/* roulang page: index */
:root {
      --primary: #0f62fe;
      --primary-dark: #0043ce;
      --bg-light: #f4f7fb;
      --text-main: #161616;
      --text-muted: #525252;
      --card-radius: 1.25rem;
      --shadow-subtle: 0 10px 30px -10px rgba(15, 98, 254, 0.08);
      --shadow-hover: 0 20px 40px -15px rgba(15, 98, 254, 0.16);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
    }
    .hero-bg {
      background-image: linear-gradient(135deg, rgba(18, 22, 31, 0.94) 0%, rgba(0, 45, 156, 0.88) 100%), url('/assets/images/1cbd8b8718cdb8e0.webp');
      background-size: cover;
      background-position: center;
    }
    .card-modern {
      background: #ffffff;
      border-radius: var(--card-radius);
      box-shadow: var(--shadow-subtle);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid rgba(224, 230, 241, 0.8);
    }
    .card-modern:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 98, 254, 0.3);
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 600;
      background: rgba(15, 98, 254, 0.08);
      color: var(--primary-dark);
      border: 1px solid rgba(15, 98, 254, 0.2);
    }