.channelTab {
    position: relative;
    margin-top: 24px;
    display: flex
}
body{
    background-color: #F5F7FA;
}
.channelTab .channelTabItem {
    width: 180px;
    min-width: 180px;
    height: 48px;
    line-height: 48px;
    font-family: PingFangSC-Medium;
    font-size: 16px;
    color: #666666;
    text-align: center;
    background: url(../img/menu2-unselect.png) no-repeat center;
    background-size: auto 48px;
    cursor: pointer;
    margin: 0 -6px;
    transition: all .2s;
}
.channelTab::after{
    background: rgba(255,255,255,0.00);
box-shadow: inset 0 -1px 0 0 rgba(0,0,0,0.10);
content: "";
display: block;
width: 100%;
margin-left: 12px;
}
.channelTab a:first-child .channelTabItem {
    background: url(../img/menu1_unselect.png) no-repeat center;
    background-size: auto 48px;
    position: relative;
}
.channelTab .channelTabItem:hover,.channelTab .channelTabItem.active {
    background-image: url(../img/menu2-select.png);
    transition: all .2s;
    position: relative;
    z-index: 2;
    color: #FFFFFF;
}
.channelTab a:first-child .channelTabItem:hover,.channelTab a:first-child .channelTabItem.active {
    background-image: url(../img/menu1_select.png);
    
}
.caseList{
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
}
.caseList .caseItem{
    display: block;
width: 384px;
height: 245px;
position: relative;
margin-right: 24px;
margin-bottom: 24px;

}
.caseList .caseItem:nth-child(3n){

margin-right: 0;
}
.caseList .caseItem img{
    display: block;
width: 384px;
height: 245px;


}
.caseList .caseItem p{
    display: block;
width: 384px;
background: rgba(51,51,51,0.20);
height: 40px;
line-height: 40px;
font-family: PingFangSC-Regular;
font-size: 16px;
color: #FFFFFF;
text-align: center;
position: absolute;
bottom: 0;
left: 0;
-webkit-backdrop-filter: blur(10px); 
backdrop-filter: blur(10px);overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
padding: 0 24px;
box-sizing: border-box;
}
.caseList .caseItem p span{
    display: inline-block;
    width: 258px;
    /* backdrop-filter: blur(10px); */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.caseList .caseItem p:hover{
    color: #2748B3;
}

.busPhone{
    /* padding-top: 42px; */
    box-sizing: border-box;
    /* height: 160px; */
    font-family: PingFangSC-Regular;
    font-size: 16px;
    color: #666666;
    text-align: center;
}
.busPhone .btn{
    background: #2748B3;
    width: 240px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    font-family: PingFangSC-Medium;
    font-size: 16px;
    color: #FFFFFF;
    margin: 0 auto;
    margin-bottom: 14px;
}