body {
  font-family: Arial;
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  padding-bottom: 1.4rem;
}

p, h1, h2, h3, h4, h5, h6 {
  margin: 0;
}

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

a {
  text-decoration: none;
  cursor: pointer;
}
.zixun-btn-box {
  display: flex;
  justify-content: center;
}
.zixun-btn-box .zixun-btn {
  background-color: #f9bb0b;
  color: #ffffff;
  border-radius: 2px;
  color: #fff;
  font-size: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.zixun-btn-box .zixun-btn img {
  width: 0px;
  height: 0px;
  display: inline-block;
  transition: width 0.5s ease;
}
.zixun-btn-box .zixun-btn:hover img {
  width: 29px;
  height: 16px;
  margin-left: 10px;
}

.banner {
  position: relative;
  margin-top: 20px;
}
.banner .banner-img {
  width: 100%;
  height: auto;
  display: block;
}
.first-section {
  padding: 0 15px;
}
.first-section .first-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  background-color: #f5faff;
}
.first-section .first-content .first-left {
  height: auto;
  display: block;
}
.first-section .first-content .first-right h2 {
  color: #3f51b5;
  font-weight: 700;
}
.first-section .first-content .first-right p {
  color: #757575;
}
.second-section h2, .third-section h2, .fourth-section h2, .sixth-section h2 , .seventh-section h2 
{
  color: #3f51b5;
  text-align: center;
  font-weight: 700;
}
.second-section .second-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0 15px;
}
.second-section .second-content .second-left {
  display: flex;
  flex-direction: column;
  background-color: #f5faff;
}
.second-section .second-content .second-left .left-item {
  border-bottom: 1px solid #fff;
}
.second-section .second-content .second-left .left-item .item-title {
  background-color: #e5f0ff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.second-section .second-content .second-left .left-item .item-title span {
  color: #585858;
  font-size: 20px;
  transition: all 0.15s ease;
}
.second-section .second-content .second-left .left-item .item-title .icon2 {
  display: none;
}
.second-section .second-content .second-left .left-item .item-text {
  display: none;
  font-size: 16px;
}
.second-section .second-content .second-left .left-item:hover .item-title {
  background-color: #3f51b5;
}
.second-section .second-content .second-left .left-item:hover .item-title span {
  color: #fff;
}
.second-section .second-content .second-left .left-item:hover .item-title .icon2 {
  display: block;
}
.second-section .second-content .second-left .left-item:hover .item-title .icon1 {
  display: none;
}
.second-section .second-content .second-left .active .item-title {
  background-color: #3f51b5;
}
.second-section .second-content .second-left .active .item-title .icon2 {
  display: block;
}
.second-section .second-content .second-left .active .item-title .icon1 {
  display: none;
}
.second-section .second-content .second-left .active .item-title span {
  color: #fff;
}
.second-section .second-content .second-left .active .item-text {
  display: block;
}
.second-section .second-content .second-left .left-item:last-child {
  border-bottom: none;
}
.second-section .second-content .second-right .mySwiper {
  width: 100%;
  height: auto;
}
.second-section .second-content .second-right .mySwiper .swiper-wrapper .swiper-slide img {
  width: 100%;
  height: auto;
  display: block;
}
.second-section .second-content .second-right .mySwiper .swiper-pagination {
  text-align: start;
  left: 10px;
  width: auto;
}
.second-section .second-content .second-right .mySwiper .swiper-pagination .swiper-pagination-bullet {
  width: 40px;
  height: 4px;
  border-radius: 0;
  background-color: #e5f0ff;
  opacity: 1;
}
.second-section .second-content .second-right .mySwiper .swiper-pagination .swiper-pagination-bullet-active {
  background-color: #3f51b5;
  opacity: 1;
}

