/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --bg-primary: #0B0D12;
            --bg-secondary: #11151C;
            --bg-card: #161B22;
            --bg-input: #15181E;
            --text-primary: #ECEFF4;
            --text-secondary: #9AA3B2;
            --border-color: rgba(255, 255, 255, 0.08);
            --accent-green: #00E5A0;
            --accent-purple: #A855F7;
            --accent-yellow: #FACC15;
            --accent-danger: #EF4444;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(0, 229, 160, 0.12);
            --transition-fast: 160ms ease-out;
            --transition-base: 200ms ease-out;
            --font-zh: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'Barlow Condensed', 'Oswald', monospace;
            --container-max: 1200px;
            --container-pad: 24px;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-zh);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: var(--font-zh);
            border: none;
            background: none;
        }

        input {
            font-family: var(--font-zh);
        }

        /* ============ 容器 ============ */
        .cf-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ============ 导航 ============ */
        .cf-header {
            background: rgba(11, 13, 18, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .cf-header .top-bar {
            background: transparent;
            padding: 0;
        }

        .cf-header .top-bar,
        .cf-header .top-bar ul {
            background: transparent;
        }

        .cf-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 8px 0;
        }

        .cf-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .cf-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-purple) 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0B0D12;
            flex-shrink: 0;
        }

        .cf-brand span.brand-text {
            color: var(--accent-green);
        }

        .cf-menu-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }

        .cf-menu-desktop li a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .cf-menu-desktop li a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .cf-menu-desktop li a.active {
            color: var(--accent-green);
        }

        .cf-menu-desktop li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }

        /* 移动端汉堡 */
        .cf-hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 8px 12px;
            color: var(--text-primary);
            font-size: 18px;
            transition: border-color var(--transition-fast);
        }
        .cf-hamburger:hover {
            border-color: var(--accent-green);
        }

        .cf-mobile-menu {
            display: none;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 12px 0;
        }
        .cf-mobile-menu.open {
            display: block;
        }
        .cf-mobile-menu ul {
            list-style: none;
        }
        .cf-mobile-menu ul li a {
            display: block;
            padding: 12px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }
        .cf-mobile-menu ul li a:hover,
        .cf-mobile-menu ul li a.active {
            color: var(--accent-green);
            border-left-color: var(--accent-green);
            background: rgba(0, 229, 160, 0.05);
        }

        /* ============ 面包屑 ============ */
        .cf-breadcrumbs {
            padding: 16px 0 12px;
            background: transparent;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 32px;
        }
        .cf-breadcrumbs .breadcrumbs {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }
        .cf-breadcrumbs .breadcrumbs li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .cf-breadcrumbs .breadcrumbs li:not(:last-child)::after {
            content: '/';
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }
        .cf-breadcrumbs .breadcrumbs a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .cf-breadcrumbs .breadcrumbs a:hover {
            color: var(--accent-green);
        }
        .cf-breadcrumbs .breadcrumbs .current {
            color: var(--text-primary);
            font-weight: 500;
        }
        .cf-breadcrumbs .breadcrumbs .back-link {
            margin-left: auto;
            color: var(--accent-green);
            font-weight: 500;
        }

        /* ============ Hero 首屏 ============ */
        .cf-hero {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            padding: 60px 0 80px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .cf-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 13, 18, 0.82) 0%, rgba(11, 13, 18, 0.92) 60%, var(--bg-primary) 100%);
            z-index: 1;
        }
        .cf-hero .cf-container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .cf-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.3);
            color: var(--accent-green);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .cf-hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: cf-pulse 1.6s ease-in-out infinite;
        }
        @keyframes cf-pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.6); }
        }
        .cf-hero h1 {
            font-size: clamp(26px, 4.5vw, 40px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 18px;
            max-width: 720px;
        }
        .cf-hero h1 .highlight {
            color: var(--accent-green);
        }
        .cf-hero-subtitle {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 28px;
        }
        .cf-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .cf-hero-data-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 720px;
            background: rgba(22, 27, 34, 0.85);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .cf-hero-data-bar .data-item {
            text-align: left;
        }
        .cf-hero-data-bar .data-label {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }
        .cf-hero-data-bar .data-value {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.01em;
        }
        .cf-hero-data-bar .data-value.warn {
            color: var(--accent-yellow);
        }

        /* ============ 按钮 ============ */
        .cf-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            text-align: center;
            justify-content: center;
            white-space: nowrap;
        }
        .cf-btn-primary {
            background: var(--accent-green);
            color: #0B0D12;
            box-shadow: 0 4px 16px rgba(0, 229, 160, 0.25);
        }
        .cf-btn-primary:hover {
            background: #00F5B0;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0, 229, 160, 0.35);
            color: #0B0D12;
        }
        .cf-btn-primary:active {
            transform: translateY(0);
        }
        .cf-btn-secondary {
            background: transparent;
            border: 1px solid var(--text-secondary);
            color: var(--text-primary);
        }
        .cf-btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-1px);
        }
        .cf-btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .cf-btn-lg {
            padding: 14px 28px;
            font-size: 16px;
        }

        /* ============ 通用 Section ============ */
        .cf-section {
            padding: 80px 0;
        }
        .cf-section-alt {
            background: var(--bg-secondary);
        }
        .cf-section-header {
            margin-bottom: 40px;
        }
        .cf-section-header h2 {
            font-size: clamp(20px, 3vw, 28px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .cf-section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        .cf-section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-purple);
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        /* ============ 卡片 ============ */
        .cf-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .cf-card:hover {
            transform: translateY(-2px);
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
        }
        .cf-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.15), rgba(168, 85, 247, 0.15));
        }
        .cf-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .cf-card:hover .cf-card-image img {
            transform: scale(1.04);
        }
        .cf-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cf-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cf-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cf-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-secondary);
        }
        .cf-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ============ 标签 ============ */
        .cf-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.02em;
            background: rgba(168, 85, 247, 0.15);
            color: var(--accent-purple);
            white-space: nowrap;
        }
        .cf-tag-green {
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent-green);
        }
        .cf-tag-yellow {
            background: rgba(250, 204, 21, 0.15);
            color: var(--accent-yellow);
        }
        .cf-tag-danger {
            background: rgba(239, 68, 68, 0.15);
            color: var(--accent-danger);
        }

        /* ============ 权益券墙 ============ */
        .cf-coupon-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .cf-coupon {
            background: var(--bg-card);
            border: 1px dashed rgba(0, 229, 160, 0.35);
            border-radius: var(--radius-card);
            padding: 24px;
            position: relative;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cf-coupon:hover {
            border-color: var(--accent-green);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .cf-coupon .coupon-badge {
            position: absolute;
            top: -8px;
            right: 16px;
            background: var(--accent-yellow);
            color: #0B0D12;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }
        .cf-coupon .coupon-type {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.04em;
        }
        .cf-coupon .coupon-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .cf-coupon .coupon-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .cf-coupon .coupon-meta {
            font-size: 12px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-color);
            padding-top: 10px;
        }
        .cf-coupon-rule {
            margin-top: 24px;
            padding: 16px 20px;
            background: rgba(168, 85, 247, 0.08);
            border-radius: var(--radius-card);
            border: 1px solid rgba(168, 85, 247, 0.2);
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .cf-coupon-rule strong {
            color: var(--accent-purple);
        }

        /* ============ 功能对比表 ============ */
        .cf-compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
        }
        .cf-compare-table {
            width: 100%;
            min-width: 600px;
            border-collapse: collapse;
            font-size: 14px;
        }
        .cf-compare-table th,
        .cf-compare-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        .cf-compare-table th {
            background: var(--bg-secondary);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.03em;
        }
        .cf-compare-table td:first-child {
            color: var(--text-primary);
            font-weight: 500;
        }
        .cf-compare-table tr:last-child td {
            border-bottom: none;
        }
        .cf-compare-table .check {
            color: var(--accent-green);
            font-weight: 600;
        }
        .cf-compare-table .partial {
            color: var(--accent-yellow);
            font-weight: 600;
        }
        .cf-compare-table .cross {
            color: var(--text-secondary);
        }

