/* roulang page: index */
:root {
      --primary-grad: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
      --accent-grad: linear-gradient(135deg, #06B6D4 0%, #10B981 100%);
      --dark-bg: #0F172A;
      --card-bg: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #F8FAFC;
      box-sizing: border-box;
      scroll-behavior: smooth;
    }
    .text-gradient {
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .bg-gradient-brand {
      background: var(--primary-grad);
    }
    .bg-gradient-accent {
      background: var(--accent-grad);
    }
    .hero-mask {
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.97) 100%);
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }