/* roulang page: index */
:root {
      --primary: #0F3E46;
      --primary-dark: #0A191E;
      --accent: #10B981;
      --accent-hover: #059669;
      --bg-base: #F8FAFC;
      --card-bg: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background-color: #CBD5E1;
      border-radius: 9999px;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.15), transparent 70%);
    }
    .nav-blur {
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 24px -10px rgba(15, 62, 70, 0.15);
    }
    details summary::-webkit-details-marker {
      display: none;
    }