body{
    background-color: #F5F7FA;
}
.header{
    background-color: #FFFFFF;
}
.wrap_community{

}
.com_left {
    float: left;
    overflow: auto;
    margin-top: 23px;
    width: 700px;
    /*background-color: #FFFFFF;*/
}

.qa_header {
    box-sizing: border-box;
    height: 77px;
    padding-top: 20px;
}

.qa_list {
    box-sizing: border-box;
}

.com_left > img {
    display: block;
    width: 700px;

}

.Community_qa {
    margin-top: 10px;
    width: 700px;
    margin-bottom: 13px;
    background-color: #FFFFFF;
}

.qa_header {
    width: 100%;
    padding-left: 30px;
    border-bottom: 1px solid rgba(239, 239, 239, 1);
}

.qa_header > span {
    display: inline-block;
}

.qa_header > div {
    cursor: pointer;
    display: inline-block;
    background: rgba(23, 81, 153, 1);
    border-radius: 2px;
    width: 100px;
    height: 36px;
    color: #FFFFFF;
    text-align: center;
}

.qa_header > div > span {
    line-height: 36px;
}

.qa_header > span:nth-of-type(1) {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
    margin-right: 50px;
}

.qa_header > span:nth-of-type(2) {
    cursor: pointer;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;

}
.span_active{
    color: rgba(255, 139, 61, 1)!important;
}

.qa_header > span:nth-of-type(4) {
    cursor: pointer;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    margin-right: 400px;
    color: #A8A8A8;
}

.qa_list {
    width: 700px;
    list-style: none;
    padding-left: 18px;
    /*margin-top: 20px;*/
}

.qa_list  li {
    width: 100%;
    overflow: hidden;
    border-bottom: 1px solid rgba(239, 239, 239, 1);
    padding-bottom: 24px;
    padding-top: 20px;
}

.qa_list   li  .qa_list_l {
    float: left;
}

.qa_list   li   .qa_list_r {
    float: right;
}

.qa_list_l>img {
    display: inline-block;
    width: 33px;
    height: 33px;
}

.qa_list_l>span {
    display: inline-block;
}

.qa_list_l>span:nth-of-type(1) {
    cursor: pointer;
    margin-left: 17px;
    margin-right: 16px;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
    line-height: 30px;
}

.qa_list_l>span:nth-of-type(2) {
    width: 34px;
    height: 18px;
    background: rgba(255, 76, 76, 1);
    border-radius: 3px;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    text-align: center;
    margin-right: 13px;
}

.qa_list_l>span:nth-of-type(3) {
    width: 34px;
    height: 18px;
    background: rgba(255, 139, 61, 1);
    border-radius: 3px;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    text-align: center;
}


.qa_list_l div {
    padding-left: 52px;
    margin-top: 20px;
}

.qa_list_l div p {
    display: inline-block;
}

.qa_list_l  div  p span {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(211, 211, 212, 1);
    margin-right: 40px;
}

.qa_list_l   div  p  img {
    display: inline-block;
    margin-right: 7px;
}

.qa_list_r {
    margin-right: 30px;
    padding-top: 43px;
}

.qa_list_r  p {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(211, 211, 212, 1);
}

.qa_list_r   p:nth-of-type(1) {
    text-align: right;
}

.Community_qa > p {
    height: 80px;
    text-align: center;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(23, 81, 153, 1);
    line-height: 80px;
}

.Community_qa > p > img {
    margin-left: 5px;
    display: inline-block;
    width: 12px;
    height: 12px;
    vertical-align: initial;
}
.Community_qa > p>span{
    cursor: pointer;
}

.qa_header_p > span {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
    margin-right: 526px;
}

.qa_header_p > div {
    cursor: pointer;
    display: inline-block;
    background: rgba(23, 81, 153, 1);
    border-radius: 2px;
    width: 100px;
    height: 36px;
    color: #FFFFFF;
    text-align: center;
}

.qa_header_p > div > span {
    line-height: 36px;
}

.qa_header_p {
    width: 100%;
    padding-left: 30px;
    border-bottom: 1px solid rgba(239, 239, 239, 1);
    box-sizing: border-box;
    height: 77px;
    padding-top: 20px;
}

.p_list {
    box-sizing: border-box;
    width: 700px;
    list-style: none;
    padding-left: 18px;
}
.p_list_header{
    position: relative;
}
.p_list_header > img {
    display: inline-block;
    margin-right: 20px;
    width: 33.2px;
    height: 33.2px;
    border-radius: 50%;
}

