.wtnavselect {
    border-bottom: 3px solid #F66F6A;
}

/* banner */
.wotu-banner {
    position: relative;
    width: 100%;
    height: 240px;
    background: url(../images/u807.jpg?v=20200427) no-repeat;
    background-size: cover;
    background-position: center;
}

.banner-content {
    max-width: 1280px;
    width: 100%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.banner-content > p {
    max-width: 630px;
    font-size: 14px;
    color: #575d6c;
    margin-bottom: 24px;
}

.banner-tit {
    font-size: 50px;
    color: #252B3A;
    line-height: 60px;
    margin-bottom: 16px;
}

.banner-text {
    max-width: 630px;
    font-size: 14px;
    color: #575d6c;
    margin-bottom: 24px;
}

.banner-btn-box {
    display: inline-block;
    font-size: 0;
}

.btn-banner,
.btn-last {
    display: inline-block;
    padding: 0 32px;
    height: 40px;
    font-size: 14px;
    line-height: 40px;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    outline: none;
    border: 1px solid transparent;
    border-radius: 0px;
    box-sizing: border-box;
}

.btn-banner {
    border-color: #c7000b;
    background-color: #c7000b;
    color: #fff;
    margin-right: 10px;
}

.btn-banner:hover {
    color: #fff;
    background-color: #D64A52;
    border-color: #D64A52;
    box-shadow: 0 8px 6px -4px rgba(246, 111, 106, 0.5);
}

.btn-banner:focus {
    border-color: #c7000b;
    background-color: #c7000b;
    color: #fff;
    margin-right: 10px;
}

.btn-last {
    border: solid 1px rgb(37, 43, 58);
    color: rgb(37, 43, 58);
}

.btn-last:hover {
    border-color: #c7000b;
    background-color: rgba(255, 255, 255, 0);
    color: #c7000b;
}

/* iot导航 */
.wotu-nav {
    z-index: 10;
}

.wotu-nav-list {
    margin: 0 25px;
    padding: 0 10px;
}

/* 开放场景 */
.wotu-scene {
    padding-bottom: 30px;
}

.wotu-scene-box {
    font-size: 0;
    background: #fff;
}

.scene_boxlist {
    display: none;
}

.scene-list {
    font-size: 18px;
    width: 33.3333333333%;
    display: inline-block;
    color: #252b3a;
}

.scene-list a {
    display: block;
    padding: 3% 0;
    margin: 0 25%;
    cursor: pointer;

}

.scene_box {
    font-size: 0;
    border: 1px solid #DDDDDD;
    background: #fff;
}

.scene_boxnav {
    width: 20%;
    display: inline-block;
    font-size: 16px;
    color: #252b3a;
    padding: 1% 0;
    border-bottom: 1px solid #DDDDDD;
    border-right: 1px solid #DDDDDD;
    cursor: pointer;
}

.scene_box ul > li:first-child + li + li + li + li {
    border-right: none;
}

.scene-layer {
    border: none;
}

/* 最新公告 */
.wotu-gonggao {
    padding: 50px 0;
}

.wotu-gonggao-box {
    font-size: 0;
}

.gonggaobox {
    vertical-align: top;
    display: inline-block;
    width: 48%;
}

.gonggaobox:first-child {
    margin-right: 1%;
}

.gonggaobox:last-child {
    margin-left: 1%;
}

.gonggaotitle {
    font-size: 36px;
    color: #252b3a;
    padding-bottom: 40px;
}

.gonggaosubbox {
    text-align: left;
    padding: 0 35px;
    box-shadow: 3px 3px 9px #888888;
}

.gonggaorow {
    padding: 30px 0;
    border-bottom: 1px solid #DDDDDD;
}

.gonggaorow:hover a {
    color: #f66f6a;
}

.gonggaorow > a {
    font-size: 18px;
    color: #252b3a;
}

.gonggaorow > p {
    font-size: 12px;
    color: #a0a2a8;
    vertical-align: middle;
}

.gonggaorow > p::before {
    content: "";
    display: inline-block;
    vertical-align: middle;
    width: 14px;
    height: 14px;
    margin-right: 10px;
    vertical-align: bottom;
    background: url(../img/iot/time2ico.png) no-repeat center center;
    background-size: 100% 100%;
}

.gonggaorowshow {
    font-size: 18px;
    color: #252b3a;
    cursor: pointer;
}

.gonggaorowshow::after {
    content: "";
    display: inline-block;
    width: 12px;
    height: 8px;
    margin-left: 1%;
    background: url(../img/bottomtip.png) no-repeat center center;
    background-size: 100% 100%;
}


/* 复写 */
/* 开房场景 */
.product-scene-tab .scene-tab {
    width: 20%;
}

.product-scene-tab .scene-tab p.caption {
    font-size: 14px;
    color: #252b3a;
    padding: 0 5%;
}

.scene-sub-wrap {
    text-align: left;
}

.scene-sub-box .section-item-col6 {
    padding: 10px 10px;
}

/* 文档中心 */
.develop-container .section-wrapper.bg-new2 {
    background: url(../img/iot/wdbg.jpg) no-repeat center center;
    background-size: cover;
}

.iot-tabs-menu[_ngcontent-c6] {
    border-bottom: 1px solid #A9AEC5;
    list-style-type: none;
    margin: 0;
}

.card-challenge-wrapper[_ngcontent-c7] {
    position: relative;
    background: url(../img/iot/doc_bg.png) no-repeat left top;
    background-size: cover;
    height: 252px;
    box-shadow: 0 4px 10px 0 rgba(0, 0, 0, 0.1);
}

.section-item-col4 .card-challenge-caption:after {
    content: '';
    position: absolute;
    top: 35px;
    right: 23px;
    display: inline-block;
    width: 14px;
    height: 14px;
    background: url(../img/iot/doc_icon.png) no-repeat center;
    background-size: cover;
}

/* 主题论坛 */
.video .tile .title.iot:before {
    background: url(../img/iot/iot.png) no-repeat center;
}

.video .tile .title.nbiot:before {
    background: url(../img/iot/nbiot.png) no-repeat center;
}

.video .tile .title.liteos:before {
    background: url(../img/iot/liteos.png) no-repeat center;
}

@media screen and (max-width: 1280px) {
}

.header-subsite-logo {
    background: none;
    line-height: 60px;
    margin: 0;
    float: left;
    color: #252b3a;
    height: 60px;
    text-align: left;
    font-size: 20px;
    margin-right: 16px;
}

.header-subsite-logo a:hover,
.header-subsite-logo a:link,
.header-subsite-logo a:visited,
.header-subsite-logo a:active {
    color: #252b3a;
}

.headerCls {
    width: 100%;
    /* padding-left: 5px; */
    background-color: #fff;
    transition: background-color 0.3s;
}
.header_logo {
    display: inline-block;
    margin-right: 28px;
    padding: 10px 0;
    vertical-align: top;
}

.header_logo a {
    font-size: 16px;
    font-weight: bold;
    line-height: 40px;
    display: inline-block;
}
.header_logo .image {
    height: 40px;
    width: 50px;
    display: inline-block;
    margin-right: 5px;
    background: url(../images/header_logo.svg) no-repeat center;
    background-size: auto;
    vertical-align: top;
}
.headerCls a:hover,
.headerCls a:visited,
.headerCls a:link {
    text-decoration: none;
}

.header-nav-list {
    position: relative;
    z-index: 1;
    margin: 0;
    padding: 0;
}

.header-nav-list > li {
    float: left;
    cursor: pointer;
    margin: 0;
    position: relative;
}

/* .header-nav-list>li:hover {
    border-bottom: 2px solid #C7000B;
} */

.header-nav-list > li:hover > a {
    color: #C7000B;
    border-bottom: 3px solid #C7000B;
}

