body,
div,
ol,
ul,
li,
dl,
dt,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
p,
form,
fieldset,
legend,
input {
  margin: 0;
  padding: 0;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}
ol,
ul {
  list-style: none;
}
img,
fieldset {
  border: 0 none;
  display: block;
}
body {
  min-width: 1200px;
}
.top {
  width: 100%;
}

@media screen and (max-width: 1800px) {
  .content5_left_list {
    transform: scale(0.9);
  }
  .content5_right {
    padding-left: 5% !important;
  }
}

@media screen and (max-width: 1739px) {
  .content5_title {
    font-size: 33px !important;
  }
  .content5_left_list {
    transform: scale(0.85);
  }
  .content5_right {
    padding-left: 5% !important;
  }
}

@media screen and (max-width: 1462px) {
  .content5_title {
    font-size: 28px !important;
  }
  .content5_left_list {
    transform: scale(0.8);
  }
  .development {
    margin-bottom: 33px !important;
  }
  .content5_item {
    margin-bottom: 13px !important;
  }
  .content5_content {
    margin-left: 15% !important;
  }
  .content5_right {
    padding-left: 5% !important;
  }
  .man {
    transform: scale(0.9);
    transform-origin: bottom;
  }
  .content6_swiper {
    transform: scale(0.8) !important;
  }
  .content6_title {
    margin-bottom: 0px !important;
  }
}

@media screen and (max-width: 1422px) {
  .about_title {
    transform: scale(0.9);
    margin-left: 5% !important;
  }
}

@media screen and (max-width: 1320px) {
  /*.content4_item{*/
  /*transform: scale(.9);*/
  /*}*/
}

@media screen and (max-width: 1180px) {
  /*.content4_item{*/
  /*transform: scale(.8);*/
  /*}*/
}

@media screen and (max-width: 1290px) {
  .about_title {
    transform: scale(0.8) !important;
    margin-left: 0% !important;
  }

