.mian{
    background: url(../images/jszgbg.png) no-repeat;
    background-size: 100% 100%;
    margin-bottom: 0;
    padding: 50px 0;
}
.jstitle{
    color: white;
    text-align: center;
    margin-bottom: 40px;
}
.jstitle>.title{
    font-size: 30px;
}
.jstitle>.jj{
    font-size: 18px;
}
.jstitle>.pian{
    height: 2px;
    background: white;
    width: 100px;
    margin: 0 auto;
    margin-top: 10px;
}
.pians ul{
    list-style: none;
    margin: 0;
    padding: 0;
}
.pians ul li{
    float: left;
}
.pians ul li a{
    text-decoration: none;
    position: relative;
}
.pians ul li:nth-child(1) {
    padding-top: 30px;

    background: #0176A9;
    background: url(../images/oabg1.png) no-repeat;
background-size: 100% 100%;
}
.pians ul li:nth-child(1) a{
padding-left: 20px;
width: 855px;
}
.pians ul li:nth-child(1) a .bg{
    height: 340px;
    margin-top: -30px;
}
.pians ul li:nth-child(2){
    padding-top: 30px;
}
.pians ul li:nth-child(2) a{
    background: url(../images/oabg2.png) no-repeat;
    background-size: 100% 100%;
    padding: 30px;
}
.pians ul li:nth-child(3) a{
    background: url(../images/oabg3.png) no-repeat;
    background-size: 100% 100%;
    padding: 30px;
}
.pians ul li:nth-child(4) a{
    background: #00BBF4;
    padding: 30px;
}
.pians ul li:nth-child(5) a{
    background: #067FC4;
    padding: 30px;
}
.pians ul li:nth-child(6) a{
    background: url(../images/oabg6.png) no-repeat;
    background-size: 100% 100%;
    padding: 30px;
}
.pians ul li a{
    color: white;
    width: 285px;
    height: 310px;
    display: block;
}
.pians ul li a .bg{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 10;
    transition: all 1s ease-out 0s;
    background-color: rgba(130,62,147,.0);
}
.pians ul li a>.title{
    font-size: 30px;
    transition: all 1s ease-out 0s;
    z-index: 11;
    position: absolute;
}
.pians ul li a>.title>.hd{
    height: 2px;
    background: white;
    width: 50px;
}
.pians ul li a>.title>.chid{
    font-size: 16px;
    margin-top: 10px;
}
.pians ul li a>.imgs{
    position: absolute;
    bottom: 40px;
    z-index: 11;
    transition: all 1s ease-out 0s;
}
.pians ul li a:hover .imgs{
    transform:translateY(-40px);
}
.pians ul li a:hover .title{
    transform:translateY(10px);
}
.pians ul li a:hover .bg{
    background-color: rgba(130,62,147,.7);
}
.pianstu ul{
    list-style: none;
    margin: 0;
    padding: 0;
}

.pianstu ul li{
    float: left;
}
.pianstu ul li a{
    text-decoration: none;
    position: relative;
}
.pianstu ul li:nth-child(1) a{
    background: #00BBF4;
    padding: 30px;
}
.pianstu ul li:nth-child(2) a{
    background: #067FC4;
    padding: 30px;
}
.pianstu ul li:nth-child(3) a{
    background: url(../images/oabg6.png) no-repeat;
    background-size: 100% 100%;
    padding: 30px;
}
.pianstu ul li a{
    color: white;
    width: 365px;
    height: 310px;
    display: block;
}

.pianstu ul li a .bg{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 10;
    transition: all 1s ease-out 0s;
    background-color: rgba(130,62,147,.0);
}
.pianstu ul li a>.title{
    font-size: 30px;
    transition: all 1s ease-out 0s;
    z-index: 11;
    position: absolute;
}
.pianstu ul li a>.title>.hd{
    height: 2px;
    background: white;
    width: 50px;
}
.pianstu ul li a>.title>.chid{
    font-size: 16px;
    margin-top: 10px;
}
.pianstu ul li a>.imgs{
    position: absolute;
    bottom: 40px;
    z-index: 11;
    transition: all 1s ease-out 0s;
}
.pianstu ul li a:hover .imgs{
    transform:translateY(-40px);
}
.pianstu ul li a:hover .title{
    transform:translateY(10px);
}
.pianstu ul li a:hover .bg{
    background-color: rgba(130,62,147,.7);
}

@media screen and (max-width: 1280px){

    .pianstu ul li{
        display: inline-block;
        width: 100%;
    }
    .pianstu ul li a{
        width: 100%;
    }

}
@media screen and (max-width: 1500px){

}
@media screen and (max-width: 1400px){

}
@media screen and (max-width: 1280px){
    .pians ul li{
        display: inline-block;
        width: 100%;
    }
    .pians ul li a{
        width: 100%;
    }
    .pians ul li:nth-child(1) a{

        padding-left: 20px;
        width: 100%;
        }
        .pians ul li:nth-child(2){
            padding: 0;
        }
}
@media screen and (max-width: 1100px){

}
@media screen and (max-width: 1024px){

}
@media screen and (max-width: 1000px){

}

@media screen and (max-width: 900px){

}
@media screen and (max-width: 800px){
    .pians ul li{
        display: inline-block;
        width: 100%;
    }
    .pians ul li a{
        width: 100%;
    }
    .pians ul li:nth-child(1) a{

        padding-left: 20px;
        width: 100%;
        }
        .pians ul li:nth-child(2){
            padding: 0;
        }
 .pianstu ul li{
        display: inline-block;
        width: 100%;
    }
    .pianstu ul li a{
        width: 100%;
    }
}

@media screen and (max-width: 700px){

}
@media (max-width: 414px) {
    .pians ul li{
        display: inline-block;
        width: 100%;
    }
    .pians ul li a{
        width: 100%;
    }
    .pians ul li:nth-child(1) a{

        padding-left: 20px;
        width: 100%;
        }
        .pians ul li:nth-child(2){
            padding: 0;
        }
  .pianstu ul li{
        display: inline-block;
        width: 100%;
    }
    .pianstu ul li a{
        width: 100%;
    }
}
@media (max-width: 375px) {

	/******iphone X 7 8******/


}
@media (max-width: 360px) {

	/******iphone X 7 8******/
	.layer .search_box form .kw {
		width: 260px;

	}

}

@media (max-width: 320px) {

	/******iphone 5/SE******/

}