/*公共样式*/

.lst-block .title {
    font-size: 35px;
}

/*头部图片*/

.header-img {
    width: 100%;

    background-color: #333;
}

.header-img .bg-wrap {
    width: 100%;
}

.header-img .bg-box {
    position: relative;

    padding-bottom: 34%;
    width: 100%;
    height: 0;
}

.header-img .bg-box .bg-inner {
    display: flex;

    flex-direction: column;
    align-items: center;
    justify-content: center;

    position: absolute;
    z-index: 0;

    width: 100%;
    height: 100%;

    background-color: #9F9F9F;
}

.header-img .bg-box .txt {
    position: absolute;
    top: 40%;
    box-sizing: border-box;
    padding: 0 5%;
    width: 100%;
}

.header-img .bg-box .title {
    width: 100%;
    font-size: 3rem;
    color: #fff;
}

.header-img .bg-box .slogn {
    margin-top: 2%;
    width: 100%;
    font-size: 2rem;
    color: #fff;
}

.header-img .bg-box a {
    display: inline-block;
    margin-top: 2%;
}

.header-img .bg-box .btn-wrap {
    border: 1px solid #ffffff;
    padding: 5px 30px;

    font-size: 18px;
    letter-spacing: 1px;
    color: #fff;
}

/*概述*/

.virtue {
    padding: 70px 0;
    width: 100%;
}

.virtue .lst-block {
    width: 100%;
}

.virtue .lst-block .title {
    text-align: center;
}

.virtue .lst-container {
    display: flex;

    align-items: flex-start;

    margin-top: 80px;
    width: 100%;
}

.virtue .lst-container .img-wrap {
    box-sizing: border-box;
    padding: 0 2%;
    width: 64%;
}

.virtue .lst-container .img-box {
    position: relative;

    padding-bottom: 50%;
    width: 100%;
    height: 0;
}

.virtue .lst-container .img-box .img-inner {
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;
}

.virtue .lst-container .img-box img {
    width: 100%;
    height: 100%;

    object-fit: cover;
}

.virtue .lst-container .lst-wrap {
    box-sizing: border-box;
    padding: 0 3%;
    width: 36%;
}

.virtue .lst-container .lst-box {
    padding: 35px 0;

    border-bottom: 1px solid #efefef;
}

.virtue .lst-container .lst-box .lst-inner {
    font-size: 26px;
    line-height: 1.5;
}


/*园区介绍*/

.iot-logo {
    padding: 60px 0;
    width: 100%;
}

.iot-logo .lst-container {
    display: flex;

    align-items: flex-start;
    justify-content: space-between;

    width: 100%;
}

.iot-logo .lst-container .img-wrap {
    width: 100%;
}

.iot-logo .lst-container .img-box {
    position: relative;

    padding-bottom: 50%;
    width: 100%;
    height: 0;
}

.iot-logo .lst-container .img-box .img-inner {
    position: absolute;
    top: 0;
    left: 0;

    width: 68%;
    height: 100%;

    background-image: url("../images/ito-icon.png");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}

.iot-logo .lst-container .img-box .lst-wrap {
    position: absolute;
    top: 0;
    right: 0;

    width: 32%;
    height: 100%;

    background-color: #fbfbfb;
}

.iot-logo .lst-container .img-box .lst-box {
    position: relative;

    margin: 0 auto;
    width: 84%;
    height: 100%;
}

.iot-logo .lst-container .img-box .lst-box .lst-inner {
    display: flex;

    flex-direction: column;
    align-items: center;
    justify-content: center;

    position: absolute;
    top: 0;
    right: 0;

    width: 100%;
    height: 100%;
}

.iot-logo .lst-container .img-box .lst-box .title {
    margin-bottom: 35px;

    font-size: 40px;

    color: #909090;
}

.iot-logo .lst-container .img-box .lst-box .slogn {
    margin-bottom: 32px;

    font-size: 40px;
}

.iot-logo .lst-container .img-box .lst-box .txt {
    font-size: 18px;
    line-height: 1.5;
}

/*机遇与挑战*/

.challenge {
    padding: 70px 0 110px;
    width: 100%;

    background-color: #f7f8f9;
}

.challenge .title {
    padding: 35px 0;
    width: 100%;

    font-size: 30px;
    text-align: center;

    color: #818281;
}

.challenge .lst-container {
    display: flex;

    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;

    width: 100%;
}

.challenge .lst-container .icon-wrap {
    display: flex;

    flex-direction: column;
    align-items: center;
    justify-content: center;

    padding: 35px 0;
    width: 16%;
}

.challenge .lst-container .icon-wrap .tag {
    margin-top: 15px;

    font-size: 20px;
    line-height: 2;
}

.challenge .lst-container .icon-box {
    position: relative;

    padding-bottom: 25%;
    width: 25%;
    height: 0;
}

.challenge .lst-container .icon-box .icon-inner {
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;
}

.challenge .lst-container .icon-box img {
    width: 100%;
    height: 100%;

    object-fit: contain;
}

/*多场景解决方案*/

.case {
    box-sizing: border-box;
    padding: 0 1%;
    width: 100%;
}

.case .lst-block {
    padding: 70px 0;
    width: 100%;
}

.case .lst-block .title {
    width: 100%;

    text-align: center;
}

.case .lst-container {
    display: flex;

    align-items: flex-start;

    width: 100%;
}

.case .lst-container .img-wrap {
    box-sizing: border-box;
    padding: 0 1%;
    width: 25%;
}

