html,body{
    height:100%;
}
body{
    margin:0;
    padding:0;
    background:#e7e8eb;
    position:relative;
}
a{
    color:#000;
    text-decoration: none;
}
input,button{
    border:0;
    outline:none;
}
.head{
    width:100%;
    height:45px;
    line-height:45px;
    font-size:20px;
    background:#fff;
    border-radius:4px;
    color:#1890ff;
    font-weight:bold;
    text-align: center;
}
.baiduBox{
    width:640px;
    margin:20px auto;
}
.search_input{
    width:420px;
    height:36px;
    border:1px solid #2eaeea;
}
.search_btn{
    width:180px;
    height:38px;
    color:#fff;
    background:#2eaeea;
    cursor:pointer;
}
.wrap{
    width:1200px;
    margin:0 auto;
}
.category{
    width:680px;
    border:1px solid #d3d3d3;
    background:#fff;
    margin-bottom:15px;
}
.category_title{
    padding:10px 15px;
    box-sizing: border-box;
    border-bottom:1px solid #d3d3d3;
}
.category_links{
    display:flex;
    flex-wrap:wrap;
    padding:20px 15px;
    box-sizing: border-box;
}
.category_link{
    width:157px;
    font-size:14px;
    display:flex;
    align-items: center;
    margin-bottom:10px;
}
.category_link:hover{
    color:#1890ff;
    text-decoration: underline;
}
.category_item_pic{
    width:20px;
    height:20px;
    margin-right:6px;
}
.footer{
    position:absolute;
    bottom:0;
    left:50%;
    transform:translateX(-50%);
    background:#06060b;
    width:100%;
    height:70px;
    line-height:70px;
    text-align: center;
    color:#60606d;
    cursor:pointer;
}