.wp {
  width: 1550px;
}

.main-cover {
  width: 100%;
  height: 718px;
  box-shadow: 0 3px 10px 0px #888888;
  position: relative;
}

.main-cover .bd {
  background: 50% 50% no-repeat;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.main-cover .tt {
  height: 100%;
  color: #fff;
  user-select: none;
  position: relative;
  font-family: 'Source Han Sans CN';
  padding: 0;
}
.main-cover .tt h4,
.main-cover .tt h3 {
  font-weight: bold;
  text-shadow: 5.362px 4.5px 8.4px rgba(0, 0, 0, 0.33);
}

.main-cover .tt h4 {
  font-size: .28rem;
  font-weight: 400;
  width: 500px;
  line-height: 1;
}
.main-cover .tt h3 {
  font-size: .48rem;
}

.main-bd {
  width: 1088px;
  margin-top: 0.47rem !important;
  padding-bottom: 1.0rem !important;
}
.main-bd img {
  display: inline-block;
  vertical-align: middle;
height: auto !important;
}
.main-bd article {
  flex: 1;
  font-size: 16px;
  line-height: 2em;
  color: #1e1918;
}
.main-bd article .content-introduce .smpicbox {
  float: left;
  width: 32%;
  margin-right: 18px;
  margin-bottom: 30px;
}
.main-bd article .content-introduce .introduce-p {
  color: #000;
  margin-bottom: 30px;
  text-align: justify;
}

/* ===== 媒体查询 ===== */
@media screen and (max-width: 1024px) {
  video {
    max-width: 100%;
    height: auto;
  }
  .wp.main-bd {
    margin-top: 0.2rem !important;
    padding-left: 0.16rem;
    padding-right: 0.16rem;
  }
}