@media(min-width:1025px){.procate-list li{width: calc(33% - 30px);}}
.about{padding:3% 0;}
.home-tit,.about .about-r-tit{color:var(--fontcolor);position:relative;padding-bottom:15px;}
.home-tit:after,.about .about-r-tit:after{content:'';width:50px;height:3px;display:block;background: var(--color);position:absolute;bottom:0;left:50%;transform: translateX(-50%);}