.productHeart {
    width: 100%;
    background: url(/images/temperature4.png) no-repeat;
    background-position: center 0;
    background-size: 100% 100%;
}

.product {
    height: 100%;
    padding: 54px 20px 100px 20px;

}

.product h4 {

    color: #254273;
    width: 100%;

    text-align: center;
    font-weight: bold;
    font-family: Verdana-Bold, Verdana;
    font-size: 28px;
}

.product h3 {
    margin-top: 14px;
    width: 100%;
    text-align: center;
    font-size: 36px;
    font-family: SourceHanSansCN-Bold, SourceHanSansCN;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 54px;
}

.product p {
    margin-top: 44px;
    color: #FFFFFF;
    width: 100%;
    text-align: center;
    font-family: Verdana-Bold, Verdana;
    font-size: 18px;
    font-weight: 300;
}

.pcImg {
    display: block;
}

.ydImg {
    display: none;
}

.schemeSteps {
    display: flex;
    flex-wrap: wrap;
    padding: 118px 30px 118px 30px;

}

.schemeSteps .schemeStepsSon {
    margin-right: 16px;
    width: calc(25% - 12px);
    height: 372px;
    text-align: center;
    background: #FFFFFF;
    box-shadow: 0px 2px 20px 0px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
}

.schemeSteps .schemeStepsSon img {
    margin-top: 53px;
}

.schemeSteps .schemeStepsSon:last-child {
    margin-right: 0;
}

.schemeSteps .schemeStepsSon .Stepsround {
    width: 184px;
}

.schemeStepsSon p {
    margin-top: 41px;
    width: 100%;
    text-align: center;
    font-size: 30px;
    font-weight: 500;
    color: #3991E9;
    font-family: SourceHanSansCN, SourceHanSansCN;
    white-space: nowrap;
}

.pvom_pictureHeart {
    padding: 84px 0 64px 0;
    /* background: linear-gradient(164deg, rgba(251, 253, 255, 0.02) 0%, #F6FAFE 100%); */
    background: #fff;

}

.pvom_picture {
    display: flex;
    flex-wrap: wrap;
}

.pvom_picture .picture_left {
    width: calc(48% - 22px);
    margin-right: 44px;
    margin-bottom: 50px;
}

.pvom_picture .picture_right {
    width: calc(48% - 22px);
    margin-top: 136px;
    width: 48%;

}

.pvom_picture img {
    margin-bottom: 50px;
}

.pvom_bottomHeart {
    padding: 72px 0 90px 0;
    background: url(../images/pvom/bottom_bg.png) no-repeat;
    background-size: 100% 100%;
    background-position: center;
}

.pvom_bottom {
    display: flex;
    flex-wrap: wrap;
}

.pvom_bottom .pvom_bottom_item {
    width: calc(50% - 22px);
    /* height: 680px; */
    background: #fff;
    margin-right: 44px;
    padding: 24px;
}

.pvom_bottom .pvom_bottom_item:last-child {
    margin-right: 0;
}

.pvom_bottom_item h4 {
    margin-top: 40px;
    margin-left: 48px;
    font-size: 30px;
    color: #000;
    font-weight: bold;
}

.pvom_bottom_item .pvom_title {
    margin-top: 16px;
    margin-left: 48px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    color: #000000;
    font-size: 18px;


}

.pvom_bottom_item .pvom_gang {
    margin-left: 48px;
    margin-top: 12px;
    width: 54px;
    height: 8px;
    background: #3991E9;

}

.pvom_bottom_item .pvom_title2 {
    margin-top: 24px;
    margin-left: 48px;
    font-size: 18px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 500;
    color: #3991E9;
}

.pvom_bottom_item img {
    width: 100%;
    /* height: 100%; */
    height: calc(100% - 240px);
    margin-top: 36px;
}

.schemesIm {
    position: relative;
}

.SchemePosition {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 130px;
    background: url(../images/backgroundbottom.png) no-repeat;
    background-position: center 0;
    background-size: 100% 100%;
}

.Shemesdiv4 {
    top: 143px;
}

.photovoltaicHeart {
    width: 100%;
    padding-bottom: 64px;
    background: url(../images/pvom/pvbg.png) no-repeat;
    background-position: center 0;
    background-size: 100% 100%;
}

