body{
    margin: 0;
    padding: 0;
    font-family: Microsoft YaHei;
    position: relative;
}
.top{
    width:100%;
    height: 60px;
    background-color: #333;
    position: relative;
}
.logo{
    height:50px;
    position: absolute;
    left: 30px;
    top: 5px;
}
.link{
    position: absolute;
    top: 5px;
    right: 20px;
}
.link li{
    float: left;
    margin-left: 22px;
}
.link a{
    font-size: 80%;
    text-decoration: none;
    color: white;
    padding-left: 4px;
}
.middle{
    position:absolute;
    background-color: #DEDEDE;
    margin-right: 440px;
    padding: 0 20px;
}
.main1{
    position: relative;
    background-color: white;
    margin: 20px 0;
    padding: 20px;
    border-bottom: 2px solid gray;
    border-right: 2px solid gray;
}
.details{
    color: gray;
    font-size: 70%;
}
.main2{
    width: 380px;
    position: relative;
    float: right;
    background-color: white;
    border-bottom: 2px solid gray;
    border-right: 2px solid gray;
    margin-top: 20px;
    margin-right: 20px;
    margin-bottom: 20px;
    padding: 20px 20px;
}
.x li{
    list-style: none;
}
.img{
    background-color: white;
    border-bottom: 2px solid gray;
    border-right: 2px solid gray;
    margin: 20px 20px;
    padding: 20px 20px;
}
.goodImg{
    position: relative;
    border: 1px solid #DEDEDE;
    margin:20px;
    text-align: center;
    width: 13%;
    height: 15%;
}
.goodImg p{
    font-size: 70%;
}
.goodImg img{
    width:85%;
    height:75%;
}
.main1 table{
    width: 100%;
    border-collapse: collapse;
}
.main1 th{
    background-color: #333333;
    color: white;
}
.td4{
    background-color: gray;
    color: black;
}
.main2 h2{
    border-left: 3px solid #DEDEDE;
    font-size: 90%;
}
button{
    width: 100%;
    height:40px;
    background-color:#3355D0;
    border-radius:1em;
    color: white;
}
.footer{
    position:relative;
    width:100%;
    height: 80px;
    background-color:black;
    color: white;
    font-size: 70%;
}
.footer p{
    position: absolute;
    top: 10px;
    left: 46%;
}
form p{
    font-size: 70%;
    color: gray;
}
.left{
    position: absolute;
    right:55%;
    font-size: 80%;
}
.ID{
    margin-left: 180px;
}
.xx{
    position: relative;
    width: 100%;
    height: 3540px;
    background-color: #DEDEDE;
}