* {
    box-sizing: border-box;
}

body {
    font-size: .16rem;
}

p {
    margin: 0;
    padding: 0;
}

div#app {
    width: 100%;
    height: 100%;
}

div#app {
    width: 100%;
    height: 100%;
}

.container {
    width: 100%;
    /* height: ; */
    text-align: center;
    /* transition: background-color 0.5s ease-in-out; */
    /* margin-top: 4rem; */
}

/* 手机 */
@media(min-width: 300px) {
    .navbar-logo {
        width: 10rem;
        height: 2.5rem;
        margin-left: 0;
    }

    .tab-nav {
        padding: 0;
    }

    .bg {
        width: 100%;
        height: auto;
    }

    .navbar-logo {
        width: 10rem;
        height: 2rem;
        background: url(../image/navbar_logo.png);
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        /* margin-left: 4rem; */
    }

    .navbar-collapse {
        /* margin-left: 3.6rem; */
        /* font: 0.26rem; */
        flex-grow: unset !important;
    }

    .nav-item {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .mask {
        position: relative;
        overflow: hidden;
    }

    .bg {
        width: 100%;
        height: 16rem !important;
    }

    .bg::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.4);
    }

    .wrapper .mask .content {
        width: 100%;
        height: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        position: absolute;
        bottom: 60%;
        left: 50%;
        transform: translate(-50%, 0%);
        color: white;
        z-index: 1;
    }

    .wrapper .mask .content .title {
        font-size: 1.5rem;
        letter-spacing: 0.2rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
        margin-bottom: 0;
    }

    .wrapper .mask .content .sign {
        font-size: 0.66rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
    }

    .wrapper .mask .content .sub-title {
        font-size: 1.2rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
        margin-top: 0.8rem;
    }

    .wrapper.about-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 1.4rem;
    }

    .wrapper.about-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.3rem;
        font-weight: 600;
        margin-bottom: 0;
    }

    .wrapper.about-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .wrapper.about-us .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-weight: 600;
        box-sizing: border-box;
        padding: 0.8rem 0 0.8rem;
    }

    .wrapper.about-us .content .img {
        display: block;
        width: 50%;
        height: 100%;
        /* height: auto; */
        background: url('../image/about_us.jpg');
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
    }

    .wrapper.about-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 0.7rem;
        padding: 0 0.6rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.2rem;
    }

    .wrapper.product {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 1rem;
        background-color: #f7f7f8;
    }

    .wrapper.product .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        font-weight: 600;
        margin-top: 2rem;
        margin-bottom: 0;
    }

    .wrapper.product .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.66rem;
        font-weight: 600;
        margin-bottom: 0;
    }


    /* 切换选项样式 */
    .tabs {
        width: 100%;
        height: auto;
        text-align: center;
        margin: 0.8rem 0 1.8rem;
    }

    .tab-nav {
        list-style: none;
        display: flex;
        width: 100%;
        height: 3.6rem;
        /* background: #eee; */
        box-sizing: border-box;
        align-items: center;
        justify-content: center;
        padding: 0 8%;
        cursor: pointer;
        /* border-bottom: 0.1rem #000 solid; */
    }

    .tab-nav li {
        cursor: pointer;
        border-bottom: 1px solid #ccc;
        padding: 0 0.4rem 0.1rem;
        position: relative;
    }

    .tab-nav li.li-active::after {
        position: absolute;
        border-bottom: 2px solid #00baff;
        width: 100%;
        content: "";
        left: 0;
        bottom: -1px;
    }

    .tab-nav a {
        font-weight: bold;
        color: #666;
        text-decoration: none;
        display: block;
        font-size: 0.9rem;
    }

    .tab-nav a.active {
        color: #00baff;
    }


    .tab-content {
        margin-top: .2rem;
        text-align: center;
    }

    .tab-content .content {
        display: none;
    }

    .tab-content .content.active-cnt {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tab-content .content .box {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 20rem;
        height: auto;
        min-height: 30rem;
        box-sizing: border-box;
        background: #FFF;
        margin-bottom: 1rem;
        /* 添加阴影效果 */
        transition: transform 0.3s ease;
        align-items: flex-start;
        /* 添加过渡效果 */
    }

    .tab-content .content .box:hover {
        /* transform: scale(1.1); */
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
        /* 在悬停时放大元素 */
    }

    .tab-content .content .box .img {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 16rem;
        height: 16rem;
        box-sizing: border-box;
    }

