/* roulang page: index */
:root {
      --primary: #00E575;
      --primary-hover: #00c765;
      --bg-dark: #0B0F19;
      --bg-card-dark: #151D2F;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      color: var(--text-main);
      background-color: #FAFCFE;
      -webkit-font-smoothing: antialiased;
    }
    .neon-border {
      box-shadow: 0 0 15px rgba(0, 229, 117, 0.25);
    }
    .glass-card {
      background: rgba(17, 24, 39, 0.85);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .tab-active {
      border-color: #00E575;
      color: #00E575;
      background-color: rgba(0, 229, 117, 0.08);
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .faq-item.active .faq-content {
      max-height: 240px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }