.banner {
    position: relative;
}

.banner .banner_content {
    position: relative;
    margin-top: 110px;
}

.banner img {
    height: calc(100vh - 110px);
}

.banner .banner_content .banner_po {
    position: absolute;
    width: 90%;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.banner .banner_content .banner_po h2 {
    font-size: 60px;
    font-family: Helvetica;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 80px;
    text-shadow: 0px 3px 54px rgba(0, 0, 0, 0.14);
}



.banner .swiper-pagination {
    bottom: 30px !important;
}

.banner .swiper-pagination-bullet {
    opacity: 0.5;
    width: 10px;
    height: 10px;
    background: #ffffff;
}


.but {
    padding: 0 65px 20px 0;
    border-bottom: 1px solid #000000;
    font-size: 18px;
    font-family: Arial;
    font-weight: 400;
    color: #222222;
    background: url(../images/welcome/black-arr.png) no-repeat top 6px right;
    background-size: 15px 16px !important;
}

.welcome_name {
    width: 100%;
    text-align: left;
    font-size: 40px;
    font-family: Helvetica;
    font-weight: bold;
    color: #000000;
    line-height: 1;
    padding-bottom: 35px;
    border-bottom: 1px solid rgb(221, 221, 221, 0.5);
}




.banner .swiper-pagination-bullet-active {
    width: 41px;
    height: 10px;
    background: #FFFFFF;
    border-radius: 5px;
    opacity: 1;
}


.welcome_top {
    background: #F4F4F4;
    padding-bottom: 80px;
    position: relative;
    width: 100%;
}

.welcome_top .top_po {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 495px;
    background: #FFFFFF;
}

.welcome_top .top_earth {
    display: flex;
    position: relative;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.welcome_top .top_earth img {
    width: 437px;
}

.welcome_top .top_earth h2 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    font-family: Helvetica-Bold;
    font-weight: bold;
    color: #000000;
    line-height: 60px;
    width: 100%;
    text-align: center;
}

.welcome_top .top_row {
    display: flex;
    flex-direction: row;
    width: 100%;
    justify-content: space-between;
    align-items: flex-end;
}

.welcome_top .top_row .pic {
    width: 48%;
    position: relative;
}

.welcome_top .top_row .pic .pic_name {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    padding: 0 40px;
}

.welcome_top .top_row .pic .pic_name h2 {
    font-size: 24px;
    font-family: Helvetica;
    font-weight: bold;
    color: #000000;
    line-height: 60px;
}

.welcome_top .top_row .pic .pic_name p {
    font-size: 16px;
    font-family: Arial;
    font-weight: bold;
    color: #191F2E;
    line-height: 25px;
}

.welcome_top .top_row .row_right {
    width: 49%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.welcome_top .top_row .row_right p {
    font-size: 16px;
    font-family: Arial;
    font-weight: 400;
    color: #191F2E;
    line-height: 30px;
    margin-bottom: 30px;
    text-align: justify;
}



.welcome_product {
    padding-top: 60px;
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    background: url(../images/welcome/index-pro-bg.jpg) no-repeat bottom;
    background-size: cover;
}


.welcome_product .welcome_name {
    text-align: center;
    color: #ffffff;
    border-bottom: 1px solid rgb(221, 221, 221, 0.2);
}

.welcome_product .product_wrap {
    width: 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.welcome_product .product_wrap .product_min {
    width: calc(100%/3);
    display: flex;
    flex-direction: column;
    position: relative;
    align-items: center;
    transition: .5s;
}

.welcome_product .product_wrap .product_min .wrap_content {
    min-height: 810px;
    padding: 80px 25px 25px;
    position: relative;
    z-index: 9;
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    transition: .5s;
}

.welcome_product .product_wrap .product_min.active .wrap_content {

    background: rgb(25, 31, 46, 0.9);
}

.welcome_product .product_wrap .product_min .pic {
    width: 85px;
    margin-bottom: 40px;
    height: 90px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.welcome_product .product_wrap .product_min .min_name {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 50px;
}

.welcome_product .product_wrap .product_min .min_name h2 {
    font-size: 32px;
    font-family: Helvetica;
    font-weight: bold;
    color: #FFFFFF;
    text-align: center;
    margin-bottom: 20px;
}

.welcome_product .product_wrap .product_min .min_name h5 {
    font-size: 16px;
    font-family: Arial;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 30px;
    text-align: center;
}

