.container1{
    width:847px;
    margin: 0px auto;
    overflow: hidden;
}

.course_item1{
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa1.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}
.course_item1:nth-child(2){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa2.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item1:nth-child(3){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa3.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item1:nth-child(4){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa4.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item1:nth-child(5){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa5.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item1:nth-child(6){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa6.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item2{
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa7.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}
.course_item2:nth-child(2){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa8.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item2:nth-child(3){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa9.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item2:nth-child(4){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa10.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item2:nth-child(5){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa11.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item2:nth-child(6){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa12.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item3{
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa13.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}
.course_item3:nth-child(2){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa14.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item3:nth-child(3){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa15.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item3:nth-child(4){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa16.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item3:nth-child(5){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa17.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item3:nth-child(6){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa18.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}


.course_item4{
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa19.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}
.course_item4:nth-child(2){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa20.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item4:nth-child(3){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa21.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item4:nth-child(4){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa22.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item4:nth-child(5){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa23.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item4:nth-child(6){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa24.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}


.course_item5{
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa25.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}
.course_item5:nth-child(2){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa26.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item5:nth-child(3){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa27.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item5:nth-child(4){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa28.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item5:nth-child(5){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa29.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}

.course_item5:nth-child(6){
    width: 263px;
    height: 131px;
    background-image: url(../images/hyjjfa30.png);
    background-size: 100% 100%;
    position: relative;
    perspective: 300px;
    /*-webkit-perspective: 500;*/
    display: block;
    cursor: pointer;
    margin:0px 6px 30px 0px;
    float: left;
}





















.course_item_name1{
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    position: absolute;
    width: 263px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    margin-top: 90px;
    text-align: center;
    line-height: 40px;
}
.course_item_modal1{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
    /*transform: rotateY(0deg);*/
    /*transform-origin: left;*/
    display: none;
}
.course_item_inner1{
    width: 100%;
    height: 100%;
    color: #FFFFFF;
    font-size: 14px;
    padding-left: 40px;
    padding-right: 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.course_item_modal1 h4{
    font-size: 16px;
    font-weight: 500;
    /*margin-bottom: 38px;*/
    text-align: left;margin-top: 5px;
}
.course_item_modal1.active{
    display: block;
    transform-origin: left;
    animation: animate 1.5s;
    /*    animation-fill-mode:forwards;
        -webkit-animation-fill-mode:forwards; !* Safari 和 Chrome *!*/
}
.course_item_inner1 p{
    text-align: left;
    margin-top: 5px;
    font-size: 14px;
}
/*@keyframes animate {*/
/*    to {*/
/*      transform: rotateY(5deg);*/
/*    }*/
/*}*/