.top_bg {
    width: 100%;
    height: auto;
    margin-top: 90px;
}
.top_bg img {
    width: 100%;
    height: 100%;
    margin: 0 auto;
}
.MFA_detail img {
    width: 1200px;
    height: 377px;
    margin: 47px auto 98px;
}
.product_advantage_area {
    width: 100%;
    height: 653px;
    position: relative;
}
.product_advantage_bg {
    width: 100%;
    height: 100%;
}
.product_content {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%);
    width: 1200px;
    height: 100%;
}
.product_title {
    width: 111px;
    height: 27px;
    margin-top: 85px;
}
.top_img_area {
    margin-top: 58px;
}
/* **********产品优势区域 选项卡切换 相关的css start********** */
.top_flex {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.tab_item {
    position: relative;
    width: 172px;
    height: 405px;
    transition: all 0.5s;
}
.tab_item.active {
    width: 476px;
    height: 405px;
}
.tab_item img {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
}
.tab_item img.default_img {
    display: block;
}
.tab_item.active img.default_img {
    display: none;
}

.tab_item.active img.hover_img {
    display: inline-block;
}
/* ********** end ********** */
.data_show_area {
    width: 1200px;
    height: 877px;
    margin: 36px auto 33px;
}
.data_show_area img {
    width: 100%;
    height: 100%;
}
.prize_img_area {
    width: 1202px;
    height: 827px;
    margin: 0 auto 100px;
}
.prize_img_area img {
    width: 100%;
    height: 100%;
}
.contrast_img_area {
    width: 100%;
    height: auto;
}
.contrast_img_area img {
    width: 100%;
    height: 100%;
}
.pain_spot {
    width: 1200px;
    height: 485px;
    margin: 75px auto 125px;
}
.pain_spot img {
    width: 100%;
    height: 100%;
}