.photovoltaicHeart h3 {
    font-size: 36px;
    font-weight: bold;
    color: #3991E9;
}

.photovoltaicHeart .gang {
    margin-top: 20px;
    width: 54px;
    height: 8px;
    background: #3991E9;
    opacity: 0.36;
}

.photovoltaicHeart img {
    margin-top: 117px;
}

.photovoltaicHeart h4 {
    margin-top: 10px;
    font-size: 28px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    color: #000000;
}

.pvHeart {
    padding: 8% 0 6% 0;
    width: 100%;
    background: #fff;
}

.newpv {
    background: url(../images/pvom/bg4.png) no-repeat;
    background-position: center 0;
    background-size: 100% 100%;
}

.SchemeLefts {
    position: relative;
}

.SchemeLefts .Shemeskuai {
    position: absolute;
    width: 48px;
    height: 48px;
    background: #1C376A;
    left: -48px;
    top: 0;
}

.SchemeLefts .Shemeskuai1 {
    position: absolute;
    width: 48px;
    height: 48px;
    background: #1C376A;
    opacity: 0.12;
    left: -96px;
    top: 48px;
}

@media screen and (max-width: 900px) {

    .pvom_bottom_item .pvom_gang,
    .pvom_bottom_item h4,
    .pvom_bottom_item .pvom_title,
    .pvom_bottom_item .pvom_title2 {
        margin-left: 0;
    }

    .pvom_bottom_item h4 {
        margin-top: 20px;
        font-size: 28px;
    }


    .pvom_bottomHeart {
        padding: 8% 20px 8% 20px;
    }

    .schemeSteps .schemeStepsSon {
        width: calc(50% - 8px);
    }

    .pvom_bottom .pvom_bottom_item {
        width: 100%;
        margin-right: 0;
        margin-top: 0;
    }

    .schemeSteps .schemeStepsSon:nth-child(2),
    .schemeSteps .schemeStepsSon:nth-child(4) {
        margin-right: 0;
    }

    .schemeSteps .schemeStepsSon:nth-child(3),
    .schemeSteps .schemeStepsSon:nth-child(4) {
        margin-top: 20px;
    }

    .schemeSteps {
        padding: 10% 30px 10% 30px;
    }
}

@media screen and (max-width: 780px) {
    .pcImg {
        display: none;
    }

    .schemesIm .SchemeLefts {
        top: 420px !important;
    }

    .schemesIm {
        height: 900px !important;
    }

    .ydImg {
        display: block;
    }

    .SchemePosition,
    .SchemeLefts .Shemeskuai1,
    .SchemeLefts .Shemeskuai {
        display: none;
    }

    .pvom_picture .picture_left,
    .pvom_picture .picture_right {
        width: 100%;
    }

    .pvom_picture .picture_left {
        margin-right: 0;
        margin-bottom: 0;
    }

    .pvom_pictureHeart {
        padding: 8% 10px 6% 10px;
    }

    .pvom_picture .picture_right {
        margin-top: 0;
    }

    .pvom_picture img {
        margin-bottom: 0;
    }

    .photovoltaicHeart h3,
    .photovoltaicHeart h4 {
        text-align: center;

    }

    .photovoltaicHeart h3 {
        font-size: 28px;
    }

    .photovoltaicHeart h4 {
        font-size: 24px;
    }

    .photovoltaicHeart .gang {
        /* margin: 20px auto; */
        display: none;
    }

    .photovoltaicHeart img {
        margin-top: 6%;
    }

    .photovoltaic {
        padding: 0 20px 0 20px;
    }

    .pvHeart {
        padding: 8% 20px 6% 20px;
    }
}

@media screen and (max-width: 550px) {


    .schemesIm {
        height: 800px !important;
    }
}

@media screen and (max-width: 480px) {


    .schemeSteps .schemeStepsSon {
        width: 100%;
        margin-right: 0;
    }

    .schemeSteps .schemeStepsSon:nth-child(2) {
        margin-top: 20px;
    }

    .schemesIm {
        height: 700px !important;
    }

    /* .schemesIm .SchemeLefts {
        top: 300px !important;
    } */
}