.main{
    min-height:calc(100vh - 569px - 240px);
    min-width: 1585px;
    width: 100%;
    box-sizing: border-box;
}
.bannerImg{
    height: 360px;
}
.banner-img{
    width: 100%;
    height: 100%;
}
.channelDetail-box{
    width: 1554px;
    margin: auto;
    padding-bottom: 20px;
}
.channelDetail-lt{
    width: 240px;
    margin-top: -48px;
}
.channelDetail-rt{
    box-sizing: border-box;
    padding: 24px 0 24px 0;
}

.channelDetail-navName{
    width: 240px;
    height: 72px;
    font-size: 22px;
    font-family: PingFangSC, PingFangSC-Medium;
    font-weight: 500;
    color: #ffffff;
    position: relative;
}
.channelDetail-navName .c1{
    width: 208px;
    height: 0;
    border-width: 0 32px 32px 0;
    border-style: none solid solid;
    border-color: transparent transparent #C9000C;
}

.channelDetail-navName .c2{
    height: 40px;
    background: #C9000C;
}

.channelDetail-navName-txt{
    position: absolute;
    top: 20px;
    left: 29px;
}

ul li{
    list-style: none;
    margin: 0px;
}
.channelDetail-item{
    box-sizing: border-box;
    position: relative;
    width: 240px;
    border-right: 1px solid #d8d8d8;
    border-bottom: 1px solid #d8d8d8;
    border-left: 4px solid #d8d8d8;
    cursor: pointer;
    background: #fff;
    color: rgba(0, 0, 0, 0.85);
}
.channelDetail-item a{
    display: block;
    width: 100%;
    height: 100%;
    padding: 14px 16px 14px 24px;
    box-sizing: border-box;
    transition: all 1s;
    color: #333333;
}
.channelDetail-item:hover{
    border-left: 4px solid #C9000C;
    transition: all 1s;
}
.channelDetail-item:hover a{
    color: #C9000C;
    transition: all 1s;
}
.channelDetail-active{
    border-left: 4px solid #C9000C;
    transition: all 1s;
}
.channelDetail-active a{
    color:#C9000C;
}
.channelDetail-breadcrumb{
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(151, 151, 151, 0.21);
}
.channelDetail-name{
    font-size: 22px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
    line-height: 33px;
}
.channelDetail-bread{
    display: flex;
    align-items: center;
}
.channelDetail-span{
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #333333;
    line-height: 25px;
}
.channelDetail-span-active{
    color: #C9000C;
}
.channelDetail-news{
    padding: 44px 64px 0;
}
.channelDetail-news-head{
    margin-bottom: 21px;
}
.channelDetail-news-head-title{
    font-size: 30px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
    line-height: 42px;
    text-align: center;
    margin-bottom: 19px;
}
.channelDetail-news-head-content{
    text-align: center;
    font-size: 20px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #999999;
    line-height: 28px;
}
.channelDetail-news-head-content span{
    padding: 0 20px;
}