.model_video_wrapper {
    margin: 20px 0px;
    width: 100%;
    height: 600px;
    border: #0f0 solid 0px;
}

.model_video_wrapper .video_wrapper {
    float: left;
    margin-left: 0px;
    width: 600px;
    height: 600px;
    border: #0f0 solid 0px;
    padding: 50px;
    box-sizing: border-box;
}

.model_video_wrapper .text_wrapper {
    width: 600px;
    height: 600px;
    float: right;
    padding: 50px;
    box-sizing: border-box;
}

.model_video_wrapper .text_wrapper .title {
    border: #0f0 solid 0px;
    height: 50px;
    width: 100%;
    font-weight: bold;
    font-size: 32px;
    /*    text-align: center;*/
    color: #0099A8;
    margin-top: 100px;
}

.model_video_wrapper .text_wrapper ul {
    margin: 0px;
    padding: 0px 30px;
    box-sizing: border-box;
    display: inline-block;
}

.model_video_wrapper .text_wrapper ul li {
    /*    display: inline-block;*/
    width: 100%;
    padding: 0px 0px;
    list-style-type: disc;
    list-style-type: disc;
    list-style-position: outside;
}

.model_video_wrapper .text_wrapper ul li::marker {
    color: #666;
}
.model_video_wrapper .text_wrapper ul li::marker {
    color: #666;
}

.model_video_wrapper .text_wrapper .content {
    padding: 0px 0px;
    box-sizing: border-box;
    font-size: 14px;
    text-align: center;
    text-align: left;
    line-height: 30px;
    color: #666;
    /*    text-indent: 2em;*/
}


.device_layout_wrapper {
    width: 1200px;
    height: 750px;
    border: #0f0 solid 0px;
    padding: 0px;
}

.device_layout_wrapper .title {
    float: left;
    width: 100%;
    height: 100px;
    line-height: 100px;
    text-align: center;
    color: #666;
    font-size: 32px;
    font-weight: bold;
}

.device_layout_wrapper_pc_detial {
    float: left;
    /*margin-top:-100px; */
    margin-left: 0px;
    width: 800px;
    height: 600px;
    border: #0f0 solid 0px;
    background-image: url('../images/3d_image_pc_detail.png');
    /*background-size: 800px 600px;*/
    background-size: 750px auto;
    background-repeat: no-repeat;
    background-position: center center;
}

.device_layout_wrapper_mobile_detail {
    float: left;
    width: 400px;
    height: 600px;
    border: #0f0 solid 0px;
    background-image: url('../images/3d_image_mobile_detail.png');
    /*background-size: 300px 600px;*/
    background-size: 300px auto;
    background-repeat: no-repeat;
    background-position: center center;
}

.our_advantages_wrapper {
    width: 1200px;
    height: 550px;
}

.our_advantages_wrapper .title {
    width: 100%;
    height: 100px;
    line-height: 100px;
    text-align: center;
    color: #666;
    font-size: 32px;
    font-weight: bold;
}

.our_advantages_wrapper .content {
    display: block;
}

.our_advantages_wrapper .content ul {
    /*margin: 0px;
    padding: 0px;*/
    display: inline-block;
    text-indent: 0em;
    font-size: 14px;
}

.our_advantages_wrapper .content ul li {
    list-style-type: disc;
    list-style-position: outside;
    color: #666;
}
.our_advantages_wrapper .content ul li p{
    line-height: 30px;
}


.demo_video_wrapper {
    width: 1200px;
    height: 550px;
}

.demo_video_wrapper .left {
    float: left;
    width: 850px;
    height: 500px;
    background-image: url("../images/icons8-youtube-500.png");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 200px 200px;
    border: #ddd solid 1px;
}

.demo_video_wrapper .right {
    float: right;
    width: 300px;
    height: 500px;
    background-image: url("../images/icons8-youtube-500.png");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 200px 200px;
    border: #ddd solid 1px;
}

.video_model_wrapper {
    width: 1200px;
    height: 550px;
}

.video_model_wrapper .left {
    float: left;
    width: 575px height:500px;
    background-image: url("../images/icons8-youtube-500.png");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 200px 200px;
    border: #ddd solid 1px;
}

.video_model_wrapper .right {
    float: right;
    width: 575px height:500px;
    background-image: url("../images/icons8-youtube-500.png");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 200px 200px;
    border: #ddd solid 1px;
}

.online_demo_wrapper {
    width: 1200px;
    height: 400px;
    border: #0f0 solid 0px;
}

.online_demo_wrapper .title {
    float: left;
    width: 100%;
    height: 100px;
    line-height: 100px;
    text-align: center;
    color: #666;
    font-size: 24px;
    font-weight: bold;
}



.video_demo_wrapper {
    display: none;
    width: 1200px;
    height: 700px;
    border: #0f0 solid 0px;
}

.video_demo_wrapper .title {
    float: left;
    width: 100%;
    height: 100px;
    line-height: 100px;
    text-align: center;
    color: #666;
    font-size: 24px;
    font-weight: bold;
}


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

.online_demo table {
    width: 100%;
    font-family: verdana, arial, sans-serif;
    font-size: 14px;
    color: #666;
    border-width: 1px;
    border-color: #eee;
    border-collapse: collapse;

}

.online_demo table th {
    background: #0099A8;
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #eee;
    color: #fff;
    background: #F8F8F8;
    color: #666;
}

.online_demo table td {
    /*    background: #eee;*/
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #eee;
    font-size: 14px;
    font-weight: normal;
}

