.banner {
  width: 100%;
  height: 100vh;
  min-height: 600px;
  background: #3A3861;
  overflow: hidden;
  position: relative;
}
.banner_content {
  height: 100%;
  position: relative;
  z-index: 3;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-justify-content: space-between;
  -moz-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.banner_title {
  font-size: 48px;
  color: #fff;
}
.banner_tip {
  width: 680px;
  font-size: 20px;
  color: #fff;
  line-height: 32px;
  margin-top: 60px;
}
.banner_num {
  font-size: 36px;
  color: #E54D42;
}
.banner_btn {
  display: block;
  width: 140px;
  height: 50px;
  line-height: 50px;
  font-size: 20px;
  border-radius: 6px;
  margin-top: 90px;
}
.banner_form {
  position: absolute;
  top: 50%;
  right: 0;
  width: 392px;
  height: 402px;
  margin-top: -201px;
  border-radius: 14px;
  background-color: rgba(229, 77, 66, 0.6);
  padding: 40px 30px 30px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.banner_form_title {
  font-size: 32px;
  color: #fff;
  font-weight: bold;
}
.banner_form label {
  display: block;
  width: 100%;
  height: 33px;
  position: relative;
  font-size: 16px;
  color: #fff;
  margin-top: 36px;
}
.banner_form label::after {
  content: "";
  display: table;
  clear: both;
}
.banner_form span {
  float: left;
  width: 84px;
  height: 33px;
  line-height: 32px;
  border-bottom: 1px solid #fff;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin-right: 16px;
}
.banner_form input {
  width: 230px;
  height: 33px;
  line-height: 32px;
  border: none;
  border-bottom: 1px solid #fff;
  background-color: transparent;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  vertical-align: bottom;
}
.banner_form input::-webkit-input-placeholder {
  color: #ccc;
}
.banner_form_code {
  position: absolute;
  right: 0;
  top: 0;
  height: 32px;
  line-height: 32px;
  color: #ccc;
  cursor: pointer;
}
.banner_form_code.active {
  color: #fff;
}
.banner_form_btn {
  display: block;
  width: 100%;
  height: 60px;
  border-radius: 6px;
  background-color: #fff;
  font-size: 18px;
  color: #E54D42;
  margin-top: 64px;
}
.banner_form_btn:hover {
  background-color: #f5f5f5;
}
@media (max-width: 768px) {
  .banner {
    min-height: 19rem;
    height: 19rem;
  }
  .banner_content {
    height: 100%;
    max-width: 100%;
    margin: 0;
    padding: 2.75rem 0.9rem 0;
    -webkit-align-items: flex-start;
    -moz-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
  }
  .banner_content.style1 {
    padding-top: 3.5rem;
    -webkit-justify-content: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }
  .banner_content.style1 > div {
    width: 100%;
  }
  .banner_content.style1 .banner_title {
    text-align: center;
  }
  .banner_title {
    font-size: 1.2rem;
    color: #fff;
  }
  .banner_content.style1 .banner_tip {
    display: block;
    width: 15rem;
    text-align: center;
    padding: 0;
    margin: 1.3rem auto 0;
  }
  .banner_tip {
    width: 100%;
    font-size: 0.6rem;
    color: #fff;
    line-height: 1.05rem;
    margin-top: 1.3rem;
    padding-right: 1rem;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  .banner_content.style1 .banner_btn {
    margin: 3.75rem auto 0;
  }
  .banner_btn {
    width: 4.55rem;
    height: 1.65rem;
    line-height: 1.65rem;
    font-size: 0.6rem;
    border-radius: 0.25rem;
    margin-top: 3.75rem;
  }
  .banner_form {
    display: none;
  }
}
.skew_content {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-justify-content: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  padding: 40px 0;
}
.skew_item {