.case .lst-container .img-box {
    position: relative;

    padding-bottom: 150%;
    width: 100%;
    height: 0;
}

.case .lst-container .img-box .info {
    display: flex;

    flex-direction: column;
    align-items: center;
    justify-content: center;

    position: absolute;
    top: 0;
    left: 0;
    z-index: 9;

    box-sizing: border-box;
    padding: 0 10%;
    width: 100%;
    max-height: 15%;
    height: 100%;

    background-color: #0071d5;

    transition: all .5s ease-in-out;
}

.case .lst-container .img-box:hover .info {
    max-height: 100%;

    background-color: #0071d599;
}

.case .lst-container .img-box .info > .txt {
    overflow: hidden;
    display: flex;

    align-items: flex-start;

    width: 100%;
    max-height: 0;

    font-size: 22px;
    line-height: 1.5;

    color: #fff;
}

.case .lst-container .img-box:hover .info > .txt {
    margin: 20px 0;
    max-height: 100%;
}

.case .lst-container .img-box .info > .txt .icon-box {
    flex-shrink: 0;

    position: relative;

    padding-bottom: 1.5em;
    width: 1.5em;
    height: 0;
}

.case .lst-container .img-box .info > .txt .icon-box .icon-inner {
    position: absolute;
    top: 0;
    left: 0;

    box-sizing: border-box;
    padding: 15%;
    width: 100%;
    height: 100%;
}

.case .lst-container .img-box .info > .txt .icon-box img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    background-color: transparent;
}

.case .lst-container .img-box .info .title {
    overflow: hidden;

    max-height: 100%;

    font-size: 32px;
    color: #fff;
}

.case .lst-container .img-box:hover .info .title {
    max-height: 0;
}

.case .lst-container .img-box .img-inner {
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;
}

.case .lst-container .img-box img {
    width: 100%;
    height: 100%;

    object-fit: cover;
}

/*申请试用*/

.use {
    margin-top: 50px;
    width: 100%;
}

.use .lst-wrap {
    width: 100%;
}

.use .lst-box {
    position: relative;

    padding-bottom: 12%;
    width: 100%;
    height: 0;
}

.use .lst-box .lst-inner {
    display: flex;

    align-items: center;
    justify-content: center;

    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;
}

.use .lst-box .lst-inner .slogn {
    font-size: 30px;
    letter-spacing: 2px;

    color: #fff;
}

.use .lst-box .lst-inner .btn-wrap {
    margin-left: 50px;
    border: 1px solid #fff;
    padding: 5px 30px;

    font-size: 18px;

    color: #fff;
}

@media screen and (max-width: 1023px) {
    .header-img .bg-box {
        padding-bottom: 80%;
    }

    .header-img .bg-box .txt {
        top: 30%;
    }

    .header-img .bg-box .title {
        font-size: 2.2rem;
    }

    .header-img .bg-box .slogn {
        font-size: 1.5rem;
    }

    .header-img .bg-box .btn-wrap {
        display: inline-block;
        margin-top: 5%;
        padding: .5rem 2rem;
        font-size: 1.4rem;
    }

    .virtue {
        box-sizing: border-box;
        padding: 1.5rem 2%;
    }

    .lst-block .title {
        font-size: 1.8rem;
    }

    .virtue .lst-container {
        flex-wrap: wrap;
        margin-top: 1rem;
    }

    .virtue .lst-container .img-wrap {
        flex-shrink: 0;
        padding: initial;
        width: 100%;
    }

    .virtue .lst-container .lst-wrap {
        padding: initial;
        width: 100%;
    }

    .virtue .lst-container .lst-box {
        padding: 3% 0;
        word-break: break-all;
    }

    .virtue .lst-container .lst-box .lst-inner {
        font-size: 1.6rem;
    }

    .challenge {
        padding:initial;
    }

    .challenge .title {
        box-sizing: border-box;
        padding: 2rem;
        font-size: 1.8rem;
        text-align: center;
    }

    .challenge .lst-container .icon-wrap {
        padding: 2rem 0;
        width: 33.33%;
    }

    .challenge .lst-container .icon-box {
        padding-bottom: 45%;
        width: 45%;
    }

    .challenge .lst-container .icon-wrap .tag {
        font-size: 1.4rem;
    }

    .case .lst-block {
        padding: 2rem 0;
    }

    .case .lst-container {
        flex-wrap: wrap;
    }

    .case .lst-container .img-wrap {
        margin: 1% 0;
        padding: 0 1%;
        width: 100%;
    }

    .case .lst-container .img-box .info .title {
        font-size: 2rem;
    }

    .case .lst-container .img-box:hover .info > .txt {
        margin: 1rem 0;
        font-size: 1.8rem;
    }

    .use .lst-box {
        padding-bottom: 40%;
    }

    .use .lst-box .lst-inner .slogn {
        box-sizing: border-box;
        padding: 2%;
        font-size: 1.8rem;
        text-align: center;
    }

    .use .lst-box .lst-inner {
        flex-direction: column;
    }

    .use .lst-box .lst-inner .btn-wrap {
        margin-left: initial;
        padding: .5rem 2rem;
        font-size: 1.4rem;
    }

    .use {
        margin: 50px 0 0;
    }
}