        /* ============ 推荐档 ============ */
        .cf-tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .cf-tier-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cf-tier-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .cf-tier-card.featured {
            border-color: var(--accent-green);
            background: linear-gradient(180deg, rgba(0, 229, 160, 0.06) 0%, var(--bg-card) 40%);
        }
        .cf-tier-card .tier-badge {
            position: absolute;
            top: -8px;
            left: 20px;
            background: var(--accent-green);
            color: #0B0D12;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }
        .cf-tier-card .tier-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .cf-tier-card .tier-price {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-green);
        }
        .cf-tier-card .tier-price span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-secondary);
        }
        .cf-tier-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .cf-tier-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding-left: 20px;
            position: relative;
            line-height: 1.6;
        }
        .cf-tier-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-green);
            font-weight: 700;
        }

        /* ============ 资讯区 ============ */
        .cf-news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
        }
        .cf-news-list li {
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
            transition: all var(--transition-fast);
        }
        .cf-news-list li:last-child {
            border-bottom: none;
        }
        .cf-news-list li a {
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .cf-news-list li a:hover {
            color: var(--accent-green);
        }
        .cf-news-list .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .cf-news-list .news-tag {
            flex-shrink: 0;
        }
        .cf-news-featured {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .cf-news-featured:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
        }
        .cf-news-featured .featured-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .cf-news-featured .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cf-news-featured .featured-body {
            padding: 18px 20px;
        }

        /* ============ 热播推荐 ============ */
        .cf-hot-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 16px;
        }
        .cf-hot-main {
            grid-row: span 2;
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
        }
        .cf-hot-main:hover,
        .cf-hot-small:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
        }
        .cf-hot-main img,
        .cf-hot-small img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cf-hot-main .hot-overlay,
        .cf-hot-small .hot-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 20px 16px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
        }
        .cf-hot-main .hot-overlay h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .cf-hot-main .hot-overlay p,
        .cf-hot-small .hot-overlay p {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .cf-hot-small {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
        }
        .cf-hot-small .hot-overlay {
            padding: 28px 14px 12px;
        }
        .cf-hot-small .hot-overlay h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .cf-hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-yellow);
            color: #0B0D12;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .cf-hot-badge.live {
            background: var(--accent-danger);
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .cf-hot-badge.live .pulse-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: cf-pulse 1.4s ease-in-out infinite;
        }

        /* ============ 议程时间线 ============ */
        .cf-timeline {
            list-style: none;
            position: relative;
            padding-left: 28px;
        }
        .cf-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            基: var(--border-color);
            border-radius: 2px;
        }
        .cf-timeline li {
            position: relative;
            padding: 0 0 28px 20px;
        }
        .cf-timeline li:last-child {
            padding-bottom: 0;
        }
        .cf-timeline li::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-green);
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 0 2px rgba(0, 229, 160, 0.3);
        }
        .cf-timeline .timeline-time {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--accent-green);
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }
        .cf-timeline .timeline-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .cf-timeline .timeline-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ 品牌介绍 ============ */
        .cf-brand-story {
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        .cf-brand-story::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .cf-brand-story h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .cf-brand-story p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 2;
            max-width: 800px;
        }

        /* ============ FAQ ============ */
        .cf-accordion .accordion-item {
            margin-bottom: 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-card);
        }
        .cf-accordion .accordion-title {
            background: var(--bg-card);
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 16px 20px;
            border: none;
            cursor: pointer;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background var(--transition-fast);
        }
        .cf-accordion .accordion-title:hover {
            background: rgba(0, 229, 160, 0.04);
        }
        .cf-accordion .accordion-title .arrow {
            transition: transform var(--transition-base);
            font-size: 14px;
            color: var(--text-secondary);
        }
        .cf-accordion .accordion-title[aria-expanded="true"] .arrow {
            transform: rotate(180deg);
            color: var(--accent-green);
        }
        .cf-accordion .accordion-content {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ============ CTA 区 ============ */
        .cf-cta {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.08) 0%, rgba(168, 85, 247, 0.06) 100%);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cf-cta h2 {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .cf-cta p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .cf-cta-form {
            display: flex;
            gap: 12px;
            max-width: 440px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cf-cta-form input {
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            flex: 1;
            min-width: 200px;
            transition: all var(--transition-fast);
        }
        .cf-cta-form input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
            outline: none;
        }

        /* ============ 页脚 ============ */
        .cf-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
            margin-top: 40px;
        }
        .cf-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .cf-footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cf-footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-purple) 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #0B0D12;
        }
        .cf-footer-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 280px;
        }
        .cf-footer h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .cf-footer ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .cf-footer ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .cf-footer ul li a:hover {
            color: var(--accent-green);
        }
        .cf-footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .cf-footer-social {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }
        .cf-footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 15px;
            transition: all var(--transition-fast);
        }
        .cf-footer-social a:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-2px);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .cf-hero-data-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .cf-hot-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cf-hot-main {
                grid-column: span 2;
                grid-row: span 1;
                aspect-ratio: 16 / 9;
            }
            .cf-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .cf-menu-desktop {
                display: none;
            }
            .cf-hamburger {
                display: block;
            }
            .cf-hero {
                min-height: auto;
                padding: 40px 0 60px;
            }
            .cf-hero h1 {
                font-size: 26px;
            }
            .cf-hero-data-bar {
                grid-template-columns: 1fr 1fr;
                padding: 16px;
            }
            .cf-hero-data-bar .data-value {
                font-size: 18px;
            }
            .cf-coupon-grid,
            .cf-tier-grid {
                grid-template-columns: 1fr;
            }
            .cf-timeline {
                padding-left: 20px;
            }
            .cf-timeline li {
                padding-left: 12px;
            }
            .cf-timeline li::before {
                left: -16px;
            }
            .cf-section {
                padding: 56px 0;
            }
            .cf-brand-story {
                padding: 24px;
            }
            .cf-cta {
                padding: 32px 20px;
            }
            .cf-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cf-compare-table-wrap {
                border-radius: var(--radius-card);
            }
        }

        @media (max-width: 520px) {
            .cf-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cf-hero-data-bar {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .cf-hero-actions {
                flex-direction: column;
            }
            .cf-hero-actions .cf-btn {
                width: 100%;
            }
            .cf-hot-grid {
                grid-template-columns: 1fr;
            }
            .cf-hot-main {
                grid-column: span 1;
            }
            .cf-cta-form {
                flex-direction: column;
            }
            .cf-cta-form input {
                width: 100%;
                min-width: 0;
            }
            .cf-btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0D12;
            --bg-secondary: #11151C;
            --bg-card: #161B22;
            --bg-input: #15181E;
            --text-primary: #ECEFF4;
            --text-secondary: #9AA3B2;
            --border-color: rgba(255, 255, 255, 0.08);
            --accent-green: #00E5A0;
            --accent-purple: #A855F7;
            --accent-yellow: #FACC15;
            --accent-danger: #EF4444;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(0, 229, 160, 0.12);
            --transition-fast: 160ms ease-out;
            --transition-base: 200ms ease-out;
            --font-zh: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'Barlow Condensed', 'Oswald', monospace;
            --container-max: 1200px;
            --container-pad: 24px;
            --accent: #00E5A0;
        }

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

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

        body {
            font-family: var(--font-zh);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: #33ffb8;
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .cf-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* 面包屑 */
        .cf-breadcrumbs-section {
            padding: 16px 0 8px;
            background-color: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
        }

        .cf-breadcrumbs {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 13px;
            color: var(--text-secondary);
            list-style: none;
        }

        .cf-breadcrumbs li {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .cf-breadcrumbs li:not(:last-child)::after {
            content: '/';
            color: var(--text-secondary);
            margin: 0 4px;
            opacity: 0.5;
        }

        .cf-breadcrumbs a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .cf-breadcrumbs a:hover {
            color: var(--accent-green);
        }

        .cf-breadcrumbs .current {
            color: var(--text-primary);
            font-weight: 600;
            pointer-events: none;
        }

        .cf-breadcrumbs .back-link {
            margin-left: auto;
            color: var(--accent-green);
            font-size: 12px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }

        .cf-breadcrumbs .back-link:hover {
            opacity: 0.8;
        }

        /* 分类页 Hero */
        .cf-cat-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 64px 0;
            margin-bottom: 32px;
        }

        .cf-cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 13, 18, 0.88) 0%, rgba(11, 13, 18, 0.72) 50%, rgba(11, 13, 18, 0.85) 100%);
            z-index: 1;
        }

        .cf-cat-hero .cf-container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .cf-cat-hero-inner {
            max-width: 720px;
        }

        .cf-cat-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.3);
            color: var(--accent-green);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .cf-cat-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .cf-cat-hero h1 .highlight {
            color: var(--accent-green);
        }

        .cf-cat-hero p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            max-width: 620px;
        }

        /* 工具条 */
        .cf-toolbar {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .cf-toolbar-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .cf-toolbar-filters {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            flex: 1;
        }

        .cf-filter-btn {
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 13px;
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-weight: 500;
        }

        .cf-filter-btn:hover {
            border-color: rgba(0, 229, 160, 0.5);
            color: var(--text-primary);
        }

        .cf-filter-btn.active {
            background: var(--accent-green);
            border-color: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
        }

        .cf-toolbar-sort {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cf-toolbar-sort select {
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 13px;
            padding: 7px 12px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: border-color var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239AA3B2' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 32px;
        }

        .cf-toolbar-sort select:focus {
            border-color: var(--accent-green);
        }

        /* 数据面板 */
        .cf-data-strip {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            margin-bottom: 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .cf-data-item {
            text-align: center;
            position: relative;
            padding: 8px 12px;
        }

        .cf-data-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -10px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border-color);
        }

        .cf-data-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .cf-data-item.accent-yellow .cf-data-value {
            color: var(--accent-yellow);
        }

        .cf-data-item.accent-purple .cf-data-value {
            color: var(--accent-purple);
        }

        .cf-data-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        /* 战队卡片列表 */
        .cf-section-title {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: 20px;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cf-section-title h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: -0.005em;
        }

        .cf-section-title .sub-note {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .cf-team-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .cf-team-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .cf-team-card:hover {
            transform: translateY(-2px);
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .cf-team-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-input);
        }

        .cf-team-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .cf-team-card:hover .card-img img {
            transform: scale(1.02);
        }

        .cf-team-card .card-img .rank-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 13, 18, 0.85);
            border: 1px solid rgba(0, 229, 160, 0.4);
            color: var(--accent-green);
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        .cf-team-card .card-img .status-dot {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.5);
            animation: statusPulse 1.6s ease-out infinite;
        }

        .cf-team-card .card-img .status-dot.inactive {
            background: var(--text-secondary);
            animation: none;
            box-shadow: none;
        }

        @keyframes statusPulse {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.5);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(0, 229, 160, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0);
            }
        }

        .cf-team-card .card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .cf-team-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .cf-team-card .card-title .team-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: var(--radius-pill);
            background: rgba(168, 85, 247, 0.15);
            color: var(--accent-purple);
            letter-spacing: 0.02em;
        }

        .cf-team-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }

        .cf-team-card .card-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 13px;
            font-family: var(--font-mono);
            color: var(--text-secondary);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }

        .cf-team-card .card-metrics span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .cf-team-card .card-metrics .metric-value {
            color: var(--accent-green);
            font-weight: 700;
        }

        .cf-team-card .card-metrics .metric-value.yellow {
            color: var(--accent-yellow);
        }

        /* 对比表格 */
        .cf-compare-section {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            margin-bottom: 40px;
            overflow-x: auto;
        }

        .cf-compare-section h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cf-compare-section .table-wrapper {
            overflow-x: auto;
        }

        .cf-compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }

        .cf-compare-table th {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            text-align: left;
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-color);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .cf-compare-table td {
            font-size: 14px;
            padding: 14px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-primary);
            font-family: var(--font-mono);
            white-space: nowrap;
        }

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

        .cf-compare-table td.team-cell {
            font-family: var(--font-zh);
            font-weight: 600;
            color: var(--text-primary);
        }

        .cf-compare-table .positive {
            color: var(--accent-green);
            font-weight: 700;
        }

        .cf-compare-table .warning {
            color: var(--accent-yellow);
            font-weight: 700;
        }

        .cf-compare-table .negative {
            color: var(--accent-danger);
            font-weight: 700;
        }

        /* 品牌介绍 */
        .cf-brand-intro {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            margin-bottom: 40px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 24px;
            align-items: center;
        }

        .cf-brand-intro .brand-text h2 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .cf-brand-intro .brand-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        .cf-brand-intro .brand-stat {
            text-align: center;
            padding: 16px 28px;
            background: rgba(0, 229, 160, 0.06);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: var(--radius-card);
        }

        .cf-brand-intro .brand-stat .num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .cf-brand-intro .brand-stat .label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* FAQ */
        .cf-faq-section {
            margin-bottom: 48px;
        }

        .cf-faq-section h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

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

        .cf-accordion-item {
            border-bottom: 1px solid var(--border-color);
        }

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

        .cf-accordion-item .accordion-header {
            width: 100%;
            background: var(--bg-card);
            border: none;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            text-align: left;
            transition: background var(--transition-fast);
            gap: 16px;
        }

        .cf-accordion-item .accordion-header:hover {
            background: var(--bg-input);
        }

        .cf-accordion-item .accordion-header .arrow {
            display: inline-block;
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--accent-green);
            font-size: 18px;
            line-height: 18px;
            text-align: center;
        }

        .cf-accordion-item .accordion-header.active .arrow {
            transform: rotate(180deg);
        }

        .cf-accordion-item .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
        }

        .cf-accordion-item .accordion-content.open {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .cf-accordion-item .accordion-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA */
        .cf-cta-band {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.08) 0%, rgba(168, 85, 247, 0.06) 50%, rgba(11, 13, 18, 0.9) 100%);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            margin-bottom: 48px;
            text-align: center;
        }

        .cf-cta-band h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .cf-cta-band p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

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

        .cf-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            text-decoration: none;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .cf-btn-primary {
            background: var(--accent-green);
            color: var(--bg-primary);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.2);
        }

        .cf-btn-primary:hover {
            background: #33ffb8;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0, 229, 160, 0.3);
            color: var(--bg-primary);
        }

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

        .cf-btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-1px);
        }

        /* 分页 */
        .cf-pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 8px;
            margin-bottom: 48px;
        }

        .cf-pagination {
            display: flex;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cf-pagination li a,
        .cf-pagination li span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 10px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }

        .cf-pagination li a:hover {
            border-color: rgba(0, 229, 160, 0.5);
            color: var(--accent-green);
        }