.header-nav {
    position: relative;
    width: 1280px;
    height: 60px;
    margin: 0 auto;
}

.header-nav-list > li > a {
    display: block;
    font-size: 14px;
    color: #252b3a;
    cursor: default;
    -webkit-transition: color 0.3s;
    transition: color 0.3s;
}

/* footer */
.experience_box {
    padding: 32px;
    height: 252px;
}

.experience_box:hover {
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.1);
}

.experience_box_img {
    text-align: center;
    margin-bottom: 32px;
}

.experience_box_title {
    font-size: 18px;
    color: #252b3a;
    margin-bottom: 24px;
    text-align: center;
}

.experience_box_desc {
    color: #a0a2a8;
    font-size: 14px;
}

.scene_img {
    position: absolute;
    left: 0;
    top: 0;
    width: 780px;
    height: 484px;
    overflow: hidden;
    border: solid 40px #fff;
    background: #f7f7f7;
    cursor: zoom-in;
    border-radius: 2px;
}

.dropdown {
    position: absolute;
    top: 102px;
    right: 0;
    left: 0;
    display: none;
    z-index: 5;
}

.dropdown > div.dropContainer {
    background-color: rgba(245, 245, 245, 1);
    color: #333333;
    margin: 0;
    box-shadow: 0px 2px 10px rgba(204, 204, 204, 0.58);
}

.dropdown > div.dropContainer > .dropBox {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 0;
    overflow: hidden;
}

.dropdown > div.dropContainer > .dropBox > ul > li {
    margin-bottom: 10px;
}

.dropdown > div.dropContainer > .dropBox > ul > li:hover {
    color: #C7000B;
}

.dropdown > div.dropContainer > .dropBox > ul > li:hover a {
    color: #C7000B;
}

/*顶部cookie通栏*/
.privacy {
    position: relative;
    top: 0;
    width: 100%;
    z-index: 9999;
    color: #333;
    background: #ccc;
    text-align: center;
    display: none;
    padding: 10px 0;
}

.privacy a {
    color: #526ecc;
}

.privacy a:hover {
    color: #344899;
}

.privacy a.close-privacy {
    line-height: 30px;
    position: absolute;
    top: 0;
    right: 0;
    display: block;
    float: right;
    width: 30px;
    height: 30px;
    text-align: center;
    color: #fff;
    text-decoration: none;
}

.privacy p {
    display: inline-block;
    padding: 2px 80px 2px 0;
    font-size: 14px;
    line-height: 18px;
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
}

.privacy .close-icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    background: url(../images/icon_close_privacy.png) no-repeat center / 20px 20px;
}

.privacy a.close-privacy {
    line-height: 30px;
    position: absolute;
    top: 0;
    right: 0;
    display: block;
    float: right;
    width: 30px;
    height: 30px;
    text-align: center;
    color: #fff;
    text-decoration: none;
}

.result {
    background-color: yellow;
}

.icons-float-bar {
    width: 24px;
    height: 24px;
    display: inline-block;
    vertical-align: middle;
    background: url(../images/icons-float-bar2.png) 0 0 no-repeat;
    margin: 12px auto;
}

.icons-float-bar.f5 {
    background-position: -96px 0;
}

.icons-float-bar.f2 {
    background-position: -72px 0;
}

.icons-float-bar.f4 {
    /* background-position: -72px 0; */
    background: url(../images/help-center.svg) 0 0 no-repeat;
    width: 28px;
    height: 28px;
}

.float-bar-nav > .item {
    background-color: white;
    text-align: center;
    line-height: 0;
    width: 48px;
    height: auto;
    font-size: 0;
    transition: background-color .3s ease-out;
    position: relative;
    box-shadow: 0 4px 10px 0 rgba(138, 141, 147, 0.4);
}

.float-bar-nav > .item:first-child {
    border-top-left-radius: 2px;
    border-top-right-radius: 2px;
}

