/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --primary: #1E3A8A;
      --primary-hover: #1E40AF;
      --accent: #0EA5E9;
      --bg: #F8FAFC;
      --card-bg: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --cta-gold: #F59E0B;
      --deep-footer: #0F172A;
      --border-light: #F1F5F9;
      --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
      --shadow-card-hover: 0 20px 30px -10px rgba(0, 0, 0, 0.08), 0 10px 15px -8px rgba(0, 0, 0, 0.04);
      --radius-xl: 1rem;
      --radius-2xl: 1.25rem;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
      background-color: var(--bg);
      color: var(--text-main);
      line-height: 1.6;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* 自定义容器，配合Tailwind微调 */
    .custom-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    @media (max-width: 640px) {
      .custom-container {
        padding-left: 1rem;
        padding-right: 1rem;
      }
    }

    /* 卡片化导航面板 */
    .nav-panel {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-radius: var(--radius-2xl);
      box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.6);
      margin-top: 16px;
    }

    .nav-link-item {
      transition: all 0.2s ease;
      border-radius: 2rem;
      padding: 0.5rem 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
      font-size: 0.95rem;
      background: transparent;
    }

    .nav-link-item:hover {
      color: var(--primary);
      background: #F1F5F9;
    }

    .cta-button-nav {
      background-color: var(--primary);
      color: white;
      border-radius: 2.5rem;
      padding: 0.6rem 1.6rem;
      font-weight: 600;
      font-size: 0.95rem;
      transition: all 0.25s;
      box-shadow: 0 4px 10px rgba(30, 58, 138, 0.2);
      white-space: nowrap;
    }

    .cta-button-nav:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 8px 18px rgba(30, 64, 175, 0.3);
      transform: translateY(-1px);
    }

    /* 卡片悬停动画 */
    .hover-lift {
      transition: all 0.3s cubic-bezier(0.2, 0.0, 0, 1);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-light);
    }

    .hover-lift:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-card-hover);
      border-color: #E2E8F0;
    }

    .text-primary-custom {
      color: var(--primary);
    }
    .bg-primary-custom {
      background-color: var(--primary);
    }
    .text-accent-custom {
      color: var(--accent);
    }
    .bg-accent-custom {
      background-color: var(--accent);
    }
    .border-soft {
      border-color: var(--border-light);
    }

    /* 手风琴动画 */
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease-in-out, padding 0.3s;
      padding-top: 0;
      padding-bottom: 0;
    }
    .faq-item.active .faq-content {
      max-height: 300px; 
      padding-top: 0.75rem;
      padding-bottom: 1rem;
    }
    .faq-icon {
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

    /* 统计数字样式 */
    .stat-number {
      font-size: 2.8rem;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.1;
    }
    @media (max-width: 640px) {
      .stat-number {
        font-size: 2.2rem;
      }
      h1 {
        font-size: 2rem !important;
      }
    }

    /* 背景图片叠加层 */
    .hero-bg-visual {
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .hero-overlay {
      background: linear-gradient(90deg, rgba(248,250,252,0.95) 0%, rgba(248,250,252,0.85) 55%, rgba(248,250,252,0.5) 100%);
    }
    @media (max-width: 768px) {
      .hero-overlay {
        background: rgba(248,250,252,0.92);
      }
    }