.inner-bg{
    overflow: hidden;
}
.ser-list{
    margin: .8rem 0;
}
.ser-list li{
    margin-top: .3rem;
}
.ser-link{
    display: flex;
}
.ser-img{
    flex-shrink: 0;
    width: 152px;
    max-width: 2rem;
    margin-right: .3rem;
    border: 1px solid #F4F5F7;
    box-shadow: 0px 8px 10px 0px rgba(0,0,0,0.03);
    overflow: hidden;
    transition: all .3s;
}
.ser-img .imgBg{
    padding-bottom: 134.87%;
}
.ser-right{
    flex: auto;
    overflow: hidden;
    border-bottom: 1px solid #F4F5F7;
}
.ser-text{
    flex: auto;
    max-width: 740px;
    overflow: hidden;
}
.ser-time{
    color: #ADB3BD;
    margin: .14rem 0;
}
.ser-time span{
    color: #000000;
    margin-right: .12rem;
}
.ser-title{
    line-height: 1.6;
    margin: .14rem 0;
    font-weight: normal;
    transition: all .3s;
}
.ser-con{
    color: #747880;
    line-height: 1.625;
    -webkit-line-clamp: 2;
}
.ser-more{
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: fit-content;
    min-width: 120px;
    font-size: 14px;
    padding: 0 16px;
    line-height: 38px;
    background: #FFFFFF;
    border-radius: 3px;
    border: 1px solid #000000;
    margin-bottom: .3rem;
    margin-left: .3rem;
    text-align: center;
    transition: all .3s;
}
.ser-more i{
    display: block;
    width: 7px;
    height: 11px;
    background: url(../images/icon-arrow-black.png) right center no-repeat;
    background-size: contain;
    transform: scaleX(-1);
}
.ser-link:hover .ser-img{
    transform: translateY(-5px);
    box-shadow: .04rem .04rem .2rem 0px rgba(0,0,0,0.15);
}
.ser-link:hover .ser-title{
    color: var(--main-color);
}
.ser-link:hover .ser-more{
    color: #FFFFFF;
    border-color: var(--main-color);
    background-color: var(--main-color);
}
.ser-link:hover .ser-more i{
    background-image: url(../images/icon-arrow-white.png);
    transform: scaleX(1);
}

.course{
    margin: .65rem -.15rem;
}
.course li{
    width: 50%;
    padding: .15rem;
}
.course .course-link{
    position: relative;
    display: block;
    background: #F5F5F7;
    border-radius: .2rem;
    overflow: hidden;
    z-index: 1;
}
.course .course-img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0;
    visibility: hidden;
    transform: scale(1.1);
    transition: all .3s;
}
.course .course-img .imgBg{
    height: 100%;
}
.course .course-text{
    padding: .5rem .3rem;
}
.course .course-tag {
	margin-bottom:.3rem;
}
.course .course-tag img {
	height:30px;
	max-height:.5rem;
    margin: 0 auto;
}
.course .course-tag img:first-child {
	display:block;
}
.course .course-tag img:nth-child(2) {
	display:none;
}
.course .course-name{
    line-height: 1.5;
    margin-top: .2rem;
    letter-spacing: .2em;
    font-weight: normal;
}
.course .course-more{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 165px;
    height: 50px;
    background: #FFFFFF;
    box-shadow: 0px 5px 10px 0px rgba(0,0,0,0.02);
    border-radius: 25px;
    margin: 0 auto;
    margin-top: .6rem;
    transition: all .3s;
}
.course .course-more i{
    display: block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    margin-left: .13rem;
    background-color: var(--main-color);
    background-image: url(../images/service/course-more.png);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    transition: all .3s;
}
.course .course-link:hover .course-img{
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    transition: all .6s;
}
.course .course-link:hover .course-tag img:first-child{
    display: none;
}
.course .course-link:hover .course-tag img:nth-child(2){
    display: block;
}
.course .course-link:hover .course-name{
    color: #FFFFFF;
}
.course .course-link:hover .course-more{
    color: #FFFFFF;
    background-color: var(--main-color);
}
.course .course-link:hover .course-more i{
    background-color: #FFFFFF;
    background-image: url(../images/service/course-more-hover.png);
}