    /* .tab-content .content .box .img.wm {
        padding: 5% 16%;
    } */
    .tab-content .content .box .img.wm {
        padding: 20% 18%;
    }

    .tab-content .content .box .img.am {
        padding: 0% 16%;
        transform: translateY(0.8rem);
    }

    .tab-content .content .box .img.im {
        padding: 10% 16%;
    }

    /* .tab-content .content .box .img.md {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.lg {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.ml {
        padding: 5% 16%;
    } */

    .tab-content .content .box .info {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 20rem;
        font-size: 1rem;
        /* height: 24rem; */
        box-sizing: border-box;
        padding: 0 1rem;
    }


    .wrapper.big-data {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 1.8rem;
    }

    .wrapper.big-data .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 0;
    }

    .wrapper.big-data .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .wrapper.big-data .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-weight: 600;
        box-sizing: border-box;
        padding: 1.2rem 0 2rem;
    }

    .wrapper.big-data .content .img {
        display: block;
        width: 50%;
        height: 80%;
        /* width: 30rem;
        min-width: 30rem;
        height: 35rem;
        min-height: 35rem; */
        /* height: auto; */
        background: url('../image/big_data.png');
        background-repeat: no-repeat;
        background-size: contain;
        background-position: center;
        /* transform: translateY(1.6rem); */
    }

    .wrapper.big-data .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 0.8rem;
        /* padding: 0 1rem; */
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 1.6rem;
        line-height: 1.2rem;
    }

    .wrapper.contact-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        padding-top: 1.5rem;
        background-color: #f7f7f8;
    }

    .wrapper.contact-us p {
        margin: 0;
    }

    .wrapper.contact-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        font-weight: 600;
    }

    .wrapper.contact-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .wrapper.contact-us .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-weight: 600;
        box-sizing: border-box;
        padding: 1.5rem 0 1rem;
    }

    .wrapper.contact-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 0.6rem;
        padding: 0 0.6rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.1rem;
    }

    .wrapper.contact-us .content .info .info-item {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        flex-wrap: wrap;
        margin-bottom: 0.6rem;
    }

    .wrapper.contact-us .content .info .info-item img {
        width: 1rem;
        height: 1rem;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text {
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        flex: 1;
        margin-left: 0.6rem;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text .title {
        font-size: 0.9rem;
        display: block;
        width: 100%;
        text-align: left;
        text-indent: 0;
    }

    .wrapper.contact-us .content .info .info-item .info-item-text .sub-title {
        display: block;
        width: 100%;
        font-size: 0.6rem;
        text-align: left;
        text-indent: 0;
    }

    .wrapper.contact-us .content .img {
        display: flex;
        justify-content: center;
        /* align-items: center; */
    }

    .wrapper.contact-us .content .img .ercode {
        display: block;
        width: 5rem !important;
        min-width: 5rem;
        height: 5rem !important;
        min-height: 5rem;
        margin-right: 0.6rem;
    }

    .wrapper.contact-us .content .img p {
        width: 100%;
        font-size: 0.8rem;
        box-sizing: border-box;
        padding-right: 0.6rem;
    }

    .copyright {
        text-align: center;
        display: block;
        height: 2rem;
        line-height: 2rem;
        font-size: 0.9rem;
    }
}

/* 平板 */
@media(min-width: 480px) and (max-width: 768px) {
    .bg {
        width: 100%;
        height: auto;
    }

    .navbar-logo {
        width: 10rem;
        height: 2rem;
        background: url(../image/navbar_logo.png);
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        /* margin-left: 4rem; */
    }

    .navbar-collapse {
        /* font: 0.26rem; */
        flex-grow: unset !important;
    }

    .nav-item {
        font-size: 1rem;
        padding: 0 1rem;
    }


    .mask {
        position: relative;
        overflow: hidden;
    }

    .bg {
        width: 100%;
        height: 24rem !important;
    }

    .bg::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.4);
    }

    .wrapper .mask .content {
        width: 100%;
        height: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        position: absolute;
        bottom: 60%;
        left: 50%;
        transform: translate(-50%, 0%);
        color: white;
        z-index: 1;
    }

    .wrapper .mask .content .title {
        font-size: 2rem;
        letter-spacing: 0.2rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
        margin-bottom: 0;
    }

    .wrapper .mask .content .sign {
        font-size: 0.96rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
    }

