banner {
    width: 100%;
    height: auto;
    overflow: hidden;
}

banner img {
    width: 100%;
}

nav {
    width: 100%;
    height: 57px;
    background-color: #ffffff;
    border-bottom: 1px solid #e8e8e8;
}

.dh_w {
    width: 100%;
    height: 100%;
}

.dh {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.dh span{
    display: block;
    font-family: SourceHanSansCN-Light;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #999999;
}

.dhs>a {
    font-family: SourceHanSansCN-Light;
    font-size: 14px;
    font-weight: normal;
    letter-spacing: 0px;
    color: #333333;
}

.dh_img {
    width: 11px;
    height: 13px;
    margin-right: 12px;
}

.dh_img img {
    width: 100%;
}

.dh_j {
    margin: 0 10px;
}
.gsjc{
    width: 100%;
    height: auto;
    overflow: hidden;
}
.g_l{
    float: left;
    width: 40%;
    height: auto;
    overflow: hidden;
    background: url(../images/CompanyUS.png) no-repeat;
    background-position: top;
    margin-left: 239px;
    margin-top: 89px;
}
.gl_t{
    width: 100%;
    height: auto;
    overflow: hidden;
    font-family: SourceHanSansCN-Light;
	font-size: 36px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 54px;
	letter-spacing: 0px;
    color: #171720;
    margin-top: 22px;
}
.g_l span{
    display: block;
    width: 133px;
	height: 1px;
    background-color: #d9dbdf;
    margin: 21px 0;
}
.gl_text{
    font-family: SourceHanSansCN-Light;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 32px;
	letter-spacing: 0px;
	color: #333333;
}
.g_r{
    width: 40%;
    height: auto;
    overflow: hidden;
    float: right;
}
.gl_logo{
    width: 219px;
    height: auto;
    overflow: hidden;
    margin-top: 45px;
}
.gl_logo img{
    width: 100%;
}
.Timeline{
    width: 100%;
	height: 540px;
    background-color: #f0f6f9;
    overflow: hidden;
    background: url(../images/beijing.png) no-repeat;
    background-size: 100%;
}
.time_txt{
    width: 100%;
    height: auto;
    font-family: SourceHanSansCN-Light;
	font-size: 36px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 32px;
	letter-spacing: 0px;
    color: #333333;
    margin-top: 96px;
}
.time_p{
    width: 100%;
    height: auto;
    font-family: SourceHanSansCN-Light;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 32px;
	letter-spacing: 0px;
    color: #333333;
    margin-top: 18px;
    margin-bottom: 20px;
}
.time_lun{
    width: 100%;
    height: auto;
    
}
.li_list{
    width: 100%;
    height: auto;
    overflow: hidden;
}
.li_list_l{
    width: 50%;
    height: auto;
}
.li_list_l img{
    width: 100%;
}
.li_list_r{
    width: 50%;
    height: auto;
}
.list_r_t{
    width: 100%;
    height: auto;
    font-family: SourceHanSansCN-Light;
	font-size: 48px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 30px;
	letter-spacing: 0px;
    color: #666666;
    margin-top: 83px;
}
.list_r_z{
    width: 100%;
    height: auto;
    font-family: SourceHanSansCN-Light;
	font-size: 20px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 30px;
	letter-spacing: 0px;
    color: #333333;

    margin-top: 20px;
}
.shuxian{
    width: 1px;
	height: 151px;
    background-color: #999999;
    margin: 45px 0 45px 86px;
}
.list_text{
    width: 624px;
	height: auto;
	font-family: SourceHanSansCN-Light;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 30px;
	letter-spacing: 0px;
    color: #666666;
}
.list_r_w{
    width: 100%;
    height: auto;
    font-family: SourceHanSansCN-Light;
	font-size: 36px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 30px;
	letter-spacing: 0px;
    color: #333333;
    margin-bottom: 32px;
}
.li_list:nth-child(even) .li_list_l{
    float: left;
}
.li_list:nth-child(even) .li_list_r{
    float: left;
}
.li_list:nth-child(even) .list_r_t{
    margin-left: 86px;
}
.li_list:nth-child(even) .list_r_z{
    margin-left: 86px;
}
.li_list:nth-child(even) .list_r_w{
    margin-left: 86px;
}
.li_list:nth-child(even) .list_text{
    margin-left: 86px;
}
.li_list:nth-child(odd) .li_list_l{
    float: right;
   
}
.li_list:nth-child(odd) .list_r_t{
    text-align: end;
    float: right;
    margin-right: 71px;
}
.li_list:nth-child(odd) .list_r_z{
    text-align: end;
    float: right;
    margin-right: 71px;
}
.li_list:nth-child(odd) .list_r_w{
    text-align: end;
    float: right;
    margin-right: 71px;
}
.li_list:nth-child(odd) .shuxian{
    margin-left: 92%;
    float: right;
    margin-right: 71px;
}

.li_list:nth-child(odd) .list_text{
    text-align: right;
    float: right;
    margin-right: 71px;
}
.bottom{
    margin-top: 0 !important;
}
.li_list:hover{
    background-color: #f0f6f9;
}
.li_list:hover .list_r_w{
    color: #c7000a;
}
@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1440px) {
    .container {
        max-width: 1440px;
    }

}

@media only screen and (max-width: 992px) {
    .container {
        max-width: 960px;
    }

  
}

@media only screen and (max-width: 768px) {
    .container {
        max-width: 750px;
    }

}

@media only screen and (max-width: 576px) {}