main{padding:0;margin:0;box-sizing:border-box;width:100%}main .about-img{width:100%}main .about-img img{max-width:100%;display:block;width:100%;height:auto}main .business{margin:30px auto;box-sizing:border-box}main .business .department-item{text-decoration:none;margin-right:6px;color:#d70c25;cursor:pointer;width:136px;height:143px;border-radius:5px;padding-top:15px;text-align:center;box-sizing:border-box;position:relative}main .business .department-item .dep-icon{font-size:42px}main .business .department-item div{font-size:16px;color:#d70c25}main .business .department-item .san{position:absolute;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);bottom:-8px;width:0;height:0;border-right:8px solid transparent;border-left:8px solid transparent;border-top:8px solid white}main .business .department-item:last-child{margin-right:0}main .business .dep-show{background-color:#d70c25;color:white;transition:all .35s linear}main .business .dep-show div{color:white}main .business .dep-show .san{border-top:8px solid #d70c25}main .business .business-text{margin:20px 0;font-family:MicrosoftYaHei;font-size:16px;line-height:40px;letter-spacing:0px;color:#666666;box-sizing:border-box}main .business .b-join{width:136px;height:46px;text-align:center;background-color:#d70c25;border-radius:5px;font-size:20px;line-height:46px;color:white}main .business .join-box{margin:30px auto}main .business .join-box .join-item{text-decoration:none;width:50%;padding:20px;box-sizing:border-box}main .business .join-box .join-item .join-title{font-size:18px;line-height:30px;letter-spacing:0px;color:#222222;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}main .business .join-box .join-item .join-text{margin-top:20px;height:70px;font-family:MicrosoftYaHei;font-size:14px;line-height:24px;letter-spacing:0px;color:#999999;word-break:break-all;white-space:normal;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;}@media screen and (max-width:750px){.business{margin:15px auto !important}.business .department-list{margin:0 auto !important}.business .department-item{margin-right:20px !important;width:68px !important;height:71.5px !important;border-radius:2.5px !important;padding-top:10px !important}.business .department-item .dep-icon{font-size:21px !important}.business .department-item div{font-size:12px !important;color:#d70c25}.business .department-item .san{display:none !important}.business .department-item:nth-child(4){margin-right:0 !important}.business .department-item:nth-child(8){margin-right:0 !important}.business .b-join{width:100px !important;height:40px !important;border-radius:2.5px !important;font-size:16px !important;line-height:40px !important}.business .join-box{margin:15px auto !important}.business .join-box .join-item{margin-bottom:10px !important;width:100% !important;padding:0 !important;box-sizing:border-box}.business .join-box .join-item .join-title{font-size:18px;line-height:30px;letter-spacing:0px;color:#222222}.business .join-box .join-item .join-text{margin-top:10px !important;font-family:MicrosoftYaHei;font-size:14px;line-height:24px;letter-spacing:0px;color:#999999}}