    .wrapper .mask .content .sub-title {
        font-size: 1.4rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
        margin-top: 2rem;
    }

    .wrapper.about-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 2rem;
    }

    .wrapper.about-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.3rem;
        font-weight: 600;
        margin-bottom: 0;
    }

    .wrapper.about-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .wrapper.about-us .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-weight: 600;
        box-sizing: border-box;
        padding: 1.2rem 0 1.2rem;
    }

    .wrapper.about-us .content .img {
        display: block;
        width: 50%;
        height: 100%;
        /* height: auto; */
        background: url('../image/about_us.jpg');
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
    }

    .wrapper.about-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 0.8rem;
        padding: 0 2rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.4rem;
    }

    .wrapper.product {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 2rem;
        background-color: #f7f7f8;
    }

    .wrapper.product .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.3rem;
        font-weight: 600;
        margin-top: 2rem;
        margin-bottom: 0;
    }

    .wrapper.product .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
        margin-bottom: 0;
    }


    /* 切换选项样式 */
    .tabs {
        width: 100%;
        height: auto;
        text-align: center;
        margin: 1.2rem 0 2.6rem;
    }

    .tab-nav {
        list-style: none;
        display: flex;
        width: 100%;
        height: 3.6rem;
        /* background: #eee; */
        box-sizing: border-box;
        align-items: center;
        justify-content: center;
        padding: 0 16%;
        cursor: pointer;
        /* border-bottom: 0.1rem #000 solid; */
    }

    .tab-nav li {
        cursor: pointer;
        border-bottom: 1px solid #ccc;
        padding: 0 1.3rem 0.2rem;
        position: relative;
    }

    .tab-nav li.li-active::after {
        position: absolute;
        border-bottom: 2px solid #00baff;
        width: 100%;
        content: "";
        left: 0;
        bottom: -1px;
    }

    .tab-nav a {
        font-weight: bold;
        color: #666;
        text-decoration: none;
        display: block;
    }

    .tab-nav a.active {
        color: #00baff;
    }


    .tab-content {
        margin-top: .2rem;
        text-align: center;
    }

    .tab-content .content {
        display: none;
    }

    .tab-content .content.active-cnt {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tab-content .content .box {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 24rem;
        height: auto;
        min-height: 30rem;
        box-sizing: border-box;
        background: #FFF;
        margin-bottom: 1rem;
        /* 添加阴影效果 */
        transition: transform 0.3s ease;
        align-items: flex-start;
        /* 添加过渡效果 */
    }

    .tab-content .content .box:hover {
        /* transform: scale(1.1); */
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
        /* 在悬停时放大元素 */
    }

    .tab-content .content .box .img {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 18rem;
        height: 18rem;
        box-sizing: border-box;
    }

    .tab-content .content .box .img.wm {
        padding: 20% 18%;
    }

    .tab-content .content .box .img.am {
        padding: 0% 16%;
        transform: translateY(0.8rem);
    }

    .tab-content .content .box .img.im {
        padding: 10% 16%;
    }

    /* .tab-content .content .box .img.md {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.lg {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.ml {
        padding: 5% 16%;
    } */

    .tab-content .content .box .info {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 24rem;
        /* height: 24rem; */
        box-sizing: border-box;
        padding: 0 2rem;
    }


    .wrapper.big-data {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 2.4rem;
    }

    .wrapper.big-data .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.3rem;
        font-weight: 600;
        margin-bottom: 0;
    }

    .wrapper.big-data .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .wrapper.big-data .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-weight: 600;
        box-sizing: border-box;
        padding: 1.5rem 0 3.8rem;
    }

    .wrapper.big-data .content .img {
        display: block;
        width: 60%;
        /* height: 100%; */
        /* width: 30rem;
        min-width: 30rem;
        height: 35rem;
        min-height: 35rem; */
        /* height: auto; */
        background: url('../image/big_data.png');
        background-repeat: no-repeat;
        /* background-size: cover; */
        background-position: center;
        /* transform: translateY(1.6rem); */
        height: 100%;
        background-size: 100% 120%;
    }

    .wrapper.big-data .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1rem;
        /* padding: 0 1rem; */
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.2rem;
    }

    .wrapper.contact-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        padding-top: 2rem;
        background-color: #f7f7f8;
    }

    .wrapper.contact-us p {
        margin: 0;
    }

    .wrapper.contact-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.3rem;
        font-weight: 600;
    }

