/* roulang page: index */
:root {
      --primary: #0F4C81;
      --secondary: #00A88F;
      --dark: #0B192C;
      --bg-gray: #F8FAFC;
      --border: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #1E293B;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(11, 25, 44, 0.92) 0%, rgba(15, 76, 129, 0.88) 100%), url('/assets/images/7a73ed3cca25fa7b.webp') center/cover no-repeat;
    }