html,
body {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}

/* navbar */

a:link {
    text-decoration: none;
    color: #fff;
}


html::-webkit-scrollbar {
    display: none
}

.navbar-dark {
    position: absolute;
    top: 0px;
    color: rgba(255, 255, 255, 0.6);
    width: 100%;
    z-index: 10;
}

#phone:hover {
    cursor: pointer;
}


.magin {
    margin-left: 0 !important;
}

.marign-1 {
    margin-right: 0 !important;
}

ul>li:hover {
    cursor: pointer;
}

.phone {
    color: rgba(255, 255, 255, .75);
}

@media screen and (min-width: 767px) {
    .navbar-default {
        position: fixed;
        top: 0px;
        color: rgba(36, 34, 34, 0.6);
        width: 100%;
        z-index: 10;
        background: #fff;
        transition: all 0.2s ease 0s;
    }

    .navbar-default .navbar-nav .nav-link,
    .navbar-default .phone {
        color: rgba(36, 34, 34, 0.6);
    }

    .navbar-default .navbar-nav .active>.nav-link,
    .navbar-default .navbar-nav .nav-link.active,
    .navbar-default .navbar-nav .nav-link.show,
    .navbar-default .navbar-nav .show>.nav-link {
        color: #487fe5;
    }

    .navbar-default .navbar-nav .nav-link:hover {
        color: #487fe5;
    }
}


#navbarUl,
#phone {
    font-size: 14px;
}

#navbarDiv,
#navbarUl {
    justify-content: center;
}

/* banner */
.bannerImg {
    position: relative;
    width: 100%;
    opacity: 0;
}

#banner1 {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    opacity: 0;
}

.bannerText {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
}

.video {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    object-fit: fill;
}

.bannerP1 {
    font-weight: blod;
    color: #fff;
    text-align: center;
}

.bannerP2 {
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin: 0;
}

.moreDiv {
    position: absolute;
    left: 0;
    bottom: 20px;
    width: 100%;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.arrow {
    font-size: 34px;
    opacity: 0;
    animation: arrow 1s linear 2s infinite alternate;
    /* Firefox: */
    -moz-animation: arrow 1s linear 2s infinite alternate;
    /* Safari and Chrome: */
    -webkit-animation: arrow 1s linear 2s infinite alternate;
    /* Opera: */
    -o-animation: arrow 1s linear 2s infinite alternate;
}

@keyframes arrow {
    0% {
        opacity: 0;
    }

    25% {
        opacity: 0.25;
    }

    50% {
        opacity: 0.5;
    }

    75% {
        opacity: 0.75;
    }

    100% {
        opacity: 1;
    }
}

@-moz-keyframes arrow

/* Firefox */
    {
    0% {
        opacity: 0;
    }

    25% {
        opacity: 0.25;
    }

    50% {
        opacity: 0.5;
    }

    75% {
        opacity: 0.75;
    }

    100% {
        opacity: 1;
    }
}

@-webkit-keyframes arrow

/* Safari and Chrome */
    {
    0% {
        opacity: 0;
    }

    25% {
        opacity: 0.25;
    }

    50% {
        opacity: 0.5;
    }

    75% {
        opacity: 0.75;
    }

    100% {
        opacity: 1;
    }
}

@-o-keyframes arrow

/* Opera */
    {
    0% {
        opacity: 0;
    }

    25% {
        opacity: 0.25;
    }

    50% {
        opacity: 0.5;
    }

    75% {
        opacity: 0.75;
    }

    100% {
        opacity: 1;
    }
}



/* 关于我们 */
.about {
    width: 100%;
    align-items: center;

    background-size: 100% auto;
    background-repeat: no-repeat;
}

.about>div {
    width: 100%;
    text-align: center;
    align-items: center;

}

.aboutImg {
    width: 90%;
}

.aboutTextDiv {
    width: 90%;
    text-align: start;
    margin-left: 10%;
}

.aboutTextDiv>p {
    color: #487fe5;
    font-weight: bold;
}

.aboutText {
    display: block;
    font-size: 14px;
    color: #353535;
    justify-content: space-between;
}

@media screen and (max-width:750px) {
    .about {

        background-size: 100% auto;
        background-repeat: no-repeat;
    }

    .aboutImg {
        width: 100%;
    }

    .aboutTextDiv {
        width: 100%;
        text-align: start;
        margin-left: 0;
    }
}

/* 智能网关 */
.intelligenceTitle {
    text-align: center;
    color: #487fe5;
    font-weight: bold;
}

.intelligenceImg {
    width: 100%;
}

.intelligenceImg>div>img {
    width: 60%;
    float: right;
    margin-right: 11% !important;
}

.intelligenceText>div {
    width: 100%;
}

.intelligenceText>.row {
    text-align: start;
    justify-content: space-between;
}

.intTextDiv {
    width: 100%;
    text-align: center;
    padding: 0 40px;
}

.intTextDiv .iconfont {
    font-size: 80px;
}

.intTextDiv>p {
    font-size: 18px;
    color: #353535;
    font-weight: bold;
    margin: 0;
}

.intTextDiv>span {
    text-align: justify;
    font-size: 14px;
    color: #353535;
}

.logoDiv>div>img {
    width: 100%;
}

.intTextDiv>.protocol {
    margin-top: -25px;
}

.protocolDiv {
    display: block;
}

.protocolI {
    display: none;
}

/* loT */
.loTDiv {
    width: 100%;
    align-items: center;
    background: url(../images/IOTBG.png);
    background-size: 100% auto;
    background-repeat: no-repeat;
    /* padding: 50px 0 80px; */
}

@media screen and (max-width:750px) {
    .loTDiv {
        background: url(../images/loTBg.png);
        background-size: 100% auto;
        background-repeat: no-repeat;
    }

    .intTextDiv {
        width: 100%;
        text-align: center;
        padding: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .intTextDiv>.protocol {
        margin-top: 0px;
    }

    .protocolDiv {
        display: none;
    }

    .protocolI {
        display: block;
    }
}


.loTTile {
    color: #fffefe;
    text-align: center;
}

.loTTile>span {
    display: block;
    width: 70%;
    text-align: center;
    font-size: 16px;
    margin: 0 auto;
}

.loTImgDiv {
    position: relative;
    border-radius: 5px;
    display: inline-block;
    width: 18%;
    box-sizing: border-box;
    margin: 8px 0.4%;
}

.loTImgDiv>img {
    width: 100%;
}

.loTTextDiv {
    width: 100%;
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    text-align: center;
    color: #fff;
    background: rgba(26, 26, 26, .6);
    align-items: center;
}

.loTTextDiv>div {
    width: 90%;
    margin: 0 5%;
    border-top: 1px solid #949494;
    border-bottom: 1px solid #949494;
    padding: 8%;
}


.loTTextDiv>div>span {
    font-size: 19px;
}

.loTTextDiv>div>p {
    font-size: 14px;
    margin: 0;
}

.loTImgDiv:hover .loTTextDiv {
    display: flex;
}


@media screen and (max-width:750px) {
    .moblieloT {
        display: flex;
        overflow-y: auto;
        justify-content: space-between;
        width: 100%;
        flex-wrap: wrap;
    }

    .moblieloT>div {
        display: flex;
        justify-content: space-between;
        width: 100%;
    }

    .loTImgDiv {
        flex: none;
        position: relative;
        border-radius: 5px;
        display: inline-block;
        width: 40%;
        box-sizing: border-box;
        margin: 1%;
    }

    .loTTextDiv {
        display: flex;
    }
}

.loTLgDiv {
    width: 100%;
    color: #fff;
    align-items: center;
}

.loTLGText>span {
    color: rgba(255, 255, 255, 0.8);
}

.loTLGText {
    width: 90%;
}

.loTLgImg {
    width: 90%;
}

.leftloT {
    padding-right: 10%;
}

.rightloT {
    padding-left: 10%;
}

@media screen and (max-width:750px) {
    .loTLGText {
        width: 100%;
    }

    .loTLgImg {
        width: 80%;
        margin: 0 10%;
    }

    .leftloT {
        padding-right: 0;
    }

    .rightloT {
        padding-left: 0;
    }
}

/* 生态合作 */
.collaborateTile {
    width: 100%;
    text-align: center;
}

.collaborateTile>p {
    color: #487fe5;
}

.collaborateTile>span {
    color: #353535;
}


.collaborateContent {
    width: 100%;
}

.collaborateContent>div {
    width: 100%;
    text-align: center;
}

.collaborateContent>div>img {

    margin: 0 10%;
}

.collaborateText {
    color: #353535;
    font-size: 18px;
}

#footLogoDiv {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 110px;
    overflow: hidden;
}

#footLogo {
    position: absolute;
    left: 0;
    top: 0;
    height: 110px;
}

