body{
    line-height: 1.5;
}
h4, h5{
    line-height: 1.5;
}
h1, h2, h3{
    line-height: 1.4;
}
.help-center-top {
    padding: 0 0 35px;
    margin: 0 auto;
    background: url('images/help.jpg') no-repeat 50% 50%;
    background-size: auto 100%;
    height: 200px;
    color: #fff;
    font-size: 18px;
}
.help-center-content {
    display: flex;
    display: -webkit-flex; /* Safari */
    -webkit-flex-direction: column; /* Safari */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap; /*tự xuống hàng nếu thiếu chỗ*/
    align-content:center;/*các thành phần ở giữa khung*/
    height: 200px;
}
.help_title {
    color: rgb(255, 255, 255);
    font-size: 36px;
    line-height: 48px;
    font-weight: 300;
    margin-bottom: 10px;
    text-shadow: rgba(128, 128, 128, 0.8) 0px 1px 2px;
}
@media (max-width: 600px){
    .help-center-top{
        font-size: 14px;
    }
    .help_title{
        font-size: 20px;
        line-height: 24px;
    }
}
button{
    outline: none;
}
.btn-help, .btn-help:hover, .btn-help:active, .btn-help:visited{
    padding: 12px 30px;
    background-color: #31b142;
    color: #fff;
    border:none;
    box-shadow: none;
    outline: none;
    margin-top: 5px;
}
.help-center-linked-list {
    margin-top: 30px;
    margin-bottom: 20px;
}
.help-center-linked-list-columns{
    margin-top: 10px;
}
.help-center-linked-list-columns li{
    padding-top: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dotted #eee;
}
.help-center-linked-list-columns li:nth-last-child{
    border-bottom: none;
}
.help-li{
    display: flex;
    align-items:center;
    align-content:center;
    justify-content: flex-start;
}
.icon-help-li{
    -webkit-flex-basis: 50px; /* Safari 6.1+ */
    flex-basis: 50px;
    max-width: 50px;
    min-width: 50px;
}
.icon-help-li img{
}
.wrap-help-li{
    width: 100%;
    /*padding-bottom: 10px;*/
}
.help-center-link{
    font-size: 16px;
    line-height: 1.5;
    margin-top: 0;
    margin-bottom: 0
}
.info-help .fa{
    color: #ccc;
    margin-right: 5px
}
.info-help, .info-help a{
    color: #999;
    position: relative;
    font-size: 12px;
}
/***/
.help-center-topic{
    margin-top: 20px;
    margin-bottom: 50px;
}
.help-center-topic-tit{
    position: relative;
    font-size: 18px;
    text-transform: uppercase;
    background: #782d87;
    color: #fff;
    padding: 7px 15px;
}
.help-center-topic-list{
    margin-top: 15px;
}
.help-center-topic-list-item{
    border:1px solid #eee;
    padding: 5px;
    border-radius: 5px;
    margin-top: 12px;
}
.help-center_link{
    display: block;
    line-height: 24px;
    padding: 10px 0px 10px 60px;
    font-size: 15px;
    position: relative;
}
.help-icon-wrapper img{
    width: 35px;
    margin-right: 15px;
}
.help-link-text{
    font-size: 16px;
}
.h3-help{
    position: relative;
    padding-bottom: 10px;
    font-size: 18px;
    text-transform: uppercase;
}
.h3-help:after{
    position: absolute;
    top: 95%;
    content: '';
    width: 100px;
    height: 2px;
    background-color: #782d87;
    left: 0
}
.h3-help:before{
    position: absolute;
    top: 95%;
    content: '';
    width: 100%;
    height: 2px;
    background-color: #ddd;
    left: 0
}
/************************************************************/
.reply-wrap{
    margin-top: 30px;
}


.help-1{
    margin-bottom: 20px;
}
.help-1 h3{
    font-size: 24px;
    font-weight: normal;
}
.repli-content{
    border-top:1px dotted #eee;
    margin-top: 20px;
    padding-top: 20px;
    font-size: 16px;
}
.lienquan{
    margin-top: 50px;
}
.list-chlq{
    margin-top: 20px;
}
.list-chlq li{
    padding-top: 5px;
    padding-bottom: 5px;
}
.reply-who{
    text-align: right;
    margin-top: 15px;
    color: #666;
}

.category-faq {
    background-color: #343434;
    font-weight: bold;
    color: #fff;
    font-size: 16px;
    padding: 0 20px;
    margin: 40px 0 30px;
    height: 50px;
    line-height: 50px;
}

.panel {
    border: 0;
    box-shadow: none;
}

.panel-group .panel+.panel {
    margin-top: 10px;
}

.item-question {
    /*border: 1px solid #ececec;*/
    display: block;
    line-height: 24px;
    padding: 10px 50px 10px 60px;
    font-size: 15px;
    position: relative;
    color: #111;
}
/*.item-question:after {
    content: "\f068";
    font-family: FontAwesome;
    font-weight: normal;
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 15px;
    color: #ccc;
}*/
/*.item-question.collapsed:after {

    color: #ccc;
    content: "\f055";

}*/

.item-question .help-icon-wrapper {
    width: 35px;
    height: 35px;
    line-height: 32px;
    text-align: center;
    border-radius: 100%;
    background-color: transparent;
    display: inline-block;
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
}
.panel-body {
    padding: 20px 20px 20px 70px;
    font-size: 15px;
    line-height: 26px;
}
.card{
    border-bottom: 1px solid #f4f4f4;
}
.content-answer{
    background-color: #fff;
    margin: 0px 20px 10px 60px;
    padding: 0px;
}
.item-answer{
}
.item-answer.hight_light {
        border-top: 1px solid #f2f2f2;
        padding-top: 10px;
        margin-top: 10px;
}
.avatar_answer {
    margin: 0 10px 0 0;
    float: left;
}
.avatar_answer .img_avatar{
    width: 24px;
    height: 24px;
    margin: 0 10px 0 0;
}
.user_info_answer  span.left.txt_666.txt_14 {
    font-size: 12px;
    padding: 5px 0 0;
    white-space: nowrap;
}
.error-block{
    color: red;
}
.help-center_link .numberLeft{
    width: 35px;
    height: 35px;
    line-height: 32px;
    text-align: center;
    border-radius: 100%;
    background-color: #ececec;
    display: inline-block;
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
}