body{
    background: #fafafa;
}
.header {
    height: 80px;
    background: #ffffff;
}

.header ul li a {
    line-height: 80px;
}

.header .logo {
    margin: 18px auto;
}

.header .denglu {
    margin-top: 25px;
}

.banner {
    width: 100%;
    height: 610px;
    background: url(../img/jpg/bj1.jpg) no-repeat;
    min-width: 1200px;
    display: flex;
    justify-content: center;
}

.bnner-box {
    width: 1200px;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
}

.banner-t {
    font-family: MyriadPro-Regular;
    font-size: 48px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 48px;
    letter-spacing: 1px;
    color: #ffffff;
    opacity: 0.2;
    margin-top: 214px;
}

.bt_z {
    font-family: SourceHanSansCN-Bold;
    font-size: 36px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    letter-spacing: 0px;
    color: #ffffff;
    margin-top: 19px;
}

.bnner-box span {
    display: block;
    width: 70px;
    height: 2px;
    background: #f6aa15;
    margin-top: 19px;
}

.bnner-box p {
    width: 628px;
    height: auto;
    font-family: SourceHanSansCN-Regular;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0px;
    color: #ffffff;
    margin-top: 29px;
}
.nav{
    width: 100%;
    height: auto;
    overflow: hidden;
    border-bottom: 1px solid #e3e3e3;
    background: #ffffff;
}
.nav ul{
    width: 1200px;
    margin: 0 auto;
}
.nav ul li{
    float: left;
    width: auto;
    margin-right: 53px;
}
.nav ul li a{
    display: block;
    font-family: MicrosoftYaHei;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 72px;
	letter-spacing: 1px;
	color: #666666;
}
.nav_on{
    color: #0053a6 !important;
    border-bottom: 1.5px solid #0053a6;
}
.ul_li{
    width: 1200px;
    height: auto;
    margin: 0 auto;
    border-bottom: 1px solid #e1e1e1;
    overflow: hidden;
}
.ul_li li {
    float: left;
    margin-right: 28px;
}
.ul_li li a{
    font-family: MicrosoftYaHei;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 50px;
	letter-spacing: 0;
	color: #666666;
}
.ul_li_on{
    color: #0053a6 !important;
}
.img_box{
    width: 1200px;
    margin: 0 auto;
    padding-bottom: 80px;
}
.img_list{
    width: 100%;
    overflow: hidden;
    margin-top: 10px;
}
.img_list_l{
    width: 845px;
	height: 514px;
    position: relative;
    float: left;
}
.img_list_l img{
    width: 845px;
	height: 514px;
}
.img_list_p{
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 50px;
	text-align: center;
    line-height: 50px;
    background: rgba(0,0,0, .5);
    font-family: MicrosoftYaHei;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	color: #ffffff;
}
.img_list_r{
    width: 346px;
	height: auto;
    float: right;
    overflow: hidden;
}
.img_list_rt{
    width: 346px;
	height: 248px;
    position: relative;
}
.mb19{
    margin-bottom: 19px;
}
.img_li4{
    width: 100%;
    height: auto;
    overflow: hidden;
    position: relative;
}
.img_li{
    width: 595px;
	height: 306px;
    position: relative;
    overflow: hidden;
}
.img_li img{
    width: 100%;
    height: 100%;
}
.img_list_l:hover img,.img_list_rt:hover img,.img_list_rt:hover img,.img_li4:hover img,.img_li:hover img{
    transform: scale(1.1);
}