.section1 {
  height: 600px;
  position: relative;
  display: flex;
  flex-direction: column;
}
.desc p {
  text-align: center;
}
.header {
  padding: 0 2vw;
  height: 70px;
  line-height: 70px;
  /* position: absolute;
  left: 0;
  top: 0; */
  width: 100%;
  overflow: hidden;
  background: #fff;
  box-sizing: border-box;
}

.header .logo {
  display: inline-block;
  vertical-align: middle;
  height: 40px;
  width: 195px;
  background: url(/images/nav-logo.png);
  background-size: 100% 100%;
  margin-bottom: 5px;
}

.swiper-wrapper {
  height: 100vh;
}

.nav-container {
  display: inline-block;
  font-size: 16px;

  margin-left: 50px;
}

.nav-item {
  display: inline-block;
  line-height: 24px;
  padding: 0 20px;
  position: relative;
  font-size: 16px;
}
.nav-item a {
  cursor: pointer;
  color: #333333;
}
.nav-active a {
  color: #447ed9;
}

.nav-active::after {
  content: '';
  height: 12px;
  width: 12px;
  position: absolute;
  left: 50%;
  top: 20px;
  border-radius: 50%;
  transform: translateX(-50%) rotate(45deg);

  border: 3px solid #447ed9;
  border-top: 3px solid transparent;
  border-left: 3px solid transparent;
}

.section1 .contact {
  float: right;
  height: 70px;
  line-height: 70px;
}

.section1 .contact img {
  height: 18px;
  width: 18px;
  vertical-align: sub;
  margin-right: 4px;
}

.section1 .contact a {
  font-size: 14px;
}

.section1 .content {
  text-align: center;
  width: 100vw;
  height: calc(600px - 70px);
  font-size: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background: url(/images/section1_bg.png) no-repeat center;
  background-size: 100% 100%;
}

.section1 .content .left,
.section1 .content .right {
  white-space: nowrap;
}

.section1 .content .left .title {
  font-size: 50px;
  font-weight: 400;
  line-height: 59px;
  color: #fff;
}

.section1 .content .left .sub-title {
  width: 100%;
  margin-top: 30px;
  font-size: 30px;
  font-weight: 400;
  line-height: 32px;
  color: #fff;
  opacity: 0.6;
  display: flex;
  flex-direction: column;
}

.section1 .content .right {
  margin-left: 115px;
  width: 531px;
  height: auto;
}

.section1 .content .right img {
  width: 100%;
  height: auto;
}

.production-nav-area {
  height: 70px;
  font-size: 0;
  text-align: center;
  z-index: 3;
  width: 100%;
  margin: 0 auto;
  background-color: #ffffff;
  box-shadow: 0px 0px 4px rgba(102, 102, 102, 0.16);
}

.section2 .content {
  display: none;
}

.production-nav-area .nav-item {
  display: inline-block;
  vertical-align: middle;
  width: 12%;
  text-align: center;
  font-size: 18px;
  font-weight: 400;
  line-height: 27px;
  color: rgba(51, 51, 51, 1);
  cursor: pointer;
}

.production-nav-area .nav-item p {
  position: relative;
  line-height: 70px;
  display: inline-block;
}

.production-nav-area .active p::after {
  display: block;
  content: '';
  position: absolute;
  height: 4px;
  width: 80%;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: #447ed9;
  border-radius: 2px;
}
.swiper-slide {
  width: 300px; /*设为固定值*/
}
.section2 .content-area .introduction-title {
  margin-top: 60px;
  margin-bottom: 40px;
  font-size: 30px;
  font-weight: bold;
  line-height: 45px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.section2 .content-area .introduction-title .ourservice {
  margin: 0 10px;
}
.section2 .content-area .introduction-title img {
  width: 120px;
}
.section2 .content-area .introduction-title2 {
  /* margin-top: 60px; */
  margin-bottom: 40px;
  font-size: 30px;
  font-weight: bold;
  line-height: 45px;
  text-align: center;
}

