/* ============================================================
   UI 组件手册 · 第 0 批
   视觉与交互状态对齐 Ant Design 规范
   ============================================================ */

:root{
  /* Ant Design v5 色板 */
  --bg:#f5f5f5;
  --surface:#ffffff;
  --surface-2:#fafafa;
  --surface-3:#f0f0f0;
  --line:#f0f0f0;
  --line-2:#d9d9d9;

  --txt:#1f1f1f;          /* colorText ≈ rgba(0,0,0,.88) */
  --txt-2:#595959;        /* colorTextSecondary ≈ .65 */
  --txt-3:#8c8c8c;        /* colorTextTertiary ≈ .45 */

  --accent:#1677ff;       /* colorPrimary */
  --accent-hover:#4096ff; /* colorPrimaryHover */
  --accent-active:#0958d9;/* colorPrimaryActive */
  --accent-soft:#e6f4ff;  /* colorPrimaryBg */
  --teal:#1677ff;
  --teal-soft:#e6f4ff;
  --bad:#ff4d4f;          /* colorError */
  --bad-soft:#fff2f0;     /* colorErrorBg */
  --good:#52c41a;         /* colorSuccess */
  --good-soft:#f6ffed;
  --warn:#faad14;         /* colorWarning */
  --warn-soft:#fffbe6;

  --field:#ffffff;
  --field-line:#d9d9d9;   /* colorBorder */
  --ph:#bfbfbf;
  --code-bg:#fafafa;

  --radius:8px;
  --ctl-h:32px;           /* controlHeight */
  --ctl-radius:6px;       /* borderRadius */
  --shadow-ctl:0 2px 0 rgba(5,145,255,.1);

  --radius:14px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04),0 10px 28px rgba(16,24,40,.06);
  --shadow-2:0 18px 46px rgba(16,24,40,.16);

  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-anchor:none;scrollbar-gutter:stable}
body{
  margin:0;background:var(--bg);color:var(--txt);overflow-x:clip;overflow-anchor:none;
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}

/* ---------- 顶栏 ---------- */
.top{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.top-in{
  max-width:1440px;margin:0 auto;padding:0 28px;
  display:flex;align-items:center;gap:12px;height:62px;min-width:0;
}
.brand{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand b{font-size:15.5px;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand span{font-size:11px;color:var(--txt-3);font-family:var(--mono);white-space:nowrap}

.toc-toggle{
  display:none;border:1px solid var(--line-2);background:var(--surface);border-radius:9px;
  width:36px;height:36px;font-size:15px;color:var(--txt-2);flex:none;
}

.pswitch{
  margin-left:auto;display:flex;gap:2px;padding:3px;border:1px solid var(--line);
  background:var(--surface-2);border-radius:999px;flex:none;
}
.pswitch [data-platform]{
  border:0;background:transparent;color:var(--txt-3);border-radius:999px;
  padding:6px 14px;font-size:13px;white-space:nowrap;transition:.15s;
}
.pswitch [data-platform]:hover{color:var(--txt)}
.pswitch [data-platform].on{background:var(--surface);color:var(--txt);box-shadow:0 1px 3px rgba(16,24,40,.12);font-weight:600}

@media (max-width:1100px){
  .top-in{padding:0 16px}
  .toc-toggle{display:inline-flex;align-items:center;justify-content:center}
  .brand span{display:none}
  .pswitch [data-platform]{padding:5px 10px;font-size:12px}
}

/* ---------- 主体布局：左目录 + 右内容 ---------- */
.layout{
  max-width:1440px;margin:0 auto;padding:0 28px;
  display:grid;grid-template-columns:264px minmax(0,1fr);gap:36px;align-items:start;
  /* 内容短时也不让整列塌下去，吸顶目录才不会被容器底部推着走 */
  min-height:calc(100vh - 62px);
}
@media (max-width:1100px){ .layout{grid-template-columns:1fr;padding:0 16px;gap:0} }

/* ---------- 左侧多层目录 ---------- */
.toc{
  position:sticky;top:78px;align-self:start;max-height:calc(100vh - 100px);
  overflow:auto;padding:26px 8px 40px 0;scrollbar-width:thin;
}
.toc::-webkit-scrollbar{width:6px}
.toc::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:3px}

.toc-hd{
  display:flex;align-items:baseline;gap:8px;margin:0 0 14px;padding-left:2px;
}
.toc-hd b{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--txt-3)}
.toc-hd span{font-size:11px;color:var(--txt-3);font-family:var(--mono);margin-left:auto}

.toc-group{margin:0 0 6px}
.toc-cat{
  width:100%;display:flex;align-items:center;gap:8px;background:transparent;border:0;
  padding:8px 8px;border-radius:8px;color:var(--txt);font-size:13.5px;font-weight:650;
  text-align:left;transition:background .15s;
}
.toc-cat:hover{background:var(--surface-2)}
.toc-cat i{
  font-style:normal;font-size:10.5px;color:var(--txt-3);font-family:var(--mono);
  border:1px solid var(--line-2);border-radius:999px;padding:0 6px;line-height:1.6;
}
.toc-cat .caret{margin-left:auto;color:var(--txt-3);font-size:10px;transition:transform .18s}
.toc-group.is-collapsed .caret{transform:rotate(-90deg)}
.toc-group.is-collapsed .toc-items{display:none}

.toc-items{
  display:flex;flex-direction:column;margin:2px 0 10px 10px;padding-left:10px;
  border-left:1px solid var(--line);
}
.toc-items a{
  display:flex;flex-direction:column;gap:1px;padding:6px 9px;border-radius:8px;
  color:var(--txt-2);transition:background .15s,color .15s;position:relative;
}
.toc-items a:hover{background:var(--surface-2);color:var(--txt);text-decoration:none}
.toc-items a .t{font-size:13px;line-height:1.4}
.toc-items a .e{font-size:10.5px;color:var(--txt-3);font-family:var(--mono)}
.toc-items a.is-active{background:var(--accent-soft);color:var(--accent)}
.toc-items a.is-active .t{font-weight:650}
.toc-items a.is-active .e{color:var(--accent);opacity:.75}
.toc-items a.is-active::before{
  content:"";position:absolute;left:-11px;top:8px;bottom:8px;width:2px;
  background:var(--accent);border-radius:2px;
}
.toc-group.has-active > .toc-cat{color:var(--accent)}

.toc-backdrop{
  display:none;position:fixed;inset:62px 0 0;background:rgba(16,24,40,.32);
  z-index:44;backdrop-filter:blur(1px);
}
@media (max-width:1100px){
  .toc{
    position:fixed;inset:62px 0 0;z-index:45;background:var(--surface);
    max-height:none;padding:16px 16px 40px;transform:translateX(-102%);
    transition:transform .22s cubic-bezier(.2,.8,.3,1);box-shadow:var(--shadow-2);
    border-right:1px solid var(--line);overflow:auto;
  }
  body.toc-open .toc{transform:none}
  body.toc-open .toc-backdrop{display:block}
  body.toc-open{overflow:hidden}
}

/* ---------- 内容 ---------- */
main{padding-bottom:80px;min-width:0}
.hero{padding:30px 0 2px}
.hero h1{margin:0 0 8px;font-size:26px;letter-spacing:-.025em}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero p{margin:0;color:var(--txt-2);font-size:14px;max-width:82ch}
@media (max-width:720px){ .hero h1{font-size:21px} .hero p{font-size:13px} }
.mode-note{
  display:inline-block;margin-top:14px;font-size:12px;color:var(--txt-3);
  border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px 12px;
}

.cat{margin:32px 0 4px}
.cat h2{
  margin:0;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--txt-3);
  display:flex;align-items:center;gap:10px;
}
.cat h2::after{content:"";flex:1;height:1px;background:var(--line)}
.grid{display:grid;gap:18px;margin-top:14px}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;scroll-margin-top:82px;box-shadow:var(--shadow-1);
}
.card:target{border-color:var(--accent);box-shadow:0 0 0 3px rgba(58,107,220,.1),var(--shadow-1)}
.card-head{
  padding:13px 17px;border-bottom:1px solid var(--line);
  display:flex;align-items:baseline;gap:9px;flex-wrap:wrap;
}
.card-head h3{margin:0;font-size:16.5px}
.card-head .en{font-family:var(--mono);font-size:12px;color:var(--accent)}
.card-head .alias{font-size:11.5px;color:var(--txt-3)}
.card-head .variants{margin-left:auto;font-size:11px;color:var(--txt-3);font-family:var(--mono)}
@media (max-width:720px){ .card-head .variants{display:none} }

