.banner-bg {
    background: linear-gradient(90deg, rgba(245, 250, 255, 1) 0%, rgba(235, 244, 255, 1) 100%);
}

.banner {
    display: flex;
    width: 1440px;
    margin: 0 auto;
    padding: 50px 0;
}

.banner_left {
    flex: 1;
    color: #fff;
}


.left_titl {
    font-size: 26px;
    font-weight: 700;
    margin: 20px 0;
}

.left_desc {
    font-size: 15px;
    /* color: rgba(15, 15, 15, 1); */
}

.left_button {
    margin-top: 30px;
    color: #fff;
}

.button_conn {
    cursor: pointer;
    color: #000000;
    font-weight: 600;
    width: 145px;
    height: 40px;
    border-radius: 6px;
    background: rgb(255, 255, 255,0.8);
    border: 2px solid rgb(255, 255, 255);
}

.button_down {
    cursor: pointer;
    margin-left: 30px;
    width: 145px;
    height: 40px;
    color: #ffffff;
    border-radius: 6px;
    background: rgb(0, 0, 0);
    border: 1px solid rgb(255, 255, 255);
}

.left_button .iconfont {
    font-size: 15px;
    margin-right: 5px;
}

.banner_right {
    flex: 1;
}

.banner_right img {
    width: 70%;
    float: right;
}

@media screen and (max-width: 1440px) {
    .banner {
        width: 80%;
    }

    .left_logo img {
        width: 60%;
    }


    .banner_right img{
        width: 90%;
    }

}

@media screen and (max-width: 1140px) {
    .banner {
        display: block;
    }

    .left_logo img {
        width: 60%;
    }


    .banner_right {
        display: none;
    }

}


@media screen and (max-width: 570px) {
    .left_titl {
        font-size: 20px;
        margin: 10px 0;
    }

    .left_desc {
        font-size: 14px;
    }

    .left_logo img {
        width: 90%;
    }

    .button_conn,
    .button_down {
        width: 125px;
        height: 35px;
        font-size: 14px;
    }

    .left_button .iconfont {
        font-size: 16px;
        margin-right: 5px;
    }

}


main section{
    scroll-snap-type: y;
 -webkit-scroll-snap-distance: 200px;
}



.mainFun-bg {
    background: url(../images/product/pro_bg3.jpg) no-repeat;
    background-size: cover;
    /* min-height: 100vh; */
}

.mainFun {
    height: inherit;
    display: flex;
    margin: 0 auto;
    max-width: 1440px;
    padding: 10%;
}

.mainFun_left {
    /* padding: 80px 50px 80px 0; */
    flex: 4;
    padding-right: 50px;
}

.mainFun_left_title {
    font-size: 36px;
    font-weight: 600;
    margin: 0 0 30px 0;
}

.mainFun_left_desc {
    font-size: 15px;
    color: rgb(58, 58, 58);
    /* width: 70%; */
}

.mainFun_left_block {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.mainFun_left_block_item {
    /* width: 130px; */
}

.item_icon {
    margin: 15px auto;
    border-radius: 50%;
    height: 60px;
    width: 60px;
    background-color: #fff;
    display: flex;
    align-items: center;
}

.item_icon .iconfont {
    border-radius: inherit;
    margin: 15px;
    font-size: 30px;
    color: rgba(122, 122, 122, 1);
}

.item_desc {
    font-size: 19px;
    font-weight: 600;
    color: rgb(44, 44, 44);
    margin-top: 20px;
    text-align: center;
}

.mainFun_right {
    flex: 5;

}

.mainFun_right img{
    margin-top: 80px;
}


@media screen and (max-width: 1440px) {
    .mainFun {
        padding: 10%;
        width: calc(100% - 20%);
    }
}

@media screen and (max-width: 1140px) {
    .mainFun {
        flex-direction: column;
        gap: 50px;
    }

