/* roulang page: index */
:root {
      --primary: #0284C7;
      --primary-hover: #0369A1;
      --accent: #0EA5E9;
      --surface-dark: #0F172A;
      --card-bg: #FFFFFF;
      --text-main: #0F172A;
      --text-sub: #475569;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #F8FAFC;
      overflow-x: hidden;
    }
    .custom-card-shadow {
      box-shadow: 0 10px 25px -5px rgba(2, 132, 199, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .custom-card-shadow:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 30px -10px rgba(2, 132, 199, 0.12), 0 10px 12px -5px rgba(0, 0, 0, 0.05);
    }
    .section-separator {
      border-bottom: 1px solid #E2E8F0;
    }