.course-bread{
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    font-size: 14px;
    color: #000000;
    margin: .4rem 0;
}
.course-bread li + li::before{
    content: " > ";
    padding: 0 2px;
    margin-left: 4px;
}
.course-bread li a{
    color: #000000;
    transition: all .3s;
}
.course-bread li a:hover{
    color: var(--main-color);
}

.course-list{
    margin: -.15rem -.15rem .7rem;
}
.course-list li{
    width: 33.33%;
    padding: .15rem;
}
.course-list .course-link{
    display: block;
    height: 100%;
    padding: .2rem;
    border-radius: .1rem;
    background: #F5F5F7;
    overflow: hidden;
    transition: all .3s;
}
.course-list .course-img{
    padding-bottom: 62.36%;
    border-radius: .1rem;
    margin-bottom: .2rem;
}
.course-list .course-img::before{
    display: block;
    content: "";
    position: absolute;
    left: .15rem;
    bottom: .15rem;
    width: 30px;
    height: 30px;
    max-width: .4rem;
    max-height: .4rem;
    background: url(../images/icon-play.png) center center no-repeat;
    background-size: contain;
    z-index: 1;
    opacity: .6;
    transition: all .3s;
}
.course-list .course-title{
    height: 40px;
    line-height: 20px;
    margin: .15rem 0;
    -webkit-line-clamp: 2;
    transition: all .3s;
}
.course-list .course-con{
    font-size: 14px;
    color: #878788;
    line-height: 20px;
    height: 60px;
    margin: .15rem 0;
}
.course-list .course-tag{
    font-size: 0;
}
.course-list .course-tag span{
    display: inline-block;
    width: fit-content;
    font-size: 14px;
    margin: 5px 0;
    min-width: 110px;
    line-height: 30px;
    padding: 0 15px;
    background: #FFFFFF;
    border-radius: 5px;
    text-align: center;
}
.course-list .course-tag span + span{
    margin-left: .08rem;
}
.course-list .course-link:hover{
    transform: translateY(-5px);
    box-shadow: 0px 5px 16px 4px rgba(0,0,0,0.18);
}
.course-list .course-link:hover .course-img .imgBg{
    transform: scale(1.05);
}
.course-list .course-link:hover .course-img::before{
    opacity: 1;
}
.course-list .course-link:hover .course-title{
    color: var(--main-color);
}

.course-box .news-left{
    width: 72%;
    max-width: 900px;
}
.course-box .news-right{
    width: 25%;
    max-width: 293px;
}
.course-box .news-name{
    margin-bottom: .2rem;
}
.course-box .course-video{
    margin: .15rem auto;
    background-color: #000000;
    border-radius: .1rem;
    overflow: hidden;
}
.course-box .course-video video{
    display: block;
    width: 100%;
    height: auto;
}
.course-box .news-text{
    font-size: 14px;
    color: #747880;
    margin-bottom: .3rem;
}
.course-box .news-text p{
    text-indent: 0;
}
.course-box .course-more{
    display: flex;
    align-items: center;
    width: fit-content;
    font-size: 14px;
    color: var(--main-color);
    border-bottom: 1px solid transparent;
    transition: all .3s;
}
.course-box .course-more i{
    display: block;
    width: 6px;
    height: 9px;
    background: url(../images/icon-more.png) center center no-repeat;
    background-size: contain;
    margin-left: .1rem;
}
.course-box .course-more:hover{
    color: var(--hover-color);
    border-bottom-color: var(--hover-color);
}
.course-box .news-h3{
    margin-bottom: .2rem;
    font-weight: normal;
}
.course-box .news-h3 span{
    padding-bottom: .1rem;
}
.course-box .news-related li{
    margin-top: .26rem;
}
.course-box .news-href{
    flex-direction: row-reverse;
}
.course-box .news-pic{
    position: relative;
    width: 120px;
    margin-right: 0;
    margin-left: .24rem;
}
.course-box .news-pic::before{
    display: block;
    content: "";
    position: absolute;
    left: .08rem;
    bottom: .08rem;
    width: 20px;
    height: 20px;
    max-width: .36rem;
    max-height: .36rem;
    background: url(../images/icon-play.png) center center no-repeat;
    background-size: contain;
    z-index: 1;
    opacity: .6;
    transition: all .3s;
}
.course-box .news-pic .imgBg{
    height: 75px;
}
.course-box .news-info h4{
    line-height: 20px;
    -webkit-line-clamp: 3;
    font-weight: normal;
}
.course-box .news-href:hover .news-pic::before{
    opacity: 1;
}

