.help_center_div
{
    width:100%;
    background-color: rgba(245,245,245,1);            
    min-height: 500px;
    font-family: "Verdana","Microsoft YaHei";     
}

.help_center_div .inner
{
    width:1200px;
    margin:10px 0 50px 0;
    padding:10px 0 0 0;
}

.help_center_div .inner .left
{
    width:230px;
    min-height:500px;
    background-color: rgba(255,255,255,1);        
    border:0px solid rgba(255,0,0,1);
    margin:0 20px 0 0;
    padding:0 0 40px 20px;
}

.help_center_div .inner .left .item
{
    font-size: 16px; 
    color:rgba(0,0,0,1);
    padding:20px 0 0 0;
}
.help_center_div .inner .left .item .title
{
    margin:0 0 10px 0;
}
.help_center_div .inner .left .item .sub_item
{
    font-size: 14px; 
    color:rgba(0,0,0,0.7);
    padding:5px 0 5px 40px;
}

.help_center_div .inner .left .item .sub_item_selected
{
    color:rgba(38,109,125,1);    
}

.help_center_div .inner .left .sub_item:hover
{
    color:rgba(38,109,125,1);
    cursor: pointer;
}

.help_center_div .inner .right
{
    width:880px;
    min-height:700px;
    background-color: rgba(255,255,255,1);            
    border:0px solid rgba(0,0,0,1);
    padding:30px 20px 20px 30px;
}

.help_center_div .inner .right .title_1
{
    width:100%;
    font-size: 32px; 
    color:rgba(100,100,100,0.3);
    padding:0 0 30px 0;
    border-bottom: 1px solid rgba(100,100,100,0.3);       
}
.help_center_div .inner .right .title_2
{
    font-size: 16px; 
    color:rgba(0,0,0,0.8);
    margin:10px 0 0 0;
    padding:10px 0 10px 0;
}

.help_center_div .inner .right .text_1
{
    font-size: 14px; 
    color:rgba(0,0,0,0.7);
    padding:5px 0 5px 0;  
    line-height: 1.6;    
}

.help_center_div .inner .right .text_2
{
    font-size: 14px; 
    color:rgba(0,0,0,0.7);
    padding:5px 0 5px 0;    
    margin:20px 0 0 0 ;
    line-height: 1.6;    
}

.help_center_div .inner .right .inner
{
    width:100%;
}