#footLogo div {
    float: left;
}

#footLogo img {
    width: 302px;
    height: 110px;
}

#logoM,
#footLogoM {
    display: none;
}

.foot {
    background: url(../images/buttom.png);
    background-size: 100%;
    background-repeat: repeat;
    height: 68px;
    color: #fff;
    font-size: 13px;
    line-height: 68px;
}

@media screen and (max-width:750px) {

    #footLogoP,
    #logoP {
        display: none;
    }

    #footLogoM,
    #logoM {
        display: block;
        width: 100%;
    }

    #footLogoM img {
        width: 49%;
    }

    #logoM img {
        width: 32%;
    }

    .lookMore {
        text-align: center;
        font-size: 14px;
        margin-top: 2rem;
    }

    .lookMore>.iconfont {
        font-size: 18px;
    }

    #moreFootLogo,
    #moreLogo {
        display: none;
    }

    .foot {
        background: url(../images/buttomM.png);
        background-size: auto;
        background-repeat: repeat-x;
        color: #fff;
        font-size: 13px;
        height: 110px;
        line-height: 10px;
    }

    .tel {
        text-align: start;
        padding-left: 10px !important;
        ;
    }

    .email {
        text-align: end;
        padding-right: 10px !important;
        ;
    }

    .recordNo {
        text-align: center;
    }

    .space {
        height: 0px;
    }
}

.intTextDiv p {
    padding: 10px 0px;
}


.logoDiv div {
    padding-top: 20px;
}


@media screen and (max-width: 999px) {

    .ml-3,
    .mx-3 {
        margin-right: 0;
    }

    #navbarUl {
        padding-right: 0 !important;
    }

    .navbar-collapse {
        flex-grow: 0.5;
    }

    .navbar-nav li span {
        border-bottom: 1px solid rgba(255, 255, 255, 0.3) !important;
        height: 8%;
        box-sizing: border-box;
        padding-top: 5%;
    }

    /* #phone {
        width: 100% !important;
        margin-left: 0 !important;
        margin-bottom: 5%;
    } */

    #block1,
    #block2 {
        display: none !important;
    }

    .aboutImg {
        margin-bottom: 10%;
    }

    #div2 {
        background-color: rgb(246, 249, 255) !important;
    }

    .intelligenceImg>div>img {
        width: 100%;
        margin: 0px;
    }

    .div-3-padding {
        /* padding: 5% 4%; */
    }

    #Smart-Gateway {
        margin-top: -15% !important;
    }

    #Smart-Gateway div {
        height: 28%;
    }

    .intTextDiv i {
        width: 4rem;
        height: 4rem;
        margin: 25%;
    }

    .iconfont1 {
        display: block;
        padding: 8% 4%;
    }

    .iconfont4 {
        display: block;
        padding: 10% 6%;
    }

    .iconfont5 {
        font-size: 4.5rem;
        display: block;
        padding: 3% 5%;
    }

    .iconfont6 {
        display: block;
        padding: 10% 6%;
    }

    .mt-4,
    .my-4 {
        margin-top: 0 !important;
    }

    .textSize_moblie {
        text-align: center !important;
    }

    .p-0 {
        padding: 0 !important;
    }

    #logoM img {
        margin: 0.8rem 0;
    }

    .rightloT {
        display: block;
    }

    .img2 {
        position: absolute;
    }

    .text2 {
        margin-bottom: 100%;
    }

    .img2 {
        margin-top: 70%;
    }

    .pb-4 {
        margin: 5% 0 !important;
    }

    .loTTextDiv p {
        display: none;
    }

    .loTTextDiv>div {
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    .text-left {
        text-align: left !important;
    }

    .img4 {
        margin-bottom: 10%;
    }

    .stysn-img {
        margin: 10% 0;
    }

    .margin-2 {
        margin-top: 10% !important;
    }

    .tel {
        padding: 2% !important;
    }

    .email {
        padding: 2% !important;
    }

    .collaborateContent>div>img {
        width: 80%;
    }

    .intelligenceImg>div>img {
        width: 100%;
        margin: 0px !important;
    }

    .collaborateText1 {
        color: #353535;
        display: block;
        width: 85%;
        margin: 0 auto;
    }

    #navbar {
        padding: 0.5rem;
    }

    #navbar {
        position: fixed;
        background: rgba(26, 26, 26, 0.9);
    }

    #navbar img {
        display: inline-block;
        zoom: 0.9;
    }

    #bannerTextDiv {
        opacity: 1 !important;
    }
}

@media screen and (max-width: 1400px) {
    .nav-link {
        width: 115%;
    }

    .navbar-nav {
        padding-right: 0 !important;
    }
}