.welcome_product .product_wrap .product_min ul {
    display: none;
}

.welcome_product .product_wrap .product_min ul li {
    padding: 10px 30px;
    border-top: 1px solid rgb(255, 255, 255, 0.5);
}

.welcome_product .product_wrap .product_min ul li a {
    width: 100%;
    text-align: center;
    font-size: 16px;
    font-family: Arial;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 30px;
}

.welcome_product .product_wrap .product_min ul li:last-child {
    border-bottom: 1px solid rgb(255, 255, 255, 0.5);
}

.welcome_product .product_wrap .product_min .product_but {
    margin-top: 70px;
    height: 60px;
    line-height: 60px;
    background: #2E76DE url(../images/welcome/white-arr.png) no-repeat right 30px center;
    box-shadow: 6px 8px 24px 0px rgba(26, 113, 235, 0.16);
    border-radius: 30px;
    padding: 0 80px 0 34px;
    background-size: 15px 16px !important;
    font-size: 18px;
    font-family: Arial;
    font-weight: 400;
    color: #FFFFFF;
    transition: .5s;
}

.welcome_product .product_wrap .product_min.active .product_but {
    background: #FFFFFF url(../images/welcome/black-arr.png) no-repeat right 30px center;
    color: #000000;
}


.welcome_product .product_wrap .product_min .min_po1 {
    position: absolute;
    left: -153px;
    bottom: 70px;
    width: 775px;
    opacity: 0;
}

.welcome_product .product_wrap .product_min .min_po2 {
    position: absolute;
    left: -153px;
    bottom: 120px;
    width: 664px;
    opacity: 0;
}

.welcome_product .product_wrap .product_min .min_po3 {
    position: absolute;
    left: -100px;
    bottom: 155px;
    width: 636px;
    opacity: 0;
}





.hot_products {
    padding: 70px 0 50px;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.hot_products .hot_swiper {
    margin-top: 35px;
    position: relative;
    width: 100%;
    padding-bottom: 60px;
}

.hot_products .hot_swiper .hot_content {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.hot_products .hot_swiper .hot_content .pic {
    height: 250px;
    padding: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    overflow: hidden;
}


.hot_products .hot_swiper .hot_content .pic img {
    width: auto;
    max-height: 220px;
    transition: .5s;
}

.hot_products .hot_swiper .hot_content:hover .pic img {
    transform: scale(1.05);
    -moz-transform: scale(1.05);
    -webkit-transform: scale(1.05);
}


.hot_products .hot_swiper .hot_content h2 {
    font-size: 24px;
    font-family: Helvetica;
    font-weight: bold;
    color: #000000;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    margin-bottom: 5px;
}


.hot_products .hot_swiper .hot_content p {
    font-size: 16px;
    font-family: Arial;
    font-weight: 400;
    color: #222222;
    line-height: 30px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
    text-align: justify;
}



.news_information {
    padding: 50px 0 80px;
    position: relative;
    width: 100%;
    background: #F4F4F4;
}

.news_information .news_content {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
}

.news_information .news_content .news_wrap {
    margin-top: 60px;
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    justify-content: flex-start;
}

.news_information .news_content .news_wrap .news_min {
    width: calc((100% - 150px)/3);
    margin-right: 75px;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    background: #FFFFFF;
    transition: .5s;
    position: relative;
}

.news_information .news_content .news_wrap .news_min:hover {
    box-shadow: 0px 2px 34px 4px #EAEDF2;
}

.news_information .news_content .news_wrap .news_min:nth-of-type(3n) {
    margin-right: 0;
}

.news_information .news_content .news_wrap .news_min .pic {
    width: 100%;
    overflow: hidden;
}

.news_information .news_content .news_wrap .news_min .pic img {
    transition: .5s;
    width: 100%;
}

.news_information .news_content .news_wrap .news_min:hover .pic img {
    transform: scale(1.05);
    -moz-transform: scale(1.05);
    -webkit-transform: scale(1.05);
}

.news_information .news_content .news_wrap .news_min .news_name {
    padding: 60px 30px 80px;
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.news_information .news_content .news_wrap .news_min .news_name h2 {
    font-size: 24px;
    font-family: Helvetica;
    font-weight: bold;
    color: #000000;
    line-height: 45px;
    height: 135px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.news_information .news_content .news_wrap .news_min .news_name p {
    margin-top: 60px;
    font-size: 18px;
    font-family: Arial;
    font-weight: 400;
    color: #999999;
    line-height: 25px;
    padding-left: 30px;
    background-size: 20px 21px !important;
    background: url(../images/welcome/index-17.png) no-repeat left center;
}

