/* roulang page: index */
:root {
      --primary: #0F4C81;
      --secondary: #0E8A7D;
      --accent: #2A9D8F;
      --dark: #0A1828;
      --bg-light: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #475569;
      --border-color: #E2E8F0;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    .medical-grid {
      background-image: radial-gradient(#0F4C81 0.75px, transparent 0.75px);
      background-size: 24px 24px;
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(10, 24, 40, 0.94) 0%, rgba(15, 76, 129, 0.88) 100%);
    }
    .faq-panel {
      transition: max-height 0.35s ease-out, opacity 0.3s ease-out;
    }
    .tab-active {
      border-color: #0E8A7D;
      background-color: #0E8A7D;
      color: #ffffff;
    }