* {
  margin: 0;
  padding: 0;
}

.container {
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

.navs {
  display: flex;
}

.nav {
  width: 97px;
  height: 41px;
  line-height: 41px;
  text-align: center;
  border-left: 1px solid #EEEEEE;
  cursor: pointer;
  padding: 0 8px;
  color: #333;
  position: relative;
}

.nav:hover .sub-navs {
  display: block;
}

.sub-navs {
  display: none;
  border: 1px solid #EEEEEE;
  border-radius: 5px;
  position: absolute;
  top: 40px;
  left: 0;
  background: #fff;
  z-index: 100;
}

.sub-nav {
  width: 97px;
  height: 41px;
  line-height: 41px;
  text-align: center;
  cursor: pointer;
  padding: 0 8px;
  color: #333;
}

.silders {
  width: 100%;
  height: 743px;
  position: relative;
}

.btns {
  position: absolute;
  bottom: 0;
  right: 300px;
  background: #fff;
  padding: 30px 40px;
  display: flex;
  width: 100px;
  justify-content: space-between;
}

.btn {
  width: 8px;
  height: 8px;
  background: #fff;
  border: 1px solid #000;
  border-radius: 3px;
}

.btn.active {
  background: #000;
}

.silder {
  display: none;
  width: 100%;
  height: 743px;
  position: relative;
}

.silder.active {
  display: block;
}

.silder h1 {
  position: absolute;
  top: 250px;
  color: #ffffff;
  text-align: center;
  font-size: 60px;
  width: 100%;
}

.silder h2 {
  font-size: 40px;
  top: 360px;
  position: absolute;
  color: #ffffff;
  text-align: center;
  width: 100%;
}

.first {
  display: flex;
  padding: 80px 0;
}

.first-left {
  flex: 1;
  padding-left: 135px;
  padding-right: 20px;
}

.first-title {
	font-size: 36px;
	color: rgb(51, 51, 51);
	margin-bottom: 50px;
	text-align: center;
}

.first-content {
  font-size: 16px;
  color: rgba(31,37,38,.75);
  line-height: 1.5;
  margin-bottom: 50px;
}

.first-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgb(160, 160, 160);
  width: 122px;
  height: 37px;
}

.first-btn:hover img {
  margin-left: 20px;
}

.second-wrapper {
  padding: 80px 135px;
  background: #f9f9f9;
}

.second {
  display: flex;
  width: 100%;
  background: #ffffff;
  position: relative;
}

.second-right-wrapper {
  position: relative;
  flex: 1;
}

.second-right {
  position: absolute;
  top: 330px;
  left: -100px;
  width: 640px;
  padding: 80px 50px 50px 50px;
  background: #ffffff;
}

.second-title {
  font-size: 24px;
  color: rgb(102, 102, 102);
  margin-bottom: 80px;
}

.title-first {
  font-size: 36px;
  border-bottom: 1px solid #000;
  padding-bottom: 20px;
}

.second-content {
  font-size: 16px;
  color: rgba(31,37,38,.75);
  line-height: 1.5;
}

.second-btn {
  position: absolute;
  bottom: 30px;
  right: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgb(160, 160, 160);
  width: 122px;
  height: 37px;
}

.second-btn:hover img {
  margin-left: 20px;
}

.third-wrapper {
  padding: 80px 135px;
  background: #F2EAD9;
}

.third {
  display: flex;
  width: 100%;
  background: #ffffff;
  position: relative;
}

.third-left-wrapper {
  position: relative;
  flex: 1;
}

.third-left {
  position: absolute;
  top: 330px;
  right: -80px;
  width: 500px;
  padding: 80px 50px 50px 50px;
  background: #ffffff;
}

.third-title {
  font-size: 24px;
  color: rgb(102, 102, 102);
  margin-bottom: 80px;
}

.third-content {
  font-size: 16px;
  color: rgba(31,37,38,.75);
  line-height: 1.5;
}

.third-btn {
  position: absolute;
  bottom: 50px;
  left: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgb(160, 160, 160);
  width: 122px;
  height: 37px;
}

.third-btn:hover img {
  margin-left: 20px;
}

.five-wrapper {
  padding: 80px 135px;
  background: #ffffff;
}

.five {
  display: flex;
  width: 100%;
  background: #ffffff;
  position: relative;
}

.five-left-wrapper {
  flex: 1;
  background: url(../images/4.jpg) 100% 100%;
  height: 427px;
  position: relative;
}

.five-left {
  width: 300px;
  padding: 50px;
  background: #ffffff;
  position: absolute;
  right: -80px;
  top: 80px;
}

.five-right {
  flex: 1;
  background: #000;
  height: 227px;
  padding: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.five-title {
  font-size: 24px;
  color: rgb(102, 102, 102);
  margin-bottom: 50px;
}

.five-content {
  font-size: 16px;
  color: rgba(31,37,38,.75);
  line-height: 1.5;
}

.five-right-content {
  font-size: 14px;
  color: #ffffff;
  line-height: 1.5;
}

.five-right-num {
  display: flex;
  align-items: center;
  font-size: 16px;
  color: #ffffff;
  margin-top: 50px;
}

.five-right-num img {
  margin: 0 10px;
}

.footer {
  margin-top: 50px;
  background: #000;
  color: #ffffff;
  padding: 50px 200px;
  font-family: "Microsoft YaHei", 微软雅黑, MicrosoftJhengHei, 华文细黑, STHeiti, MingLiu;
  color: rgb(204, 204, 204);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-list {
  display: flex;
  width: 100%;
  margin-bottom: 20px;
}

.footer-item {
  flex: 1;
  text-align: center;
}

.footer-rights {
  margin-top: 20px;
}

.up {
  position: fixed;
  bottom: 10px;
  right: 10px;
}
.container .main .a h1 {
	text-align: center;
}

.a_1{ list-style:none;}
li {float: left; width:33%;}
.container{ margin:0px;
padding:0px;}




.container .main .first .b {
	text-align: left;
}