    .wrapper.contact-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .wrapper.contact-us .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 1.5rem 0 1rem;
    }

    .wrapper.contact-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 0.8rem;
        padding: 0 1rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.4rem;
    }

    .wrapper.contact-us .content .info .info-item {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        flex-wrap: wrap;
        margin-bottom: 1rem;
    }

    .wrapper.contact-us .content .info .info-item img {
        width: 1.2rem;
        height: 1.2rem;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text {
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        flex: 1;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text .title {
        font-size: 0.8rem;
        display: block;
        width: 100%;
        text-align: left;
    }

    .wrapper.contact-us .content .info .info-item .info-item-text .sub-title {
        display: block;
        width: 100%;
        font-size: 0.6rem;
        text-align: left;
    }

    .wrapper.contact-us .content .img {
        display: flex;
        justify-content: center;
        /* align-items: center; */
    }

    .wrapper.contact-us .content .img .ercode {
        display: block;
        width: 6rem !important;
        min-width: 6rem;
        height: 6rem !important;
        min-height: 6rem;
        margin-right: 1rem;
    }

    .copyright {
        text-align: center;
        display: block;
        height: 2rem;
        line-height: 2rem;
        font-size: 0.9rem;
    }
}

/* 平板 */
@media(min-width: 768px) and (max-width: 1024px) {
    .bg {
        width: 100%;
        height: auto;
    }

    .navbar-logo {
        width: 14rem;
        height: 3.6rem;
        background: url(../image/navbar_logo.png);
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        /* margin-left: 4rem; */
    }

    .navbar-collapse {
        /* font: 0.26rem; */
        flex-grow: unset !important;
    }

    .nav-item {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .mask {
        position: relative;
        overflow: hidden;
    }

    .bg {
        width: 100%;
        height: 40rem !important;
    }

    .bg::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.4);
    }

    .wrapper .mask .content {
        width: 100%;
        height: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        position: absolute;
        bottom: 60%;
        left: 50%;
        transform: translate(-50%, 0%);
        color: white;
        z-index: 1;
    }

    .wrapper .mask .content .title {
        font-size: 2.8rem;
        letter-spacing: 0.2rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
    }

    .wrapper .mask .content .sign {
        font-size: 1.26rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
    }

    .wrapper .mask .content .sub-title {
        font-size: 1.4rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
        margin-top: 2rem;
    }

    .wrapper.about-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 4rem;
    }

    .wrapper.about-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.5rem;
        font-weight: 600;
        margin-bottom: 0;
    }

    .wrapper.about-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        font-weight: 600;
    }

    .wrapper.about-us .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 1.5rem 0 1.5rem;
    }

    .wrapper.about-us .content .img {
        display: block;
        width: 50%;
        height: 100%;
        /* height: auto; */
        background: url('../image/about_us.jpg');
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
    }

    .wrapper.about-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1rem;
        padding: 0 2rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.7rem;
    }

    .wrapper.product {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 3rem;
        background-color: #f7f7f8;
    }

    .wrapper.product .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.5rem;
        font-weight: 600;
        margin-top: 2.6rem;
    }

    .wrapper.product .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        font-weight: 600;
    }


    /* 切换选项样式 */
    .tabs {
        width: 100%;
        height: auto;
        text-align: center;
        margin: 2.6rem 0 4.6rem;
    }

    .tab-nav {
        list-style: none;
        display: flex;
        width: 100%;
        height: 3.6rem;
        /* background: #eee; */
        box-sizing: border-box;
        align-items: center;
        justify-content: center;
        padding: 0 16%;
        cursor: pointer;
        /* border-bottom: 0.1rem #000 solid; */
    }

    .tab-nav li {
        cursor: pointer;
        border-bottom: 1px solid #ccc;
        padding: 0 1.5rem 0.2rem;
        position: relative;
    }

    .tab-nav li.li-active::after {
        position: absolute;
        border-bottom: 2px solid #00baff;
        width: 100%;
        content: "";
        left: 0;
        bottom: -1px;
    }

    .tab-nav a {
        font-weight: bold;
        color: #666;
        text-decoration: none;
        display: block;
    }

