*{
    padding: 0;
    margin: 0;
}
.box1{
    width: 1151px;
    height: 122px;
    background-color: skyblue;
    padding-left: 38%;

}
.box1 .b1{
    margin-left: 150px;
    width: 250px;
    height: 35px;

}
.box2{
    width: 1148px;
    height: 122px;
    background-color: skyblue;
    font-family: 方正舒体;
    font-size: 60px;
    color: black;
    padding-left: 709px;
}
.box5{
    height: 39px;
    background-color: #333333;
    padding-left: 350px;
}
.box5 .b{
    margin-left: 70px;
}
.box5 a{
    color: #b0b0b0;
    text-decoration: none;
    line-height: 40px;
    }
.box5 em {
    font-style: normal;
    color: #3c423c;
    margin: 0 8px;
}
.box7{
    width: 1860px;
    height: 1510px;
    background-color:#e4ebf1 ;
}
.box7 .box3 {
    position: relative;
    float: left;
    background-color: #e4ebf1;
    width: 920px;
    height: 1460px;
    font-family: 方正舒体;
    font-size: 60px;
    color: black;
    padding-left: 50px;
    padding-top: 40px;
}
.box7 .box3 ul li{
    padding-top: 100px;
    color: dimgray;
    list-style: none;
    font-family: 楷体;
    font-size: 50px;
}
.box7 .box3 ul li a{
        text-decoration: none;
    }
  .box7  .box3 ul li a:hover{
        color: peru;
    }
    .box7 .box3 ul li img{
        width: 830px;
        height: 550px;

    }
.box7 .box4{
    float: right;
    background-color:#e4ebf1;
    width: 885px;
    height: 1500px;

}
.box7 .box4 h4{
    padding-top: 40px;
    font-family: 楷体;
    font-size: 50px;
}
.box7 .box4 h4:hover{
    color: peru;
}
.box7 .kaitou{
    padding-top: 30px;
    font-size: 30px;
    text-indent: 2em;
}
.box7 .box5{
    background-color:#e4ebf1;
    width: 450px;
    height: 1000px;}