body {
    background-color: #FFFFFF;
}
.main.container {
    margin-top: 7em;
}
.ui.footer.segment {
    margin: 5em 0em 0em;
    padding: 5em 0em;
}
.ui.menu{
    margin: 0 !important;
}
.second-footer {
    height: 90px;
}
.ui.header.container {
    margin-top: 4em;
}
.ui.problemSet.container {
    margin-top: 1em;
}
.ui.subPage.container {
    margin-top: 2em;
}
.ui.four.column.stackable.grid {
    padding-top: 1em;
}


body{
    padding: 0;
    margin: 0;
    background-color: #eee;
}

/* 主体内容 */
.min-contant{
    width: 100%;
    min-width: 1000px;
    height: calc(100% - 250px);
    padding-top: 50px;
}
.min-box{
    display: flex;
    justify-content: space-between;
}
.min-box .left{
    margin: 10px;
    margin-left: 0;
    padding: 20px 30px;
    width: 240px;
    background-color: #fff;
}
.min-box .refash{
    float: right;
    cursor: pointer;
    display: inline-block;
    color: #b1b1b1;
}
.min-box .active{
    color: #4cae4c;
}
.min-box .right{
    flex: 1;
    overflow-y: auto;
    margin-bottom: 10px;
}
.min-box .list-item{
    margin: 0;
    float: left;
    width: 100%;
    height: 150px;
}
.list-item .content{
    margin: 10px 10px 0 0;
    height: 140px;
    overflow: hidden;
    cursor: pointer;
}

.radio-box{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex !important;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}