  .content6 {
    background-position: right !important;
  }
  .content6_swiper {
    transform: scale(0.8) !important;
  }
}
@media screen and (max-width: 1177px) {
  .intro {
    transform: scale(0.9);
  }
  .about_title {
    transform: scale(0.7);
    margin-left: 0% !important;
  }
}
@media screen and (max-width: 1060px) {
  .intro {
    transform: scale(0.8);
  }
  .about_title {
    transform: scale(0.7);
    margin-left: -7% !important;
  }
}
@media screen and (max-width: 1000px) {
  .intro {
    transform: scale(0.7);
  }
  .content_list {
    transform: scale(0.9);
  }
}
@media screen and (max-width: 800px) {
  .intro {
    transform: scale(0.6);
  }
  .content_list {
    transform: scale(0.8);
  }
}
/*导航*/
.nav {
  width: 100%;
  min-width: 1200px;
  height: 80px;
  z-index: 9999;
  background: #000000;
}
.nav_left {
  height: 80px;
  float: left;
}
.nav_right {
  height: 80px;
  float: right;
}
.logo {
  width: 55px;
  height: 50px;
  background: url(../img/index/logo.png) no-repeat;
  background-size: 100% 100%;
  margin-left: 42px;
  margin-top: 15px;
  float: left;
}
.head_nav_item {
  width: 136px;
  height: 80px;
  list-style-type: none;
  float: left;
  box-sizing: border-box;
  text-align: center;
}
.head_nav_item:hover {
  background-color: #ffffff;
}
.head_nav_item a {
  text-decoration: none;
  font-size: 16px;
  color: #ffffff;
  display: block;
}
.head_nav_item a.on {
  color: #000000;
}
.head_nav_item2 {
  list-style-type: none;
  float: left;
  box-sizing: border-box;
  margin-left: 40px;
}
.head_nav_item2 a {
  text-decoration: none;
  font-size: 16px;
  color: #333333;
  display: block;
  text-align: left;
}
.head_nav_item2 a:hover {
  color: #da291c;
  font-weight: bold;
}
.detail {
  padding: 0px 0px;
  display: none;
  position: absolute;
  z-index: 99;
  text-align: left;
}
.detail.hover {
  width: 800px;
  display: block;
  position: absolute;
  text-align: left;
  z-index: 99;
}
.detail_bg {
  width: 100%;
  height: 80px;
  background-color: #efefef;
  position: absolute;
  display: none;
}
.head_nav_list {
  font-size: 14px;
  float: left;
  line-height: 80px;
  margin-left: 83px;
}
.join_btn {
  width: 142px;
  height: 33px;
  border-radius: 20px;
  background-color: white;
  margin-top: 22px;
  float: left;
  text-align: center;
  font-size: 16px;
  cursor: pointer;
  margin-right: 38px;
  padding-top: 5px;
  box-sizing: border-box;
}
.wechat_btn {
  width: 36px;
  height: 36px;
  float: left;
  margin-top: 22px;
  margin-right: 25px;
}
.in_btn {
  width: 36px;
  height: 36px;
  float: left;
  margin-top: 22px;
  margin-right: 60px;
}
/*顶部内容*/
.head_content {
  width: 100%;
  height: 100%;
  /* background: url(../img/about/top2.jpg) no-repeat center bottom; */
  background: url(../img_v2/about/top3.png) no-repeat center bottom;
  background-size: cover;
  padding-top: 50vh;
  box-sizing: border-box;
}
.about_title {
  width: 430px;
  height: 200px;
  position: absolute;
  margin-left: 11%;
  margin-top: 13%;
}
.content_list {
  max-width: 1014px;
  width: 100%;
  height: 90px;
  margin: 0 auto;
}
.content_item {
  width: 164px;
  height: 90px;
  background-color: #ffffff;
  opacity: 0.9;
  padding-top: 30px;
  box-sizing: border-box;
  float: left;
  margin-left: 4px;
  cursor: pointer;
  margin-bottom: 4px;
  padding-left: 20px;
  text-align: left;
}
.content_item:nth-child(1) {
  margin-left: 0px;
}
.p1 {
  font-size: 14px;
  font-weight: bold;
  font-family: zh;
}
.p2 {
  font-size: 14px;
  /*font-weight: bold;*/
  color: #999999;
  font-family: HelveticaNeue-Medium;
  letter-spacing: -1px;
}
.content_item:hover {
  background-color: #da291c;
  opacity: 1;
  color: #ffffff !important;
}

.down {
  width: 58px;
  height: 58px;
  position: absolute;
  bottom: 0px;
  left: 50%;
  margin-left: -29px;
  cursor: pointer;
  z-index: 2;
}
/*content*/
.content {
  width: 100%;
  height: 100vh;
}
/*content1*/
.content1 {
  width: 100%;
  height: 100%;
}
.intro {
  width: 1042px;
  height: 534px;
  background: url(../img/about/text/company_3.png) no-repeat center center;
  background-size: cover;
  margin: 0 auto;
  position: relative;
  top: 50%;
  margin-top: -265px;
}
/*content2*/
.content2 {
  width: 100%;
  height: 100%;
  background-color: #f8f8f8;
}
.history {
  width: 1086px;
  height: 576px;

  margin: 0 auto;
  position: relative;
  top: 50%;
  margin-top: -288px;
}
.history2 {
  width: 1086px;
  height: 100%;
  position: absolute;
  background-color: red;
  left: 50%;
  background-color: #f8f8f8;
  margin-left: -543px;
}
.content2_title {
  width: 290px;
  height: 160px;
  position: absolute;
  margin-left: 217px;
  margin-top: 0px;
  text-align: left;
}

.content2_title p {
  font-size: 44px;
  font-weight: bold;
  font-stretch: normal;
  font-family: HelveticaNeue-Medium;
  letter-spacing: 0px;
  color: #000000;
}

