body{
    padding: 0;
    margin: 0;
}

.top{
    margin: 25px;
    margin-left: 60px;
    margin-top: 50px;
    width: 1000px;
    height: 180px;
}

.upleft{
    float: left;
    width: 580px;
    font-size: 26px;
    padding-bottom: 10px;
    border-bottom: #0099ff solid 3px;
}

.upright{
    float: left;
    margin-left: 20px;
    width: 200px;
    height: 58px;
}

.downleft{
    float: left;
    width: 580px;
}

.main1{
    margin-left: 60px;
    width: 1000px;
    height: 350px;
}

.title1{
    padding-top: 10px;
    font-size: 20px;
}

.title2{
    font-size: 16px;
}

.psize{
    margin: 8px;
    margin-left: 30px;
    width: 620px;
}

.psize2{
    margin: 5px;
    margin-bottom: 8px;
    margin-left: 30px;
}

.psize3{
    margin: 0px;
    margin-left: 50px;
}

.topstudy{
    margin: 25px;
    margin-left: 60px;
    margin-top: 50px;
    width: 662px;
    font-size: 26px;
    padding-bottom: 10px;
    border-bottom: #0099ff solid 3px;
}

.main2{
    margin-left: 60px;
    width: 655px;
}


.topres{
    margin: 25px;
    margin-left: 60px;
    margin-top: 50px;
    width: 780px;
    font-size: 26px;
    padding-bottom: 10px;
    border-bottom: #0099ff solid 3px;
}

.main3{
    margin-left: 60px;
    width: 780px;
    height: 1600px;
}

.rtitle{
    margin: 8px;
    margin-left: 30px;
    margin-top: 10px;
    width: 750px;
}

.rtitle2{
    padding-top: 10px;
    padding-bottom: 5px;
    font-size: 20px;
}

.rul{
    margin: 5px;
    margin-bottom: 20px;
    margin-left: 5px;
}