/* ---------- 演示区 ---------- */
.demo-area{
  display:grid;gap:0;background:linear-gradient(180deg,#fbfcfe,#f7f9fc);
  border-bottom:1px solid var(--line);
}
.demo-area[data-mode="both"]{grid-template-columns:1fr 1fr}.demo-area[data-mode="single"]{grid-template-columns:minmax(0,1fr)}
@media (max-width:980px){ .demo-area[data-mode="both"]{grid-template-columns:1fr} }

/* 演示区：所有浮层都限制在这一块内，不影响整页 */
.pane{padding:18px 17px 14px;min-width:0;position:relative;overflow:hidden}
.pane.is-mobile.has-sheet{min-height:404px;display:flex;flex-direction:column;justify-content:center}
.pane.is-desktop.has-pop{min-height:424px}
.pane + .pane{border-left:1px solid var(--line)}
.demo-area[data-mode="single"] .pane + .pane{border-left:0}
@media (max-width:980px){
  .demo-area[data-mode="both"] .pane + .pane{border-left:0;border-top:1px solid var(--line)}
}
.pane.is-mobile .demo-stage{max-width:420px;margin:0 auto}
.pane.is-desktop .demo-stage{max-width:560px}
/* 单端视图：让标题、演示、状态条落在同一条窄列里，不要一头居中一头贴边 */
.demo-area[data-mode="single"] .pane.is-mobile{width:100%;max-width:460px;margin:0 auto}
.demo-area[data-mode="single"] .pane.is-desktop{width:100%;max-width:620px;margin:0}

.demo-stage{
  min-height:150px;display:flex;flex-direction:column;justify-content:center;
  align-items:flex-start;padding:8px 0;
}
/* 只给普通子元素撑满宽度；绝对定位浮层与按钮保持自身宽度 */
.demo-stage > *:not(.sheet-ov):not(button){width:100%}
.demo-cap{
  margin:10px 0 0;font-size:12px;color:var(--txt-2);line-height:1.55;
  border-left:2px solid var(--teal);padding-left:9px;min-height:32px;
}

/* 可交互提示：让「能点什么」被发现 */
.tryline{
  margin:10px 0 0;font-size:11.5px;color:var(--txt-3);line-height:1.5;
  display:flex;gap:6px;align-items:flex-start;
}
.tryline span{
  flex:none;font-size:10px;color:#0958d9;background:var(--teal-soft);
  border:1px solid rgba(15,157,138,.28);border-radius:4px;padding:0 5px;line-height:1.7;
}

/* 全局轻提示 */
.toast{
  position:fixed;left:50%;bottom:26px;z-index:90;transform:translate(-50%,14px);
  background:#1f2937;color:#f3f6fa;border-radius:10px;padding:9px 16px;
  font-size:12.5px;box-shadow:0 18px 44px rgba(16,24,40,.24);
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* 焦点可见 */
:where(button,a,input,summary):focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.frame-bar{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px;align-items:center}
.frame{
  border:1px solid var(--line-2);background:var(--surface);color:var(--txt-3);
  padding:3px 9px;border-radius:999px;font-size:11px;font-family:var(--mono);transition:.18s;
}
.frame:hover{border-color:var(--accent);color:var(--accent)}
.frame.on{color:#fff;background:var(--teal);border-color:var(--teal);font-weight:600}
.play{
  margin-left:auto;border:1px solid var(--line-2);background:var(--surface);color:var(--txt-3);
  width:26px;height:26px;border-radius:7px;font-size:10px;line-height:1;
}
.play:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- 详情卡：左信息 / 右演示 + 提示词 ---------- */
.card-detail{overflow:visible}
.detail-body{
  display:grid;grid-template-columns:380px minmax(0,1fr);
  grid-template-areas:"info varbar" "info demo" "info prompt";
  grid-template-rows:auto auto auto;
}
.detail-info{
  grid-area:info;padding:20px 18px 22px;border-right:1px solid var(--line);
  background:var(--surface);
}
.demo-area{grid-area:demo;border-bottom:1px solid var(--line);align-content:center}
.prompt{grid-area:prompt}

/* 列首：说明层级 */
.di-kicker{
  display:flex;align-items:center;gap:6px;margin:0 0 10px;
  font-size:10.5px;letter-spacing:.14em;font-weight:600;color:var(--txt-3);
}
.di-kicker span{color:var(--line-2)}

/* 一句话结论：先给判断 */
.di-gist{
  margin:0;font-size:14.5px;line-height:1.6;font-weight:700;color:#0b5b51;
  background:var(--teal-soft);border-left:3px solid var(--teal);
  padding:11px 12px;border-radius:0 10px 10px 0;
}

/* 四个区块：左侧色条做分组，色条颜色跟随内容类型 */
.di-block{position:relative;margin-top:18px;padding-left:14px;border-left:3px solid var(--line)}
.di-block[data-k="pain"]{border-left-color:rgba(207,75,75,.5)}
.di-block[data-k="logic"]{border-left-color:rgba(58,107,220,.45)}
.di-block[data-k="rule"]{border-left-color:rgba(15,157,138,.5)}
.di-block[data-k="pit"]{border-left-color:rgba(207,75,75,.32)}

.di-h{
  display:flex;align-items:center;gap:8px;margin:0 0 9px;
  font-size:13.5px;font-weight:700;color:var(--txt);
}
.di-h i{
  font-style:normal;font-family:var(--mono);font-size:9.5px;line-height:1;
  border-radius:5px;padding:3px 5px;
  color:var(--txt-3);background:var(--surface-2);
}
.di-block[data-k="pain"] .di-h i{color:#ad4a4a;background:var(--bad-soft)}
.di-block[data-k="logic"] .di-h i{color:var(--accent);background:var(--accent-soft)}
.di-block[data-k="rule"] .di-h i{color:#389e0d;background:var(--good-soft)}
.di-block[data-k="pit"] .di-h i{color:#a26363;background:#fbf1f1}
.di-count{margin-left:auto;font-size:10.5px;font-weight:400;font-family:var(--mono);color:var(--txt-3)}

.di-pain{
  margin:0;font-size:13px;line-height:1.74;color:#a8071a;
  background:var(--bad-soft);border-radius:0 8px 8px 0;
  padding:9px 11px;
}

.di-logic{margin:0;font-size:13px;line-height:1.8;color:var(--txt-2)}
.di-logic b{color:var(--txt);font-weight:650}

.di-rules{list-style:none;counter-reset:di;margin:0;padding:0}
.di-rules li{
  counter-increment:di;position:relative;padding-left:25px;
  font-size:12.8px;line-height:1.66;color:var(--txt-2);margin:0 0 9px;
}
.di-rules li:last-child{margin-bottom:0}
.di-rules li::before{
  content:counter(di);position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:50%;background:var(--teal-soft);
  color:#389e0d;font-family:var(--mono);font-size:10px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.di-rules li b{color:var(--txt);font-weight:650}

.di-pits{list-style:none;margin:0;padding:0}
.di-pits li{
  position:relative;padding-left:17px;font-size:12.5px;line-height:1.62;
  color:#a8071a;margin:0 0 8px;
}
.di-pits li:last-child{margin-bottom:0}
.di-pits li::before{content:"✕";position:absolute;left:0;top:2px;font-size:9px;color:var(--bad)}

/* 关键词：带单位的数字、引号里的文案 */
.di-gist em,.di-pain em,.di-logic em,.di-rules em,.di-pits em{font-style:normal}
em.num{
  font-family:var(--mono);font-size:.9em;font-weight:600;color:var(--txt);
  background:var(--surface-2);border-radius:4px;padding:0 3px;
}
em.ui{
  color:var(--txt);font-weight:550;
  text-decoration:underline;text-decoration-color:rgba(15,157,138,.45);text-underline-offset:2px;
}

@media (max-width:1240px){ .detail-body{grid-template-columns:320px minmax(0,1fr)} }
@media (max-width:1100px){
  /* 窄屏：演示 → 信息 → 提示词 */
  .detail-body{
    grid-template-columns:1fr;
    grid-template-areas:"varbar" "demo" "info" "prompt";
    grid-template-rows:auto auto auto auto;
  }
  .detail-info{border-right:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
}

