*{
    margin: 0;
}
/* 头部 */
.herd{
    width: 100%;
    height: 200px;
    text-align: center;
}
.herd p{
    font-weight: bold;
    font-size: 100px;
    color: rgb(236, 210, 210);
    font-family:sans-serif;
}
.herd span{
    font-size: 30px;
    font-family: 'Times New Roman', Times, serif;
}
/* 头部 */
/* 展览台 */
.box{
    width: 100%;
    padding: 30px 0px ;
    /* background-color: #e0afaf; */
}
.box .center{
    width: 80%;
    /* 改用限制最大长度，从而满足手机屏幕自适应 */
    max-width: 1000px;
    width: 70%;
    margin: 30px auto;
    /* background-color: #bea0a0; */
}
/* .card */
.box .center .card a{
    width: 100%;
    height: 100%;
    display: block;
    text-decoration: none;
    margin: 0px 30px 0px 30px;
    background-color: #fff;
    border: 1px solid black;
}
.box .center .round{
    width: 15px;
    height: 15px;
    /* margin-right: -9px; */
    margin-left: -9px;
    margin-top: 40px;
    background-color: blue;
    border-radius: 50%;
    float: left;
}
.box .center a{
    text-decoration: none;
    color: black;
}
.box .center a:hover{
    color: red;
    border: 1px solid red;
}
.box .center .card .small-card{
    width: 100%;
    height: 100px;
    border-left: 4px solid red;
    display: flex;
    flex-direction: row;
    padding-top: 30px;
    padding-bottom: 30px;
}
.box .center .centen{
    display: flex;
    flex-direction: column;
    padding: 10px;
}
.box .center .centen p{
    text-align: center;
}
/* .card end*/
/* 展览台 */
/* 回到顶部按钮样式 */
#backToTop {
    position: fixed;
    bottom: 50px;
    right: 30px;
    display: none; /* 默认隐藏 */
    color: white;
    background-color: rgba(0, 0, 0, 0);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}
#backToTop:hover {
    background-color: #c8f2f8;
}
/* 分页部分 */
.box .pagination{
    width: 100%;
    height: 50px;
    margin-top: 50px;
    /* background-color: #f7cdcd; */
    display: flex;
    justify-content: center;
}
.box .pagination a{
    display: block;
    line-height: 50px;
    width: 80px;
    font-size: 15px;
    text-decoration: none;
    background-color: #fff;
    text-align: center;
}
.box .pagination span{
    display: block;
    width: 80px;
    background-color: #fff;
    text-align: center;
    line-height: 50px;
}