:root {
  --brand: #E84A5F;
  --brand-dark: #C93A4E;
  --brand-soft: #FDEEF0;
  --amber: #F2A65A;
  --ink: #2B2B2E;
  --ink-2: #5A5A63;
  --ink-3: #8C8C96;
  --line: #E8E6E4;
  --bg: #FAF9F7;
  --panel: #FFFFFF;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(43, 43, 46, .06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg); color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", system-ui, sans-serif;
  font-size: 14px; line-height: 1.7;
}

button { font-family: inherit; cursor: pointer; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  height: 62px; display: flex; align-items: center; gap: 18px;
  padding: 0 20px; background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 30;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 250px; }
.logo {
  width: 34px; height: 34px; border-radius: 9px; background: var(--brand); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 17px;
}
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: .3px; }
.brand-sub { font-size: 12px; color: var(--ink-3); }

.searchbox { flex: 1; display: flex; gap: 8px; max-width: 640px; }
.searchbox input {
  flex: 1; height: 38px; padding: 0 14px; border: 1px solid var(--line);
  border-radius: 19px; background: var(--bg); font-size: 13.5px; outline: none;
}
.searchbox input:focus { border-color: var(--brand); background: #fff; }
.searchbox button {
  height: 38px; padding: 0 18px; border-radius: 19px; border: none;
  background: var(--brand); color: #fff; font-size: 13.5px; font-weight: 600;
}
.searchbox button:hover { background: var(--brand-dark); }

.topactions { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.chk { font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; gap: 5px; white-space: nowrap; }
button.primary {
  height: 38px; padding: 0 18px; border-radius: 19px; border: none;
  background: var(--brand); color: #fff; font-weight: 600; font-size: 13.5px;
}
button.primary:hover { background: var(--brand-dark); }
button.primary:disabled { opacity: .55; cursor: default; }

/* ---------------- 布局 ---------------- */
.layout { display: flex; height: calc(100vh - 62px); overflow: hidden; }

.sidebar {
  width: 320px; min-width: 320px; border-right: 1px solid var(--line);
  background: #fff; display: flex; flex-direction: column;
}
.side-head { padding: 12px 14px; border-bottom: 1px solid var(--line); }
.side-head input {
  width: 100%; height: 34px; padding: 0 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); outline: none; font-size: 13px;
}
.tree { flex: 1; overflow-y: auto; padding: 8px 8px 40px; }

.sp { margin-bottom: 6px; }
.sp-head {
  display: flex; align-items: center; gap: 8px; padding: 9px 10px; cursor: pointer;
  border-radius: 8px; font-weight: 700; font-size: 13.5px; color: var(--ink);
}
.sp-head:hover { background: var(--brand-soft); }
.sp-head .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); }
.sp-head .cnt { margin-left: auto; font-weight: 400; color: var(--ink-3); font-size: 12px; }

.grp-head {
  display: flex; align-items: center; gap: 6px; padding: 6px 10px 6px 22px;
  cursor: pointer; border-radius: 6px; font-size: 13px; color: var(--ink-2);
}
.grp-head:hover { background: var(--bg); }
.grp-head .cnt { margin-left: auto; color: var(--ink-3); font-size: 11.5px; }
.grp-body { display: none; }
.grp.open > .grp-body { display: block; }

.doc-link {
  display: block; padding: 6px 12px 6px 34px; font-size: 13px; color: var(--ink-2);
  text-decoration: none; border-radius: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.doc-link:hover { background: var(--brand-soft); color: var(--brand-dark); }
.doc-link.active { background: var(--brand-soft); color: var(--brand-dark); font-weight: 600; }
.tag-archived {
  font-size: 10.5px; color: #A08B5A; background: #FBF3E4; border-radius: 4px;
  padding: 0 5px; margin-left: 6px;
}

/* ---------------- 正文 ---------------- */
.content { flex: 1; overflow-y: auto; }
.viewer { max-width: 900px; margin: 0 auto; padding: 26px 34px 80px; }
.welcome h1 { font-size: 22px; margin: 20px 0 12px; }
.welcome p { color: var(--ink-2); }
.muted { color: var(--ink-3); font-size: 13px; }

.doc-head { border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 18px; }
.crumb { font-size: 12.5px; color: var(--ink-3); margin-bottom: 8px; }
.crumb a { color: var(--ink-3); text-decoration: none; }
.crumb a:hover { color: var(--brand); }
.doc-title { font-size: 23px; font-weight: 700; margin: 4px 0 10px; line-height: 1.4; }
.doc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 12.5px; color: var(--ink-3); }
.src-btn {
  display: inline-flex; align-items: center; gap: 5px; padding: 5px 12px; border-radius: 15px;
  background: var(--brand-soft); color: var(--brand-dark); text-decoration: none; font-weight: 600; font-size: 12.5px;
}
.src-btn:hover { background: #F9DCE1; }

