.kv{ background: #666; height: 500px; overflow: visible; width: 100%; left: 0; top: 0;}
.kv_slide{ top: 0; overflow: hidden; width: 100%; min-width: 1280px;}
.pad_kv{ padding-top: 500px;}

.col_mt{ margin-top: 45px;}

.banner_foot h1{}
.banner_foot{ background: url("../images/f-banner.jpg") no-repeat left center #000; height: 220px;}
.banner_foot h1{ font-size: 32px; top:55px; right:120px; color:#fff;}
.banner_foot .arr_blue_btn{ display: block; right: 185px; top:110px;}

.b_unit{ width: 320px;}
.b_unit .t_img{ height: 320px; background-color: #000;}
.b_unit .col{ width: 50px; height: 50px; line-height: 50px; text-align: center; color:#fff; z-index: 1; left: 20px; bottom: 20px;}
.b_unit .t_img img{ opacity: 0.85;}
.b_unit .con_box{ background-color: #fff;}
.b_unit .con_box .c{ border-left: 1px #e3e3e3 solid; height: 120px; padding: 20px;}
.b_unit .con_box .date{ font-weight: bold; font-size: 10px; color: #6c6c6c; background: url("../images/icon/time.png") no-repeat left center; padding-left: 18px; line-height: 18px; height: 18px; margin-bottom: 6px;}
.b_unit .con_box .con{ font-size: 16px; line-height: 32px; height: 96px; overflow: hidden;}
.b_unit .play{ z-index: 2; width: 320px; height: 320px; display: block; background: url("../images/idx-video.png") no-repeat center center;}
.ib_red .col{ background-color: #eb1c5b;}
.ib_yel .col{ background-color: #e2a12f;}
.ib_blue .col{ background-color: #2f72e2;}

.ib_red:hover .col{ background-color: #fff; color: #eb1c5b;}
.ib_yel:hover .col{ background-color: #fff; color: #e2a12f;}
.ib_blue:hover .col{ background-color: #fff; color: #2f72e2;}
.ib_red:hover .con_box{ background-color: #eb1c5b;}
.ib_yel:hover .con_box{ background-color: #e2a12f;}
.ib_blue:hover .con_box{ background-color: #2f72e2;}
.b_unit:hover .t_img img{ opacity: 1;}
.b_unit:hover .con_box .date,.b_unit:hover .con_box .con{color:#fff;}
.b_unit:hover .con_box .date{ background-image: url("../images/icon/time-w.png")}

.video_box .con_box .f{background: #fff; border-left: 1px #e3e3e3 solid; height: 160px;}
.video_box .con_box .f .btn_unit{ width: 105px; border-right: 1px #e3e3e3 solid; text-align: center; color: #6c6c6c; height: 100px; overflow: hidden; line-height: 150px; background: no-repeat center top;}
.video_box .con_box .f .agent{ background-image: url("../images/icon/agent.png");}
.video_box .con_box .f .journals{ background-image: url("../images/icon/journals.png");}
.video_box .con_box .f .service{ background-image: url("../images/icon/service.png");}
.video_box .con_box .f .btn_unit:hover{ background-position: center -100px; color: #005bac;}
.video_box .con_box .down{ border-top: 1px #e3e3e3 solid; height: 40px; padding: 10px 0;  text-align: center;}
.video_box .con_box .btn_down{display: inline-block; line-height: 40px; background: url("../images/icon/d.png") no-repeat right center; height: 40px; padding-right: 30px;  color: #005bac;}
.pro_cat{ min-width: 1280px; max-width: 1920px;}
.pro_cat .u{ width: 16.66%; height: 320px; }
.pro_cat .bg_img{ z-index: 800;}
.pro_cat .h{ z-index: 810; display: none;}
.pro_cat .curr{ display: block;}
.pro_cat .txt{ z-index: 850;}

.product{ min-width: 1280px; background: #fff;}

.find_f{ padding: 50px 0; text-align: center;}


/*首页调整.20200528*/
.m_nav{width:100%;top: 0;}
.m_nav .nav_c a{padding: 0 30px;}
.m_nav .nav_c a:first-child{padding: 0 40px;}
@media only screen and (max-width:1599px){
	.m_nav .nav_c a{padding: 0 20px;}
	.m_nav .nav_c a:first-child{padding: 0 25px;}
}
@media only screen and (max-width:1439px){
	.m_nav .nav_c a{padding: 0 15px;}
	.m_nav .nav_c a:first-child{padding: 0 18px;}
}
@media only screen and (max-width:1279px){
	.m_nav .nav_c a{padding: 0 12px;}
	.m_nav .nav_c a:first-child{padding: 0 12px 0 15px;}
}
@media only screen and (max-width:1199px){
	.m_nav .nav_c a{padding: 0 10px;}
	.m_nav .nav_c a:first-child{padding: 0 10px 0 15px;}
}
.kv_slide{top: 80px;}
.kv{position: relative;}
.pad_kv{display:none;}

.banner_foot{background: url("../images/f-banner.jpg") no-repeat center center #000;}

/* Banner */
.bannerBox { position: relative; width:100%; min-width:1280px; min-height:680px; overflow: hidden; }
.bannerBox .pic{ position:relative; z-index:0; }
.bannerBox .pic li{font-size: 0;display: block; min-height:680px;background-repeat: no-repeat;background-position: center;-webkit-background-size: cover;background-size: cover;}
.bannerBox .pic img,
.bannerBox .pic a{ width:100%; min-height:680px; display: block; }

