/* roulang page: index */
:root {
      --primary: #0F2F57;
      --accent: #0284C7;
      --cta: #0D9488;
      --bg-slate: #F8FAFC;
      --dark-section: #0B192C;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    }
    body {
      background-color: var(--bg-slate);
      color: var(--text-main);
      overflow-x: hidden;
      line-height: 1.7;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background-color: #CBD5E1;
      border-radius: 9999px;
    }
    .hero-bg {
      background: linear-gradient(180deg, rgba(15, 47, 87, 0.94) 0%, rgba(11, 25, 44, 0.98) 100%), url('/assets/images/f345d821034a7ffc.webp') center/cover no-repeat;
    }
    .card-hover {
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 24px -10px rgba(15, 47, 87, 0.12);
    }