.hide {
    display: block;
}

.banner img {
    width: 1375px;
}

.development_center_nav {
    background-color: #ffffff;
    margin-top: -6px;
    height: 60px;
    box-shadow: 0 4px 5px -3px #585858;
}

.development_center_nav ul li {
    display: block;
    float: left;
    line-height: 60px;
    margin-right: 30px;
}

/*����*/
.development_center {
    width: 500px;
    /*830px*/
    margin: 0 auto;
}

.development_center_nav ul li a {
    text-decoration: none;
    color: #585858;
    font-size: 16px;
    padding: 20px;
    padding-top: 0;
    padding-bottom: 15px;
}

.development_center_nav ul li a:hover {
    border-bottom: 4px solid #202a7b;
}

.gcgl {
    width: 1360px;
    margin: 0 auto;
}

.cxyf {
    width: 1360px;
    margin: 0 auto;
}

.sjyj {
    width: 1360px;
    margin: 0 auto;
}


.sjyj img{
    width: 1360px;

}

.cxyf img{
    width: 1360px;
}

.gcgl img{
    width: 1360px;

}