.p_list_header > span {
    display: inline-block;
}

.p_list_header > p {
    display: inline-block;
    float: right;
}

.p_list > li {
    padding-top: 35px;
    padding-bottom: 33px;
    border-bottom: 1px solid rgba(239, 239, 239, 1);
}

.p_list_header > span:nth-of-type(1) {
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: rgba(211, 211, 212, 1);
    margin-right: 32px;
}

.p_list_header > span:nth-of-type(2) {
    position: absolute;
    left: 50%;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(211, 211, 212, 1);
    top: 50%;
    transform: translateY(-50%);
    /*margin-right: 242px;*/
}

.p_list > li > .p_list_header > p > span {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(211, 211, 212, 1);
    margin-right: 40px;
}

.p_list > li > .p_list_header > p > img {
    margin-right: 7px;
}

.p_list_content {
    margin-top: 27px;
}

.p_list_content .p_list_content_h > span:nth-of-type(1) {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
    cursor: pointer;
}

.p_list_content .p_list_content_h > span:nth-of-type(2) {
    display: inline-block;
    width: 34px;
    height: 18px;
    background: rgba(255, 76, 76, 1);
    border-radius: 3px;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    text-align: center;
    margin-right: 13px;
}

.p_list_content .p_list_content_h > span:nth-of-type(3) {
    display: inline-block;
    width: 34px;
    height: 18px;
    background: rgba(255, 139, 61, 1);
    border-radius: 3px;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    text-align: center;
}

.p_list_content_c {
    margin-top: 20px;
}

.p_list_content_c > img {
    margin-right: 35px;
    width: 190px;
    height: 105px;
}

.p_list_content_c > div {
    vertical-align: center;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(112, 111, 111, 1);
    display: inline-block;
    width: 444px;
    height: 64px;
    text-overflow: ellipsis;
}

.p_list_content_c > div > span {
    color: #165099;
    cursor: pointer;
}

.p_list_content_c > div > span img {
    display: inline-block;
    width: 15px;
    height: 12px;
}

.p_list_content_c > div.p_list_content_c_div {
    width: 100%;
}
.popular{
    background-color: #FFFFFF;
}
.popular > p {
    height: 80px;
    text-align: center;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(23, 81, 153, 1);
    line-height: 80px;
}
.popular > p>span{
    cursor: pointer;
}
.popular > p > img {
    margin-left: 5px;
    display: inline-block;
    width: 12px;
    height: 12px;
    vertical-align: initial;
}
.com_right{
    float: left;
    margin-top: 23px;
    margin-left: 12px;
}
.d_recomend{
    width: 278px;
    background-color: #FFFFFF;
    margin-bottom: 11px;
}
.d_recomend>div{
    width: 100%;
    font-size:18px;
    font-family:Microsoft YaHei;
    font-weight:bold;
    color:rgba(51,51,51,1);
    line-height:66px;
    height: 66px;
    border-bottom: 1px solid rgba(239, 239, 239, 1);
    padding-left: 24px  ;
}
.d_recomend>ul{
    padding-left: 24px;
    padding-top: 20px;
    padding-bottom: 34px;
}
.d_recomend>ul>li{
    cursor: pointer;
    width: 230px;
    font-size:14px;
    font-family:Microsoft YaHei;
    color:#706F6F;
    margin-bottom: 18px;
    white-space:nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    height: 20px;
}
.d_recomend>ul>li>span{
    font-size: 16px;
}
.com_right_tf{
    width: 278px;
    height: 140px;
    display: flex;
    background-color:#ffffff;
    margin-bottom: 11px;
}
.com_right_tf>div{
    margin: auto;
    overflow: auto;
    width: 194px;
}
.com_right_tf_l{
    float: left;
    width: 66px;
    cursor: pointer;
}
.com_right_tf_l img{
    display: block;
    margin: auto;
    margin-bottom: 26px;
    width: 26px;
    height: 30px;
}
.com_right_tf_l p{
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(51,51,51,1);
}
.com_right_tf_r{
    float: right;
    cursor: pointer;
}
.com_right_tf_r img{
    display: block;
    margin: auto;
    margin-bottom: 26px;
    width: 30px;
    height: 30px;
}
.com_right_tf_r p{
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(51,51,51,1);
}
.com_right_s{
    width: 278px;
    margin-bottom: 11px;
    background-color: #FFFFFF;
}
.com_right_s>div:nth-of-type(1){
    width: 100%;
    font-size:18px;
    font-family:Microsoft YaHei;
    font-weight:bold;
    color:rgba(51,51,51,1);
    line-height:66px;
    height: 66px;
    border-bottom: 1px solid rgba(239, 239, 239, 1);
    padding-left: 24px  ;
}
.com_right_search{
    width: 278px;
    box-sizing: border-box;
    background-color: #FFFFFF;
}
.com_right_search_s{
    padding-left: 19px;
    padding-top: 28px;
    overflow: auto;
}
/*箭头向上*/
.to_top {
    width: 0;
    height: 0;
    border-bottom: 10px solid #ccc;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
}
/*箭头向下*/
.to_bottom {
    width: 0;
    height: 0;
    border-top: 10px solid #ccc;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
}
.com_right_search_s_t{
    display: block;
    position: relative;
    float: left;
    width: 173px;
    height: 36px;
    background: rgba(246,246,246,1);
    border: 1px solid rgba(235, 235, 235, 1);
    border-radius: 3px;
    margin-right: 2px;
}
.com_right_search_type_select{
    position: absolute;
    width: 100px;
    top: 6px;
    left: 4px;
}
.com_right_search_type{
    display: inline-block;
    color: #ffffff;
    background-color: rgba(23,81,153,1);
}
#arrow_change{
    display: inline-block;
    cursor: pointer;
}
.com_right_search_type_list{
    position: absolute;
    margin-left: 19px;

