.box-01 {
  position: relative;
  width: 100%;
  min-width: 1146px;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.2);
}
.box-01::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(../img/04/13.png) no-repeat center 0;
  background-size: cover;
  z-index: -1;
}
.box-01 .introduce {
  top: 4.94rem;
  left: 8.06rem;
}
.box-01 .introduce h1 {
  margin-bottom: 1.12rem;
  color: #fff;
}
.box-01 .introduce p {
  width: 9.7rem;
  font-size: 0.44rem;
  color: #fff;
}
.box-01 .img-01 {
  position: absolute;
  top: 8rem;
  left: 18.72rem;
  width: 12.58rem;
  height: 8.48rem;
}
.box-02 {
  padding: 40px 0;
}
.box-02 .w {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.box-02 .w .relative {
  position: relative;
  width: 542px;
  height: 378px;
  background: url(../img/04/18.png) no-repeat center 0;
  background-size: cover;
}
.box-02 .w .relative li {
  position: absolute;
}
.box-02 .w .relative li h2 {
  color: #1d48b2;
}
.box-02 .w .relative li p {
  color: #666;
}
.box-02 .w .relative li:nth-child(1) {
  top: 35px;
  left: -36px;
}
.box-02 .w .relative li:nth-child(2) {
  top: 35px;
  right: -22px;
}
.box-02 .w .relative li:nth-child(3) {
  top: 170px;
  left: -111px;
}
.box-02 .w .relative li:nth-child(4) {
  top: 170px;
  right: -196px;
}
.box-02 .w .relative li:nth-child(5) {
  top: 298px;
  left: 398px;
}
.box-03 {
  height: 10rem;
  background: url(../img/04/17.png) no-repeat center 0;
  background-size: cover;
}
.box-03 .w {
  position: relative;
}
.box-03 .w .introduce {
  position: absolute;
  top: 50%;
  left: 0rem;
  transform: translateY(-50%);
}
.box-03 .w .introduce h1 {
  font-size: 0.8rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: 2px;
}
.box-03 .w .introduce h2 {
  font-size: 0.52rem;
  color: #fff;
  letter-spacing: 2px;
}
.box-04 .w li {
  display: flex;
  align-items: center;
  height: 70vh;
}
.box-04 .w li img {
  width: 15rem;
  height: 8.8rem;
}
.box-04 .w li div {
  margin-left: 40px;
  padding-top: 60px;
  flex: 1;
}
.box-04 .w li div h1 {
  font-size: 0.64rem;
  color: #333;
}
.box-04 .w li div p {
  margin-top: 20px;
  font-size: 0.4rem;
  color: #666;
}
.box-05 {
  padding: 80px 0 40px;
  color: #333333;
  background-color: #ffffff;
}
.box-05 .w {
  padding-top: 0.2rem;
  padding-bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.box-05 .w .title {
  position: relative;
  margin-bottom: 60px;
}
.foot-copyright {
  position: unset;
}
.foot-copyright p {
  background-color: #a2a2a2;
}
.mt-80 {
  margin-top: 1.6rem;
}
.mb-80 {
  margin-bottom: 1.6rem;
}
.box-title {
  z-index: 99;
  font-size: 0.72rem;
  font-family: Source Han Sans CN;
  font-weight: bold;
  color: #333;
  line-height: 1;
}