/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --deep-blue: #0A2647;
      --champagne-gold: #C6A15B;
      --champagne-dark: #B08A3D;
      --bg-light: #F8F9FA;
      --card-white: #FFFFFF;
      --text-primary: #1E293B;
      --text-body: #475569;
      --text-muted: #64748B;
      --border-light: #E2E8F0;
      --shadow-card: 0 4px 20px rgba(0,0,0,0.04);
      --shadow-hover: 0 12px 32px rgba(0,0,0,0.08);
      --radius-md: 12px;
      --radius-btn: 8px;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Inter", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }
    /* 导航 */
    .header-nav {
      background: white;
      box-shadow: 0 1px 0 rgba(0,0,0,0.05);
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 12px 0;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logo-icon {
      width: 32px;
      height: 32px;
      background: var(--champagne-gold);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      font-size: 18px;
    }
    .logo-text {
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--deep-blue);
      letter-spacing: 0.5px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    .nav-links a {
      color: #334155;
      font-weight: 500;
      font-size: 0.95rem;
      padding-bottom: 4px;
      border-bottom: 2px solid transparent;
      transition: all 0.2s;
    }
    .nav-links a:hover {
      color: var(--champagne-gold);
    }
    .nav-links a.active {
      color: var(--champagne-gold);
      border-bottom-color: var(--champagne-gold);
    }
    .nav-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .search-box {
      display: flex;
      align-items: center;
      background: #F1F5F9;
      border-radius: 20px;
      padding: 6px 16px;
      border: 1px solid var(--border-light);
    }
    .search-box i {
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-right: 6px;
    }
    .search-box input {
      border: none;
      background: transparent;
      outline: none;
      font-size: 0.9rem;
      width: 120px;
      color: var(--text-primary);
    }
    .btn-primary {
      background: var(--champagne-gold);
      color: white;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-btn);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      display: inline-block;
      text-align: center;
      font-size: 0.95rem;
      box-shadow: 0 2px 6px rgba(198,161,91,0.3);
    }
    .btn-primary:hover {
      background: var(--champagne-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(176,138,61,0.4);
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--deep-blue);
      color: var(--deep-blue);
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-btn);
      transition: all 0.3s ease;
      display: inline-block;
      text-align: center;
      font-size: 0.95rem;
    }
    .btn-outline:hover {
      background: var(--deep-blue);
      color: white;
      transform: translateY(-2px);
    }
    .hamburger {
      display: none;
      font-size: 1.8rem;
      color: var(--deep-blue);
      cursor: pointer;
    }
    /* 区块标题 */
    .section-title {
      font-size: 2.25rem;
      font-weight: 600;
      color: var(--deep-blue);
      margin-bottom: 0.5rem;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: '';
      display: block;
      width: 40px;
      height: 3px;
      background: var(--champagne-gold);
      border-radius: 2px;
      margin-top: 8px;
    }
    .card {
      background: var(--card-white);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    /* Hero */
    .hero {
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      min-height: 85vh;
      display: flex;
      align-items: center;
      position: relative;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(10,38,71,0.85) 0%, rgba(10,38,71,0.4) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      width: 100%;
    }
    .stats-card {
      background: rgba(255,255,255,0.9);
      backdrop-filter: blur(8px);
      border-radius: 16px;
      padding: 28px 24px;
    }
    @media (max-width: 768px) {
      .nav-links, .nav-right .search-box {
        display: none;
      }
      .hamburger {
        display: block;
      }
      .mobile-menu {
        flex-direction: column;
        width: 100%;
        background: white;
        padding: 20px;
        gap: 16px;
        display: none;
      }
      .mobile-menu.open {
        display: flex;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .hero {
        min-height: 70vh;
      }
    }
    .faq-item {
      border-bottom: 1px solid var(--border-light);
    }
    .faq-question {
      background: white;
      padding: 16px 20px;
      font-weight: 600;
      color: var(--text-primary);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-answer {
      background: #F1F5F9;
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
    }
    .faq-answer.open {
      padding: 16px 20px;
      max-height: 300px;
    }
    .decor-left-border {
      border-left: 4px solid var(--champagne-gold);
    }
