body {
      margin: 0;
      font-family: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: #f4f6f9;
      color: #222;
    }

    .article-channel-page {
      max-width: 800px;
      margin: 60px auto;
      padding: 0 20px;
    }

    .channel-header {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 40px;
    }

    .channel-topbar {
      display: flex;
      justify-content: flex-start;
    }

    .home-link {
      font-size: 14px;
      font-weight: 500;
      color: #0070c0;
      text-decoration: none;
      background: #e8f3ff;
      padding: 6px 16px;
      border-radius: 999px;
      border: 1px solid #d0e6f9;
      box-shadow: 0 2px 6px rgba(0, 112, 192, 0.08);
      transition: all 0.2s ease-in-out;
    }

    .home-link:hover {
      background: #0070c0;
      color: #fff;
      border-color: #0070c0;
      box-shadow: 0 4px 10px rgba(0, 112, 192, 0.15);
    }

    .channel-heading {
      font-size: 28px;
      font-weight: bold;
      border-bottom: 2px solid #eee;
      padding-bottom: 10px;
      color: #222;
    }

    .article-list {
      display: flex;
      flex-direction: column;
      gap: 36px;
    }

    .article-item {
      background: #fff;
      padding: 24px 20px;
      border-radius: 12px;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
      transition: all 0.3s ease;
    }

    .article-item:hover {
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
      transform: translateY(-4px);
    }

    .article-content h2 {
      font-size: 20px;
      margin-bottom: 12px;
      font-weight: 600;
    }

    .article-content h2 a {
      color: #222;
      text-decoration: none;
    }

    .article-content h2 a:hover {
      color: #0070c0;
    }

    .article-content p {
      font-size: 15px;
      color: #555;
      line-height: 1.7;
      margin-bottom: 8px;
    }

    .meta {
      font-size: 13px;
      color: #999;
    }

    .pagination {
      display: flex;
      justify-content: center;
      margin: 50px 0 20px;
      gap: 6px;
      flex-wrap: wrap;
    }

    .pagination a,
    .pagination span {
      display: inline-block;
      padding: 8px 14px;
      font-size: 14px;
      color: #333;
      text-decoration: none;
      border: 1px solid #ddd;
      border-radius: 6px;
      transition: all 0.2s ease;
    }

    .pagination .page:hover,
    .pagination .prev:hover,
    .pagination .next:hover {
      background-color: #f0f0f0;
    }

    .pagination .active {
      background-color: #0070c0;
      color: #fff;
      border-color: #0070c0;
      font-weight: bold;
    }

    .pagination .ellipsis {
      padding: 8px 10px;
      color: #aaa;
      border: none;
    }

/* 顶部广告 */
.top-banner-ad {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #1a1a1a;
  color: #fff;
  padding: 14px 20px;
  font-size: 15px;
  text-align: center;
  z-index: 1000;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  animation: slideDown 0.4s ease-out;
  box-sizing: border-box;
}

.top-banner-ad a {
  color: #4fc3f7;
  text-decoration: none;
  font-weight: 600;
  margin-left: 8px;
}

.top-banner-ad a:hover {
  text-decoration: underline;
}

.banner-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.ad-label {
  background-color: #d72638;
  color: #fff;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: bold;
}

.banner-close {
  position: absolute;
  right: 10px;
  font-size: 20px;
  cursor: pointer;
  color: #aaa;
  transition: color 0.3s;
  user-select: none;
}

.banner-close:hover {
  color: #fff;
}

/* 主体内容容器，顶部留白避免被广告遮挡 */
.container {
  margin-top: 80px;
  transition: margin-top 0.3s ease;
}

/* 动画效果 */
@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* --- 移动端适配 --- */
@media (max-width: 600px) {
  .top-banner-ad {
    padding: 12px 15px;
    font-size: 14px;
  }
  
  .banner-close {
    font-size: 24px;
    right: 8px;
  }
  
  .container {
    margin-top: 70px;
  }

  .banner-inner {
    flex-direction: column;
    gap: 6px;
  }

  .ad-label {
    font-size: 11px;
    padding: 2px 5px;
  }
  
  .top-banner-ad a {
    margin-left: 0;
    word-break: break-word;
  }
}    
/* 版权 */
.page-footer {
  background-color: #222;
  color: #bbb;
  font-size: 13px;
  padding: 20px 15px;
  text-align: center;
  margin-top: 80px;
  user-select: none;
}

.page-footer a {
  color: #4fc3f7;
  text-decoration: none;
}

.page-footer a:hover {
  text-decoration: underline;
}

.footer-container p {
  margin: 6px 0;
  line-height: 1.5;
}