.problem{margin-bottom: 200px;}
.problem .Breadcrumb{
    height: 60px;line-height: 60px;
    padding-left: 100px;color: #333;font-size: 20px;
    background: #f2f2f2;
}
.problem .p_content{
    overflow: hidden;
}
.problem .p_content .p_left{
    width: 250px;font-size: 14px;color: #666;
    margin-top: 20px;
    border: 1px solid #ccc;
    margin-left: 100px;
    float: left;
}
.problem .p_content .p_left.autofixed{
    position: fixed;
    /*left: 100px;top: 100px;*/
    left:0;top:0;
}
.problem .p_content .p_left.autobottom{
    position: absolute;
    /*left: 100px;top: 100px;*/
    left:0;top:750px;
}
.problem .p_content .p_left a{
    display: block;height: 44px;line-height: 44px;
    border-bottom: 1px solid #ccc;padding-left: 10px;
}
.problem .p_content .p_left a.backactive{
    background: #eee;
}
.problem .p_content .p_left a.active{color: #f25322;}
.problem .p_content .p_left a i.active{
    background: #f25322;width: 15px;height: 15px;
    margin-top: -3px;
    vertical-align: middle;
}
.problem .p_content .p_left a i{
    display: inline-block;
    width: 10px;height: 10px;
    border-radius: 50%;
    background: #9a9a9a;
    margin-right: 15px;
}
.problem .p_content .p_left a:hover{
    color: #f25322;
}
.problem .p_content .p_left a:hover i{
    /*background: #f25322;width: 15px;height: 15px;*/
    /*margin-top: -3px;*/
    /*vertical-align: middle;*/
}
.problem .p_content .p_right{
    margin-right: 180px;margin-top: 34px;float: right;
}
.problem .p_content .p_right h4{
    font-size: 18px;margin-bottom: 15px;
}
.problem .p_content .p_right h4:not(:first-child){
    margin-top: 30px;
}
.problem .p_content .p_right p i{
    display: inline-block;width: 29px;height: 31px;
    background: url(/images/player/xinbi_18.png) no-repeat center center;
    vertical-align: middle;
    margin-top: -3px;
}
.problem .p_content .p_right p{font-size: 14px;margin-bottom: 16px;}
.problem .p_content .p_right h4 i{
    display: inline-block;
    width: 10px;height: 10px;border-radius: 50%;background: #9a9a9a;margin-right: 10px;
}