.know_root,
.knowdetail {
  margin: 0 auto;
  width: 100%;
  min-width: 600px;
  max-width: 1600px;
  column-count: 3;
  column-width: 400px;
  column-gap: 30px;
}
.know_root .item,
.knowdetail .item {
  margin-bottom: 30px;
  break-inside: avoid;
  background: #f9f9f9;
  border-radius: 4px;
  font-size: 14px;
  box-sizing: border-box;
  padding: 20px;
  box-shadow: 0 0 4px #999;
  font-size: 16px;
  color: #555;
}
.know_root .item .title,
.knowdetail .item .title {
  padding: 8px;
  line-height: 1.6;
  font-weight: bold;
  color: #666;
}
.know_root .item .title a,
.knowdetail .item .title a {
  color: #666;
}
.know_root .item .title a:visited,
.knowdetail .item .title a:visited {
  color: #666;
}
.know_root .context,
.knowdetail .context {
  word-wrap: break-word;
  text-wrap: wrap;
  line-height: 2;
  padding: 8px;
  box-sizing: border-box;
}
.know_root .context code,
.knowdetail .context code {
  display: block;
  background-color: #e9e9e9;
  font-size: 12px;
  padding: 8px;
  font-weight: 500;
  border-radius: 4px;
}
.know_root .user,
.knowdetail .user {
  user-select: none;
  display: flex;
}
.know_root .tool,
.knowdetail .tool {
  position: relative;
  user-select: none;
}
.know_root .tool .selected,
.knowdetail .tool .selected {
  color: #eba5a5 !important;
}
.know_root .tool .share,
.knowdetail .tool .share {
  padding-top: 4px;
  display: inline-block;
}
.know_root .subject,
.knowdetail .subject {
  user-select: none;
}
.know_root .subject span,
.knowdetail .subject span {
  padding: 4px 8px;
  background: aliceblue;
  border-radius: 4px;
  margin-bottom: 4px;
  display: inline-block;
  font-size: 12px;
  color: #888;
  font-weight: bold;
}
.know_root .icon,
.knowdetail .icon {
  cursor: pointer;
  color: #dfdfdf;
  transition: all 0.5s;
}
.know_root .icon:hover,
.knowdetail .icon:hover {
  color: #999;
}
.knowdetail {
  width: 800px;
  max-width: 1000px;
  margin: auto;
}
.know_root,
.knowdetail {
  position: relative;
}
.know_root .item,
.knowdetail .item {
  position: relative;
}
.know_root .item .user,
.knowdetail .item .user {
  display: flex;
}
.know_root .item .tool,
.knowdetail .item .tool {
  border-top: 1px solid #d1d1d1;
  display: flex;
}
.know_root .item .tool .icon,
.knowdetail .item .tool .icon {
  font-size: 24px;
  margin-right: 18px;
  display: inline-block;
}
.know_root .item .tool .num,
.knowdetail .item .tool .num {
  font-size: 14px;
  color: #dfdfdf;
}
.know_root .item .tool a,
.knowdetail .item .tool a {
  position: relative;
}
.know_root .item .tool a:visited,
.knowdetail .item .tool a:visited {
  color: #8b8b8b;
}
.pbody {
  position: relative;
}
.pbody .comment_area {
  max-width: 800px !important;
}
.pbody .arealine {
  display: flex;
  flex-direction: row;
  position: relative;
}
.pbody .arealine .title {
  font-size: 22px;
  color: #555;
  padding: 8px;
}
.pbody .arealine .title::after {
  content: ':';
}
.pbody .arealine .areabody {
  flex: 1;
  padding: 8px;
  width: 800px;
}
.pbody .arealine .citem {
  display: inline-block;
  margin-right: 10px;
  margin-bottom: 10px;
  cursor: pointer;
  padding: 4px 16px;
  border: 1px solid #f2f2f2;
  border-radius: 4px;
  user-select: none;
  transition: all 0.5s;
}
.pbody .arealine .citem:hover {
  background-color: #e83737;
  color: #f2f2f2;
}
.pbody .arealine a {
  text-decoration: none;
  color: #666;
}
.pbody .arealine .selected {
  background-color: #e83737;
  color: #f2f2f2;
}
.pbody .arealine .selected a {
  color: #f2f2f2;
}
.vtitle {
  border-bottom: 1px solid #989898;
  text-align: left;
}
.vtitle .title {
  padding: 8px;
  color: #555;
  font-weight: 600;
  font-size: 22px;
  display: inline-block;
}
.catearea {
  margin-bottom: 0px !important;
}
.page_sort {
  position: relative;
  display: flex;
  margin-bottom: 20px;
}
.page_sort .search_area input[type=button] {
  outline: none;
  border: none;
  padding-inline: 0;
  padding-block: 0;
  padding: 4px 8px;
  color: #999;
  cursor: pointer;
  user-select: none;
}
.page_sort .search {
  position: absolute;
  right: 4px;
}
.page_sort .search input[type=text] {
  width: 160px;
  border-radius: 4px;
  line-height: 1.6;
  padding: 4px;
  padding-left: 10px;
}
.page_sort .search span {
  position: absolute;
  right: 6px;
  font-size: 22px;
  color: #888;
  top: 2px;
}
.comment_area {
  position: relative;
  box-sizing: border-box;
  padding: 8px;
  width: 100%;
  max-width: 600px;
  margin: auto;
  height: 100vh;
  background-color: #fff;
}
.comment_area .spliter {
  height: 2px;
  background: #dddddd;
  width: 100%;
  margin-top: 8px;
  margin-bottom: 20px;
}
.comment_area .comment_input_area {
  position: relative;
}
.comment_area .comment_input_area .input_comment {
  border-radius: 4px;
  padding: 8px;
  line-height: 2;
  font-size: 16px;
  height: 100px;
  overflow: auto;
}
.comment_area .comment_input_area .user_tool {
  display: flex;
  position: relative;
  margin-top: 8px;
}
.comment_area .pageline {
  text-align: center;
  font-size: 12px;
  position: absolute;
  bottom: 20px;
  width: 100%;
  color: #444;
}
.comment_area .user_area {
  display: flex;
  justify-content: flex-start;
  user-select: none;
}
.comment_area .link {
  color: #e83737;
  font-size: 12px;
  margin-top: 4px;
  margin-left: 8px;
  padding: 4px 8px;
  border-radius: 8px;
  height: 24px;
  line-height: 1;
}
.comment_area .link span {
  cursor: pointer;
  display: inline-block;
}
.comment_area .comment_comments {
  position: relative;
}
.comment_area .comment_comments .comment {
  padding: 8px;
  margin-bottom: 8px;
  border: 1px solid #f2f2f2;
  border-radius: 4px;
}
.comment_area .comment_comments .user_area {
  display: flex;
}
.comment_area .comment_comments .body {
  padding: 8px;
  word-wrap: break-word;
  text-wrap: wrap;
  line-height: 2;
}
.comment_area .comment_comments .tool {
  display: flex;
  justify-content: flex-end;
}
.comment_area .comment_comments .tool span {
  margin-right: 20px;
  font-size: 20px;
  cursor: pointer;
  color: #dfdfdf;
  display: inline-block;
  transition: all 0.5s;
}
.comment_area .comment_comments .tool span:hover {
  color: #999;
}
.catearea {
  position: relative;
}
.cate_more {
  cursor: pointer;
  position: absolute;
  right: 8px;
  top: 8px;
  font-size: 24px;
  color: #888;
}
.subject_more {
  cursor: pointer;
  position: absolute;
  right: 8px;
  top: 8px;
  font-size: 24px;
  color: #888;
}
.dialog_areas {
  width: 50vw;
  min-width: 800px;
  height: 60vh;
  min-height: 600px;
  z-index: 100;
  display: none;
  position: fixed;
  top: 20vh;
  left: 20vw;
  background: #f2f2f2;
  padding: 30px;
  box-sizing: border-box;
  border-radius: 12px;
  transition: all 0.5s;
  box-shadow: 2px 2px 20px #999;
}
.dialog_areas .btitle {
  display: block;
  border-bottom: 2px solid #777;
  margin-bottom: 20px;
}
.dialog_areas .btitle span {
  padding: 8px;
  font-size: 20px;
  color: #444;
  display: inline-block;
}
.dialog_areas .btitle .desc {
  color: #888;
  font-size: 14px;
}
.dialog_areas .ularea {
  list-style-type: none;
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.dialog_areas .ularea li {
  padding: 8px;
  border: 1px solid #b9b9b9;
  border-radius: 4px;
  margin-bottom: 8px;
  margin-right: 8px;
  cursor: pointer;
  display: inline-block;
  box-sizing: border-box;
  border-radius: 16px;
  text-overflow: ellipsis;
  min-width: 150px;
  text-align: center;
}
.dialog_areas .ularea .selected {
  background: #e83737;
  color: #f2f2f2;
  box-sizing: border-box;
}
.dialog_areas .close {
  position: absolute;
  right: 14px;
  top: 14px;
  cursor: pointer;
  font-weight: 20px;
}
.dialog_areas tap {
  display: inline-block;
  cursor: pointer;
  color: #e83737;
  margin-left: 8px;
  font-size: 14px;
}
.btn_add_comment {
  outline: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  display: inline-block;
  font-size: 24px;
  transition: all 0.5s;
}
.btn_add_comment:hover {
  color: #e83737;
}