.second-nav-father {
  display: flex;
  justify-content: center;
  border: none;
  /* 移除所有边框 */
  box-shadow: 0px 2px 10px rgba(131, 129, 129, 0.5);
  /* 只为下边框添加阴影效果 */
  position: relative;

}

.second-nav {
  font-size: 18px;
  display: flex;
  height: 64px;
  width: 1200px;
  flex-direction: row;
  justify-content: space-around;
  align-items: center;

}

ul {
  list-style: none;
  padding: 0;
  margin: 0;

}


.second-nav a {
  color: black;

  font-size: 18px;
}

a {
  text-decoration: none;
  /* 去除默认的下划线 */
  outline: none;
  /* 去除旧版浏览器的点击后的外虚线框 */
  /* 去除默认的颜色和点击后变化的颜色 */
}

.second-nav li a {
  display: inline-block;
  text-decoration: none;
  color: black;
}


.second-nav li.current {
  color: #04ccfe;

}

.second-nav li:hover {
  cursor: pointer;
}

.container {
  width: 1200px;
  margin: 0 auto;

  /* background-color: #04ccfe; */

}

.fir-para .title {
  font-size: 24px;
  color: #2355a5;
  display: table;
  margin: 0 auto;
  font-size: 24px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 5px;
  color: #2355a5;


}

p {
  font-size: 20px;
}

.fir-para {
  margin-top: 116px;
}

.fir-para p {
  text-indent: 2em;
  margin: 32px 0;
  width: 1198px;
  height: 140px;
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 30px;
  letter-spacing: 0px;
  color: #030303;

}

.sec-para p {
  text-indent: 2em;
}

.fir-para .third-img {
  height: 620px;
  background-image: url('../images/about/back/back-3.png');
  background-position: -360px -1818px;

}

.sec-para img {
  margin-bottom: 310px;
  margin-top: 98px;
}


/*公司简介*/
.fir-para span {
  font-size: 20px;
  display: block;
  text-align: center;

  margin: 10px 0;
}

/*新闻动态*/
* {
  margin: 0;
  padding: 0;
  list-style: none;
}


/* 轮播图 */
.bannerBox {
  position: relative;
  width: 1200px;
  height: 330px;
  /* box-shadow: 0 0 10px gray; */
  margin: 50px 0;
  border-radius: 5px;
  overflow: hidden;
  /* background-color: rgb(0, 0, 0, .8); */


}

#banner {
  list-style: none;
  position: absolute;
  padding: 0;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  width: 800px;
  height: 200px;
}


#banner:hover {
  cursor: pointer;
}


#banner li {
  float: left;
  position: absolute;
  left: 0px;
  transition-duration: 1s;
}

#banner li div {
  padding: 10px;
  height: 63px;
  width: 385px;
  background-color: rgba(47, 45, 45, 0.3);
  /* opacity: 0.3; */
  color: white;
  position: relative;
  bottom: 73px;
  left: 5px;


}

/* #btn {
  opacity: 1;
  transition: all .5s;
} */

#btn li {
  position: absolute;
  top: 50%;
  width: 18px;
  height: 18px;
  border-top: 3px solid rgba(57, 54, 54, 0.6);
  border-right: 3px solid rgba(57, 54, 54, 0.6);
  z-index: 100;
  cursor: pointer;

}

.bannerBox:hover #btn {
  opacity: 1;
}

/* #btn li:Hover {
  border-color: white;
} */

.prev {
  left: 15px;
  transform: rotate(-135deg);
}

.next {
  right: 15px;
  transform: rotate(45deg);
}


/* 搜索框 */
.search #sea {
  color: #7a7a7a;
  font-size: 16px;
  /* appearance: none; */

  width: 180px;
  border: none;
  border-bottom: 1px solid #eaeaea;
}

.search #inp {
  color: #7a7a7a;
  font-size: 16px;

  width: 180px;
  border: none;
  border-bottom: 1px solid #eaeaea;
}

.search img {
  display: inline;
  color: #7a7a7a;
  position: relative;
  left: -30px;
  width: 1.5%;
  top: 5px;

}

.contents .example {
  border: solid 1px #d4d4d4;

  /* display: flex; */
  height: 193px;
  /* background-color: #04ccfe; */
  align-items: center;
  margin: 50px 0;
  display: none;
}

.contents .example.active {
  display: block;
}

/* .contents .example .pict {
  border: none;
  width: 650px;
  height: 193px;
  background-color: #04ccfe;
  background-image: url('../images/about/news/contents-1.png');
  background-position: -5px -50px;
} */

.contents .details {
  width: 685px;
  cursor: pointer;
  position: relative;
  bottom: 100%;
  left: 470px;


  margin-left: -50px;

}

.contents .example .de-times {
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 30px;
  letter-spacing: 0px;
  color: #666464;
}

.contents .example .de-title {
  font-size: 24px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 30px;
  letter-spacing: 0px;
  color: #030303;
  margin: 22px 0;
}

.contents .example .de-content {
  font-size: 18px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 30px;
  letter-spacing: 0px;
  color: #707070;
}

.contents .example .next-pointer {
  width: 11px;
  height: 27px;
  margin: 0 25px;
  position: relative;
  bottom: 150%;
  left: 1120px;


}




/* 分页器样式 */
.pagination {
  margin-top: 90px;
  text-align: center;
  margin-bottom: 150px;
}

.pagination button {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 8px 16px;
  cursor: pointer;
  margin: 0 5px;
  border-radius: 5px;
}

.pagination button:hover {
  background-color: #0056b3;
}

.page-numbers {
  font-size: 16px;
}

.page-number.active {
  background-color: #28a745;
}

.page-number.active:hover {
  background-color: #218838;
}




/* 研发体系 */
.develop-first {
  height: 627px;
  width: 1200px;
  display: flex;
  justify-content: space-between;
  margin-top: 85px;


}

.develop-first li {
  width: 260px;
  height: 600px;
  text-align: center;
}

.develop-first li span {
  display: block;



  font-size: 24px;
  font-weight: normal;
  font-stretch: normal;

  letter-spacing: 5px;
  color: #454e4b;
  margin: 30px 0;


}

.develop-first-box {
  width: 260px;
  height: 550px;
  border-radius: 20px;
  text-align: center;
}

.develop-first-box .box-content {
  display: block;
  width: 180px;



  font-weight: normal;
  font-stretch: normal;
  font-size: 20px;
  line-height: 30px;
  letter-spacing: 0px;
  color: #ffffff;


  position: relative;
  bottom: 330px;
  left: 39px;



}

.develop-box2 .box-content {
  position: relative;
  bottom: 240px;
  left: 39px;
}

.develop-box3 .box-content {
  position: relative;
  bottom: 245px;
  left: 39px;
}

.develop-box4 .box-content {
  position: relative;
  bottom: 188px;
  left: 39px;
}

.parting-line .rect {
  width: 1199px;
  height: 10px;
  border: solid 2px #2355a5;
  margin: 50px 0;

}

.parting-line {
  text-align: center;
}

.parting-line img {
  display: inline-block;
  position: relative;
  bottom: 75px;

}


/* 研发体系 第二部分 */
.develop-right {
  float: right;
}

.develop-left {
  float: left;
}

.clearfix::after {
  content: '';
  display: table;
  clear: both;
}


.develop-spec {
  width: 882px;
  border-radius: 30px;
  margin: 5px 0;
  height: auto;

}

.develop-spec .content {
  width: 475px;
  height: 83px;
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #1d1717;
}



.develop-spec1 .content {
  position: relative;
  bottom: 168px;
  left: 74px;

}

.develop-spec2 .content {
  position: relative;
  bottom: 145px;
  left: 300px;

}

.develop-spec3 .content {
  position: relative;
  bottom: 145px;
  left: 74px;
}

.develop-spec4 .content {
  position: relative;
  bottom: 145px;
  left: 332px;

}

.develop-spec5 .content {

  position: relative;
  bottom: 158px;
  left: 76px;
}

.develop-spec6 .content {

  position: relative;
  bottom: 145px;
  left: 300px;

}

.develop-second .develop-spec1 {
  position: relative;
  top: 50px;
  left: 50px;

}




/* 资质荣誉 */
.honor-first {
  margin-top: 120px;
  display: flex;
  justify-content: space-around;
  
}
.patent {
  position: relative;
}
.soft {
  position: relative;
}
.honor-first .descr1 {
  position: absolute;
  bottom: 45px;
  left: 120px;
  width: 219px;
  margin: 0 auto;
  font-size: 20px;
}

.honor-first .descr2 {
  position: absolute;
  bottom: 45px;
  left: 120px;
  width: 219px;
  margin: 0 auto;
  font-size: 20px;

}


.honor-second {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-bottom: 100px;
}

.honor-second .certifi {

  margin: 30px 0;

}

.certifi .certifi-bacc {
  position: relative;
  width: 304px;
  height: 483px;
  background-image: url('../images/about/honor/honor-frame.png')
}

.honor-second .certifi .certifi-bacc .content {
  position: absolute;
  top: 35px;
  left: 12px;
}




.honor-second .certifi span {
  display: block;
  width: 300px;
  text-align: center;
  font-size: 20px;
  color: #4c4948;
  margin: 0 auto;

}



/* 下载中心 */
.download .down-main {
  position: relative;
  margin: 60px 0;
}

.download .down-content {
  display: flex;
  width: 640px;
  height: 230px;
  position: absolute;
  top: 35px;
  left: 490px;
  flex-direction: column;
  justify-content: space-around;

}

.download .down-content .down-title {
  font-size: 24px;
  line-height: 14px;
  color: #21519a;
}

.download .down-content p {


  font-size: 20px;
  line-height: 36px;
  color: #272727;

}

.download .down-content span {

  font-size: 18px;
  line-height: 14px;
  color: #727272;
}

.download .down-content a {

  text-decoration: underline;
  font-size: 18px;
  line-height: 30px;
  color: #037efc;
}