/* roulang page: index */
:root {
      --primary-deep: #0A0E27;
      --primary-card: #141832;
      --accent-cyan: #00F0FF;
      --accent-red: #FF4655;
      --bg-light: #F4F6FC;
      --bg-lighter: #EDF1F9;
      --text-white: #FFFFFF;
      --text-dark: #1A1F36;
      --text-muted: #6B7394;
      --border-light: #E2E7F0;
      --radius-card: 12px;
      --radius-btn: 8px;
      --shadow-card: 0 4px 12px rgba(10,14,39,0.06);
      --shadow-hover: 0 8px 24px rgba(0,240,255,0.12);
      --font-mono: 'Roboto Mono', 'Courier New', monospace;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      background-color: var(--primary-deep);
      color: var(--text-dark);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* 导航系统 */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 100;
      transition: background 0.3s ease, backdrop-filter 0.3s ease;
    }
    .header.scrolled {
      background: rgba(10,14,39,0.92);
      backdrop-filter: blur(12px);
      box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
    .nav-brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      flex-wrap: wrap;
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logo-text {
      font-size: 1.7rem;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: 1px;
    }
    .logo-text span {
      color: var(--accent-cyan);
    }
    .search-icon {
      color: var(--text-white);
      font-size: 1.2rem;
      margin-left: 15px;
      cursor: pointer;
      transition: color 0.2s;
    }
    .search-icon:hover {
      color: var(--accent-cyan);
    }
    .channel-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255,255,255,0.15);
      padding: 8px 0;
      flex-wrap: wrap;
    }
    .nav-links {
      display: flex;
      gap: 24px;
      list-style: none;
      margin: 0;
      flex-wrap: wrap;
    }
    .nav-links a {
      color: rgba(255,255,255,0.85);
      font-size: 0.9rem;
      font-weight: 500;
      text-decoration: none;
      transition: color 0.2s;
      white-space: nowrap;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--accent-cyan);
    }
    .hot-tags {
      display: flex;
      gap: 10px;
      align-items: center;
    }
    .tag {
      background: rgba(0,240,255,0.15);
      color: var(--accent-cyan);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.3px;
    }
    /* 移动端导航汉堡 */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: white;
      font-size: 1.8rem;
      cursor: pointer;
    }
    @media (max-width: 1024px) {
      .channel-bar {
        flex-direction: column;
        align-items: flex-start;
      }
      .hot-tags {
        margin-top: 10px;
      }
    }
    @media (max-width: 640px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: rgba(10,14,39,0.95);
        padding: 15px;
        border-radius: 12px;
        margin-top: 10px;
      }
      .nav-links.show {
        display: flex;
      }
      .hot-tags {
        display: none;
      }
    }
    /* Hero 双栏 */
    .hero {
      padding: 160px 0 80px;
      background: radial-gradient(circle at 30% 30%, #1a1f40, #0A0E27);
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      pointer-events: none;
    }
    .hero-grid {
      display: flex;
      align-items: center;
      gap: 50px;
      position: relative;
      z-index: 2;
    }
    .hero-left {
      flex: 1;
    }
    .hero-left h1 {
      font-size: 3rem;
      font-weight: 700;
      color: white;
      line-height: 1.2;
      margin-bottom: 20px;
    }
    .hero-left .subtitle {
      font-size: 1.2rem;
      color: rgba(255,255,255,0.8);
      margin-bottom: 30px;
    }
    .btn-group {
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
    }
    .btn-cyan {
      background: var(--accent-cyan);
      color: #0A0E27;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: var(--radius-btn);
      text-decoration: none;
      transition: box-shadow 0.2s, transform 0.2s;
      border: none;
      cursor: pointer;
    }
    .btn-cyan:hover {
      box-shadow: 0 0 20px rgba(0,240,255,0.6);
      transform: translateY(-2px);
    }
    .btn-outline {
      border: 2px solid var(--accent-cyan);
      color: var(--accent-cyan);
      background: transparent;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      text-decoration: none;
      transition: 0.2s;
    }
    .btn-outline:hover {
      background: rgba(0,240,255,0.1);
    }
    .hero-right {
      flex: 1;
      background: rgba(20,24,50,0.8);
      backdrop-filter: blur(8px);
      border-radius: 16px;
      padding: 25px;
      border: 1px solid rgba(0,240,255,0.3);
    }