.float-bar-nav > .item:last-child {
    border-bottom-left-radius: 2px;
    border-bottom-right-radius: 2px;
}

.float-bar-nav > .item:hover {
    background-color: #c7000b;
}

.float-bar-nav .sub-nav-layer {
    z-index: 2;
    position: absolute;
    top: 0;
    right: 100%;
    padding-right: 5px;
    font-size: 14px;
    opacity: 0;
    visibility: hidden;
    transform: scale(.95);
    transform-origin: right;
    transition: opacity .4s, transform .3s ease-out;
}

@media (min-width: 1024px) {
    .float-bar-nav .item:hover .sub-nav-layer {
        opacity: 1;
        transform: scale(1);
        visibility: visible;
    }
}

.float-bar-nav .page-nav .sub-nav-layer {
    position: fixed;
    right: 94px;
    bottom: 90px;
    top: auto;
    min-height: 292px;
}

.oldIE .float-bar-nav .sub-nav-layer {
    visibility: hidden;
}

.float-bar-nav .page-nav-list {
    padding: 20px 0;
    font-size: 14px;
    width: 160px;
    background-color: white;
    text-align: left;
    box-shadow: 0px 5px 8px rgba(6, 0, 1, 0.1)
}

.oldIE .float-bar-nav .page-nav-list {
    border: 1px solid #d4d5d7;
}

.float-bar-nav .page-nav-list .item {
    padding: 15px 30px;
    list-style: circle inside;
    cursor: pointer;
    line-height: 20px;
    transition: background-color .3s ease-out;
}

.sub-nav-main .phone {
    width: 160px;
    display: inline-block;
    vertical-align: top;
    text-align: center;
    line-height: 30px;
}

.sub-nav-main .phone-icons {
    width: 54px;
    display: inline-block;
    height: 54px;
    background: url(../images/common/phone-icon.gif) no-repeat;
    margin: 20px 0 0;
}

.sub-nav-main .text {
    font-size: 14px;
    color: #666;
    line-height: 18px;
}

.sub-nav-main .num {
    font-size: 16px;
    color: #333;
}

.sub-nav-main .num span {
    font-weight: bold;
}

.sub-nav-main ul.info {
    display: inline-block;
    width: 160px;
    text-align: left;
    border-left: 1px dotted #d4d4d4;
    margin: 15px 0;
    height: 125px;
    padding: 10px 20px 0;
}

.sub-nav-main ul.info li {
    line-height: 24px;
    color: #999;
    font-size: 12px;
}

@media (max-height: 800px) {
    .float-bar-nav .page-nav-list .item {
        padding: 10px 30px;
    }
}

.float-bar-nav .page-nav-list .item:hover {
    background-color: #f5f5f5
}

.float-bar-nav .page-nav-list .item.on {
    background-color: #5DCBB2;
    color: white
}

.float-bar-nav .sub-nav-main {
    min-width: 220px;
    white-space: nowrap;
    background-color: #fff;
    line-height: 40px;
    display: block;
    padding: 10px 0;
    border-radius: 2px;
    box-shadow: 0 4px 10px 0 rgba(138, 141, 147, 0.2);
}

.sub-inner .icons-float-bar {
    float: left;
    margin: 10px 20px 0 18px;
}

.sub-inner.inner .icons-float-bar {
    float: left;
    margin-top: 8px;
}

.sub-inner {
    line-height: 35px;
    height: 35px;
    text-align: left;
    padding-right: 20px;
    position: relative;
}

.sub-inner.inner {
    height: auto;
    min-height: 60px;
    line-height: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.sub-inner .title {
    margin-left: 40px;
    font-size: 14px;
    color: #252b3a;
}

.sub-inner .info {
    display: block;
    margin-top: 5px;
    margin-left: 62px;
    font-size: 14px;
    line-height: 18px;
    color: #252B3A;
    background: none;
    padding: 0;
}