.content2_title_bg {
  width: 240px;
  height: 40px;
  background: url(../img/about/title_bg.png) no-repeat;
  background-size: 100% 100%;
  text-align: left;
  padding-left: 16px;
  font-size: 25px;
  font-weight: normal;
  font-stretch: normal;
  font-family: zh;
  letter-spacing: 0px;
  color: #ffffff;
}
.time_list {
  width: 33px;
  margin-left: 92px;
  position: absolute;
  font-size: 16px;
  color: #cdcdcd;
  letter-spacing: -1px;
  line-height: 32px;
  font-weight: bolder;
  z-index: 99;
  cursor: pointer;
}
.time_list p.on {
  color: #000000;
}

.time_list .year {
  font-family: number;
}
.show_time {
  width: 471px;
  height: 184px;
  margin-left: -92px;
  font-family: number;
  font-size: 178px;
  line-height: 184px;
  color: #da291c;
  z-index: 99;
  overflow: hidden;
  position: relative;
}
.line1 {
  width: 13px;
  height: 100vh;
  background-color: #e8e8e8;
  position: absolute;
  margin-left: 164px;
}
.info {
  width: 350px;
  position: absolute;
  margin-top: 395px;
  margin-left: 164px;
  background: url(../img/about/info2.png) no-repeat;
  background-size: 100% 100%;
}
.text {
  width: 285px;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 22px;
  letter-spacing: 0px;
  color: #000000;
  float: left;
  position: relative;
  margin-left: 33px;
  text-align: left;
  font-family: zh;
}
.text p {
  display: none;
}
.text p:nth-child(1) {
  display: block;
}
.show_img {
  position: absolute;
  /*margin-left: 695px;*/
  margin-left: 51%;
  display: none;
}
.show_img:nth-child(1) {
  display: block;
}
/*content3*/
.content3 {
  width: 100%;
  height: 100%;
  background: url(../img/about/content3_3.jpg) no-repeat center center;
  background-size: cover;
}
.content3_list {
  width: 55%;
  height: 620px;
  margin-right: 0;
  float: right;
  position: relative;
  top: 50%;
  margin-top: -310px;
}

.content3_list a {
  display: block;
}

.content3_item {
  text-align: center;
}

.content3_item span {
  font-size: 25px;
  font-weight: normal;
  font-stretch: normal;
  font-family: zh;
  letter-spacing: 0px;
  color: #ffffff;
}

.content3_item p {
  font-size: 25px;
  font-weight: normal;
  font-stretch: normal;
  font-family: HelveticaNeue-Medium;
  letter-spacing: 0px;
  color: #ffffff;
}

.content3_item img {
  display: inline-block;
  cursor: pointer;
  margin-top: 10px;
}

.item1 {
  width: 231px;
  height: 200px;
  position: absolute;
  margin-left: 179px;
  background: url("../img/about/item1.png") no-repeat;
  background-size: 100% 100%;
  display: none;
  padding-top: 70px;
  box-sizing: border-box;
}

.item2 {
  width: 231px;
  height: 200px;
  position: absolute;
  margin-top: 105px;
  background: url("../img/about/item2.png") no-repeat;
  background-size: 100% 100%;
  display: none;
  padding-top: 70px;
  box-sizing: border-box;
}

.item3 {
  width: 231px;
  height: 200px;
  position: absolute;
  margin-left: 179px;
  margin-top: 210px;
  background: url("../img/about/item3.png") no-repeat;
  background-size: 100% 100%;
  display: none;
  padding-top: 70px;
  box-sizing: border-box;
}

.item4 {
  width: 231px;
  height: 200px;
  position: absolute;
  margin-left: 357px;
  margin-top: 313px;
  background: url("../img/about/item4.png") no-repeat;
  background-size: 100% 100%;
  display: none;
  padding-top: 70px;
  box-sizing: border-box;
}
.item5 {
  width: 231px;
  height: 200px;
  position: absolute;
  margin-left: 179px;
  margin-top: 422px;
  background: url("../img/about/item5.png") no-repeat;
  background-size: 100% 100%;
  display: none;
  padding-top: 70px;
  box-sizing: border-box;
}
.content4 {
  width: 100%;
  height: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.content_item1 {
  width: 33%;
  height: 50%;
  background: url(../img/about/pic1_1.jpg) no-repeat center center;
  background-size: cover;
  margin-bottom: 7px;
  padding: 40px 0px;
  box-sizing: border-box;
}

.content_info {
  position: relative;
  margin-top: 40%;
}

.content_info p {
  font-size: 22px;
  font-family: HelveticaNeue-Medium;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #ffffff;
}

.content_box {
  height: 30px;
  background-color: #da291c;
  font-size: 22px;
  font-family: zh;
  font-weight: normal;
  letter-spacing: 0px;
  color: #ffffff;
  margin-top: 10px;
  padding: 0 10px;
  line-height: 0px;
}

.content_item2 {
  width: 33%;
  height: 50%;
  background: url(../img/about/pic2_1.jpg) no-repeat center center;
  background-size: cover;
  margin-bottom: 7px;
  padding: 40px 0px;
  box-sizing: border-box;
}
.content_item3 {
  width: 33%;
  height: 50%;
  background: url(../img/about/pic3_1.jpg) no-repeat center center;
  background-size: cover;
  margin-bottom: 7px;
  padding: 40px 0px;
  box-sizing: border-box;
}
.content_item4 {
  width: 33%;
  height: 50%;
  background: url(../img/about/pic4_1.jpg) no-repeat center center;
  background-size: cover;
  padding: 40px 0px;
  box-sizing: border-box;
}
.content_item5 {
  width: 33%;
  height: 50%;
  background: url(../img/about/pic5_1.jpg) no-repeat center center;
  background-size: cover;
  padding: 40px 0px;
  box-sizing: border-box;
}
.content_item6 {
  width: 33%;
  height: 50%;
  background: url(../img/about/pic6_1.jpg) no-repeat center center;
  background-size: cover;
  padding: 40px 0px;
  box-sizing: border-box;
}

.content4_item {
  width: 100%;
  height: 100%;
  overflow: auto;
  position: relative;
}
.content4_item::-webkit-scrollbar-track-piece {
  -webkit-border-radius: 0; /*滚动条的圆角宽度*/
}

.content4_item::-webkit-scrollbar {
  width: 5px; /*滚动条的宽度*/
  height: 5px; /*滚动条的高度*/
}

.content4_item::-webkit-scrollbar-thumb:vertical {
  /*垂直滚动条的样式*/
  height: 50px;
  background-color: #999;
  border-color: #999;
  -webkit-border-radius: 4px;
  border-radius: 4px;
  /*outline: 2px solid #fff;*/
  outline-offset: -2px;
}

.content4_title span {
  font-size: 18px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  font-family: HelveticaNeue-Medium;
  color: #ffffff;
}

.content4_title p {
  font-size: 18px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  font-family: zh;
  color: #ffffff;
}

.content4_list {
  width: 70%;
  text-align: left;
  margin: 0 auto;
}

.content4_list span {
  font-size: 12px;
  font-weight: normal;
  font-family: zh;
  letter-spacing: 0px;
  color: #ffffff;
  margin-top: 10px;
  display: inline-block;
}

.content4_list p {
  font-size: 12px;
  font-weight: normal;
  font-family: zh;
  letter-spacing: 0px;
  color: #ffffff;
}

.content_item1:hover {
  background: url(../img/about/tu1h.jpg) no-repeat center center;
  background-size: cover;
}
.content_item2:hover {
  background: url(../img/about/tu2h.jpg) no-repeat center center;
  background-size: cover;
}
.content_item3:hover {
  background: url(../img/about/tu3h.jpg) no-repeat center center;
  background-size: cover;
}
.content_item4:hover {
  background: url(../img/about/tu4h.jpg) no-repeat center center;
  background-size: cover;
}
.content_item5:hover {
  background: url(../img/about/tu5h.jpg) no-repeat center center;
  background-size: cover;
}
.content_item6:hover {
  background: url(../img/about/tu6h.jpg) no-repeat center center;
  background-size: cover;
}
.content5 {
  width: 100%;
  height: 100%;
}

