/* 关于我们   开始 */
.about {
    background: #F7F7F7;
}

.about .com_title {
    text-align: center;
}

.about .desc {
    font-family: SourceHanSansCN-Regular;
    color: #7E7D7D;
    line-height: 26px;
    width: 70%;
    margin: 40px auto;
    text-align: center;
}

.about .more {
    width: 176px;
    height: 48px;
    background: #F7F7F7;
    border: 1px solid #111111;
    position: relative;
    margin: 0 auto;
}

.about .more a {
    font-family: SourceHanSansCN-Regular;
    color: #1F1F1F;
    text-transform: uppercase;
    display: block;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about .more::after {
    content: '';
    position: absolute;
    left: -11px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 1px;
    background: #000000;
}

.about .more::before {
    content: '';
    position: absolute;
    right: -11px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 1px;
    background: #000000;
}

/* 关于我们   结束 */
/* 产品  开始 */
.product .com_title {
    text-align: center;
}

.product .content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 116px;
}

.product a:nth-of-type(1) .content {
    margin-top: 70px;
}

.product .content .img {
    width: 69%;
}

.product .content .rg {
    width: 26%;
}

.product .content .rg .com_title {
    text-align: left;
    margin-bottom: 60px;
}

.product .content .rg .desc {
    width: 71%;
    font-family: SourceHanSansCN-Regular;
    color: #7E7D7D;
    line-height: 18px;
    margin-bottom: 100px;
}

.product a:nth-child(2n+1) .content {
    flex-direction: row-reverse;
}

.product a:nth-child(2n+1) .content .rg {
    padding-left: 50px;
    box-sizing: border-box;
}

.product .product_box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 65px;
    margin-top: 113px;
}

.product .product_box .title {
    font-family: SourceHanSansCN-Regular;
    color: #1F1F1F;
    line-height: 26px;
    margin: 20px 0 13px;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
}

.product .product_box .desc {
    font-family: SourceHanSansCN-Regular;
    color: #7E7D7D;
    line-height: 21px;
}

.product .product_box .img {
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product .product_box .img img {
    transition: all .36s;
}

.product .product_box .one:hover img {
    transform: scale(1.1);
    transition: all .36s;
}

/* 产品  结束 */
/* 新闻  开始 */
.news {
    background: #F7F7F7;
}

.news .com_title {
    text-align: center;
}

.news .new_content {
    margin-top: 70px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 30px;
}

.news .new_content .img {
    position: relative;
    overflow: hidden;
}

.news .new_content .img img {
    transition: all .36s;
}

.news .new_content a:hover .img img {
    transform: scale(1.1);
    transition: all .36s;
}

.news .new_content .img .time {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 58px;
    height: 70px;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}

.news .new_content .img .time .f20 {
    font-family: SourceHanSansCN-Regular;
    color: #666666;
    line-height: 1;
    border-bottom: 1px solid #EEEEEE;
    padding-bottom: 5px;
    margin-bottom: 5px;
}

.news .new_content .img .time p {
    font-family: SourceHanSansCN-Regular;
    color: #666666;
    line-height: 11px;
    text-transform: uppercase;
}

.news .new_content a .bottom {
    padding-top: 40px;
    padding-bottom: 50px;
    transition: all .36s;
}

.news .new_content .title {
    font-family: SourceHanSansCN-Regular;
    color: #1F1F1F;
    line-height: 1.2;
    margin: 0px 0 20px;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
}

.news .new_content .desc {
    font-family: SourceHanSansCN-Regular;
    color: #7E7D7D;
    line-height: 22px;
    margin-bottom: 50px;
}

.news .new_content a:hover .bottom {
    background: #FFFFFF;
    box-shadow: 0px 15px 43px 0px rgba(0, 0, 0, 0.18);
    padding: 40px 30px 50px;
    box-sizing: border-box;
    transition: all .36s;
}

/* 新闻  结束 */
@media (max-width:1680px) {
    .about .more {
        width: 166px;
    }