}
.com_right_search_type_list span{
    cursor: pointer;
    color: #ffffff;
    background-color: rgba(23,81,153,1);
}
.com_right_search_s_t>input{
    position: absolute;
    width: 100px;
    top: 0;
    left: 52px;
    padding-left: 10px;
    height: 36px;
    font-size:14px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(133,144,166,1);
    line-height:41px;
    opacity:0.5;
}
.com_right_search_s_b{
    float: left;
    width: 40px;
    height: 36px;
    background: rgba(23,81,153,1);
    border-radius: 2px;
    text-align: center;
    cursor: pointer;
    display: flex;
}
.com_right_search_s_b img{
    display: block;
    width: 19px;
    height: 19px;
    margin: auto;

}
.com_right_search_list{
    overflow: auto;
    margin-top: 32px;
    margin-left: 20px;
}
.com_right_search_list li{
    cursor: pointer;
    box-sizing: border-box;
    height: 32px;
    background: rgba(246,246,246,1);
    border-radius: 2px;
    float: left;
    text-align: center;
    margin-right: 11px;
    margin-bottom: 14px;
    padding: 0 14px;
    padding-top: 0px;
    padding-right: 14px;
    padding-bottom: 0px;
    padding-left: 14px;

}
.com_right_search_list li span{
    font-size: 16px;
    line-height: 32px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(133,144,183,1);
}
.sao_ma{
    width: 278px;
    background-color: #FFFFFF;
}
.sao_ma>div:nth-of-type(1){
    width: 100%;
    height: 64px;
    font-size:18px;
    font-family:Microsoft YaHei;
    font-weight:bold;
    color:rgba(51,51,51,1);
    text-align: center;
    line-height: 64px;
    border-bottom: 1px solid rgba(239, 239, 239, 1)
}
.saoma_photo{
    width: 100%;
    height: 244px;
    display: flex;
}
.saoma_photo img{
    display: block;
    width: 165px;
    height: 165px;
    margin: auto;

}
.right_list_color {
    background: rgba(229, 242, 255, 1) !important;
    border-radius: 2px !important;
}
.right_list_span_color{
    color:rgba(0,132,255,1)!important;
}
.li_red{
    color: red;
}
.cover_lesson{
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.55);
    z-index: 4;
}
.quesiton_write{
    width: 482px;
    height: 211px;
    background:rgba(255,255,255,1);
    border-radius:2px;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
}
.quesiton_write img{
    display: inline-block;
    width: 36px;
    height: 36px;
    vertical-align: top;
    margin-top: 32px;
    margin-left: 21px ;
}
.quesiton_write textarea{
     display: inline-block;
    width: 395px;
    height: 116px;
    margin-top: 28px;
    margin-left: 9px;
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(136,147,168,1);
}
.quesiton_write_submit{
    cursor: pointer;
    float: right;
    margin-right: 21px;
    margin-top: 8px;
    display: flex;
    width:82px;
    height:30px;
    background:rgba(127,193,255,1);
    border-radius:2px;
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(255,255,255,1);
}
.quesiton_write_submit span{
    display: block;
    margin: auto;
}
.cover_lesson>img{
    display: block;
    position: absolute;
    width: 20px;
    height: 20px;
}