:root {
  /* 颜色系统 */
  --on-color: #00348c;
  /*选中颜色*/
  --text-color: #333;
  /* 正文文字 */
  --bg-color: #f5f5f5;
  /* 背景色 */
  /* 字体系统 */
  --base-font-size: 16px;
  /* 基准字号 */
  --heading-font-size: 2rem;
  /* 标题比例 */
  --title: 40px;
  --title-two: 30px;
  --des: 18px;
  --btn: 15px;
  --mt: 80px;
  --pt: 100px;
}
@font-face {
  font-family: 'SourceHanSansCN';
  src: url('SourceHanSansCN-Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  color: var(--text-color);
  background-color: #fff;
  font-family: 'SourceHanSansCN', sans-serif;
}
/* 容器样式 */
.container {
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
}
/* 标题样式 */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-color);
}
h1 {
  font-size: 2.5em;
}
h2 {
  font-size: 2em;
}
h3 {
  font-size: 1.75em;
}
h4 {
  font-size: 1.5em;
}
h5 {
  font-size: 1.25em;
}
h6 {
  font-size: 1em;
}
/* 链接样式 */
a {
  color: var(--text-color);
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
/* 列表样式 */
ul,
ol {
  list-style: none;
}
/* 按钮样式 */
button,
.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 1em;
  color: #fff;
  background-color: var(--on-color);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
button:hover,
.btn:hover {
  background-color: var(--on-color);
}
/* 图片样式 */
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}
/* 表格样式 */
table {
  width: 100%;
  margin-bottom: 20px;
  border-collapse: collapse;
}
th,
td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}
th {
  background-color: #f4f4f4;
}
/* 表单样式 */
input,
textarea,
select {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}
input[type="submit"] {
  background-color: var(--on-color);
  color: #fff;
  border: none;
  cursor: pointer;
}
input[type="submit"]:hover {
  background-color: var(--on-color);
}
header {
  width: 100%;
  height: 100px;
  background: #fff;
  z-index: 999;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  transition: all 0.5s;
}
header .container {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
header .container .logo {
  height: 100px;
  display: flex;
  align-items: center;
}
header .container .logo img {
  height: 100%;
}
header .container ul {
  display: flex;
  align-items: center;
  height: 100px;
}
header .container ul li {
  padding: 0 20px;
  margin: 0 20px;
  height: 100%;
  line-height: 100px;
  cursor: pointer;
}
header .container ul li a {
  transition: all 0.5s;
  font-size: 18px;
  color: #333;
}
header .container ul li:hover,
header .container ul li.active {
  border-bottom: 2px solid var(--on-color);
}
header .container ul li:hover a,
header .container ul li.active a {
  color: var(--on-color) !important;
  font-weight: bold;
}
.m-header {
  background: #0078d7;
  display: none;
  justify-content: space-between;
  height: 50px;
  padding: 0 15px;
  align-items: center;
  position: relative;
  z-index: 999;
}
.m-header .img {
  height: 100%;
}
.m-header .img img {
  height: 100%;
  width: auto;
}
.m-header .btns {
  display: flex;
  flex-direction: column;
}
.m-header .btns span {
  display: block;
  width: 30px;
  background: #fff;
  height: 2px;
  margin: 5px 0;
  transition: all 0.5s;
}
.m-header .btns.on span:nth-child(1) {
  transform: rotate(45deg) translateX(27%);
}
.m-header .btns.on span:nth-child(2) {
  display: none;
}
.m-header .btns.on span:nth-child(3) {
  transform: rotate(-45deg) translateX(27%);
}
.m-header .menu {
  display: none;
  position: absolute;
  width: 100%;
  top: 50px;
  left: 0;
}
.m-header .menu a {
  display: block;
  padding: 10px;
  background: #fff;
}
footer {
  padding-top: 80px;
  background: #333;
  box-sizing: content-box;
}
footer .container {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
}
footer .container .f_menu h3 {
  height: 58px;
  line-height: 58px;
  font-size: 18px;
  font-weight: bold;
  color: #fff;
}
footer .container .f_menu ul {
  display: flex;
  flex-wrap: wrap;
}
footer .container .f_menu ul li {
  width: 50%;
}
footer .container .f_menu ul li a {
  height: 42px;
  line-height: 42px;
  font-size: 14px;
  color: #e5e5e5;
}
footer .container .f_contact h3 {
  height: 58px;
  line-height: 58px;
  font-size: 18px;
  font-weight: bold;
  color: #fff;
}
footer .container .f_contact p {
  width: 80%;
  height: 42px;
  line-height: 42px;
  font-size: 14px;
  color: #e5e5e5;
}
footer .container .forms .submit {
  display: flex;
  justify-content: center;
}
footer .container .forms .submit button {
  background: #fff;
  color: var(--on-color);
  width: 30%;
}
footer .container > div {
  width: 30%;
  border-right: 1px solid #ccc;
}
footer .container > div:last-child {
  border-right: none;
}
footer .footer_bottom {
  background-color: #000;
  color: #e5e5e5;
  padding: 20px 0;
  text-align: center;
}
footer .footer_bottom a {
  color: #e5e5e5;
}
.index_about {
  padding: 80px 0;
  background: fixed url("../images/a6.png") no-repeat;
  background-size: cover;
  position: relative;
  overflow: hidden;
}
.index_about .title {
  text-align: center;
  font-size: var(--title);
}
.index_about .content {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding-top: var(--pt);
  z-index: 2;
}
.index_about .content .left {
  width: 45%;
}
.index_about .content .left h3 {
  font-size: var(--title);
  font-weight: normal;
  margin-bottom: var(--mt);
}
.index_about .content .left p {
  font-size: var(--des);
  color: #666;
  margin-bottom: var(--mt);
  line-height: 2.5;
}
.index_about .content .left div {
  font-size: var(--btn);
}
.index_about .content .left div a {
  background-color: #00348c;
  color: #fff;
  display: block;
  width: 187px;
  height: 54px;
  border-radius: 27px 27px 0 27px;
  text-align: center;
  line-height: 54px;
}
.index_about .content .left div a img {
  transition: 0.5s;
  display: inline-block;
  vertical-align: middle;
  height: 9px;
  margin-left: 16px;
}
.index_about .content .left div a:hover img {
  margin-left: 25px;
}
.index_about .content .right {
  width: 45%;
}
@keyframes hotBefore2 {
  0% {
    transform: translateX(0%);
  }
  50% {
    transform: translateX(10%);
  }
  100% {
    transform: translateX(0%);
  }
}
.index_about .a_imgs {
  z-index: 1;
  position: absolute;
  right: 0;
  bottom: 0;
  animation-name: hotBefore2;
  animation: hotBefore2 20s ease infinite;
}
.index_case {
  padding: 80px 0;
}
.index_case .title {
  text-align: center;
  font-size: var(--title);
}
.index_case .content {
  position: relative;
  padding-top: var(--pt);
  z-index: 2;
}
.index_case .content ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.index_case .content ul li {
  width: 33%;
  padding: 20px;
}
.index_case .content ul li a {
  display: block;
}
.index_case .content ul li a .img {
  width: 100%;
  overflow: hidden;
}
.index_case .content ul li a .img img {
  width: 100%;
  transition: all 0.5s;
}
.index_case .content ul li a p {
  font-size: var(--des);
  text-align: center;
  line-height: 2.5;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index_case .content ul li a:hover .img img {
  transform: scale(1.1);
}
.index_case .content .more {
  font-size: var(--btn);
  display: flex;
  justify-content: center;
  margin-top: 40px;
}
.index_case .content .more a {
  background-color: #00348c;
  color: #fff;
  display: block;
  width: 187px;
  height: 54px;
  border-radius: 27px 27px 0 27px;
  text-align: center;
  line-height: 54px;
}
.index_case .content .more a img {
  transition: 0.5s;
  display: inline-block;
  vertical-align: middle;
  height: 9px;
  margin-left: 16px;
}
.index_case .content .more a:hover img {
  margin-left: 25px;
}
.map {
  background: #f0f8ff;
  padding: 80px 0;
  position: relative;
}
.map .title {
  text-align: center;
  font-size: var(--title);
}
.map .content {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding-top: var(--pt);
  z-index: 2;
}
.map .content .left {
  flex: 1;
  padding-right: 80px;
}
.map .content .left h3 {
  font-size: var(--title);
  font-weight: normal;
  margin-bottom: var(--mt);
}
.map .content .left p {
  font-size: var(--des);
  color: #666;
  margin-bottom: var(--mt);
  line-height: 2.5;
}
.map .content .left div {
  font-size: var(--btn);
}
.map .content .left div a {
  background-color: #00348c;
  color: #fff;
  display: block;
  width: 187px;
  height: 54px;
  border-radius: 27px 27px 0 27px;
  text-align: center;
  line-height: 54px;
}
.map .content .left div a img {
  transition: 0.5s;
  display: inline-block;
  vertical-align: middle;
  height: 9px;
  margin-left: 16px;
}
.map .content .left div a:hover img {
  margin-left: 25px;
}
.map .content #main {
  width: 60%;
  height: 100%;
  min-height: 500px;
}
.advantage {
  padding: 80px 0;
}
.advantage .title {
  text-align: center;
  font-size: var(--title);
}
.advantage .content {
  position: relative;
  padding-top: var(--pt);
  z-index: 2;
}
.advantage .content ul {
  display: flex;
}
.advantage .content ul li {
  width: 20%;
  margin-right: 2%;
  height: 600px;
  border-radius: 20px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  transition: all 1s;
  position: relative;
  overflow: hidden;
  color: #fff;
}
.advantage .content ul li p {
  font-size: 24px;
  margin-bottom: 20px;
}
.advantage .content ul li div {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}
.advantage .content ul li:last-child {
  margin-right: 0;
}
.advantage .content ul li:first-child {
  width: 34%;
}
.advantage .content ul li:nth-child(1) {
  background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.5)), url(../images/7170458.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.advantage .content ul li:nth-child(2) {
  background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.5)), url(../images/20179090.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.advantage .content ul li:nth-child(3) {
  background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.5)), url(../images/20554310.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.advantage .content ul li:nth-child(4) {
  background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.5)), url(../images/ISS_24519_54551.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.index_bottom {
  padding: 100px;
  background: fixed url(../images/438371ca-b1cb-47a8-8af1-f88f891148d2.jpg) no-repeat;
  background-size: cover;
}
.index_bottom p {
  font-size: var(--title-two);
  text-align: center;
  color: #fff;
}
.breadcrumb {
  position: relative;
  padding-left: 40px;
  min-height: 50px;
  display: flex;
  align-items: center;
}
.breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
}
.breadcrumb::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 35px;
  height: 35px;
  transform: translateY(-50%);
  background: url(../images/home.png);
}
.list_con {
  margin: 50px auto;
}
.list_con .title {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.list_con .title h3 {
  font-size: var(--title);
  margin-bottom: 10px;
  color: var(--on-color);
}
.list_con .title p {
  font-size: var(--title-two);
  margin-bottom: 10px;
  color: var(--on-color);
}
.list_con .content {
  display: flex;
  flex-wrap: wrap;
  margin: 50px;
}
.list_con .content li {
  width: 33%;
  padding: 1%;
}
.list_con .content li a {
  display: block;
  border: 1px solid var(--on-color);
}
.list_con .content li a .img {
  position: relative;
  overflow: hidden;
}
.list_con .content li a .img img {
  width: 100%;
  z-index: 1;
}
.list_con .content li a .img .abo_img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 100%;
  z-index: 2;
  transition: all 1s;
  background: url(../images/abo_img.png) no-repeat;
  background-size: cover;
  background-position: center;
}
.list_con .content li a p {
  text-align: center;
  font-size: var(--des);
  padding: 24px 20px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.list_con .content li a:hover .img .abo_img {
  top: 0;
}
.pagination{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.pagination li{
    margin: 0 5px;
}
.pagination li a{
    padding: 10px 20px;
    border: 1px solid #00348c;
    background: #fff;
    color: #333;
    cursor: pointer;
}
.pagination li.active a{
    color: #fff;
    background: #00348c;
    
}
.about {
  position: relative;
 background: #f6f6f6; 
}
.about_con{
    background: fixed url(../images/a6.png) no-repeat top;
}
.about .title {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px;
}
.about .title h3 {
  font-size: var(--title);
  margin-bottom: 10px;
  color: var(--on-color);
}
.about .title p {
  font-size: var(--title-two);
  margin-bottom: 10px;
  color: var(--on-color);
}
.about .container .con {
  max-width: 80%;
  margin: 0 auto;
  text-align: center;
}
.about .container .con p {
  font-size: var(--des);
  text-indent: 2em;
  line-height: 2;
}
.about .container .con .floating-bg {
  position: relative;
  color: transparent;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  font-size: 300px;
  font-weight: bold;
  background: url(../images/山.jpg) no-repeat center;
  background-clip: text;
  -webkit-background-clip: text;
  background-size: cover;
  animation: float 10s ease-in-out infinite;
}
.about .container .con .floating-bg::before {
  content: attr(content);
  position: absolute;
  inset: 0;
  transform: rotatex(180deg) translatey(140px);
  transform-origin: 50% 100%;
  filter: blur(0px);
  mask: linear-gradient(transparent 50%, black 100%);
}
@keyframes float {
  0%,
  100% {
    background-size: 100%;
    background-position: 50% 50%;
  }
  50% {
    background-size: 105%;
    background-position: 60% 60%;
  }
}
.about .container .honor {
  padding: 80px 0 0 ;
}
.about .container .honor .mySwiper {
  margin: 50px 0;
}
.about .container .honor .mySwiper2 {
  margin: 50px 0;
}
.about .container .interview {
  padding: 80px 0 80px;
}
.about .container .interview .mySwiper {
  margin: 50px 0;
}
.about .container .interview .mySwiper2 {
  margin: 50px 0;
}
.about .culture{
    background: fixed url(../images/21197949.jpg) no-repeat;
    padding: 50px 0;
    margin-top: 50px;
}
.about .culture .title h3,.about .culture .title p{
    color: #fff;
}
.about .culture .culture_con{
    margin: 0 auto;
}
.about .culture .culture_con ul{
    display: flex;
    justify-content: space-between;
}
.about .culture .culture_con ul li{
    width: 22%;
    margin: 2% 1.5%;
    background: #fff;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.about .culture .culture_con ul li img{
    width: 25%;
}
.about .culture .culture_con ul li h3{
    font-size: 24px;
    margin: 40px 0;
}
.about .culture .culture_con ul li p{
    font-size: 16px;
    color: #666;
}
.project .title {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 80px 0;
}
.project .title h3 {
  font-size: var(--title);
  margin-bottom: 10px;
  color: var(--on-color);
}
.project .title p {
  font-size: var(--title-two);
  margin-bottom: 10px;
  color: var(--on-color);
}
.project .content .item {
  margin-top: 20px;
  box-shadow: 0 0 15px #ccc;
  cursor: pointer;
}
.project .content .item .con {
  transition: all 1s!important;
  padding: 20px;
  background: #fff;
  display: flex;
}
.project .content .item .con .img {
  width: 300px;
  height: 200px;
}
.project .content .item .con .text {
  flex: 1;
  margin-left: 30px;
}
.project .content .item .con .text h4 {
  margin-bottom: 10px;
}
.project .content .item .con .text p {
  margin-bottom: 10px;
  font-size: var(--des);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.project .content .item .con .text div {
  font-size: var(--btn);
  display: flex;
  margin-top: 40px;
}
.project .content .item .con .text div a {
  background-color: #00348c;
  color: #fff;
  display: block;
  width: 187px;
  height: 54px;
  border-radius: 27px 27px 0 27px;
  text-align: center;
  line-height: 54px;
}
.project .content .item .con .text div a img {
  transition: 0.5s;
  display: inline-block;
  vertical-align: middle;
  height: 9px;
  margin-left: 16px;
}
.project .content .item .con .text div a:hover img {
  margin-left: 25px;
}
.project .content .item .con:hover {
  transform: scale(1.05) !important;
}
.project_show {
  margin: 80px 0;
}
.project_show .container h3 {
  font-size: 32px;
  margin-bottom: 10px;
  color: var(--on-color);
  text-align: center;
}
.project_show .container .attr{
    text-align: center;
}
.project_show .container .attr span{
    display: inline-block;
    margin-right: 20px;
}
.project_show .container .content p {
  font-size: var(--des);
  text-indent: 2em;
}
.prevnext{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.project_show .container .content img{
    margin: 20px auto ;
}
@media screen and (max-width: 1520px) {
  .container {
    width: 1200px;
  }
  .index_about .a_imgs {
    width: 80%;
  }
  .index_about .content .right {
    display: flex;
    align-items: center;
  }
  .advantage .content ul li div {
    -webkit-line-clamp: 2;
  }
  .about .top .pos {
    width: 70%;
  }
  .about .container .con .floating-bg{
      font-size: 260px;
  }
  .about .container .con .floating-bg::before{
        transform: rotatex(180deg) translatey(115px);
  }
}
@media screen and (max-width: 1200px) {
  .container {
    width: 1000px;
  }
  :root {
    /* 字体系统 */
    --base-font-size: 15px;
    /* 基准字号 */
    --title: 35px;
    --title-two: 25px;
    --des: 18px;
    --btn: 15px;
    --mt: 50px;
    --pt: 60px;
  }
  header {
    display: none!important;
  }
  .m-header {
    display: flex;
  }
  .footer .footer_top {
    padding: 0;
  }
  .footer .footer_top ul {
    flex-wrap: wrap;
    padding: 0 15px;
  }
  .footer .footer_top ul li:nth-child(1) {
    width: 50%!important;
  }
  .footer .footer_top ul li:nth-child(2) {
    width: 50%!important;
  }
  .footer .footer_top ul li:nth-child(3) {
    width: 100%!important;
  }
  .footer .footer_top ul li:nth-child(4) {
    width: 100%!important;
  }
  .index_about .a_imgs {
    width: 60%;
  }
  .index_about .content .right {
    width: 50%;
  }
  .about .top {
    padding: 50px 0;
  }
  .about .top .pos {
    width: 80%;
  }
  .about .container .honor,.about .container .interview{
      padding: 40px 0;
  }
  .about .container .honor .mySwiper,.about .container .interview .mySwiper2{
      margin: 30px 0;
  }
  
  .about .container .con .floating-bg{
      font-size: 200px;
  }
  .about .container .con .floating-bg::before{
        transform: rotatex(180deg) translatey(90px);
  }
  .about .culture{
      padding: 0 0 30px ;
  }
  .about .culture .culture_con ul{
      flex-wrap: wrap;
  }
  .about .culture .culture_con ul li{
      width: 47%;
  }
}
@media screen and (max-width: 1000px) {
  .container {
    width: 100%;
    padding: 0 20px ;
  }
  :root {
    /* 字体系统 */
    --base-font-size: 15px;
    /* 基准字号 */
    --title: 30px;
    --title-two: 25px;
    --des: 16px;
    --btn: 15px;
    --mt: 20px;
    --pt: 30px;
    --pb: 30px;
  }
  footer .container {
    flex-direction: column;
  }
  footer .container > div {
    width: 100%;
    border: none;
  }
  .index_about {
    padding: 30px 0;
  }
  .index_about .content {
    display: flex;
    flex-direction: column-reverse;
  }
  .index_about .content .left {
    margin-top: 20px;
    width: 100%;
  }
  .index_about .content .left h3 {
    font-size: var(--title-two);
    text-align: center;
  }
  .index_about .content .right {
    width: 100%;
  }
  .index_case {
    padding: 30px 0;
  }
  .index_case .content ul li {
    width: 100%;
  }
  .map {
    padding: 30px 0;
  }
  .map .content {
    flex-direction: column;
  }
  .map .content .left {
    width: 100%;
    padding-right: 0;
  }
  .map .content .left h3 {
    font-size: var(--title-two);
    text-align: center;
  }
  .map .content #main {
    width: 100%;
    min-height: 400px;
  }
  .advantage .content ul {
    flex-direction: column;
  }
  .advantage .content ul li {
    width: 100%!important;
    margin-bottom: 20px;
    height: 200px;
  }
  .advantage .content ul li:first-child {
    width: 100%;
  }
  .index_bottom {
    padding: 30px;
  }
  .index_bottom p {
    font-size: var(--des);
  }
  .breadcrumb {
    padding: 0 40px;
    /*margin: 0 20px;*/
  }
  .list_con .content {
    margin: 20px 0;
  }
  .list_con .content li {
    width: 50%;
  }
  .list_con .content li a p {
    padding: 12px 0;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
  }
  .about .top {
    display: none;
  }
  .about .top2 {
    display: block;
  }
  .project_show {
    margin: 30px 0;
  }
  .project_show .container h3{
      font-size: 24px;
  }
  .about .container .con{
      max-width: 100%;
  }
  .about .container .con .floating-bg{
      font-size: 140px;
  }
  .about .container .con .floating-bg::before{
        transform: rotatex(180deg) translatey(55px);
  }
}
@media screen and (max-width: 768px) {
  .list_con {
    margin: 30px 0;
  }
  .list_con .content {
    margin: 20px 0;
  }
  .list_con .content li {
    width: 100%;
  }
  .list_con .content li a p {
    padding: 12px ;
    text-overflow: inherit;
    white-space: pre-wrap;
    overflow: visible;
  }
  .project .content .item .con {
    flex-direction: column;
  }
  .project .content .item .con img {
    width: 100%;
    height: auto;
  }
  .project .content .item .con .text {
    margin-left: 0;
    margin-top: 20px;
  }
  .about .container .con .floating-bg{
      font-size: 5rem;
  }
  .about .container .con .floating-bg::before{
        transform: rotatex(180deg) translatey(32px);
  }
  .project .content .item .con .text h4{
      font-size: 20px;
  }
}
@media screen and (max-width: 630px) {
    .about .culture .culture_con ul li{
      width: 100%;
      margin: 3%;
  }
}