.about{padding-bottom:50rem;text-align:center}.about h1{font-family:黑体;padding-top:44rem;padding-bottom:47rem;font-size:50rem;font-weight:600}@media (min-width:750px){.about h1{padding-top:79px;padding-bottom:35px;font-size:58px}}.about h1{line-height:1em}.about .nav{font-family:黑体;margin-bottom:51rem;font-size:30rem}@media (min-width:750px){.about .nav{font-size:32px}}.about .nav a{font-weight:600}.about .nav .current{position:relative;--tw-text-opacity:1;color:rgb(220 38 38/var(--tw-text-opacity,1))}.about .nav .current:after{position:absolute;content:"";width:0;height:0;border:15rem solid transparent;border-bottom-color:#000;transform:scaleX(.6);left:0;right:0;bottom:0;margin:auto;-webkit-transform:scaleX(.6);-moz-transform:scaleX(.6);-ms-transform:scaleX(.6);-o-transform:scaleX(.6)}.about .imgs .img{display:block;margin:0 auto;width:100%;max-width:976px}.about .imgs .img img{width:100%}