/* roulang page: index */
:root {
      --primary: #FF5A1F;
      --primary-hover: #e04a14;
      --secondary: #0F172A;
      --accent-green: #10B981;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
    }
    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;
      overflow-x: hidden;
    }
    .hero-bg {
      background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(9, 13, 22, 0.94)), url('/assets/images/7593e540281afc89.jpg');
      background-size: cover;
      background-position: center;
    }
    .custom-scroll::-webkit-scrollbar {
      display: none;
    }
    .custom-scroll {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }
    .tabular-num {
      font-variant-numeric: tabular-nums;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }
    .hover-lift {
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .hover-lift:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -4px rgba(255, 90, 31, 0.12);
    }