    .mainFun_left {
        flex: 4;
        padding-right: 0px;
    } 

    .mainFun_right img{
        margin-top: 0;
    }
}


@media screen and (max-width: 570px) {

    .mainFun {
        width: calc(100% - 20%);
        height: auto;
        flex-direction: column;
    }

    .mainFun_left {
        padding: 0;
        flex: 4;
    }

    .mainFun_left_title {
        font-size: 24px;
        margin-top: 0;
        margin-bottom: 20px;
    }

    .mainFun_left_desc {
        font-size: 14px;
        width: 100%;
    }

    .mainFun_left_block {
        margin-top: 20px;
        gap: 20px;
    }

    .item_icon {
        margin: 0 auto;
        height: 50px;
        width: 50px;
    }

    .item_icon .iconfont {
        margin: 13px;
        font-size: 24px;
    }

    .item_desc {
        font-size: 15px;
        margin-top: 10px;
    }

}






.feature-bg {
    background: url(../images/product/pro_bg1.jpg) no-repeat;
    background-size: cover;
    height: 100vh;
    display: flex;
    align-items: center;

}

.feature {
    flex: 1;
    display: flex;
    justify-content: space-around;
    /* align-items: center; */
    margin: 0 auto;
    max-width: 1440px;
}

.feature_img {
    flex: 4;
}

.feature_desc_title {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 40px;
    position: relative;
}

.feature_desc_title::before {
    position: absolute;
    content: '';
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 5px;
    background-color: rgba(42, 130, 228, 1);
}

.feature_desc {
    flex: 5;
}

.feature_desc_content {
    max-width: 600px;
}


.feature_desc_content p {
    font-size: 18px;
    line-height: 30px;
    margin: 10px 0
}

.feature_desc_content p .iconfont {
    color: rgba(42, 130, 228, 1);
    font-size: 20px;
}

@media screen and (max-width: 1440px) {
    .feature {
        max-width: 90%;
    }

}


@media (max-width: 1140px) {
    html {
        scroll-behavior: smooth;
    }

    .feature {
        flex-direction: column-reverse;
        width: 80%;
        gap: 50px;
    }

    .feature_img img {
        width: 45%;
    }

}

@media screen and (max-width: 570px) {
    .feature_desc_title {
        font-size: 24px;
        margin-bottom: 40px;
    }

    .feature_desc_content p {
        font-size: 16px;
        line-height: 25px;
        margin: 10px 0
    }

    .feature_desc_content p .iconfont {
        font-size: 18px;
    }

    .feature_img img {
        width: 60%;
    }

}






.feature-bg1 {
    background: url(../images/product/pro_bg2.jpg) no-repeat;
    background-size: cover;
    height: 100vh;
    display: flex;
    align-items: center;
}

.feature1 {
    flex: 1;
    display: flex;
    justify-content: space-around;
    margin: 0 auto;
    max-width: 1440px;
}

.feature_img1 {
    flex: 4;
}

.feature_desc1 {
    flex: 5;
}

.feature_desc_title1 {
    font-size: 34px;
    font-weight: 700;
    margin: 40px 0;
    position: relative;
}

.feature_desc_title1::before {
    position: absolute;
    content: '';
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 5px;
    background-color: rgba(42, 130, 228, 1);
}

.feature_desc_content1 {
    max-width: 500px;
}

.feature_desc_content1 p {
    font-size: 18px;
    line-height: 35px;
}

.feature_desc_content1 p .iconfont {
    color: rgba(42, 130, 228, 1);
    font-size: 20px;
}

@media screen and (max-width: 1440px) {
    .feature1 {
        max-width: 90%;
    }

}


@media (max-width: 1140px) {
    html {
        scroll-behavior: smooth;
    }

    .feature1 {
        flex-direction: column;
        justify-content: space-around;
        max-width: 80%;
        height: 60vh;
    }

