.about_us{
    width: 100%;
    height: 400px;
    opacity: 1;
    background: rgba(255, 255, 255, 1);
    background: url("../images/aboutUs.png"),no-repeat;
    background-position: center;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
}
.about_us .us_left{
    width: 900px;
    font-size: 18px;
    margin-bottom: 15px;
}

.product_introduction{
    width: 100%;
    height: 400px;
    opacity: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
}
.product_introduction .product_introduction_l{
    margin-left: 45px;
}
.product_introduction .introduction_right{
    width: 532px;
    font-size: 18px;
    margin-left: 100px;
}
.product_introduction .introduction_right .introduction_right_centent{
    margin-top: 30px;
    display: flex;
    /* justify-content: space-between; */
}

.business{
    width: 100%;
    height: 400px;
    text-align: center;
    padding-top: 35px;
}
.our_news{
    width: 100%;
    height: 400px;
    padding-top: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

 
.news_b{
    width: 1010px;
    display: flex;
    justify-content: center;
    padding-left: 45px;
}
.news_b .news_title{
    margin-right: 44px;
    width: 198px;
    height: 200px;
    opacity: 1;
    border-radius: 10px;
    background: rgba(255, 255, 255, 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.news_b .news_title .title_top{
    display: flex;
    margin-bottom: 5px;
}
.news_b .news_title .title_top .news-times{
    width: 54px;
    height: 70px;
    border-right: 0.8px solid rgba(156, 156, 156, 1);
    margin-right: 10px;
    padding-top: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.news_b .news_title .title_top .news-times .text-middle{
    font-size:5px;
}
.news_b .news_title .title_top .ishover{
    font-size: 10px !important;
    color: #000;
    display: block;
    line-height: 12px;
    margin-bottom: 10px;
}
.news_b .news_title .title_top .ishover:hover  {
    color: #F18B46;
}
.news_b .news_title .title_top .img-new:hover ~ .ishover{
    color: #F18B46;
}
.news_b .news_title .img-new{
    width: 165px;
    height: 90px;
}

.bg-main{
    height: 400px;
}