/* roulang page: index */
:root {
      --primary: #00C087;
      --bg-dark: #0B0E14;
      --bg-surface: #121824;
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: #0B0E14;
      color: #94A3B8;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .text-title { color: #FFFFFF; letter-spacing: -0.02em; }
    .gold-gradient-border {
      border: 1px solid rgba(245, 158, 11, 0.3);
      box-shadow: 0 0 25px rgba(245, 158, 11, 0.08);
    }
    .custom-scroll::-webkit-scrollbar { width: 4px; }
    .custom-scroll::-webkit-scrollbar-thumb { background: #1E293B; border-radius: 4px; }
    .faq-content { transition: max-height 0.3s ease-out, opacity 0.3s ease-out; }