body{
    margin:0;
    padding:0;
    text-align:center;
    background-color:#F8F8F8;
}
#top{
    height:35px;
    background-color: #2C2C2C;
    font-size:12px;
    color:#FFFFFF;
    margin-left:auto;
    margin-right:auto;
    text-align:center;
}
#topa{
    width:1000px;
    height:35px;
    margin-left:auto;
    margin-right:auto;
    text-align:center;
}
#topa .left{
    line-height: 35px;
    height:35px;
    float:left;
}
#topa .right{
    line-height: 35px;
    height:35px;
    float:right;
}
#topa a{
    text-decoration: none;
    color: #EFEFEF;
    font-size:12px;
    padding-left:15px;
    padding-right:15px;
}
#menu{
    height:65px;
    width:1000px;
    margin-left:auto;
    margin-right:auto;
    background-color:#FFFFFF;

}

#menu .left{
    float:left;
    width:350px;
    height:65px;
}

#menu .right{
    float:right;
    width:500px;
    height:65px;
    line-height: 100px;

}

#menu .right a{
    font-weight:bold;
    font-size:16px;
    padding-right:50px;
    color: #707070;
    text-decoration:none;
}
#menu .right a:hover{
    color: red;
}

#main{
    height:400px;
    margin-left:auto;
    margin-right:auto;
    text-align:center;
    background-color: #77A7E5;
    background-image:url("../images/by.jpg");
}
#maina{
    width:1000px;
    height:400px;
    margin-left:auto;
    margin-right:auto;
    text-align:center;
}
#maina .left{
    height:400px;
    width:550px;
    float:left;
}
#maina .right{
    margin-top:30px;
    height:330px;
    width:300px;
    float:right;
    background-color:#E9EEF8;
}
#maina .right_a{
    font-weight:bold;
    text-align:left;
    line-height: 80px;
    color:#484848;
    padding-left:25px;
    width:300px;
    height:80px;
}
#maina .login{
    padding-left:25px;
    text-align:left;

}
#maina .login a{
    font-size:12px;
    color:#0078B6;
    text-decoration: none;
}

#js{
    margin-top:50px;
    width:1000px;
    height:100px;
    margin-left:auto;
    margin-right:auto;
    text-align:center;
}
#js .left{
    line-height: 27px;
    font-size:14px;
    width:332px;
    float:left;
    height:100px;
    text-align:left;
    color: #4C4C4C;
}

#bottom{
    margin-top:50px;
    width:1000px;
    height:120px;
    margin-left:auto;
    margin-right:auto;
    text-align:center;
}

#bottom a{
    text-decoration:none;
    color: #4C4C4C;
    font-size:14px;
}