.about{width:100%;padding-top:90px}.about-group{display:flex;justify-content:center;width:100%;padding:56px 0 67px}.about-group .group-left{margin-top:6px;width:745px}.about-group .group-left .group-left-title{font-size:24px;font-weight:bold;color:#333;line-height:34px}.about-group .group-left .group-left-text{font-size:14px;font-weight:400;color:#999;line-height:24px;margin-top:40px}.about-group .group-img{width:438px;height:382px;margin-left:20px}.about-focus{width:100%;height:279px;background-repeat:no-repeat;background-size:cover;background-position:center center}.about-detail{display:flex;flex-direction:column;align-items:center;width:100%;padding:56px 0 0}.about-detail .about-item{position:relative;display:flex;width:1200px;height:600px;margin-bottom:100px}.about-detail .about-item .about-item-left{position:absolute;top:120px;left:0;width:690px;height:440px;background-color:#fff;border:1px solid #e8e8e8;box-shadow:0 3px 19px 2px rgba(0,0,0,0.05);padding:70px 0 0 50px;z-index:1}.about-detail .about-item .about-item-left .item-left-top{display:flex;align-items:center}.about-detail .about-item .about-item-left .item-left-top .left-top-arrow{width:24px;height:24px;margin-right:17px}.about-detail .about-item .about-item-left .item-left-top .left-top-title{font-size:24px;font-weight:bold;color:#333;line-height:26px}.about-detail .about-item .about-item-left .item-left-text{font-size:14px;font-weight:400;color:#999;line-height:24px;margin-top:32px}.about-detail .about-item .about-item-img{position:absolute;top:0;right:0;width:600px;height:600px}.about-detail .about-item.two .about-item-left{top:120px;right:0;left:auto;height:410px;padding:30px 0 0 50px}.about-detail .about-item.two .about-item-img{top:0;left:0;right:auto}.about-detail .about-item.three .about-item-left{height:400px;padding:70px 0 0 50px}