@media only screen and (min-width:1921px){ .partb::after,.footer::after{background-size: cover;} } @media only screen and (max-width:1600px){ .search_bg{width: 3rem;} } @media only screen and (max-width:1440px){ .logo img{height: 0.5rem;} } @media only screen and (max-width:1366px){ #nav>li{margin-left: 0.1rem;} } @media only screen and (max-width:1280px){ html{font-size: 90px;} .partb::after{background-size: 100% 100%;} } @media only screen and (max-width:1200px){ } @media only screen and (max-width:1160px){ .logo img{height: 0.44rem;} } @media only screen and (max-width:1100px){ #nav>li{margin-left: 0.05rem;} } @media only screen and (max-width:1080px) and (min-width:981px){ } @media only screen and (max-width:1080px){ .header{z-index: 4;} .header-right{height: auto;} .nav{display: none;} .logo{padding: 0.27rem 0 0.2rem;} .logo img{height: 0.5rem;} .nav-menu{display: block;} .search,.search_bg{display: none;} .banner,.list-banner{margin-top: 0.97rem;} } @media only screen and (max-width:980px){ .main{padding: 0.2rem 0;} .main .w90{flex-wrap: wrap;} .main-left{width: 100%;padding-bottom: 0;margin-bottom: 0.15rem;} .main-right{width: 100%;} .main-left h3,.main-left>ul,.main-title h2{display: none;} .lm-title{display: flex;} .pa-left,.pa-right,.pb-left, .pb-right{width:100%;} .pa-left{margin-bottom: 0.2rem;} .news-scroll ul li .news-txt{padding: 0.2rem 0;} .news-scroll ul li .news-img{height: 0;padding-bottom: 50%;} .pb-left{margin-bottom: 0.3rem;} .parta{padding: 0.3rem 0;} .partb{padding: 0.3rem 0;background: url(../img/partb_bg.jpg) no-repeat center top;background-size: cover;} .partb::after{content: none;} .pbrbox .item .news-img a{height: 0;padding-bottom: 60%;} .partc{padding: 0.4rem 0 0.5rem;} } @media only screen and (max-width:880px){ .ft_logo{width: 100%;text-align: center;margin-bottom: 0.2rem;} .copyright{width: 100%;text-align: center;} .footer::after{content: none;} .footer{padding: 0.5rem 0 0.2rem;background: url(../img/footer_bg.png) no-repeat center top;background-size: cover;} .partc{padding: 0.4rem 0 0.2rem;} .partc::after{bottom: -0.4rem;} } @media only screen and (max-width:780px){ .teacher-list ul li{width: 25%;} } @media only screen and (max-width:780px){ .teacher-list ul li{width: 25%;} .pc3-left,.pc3-right{width: 100%;} .pc3-left{margin-bottom: 0.3rem;} } @media only screen and (max-width:680px){ .logo img{height: 0.4rem;} .navm-box{padding: 0.97rem 0 0.2rem;} .banner,.list-banner{margin-top: 0.87rem;} .navm-box{width: 60%;} .banner .swiper-pagination{bottom: 0.1rem;} .pc2 ul li{width: 100%;} .pc2 ul li:first-of-type{margin-bottom: 0.2rem;} } @media only screen and (max-width:660px){ .xueshu-list ul li h3{height: 0.26rem;display: block;white-space: nowrap;} } @media only screen and (max-width:620px){ .pic-list ul li{width: 50%;} .teacher-list ul li{width: calc( 100% / 3 );} } @media only screen and (max-width:560px){ .content h3.title{font-size: 0.2rem;} .content .sub-title{font-size: 0.18rem;} } @media only screen and (max-width:520px){ .titlist ul li{width:100%;} } @media only screen and (max-width:480px){ .navm-box{width: 100%;} .partc{padding: 0.3rem 0 0.2rem;} .pc1,.pc2,.pc3,.pc4{margin-bottom: 0.3rem;} } @media only screen and (max-width:440px){ .logo img{height: 0.3rem;} .nav-menu{width: 0.3rem;height: 0.24rem;} .navm-box{padding: 0.87rem 0 0.2rem;} .banner,.list-banner{margin-top: 0.77rem;} } @media only screen and (max-width:420px){ .pic-list ul li{width: 100%;} .teacher-list ul li{width: 50%;} .ft_logo img{height: 0.6rem;} .pbrbox .item{width: 100%;} .pbrbox .item:first-of-type{margin-bottom: 0.2rem;} } @media only screen and (max-width:360px){ .titlist .tit h3{font-size:0.18rem;} }