    .tab-nav a.active {
        color: #00baff;
    }


    .tab-content {
        margin-top: .2rem;
        text-align: center;
    }

    .tab-content .content {
        display: none;
    }

    .tab-content .content.active-cnt {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tab-content .content .box {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 24rem;
        height: auto;
        min-height: 30rem;
        box-sizing: border-box;
        background: #FFF;
        margin-bottom: 1rem;
        /* 添加阴影效果 */
        transition: transform 0.3s ease;
        align-items: flex-start;
        /* 添加过渡效果 */
    }

    .tab-content .content .box:hover {
        /* transform: scale(1.1); */
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
        /* 在悬停时放大元素 */
    }

    .tab-content .content .box .img {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 18rem;
        height: 18rem;
        box-sizing: border-box;
    }

    .tab-content .content .box .img.wm {
        padding: 20% 18%;
    }

    .tab-content .content .box .img.am {
        padding: 0% 16%;
        transform: translateY(0.8rem);
    }

    .tab-content .content .box .img.im {
        padding: 10% 16%;
    }

    /* .tab-content .content .box .img.md {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.lg {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.ml {
        padding: 5% 16%;
    } */

    .tab-content .content .box .info {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 24rem;
        /* height: 24rem; */
        box-sizing: border-box;
        padding: 0 2rem;
    }


    .wrapper.big-data {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 3.6rem;
    }

    .wrapper.big-data .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.5rem;
        font-weight: 600;
    }

    .wrapper.big-data .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        font-weight: 600;
    }

    .wrapper.big-data .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-weight: 600;
        box-sizing: border-box;
        padding: 1.5rem 0 3.8rem;
    }

    .wrapper.big-data .content .img {
        display: block;
        width: 50%;
        /* height: 100%; */
        /* width: 30rem;
        min-width: 30rem;
        height: 35rem;
        min-height: 35rem; */
        /* height: auto; */
        background: url('../image/big_data.png');
        background-repeat: no-repeat;
        /* background-size: cover; */
        background-position: center;
        height: 120%;
        background-size: 100% 140%;
        /* transform: translateY(2.6rem); */
    }

    .wrapper.big-data .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1rem;
        /* padding: 0 1rem; */
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.4rem;
    }

    .wrapper.contact-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        padding-top: 3rem;
        background-color: #f7f7f8;
    }

    .wrapper.contact-us p {
        margin: 0;
    }

    .wrapper.contact-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.5rem;
        font-weight: 600;
    }

    .wrapper.contact-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        font-weight: 600;
    }

    .wrapper.contact-us .content {
        width: 90%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 1rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 3rem 0 2rem;
    }

    .wrapper.contact-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1rem;
        padding: 0 1rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.7rem;
    }

    .wrapper.contact-us .content .info .info-item {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        flex-wrap: wrap;
        margin-bottom: 1rem;
    }

    .wrapper.contact-us .content .info .info-item img {
        width: 1.5rem;
        height: 1.5rem;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text {
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        flex: 1;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text .title {
        font-size: 1rem;
        display: block;
        width: 100%;
        text-align: left;
    }

    .wrapper.contact-us .content .info .info-item .info-item-text .sub-title {
        display: block;
        width: 100%;
        font-size: 0.9rem;
        text-align: left;
    }

    .wrapper.contact-us .content .img {
        display: flex;
        justify-content: center;
        /* align-items: center; */
    }

    .wrapper.contact-us .content .img .ercode {
        display: block;
        width: 9rem !important;
        min-width: 9rem;
        height: 9rem !important;
        min-height: 9rem;
        margin-right: 2rem;
    }

    .copyright {
        text-align: center;
        display: block;
        height: 2rem;
        line-height: 2rem;
        font-size: 0.9rem;
    }
}

/* 笔记本 */
@media(min-width: 1024px) and (max-width: 1440px) {
    .bg {
        width: 100%;
        height: 30rem !important;
    }

    .navbar-logo {
        width: 14rem;
        height: 3.6rem;
        background: url(../image/navbar_logo.png);
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        /* margin-left: 4rem; */
    }

    .navbar-collapse {
        /* margin-left: 3.6rem; */
        /* font: 0.26rem; */
        flex-grow: unset !important;
    }

    .nav-item {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .mask {
        position: relative;
        overflow: hidden;
    }

    .bg {
        width: 100%;
        height: 48rem !important;
    }

    .bg::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.4);
    }

    .wrapper .mask .content {
        width: 100%;
        height: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        position: absolute;
        bottom: 60%;
        left: 50%;
        transform: translate(-50%, 0%);
        color: white;
        z-index: 1;
    }

