/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #FF6B35;
      --primary-dark: #E55A2B;
      --secondary: #2D1B4E;
      --accent: #00E5FF;
      --bg-light: #F9F7FC;
      --card-bg: #FFFFFF;
      --text-main: #1E1B2E;
      --text-sub: #5A5170;
      --nav-bg: #1E162E;
      --shadow-sm: 0 4px 20px rgba(45,27,78,0.08);
      --shadow-hover: 0 12px 30px rgba(45,27,78,0.15);
      --radius-card: 12px;
      --radius-btn: 8px;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: var(--font-sans);
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    /* 导航暗色霓虹风格 */
    .navbar {
      background-color: var(--nav-bg);
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 64px;
      z-index: 50;
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
      display: flex;
      align-items: center;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .logo {
      font-weight: 700;
      font-size: 1.7rem;
      letter-spacing: 0.5px;
      color: white;
      display: flex;
      align-items: center;
      gap: 0.3rem;
    }
    .logo i {
      color: var(--primary);
      font-size: 2rem;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.8rem;
    }
    .nav-links a {
      color: rgba(255,255,255,0.9);
      text-decoration: none;
      font-weight: 500;
      font-size: 1rem;
      position: relative;
      padding: 0.3rem 0;
      transition: color 0.2s;
    }
    .nav-links a:hover {
      color: white;
    }
    .nav-links a.active {
      color: white;
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
      border-radius: 2px;
    }
    .nav-cta-btn {
      background: var(--primary);
      color: white !important;
      padding: 0.5rem 1.5rem !important;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: background 0.2s, box-shadow 0.2s;
      margin-left: 0.8rem;
    }
    .nav-cta-btn:hover {
      background: var(--primary-dark);
      box-shadow: 0 0 14px rgba(255,107,53,0.5);
    }
    .hamburger {
      display: none;
      color: white;
      font-size: 1.8rem;
      cursor: pointer;
    }
    .mobile-menu {
      display: none;
      position: fixed;
      top: 64px;
      left: 0;
      width: 100%;
      background: var(--secondary);
      flex-direction: column;
      padding: 1.5rem;
      gap: 1.2rem;
      z-index: 40;
      box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    }
    .mobile-menu a {
      color: white;
      font-weight: 500;
      text-decoration: none;
      font-size: 1.1rem;
    }
    .section-padding {
      padding: 5rem 0;
    }
    .hero-section {
      padding-top: 7rem;
      padding-bottom: 4rem;
      background: linear-gradient(135deg, #F9F7FC 0%, #EDE7F6 100%);
    }
    .btn-primary {
      background: var(--primary);
      color: white;
      font-weight: 600;
      padding: 0.8rem 2rem;
      border-radius: var(--radius-btn);
      display: inline-block;
      text-decoration: none;
      transition: all 0.25s;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(255,107,53,0.3);
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      box-shadow: 0 0 18px rgba(255,107,53,0.5);
      transform: translateY(-1px);
    }
    .btn-outline {
      border: 2px solid var(--secondary);
      color: var(--secondary);
      font-weight: 600;
      padding: 0.75rem 2rem;
      border-radius: var(--radius-btn);
      display: inline-block;
      text-decoration: none;
      transition: all 0.25s;
      background: transparent;
    }
    .btn-outline:hover {
      background: var(--secondary);
      color: white;
      border-color: var(--secondary);
    }
    .card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      padding: 2rem 1.5rem;
      transition: all 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-6px);
    }
    .stat-number {
      font-size: 3rem;
      font-weight: 700;
      color: var(--accent);
      line-height: 1.2;
    }
    .faq-item {
      background: white;
      border-radius: var(--radius-card);
      padding: 1.2rem 1.8rem;
      margin-bottom: 1rem;
      box-shadow: 0 2px 12px rgba(0,0,0,0.04);
      cursor: pointer;
      transition: 0.2s;
    }
    .faq-item:hover {
      background: #faf9fe;
    }
    .faq-question {
      font-weight: 600;
      font-size: 1.2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-main);
    }
    .footer {
      background: var(--secondary);
      color: #ddd;
      padding: 3rem 0 1.5rem;
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .hamburger {
        display: block;
      }
      .mobile-menu.show {
        display: flex;
      }
      .hero-section .grid {
        grid-template-columns: 1fr;
      }
      .stat-number {
        font-size: 2.4rem;
      }
    }