.content5_left {
  background: url(../img/about/content5_left.jpg) no-repeat;
  background-size: cover;
  background-position: right bottom;
  width: 35%;
  height: 100%;
}

.content5_right {
  width: 45%;
  height: 60%;
  position: absolute;
  left: 37%;
  bottom: 23%;
  border: 10px solid #333333;
  padding-left: 5%;
  box-sizing: border-box;
}

.content5_content {
  width: 485px;
  margin-left: 25%;
}

.content5_title {
  font-size: 40px;
  font-family: HelveticaNeue-Medium;
  font-weight: bolder;
  font-stretch: normal;
  margin-bottom: 26px;
  letter-spacing: -2px;
  color: #333333;
}

.content5_list {
  width: 485px;
  margin: 0 auto;
  text-align: left;
}

.content5_list p {
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 20px;
  font-family: zh;
  letter-spacing: 0px;
  color: #333333;
}

.content5_list li {
  font-size: 14px;
  font-family: zh;
  font-weight: bold;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #333333;
  line-height: 24px;
}

.content5_list span {
  font-size: 14px;
  font-family: zh;
  font-weight: bold;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #da291c;
}

.content5_item {
  width: 100%;
  margin-bottom: 26px;
}

.development {
  width: 300px;
  height: 40px;
  background: url(../img/about/devel.png) no-repeat;
  background-size: 100% 100%;
  font-size: 25px;
  font-family: zh;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #ffffff;
  text-align: left;
  padding-left: 22px;
  box-sizing: border-box;
  margin-bottom: 53px;
}

.man {
  height: 100%;
  position: absolute;
  left: 7%;
  bottom: 0%;
  display: flex;
  flex-direction: column-reverse;
  z-index: 99;
}

.man img {
  height: 100%;
  vertical-align: top;
  margin: 0;
  padding: 0;
}

.content6 {
  width: 100%;
  height: 100%;
  background: url(../img/about/content6_bg1.jpg) no-repeat center;
  background-size: cover;
}

.content6_swiper {
  width: 1010px;
  height: 490px;
  overflow: hidden;
}

.content6_item {
  width: 335px;
  height: 130px;
  box-sizing: border-box;
  background-color: white;
  opacity: 0.95;
}
.content6_item2 {
  width: 100%;
  height: 90px;
  background-color: #ffffff;
  opacity: 0.95;
}

.content6_item img {
  width: 60px;
  height: 60px;
  margin: 0px 30px;
}

.content6_info p {
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  font-family: zh;
  line-height: 24px;
  letter-spacing: 0px;
  color: #333333;
  margin-top: 32px;
  text-align: left;
}

.content_tab {
  min-width: 80px;
  height: 26px;
  background: #da192c;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  font-family: zh;
  text-align: center;
  line-height: 26px;
  letter-spacing: 0px;
  color: #ffffff;
  position: absolute;
}

.content6_item2 p {
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  font-family: zh;
  letter-spacing: 0px;
  color: #333333;
}

.content6_pagination {
  margin-top: -34px;
  z-index: 9999;
}

.content6_pagination span {
  width: 21px;
  min-width: 21px;
  display: inline-block;
  background-color: #da291c;
  font-family: number;
  font-size: 14px;
  line-height: 21px;
  color: #ffffff;
  text-align: center;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  border-radius: 50%;
  cursor: pointer;
  margin-right: 7px;
}

.content6_pagination span:last-child {
  margin-right: 0;
}

.content6_pagination span.active {
  background-color: #000;
}

.content6_title {
  width: 660px;
  height: 60px;
  margin-bottom: 52px;
}

.content6_title p {
  font-size: 25px;
  font-weight: bold;
  font-family: zh;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #ffffff;
}

.content6_title span {
  font-size: 59px;
  font-weight: bold;
  font-stretch: normal;
  font-family: HelveticaNeue-Medium;
  letter-spacing: 0px;
  color: #ffffff;
  opacity: 0.5;
  margin-top: -50px;
}