@media (max-width:1600px) {
    .course .course-text{
        padding: .8rem .3rem;
    }
    
}
@media (max-width:1400px) {

}

@media (max-width:1200px) {
    .ser-list{
        margin: .6rem 0;
    }
    .ser-list li{
        margin-top: .2rem;
    }
    .ser-img{
        margin-right: .15rem;
    }
    .ser-more{
        min-width: 100px;
        line-height: 34px;
        padding: 0 10px;
    }

    .course{
        margin: .4rem -.1rem;
    }
    .course li{
        padding: .1rem;
    }
    .course .course-tag img{
        height: 24px;
        max-height: .4rem;
    }
    .course .course-more{
        width: 140px;
        height: 40px;
        margin-top: .4rem;
    }
    .course-bread{
        margin: .2rem 0;
    }

    .course-list{
        margin: -.1rem;
    }
    .course-list li{
        padding: .1rem;
    }
    .course-list .course-link{
        padding: .15rem;
    }

    .course-box .news-related li{
        margin-top: .15rem;
    }
    .course-box .news-pic{
        margin-left: .15rem;
    }
}
@media (max-width:991px) {
    .ser-info{
        display: block;
    }
    .ser-time{
        margin: .1rem 0;
    }
    .ser-title{
        margin: .15rem 0;
    }
    .ser-more{
        margin-left: 0;
        margin-top: .15rem;
        margin-bottom: .1rem;
    }

    .course .course-text{
        padding: .5rem .3rem;
    }

    .course-list li{
        width: 50%;
    }

    .course-box .news-left{
        width: 100%;
        max-width: 100%;
    }
    .course-box .news-right{
        width: 100%;
        max-width: 100%;
        margin-top: .3rem;
    }
    .course-box .course-more{
        margin: .3rem 0;
    }
}
@media (max-width:767px) {
    .course-list .course-tag span{
        min-width: 0;
        font-size: 12px;
        line-height: 24px;
        padding: 0 .15rem;
    }
        
}
@media (max-width:640px) {
    .ser-img{
        width: 140px;
        max-width: 2.4rem;
    }
    .ser-more{
        font-size: 12px;
        line-height: 28px;
    }
    .ser-more i{
        width: 5px;
    }

    .course li{
        width: 100%;
    }
    .course .course-img{
        opacity: 1;
        visibility: visible;
    }
    .course .course-tag img:first-child{
        display: none;
    }
    .course .course-tag img:nth-child(2){
        display: block;
    }
    .course .course-name{
        color: #FFFFFF;
    }
    .course .course-more{
        width: 120px;
        height: 38px;
        font-size: 12px;
        margin-top: .6rem;
        color: #FFFFFF;
        background-color: var(--main-color);
    }
    .course .course-more i{
        width: 14px;
        height: 14px;
        background-image: url(../images/service/course-more-hover.png);
    }
}
@media (max-width:460px) {
    .course-list li{
        width: 100%;
    }
    .course-list .course-link{
        padding: .2rem;
    }
    .course-list .course-title{
        height: auto;
    }
    .course-list .course-con{
        height: auto;
    }
}