  width: 25%;
  font-size: 24px;
  color: #333;
  text-align: center;
  margin: 0 -4px;
}
.skew_item_img {
  display: block;
  width: 100%;
  height: 241px;
  margin-bottom: 24px;
}
.skew_item_img img {
  display: block;
  width: 100%;
  height: 100%;
}
.skew_item_text {
  padding-right: 20px;
}
.skew_item:first-child {
  margin: 0 -4px 0 0;
}
.skew_item:last-child {
  margin: 0 0 0 -4px;
}
.skew_item:last-child .skew_item_text {
  padding-right: 0;
}
@media (max-width: 768px) {
  .skew_content {
    padding: 1rem 0 0;
  }
  .skew_item {
    width: 48%;
    font-size: 0.6rem;
    margin: 0 -0.1rem 0.75rem;
  }
  .skew_item_img {
    height: 5.875rem;
    margin-bottom: 0.4rem;
    border-radius: 0.5rem;
    overflow: hidden;
  }
  .skew_item_text {
    padding-right: 0.5rem;
  }
  .skew_item:first-child,
  .skew_item:nth-child(3) {
    margin: 0 -0.1rem 0.75rem 0;
  }
  .skew_item:nth-child(2),
  .skew_item:last-child {
    margin: 0 0 0.75rem -0.1rem;
  }
  .skew_item:nth-child(2) .skew_item_text,
  .skew_item:last-child .skew_item_text {
    padding-right: 0;
  }
  .skew_item:nth-child(2) img,
  .skew_item:nth-child(3) img {
    width: 108%;
  }
  .skew_item:nth-child(3) img {
    margin-left: -8%;
  }
}
.about {
  background-color: #fff;
}
.about_title {
  font-size: 36px;
  color: #333;
  font-weight: bold;
  text-align: center;
}
.about_title.white {
  color: white;
}
.about_banner {
  height: 536px;
  background: url('/lipinyun/img/about-banner.jpg') no-repeat center center;
  -o-background-size: cover;
  background-size: cover;
}
.about_banner .main_content {
  height: 100%;
}
.about_banner_title {
  font-size: 48px;
  color: #fff;
  font-weight: bold;
}
.about_banner_tip {
  font-size: 26px;
  color: #fff;
  margin-top: 24px;
}
.about_profile {
  padding: 120px 0 30px;
}
.about_profile_title {
  margin-bottom: 75px;
}
.about_profile_tip {
  font-size: 18px;
  color: #808080;
  text-align: center;
  line-height: 36px;
  margin-bottom: 58px;
}
.about_profile_video-content {
  display: block;
  width: 100%;
  padding-bottom: 56.429%;
  position: relative;
}
.about_profile_video {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
.about_advantage {
  padding: 40px 0 20px;
}
.about_advantage_title {
  margin-bottom: 54px;
}
.about_advantage_item {
  width: 32.143%;
  height: 340px;
  border-radius: 10px;
  background-color: #f5f5f5;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 265px 26px 0;
  font-size: 32px;
  color: #fff;
  margin-bottom: 24px;
  background: url('/lipinyun/img/about-img1.png') center center no-repeat;
  -o-background-size: cover;
  background-size: cover;
}
.about_advantage_item:nth-child(2) {
  background-image: url('/lipinyun/img/about-img2.png');
}
.about_advantage_item:nth-child(3) {
  background-image: url('/lipinyun/img/about-img3.png');
}
.about_advantage_item:nth-child(4) {
  background-image: url('/lipinyun/img/about-img4.png');
}
.about_advantage_item:nth-child(5) {
  background-image: url('/lipinyun/img/about-img5.png');
}
.about_advantage_item:nth-child(6) {
  background-image: url('/lipinyun/img/about-img6.png');
}
.about_resource {
  padding: 40px 0 20px;
}
.about_develop {
  padding: 60px 0 80px;
}
.about_develop_title {
  margin-bottom: 4px;
}
.about_develop_tip {
  font-size: 16px;
  color: #666;
  text-align: center;
  margin-bottom: 80px;
}
.about_develop_content {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.about_develop_list {
  width: 1388px;
  padding: 0 114px;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.about_develop_item {
  width: 25%;
  height: 226px;
  border-top: 1px solid #D9D9D9;
  position: relative;
}
.about_develop_item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: #E34C41;
  margin-top: -8px;
  z-index: 3;
}
.about_develop_item:nth-child(4n+1)::before {
  left: 0;
}
.about_develop_item:last-of-type {
  -webkit-flex: 1 0 0;
  -moz-box-flex: 1;
  -ms-flex: 1 0 0px;
  flex: 1 0 0;
}
.about_develop_item:last-of-type::before {
  left: 14px;
}
.about_develop_item:nth-child(4)::after {
  content: "";
  position: absolute;
  top: -1px;
  bottom: -1px;
  right: -113px;
  width: 226px;
  border: 1px solid #D9D9D9;
  border-radius: 50%;
}
.about_develop_item:nth-child(5) {
  height: 290px;
}
.about_develop_item:nth-child(5)::after {
  content: "";
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -113px;
  width: 226px;
  border: 1px solid #D9D9D9;
  border-radius: 50%;
}
.about_develop_card {
  width: 100%;
  height: 100%;
  position: relative;
  background-color: #fff;
  z-index: 2;
}
.about_develop_time {
  font-size: 24px;
  color: #000;
  font-weight: bold;
  padding-top: 12px;
  margin-bottom: 20px;
}
.about_develop_desc {
  max-width: 260px;
  font-size: 14px;
  color: #666;
  line-height: 28px;
  padding-right: 10px;
}
.about_develop_item:last-of-type .about_develop_desc {
  max-width: 458px;
}
.about_certificate {
  height: 850px;
  background: url('/lipinyun/img/about-certificate-bg.jpg') no-repeat center center;
  -o-background-size: cover;
  background-size: cover;
  padding: 110px 40px 80px;
}
.about_certificate_title {
  margin-bottom: 10px;
}
.about_certificate_tip {
  font-size: 16px;
  color: #fff;
  text-align: center;
}
.about_certificate [class^="swiper-button"] {
  width: 60px;
  --swiper-navigation-color: rgba(255, 255, 255, 0.5);
}
.about_certificate [class^="swiper-button"]:hover {
  --swiper-navigation-color: #fff;
}
.about_certificate_content {
  height: 600px;
}
.about_certificate_img {
  display: block;
  height: 448px;
}
.about_certificate .swiper-container {
  height: 100%;
}
.about_certificate .swiper-slide {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  width: auto !important;
  min-width: 320px;
  padding: 20px;
}
.about_teams {
  padding: 120px 0 80px;
}
.about_teams_title {
  margin-bottom: 4px;
}
.about_teams_tip {
  font-size: 16px;
  color: #666;
  text-align: center;
  margin-bottom: 80px;
}
.about_teams_list {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  padding: 0.1rem;
}
.about_teams_item {
  padding: 0.375rem;
}
.about_teams_item img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.about_teams_item.item1 {
  -webkit-flex: 1 0 20rem;
  -moz-box-flex: 1;
  -ms-flex: 1 0 20rem;
  flex: 1 0 20rem;
  height: 17rem;
}
.about_teams_item.item2 {
  -ms-flex-negative: 0;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  width: 11.4rem;
  height: 17rem;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-direction: column;
  -moz-box-orient: vertical;
  -moz-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-justify-content: space-between;
  -moz-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}
.about_teams_item.item2 img {
  height: 7.7rem;
}
.about_teams_item.item3,
.about_teams_item.item5 {
  -ms-flex-negative: 0;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  width: 12.1rem;
  height: 17rem;
}
.about_teams_item.item4 {
  -webkit-flex: 1 0 33rem;
  -moz-box-flex: 1;
  -ms-flex: 1 0 33rem;
  flex: 1 0 33rem;
  height: 19.75rem;
}
.about_teams_item.item5 {
  height: 19.75rem;
}
.about_teams_swiper {
  padding: 0.5rem 0.475rem;
}
.about_teams_img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.about_teams [class^="swiper-button"] {
  width: 1.5rem;
  --swiper-navigation-color: rgba(255, 255, 255, 0.5);
}
.about_teams [class^="swiper-button"]:hover {
  --swiper-navigation-color: #fff;
}
.about_teams .swiper-container {
  height: 12.5rem;
}
.about_teams .swiper-slide {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
@media (max-width: 768px) {
  .about {
    background-color: #fff;
  }
  .about_title {
    font-size: 0.9rem;
  }
  .about_banner {
    height: 12.5rem;
    background-image: url('/lipinyun/img/about-banner-phone.jpg');
    padding: 3.2rem 0.5rem 0 1rem;
  }
  .about_banner .main_content {
    -webkit-justify-content: flex-start;
    -moz-box-pack: start;
    -ms-flex-pack: start;
    justify-content: flex-start;
  }
  .about_banner_title {
    font-size: 1.2rem;
  }
  .about_banner_tip {
    width: 14.85rem;
    font-size: 0.6rem;
    margin-top: 1.2rem;
    line-height: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
  }
  .about_profile {
    padding: 2.35rem 0 0.75rem;
  }
  .about_profile .main_content {
    padding: 0 1rem;
  }
  .about_profile_title {
    margin-bottom: 0.65rem;
  }
  .about_profile_tip {
    font-size: 0.55rem;
    color: rgba(51, 51, 51, 0.8);
    line-height: 1.05rem;
    margin-bottom: 1.35rem;
  }
  .about_profile_video-content {
    width: 100%;
    padding-bottom: 41.493%;
  }
  .about_profile_video {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
  }
  .about_advantage {
    padding: 1rem 0 0;
  }
  .about_advantage .main_content {
    padding: 0 1rem;
  }
  .about_advantage_title {
    margin-bottom: 1.35rem;
  }
  .about_advantage_item {
    width: 50%;
    max-width: 8.125rem;
    height: 6.125rem;
    border-radius: 0.25rem;
    padding: 4.65rem 0.5rem 0;
    font-size: 0.7rem;
    margin-bottom: 0.5rem;
  }
  .about_resource {
    padding: 1rem 0 0.5rem;
  }
  .about_certificate {
    height: 21rem;
    background: url('/lipinyun/img/about-phone-certificate-bg.jpg') no-repeat center center;
    -o-background-size: cover;
    background-size: cover;
    padding: 2.5rem 0 2rem;
  }
  .about_certificate_title {
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
  }
  .about_certificate_tip {
    font-size: 0.55rem;
  }
  .about_certificate_content {
    height: 11.2rem;
    margin-top: 2rem;
  }
  .about_certificate_img {
    display: block;
    height: 11.2rem;
  }
  .about_certificate .swiper-container {
    height: 100%;
  }
  .about_certificate .swiper-slide {
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    width: auto !important;
    min-width: 8rem;
    padding: 0.25rem;
  }
  .about_develop {
    padding: 1rem 0 1rem;
  }
  .about_develop_title {
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
  }
  .about_develop_tip {
    font-size: 0.55rem;
    margin-bottom: 1.2rem;
  }
  .about_develop_content {
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-justify-content: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }
  .about_develop_list {
    width: 100%;
    padding: 0 1rem 0 1.2rem;
  }
  .about_develop_item {
    width: 100%;
    height: auto;
    border-top: none;
    border-left: 1px solid #D9D9D9;
    -webkit-order: 9;
    -moz-box-ordinal-group: 10;
    -ms-flex-order: 9;
    order: 9;
    position: relative;
    z-index: 6;
  }
  .about_develop_item::before {
    content: "";
    position: absolute;
    top: 0;
    left: -0.225rem;
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 50%;
    background-color: #E54D42;
    margin-top: 0;
    z-index: 3;
  }
  .about_develop_item:nth-child(4n+1)::before {
    left: -0.225rem;
  }
  .about_develop_item:nth-child(1) {
    -webkit-order: 1;
    -moz-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1;
    z-index: 1;
  }
  .about_develop_item:nth-child(2) {
    -webkit-order: 2;
    -moz-box-ordinal-group: 3;
    -ms-flex-order: 2;
    order: 2;
    z-index: 1;
  }
  .about_develop_item:nth-child(3) {
    -webkit-order: 3;
    -moz-box-ordinal-group: 4;
    -ms-flex-order: 3;
    order: 3;
    z-index: 1;
  }
  .about_develop_item:nth-child(4) {
    -webkit-order: 4;
    -moz-box-ordinal-group: 5;
    -ms-flex-order: 4;
    order: 4;
    z-index: 1;
  }
  .about_develop_item:nth-child(4)::after {
    content: none;
  }
  .about_develop_item:nth-child(5) {
    -webkit-order: 8;
    -moz-box-ordinal-group: 9;
    -ms-flex-order: 8;
    order: 8;
    z-index: 5;
  }
  .about_develop_item:nth-child(5)::after {
    content: none;
  }
  .about_develop_item:nth-child(6) {
    -webkit-order: 7;
    -moz-box-ordinal-group: 8;
    -ms-flex-order: 7;
    order: 7;
    z-index: 4;
  }
  .about_develop_item:nth-child(7) {
    -webkit-order: 6;
    -moz-box-ordinal-group: 7;
    -ms-flex-order: 6;
    order: 6;
    z-index: 3;
  }
  .about_develop_item:nth-child(8) {
    -webkit-order: 5;
    -moz-box-ordinal-group: 6;
    -ms-flex-order: 5;
    order: 5;
    z-index: 2;
  }
  .about_develop_item:last-of-type {
    -webkit-flex: initial;
    -moz-box-flex: initial;
    -ms-flex: initial;
    flex: initial;
  }
  .about_develop_item:last-of-type::before {
    left: -0.225rem;
  }
  .about_develop_card {
    padding-left: 0.8rem;
    padding-bottom: 1.2rem;
  }
  .about_develop_time {
    font-size: 0.7rem;
    padding-top: 0;
    margin-bottom: 0.25rem;
    position: relative;
    top: -0.25rem;
  }
  .about_develop_desc {
    width: auto;
    font-size: 0.55rem;
    line-height: 0.85rem;
  }
  .about_develop_item:last-of-type .about_develop_card {
    padding-bottom: 0.5rem;
  }
  .about_develop_item:last-of-type .about_develop_desc {
    width: auto;
  }
  .about_teams {
    padding: 2rem 0;
  }
  .about_teams_title {
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
  }
  .about_teams_tip {
    font-size: 0.55rem;
    margin-bottom: 1.4rem;
    padding: 0 2.4rem;
  }
  .about_teams_list {
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    padding: 0.3rem;
  }
  .about_teams_item {
    padding: 0.2rem;
  }
  .about_teams_item.item1 {
    -webkit-flex: 1 0 50%;
    -moz-box-flex: 1;
    -ms-flex: 1 0 50%;
    flex: 1 0 50%;
    height: 8.65rem;
    -webkit-order: 1;
    -moz-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1;
  }
  .about_teams_item.item2 {
    width: 5.8rem;
    height: 8.65rem;
    -webkit-order: 2;
    -moz-box-ordinal-group: 3;
    -ms-flex-order: 2;
    order: 2;
  }
  .about_teams_item.item2 img {
    height: 3.95rem;
  }
  .about_teams_item.item3,
  .about_teams_item.item5 {
    -ms-flex-negative: 0;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
    width: 50%;
    height: 12.7rem;
    -webkit-order: 4;
    -moz-box-ordinal-group: 5;
    -ms-flex-order: 4;
    order: 4;
  }
  .about_teams_item.item4 {
    -webkit-flex: 1 0 100%;
    -moz-box-flex: 1;
    -ms-flex: 1 0 100%;
    flex: 1 0 100%;
    height: 10.2rem;
    -webkit-order: 3;
    -moz-box-ordinal-group: 4;
    -ms-flex-order: 3;
    order: 3;
  }
  .about_teams_item.item5 {
    height: 12.7rem;
  }
  .about_teams_swiper {
    padding: 0.5rem 0;
    overflow: hidden;
  }
  .about_teams .swiper-container {
    height: 8.95rem;
    width: 11.1rem;
    overflow: initial;
  }
}