    .wrapper .mask .content .title {
        font-size: 3.2rem;
        letter-spacing: 0.2rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
    }

    .wrapper .mask .content .sign {
        font-size: 1.66rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
    }

    .wrapper .mask .content .sub-title {
        font-size: 2.2rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
        margin-top: 2rem;
    }

    .wrapper.about-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 4rem;
    }

    .wrapper.about-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.8rem;
        font-weight: 600;
    }

    .wrapper.about-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.4rem;
        font-weight: 600;
    }

    .wrapper.about-us .content {
        width: 80%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 0.8rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 3rem 0 3rem;
    }

    .wrapper.about-us .content .img {
        display: block;
        width: 50%;
        height: 100%;
        /* height: auto; */
        background: url('../image/about_us.jpg');
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
    }

    .wrapper.about-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1.2rem;
        padding: 0 2rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 2.7rem;
    }

    .wrapper.product {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 3rem;
        background-color: #f7f7f8;
    }

    .wrapper.product .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 2rem;
        font-weight: 600;
        margin-top: 4rem;
    }

    .wrapper.product .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.2rem;
        font-weight: 600;
    }


    /* 切换选项样式 */
    .tabs {
        width: 100%;
        height: auto;
        text-align: center;
        margin: 2.6rem 0 4.6rem;
    }

    .tab-nav {
        list-style: none;
        display: flex;
        width: 100%;
        height: 3.6rem;
        /* background: #eee; */
        box-sizing: border-box;
        align-items: center;
        justify-content: center;
        padding: 0 16%;
        cursor: pointer;
        /* border-bottom: 0.1rem #000 solid; */
    }

    .tab-nav li {
        cursor: pointer;
        border-bottom: 1px solid #ccc;
        padding: 0 3rem 0.2rem;
        position: relative;
    }

    .tab-nav li.li-active::after {
        position: absolute;
        border-bottom: 2px solid #00baff;
        width: 100%;
        content: "";
        left: 0;
        bottom: -1px;
    }

    .tab-nav a {
        font-weight: bold;
        color: #666;
        text-decoration: none;
        display: block;
    }

    .tab-nav a.active {
        color: #00baff;
    }


    .tab-content {
        margin-top: .2rem;
        text-align: center;
    }

    .tab-content .content {
        display: none;
    }

    .tab-content .content.active-cnt {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tab-content .content .box {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 24rem;
        height: auto;
        min-height: 30rem;
        box-sizing: border-box;
        background: #FFF;
        margin-bottom: 1rem;
        /* 添加阴影效果 */
        transition: transform 0.3s ease;
        align-items: flex-start;
        /* 添加过渡效果 */
    }

    .tab-content .content .box:hover {
        /* transform: scale(1.1); */
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
        /* 在悬停时放大元素 */
    }

    .tab-content .content .box .img {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 18rem;
        height: 18rem;
        box-sizing: border-box;
    }

    /* .tab-content .content .box .img.wm {
        padding: 5% 16%;
    } */
    .tab-content .content .box .img.wm {
        padding: 20% 18%;
    }

    .tab-content .content .box .img.am {
        padding: 0% 16%;
        transform: translateY(0.8rem);
    }

    .tab-content .content .box .img.im {
        padding: 10% 16%;
    }

    /* .tab-content .content .box .img.md {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.lg {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.ml {
        padding: 5% 16%;
    } */

    .tab-content .content .box .info {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 24rem;
        /* height: 24rem; */
        box-sizing: border-box;
        padding: 0 2rem;
    }


    .wrapper.big-data {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 4.4rem;
    }

    .wrapper.big-data .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 2rem;
        font-weight: 600;
    }

    .wrapper.big-data .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.2rem;
        font-weight: 600;
    }

    .wrapper.big-data .content {
        width: 80%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 1.0rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 3rem 0 4rem;
    }

    .wrapper.big-data .content .img {
        display: block;
        width: 24rem;
        min-width: 22rem;
        height: 28rem;
        min-height: 28rem;
        /* height: auto; */
        background: url('../image/big_data.png');
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        /* transform: translateY(2.6rem); */
    }

    .wrapper.big-data .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1.2rem;
        padding: 0 2.4rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.8rem;
    }

    .wrapper.contact-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        padding-top: 4rem;
        background-color: #f7f7f8;
    }

