:root {
      --primary: #1a73e8;
      --primary-dark: #0d5bb8;
      --success: #34a853;
      --warning: #f9ab00;
      --danger: #ea4335;
      --bg-light: #f9fbfd;
      --card-bg: #ffffff;
      --text: #202124;
      --text-secondary: #5f6368;
      --border: #dadce0;
      --code-bg: #2d2d2d;
      --gray-bg: #f1f3f4;
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
      background-color: var(--bg-light);
      color: var(--text);
      line-height: 1.7;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }
    .tuloer {
        text-align: center;
        padding: 60px 20px 50px;
       /* background: linear-gradient(135deg, rgba(26, 115, 232, 0.05), transparent); */
        background: url(/static/img/topbj.png) top no-repeat;
        background-size: 100% 528px;
        margin-bottom: 40px;
    }
    .tuloer h1 {
        font-size: 2.8rem;
        color: var(--primary);
        margin-bottom: 16px;
    }
    .tuloer p {
        font-size: 1.2rem;
        color: var(--text-secondary);
        max-width: 880px;
        margin: 0 auto;
    }

   .tuloer .highlight {
      background: linear-gradient(120deg, rgba(26,115,232,0.15) 0%, transparent 100%);
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 600;
    }
    /* 头部导航栏 */
    .navbar {
      background: linear-gradient(135deg, #1a73e8, #0d5bb8);
      color: white;
      padding: 16px 20px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .nav-links {
      display: flex;
      gap: 32px;
      font-size: 1rem;
    }
    .nav-links a {
      color: white;
      text-decoration: none;
      transition: color 0.2s;
    }
    .nav-links a:hover {
      color: #fff;
      text-decoration: underline;
    }
    .right-menu {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .right-menu a {
      color: white;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 4px;
      font-size: 0.95rem;
    }
    .right-menu a:hover {
      text-decoration: underline;
    }
    .dropdown {
      position: relative;
    }
    .dropdown-toggle::after {
      content: "▼";
      font-size: 0.8rem;
      margin-left: 4px;
    }
    .dropdown-menu {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      background: white;
      border: 1px solid var(--border);
      border-radius: 6px;
      min-width: 120px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      z-index: 1001;
    }
    .dropdown:hover .dropdown-menu {
      display: block;
    }
    .dropdown-menu a {
      display: block;
      padding: 8px 12px;
      color: var(--text);
      text-decoration: none;
      font-size: 0.95rem;
    }
    .dropdown-menu a:hover {
      background: #f1f3f4;
    }

    /* 主体内容 */
    section {
      background: var(--card-bg);
      border-radius: 16px;
      padding: 32px;
      margin-bottom: 40px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.04);
      border: 1px solid var(--border);
    }
    section h2 {
      font-size: 1.8rem;
      margin-bottom: 24px;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 12px;
    }
    section h3 {
      font-size: 1.3rem;
      margin: 24px 0 16px;
      color: var(--text);
    }
    ul, ol {
      padding-left: 24px;
      margin: 16px 0;
    }
    li {
      margin-bottom: 10px;
    }
    pre {
      background: var(--code-bg);
      color: #f8f8f2;
      padding: 18px;
      border-radius: 10px;
      overflow-x: auto;
      font-size: 0.92rem;
      margin: 16px 0;
      font-family: 'Fira Code', Consolas, monospace;
    }
    code {
      font-family: 'Fira Code', Consolas, monospace;
      background: var(--gray-bg);
      padding: 2px 6px;
      border-radius: 4px;
      font-size: 0.95em;
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      margin: 20px 0;
    }
    .comparison-table th,
    .comparison-table td {
      padding: 14px;
      text-align: left;
      border-bottom: 1px solid var(--border);
    }
    .comparison-table th {
      background: rgba(26,115,232,0.05);
      color: var(--primary);
    }
    .platform-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }
    .platform-card {
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 20px;
      background: #fafcff;
    }
    .platform-card h4 {
      color: var(--primary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .api-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 24px;
      margin-top: 20px;
    }
    .api-card {
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 20px;
      background: #fcfdff;
    }
    .api-card h4 {
      margin-bottom: 12px;
      color: var(--text);
    }
    .is-mcp span{
     color: #fff;
     font-size: 12px;
     padding: 4px;
     border-radius: 4px;
     margin: 0px 2px 0px 6px;    
     background-color: #7b8806;
    }
    .tag {
      display: inline-block;
      background: var(--primary);
      color: white;
      font-size: 0.8rem;
      padding: 2px 8px;
      border-radius: 20px;
      margin-right: 8px;
    }
    .faq-item {
      margin-bottom: 20px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border);
    }
    .faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }
    @media (max-width: 768px) {
      .nav-links, .right-menu {
        display: none;
      }
      .navbar-container {
        flex-direction: column;
        gap: 12px;
      }
      .search-box {
        width: 100%;
        margin: 0;
      }
    }