/* roulang page: index */
:root {
      --primary: #1E40AF;
      --secondary: #0284C7;
      --bg-main: #F8FAFC;
      --card-bg: #FFFFFF;
      --text-title: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-body);
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -4px rgba(15, 23, 42, 0.06);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 12px 28px -6px rgba(15, 23, 42, 0.12);
      transform: translateY(-4px);
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 64, 175, 0.85) 100%);
    }
    .magazine-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      gap: 2rem;
    }
    @media (max-width: 1024px) {
      .magazine-grid {
        grid-template-columns: 1fr;
      }
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .faq-item.active .faq-answer {
      max-height: 250px;
    }
    .faq-item.active .faq-chevron {
      transform: rotate(180deg);
    }