@media only screen and (max-width:768px){.mainbox{width:90%!important}.part-title{font-size:20px!important;margin-bottom:5px!important}.part-info{font-size:12px!important;margin-bottom:30px!important}.solutionpart1-title{font-size:28px!important}.solutionpart1-info{font-size:14px!important}.solutionpart1{height:180px!important;padding-top:10px!important}}.solutionpart1m{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(14,20,32,.6)}.solutionpart1{height:460px;padding-top:145px;color:#fff;text-align:center;position:relative}.solutionpart1-title{font-size:48px;font-weight:700}.solutionpart1-info,.solutionpart1-title{margin-bottom:20px;position:relative;z-index:1}.solutionpart1-info{font-size:30px}body{padding:0;margin:0;color:#090f19}.mainbox{width:1200px;margin:0 auto}*{box-sizing:border-box;font-family:PingFang-SC;cursor:default}a{text-decoration:none}.part-title{font-size:30px;margin-bottom:10px;text-align:center}.part-info{color:#999;font-size:16px;text-align:center;margin-bottom:40px}