* {-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;}
.about_banner{ width: 100%; }
.about_banner img{ width: 100%; }
.about_box1{ padding-top: 50px; width: 1200px; margin: 0 auto; }
.cn_title{font-size: 24px;line-height: 36px;font-weight: bold; text-align: center;}
.en_title{font-family: 'Arial Black', sans-serif;font-size: 48px;line-height: 1;color: #0047BA; text-align: center;}
.about_box1 .con{display:flex;align-items:stretch;-webkit-align-items:stretch;flex-wrap:wrap;width:100%; margin-top: 50px;}
.about_box1 .con dl{ width: 50%;}
.about_box1 .con dd{ width: 50%; background: #0047BA; color: #fff; font-size: 14px; padding: 25px; line-height:30px; }

.about_box2{ padding-top: 50px; }
.about_box2 .img{ margin-top: 50px; }
.about_box2 .img img{ width: 100%; }
.about_box2 .con{ width: 100%;background: url(../images/aobut_11.jpg) no-repeat 50% 100%;background-position: center bottom; }
.about_box2 .con ul{ width: 1200px; margin:0 auto; padding-top: 50px; padding-bottom: 50px;}
.about_box2 .con ul li{ position: relative; font-size: 16px; line-height: 26px; padding-top: 10px; padding-bottom: 10px; padding-left: 30px;}
.about_box2 .con ul li:after{ content: ""; background: none; width: 6px; height: 6px; border-radius: 100%; left: 0; position: absolute; border:2px solid #000; top: 17px; }

.about_box2 .content{ width: 1200px; margin:0 auto;}
.about_box2 .content dl{ width: 100% }
.about_box2 .content dl img{ width: 100%; }
.about_box2 .content dd{ background: #ececec; padding: 30px 80px; }
.about_box2 .content dd h1{ color: #0047BA; font-size: 24px; font-weight: bold;}
.about_box2 .content dd h2{ font-size: 18px; line-height: 30px; padding-top: 10px; padding-bottom: 10px; }

.about_box3{ padding-top: 50px; width: 1200px; margin: 0 auto; padding-bottom: 50px; }
.about_box3 ul{display:flex;align-items:stretch;-webkit-align-items:stretch;flex-wrap:wrap;width:100%; margin-top: 50px;}
.about_box3 ul li{ width: 33%; margin-right: 0.5%; margin-bottom: 0.5%; }
.about_box3 ul li img{ width: 100%; display: block;}
.about_box3 ul li:nth-child(3n){ margin-right: 0; }
.about_box3 ul li:nth-child(5){ background: #0047BA; color: #fff; font-size: 40px; display: flex; justify-content: center;align-items: center;}

/*首页联系我们*/
.contact_box{ width: 100%; margin-left: 0; background: #0047BA; position: relative;display:flex;align-items:stretch;-webkit-align-items:stretch;flex-wrap:wrap;}

@media (min-width:1920px) {
.contact_box .bg_img{ position: absolute; bottom: 0; width: 1920px; left: 50%; margin-left: -960px; padding-left: 0;}
}
@media (min-width:960px) {
.contact_box .bg_img{ position: absolute; bottom: 0; width: 1480px; left: 50%; margin-left: -740px; padding-left: 0;}
}
.contact_box .bg_img img{ width: 100%; }