body {
    font-family: 'Verdana', 'Tahoma', 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', 'Arial', sans-serif;
    line-height: 1.6; 
    margin: 0 12% 0 12%;

}




header {
    padding: 10px;
    margin-top: 25px;
    
    display: flex;
    align-items: center;
    width: 100%;
    height: 23px;


  }

  .logo img {
    aspect-ratio: 16/9;
    width: 78px;
    height: auto;


  }
  
  
  /* 为 nav 内部的 li 设置 Flex 布局 */
  nav ul {
    display: flex;
    justify-content: space-evenly; 
    list-style: none;
    padding: 0;
    color: #ffcc00;
  }




li{
    margin: 0;
    flex: 0 0 auto;  /* 防止菜单项被压缩 */

}


header a {
    color: #ffcc00;
    text-decoration: none;
}



.video-section {

  width: 79%;


  height: auto;
    
}



.iframe-video-content iframe {
  width: 100%;
  aspect-ratio: 16/9;

  border: none;
}



img {
  width: 34%;
  height: auto;
  display: block; /* 将 img 转换为块级元素 */
  margin-left: auto;
  margin-right: auto;
}


footer {

    margin-bottom: 20px;

    background-color: #33363c;
    color: #fff;

    padding: 20px;
}

footer a {
    color: #ffcc00;
    text-decoration: none;
}



.secrlinks {
  display: none;
}










h1, h2, h3 {
    text-align: center;
    margin: 20px 0;
    font-weight: bold;

  }


h4, h5, h6 {
    text-align: left;
    margin: 20px 0;
    font-weight: bold;
  }
  
  h1 {
    font-size: 1.75em;
  }
  
  h2 {
    font-size: 1.5em;
  }
  
  h3 {
    font-size: 1.25em;
  }
  
  h4, h5, h6 {
    font-size: 1em; 
  }


p {

    text-align: left;
    margin: 10px 0;
    font-size: 1em; 
    font-weight: normal; /* 确保不加粗 */
    text-indent: 2em;

  }











a {
    text-decoration: none;
    font-size: 1em;
    color: black;
}

a:hover {
    text-decoration: underline;
}












@media (max-width: 789px) {





  body {
    margin: 0 5% 0 5%;
}







  .eye-of-rah-video-row {

    width: 99%;
  
  
    height: auto;
      
  }




  .iframe-video-content iframe {
    width: 99%;
    aspect-ratio: 16/9;
  
    border: none;
  }

.single-img {
  width: 91%;
  height: auto;
}

}