body {
  margin: 0;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
  background: #f7f7f7;
}

#docTitle {}
#docFtime {float: right; display: none;}
#docUtime {float: right;}


.content-text { margin-top: 20px;  background: #e3e3e3; padding: 10px; border-radius: 4px; }
.content-code { margin-top: 20px; margin-left: 28px;  background: #00ffff; padding: 10px; border-radius: 4px; overflow-x: auto; }
.content-image { margin-top: 20px; margin-left: 28px; }
.content-image img { max-width: 100%; height: auto; border: 1px solid #9f9f9f;}

/* 左侧子列表 */
.doc-child-list{
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.doc-child-list .doc-child-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
} 


/**/

.doc-layout {
  display: flex;
  height: 100vh;
}
.doc-sidebar {
  width: 260px;
  min-width: 260px;
  max-width: 260px;
  background: #fafafa;
  color: #333;
  display: flex;
  flex-direction: column;
  transition: width 0.25s cubic-bezier(.4,0,.2,1), min-width 0.25s cubic-bezier(.4,0,.2,1), max-width 0.25s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
  border-right: 1px solid #e0e0e0;
}
.doc-sidebar.minimized {
  width: 0 !important;
  min-width: 0 !important;
  max-width: 0 !important;
}
.doc-sidebar .sidebar-header,
.doc-sidebar .sidebar-search,
.doc-sidebar .sidebar-nav {
  transition: opacity 0.2s cubic-bezier(.4,0,.2,1);
}
.doc-sidebar.minimized .sidebar-header,
.doc-sidebar.minimized .sidebar-search,
.doc-sidebar.minimized .sidebar-nav {
  opacity: 0;
  pointer-events: none;
}
.doc-sidebar:not(.minimized) .sidebar-header,
.doc-sidebar:not(.minimized) .sidebar-search,
.doc-sidebar:not(.minimized) .sidebar-nav {
  opacity: 1;
  pointer-events: auto;
}
.doc-sidebar.minimized .sidebar-header {
  opacity: 1 !important;
  pointer-events: auto !important;
  justify-content: flex-end;
}
.doc-sidebar.minimized .sidebar-header span {
  opacity: 0;
  width: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  display: inline-block;
}
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 12px 8px 16px;
  font-size: 18px;
  border-bottom: 1px solid #e0e0e0;
}
.sidebar-search {
  padding: 10px 16px;
  border-bottom: 1px solid #e0e0e0;
}
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px 8px 8px;
}
.sidebar-nav ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.sidebar-nav li {
  margin: 4px 0;
}
.sidebar-nav .nav-level-1 > a,
.sidebar-nav .nav-level-2 > a,
.sidebar-nav .nav-level-3 > a {
  display: block;
  padding: 6px 8px;
  color: #333;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.sidebar-nav .nav-level-1 > a:hover,
.sidebar-nav .nav-level-2 > a:hover,
.sidebar-nav .nav-level-3 > a:hover,
.sidebar-nav .active > a {
  background: #dfd7d7;
  /*color: #1890ff;*/
}
.sidebar-nav .nav-level-2 {
  padding-left: 16px;
}
.sidebar-nav .nav-level-3 {
  padding-left: 32px;
}
.doc-sidebar.minimized .sidebar-header span,
.doc-sidebar.minimized .sidebar-search,
.doc-sidebar.minimized .sidebar-nav {
  display: none !important;
}
.doc-sidebar.minimized .sidebar-nav .nav-level-1 > a {
  text-align: center;
  padding: 8px 0;
}
.doc-content {
  flex: 1;
  background: #fff;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.content-header {
  padding: 24px 32px 8px 32px;
  border-bottom: 1px solid #eee;
}
.content-body {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  font-size: 16px;
  color: #333;
}
.content-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #eee;
  margin-top: 18px;
  padding: 12px 32px;
  background: #fafafa;
}
.footer-btns {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
#prevBtn {
  margin-right: auto;
}
#nextBtn {
  margin-left: auto;
}
@media (max-width: 900px) {
  /* 不再让 .doc-layout 变为 column，始终横向flex */
  .doc-sidebar {
    width: 60vw;
    min-width: 120px;
    max-width: 80vw;
  }
  .doc-content-card, .doc-content {
    margin: 0;
    max-width: 100vw;
    padding: 0;
  }
  .content-header, .content-body, .content-footer {
    padding-left: 2vw;
    padding-right: 2vw;
  }
  .content-footer {
    flex-direction: column;
    gap: 10px;
    padding: 8px 2vw;
  }
  .footer-btns {
    width: 100%;
    flex-direction: column;
    gap: 10px;
  }
  #prevBtn, #nextBtn {
    width: 100%;
    margin: 0;
  }
}
@media (max-width: 600px) {
  .doc-header {
    font-size: 16px;
    height: 44px;
    line-height: 44px;
    padding: 0 8px;
  }
  .doc-content {
    padding: 4px 1vw 4px 1vw;
  }
  .content-header, .content-body, .content-footer {
    padding-left: 1vw;
    padding-right: 1vw;
  }
  .sidebar-header {
    font-size: 15px;
    padding: 8px 4px 8px 8px;
  }
  .sidebar-nav li {
    min-width: 60px;
    font-size: 13px;
  }
  .content-footer {
    padding: 6px 1vw;
  }
} 

.doc-search-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.doc-search-list li {
  margin: 4px 0;
  padding: 0;
}
.doc-search-link {
  display: block;
  padding: 8px 12px;
  color: #333;
  border-radius: 4px;
  text-decoration: none;
  font-size: 15px;
  transition: background 0.2s, color 0.2s;
  background: none;
}
.doc-search-link:hover,
.doc-search-link.active {
  background: #e6f7ff;
  color: #1890ff;
} 

.search-with-icon {
  position: relative;
}
.search-with-icon .search-icon {
  position: absolute;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
  font-size: 18px;
  pointer-events: none;
}
.search-clear {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
  font-size: 18px;
  cursor: pointer;
  z-index: 2;
  display: none;
  transition: color 0.2s;
}
.search-clear:hover {
  color: #ff4d4f;
}
.search-with-icon input {
  padding-right: 48px !important;
}