body,div, ul, li, h1, h2, h3, h4, h5, h6, p, dl, dt, dd, ol, form, input, textarea, th, td, select{
    margin: 0;
    padding: 0;
}
ul,li{
    list-style: none;
}
body{
    width: 100%;
    overflow-x: hidden;
}
.topics{
    width: 100%;
}
.topics img{
    width: 100%;
    height: auto;
    border: 0;
}
.topics_header{
    width: 100%;
    border-top: 1px solid #EEEEEE;
    border-bottom: 1px solid #EEEEEE;
    padding: 15px 0;
}
.header_info{
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: start;
    flex-wrap: wrap;
    align-items: center;
}
.header_info_logo{
    width: 100px;
    height: 100px;
    border: 1px solid #D9D9D9;
    text-align: center;
    line-height: 100px;
}
.header_info_logo img{
    display: inline-block;
    width: 80px;
    vertical-align: middle;
}
.topics_header_info{
   width: 60%;
    padding: 0 15px;
}
.topics_header_info h6{
    font-size: 18px;
    font-family: Poppins;
    font-weight: bold;
    color: #191919;
    line-height: 24px;
}
.topics_header_info p{
    font-size: 14px;
    font-family: Poppins;
    font-weight: 300;
    color: #333333;
    line-height: 20px;
}
.projects_topics{
    /*display: none;*/
    width: 100%;
    border-top: 1px solid #EEEEEE;
    border-bottom: 1px solid #EEEEEE;
    padding: 15px 0;
}
.projects_topics_box{
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
}
.topics_header_projects{
    display: flex;
    justify-content: space-between;
}
.topics_header_projects p{
    font-size: 18px;
    font-family: Poppins;
    font-weight: bold;
    color: #333333;
    line-height: 25px;
}
.topics_header_projects a{
    padding: 0px 15px;
    font-size: 16px;
    line-height: 30px;
    font-weight: 600;
    color: #666666;
    background: #FFFFFF;
    border: 1px solid #02a6f7;
    border-radius: 15px;
    text-decoration: none;
}
.topics_header_projects a:hover{
    color: #00A0F0;
    border-color: #00A0F0;
}
.topics_body{
    width: 100%;
    min-height: 170px;
    margin: 25px 0;
    position: relative;
    overflow: hidden;
}
.topics_body_list{
    width: 100%;
    position: relative;
}
.topics_list{
    display: flex;
    justify-content: space-around;
    width: fit-content;
    position: absolute;
    left: 0;
    top: 0;
}
.topics_list li {
    width: 100px;
    margin: 0 22px;
    padding: 15px 0;
}
a.topics_item {
    display: block;
    font-size: 14px;
    font-family: Poppins;
    font-weight: 300;
    color: #333333;
    text-align: center;
    line-height: 25px;
    text-decoration: none;
}
.topics_btn {
    width: 99%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    display: flex;
    justify-content: space-between;
}
.topics_botton:hover {
    border-color: #00A0F0;
}
.topics_botton {
    width: 10px;
    height: 10px;
    border-right: 2px solid #999999;
    border-top: 2px solid #999999;
    display: inline-block;
    cursor: pointer;
}
.topics_btn_left {
    transform: rotate(-135deg);
    -webkit-transform: rotate(-135deg);
}
.topics_btn_right {
    transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
}
.topics_main{
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding-top: 25px;
}
.topics_screen{
    display: flex;
    justify-content: start;
}
select.screen_select{
    width: 160px;
    height: auto;
    text-indent: 0.4em;
    outline: none;
    border: 1px solid #575757;
    font-size: 16px;
    font-weight: 400;
    color: #757575;
    line-height: 25px;
    border-radius: 6px;
    cursor: pointer;
    padding: 4px;
}
.screen_btn{
    margin:0 10px;
    border: 1px solid #DFDFDF;
    font-size: 14px;
    font-family: Poppins;
    font-weight: 300;
    color: #1A1A1A;
    line-height: 25px;
    padding: 0 10px;
    cursor: pointer;
}
.screen_btn:hover{
    color: #00A0F0;
    border-color: #00A0F0;
}
.screen_btn_active{
    color: #00A0F0;
    border-color: #00A0F0;
}
.topics_project{
    margin-top: 25px;
}
.topics_project ul{
    display: grid;
    grid-template-columns: auto auto auto auto;
    gap: 25px 15px;
    justify-content: space-between;
}
.topics_project li{
    max-width: 320px;
    border: 1px solid #EEEEEE;
}
.topics_project li a{
    text-decoration: none;
}
.latest_item{
    width: 100%;
}
.latest_item_header{
    width: 100%;
    position: relative;
    overflow: hidden;
}
.latest_item_img{
    height: 220px;
}
