.section1 .wrap{
    padding-top: 200px;
    padding-bottom: 100px;
    width: 1600px;
    margin: 0 auto;
}
.section1 .wrap .title{
    margin-bottom: 40px;
}
.section1 .wrap .title h3{
    font-size: 40px;
}
.section1 .wrap .main .list{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 20px;
}
.section1 .wrap .main .list .item{
    cursor: pointer;
}

.section1 .wrap .main .list .item:hover .img img{
    transform: scale(1.1);
}
.section1 .wrap .main .list .item .img{
    height: 240px;
    overflow: hidden;
    position: relative;
}
.section1 .wrap .main .list .item .img .play{
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid #fff;
    position: absolute;
    left: 50%;
    top: 50%;
    transition: all .6s;
    transform: translate(-50%,-50%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.section1 .wrap .main .list .item:hover .play{
    border-color: #2C6DB6;
    background-color: #2C6DB6;
}
.section1 .wrap .main .list .item:hover .text{
    color: #2C6DB6;
}
.section1 .wrap .main .list .item .img .play::after{
    width: 0;
    height: 0;
    content: "";
    display: block;
    border: 10px solid transparent;
    transform: translateX(5px);
    border-top-width: 8px;
    border-bottom-width: 8px;
    border-left-color: #fff;
}
.section1 .wrap .main .list .item .img img{
    width: 100%;
    transition: all 2s;
    height: 100%;
}
.section1 .wrap .main .list .item .text{
    text-align: center;
    font-size: 18px;
    margin-top: 10px;
    transition: all .6s;
}