.help_left{
    width:240px;
    background:#f8f8f8;
}
.help_left_head{
    height:60px; line-height:60px;
    background:#1853a8;
    text-align:center;
    color:#fff; font-size:18px;
}
.help_left_body{

}
.help_left_body{
    margin-left:40px;
}
.help_left_body>li{
    cursor:pointer;
}
.help_left_body>li>dl>dt{
    position:relative;
    height:48px; line-height:48px;
    border-top:1px solid #e6e6e6;
    font-size:16px; color:#333;
}
.help_left_body>li>dl>dt:after{
    content:'';
    position:absolute; right:15px; bottom:18px;
    width:0;height:0;
    border-left:6px solid transparent;
    border-right:6px solid transparent;
    border-top:6px solid  #8c7d7b;
}
.help_left_body>li.on>dl>dt:after{
    border-top:0;
    border-left:6px solid transparent;
    border-right:6px solid transparent;
    border-bottom:6px solid  #8c7d7b;
}

.help_left_body>li>dl>dd{
    display: none;
    height: 48px;
    line-height: 48px;
    padding-left: 10px;
    border-top:1px solid #e6e6e6;
    font-size: 12px;
    color: #666;
}
.help_left_body>li.on>dl>dd{
    display:block;
}
.help_left_body>li>dl>dd>a{
    display:block;
    height: 48px;
    line-height: 48px;
    font-size: 12px;
    color: #666;
}
.help_left_body>li>dl>dd>a:hover{
    padding-left:10px;
    color:#ff0000;
}

.help_right{
    width:874px;
    padding:12px 27px 12px 37px;
    background:#fff;
}
.head_body_left{
    display:inline-block;
    line-height: 60px;
    margin-left:70px;
    padding-left:25px;
    border-left: 1px solid #ddd;
    font-size: 16px;
    color: #333333;
}
.head_body_right>a{
    cursor:pointer;
}