.section {
  background-color: #ffffff;
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.section1 {
  position: relative;
  background: url(../images/banner.jpg?v=1) no-repeat center;
  background-size: cover;
}

.logo-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.logo {
  width: 482px;
  height: 159px;
  background: url(../images/logo.png) no-repeat center top;
  background-size: 482px 159px;
  padding-top: 150px;
}
.fp-wrap {
  width: 1164px;
  margin: 0 auto;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  box-sizing: border-box;
}

.icon1 {
  font-size: 72px;
  color: #cfcece;
  font-weight: 500;
  width: 694px;
  height: 97px;
  background: url(../images/icon1.png) no-repeat center top;
  background-size: 100% 100%;
}
.icon2 {
  font-size: 72px;
  color: #cfcece;
  font-weight: 500;
  width: 713px;
  height: 86px;
  background: url(../images/icon2.png) no-repeat center top;
  background-size: 100% 100%;
}
.icon3 {
  font-size: 72px;
  color: #cfcece;
  font-weight: 500;
  width: 430px;
  height: 83px;
  background: url(../images/icon3.png) no-repeat center top;
  background-size: 100% 100%;
}
.icon4 {
  font-size: 72px;
  color: #cfcece;
  font-weight: 500;
  width: 450px;
  height: 83px;
  background: url(../images/icon4.png) no-repeat center top;
  background-size: 100% 100%;
}
.title1 {
  width: 233px;
  height: 58px;
  font-size: 60px;
  color: #000;
  font-weight: bold;
  background: url(../images/title.png) no-repeat center top;
  background-size: 100% 100%;
  margin-top: 25px;
}
.title2 {
  width: 238px;
  height: 57px;
  font-size: 60px;
  color: #000;
  font-weight: bold;
  background: url(../images/title2.png) no-repeat center top;
  background-size: 100% 100%;
  margin-top: 25px;
}
.title3 {
  width: 234px;
  height: 57px;
  font-size: 60px;
  color: #000;
  font-weight: bold;
  background: url(../images/title3.png) no-repeat center top;
  background-size: 100% 100%;
  margin-top: 25px;
}
.title4 {
  width: 295px;
  height: 57px;
  font-size: 60px;
  color: #000;
  font-weight: bold;
  background: url(../images/title4.png) no-repeat center top;
  background-size: 100% 100%;
  margin-top: 25px;
}
.intro {
  font-size: 20px;
  color: #000;
  font-weight: 400;
  line-height: 1.5;
  margin-top: 20px;
}

.border {
  width: 76px;
  height: 6px;
  background: url(../images/border.jpg) no-repeat center top;
  background-size: 100% 100%;
  margin-left: 3px;
}

.btns-wrap {
  width: 1006px;
  display: flex;
  justify-content: space-between;
  margin: 40px auto 0;
}

.btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 19px;
  color: #696969;
  font-weight: 400;
  cursor: pointer;
  padding-top: 25px;
  box-sizing: border-box;
}

.btn1 {
  width: 176px;
  height: 71px;
  background: url(../images/btn1.png) no-repeat center top;
  background-size: 100% 100%;
}

.btn2 {
  width: 229px;
  height: 71px;
  background: url(../images/btn2.png) no-repeat center top;
  background-size: 100% 100%;
}

.btn3 {
  width: 229px;
  height: 71px;
  background: url(../images/btn2.png) no-repeat center top;
  background-size: 100% 100%;
}

.btn4 {
  width: 176px;
  height: 71px;
  background: url(../images/btn1.png) no-repeat center top;
  background-size: 100% 100%;
}

.btn1.active,
.btn4.active {
  background: url(../images/btn1_s.png) no-repeat center top;
  background-size: 100% 100%;
}

.btn2.active,
.btn3.active {
  background: url(../images/btn2_s.png) no-repeat center top;
  background-size: 100% 100%;
}

.swiper {
  width: 100%;
  height: 887px;
  position: relative;
  margin-top: 50px;
}

.swiper .swiper-container {
  width: 1090px;
  height: 100%;
  margin: 0 auto;
}

.left-arrow {
  width: 57px;
  height: 57px;
  background: url(../images/left.png) no-repeat center top;
  background-size: 100% 100%;
  position: absolute;
  left: -22px;
  top: 395px;
  cursor: pointer;
}

.right-arrow {
  width: 57px;
  height: 57px;
  background: url(../images/right.png) no-repeat center top;
  background-size: 100% 100%;
  position: absolute;
  right: -22px;
  top: 395px;
  cursor: pointer;
}

.name {
  font-size: 48px;
  color: #000;
  font-weight: 400;
  position: absolute;
  right: 38px;
  top: 40px;
}

.line {
  background: url(../images/line.png) no-repeat center top;
  background-size: 100% 100%;
  position: absolute;
  right: 38px;
  top: 124px;
  width: 358px;
  height: 5px;
}

.line2 {
  background: url(../images/line2.png) no-repeat center top;
  background-size: 100% 100%;
  position: absolute;
  right: 38px;
  top: 124px;
  width: 417px;
  height: 5px;
}

.line3 {
  background: url(../images/line3.png) no-repeat center top;
  background-size: 100% 100%;
  position: absolute;
  right: 38px;
  top: 124px;
  width: 477px;
  height: 5px;
}

.line4 {
  background: url(../images/line4.png) no-repeat center top;
  background-size: 100% 100%;
  position: absolute;
  right: 38px;
  top: 124px;
  width: 238px;
  height: 5px;
}

.desc {
  font-size: 24px;
  color: #000;
  width: 998px;
  position: absolute;
  right: 0;
  left: 0;
  top: 160px;
  margin: 0 auto;
  font-weight: 400;
  line-height: 1.7;
}

.desc span {
  font-size: 24px;
  color: #db0025;
  font-weight: 400;
}

.section3 {
  background: url(../images/back.jpg) no-repeat center;
  background-size: cover;
}
.wrap{
  width: 1205px;
  background: url(../images/wrap.png) no-repeat center top;
  background-size: 100% 100%;
  margin-left: -20px;
  padding-bottom: 30px;
}
.develop{
  width: 1164px;
  height: 1106px;
  background: url(../images/develop.png) no-repeat center;
  background-size: 1164px 1106px;
  margin: 0 auto 0;
}
.develop_left{
  width: 468px;
  float: left;
  margin-left: 95px;
  margin-top: 22px;
}
.develop_right{
  width: 433px;
  float: left;
  margin-left: 95px;
  margin-top: 99px;
}
.f34{
  font-size: 34px;
  color: #000;
  font-weight: bold;
  font-family: 'SourceHanSansCN';
  line-height: 1.5
}
.develop_left .f34,.develop_left .f16{
  text-align: right;
}
.f16{
  font-size: 16px;
  color: #525151;
  font-weight: 500;
  word-break: break-all;
  margin-top: 10px;
}
.f16 span{
  color: #db0025;
}
.block .f16{
  text-align: left;
}
.no-break{
  white-space: nowrap;
}
.section4 {
  background: url(../images/back2.jpg) no-repeat center;
  background-size: cover;
}
.back{
  width: 1205px;
  height: 1144px;
  background: url(../images/back3.png) no-repeat center top;
  background-size: 100% 100%;
  margin: 30px auto 0;
  overflow: hidden;
}
.back p{
  font-size: 30px;
  color: #000;
  font-weight: 400;
  width: 680px;
  margin-top: 450px;
  margin-left: 470px;
}

.back p span{
  font-size: 40px;
  color: #db0025;
  font-weight: 400;
}
.section5 {
  background: url(../images/back4.jpg) no-repeat center;
  background-size: cover;
}
.back2{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 1205px;
  height: 1136px;
  background: url(../images/back5.png) no-repeat center top;
  background-size: 100% 100%;
  margin: 30px auto 0;
  overflow: hidden;
}
.jzg{
  width: 485px;
  height: 159px;
  background: url(../images/title5.png) no-repeat center top;
  background-size: 100% 100%;
}
.back2 p{
  font-size: 30px;
  color: #323131;
  font-weight: 400;
  margin-top: 150px;
  margin-bottom: 100px;
}
.mt6{
  margin-top: 6px;
}
.mt48{
  margin-top: 48px;
}
.mt33{
  margin-top: 33px;
}
.mt0{
  margin-top: 0;
}
.mt25{
  margin-top: 25px;
}
.mt8{
  margin-top: -9px;
}
.mt54{
  margin-top: 54px;
}
.mt40{
  margin-top: 40px;
}
.mt11{
  margin-top: 11px;
}
.mt19{
  margin-top: 19px;
}