/* roulang page: index */
:root {
      --primary-color: #0F766E;
      --primary-light: #14B8A6;
      --accent-color: #F59E0B;
      --bg-base: #F8FAFC;
      --bg-subtle: #F0FDFA;
      --text-dark: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.65;
    }
    .hero-bg-gradient {
      background: linear-gradient(135deg, rgba(15, 118, 110, 0.94) 0%, rgba(19, 78, 74, 0.88) 100%);
    }
    .badge-amber {
      background: rgba(245, 158, 11, 0.12);
      border: 1px solid rgba(245, 158, 11, 0.3);
      color: #B45309;
    }
    .glass-card {
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }
    .timeline-line::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 19px;
      width: 2px;
      background: #334155;
    }
    @media (min-width: 768px) {
      .timeline-line::before {
        left: 50%;
        transform: translateX(-50%);
      }
    }