.third-section {
  padding-left: 15px;
  padding-right: 15px;
}
.third-section h2 {
  color: #3f51b5;
  text-align: center;
  font-weight: bold;
}
.third-section .third-content {
  margin-top: 2px;
}
.third-section .third-content .third-item {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-top: 25px;
}
.third-section .third-content .third-item .applica_img {
  width: 100%;
  height: auto;
  display: block;
  transition: all 0.5s;
}
.third-section .third-content .third-item .item-text {
  position: absolute;
  left: 0;
  bottom: 12px;
  width: 100%;
  height: auto;
  color: #fff;
  padding: 0 28px;
  pointer-events: none;
}
.third-section .third-content .third-item .item-text h3 {
  font-weight: 700;
  position: relative;
}
.third-section .third-content .third-item .item-text h3::before {
  content: '';
  position: absolute;
  left: 0;
  height: 1px;
  display: block;
  background: #fff;
}
.third-section-style2 {
  padding-left: 15px;
  padding-right: 15px;
}
.third-section-style2 h2 {
  color: #3f51b5;
  text-align: center;
  font-weight: bold;
}
.third-section-style2 .third-text {
  text-align: center;
  font-size: 16px;
  line-height: 2;
  color: #585858;
  margin: 14px auto;
}
.third-section-style2 .application-list {
  background: #e5f0ff;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.third-section-style2 .application-list .list-left {
  width: 36%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.third-section-style2 .application-list .list-left .left-item {
  height: 31.2%;
  width: 100%;
  background: #fff;
  color: #333;
  text-align: start;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 30px;
  cursor: pointer;
}
.third-section-style2 .application-list .list-left .left-item h3 {
  font-weight: 700;
}
.third-section-style2 .application-list .list-left .left-item.active {
  background: #3f51b5;
  color: #fff;
}
.third-section-style2 .application-list .list-left .left-item.active h3 {
  color: #fff;
}
.third-section-style2 .application-list .list-right {
  width: 62.9%;
}
.third-section-style2 .application-list .list-right .app-img {
  width: 100%;
  height: auto;
  display: none;
}
.third-section-style2 .application-list .list-right .app-img.active {
  display: block;
}

.fourth-section .fourth-section-p {
  text-align: center;
  line-height: 2;
  color: #585858;
  margin: 14px auto;
}
.fourth-section .fourth-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0 15px;
}
.fourth-section .fourth-content .fourth-item {
  display: block;
  width: 48.5%;
  margin-top: 20px;
}
.fourth-section .fourth-content .fourth-item img {
  width: 100%;
  height: auto;
  display: block;
}
.fourth-section .fourth-content .fourth-item a,.fourth-section .fourth-content .fourth-item a:hover {
  color: #fff;
}
.fourth-section .fourth-content .fourth-item p {
  background-color: #3f51b5;
  text-align: center;
  color: #ffffff;
  padding: 12px 0;
}

.fifth-section .fifth-content {
  padding: 0 15px;
}
.fifth-section .fifth-content .fifth-left {
  background-color: #e5f0ff;
  height: 100%;
}
.fifth-section .fifth-content .fifth-left h2 {
  color: #3f51b5;
  line-height: 2;
  font-weight: 700;
}
.fifth-section .fifth-content .fifth-left p {
  color: #585858;
  line-height: 2;
}
.fifth-section .fifth-content .fifth-right {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.fifth-section .fifth-content .fifth-right .right-item {
  background-color: #ecf5f9;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  margin-top: 20px;
  width: 48.6%;
}
.fifth-section .fifth-content .fifth-right .right-item span {
  position: absolute;
  bottom: 0px;
  right: 10px;
  color: #e6edf3;
  font-family: Impact;
  z-index: 0;
  font-style: italic;
}
.fifth-section .fifth-content .fifth-right .right-item .service-item {
  background: #fff;
  border-radius: 50%;
  box-shadow: 1px 1px 16px 0px rgba(20, 26, 63, 0.06);
  position: relative;
  z-index: 2;
}
.fifth-section .fifth-content .fifth-right .right-item .service-item .service-bg {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.fifth-section .fifth-content .fifth-right .right-item .service-item .service-bg .icon-2 {
  display: none;
}
.fifth-section .fifth-content .fifth-right .right-item .service-item .service-bg p {
  color: #1f1e1e;
  margin-top: 5px;
  text-align: center;
}
.fifth-section .fifth-content .fifth-right .right-item:hover .service-item {
  border: dashed 1px rgba(63, 81, 181, 0.5);
}
.fifth-section .fifth-content .fifth-right .right-item:hover .service-item {
  background: #3f51b5;
}
.fifth-section .fifth-content .fifth-right .right-item:hover .service-item .service-bg .icon-1 {
  display: none;
}
.fifth-section .fifth-content .fifth-right .right-item:hover .service-item .service-bg .icon-2 {
  display: block;
}
.fifth-section .fifth-content .fifth-right .right-item:hover .service-item .service-bg p {
  color: #fff;
}

.sixth-section {
  padding: 0 15px;
}
.sixth-section .case-list .case-item {
  display: block;
  color: #212121;
  background-color: #f5faff;
  margin-top: 20px;
}
.sixth-section .case-list .case-item .img-box {
  width: 100%;
  overflow: hidden;
}
.sixth-section .case-list .case-item .img-box img {
  width: 100%;
  height: auto;
  display: block;
  transition: all 0.5s ease;
}
.sixth-section .case-list .case-item .case-info {
  padding: 30px 20px;
  transition: all 0.3s ease;
}
.sixth-section .case-list .case-item .case-info h4 {
  font-weight: 700;
  line-height: 1.5;
  transition: all 0.8s ease;
  color: #212121;
}
.sixth-section .case-list .case-item .case-info p {
  margin-top: 10px;
  line-height: 2;
  transition: all 0.8s ease;
  color: #757575;
}
.sixth-section .case-list .case-item .case-info small {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f9bb0b;
  margin-top: 15px;
  border-radius: 2px;
  width: 135px;
  padding: 10px 0;
  font-size: 18px;
  line-height: 1;
  color: #fff;
}
.sixth-section .case-list .case-item .case-info small img {
  margin-left: 10px;
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: middle;
}
.sixth-section .case-list .case-item:hover .img-box img {
  transform: scale(1.05);
}
.sixth-section .case-list .case-item:hover {
  background-color: #3f51b5;
}
.sixth-section .case-list .case-item:hover .case-info h4 {
  color: #ffffff;
}
.sixth-section .case-list .case-item:hover .case-info p {
  color: #ffffff;
}

.seventh-section .seventh-content {
  padding: 0 15px;
}
.seventh-section .seventh-content p {
  color: #333;
  margin-bottom: 10px;
}
.seventh-section .seventh-content p:last-child {
  margin-bottom: 0;
}
.seventh-section .seventh-content img {
  width: 100%;
  height: auto;
  display: block;
}
.form {
  background: #f9f9f9;
}

@media (max-width: 575px) {
  .col-12 {
    width: 100% !important;
  }
  .zixun-btn-box .zixun-btn {
    padding: 10px 25px;
  }
  .first-section,.fifth-section,.zixun-btn-box {
    margin-top: 30px;
  }
  .third-section-style2,.second-section,.second-section .second-content,.third-section,.fourth-section,.sixth-section,.seventh-section .seventh-content{
    margin-top: 25px;
  }
  .seventh-section {
    margin: 25px auto;
  }
  .first-section .first-content .first-right p,.fourth-section .fourth-section-p,.fifth-section .fifth-content .fifth-left p,
  .sixth-section .case-list .case-item .case-info p,.seventh-section .seventh-content p {
    font-size: 16px;
  }
  .first-section .first-content .first-right h2,.second-section h2,
  .third-section-style2 h2,.third-section h2,.fourth-section h2,.fifth-section h2,.sixth-section h2,.seventh-section h2{
    font-size: 24px;
  }
  .first-section .first-content .first-left {
    width: 100%;
  }
  .first-section .first-content .first-right {
    width: 100%;
    padding: 30px 20px;
  }
  .first-section .first-content .first-right .line1 {
    margin-top: 20px;
  }
  .second-section .second-content .second-left {
    width: 100%;
  }
  .second-section .second-content .second-left .left-item .item-title {
    padding: 15px 20px;
  }
  .second-section .second-content .second-left .left-item .item-text {
    padding: 15px;
    line-height: 1.8;
  }
  .second-section .second-content .second-right {
    width: 100%;
    margin-top: 30px;
  }
  .third-section .third-content .third-item .item-text {
    position: relative;
    padding: 15px 20px;
    color: #333;
    border: 1px solid #ddd;
    bottom: 0;
  }
  .third-section .third-content .third-item .item-text h3 {
    font-size: 18px;
    padding-bottom: 20px;
  }
  .third-section .third-content .third-item .item-text h3::before {
    width: 200px;
    bottom: 10px;
    background: #333;
  }
  .third-section .third-content .third-item .item-text p {
    font-size: 16px;
    line-height: 24px;
  }
  .third-section-style2 .application-list {
    padding: 10px;
  }
  .third-section-style2 .application-list .list-left .left-item h3,.third-section-style2 .application-list .list-left .left-item p {
    font-size: 18px;
    line-height: 24px;
  }
  .third-section-style2 .application-list .list-left {
    width: 100%;
  }
  .third-section-style2 .application-list .list-left .left-item {
    height: 110px;
    padding-left: 15px;
    margin-bottom: 10px;
  }
  .third-section-style2 .application-list .list-left .left-item h3 {
    margin-bottom: 10px;
  }
  .third-section-style2 .application-list .list-right {
    width: 100%;
  }
  .fourth-section .fourth-section-p {
    width: 100%;
  }
  .fourth-section .fourth-content .fourth-item p {
    font-size: 14px;
  }
  .fourth-section .fourth-content .fourth-item {
    width: 48%;
  }
  .fifth-section .fifth-content .fifth-left {
    padding: 20px;
  }
  .fifth-section .fifth-content .fifth-right .right-item {
    height: 220px;
  }
  .fifth-section .fifth-content .fifth-right .right-item span {
    font-size: 60px;
    line-height: 60px;
  }
  .fifth-section .fifth-content .fifth-right .right-item .service-item {
    width: 160px;
    height: 160px;
    padding: 9px;
  }
  .fifth-section .fifth-content .fifth-right .right-item .service-item .service-bg img {
    width: 48px;
    height: 48px;
  }
  .fifth-section .fifth-content .fifth-right .right-item .service-item .service-bg p {
    font-size: 16px;
  }
  .sixth-section .case-list {
    margin-top: 10px;
  }
  .sixth-section .case-list .case-item .case-info h4 {
    font-size: 18px;
  }
  .seventh-section .seventh-content img{
    margin-top: 15px;
  }
}
@media (min-width: 576px) {
  .first-section,.fifth-section,.zixun-btn-box {
    margin-top: 30px;
  }
  .third-section-style2,.second-section,.second-section .second-content,.third-section,.fourth-section,.sixth-section,.seventh-section .seventh-content{
    margin-top: 25px;
  }
  .seventh-section {
    margin: 25px auto;
  }
  .first-section .first-content .first-right p,.fourth-section .fourth-section-p,.fifth-section .fifth-content .fifth-left p,
  .sixth-section .case-list .case-item .case-info p,.seventh-section .seventh-content p {
    font-size: 16px;
  }
  .zixun-btn-box .zixun-btn {
    padding: 10px 45px;
  }
  .first-section .first-content .first-right h2,.second-section h2,
  .third-section-style2 h2,.third-section h2,.fourth-section h2,.fifth-section h2,.sixth-section h2,.seventh-section h2{
    font-size: 24px;
  }
  .first-section .first-content .first-left {
    width: 100%;
  }
  .first-section .first-content .first-right {
    width: 100%;
    padding: 30px;
  }
  .first-section .first-content .first-right .line1 {
    margin-top: 10px;
  }
  .first-section .first-content .first-right p {
    line-height: 1.84;
  }
  .second-section .second-content .second-left {
    width: 100%;
  }
  .second-section .second-content .second-left .left-item .item-title {
    padding: 15px 20px;
  }
  .second-section .second-content .second-left .left-item .item-text {
    padding: 15px;
    height: 170px;
    line-height: 1.8;
  }
  .second-section .second-content .second-right {
    width: 100%;
    margin-top: 30px;
  }
  .third-section .third-content .third-item .item-text h3 {
    font-size: 20px;
    padding-bottom: 22px;
    color: #fff;
  }
  .third-section .third-content .third-item .item-text h3::before {
    width: 280px;
    bottom: 10px;
  }
  .third-section .third-content .third-item .item-text p {
    font-size: 16px;
    line-height: 24px;
  }
  .third-section .third-content .third-item .applica_img:hover{
    transform: scale(1.1);
  }
  .third-section-style2 .application-list {
    padding: 10px;
  }
  .third-section-style2 .application-list .list-left .left-item h3,.third-section-style2 .application-list .list-left .left-item p {
    font-size: 18px;
    line-height: 24px;
  }
  .third-section-style2 .application-list .list-left {
    width: 100%;
  }
  .third-section-style2 .application-list .list-left .left-item {
    height: 110px;
    padding-left: 15px;
    margin-bottom: 10px;
  }
  .third-section-style2 .application-list .list-left .left-item h3 {
    margin-bottom: 10px;
  }
  .third-section-style2 .application-list .list-right {
    width: 100%;
  }
  .fourth-section .fourth-section-p {
    width: 100%;
  }
  .fourth-section .g-4 {
    --bs-gutter-x: 1.55rem;
  }
  .fourth-section .fourth-content .fourth-item p {
    font-size: 16px;
  }
  .fifth-section .g-4 {
    --bs-gutter-y: 1.2rem;
    --bs-gutter-x: 1.2rem;
  }
  .fifth-section .fifth-content .fifth-left {
    padding: 30px;
  }
  .fifth-section .fifth-content .fifth-right .right-item {
    height: 200px;
  }
  .fifth-section .fifth-content .fifth-right .right-item span {
    font-size: 60px;
    line-height: 60px;
  }
  .fifth-section .fifth-content .fifth-right .right-item .service-item {
    width: 160px;
    height: 160px;
    padding: 5px;
  }
  .fifth-section .fifth-content .fifth-right .right-item .service-item .service-bg img {
    width: 48px;
    height: 48px;
  }
  .fifth-section .fifth-content .fifth-right .right-item .service-item .service-bg p {
    font-size: 16px;
  }
  .sixth-section .g-4 {
    --bs-gutter-y: 1.55rem;
    --bs-gutter-x: 1.55rem;
  }
  .sixth-section .case-list .case-item .case-info h4 {
    font-size: 20px;
  }
  .seventh-section .seventh-content img{
    margin-top: 20px;
  }
  .seventh-section .seventh-content p {
    line-height: 1.8;
  }
}