/* ---------- 提示词 ---------- */
.prompt{background:var(--code-bg)}
.prompt-hd{
  display:flex;align-items:center;gap:9px;padding:9px 17px;flex-wrap:wrap;
  border-bottom:1px solid var(--line);font-size:12px;color:var(--txt-3);
}
.prompt-hd b{color:var(--txt);font-size:12.5px;font-weight:600}
.prompt-tip{color:rgba(0,0,0,.45);font-size:11.5px;margin-left:2px}
.prompt-switch{display:flex;gap:2px;border:1px solid var(--line);border-radius:8px;padding:2px;background:var(--surface-2)}
.prompt-switch .ps{
  border:0;background:transparent;color:var(--txt-3);font-size:11.5px;padding:3px 9px;border-radius:6px;
}
.prompt-switch .ps.on{background:var(--surface);color:var(--txt);box-shadow:0 1px 2px rgba(16,24,40,.1);font-weight:600}
.prompt-hd .copy{
  margin-left:auto;border:1px solid #d9d9d9;background:#fff;color:rgba(0,0,0,.88);
  border-radius:6px;height:28px;padding:0 12px;font-size:13px;font-weight:400;transition:.15s;
}
.prompt-hd .copy:hover{color:var(--accent);border-color:var(--accent)}
.prompt-hd .copy.done{color:var(--good);border-color:var(--good)}
.prompt pre{
  margin:0;padding:13px 17px;font-family:var(--mono);font-size:12px;line-height:1.75;
  color:rgba(0,0,0,.78);white-space:pre-wrap;max-height:420px;overflow:auto;
}
@media (max-width:720px){
  .prompt pre{font-size:11.4px;max-height:none}
  .info{grid-template-columns:1fr}
}

/* ============================================================
   演示组件（浅色）
   ============================================================ */

/* 字段 */
.field{width:100%}
.labrow{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.lab{font-size:13px;color:#2b3648;font-weight:600}
.fmt{font-family:var(--mono);font-size:10.5px;color:var(--txt-3);font-weight:400}
.opt{font-size:10.5px;color:var(--txt-3);margin-left:auto}
.inp{
  width:100%;background:var(--field);border:1px solid var(--field-line);border-radius:10px;
  color:var(--txt);padding:10px 12px;font-size:14px;outline:none;
  transition:border-color .18s,box-shadow .18s,background .18s,opacity .18s;
}
.inp::placeholder{color:var(--ph)}
.field.is-hover .inp{border-color:#4096ff}
.field.is-focus .inp{border-color:var(--accent);box-shadow:0 0 0 3px rgba(58,107,220,.14)}
.field.is-invalid .inp{border-color:var(--bad);box-shadow:0 0 0 3px rgba(207,75,75,.12)}
.field.is-disabled .inp{opacity:.55;cursor:not-allowed;background:var(--surface-2)}
.hint{margin:6px 0 0;font-size:11.5px;color:var(--txt-3)}
.hint.is-hidden{display:none}
.err{margin:6px 0 0;font-size:12px;color:var(--bad);display:flex;gap:6px;align-items:flex-start}
.err:empty{display:none}
.err::before{content:"! ";font-weight:800;flex:none}
.err.is-on{display:flex}

.pane.is-mobile .inp{padding:13px 12px;font-size:15px;border-radius:11px}
.pane.is-mobile .lab{font-size:13.5px}

/* 密码 */
.inp-wrap{position:relative}
.eye{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  background:transparent;border:0;color:var(--txt-3);font-size:15px;padding:4px 6px;border-radius:6px;
}
.eye:hover{color:var(--txt);background:var(--surface-2)}
.pane.is-mobile .eye{padding:10px}
.rules-mini{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:5px 13px}
.rules-mini li{font-size:11.5px;color:var(--txt-3);display:flex;align-items:center;gap:5px}
.rules-mini li::before{content:"";width:6px;height:6px;border-radius:50%;background:#c3ccd8;flex:none}
.rules-mini li.is-ok{color:var(--good)}
.rules-mini li.is-ok::before{background:var(--good)}
.rules-mini li.is-bad{color:var(--bad)}
.rules-mini li.is-bad::before{background:var(--bad)}

/* OTP */
.otp{display:flex;gap:8px}
.otp-cell{
  width:44px;height:52px;text-align:center;font-size:19px;font-family:var(--mono);
  background:var(--field);border:1px solid var(--field-line);border-radius:10px;color:var(--txt);outline:none;
  transition:border-color .15s,box-shadow .15s;
}
.otp-cell:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(58,107,220,.14)}
.otp-cell.is-filled{border-color:#a9b6c7;background:#fdfefe}
.pane.is-mobile .otp{justify-content:space-between;gap:6px}
.pane.is-mobile .otp-cell{width:100%;min-width:0;flex:1;height:54px;font-size:20px}
.otp.shake{animation:shake .32s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

/* 日期 */
.dp{position:relative;width:100%}
.dp-input{
  display:flex;align-items:center;gap:6px;background:var(--field);border:1px solid var(--field-line);
  border-radius:10px;padding:9px 12px;font-family:var(--mono);font-size:14px;color:var(--txt);
  transition:border-color .18s;
}
.dp-input:hover{border-color:#4096ff}
.dseg{padding:1px 4px;border-radius:4px;min-width:26px;text-align:center;transition:background .15s,color .15s;cursor:text}
.dseg.is-focus{background:var(--accent-soft);color:var(--accent);outline:1px solid var(--accent)}
.sep{color:#c3ccd8}
.caret{margin-left:auto;color:var(--txt-3);font-size:11px}
.pane.is-mobile .dp-input{padding:12px;font-size:15px}

/* 日历浮层（桌面） */
.dp-pop{
  position:absolute;top:calc(100% + 8px);left:0;z-index:25;width:296px;
  background:var(--surface);border:1px solid var(--line-2);border-radius:12px;padding:12px;
  box-shadow:var(--shadow-2);opacity:0;transform:translateY(-6px) scale(.98);
  pointer-events:none;transition:opacity .18s,transform .18s;
}
.dp-pop.is-open{opacity:1;transform:none;pointer-events:auto}
.cal-head{display:flex;align-items:center;gap:6px;margin-bottom:8px}
.cal-nav{background:transparent;border:1px solid transparent;color:var(--txt-2);border-radius:6px;padding:2px 8px}
.cal-nav:hover{background:var(--surface-2);color:var(--txt)}
.cal-title{
  flex:1;text-align:center;background:transparent;border:0;color:var(--txt);
  font-size:13px;font-weight:600;padding:3px 0;border-radius:6px;
}
.cal-title:hover{background:var(--surface-2)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.cal-dow{font-size:10.5px;color:var(--txt-3);text-align:center;padding:2px 0}
.cal-day{
  border:0;background:transparent;color:var(--txt-2);font-size:12px;height:30px;border-radius:7px;
  transition:background .12s;
}
.cal-day:hover{background:var(--surface-2)}
.cal-day.is-today{box-shadow:inset 0 0 0 1px var(--teal);color:var(--teal);font-weight:600}
.cal-day.is-selected{background:var(--accent);color:#fff;font-weight:700}
.cal-day.is-disabled{color:#c3ccd8;cursor:not-allowed}
.cal-foot{display:flex;align-items:center;gap:8px;margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}
.cal-note{font-size:10.5px;color:var(--txt-3);line-height:1.4}

/* 底部面板：浮在演示区内，不再铺满整个屏幕 */
.sheet-ov{
  position:absolute;inset:0;z-index:35;
  display:flex;align-items:flex-end;justify-content:center;
  background:rgba(16,24,40,.36);backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity .2s;
}
.sheet-ov.is-open{opacity:1;pointer-events:auto}
.sheet{
  width:100%;max-width:520px;background:var(--surface);border:1px solid var(--line-2);border-bottom:0;
  border-radius:14px 14px 0 0;padding:8px 16px 16px;
  box-shadow:0 -12px 40px rgba(16,24,40,.18);
  transform:translateY(14px);transition:transform .22s cubic-bezier(.2,.8,.3,1);
  max-height:100%;overflow:auto;
}
.sheet-ov.is-open .sheet{transform:none}
.sheet-grab{width:36px;height:4px;border-radius:2px;background:#d6dce6;margin:4px auto 10px}
.sheet-hd{display:flex;align-items:center;gap:10px;padding-bottom:8px}
.sheet-hd b{font-size:15px}
.sheet-x{margin-left:auto;background:transparent;border:0;color:var(--txt-3);font-size:20px;line-height:1;padding:2px 6px;border-radius:6px}
.sheet-x:hover{color:var(--txt);background:var(--surface-2)}
.sheet-list{display:flex;flex-direction:column;margin-top:2px}
.sheet-opt{
  display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  background:transparent;border:0;border-top:1px solid var(--line);color:var(--txt-2);
  font-size:14.5px;padding:15px 2px;min-height:52px;
}
.sheet-opt:first-child{border-top:0}
.sheet-opt:hover{background:var(--surface-2)}
.sheet-opt.is-hi{color:var(--txt);font-weight:600}
.sheet-opt .tick{margin-left:auto;color:var(--teal)}
.sheet-bd{padding:4px 0 10px}
.sheet-ft{display:flex;flex-direction:column;gap:8px;padding-top:6px}

