body {
    background: #f7f7f7;
}
/* 左 */
.con_left {
    width: 300px;
    float: left;
    margin: 80px 0px;
}


.so_class_item {
    background: #f8e5e5;
    text-align: center;
    height: 60px;
    line-height: 59px;
    box-sizing: border-box;
    border-bottom: 1px solid #f7f7f7;
}
.so_class_itemactive {
    background: #de201f !important;
    color: #ffffff;
}
    .so_class_item:hover {
        background: #de201f;
        color: #ffffff;
    }

/* 右 */

.con_right {
    margin: 80px 0px;
    box-sizing: border-box;
    padding-left: 40px;
    overflow: hidden;
}

.so_list {
    background: white;
    box-sizing: border-box;
    padding: 20px;
}
.new_title {
    padding-bottom: 20px;
    margin-bottom: 20px;
    margin-top: 15px;
    border-bottom: 1px solid #f7f7f7;
}

.new_name {
    font-size: 25px;
    font-weight: bold;
    padding-bottom: 20px;
    text-align: center;
    line-height: 40px;
}

.new_num {
    width: 50%;
    margin: 10px auto;
    color: #888;
    font-size: 14px;
}

.article {
    text-align: justify;
    text-indent: 2em;
    line-height: 46px;
    font-size: 16px;
    margin-bottom: 1em;
    color: #333333;
}

    .article > img {
        max-width: 100%;
    }
@media screen and (max-width:992px) {
    .con_left {
        width: 100%;
        float: none;
        margin: 20px 0px;
    }
    .con_right {
        margin: 20px 0px;
        padding-left: 0px;
    }
}
@media screen and (max-width:768px) {
    .con_left {
        margin: 10px 0px;
    }
    .con_right {
        margin: 10px 0px;
    }
    .so_class_item {
        width: 33.3%;
        float: left;
        height: 40px;
        line-height: 39px;
        box-sizing: border-box;
        margin: 10px 0px;
        border-right: 1px solid #fcc3c3;
    }
    .so_list {
        padding: 10px;
    }
    .new_title{
        padding-bottom: 10px;
        margin-bottom: 10px;
    }
    .new_name{
        font-size: 18px;
        padding-bottom: 10px;
    }
    .new_num {
        width: 100%;
        margin: 10px auto;
        font-size: 12px;
    }
    .article {
        font-size: 14px;
        color: #333333;
    }
}