*{margin: 0;padding: 0;border: 0;font-family: PingFangSC-Regular, PingFang SC,"Microsoft YaHei","Helvetica Neue",Helvetica, Arial, sans-serif, '微软雅黑';
  /*-webkit-touch-callout:none;*/
  /*-webkit-user-select:none;*/
  /*-khtml-user-select:none;*/
  /*-moz-user-select:none;*/
  /*-ms-user-select:none;*/
  /*user-select:none;*/
}
/*清楚浮动*/
.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  overflow: hidden;
}
a,a:hover,a:active,a:-webkit-any-link{
  text-decoration: none;
  outline: none;
  cursor: pointer;
  color: initial;
}
.iconfont{
  font-size: inherit;
  line-height: 1;
  vertical-align: middle;
}
html,body{
  background: #fff;
  color: #303233;
  font-size: 20px;
  -webkit-text-size-adjust:none;
}
input, button, textarea,video {-webkit-appearance: none;outline: #fff;}
input[type=radio]{-webkit-appearance: radio;vertical-align: middle}
img{max-width: 100%}
video{max-width: 100%}
/*select {*/
  /*-webkit-appearance: none;*/
  /*background: #fff url("../img/xia.png") no-repeat center right;*/
  /*background-size: auto 80%;*/
/*}*/

input::-webkit-input-placeholder{color:#999;}
input::-moz-placeholder{color:#999;}  /* Mozilla Firefox 19+ */
input:-moz-placeholder{color:#999;}    /* Mozilla Firefox 4 to 18 */
input:-ms-input-placeholder{color:#999;}  /* Internet Explorer 10-11 */
textarea::-webkit-input-placeholder{color:#999;}
textarea::-moz-placeholder{color:#999;}   /* Mozilla Firefox 19+ */
textarea:-moz-placeholder{color:#999;}    /* Mozilla Firefox 4 to 18 */
textarea:-ms-input-placeholder{color:#999;}  /* Internet Explorer 10-11 */

.menu{
  height: 3.3rem;
  box-shadow: 0px 3px 10px 0px rgba(5, 34, 89, 0.15);
  position: fixed;
  top:0;
  left: 0;
  width: 100%;
  background-color: #fff;
  z-index: 1;
}
.home_menu{
  background-color: rgba(255,255,255,.5);
}
.menu>div{
  padding-top: .15rem;
  max-width: 1200px;
  margin: auto ;
  line-height: 3rem;
  text-align: right;
  font-weight: 500;
}
.menu .logo{
  font-size: 1rem;
  font-weight: bold;
}
.menu>div>a{
  display: inline-block;
  margin-left: 2.5rem;
  font-size: .9rem;
}
.menu>div>a.active{
  border-bottom: 2px solid #D5312A;
  color: #D5312A;
}
.bottom{
  background: #272727;
  font-size: .6rem;
  padding: 1.5rem;
  font-weight: 400;
  color: #9FA3A6;
  text-align: center;
}
h1{
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.7;
}
h2{
  font-size: 1.2rem;
  font-weight: 500;
  color: #eaeaea;
  margin-bottom: 1.5rem;
}
.page{
  min-height: calc(100vh - 7.3rem);
  overflow: auto;
}
.home_div{
  width: 1100px;
  margin: 0 auto ;
  height: 27rem;
}
.home_div>div{
  display: inline-block;
}
.home_div>div:first-child{
  width: 27rem;
  margin-top: 4rem;
}
.home_div>div:last-child{
  width: 18rem;
  float: right;
}
.home_div .content{
  font-size: .8rem;
  font-weight: 400;
  margin: 2.3rem 0;
  line-height: 33px;
}
.join_us_btn{
  display: inline-block;
  background: #303233;
  border: 1px solid #303233;
  font-size: .9rem;
  color: #fff;
  padding: .6rem 1.1rem;
  margin-bottom: 5rem;
}
.content_box .title,.case_box .title{
  font-size: 1.3rem;
  font-weight: 600;
  color: #303233;
  line-height: 1.5;
  margin-top: 1rem;
}
.list{
  width: 373px;
  /*height: 538px;*/
  background: #FFFFFF;
  float: left;
  box-shadow:0px 0px 3px 0px rgb(5, 34, 89, 0.15);
  margin: 1rem;
  border-radius: 5px;
  overflow: auto;
}
.list:hover{
  box-shadow: 0px 3px 10px 0px rgba(5, 34, 89, 0.15);
}
.list .title{
  font-size: .8rem;
  font-weight: normal;
  color: #262626;
  margin: .5rem 1rem .5rem;
  height: 2.3rem;
  line-height: 1.5;
  word-wrap: break-word;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.list:hover .title{
  color: #999;
}
.list .img{
  height: 249px;
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  transition: background-size .5s;
}
.list:hover .img{
  background-size: 110%
}
.img_onclick .img,.case .img{
  height: 249px;
}
.list .excerpt{
  font-size: .7rem;
  margin: 0 1rem .5rem;
  padding-bottom: .25rem;
  font-weight: 400;
  color: #909090;
  height: 3.2rem;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  line-height: 1.7;
}
.list .post_date{
  font-size: .6rem;
  margin: 0 1rem ;
  padding: 0 0 .5rem;
  font-weight: 400;
  color: #909090;
}
.content_box{
  width: 1200px;
  margin: 2rem auto;
}
.content_box .link{
  font-size: 16px;
  font-weight: 500;
  color: #909090;
}
.content_box .post_content,.case_box .post_content{
  font-size: .8rem;
  font-weight: 400;
  color: #303233;
  line-height: 1.6rem;
}
.content_box .date,.case_box .date{
  font-size: .8rem;
  font-weight: 400;
  color: #909090;
}
.hr{
  border-bottom: 1px solid #DEDEDE;
  margin: .5rem 0;
}
.gray{
  background: #FAFAFB;
  /*padding: .5rem 0;*/
}
.info_list img{
  height: .8rem;
  margin: 0 .5rem .2rem;
  vertical-align: middle;
}
.info_list .title{
  font-size: .8rem;
  font-weight: normal;
  color: #303233;
  line-height: 1.7rem;
}
.info_list:hover .title{
  color: #999;
}
.info_list .info_btn{
  width: 70px;
  height: 30px;
  border: 1px solid #ccc;
  float: right;
  font-size: 12px;
  font-weight: 400;
  /*color: #999;*/
  text-align: center;
  line-height: 1.5rem;
  border-radius: 3px;
}
.home_banner{
  margin-bottom: 4rem;overflow: hidden;position: relative;
  padding-bottom: 57%;
}
.home_banner>div:first-child{
  position: absolute;
  left: 0;
}
.home_banner video{
  width: 100vw;
  float: left;
}
.banner_icon{
  position: absolute;
  top: calc(50% - 2rem);
  width: 4rem;
}
.banner_icon.left{
  left: 2rem;
}
.banner_icon.right{
  right: 2rem;
}
.categoryt_box{
  width: 1200px;
  margin: auto;
  line-height: 3rem;
}
.category_name{
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 600;
  color: #858585;
  margin-right: 4rem;
}
.category_name.active{
  color: #D5312A;
  border-bottom:4px solid #D5312A;
}
.case_box{
  display: none;
}
.case_box:first-child{
  display: block;
}
.list_div{
  margin: 2.4rem auto;width: 1240px;overflow: auto
}
.case .title{
  height: 1.5rem;
}
.about_us{
  width: 900px;
  height: 480px;
  margin: auto;
  background: url("../img/about-bg.jpg") no-repeat;
  background-size: 100%;
  position: relative;
  border-radius: 5px;
  box-shadow: 0px 3px 10px 0px rgba(5, 34, 89, 0.15);
}
.about_us .title{
  width: 340px;
  height: 60px;
  background: url("../img/tit.png") no-repeat;
  background-size: 100%;
  font-size: 20px;
  font-weight: 600;
  color: #FFFFFF;
  text-align: center;
  line-height: 3rem;
  position: absolute;
  top: -15px;
  left: calc(50% - 170px);
}
.case_img_box{
  position: fixed;
  width: 100vw;height: 100vh;top: 0;left: 0;
  z-index: 2;
  text-align: center;
}
.case_img_box div.img_list{
  max-width: 760px;
  margin: auto;
  height: 506px;
  -webkit-display:flex;
  display:flex;
  -webkit-align-items:center;
  align-items:center;
  -webkit-justify-content:center;
  justify-content:center;
  display: none;
  z-index: 3;
  position: fixed;
  left: calc(50% - 380px);
  top: calc(50% - 253px);

}
.pages{
  clear: both;
  width: 100%;
  text-align: center;
  font-size: 14px;
}
.pages a{
  display: inline-block;
  /*border: 1px solid #ccc;*/
  padding: 0 6px 0 5px;
  margin-left: 5px;
  text-align: center;
}
.pages a.current{
  color: #D5312A;
  font-weight: bold;
}


.cursor{cursor: pointer}
.shadow{box-shadow: 0px 1px 3px 0px rgba(0, 0, 0, 0.2);}
.padding10{padding: .5rem 0 }
.margin75{margin: .75rem}
.bg_black{background-color: rgba(0,0,0,.5)}
.bg_white{background-color: #fff}
.cursor{cursor: pointer}
.relative{position: relative}
.absolute{position: absolute}
.fixed{position: fixed}
.div_middle{top:50%;left: 50%}
.div_full{width: 100vw;height: 100vh;top: 0;left: 0;}
.center{text-align: center}
.middle{vertical-align: middle}
.top{vertical-align: top}
.oh{overflow: hidden}
.oa{overflow: auto}
.bold{font-weight: bold}
.fl{float: left}
.fr{float: right}
.tl{text-align: left}
.tr{text-align: right}
.middleBox{
  -webkit-display:flex;
  display:flex;
  -webkit-align-items:center;
  align-items:center;
  -webkit-justify-content:center;
  justify-content:center;
}
.load_more{
  margin: .5rem 0 1rem;
  cursor: pointer;
  text-align: center;
  font-size: .7rem;
  color: #ccc;
  font-weight: bold;
}
.alert_box{
  position:fixed;
  left: 50%;
  width: 10rem;
  margin-left: -6rem;
  bottom: 50%;
  background: rgba(0, 0, 0, .9);
  border-radius: 1em;
  color: #fff;
  text-align: center;
  padding: 1rem;
  font-size: .8em;
  z-index: 1001;
}
.confirm_box {
  position: fixed;
  left: 50%;
  width: 10rem;
  margin-left: -5.5rem;
  bottom: 50%;
  background: #fff;
  border-radius: 5px;
  /*color: #666;*/
  box-shadow: 0 0 10px #ccc;
  text-align: center;
  /*padding: 1rem;*/
  font-size: .8em;
  z-index: 1001;
}
.confirm_box div{
  padding: 1.5rem .5rem 1rem;
}
.confirm_box div.confirm_box_close{
  color: #3770DB;
  padding: .5rem;
  border-top: 1px solid #eee;
}
.inline{display: inline-block}
.hide{display: none}
.show{display: block}