.online_demo table tr:nth-child(even) {
    background: #eee;
    background: #F8F8F8;
    font-size: 14px;
}

.online_demo table tr:nth-child(odd) {
    background: #FFF;
    font-size: 14px;
}

.online_demo table td a {
    color: #0099A8;
    font-weight: bold;
}


.pre_sales_wrapper {
    width: 1200px;
    color: #666;
}

.pre_sales_wrapper .title {
    width: 100%;
    height: 100px;
    line-height: 100px;
    text-align: center;
    color: #666;
    font-size: 32px;
    font-weight: bold;
}

.pre_sales_wrapper .table_wrapper table {
    width: 100%;
    /*    font-family: verdana, arial, sans-serif;*/
    font-size: 14px;
    color: #666;
    border-width: 1px;
    border-color: #999999;
    border-collapse: collapse;
}

.pre_sales_wrapper .table_wrapper table th {
    background: #F8F8F8;
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #eee;
    color: #666;
}

.pre_sales_wrapper .table_wrapper table td {
    /*    background: #eee;*/
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #eee;
    text-align: center;
    color: #666;
}

.pre_sales_wrapper .table_wrapper table tr:nth-child(even) {
    background: #eee;
    background: #F8F8F8;
}

.pre_sales_wrapper .table_wrapper table tr:nth-child(odd) {
    background: #FFF
}

.pre_sales_wrapper .description {
    line-height: 30px;
    text-indent: 2rem;
    font-weight: normal;
    font-size: 14px;
}

.after_sales_wrapper {
    width: 1200px;
    color: #666;
}

.after_sales_wrapper .title {
    width: 100%;
    height: 100px;
    line-height: 100px;
    text-align: center;
    color: #666;
    font-size: 32px;
    font-weight: bold;
}

.after_sales_wrapper .description {
    line-height: 30px;
    text-indent: 2rem;
    font-size: 14px;
}


.faq_wrapper {
    width: 1200px;
    color: #666;
}

.faq_wrapper .title {
    width: 100%;
    font-size: 24px;
    font-weight: bold;
    text-align: center;
}

.faq_wrapper .faq_content {
    width: 100%;
    display: inline-block;
    padding: 20px 0px;
}

.faq_wrapper .faq_content .question_wrapper {
    display: block;
    padding: 20px 0px;
    cursor: pointer;
}

.faq_wrapper .faq_content .index {
    display: inline-block;
    font-weight: bold;
    font-size: 18px;
    color: #0099A8;
    margin-right: 20px;
}

.faq_wrapper .faq_content .question {
    display: inline-block;
    font-size: 18px;
    font-weight: bold;
}

.faq_wrapper .faq_content .ico_arrow {
    color: #666;
    cursor: pointer;
    font-size: 18px;
    line-height: 18px;
    margin: 0px;
    word-wrap: break-word;
    width: 30px;
    height: 30px;
    border: #0f0 solid 0px;
    background-image: url(../images/faq_jiantou.png);
    background-size: 20px auto;
    background-position: center center;
    background-repeat: no-repeat;
    transition: all 0.4s;
    display: inline-block;
    float: right;
}

.faq_wrapper .faq_content .ico_arrow_selected {
    transform: rotate(180deg);
}

.faq_wrapper .faq_content .answer {
    font-size: 14px;
    text-indent: 2rem;
    line-height: 30px;

    display: none;
}

/*    .faq_wrapper .faq_content .answer_show{
        transition: all 0.4s;
        display: inline-block;
    } */

.faq_wrapper .faq_content ul {
    /*margin: 0px;
        padding: 0px;*/
    display: inline-block;
}

.faq_wrapper .faq_content ul li {
    display: inline-block;
    list-style: none;
    width: 100%;
    border-bottom: #cecece solid 1px;
    padding: 20px 0px;
}

.faq_wrapper .faq_content ul li a {
    color: #666;
    font-weight: bold;
}


.faq_wrapper table {
    width: 100%;
    /*    font-family: verdana, arial, sans-serif;*/
    font-size: 14px;
    color: #666;
    border-width: 1px;
    border-color: #eee;
    border-collapse: collapse;

}

.faq_wrapper table th {
    background: #0099A8;
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #eee;
    color: #fff;
    background: #F8F8F8;
    color: #666;
}

.faq_wrapper table td {
    /*    background: #eee;*/
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #eee;
}

.faq_wrapper table tr:nth-child(even) {
    background: #eee;
    background: #F8F8F8;
}

.faq_wrapper table tr:nth-child(odd) {
    background: #FFF
}

.faq_wrapper table td a {
    color: #0099A8;
    font-weight: bold;
}

.collaborate_customer_wrapper {
    width: 1200px;
    color: #666;
    margin-bottom: 30px;
}

.collaborate_customer_wrapper .title {
    width: 100%;
    height: 100px;
    line-height: 100px;
    text-align: center;
    color: #666;
    font-size: 32px;
    font-weight: bold;
}

.collaborate_customer_wrapper .description {
    line-height: 30px;
    text-indent: 2rem;
    font-size: 14px;
    padding: 20px 0px;
}



.collaborate_customer_wrapper table {
    margin-top: 0px;
    border-collapse: collapse;
    border: 1px solid #ccc;
}

.collaborate_customer_wrapper td {
    border: 1px solid #ccc;
    padding: 0px;
}

.collaborate_customer_wrapper a {
    display: inline-block;
}

.collaborate_customer_wrapper img {
    width: 200px;
}