /* ===== Hero ===== */
        .hero-live {
            position: relative;
            padding: 60px 0 50px;
            background: linear-gradient(135deg, #0b0d1a 0%, #12152a 50%, #1a0e2e 100%);
            overflow: hidden;
        }
        .hero-live::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108,58,255,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-live::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0,229,160,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-live .container-custom { position: relative; z-index: 2; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0,229,160,0.15);
            color: var(--accent);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero-badge i { font-size: 0.7rem; animation: pulse-dot 1.8s infinite; }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .hero-live h1 {
            margin-bottom: 16px;
            background: linear-gradient(135deg, #f0f3ff 0%, #8f6bff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-live p {
            font-size: 1.1rem;
            max-width: 640px;
            color: var(--text-light);
            margin-bottom: 28px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
        }
        .hero-stat-item .label {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ===== 板块标题 ===== */
        .section-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-title h2 {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title h2 i { color: var(--accent); font-size: 1.3rem; }
        .section-link {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .section-link:hover { color: var(--accent); }

        /* ===== 赛事直播卡片网格 ===== */
        .section-live { padding: 60px 0; }
        .live-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .live-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            cursor: pointer;
        }
        .live-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .live-card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, #1a1e3a, #0b0d1a);
            overflow: hidden;
        }
        .live-card-thumb .placeholder-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 3rem;
            color: rgba(108,58,255,0.25);
        }
        .live-card-thumb .live-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            padding: 3px 12px;
            border-radius: 40px;
            font-size: 0.7rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 5px;
            letter-spacing: 0.5px;
        }
        .live-card-thumb .live-tag i { font-size: 0.6rem; animation: pulse-dot 1.8s infinite; }
        .live-card-thumb .view-count {
            position: absolute;
            bottom: 10px;
            right: 12px;
            background: rgba(0,0,0,0.7);
            color: var(--text-light);
            padding: 2px 10px;
            border-radius: 40px;
            font-size: 0.7rem;
            display: flex;
            align-items: center;
            gap: 4px;
            backdrop-filter: blur(4px);
        }
        .live-card-body {
            padding: 16px 18px 18px;
        }
        .live-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-white);
        }
        .live-card-body .match-info {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .live-card-body .match-info .vs {
            color: var(--primary-light);
            font-weight: 700;
        }
        .live-card-body .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .live-card-body .tags .tag {
            background: rgba(108,58,255,0.12);
            color: var(--primary-light);
            padding: 2px 10px;
            border-radius: 30px;
            font-size: 0.7rem;
            font-weight: 500;
        }

        /* ===== 分类筛选 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 32px;
        }
        .filter-btn {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-btn:hover { border-color: var(--primary); color: var(--text-white); }
        .filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

        /* ===== 赛程时间线 ===== */
        .section-schedule { padding: 60px 0; background: var(--bg-surface); }
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            transition: var(--transition);
        }
        .schedule-item:hover { border-color: var(--primary-light); background: var(--bg-card-hover); }
        .schedule-time {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            min-width: 60px;
        }
        .schedule-info {
            flex: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .schedule-info .teams { font-weight: 600; color: var(--text-white); }
        .schedule-info .league { font-size: 0.8rem; color: var(--text-muted); padding: 2px 10px; background: rgba(108,58,255,0.1); border-radius: 30px; }
        .schedule-status {
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 30px;
            font-weight: 600;
        }
        .schedule-status.live { background: rgba(255,61,110,0.18); color: var(--secondary); }
        .schedule-status.upcoming { background: rgba(0,229,160,0.12); color: var(--accent); }
        .schedule-status.ended { background: rgba(255,255,255,0.06); color: var(--text-muted); }

        /* ===== 热门联赛 ===== */
        .section-leagues { padding: 60px 0; }
        .league-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 16px;
        }
        .league-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
        }
        .league-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .league-card .icon-wrap {
            font-size: 2.2rem;
            color: var(--primary-light);
            margin-bottom: 10px;
        }
        .league-card h4 { font-size: 0.9rem; font-weight: 600; }
        .league-card .count { font-size: 0.75rem; color: var(--text-muted); }

        /* ===== FAQ ===== */
        .section-faq { padding: 60px 0; background: var(--bg-surface); }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-item h4 i { color: var(--accent); font-size: 0.8rem; }
        .faq-item p { font-size: 0.88rem; margin-bottom: 0; }

        /* ===== CTA ===== */
        .section-cta { padding: 60px 0; }
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, #3b1f8a 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
        }
        .cta-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .cta-box p { color: rgba(255,255,255,0.8); max-width: 500px; margin: 0 auto 24px; }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary-dark);
            padding: 12px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-cta:hover { background: var(--accent); color: #fff; transform: scale(1.03); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }

        /* ===== Footer ===== */
        .site-footer {
            background: #080a16;
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .logo-footer {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 360px; }
        .social-links { display: flex; gap: 12px; margin-top: 16px; }
        .social-links a {
            width: 38px;
            height: 38px;
            background: var(--bg-card);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .social-links a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .footer-col h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; color: var(--text-white); }
        .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a i { font-size: 0.6rem; }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links { display: flex; gap: 16px; }
        .footer-bottom .footer-links a { color: var(--text-muted); font-size: 0.8rem; }
        .footer-bottom .footer-links a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero-live { padding: 40px 0 36px; }
        }
        @media (max-width: 768px) {
            :root { --header-h: auto; }
            .search-box { min-width: 120px; }
            .search-box input { width: 80px; }
            .btn-login span { display: none; }
            .hamburger { display: flex; }
            .channel-tabs .tabs-inner { padding: 0 12px; gap: 2px; }
            .tab-item { padding: 8px 12px; font-size: 0.78rem; }
            .tab-item span { display: none; }
            .tab-item i { font-size: 1rem; }
            .hero-live h1 { font-size: 1.8rem; }
            .hero-stats { gap: 20px; }
            .hero-stat-item .num { font-size: 1.4rem; }
            .live-grid { grid-template-columns: 1fr 1fr; }
            .faq-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-box { padding: 32px 20px; }
            .cta-box h2 { font-size: 1.4rem; }
            .schedule-item { flex-wrap: wrap; gap: 8px; }
            .schedule-time { min-width: auto; }
            .league-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
        }
        @media (max-width: 520px) {
            .header-top { padding: 8px 12px; gap: 8px; }
            .logo { font-size: 1.1rem; }
            .logo span { display: none; }
            .search-box { min-width: 80px; }
            .search-box input { width: 60px; }
            .live-grid { grid-template-columns: 1fr; }
            .filter-bar { gap: 6px; }
            .filter-btn { font-size: 0.75rem; padding: 4px 12px; }
            .hero-live { padding: 28px 0 24px; }
            .hero-live p { font-size: 0.95rem; }
            .section-title h2 { font-size: 1.2rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

/* roulang page: category2 */
:root {
            --primary: #00e5ff;
            --primary-dark: #00b8d4;
            --primary-light: #64f0ff;
            --secondary: #ff6d00;
            --secondary-light: #ff9e40;
            --accent: #d500f9;
            --bg-dark: #0a0e17;
            --bg-card: #111827;
            --bg-elevated: #1a2332;
            --bg-surface: #0f1724;
            --text-main: #e8edf5;
            --text-secondary: #94a3b8;
            --text-weak: #64748b;
            --border-color: #1e2d3d;
            --border-light: #2a3a4a;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 229, 255, 0.08);
            --shadow-md: 0 4px 20px rgba(0, 229, 255, 0.12);
            --shadow-lg: 0 8px 40px rgba(0, 229, 255, 0.16);
            --shadow-glow: 0 0 30px rgba(0, 229, 255, 0.15);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media screen and (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            background: linear-gradient(180deg, rgba(10, 14, 23, 0.98) 0%, rgba(10, 14, 23, 0.92) 100%);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .logo i {
            color: var(--primary);
            font-size: 1.8rem;
            filter: drop-shadow(0 0 12px rgba(0, 229, 255, 0.4));
        }
        .logo span {
            font-weight: 400;
            color: var(--text-secondary);
            font-size: 0.9rem;
            letter-spacing: 1px;
        }
        .logo:hover {
            color: var(--primary);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 4px 4px 4px 16px;
            transition: var(--transition);
            min-width: 220px;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        }
        .search-box input {
            background: none;
            border: none;
            color: var(--text-main);
            padding: 8px 0;
            font-size: 0.9rem;
            width: 100%;
            outline: none;
        }
        .search-box input::placeholder {
            color: var(--text-weak);
        }
        .search-box button {
            background: var(--primary);
            border: none;
            color: #0a0e17;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }
        .search-box button:hover {
            background: var(--primary-light);
            transform: scale(1.05);
        }

        .btn-login {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            border: none;
            color: #0a0e17;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .btn-login i {
            font-size: 0.85rem;
        }
        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(255, 109, 0, 0.35);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }

        .channel-tabs {
            border-top: 1px solid var(--border-color);
            background: rgba(15, 23, 36, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .tabs-inner {
            display: flex;
            gap: 4px;
            padding: 8px 24px;
            max-width: 1200px;
            margin: 0 auto;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .tabs-inner::-webkit-scrollbar {
            display: none;
        }

        .tab-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
            flex-shrink: 0;
        }
        .tab-item i {
            font-size: 0.9rem;
        }
        .tab-item:hover {
            color: var(--text-main);
            background: var(--bg-elevated);
            border-color: var(--border-light);
        }
        .tab-item.active {
            color: #0a0e17;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.25);
        }
        .tab-item.active:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #0a0e17;
        }

