/*nav css*/

.certificate {
    display: none;
    background-color: #f9f9f9;
    padding-top: 76px;
    padding-bottom: 48px;
}

ul.big_imgul li {
    width: 460px;
    margin-left: 93px;
}

ul.big_imgul {
    margin: 0 0 60px 0;
}

.certificate .top_container {
    width: 1200px;
    margin: 0 auto;
}

.certificate .top_container h4 {
    color: #5c5c5c;
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 50px;
    padding-bottom: 10px;
    border-bottom: 2px solid #ccc;
}

.top_container ul li {
    float: left;
}

.certificate .top_container img {
    display: block;
    width: 100%;
}

.top_ul {
    margin-bottom: 60px;
    margin-left: 146px;
}

.top_ul li {
    width: 225px;
    margin-left: 58px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.bottom_ul {
    margin-bottom: 45px;
    margin-left: 250px;
}

.bottom_ul li {
    width: 280px;
    margin-left: 46px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.top_ul_3 {
    margin-left: 88px;
    display: flex;
}

.top_ul_3 li {
    width: 280px;
    height: 190px;
    margin-left: 46px;
    /* box-shadow: 0 0 10px rgba(0,0,0,0.5); */
}

.top_ul_3 li img {
    display: block;
    width: 100%;
    height: 100%;
}

.certificate .bottom_div {
    width: 1200px;
    margin: 0 auto;
}

.certificate .bottom_div .img_lb ul {
    top: 20px;
}

.certificate .bottom_div .img_lb li {
    height: 248px;
}

.certificate .bottom_div .img_lb li img {
    margin-top: 0;
    margin-bottom: 0;
    height: 248px;
    width: 100%;
}

.certificate .bottom_div .img_lb .ul_imgdiv {
    padding-top: 30px;
    height: 248px;
    padding-bottom: 20px;
}

.certificate .bottom_div .img_lb .upper,
.certificate .bottom_div .img_lb .next {
    width: 30px;
    height: 88px;
    margin-top: -44px;
}


/*nav css end*/


/*main css */

.jianjie {
    /*display: none;*/
    background-color: #f9f9f9;
}

main.content .guildtab {
    width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}

main.content .guildtab h4 {
    text-align: center;
    margin-bottom: 42px;
    font-size: 23px;
    color: #353535;
}

main.content .guildtab .summary {
    width: 900px;
    margin: 0 auto;
}

main.content .guildtab h5 {
    margin-bottom: 42px;
    font-size: 21px;
    color: #525151;
    font-weight: 400;
}

main.content .guildtab .summary p {
    color: #848484;
    line-height: 34px;
}

.titlep {
    text-indent: 2em;
}

.qiye {
    margin-top: 72px;
}


/*main css end*/


/*footer css*/


/*footer.footer{
	max-width: 1920px;
	min-width: 1200px;
	height: 50px;
	margin: 0 auto;
	background-color: #e8e8e8;
	text-align: center;
	line-height: 50px;
	
}
.copyright{
	color: #353535;
}*/


/*footer css end*/

.bigimg_div {
    width: 536px;
    height: 736px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -268px;
    margin-top: -368px;
    cursor: pointer;
}

.bigimg_div img {
    display: block;
    width: 100%;
    height: 100%;
}