* {
  padding: 0;
  margin: 0;
}
.banner {
  width: 100%;
  height: 0.75rem;
  background: linear-gradient(81deg, #42b0e7 0%, #0a70a3 100%);
}
.content {
  width: 15rem;
  margin: 0 auto;
  display: flex;
  margin-bottom: 2rem;
  padding: 40px 0 1rem;
  position: relative;
}
.content .content-nav {
  margin-right: 0.625rem;
  position: sticky;
  top: 0.5rem;
}
.content .content-nav .tip {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 0.25rem;
  color: #444444;
  margin-bottom: 0.5rem;
  white-space: nowrap;
  position: sticky;
  top: 0.5rem;
}
.content .content-nav .nav-list {
  position: sticky;
  top: 1.25rem;
}
.content .content-nav .nav-list .nav-item {
  width: 1.5rem;
  height: 0.5rem;
  text-align: center;
  line-height: 0.5rem;
  background: #fff;
  box-shadow: 0px 3px 8px 0px rgba(16, 80, 112, 0.3);
  border-radius: 8px;
  font-size: 0.225rem;
  margin-bottom: 0.15rem;
  color: #000;
  cursor: pointer;
}
.content .content-nav .nav-list .active {
  background: linear-gradient(81deg, #42b0e7 0%, #0a70a3 100%);
  color: #fff;
}
.content .content-img img {
  width: 100%;
}
.content .title {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 0.375rem;
  color: #1278ac;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid #4d4c4c;
  margin-bottom: 0.25rem;
}
.content p {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 0.2rem;
  color: #000;
}