/* roulang page: index */
:root {
      --brand-primary: #00897B;
      --brand-primary-dark: #00695C;
      --brand-teal-light: #E0F2F1;
      --brand-accent: #0284C7;
      --brand-accent-soft: #E0F2FE;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-sub: #64748B;
      --bg-warm-light: #F8FAFC;
      --bg-card: #FFFFFF;
      --border-color: #E2E8F0;
      --radius-card: 1.5rem;
      --shadow-soft: 0 10px 30px -10px rgba(0, 137, 123, 0.08);
      --shadow-hover: 0 20px 40px -15px rgba(0, 137, 123, 0.16);
    }

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

    body {
      background-color: var(--bg-warm-light);
      color: var(--text-main);
      line-height: 1.6;
    }

    .brand-gradient {
      background: linear-gradient(135deg, #00897B 0%, #00A884 100%);
    }

    .brand-hero-bg {
      background: linear-gradient(180deg, #F0FDFA 0%, #F8FAFC 100%);
    }

    .card-rounded {
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-soft);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .card-rounded:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 500;
    }

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

    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
      background: #F1F5F9;
      border-radius: 4px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }