/* roulang page: index */
:root {
            --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
            --accent-glow: rgba(124, 58, 237, 0.35);
            --bg-dark: #0b0f19;
            --bg-card: #131b2e;
            --bg-card-hover: #1c2744;
            --bg-alt: #080c14;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(168, 85, 247, 0.6);
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --accent-color: #38bdf8;
            --success-color: #10b981;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 25, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .site-logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-link {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: #ffffff;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

        /* 按钮与徽章 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            background: var(--primary-gradient);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px var(--accent-glow);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px var(--accent-glow);
            filter: brightness(1.1);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            background: rgba(124, 58, 237, 0.15);
            color: #c084fc;
            border: 1px solid rgba(168, 85, 247, 0.3);
        }

        /* 通用 Section 样式 */
        .section-block {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

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

        .section-head.center {
            text-align: center;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-top: 12px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            margin-top: 12px;
            line-height: 1.6;
        }

        /* Hero 视频风格 */
        .hero-section {
            position: relative;
            padding: 100px 0 120px;
            background: radial-gradient(circle at 50% 20%, rgba(79, 70, 229, 0.15) 0%, rgba(11, 15, 25, 1) 70%);
            overflow: hidden;
            text-align: center;
        }

        .hero-video-mock {
            position: relative;
            max-width: 900px;
            margin: 40px auto 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.15);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
            background: #000;
        }

        .video-backdrop {
            width: 100%;
            height: 440px;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.6) 0%, rgba(15, 23, 42, 0.95) 100%),
                        repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 2px, transparent 2px, transparent 8px);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .play-btn-circle {
            width: 80px;
            height: 80px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 30px var(--accent-glow);
            cursor: pointer;
            transition: var(--transition);
        }

        .play-btn-circle:hover {
            transform: scale(1.1);
        }

        .play-icon {
            width: 0;
            height: 0;
            border-top: 14px solid transparent;
            border-bottom: 14px solid transparent;
            border-left: 22px solid #ffffff;
            margin-left: 6px;
        }

        /* 网格卡片 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

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

        .card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: var(--transition);
            position: relative;
        }

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

        .card-header-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(124, 58, 237, 0.12);
            color: #a855f7;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: bold;
            margin-bottom: 20px;
            border: 1px solid rgba(168, 85, 247, 0.2);
        }

        .card-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .card-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 操作演示步骤卡 */
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        /* 结果预览看板 */
        .metric-banner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px;
            background: linear-gradient(90deg, rgba(79, 70, 229, 0.1) 0%, rgba(219, 39, 119, 0.1) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            margin-bottom: 24px;
        }

        .metric-item {
            text-align: center;
            flex: 1;
        }

        .metric-val {
            font-size: 2rem;
            font-weight: 800;
            color: #38bdf8;
            font-family: monospace;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 资讯与动态 */
        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .news-title {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-main);
        }

        .news-title:hover {
            color: #38bdf8;
        }

        .news-meta {
            font-size: 0.85rem;
            color: var(--text-dim);
        }

        /* 线下活动签到/赛事落地卡 */
        .event-box {
            background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.15), transparent 60%), var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px;
        }

        .event-meta-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }

        /* 页脚 */
        .site-footer {
            background-color: #05070c;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
        }

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

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            color: var(--text-dim);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 400px;
        }

        .footer-links-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.88rem;
        }

        .footer-links a:hover {
            color: #38bdf8;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-dim);
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .hero-video-mock .video-backdrop { height: 320px; }
            .event-meta-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .grid-3, .grid-2 { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .nav-links { gap: 16px; }
            .metric-banner { flex-direction: column; gap: 20px; }
            .section-title { font-size: 1.6rem; }
            .hero-section { padding: 60px 0 80px; }
            .hero-video-mock .video-backdrop { height: 220px; }
        }

/* roulang page: category1 */
:root {
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
  --accent-glow: rgba(124, 58, 237, 0.35);
  --bg-dark: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-hover: #1c2744;
  --bg-alt: #080c14;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(168, 85, 247, 0.6);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-color: #38bdf8;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.site-logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.nav-link:hover, .nav-link.active {
  color: #ffffff;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-gradient);
  border-radius: 2px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px var(--accent-glow);
  transition: var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
  filter: brightness(1.1);
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(124, 58, 237, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}
.badge-live {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.4);
}
.badge-done {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}
.section-block {
  padding: 80px 0;
  border-bottom: 1px solid var(--border-color);
}
.section-block.bg-alt {
  background-color: var(--bg-alt);
}
.section-head {
  margin-bottom: 48px;
}
.section-head.center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 12px;
  line-height: 1.3;
}
.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 12px;
  line-height: 1.6;
}
.page-banner {
  padding: 80px 0 60px;
  background: radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.2) 0%, rgba(11, 15, 25, 1) 75%);
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}
.banner-content {
  max-width: 800px;
  margin: 0 auto;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: translateY(-4px);
}
.stat-card {
  text-align: center;
  padding: 28px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 6px;
}
.match-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  transition: var(--transition);
}
.match-item:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
}
.match-info-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.match-teams {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 1.1rem;
  font-weight: 700;
}
.team-score {
  color: var(--accent-color);
  font-size: 1.25rem;
  font-weight: 800;
}
.vs-divider {
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 400;
}
.rank-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.rank-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.rank-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 18px 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}
.rank-table td {
  padding: 18px 24px;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.rank-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}
.rank-num {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.9rem;
}
.rank-top1 { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; }
.rank-top2 { background: linear-gradient(135deg, #94a3b8, #64748b); color: #fff; }
.rank-top3 { background: linear-gradient(135deg, #b45309, #78350f); color: #fff; }
.rank-other { background: rgba(255, 255, 255, 0.06); color: var(--text-muted); }
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.time-node {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}
.time-node::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}
.time-node-hour {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-color);
  margin-bottom: 6px;
}
.site-footer {
  background: #060911;
  padding: 80px 0 32px;
  border-top: 1px solid var(--border-color);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 440px;
}
.footer-links-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: #ffffff;
}
.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  font-size: 0.85rem;
}
@media (max-width: 1024px) {
  .grid-4, .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .grid-3, .grid-2, .grid-4, .timeline-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .match-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .rank-table-wrap {
    overflow-x: auto;
  }
  .section-title {
    font-size: 1.6rem;
  }
}