/*body{
    background: rgb(243, 246, 251);
}*/
html,body,ul,li,p,h1,h2,h3,div{
    margin: 0;
    padding: 0;
}
html,body{
    min-width: 1200px;
    width: 100vw;
    font-size: 16px;
    background: #f3f6fb;
    overflow-x: hidden;
    font-family:微软雅黑;
}

@media screen and (max-width:1400px) {
    html,
    body{
        font-size: 12px;
    }
    .max_width{
        width: 1200px!important;
    }
}
.max_width{
    width: 1400px;
    margin: 0 auto;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    out-line: none;
}
a:focus, a:hover{
    /*color: white!important;*/
    /*background-color: #388CFF;*/
    text-decoration: none;
}
/*头部*/
.banner{
    width: 100%;
    background:rgba(255,255,255,1);
}
/*头部内容*/
.banner>div{

    margin: 0 auto;
    padding-top: 15px;
}
.banner_img>img{
    max-width: 100%;
}
.banner_list_one,.banner_list_two{
    text-align: center;
}
.banner_list_one>li,.banner_list_two>li{
    display: inline-block;
    padding: 1.5rem 2rem;
    line-height: 1rem;
}
.banner_list_one>li>a{
    font-size:1rem;
    font-weight:400;
    color: #303030;
    /*width: 100%;*/
}
.banner_list_one>li>a:hover{
    color: #388CFF;
}
/*头部*/
.banner{
    width: 100%;
    background:rgba(255,255,255,1);
}
/*头部内容*/
.banner>div{
    /*width: 73%;*/
    margin: 0 auto;
    padding-top: 15px;
}
.banner_img>img{
    max-width: 100%;
}
.banner_list_one,.banner_list_two{
    text-align: center;
}
.banner_list_one>li,.banner_list_two>li{
    display: inline-block;
    padding: 1.5rem 2rem;
    line-height: 1rem;
}
.banner_list_one>li>a{
    font-size:1rem;
    font-weight:400;
    color: #303030;
    /*width: 100%;*/
}
/*头部第二行列表*/
.banner_list_two>li{
    padding: 1.25rem 0;
    margin:0px 0.75rem ;
    line-height: 0.875rem;
}
.banner_list_two>li>a{
    font-size:0.875rem;
    font-weight:400;
    color:rgba(102,102,102,1);
}
.banner_list_one_active{
    color:#388CFF!important;
}
.banner_list_two>li:hover a,.banner_list_one>li:hover a{
    color:#388CFF!important;
}

/*下滑块*/
#bottomline_1{
    position: absolute;
    height: 3px;
    background-color: #388CFF;
    padding: 0;
    margin: 0;
    bottom: 0;
    transition: all 0.3s;
}
.banner_list_two{
    position: relative;
}
.banner_list_two .active{
    background-color: unset;
}

/*学员作业内容*/
.Task{
    /*width: 73%;*/
    margin: 0px auto 55px;
    /*margin-top: 30px;*/

}

/*学员作业内容 —— 行*/
.Task_row{
    display: flex;
    display: -ms-flexbox;

    justify-content: space-between;
    -ms-flex-pack: justify;

    flex-wrap: wrap;
    -ms-flex-wrap: wrap;


}
.Task_row>li{
    width: 24%;
    margin-bottom: 30px;
}
.Task_row>li>a>img{
    width: 100%;
}
.img-font-div{
    padding: 0 20px;
    width: auto;
    background:rgba(255,255,255,1);
    border-radius:0px 0px 4px 4px;
}
.img-type{
    height: auto;
    border: 0;
    transition: all 0.5s;

}
.img-type img{
    border-radius: 4px 0px 0 0;
}
.img-font-middle{


    margin-top: 12px;
    margin-bottom: 7px;
}
.img-type>a{
    overflow: hidden;
}
.small-navigation, .transverse{
    overflow: inherit;
}
.img-type:hover{

    transform: translateY(-6px);
    box-shadow:0px 15px 8px -10px rgba(75,75,75,0.1);
}
.img-type:hover .img-font-head{
    color:rgba(0,87,255,1);

}
.img-font-head{
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;

    margin: 0;
    padding-top: 20px;
    font-size: 1rem;
    line-height: 1rem;
    color:rgba(48,48,48,1);
}
.img-font-middle-study{
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;

    font-size:0.75rem;
    font-weight:400;
    color:rgba(153,153,153,1);
}
.img-font-bottom{
    margin: 0;
    padding-bottom: 10px;

    font-size:0.75rem;
    line-height: 0.75rem;
    font-weight:400;
    color:rgba(153,153,153,1);
}
.img-font-bottom-ding{
    border:1px solid rgba(238,238,238,1);
    border-radius:8px;
    padding: 0 5px;
    margin-top: 3px;
    color:rgba(153,153,153,1);
    font-size: 0.75rem;
}

/*选择*/
.Assignment_select{
    margin: 3.5rem 0 1rem;
    text-align: center;
}
.Assignment_select>li{
    background: #ffffff;
    width: 2.5rem;
    height: 2.5rem;
    line-height: 2.5rem;
    display: inline-block;
    margin: 0 5px;
    font-size:0.87rem;
    font-weight:400;
    color:rgba(153,153,153,1);
    border:1px solid rgba(238,238,238,1);
    border-radius:5px;
}
.Assignment_select_active{
    background:rgba(0,87,255,1);
    border:1px solid rgba(0,87,255,1);
    color:rgba(255,255,255,1)!important;
}