.video_bg{
    display: none;
}
#tec_video{
    position: fixed;
    top:0px;
    bottom:0px;
    left:0px;
    right:0px;
}
.activity_summary{
    position: relative;
    z-index: 1;
    margin-top:-183px;
}
.banner_pc{
    margin-bottom: 10px;
    margin-top: 4px;
}
/*.activity_summary{
    background: url('../images/activity_summary_bg.png') no-repeat;
    background-size: 100% 64%;
    background-position-y: 230px;
    padding-bottom: 100px;
    position: relative;
}*/
.activity_summary>div{
    position: relative;
    z-index: 2;
}
/*.activity_summary_background{
    width: 100%;
    height: 100%;
    position: absolute !important;
    top: 0px;
    left: 0px;
    background-color: rgba(22,29,38,.8);
    z-index: 1 !important;
}*/
.activity_summary img{
    margin-top: 50px;
}
#registration,
#partner,
#speaker{
    position: relative;
    display: block;
    top: -110px;
}

/* banenr  */
.banner_bg{
    width: 100%;
    height: 110px;
}
.banner{
    width: 100%;
    background: url(../images/banner.png?v=20230811) center center no-repeat;
    height: 1119px;
    background-size: cover;
    position: relative;
}
.banner_class_pc{
    position: absolute;
    top:110px;
    left:0px;
    right:0px;
    z-index:9;
}
.banner_img>div .fr{
    position: relative;
    top:10px;
}
.timeAndAddress{
    width: 674px;
    font-weight: 500;
    text-align: left;
    color: #ffffff;
    line-height: 25px;
    margin: 0 auto 40px;
    padding-left: 250px;
    box-sizing: border-box;
    font-size: 18px;

}
.btn_sign{
    width: 160px;
    height: 50px;
    background: #03F6BF;
    border-radius: 25px;
    display: block;
    margin:0 auto;
    color: #000000;
    line-height:50px;
    text-align: center;
    font-size:16px;
    margin-bottom: 15px;
    cursor: pointer;
    font-weight: bold;
}
.btn_sign:hover{
    background:   #03D1A3;
}
.banner>img{
    width: 100%;
    min-width: 1240px;
}
.tipOrShear{
    position: absolute!important;
    right: 50%;
    bottom: 143px;
    transform: translateX(50%);
}
/* activity_summary */
.activity_summary_mian{
    width: 1420px;
    margin: 0 auto;
    overflow: hidden;
}
.activity_summary_mian>h2{
    
}
.activity_summary_home{
    display: -webkit-flex;
    display: flex; 
    justify-content: space-between;
    align-items: center;
    width: 1420px;
    height: 410px; 
    margin-bottom: 0px;
    box-sizing:border-box;
    background: #0F273B;
    padding:0 32px;
/*  margin-top: 50px;*/
}
.activity_summary_home_left{
    width: 840px;
    padding: 0;
    font-size: 16px;
    line-height: 28px;
    color: #fff;
    box-sizing: border-box;
}
.activity_summary_home_right{
    width: 480px;
    height: 320px;
    overflow: hidden;
}
.activity_summary_home_right>img{
    width: 100%;
    height: 100%;
    margin-top: 0;
}
.video_bg{
    width: 100%;
    min-height: 1020px;
    object-fit: cover;
     /*position: absolute;
    top:0px;
    bottom:0px;
    right:0px;
    left:0px;
    background-color: rgba(34,34,34,0.7);
    z-index: 1;*/
}
.video_bg_box{
    position: relative;
}
.order_content{
    position: relative;
    top:0px;
    bottom:0px;
    right:0px;
    left:0px;
    z-index: 2;
}
.video_bg_box1{/*
    height: 843px;*/
    overflow: hidden;
}

/* forum */
.sub_forum{
   /* background-color: #263142;
    background-image: url('../images/Clip.png');
    background-size: 100% 100%;
    padding-bottom: 100px;*/
    padding-top: 30px;
}
.sub_forum_text{
    width: 600px;
    color: #cecece;
    font-size:16px;
    float:right;
    line-height: 28px;
    margin-top: -116px;
}
.sub_forum_text a{
    font-size: 16px;
    font-weight: 500;
    color: #03F6BF;
}
.sub_forum_text a:hover{
    color:#61CAFF;
}

