.banner{
    position: relative;
    width: 100%;
    margin-top:50px;
}


.banner img {
    width: 100%;
    display: block;
}
.banner .banner-text{
    position: absolute;
    font-size: 48px;
   color:#fff;
    top: 35%;
    left: 5%;
    font-weight: 600;
    
}
.hy{
    margin-bottom:45px;
}
.title{
 
    font-size:30px;
    color: #121F25;
    background: #E9E9E9;
    margin-bottom: 90px;
    padding-top:50px;

}
.title h2{
    
    font-weight: bold;
    margin: 0 0 20px;
}
.title .hr span{
    width: 17%;
    height: 6px;
    background: #345AC9;
    display: block;
    margin:0 auto;
    position:absolute;
    top: -2px;
    left: calc((100% - 17% ) / 2);
}
.hr{
    width: 61%;
    height: 2px;
    background: #1F1E24;
    position: relative;
    margin: 0 auto;
}
.hangye{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1260px;
    margin:0 auto;
    overflow: hidden;
}
.hangye li{
    margin-right:28px;
    width: calc((100% - 28px * 3 ) / 4 );
    margin-bottom:28px;
    position: relative;
}
.hangye li p{
    position: absolute;
    width: 100%;
    padding:2%;
    color: #fff;
    left: 0;
    top: 0;
    font-size: 18px;
    padding: 12%
}
.hangye li img{
    width: 100%;
  
}
.hangye li:hover img{
 animation: shake 0.82s cubic-bezier(.36, .07, .19, .97) both;
	transform: translate3d(0, 0, 0);
	backface-visibility: hidden;
	/*perspective: 1000px;*/
}
@keyframes shake {
	10%, 90% {
		transform: translate3d(-1px, 0, 0);
	}
	20%, 80% {
		transform: translate3d(2px, 0, 0);
	}
	30%, 50%, 70% {
		transform: translate3d(-4px, 0, 0);
	}
	40%, 60% {
		transform: translate3d(4px, 0, 0);
	}
}

.hangye li:nth-child(4n){
    margin-right:0;
}
.h3{
    font-size: 36px;
    color: #333333;
}
.kehu{
    margin: 50px auto 100px;
    width: 100%;
    max-width: 1261px;
}
@media (max-width:1200px){
    .h3{
       font-size:26px;
    }
    .title {
    font-size: 22px;
    }
}
@media (max-width: 750px){
     .banner .banner-text{
        font-size: 20px;
    }
    .title{
        font-size: 16px;
        padding-top: 30px;
        margin-bottom: 40px;
    }
    .hangye li{
        width: calc((100% - 10px ) / 2 );
        margin-right: 10px;
        margin-bottom: 10px;
    }
    .hangye li:nth-child(2n){
    margin-right:0;
    }
    .hangye li:nth-child(3n){
    margin-right:10px;
    
    }
    .hangye li:nth-child(6n){
    margin-right:0;
    }
    .h3{
        font-size: 24px;
    }
    .hangye li p{
        font-size: 14px;
       padding: 12% 5%;
    }
}