.banner-us{background-image:url(../image/banner_f49bfb3.jpg)}.introduction{padding-top:41px;padding-bottom:60px}.introduction .text{margin-top:40px}.introduction .text p{font-size:16px;color:#4a4a4a;line-height:28px;margin-top:34px}.history{background-color:#f1f1f1;padding-top:76px;padding-bottom:119px;min-width:1200px}.history img{width:1200px;height:1145px;margin-top:89px}.partner{padding-top:80px;padding-bottom:107px}.partner img{width:100%;margin-top:50px}@media only screen and (min-width:960px) and (max-width:1366px){.introduction{padding-top:41px;padding-bottom:60px}.introduction .text{margin-top:37px}.introduction .text p{font-size:14px;line-height:24px;margin-top:34px}.history{padding-top:63px;padding-bottom:75px;min-width:980px}.history img{width:980px;height:940px;margin-top:67px}.partner{padding-top:72px;padding-bottom:95px}.partner img{width:100%;margin-top:40px}}