@-webkit-keyframes bottom1{0%,100%{bottom:40px}50%{bottom:15px}}@-moz-keyframes bottom1{0%,100%{bottom:40px}50%{bottom:15px}}@-o-keyframes bottom1{0%,100%{bottom:40px}50%{bottom:15px}}@keyframes bottom1{0%,100%{bottom:40px}50%{bottom:15px}}.msg_box{text-align:center}.msg_box h1{padding-bottom:40px;position:relative}.msg_box h1::after{display:block;content:"";position:absolute;left:50%;bottom:20px;width:55px;height:4px;background:#f5c706;transform:translateX(-50%);-webkit-transform:translateX(-50%);-moz-transform:translateX(-50%);-ms-transform:translateX(-50%);-o-transform:translateX(-50%)}.msg_box p{font-size:16px;color:#393939;line-height:22px}.about_img_list{padding:25px 0}.about_img_list li{width:286px;height:164px}.quality_box{margin-top:50px;width:100%;height:650px;background:url("../images/index/quality_bg.png") no-repeat top center}.quality_box .title_box h1,.quality_box .title_box h3{color:#fff}.quality_box .title_box h3::before,.quality_box .title_box h3::after{background:#fff}.quality_list{background:#fff;-moz-box-shadow:2px 2px 5px rgba(0,0,0,0.15),-2px 2px 5px rgba(0,0,0,0.15);-webkit-box-shadow:2px 2px 5px rgba(0,0,0,0.15),-2px 2px 5px rgba(0,0,0,0.15);box-shadow:2px 2px 5px rgba(0,0,0,0.15),-2px 2px 5px rgba(0,0,0,0.15)}.quality_list li{width:25%;box-sizing:border-box;padding:40px;position:relative}.quality_list li .img_box{width:100%}.quality_list li p{margin:35px 0 25px;font-size:16px;color:#555555;height:100px;line-height:20px;word-wrap:break-word;word-break:break-all}.quality_list li:not(:last-child)::before{display:block;content:"";background:#ebebeb;width:1px;position:absolute;top:40px;right:0;bottom:40px}.quality_list li:hover span{-webkit-transform-origin:center center;transform-origin:center center;transform:rotate(360deg);-moz-transform:rotate(360deg);-webkit-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg)}.quality_list li:hover .quality_icon_1{background:#f5c706 url("../images/index/quality_active_icon_1.png") no-repeat center center}.quality_list li:hover .quality_icon_2{background:#f5c706 url("../images/index/quality_active_icon_2.png") no-repeat center center}.quality_list li:hover .quality_icon_3{background:#f5c706 url("../images/index/quality_active_icon_3.png") no-repeat center center}.quality_list li:hover .quality_icon_4{background:#f5c706 url("../images/index/quality_active_icon_4.png") no-repeat center center}.quality_head span{width:90px;height:90px;margin-right:10px;transition:transform 0.5s linear;border-radius:100%;-webkit-border-radius:100%;-moz-border-radius:100%}.quality_head h2{font-size:24px;color:#555555}.quality_icon_1{background:#e5e5e5 url("../images/index/quality_icon_1.png") no-repeat center center}.quality_icon_2{background:#e5e5e5 url("../images/index/quality_icon_2.png") no-repeat center center}.quality_icon_3{background:#e5e5e5 url("../images/index/quality_icon_3.png") no-repeat center center}.quality_icon_4{background:#e5e5e5 url("../images/index/quality_icon_4.png") no-repeat center center}.page_banner{background:url("../images/banner/about_banner.jpg") no-repeat center center}