.content1 .intro {
  font-family: zh;
  text-align: left;
  position: relative;
}

.intro_title span {
  display: block;
  font-size: 41px;
  line-height: 45px;
  color: #333333;
  font-family: HelveticaNeue-Medium;
  font-weight: bolder;
}

.intro_left {
  width: 333px;
  float: left;
}

.intro_info {
  background: url("../img/about/text/text.png") no-repeat;
  width: 340px;
  height: 40px;
  background-size: cover;
  margin-top: 20px;
  font-family: zh;
  font-size: 25px;
  line-height: 40px;
  color: #ffffff;
  padding-left: 12px;
  box-sizing: border-box;
}

.intro_detail {
  font-size: 12px;
  line-height: 20px;
  color: #333333;
  font-family: zh;
  margin-top: 14px;
}

.intro_list {
  margin-top: 16px;
}

.intro_list .list_item {
  margin-bottom: 6px;
}

.intro_list .list_item i {
  font-family: HelveticaNeue-Medium;
  font-size: 10px;
  line-height: 8px;
  color: #da291c;
  display: block;
}

.intro_list .list_item span {
  font-family: zh;
  font-size: 14px;
  line-height: 18px;
  color: #da291c;
  display: block;
  font-weight: bold;
}

.intro_list .list_item p {
  font-family: zh;
  font-size: 12px;
  line-height: 22px;
  color: #333333;
  display: block;
  margin-top: 2px;
}

.intro_right {
  float: left;
}

.intro_right .intro_text2 {
  width: 340px;
  height: 50px;
  margin-top: 118px;
  margin-left: 120px;
}

.intro_text2 img {
  width: 23px;
  height: 23px;
  margin-top: 3px;
}

.intro_position {
  width: 260px;
  height: 50px;
  background: url("../img/about/text/text4.png") no-repeat;
  background-size: 100% 100%;
  font-family: zh;
  font-size: 12px;
  line-height: 33px;
  color: #ffffff;
  padding-left: 13px;
  box-sizing: border-box;
}

.intro_right .list {
  position: absolute;
  left: 333px;
  bottom: 0;
  margin-left: 10px;
  top: 405px;
}

.intro_right img {
  margin-right: 3px;
}

.intro_right i {
  font-family: number;
  font-size: 27px;
  /*letter-spacing: -2px;*/
  color: #da291c;
  line-height: 30px;
}

.intro_right b {
  font-weight: normal;
  font-size: 12px;
  color: #333333;
  margin-top: 14px;
  margin-left: 2px;
  font-family: zh;
}

.intro_right span {
  font-family: zh;
  font-size: 12px;
  color: #666666;
  line-height: 150%;
}

.intro_right .list_item {
  margin-bottom: 30px;
}

.intro_right .list_item.mg0 {
  margin-bottom: 0;
}

.content3_text {
  width: 336px;
  text-align: left;
  height: 100vh;
  margin-left: 15%;
  position: absolute;
}

.content3_text .title span {
  font-family: "HelveticaNeue-Medium";
  font-size: 58px;
  line-height: 74px;
  color: #ffffff;
  font-weight: bolder;
}

.content3_text .store {
  background: url("../img/about/content3_textbg.png") no-repeat;
  width: 233px;
  height: 41px;
  background-size: cover;
  padding-left: 22px;
  box-sizing: border-box;
  font-family: zh;
  font-size: 25px;
  color: #000000;
  margin: 20px 0 40px;
  font-weight: bolder;
}

.content3_detail {
  font-family: zh;
  font-size: 14px;
  line-height: 22px;
  color: #ffffff;
  width: 336px;
}
.close {
  display: none;
  position: absolute;
  top: 5%;
  right: 0;
  text-align: right;
  z-index: 999;
  cursor: pointer;
}
.close a {
  font-weight: bold;
  color: white;
  background-color: #6d7380;
  cursor: pointer;
}
.video_block {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 999;
  height: 100vh;
}

.video_block video {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 999;
}