.news_information .news_content .news_wrap .news_min .news_po {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 79px;
    height: 72px;
    background: #2E76DE;
    box-shadow: -7px 7px 24px 0px rgba(26, 113, 235, 0.16);
    border-radius: 20px 0px 0px 0px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: .5s;
}

.news_information .news_content .news_wrap .news_min .news_po img {
    width: 15px;
}

.news_information .news_content .news_wrap .news_min:hover .news_po {
    opacity: 1;
}














@media (max-width: 1600px) {
    .banner .banner_content .banner_po h2 {
        font-size: 52px;
        line-height: 72px;
    }


}

@media (max-width: 1440px) {
    .banner .banner_content .banner_po h2 {
        font-size: 46px;
        line-height: 65px;
    }

    .welcome_top .top_earth h2 {
        font-size: 35px;
    }

    .welcome_top .top_row .pic .pic_name {
        bottom: 10px;
    }

    .welcome_top .top_row .pic .pic_name h2 {
        font-size: 20px;
        line-height: 42px;
    }

    .welcome_top .top_row .pic .pic_name p {
        font-size: 14px;
        line-height: 21px;
    }

    .welcome_top .top_row .row_right p {
        font-size: 14px;
        line-height: 26px;
        margin-bottom: 25px;
    }

    .but {
        padding: 0 55px 15px 0;
        font-size: 16px;
        background-size: 11px 12px !important;
    }

    .welcome_name {
        font-size: 35px;
        padding-bottom: 30px;
    }

    .welcome_product .product_wrap .product_min .pic {
        width: 75px;
        margin-bottom: 30px;
        height: 80px;
    }

    .welcome_product .product_wrap .product_min .min_name h2 {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .welcome_product .product_wrap .product_min .min_name h5,
    .welcome_product .product_wrap .product_min ul li a,
    .hot_products .hot_swiper .hot_content p {
        font-size: 15px;
        line-height: 25px;
    }

    .welcome_product .product_wrap .product_min .min_name {
        margin-bottom: 40px;
    }

    .welcome_product .product_wrap .product_min ul li {
        padding: 10px 20px;
    }

    .welcome_product .product_wrap .product_min .product_but {
        margin-top: 60px;
        height: 50px;
        line-height: 50px;
        padding: 0 70px 0 24px;
        background-size: 11px 12px !important;
        font-size: 16px;
    }

    .welcome_product .product_wrap .product_min .min_po1 {
        width: 575px;
    }

    .welcome_product .product_wrap .product_min .min_po2 {
        width: 564px;
    }

    .welcome_product .product_wrap .product_min .min_po3 {
        width: 536px;
    }

    .welcome_product .product_wrap .product_min .wrap_content {
        min-height: 710px;
        padding: 50px 25px 25px;
    }

    .hot_products .hot_swiper .hot_content h2 {
        font-size: 20px;
    }

    .news_information .news_content .news_wrap .news_min .news_name {
        padding: 50px 30px 70px;
    }

    .news_information .news_content .news_wrap .news_min .news_name h2 {
        font-size: 20px;
        line-height: 40px;
        height: 120px;
    }

    .news_information .news_content .news_wrap .news_min .news_name p {
        margin-top: 40px;
        font-size: 16px;
        line-height: 20px;
        padding-left: 26px;
        background-size: 15px 16px !important;
    }

    .news_information .news_content .news_wrap .news_min .news_po {
        width: 64px;
        height: 57px;
    }

    .news_information .news_content .news_wrap .news_min .news_po img {
        width: 12px;
    }
}




@media (max-width: 1279px) {
    .banner img {
        height: auto;
    }

    .banner {
        margin-top: 80px;
    }

    .banner .banner_content {
        margin-top: 0;
    }

    .banner .banner_content .banner_po h2 {
        font-size: 30px;
        line-height: 45px;
    }

    .banner .swiper-pagination {
        bottom: 15px !important;
    }

    .banner .swiper-pagination-bullet {
        width: 8px;
        height: 8px;
    }

    .banner .swiper-pagination-bullet-active {
        width: 31px;
        height: 8px;
    }

    .welcome_top .top_earth img {
        width: 350px;
    }

    .welcome_top .top_earth h2 {
        font-size: 25px;
        line-height: 40px;
    }

