.top-nav .homepage-nav-line {
  width: 50px;
  left: 610px;
}
.top-nav ul li:nth-child(4) a {
  color: #2e7aff;
}
.top-nav ul li:nth-child(4) .arrow {
  border-color: #2e7aff;
}
.top-nav ul li:nth-child(1):hover ~ .homepage-nav-line {
  width: 64px;
  left: 222.5px;
}
.homepage .learn-more {
  position: absolute;
  top: 239px;
}
.homepage .learn-more p:nth-child(1) {
  font-weight: bold;
  font-size: 48px;
  color: #30374a;
  line-height: 67px;
}
.homepage .learn-more p:nth-child(2) {
  width: 540px;
  font-weight: 400;
  font-size: 18px;
  color: #30374a;
  margin-top: 30px;
  line-height: 28px;
}
.teaching-resource {
  padding: 100px 0px;
}
.teaching-resource .teaching-resources,
.teaching-resource .estate,
.teaching-resource .digit,
.teaching-resource .district {
  justify-content: space-between;
}
.teaching-resource img {
  margin-left: -18px;
  width: 636px;
  height: 374px;
}
.teaching-resource .teaching .title {
  font-weight: bold;
  font-size: 26px;
  color: #30374a;
  margin-top: 33px;
  line-height: 37px;
}
.teaching-resource .teaching .resource-content li {
  width: 560px;
  font-size: 16px;
  color: #555555;
  margin-top: 20px;
  line-height: 24px;
  display: flex;
}
.teaching-resource .teaching .resource-content li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: block;
  background-color: #2e7aff;
  margin-right: 6px;
  margin-top: 9px;
}
.teaching-resource .teaching .resource-content li span {
  flex: 1;
}