        .cf-pagination li.current span {
            background: var(--accent-green);
            border-color: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .cf-team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cf-data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cf-data-item:not(:last-child)::after {
                display: none;
            }
            .cf-brand-intro {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767px) {
            .cf-cat-hero {
                min-height: 240px;
                padding: 40px 0;
            }
            .cf-cat-hero h1 {
                font-size: 26px;
            }
            .cf-cat-hero p {
                font-size: 14px;
            }
            .cf-team-grid {
                grid-template-columns: 1fr;
            }
            .cf-data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 16px;
            }
            .cf-data-value {
                font-size: 24px;
            }
            .cf-toolbar {
                padding: 12px 14px;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
            }
            .cf-toolbar-filters {
                flex-wrap: nowrap;
                overflow-x: auto;
                gap: 6px;
            }
            .cf-filter-btn {
                font-size: 12px;
                padding: 6px 12px;
                flex-shrink: 0;
            }
            .cf-compare-section {
                padding: 16px;
            }
            .cf-brand-intro {
                padding: 24px 20px;
            }
            .cf-brand-intro .brand-stat .num {
                font-size: 28px;
            }
            .cf-cta-band {
                padding: 28px 20px;
            }
            .cf-cta-band h2 {
                font-size: 22px;
            }
            .cf-breadcrumbs .back-link {
                margin-left: 0;
                width: 100%;
                margin-top: 4px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-pad: 16px;
            }
            .cf-cat-hero {
                min-height: 200px;
                padding: 28px 0;
            }
            .cf-cat-hero h1 {
                font-size: 22px;
            }
            .cf-data-strip {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .cf-data-item {
                padding: 6px;
            }
            .cf-data-value {
                font-size: 22px;
            }
            .cf-btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .cf-cta-actions {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0D12;
            --bg-secondary: #11151C;
            --bg-card: #161B22;
            --bg-input: #15181E;
            --text-primary: #ECEFF4;
            --text-secondary: #9AA3B2;
            --border-color: rgba(255, 255, 255, 0.08);
            --accent-green: #00E5A0;
            --accent-purple: #A855F7;
            --accent-yellow: #FACC15;
            --accent-danger: #EF4444;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(0, 229, 160, 0.12);
            --transition-fast: 180ms ease-out;
            --transition-base: 220ms ease-out;
            --font-zh: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'Barlow Condensed', 'Oswald', monospace;
            --container-max: 1200px;
            --container-pad: 24px;
            --accent: #00E5A0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-green);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }
        .cf-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }
        /* 面包屑 */
        .cf-breadcrumbs-wrap {
            padding: 20px 0 12px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
        }
        .cf-breadcrumbs {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .cf-breadcrumbs a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .cf-breadcrumbs a:hover {
            color: var(--accent-green);
        }
        .cf-breadcrumbs .sep {
            color: rgba(255, 255, 255, 0.2);
            user-select: none;
        }
        .cf-breadcrumbs .current {
            color: var(--text-primary);
            font-weight: 600;
            pointer-events: none;
        }
        .cf-breadcrumbs .back-link {
            margin-left: auto;
            font-size: 13px;
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .cf-breadcrumbs .back-link:hover {
            color: #00ffb3;
        }
        /* 分类页主体 */
        .category-hero {
            position: relative;
            padding: 64px 0 72px;
            background: var(--bg-secondary);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 60%;
            height: 160%;
            background: radial-gradient(ellipse at center, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero .cf-container {
            position: relative;
            z-index: 1;
        }
        .category-hero .hero-content {
            max-width: 620px;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--accent-green);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .category-hero .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse 1.4s ease-out infinite;
        }
        @keyframes pulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.5); }
            50% { box-shadow: 0 0 0 6px rgba(0, 229, 160, 0); }
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 18px;
            color: var(--text-primary);
        }
        .category-hero h1 .highlight {
            color: var(--accent-green);
        }
        .category-hero .hero-sub {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-green);
            color: #0B0D12;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(0, 229, 160, 0.2);
        }
        .btn-primary:hover {
            background: #00ffb3;
            color: #0B0D12;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0, 229, 160, 0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-1px);
        }
        .hero-data-panel {
            background: rgba(22, 27, 34, 0.85);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-default);
            backdrop-filter: blur(10px);
        }
        .hero-data-panel .panel-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .hero-data-panel .panel-title .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-yellow);
        }
        .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            gap: 12px;
        }
        .match-row:last-child {
            border-bottom: none;
        }
        .match-team {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            min-width: 72px;
        }
        .match-score {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.02em;
        }
        .match-status {
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .match-status.live {
            background: rgba(250, 204, 21, 0.15);
            color: var(--accent-yellow);
        }
        .match-status.upcoming {
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
        }
        /* Section 通用 */
        .section {
            padding: 56px 0;
            background: var(--bg-primary);
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-purple);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }
        /* 功能卡片 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-default);
        }
        .feature-card:hover {
            transform: translateY(-2px);
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
        }
        .feature-card .icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 20px;
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid rgba(0, 229, 160, 0.2);
        }
        .feature-card .icon-wrap.purple {
            background: rgba(168, 85, 247, 0.08);
            border-color: rgba(168, 85, 247, 0.2);
        }
        .feature-card .icon-wrap.yellow {
            background: rgba(250, 204, 21, 0.08);
            border-color: rgba(250, 204, 21, 0.2);
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        /* 场景 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .scenario-card {
            position: relative;
            padding: 28px 26px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            overflow: hidden;
        }
        .scenario-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--accent-green);
        }
        .scenario-card.purple::before {
            background: var(--accent-purple);
        }
        .scenario-card.yellow::before {
            background: var(--accent-yellow);
        }
        .scenario-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        /* 流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            counter-reset: step;
        }
        .process-step {
            position: relative;
            padding: 24px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
        }
        .process-step:hover {
            border-color: rgba(0, 229, 160, 0.4);
        }
        .process-step .step-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-green);
            opacity: 0.6;
            margin-bottom: 10px;
            line-height: 1;
        }
        .process-step h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* 数据面板大图 */
        .data-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .data-showcase .info h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .data-showcase .info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 10px;
        }
        .data-showcase .info .key-points {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .data-showcase .info .key-points li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .data-showcase .info .key-points li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
        }
        .data-showcase .visual {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-default);
        }
        .data-showcase .visual .bar-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .data-showcase .visual .bar-row:last-child {
            margin-bottom: 0;
        }
        .data-showcase .visual .bar-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            min-width: 96px;
            white-space: nowrap;
        }
        .data-showcase .visual .bar-bg {
            flex: 1;
            height: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }
        .data-showcase .visual .bar-fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: var(--accent-green);
            transition: width 0.8s ease-out;
        }
        .data-showcase .visual .bar-fill.purple {
            background: var(--accent-purple);
        }
        .data-showcase .visual .bar-fill.yellow {
            background: var(--accent-yellow);
        }
        .data-showcase .visual .bar-val {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            min-width: 40px;
            text-align: right;
        }
        /* 品牌介绍 */
        .brand-intro {
            padding: 48px 0;
            background: var(--bg-secondary);
        }
        .brand-intro-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-default);
            position: relative;
            overflow: hidden;
        }
        .brand-intro-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-green), var(--accent-purple));
        }
        .brand-intro-card h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .brand-intro-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
        }
        .brand-intro-card p+p {
            margin-top: 12px;
        }
        .brand-intro-card p strong {
            color: var(--accent-green);
            font-weight: 600;
        }
        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #15181E;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(0, 229, 160, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            user-select: none;
            list-style: none;
        }
        .faq-question:hover {
            color: var(--accent-green);
        }
        .faq-question .arrow {
            flex-shrink: 0;
            margin-left: 16px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: transform var(--transition-fast);
        }
        .faq-item.active .faq-question .arrow {
            transform: rotate(180deg);
            color: var(--accent-green);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        /* CTA */
        .cta-section {
            padding: 64px 0;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 120%;
            background: radial-gradient(ellipse at center, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .cf-container {
            position: relative;
            z-index: 1;
        }
        .cta-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 229, 160, 0.25);
            border-radius: var(--radius-card);
            padding: 44px 36px;
            text-align: center;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }
        .cta-card h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto 24px;
        }
        .cta-card .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-green);
            color: #0B0D12;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(0, 229, 160, 0.25);
        }
        .cta-card .cta-button:hover {
            background: #00ffb3;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(0, 229, 160, 0.35);
            color: #0B0D12;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero {
                padding: 40px 0 48px;
            }
            .hero-data-panel {
                margin-top: 24px;
            }
            .data-showcase {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .cta-card {
                padding: 30px 20px;
            }
        }
        @media (max-width: 520px) {
            .cf-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .cf-breadcrumbs {
                font-size: 13px;
            }
            .cf-breadcrumbs .back-link {
                margin-left: 0;
                width: 100%;
                margin-top: 4px;
            }
            .match-row {
                flex-wrap: wrap;
                gap: 6px;
            }
            .match-score {
                font-size: 16px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B0D12;
            --bg-secondary: #11151C;
            --bg-card: #161B22;
            --bg-input: #15181E;
            --text-primary: #ECEFF4;
            --text-secondary: #9AA3B2;
            --border-color: rgba(255, 255, 255, 0.08);
            --accent-green: #00E5A0;
            --accent-purple: #A855F7;
            --accent-yellow: #FACC15;
            --accent-danger: #EF4444;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(0, 229, 160, 0.12);
            --transition-fast: 170ms ease-out;
            --transition-base: 210ms ease-out;
            --font-zh: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'Barlow Condensed', 'Oswald', monospace;
            --container-max: 1200px;
            --container-pad: 24px;
            --accent: #00E5A0;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-zh);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            min-height: 100vh;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-zh);
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        ::selection {
            background: rgba(0, 229, 160, 0.25);
            color: var(--text-primary);
        }

