/*排序下拉框*/
.dropdown-order {
    padding-right: 25px;
    float: right;
    display: inline-block;
}

#selectedItem {
    border: 0;
    display: inline-block;
    padding: 5px;
    cursor: pointer;
}
.topic_content{
    width: 790px;
    height: 100%;
    background-color: #FAFAFA;
    border: 0;
    overflow-y: hidden;
    resize: none;
    margin-top: 5px;
}
.arrow {
    display: inline-block;
    width: 0;
    height: 0;
    border-top: 6px solid #666;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    cursor: pointer;
    margin-bottom: 3px;
}

.dropdown-order:hover .arrow {
    border-top: none;
    border-bottom: 6px solid #666;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    opacity: 1;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 75px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}

.dropdown-content a {
    color: #666;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-order:hover .dropdown-content {
    display: block;
}
/*加入、发表按钮*/
.btn-join{
    color: #2878FF;
    border: 1px solid rgba(153,174,187,0.52);
    font-weight: bold;
    background-color: #fff;
}
.btn-join:hover{
    color: #fff;
    background-color: #c9302c;
    border-color: #ac2925;
}
.btn-topic-publish{
    background-color: #ccc;
    color: #000 !important;
    font-weight: bold;
    border: 1px solid rgba(153,174,187,0.52);
}
.btn-topic-publish:hover{
    background-color: #d9534f;
    border-color: #d43f3a;
}
/*发布按钮*/
.release-nav{
    display: inline-block;
    z-index: 999;
    background-color: rgb(255, 255, 255);
    float: right;
}
.release-one{
    background-color: rgb(48,116,246);
    width: 100px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    border-radius: 15px;
}
.release-one>p{
    color: #ffffff;
}
/*下框线*/
.active .border-box{
    content: '';
    width: 30%;
    height: 4px;
    display: block;
    background-color: #2575fc;
    margin: 5px auto 0;
    border-bottom: 3px solid transparent;
}
.c-info-tab>h4 {
    border-bottom: none;
}

/*话题*/
.topicType{
    margin-top: 6px;
    padding: 4px 8px;
    float: left;
    background-color: rgb(234,241,254) !important;
    color: #2575fc;
}
.topicType-Popular{
    margin-top: 6px;
    padding: 4px 8px;
    float: left;
    color: rgb(209,97,87);
    background-color: rgb(254,234,235) !important;
}
.fl-r{
    float: right;
}
.fl-r img{
    width: 15px;
    height: 15px;
}
#classes-topic-publish{
    background-color: #F1F5F9;
    color: #898E97 !important;
    border: none;
}
.send-topic li{
    padding: 6px;
}
.ugc-content-img>p>img{
    width: 110px !important;
    height: 110px;
}
.img-a-container{
    display: inline-block;
    width: 180px;
    height: 180px;
    overflow: hidden;
    position: relative;
    border-radius: 15px;
    margin-left: 5px;
}
.img-a-container>img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: none; /* 重置max-width，允许图像以其原始尺寸显示 */
    max-height: none; /* 重置max-height，允许图像以其原始尺寸显示 */
    object-fit: cover; /* 使用cover模式，确保图像填满容器，不变形 */
    width: 100%; /* 图像宽度100%填满容器 */
    height: 100%; /* 图像高度100%填满容器 */
}
.cursor-img-topic-info{
    cursor: url(../../img/default/big.cur),auto;
}
.class-name{
    border-radius: 12px;
    padding: 0 10px;
    font-size: 12px;
    color: #3074F6;
    background: #EAF1FE;
    height: 22px;
    float: right;
}
.class-name a{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}
.class-name img{
    width: 12.28px;
    height: 9.91px;
    margin-right: 4px;
}

.question-content-img__wrap {
    display: inline-block;
    position: relative;
}

.MediaPlayBtn {
    width: 40px;
    height: 40px;
    background-color: rgba(233, 233, 233, 0.9);
    border-radius: 50%; /* 将按钮变成圆形 */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* 居中定位 */
    z-index: 1500; /* 保持在最前面 */
}

.MediaPlayBtn::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 15px solid rgba(98, 98, 98, 0.9);/* 灰色透明的三角形 */
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%); /* 居中定位箭头 */
}
.zdr {
    width: 860px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.zdr > div {
    display: flex;
    justify-content: center;
    align-items: center;
}

#topic-thumbs-up,
.send-div-nav {
    width: 127px;
    height: 34px;
}

#topic-thumbs-up {
    display: inline-block;
}

.send-div-nav {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0);
    float: right;
    margin-top: -5px;
    position: relative;
    top: 3px;
    left:0;
    text-align: center;
    padding-right: 10px;
}

.send-div-one {
    background-color: rgb(84, 114, 246);
    width: 100%;
    height: 100%;
    line-height: 34px;
    border-radius: 50px;
}
.send-second-div-nav {
    display: block;
    background-color: #ffffff;
    width: 117px;
    height: 70px;
    line-height: 34px;
    text-align: center;
    position: absolute;
    float: left;
    top: 34px;
    z-index: 1;
}
#favorites{
    position: relative;
    top: -2px;
    left: -5px;
}
.score-box{
    width: 150px;
    float: left;
    margin-left: 10px;
    margin-top: 5px;
}
.score-box h2{
    float: left;;
    font-size: 14px;
    color: #FF7800;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    margin-left: 5px;
}
.score-box .grade{
    display: flex;
    align-items: center;
    float: left;
}