/* roulang page: index */
:root {
      --primary: #0F52BA;
      --primary-dark: #0A3641;
      --accent: #00D285;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --bg-light: #F8FAFC;
      --bg-dark: #0F172A;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .custom-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1rem;
      padding-right: 1rem;
    }
    @media (min-width: 768px) {
      .custom-container {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }
    .hero-bg {
      background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.88), rgba(248, 250, 252, 0.96)), url('/assets/images/01d9784c411957c4.webp');
      background-size: cover;
      background-position: center;
    }
    .dark-section-bg {
      background-color: #0F172A;
      background-image: radial-gradient(circle at 50% 0%, rgba(15, 82, 186, 0.25) 0%, transparent 70%);
    }
    .card-modern {
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.85);
      border-radius: 12px;
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      transition: all 0.25s ease;
    }
    .card-modern:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px -4px rgba(15, 23, 42, 0.1);
      border-color: #0F52BA;
    }
    .badge-primary {
      background-color: rgba(15, 82, 186, 0.1);
      color: #0F52BA;
      border: 1px solid rgba(15, 82, 186, 0.2);
    }