/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --primary-bg: #FAF9F7;
      --card-bg: #FFFFFF;
      --accent-gold: #C49A2B;
      --accent-gold-hover: #A87D1E;
      --text-main: #2C3A47;
      --text-secondary: #4A5B6E;
      --text-light: #6B7A8A;
      --border-light: #E2E8F0;
      --faq-bg: #F0F2F5;
      --footer-bg: #2C3A47;
      --shadow-sm: 0 2px 12px rgba(74, 91, 110, 0.06);
      --shadow-md: 0 8px 24px rgba(74, 91, 110, 0.12);
      --radius-card: 12px;
      --radius-btn: 8px;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Inter", sans-serif;
      background-color: var(--primary-bg);
      color: var(--text-main);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    .container-custom {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    @media (max-width: 640px) {
      .container-custom {
        padding: 0 1.25rem;
      }
    }

    /* 导航卡片面板 */
    .nav-panel {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 1px 8px rgba(0,0,0,0.04);
      border-radius: 16px;
      margin-top: 1rem;
    }

    .nav-link {
      position: relative;
      font-weight: 500;
      color: var(--text-secondary);
      transition: color 0.2s;
      padding: 0.5rem 0.25rem;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--accent-gold);
      transition: width 0.25s ease;
    }

    .nav-link:hover {
      color: var(--text-main);
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .btn-primary {
      background-color: var(--accent-gold);
      color: white;
      border-radius: var(--radius-btn);
      padding: 0.75rem 1.75rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      transition: all 0.25s ease;
      box-shadow: 0 2px 6px rgba(196, 154, 43, 0.2);
      display: inline-block;
      text-align: center;
    }

    .btn-primary:hover {
      background-color: var(--accent-gold-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(168, 125, 30, 0.3);
    }

    .btn-outline {
      border: 1.5px solid var(--text-secondary);
      color: var(--text-secondary);
      background: transparent;
      border-radius: var(--radius-btn);
      padding: 0.75rem 1.75rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      transition: all 0.25s ease;
      display: inline-block;
      text-align: center;
    }

    .btn-outline:hover {
      background-color: rgba(74, 91, 110, 0.06);
      border-color: var(--text-main);
      color: var(--text-main);
    }

    .card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      padding: 2rem;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-bottom: 3px solid var(--accent-gold);
    }

    .tag {
      background-color: rgba(196, 154, 43, 0.1);
      color: var(--accent-gold);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 0.25rem 0.75rem;
      border-radius: 20px;
      letter-spacing: 0.3px;
    }

    .section-spacing {
      margin-top: 5rem;
      margin-bottom: 5rem;
    }

    @media (max-width: 768px) {
      .section-spacing {
        margin-top: 3.75rem;
        margin-bottom: 3.75rem;
      }
    }

    /* FAQ 手风琴 */
    .faq-item {
      border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    .faq-question {
      cursor: pointer;
      font-weight: 600;
      padding: 1.25rem 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-main);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      color: #555;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-bottom: 1.25rem;
    }

    .faq-icon {
      color: var(--accent-gold);
      font-size: 1.2rem;
      transition: transform 0.2s;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 移动端菜单 */
    .mobile-menu {
      background: white;
      border-radius: 0 0 20px 20px;
      box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    }