/* 下拉（桌面） */
.sel{position:relative;width:100%}
.sel-trigger{
  width:100%;display:flex;align-items:center;gap:8px;background:var(--field);
  border:1px solid var(--field-line);border-radius:10px;padding:10px 12px;font-size:14px;color:var(--txt);
  text-align:left;transition:border-color .15s;
}
.sel-trigger:hover{border-color:#4096ff}
.sel-trigger .arw{margin-left:auto;color:var(--txt-3);font-size:11px;transition:transform .18s}
.sel-trigger.is-open .arw{transform:rotate(180deg)}
.sel-menu{
  position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:25;
  background:var(--surface);border:1px solid var(--line-2);border-radius:10px;padding:5px;
  box-shadow:var(--shadow-2);opacity:0;transform:translateY(-5px);pointer-events:none;transition:.16s;
}
.sel-menu.is-open{opacity:1;transform:none;pointer-events:auto}
.opt{
  display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:7px;
  font-size:13.5px;color:var(--txt-2);transition:background .12s;cursor:pointer;
}
.opt.is-hi{background:var(--accent-soft);color:var(--accent);font-weight:600}
.opt .tick{margin-left:auto;color:var(--teal);font-size:11px}

/* 按钮 */
.btn{
  border:1px solid transparent;background:var(--accent);color:#fff;font-weight:600;
  border-radius:10px;padding:9px 16px;font-size:13.5px;transition:.15s;position:relative;
  box-shadow:0 1px 2px rgba(16,24,40,.08);
}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:var(--surface);border-color:var(--line-2);color:var(--txt-2);box-shadow:none}
.btn.ghost:hover{border-color:#a9b6c7;color:var(--txt)}
.btn.sm{padding:6px 12px;font-size:12.5px;border-radius:9px}
.btn.block{display:flex;align-items:center;justify-content:center;width:100%;padding:13px 16px;font-size:15px;border-radius:12px}
.pane.is-mobile .btn{padding:12px 18px;font-size:14.5px}
.pane.is-mobile .btn.sm{padding:10px 14px;font-size:13px}

/* Modal（桌面居中） */
.stage{position:relative;min-height:236px;display:flex;align-items:center;justify-content:center}
.pane.is-mobile .stage{min-height:120px}
.modal-ov{
  position:absolute;inset:0;border-radius:10px;z-index:30;display:flex;align-items:center;justify-content:center;
  background:rgba(16,24,40,.38);backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity .18s;
}
.modal-ov.is-open{opacity:1;pointer-events:auto}
.modal{
  width:min(360px,100%);background:var(--surface);border:1px solid var(--line-2);border-radius:14px;
  box-shadow:0 24px 60px rgba(16,24,40,.22);transform:scale(.96) translateY(4px);
  transition:transform .18s cubic-bezier(.2,.8,.3,1);
}
.modal-ov.is-open .modal{transform:none}
.modal-hd{display:flex;align-items:center;padding:14px 16px 8px}
.modal-hd h4{margin:0;font-size:15px}
.modal-hd .x{margin-left:auto;background:transparent;border:0;color:var(--txt-3);font-size:18px;line-height:1;padding:2px 6px;border-radius:6px}
.modal-hd .x:hover{color:var(--txt);background:var(--surface-2)}
.modal-bd{padding:6px 16px 14px}
.modal-ft{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px 16px;border-top:1px solid var(--line)}
.spin{
  display:inline-block;width:12px;height:12px;margin-left:8px;vertical-align:-1px;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;
  animation:sp .7s linear infinite;
}
@keyframes sp{to{transform:rotate(360deg)}}
.toast-strip{
  position:absolute;right:0;bottom:0;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid #f0f0f0;border-radius:10px;padding:8px 12px;
  font-size:12px;color:rgba(0,0,0,.88);box-shadow:0 6px 16px rgba(0,0,0,.08);
  opacity:0;transform:translateY(8px);transition:.2s;pointer-events:none;
}
.toast-strip.is-on{opacity:1;transform:none}
.dot{width:7px;height:7px;border-radius:50%;background:#4ade80;flex:none}

/* Toast */
.toast-demo{
  display:flex;align-items:center;gap:12px;width:100%;
  background:#fff;border:1px solid #f0f0f0;border-radius:12px;padding:10px 13px;
  font-size:12.5px;color:rgba(0,0,0,.88);box-shadow:0 6px 16px rgba(0,0,0,.08);
  transform:translateY(10px);opacity:0;transition:.22s;
}
.toast-demo.is-in{transform:none;opacity:1}
.pane.is-mobile .toast-demo{padding:14px 15px;font-size:13.5px}
.tmsg{flex:1}
.tact{background:transparent;border:0;color:#1677ff;font-size:12.5px;font-weight:500;padding:2px 4px;border-radius:4px}
.tact:hover{background:rgba(94,234,212,.12)}

/* 表格（桌面） */
.tbl{width:100%;overflow:hidden;border:1px solid var(--line);border-radius:11px;background:var(--surface)}
.tbl table{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl th{
  text-align:left;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--txt-3);
  background:var(--surface-2);padding:8px 11px;border-bottom:1px solid var(--line);font-weight:700;
}
.tbl td{padding:9px 11px;border-bottom:1px solid var(--line);color:var(--txt-2)}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover td{background:#f7f9fc}
.tbl .num{text-align:right;font-family:var(--mono)}
.tbl .ops{width:38px;text-align:right}
.tbl .x{background:transparent;border:1px solid transparent;color:var(--txt-3);border-radius:6px;padding:1px 7px}
.tbl .x:hover{color:var(--txt);border-color:var(--line-2);background:var(--surface-2)}
.tbl-skel{padding:10px 12px}
.sk-row{
  height:14px;border-radius:5px;margin:9px 0;
  background:linear-gradient(90deg,#eef1f6 25%,#e3e8f0 37%,#eef1f6 63%);
  background-size:400% 100%;animation:sk 1.4s ease infinite;
}
.sk-row:nth-child(2){width:82%}
.sk-row:nth-child(3){width:64%}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.tbl-empty{display:none;padding:24px 16px;text-align:center;border:1px solid var(--line);border-radius:11px;background:var(--surface)}
.tbl-empty.is-on{display:block}
.tbl-empty b{display:block;font-size:13.5px;margin-bottom:4px}
.tbl-empty span{display:block;font-size:12px;color:var(--txt-3);margin-bottom:12px}

/* 卡片列表（移动端表格形态） */
.cards{display:flex;flex-direction:column;gap:9px}
.row-card{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:12px 13px}
.rc-hd{display:flex;align-items:center;gap:10px}
.rc-hd b{font-size:14.5px}
.rc-hd .x{margin-left:auto;background:transparent;border:0;color:var(--txt-3);padding:4px 8px;border-radius:6px}
.rc-meta{margin-top:3px;font-size:12px;color:var(--txt-3)}

/* 侧边导航（桌面） */
.sb{
  width:100%;max-width:230px;background:var(--surface);border:1px solid var(--line);border-radius:11px;
  padding:9px;transition:max-width .22s ease;
}
.sb.is-collapsed{max-width:60px}
.sb-item{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;
  font-size:13px;color:var(--txt-2);white-space:nowrap;overflow:hidden;transition:background .15s;cursor:pointer;
}
.sb-item:hover{background:var(--surface-2)}
.sb-item.is-active{background:var(--accent-soft);color:var(--accent);font-weight:600;box-shadow:inset 2px 0 0 var(--accent)}
.sb-ico{width:18px;text-align:center;color:var(--teal);flex:none}
.sb-group{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-3);padding:10px 10px 4px;white-space:nowrap}
.sb.is-collapsed .sb-txt{opacity:0}
.sb.is-collapsed .sb-group{height:1px;padding:0;margin:7px 4px;background:var(--line);overflow:hidden}

/* 底部 Tab bar（移动端侧边导航形态） */
.tabbar-demo{
  display:flex;width:100%;background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
}
.tb-item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:10.5px;color:var(--txt-3);padding:7px 2px 5px;border-radius:9px;cursor:pointer;transition:.15s;
}
.tb-item.is-active{color:var(--accent);background:var(--accent-soft)}
.tb-ico{font-size:15px;line-height:1}