    .live-card {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .team {
      font-weight: 700;
      color: white;
      font-size: 1.3rem;
    }
    .score {
      font-family: var(--font-mono);
      font-size: 2.8rem;
      font-weight: 700;
      color: var(--accent-cyan);
      margin: 0 15px;
      text-shadow: 0 0 10px rgba(0,240,255,0.7);
    }
    .live-badge {
      background: var(--accent-red);
      color: white;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      margin-top: 10px;
    }
    .pulse {
      width: 8px;
      height: 8px;
      background: white;
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.2s infinite;
    }
    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.2); }
      100% { opacity: 1; transform: scale(1); }
    }
    @media (max-width: 768px) {
      .hero-grid {
        flex-direction: column;
      }
      .hero-left h1 {
        font-size: 2.2rem;
      }
    }
    /* 板块通用 */
    .section {
      padding: 80px 0;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 600;
      margin-bottom: 40px;
      color: var(--text-dark);
    }
    .bg-light-section {
      background: var(--bg-light);
    }
    /* 实时比分网格 */
    .score-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }
    .score-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 20px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-light);
      transition: all 0.25s;
    }
    .score-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--accent-cyan);
    }
    .match-teams {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 700;
    }
    .match-score {
      font-family: var(--font-mono);
      font-size: 2rem;
      color: var(--accent-cyan);
      margin: 10px 0;
    }
    .status {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    @media (max-width: 768px) {
      .score-grid {
        grid-template-columns: 1fr;
        overflow-x: auto;
        display: flex;
        gap: 15px;
        padding-bottom: 10px;
      }
      .score-card {
        min-width: 260px;
      }
    }
    /* 优势卡片 */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .advantage-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 30px 20px;
      text-align: center;
      box-shadow: var(--shadow-card);
    }
    .advantage-card img {
      width: 64px;
      height: 64px;
      margin-bottom: 15px;
    }
    @media (max-width: 768px) {
      .advantage-grid {
        grid-template-columns: 1fr;
      }
    }
    /* 瀑布流 */
    .waterfall {
      columns: 3;
      column-gap: 20px;
    }
    .waterfall-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 20px;
      margin-bottom: 20px;
      break-inside: avoid;
      box-shadow: var(--shadow-card);
    }
    .waterfall-card .highlight {
      color: var(--accent-red);
      font-weight: 700;
    }
    @media (max-width: 1024px) {
      .waterfall { columns: 2; }
    }
    @media (max-width: 640px) {
      .waterfall { columns: 1; }
    }
    /* 对比表 */
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      background: white;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .compare-table th {
      background: #0A0E27;
      color: white;
      padding: 16px;
    }
    .compare-table td, .compare-table th {
      padding: 14px;
      border-bottom: 1px solid var(--border-light);
    }
    .compare-table tr:nth-child(even) td {
      background: var(--bg-lighter);
    }
    .highlight-col {
      background: rgba(0,240,255,0.08);
    }
    @media (max-width: 768px) {
      .table-responsive {
        overflow-x: auto;
      }
    }
    /* FAQ */
    .accordion-title {
      font-weight: 600;
      background: white;
      padding: 18px;
      border-radius: 8px;
      margin-bottom: 8px;
      cursor: pointer;
      border: 1px solid var(--border-light);
      transition: 0.2s;
    }
    .accordion-title:hover {
      border-color: var(--accent-cyan);
    }
    .accordion-content {
      padding: 0 18px 18px;
      color: var(--text-muted);
    }
    /* CTA */
    .cta-block {
      background: linear-gradient(135deg, #0A0E27, #1a2240);
      border-radius: 20px;
      padding: 60px;
      text-align: center;
    }
    .email-input {
      padding: 14px;
      border-radius: 8px;
      border: none;
      width: 280px;
      max-width: 100%;
      margin-right: 10px;
    }
    /* 页脚 */
    .footer {
      background: #06091c;
      color: rgba(255,255,255,0.7);
      padding: 50px 0 20px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 30px;
    }
    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }