.inner_banner {
    height: 480px;
    background-size: cover;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: row;
    box-sizing: border-box;
    padding-left: calc((100% - 1200px) / 2);
    padding-right: calc((100% - 1200px) / 2);
}

.inner_banner .top-main .top-title {
    align-self: stretch;
    color: #1d2129;
    font-size: 48px;
    font-style: normal;
    font-weight: 400;
    line-height: 56px;
}

.inner_banner .top-main .top-line {
    width: 94px;
    height: 5px;
    flex-shrink: 0;
    /*background: #3AF;*/
}

.inner_banner .top-main .top-content {
    margin-top: 20px;
    align-self: stretch;
    color: #4e5969;
    font-size: 24px;
    font-style: normal;
    font-weight: 400;
    line-height: 32px;
    width: 630px;
}

.introduced {
    margin-top: 80px;
    margin-bottom: 80px;
}

.introduced .auto {
    display: flex;
}


.introduced .introduced-info,
.introduced .introduced-img {
    flex: 1;
}


.introduced .introduced-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
}

.introduced .introduced-info .title {
    align-self: stretch;
    color: #1d2129;
    font-size: 36px;
    font-style: normal;
    font-weight: 500;
    line-height: 44px;
}

.introduced .introduced-info .content p {
    margin: 16px 0 0 0;
    align-self: stretch;
    color: #4e5969;
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
}


.idx_titbox {}


.idx_titbox .title {
    align-self: stretch;
    color: #1d2129;
    text-align: center;
    font-size: 36px;
    font-style: normal;
    font-weight: 500;
    line-height: 44px;
}

.idx_titbox .msg {
    align-self: stretch;
    color: #4e5969;
    text-align: center;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 24px;
    margin-top: 12px;

}

.idx_titbox .title-bottom-border {
    margin: 25px auto 0 auto;
    width: 128px;
    height: 4px;
    background-color: #0363E9;
    box-shadow: 0 12px 12px 0 #0363e966;
}

.our-vision {
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 80px;
    align-self: stretch;
    background: linear-gradient(180deg, #FFF 0%, #E5F2FF 100%);
}

.our-vision-content {
    margin-top: 80px;
    align-self: stretch;
    color: #1d2129;
    text-align: center;
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: 32px;
}

.our-vision-earth {
    height: 410px;
    width: 820px;
    background-image: url("../images/our-vision-earth.png");
    background-position: bottom;
    background-size: contain;
    margin: 80px auto 0;
}

.our-vision2 {
    height: 576px;
    padding: 80px;
    position: relative;
}

.our-vision2 .our-vision2-bg {
    width: 1413px;
    height: 451px;
    position: absolute;
    top: 0px;
    left: 0;
    z-index: -1;
    background: url("../images/our-vision2-bg.png") 50% / cover no-repeat;
}


.our-vision2 .our-vision2-content {
    display: flex;
    margin-top: 80px;
}

.our-vision2 .our-vision2-item {
    display: flex;
    padding: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 16px;
    flex: 1 0 0;
    background: #F7F8FA;
    margin-right: 20px;
}

.our-vision2 .our-vision2-item .img {
    background-size: cover;
    width: 56px;
    height: 56px;
}

.our-vision2 .our-vision2-item .img1 {
    background-image: url("../images/our-vision2-item1.png");
}

.our-vision2 .our-vision2-item .img2 {
    background-image: url("../images/our-vision2-item2.png");
}

.our-vision2 .our-vision2-item .img3 {
    background-image: url("../images/our-vision2-item3.png");
}

.our-vision2 .our-vision2-item .title {
    align-self: stretch;
    color: #000000;
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: 32px;
}

.our-vision2 .our-vision2-item .desc {
    align-self: stretch;
    color: #4e5969;
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
}


.enterprise-qualification {
    padding: 80px;
}

.enterprise-qualification-content {
    margin-top: 80px;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: space-between;
    width: calc(100% + 45px);
}

.enterprise-qualification-content img {
    width: calc(50% - 20px);
    margin: 10px;
}

.product .advantage {
    padding-top: 1px;
    /* margin-top: 40px; */
}

.product .advantage .idx_titbox {
    margin: 60px 0;
}

.product .advantage .advantage-info {
    background: linear-gradient(180deg, #c7dfff 0%, #fff 100%);
    padding: 30px;
}

.product .advantage .advantage-list {
    padding: 0 120px;
    font-size: 0px;

}

.product .advantage .advantage-list .advantage-option {
    width: calc((100% - 40px)/3);
    height: 236px;
    background-color: #fff;
    display: inline-block;
    margin-right: 20px;
    margin-bottom: 20px;
    box-sizing: border-box;
    padding: 20px;
    vertical-align: top
}

.product .advantage .advantage-list .advantage-option:nth-child(3n) {
    margin-right: 0
}

.product .advantage .advantage-list .advantage-option .option-top {
    height: 100px;
}

.product .advantage .advantage-list .advantage-option .option-top .option-img {
    width: 64px;
    height: 64px
}

.product .advantage .advantage-list .advantage-option .option-title {
    color: #1d2129;
    font-size: 20px;
    font-style: normal;
    font-weight: bold;
    line-height: 28px;
}

.product .advantage .advantage-list .advantage-option .option-content {
    color: #4e5969;
    text-overflow: ellipsis;
    font-family: "OPPOSans";
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 22px
}

.iot-product .product-domain {
    /* padding: 20px; */
}

.iot-product .product-domain .domain-tab {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding-bottom: 60px;
}

.iot-product .product-domain .domain-tab .tab-option {
    width: 20%;
    height: 60px;
    box-sizing: border-box;
    border-bottom: 5px solid transparent;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    /* border-radius: 10px; */

}

.iot-product .product-domain .domain-tab .tab-option.active {
    /* background-color: #0363E9; */
    border-color: #0363E9;
    color: #0363E9;
    font-weight: 500;
    /* color: #fff; */
}

@media screen and (min-width: 320px) and (max-width: 767px) {

    .product .inner_banner {
        background-position: 100% 100%;
        height: 200px;
        /* height:; */
        background-size: 100% 100%;
        padding-left: 3%;
        padding-right: 3%;
    }

    .product .inner_banner .top-main .top-title {
        font-size: 16px;
        line-height: 24px;
    }

    .product .inner_banner .top-main .top-content {
        margin-top: 5px;
        font-size: 12px;
        line-height: 20px;
        width: 60%;
    }

    .product div.preview {
        margin: 30px 0;
    }

    .product .idx_titbox {
        margin-bottom: 10px;
    }

    .product .idx_titbox .cn>span {
        font-size: 16px;
        padding: 0 20px 10px;
    }

    .product .idx_titbox .cn>span .title-bottom-border {
        margin-top: 5px;
    }

    .product .platform-preview .preview-view .view-img {
        padding-bottom: 50px;
    }

    .product .platform-preview .bg-img {
        padding-bottom: 50px;
        height: 100px;
        bottom: -30px;
    }

    .product .advantage .advantage-info {
        background: linear-gradient(180deg, #c7dfff 0%, #fff 100%);
        padding: 20px;
    }

    .product .advantage .idx_titbox {
        margin: 30px 0 20px;
    }

    .product .advantage .advantage-list {
        padding: 0 3%;
        font-size: 0px;
    }

    .product .advantage .advantage-list .advantage-option {
        width: 100%;
        margin: 0 auto 20px;
        height: auto;

    }

    .product .advantage .advantage-list .advantage-option .option-content {
        font-size: 8px;
        line-height: 14px;
        color: #4e5969;
    }

    .product .advantage .advantage-list .advantage-option:nth-child(3n) {
        margin-right: 20px;
    }

    .product .advantage .advantage-list .advantage-option:nth-child(2n) {
        margin-right: 0px;
    }

    .product .advantage .advantage-list .advantage-option .option-title {
        font-size: 12px;
        line-height: 16px;
        margin-bottom: 5px;
    }

    .product .advantage .advantage-list .advantage-option .option-content {
        font-size: 12px;
        line-height: 16px;
        margin-bottom: 5px;
        color: rgba(0, 0, 0, 0.8);
    }

    .iot-product .product-domain .domain-tab {
        padding-bottom: 30px;
    }

    .iot-product .product-domain .domain-tab .tab-option {
        height: 40px;
        font-size: 16px;
    }

    .iot-product .idx_risk {
        padding-top: 30px;
    }

    .iot-product .idx_advan {
        padding-top: 30px;
        margin-top: 20px;
    }
}