.latest_item_img img{
    height: 100%;
}
.latest_item_header:hover .latest_item_img{
    transform: scale(1.2);
    transition: all 0.3s linear;
}
.latest_item_mask{
    display: none;
    width: 100%;
    height: -webkit-fill-available;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(25,25,25, .8);
}
.latest_item_describe{
    font-size: 14px;
    font-family: Poppins;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 20px;
    padding: 25px 20px 0 20px;
    overflow: hidden;
    -webkit-line-clamp: 5;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}
.latest_item_info,.foot_hover_user{
    padding: 15px 6px 10px;
    border-bottom: 1px solid #EEEEEE;
}
.latest_item_title{
    font-size: 16px;
    font-family: Poppins;
    font-weight: 400;
    color: #1A1A1A;
    line-height: 22px;
    margin-bottom: 8px;
    min-height: 45px;
    overflow: hidden;
    -webkit-line-clamp: 2;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}
.latest_item_icon,.foot_hover_icon{
    display: flex;
    justify-content: start;
    font-size: 12px;
    font-family: Poppins;
    font-weight: 400;
    color: #666666;
    line-height: 25px;
}
.item_icon{
    margin-right: 8px;
}
.item_icon i{
    display: inline-block;
    width: 14px;
    height: 14px;
    vertical-align: middle;
}
.latest_item_foot{
    width: 100%;
    position: relative;
}
.item_foot{
    padding: 15px 8px 10px;
    font-size: 14px;
    font-family: Poppins;
    font-weight: 400;
    color: #1A1A1A;
    line-height: 30px;
}
.item_foot:hover{
    text-decoration: underline;
}
.item_foot .head_sculpture{
    width: 30px;
    height: 30px;
    vertical-align: bottom;
    margin-right: 8px;
}
.item_foot_hover{
    display: none;
    position: absolute;
    bottom: 100%;
    left: 5px;
    background-color: #fff;
    border: 1px solid #EEEEEE;
    box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.4);
    text-align: center;
    z-index: 333;
}
.item_foot_hover::before{
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -10px;
    border: solid transparent;
    border-top-color: #fcfcfc;
    border-width: 10px;
}
.foot_hover_user{
    font-size: 16px;
    font-family: Poppins;
    font-weight: 300;
    color: #000000;
    line-height: 22px;
}
.foot_hover_user .head_sculpture{
    width: 40px;
    height: 40px;
}
.foot_hover_icon{
    padding: 10px 8px;
}
.page_ctrl{
    text-align: center;
    margin:25px auto;
    box-sizing: border-box;
    border: 1px solid #EEEEEE;
    padding: 10px 0;
  }
  .page_ctrl *{
    line-height: 26px;
  }
  .page_ctrl button{
    margin:0 3px;
    min-width:30px;
    background: #ffffff;
    border: 1px solid #00A0F0;
    color: #00A0F0;
    cursor: pointer;
    outline: none;
    text-align: center;
    font-size: 14px;
    font-family: Poppins;
    font-weight: 300;
  }
  .page_ctrl button:hover{
    background: #00A0F0;
    color: #ffffff;
  }
  .page_ctrl .btn_dis{
    cursor: default;
  }
  .page_ctrl .btn_dis:hover{
    background: #00A0F0;
    color: #ffffff;
  }
  .page_ctrl .current_page{
    background: #00A0F0;
    color: #ffffff;
  }
  .page_ctrl .input_page_num{
    width:30px;
    height: 26px;
    margin:0 3px;
    padding: 0;
    text-align: center;
    background: #ffffff;
    border: 1px solid #00A0F0;
    color: #00A0F0;
    outline: none;
  }
  .page_ctrl .page_total,.page_ctrl .page_text{
    color: #1A1A1A;
    font-size: 14px;
  }
@media (min-width:980px) and (max-width: 1300px){
    .header_info,.projects_topics_box{
        width: 98%;
    }
}
@media (min-width:768px) and (max-width: 979px){
    .header_info,.projects_topics_box{
        width: 98%;
    }
    .topics_project ul{
        grid-template-columns: auto auto auto;
    }
}
@media (max-width: 767px){
    .header_info,.projects_topics_box{
        width: 98%;
    }
    .topics_project ul{
        grid-template-columns: auto auto;
    }
}
/* 视频项目样式 开始*/
.topics_project>.video_head p{
    font-size: 24px;
    font-weight: 600;
    color: #333333;
    line-height: 24px;
    padding-bottom: 20px;
}
.topics_project .latest_item_info{
    border-bottom: 0;
}
.topics_project .latest_item_mask{
    background: rgba(25, 25, 25, .5);
}
.video-box{
    position: relative;
}
.video-playicon{
    width: 48px;
    height: 48px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
/* 视频项目样式 结束*/