@media only screen and (max-width:1240px){.main .intro .intro-title{font-size:36px}}@media only screen and (max-width:900px){.main:before{content:none}.main .container{display:block;padding:12px 12px 60px}.main .intro{margin:-12px -12px 0;width:100vw;padding:12px 12px 22px;background-color:#272727;border-radius:0 0 0 20px}.main .intro .logo{font-size:12px}.main .intro .logo img{margin-right:6px;width:24px;height:24px}.main .intro .intro-title{margin-top:6px;margin-bottom:0;font-size:24px;line-height:36px}.main .intro .intro-desc{padding:0;margin:0;font-size:12px;line-height:18px}.main .section-4-right{padding:0;margin-top:24px;border:none;width:100%;min-width:auto;min-height:auto;background-color:transparent}.main .section-4-right .form-item{display:block;margin-bottom:12px}.main .section-4-right .form-item .form-item-label{padding:0;margin-bottom:6px}.main .section-4-right .form-button{margin-top:18px;width:auto;height:40px;line-height:40px;font-size:12px}}