.star_wrap,
.star_banner {
    width: 100%;
}

.star_content {
    width: 1002px;
    margin: 0 auto;
    margin-top: 47px;
}

.star_introduction,
.star_content_center,
.star_content_bottom {
    overflow: hidden;
}

.star_introduction {
    width: 1002px;
    margin-bottom: 19px;
}

.star_content_center {
    margin-bottom: 20px;
}

.star_focus,
.star_harvest,
.star_report {
    background-color: #f7f7f7;
}

.star_focus,
.star_harvest {
    height: 234px;
}

.star_focus,
.star_report {
    float: left;
    width: 490px;
}

.star_harvest,
.star_classify {
    float: right;
    width: 494px;
}

.star_content_bottom {
    margin-bottom: 50px;
}

.star_report,
.star_classify {
    height: 232px;
}

 .center_3 {width: 100%; height: auto;}
 .center_3 .center_pic {height: auto; width: 100%;}
.