.header-nav-item a {
    display: block;
    width: 100%;
    height: 100%;
}
main {
  box-sizing: border-box;
  padding: 30px 0;
  margin-top: 70px;
  min-height: calc(100vh - 70px);
  background: url("../images/more-bg.png") no-repeat;
  background-size: 100% 100%;
}
.slide-nav {
  margin: 60px auto 0;
  width: 1200px;
  display: flex;
  justify-content: center;
}
.slide-nav-item {
  padding: 0 20px;
  height: 40px;
  line-height: 40px;
  border-radius: 26px;
  font-size: 24px;
  color: #333333;
  cursor: pointer;
}
.slide-nav-item:nth-of-type(n + 2) {
  margin-left: 20px;
}
.slide-nav-item.is-active {
  color: #fff;
  background: #fd575c;
}
.slide-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 30px auto 0;
  width: 800px;
}
.slide-content__img {
  display: none;
}
.slide-content__img.is-active {
  display: block;
}