.bannerBox .prev,
.bannerBox .next{ position:absolute; z-index:1; display:block; width:30px; height:50px; top:45%;left:20px;  
	background:url(../images/icons.png) 0 0 no-repeat; 
	cursor:pointer;  filter:alpha(opacity=30);opacity:0.3;  }
.bannerBox .next{ left:auto; right:30px; background-position:-51px 0; }
.bannerBox .prev:hover,
.bannerBox .next:hover{ filter:alpha(opacity=100);opacity:1;background-position:0 0;}
.bannerBox .next:hover{background-position:-51px 0;}

.bannerBox .hd{ width:100%;  position:absolute; z-index:1; bottom:0; left:0; height:50px; line-height:50px; text-align:center;}
.bannerBox .hd ul{ text-align:center;  padding-top:5px;  }
.bannerBox .hd ul li{ cursor:pointer; display:inline-block; *display:inline; zoom:1; width:12px; height:12px;border-radius: 6px; margin:5px; background:rgba(255,255,255,0.3); overflow:hidden;line-height:9999px;}
.bannerBox .hd ul .on{background:rgba(0,91,172,0.3);}


/* 产品分类图片 */
.pro_cat{ width: 100%; max-width: 100%;z-index: 51; position: relative;background:#000 url(../images/pro_bg.jpg) center bottom no-repeat; padding:40px 0;}
.pro_list{ overflow:hidden; width:1280px; margin:0 auto;position: relative;}

.pro_cat .prev,.pro_cat .next{ display:block;  width:70px; height:70px; position:absolute; top:207px;right:33px; overflow:hidden;z-index: 1;
	 cursor:pointer; background:url("../images/arrow.png") 0 0 no-repeat;filter:alpha(opacity=50); -moz-opacity:0.5; -khtml-opacity: 0.5; opacity: 0.5;transition: opacity 0.25s ease;}
.pro_cat .next{background-position:0 -70px;}
.pro_cat a.prev:hover {background-position:0 0;filter:alpha(opacity=100); -moz-opacity:1.0; -khtml-opacity: 1.0; opacity: 1.0;}
.pro_cat a.next:hover {background-position:0 -70px;filter:alpha(opacity=100); -moz-opacity:1.0; -khtml-opacity: 1.0; opacity: 1.0;}
.pro_cat .bd{}
.pro_cat .bd ul{ overflow:hidden; zoom:1; }
.pro_cat .bd ul li{ width:426px;float:left; _display:inline; overflow:hidden; text-align:center; margin-right:1px; position:relative;font-size: 0;}
.pro_cat .bd ul li .pic{ text-align:center; }
.pro_cat .bd ul li .pic img{ width:426px; height:486px; display:block;}
.pro_cat .bd ul li .pic i{ width:426px; height:486px; position:absolute; top:0; left:0; display:block; background-color:rgba(0,0,0,0.5);transition: background-color 0.25s ease;}
.pro_cat .bd ul li:hover .pic i{ background-color:rgba(0,0,0,0.3);}
.pro_cat .bd ul li .title{line-height: 24px;top: 0;position: absolute;margin: 22px 0 0 24px;color: #fff;font-size: 26px; text-align:left;}
.pro_cat .bd ul li .title em{ display:none;font-size: 42px;font-family:Arial Narrow, Arial, Helvetica, sans-serif;font-style: normal;line-height: 100%;margin-top: 23px;}
.pro_cat .bd ul li:hover .title em{ display:block;}
.pro_cat .bd ul li .btn{ display:none; bottom:27px; left:32px; position:absolute;}
.pro_cat .bd ul li .btn a{ display:block; padding:28px; border:1px solid #fff; color:#fff; font-size:20px;font-family:Arial Narrow, Arial, Helvetica, sans-serif;background-color: transparent;
    transition: background-color .25s ease;}
.pro_cat .bd ul li .btn a:hover{ background:#fff; color:#000;}
.pro_cat .bd ul li:hover .btn{ display:block;}


/*视频*/
.video_warp{width: 100%; height:676px; padding-top:138px;background:#000 url(../images/top-video-bg.jpg) center top no-repeat;background-size:100% 100%; margin-top: 0;}
.video_con{ width:1280px; margin:0 auto;}
.video_con .video{ width:880px;height: 495px;margin-top: 20px; position:relative;}
.video_con .video video{ width:100%; height:100%;}
.video_con .text{ width:320px; text-align:center; padding-top: 110px;}
.video_con .text h4{font-size: 45px;
    font-size: 3.75vw;
    font-weight: 400;
    line-height: 4.0vw;
    letter-spacing: 2px;
    letter-spacing: 0.2vw;
    margin: 0 0 20px;
    margin: 0 0 1.6vw;
    text-align: center;
	color: #fff;}
	
.video_con .text h4>span{    display: inline-block;
    font-size: 30px;
    font-size: 2.5vw;
    line-height: 42px;
    line-height: 3.5vw;
    letter-spacing: 0;
    margin: 0;
    padding-bottom: 20px;
    padding-bottom: 1.8vw;
    border-bottom: solid 1px #e20303;}
.video_con .text p{font-size: 28px;
    font-size: 1.5vw;
    line-height: 32px;
    line-height: 2.8vw;
    color: #d9d9d9;
    margin: 0;}
.video_con i{
    position: absolute;
    top: 0;
    left: 0;
    background: url(../images/play.png) no-repeat center center;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 1;
}