body {
      margin: 0;
      padding: 0;
      font-family: 'Segoe UI', sans-serif;
      background-image: url(../../publicPhotos/background.jpg);
      background-repeat:no-repeat;
      background-size:cover;
      background-attachment:fixed;
      color: #f0f0f0;
      min-height: 100vh;
    }

    .cool-container {
      display: flex;
      max-width: 1200px;
      margin: 200px auto 0px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 16px;
      backdrop-filter: blur(12px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
      overflow: hidden;
    }

    .cool-sidebar {
      width: 260px;
      background: rgba(0, 0, 0, 0.3);
      backdrop-filter: blur(10px);
      padding: 30px 20px;
      border-right: 1px solid rgba(255,255,255,0.08);
      box-sizing: border-box;
    }

    .cool-sidebar h2 {
      font-size: 22px;
      margin-bottom: 24px;
      text-align: center;
      color: #00d9ff;
    }

    .cool-category-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .cool-category-list li {
      margin-bottom: 16px;
    }

    .cool-category-list a {
      display: block;
      padding: 12px 16px;
      background: rgba(0, 217, 255, 0.08);
      color: #00d9ff;
      border-radius: 10px;
      text-decoration: none;
      font-size: 16px;
      transition: 0.3s;
      position: relative;
      overflow: hidden;
    }

    .cool-category-list a:hover {
      background: rgba(0, 217, 255, 0.2);
      transform: scale(1.03);
      box-shadow: 0 0 12px #00d9ff88;
    }

    .cool-main {
      flex: 1;
      padding: 40px;
      box-sizing: border-box;
    }

    .cool-main h1 {
      font-size: 26px;
      margin-top: 0;
      color: #ffffff;
    }

    .cool-main p {
      font-size: 17px;
      line-height: 1.8;
      color: #ccc;
    }

    .article-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .article-card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 12px;
      padding: 20px;
      color: #fff;
      box-shadow: 0 6px 12px rgba(0,0,0,0.3);
      transition: transform 0.3s, box-shadow 0.3s;
      cursor: pointer;
    }

    .article-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.4);
    }

    .article-card h3 {
      margin-top: 0;
      font-size: 18px;
      color: #21690e;
    }

    .article-card p {
      font-size: 14px;
      color: #000;
    }

    .article-card.view-all {
      background: linear-gradient(to right, #00d9ff, #0077ff);
      color: white;
      font-weight: bold;
      text-align: center;
    }

    .article-card.view-all:hover {
      background: linear-gradient(to right, #0095ff, #0058ff);
    }
    /* 所有文章卡片链接去除下划线 */
#article-grid a {
  text-decoration: none;
  color: inherit; /* 保持继承颜色 */
}

/* 可选：hover 时添加样式 */
#article-grid a:hover {
  text-decoration: none; /* 确保 hover 时也不加下划线 */
}


    @media (max-width: 1025px) {
      .cool-container {
        flex-direction: column;
        margin: 80px 10px 20px;
      }

      .cool-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding: 20px 10px;
      }

      .cool-category-list {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 12px;
      }

      .cool-category-list a {
        white-space: nowrap;
        font-size: 14px;
        padding: 10px 12px;
      }

      .cool-main {
        padding: 20px;
      }
    }