/* roulang page: index */
:root {
      --primary: #0f4c81;
      --primary-dark: #0b132b;
      --accent: #059669;
      --text-main: #0f172a;
      --text-muted: #475569;
      --bg-alt: #f8fafc;
      --border-color: #e2e8f0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(15, 76, 129, 0.08), 0 4px 6px -2px rgba(15, 76, 129, 0.03);
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(11, 19, 43, 0.92) 0%, rgba(15, 76, 129, 0.88) 100%), url('/assets/images/6b83c01f1874ce8e.webp') center/cover no-repeat;
    }