.title-box ul li:first-child{
    background: none;
    font-weight: normal;
}
.title-box ul li:nth-child(3){
    background: #C3272B;
    font-weight: 600;
}
.dynamic {
    background: url("https://miaoyinguoxue.oss-cn-beijing.aliyuncs.com/Web/bj_1.png")
        no-repeat;
    background-size: cover;
    background-attachment: fixed;
    background-color: #fffbef;
    overflow: hidden; 
    
    
    
    
    
}
.dynamic .dynamic-banner img{
        width: 100%;
    }
.dynamic .dynamic-cont {
    width: 1180px;
    margin: 40px auto;
    display: flex;
    justify-content: space-between;
    min-height: 1000px;
    
    
    
    
    
    
}
.dynamic .dynamic-cont .dynamic-list {
    width: 830px;
    background: #fff;
    color: #000;
    padding: 41px 55px 41px 50px;
    box-sizing: border-box;
    
}
.dynamic .dynamic-cont .dynamic-list > h5 {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 10px;
}
.dynamic .dynamic-cont .curriculum {
    width: 330px;
}
.dynamic .dynamic-cont .dynamic-items {
    border-bottom: 1px solid #eeeeee;
    padding: 20px 0;
    cursor: pointer;
    
    
}
.dynamic .dynamic-cont .dynamic-items .dynamic-title {
    font-size: 18px;
    font-weight: 400;
}
.dynamic .dynamic-cont .dynamic-items > p {
    margin-top: 10px;
    font-size: 14px;
    line-height: 19px;
}


.dynamic .dynamic-cont .dynamic-item-img {
    width: 230px;
    height: 180px;
    background: #eee;
    
}
.dynamic .dynamic-cont .dynamic-item-img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.dynamic .dynamic-cont .dynamic-item {
    display: flex;
    
}
.dynamic .dynamic-cont .dynamic-item .dynamic-item-text {
    flex: 1;
    margin-left: 20px;
    position: relative;
    
}

.dynamic .dynamic-cont .dynamic-item .dynamic-item-text > p {
    margin-top: 10px;
    font-size: 14px;
    line-height: 19px;
}


.dynamic .dynamic-cont .dynamic-item-imgs {
    display: flex;
    justify-content: space-between;
    flex-flow: wrap;
    margin-top: 10px;
}






.dynamic .operation {
    position: absolute;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.dynamic .operations{
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-top: 15px;
     
}
.dynamic .operation,.operations p {
    line-height: 30px;
    margin-left: 30px;
}
.dynamic .operation,.operations i {
    display: inline-block;
    width: 30px;
    height: 30px;
    vertical-align: bottom;
    text-align: center;
}
.dynamic .operation,.operations span{
    display: inline-block;
    width: 50px;
    text-align: center;
}

.list {
    width: 100%;
    background: #fff;
    padding: 20px;
    box-sizing: border-box;
    
    
    
    
}
.list h5{
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 10px;
}
.list .emoticon-item {
    display: flex;
    padding: 10px 0;
    font-size: 18px;
    cursor: pointer;
}
.list .emoticon-left {
    width: 142px;
    height: 100px;
    background: #eee;
    margin-right: 10px;
    
}
.list .emoticon-left img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.list .emoticon-right{
    width: 47%;
    font-size: 14px;
    
    
    
}
.list .emoticon-right .right-title{
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.list .emoticon-right .right-introduce{
    margin-top: 15px;
    overflow : hidden;
    display: -webkit-box;    /*弹性伸缩盒子*/
    -webkit-box-orient: vertical; /*子元素垂直排列*/
    -webkit-line-clamp: 3;   /*可以显示的行数，超出部分用...表示*/
    text-overflow: ellipsis; /*（多行文本的情况下，用省略号“…”隐藏溢出范围的文本)*/
}