body {
    position: relative;
    margin:0 auto;
    /*height: 974px;
    width: 1917px;*/
    font-family: "微软雅黑";
}
div{
    display: block;
}
li{
    list-style: none;
    float: left;
}
#header ul,#footer ul{
    /*margin-top: 20px;*/
}
a{
    text-decoration: none;
    color: #b7b9bf;
}
a:link{
    text-decoration:none;
}
a:visited{
    text-decoration:none;
}
a:hover{
    text-decoration:none;
}
a:active{
    text-decoration:none;
}
/* ---- header 头部logo和右侧导航 ---- */
#header{
    width: 100%;
    height: 180px;
    background: transparent;
}

.header_l,.header_r{
    font-family: "微软雅黑";
    text-align: center;
    color: #b7b9bf;
}
.header_l{
    float: left;
    position: absolute;
    top: 38%;
    left: 5%;
    font-size: 26px;
    width: 20%;
    height: 60px;
    line-height: 60px;
}
.header_l .logo{
    width: 100%;
    height: 100%;
    margin-top: 0;
    margin-bottom: 10px;
    margin-right: 0;
    padding: 0;
}
.logo .logo_img{
    width: 100%;
}
.logo .logo_text{
    width: 50%;
    position: relative;
    left: -24%;
}
.header_r{
    float: right;
    position: absolute;
    top: 45%;
    right: 4%;
    font-size: 18px;
    width: 50%;
    overflow: hidden;
    text-align: center;
}
.text_1,.text_2{
    width: 35%;
}
.text_3,.text_4{
    width: 15%;
}
/*--- 中间背景部分及登录窗口 ---*/
#middle{
    width: 100%;
    height: 544px;
    background:url(../../images/login/supermarket.png) no-repeat 0% 0% / 100% 100%;
    background-size: cover;
    position: absolute;
    padding-left: 0px;
}
#middle .login-container{
    width: 325px;
    height: 450px;
    position: relative;
    right: -70%;
    top: 25%;
}
/*验证码*/
#verifyimg{
    vertical-align: middle;
}
/*验证码和文本框的对齐 */
span,input{
    vertical-align: middle;
}
/*--- 底部 ---*/
#footer{
    width: 100%;
    height: 100px;
    position: relative;
    bottom: -550px;
}
.menu{
    height: 100px;
    width: 70%;
    position: absolute;
    left: 15%;
    font-size: 24px;
}
.menu dl{
    float: left;
    width: 24.6%;
    text-align: center;
    margin-top: 20px;
}
.menu dl:nth-child(1),.menu dl:nth-child(2),.menu dl:nth-child(3){
    border-right: 2px solid #c4c3c7;
}
.menu dl dt{
    height: 70px;
    width: 100%;
    overflow:hidden;
    margin-top:12px;
    margin-bottom: auto;
}
.menu dl dt img{
    vertical-align: middle;
    height: 65px;
}
.menu dl dd{
    width: 100%;
    margin-left:auto;
    margin-top: 10px;
}