.bg{
              min-width:1200px;
            width: 100%;
            background:url(../images/longin.png) ;
        }
        .center{
            background-color: #fff;
            margin:0 auto;
             min-width:1200px;
             width:1200px;
        }
        .content{
            min-width:1200px;
             padding-top:200px;
             text-align: center;

        }
        .content .logo{
            margin-bottom:40px;
        }

        .content .logo>i{
            display: inline-block;
            width: 340px;
            height:67px;
            background:url(../images/spring.png) -105px -15px no-repeat;
             vertical-align:middle;
        }
        .center .middle>div>span{
                display: inline-block;
               position: fixed;
               color: #fff;
               height: 60px;
               line-height: 60px;
               padding-left: 30px;
        }
        .content b{
            display: inline-block;
            height:67px;
            border:solid 2px #E50011;
               margin: 0 26px;
             vertical-align:middle;

        }
        .content span{
            display: inline-block;
            height:67px;
           line-height:67px;
           vertical-align:middle;
           font-size:26px;
           color:#E50011;
        }
        .middle{
             min-width:1200px;
             height:400px;
             background:url(../images/center.png) no-repeat;
                 padding: 60px 0;
        }
        .middle input,.middle button{

                height: 60px;
                border-radius:8px;
                 font-size: 26px;
        }
        .middle input{
             width: 400px;
            padding-left:80px;
        }
        .middle button{
            width:480px;
          background: #E50011;
         color: #fff;
        cursor:pointer;
         margin-top: 30px;

        }
        .middle>div{
            margin:8px 0 0 0;
            position:relative;
        }
        .middle i{
            position:absolute;
            display:inline-block;
            width: 36px;
            height:36px;
           margin-left: 10px;

        }
        .icon-name{
            background:url(../images/spring.png) -33px -15px no-repeat;
            top: 10px;
            left:365px;
        }
        .icon-passw{
            background:url(../images/spring.png) -35px -69px no-repeat;
            top: 10px;
            left:365px;

        }