    .wrapper.contact-us p {
        margin: 0;
    }

    .wrapper.contact-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 2rem;
        font-weight: 600;
    }

    .wrapper.contact-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.2rem;
        font-weight: 600;
    }

    .wrapper.contact-us .content {
        width: 60%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 1.0rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 3rem 0 4rem;
    }

    .wrapper.contact-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1rem;
        padding: 0 1rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 1.7rem;
    }

    .wrapper.contact-us .content .info .info-item {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        flex-wrap: wrap;
        margin-bottom: 2rem;
    }

    .wrapper.contact-us .content .info .info-item img {
        width: 1.5rem;
        height: 1.5rem;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text {
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        flex: 1;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text .title {
        font-size: 1rem;
        display: block;
        width: 100%;
        text-align: left;
    }

    .wrapper.contact-us .content .info .info-item .info-item-text .sub-title {
        display: block;
        width: 100%;
        font-size: 0.9rem;
        text-align: left;
    }

    .wrapper.contact-us .content .img {
        display: flex;
        justify-content: center;
        /* align-items: center; */
    }

    .wrapper.contact-us .content .img .ercode {
        display: block;
        width: 9rem !important;
        min-width: 9rem;
        height: 9rem !important;
        min-height: 9rem;
        margin-right: 2rem;
    }

    .copyright {
        text-align: center;
        display: block;
        height: 2rem;
        line-height: 2rem;
        font-size: 0.9rem;
    }
}

/* 大屏设备 */
@media(min-width: 1440px) {
    .navbar-logo {
        width: 14rem;
        height: 3.6rem;
        background: url(../image/navbar_logo.png);
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        /* margin-left: 4rem; */
    }

    .navbar-collapse {
        min-width: 30rem;
        /* margin-left: 3.6rem; */
        /* font: 0.26rem; */
        flex-grow: unset !important;
    }

    .nav-item {
        font-size: 1rem;
        padding: 0 2rem;
    }

    .mask {
        position: relative;
        overflow: hidden;
    }

    .bg {
        width: 100%;
        height: 48rem !important;
    }

    .bg::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.4);
    }

    .wrapper .mask .content {
        width: 100%;
        height: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        position: absolute;
        bottom: 60%;
        left: 50%;
        transform: translate(-50%, 0%);
        color: white;
        z-index: 1;
    }

    .wrapper .mask .content .title {
        font-size: 3.6rem;
        letter-spacing: 0.2rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
    }

    .wrapper .mask .content .sign {
        font-size: 1.66rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
    }

    .wrapper .mask .content .sub-title {
        font-size: 2.6rem;
        font-weight: 600;
        width: 100%;
        text-align: center;
        display: block;
        margin-top: 2rem;
    }

    .wrapper.about-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 6rem;
    }

    .wrapper.about-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 2.4rem;
        font-weight: 600;
    }

    .wrapper.about-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.6rem;
        font-weight: 600;
    }

    .wrapper.about-us .content {
        width: 60%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 1.0rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 4rem 0 4rem;
    }

    .wrapper.about-us .content .img {
        display: block;
        width: 30rem;
        min-width: 30rem;
        height: 35rem;
        min-height: 35rem;
        /* height: auto; */
        background: url('../image/about_us.jpg');
        background-repeat: no-repeat;
        background-size: cover;
    }

    .wrapper.about-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1.4rem;
        padding: 0 5rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 2.7rem;
    }

    .wrapper.product {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 4rem;
        background-color: #f7f7f8;
    }

    .wrapper.product .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 2.4rem;
        font-weight: 600;
        margin-top: 6rem;
    }

    .wrapper.product .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.6rem;
        font-weight: 600;
    }


    /* 切换选项样式 */
    .tabs {
        width: 100%;
        height: auto;
        text-align: center;
        margin: 3rem 0 4.6rem;
    }

    .tab-nav {
        list-style: none;
        display: flex;
        width: 100%;
        height: 3.6rem;
        /* background: #eee; */
        box-sizing: border-box;
        align-items: center;
        justify-content: center;
        padding: 0 16%;
        cursor: pointer;
        /* border-bottom: 0.1rem #000 solid; */
    }

    .tab-nav li {
        cursor: pointer;
        border-bottom: 1px solid #ccc;
        padding: 0 3rem 0.2rem;
        position: relative;
    }

    .tab-nav li.li-active::after {
        position: absolute;
        border-bottom: 2px solid #00baff;
        width: 100%;
        content: "";
        left: 0;
        bottom: -1px;
    }

