*{

    margin: 0;

    margin: 0;

}

a{

    text-decoration: none;

}

ol,ul{

    list-style: none;

}

body{

    background-color: aliceblue;

}



.header {

    width: 100%;

    height: 100px;

    background-color: rgb(254, 255, 255);

    margin: 0 auto;

    position: fixed;

    left: 0;

    top: 0;

    display: flex;

    align-items: center;

    justify-content: space-between;

    padding: 0 20px;

    box-sizing: border-box;

}



.header div {

    width: 400px;

}



.header h1 {

    width: 200px;

    height: 80px;

    font-size: 15px;

    padding-top: 20px;

    text-align: right;

}



.header h2 {

    width: 300px;

    height: 100px;

    padding-left: 40px;

}



.header h3 {

    width: 700px;

    margin: 0 auto;

    padding-left: 100px;

    padding-top: 35px;

    display: flex;

    justify-content: center;

    flex-wrap: wrap;

}



.header h3 a {

    padding-left: 40px;

    color: #000;

    text-decoration: none;

}



/* Media Queries for responsiveness */

@media (max-width: 1200px) {

    .header h3 {

        width: 100%;

        padding-left: 0;

    }



    .header h3 a {

        padding-left: 20px;

    }

}



@media (max-width: 768px) {

    .header {

        flex-direction: column;

        height: auto;

        padding: 10px;

    }



    .header h2, .header h1 {

        width: 100%;

        text-align: center;

        padding: 0;

    }



    .header h3 {

        width: 100%;

        padding-top: 10px;

        justify-content: center;

    }



    .header h3 a {

        padding: 10px;

        display: block;

    }

}



.ac{

    width: 1000px;

    height: 100px;

    background-color: rgb(255, 255, 255);

    margin: 0 auto;



}

.title1{

    width: 1600px;

    height: 40px;  

    margin: 0 auto;

    padding-top: 40px;

}

.DUMMY1{

    width: 1600px;

    height: 400px;  

    margin: 0 auto;

    background-color: aqua;

}

.DUMMY1 div{

    float: left;

    height: 400px;

    

}

.DUMMY1 div h2{

    font-size: 20px;

    font-weight: 400;

    text-align: left;

    margin-bottom: 26px;



    

    color:#4f4f4f;

   

    height: 300px;

    background-color: rgb(255, 255, 255);

    list-style-type: disc; 

   

}

.DUMMY1 h2 ul{

    

    padding-top: 40px;

    height: 250px;

    width: 700px;

}

.DUMMY1 ul p{

    

    width: 700px;

    font-size: 20px;

    padding-top: 20px;

}

.DUMMY1 div h3{

    width: 100%; 

    height: 100%;

    float: left;

    background-image: url(../img/logo.jpg);

    background-repeat: no-repeat;

   

}

img {

    height: auto; /* 保持图片的原始比例 */

    width: auto; /* 保持图片的原始比例 */

    max-width: 100%; /* 限制图片的最大宽度 */

    max-height: 100%; /* 限制图片的最大高度 */

}



.DUMMY1 div p{

   line-height: 20px;

   height: 24px;

   text-indent: 25px;

   display: block;

  

}

.DUMMY1 h4{

    text-align: center;

    font-size: 30px;

    width: 100px; 

    height: 40px;

    padding-top: 20px;

    margin: 0 auto; 

    background-color: black;

 border-radius: 50px;

}

.DUMMY1 h4 a{

    color: #ffffff;

    border-radius:30px;

    font-size: 15px;

}

.DUMMY1>:nth-child(1){

    width: 800px;

    background-color: rgb(254, 255, 255);

}

.DUMMY1>:nth-child(2){

    width: 800px;

    height: 400px;

    background-color: rgb(254, 255, 255);

  

}

.DUMMY1>:nth-child(2) >p:nth-child(2){

    height: 50px;

    background-color: aqua;

    margin-top: 38px;

    font-size: 12px;

    color: #515151;

    text-align: left;

    line-height: 30px; 

}

.DUMMY1>:nth-child(2) >p:nth-child(2)>span{

     font-size: 12px;

     line-height: 30px;

 }

 .DUMMY1 div h4{

    font-size: 14px;

    font-weight: 400;

    text-align: center;

    margin-bottom: 26px;

    margin: 0 auto;

}

 .Hyperlink{

    width: 1000px;

    height: 100px;

    margin: 0 auto; 

 }

 .Hyperlink h1{

    text-align: center;

    font-size: 30px;

    width: 100px; 

    padding-top: 20px;

    margin: 0 auto; 

    background-color: black;

 }

 .Hyperlink a{

    color: #ffffff;

    border-radius:30px;

   

    

 }

 /****************************/

.title2{

    width: 1600px;

    height: 45px;  

    margin: 0 auto;

    padding-top: 40px;

}



.ad{

    width: 100%;

    height: 20px;

}

 .site_info{

    width: 1600px;

    height: 180px;

    background-color: rgb(254, 255, 255);

    margin: 0 auto;

    

    

}

.site_info h1{

   

    font-size: 25px;

    padding-top: 20px;

    padding-left: 10px; 

   

}

.site_info h2{

    font-size: 15px;

    padding-top: 30px;

    padding-left: 20px; 

}

.ICP {

    width: 1000px;

    height: 150px;

    

    margin: auto;

}

.ICP h1{

    margin: auto;

    text-align: center;

}

.ICP h2{

    margin: auto;

    text-align: center;

}