body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f5f5f5; 
  color: #333; 
  line-height: 1.6;
	 user-select: none; /* CSS3 禁止选择文字*/
    -moz-user-select: none; /* Firefox 禁止选择文字*/
    -ms-user-select: none; /* IE10+ 禁止选择文字*/
    -webkit-user-select: none; /* before CSS3 禁止选择文字*/
}
  

.tab-container {
  max-width: 710px;
  margin: 20px auto;  /* 设置<div class="tab-container">上间距 */
  padding: 20px;
  border-radius: 8px;
  background: #fff; 
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tab-header {
  margin-bottom: 20px;
  border-bottom: 2px solid #ddd; 
}

.tab-link {
  font-size: 1.2em;
  padding: 10px 20px;
  border: none;
  border-top-left-radius: 5px; 
  border-top-right-radius: 5px; 
  background-color: #e0e0e0; 
  color: #666; 
  cursor: pointer;
  margin-right: 5px;
  transition: background-color 0.3s, color 0.3s; 
}

.tab-link.active,
.tab-link:hover {
  background-color: #007bff; 
  color: #fff;
}

.tab-content .tab {
  display: none;
  padding: 15px;
  border-radius: 0 5px 5px 5px; 
    padding: 15px;
  padding-bottom: 30px; 
}

.tab-content .tab.active {
  display: block;
  background: #fff; 
  box-shadow: 0 0 10px rgba(0,0,0,0.1); 
}

 
  .header-container {
    background-color: white; 
    width: 100%;
    height: 80px;
    display: flex; 
    justify-content: center; 
    align-items: center; 
  }
  .header-container h1 a {
    color: inherit; 
    text-decoration: none; 
  }
  .header-container h1 a:link,
  .header-container h1 a:visited,
  .header-container h1 a:hover,
  .header-container h1 a:active {
    color: inherit;
    text-decoration: none;
  }
 
a {
  text-decoration: none;
  display: inline-block;
}

a:link, a:visited, a:hover, a:active {
  text-decoration: none;
  color: inherit;
}

p a.special-link {
  background-color: black;
  color: #ffffff;
  text-decoration: none;
  display: inline-block;
  padding: 1px 1px;
  border-radius: 2px;
}
  .footer {
    background-color: #f8f9fa; /* 底部背景颜色 */
    color: #333; /* 文字颜色 */
    text-align: center; /* 文字居中 */
    height: 40px; /* 高度 */
    line-height: 10px; /* 行高与底部高度一致，使得文字垂直居中 */
    width: 100%; /* 宽度全屏 */
    position: fixed; /* 固定在底部 */
    bottom: 0; /* 底部对齐 */
    left: 0; /* 左侧对齐 */
    font-size: 14px; /* 字体大小 */
  }
@media (max-width: 600px) {
  .tab-container {
    padding: 10px;
  }
  .tab-link {
    padding: 8px 15px;
  }
}