.sub_forum_box_left_right{
    width: 425px;
    height:585px;
    background: #00296a;
    margin-right: 5px;
}
.sub_forum_box_left{
    width: 990px;
}
.sub_forum_box_left li{
    float:left;
    width: 490px;
    height:290px;
    background: #00296a;
    margin-bottom: 5px;
    box-sizing: border-box;
    padding-left: 23px;
    position: relative;
}
.sub_forum_btn_group{
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.sub_forum_btn_group a{
    width: 140px;
    height: 48px;
    background: #183853;
    border-radius: 24px; 
    text-align: center;
    line-height: 48px;
    margin-right: 20px;
    font-size: 18px;
    font-weight: 400;
    color: #ffffff;
}
.sub_forum_btn_group a:hover{
    background: #3A566D;
}
.sub_forum_btn_group a.sub_forum_btn2{
    background: #03f6bf;
    color: #000000;
}
.sub_forum_btn_group a.sub_forum_btn2:hover{
    background:#03D1A3
}
.sub_forum_box_left li.w242{
    width: 324px;
}
.sub_forum_box_left li.w242 .fl {
    float: unset;
}
.sub_forum_box_left li.mr6{
    margin-right: 6px;
}
.sub_forum_box_left li.w242 h3{
    font-size: 20px;
    line-height: 30px;
    padding-top: 20px;
    margin-bottom: 0;
    text-align: center;
    margin: 0 auto;
}
.sub_forum_box_left li.w242 h4{
    font-size: 12px;
    line-height: 23px;
    padding-top: 0px;
    margin-bottom: 0;
    text-align: center;
    color: #D5D5D5
}
.sub_forum_box_left li.w242 .min-img{
   padding-top: 5px;
   padding-bottom: 10px;
   margin-right: 0;
   width: 100%;
   text-align: center;     
}
.sub_forum_box_left li.w242 .sub_forum_btn {
    left: 50%;
    margin-left: -80px;
}
.sub_forum_box_left li.w242 .sub_forum_btn a:last-child {
    margin-right: 0;
}
    
.sub_forum_box_left_right h3,.sub_forum_box_left h3{
    font-size: 24px;
    font-family: PingFang SC, PingFang SC-Bold;
    font-weight: 700;
    color: #f5f5f5;
    padding-top: 35px;
    margin-bottom: 8px;
    width: 200px;
    white-space: nowrap;
}
.sub_forum_box_left_right h3{
    font-size:36px;
}
.sub_forum_new_left h3{
    font-size: 32px;
    font-weight: 700;
    text-align: left;
    color: #f5f5f5;
    line-height: 45px;
}
.sub_forum_box_flex{
    display: flex;
    align-items:center;
    justify-content: space-between;
}
.sub_forum_box_flex>div{
    display: flex;
    align-items:center;
    justify-content: space-between; 
    width: 700px;
    height: 400px;
    background: #0f273b;
    padding: 40px 40px 0;
    box-sizing: border-box;
}
.sub_forum_address{
    display: block;
    opacity: 0.8;
    font-size: 18px;
    font-weight: 400;
    text-align: left;
    color: #ffffff;
    line-height: 25px;
    letter-spacing: -0.18px;
    margin-top: 12px;
    margin-bottom: 190px;
}
 .sub_forum_btn{
    position: absolute;
    bottom: 40px;
    left: 30px;
}
 .sub_forum_btn a{
    display: inline-block;
    width: 88px;
    height:32px;
    text-align: center;
    line-height: 32px;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    margin-right: 10px;
    border-radius: 20px;
}
.sub_forum_btn a:first-child{
    background: #4d6ea2;
    color: #FFFFFF;
}
.sub_forum_btn a:first-child:hover{
    background: #3C5988;
}
.sub_forum_new_right{
    width: 260px;
    height: 260px;
    overflow: hidden;
}
.sub_forum_new_right img{
    display: block;
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}
.sub_forum_new_right:hover img{
    transform: scale(1.2);
}
img.addMap{
    display: block;
    margin: 0 auto;
}
.sub_forum_btn a:last-child{
    background: #00ABFF;
    color: #f5f5f5;
}
.sub_forum_btn a:last-child:hover{
    background: #006DCC;
}
.sub_forum_box_left_right h4,.sub_forum_box_left h4{
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #d5d5d5;
}
.sub_forum_box_left_right h4 span,.sub_forum_box_left h4 span{
    margin-left: 6px;
}
.sub_forum_box_left li{
    margin-right:5px;
}
.sub_forum_box_left  .sub_forum_img{
    padding-top: 25px;
    height:100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 31px;
    overflow: hidden;
}
.sub_forum_box_left  .sub_forum_img:hover img,.sub_forum5:hover img{
    transform: scale(1.2);
}
.sub_forum_box_left  .sub_forum_img img,.sub_forum5 img{
  /*  width: 221px;*/
    transition: all 0.5s;
}
.sub_forum_box_left_right{
    position:relative;
    padding-left: 23px;
    box-sizing: border-box;
}
.sub_forum5{
    text-align: center;
    overflow: hidden;
    padding-top: 55px;
}
.tit_desc{
    width: 600px;
    position: absolute;
    font-size: 14px;
    top: 60px;
    right: 0;
    font-size: 16px;
    line-height: 28px;
    color: #cecece;
}

