span{
    padding: 0;
}

.qa-title{
    position: relative;
    float: left;
    width: 100%;
    line-height: 40px;
    padding: 10px;
    /* font-size: 2rem; */
    background: #333333;
    border-radius: 3px;
    margin-bottom: 5px;
    cursor: pointer;
    color: #fff;
}

.qa-sub-div{
    position: relative;
    float: left;
    display: none;
    width: 100%;
    height: auto;
    /* font-size: 2rem; */
    padding: 10px 0;
}

.qa-title:hover{
    background: #ff6400;
}

.qa-title-active{
    background: #ff6400;
}

.qa-title span:nth-child(1){
    position: relative;
    display: block;
    float: left;
    width: 30px;
    height: 30px;
    margin: 4px;
    text-align: center;
    line-height: 30px;
    background: #131313;
    border-radius: 3px;
}
.qa-title span:nth-child(2){
    position: relative;
    display: block;
    float: left;
    margin: 0;
    margin-left: 5px;
    line-height: 36px;
    font-size: 18px;
    width: calc(100% - 80px);
}

.qa-sub-div span:nth-child(1){
    position: relative;
    float: left;
    width: 30px;
    height: 30px;
    margin: 2px 2px 2px 16px;
    text-align: center;
    line-height: 30px;
    background: #666;
    border-radius: 3px;
    color: #fff;
}

.qa-sub-div span:nth-child(2){
    position: relative;
    display: inline-block;
    font-size: 16px;
    line-height: 26px;
    padding: 6px;
    margin-bottom: 15px;
    width: calc(100% - 50px);
    height: auto;
}


.qa-title i{
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 16px;
}

.text-gray-999{
    color: #999;
}

.g_copyright{
    font-size: 50%;
}