/* Tabs */
.tabs-demo{border-bottom:1px solid var(--line);width:100%;position:relative}
.tab-bar{display:flex;gap:4px;position:relative;overflow-x:auto;scrollbar-width:none}
.tab-bar::-webkit-scrollbar{display:none}
.tab{
  background:transparent;border:0;color:var(--txt-3);font-size:13px;padding:8px 12px 10px;
  white-space:nowrap;transition:color .18s;flex:none;
}
.tab:hover{color:var(--txt-2)}
.tab.is-on{color:var(--txt);font-weight:650;box-shadow:inset 0 -2px 0 var(--teal)}
.tab-panel{margin:12px 0 0;font-size:13px;color:var(--txt-2)}

/* 空状态 */
.empty{text-align:center;padding:6px 0}
.empty-art{
  width:42px;height:42px;margin:0 auto 9px;border-radius:50%;
  border:1px dashed #c9d2de;color:#a9b4c2;display:flex;align-items:center;justify-content:center;font-size:18px;
}
.empty b{display:block;font-size:14px;margin-bottom:4px}
.empty p{margin:0 0 12px;font-size:12.5px;color:var(--txt-3);line-height:1.55}
.empty-acts{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.link{background:transparent;border:0;color:var(--accent);font-size:12.5px;padding:0}
.link:hover{text-decoration:underline}
.pane.is-mobile .empty-acts{flex-direction:column;gap:10px}
.pane.is-mobile .empty-acts .btn{width:100%}

/* 对比视图：底部面板仍限制在所属列内 */

/* 减少动效 / 打印 */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}
@media print{
  body{background:#fff}
  .top,.toc,.toc-backdrop,.frame-bar,.play,.prompt-hd .copy{display:none!important}
  .layout{display:block;padding:0}
  .card{box-shadow:none}
}

/* ============================================================
   新增组件演示
   ============================================================ */

/* 按钮组 */
.btnrow{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btnstack{display:flex;flex-direction:column;gap:10px;width:100%}
.btn.text{background:transparent;color:var(--accent);box-shadow:none;padding-left:6px;padding-right:6px}
.btn.text:hover{background:var(--accent-soft)}
.btn.is-hover{filter:brightness(1.05)}
.btn.is-pressed{transform:translateY(1px);filter:brightness(.96)}
.btn.is-disabled,.btn:disabled{opacity:.5;cursor:not-allowed;filter:none}

/* 复选框 */
.chk-group{display:flex;flex-direction:column;gap:10px}
.chk{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--txt-2);cursor:pointer;position:relative}
.chk input{position:absolute;opacity:0;width:0;height:0}
.chk .box{
  width:16px;height:16px;border:1.5px solid var(--line-2);border-radius:4px;background:var(--surface);
  display:flex;align-items:center;justify-content:center;flex:none;transition:.15s;
}
.chk input:checked + .box{background:var(--accent);border-color:var(--accent)}
.chk input:checked + .box::after{content:"";width:8px;height:4px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg);margin-top:-2px}
.chk input:indeterminate + .box{background:var(--accent);border-color:var(--accent)}
.chk input:indeterminate + .box::after{content:"";width:8px;height:2px;background:#fff}
.chk-all{margin-bottom:2px;font-weight:600;color:var(--txt)}
.pane.is-mobile .chk{min-height:48px;font-size:15px}
.pane.is-mobile .chk .box{width:20px;height:20px}

/* 单选框 */
.rad-group{display:flex;flex-direction:column;gap:8px;width:100%}
.rad{
  display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;cursor:pointer;background:var(--surface);transition:.15s;
}
.rad:hover{border-color:var(--line-2)}
.rad input{position:absolute;opacity:0}
.rad .rdot{width:16px;height:16px;border:1.5px solid var(--line-2);border-radius:50%;flex:none;margin-top:2px;position:relative;transition:.15s}
.rad input:checked + .rdot{border-color:var(--accent)}
.rad input:checked + .rdot::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--accent)}
.rad.is-on{border-color:var(--accent);background:var(--accent-soft)}
.rad .rt{display:flex;flex-direction:column;gap:2px}
.rad .rt b{font-size:13.5px;color:var(--txt)}
.rad .rt em{font-style:normal;font-size:12px;color:var(--txt-3)}
.pane.is-mobile .rad{padding:14px 13px;min-height:56px}

/* 开关 */
.sw-list{display:flex;flex-direction:column;width:100%}
.sw-row{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.sw-row:last-child{border-bottom:0}
.sw-txt{display:flex;flex-direction:column;gap:2px}
.sw-txt b{font-size:13.5px;color:var(--txt)}
.sw-txt span{font-size:12px;color:var(--txt-3)}
.sw{
  width:38px;height:22px;border-radius:999px;border:0;background:#cfd6e0;position:relative;
  margin-left:auto;flex:none;transition:.18s;cursor:pointer;padding:0;
}
.sw i{position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.18s;box-shadow:0 1px 2px rgba(16,24,40,.25)}
.sw.is-on{background:var(--teal)}
.sw.is-on i{transform:translateX(16px)}
.sw.is-busy{opacity:.6;cursor:progress}
.pane.is-mobile .sw{width:46px;height:28px}
.pane.is-mobile .sw i{width:22px;height:22px}
.pane.is-mobile .sw.is-on i{transform:translateX(18px)}

/* 多行文本 */
.ta{resize:vertical;min-height:84px;line-height:1.7}
.pane.is-mobile .ta{min-height:110px}

/* 搜索 */
.search{
  position:relative;width:100%;display:flex;align-items:center;gap:8px;
  background:var(--field);border:1px solid var(--field-line);border-radius:10px;padding:9px 12px;
}
.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(58,107,220,.14)}
.sico{color:var(--txt-3);font-size:14px}
.sinp{flex:1;border:0;outline:none;background:transparent;font-size:14px;color:var(--txt);min-width:0}
.kbd{font-family:var(--mono);font-size:10.5px;color:var(--txt-3);border:1px solid var(--line-2);border-radius:5px;padding:1px 5px;background:var(--surface-2)}
.sug{
  position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--surface);
  border:1px solid var(--line-2);border-radius:10px;box-shadow:var(--shadow-2);padding:5px;z-index:20;
  opacity:0;transform:translateY(-4px);pointer-events:none;transition:.15s;
}
.sug.is-open{opacity:1;transform:none;pointer-events:auto}
.sug-hd{font-size:10.5px;color:var(--txt-3);padding:5px 8px}
.sug-item{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:7px;font-size:13px;color:var(--txt-2);cursor:pointer}
.sug-item:hover{background:var(--surface-2)}
.sug-item em{margin-left:auto;font-style:normal;font-size:11px;color:var(--txt-3)}
.sug-empty{padding:10px 9px;font-size:12.5px;color:var(--txt-3)}
.scancel{display:none;border:0;background:transparent;color:var(--accent);font-size:13px}
.pane.is-mobile .scancel{display:block}
.pane.is-mobile .sinp{font-size:16px}

/* 上传 */
/* 上传列表：对齐 Ant Upload list */
.up{width:100%;display:flex;flex-direction:column;gap:8px}
.up-zone{
  display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;width:100%;
  padding:20px;border:1px dashed #d9d9d9;border-radius:8px;background:var(--surface);
  color:var(--txt-2);cursor:pointer;transition:.15s;
}
.up-zone:hover{border-color:#4096ff;background:#fafafa}
.up-zone b{font-size:14px;color:rgba(0,0,0,.88)}
.up-zone span{font-size:12px;color:rgba(0,0,0,.45)}
.pane.is-mobile .up-zone{padding:26px 16px}

.up-list{display:flex;flex-direction:column;gap:2px}
.up-item{
  display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;
  transition:background .2s,opacity .15s;
}
.up-item:hover{background:rgba(0,0,0,.03)}
.up-ico{display:flex;flex:none;color:rgba(0,0,0,.45)}
.up-main{flex:1;min-width:0}
.up-name{
  font-size:14px;line-height:1.5;color:rgba(0,0,0,.88);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.up-line{display:flex;align-items:center;gap:8px;margin-top:2px}
.up-track{flex:1;height:2px;border-radius:1px;background:rgba(0,0,0,.06);overflow:hidden}
.up-track i{display:block;height:100%;border-radius:1px;background:#1677ff;transition:width .15s linear}
.up-line em{font-style:normal;font-size:12px;color:rgba(0,0,0,.45);min-width:32px;text-align:right;font-family:var(--mono)}
.up-item.is-idle .up-line,.up-item.is-done .up-line{display:none}
.up-item.is-error .up-track{display:none}
.up-item.is-done .up-name::after{content:" ✓";color:#52c41a;font-size:12px}
.up-item.is-done .up-track i{background:#52c41a}
.up-item.is-done .up-line em{color:#52c41a}
.up-item.is-error .up-track i{background:#ff4d4f}
.up-item.is-error .up-line em{color:#ff4d4f;min-width:auto;font-family:inherit}
.up-del{
  width:24px;height:24px;flex:none;display:inline-flex;align-items:center;justify-content:center;
  border:0;background:transparent;border-radius:4px;color:rgba(0,0,0,.45);
  opacity:0;transition:opacity .2s,color .15s,background .15s;cursor:pointer;
}
.up-item:hover .up-del,.up-item:focus-within .up-del{opacity:1}
.up-del:hover{color:#ff4d4f;background:rgba(255,77,79,.08)}
.pane.is-mobile .up-del{opacity:1}
.pane.is-mobile .up-item{padding:10px}
.pane.is-mobile .up-name{font-size:15px}