.doc-body { font-size: 14.5px; color: var(--ink); }
.doc-body h1 { font-size: 20px; margin: 26px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.doc-body h2 { font-size: 17.5px; margin: 22px 0 10px; }
.doc-body h3 { font-size: 15.5px; margin: 18px 0 8px; color: var(--brand-dark); }
.doc-body p { margin: 9px 0; }
.doc-body ul, .doc-body ol { padding-left: 22px; }
.doc-body li { margin: 4px 0; }
.doc-body table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 13px; display: block; overflow-x: auto; }
.doc-body th, .doc-body td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
.doc-body th { background: var(--brand-soft); font-weight: 600; }
.doc-body blockquote { border-left: 3px solid var(--amber); background: #FFFBF4; margin: 12px 0; padding: 8px 14px; color: var(--ink-2); }
.doc-body code { background: #F3F1EF; padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
.doc-body pre { background: #F7F5F3; padding: 12px; border-radius: 8px; overflow-x: auto; }
.doc-body a { color: var(--brand-dark); }
.doc-body hr { border: none; border-top: 1px solid var(--line); margin: 20px 0; }
.ph {
  display: inline-block; padding: 2px 8px; border-radius: 5px; background: #F3F1EF;
  color: var(--ink-3); font-size: 12.5px; margin: 2px 0;
}

/* ---------------- 搜索结果 ---------------- */
.res-list { margin-top: 6px; }
.res-item {
  padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; margin-bottom: 10px; cursor: pointer; transition: .15s;
}
.res-item:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.res-title { font-weight: 600; font-size: 15px; color: var(--ink); margin-bottom: 4px; }
.res-path { font-size: 12px; color: var(--ink-3); margin-bottom: 6px; }
.res-snippet { font-size: 13px; color: var(--ink-2); }
.res-snippet em { background: #FFF2C9; font-style: normal; padding: 0 2px; }

/* ---------------- AI 面板 ---------------- */
.panel {
  width: 420px; min-width: 420px; border-left: 1px solid var(--line);
  background: #fff; display: flex; flex-direction: column;
}
.panel.hidden { display: none; }
.panel-head {
  height: 48px; display: flex; align-items: center; padding: 0 14px; border-bottom: 1px solid var(--line);
  font-weight: 700; font-size: 14px;
}
.icon { margin-left: auto; border: none; background: none; font-size: 20px; color: var(--ink-3); line-height: 1; }
.chat { flex: 1; overflow-y: auto; padding: 14px; background: var(--bg); }
.bubble {
  padding: 11px 13px; border-radius: var(--radius); margin-bottom: 12px; font-size: 13.5px;
  max-width: 100%; word-break: break-word; white-space: pre-wrap;
}
.bubble.bot { background: #fff; border: 1px solid var(--line); }
.bubble.user { background: var(--brand); color: #fff; margin-left: 46px; }
.bubble.err { background: #FDF3F4; border: 1px solid #F3C9CF; color: #A93A4B; }
.cite {
  display: inline-block; min-width: 16px; text-align: center; padding: 0 4px; margin: 0 1px;
  background: var(--brand-soft); color: var(--brand-dark); border-radius: 5px;
  font-size: 11.5px; font-weight: 700; text-decoration: none; vertical-align: 1px; cursor: pointer;
}
.cite:hover { background: #F9DCE1; }
.srcs { margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 8px; }
.srcs-title { font-size: 12px; color: var(--ink-3); margin-bottom: 6px; }
.src {
  display: block; padding: 7px 9px; border-radius: 7px; background: #fff; border: 1px solid var(--line);
  margin-bottom: 6px; font-size: 12.5px; text-decoration: none; color: var(--ink-2);
}
.src:hover { border-color: var(--brand); }
.src b { color: var(--ink); font-weight: 600; }
.src .from { color: var(--brand-dark); }
.panel-input { border-top: 1px solid var(--line); padding: 10px; display: flex; gap: 8px; align-items: flex-end; }
.panel-input textarea {
  flex: 1; resize: none; border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px;
  font-family: inherit; font-size: 13px; outline: none; line-height: 1.5;
}
.panel-input textarea:focus { border-color: var(--brand); }

.loading-dots::after { content: '…'; animation: dots 1.2s steps(4, end) infinite; }
@keyframes dots { 0% { content: ''; } 25% { content: '.'; } 50% { content: '..'; } 75% { content: '...'; } }

.passage { border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; margin-bottom: 9px; background: #fff; }
.passage-head { font-size: 12.5px; margin-bottom: 5px; }
.passage-body { font-size: 13px; color: var(--ink-2); line-height: 1.65; max-height: 190px; overflow: hidden; }
.mode-hint {
  font-size: 12px; color: #8A6D3B; background: #FCF6E8; border: 1px solid #F0E2C0;
  border-radius: 7px; padding: 7px 9px; margin-bottom: 10px;
}
.top-note {
  font-size: 12px; color: var(--ink-3); padding: 8px 12px; background: #fff;
  border: 1px solid var(--line); border-radius: 8px; margin-bottom: 14px;
}

