*{
    margin: 0px;
    padding: 0px;
}
.container{
    max-width: 1400px;
    margin: 0 auto;
    /* border: 1px solid red; */
    position: relative;
    padding: 0 4%; 
    margin-top: 2.2%;
}
.slide{
    width: 100%;
    /* min-height: 180px; */
    overflow: hidden;
    position: relative;

}
.slide .img{
    overflow: hidden;
    position: absolute;
    transition: width 0.4s,height 0.4s,top 0.4s,left 0.4s,z-index 0.4s;
}
.slide .img img{
    width: calc(100% - 14px);
    /* height: calc(100% - 14px); */
    height: 84%;
    /* margin: 7px; */
}
.slide .img1{
    width: 40%;
    height: 40%;
    top: 16%;
    left: -20%;
    z-index: 1;
}
.slide .img2{
    width: 50%;
    height: 78%;
    top: 7%;
    left: -10%;
    z-index: 2;
}
.slide .img2 .imgdark{
    z-index: 1;
    position: absolute;
    top: 0px;
    width: 100%;
    height: 84%;
    background: rgba(255, 255, 255, .5);
}
.slide .img3{
    width: 42.5%;
    height: 94%;
    top: 0%;
    left: 30%;
    z-index: 3;
}
.slide .img4{
    width: 50%;
    height: 78%;
    top: 7%;
    left: 51%;
    z-index: 2;
}
.slide .img4 .imgdark{
    z-index: 1;
    position: absolute;
    top: 0px;
    width: 100%;
    height: 84%;
    background: rgba(255, 255, 255, .5);
}
.slide .img5{
    width: 40%;
    height: 40%;
    top: 16%;
    left: -20%;
    z-index: 1;
}


.img-text{
    font-size: 1vw;
    color: #027600;
    padding-top: 1%;
    text-align: center;
}
.slide .img4 .img-text,.slide .img2 .img-text{
    display: none;
}




.btn-prev,.btn-next{
    font-size: 4vw;
    color: #999;
    cursor: pointer;
    -moz-user-select: none; /*火狐*/
    -webkit-user-select: none; /*webkit浏览器*/
    -ms-user-select: none; /*IE10*/
    -khtml-user-select: none; /*早期浏览器*/
    user-select: none;
}
.btn-prev{
    background: url(../img/case-arrow.png) no-repeat center center;
    transform: rotate(-180deg);
    width: 24px;
    height: 40px;
    z-index: 100;
    position: absolute;
    left: 0%;
    top: 30%;
    -webkit-transform: rotate(-180deg);
    -moz-transform: rotate(-180deg);
    -ms-transform: rotate(-180deg);
    -o-transform: rotate(-180deg);
}
.btn-next{
    background: url(../img/case-arrow.png) no-repeat center center;
    width: 24px;
    height: 40px;
    z-index: 100;
    position: absolute;
    right: 0%;
    top: 30%;
}
.btn-prev:hover,.btn-prev:focus{
    background: url(../img/case-arrow-active.png) no-repeat center center;
    transform: rotate(0);
    -webkit-transform: rotate(0);
    -moz-transform: rotate(0);
    -ms-transform: rotate(0);
    -o-transform: rotate(0);
}
.btn-next:hover,.btn-next:focus{
    background: url(../img/case-arrow-active.png) no-repeat center center;
    transform: rotate(-180deg);
    -webkit-transform: rotate(-180deg);
    -moz-transform: rotate(-180deg);
    -ms-transform: rotate(-180deg);
    -o-transform: rotate(-180deg);
}