/* 分页 */
.pager{display:flex;align-items:center;gap:6px;flex-wrap:wrap;width:100%}
.pg{
  min-width:32px;height:32px;border:1px solid var(--line);background:var(--surface);border-radius:8px;
  color:var(--txt-2);font-size:12.5px;padding:0 8px;cursor:pointer;transition:.15s;
}
.pg:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.pg.is-on{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.pg:disabled{opacity:.4;cursor:not-allowed}
.pg-gap{color:var(--txt-3);padding:0 2px}
.pg-total{margin-left:auto;font-size:11.5px;color:var(--txt-3)}
.pager.is-compact{justify-content:space-between}
.pg-now{font-size:12.5px;color:var(--txt-2)}
.pg-now b{color:var(--txt)}
.pane.is-mobile .pg{height:38px;min-width:38px}

/* 面包屑 */
.crumbs{display:flex;align-items:center;gap:7px;font-size:13px;flex-wrap:wrap}
.clink{border:0;background:transparent;color:var(--accent);font-size:13px;padding:0;cursor:pointer}
.clink:hover{text-decoration:underline}
.csep{color:var(--line-2)}
.cur{color:var(--txt-2)}
.cdots{color:var(--txt-3)}

/* 手风琴 */
.acc{width:100%;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface)}
.acc-item + .acc-item{border-top:1px solid var(--line)}
.acc-h{
  display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:transparent;border:0;
  padding:12px 14px;font-size:13.5px;color:var(--txt);cursor:pointer;
}
.acc-h:hover{background:var(--surface-2)}
.acc-i{margin-left:auto;color:var(--txt-3);font-size:10px;transition:transform .18s}
.acc-item.is-open .acc-i{transform:rotate(180deg)}
.acc-b{max-height:0;overflow:hidden;padding:0 14px;font-size:12.8px;color:var(--txt-2);line-height:1.7;transition:max-height .2s ease,padding .2s ease}
.acc-item.is-open .acc-b{max-height:160px;padding:0 14px 13px}
.pane.is-mobile .acc-h{min-height:52px;font-size:14px}

/* 徽标 */
.tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag{white-space:nowrap}
.tag{font-size:11.5px;line-height:1.6;padding:1px 9px;border-radius:999px;border:1px solid transparent;background:var(--surface-2);color:var(--txt-2)}
.tag.ok{background:#e8f7ee;color:#177a4b;border-color:#bfe8cf}
.tag.warn{background:#fef6e4;color:#96650f;border-color:#f3dfae}
.tag.bad{background:#fdeeee;color:#a43d3d;border-color:#f2c9c9}
.tag.dot::before{content:"●";font-size:8px;margin-right:4px;color:var(--teal)}
.tag.is-outline{background:transparent;border-color:var(--line-2);color:var(--txt-2)}
.pane.is-mobile .tag{font-size:12px;padding:2px 10px}

/* 骨架屏 */
.skel-card{width:100%;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);display:flex;flex-direction:column;gap:9px}
.skel{background:linear-gradient(90deg,#eef1f6 25%,#e3e8f0 37%,#eef1f6 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:6px}
.skel-img{height:96px;border-radius:10px}
.skel-line{height:11px}
.skel-line.w80{width:80%}.skel-line.w70{width:70%}.skel-line.w55{width:55%}
.skel-line.w50{width:50%}.skel-line.w40{width:40%}.skel-line.w35{width:35%}.skel-line.w85{width:85%}
.skel-list{width:100%;display:flex;flex-direction:column;gap:12px}
.skel-row{display:flex;gap:10px;align-items:center}
.skel-ava{width:38px;height:38px;border-radius:50%;flex:none}
.skel-lines{flex:1;display:flex;flex-direction:column;gap:6px}
.skel-real{width:100%;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.skel-real b{font-size:14px}
.skel-real p{margin:4px 0 0;font-size:12.5px;color:var(--txt-2);line-height:1.65}
.real-row{display:flex;flex-direction:column;gap:2px;padding:8px 0;border-bottom:1px solid var(--line)}
.real-row:last-child{border-bottom:0}
.real-row b{font-size:13.5px}
.real-row span{font-size:12px;color:var(--txt-3)}
/* ============================================================
   Ant Design 风格覆盖
   主色 #1677ff / 圆角 6px / 控件高 32px / 具体 hover 与 focus 色值
   ============================================================ */

body{
  background:#f5f5f5;color:rgba(0,0,0,.88);
  font:14px/1.5715 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}

/* 顶栏 */
.top{background:#fff;border-bottom:1px solid #f0f0f0;backdrop-filter:none}
.top-in{height:56px}
.brand b{font-size:15px;color:rgba(0,0,0,.88)}
.brand span{color:rgba(0,0,0,.45)}
.toc-toggle{border-color:#d9d9d9;border-radius:6px}

/* 分段控制器 */
.pswitch{background:#f5f5f5;border:0;padding:2px;border-radius:6px}
.pswitch [data-platform]{border-radius:4px;color:rgba(0,0,0,.65);font-size:13px;padding:5px 12px}
.pswitch [data-platform]:hover{color:#1677ff}
.pswitch [data-platform].on{
  background:#fff;color:rgba(0,0,0,.88);font-weight:500;
  box-shadow:0 1px 2px rgba(0,0,0,.06),0 0 0 1px rgba(0,0,0,.03);
}

/* 目录（Ant Menu 浅色） */
.toc-hd b{font-size:12px;letter-spacing:0;color:rgba(0,0,0,.45)}
.toc-cat{border-radius:6px;font-size:14px;font-weight:500;color:rgba(0,0,0,.88)}
.toc-cat:hover{background:#f5f5f5}
.toc-items a{border-radius:6px;color:rgba(0,0,0,.65)}
.toc-items a:hover{background:#f5f5f5;color:rgba(0,0,0,.88)}
.toc-items a.is-active{background:#e6f4ff;color:#1677ff;transition:none}
.toc-items a.is-active::before{display:none}
.toc-items a.is-active .t{font-weight:500}
.toc-items a.is-active .e{color:#1677ff;opacity:.65}
.toc-group.has-active > .toc-cat{color:#1677ff}

/* 页面标题 */
.hero h1{font-size:24px;color:rgba(0,0,0,.88)}
.hero h1 em{color:#1677ff}
.hero p{color:rgba(0,0,0,.65);font-size:14px}
.mode-note{
  border:1px solid #d9d9d9;background:#fafafa;color:rgba(0,0,0,.65);
  border-radius:4px;font-size:12px;padding:1px 8px;
}
.cat h2{font-size:12px;color:rgba(0,0,0,.45);letter-spacing:.06em}

/* 卡片 */
.card{border:1px solid #f0f0f0;border-radius:8px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.card-head{border-bottom:1px solid #f0f0f0;padding:14px 18px}
.card-head h3{font-size:16px;font-weight:600;color:rgba(0,0,0,.88)}
.card-head .en{color:#1677ff}
.card-head .alias,.card-head .variants{color:rgba(0,0,0,.45)}
.demo-area{background:#fafafa;border-bottom:1px solid #f0f0f0}

/* 按钮 */
.btn{
  height:32px;padding:0 15px;border-radius:6px;font-size:14px;
  background:#1677ff;border:1px solid #1677ff;color:#fff;
  box-shadow:0 2px 0 rgba(5,145,255,.1);
}
.btn:hover{background:#4096ff;border-color:#4096ff;filter:none}
.btn:active{background:#0958d9;border-color:#0958d9}
.btn.ghost{background:#fff;border-color:#d9d9d9;color:rgba(0,0,0,.88);box-shadow:none}
.btn.ghost:hover{background:#fff;border-color:#4096ff;color:#4096ff}
.btn.text{background:transparent;border-color:transparent;color:rgba(0,0,0,.88);box-shadow:none;padding:0 8px}
.btn.text:hover{background:rgba(0,0,0,.06);color:rgba(0,0,0,.88)}
.btn.sm{height:24px;padding:0 7px;font-size:12px;border-radius:4px}
.btn.block{height:40px;font-size:16px}