.tips{
    text-align: center !important;
    border: none !important;
    background: rgb(182, 186, 193) !important;
}
#sign_index_href{
    position: relative;
    top:-110px;
}
@keyframes wateranimate {
    0% {
        -webkit-transform: scale(1);
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        -webkit-transform: scale(1.5);
        transform: scale(1.5);
        opacity: 0;
    }
}


.water{
    width: 120px;
    height: 140px;
    position: absolute;
    z-index: 998;
}

.waters1{
    width: 206px;
    height: 240px;
}
            
.water_item{
    width: 100%;
    height: 50%;
    position: absolute;
    top: 25%;
    left: 0%;
    opacity: 0;
}

.water_son{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    border-left: 1px #888 solid;
    border-right: 1px #888 solid;
    border-top: 0px #ccc solid;
    border-bottom: 0px #ccc solid;
    box-sizing: border-box;
}

.water_son:nth-child(2){
    transform: rotate(60deg);
}

.water_son:nth-child(3){
    transform: rotate(-60deg);
}

/* .water_son{
    width: 100%;
    height: 100%;
    border: 1px solid red;
    box-sizing: border-box;
    border-radius: 50%;
    opacity: 0;
}*/
/* .forum_icon a:first-child .water{
    position: absolute;
    left: -96px;
    top: -96px;
}
.forum_icon a:last-child .water{
    position: absolute;
    width: 330px;
    left: -98px;
    top: -110px;
    height: 330px;
} */
.water1 {
    -webkit-animation: wateranimate 5s 5s ease-out infinite;
    animation: wateranimate 5s 5s ease-out infinite;
}           
.water2 {
    -webkit-animation: wateranimate 5s 4s ease-out infinite;
    animation: wateranimate 5s 4s ease-out infinite;
}           
.water3 {
    -webkit-animation: wateranimate 5s 3s ease-out infinite;
    animation: wateranimate 5s 3s ease-out infinite;
}           
.water4 {
    -webkit-animation: wateranimate 5s 2s ease-out infinite;
    animation: wateranimate 5s 2s ease-out infinite;
} 
.water5 {
    -webkit-animation: wateranimate 5s 1s ease-out infinite;
    animation: wateranimate 5s 1s ease-out infinite;
}  
.water6 {
    -webkit-animation: wateranimate 5s 0s ease-out infinite;
    animation: wateranimate 5s 0s ease-out infinite;
}

/* 演讲嘉宾 */
/*#tec_video3{
    height:1046px;
}*/
.order_content2{
}
.speakers{
    clear: both;
    padding-top:30px;
    padding-bottom: 40px;
}
.speakers .swiper-wrapper{
    width: 1240px;
    margin: 0px auto;
}
.speak_item{
    display: inline-block;
    width: 17%;
    margin: 0 5px 13px 5px;
    vertical-align: top;
}
.speak_item img{
    vertical-align: bottom;
    width: 100%;
}
.speak_item p{
    height: 38px;
    margin-top: 5px;
}
.speak_item div{
    border-radius: 0px 0px 8px 8px;
    padding: 10px;
    box-sizing: border-box;
    color: #fff;
    background: url(../images/speack_logo.png) top right no-repeat;
    background-color: #00296a;
}

.speakers .swiper-button-next.swiper-button-white,.speakers  .swiper-container-rtl .swiper-button-prev.swiper-button-white{
    background:url(../images/next.png);
}

.speakers .swiper-button-next.swiper-button-white:hover,.speakers  .swiper-container-rtl .swiper-button-prev.swiper-button-white:hover{
    background:url(../images/next1.png);
}
.speakers .swiper-button-prev.swiper-button-white,.speakers .swiper-container-rtl .swiper-button-next.swiper-button-white{
    background:url(../images/prev.png);
}
.speakers .swiper-button-prev.swiper-button-white:hover,.speakers .swiper-container-rtl .swiper-button-next.swiper-button-white:hover{
    background:url(../images/prev1.png);
}
.speakers .swiper-button-prev{
    left:41px;
}
.speakers .swiper-button-next,.speakers .swiper-button-prev{
    width: 48px;
    height:48px;
    top: 47.5%;
}
/* sponsors */
.sponsors{
   /* background: #263142;
    padding: 20px 0 50px 0;
    margin: 50px 0 0 0;*/
    margin-bottom: 80px;
}
.j-mqrquee {
    overflow: hidden;
}
.j-marquee-box {
    display: block;
    zoom: 1;
    width: 1000%;
}

