/* roulang page: index */
:root {
      --primary-dark: #0B1120;
      --primary-blue: #0F172A;
      --accent-cyan: #0284C7;
      --accent-emerald: #10B981;
      --accent-amber: #F59E0B;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --bg-light: #F8FAFC;
      --card-border: rgba(226, 232, 240, 0.8);
      --card-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.05);
      --card-hover-shadow: 0 20px 35px -5px rgba(2, 132, 199, 0.12);
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: #FFFFFF;
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(11, 17, 32, 0.96) 100%), url('/assets/images/caa4f482913b32cd.jpg') center/cover no-repeat;
    }
    .dark-sec-bg {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(11, 17, 32, 0.98) 100%), url('/assets/images/2577d901e39325d5.jpg') center/cover no-repeat;
    }
    .card-modern {
      background: #FFFFFF;
      border-radius: 18px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-modern:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(2, 132, 199, 0.3);
    }
    .badge-soft {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      border-width: 1px;
    }
    .badge-cyan {
      background-color: rgba(2, 132, 199, 0.08);
      color: #0284C7;
      border-color: rgba(2, 132, 199, 0.25);
    }
    .badge-emerald {
      background-color: rgba(16, 185, 129, 0.08);
      color: #059669;
      border-color: rgba(16, 185, 129, 0.25);
    }
    .badge-amber {
      background-color: rgba(245, 158, 11, 0.08);
      color: #D97706;
      border-color: rgba(245, 158, 11, 0.25);
    }
    .btn-brand {
      background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
      color: #FFFFFF;
      transition: all 0.25s ease;
    }
    .btn-brand:hover {
      box-shadow: 0 10px 20px -5px rgba(2, 132, 199, 0.4);
      transform: translateY(-1px);
    }
    .btn-amber {
      background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
      color: #FFFFFF;
      transition: all 0.25s ease;
    }
    .btn-amber:hover {
      box-shadow: 0 10px 20px -5px rgba(245, 158, 11, 0.4);
      transform: translateY(-1px);
    }