.section2 .content-area .desc {
  font-size: 18px;
  font-weight: 400;
  line-height: 30px;
  color: #333;
}

.section2 .content-area .introduction-goodness p {
  font-size: 18px;
  font-weight: 400;
  line-height: 30px;
  color: rgba(102, 102, 102, 1);
}

.section2 .content-area .introduction-goodness p + p {
  margin-top: 10px;
}

.content2 .content2_img_container {
  font-size: 0;
  margin-top: 40px;
}

.content2 .content2_img_container .container-item {
  width: 570px;
  text-align: center;
}

.content2 .content2_img_container .left {
  float: left;
}

.content2 .content2_img_container .right {
  float: right;
}

.content2 .content2_img_container .container-item img {
  width: 100%;
  height: auto;
}

.content2 .content2_img_container .container-item .text {
  display: inline-block;
  margin-top: 20px;
  font-size: 20px;
  font-weight: bold;
  line-height: 29px;
  color: rgba(255, 52, 52, 1);
  white-space: nowrap;
}

.content2 .introduction-title2 {
  margin-top: 100px;
}

.content3 .content3_img_container {
  width: 100%;
  margin-top: 15px;
}

.content3 .content3_img_container img {
  width: 100%;
  height: auto;
}

.content3 .introduction-title2 {
  margin-top: 65px;
}

.content4 .introduction-title2 {
  margin-top: 100px;
}

.content4 .good-item {
  font-size: 0;
  padding: 80px 0;
}

.content4 .good-item:first-of-type {
  padding-top: 0;
}

.content4 .good-item + .good-item {
  border-top: 1px solid #e5e5e5;
}

.content4 .good-item img {
  width: 580px;
  height: auto;
}

.content4 .good-item .title {
  text-align: left;
  margin-top: 30px;
  font-size: 22px;
  font-weight: bold;
  line-height: 36px;
  color: rgba(51, 51, 51, 1);
  opacity: 1;
}

.content4 .good-item p {
  text-align: left;
  margin-top: 10px;
  font-size: 18px;
  font-weight: 400;
  line-height: 30px;
  color: rgba(102, 102, 102, 1);
  opacity: 1;
}

.content4 .good-item .left,
.content4 .good-item .right {
  text-align: left;
  display: inline-block;
  width: 50%;
  vertical-align: top;
}

.content4 .good-item .left p {
  padding-right: 100px;
}

.content4 .good-item .right {
  padding-left: 100px;
  text-align: right;
}

.content4 .good-item .right img {
  margin-left: -100px;
}

.content5 .content5_img_container {
  width: 100%;
}

.content5 .content5_img_container img {
  width: 100%;
  height: auto;
}

.content5 .introduction-title2 {
  margin-top: 55px;
}

.content5 .desc .title {
  margin-top: 43px;
  margin-bottom: 14px;
  font-size: 20px;
  font-weight: 500;
  line-height: 29px;
  color: rgba(51, 51, 51, 1);
  opacity: 1;
}

.content6 .introduction-title2 {
  margin-top: 100px;
}
.content6-box {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-bottom: 80px;
}
.content6-box1 {
  width: 510px;

  color: #333333;
  font-size: 18px;
  line-height: 30px;
  margin-right: 100px;
}
.content6-box2 {
  width: 600px;
}
.content6-box2 img {
  width: 100%;
}
.content6 .good-item {
  font-size: 0;
  padding: 80px 0;
}

.content6 .good-item:first-of-type {
  padding-top: 0;
}

.content6 .good-item + .good-item {
  border-top: 1px solid #e5e5e5;
}

.content6 .good-item img {
  width: 580px;
  height: auto;
}

.content6 .good-item .title {
  text-align: left;
  margin-top: 30px;
  font-size: 22px;
  font-weight: bold;
  line-height: 36px;
  color: rgba(51, 51, 51, 1);
  opacity: 1;
}

.content6 .good-item p {
  text-align: left;
  margin-top: 10px;
  font-size: 18px;
  font-weight: 400;
  line-height: 30px;
  color: rgba(102, 102, 102, 1);
  opacity: 1;
}

.content6 .good-item .left,
.content6 .good-item .right {
  text-align: left;
  display: inline-block;
  width: 50%;
  vertical-align: top;
}

.content6 .good-item .left p {
  padding-right: 50px;
}

.content6 .good-item .right {
  padding-left: 50px;
  text-align: right;
}

.content6 .good-item .right img {
  margin-left: -70px;
}

.content7 .content7_img_container {
  margin-top: 40px;
  width: 100%;
}

.content7 .content7_img_container img {
  width: 100%;
  height: auto;
}

.content7 .introduction-title2 {
  margin-top: 100px;
}

.content8 .content8_img_container {
  margin-top: 10px;
  width: 100%;
}

.content8 .content8_img_container img {
  width: 100%;
  height: auto;
}

.content8 .introduction-title2 {
  margin-top: 70px;
}

.content9 .content9_img_container {
  margin-top: -15px;
  width: 100%;
}

.content9 .content9_img_container img {
  width: 100%;
  height: auto;
}

.content9 .introduction-title2 {
  margin-top: 55px;
}
.head-span,
.head-span:hover {
  font-size: 14px;
  cursor: pointer;
  margin-right: 32px;
  color: #447ed9;
}
.head-apply,
.head-apply:hover {
  background: #447ed9;
  border-radius: 4px;
  padding: 8px 12px;
}

.section2 .swiper-content {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.section2 .swiper-content .swiper-box {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
}
.section2 .swiper-content .swiper-box .left-icon,
.right-icon {
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  background-color: #e1e1e1;
  border-radius: 50%;
  font-size: 20px;
  color: #fff;
}
.section2 .swiper-content .swiper-box .left-icon11,
.right-icon11 {
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  background-color: #e1e1e1;
  border-radius: 50%;
  font-size: 20px;
  color: #fff;
}
.section2 .swiper-content .swiper-box .left-icon:hover,
.right-icon:hover {
  cursor: pointer;
}
.section2 .swiper-content .swiper-box .left-icon11:hover,
.right-icon11:hover {
  cursor: pointer;
}
.section2 .swiper-content .swiper-container {
  width: 940px;
  height: 350px;
  display: flex;
  margin: 0 20px;
  overflow: hidden;
}

.section2 .swiper-content .swiper-container .swiper-wrapper .swiper-slide {
  width: 300px !important;
  height: 350px;

  background: linear-gradient(
    180deg,
    rgba(68, 121, 217, 0.1) 0%,
    rgba(50, 131, 224, 0) 100%
  );

  border-radius: 20px;
  padding: 50px 20px;
  box-sizing: border-box;
}
.section2 .swiper-content .swiper-container111 .swiper-wrapper .swiper-slide {
  width: 300px !important;
  height: 350px;

  background: linear-gradient(
    180deg,
    rgba(68, 121, 217, 0.1) 0%,
    rgba(50, 131, 224, 0) 100%
  );

  border-radius: 20px;
  padding: 50px 20px;
  box-sizing: border-box;
}
.section2
  .swiper-content
  .swiper-container
  .swiper-wrapper
  .swiper-slide
  .swiper-item-title {
  font-size: 24px;
  color: #447ed9;
  font-weight: 600;
  text-align: center;
}
.section2
  .swiper-content
  .swiper-container111
  .swiper-wrapper
  .swiper-slide
  .swiper-item-title {
  font-size: 24px;
  color: #447ed9;
  font-weight: 600;
  text-align: center;
}
.section2
  .swiper-content
  .swiper-container111
  .swiper-wrapper
  .swiper-slide
  .swiper-item-content {
  font-size: 18px;
  margin-top: 20px;
  color: #666666;
}
.section2
  .swiper-content
  .swiper-container
  .swiper-wrapper
  .swiper-slide
  .swiper-item-content {
  font-size: 18px;
  margin-top: 20px;
  color: #666666;
}
.swiper-item-content {
  line-height: 30px;
}