    .welcome_top .top_row {
        flex-direction: column;
    }

    .welcome_top .top_row .pic {
        width: 100%;
    }

    .welcome_top .top_row .row_right {
        margin-top: 40px;
        width: 100%;
    }

    .welcome_top {
        padding-bottom: 60px;
    }

    .welcome_top .top_po {
        height: 390px;
    }

    .welcome_product {
        padding-top: 40px;
    }

    .welcome_name {
        font-size: 30px;
        padding-bottom: 25px;
    }

    .welcome_product .product_wrap .product_min {
        width: 100%;
    }

    .welcome_product .product_wrap .product_min .min_po1,
    .welcome_product .product_wrap .product_min .min_po2,
    .welcome_product .product_wrap .product_min .min_po3 {
        display: none !important;
    }

    .welcome_product .product_wrap .product_min .wrap_content {
        min-height: auto;
    }

    .hot_products {
        padding: 40px 0 30px;
    }

    .news_information {
        padding: 50px 0 60px;
    }

    .news_information .news_content .news_wrap {
        margin-top: 40px;
    }

    .news_information .news_content .news_wrap .news_min {
        width: calc((100% - 45px)/2);
        margin-right: 45px;
        margin-bottom: 40px;
    }

    .news_information .news_content .news_wrap .news_min:nth-of-type(3n) {
        margin-right: 45px;
    }

    .news_information .news_content .news_wrap .news_min:nth-of-type(2n) {
        margin-right: 0;
    }
}


@media (max-width: 600px) {
    .banner {
        margin-top: 64px;
    }

    .banner .banner_content .banner_po h2 {
        font-size: 20px;
        line-height: 26px;
    }

    .welcome_top .top_earth img {
        width: 70%;
    }

    .welcome_top .top_earth h2 {
        font-size: 18px;
        line-height: 30px;
    }

    .welcome_top .top_row .pic .pic_name h2 {
        font-size: 16px;
        line-height: 30px;
    }

    .welcome_top .top_row .pic .pic_name {
        padding: 0 20px;
    }

    .welcome_top .top_row .pic .pic_name p {
        font-size: 12px;
        line-height: 18px;
    }

    .welcome_top .top_row .row_right {
        margin-top: 25px;
    }

    .welcome_top .top_row .row_right p {
        font-size: 13px;
        line-height: 24px;
        margin-bottom: 18px;
    }

    .welcome_top {
        padding-bottom: 40px;
    }

    .welcome_name {
        font-size: 24px;
        padding-bottom: 18px;
    }

    .welcome_product .product_wrap .product_min .wrap_content {
        padding: 30px 20px 20px;
    }

    .welcome_product .product_wrap .product_min .pic {
        width: 60px;
        margin-bottom: 20px;
        height: 70px;
    }

    .welcome_product .product_wrap .product_min .min_name h2 {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .welcome_product .product_wrap .product_min .min_name h5,
    .welcome_product .product_wrap .product_min ul li a,
    .hot_products .hot_swiper .hot_content p {
        font-size: 13px;
        line-height: 22px;
    }

    .welcome_product .product_wrap .product_min .min_name {
        margin-bottom: 30px;
    }

    .welcome_product .product_wrap .product_min .product_but {
        margin-top: 50px;
        height: 45px;
        line-height: 45px;
        padding: 0 60px 0 24px;
        background: #2E76DE url(../images/welcome/white-arr.png) no-repeat right 20px center;
        background-size: 11px 12px !important;
        font-size: 14px;
    }

    .welcome_product .product_wrap .product_min.active .product_but {
        background: #FFFFFF url(../images/welcome/black-arr.png) no-repeat right 20px center;
    }

    .news_information {
        padding: 40px 0 50px;
    }

    .news_information .news_content .news_wrap {
        margin-top: 30px;
    }

    .news_information .news_content .news_wrap .news_min {
        width: 100%;
        margin-right: 0 !important;
        margin-bottom: 30px;
    }

    .news_information .news_content .news_wrap .news_min .news_name {
        padding: 40px 30px 60px;
    }

    .news_information .news_content .news_wrap .news_min .news_name h2 {
        font-size: 18px;
        line-height: 35px;
        height: 95px;
    }

    .news_information .news_content .news_wrap .news_min .news_name p {
        margin-top: 30px;
        font-size: 15px;
    }

    .banner .swiper-pagination {
        bottom: 10px !important;
    }
}