.sub-inner.inner .title {
    font-size: 14px;
    line-height: 18px;
}

.sub-inner.inner .icons-float-bar {
    margin-top: 0;
}

.sub-inner:hover {
    background: #fafafa;
}

.sub-inner > a:first-child:hover .title {
    color: #c7000b;
}

.sub-inner .info[href]:hover {
    color: #c7000b;
}

.float-bar-nav .telephone {
    font-weight: bold;
    margin-left: 5px;
}

#userInfo,
#userRegister,
#languageToggle {
    float: right;
    text-align: center;
    margin: 0 3px;
}

#userInfo,
#languageToggle {
    position: relative;
    display: block;
    color: #fff;
    height: 60px;
}

#languageToggle:hover .langDropdown {
    display: block;
}

#userInfo > a,
#languageToggle > a {
    color: #c7000b;
    cursor: pointer;
}

#userInfo > a .userImg {
    display: inline-block;
    width: 24px;
    height: 24px;
    vertical-align: middle;
    margin-right: 5px;
    background: url(../images/head.png) no-repeat center;
    background-size: contain;
}

#languageToggle > a .arrow, #userInfo > a .arrow {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-left: 5px;
    background: url(../images/arrowdown.png) no-repeat center;
}

#userInfo > a:hover {
    color: #c7000b !important;
}

/* #userInfo>a:hover .arrow {
    background: url(../images/arrowup.png) no-repeat center;
} */

#userInfo:hover #userDropdown {
    display: block;
}

.langDropdown, #userDropdown {
    position: absolute;
    top: 60px;
    left: 10px;
    width: 100%;
    padding: 10px 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, .1);
    cursor: default;
    background: #fff;
    display: none;
}

.langDropdown a, #userDropdown a {
    color: #252b3a;
    padding: 6px 20px;
    display: block;
    text-align: center;
    font-size: 14px;
}

.langDropdown a {
    text-align: left;
}

.langDropdown a:hover, #userDropdown a:hover {
    color: #c7000b;
}

#userRegister span {
    display: inline-block;
    background-color: #c7000b;
    color: #fff;
    padding: 9px 16px;
    margin: 12px 0;
    cursor: pointer;
    font-size: 14px;
}

#userRegister span:hover {
    background-color: #bb4148;
}

.header-nav-list > li#userRegister:hover a,
.header-nav-list > li#userInfo:hover a,
.header-nav-list > li#languageToggle:hover a {
    border-bottom: none;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
    background-color: #f0f2f5
}

::-webkit-scrollbar-thumb {
    border-radius: 8px;
    background-color: #bfc3c6
}

::-webkit-scrollbar-track {
    border-radius: 8px;
    background-color: #f0f2f5
}

.markdown-body h1 + h2,
.markdown-body h2 + h3,
.markdown-body h3 + h4 {
    margin-top: 24px;
}

#consult {
    position: fixed;
    z-index: 1000;
    bottom: 30px;
    right: 5px;
}

.env-info-wrap {
    position: absolute;
    left: -18px;
    top: 20%;
    width: 18px;
    height: 88px;
    cursor: pointer;
    display: none;
}

.env-info-wrap-out {
    cursor: pointer;
    display: inline-block;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url(../images/rightArrow_right.png);
}

.env-info-wrap-in {
    cursor: pointer;
    display: inline-block;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url(../images/leftArrow_right.png);
}

.icons-float-bar.f7 {
    background-position: -144px 0;
}

.goTop {
    display: inline-block;
    width: 48px;
    height: 48px;
    text-align: center;
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 4px 10px 0 rgba(138, 141, 147, 0.4);
    cursor: pointer;
    -webkit-transition: opacity .3s ease-out;
    transition: opacity .3s ease-out;
}

.goTop:hover .icons-float-bar.f7 {
    background-position: -120px 0;
}

#detailMain li {
    list-style: inherit;
    margin-bottom: 12px;
}

#detailMain .linenums li {
    margin-bottom: 0;
}