/* roulang page: index */
:root {
            --bg-main: #0a0b0d;
            --bg-card: #12151b;
            --bg-card-alt: #161922;
            --primary-accent: #00f59b;
            --primary-accent-glow: rgba(0, 245, 155, 0.18);
            --secondary-purple: #7928ca;
            --text-title: #f8fafc;
            --text-body: #94a3b8;
            --text-muted: #64748b;
            --border-line: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 245, 155, 0.4);
            --border-radius: 4px;
        }

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

        body {
            background-color: var(--bg-main);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        /* 顶部通告栏 */
        .announcement-bar {
            background-color: #060709;
            border-bottom: 1px solid var(--border-line);
            font-size: 0.8125rem;
            color: var(--text-muted);
            padding: 8px 0;
        }

        /* 统一导航区 */
        .main-navbar {
            background: rgba(10, 11, 13, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-line);
            position: sticky;
            top: 0;
            z-index: 1020;
            padding: 14px 0;
        }

        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-title);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-logo i {
            color: var(--primary-accent);
        }

        .nav-link-custom {
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.9375rem;
            padding: 8px 16px;
            display: inline-block;
        }

        .nav-link-custom:hover {
            color: var(--primary-accent);
        }

        .nav-link-custom.active {
            color: var(--primary-accent);
        }

        .live-dot {
            width: 8px;
            height: 8px;
            background-color: #ef4444;
            border-radius: 50%;
            display: inline-block;
            margin-right: 6px;
            box-shadow: 0 0 10px #ef4444;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.85); }
        }

        /* 按钮与交互徽章 */
        .btn-brand-primary {
            background-color: var(--primary-accent);
            color: #050608;
            font-weight: 700;
            font-size: 0.9375rem;
            padding: 10px 24px;
            border-radius: var(--border-radius);
            border: 1px solid var(--primary-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.25s ease;
        }

        .btn-brand-primary:hover {
            background-color: #00d687;
            border-color: #00d687;
            color: #000;
            box-shadow: 0 0 24px var(--primary-accent-glow);
            transform: translateY(-2px);
        }

        .btn-brand-outline {
            background: transparent;
            color: var(--text-title);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 10px 24px;
            border-radius: var(--border-radius);
            border: 1px solid var(--border-line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-brand-outline:hover {
            border-color: var(--primary-accent);
            color: var(--primary-accent);
            background: rgba(0, 245, 155, 0.05);
            transform: translateY(-2px);
        }

        /* 通用板块排版规范 */
        .content-section {
            padding: 90px 0;
            position: relative;
            border-bottom: 1px solid var(--border-line);
        }

        .section-alt {
            background-color: #0e1015;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-accent);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
            padding: 4px 10px;
            background: rgba(0, 245, 155, 0.08);
            border: 1px solid rgba(0, 245, 155, 0.2);
            border-radius: 2px;
        }

        .section-title {
            color: var(--text-title);
            font-size: 2.125rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 18px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-body);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        /* 卡片基础骨架 */
        .brand-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--border-radius);
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            height: 100%;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .brand-card:hover {
            border-color: var(--border-hover);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
            transform: translateY(-4px);
        }

        /* 1. Hero 沉浸海报视效 */
        .hero-banner {
            min-height: 84vh;
            display: flex;
            align-items: center;
            position: relative;
            background: radial-gradient(circle at 75% 40%, rgba(121, 40, 202, 0.15) 0%, rgba(10, 11, 13, 0.95) 75%),
                        linear-gradient(180deg, rgba(10, 11, 13, 0.7) 0%, #0a0b0d 100%),
                        url('/assets/images/61d87b4690b569a1.jpg') center/cover no-repeat;
            border-bottom: 1px solid var(--border-line);
            padding: 100px 0 60px;
        }

        .hero-heading {
            font-size: 3.5rem;
            font-weight: 900;
            letter-spacing: -1.5px;
            line-height: 1.15;
            color: #ffffff;
            margin-bottom: 24px;
        }

        .hero-heading .highlight {
            color: var(--primary-accent);
            text-shadow: 0 0 30px var(--primary-accent-glow);
        }

        .hero-lead {
            font-size: 1.125rem;
            color: #cbd5e1;
            margin-bottom: 36px;
            max-width: 640px;
            line-height: 1.8;
        }

