.about {
  background: #eeeeee;
}
.about .banner {
  height: 75vh;
  width: 100%;
  background: #1d232e center no-repeat;
  background-image: url("../img/about/bg1.png");
  background-size: cover;
  padding: 30vh 12.6% 0 12.6%;
  position: relative;
}
.about .banner > div:nth-child(1) {
  font-family: "PingFangSC-Light";
  font-size: 50px;
  color: #ffffff;
  line-height: 50px;
  letter-spacing: 1px;
  text-align: left;
}
.about .banner > div:nth-child(2) {
  font-family: "PingFangSC-Light";
  font-size: 24px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 29px;
  text-align: left;
  padding-top: 20px;
}
.about .banner > div:nth-child(3) {
  width: 74.8%;
  padding: 40px;
  background: #c5a86f;
  position: absolute;
  bottom: -73px;
  left: 12.6%;
  font-family: "PingFangSC-Light";
  font-size: 18px;
  color: #333333;
  line-height: 25px;
  text-align: left;
  z-index: 3;
}
.about .banner > img {
  height: 100px;
  width: auto;
  object-fit: contain;
  position: absolute;
  right: 0;
  bottom: -146px;
  z-index: 2;
}

.about .core {
  margin-top: 226px;
  height: 406px;
  width: 100%;
  background: #1d232e center no-repeat;
  background-image: url("../img/about/bg2.png");
  background-size: cover;
  padding-left: 50%;
}
.about .core .box {
  width: 100%;
  height: 406px;
  padding: 80px 12.6vw 80px 80px;
  background: rgba(29, 35, 46, 0.9);
}
.about .core .box > div:nth-child(1) {
  font-family: "PingFangSC-Light";
  font-size: 20px;
  color: #c5a86f;
  line-height: 20px;
  text-align: left;
}
.about .core .box > .text {
  border-left: 2px solid #f5cf46;
  font-family: "PingFangSC-Light";
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 22px;
  text-align: left;
  margin-top: 40px;
  padding-left: 10px;
}
/* .about .core .box > .text > div:first-of-type {
  height: 100%;
  width: 2px;
  background: #f5cf46;
} */
.about .tips {
  padding: 80px 12.6%;
  width: 100%;
  font-family: "PingFangSC-Light";
  font-size: 18px;
  color: #333333;
  line-height: 25px;
  text-align: left;
}
.about .tips > div:first-of-type {
  padding-bottom: 20px;
}