.tab-tit {
    height: 40px;
}

.tab-tit a {
    width: 25%;
    text-align: center;
    float: left;
    height: 40px;
    line-height: 40px;
    color: #333;
    font-size: 20px;
    position: relative;
}

.active {
    border-bottom: 3px solid #28b5a9;
}

.active:after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    margin-left: -13px;
    width: 100%;
    background: url(/Sites/Uploaded/UserUpLoad/20180809/20180809094651.jpg) no-repeat center;
    display: block;
    width: 26px;
    height: 8px;
}

.tab-con {
    margin-top: 20px;
}

.tab-con .news {
    display: none;
    border: 1px solid #ccc;
    box-shadow: 0px 0px 15px #ccc;
    padding: 20px;
}

.tab-con .news li {
    line-height: 40px;
}

.tab-con .news li .span_date {
    float: right;
}

.tab-con .selected {
    display: block;
}

.col-box {
    padding-left: 20px;
    padding-top: 60px;
    box-sizing: border-box;
}

.col-box a {
    display: block;
    color: #fff;
    border: 1px solid #ccc;
    height: 70px;
    width: 100%;
    text-align: center;
    line-height: 70px;
    font-size: 20px;
    box-shadow: 0px 0px 15px #ccc;
    transition: all 0.3s;
}

.col-box a:hover {
    font-weight: bold;
}

.col-box a.box1 {
    background: #528eb5;
}

.col-box a.box2 {
    margin: 13px 0px;
    background: #55a5aa;
}

.col-box a.box3 {
    background: #28b5a9;
}

@media screen and (max-width:1366px) {
    .main_content {
        margin-bottom: 40px;
    }
    .col-box a {
        font-size: 15px;
    }
}

@media screen and (max-width:768px) {
    .col-md-8 {
        width: 100%;
    }
    .col-md-4 {
        padding-top: 20px;
        width: 100%;
        padding-left: 0;
    }
}

@media screen and (max-width:640px) {
    .tab-tit a,
    .col-box a {
        font-size: 14px;
    }
}

@media screen and (max-width:375px) {
    .tab-tit a,
    .col-box a {
        font-size: 12px;
    }
}