/* 输入 */
.inp{height:32px;padding:4px 11px;border-radius:6px;border-color:#d9d9d9;font-size:14px;color:rgba(0,0,0,.88)}
.inp::placeholder{color:#bfbfbf}
.inp:hover{border-color:#4096ff}
.field.is-hover .inp{border-color:#4096ff}
.field.is-focus .inp{border-color:#1677ff;box-shadow:0 0 0 2px rgba(5,145,255,.1);background:#fff}
.field.is-invalid .inp{border-color:#ff4d4f;box-shadow:0 0 0 2px rgba(255,77,79,.1)}
.ta{height:auto;min-height:72px;padding:4px 11px;line-height:1.5715}
.lab{font-size:14px;font-weight:500;color:rgba(0,0,0,.88)}
.hint{color:rgba(0,0,0,.45)}
.err{color:#ff4d4f}
.otp-cell{height:40px;border-radius:6px;border-color:#d9d9d9;font-size:18px}
.otp-cell:focus{border-color:#1677ff;box-shadow:0 0 0 2px rgba(5,145,255,.1)}
.sel-trigger,.dp-input{
  height:32px;border-radius:6px;border-color:#d9d9d9;padding:4px 11px;font-size:14px;color:rgba(0,0,0,.88);
}
.sel-trigger:hover,.dp-input:hover{border-color:#4096ff}
.sel-trigger.is-open,.dp-input:focus-within{border-color:#1677ff;box-shadow:0 0 0 2px rgba(5,145,255,.1)}
.sel-menu,.dp-pop,.sug{
  border-radius:8px;border-color:transparent;
  box-shadow:0 6px 16px rgba(0,0,0,.08),0 3px 6px -4px rgba(0,0,0,.12),0 9px 28px 8px rgba(0,0,0,.05);
}
.opt{border-radius:4px}
.opt.is-hi{background:#e6f4ff;color:#1677ff;font-weight:400}
.dseg.is-focus{background:#e6f4ff;color:#1677ff;outline:1px solid #1677ff}

/* 复选框 / 单选框 / 开关 */
.chk input:checked + .box,.chk input:indeterminate + .box{background:#1677ff;border-color:#1677ff}
.rad input:checked + .rdot{border-color:#1677ff}
.rad input:checked + .rdot::after{background:#1677ff}
.rad.is-on{border-color:#1677ff;background:#e6f4ff}
.rad .rt b{font-size:14px}
.sw{background:rgba(0,0,0,.25)}
.sw.is-on{background:#1677ff}
.search{border-radius:6px;border-color:#d9d9d9}
.search:focus-within{border-color:#1677ff;box-shadow:0 0 0 2px rgba(5,145,255,.1)}
.sug-item{border-radius:4px}
.sug-item:hover{background:#f5f5f5}

/* Tabs */
.tab{font-size:14px;color:rgba(0,0,0,.65)}
.tab:hover{color:#4096ff}
.tab.is-on{color:#1677ff;font-weight:500;box-shadow:inset 0 -2px 0 #1677ff}

/* 表格 */
.tbl{border-color:#f0f0f0;border-radius:8px}
.tbl th{background:#fafafa;color:rgba(0,0,0,.88);font-weight:600;font-size:13px;border-bottom:1px solid #f0f0f0}
.tbl td{border-bottom:1px solid #f0f0f0;color:rgba(0,0,0,.88)}
.tbl tbody tr:hover td{background:#fafafa}

/* 弹层 */
.modal{border-radius:8px;box-shadow:0 6px 16px rgba(0,0,0,.08),0 3px 6px -4px rgba(0,0,0,.12),0 9px 28px 8px rgba(0,0,0,.05)}
.modal-hd h4{font-size:16px;font-weight:600}
.sheet{border-radius:8px 8px 0 0}
.toast,.toast-demo{
  background:#fff;color:rgba(0,0,0,.88);border:1px solid #f0f0f0;
  box-shadow:0 6px 16px rgba(0,0,0,.08),0 3px 6px -4px rgba(0,0,0,.12);
}
.toast-demo .tact{color:#1677ff}

/* 徽标 */
.tag{border-radius:4px;font-size:12px;line-height:20px;padding:0 7px;background:#fafafa;border:1px solid #d9d9d9;color:rgba(0,0,0,.88)}
.tag.ok{background:#f6ffed;border-color:#b7eb8f;color:#52c41a}
.tag.warn{background:#fffbe6;border-color:#ffe58f;color:#faad14}
.tag.bad{background:#fff2f0;border-color:#ffccc7;color:#ff4d4f}
.tag.dot::before{color:#1677ff}
.tag.is-outline{background:transparent;border-color:#d9d9d9;color:rgba(0,0,0,.65)}

/* 分页 */
.pg{height:32px;min-width:32px;border-radius:6px;border-color:#d9d9d9;color:rgba(0,0,0,.88)}
.pg:hover:not(:disabled){border-color:#1677ff;color:#1677ff}
.pg.is-on{background:#1677ff;border-color:#1677ff;color:#fff}

/* 手风琴 / 上传 / 骨架 */
.acc{border-radius:8px;border-color:#f0f0f0}
.acc-h:hover{background:#fafafa}
.acc-h{font-size:14px}
.up-zone{border-radius:8px;border-color:#d9d9d9}
.up-zone:hover{border-color:#4096ff;background:#fafafa}
.up-zone b{font-size:14px}
.skel{background:linear-gradient(90deg,rgba(0,0,0,.04) 25%,rgba(0,0,0,.08) 37%,rgba(0,0,0,.04) 63%)}
.skel-card,.skel-real{border-color:#f0f0f0;border-radius:8px}

/* 演示区状态按钮 */
.frame{border-radius:4px;border-color:#d9d9d9;color:rgba(0,0,0,.65);background:#fff}
.frame:hover{border-color:#4096ff;color:#4096ff}
.frame.on{background:#1677ff;border-color:#1677ff;color:#fff}
.play{border-radius:4px;border-color:#d9d9d9;background:#fff}
.play:hover{color:#1677ff;border-color:#1677ff}

/* 信息区 */
.di-gist{background:#e6f4ff;color:#0958d9;border-left-color:#1677ff;font-size:14px;font-weight:600}
.di-block[data-k="pain"]{border-left-color:#ff4d4f}
.di-block[data-k="logic"]{border-left-color:#1677ff}
.di-block[data-k="rule"]{border-left-color:#52c41a}
.di-block[data-k="pit"]{border-left-color:#ffa39e}
.di-h{font-size:14px;font-weight:600}
.di-block[data-k="pain"] .di-h i{color:#cf1322;background:#fff1f0}
.di-block[data-k="logic"] .di-h i{color:#0958d9;background:#e6f4ff}
.di-block[data-k="rule"] .di-h i{color:#389e0d;background:#f6ffed}
.di-block[data-k="pit"] .di-h i{color:#cf1322;background:#fff1f0}
.di-pain{background:#fff2f0;color:#a8071a}
.di-pits li{color:#a8071a}
.di-logic{font-size:14px;line-height:1.5715}
.di-rules li{font-size:13px;line-height:1.5715}
.di-rules li::before{background:#e6f4ff;color:#1677ff}
em.num{background:#f5f5f5;color:rgba(0,0,0,.88)}
em.ui{text-decoration-color:rgba(22,119,255,.45)}

/* 提示词 */
.prompt{background:#fafafa}
.prompt-hd{border-bottom:1px solid #f0f0f0}
.prompt-switch{background:#f5f5f5;border:0}
.prompt-switch .ps.on{background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.06);color:rgba(0,0,0,.88)}
.prompt-hd .copy{border-radius:6px;border-color:#d9d9d9;background:#fff}
.prompt-hd .copy:hover{border-color:#4096ff;color:#4096ff}
.prompt pre{color:rgba(0,0,0,.78);font-size:12.5px}

/* 焦点可达性 */
:where(button,a,input,textarea,summary):focus-visible{
  outline:2px solid rgba(5,145,255,.35);outline-offset:1px;
}
.sheet-hd .sheet-x{font-size:16px;line-height:1;color:rgba(0,0,0,.45)}
.sheet-hd .sheet-x:hover{color:rgba(0,0,0,.88);background:rgba(0,0,0,.06)}
/* ============================================================
   样式变体
   ============================================================ */
.varbar{
  grid-area:varbar;display:flex;gap:6px;flex-wrap:wrap;
  padding:12px 18px 8px;background:#fafafa;border-bottom:1px solid #f0f0f0;
}
.varchip{
  height:28px;padding:0 12px;border:1px solid #d9d9d9;border-radius:6px;background:#fff;
  font-size:13px;color:rgba(0,0,0,.65);cursor:pointer;transition:.15s;
}
.varchip:hover{color:#1677ff;border-color:#4096ff}
.varchip.is-on{background:#1677ff;border-color:#1677ff;color:#fff;font-weight:500}

