/* roulang page: index */
:root {
      --bg-dark: #0B0F17;
      --accent-color: #00F59B;
      --accent-hover: #10B981;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --border-dark: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .neon-border {
      border: 1px solid rgba(0, 245, 155, 0.25);
      box-shadow: 0 0 15px rgba(0, 245, 155, 0.08);
    }
    .neon-border:hover {
      border-color: rgba(0, 245, 155, 0.6);
      box-shadow: 0 0 25px rgba(0, 245, 155, 0.18);
    }
    .glow-badge {
      background: linear-gradient(135deg, rgba(0,245,155,0.2) 0%, rgba(2,132,199,0.2) 100%);
      border: 1px solid rgba(0, 245, 155, 0.4);
    }
    .hero-gradient {
      background: radial-gradient(circle at 70% 30%, rgba(0, 245, 155, 0.12) 0%, transparent 60%),
                  radial-gradient(circle at 20% 80%, rgba(2, 132, 199, 0.15) 0%, transparent 50%);
    }
    /* 手风琴平滑展开 */
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .faq-content.open {
      max-height: 400px;
      transition: max-height 0.4s ease-in;
    }
    /* 自定义横向滚动条 */
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }