/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --accent: #F97316;
      --accent-hover: #EA580C;
      --dark-bg: #0B132B;
      --dark-card: #1C2541;
      --text-main: #0F172A;
      --text-muted: #475569;
      --bg-light: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    }
    .hover-lift {
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .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);
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 500;
      background-color: rgba(30, 64, 175, 0.08);
      color: var(--primary);
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(11, 19, 43, 0.94) 0%, rgba(30, 64, 175, 0.88) 100%), url('/assets/images/fa5430602cd7b7cc.webp') center/cover no-repeat;
    }
    .dark-section-bg {
      background: linear-gradient(180deg, #0B132B 0%, #111E3D 100%);
    }
    /* Accordion styles */
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    }
    .faq-item.active .faq-content {
      max-height: 300px;
      transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
    }
    .faq-item.active .faq-chevron {
      transform: rotate(180deg);
    }
