@media (max-width:600px){.login-box{width:100vw!important}.title{font-size:35px!important}}.title{text-align:center;font-size:40px;font-weight:bolder;width:100%;font-family:宋体,serif}.login-box{background-color:#000;color:#fff;position:fixed;width:600px;height:500px;border-radius:10px;top:20%;bottom:auto;right:auto;left:auto;opacity:.75}#login-context{margin:5%;border-radius:10px;position:relative;top:30px;width:90%}#login_content{margin-top:50px}#login-image{position:fixed;top:0;left:0;right:0;bottom:0;z-index:-99}.row-item{margin-top:18px}.row-item_A{margin-bottom:40px}.res_button{font-size:18px;height:40px;margin-left:20px}.forget_pasw{font-size:16px}.forget_pasw:hover{color:red}.button_container{display:flex;flex-direction:row-reverse}