/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-dark: #0F172A;
      --accent: #D97706;
      --accent-hover: #B45309;
      --bg-light: #F8FAFC;
      --card-border: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .carousel-slide {
      transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    }
    .active-slide {
      opacity: 1;
      transform: scale(1);
      z-index: 10;
    }
    .inactive-slide {
      opacity: 0;
      transform: scale(1.05);
      z-index: 0;
      pointer-events: none;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
    }
    .hover-lift {
      transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .hover-lift:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .faq-active .faq-content {
      max-height: 240px;
    }
    .faq-active .faq-icon {
      transform: rotate(180deg);
    }