h1 {
  margin: 8px 0 32px 0;
  border-bottom: 1px solid #eee;
  padding-bottom: 32px;
}
h2,
h3 {
  margin: 32px 0 16px 0;
}
h4 {
  margin: 32px 0 16px 0;
}
.main .toc_button {
  display: none;
}
.main .note {
  border-left: 4px solid #ffbb0b;
  background-color: #fff7ae;
  padding: 4px 8px;
  border-radius: 4px;
  margin: 8px 0;
}

.main .warning {
  color: rgb(226, 1, 1);
  background-color: rgb(226, 1, 1, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
  margin: 8px 0;
}
.toc-and-main {
  display: flex;
  max-width: 1080px;
  margin: 0 auto;
  flex-direction: row;
  justify-content: center;
  position: relative;
}
.yunchuan-toc {
  width: 280px;
  background-color: #fff;
  border-right: 1px solid #ddd;
  padding: 16px;
  position: sticky;
  top: 50px;
  height: calc(100vh - 50px);
  overflow: auto;
}

.yunchuan-toc h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 0 8px 6px;
}

.yunchuan-toc h3 img {
  width: 32px;
}

.yunchuan-toc .subtitle {
  padding: 16px 8px 8px 8px;
  color: #888;
}

.yunchuan-toc a {
  color: #000;
  padding: 8px 6px;
  display: flex;
  border-radius: 4px;
  font-size: 16px;
  min-height: 44px;
  align-items: center;
}

.yunchuan-toc a:hover {
  background-color: #f5f5f5;
  color: #337ab7;
}

.yunchuan-toc .active a {
  background-color: #eee;
}

.main {
  flex: 1;
}
.main p,
.main li {
  font-size: 16px;
}

.main section {
  padding-bottom: 48px;
}

.main ol {
  padding-inline-start: 0;
}
.main ol li {
  list-style-type: decimal;
  margin-left: 18px;
}

a:hover {
  text-decoration: none;
}

.main img {
  max-width: 640px;
}
.main .img380 {
  max-width: 380px;
}

.main .li_disc {
  list-style: disc;
}
.main ul li {
  list-style: disc;
  margin-left: 16px;
}

section {
  padding-top: 0;
}

.firstpic {
  width: 288px;
}

.clickbtn {
  cursor: pointer;
}

.clickbtn:hover {
  opacity: 0.8;
}

.zoomin {
  max-width: 600px;
  display: none;
}

.main {
  padding: 32px;
  background-color: #fff;
}

.main p,
.main li,
.main img {
  padding: 8px 0;
  margin: 0;
}

.li_disc li {
  list-style: disc;
  margin-left: 16px;
}

@media screen and (max-width: 500px) {
  .firstpic {
    width: 320px;
    margin-bottom: 16px;
  }
  .main {
    padding: 16px;
  }
  h1 {
    margin: 32px 0;
  }
  h2,
  h3 {
    margin: 24px 0 16px 0;
  }
  h4 {
    margin: 24px 0 16px 0;
  }
  h1 {
    font-size: 24px;
  }
  h2 {
    font-size: 20px;
  }
  h3 {
    font-size: 18px;
  }
  h4 {
    font-size: 16px;
  }

  .yunchuan-toc {
    position: fixed;
    left: 0;
    height: 100%;
    width: 80%;
    overflow: auto;
    z-index: 10;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .yunchuan-toc.active {
    transform: translateX(0);
  }

  .yunchuan-toc h3 {
    font-size: 28px;
  }
  .main .toc_button {
    border: 1px solid #ddd;
    padding: 0 32px;
    font-size: 16px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    border-radius: 4px;
    cursor: pointer;
    position: sticky;
    top: 48px;
    background-color: #fff;
  }
  .main .toc_button:hover {
    background-color: #eee;
  }
}

.menu {
  padding-left: 20px;
  margin-bottom: 8px;
}

.menu li {
  padding-left: 0;
  list-style-type: decimal;
}