定位：小工具-自定义HTML

<style>
  .tools-container {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px;
    max-width: 1200px;
    margin: 0 auto;
  }

  /* 基础4列布局 - 大屏幕显示4个一行 */
  .tool-card {
    flex: 0 0 calc(25% - 12px); 
    min-width: 160px; 
    height: 100px;
    box-sizing: border-box;
  }

  /* 中大屏幕（1024px以下）调整为3列 */
  @media (max-width: 1024px) {
    .tool-card {
      flex: 0 0 calc(33.333% - 11px);
    }
  }

  /* 中屏幕（768px以下）调整为2列 */
  @media (max-width: 768px) {
    .tool-card {
      flex: 0 0 calc(50% - 8px);
    }
  }

  /* 小屏幕（480px以下）调整为1列 */
  @media (max-width: 480px) {
    .tool-card {
      flex: 0 0 100%;
      max-width: 300px;
      margin-left: auto;
      margin-right: auto;
    }
  }

  /* 卡片样式保持不变 */
  .tool-card {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    cursor: default; 
    transition: all 0.3s ease;
    border: 1px solid #ddd;
    background-color: #f8fafc;
  }
  
  .tool-card:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #bbb;
  }
  
  .tool-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    overflow: hidden;
    opacity: 0.15;
    transition: opacity 0.3s ease;
  }
  
  .tool-card:hover .tool-bg {
    opacity: 0.2;
  }
  
  .tool-icon {
    position: absolute;
    top: 10px;
    right: -10px;
    transform: rotate(15deg);
    width: 60px;
    height: 60px;
  }
  
  
  .icon-design {
    position: relative;
  }
  
  .icon-design::before {
    content: '';
    position: absolute;
    width: 45px;
    height: 5px;
    background-color: #3b82f6;
    top: 30px;
    left: 5px;
    transform: rotate(-45deg);
  }
  
  .icon-design::after {
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    border-left: 5px solid #f97316;
    border-bottom: 5px solid #f97316;
    top: 18px;
    left: 38px;
    transform: rotate(135deg);
  }
  
  
  .icon-analysis {
    position: relative;
  }
  
  .icon-analysis::before,
  .icon-analysis::after,
  .icon-analysis span {
    content: '';
    position: absolute;
    width: 8px;
    background-color: #10b981;
    bottom: 5px;
  }
  
  .icon-analysis::before {
    height: 22px;
    left: 15px;
  }
  
  .icon-analysis span {
    height: 38px;
    left: 30px;
  }
  
  .icon-analysis::after {
    height: 30px;
    left: 45px;
  }
  
  
  .icon-edit {
    position: relative;
  }
  
  .icon-edit::before {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border: 5px solid #8b5cf6;
    border-radius: 3px;
    top: 10px;
    left: 10px;
  }
  
  .icon-edit::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 5px;
    background-color: #8b5cf6;
    top: 48px;
    left: 38px;
    transform: rotate(-45deg);
  }
  
  
  .icon-convert {
    position: relative;
  }
  
  .icon-convert::before,
  .icon-convert::after {
    content: '';
    position: absolute;
    height: 5px;
    background-color: #ec4899;
  }
  
  .icon-convert::before {
    width: 30px;
    top: 30px;
    left: 10px;
  }
  
  .icon-convert::after {
    width: 15px;
    top: 23px;
    left: 40px;
    transform: rotate(45deg);
  }
  
  .icon-convert span {
    content: '';
    position: absolute;
    width: 15px;
    height: 5px;
    background-color: #ec4899;
    top: 37px;
    left: 40px;
    transform: rotate(-45deg);
  }
  
  .tool-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 12px;
    color: #333;
    text-align: center;
  }
  
  .tool-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 10px 0;
    transition: all 0.3s ease;
  }
  
  .tool-card:hover .tool-title {
    color: #1e40af;
  }
  
  .tool-button {
    padding: 6px 16px;
    background-color: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 2px;
    color: #334155;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer; 
    display: inline-block; 
  }
  
  .tool-button:hover {
    background-color: #3b82f6;
    color: white;
    border-color: #2563eb;
  }
</style>

<div class="tools-container">
  <!-- 设计工具卡片 -->
  <div class="tool-card"> 
    <div class="tool-bg">
      <div class="tool-icon icon-design"></div>
    </div>
    <div class="tool-content">
      <h3 class="tool-title">设计色彩大全</h3>
      <a class="tool-button" href="https://zhongguose.com/" target="_blank">打开色彩库</a>
    </div>
  </div>
  
  <!-- 分析工具卡片 -->
  <div class="tool-card"> 
    <div class="tool-bg">
      <div class="tool-icon icon-analysis">
        <span></span>
      </div>
    </div>
    <div class="tool-content">
      <h3 class="tool-title">免费在线抠图</h3>
      <a class="tool-button" href="https://zh.bgsub.com/webapp/" target="_blank">立即抠图</a>
    </div>
  </div>
  
  <!-- 编辑工具卡片 -->
  <div class="tool-card"> 
    <div class="tool-bg">
      <div class="tool-icon icon-edit"></div>
    </div>
    <div class="tool-content">
      <h3 class="tool-title">免费商用字体</h3>
      <a class="tool-button" href="https://www.maoken.com/" target="_blank">立即下载</a>
    </div>
  </div>
  
  <!-- 转换工具卡片 -->
  <div class="tool-card"> 
    <div class="tool-bg">
      <div class="tool-icon icon-convert">
        <span></span>
      </div>
    </div>
    <div class="tool-content">
      <h3 class="tool-title">在线工具箱</h3>
      <a class="tool-button" href="https://www.udtool.com/" target="_blank">查看功能</a>
    </div>
  </div>
</div>

<script>
  function addToolCard(toolName, url, iconType) {
    const container = document.querySelector('.tools-container');
    const card = document.createElement('div');
    card.className = 'tool-card';
    // 移除卡片的onclick跳转
    
    let iconHtml = '';
    switch(iconType) {
      case 'design':
        iconHtml = '<div class="tool-icon icon-design"></div>';
        break;
      case 'analysis':
        iconHtml = '<div class="tool-icon icon-analysis"><span></span></div>';
        break;
      case 'edit':
        iconHtml = '<div class="tool-icon icon-edit"></div>';
        break;
      case 'convert':
        iconHtml = '<div class="tool-icon icon-convert"><span></span></div>';
        break;
      default:
        iconHtml = '<div class="tool-icon icon-design"></div>';
    }
    
    // 跳转功能移至按钮的href
    card.innerHTML = `
      <div class="tool-bg">
        ${iconHtml}
      </div>
      <div class="tool-content">
        <h3 class="tool-title">${toolName}</h3>
        <a class="tool-button" href="${url}" target="_blank">打开工具</a>
      </div>
    `;
    
    container.appendChild(card);
  }
</script>