/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --primary-deep-green: #1B5E20;
      --primary-dark: #0D2B0D;
      --accent-blue: #0D47A1;
      --bg-warm-paper: #F5F5F0;
      --highlight-amber: #FF6F00;
      --text-primary: #1A1A1A;
      --text-secondary: #4A4A4A;
      --border-light: rgba(0,0,0,0.06);
      --card-shadow: 0 2px 8px rgba(0,0,0,0.04);
      --card-shadow-hover: 0 8px 24px rgba(0,0,0,0.10);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-pill: 24px;
      --transition: 0.2s ease;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--bg-warm-paper);
      color: var(--text-primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 导航栏毛玻璃 */
    .glass-nav {
      background: rgba(255,255,255,0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(27,94,32,0.15);
      height: 64px;
    }

    .nav-link {
      color: #2D2D2D;
      font-weight: 500;
      transition: color var(--transition);
      font-size: 0.95rem;
    }
    .nav-link:hover {
      color: var(--primary-deep-green);
    }

    .search-pill {
      background: #f0f0eb;
      border-radius: var(--radius-pill);
      padding: 0.5rem 1.2rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: #6B6B6B;
      border: 1px solid transparent;
      transition: all var(--transition);
    }
    .search-pill i {
      font-size: 0.9rem;
      color: #7A7A7A;
    }
    .search-pill input {
      background: transparent;
      border: none;
      outline: none;
      font-size: 0.9rem;
      width: 140px;
      color: var(--text-primary);
    }
    .search-pill input::placeholder {
      color: #9A9A9A;
      font-weight: 400;
    }

    .btn-primary {
      background: var(--highlight-amber);
      color: white;
      font-weight: 600;
      padding: 0.6rem 1.5rem;
      border-radius: var(--radius-btn);
      border: none;
      cursor: pointer;
      transition: background var(--transition), transform 0.1s;
      letter-spacing: 0.3px;
      box-shadow: 0 2px 6px rgba(255,111,0,0.25);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .btn-primary:hover {
      background: #E65100;
      transform: translateY(-1px);
    }

    .btn-outline-light {
      background: transparent;
      border: 1px solid white;
      color: white;
      font-weight: 600;
      padding: 0.6rem 1.5rem;
      border-radius: var(--radius-btn);
      transition: all var(--transition);
      cursor: pointer;
    }
    .btn-outline-light:hover {
      background: rgba(255,255,255,0.15);
    }

    .btn-outline-green {
      background: transparent;
      border: 1px solid var(--primary-deep-green);
      color: var(--primary-deep-green);
      font-weight: 600;
      padding: 0.5rem 1.3rem;
      border-radius: var(--radius-btn);
      transition: all var(--transition);
    }
    .btn-outline-green:hover {
      background: rgba(27,94,32,0.06);
    }

    /* 卡片样式 */
    .feature-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--card-shadow);
      transition: all 0.25s ease;
      border: 1px solid var(--border-light);
      height: 100%;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
    }
    .icon-block {
      background: var(--primary-deep-green);
      width: 48px;
      height: 48px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1.4rem;
      transition: background var(--transition);
    }
    .feature-card:hover .icon-block {
      background: var(--accent-blue);
    }

    .scenario-card {
      border-radius: var(--radius-card);
      padding: 32px 24px;
      transition: all 0.25s;
      border: 1px solid transparent;
    }
    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 22px rgba(0,0,0,0.06);
    }

    .case-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--card-shadow);
      border-left: 5px solid var(--primary-deep-green);
      transition: all 0.2s;
    }
    .case-card:hover {
      box-shadow: var(--card-shadow-hover);
    }

    /* FAQ 手风琴 */
    .faq-item {
      border-bottom: 1px solid #e3e3db;
    }
    .faq-question {
      height: 56px;
      display: flex;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      color: var(--text-primary);
      transition: color 0.2s;
      gap: 12px;
    }
    .faq-question i {
      transition: transform 0.25s;
      color: var(--primary-deep-green);
      font-size: 0.9rem;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s;
      background: #fafaf7;
      border-left: 3px solid var(--primary-deep-green);
      margin-left: 12px;
      padding-left: 16px;
      color: var(--text-secondary);
      font-size: 0.95rem;
    }
    .faq-item.active .faq-answer {
      max-height: 160px;
      padding: 12px 16px;
      margin-bottom: 8px;
    }
    .faq-item.active .faq-question i {
      transform: rotate(90deg);
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }
      .glass-nav {
        height: auto;
        padding: 12px 0;
      }
      .nav-links-desktop {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      h1 {
        font-size: 2rem !important;
      }
      h2 {
        font-size: 1.8rem !important;
      }
      .hero-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }
    }

    @media (min-width: 769px) {
      .mobile-menu-btn {
        display: none;
      }
    }

    .footer-link {
      color: #B0B0B0;
      transition: color 0.2s;
      font-size: 0.9rem;
    }
    .footer-link:hover {
      color: white;
    }