.abt{
    position: relative;
    margin-top: 30px;
    height: 100%;
}
.abt .left{
    float: left;
    width: 20%;
    height: 100%;
}
.abt .right{
    float: right;
	line-height: 30px;
    /*margin-left: 1%;*/
    margin-top: 17px;
    margin-bottom: 200px;
    width: 80%;
    height: 100%;
    border: 1px solid #e5e5e5;
    background: #ffffff;
    padding: 20px;
    color: #666666;
    font-family: Roboto-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma, Arial, sans-serif;
}
.abt .mids{
    float: right;
    /*margin-left: 1%;*/
    margin-top: 17px;
    margin-bottom: 200px;
    width: 100%;
    height: 100%;
    border: 1px solid #e5e5e5;
    background: #ffffff;
    padding: 20px;
    color: #666666;
    font-family: Roboto-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma, Arial, sans-serif;
}
.abt .left dl {
    background: #ffffff;
    cursor: pointer;
}

.help-center-list dt {
    font-size: 16px;
    padding: 0 0 0 10%;
    color: #777777;
    line-height: 57px;
    font-family: Roboto-Regular, Roboto, "Helvetica Neue", Helvetica, Tahoma, Arial, sans-serif;
}
.help-center-list dd:first-of-type a{
    border-top: 1px solid #eeeeee
}
.help-center-list dd:last-of-type a{
    border-bottom: none
}
.help-center-list dd {
    width: 90%;
    padding-left: 10%;
}
.help-center-list dt b{
    color: #333333;
    font-size: 16px;
    font-weight: 700;
}
.help-center-list a {
    display: inline-block;
    padding: 10px 0 10px 10%;
    width: 88%;
    color: #666666;
    font-size: 14px;
    font-weight: 10;
    border-bottom: 1px solid #eeeeee;
    transition: .5s;
}
.help-center-list a:hover {
    color: #00936d;
}
.help-center-list a.active {
    color: #00936d;
    background: url(../../../images/mark/oval-icon.png) no-repeat;
    background-position-y: 50%;
    background-position-x: 3px;
}
.article-plus.on{
    background-position: 0 0;
}
.help-center-list dt b {
    display: block;
    width: 80%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}