header {
  width: 100%;
  height: 11.7333vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 3.2vw;
}
header a .iconfont {
  font-size: 5.8667vw;
  color: #181818;
}
header h3 {
  color: #181818;
  font-weight: normal;
  font-size: 4.8vw;
}
header > span {
  display: inline-block;
  width: 6vw;
}
.content_page {
  width: 100%;
  background: #f7f7f7;
  min-height: calc(100vh - 11.7333vw);
  text-align: center;
}
.content_page .item {
  display: flex;
  align-items: center;
  padding: 2.6667vw 0;
  background: #ffffff;
  margin-top: 3.2vw;
}
.content_page .item > span {
  width: 24.5333vw;
  display: flex;
  justify-content: center;
  font-size: 3.7333vw;
  color: #181818;
}
.content_page .item a {
  flex: 1;
  min-height: 6.4vw;
  padding-left: 4.2667vw;
  display: flex;
  align-items: center;
}
.content_page .item a:first-of-type {
  border-left: 0.2667vw solid #eeeeee;
}
.content_page .item a span {
  font-size: 3.7333vw;
  color: #181818;
}
.content_page .item a span.hot::after {
  display: inline-block;
  content: "";
  width: 7.7333vw;
  height: 3.7333vw;
  margin-left: 1.0667vw;
  background: url(../images/hot.png) no-repeat left center / 100% 100%;
}
.content_page .big_img {
  max-width: 100%;
}
.contact {
  width: 100%;
  min-height: calc(100vh - 11.7333vw);
  background: #f7f7f7;
  padding: 6.6667vw 4vw 0;
}
.contact .img {
  width: 100%;
  margin: 4vw 0;
}
.contact .tips1 {
  font-size: 3.7333vw;
  color: #181818;
  font-weight: bold;
  margin-top: 3.2vw;
}
.contact .tips2 {
  font-size: 3.4667vw;
  font-weight: bold;
  color: #4a4a4a;
}
.contact .tips2 span {
  color: #999999;
  font-weight: normal;
}
.course {
  width: 100%;
  min-height: calc(100vh - 11.7333vw);
  background: #f7f7f7;
  padding: 0 4vw;
}
.course .title {
  font-size: 4vw;
  font-weight: bold;
  margin-top: 6vw;
}
.course div {
  font-size: 4vw;
  margin-top: 7vw;
}
.course div .bold {
  font-weight: bold;
}
.course div .red {
  color: #c60000;
  text-decoration: underline;
}
.course img {
  width: 100%;
  margin-top: 3.5vw;
}