    .feature_img1 img {
        width: 60%;
    }

}

@media screen and (max-width: 570px) {
    .feature_desc_title1 {
        font-size: 24px;
        margin-bottom: 40px;
    }

    .feature_desc_content1 p {
        font-size: 16px;
        line-height: 25px;
        margin: 10px 0
    }

    .feature_desc_content1 p .iconfont {
        font-size: 18px;
    }

    .feature_img1 img {
        width: 70%;
    }

}










.featureNew-bg {
    background: url(../images/product/pro_bg3.jpg) no-repeat;
    background-size: cover;
    height: 100vh;
    display: flex;
    align-items: center;
}

.featureNew {
    flex: 1;
    display: flex;
    justify-content: space-around;
    margin: 0 auto;
    max-width: 1440px;
}

.featureNew_left {
    flex: 1;
}

.featureNew_right {
    flex: 1;
}

.featureNew_right_title {
    font-size: 34px;
    font-weight: 600;
    margin-bottom: 50px;
    position: relative;
}

.featureNew_right_title::before {
    position: absolute;
    content: '';
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 5px;
    background-color: rgba(42, 130, 228, 1);
}

.featureNew_right_block {}

.featureNew_right_block_item {
    border-radius: 5px;
    width: 500px;
    border: #eee solid 1px;
    margin: 20px 0;
}

.featureNew_right_block_item_title {
    display: flex;
    justify-content: space-between;
    background: rgba(247, 247, 247, 1);

}

.block_item_title_text {
    padding: 15px 20px;
    font-size: 17px;
    color: rgba(43, 43, 43, 1);
}

.block_item_title_text .iconfont {
    color: rgba(42, 130, 228, 1);
    margin-right: 8px;
    font-size: 20px;

}


.block_item_title_icon {
    color: #ffffff;
    border-radius: 0 5px 5px 0;
    padding: 15px 20px;
    background: rgba(199, 225, 255, 1);
}

.block_item_title_icon .iconfont {
    font-size: 22px;
    transition: all .3s;
    display: block;
}

.featureNew_right_block_item.active .block_item_title_icon .iconfont {
    transform: rotate(180deg);
}

.featureNew_right_block_item_desc>div {
    padding: 20px;
    font-size: 15px;
    line-height: 25px;
    color: rgb(112, 112, 112);
    background-color: #fff;
}

.featureNew_right_block_item_desc {
    overflow: hidden;
    height: 0;
    transition: all .5s;
}

.active>.featureNew_right_block_item_desc {
    height: auto;
}

@media screen and (max-width: 1440px) {
    .featureNew {
        justify-content: space-around;
        max-width: 90%;
    }

}

@media screen and (max-width: 1140px) {
    .featureNew {
        justify-content: space-around;
        gap: 50px;
        /* flex-direction: column-reverse; */
        max-width: 80%;
    }

    .featureNew_right_block_item {
        width: 100%;
        margin: 20px 0;
    }

    .featureNew_left img {
        width: 80%;
    }

    .featureNew_right_title {
        font-size: 20px;
        margin-bottom: 50px;
    }

    .block_item_title_text {
        padding: 10px 10px;
        font-size: 16px;
        line-height: 25px;
    }

    .block_item_title_icon .iconfont {
        font-size: 20px;
    }

    .featureNew_right_block_item_desc>div {
        padding: 15px;
        font-size: 15px;
        line-height: 25px;
    }
    
    @media screen and (max-width: 970px){
        .featureNew {
            justify-content: space-around;
            gap: 50px;
            flex-direction: column-reverse;
            max-width: 80%;
            height: 70vh;
        }
    

        .featureNew_left img {
            width: 50%;
        }    
    }

    @media screen and (max-width: 570px){
        .featureNew {
            justify-content: space-around;
            gap: 50px;
            flex-direction: column-reverse;
            max-width: 80%;
            height: 70vh;
        }
    

        .featureNew_left img {
            width: 70%;
        }    
    }

}