        .cf-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        .cf-header {
            background: rgba(11, 13, 18, 0.96);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 99;
            transition: box-shadow var(--transition-base);
        }

        .cf-header.scrolled {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
        }

        .cf-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .cf-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-green), #00b882);
            color: #0B0D12;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .brand-text {
            line-height: 1.2;
        }

        .cf-nav {
            display: flex;
            align-items: center;
            gap: 22px;
        }

        .cf-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            position: relative;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }

        .cf-nav a:hover {
            color: var(--text-primary);
        }

        .cf-nav a.active {
            color: var(--accent-green);
            border-bottom-color: var(--accent-green);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background-color var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(320px, 85vw);
            background: var(--bg-secondary);
            border-left: 1px solid var(--border-color);
            z-index: 200;
            padding: 24px;
            transform: translateX(100%);
            transition: transform var(--transition-base);
            box-shadow: -12px 0 32px rgba(0, 0, 0, 0.5);
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .mobile-drawer-close {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 20px;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 8px;
            transition: background-color var(--transition-fast);
        }

        .mobile-drawer-close:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-drawer nav a {
            font-size: 16px;
            padding: 12px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .mobile-drawer nav a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
        }

        .mobile-drawer nav a.active {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-green);
            border-left-color: var(--accent-green);
            font-weight: 600;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 150;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .drawer-overlay.visible {
            opacity: 1;
        }

        .breadcrumbs-wrapper {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
        }

        .breadcrumbs-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }

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

        .breadcrumbs-custom a:hover {
            color: var(--accent-green);
        }

        .breadcrumbs-custom .separator {
            color: var(--border-color);
            user-select: none;
        }

        .breadcrumbs-custom .current {
            color: var(--text-primary);
            font-weight: 600;
            pointer-events: none;
        }

        .breadcrumbs-custom .back-link {
            margin-left: auto;
            color: var(--accent-green);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .breadcrumbs-custom .back-link:hover {
            color: #00ffb3;
        }

        .page-hero {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 72px 0 64px;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 13, 18, 0.93) 0%, rgba(11, 13, 18, 0.78) 50%, rgba(11, 13, 18, 0.88) 100%);
            z-index: 1;
        }

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

        .hero-banner-content {
            max-width: 780px;
        }

        .hero-banner-content h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 18px;
        }

        .hero-banner-content .subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 720px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-green);
            color: #0B0D12;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(0, 229, 160, 0.25);
        }

        .btn-primary:hover {
            background: #00ffb3;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0, 229, 160, 0.35);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--text-secondary);
            color: var(--text-primary);
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-1px);
        }

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

        .hero-trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-secondary);
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .trust-item i {
            color: var(--accent-green);
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
            max-width: 720px;
        }

        .top-meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(168, 85, 247, 0.15);
            color: var(--accent-purple);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .tag-pill.yellow {
            background: rgba(250, 204, 21, 0.12);
            color: var(--accent-yellow);
        }

        .tag-pill.green {
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent-green);
        }

        .metric-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 16px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-default);
            transition: all var(--transition-base);
        }

        .metric-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .metric-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

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

        .feature-split .feature-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            aspect-ratio: 16/9;
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border-color);
        }

        .feature-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .feature-content p {
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.9;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 20px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-primary);
        }

        .feature-list li i {
            color: var(--accent-green);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .tier-chart {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-default);
        }

        .tier-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-color);
            flex-wrap: wrap;
        }

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

        .tier-badge {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .tier-badge.s { background: rgba(0, 229, 160, 0.15); color: var(--accent-green); }
        .tier-badge.a { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }
        .tier-badge.b { background: rgba(250, 204, 21, 0.15); color: var(--accent-yellow); }

        .tier-info {
            flex: 1;
            min-width: 200px;
        }

        .tier-info .tier-name {
            font-weight: 700;
            font-size: 15px;
        }

        .tier-info .tier-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .tier-stats {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--accent-green);
            text-align: right;
        }

        .small-note {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 12px;
        }

        .tactic-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 16px;
        }

        .tactic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .tactic-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .tactic-card-image {
            aspect-ratio: 16/9;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .tactic-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 13, 18, 0.6) 100%);
        }

        .tactic-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .tactic-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
        }

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

        .tactic-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-secondary);
        }

        .tactic-card-footer .winrate {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-green);
        }

        .timeline-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 16px;
        }

        .flow-step {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-default);
            transition: all var(--transition-base);
            position: relative;
        }

        .flow-step:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .flow-step-number {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-green);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .flow-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .accordion-custom {
            max-width: 840px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: border-color var(--transition-fast);
        }

        .accordion-item:hover {
            border-color: rgba(0, 229, 160, 0.35);
        }

        .accordion-header {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-primary);
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            transition: background-color var(--transition-fast);
        }

        .accordion-header:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .accordion-header i {
            color: var(--accent-green);
            transition: transform var(--transition-base);
        }

        .accordion-item.expanded .accordion-header i {
            transform: rotate(180deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .accordion-content-inner {
            padding: 0 20px 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .cta-band {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.08) 0%, rgba(11, 13, 18, 0.95) 60%, rgba(168, 85, 247, 0.06) 100%);
            border: 1px solid rgba(0, 229, 160, 0.15);
            border-radius: var(--radius-card);
            padding: 44px 40px;
            text-align: center;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }

        .cta-band h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-band p {
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.9;
        }

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

        .cf-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
            margin-top: 0;
        }

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

        .cf-footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cf-footer-brand p {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.8;
            max-width: 320px;
        }

        .cf-footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cf-footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 13px;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

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

        .cf-footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-secondary);
        }

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

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

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .social-links a:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .metric-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tactic-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline-flow {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-split {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .cf-nav {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .mobile-drawer {
                display: block;
            }

            .drawer-overlay.visible {
                display: block;
            }

            .page-hero {
                padding: 48px 0;
            }

            .hero-banner-content h1 {
                font-size: 28px;
            }

            .section {
                padding: 56px 0;
            }

            .section-heading h2 {
                font-size: 22px;
            }

            .cf-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --container-pad: 16px;
            }

            .metric-cards-grid {
                grid-template-columns: 1fr;
            }

            .tactic-cards-grid {
                grid-template-columns: 1fr;
            }

            .timeline-flow {
                grid-template-columns: 1fr;
            }

            .hero-banner-content h1 {
                font-size: 26px;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .cta-band {
                padding: 28px 20px;
            }

            .cf-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cf-footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .breadcrumbs-custom .back-link {
                margin-left: 0;
                width: 100%;
                margin-top: 4px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0D12;
            --bg-secondary: #11151C;
            --bg-card: #161B22;
            --bg-input: #15181E;
            --text-primary: #ECEFF4;
            --text-secondary: #9AA3B2;
            --border-color: rgba(255, 255, 255, 0.08);
            --accent-green: #00E5A0;
            --accent-purple: #A855F7;
            --accent-yellow: #FACC15;
            --accent-danger: #EF4444;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(0, 229, 160, 0.12);
            --transition-fast: 160ms ease-out;
            --transition-base: 200ms ease-out;
            --font-zh: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'Barlow Condensed', 'Oswald', monospace;
            --container-max: 1200px;
            --container-pad: 24px;
            --accent: #00E5A0;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-zh);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-zh);
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .cf-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* 面包屑 */
        .cf-breadcrumb-wrap {
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
            position: relative;
            z-index: 5;
        }

        .cf-breadcrumb-wrap .cf-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .breadcrumbs {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            margin: 0;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .breadcrumbs li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumbs li:not(:last-child)::after {
            content: '/';
            color: rgba(255, 255, 255, 0.3);
            font-size: 12px;
            margin-left: 2px;
        }

