.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;
}
.phone .close {
  position: absolute;
  right: 0;
  top: 0;
  font-size: 18px;
}
#help_content video {
  max-width: 100%;
}
.scrollable-div {
  margin: 35px 30px 0 30px;
  padding-top: 10px;
  padding-left: 0;
  width: 240px;
  height: 536px;
  overflow: auto;
  line-height: 28px;
}
.scrollable-div ol li,
.scrollable-div ul li {
  padding-left: 40px;
}
.scrollable-div img,
.scrollable-div 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;
}
.scrollable-div p {
  line-height: 1.5;
  font-size: 16px;
  font-family: '宋体';
  margin: 15px 0;
}
.scrollable-div p img {
  width: 100% !important;
  height: auto !important;
}
.scrollable-div .chapter-practice .chapter-practice-close {
  display: none;
}
.scrollable-div 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;
}
.scrollable-div blockquote {
  padding: 10px;
  line-height: 20px;
  font-size: 14px;
  background-color: #f5f2f0;
  border-left: 5px solid #b4d5ff;
  margin: 10px 0;
}
.scrollable-div a:link,
.scrollable-div a:visited,
.scrollable-div a:hover {
  color: #2a9feb;
}
.scrollable-div h1 {
  line-height: 40px;
  font-size: 24px;
}
.scrollable-div h2 {
  line-height: 34px;
  font-size: 20px;
}
.scrollable-div h3 {
  line-height: 28px;
  font-size: 18px;
}
.scrollable-div h4 {
  line-height: 22px;
  font-size: 16px;
}
.scrollable-div h5 {
  line-height: 18px;
  font-size: 14px;
}
.scrollable-div h6 {
  line-height: 16px;
  font-size: 12px;
}
.scrollable-div video,
.scrollable-div audio {
  width: 100%;
}
.scrollable-div .chapter-image-pic img {
  width: 100%;
  height: auto;
}
.scrollable-div .w-e-image-container img {
  width: 100%;
}
.scrollable-div table {
  border-collapse: collapse;
  display: table;
  min-width: 240px;
  width: auto !important;
}
.scrollable-div table tr:first-child th {
  background-color: #f5f2f0;
  border-right: 2px solid #cccccc;
}
.scrollable-div tr {
  height: 30px;
}
.scrollable-div li {
  margin-left: -30px;
  list-style-position: inside;
  /* 列表项符号在内容内部 */
}
.scrollable-div table,
.scrollable-div th,
.scrollable-div td {
  border: 1px solid #cccccc;
}
.scrollable-div::-webkit-scrollbar {
  width: 0px;
}
.scrollable-div::-webkit-scrollbar-thumb {
  background-color: #2d2d2d;
  border-radius: 40px;
}
