/* roulang page: index */
:root {
      --primary-teal: #0D9488;
      --primary-blue: #0284C7;
      --clinical-dark: #0F172A;
      --clinical-graphite: #0B132B;
      --clinical-steel: #475569;
      --clinical-light: #F8FAFC;
      --alert-crimson: #E11D48;
      --border-soft: #E2E8F0;
      --card-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --card-shadow-hover: 0 12px 30px -4px rgba(15, 23, 42, 0.1);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #1E293B;
      background-color: #FFFFFF;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .num-tabular {
      font-variant-numeric: tabular-nums;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .clinical-card {
      border: 1px solid var(--border-soft);
      box-shadow: var(--card-shadow);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .clinical-card:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-2px);
      border-color: #CBD5E1;
    }
    .clinical-gradient-text {
      background: linear-gradient(135deg, #0F172A 0%, #0D9488 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .tab-content {
      display: none;
    }
    .tab-content.active {
      display: block;
    }