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

        .breadcrumbs li a:hover {
            color: var(--accent-green);
        }

        .breadcrumbs li.current {
            color: var(--text-primary);
            font-weight: 600;
            pointer-events: none;
        }

        .breadcrumb-back {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .breadcrumb-back:hover {
            color: var(--accent-green);
        }

        .breadcrumb-back .arrow-left {
            display: inline-block;
            font-size: 11px;
            transition: transform var(--transition-fast);
        }

        .breadcrumb-back:hover .arrow-left {
            transform: translateX(-3px);
        }

        /* Hero 区块 */
        .version-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
        }

        .version-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 13, 18, 0.92) 0%, rgba(11, 13, 18, 0.75) 45%, rgba(11, 13, 18, 0.55) 100%);
            z-index: 1;
        }

        .version-hero .cf-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-copy .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(168, 85, 247, 0.18);
            border: 1px solid rgba(168, 85, 247, 0.4);
            color: #C084FC;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-copy h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .hero-copy h1 .highlight {
            color: var(--accent-green);
        }

        .hero-copy .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 32px;
        }

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

        .btn-primary {
            background-color: var(--accent-green);
            color: #0B0D12;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background-color: #00F5AE;
            color: #0B0D12;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(0, 229, 160, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--text-secondary);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-1px);
        }

        .hero-data-panel {
            background: rgba(22, 27, 34, 0.88);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-default);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .hero-data-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .hero-data-panel .panel-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-green);
            position: relative;
        }

        .pulse-dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid var(--accent-green);
            animation: pulse-ring 1.4s ease-out infinite;
        }

        @keyframes pulse-ring {
            0% {
                transform: scale(0.6);
                opacity: 1;
            }
            100% {
                transform: scale(1.5);
                opacity: 0;
            }
        }

        .hero-data-panel .panel-time {
            font-size: 12px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
        }

        .hero-data-panel .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-data-panel .data-row:last-of-type {
            border-bottom: none;
        }

        .hero-data-panel .data-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .hero-data-panel .data-value {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-green);
        }

        .hero-data-panel .data-value.negative {
            color: var(--accent-danger);
        }

        /* 卖点区块 */
        .feature-section {
            padding: 80px 0;
            background-color: var(--bg-primary);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            grid-column: span 4;
        }

        .feature-card:nth-child(1) {
            grid-column: span 5;
            background: linear-gradient(145deg, #161B22 0%, #1A2029 100%);
        }

        .feature-card:nth-child(2) {
            grid-column: span 4;
            background: linear-gradient(145deg, #161B22 0%, #1E1725 100%);
        }

        .feature-card:nth-child(3) {
            grid-column: span 3;
            background: linear-gradient(145deg, #161B22 0%, #101820 100%);
        }

        .feature-card:nth-child(4) {
            grid-column: span 5;
            background: linear-gradient(145deg, #161B22 0%, #141B22 100%);
        }

        .feature-card:nth-child(5) {
            grid-column: span 4;
            background: linear-gradient(145deg, #161B22 0%, #1B1523 100%);
        }

        .feature-card:nth-child(6) {
            grid-column: span 3;
            background: linear-gradient(145deg, #161B22 0%, #12151D 100%);
        }

        .feature-card:hover {
            transform: translateY(-2px);
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .feature-card .card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 18px;
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
            border: 1px solid rgba(0, 229, 160, 0.25);
        }

        .feature-card:nth-child(even) .card-icon {
            background: rgba(168, 85, 247, 0.1);
            color: #C084FC;
            border-color: rgba(168, 85, 247, 0.25);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
            line-height: 1.4;
        }

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

        /* 场景区块 */
        .scene-section {
            padding: 80px 0;
            background-color: var(--bg-secondary);
        }

        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            transition: all var(--transition-base);
            position: relative;
        }

        .scene-card:hover {
            border-color: rgba(168, 85, 247, 0.5);
            transform: translateY(-2px);
        }

        .scene-card .scene-number {
            font-family: var(--font-mono);
            font-size: 48px;
            font-weight: 700;
            color: rgba(0, 229, 160, 0.15);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .scene-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

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

        .scene-card .scene-tags {
            display: flex;
            gap: 8px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .tag {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .tag-purple {
            background: rgba(168, 85, 247, 0.15);
            color: #C084FC;
            border: 1px solid rgba(168, 85, 247, 0.3);
        }

        .tag-green {
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(0, 229, 160, 0.3);
        }

        .tag-yellow {
            background: rgba(250, 204, 21, 0.12);
            color: var(--accent-yellow);
            border: 1px solid rgba(250, 204, 21, 0.3);
        }

        /* 流程区块 */
        .process-section {
            padding: 80px 0;
            background-color: var(--bg-primary);
        }

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

        .process-step {
            text-align: left;
            padding: 24px;
            border-radius: var(--radius-card);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
        }

        .process-step:hover {
            border-color: rgba(0, 229, 160, 0.4);
            transform: translateY(-2px);
        }

        .process-step .step-indicator {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent-green);
            color: #0B0D12;
            font-weight: 800;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-family: var(--font-mono);
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 数据展示区块 */
        .data-showcase {
            padding: 80px 0;
            background-color: var(--bg-secondary);
        }

        .data-showcase-content {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 40px;
            align-items: center;
        }

        .data-showcase-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-default);
        }

        .data-showcase-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.4s ease-out;
        }

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

        .data-showcase-text h2 {
            font-size: clamp(22px, 2.5vw, 28px);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .data-showcase-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .metric-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .metric-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .metric-list li .metric-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
            flex-shrink: 0;
        }

        .metric-list li:nth-child(even) .metric-dot {
            background: var(--accent-purple);
        }

        .metric-list li strong {
            color: var(--text-primary);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background-color: var(--bg-primary);
        }

        .faq-section .cf-container {
            max-width: 820px;
        }

        .faq-section .section-header {
            text-align: center;
        }

        .faq-section .section-header p {
            margin: 0 auto;
        }

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

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

        .faq-item:hover {
            border-color: rgba(0, 229, 160, 0.3);
        }

        .faq-item details {
            cursor: pointer;
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: color var(--transition-fast);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 20px;
            font-weight: 400;
            color: var(--text-secondary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item[open] summary::after {
            content: '×';
            transform: rotate(45deg);
            color: var(--accent-green);
        }

        .faq-item summary:hover {
            color: var(--accent-green);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 700px;
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(145deg, #0B0D12 0%, #11151C 50%, #0B0D12 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input[type="email"] {
            flex: 1;
            min-width: 240px;
            padding: 14px 18px;
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }

        .cta-form input[type="email"]::placeholder {
            color: rgba(154, 163, 178, 0.6);
        }

        .cta-form .btn-primary {
            padding: 14px 28px;
            white-space: nowrap;
        }

        .cta-note {
            font-size: 12px;
            color: rgba(154, 163, 178, 0.7);
        }

        /* 品牌介绍 */
        .brand-about {
            padding: 60px 0;
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
        }

        .brand-about-content {
            display: grid;
            grid-template-columns: 0.4fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .brand-about-logo {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.2;
        }

        .brand-about-logo .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-purple) 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0B0D12;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .brand-about-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .brand-about-text p:last-child {
            margin-bottom: 0;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .version-hero .cf-container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-data-panel {
                max-width: 520px;
            }

            .feature-card:nth-child(1),
            .feature-card:nth-child(2),
            .feature-card:nth-child(3),
            .feature-card:nth-child(4),
            .feature-card:nth-child(5),
            .feature-card:nth-child(6) {
                grid-column: span 6;
            }

            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .data-showcase-content {
                grid-template-columns: 1fr;
            }

            .brand-about-content {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --container-pad: 16px;
            }

            .version-hero {
                min-height: auto;
                padding: 56px 0;
            }

            .hero-copy h1 {
                font-size: 28px;
            }

            .feature-card:nth-child(1),
            .feature-card:nth-child(2),
            .feature-card:nth-child(3),
            .feature-card:nth-child(4),
            .feature-card:nth-child(5),
            .feature-card:nth-child(6) {
                grid-column: span 12;
            }

