html, body {
    font: 400 13px 'Open Sans', sans-serif;
}

.b-channel {
    background: url("../images/chanpin/product-bg.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-style {
    background: url("../images/chanpin/product-style.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-index {
    background: url("../images/chanpin/product-index.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-route {
    background: url("../images/chanpin/product-route.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-acd {
    background: url("../images/chanpin/product-acd.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-dock {
    background: url("../images/chanpin/product-dock.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-schedule {
    background: url("../images/chanpin/product-schedule.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-crm {
    background: url("../images/chanpin/product-crm.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-form {
    background: url("../images/chanpin/product-form.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-chat {
    background: url("../images/chanpin/product-chat.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-record {
    background: url("../images/chanpin/product-record.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-qc {
    background: url("../images/chanpin/product-qc.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-report {
    background: url("../images/chanpin/product-report.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-data {
    background: url("../images/chanpin/product-data.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-ocpc {
    background: url("../images/chanpin/product-ocpc.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-robot {
    background: url("../images/chanpin/product-robot.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-api {
    background: url("../images/chanpin/product-api.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-safe {
    background: url("../images/chanpin/product-safe.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.b-share {
    background: url("../images/chanpin/product-share.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

.column a:hover, .column a:focus {
    text-decoration: none;
    color: inherit;
}

.b-desk {
    background: url("../images/chanpin/product-desk.png") no-repeat center !important;
    background-size: 1200px 120px !important;
    position: relative;
    height: 120px;
}

@media (min-width: 992px) {
    .menu-navigation .container {
        width: 100%;
        padding: 0 10px;
    }
}

@media (min-width: 1200px) {
    .menu-navigation .container {
        width: 1170px;
        padding: 0 20px;
    }
}

.b-top-mask {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.75);
}

.b-top-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    min-width: 450px;
}

.b-top-title-line::before {
    content: "";
    display: inline-block;
    width: 60px;
    height: 1px;
    background: #f5f5f5;
    vertical-align: middle;
    margin-right: 20px;
    /* opacity: 0.8; */
}

.b-top-title-line::after {
    content: "";
    display: inline-block;
    width: 60px;
    height: 1px;
    background: #f5f5f5;
    vertical-align: middle;
    margin-left: 20px;
    /* opacity: 0.8; */
}

.b-top-title p, .b-top-title h1 {
    font-size: 24px;
    position: relative;
}

.b-top-title p:nth-child(2) {
    font-size: 16px;
    color: #eaeaea;
}

.echat-pro-type1 {
    display: flex;
    display: -webkit-flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    height: 750px;
}

.echat-pro-type2 {
    display: flex;
    display: -webkit-flex;
    flex-direction: row-reverse;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    height: 750px;
}

.small-height-prop-type2 {
    height: 650px;
}

.echat-pro-type1 h2, .echat-pro-type2 h2 {
    margin-bottom: 36px;
}

.echat-pro-type1 p, .echat-pro-type2 p {
    margin-bottom: 40px;
}

.echat-pro-type1 .echat-pro-right {
    padding-left: 36px;
    text-align: center;
}

.echat-pro-type2 .echat-pro-right {
    padding-right: 36px;
    text-align: center;
}

.echat-pro-type1 a, .echat-pro-type2 a {
    text-decoration: none;
    color: #f76d2b;
}

.echat-pro-type2 a.view-details, .echat-pro-type1 a.view-details {
    width: 255px;
    height: 40px;
    border-width: 1px;
    display: block;
    border-style: solid;
    border-color: #f76d2b;
    line-height: 40px;
    text-align: center;
}

.echat-pro-type2 a.view-details:hover, .echat-pro-type1 a.view-details:hover {
    background-color: #f76d2b;
    color: #fff;
}

.echat-pro-left {
    width: 35%;
}

.echat-pro-right {
    width: 55%;
    position: relative;
    /* display: flex;
    display: -webkit-flex;
    justify-content: center; */
}

.echat-pro-right img {
    max-width: 100%;
}

.echat-pro-img {
    overflow: hidden;
    position: relative;
}

.echat-pro-img img {
    max-width: 100%;
    position: absolute;
    top: -9999px;
    opacity: 0;
    transition: transform 0.3s ease;
    -webkit-transition: transform 0.3s ease;
    -o-transition: transform 0.3s ease;
    -moz-transition: transform 0.3s ease;
}

.echat-pro-type1 .echat-pro-img img {
    transform: translateX(60px);
}

.echat-pro-type2 .echat-pro-img img {
    transform: translateX(-60px);
}

.echat-pro-img img.showImg {
    position: static;
    top: 0;
    transform: translateX(0px);
    opacity: 1;
}

section:nth-child(even) {
    background: #f9f9f9;
}

/* c产品展示菜单 */

.echat-pro-ul {
    list-style: none;
    margin: 0;
    padding: 0;
    margin-bottom: 16px;
}

.echat-pro-ul h4 {
    margin: 5px 0;
}

.echat-pro-ul li {
    margin-top: 5px;
}

.echat-pro-ul li:hover .echat-pro-li-title {
    background: #f76d2b;
    color: #fff;
}

.echat-pro-li-title {
    padding: 10px 15px;
}

.echat-pro-ul li.show-this .echat-pro-li-title {
    background: #f76d2b;
    color: #fff;
}