.sponsors ul{
    margin: 0 auto;
}
.sponsors li{
    float: left;
    width: 225px;
    text-align: center;
    line-height: 85px;
    margin-right: 20px;
    padding: 0 10px;
    box-sizing: border-box;
}
.sponsors li img{
    width: auto;
    height: 100%;
    max-width: 100%;
    width: 100%;
    margin: 0;
    vertical-align: middle;
}
.registration{
    padding: 73px 0 40px 0;
    background: #0C2031
}
.registration_title{
    position: relative;
    bottom: 0px;
    left:0px;
    right:0px;
    width: 1420px;
    transform: translate(-50%,0px);
}
.video_bg_box4{
   /* background-color: rgba(37,37,37,0.7);*/
}
.join{
    padding-bottom: 30px;
}
/* 会议报名 */

#submit_form{
    width: 62%;
    margin: 0 auto;
    font-size: 16px;
}
#submit_form label{
    display: inline-block;
    margin-bottom: 20px;
    height: 35px;
    line-height: 35px;
}
#address_select>div{
   display: inline-block;
    width: auto;
}
#submit_form input[type="text"]{
    width: 330px;
    margin-left: 10px;
    height: 100%;
    margin-right: 50px;
    border: none;
    border-radius: 3px;
    padding-left: 5px;
    box-sizing: border-box;
    color: #fff;
    outline: none;
}
#submit_form select{
    width: 330px;
    margin-left: 5px;
    height: 100%;
    border: none;
    color: #999;
    border-radius: 3px;
    outline: none;
}  
#submit_form .form_hy{
    margin-right: 50px;
}
.icon_form{
   color:#F8E522;
   margin-right: 5px; 
}
#submit_form input[type="text"],#submit_form select{
    background: rgba(255,255,255,0.15);
}
#submit_form select[disabled]{
    opacity: 1!important;
    color: #fff!important;
}
.checkbox_box{
    position: relative;
}
.checkbox_box h6{
    font-weight: normal;
    margin: 20px 0 5px 0;
}
#submit_form .checkbox_box label{
    display: inline-block;
   
    margin-bottom: 0;
    margin-left: 20px;
}
#address_select select{
    width: 160px;
    height: 35px;
}
.checkbox_box label input{
    vertical-align: middle;
    margin-right: 3px;
}
.submit{
    border: none;
    font-size: 18px;
    color: #030F1B;
    display: block;
    margin: 50px auto 0 ;
    width: 240px;
    height: 56px;
    opacity: 1;
    background: #03F6BF;
    border-radius: 25px;
    font-weight: 700;
}
.submit:hover{
    background: #03D1A3;
}

.checkbox {
    position: relative;
    height: 30px; 
    margin-bottom: 0;
    margin-left: -11px;
    box-sizing: border-box;
    white-space: nowrap;
}
.checkbox input[type='checkbox'] {
    position: absolute;
    left: 0;
    top: 0;
    width: 16px;
    height: 16px;
    opacity: 0;
}
.checkbox label {
    position: absolute;
    left: 30px;
    top: 0;
    height: 20px;
    line-height: 20px;
}
.checkbox label:before {
    content: '';
    position: absolute;
    left: -26px;
    top: 10px;
    width: 16px;
    height: 16px;
    border: 1px solid #ddd;
    border-radius: 50%;
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    background: rgba(0,0,0,0.00);
    border: 1px solid #a0a0a0;
    border-radius: 4px;
}

.checkbox label:after {
    content: '';
   /* position: absolute;
    left: -22px;
    top: 3px;
    width: 6px;
    height: 12px;
    border: 0;
    border-right: 1px solid #fff;
    border-bottom: 1px solid #fff;
    background: #fff;
    transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;*/
}

.checkbox input[type='checkbox']:checked + label:before {
    background:url(../images/input_icon.png) center center no-repeat;
    border-color: transparent;
}
.checkbox input[type='checkbox']:checked + label{
    color:#03F6BF;
}
.checkbox input[type='checkbox']:checked + label:after {
    background: #03F6BF;
}
.partner_bg{
    padding-top:00px;
    padding-bottom:     80px;
}
.partner_bg .title{
    padding-bottom: 0px;
}
.partner_box{
    text-align: left;
}
.partner_box p{
    padding-top: 48px;
    padding-bottom: 29px;
    color:#CECECE;
}

/* 地址 */
.address{
    padding: 70px 0 50px 0; 
}
.address h2{
    display: inline-block;
    vertical-align: top;
}
.address img.pc_map{ 
    display: block;
    margin: 0 auto;
    margin-top: -119px;
}
.pc_show{
    display: block!important;
}
.m_show{
    display: none!important;
}
.aside_pc_show{
    display:block!important;
}
.aside_m_show{
    display:none!important;
}
.aside_m_pc a{
    display: inline-block;
}
.aside_m_pc{
    position: fixed;
    bottom:10px;
    left:10px;
    z-index: 999;
}
.aside_m_pc img{
    width:120px;
}
.aside_m_pc i {
    display: block;
    position: absolute;
    right: -3px;
    top: -12px;
    z-index: 999;
    width: 15px;
    height: 15px;
    cursor: pointer;
    text-align: center;
    font-size: 22px;
}
.banner_m{
    display: none
}
.sub_forum_btn a.disa,.disa{
    cursor: not-allowed;
    opacity: 0.3;
    color: #fff;
    background: #ccc;
}
.sub_forum_btn a.disa:hover{
    color: #fff;
    background: #ccc;
}
/*延期弹框样式*/
.later_meeting_pop{
    position: fixed;    
    top:0px;
    left:0px;
    bottom:0px;
    right:0px;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;
    display: none;
}
.later_meeting_box{
    width:800px;
    position: absolute;
    top:50%;
    left: 50%;
    transform: translate(-50%,-50%);
    border-radius: 5px;
    background-color: #fff;
    color: #333;
    box-sizing: border-box;
    padding:30px;
}
.later_meeting_box h3{
    font-size: 24px;
    text-align: center;
}
.later_meeting_box p{
    font-size: 16px;
    line-height: 1.8;
}
.later_meeting_box p.text_inddent{
    text-indent: 2em;
}
.later_meeting_box p.tlr{
    text-align: right;
}
.text_p_1{
    margin: 5px 0;
}
.later_meeting_button a{
    display: block;
    margin:10px auto 0 auto;
    padding:6px 0;
    width: 70px;
    text-align: center;
    color: #fff;
    font-size: 18px;
    border-radius: 5px;
    background: #1a70f0;
}
.later_meeting_close{
    position: absolute;
    right:10px;
    top:1px;
    color: #ccc;
    font-size: 2.5em;
    font-family: serif;
    font-weight: 700;
}
.form_tips{
    font-size: 12px;
    font-weight: 400;
    text-align: left;
    color: #CFD3D7;
    line-height: 18px;
    margin-top: 30px;
    margin-bottom: 30px;
}
@media screen and (max-width: 800px){
    .m_show{
        display:block;
    }
    .speak_item div{
        font-size: 12px;
      
    }
    .sub_forum_box_left_right ,.banner_pc{
        display: none
    }
    .banner_m{
        display: inline-block;
    }
    .aside_m_show{
        display:block !important;
        width: 1.02rem;
        height: 1.13rem;
    }
    .aside_pc_show{
        display:none!important;
    }
    .aside_m_pc{
       /* top: 0px;
        left: 0px;
        right: 0px;*/
        background: rgba(0,0,0,0.5);
       /* bottom: 0px;*/
      /*  width: 100%;
        height: 100%;*/
        z-index: 99999;

    }

    .aside_m_pc img{
        width: 120px;
    }
    .aside_m_pc i{
        width: auto;
        height:auto;
        font-size: 14px;
    }
     .aside_m_pc i span{
        font-size: 14px;
     }
    .aside_m_pc>div{
       position: fixed;
        top: 50%;
        left: 77%;
        transform: translate(-50%,-50%);
    }
    html{
        font-size: 13.33333vw
    }
    body{
        width: 100vw;
    }
    .banner_bg{
        display: none;
    }
    .activity_summary_mian>h2{
        margin-left: 0.3rem;
    }
    .pc_activity,
    .tipOrShear,
    .pc_partner,
    .pc_join,
    .pc_speakers,
    .pc_map{
        display: none;
    }
    .m_activity,
    .m_partner,
    .m_join,
    .m_speakers,
    .m_map{
        display: block;
    }
    .join{
        padding: 0;
    }
    .title {
        padding-top: .8rem ;
        padding-bottom: 0.4rem;
        font-size: .4rem;
        line-height: 0.28rem;
    }
    .title b {
        font-size: .5rem;
        margin-bottom: 6px;
        font-weight: bold;
        display: inline-block;
    }
    .banner{
        margin-top: 1rem;
        width: 100%;
        background:url(../images/mobile/banner.png?v=20230811) no-repeat;
        background-size:100% 10.2rem;
        height:10.2rem;
    }
    .banner_class_pc {
        top: 2.9rem;
    }
    .banner_img>div{
        width:6.4rem!important;
        margin:0 auto!important;
        margin-top:1rem!important;
    }
    #tec_video{
        display: none;
    }
    .btn_sign {
        width: 2.7rem;
        height: 0.72rem;
        line-height: 0.72rem;
        font-size: 0.3rem;
    }
    .video_bg{
        display: none;
    }
    .order_content{
        position: relative;
    }
    #tec_video {
        object-fit: cover;
        min-height:10.2rem!important;
    }
    .banner_img>div .fl img{
        width:1.69rem;
    }
    .banner_img>div .fr>div:first-child img{
        width:4.29rem;
    }
    .banner_img>div .fr>div:last-child img{
        width:4.34rem;
    }
    #container,.order_content {
       /* background: #05060b!important;*/
        position: relative;
    }
    .video_bg_box3 .title{
        margin-left: 0px;
    }
    .activity_summary{
        margin-top: 0px;
       /* background: #05060b;*/
        top:0px;
    }
    .activity_summary_mian{
        width: 100vw;
        margin: 0 auto;
        overflow: hidden;
    }
    .activity_summary_home{
        width: 100%;
        height: auto;
        margin-top:0rem;
        margin-bottom: 0px;
            padding: 0;
        background: transparent;
    }
    .activity_summary_home_left{
        height: auto;
        background: #0C2031;
        border-radius: .2rem;
        font-size: .28rem;
        line-height: .5rem;
        padding: .48rem .3rem;
        box-sizing: border-box;
        color: #f5f5f5;
        margin: 0 0.3rem;
         opacity: 1;
    }
    .activity_summary_home_right{
        display: none;
    }

    section{
        padding: 0 ;
        box-sizing: border-box;
    }
    /*.activity_summary {
        background: url('../images/mobile/activity_summary_bg.png') no-repeat;
        background-size: 100% 100%;
        padding: 0 0 .8rem;
    }*/
   /* .activity_summary_background{
        opacity: 0.6;
        background: linear-gradient(180deg,rgba(34,34,34,0.00), #222222);
    }*/
    .activity_summary img {
        margin-top: .1rem;
    }
    .video_bg_box2{
       padding:0px 0.3rem;
    }
    .video_bg_box2 .title{
        margin-left: 0px;
    }
    .swiper-button-next, .swiper-container-rtl .swiper-button-prev{
        right:0px
    }
    .speakers .swiper-button-prev{
        left:0px;
    }
    .speakers .swiper-button-next, .swiper-container-rtl .swiper-button-prev{
        background:url(../images/next1.png) right center no-repeat;
    background-size: 0.48rem 0.48rem;
    }
   /* .speakers .swiper-button-next.swiper-button-white:hover,.speakers  .swiper-container-rtl .swiper-button-prev.swiper-button-white:hover{
        background:url(../images/next1.png);
    }*/
    .speakers .swiper-button-prev, .swiper-container-rtl .swiper-button-next{
        background:url(../images/prev1.png) left  center no-repeat;
    background-size: 0.48rem 0.48rem;
    }/*
    .speakers .swiper-button-prev.swiper-button-white:hover,.speakers .swiper-container-rtl .swiper-button-next.swiper-button-white:hover{
        background:url(../images/prev1.png);
    }*/
    .speakers .swiper-button-prev{
        left:41px;
    }
   /* .speakers .swiper-button-next,.speakers .swiper-button-prev{
        width:0.53rem;
        height:0.48rem;
        top:49%;
    }*/

    /*.m_speakers .swiper-slide>div{
        width:3.2rem;
        padding:0px;
        height:5rem;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .m_speakers .swiper-slide>div>div{
        padding:0px;
        height: 4rem;
        overflow: hidden;
    }
     .m_speakers .swiper-slide.swiper-slide-active>div>div{

        height:5rem;
     }
    .m_speakers .swiper-slide img{

        height: 3.6rem;
        object-fit: cover;
    }

    .m_speakers .swiper-slide {
        transition: all .3s;

        width: auto!important;

        width:100px;
        height:2!important;
         display: -webkit-box;
          display: -ms-flexbox;
          display: -webkit-flex;
          display: flex;
          -webkit-box-pack: center;
          -ms-flex-pack: center;
          -webkit-justify-content: center;
          justify-content: center;
          -webkit-box-align: center;
          -ms-flex-align: center;
          -webkit-align-items: center;
          align-items: center;
          column-count:2;
    }
    .m_speakers .swiper-slide-prev {
        width:100px;
        visibility: visible;
    }
    .m_speakers .swiper-slide-active {
        position: relative;
        z-index: 1;
        transform: scale(1)!important;
        width:auto!important;
        height:auto!important;
    }
     .m_speakers .swiper-slide-active  img{
        height: 3.6rem;
     }
    .m_speakers .swiper-slide-next {
        width:100px;
        visibility: visible;
    }
     .m_speakers .speak_item>div{
        padding: 0px;
    }
    .m_speakers img {
        height: 3.2rem;
        width: 100%;
    }*/
    .speak_item div{
        padding:0px;
    }
    .speak_item div>div>div{
        padding:10px;
    }
    .forum_txt {
        width: 100%;
        margin: 0;
        border-radius: .2rem;
        background-color: #1f2836;
        color: #f5f5f5;
        padding: .3rem;
        font-size: .3rem;
        line-height: .6rem;
    }
    .forum_txt a {
        margin: .4rem 0 0 0;
        color: #42d6fc;
    }
    .forum_icon{
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        justify-items: center;
        text-align: center;
    }
    .forum_icon a{
        width: 1.68rem !important;
        height: 1.9rem !important;
        margin: 0.7rem 0.3rem 0 .3rem;
        top: 0 !important;
        left: 0 !important;
        clip-path: none;
        background-color: rgba(0, 0, 0, 0);
        background-image: none !important;
    }
    .forum_icon a img{
        width: 100% !important;
        height: 100% !important;
        top: -.2rem !important;
        margin-top: 0;
    }
    .forum_icon a p{
        width: 100%;
        color:  #fff;
        top: -.2rem !important;
        margin-top: 0 !important;
        font-size: .24rem !important;
    }
    .position{
        position: static;
    }
    .position1:nth-child(1){
        top: .1rem !important;
    }
    .sub_forum {
        padding-bottom: 0rem;
        padding-top:0.2rem;
    }
       .sub_forum_text {
        width: auto;
        margin-top: 0px;
        margin-bottom:0.4rem;
        font-size: 0.28rem;
    }
    .sub_forum_box>div>div.sub_forum_new_left{
        width: 3.33rem;
    }
    .sub_forum_box>div>div.sub_forum_new_left a{
        width: 1.4rem;
        height: 0.48rem;
        line-height: 0.48rem;
        border-radius: 0.24rem;
        font-size: 0.18rem;
    }
    .sub_forum_box>div>div.sub_forum_new_right{
        width: 2.6rem;
        height: 2.6rem;
    }
    .sub_forum_text a{
        /*display: block;*/
        font-size:0.28rem;
        margin-top:0.3rem;
    }
    .sub_forum_box_left{
        width: 100%;
    }
    .sub_forum_box_left .sub_forum_img img, .sub_forum5 img{
           width: 2.5rem;
    }
    .tit_desc {
        width: calc(100% - 0rem);
        position: relative;
        font-size: 14px;
        top: 0rem;
        margin:0px 0rem  .3rem 0rem;
        text-align: left;
        line-height: 0.4rem;
    }
    .sub_forum_box_left li {
       float: initial;
        width: calc(100% - 0.6rem);
        height: 4.08rem;
   /*     background: #222;*/
        margin: 0 auto;
        margin-bottom: 0.1rem;
        box-sizing: border-box;
        padding-left: 0.43rem;
        position: relative;
        margin-right: 0.3rem;
        margin-left: 0.3rem;
        overflow: hidden;
    }
    .sub_forum_box_left_right h3, .sub_forum_box_left h3{
        font-size: 0.36rem;
        width: auto;
    }
    .sub_forum_box_left .sub_forum_img {
        padding-top: 0.25rem;
        margin-right: 0px;
        overflow: visible;
        position: absolute;
        right: 0.5rem;
        top: 50%;
        transform: translate(0px, -50%);
    }
    .sub_forum_btn a {
       width: 1.3rem;
        height: 0.5rem;
        text-align: center;
        line-height: 0.5rem;
        font-size: 12px;
        margin-right: 0.14rem;
        display: inline-block;
    }
    .speakers{
        padding-top: 0px;
        padding-bottom: 0rem;
    }
    .video_bg_box1{
        height: auto;
    }
    .m_pagination{
        display: none;
    }
    #submit_form {
        width: 100%;
        font-size: .28rem;
    }
    #submit_form label {
        width: 100%;
    }
    #submit_form input[type="text"] {
        width: 85%;
        margin-right: 0;
    float: right;
    }
    #submit_form select {
        width: 85%;
    float: right;
    }
    #address_select{
        display: flex!important;
        justify-content: stretch;
        flex:1;
    }
    #address_select>div{
        width:85% ;
        margin-left: 13px;
        display: flex;
        justify-content: space-between;
        flex: 1;
    }
     #address_select select {
        margin-left: 0px;
     }
    .checkbox{
        width: 100%;
    }
    #address_select select {
        width: 48% !important;

    }
    #submit_form input[type="text"], #submit_form select{
         -webkit-appearance: none;
    }
    #submit_form select{
       padding-left: 5px;
        background: url(/activity/iot2021/images/mobile/bottom_arrow.png) 98% center no-repeat;
        background-size: 0.16rem 0.18rem;
        background-color:rgba(255,255,255,0.15);
        position: relative;
    }
   #address_select select{
    background-position: 95% center;
   }
    #submit_form .checkbox_box label {
        width: 100%;
    }
    .registration_title .tit_desc {
        display: none;
    }
    .order_content4 .order_content4_tip{
        display: none;
    }
    .registration{
        margin-top:0px;
        background:transparent;
        padding: 0 0.3rem .4rem;
        overflow: hidden;
    }
    .registration_title{
        position: relative;
        width: auto;
    }
    .submit {
        width: 90%;
        height: .8rem;
        font-size: .3rem;
        margin: .5rem auto 0 auto;
    }
    .sponsors {
        padding: .3rem 0.3rem .4rem 0.3rem;
        margin: 0;
    }
    .address img {
        width: 100%;
        padding: 0rem;
        box-sizing: border-box;
        margin: 0;
    }
    .address img.pc_map{
        display: none;
    }
    .address{
        padding: 0px;
    }
    .j-marquee-box{
        width: 5000% !important;
    }
    .partner_bg{
        padding-top: 0.2rem;
        padding-bottom: 0.5rem;
    }
    .sponsors li{
        width: 140px;
        margin-right: 0;
    }
    .partner_box{
        padding:0px 0.3rem;
        box-sizing: border-box;
    }
    .partner_box p {
        padding-top: 0.5rem;
        padding-bottom: 0.2rem;
        color: #CECECE;
    }
    .speakers .swiper-wrapper{
        width:100%;
        margin: 0px auto;
    }
    .speakers .swiper-button-prev{
        left:0px;
    }
    .speak_item{
        width: 50%;
        margin:0px;
    }
    .partner{
        padding-bottom: .3rem;
    }
    .dib{
        margin-top: .35rem;
    }
    .pc_show{
        display: none!important;
    }
    .m_show{
        display: block!important;
    }

    .sub_forum_box_left li.w242{
            width: calc(100% - 0.6rem);
    }
    .sub_forum_box_left li.mr6{
    margin-right: .03rem;
    }
    .sub_forum_box_left li.w242 h3{
    font-size: .36rem;
    padding-top: 35px;
    text-align: left;
    margin: 0 0 8px 0;
    }
    .sub_forum_box_left li.w242 h4{
    font-size: 14px;
    text-align: left;
    }
    .sub_forum_box_left li.w242 .sub_forum_btn {
        left: 30px;
        margin-left: 0;
    }
    .sub_forum_box_left li.w242  .min-img{
        padding-top: 0.25rem;
        margin-right: 0px;
        width: auto;    
    } 
     /*弹框*/
     .later_meeting_box {
        width: 93%;
        padding: 0.3rem;
    }
    .later_meeting_box h3 {
        font-size: 0.3rem;
        text-align: center;
    }
    .later_meeting_box p {
        font-size: 0.2rem;
        line-height: 1.7;
    }
    .later_meeting_close {
        right: 2px;
        top: -3px;
        font-size: 2em;
    }
    .later_meeting_button a {
        margin: 0.1rem auto 0 auto;
        padding: 0.1rem 0;
        width: 1.4rem;
        font-size: 0.2rem;
    }
    .sub_forum_box_flex{
        display: block;
    }
    .sub_forum_box_flex>div{
        width: 100%;
        margin-bottom: 0.1rem;
        padding: 0.35rem 0.3rem 0;
        height: 4rem;
        align-items: flex-start;
    }
    .sub_forum_new_left h3{
        font-size: 0.4rem;
        font-weight: 700;
        line-height: 0.56rem;
    }
    .sub_forum_address{
        font-size: 0.24rem;
        line-height: 0.32rem;
        margin-bottom:1.36rem;
    }
    img.addMap{
        display: block;
        width: 100%;
    }
    #submit_form .form_hy{
        margin-right: 0px;
    }
    .form_tips{
        font-size: 0.24rem;
        line-height: 0.32rem;
        margin-top:0.4rem ;
    }
}