        .stream-meta-badge {
            background: rgba(0, 0, 0, 0.65);
            border: 1px solid var(--border-line);
            backdrop-filter: blur(8px);
            padding: 8px 16px;
            border-radius: 4px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
            font-size: 0.875rem;
            color: #e2e8f0;
        }

        /* 2. 赛事合集目录 */
        .match-badge {
            font-size: 0.75rem;
            padding: 4px 8px;
            border-radius: 2px;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.08);
            color: #cbd5e1;
        }

        .match-badge.live {
            background: rgba(239, 68, 68, 0.15);
            color: #f87171;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        /* 3. 核心传输优势 */
        .tech-metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 4px;
            background: rgba(0, 245, 155, 0.08);
            border: 1px solid rgba(0, 245, 155, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-accent);
            font-size: 1.25rem;
            margin-bottom: 20px;
        }

        /* 4. 推荐对阵卡 */
        .team-flag-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-line);
            padding: 16px;
            border-radius: 4px;
            text-align: center;
        }

        .team-score {
            font-family: 'DIN Alternate', Inter, sans-serif;
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-accent);
        }

        /* 5. 技术链路时序 */
        .pipeline-flow-step {
            position: relative;
            padding: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: 4px;
            height: 100%;
        }

        .pipeline-index {
            font-size: 0.8125rem;
            color: var(--primary-accent);
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: block;
        }

        /* 7. 指标数据条 */
        .stat-figure {
            font-family: 'DIN Alternate', Inter, sans-serif;
            font-size: 2.75rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.1;
        }

        .stat-unit {
            color: var(--primary-accent);
            font-size: 1.25rem;
            margin-left: 4px;
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-top: 6px;
        }

        /* 8. 战队声音 */
        .quote-block {
            border-left: 2px solid var(--primary-accent);
            padding-left: 16px;
            margin: 16px 0;
            font-style: italic;
            color: #cbd5e1;
        }

        /* 10. FAQ 手风琴 */
        .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-line);
            margin-bottom: 12px;
            border-radius: 4px !important;
            overflow: hidden;
        }

        .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-title);
            font-weight: 600;
            box-shadow: none !important;
            padding: 20px 24px;
        }

        .accordion-button:not(.collapsed) {
            background-color: var(--bg-card-alt);
            color: var(--primary-accent);
            border-bottom: 1px solid var(--border-line);
        }

        .accordion-button::after {
            filter: invert(1);
        }

        .accordion-button:not(.collapsed):after {
            filter: invert(65%) sepia(87%) saturate(1450%) hue-rotate(106deg) brightness(101%) contrast(105%);
        }

        .accordion-body {
            background-color: var(--bg-card-alt);
            color: var(--text-body);
            font-size: 0.9375rem;
            line-height: 1.7;
            padding: 20px 24px;
        }

        /* 11. 权益与保障 */
        .guarantee-cell {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-line);
            border-radius: 4px;
        }

        .guarantee-icon {
            font-size: 1.75rem;
            color: var(--primary-accent);
        }

        /* 12. 转化区 */
        .cta-wrap {
            background: linear-gradient(135deg, rgba(22, 25, 34, 0.9) 0%, rgba(10, 11, 13, 0.95) 100%),
                        radial-gradient(circle at center, rgba(0, 245, 155, 0.08) 0%, transparent 70%);
            border: 1px solid rgba(0, 245, 155, 0.3);
            border-radius: 4px;
            padding: 60px 40px;
            text-align: center;
            box-shadow: 0 0 40px rgba(0, 245, 155, 0.05);
        }

        /* 页脚规范 */
        .site-footer {
            background-color: #060708;
            border-top: 1px solid var(--border-line);
            padding: 70px 0 30px;
            font-size: 0.875rem;
        }

        .footer-heading {
            color: var(--text-title);
            font-weight: 700;
            font-size: 0.9375rem;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-link-list li {
            margin-bottom: 12px;
        }

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

        .footer-link-list a:hover {
            color: var(--primary-accent);
        }

        .compliance-note {
            font-size: 0.75rem;
            color: #475569;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            margin-top: 50px;
        }

        /* 响应式调整 */
        @media (max-width: 991px) {
            .hero-heading { font-size: 2.75rem; }
            .content-section { padding: 60px 0; }
        }

        @media (max-width: 767px) {
            .hero-heading { font-size: 2.125rem; }
            .section-title { font-size: 1.75rem; }
            .stat-figure { font-size: 2rem; }
            .cta-wrap { padding: 40px 20px; }
        }