/* 按钮尺寸与危险态 */
.btn.lg{height:40px;padding:0 15px;font-size:16px}
.btn.danger{background:#ff4d4f;border-color:#ff4d4f;box-shadow:0 2px 0 rgba(255,38,5,.1)}
.btn.danger:hover{background:#ff7875;border-color:#ff7875}
.btn.danger:active{background:#d9363e;border-color:#d9363e}
.btn.danger-ghost{background:#fff;border-color:#ff4d4f;color:#ff4d4f;box-shadow:none}
.btn.danger-ghost:hover{background:#fff;border-color:#ff7875;color:#ff7875}
.btn.danger-ghost:active{border-color:#d9363e;color:#d9363e}

/* 计数徽标 */
.count-row{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.count-wrap{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:rgba(0,0,0,.88)}
.count-badge{
  min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:#ff4d4f;color:#fff;
  font-size:12px;line-height:20px;text-align:center;font-family:var(--mono);
}
.count-dot{width:8px;height:8px;border-radius:50%;background:#ff4d4f}

/* 提示条 */
.alert{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border:1px solid;border-radius:8px;font-size:13px}
.alert .ai{
  flex:none;width:18px;height:18px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:#fff;line-height:1;
}
.alert b{font-size:13px;color:rgba(0,0,0,.88)}
.alert p{margin:2px 0 0;font-size:12.5px;color:rgba(0,0,0,.65);line-height:1.6}
.alert.ok{background:#f6ffed;border-color:#b7eb8f}
.alert.ok .ai{background:#52c41a}
.alert.warn{background:#fffbe6;border-color:#ffe58f}
.alert.warn .ai{background:#faad14}
.alert.bad{background:#fff2f0;border-color:#ffccc7}
.alert.bad .ai{background:#ff4d4f}
.alert.info{background:#e6f4ff;border-color:#91caff}
.alert.info .ai{background:#1677ff}

/* 卡片式标签 */
.tabs-card{display:flex;gap:8px;flex-wrap:wrap}
.tcard{
  height:32px;padding:0 12px;border:1px solid #d9d9d9;border-radius:6px;background:#fff;
  font-size:13px;color:rgba(0,0,0,.65);cursor:pointer;transition:.15s;
}
.tcard:hover{color:#1677ff;border-color:#4096ff}
.tcard.is-on{background:#e6f4ff;border-color:#91caff;color:#1677ff;font-weight:500}

/* 可滚动标签 */
.tab-bar.is-scroll{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
.tab-bar.is-scroll::-webkit-scrollbar{display:none}
.tab-bar.is-scroll .tab{flex:none}

/* 确认类对话框 */
.modal.is-confirm .modal-bd{padding:20px 20px 12px;display:flex;gap:12px;align-items:flex-start}
.modal.is-confirm .confirm-ico{
  width:22px;height:22px;flex:none;border-radius:50%;background:#faad14;color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;
}
.modal.is-confirm .modal-bd b{font-size:15px;color:rgba(0,0,0,.88)}
.modal.is-confirm .modal-bd p{margin:4px 0 0;font-size:13px;color:rgba(0,0,0,.65);line-height:1.6}
.modal.is-confirm .modal-ft{border-top:0;padding:4px 16px 16px}
/* ============================================================
   操作类：图标按钮 / 链接 / 按钮组 / 分段控件 / 下拉菜单
   ============================================================ */
.ibtn-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.ibtn{
  width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;border-radius:6px;background:transparent;color:rgba(0,0,0,.65);
  font-size:12px;cursor:pointer;transition:.15s;
}
.ibtn:hover{background:rgba(0,0,0,.06);color:rgba(0,0,0,.88)}
.ibtn-danger:hover,.ibtn.is-hover{background:rgba(255,77,79,.08);color:#ff4d4f}
.pane.is-mobile .ibtn{width:44px;height:44px}

.tipwrap{position:relative;display:inline-flex}
.tip{
  position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);
  background:rgba(0,0,0,.85);color:#fff;font-size:12px;line-height:1.4;padding:3px 8px;
  border-radius:4px;white-space:nowrap;pointer-events:none;
}
.tip::after{
  content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);
  border:4px solid transparent;border-top-color:rgba(0,0,0,.85);
}

.linkdemo{margin:0;font-size:14px;line-height:1.8;color:rgba(0,0,0,.88)}
.lnk{
  border:0;background:transparent;padding:0;font-size:inherit;color:#1677ff;cursor:pointer;
  text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px;
}
.lnk:hover{color:#4096ff}
.lnk.is-ext{text-decoration-style:dotted}
.lnk.is-danger{color:#ff4d4f}
.lnk.is-danger:hover{color:#ff7875}
.lnk.is-disabled{color:rgba(0,0,0,.25);text-decoration-color:rgba(0,0,0,.15);cursor:not-allowed}

.bgroup{display:inline-flex}
.bgrp{
  height:32px;padding:0 14px;border:1px solid #d9d9d9;background:#fff;color:rgba(0,0,0,.88);
  font-size:14px;cursor:pointer;transition:.15s;margin-left:-1px;
}
.bgrp:first-child{margin-left:0;border-radius:6px 0 0 6px}
.bgrp:last-child{border-radius:0 6px 6px 0}
.bgrp:hover{color:#1677ff;border-color:#4096ff;position:relative;z-index:1}
.bgrp.is-on{background:#1677ff;border-color:#1677ff;color:#fff;position:relative;z-index:1}
.pane.is-mobile .bgrp{height:40px;padding:0 16px}

.splitbtn{display:inline-flex}
.splitbtn .btn{border-radius:6px 0 0 6px}
.splitbtn .split-caret{
  border-radius:0 6px 6px 0;padding:0 10px;border-left:1px solid rgba(255,255,255,.35);font-size:11px;
}

.segctl{display:inline-flex;background:#f5f5f5;border-radius:6px;padding:2px;gap:2px}
.seg-item{
  height:28px;padding:0 14px;border:0;border-radius:4px;background:transparent;
  color:rgba(0,0,0,.65);font-size:13px;cursor:pointer;transition:.2s;display:inline-flex;align-items:center;gap:6px;
}
.seg-item:hover{color:rgba(0,0,0,.88)}
.seg-item.is-on{background:#fff;color:rgba(0,0,0,.88);font-weight:500;box-shadow:0 1px 2px rgba(0,0,0,.06),0 0 0 1px rgba(0,0,0,.03)}
.seg-ico{font-size:13px;line-height:1}
.pane.is-mobile .seg-item{height:34px}

.dmenu-wrap{position:relative;display:inline-block}
.dmenu{
  position:absolute;top:calc(100% + 6px);left:0;min-width:160px;z-index:30;
  background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:4px;
  box-shadow:0 6px 16px rgba(0,0,0,.08),0 3px 6px -4px rgba(0,0,0,.12),0 9px 28px 8px rgba(0,0,0,.05);
  opacity:0;transform:translateY(-4px);pointer-events:none;transition:.15s;
}
.dmenu.is-open{opacity:1;transform:none;pointer-events:auto}
.ditem{
  display:block;width:100%;text-align:left;padding:5px 12px;border:0;border-radius:4px;
  background:transparent;font-size:14px;color:rgba(0,0,0,.88);cursor:pointer;
}
.ditem:hover{background:#f5f5f5}
.ditem.is-danger{color:#ff4d4f}
.ditem.is-danger:hover{background:#fff1f0}
.dsep{height:1px;background:#f0f0f0;margin:4px 0}
.dgroup{font-size:12px;color:rgba(0,0,0,.45);padding:4px 12px}
/* 提示词模式切换 */
.pmode{display:inline-flex;background:#f5f5f5;border-radius:6px;padding:2px;gap:2px}
.pmode .pm{
  height:24px;padding:0 10px;border:0;border-radius:4px;background:transparent;
  font-size:12px;color:rgba(0,0,0,.65);cursor:pointer;transition:.15s;
}
.pmode .pm:hover{color:rgba(0,0,0,.88)}
.pmode .pm.on{background:#fff;color:rgba(0,0,0,.88);font-weight:500;box-shadow:0 1px 2px rgba(0,0,0,.06)}