.phone {
  width: 300px;
  height: 600px;
  background: url('@/assets/images/phone.png');
  background-size: 100% 100%;
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  z-index: 1111;
  background-color: #fff;
  .close {
    position: absolute;
    right: 0;
    top: 0;
    font-size: 18px;
  }
}

#help_content {
  video {
    max-width: 100%;
  }
}

.scrollable-div {
  // margin: 30px 30px 0 25px;
  margin: 35px 30px 0 30px;
  padding-top: 10px;
  padding-left: 0;
  width: 240px;
  height: 536px;
  overflow: auto;
  line-height: 28px;

  ol,
  ul {
    li {
      padding-left: 40px;
    }
  }

  img,
  video {
    max-width: 230px;
    max-height: 240px;
    height: auto;
    width: auto;
    display: block; /* 保持图片在其容器内居中 */
    margin: 0 auto;
  }

  p {
    line-height: 1.5;
    font-size: 16px;
    font-family: '宋体';
    margin: 15px 0;
    img {
      width: 100% !important;
      height: auto !important;
    }
  }
  .chapter-practice {
    .chapter-practice-close {
      display: none;
    }
  }
  pre {
    white-space: pre-wrap;
    word-break: break-all;
    word-wrap: break-word;
    line-height: 20px;
    font-size: 14px;
    padding: 10px;
    color: #333;
    background-color: #f5f2f0;
  }

  blockquote {
    padding: 10px;
    line-height: 20px;
    font-size: 14px;
    background-color: #f5f2f0;
    border-left: 5px solid #b4d5ff;
    margin: 10px 0;
  }

  a:link,
  a:visited,
  a:hover {
    color: #2a9feb;
  }
  h1 {
    line-height: 40px;
    font-size: 24px;
  }
  h2 {
    line-height: 34px;
    font-size: 20px;
  }
  h3 {
    line-height: 28px;
    font-size: 18px;
  }
  h4 {
    line-height: 22px;
    font-size: 16px;
  }
  h5 {
    line-height: 18px;
    font-size: 14px;
  }
  h6 {
    line-height: 16px;
    font-size: 12px;
  }
  video,
  audio {
    width: 100%;
  }
  .chapter-image-pic {
    img {
      width: 100%;
      height: auto;
    }
  }

  .w-e-image-container {
    img {
      width: 100%;
    }
  }

  table {
    border-collapse: collapse;
    display: table;
    min-width: 240px;
    width: auto !important;
  }
  table tr:first-child th {
    background-color: #f5f2f0;
    border-right: 2px solid #cccccc;
  }
  tr {
    height: 30px;
  }

  li {
    margin-left: -30px;
    list-style-position: inside; /* 列表项符号在内容内部 */
  }

  table,
  th,
  td {
    border: 1px solid #cccccc;
  }
}

.scrollable-div::-webkit-scrollbar {
  width: 0px;
}

.scrollable-div::-webkit-scrollbar-thumb {
  background-color: #2d2d2d;
  border-radius: 40px;
}
