/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');

    :root {
      --primary: #1A3C6D;
      --primary-hover: #152E54;
      --accent: #C49A2B;
      --accent-light: #f9f3e3;
      --bg: #F7F9FC;
      --card-bg: #FFFFFF;
      --highlight-bg: #F0F4FA;
      --text-primary: #0F2440;
      --text-heading: #1A3C6D;
      --text-body: #4A5568;
      --text-muted: #718096;
      --border-light: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-card: 0 2px 12px rgba(26, 60, 109, 0.06);
      --shadow-hover: 0 8px 24px rgba(26, 60, 109, 0.12);
      --transition: 0.25s ease;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
      background-color: var(--bg);
      color: var(--text-body);
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
    }

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

    a {
      color: inherit;
      text-decoration: none;
    }

    button, input {
      font-family: inherit;
    }

    /* 导航 */
    .nav-link {
      position: relative;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      transition: color var(--transition);
      padding: 4px 0;
    }
    .nav-link:hover {
      color: var(--primary);
    }
    .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -8px;
      width: 100%;
      height: 2px;
      background-color: var(--accent);
      border-radius: 2px;
    }

    .btn-primary {
      background-color: var(--primary);
      color: white;
      border-radius: var(--radius-sm);
      padding: 12px 28px;
      font-weight: 500;
      font-size: 15px;
      border: none;
      cursor: pointer;
      transition: background-color var(--transition), box-shadow var(--transition);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(26, 60, 109, 0.25);
    }

    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--primary);
      color: var(--primary);
      border-radius: var(--radius-sm);
      padding: 12px 28px;
      font-weight: 500;
      font-size: 15px;
      cursor: pointer;
      transition: all var(--transition);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
    }
    .btn-outline:hover {
      background-color: rgba(26, 60, 109, 0.04);
      border-color: var(--primary-hover);
      color: var(--primary-hover);
    }

    .section-padding {
      padding: 100px 0;
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }
      .section-padding {
        padding: 64px 0;
      }
    }

    /* 汉堡菜单抽屉 */
    .mobile-menu {
      position: fixed;
      top: 0;
      right: 0;
      width: 75%;
      max-width: 320px;
      height: 100vh;
      background: white;
      box-shadow: -8px 0 24px rgba(0,0,0,0.08);
      transform: translateX(100%);
      transition: transform 0.3s ease;
      z-index: 100;
      display: flex;
      flex-direction: column;
      padding: 32px 24px;
    }
    .mobile-menu.open {
      transform: translateX(0);
    }
    .mobile-menu a {
      padding: 16px 0;
      font-size: 18px;
      font-weight: 500;
      border-bottom: 1px solid var(--border-light);
      color: var(--text-primary);
    }
    .overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.3);
      z-index: 99;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s;
    }
    .overlay.active {
      opacity: 1;
      pointer-events: auto;
    }

    /* 装饰元素 */
    .accent-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      margin-right: 8px;
    }