*{
    margin: 0;
}
ul {
    color: aliceblue;
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0);
    height: 55px;
    width: 100%;
    position: fixed;
}

li {
    float: left;
}

li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover {
    background-color: #c0d8f8;
}
li img{
    height: 55px;
}
.zhuye{
    width: 100%;
}
.zhuye img{
    width: 100%;
    height: 600px;
}
.wenti{
    margin-top: 20px;
    width: 100%;
    text-align: center;
}
.tit{
    font-size: 36px;
}
.tit2{
    font-size: 24px;
}
.card-list1{
    width: 1300px;
    margin: auto;
    margin-top: 30px;
    height: 400px;
}
.card{
    background-color:#dce9f9;
    width: 380px;
    height: 400px;
    float: left;
    margin-left: 40px;
    border-radius: 25px;
}
.card-list1 img{
    width: 380px;
    height: 240px;
    border-radius: 25px;
}
.tt{
    text-align: center;
    font-size: 24px;
}
.bod{
    margin-top: 25px;
    width: 80%;
    text-align: center;
    margin: 0 auto;
}