            .scene-grid {
                grid-template-columns: 1fr;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .section-header p {
                font-size: 14px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .cf-breadcrumb-wrap .cf-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }

            .breadcrumb-back {
                align-self: flex-end;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input[type="email"] {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero-copy h1 {
                font-size: 24px;
            }

            .hero-copy .hero-subtitle {
                font-size: 14px;
            }

            .hero-data-panel {
                padding: 20px;
            }

            .feature-card {
                padding: 20px;
            }

            .scene-card {
                padding: 24px 20px;
            }

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

            .section-header h2 {
                font-size: 20px;
            }

            .process-step {
                padding: 18px;
            }
        }

/* roulang page: category5 */
:root {
      --bg-primary: #0B0D12;
      --bg-secondary: #11151C;
      --bg-card: #161B22;
      --bg-input: #15181E;
      --text-primary: #ECEFF4;
      --text-secondary: #9AA3B2;
      --border-color: rgba(255, 255, 255, 0.08);
      --accent-green: #00E5A0;
      --accent-purple: #A855F7;
      --accent-yellow: #FACC15;
      --accent-danger: #EF4444;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-pill: 999px;
      --shadow-default: 0 8px 24px rgba(0, 0, 0, 0.35);
      --shadow-hover: 0 12px 32px rgba(0, 229, 160, 0.12);
      --transition-fast: 200ms ease-out;
      --transition-base: 220ms ease-out;
      --font-zh: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', sans-serif;
      --font-mono: 'DIN Alternate', 'Roboto Mono', 'Barlow Condensed', 'Oswald', 'JetBrains Mono', monospace;
      --container-max: 1200px;
      --container-pad: 24px;
      --accent: #00E5A0;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      background-color: var(--bg-primary);
      color: var(--text-primary);
      font-family: var(--font-zh);
      font-size: 16px;
      line-height: 1.8;
      letter-spacing: 0.01em;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      min-height: 100vh;
    }

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

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

    a:hover {
      color: var(--text-primary);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    .accordion-title:focus-visible {
      outline: 2px solid var(--accent-green);
      outline-offset: 2px;
    }

    .cf-container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: var(--container-pad);
      padding-right: var(--container-pad);
    }

    /* Header & Nav */
    .cf-header {
      background: var(--bg-primary);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
      transition: background var(--transition-fast);
    }

    .cf-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      flex-wrap: wrap;
      gap: 12px;
    }

    .cf-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 20px;
      color: var(--text-primary);
      letter-spacing: 0.02em;
      transition: color var(--transition-fast);
    }

    .cf-brand:hover {
      color: var(--accent-green);
    }

    .brand-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-purple) 60%, #0B0D12 100%);
      border-radius: 8px;
      font-size: 18px;
      color: #0B0D12;
      flex-shrink: 0;
      position: relative;
    }

    .brand-icon::after {
      content: '';
      position: absolute;
      inset: 3px;
      border-radius: 5px;
      border: 1px solid rgba(11, 13, 18, 0.3);
      pointer-events: none;
    }

    .brand-text {
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
    }

    .nav-links a {
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: var(--radius-btn);
      letter-spacing: 0.02em;
      position: relative;
      transition: color var(--transition-fast), background var(--transition-fast);
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text-primary);
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-links a.active {
      color: var(--accent-green);
      background: rgba(0, 229, 160, 0.08);
    }

    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 14px;
      right: 14px;
      height: 2px;
      background: var(--accent-green);
      border-radius: 2px;
    }

    .nav-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      color: var(--text-primary);
      font-size: 20px;
      padding: 6px 12px;
      border-radius: 6px;
      cursor: pointer;
      transition: border-color var(--transition-fast), color var(--transition-fast);
      line-height: 1;
    }

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

    /* Mobile drawer */
    .mobile-drawer {
      display: none;
      background: var(--bg-secondary);
      border-top: 1px solid var(--border-color);
      padding: 12px 0;
    }

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

    .mobile-drawer a {
      display: block;
      padding: 12px 0;
      color: var(--text-secondary);
      font-size: 15px;
      font-weight: 500;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      transition: color var(--transition-fast), padding-left var(--transition-fast);
    }

    .mobile-drawer a:hover,
    .mobile-drawer a.active {
      color: var(--accent-green);
      padding-left: 8px;
    }

    .mobile-drawer a:last-child {
      border-bottom: none;
    }

    /* Breadcrumbs */
    .cf-breadcrumb-wrap {
      background: var(--bg-secondary);
      border-bottom: 1px solid var(--border-color);
      padding: 10px 0;
    }

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

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

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

    .cf-breadcrumb .sep {
      color: rgba(255, 255, 255, 0.2);
      font-size: 12px;
    }

    .cf-breadcrumb .current {
      color: var(--text-primary);
      font-weight: 500;
    }

    .cf-breadcrumb .back-link {
      margin-left: auto;
      color: var(--accent-green);
      font-weight: 500;
      font-size: 13px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: color var(--transition-fast);
    }

    .cf-breadcrumb .back-link:hover {
      color: var(--text-primary);
    }

    /* Hero / Banner */
    .hero-banner {
      position: relative;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center center;
      background-repeat: no-repeat;
      min-height: 460px;
      display: flex;
      align-items: center;
      padding: 72px 0 56px;
      overflow: hidden;
    }

    .hero-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 13, 18, 0.55) 0%, rgba(11, 13, 18, 0.82) 60%, var(--bg-primary) 100%);
      pointer-events: none;
    }

    .hero-banner .cf-container {
      position: relative;
      z-index: 2;
      width: 100%;
    }

    .hero-banner h1 {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.01em;
      color: #fff;
      margin-bottom: 16px;
      max-width: 760px;
    }

    .hero-banner h1 .highlight {
      color: var(--accent-green);
    }

    .hero-banner .subtitle {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(236, 239, 244, 0.85);
      max-width: 660px;
      margin-bottom: 28px;
    }

    .hero-banner .hero-cta {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }

    .btn-primary,
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 26px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 600;
      letter-spacing: 0.02em;
      border: none;
      cursor: pointer;
      transition: all var(--transition-fast);
      line-height: 1.2;
      text-align: center;
      justify-content: center;
    }

    .btn-primary {
      background: var(--accent-green);
      color: #0B0D12;
    }

    .btn-primary:hover {
      background: #00f0b0;
      color: #0B0D12;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 229, 160, 0.3);
    }

    .btn-secondary {
      background: transparent;
      border: 1px solid rgba(236, 239, 244, 0.3);
      color: var(--text-primary);
    }

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

    .hero-live-panel {
      background: rgba(22, 27, 34, 0.9);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-card);
      padding: 20px 22px;
      max-width: 520px;
      box-shadow: var(--shadow-default);
      backdrop-filter: blur(8px);
    }

    .hero-live-panel .panel-label {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--text-secondary);
      margin-bottom: 10px;
    }

    .live-match-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .live-match {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 8px 10px;
      background: rgba(255, 255, 255, 0.03);
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }

    .live-match .teams {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      font-size: 14px;
      flex: 1;
      min-width: 0;
    }

    .live-match .score {
      font-family: var(--font-mono);
      font-weight: 700;
      font-size: 16px;
      color: var(--accent-yellow);
      letter-spacing: 0.04em;
    }

    .live-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-green);
      margin-right: 6px;
      animation: pulse-dot 1.2s ease-in-out infinite;
      flex-shrink: 0;
    }

    @keyframes pulse-dot {
      0%, 100% {
        opacity: 1;
        transform: scale(1);
      }
      50% {
        opacity: 0.4;
        transform: scale(1.6);
      }
    }

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

    .section-header {
      margin-bottom: 36px;
    }

    .section-header h2 {
      font-size: 26px;
      font-weight: 700;
      line-height: 1.25;
      color: var(--text-primary);
      letter-spacing: -0.01em;
      margin-bottom: 10px;
    }

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

    .section-header p {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 680px;
    }

    /* Data strip */
    .data-strip {
      background: var(--bg-secondary);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 20px 0;
      overflow-x: auto;
    }

