/* roulang page: index */
/* Critical custom styles and design system overrides */
    :root {
      --brand-blue: #0B4F6C;
      --brand-gold: #F5A623;
      --brand-bg: #F8FAFC;
      --brand-text: #1E293B;
      --brand-body: #475569;
      --brand-muted: #94A3B8;
      --brand-success: #10B981;
      --brand-danger: #EF4444;
      --card-shadow: 0 4px 12px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
      --card-shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-input: 8px;
    }

    body {
      background-color: var(--brand-bg);
      color: var(--brand-body);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      line-height: 1.6;
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    *, *::before, *::after {
      box-sizing: border-box;
    }

    /* Navigation active state */
    .nav-link.active {
      color: var(--brand-gold);
      border-bottom: 2px solid var(--brand-gold);
    }

    /* Card hover effect */
    .card-hover {
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      box-shadow: var(--card-shadow);
    }
    .card-hover:hover {
      transform: translateY(-2px);
      box-shadow: var(--card-shadow-hover);
      border-color: var(--brand-gold);
    }

    /* Button styles */
    .btn-primary {
      background-color: var(--brand-gold);
      color: white;
      border-radius: var(--radius-btn);
      padding: 12px 32px;
      font-weight: 600;
      transition: background-color 0.2s ease;
      display: inline-block;
      text-align: center;
    }
    .btn-primary:hover {
      background-color: #D4891F;
    }
    .btn-secondary {
      border: 2px solid var(--brand-blue);
      color: var(--brand-blue);
      background: transparent;
      border-radius: var(--radius-btn);
      padding: 12px 32px;
      font-weight: 600;
      transition: background-color 0.2s ease, color 0.2s ease;
      display: inline-block;
      text-align: center;
    }
    .btn-secondary:hover {
      background-color: rgba(11, 79, 108, 0.05);
    }

    /* Counter animation style */
    .counter-number {
      font-size: 36px;
      line-height: 44px;
      font-weight: bold;
      color: var(--brand-blue);
    }

    /* FAQ Accordion */
    .faq-item {
      border-bottom: 1px solid #e2e8f0;
    }
    .faq-question {
      cursor: pointer;
      padding: 16px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      color: var(--brand-text);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      color: var(--brand-body);
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-bottom: 16px;
    }
    .faq-item.active .arrow-icon {
      transform: rotate(180deg);
    }
    .arrow-icon {
      transition: transform 0.3s ease;
    }

    /* Mobile menu */
    @media (max-width: 768px) {
      .mobile-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        z-index: 40;
      }
      .mobile-menu.open {
        display: flex;
      }
      .counter-number {
        font-size: 28px;
        line-height: 36px;
      }
      h1 {
        font-size: 28px !important;
        line-height: 38px !important;
      }
      h2 {
        font-size: 24px !important;
        line-height: 32px !important;
      }
    }

    /* Hero background image handling */
    .hero-bg {
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .hero-overlay {
      background-color: rgba(11, 79, 108, 0.7);
      position: absolute;
      inset: 0;
    }