/* roulang page: index */
:root {
      --primary-deep: #0F3A3A;
      --primary-teal: #165B53;
      --accent-gold: #C5A880;
      --accent-gold-dark: #A88659;
      --bg-dark: #0B1E1E;
      --bg-soft: #F7F8FA;
      --text-main: #1A2626;
      --text-muted: #586B6B;
      --border-color: #E2E8E8;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.8;
      overflow-x: hidden;
    }

    .card-shadow {
      box-shadow: 0 10px 30px -5px rgba(15, 58, 58, 0.06);
      transition: all 0.3s ease;
    }

    .card-shadow:hover {
      box-shadow: 0 15px 35px -5px rgba(15, 58, 58, 0.12);
      transform: translateY(-4px);
    }

    .gold-gradient-text {
      background: linear-gradient(135deg, #E8D5B5 0%, #C5A880 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .cta-btn-gold {
      background: linear-gradient(135deg, #C5A880 0%, #A88659 100%);
      color: #0B1E1E;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .cta-btn-gold:hover {
      background: linear-gradient(135deg, #D4B68D 0%, #B89363 100%);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(197, 168, 128, 0.35);
    }

    .cta-btn-teal {
      background-color: var(--primary-teal);
      color: #FFFFFF;
      transition: all 0.3s ease;
    }

    .cta-btn-teal:hover {
      background-color: #0F3A3A;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(22, 91, 83, 0.25);
    }

    /* 轮播动画与指示器 */
    .carousel-item {
      display: none;
      opacity: 0;
      transition: opacity 0.6s ease-in-out;
    }
    .carousel-item.active {
      display: block;
      opacity: 1;
    }