/* roulang page: index */
:root {
      --primary: #0D7A6D;
      --primary-dark: #08544B;
      --secondary: #1A8CFF;
      --neutral-bg: #F7F9F8;
      --dark-teal: #0A1C1A;
      --text-main: #1D2A28;
      --text-muted: #586966;
      --warning: #E06A26;
      --border-color: #E2E8E6;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 16px rgba(13, 122, 109, 0.06);
    }
    .custom-hover-shadow {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-hover-shadow:hover {
      transform: translateY(-4px);
      box-shadow: 0 14px 28px rgba(13, 122, 109, 0.12);
      border-color: rgba(13, 122, 109, 0.35);
    }
    .glass-nav {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    details summary::-webkit-details-marker {
      display: none;
    }