    .tab-nav a {
        font-weight: bold;
        color: #666;
        text-decoration: none;
        display: block;
    }

    .tab-nav a.active {
        color: #00baff;
    }


    .tab-content {
        margin-top: .2rem;
        text-align: center;
    }

    .tab-content .content {
        display: none;
    }

    .tab-content .content.active-cnt {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tab-content .content .box {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 24rem;
        height: auto;
        min-height: 30rem;
        box-sizing: border-box;
        background: #FFF;
        margin-bottom: 1rem;
        /* 添加阴影效果 */
        transition: transform 0.3s ease;
        align-items: flex-start;
        /* 添加过渡效果 */
    }

    .tab-content .content .box:hover {
        /* transform: scale(1.1); */
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
        /* 在悬停时放大元素 */
    }

    .tab-content .content .box .img {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 18rem;
        height: 18rem;
        box-sizing: border-box;
    }

    /* .tab-content .content .box .img.wm {
        padding: 5% 16%;
    } */
    .tab-content .content .box .img.wm {
        padding: 20% 18%;
    }

    .tab-content .content .box .img.am {
        padding: 0% 16%;
        transform: translateY(0.8rem);
    }

    .tab-content .content .box .img.im {
        padding: 10% 16%;
    }

    /* .tab-content .content .box .img.md {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.lg {
        padding: 5% 16%;
    }

    .tab-content .content .box .img.ml {
        padding: 5% 16%;
    } */

    .tab-content .content .box .info {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 24rem;
        /* height: 24rem; */
        box-sizing: border-box;
        padding: 0 2rem;
    }


    .wrapper.big-data {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 6rem;
    }

    .wrapper.big-data .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 2.4rem;
        font-weight: 600;
    }

    .wrapper.big-data .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.6rem;
        font-weight: 600;
    }

    .wrapper.big-data .content {
        width: 60%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 1.0rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 3rem 0 4rem;
    }

    .wrapper.big-data .content .img {
        display: block;
        width: 30rem;
        min-width: 30rem;
        height: 35rem;
        min-height: 35rem;
        /* height: auto; */
        background: url('../image/big_data.png');
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        transform: translateY(2rem);
    }

    .wrapper.big-data .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1.4rem;
        padding: 0 5rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 2.7rem;
    }

    .wrapper.contact-us {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        padding-top: 4rem;
        background-color: #f7f7f8;
    }

    .wrapper.contact-us p {
        margin: 0;
    }

    .wrapper.contact-us .title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 2.4rem;
        font-weight: 600;
    }

    .wrapper.contact-us .sub-title {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.6rem;
        font-weight: 600;
    }

    .wrapper.contact-us .content {
        width: 60%;
        display: flex;
        justify-content: center;
        text-align: center;
        font-size: 1.0rem;
        font-weight: 600;
        box-sizing: border-box;
        padding: 4rem 0 4rem;
    }

    .wrapper.contact-us .content .info {
        display: block;
        width: 50%;
        height: auto;
        font-size: 1.4rem;
        padding: 0 5rem;
        font-weight: 400 !important;
        box-sizing: border-box;
        text-align: left;
        text-indent: 2rem;
        line-height: 2.7rem;
    }

    .wrapper.contact-us .content .info .info-item {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        flex-wrap: wrap;
        margin-bottom: 2rem;
    }

    .wrapper.contact-us .content .info .info-item img {
        width: 3rem;
        height: 3rem;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text {
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        flex: 1;
    }


    .wrapper.contact-us .content .info .info-item .info-item-text .title {
        font-size: 1.4rem;
        display: block;
        width: 100%;
        text-align: left;
    }

    .wrapper.contact-us .content .info .info-item .info-item-text .sub-title {
        display: block;
        width: 100%;
        font-size: 1.16rem;
        text-align: left;
    }

    .wrapper.contact-us .content .img {
        display: flex;
        justify-content: center;
        /* align-items: center; */
    }

    .wrapper.contact-us .content .img .ercode {
        display: block;
        width: 13rem !important;
        min-width: 13rem;
        height: 13rem !important;
        min-height: 13rem;
        margin-right: 2rem;
    }

    .copyright {
        text-align: center;
        display: block;
        height: 2rem;
        line-height: 2rem;
        font-size: .9rem;
    }
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.white {
    color: white;
}