.wrap {
  width: 1440px;
  margin: 0 auto;
}
.color1 {
  background-color: #00AEE7;
}
.color2 {
  background-color: #8CC22E;
}
.color3 {
  background-color: #EF8000;
}
.color4 {
  background-color: #E62981;
}
.color5 {
  background-color: #8CC22E;
}
.color6 {
  background-color: #FFDE00;
}
.color7 {
  background-color: #E62981;
}
.color8 {
  background-color: #00AEE7;
}
.title {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
}
.title h4 {
  font-size: 36px;
  color: #113D4C;
  line-height: 54px;
}
.title h2 {
  font-size: 64px;
  color: #333333;
  line-height: 96px;
  padding-top: 8px;
  padding-bottom: 24px;
}
.title .title_color {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.title .title_color .title_color1 {
  width: 108px;
  height: 8px;
}
.title .title_color .title_color2 {
  width: 40px;
  height: 8px;
}
.title .title_text {
  margin-top: 24px;
}
.title .title_text p {
  font-size: 24px;
  color: #7F7F7F;
  line-height: 36px;
  letter-spacing: 3px;
}
.auto {
  align-items: center;
}
.auto .title_text {
  text-align: center;
}
.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  transition: all 500ms ease;
  z-index: 100;
}
.header_container {
  width: 100%;
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header_container .logo {
  width: 218px;
}
.header_container .logo img {
  width: 100%;
}
.header_container .nav {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.header_container .nav li {
  margin: 0 50px;
}
.header_container .nav li.active a .nav_bottom {
  display: block;
}
.header_container .nav li a {
  font-size: 16px;
  color: #FFFFFF;
  line-height: 20px;
  font-weight: 600;
  padding-bottom: 6px;
  position: relative;
}
.header_container .nav li a .nav_bottom {
  display: none;
}
.header_container .nav li a .nav_bottom_content {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.header_container .nav li a .nav_bottom1 {
  width: 68.75%;
  height: 100%;
  background-color: #ffde00;
}
.header_container .nav li a .nav_bottom2 {
  width: 31.25%;
  height: 100%;
  background-color: #ef8000;
}
.banner {
  position: relative;
}
.banner .banner_content {
  display: block;
}
.banner .banner_content img {
  width: 100%;
}
.banner .banner_text {
  position: absolute;
  bottom: 240px;
  left: 120px;
  z-index: 2;
}
.banner .swiper-pagination-bullet {
  width: 24px;
  height: 2px;
  background: #E7E7E7;
  border-radius: 0;
}
.banner .swiper-pagination-bullet-active {
  width: 48px;
  height: 2px;
  background: #333333;
}
.ai {
  padding-top: 54px;
  padding-bottom: 94px;
  background: url(../images/bg1.jpg) no-repeat scroll center center;
  background-size: 100% auto;
}
.ai_container {
  margin-top: 60px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.ai_container li {
  width: 309px;
  height: 389px;
}
.ai_container li .ai_content {
  width: 100%;
  height: 100%;
  padding: 0 24px;
  background: #FFFFFF;
  box-sizing: border-box;
  box-shadow: 6px 6px 37px -7px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.2s linear;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}
.ai_container li:hover .ai_content {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  transform: translate3d(0, -6px, 0);
}
.ai_container li .ai_img {
  width: 75px;
  height: 75px;
  margin-top: 68px;
  margin-bottom: 45px;
}
.ai_container li .ai_img img {
  width: 100%;
}
.ai_container li h5 {
  font-size: 24px;
  color: #333333;
  line-height: 33px;
}
.ai_container li .ai_text {
  padding-top: 16px;
  font-size: 20px;
  color: #333333;
  line-height: 30px;
}
.choice .choice_wrap {
  position: relative;
  padding-top: 360px;
  padding-bottom: 80px;
}
.choice_container {
  display: flex;
  flex-direction: row-reverse;
  flex-wrap: wrap-reverse;
  justify-content: flex-start;
  align-items: flex-start;
}
.choice_container li {
  width: 240px;
  height: 240px;
  cursor: pointer;
  perspective: 1000px;
}
.choice_container li:hover .choice_img {
  transform: rotateY(180deg);
}
.choice_container li .choice_img {
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform 750ms ease;
  transform-style: preserve-3d;
}
.choice_container li .choice_img .choice_img_content {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  backface-visibility: hidden;
}
.choice_container li .choice_img .choice_img_content img {
  width: 100%;
  height: 100%;
}
.choice_container li .choice_img .choice_qr {
  transform: rotateY(180deg);
}
.choice_text {
  position: absolute;
  top: 128px;
  left: 0;
}
.about {
  padding-top: 54px;
  padding-bottom: 146px;
  background: url(../images/bg2.png) no-repeat scroll center center;
  background-size: 100% auto;
}
.about_container {
  margin-top: 125px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.about_content {
  width: 660px;
}
.about_content .about_title {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.about_content .about_title img {
  width: 30px;
  height: 38px;
}
.about_content .about_title h5 {
  font-size: 24px;
  color: #333333;
  line-height: 28px;
  margin: 0 18px;
}
.about_content .about_text {
  margin-top: 51px;
  font-size: 20px;
  color: #333333;
  line-height: 30px;
  letter-spacing: 3px;
}
.about_img {
  width: 667px;
  height: 289px;
}
.about_img img {
  width: 100%;
}
.footer {
  background-color: #f2f2f2;
}
.footer_container {
  padding: 40px 280px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.footer_content {
  width: 710px;
  height: 120px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: flex-start;
}
.footer_info {
  width: 355px;
  height: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
}
.footer_info .footer_info_content {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.footer_info .footer_info_content .footer_info_img {
  width: 16px;
  height: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.footer_info .footer_info_content .footer_info_img .img1 {
  width: 100%;
}
.footer_info .footer_info_content .footer_info_img .img2 {
  height: 100%;
}
.footer_info .footer_info_content h6 {
  margin: 0 4px;
  font-size: 14px;
  color: #333333;
  line-height: 20px;
  font-weight: 600;
}
.footer_info .footer_info_text {
  font-size: 14px;
  color: #7F7F7F;
  line-height: 20px;
}
.footer_qr {
  width: 170px;
  height: 120px;
  border-left: 1px solid #e8e8e8;
  box-sizing: border-box;
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}
.footer_qr_content .footer_qr_title {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.footer_qr_content .footer_qr_title img {
  width: 16px;
  height: 13px;
}
.footer_qr_content .footer_qr_title h6 {
  padding-left: 3px;
  font-size: 14px;
  color: #333333;
  font-weight: 600;
  line-height: 20px;
}
.footer_qr_content .footer_qr_img {
  width: 90px;
  height: 90px;
  margin-top: 8px;
  cursor: pointer;
}
.footer_qr_content .footer_qr_img img {
  width: 100%;
}
.copyright {
  font-size: 14px;
  color: #7F7F7F;
  line-height: 20px;
  text-align: center;
  padding-bottom: 8px;
}