/* roulang page: index */
:root {
      --primary: #0d9488;
      --primary-dark: #0f766e;
      --secondary: #0284c7;
      --amber: #f59e0b;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #475569;
      --card-radius: 20px;
      --soft-shadow: 0 10px 25px -5px rgba(13, 148, 136, 0.08);
      --hover-shadow: 0 20px 30px -10px rgba(13, 148, 136, 0.16);
    }

    html {
      scroll-behavior: smooth;
      box-sizing: border-box;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    *, *::before, *::after {
      box-sizing: inherit;
    }

    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
      line-height: 1.65;
    }

    .glass-nav {
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    .bento-card {
      background: #ffffff;
      border-radius: var(--card-radius);
      border: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--soft-shadow);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .bento-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--hover-shadow);
      border-color: rgba(13, 148, 136, 0.3);
    }

    .badge-teal {
      background-color: #f0fdfa;
      color: #0f766e;
      border: 1px solid #99f6e4;
    }

    .badge-sky {
      background-color: #f0f9ff;
      color: #0369a1;
      border: 1px solid #bae6fd;
    }

    .badge-amber {
      background-color: #fffbeb;
      color: #b45309;
      border: 1px solid #fde68a;
    }

    .hero-gradient {
      background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 50%, #ffffff 100%);
    }

    .cta-gradient {
      background: linear-gradient(135deg, #0d9488 0%, #0284c7 100%);
    }

    .timeline-step::after {
      content: '';
      position: absolute;
      top: 24px;
      right: -50%;
      width: 100%;
      height: 2px;
      background: #cbd5e1;
      z-index: 1;
    }

    @media (max-width: 1023px) {
      .timeline-step::after {
        display: none;
      }
    }