/* roulang page: index */
:root {
      --primary: #0284C7;
      --primary-dark: #0369A1;
      --accent: #2563EB;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .custom-card-shadow {
      box-shadow: 0 4px 20px -4px rgba(15, 23, 42, 0.05);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .custom-card-shadow:hover {
      transform: translateY(-3px);
      box-shadow: 0 16px 32px -6px rgba(2, 132, 199, 0.12);
    }
    .active-nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      right: 0;
      height: 2px;
      background-color: #0284C7;
      border-radius: 9999px;
    }