    .about .desc {
        margin: 35px auto;
    }

    .product .content {
        margin-top: 100px;
    }

    .product .content .rg .com_title {
        margin-bottom: 50px;
    }

    .product .content .img {
        width: 68%;
    }

    .product .content .rg {
        width: 27%;
    }

    .product .content .rg .desc {
        margin-bottom: 90px;
    }

    .product .product_box {
        margin-top: 100px;
        grid-gap: 60px;
    }

    .news .new_content .desc {
        margin-bottom: 45px;
    }
}

@media (max-width:1440px) {
    .about .more {
        width: 156px;
    }

    .about .desc {
        margin: 30px auto;
    }

    .product .content {
        margin-top: 80px;
    }

    .product .content .img {
        width: 64%;
    }

    .product a:nth-child(2n+1) .content .rg {
        padding-left: 40px;
    }

    .product .content .rg {
        width: 31%;
    }

    .product .content .rg .desc {
        margin-bottom: 80px;
    }

    .product .content .rg .com_title {
        margin-bottom: 40px;
    }

    .product .product_box {
        margin-top: 80px;
        grid-gap: 55px;
    }

    .news .new_content,
    .product a:nth-of-type(1) .content {
        margin-top: 60px;
    }

    .news .new_content a:hover .bottom {
        padding: 25px 30px 45px;
    }

    .news .new_content a .bottom {
        padding-top: 30px;
        padding-bottom: 45px;
    }

    .news .new_content .title {
        margin: 0px 0 15px;
    }

    .news .new_content .desc {
        margin-bottom: 40px;
    }
}

@media (max-width:1280px) {
    .about .more {
        width: 150px;
        height: 43px;
    }

    .about .desc {
        margin: 25px auto;
    }

    .product .content {
        margin-top: 60px;
    }

    .product .content .rg .desc {
        margin-bottom: 60px;
    }

    .product .content .rg .com_title {
        margin-bottom: 30px;
    }

    .product .content .rg {
        width: 35%;
    }

    .product .content .img {
        width: 60%;
    }

    .product .product_box {
        margin-top: 60px;
        grid-gap: 50px;
    }

    .product .product_box .title {
        margin: 15px 0 8px;
    }

    .news .new_content a:hover .bottom {
        padding: 20px 25px 40px;
    }

    .news .new_content a .bottom {
        padding-top: 20px;
        padding-bottom: 40px;
    }

    .news .new_content .title {
        margin: 0px 0 10px;
    }

    .news .new_content .desc {
        margin-bottom: 35px;
    }

    .news .new_content,
    .product a:nth-of-type(1) .content {
        margin-top: 50px;
    }
}

@media (max-width:1024px) {
    .about .desc {
        margin: 20px auto;
        width: 100%;
    }

    .about .more {
        width: 140px;
        height: 38px;
    }

    .product .content {
        margin-top: 40px;
    }

    .product .content .rg .com_title {
        margin-bottom: 20px;
    }

    .product .content .rg .desc {
        margin-bottom: 40px;
        width: 100%;
    }

    .product a:nth-child(2n+1) .content .rg {
        padding-left: 0;
    }

    .product .product_box {
        margin-top: 40px;
        grid-gap: 40px;
    }

    .product .product_box .title {
        margin: 10px 0 3px;
    }

    .news .new_content,
    .product a:nth-of-type(1) .content {
        margin-top: 40px;
    }

    .news .new_content .desc {
        margin-bottom: 30px;
    }

    .news .new_content a:hover .bottom {
        padding: 20px 20px 35px;
    }

    .news .new_content a .bottom {
        padding-bottom: 35px;
    }
}

@media (max-width:768px) {
    .product .content {
        margin-top: 30px;
        flex-direction: column;
    }

    .product a:nth-child(2n+1) .content {
        flex-direction: column;
    }

    .product .content .img,
    .product .content .rg {
        width: 100%;
    }

    .product .content .rg {
        margin-top: 20px;
    }

    .product .content .rg .desc {
        margin-bottom: 30px;
    }

    .product .content .rg .desc {
        margin-bottom: 25px;
    }

    .product .content .rg .com_title {
        margin-bottom: 15px;
    }

    .product .product_box {
        margin-top: 30px;
        grid-gap: 30px;
        grid-template-columns: repeat(1, 1fr);
    }

    .news .new_content {
        margin-top: 30px;
        grid-template-columns: repeat(1, 1fr);
    }

    .product a:nth-of-type(1) .content {
        margin-top: 30px;
    }

    .news .new_content a:hover .bottom {
        padding: 20px 0 0;
        background: none;
        box-shadow: none;
    }

    .news .new_content a .bottom {
        padding-bottom: 0px;
    }

    .news .new_content .desc {
        margin-bottom: 25px;
    }
}