    .data-strip .strip-grid {
      display: flex;
      gap: 16px;
      flex-wrap: nowrap;
      min-width: max-content;
    }

    .data-chip {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-btn);
      padding: 8px 16px;
      font-size: 13px;
      color: var(--text-secondary);
      white-space: nowrap;
    }

    .data-chip .chip-value {
      font-family: var(--font-mono);
      font-weight: 700;
      font-size: 15px;
      color: var(--accent-green);
    }

    .data-chip .chip-label {
      color: var(--text-secondary);
    }

    /* Asymmetric features */
    .features-section {
      background: var(--bg-primary);
    }

    .features-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: start;
    }

    .feature-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-card);
      padding: 24px 22px;
      box-shadow: var(--shadow-default);
      transition: all var(--transition-fast);
      position: relative;
      overflow: hidden;
    }

    .feature-item:hover {
      transform: translateY(-2px);
      border-color: rgba(0, 229, 160, 0.5);
      box-shadow: var(--shadow-hover);
    }

    .feature-item .feature-icon {
      font-size: 22px;
      color: var(--accent-purple);
      margin-bottom: 12px;
      display: inline-block;
    }

    .feature-item h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 8px;
      line-height: 1.4;
    }

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

    .feature-item .tag {
      display: inline-block;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      background: rgba(168, 85, 247, 0.15);
      color: var(--accent-purple);
      margin-bottom: 10px;
      letter-spacing: 0.04em;
    }

    /* Table / Data panel */
    .data-table-section {
      background: var(--bg-secondary);
      padding: 56px 0;
    }

    .data-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-default);
      overflow-x: auto;
    }

    .data-panel .panel-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .data-panel .panel-title .live-badge {
      font-size: 11px;
      font-weight: 600;
      background: rgba(0, 229, 160, 0.12);
      color: var(--accent-green);
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

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

    .data-table th,
    .data-table td {
      padding: 10px 12px;
      text-align: left;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      white-space: nowrap;
    }

    .data-table th {
      color: var(--text-secondary);
      font-weight: 600;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      background: rgba(255, 255, 255, 0.02);
    }

    .data-table td {
      color: var(--text-primary);
      font-size: 14px;
    }

    .data-table .mono-num {
      font-family: var(--font-mono);
      font-weight: 700;
      color: var(--accent-yellow);
    }

    .data-table .win-rate-high {
      font-family: var(--font-mono);
      font-weight: 700;
      color: var(--accent-green);
    }

    /* Flow steps */
    .flow-section {
      background: var(--bg-primary);
      padding: 64px 0;
    }

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

    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-card);
      padding: 22px 18px 20px;
      box-shadow: var(--shadow-default);
      text-align: center;
      transition: all var(--transition-fast);
      position: relative;
    }

    .step-card:hover {
      transform: translateY(-2px);
      border-color: rgba(0, 229, 160, 0.5);
      box-shadow: var(--shadow-hover);
    }

    .step-card .step-num {
      font-family: var(--font-mono);
      font-size: 32px;
      font-weight: 800;
      color: var(--accent-green);
      display: block;
      margin-bottom: 8px;
      line-height: 1;
    }

    .step-card h3 {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 6px;
    }

    .step-card p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* Scenario cards */
    .scenario-section {
      background: var(--bg-secondary);
      padding: 64px 0;
    }

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

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

    .scenario-card:hover {
      transform: translateY(-2px);
      border-color: rgba(0, 229, 160, 0.5);
      box-shadow: var(--shadow-hover);
    }

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

    .scenario-card .card-body {
      padding: 18px 20px 20px;
    }

    .scenario-card h3 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 6px;
      line-height: 1.4;
    }

    .scenario-card p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    .scenario-card .tag-row {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      margin-bottom: 10px;
    }

    .scenario-card .tag {
      font-size: 11px;
      font-weight: 500;
      padding: 2px 10px;
      border-radius: var(--radius-pill);
      background: rgba(250, 204, 21, 0.12);
      color: var(--accent-yellow);
      letter-spacing: 0.03em;
    }

    /* FAQ */
    .faq-section {
      background: var(--bg-primary);
      padding: 64px 0;
    }

    .faq-section .accordion {
      background: transparent;
    }

    .faq-section .accordion-item {
      margin-bottom: 10px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-btn);
      overflow: hidden;
      background: #15181E;
    }

    .faq-section .accordion-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      padding: 16px 20px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      transition: color var(--transition-fast), background var(--transition-fast);
      line-height: 1.5;
    }

    .faq-section .accordion-title:hover {
      color: var(--accent-green);
      background: rgba(255, 255, 255, 0.02);
    }

    .faq-section .accordion-title .arrow {
      font-size: 14px;
      color: var(--text-secondary);
      transition: transform var(--transition-fast);
      flex-shrink: 0;
    }

    .faq-section .accordion-item.is-active .accordion-title .arrow {
      transform: rotate(180deg);
      color: var(--accent-green);
    }

    .faq-section .accordion-content {
      padding: 0 20px 18px;
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.8;
      display: none;
    }

    .faq-section .accordion-item.is-active .accordion-content {
      display: block;
    }

    /* Brand intro + CTA */
    .brand-cta-section {
      background: linear-gradient(135deg, rgba(0, 229, 160, 0.06) 0%, rgba(168, 85, 247, 0.06) 50%, rgba(11, 13, 18, 0.9) 100%);
      padding: 64px 0;
      position: relative;
      overflow: hidden;
    }

    .brand-cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 160, 0.08) 0%, transparent 60%);
      pointer-events: none;
    }

    .brand-cta-section .cf-container {
      position: relative;
      z-index: 2;
    }

    .brand-cta-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }

    .brand-intro h2 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .brand-intro p {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.9;
      margin-bottom: 10px;
    }

    .cta-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-card);
      padding: 28px 26px;
      box-shadow: var(--shadow-default);
      text-align: center;
    }

    .cta-box h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    .cta-box p {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .cta-box .btn-primary {
      width: 100%;
      justify-content: center;
    }

    /* Footer */
    .cf-footer {
      background: var(--bg-primary);
      border-top: 1px solid var(--border-color);
      padding: 44px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 24px;
      margin-bottom: 28px;
    }

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

    .footer-brand p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 12px;
    }

    .footer-col h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 12px;
      letter-spacing: 0.02em;
    }

    .footer-col a {
      display: block;
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 6px;
      transition: color var(--transition-fast);
      line-height: 1.6;
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
      font-size: 12px;
      color: var(--text-secondary);
      text-align: center;
      letter-spacing: 0.03em;
    }

    /* Responsive */
    @media screen and (max-width: 1024px) {
      .hero-banner h1 {
        font-size: 32px;
      }
      .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media screen and (max-width: 768px) {
      .cf-nav {
        padding: 10px 0;
      }
      .nav-links {
        display: none;
      }
      .nav-toggle {
        display: inline-block;
      }
      .hero-banner {
        min-height: auto;
        padding: 52px 0 40px;
        background-position: top center;
      }
      .hero-banner h1 {
        font-size: 26px;
        line-height: 1.3;
      }
      .hero-banner .subtitle {
        font-size: 15px;
      }
      .hero-live-panel {
        max-width: 100%;
        padding: 16px 14px;
      }
      section {
        padding: 44px 0;
      }
      .features-grid {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .steps-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }
      .scenario-grid {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .brand-cta-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 18px;
      }
      .cf-breadcrumb .back-link {
        margin-left: 0;
      }
    }

    @media screen and (max-width: 520px) {
      :root {
        --container-pad: 16px;
      }
      .hero-banner h1 {
        font-size: 22px;
      }
      .section-header h2 {
        font-size: 21px;
      }
      .btn-primary,
      .btn-secondary {
        padding: 10px 18px;
        font-size: 13px;
        width: 100%;
        justify-content: center;
      }
      .hero-banner .hero-cta {
        flex-direction: column;
        gap: 10px;
      }
      .live-match .teams {
        font-size: 12px;
      }
      .live-match .score {
        font-size: 14px;
      }
      .data-panel {
        padding: 14px;
      }
    }