.echat-pro-li-detail {
    display: none;
    line-height: 24px;
}

.show-this .echat-pro-li-detail {
    display: block;
}

.echat-pro-li-mg img {
    max-width: 100%;
}

.echat-pro-li-mg {
    /* display: none; */
    height: 0;
    overflow: hidden;
    transition: height 0.5s ease-in-out;
    -webkit-transition: height 0.5s ease-in-out;
    -moz-transition: height 0.5s ease-in-out;
    -o-transition: height 0.5s ease-in-out;
}

.span-big {
    font-size: 14px;
    line-height: 25px;
    color: #000000;
}

.span-small {
    font-size: 12px;
    line-height: 18px;
    margin-top: 50px;
    color: #ccc;
}

.echat-pro-menu {
    display: flex;
    display: -webkit-flex;
    flex-direction: row;
    justify-content: space-around;
}

.pro-menu-left {
    width: 300px;
    padding-right: 25px;
}

.pro-menu-left ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pro-menu-left li {
    margin-top: 10px;
}

.pro-menu-left li img {
    max-width: 100%;
}

.pro-menu-left li a {
    text-decoration: none;
    display: block;
    height: 30px;
    line-height: 30px;
    color: #898989;
}

.pro-menu-left li a:hover {
    color: #f76d2b;
}

.pro-menu-left>ul>li>a::before {
    width: 3px;
    height: 20px;
    content: "";
    display: inline-block;
    background: #e2dddc;
    position: relative;
    top: 5px;
    margin-right: 10px;
}

.pro-menu-left>ul>li:hover>a::before {
    background: #f76d2b;
}

.pro-menu-img {
    height: 0;
    opacity: 0;
    overflow: hidden;
}

.pro-menu-img-show {
    height: 165px;
    opacity: 1;
    transition: all 0.3s ease-in-out;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
}

.pro-menu-right {
    width: calc(100% - 300px);
    position: relative;
    overflow: hidden;
    min-height: 340px;
}

.pro-menu-cntr {
    width: 100%;
    border-left: 1px solid #e2dddc;
    padding-left: 25px;
}

.pro-menu-cntr+.pro-menu-cntr {
    display: none;
}

.pro-menu-list {
    width: 100%;
    display: flex;
    display: -webkit-flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: initial;
    padding: 20px 0;
}

.pro-menu-item {
    min-width: 188px;
    width: 22%;
    height: 50px;
    line-height: 50px;
    border-bottom: 1px solid #f0f0f0;
    margin-left: 3%;
}

.pro-menu-item a {
    display: block;
    text-decoration: none;
    color: #898989;
    padding-left: 20px;
}

.bottom-sec {
    padding: 80px 0;
}

.pro-menu-item a:hover {
    color: #f76d2b;
}

.pro-menu-phone {
    display: none;
}

.pro-index-h1 {
    font-size: 30px;
    font-weight: 600;
    margin-bottom: 40px;
    margin-top: 100px;
    text-align: center;
}

.pro-index-subhead {
    font-size: 16px;
    text-align: center;
}

@media screen and (min-width:1280px) {
    .container {
        width: 1250px;
        padding: 0;
    }
}

@media screen and (max-width:768px) {
    section {
        overflow: hidden;
    }
    .echat-pro-type1, .echat-pro-type2 {
        flex-direction: column;
        height: auto;
        padding: 30px 0;
        overflow: hidden;
    }
    .echat-pro-left {
        width: 80%;
        margin-bottom: 16px;
    }
    .echat-pro-right {
        width: auto;
        align-self: auto;
        margin-left: 0;
        padding: 0 !important;
    }
    .echat-pro-type1 h2, .echat-pro-type2 h2 {
        margin-bottom: 16px;
    }
    .echat-pro-type1 p, .echat-pro-type2 p {
        margin-bottom: 16px;
    }
    .echat-pro-right-hide {
        display: none;
    }
    /* .show-this .echat-pro-li-mg {
        display: block;
    } */
    .echat-pro-li-mg-show {
        height: 350px;
        transition: height 0.5s sease-in-out;
        -webkit-transition: height 0.5s ease-in-out;
        -moz-transition: height 0.5s ease-in-out;
        -o-transition: height 0.5s ease-in-out;
    }
    .echat-pro-li-mg {
        margin-top: 10px;
        display: flex;
        display: -webkit-flex;
        align-items: center;
    }
    .echat-pro-menu {
        flex-direction: column;
        align-items: center;
    }
    .pro-menu-right, .pro-menu-left {
        width: 90%;
    }
    .pro-menu-right {
        margin-top: 30px;
    }
    .pro-menu-cntr {
        border: 1px solid #e2dddc;
    }
    .echat-pro-li-mg img {
        max-width: 70%;
    }
    .pro-menu-phone {
        display: block;
        border: 0;
    }
    .pro-menu-right {
        display: none;
    }
    .pro-menu-item a {
        line-height: 50px !important;
    }
}

@media screen and (max-width:550px) {
    .echat-pro-li-mg img {
        max-width: 100%;
    }
    .pro-menu-list {
        justify-content: space-between;
    }
    .pro-menu-item {
        max-width: 45%;
        min-width: 45%;
        margin: 0;
    }
}