        /* ===== Mobile Nav Overlay ===== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: var(--bg-card);
            border-left: 1px solid var(--border-color);
            z-index: 1001;
            padding: 24px 20px;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            right: 0;
        }
        .mobile-nav-panel .close-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.8rem;
            cursor: pointer;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .mobile-nav-panel .close-btn:hover {
            color: var(--primary);
            transform: rotate(90deg);
        }
        .mobile-nav-panel .mobile-nav-item {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            border: 1px solid transparent;
            margin-bottom: 4px;
        }
        .mobile-nav-panel .mobile-nav-item i {
            margin-right: 12px;
            width: 20px;
            text-align: center;
        }
        .mobile-nav-panel .mobile-nav-item:hover {
            background: var(--bg-elevated);
            color: var(--text-main);
        }
        .mobile-nav-panel .mobile-nav-item.active {
            background: rgba(0, 229, 255, 0.12);
            color: var(--primary);
            border-color: rgba(0, 229, 255, 0.2);
        }

        /* ===== Hero / Page Banner ===== */
        .page-hero {
            padding: 60px 0 50px;
            background: linear-gradient(160deg, #0a0e17 0%, #0f1a2e 50%, #0a0e17 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(213, 0, 249, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .page-hero h1 i {
            color: var(--primary);
            margin-right: 12px;
        }
        .page-hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.8;
        }
        .page-hero .breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        .page-hero .breadcrumb a {
            color: var(--text-secondary);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--primary);
        }
        .page-hero .breadcrumb .sep {
            color: var(--text-weak);
        }

        @media screen and (max-width: 768px) {
            .page-hero {
                padding: 40px 0 30px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
        }

        /* ===== Section通用 ===== */
        .section-block {
            padding: 70px 0;
        }
        .section-block.alt-bg {
            background: var(--bg-surface);
        }
        .section-block.dark-bg {
            background: var(--bg-card);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .badge-section {
            display: inline-block;
            background: rgba(0, 229, 255, 0.1);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 229, 255, 0.2);
        }

        @media screen and (max-width: 768px) {
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.25);
            box-shadow: var(--shadow-md);
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: rgba(0, 229, 255, 0.08);
            color: var(--primary);
            border: 1px solid rgba(0, 229, 255, 0.15);
        }
        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .card-custom p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .card-custom .card-tag {
            display: inline-block;
            background: rgba(0, 229, 255, 0.06);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            border: 1px solid rgba(0, 229, 255, 0.12);
            margin-top: 12px;
        }

        /* ===== Steps / Timeline ===== */
        .step-list {
            counter-reset: step;
        }
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-color);
            counter-increment: step;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0a0e17;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.06) 0%, rgba(213, 0, 249, 0.04) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 550px;
            margin: 0 auto 28px;
        }
        .cta-block .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0a0e17;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-block .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(0, 229, 255, 0.3);
        }
        .cta-block .btn-cta i {
            font-size: 1.1rem;
        }

        @media screen and (max-width: 768px) {
            .cta-block {
                padding: 36px 20px;
            }
            .cta-block h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== Badge / Tag ===== */
        .badge-platform {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .badge-platform i {
            color: var(--primary);
        }

        /* ===== Platform Icons Row ===== */
        .platform-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-top: 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-footer {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 320px;
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 1rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            background: var(--primary);
            color: #0a0e17;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-col ul li a i {
            font-size: 0.6rem;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-col ul li a:hover i {
            color: var(--primary);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin: 0;
        }
        .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-links a {
            font-size: 0.8rem;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }

        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media screen and (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 768px) {
            .search-box {
                display: none;
            }
            .btn-login span {
                display: none;
            }
            .btn-login {
                padding: 8px 14px;
            }
            .hamburger {
                display: flex;
            }
            .header-top {
                padding: 10px 16px;
            }
            .tabs-inner {
                padding: 6px 16px;
                gap: 4px;
            }
            .tab-item {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .tab-item span {
                display: none;
            }
            .tab-item i {
                font-size: 1rem;
            }
            .logo {
                font-size: 1.2rem;
            }
            .logo span {
                font-size: 0.75rem;
            }
        }

        @media screen and (max-width: 520px) {
            .tab-item {
                padding: 6px 12px;
                font-size: 0.72rem;
            }
            .logo {
                font-size: 1rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
        }

        /* ===== Foundation Overrides ===== */
        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media screen and (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .cell {
            margin-bottom: 24px;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .anim-fade-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .anim-delay-1 {
            animation-delay: 0.1s;
        }
        .anim-delay-2 {
            animation-delay: 0.2s;
        }
        .anim-delay-3 {
            animation-delay: 0.3s;
        }
        .anim-delay-4 {
            animation-delay: 0.4s;
        }

        /* ===== 额外组件 ===== */
        .tip-box {
            background: rgba(0, 229, 255, 0.05);
            border-left: 3px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .tip-box i {
            color: var(--primary);
            margin-right: 8px;
        }

        .warning-box {
            background: rgba(255, 109, 0, 0.06);
            border-left: 3px solid var(--secondary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .warning-box i {
            color: var(--secondary);
            margin-right: 8px;
        }

        .device-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .device-item {
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: var(--transition);
        }
        .device-item:hover {
            border-color: rgba(0, 229, 255, 0.2);
            transform: translateY(-2px);
        }
        .device-item i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 8px;
            display: block;
        }
        .device-item span {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }