* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
dl,
ol,
ul {
  list-style: none;
}
body,
html {
  font-family: PingFang;
  letter-spacing: 0.5px;
  background-color: #fff;
  font-size: 12px;
}

.grind-box {
  background: #fff;
}

.title {
  margin-left: 83px;
  padding-top: 75px;
}

.title img {
  width: 1769px;
  height: 82px;
}

.exhibit-box {
  display: flex;
  margin-left: 83px;
}

.exhibit-box img {
  width: 352px;
  height: 447px;
  margin-right: 33px;
}

.exhibit-box img:nth-child(1) {
  margin-top: 63px;
}

.exhibit-box img:nth-child(2) {
  margin-top: 174px;
}

.exhibit-box img:nth-child(3) {
  margin-top: 36px;
}

.exhibit-box img:nth-child(4) {
  margin-top: 133px;
}

.introduce {
  margin-top: 79px;
}

.introduce li {
  display: flex;
  align-items: center;
  margin-bottom: 38px;
  margin-left: 74px;
}

.introduce li img {
  width: 37px;
  height: 37px;
  margin-right: 18px;
}

.introduce li span {
  font-family: PingFangSC, PingFang SC;
  font-weight: 600;
  font-size: 26px;
  color: #084662;
}

.app-pictures {
  display: flex;
  margin-top: 48px;
  margin-left: 111px;
}

.app-pictures img {
  width: 348px;
  height: 685px;
  margin-right: 76px;
}

.about-us {
  max-width: 1654px;
  margin-left: 83px;
  margin-top: 42px;
}

.about-us div:nth-child(1) {
  width: 239px;
  height: 84px;
  background: #ffeeaf;
  border-radius: 8px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 600;
  font-size: 37px;
  color: #084662;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-us div:nth-child(2) {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 23px;
  color: #454545;
  line-height: 32px;
  margin-top: 42px;
}

.other-info {
  margin-top: 59px;
  max-width: 1654px;
  margin-left: 83px;
}

.other-title {
  position: relative;
}

.other-title p {
  font-family: PingFangSC, PingFang SC;
  font-weight: 600;
  font-size: 37px;
  color: #252627;
  position: relative;
  z-index: 22;
}

.other-title div {
  width: 185px;
  height: 32px;
  background: #b9e6ff;
  position: absolute;
  bottom: 0;
}

.other-content {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 23px;
  color: #454545;
  line-height: 32px;
  margin-top: 19px;
}

.footer {
  width: 100%;
  height: 194px;
  background: #283e49;
  margin-top: 111px;
}

.footer p:nth-child(1) {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 20px;
  color: #ffffff;
  padding-top: 69px;
  text-align: center;
}

.footer p:nth-child(2) {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 21px;
  color: #ffffff;
  line-height: 29px;
  text-align: center;
  margin-top: 37px;
}