/* ---------------- 问一问：答案要点 ---------------- */
.ans-lead { font-size: 12.5px; color: var(--ink-3); margin-bottom: 10px; line-height: 1.65; }
.ans-hp { font-size: 12px; color: var(--ink-3); margin-left: 8px; }

/* 答案卡片：全站最优先展示的元素 */
.answer-view { padding: 4px 0 40px; }
.ans-card {
  background: linear-gradient(180deg, #FFF6F7 0%, #FFFFFF 62%);
  border: 1px solid #F3CDD4; border-left: 4px solid var(--brand);
  border-radius: 10px; padding: 16px 18px 14px; margin-bottom: 18px;
}
.ans-card-warn { background: linear-gradient(180deg, #FCF8EE 0%, #FFFFFF 62%); border-color: #EFDFC2; border-left-color: #D9A93C; }
.ans-tag {
  display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .06em;
  color: #fff; background: var(--brand); border-radius: 4px; padding: 2px 8px;
}
.ans-card-warn .ans-tag { background: #D9A93C; }
.ans-q {
  margin-top: 10px; font-size: 13px; color: var(--ink-3); line-height: 1.6;
  padding-bottom: 2px;
}
.ans-main {
  margin-top: 10px; font-size: 15.5px; line-height: 1.85; color: var(--ink);
  word-break: break-word; white-space: pre-wrap;
}
.ans-main em { background: #FFE9A8; font-style: normal; padding: 0 2px; border-radius: 3px; }
.ans-from {
  margin-top: 14px; padding-top: 10px; border-top: 1px dashed #F0D3D8;
  font-size: 12.5px; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.ans-from b { color: var(--ink); font-weight: 600; }
.ans-from a { color: var(--brand-dark); }
.ans-open { margin-left: 2px; }
.ans-copy {
  margin-left: auto; border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 6px; padding: 3px 10px; font-size: 12px;
}
.ans-copy:hover { border-color: var(--brand); color: var(--brand-dark); }
.ans-note { margin-top: 10px; font-size: 12.5px; color: #8A6D3B; background: #FCF6E8; border: 1px solid #F0E2C0; border-radius: 7px; padding: 7px 10px; line-height: 1.6; }

.ans-more { margin-top: 4px; }
.ans-qi { font-size: 12px; color: var(--brand-dark); margin-bottom: 5px; }
.res-more { margin: 6px 0 30px; font-size: 12.5px; }
.res-more a { color: var(--ink-3); }
.res-more a:hover { color: var(--brand-dark); }

.ans-list { margin: 0 0 4px; padding: 0; list-style: none; }
.ans-item {
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
  margin-bottom: 8px; background: #fff;
}
.ans-text { font-size: 13px; color: var(--ink); line-height: 1.72; word-break: break-word; }
.ans-text em { background: #FFF2C9; font-style: normal; padding: 0 2px; border-radius: 3px; }
.ans-where {
  font-size: 11.5px; color: var(--ink-3); margin-top: 7px; padding-top: 6px;
  border-top: 1px dashed var(--line);
}

/* ---------------- 首页示例问题 ---------------- */
.try { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.try-label { font-size: 12.5px; color: var(--ink-3); }
.try-chip {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 16px; padding: 5px 13px; font-size: 12.5px;
}
.try-chip:hover { border-color: var(--brand); color: var(--brand-dark); background: var(--brand-soft); }

.menu-btn { display: none; font-size: 19px; margin-right: 2px; }

@media (max-width: 1100px) {
  .sidebar { width: 260px; min-width: 260px; }
  .panel { width: 100%; min-width: 0; position: fixed; right: 0; top: 62px; bottom: 0; z-index: 40; box-shadow: -6px 0 22px rgba(0,0,0,.12); }
}

/* 手机：目录变抽屉、问一问全屏，方便同事随手在手机上提问 */
@media (max-width: 720px) {
  .topbar { height: auto; flex-wrap: wrap; gap: 10px; padding: 10px 14px; }
  .menu-btn { display: block; }
  .brand { min-width: 0; }
  .brand-name { font-size: 14px; }
  .brand-sub { display: none; }
  .searchbox { order: 3; flex-basis: 100%; max-width: none; }
  .topactions { margin-left: auto; }
  .layout { height: auto; min-height: calc(100vh - 108px); }
  .viewer { padding: 16px 16px 60px; }
  .sidebar {
    position: fixed; top: 0; bottom: 0; left: 0; z-index: 60; width: 84%; max-width: 330px;
    transform: translateX(-102%); transition: transform .2s ease;
    box-shadow: 6px 0 24px rgba(43,43,46,.18);
  }
  .sidebar.open { transform: none; }
  .panel { inset: 0; width: 100%; min-width: 0; z-index: 60; }
  .try-chip { font-size: 12px; padding: 5px 11px; }
  .ans-card { padding: 14px 14px 12px; }
  .ans-main { font-size: 15px; line-height: 1.82; }
  .ans-from { font-size: 12px; }
  .ans-copy { margin-left: 0; }
}