/* roulang page: index */
:root {
      --sport-red: #E03E2D;
      --deep-blue: #1A1A2E;
      --amber: #F59E0B;
      --light-bg: #F9FAFB;
      --card-white: #FFFFFF;
      --text-main: #1F2937;
      --text-soft: #6B7280;
      --border-light: #E5E7EB;
      --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.1);
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      background-color: var(--light-bg);
      color: var(--text-main);
      line-height: 1.7;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    /* 导航搜索框聚焦发光 */
    .search-input:focus {
      box-shadow: 0 0 0 3px rgba(224, 62, 45, 0.3);
      border-color: var(--sport-red);
      outline: none;
    }
    /* 卡片悬停上浮 */
    .card-hover {
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    /* 比分高亮闪烁 */
    @keyframes pulse-amber {
      0% { color: var(--amber); }
      50% { color: #D97706; }
      100% { color: var(--amber); }
    }
    .live-score-num {
      animation: pulse-amber 1.8s infinite;
    }
    /* 手风琴图标旋转 */
    .faq-toggle[open] .faq-chevron {
      transform: rotate(180deg);
    }
    /* 移动端底部导航条 */
    .mobile-bottom-bar {
      backdrop-filter: blur(12px);
      background-color: rgba(26, 26, 46, 0.92);
    }
    @media (max-width: 640px) {
      .hero-visual {
        display: none;
      }
    }