.one_content_box{width: 100%;height: 605px;}
.one_content_box img{width: 100%;height: 100%;}

.two_content_box{width: 100%;height: 850px;}
.two_content_box_details{width: 1200px;height: 100%;margin: 0 auto;display: flex;flex-direction: column;align-items: center;}
.two_content_title{font-size: 29px;color: #000000;margin-top: 120px;}
.two_content_text{font-size: 14px;color: #999999;margin-top: 13px;}
.two_content_box_details_box{width: 100%;height: 445px;display: flex;flex-direction: row;align-items: center;justify-content: space-between;margin-top: 85px;}
.two_content_box_details_box_left{}
.two_content_box_details_box_left img{width: 427px;height: 100%;}
.two_content_box_details_box_right{}
.two_content_box_details_box_right img{width: 518px;height: 235px;}

.three_content_box{width: 100%;height: 850px;background: url(../images/ytds_ppxm_solve_img@2x.png)no-repeat;background-size: 100% 100%;}
.three_content_box_details{width: 1280px;height: 100%;margin: 0 auto;display: flex;flex-direction: column;align-items: center;}
.three_content_title{font-size: 29px;color: #fff;margin-top: 120px;}
.three_content_text{font-size: 14px;color: #fff;margin-top: 13px;}
.thress_ul_one{width: 100%;height: 250px;margin-top: 75px;display: flex;flex-direction: row;}
.thress_ul_one li{width: 250px;height: 250px;color: #8c8c8c;background: url(../images/ytds_ppxm_solve_bg_nor_img@2x.png)no-repeat;background-size: 100% 100%;display: flex;flex-direction: column;align-items: center;margin-left: 45px;}
.thress_ul_one li:nth-of-type(1){margin-left: 0px;}
.thress_ul_one li:hover{background: url(../images/ytds_ppxm_solve_bg_select_img@2x.png)no-repeat;background-size: 100% 100%;color: white;}
.thress_ul_one_title{font-size: 16px;margin-top: 60px;}
.thress_ul_one_text{margin-top: 45px;font-size: 14px;line-height: 20px;}
.thress_ul_two{width: 100%;height: 250px;margin-top: -75px;display: flex;flex-direction: row;}
.thress_ul_two li{width: 250px;height: 250px;color: #8c8c8c;background: url(../images/ytds_ppxm_solve_bg_nor_img@2x.png)no-repeat;background-size: 100% 100%;display: flex;flex-direction: column;align-items: center;margin-left: 45px;}
.thress_ul_two li:nth-of-type(1){margin-left: 135px;}
.thress_ul_two li:hover{background: url(../images/ytds_ppxm_solve_bg_select_img@2x.png)no-repeat;background-size: 100% 100%;color: white;}
.thress_ul_two_title{font-size: 16px;margin-top: 60px;}
.thress_ul_two_text{margin-top: 30px;font-size: 12px;line-height: 20px;text-align: center;}

.four_content_box{width: 100%;height: 1530px;background: white;}
.four_content_box_details{width: 1200px;height: 100%;display: flex;flex-direction: column;align-items: center;margin: 0 auto;}
.four_content_box_details_title{font-size: 29px;color: #000000;margin-top: 190px;}
.four_content_box_details_text{font-size: 14px;color: #8c8c8c;margin-top: 13px;}
.four_content_box_details_top{width: 100%;display: flex;flex-direction: row;align-items: center;height: 200px;justify-content: center;margin-top: 90px;}
.four_content_box_details_top_left{display: flex;flex-direction: column;justify-content: space-between;width: 404px;height: 100%;margin-left: 80px;}
.four_content_box_details_top_left img:nth-of-type(1){width: 290px;height: 50px;margin-left: 114px;}
.four_content_box_details_top_left img:nth-of-type(2){width: 404px;height: 50px;}
.four_content_box_details_top_content{box-sizing: border-box;padding-top: 88px;color: #004A91;text-align: center;line-height: 20px;
	width: 225px;height: 178px;background: url(../images/ytds_ppxm_advantage_img_05@2x.png)no-repeat;background-size: 100% 100%;display: flex;flex-direction: column;align-items: center;}
.four_content_box_details_top_right{display: flex;flex-direction: column;justify-content: space-between;width: 488px;height: 100%;}
.four_content_box_details_top_right img:nth-of-type(1){width: 475px;height: 50px;}
.four_content_box_details_top_right img:nth-of-type(2){width: 488px;height: 50px;}

.four_content_box_details_bottom{width: 100%;height: 516px;display: flex;flex-direction: row;align-items: center;justify-content: space-between;margin-top: 88px;}
.four_content_box_details_bottom img:nth-of-type(1){width: 593px;height: 100%;}
.four_content_box_details_bottom img:nth-of-type(2){width: 351px;height: 344px;}


/* 1024 */
@media (max-width: 1201px){
	
}
/* 800 */
@media (max-width: 999px){
	
}

/*ipad mobile*/
/* 768 */
@media (max-width: 779px){
	.two_content_title {margin-top: 30px;}
	.two_content_box{height: auto;}
	.one_content_box{width: 100%;height: auto !important; }
	.two_content_box_details{width: 100%;}
	.two_content_box_details_box{flex-direction: column;height: auto;padding-bottom: 20px;}
	.two_content_box_details_box_left img{width: 100%;}
	.two_content_box_details_box_right {width: 100% !important;margin-top: 50px;padding: 0 20px;box-sizing: border-box;}
	.three_content_box{height: auto;}
	.three_content_box_details{width: 100%;}
	.thress_ul_one {overflow: hidden;flex-direction: column;height: auto;}
	.thress_ul_one li{margin: 0 auto !important;}
	.thress_ul_two {overflow: hidden;flex-direction: column;height: auto;margin: 0;}
	.thress_ul_two li{margin: 0 auto !important;}
	.four_content_box{height: auto;}
	.four_content_box_details{width: 100%;}
	.four_content_box_details_top{flex-direction: column;height: auto;}
	.four_content_box_details_top_left{width: 100%;margin-left: 0px !important;}
	.four_content_box_details_top_left img{width: 100% !important;height: auto !important; margin-left: 0px !important;}
	.four_content_box_details_top_content{margin: 20px;}
	.four_content_box_details_top_right {width: 100%;margin-left: 0px !important;}
	.four_content_box_details_top_right img{width: 100% !important;height: auto !important; margin-left: 0px !important;}
	.four_content_box_details_bottom{height: auto !important;flex-direction: column;}
	.four_content_box_details_bottom img:nth-of-type(1){width: 100% !important;height: auto !important;}
	.gongsi_ul{width: 90% !important;}
}
/* iphone6s mobile */
/* 375 */
@media (max-width: 414px){
	
	
}
/*iphone5 mobile*/
/* 320 */
@media(max-width:320px) {
	
}