@media screen and (min-width: 750px) {
    body {
        background: url(/ctgenglish/template/common/img/gybgm.png) no-repeat center;
        background-size: 100% 100%;
    }
    .contentWarp {
        width: 100%;  
    }
    .contentWarp .banner{
        width: 100%;
        height: auto;
    }
    .contentWarp .banner img {
        width: 100%;
        height: auto;
    }
    .content {
        width: 1000px;
        margin: 0 auto;
        padding-bottom: 40px;
        box-sizing: border-box;
    }
    .content .top {
        width: 100%;
        border-bottom: 2px solid #D7EBF4;
        height: 60px;
        line-height: 70px;
    }
    .content .top .crumb {
        font-size: 18px;
        font-family: Roboto Condensed;
        color: #78B8D9;
    }
    .content .top .crumb span {
        color: #d0cdcd;
        font-size: 14px;
        margin-right: 20px;
        margin-left: 20px;
    }
    .detial {
        display: flex;
        padding-top: 40px;
    }
    .detial .left {
        width: 285px;
        padding-right: 20px;
        box-sizing: border-box;
    }
    .detial .left .item {
        width: 100%;
        text-align: left;
        font-size: 22px;
        line-height: 20px;
        font-family: Roboto Condensed;
        font-weight: 400;
        color: #a0c6ea;
        padding-left: 50px;
        margin-bottom: 20px;
        box-sizing: border-box;
        cursor: pointer;
    }
    .detial .left .item.check{
        font-weight: 700;
        font-size: 22px;
        color: #4895dc;
        position: relative;
    }
    .detial .left .item:hover{
        color: #4895dc;
    }
    .detial .left .item.check::before{
        content: "";
        position: absolute;
        top: 2px;
        left: 30px;
        transform: translateX(-50%);
        width: 0;
        height: 0;
        border-left: 15px solid transparent;
        border-top: 15px solid transparent;
        border-right: 15px solid #4895dc
    }
    .detial .right {
        width: calc(100% - 285px);
        border-left: 1px solid #D7EBF4;
        padding-left: 75px;
        box-sizing: border-box;
    }
    .imgListTop {
        width: 470px;
        padding-left: 135px;
        display: flex;
        justify-content: space-between;
    }
    .imgListTop img {
        width: 200px;
        padding-left: 20px;
        padding-right: 20px;
        margin-bottom: 20px;
    }
    .imgList {
        display: flex;
        width: 740px;
        align-items: flex-start;
        justify-content: space-between;
    }
    .imgList img {
        width: 200px;
        margin-bottom: 20px;
    }
}
@media screen and (max-width: 750px) {
    body {
        background: url(/ctgenglish/template/common/img/gybgm.png) no-repeat center;
        background-size: 100% 100%;
    }
    .contentWarp {
        width: 100%;  
    }
    .contentWarp .banner {
        width: 100%;
        
    }
    .contentWarp .banner img {
        width: 100%;
        height: auto;
    }
    .content {
        width: 100%;
        padding: .4rem .4rem;
        box-sizing: border-box;
    }
    .content .titleTop {
        font-size: .40rem;
        height: .9rem;
        color: #4895dc;
        line-height: .38rem;
        font-family: Roboto Condensed;
        font-weight: 400;
        border-bottom: .08rem solid #d7ebf4;
    }
    .content .imgList {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        align-items: flex-start;
        justify-content: space-between;
        box-sizing: border-box;
    }
    .content .imgList img{
        width: calc((100% - 1rem)/2);
    }
}