main > ul{
    width: 1200px;
    /* background-color: blueviolet; */
    margin: 60px auto 0;
}
main > ul > li:first-of-type{
    width: 100%;
    /* height: 800px; */
    /* background-color: burlywood; */
}
main > ul > li:first-of-type > ul{
    display: flex;/*弹性盒模型*/
}
main > ul > li:first-of-type > ul > li:first-of-type{
    width: 650px;
    height: 600px;
    background-color: rgb(218, 218, 218);
    margin: auto;
    border-radius: 200px 200px 200px 200px/300px 300px 300px 300px;/*圆角大小*/
}
main > ul > li:first-of-type > ul > li:nth-child(2){
    width: 550px;
    height: 600px;
    /* background-color: gold; */
}
main > ul > li:first-of-type > ul > li:nth-child(2) > p{
    margin: 30px  176px;
    font-size:38px;/*字体大小*/
    /* font-weight:bold;字体粗细 */
}
main > ul > li:first-of-type > ul > li:nth-child(2) > p:first-of-type{
    margin-top: 130px;
}
main > ul > li:nth-child(2){
    width: 100%;
    height: 810px;
    margin-top: 20px;
    background-color: rgb(255, 242, 242);
}
main > ul > li:nth-child(2) > p{
    height: 60px;
    background-color: rgb(246, 255, 121);
    font-size:38px;/*字体大小*/
    font-weight:bold;/*字体粗细*/
    line-height:55px;/*字体垂直居中*/
    text-align:center;/*字体水平居中*/
}
main > ul > li:nth-child(2) > ul > li{
    float: left;
    width: 285px;
    height: 230px;
    margin: 20px 0 0 20px;
    background-color: cornflowerblue;
}
main > ul > li:nth-child(2) > ul > li:first-of-type{
    margin: 20px 0 0 0;
}
main > ul > li:nth-child(2) > ul > li:nth-child(5){
    margin: 20px 0 0 0;
}
main > ul > li:nth-child(2) > ul > li:nth-child(9){
    margin: 20px 0 0 0;
}
main > ul > li:nth-child(2) > ul > li > a{
    display: inline-block;/*变元素*/
    width: 285px;
    height: 230px;
}
main > ul > li:nth-child(2) > ul > li > a > p{
    background-color: rgb(65, 65, 65);
    color: rgb(245, 245, 245);
    text-align:center;/*字体水平居中*/
}
main > ul > li:nth-child(2) > ul > li > a:hover > p{
    background-color: rgb(224, 224, 224);
    color: rgb(0, 82, 83);
}