/* ==========================================================================
   文本理理 TextTidy — 设计系统
   单一系统：一套间距(4~96)、一套字号、一套圆角、一套按钮、一套卡片。
   原则参考 tasteskill 2.5：克制色板、等宽内容边、安静微交互、无紫色。
   ========================================================================== */
:root{
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;

  --ink:#16181c;
  --ink-2:#3c4148;
  --muted:#6b7078;
  --paper:#f7f6f2;
  --surface:#ffffff;
  --surface-2:#fbfaf7;
  --line:#e4e1d9;
  --line-strong:#d3cfc4;
  --brand:#1f5c4a;
  --brand-ink:#143d31;
  --brand-soft:#e7f0ec;

  --t-h1:clamp(40px, 4.6vw, 60px);
  --t-h2:clamp(24px, 2vw, 30px);
  --t-lead:19px;
  --t-body:16px;
  --t-small:14px;
  --t-label:13px;

  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,28,.05), 0 6px 20px rgba(20,24,28,.05);
  --shadow-2:0 2px 6px rgba(20,24,28,.06), 0 18px 44px rgba(20,24,28,.08);
  --gut:48px;
  --nav-h:68px;
  --font:"Inter","SF Pro Text",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Source Han Serif SC","Songti SC",SimSun,serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media(max-width:780px){ :root{ --gut:20px; --nav-h:60px } }

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font:var(--t-body)/1.65 var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px}
button{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.skip{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}
.skip:focus{position:fixed;left:var(--s4);top:var(--s4);width:auto;height:auto;clip-path:none;
  background:var(--surface);padding:10px 16px;border-radius:var(--r-btn);z-index:100;box-shadow:var(--shadow-2)}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding-left:var(--gut);padding-right:var(--gut)}

/* ------------------------------------------------------------------ nav */
.nav{position:sticky;top:0;z-index:50;height:var(--nav-h);
  background:rgba(247,246,242,.9);backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:var(--s5)}
.brand{display:flex;align-items:center;gap:var(--s2);font-weight:650;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;
  background:var(--brand);color:#fff;font-family:var(--font-serif);font-size:16px}
.brand-name{font-size:16px}
.brand-latin{color:var(--muted);font-weight:500;font-size:13px;letter-spacing:.02em}
.nav-links{display:flex;gap:var(--s5);margin-left:auto;font-size:var(--t-small)}
.nav-links a{color:var(--ink-2)}
.nav-links a:hover{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:var(--s3)}
.privacy-badge{font-size:var(--t-label);color:var(--brand-ink);background:var(--brand-soft);
  border:1px solid #cfe2d9;padding:5px 10px;border-radius:var(--r-pill);white-space:nowrap}
.lang-select{appearance:none;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-2);
  border-radius:var(--r-btn);padding:7px 28px 7px 10px;font-size:var(--t-label);cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,#8a8f96 50%),linear-gradient(135deg,#8a8f96 50%,transparent 50%);
  background-position:calc(100% - 15px) 13px,calc(100% - 10px) 13px;background-size:5px 5px;background-repeat:no-repeat}
@media(max-width:1080px){ .nav-links{display:none} }
@media(max-width:720px){ .privacy-badge{display:none} .brand-latin{display:none} }

/* ------------------------------------------------------------------ hero */
.hero{padding-top:var(--s8);padding-bottom:var(--s8)}
.eyebrow{margin:0 0 var(--s4);font-size:var(--t-label);font-weight:500;color:var(--muted);letter-spacing:.04em}
.hero h1{margin:0;font-size:var(--t-h1);line-height:1.1;letter-spacing:-.03em;font-weight:640;max-width:20ch;text-wrap:balance}
.hero .lead{margin:var(--s5) 0 0;max-width:46ch;font-size:var(--t-lead);line-height:1.6;color:var(--ink-2)}
.hero .lead .muted{color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--s3);margin-top:var(--s6)}
.hero-fact{margin:var(--s5) 0 0;font-size:var(--t-small);color:var(--muted)}
@media(max-width:780px){
  .hero{padding-top:var(--s6);padding-bottom:var(--s6)}
  .hero h1{max-width:none}
  .hero .lead{font-size:17px}
}

/* ------------------------------------------------------------------ buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 18px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:var(--t-small);font-weight:600;letter-spacing:-.005em;cursor:pointer;
  transition:transform .16s ease,background-color .16s ease,border-color .16s ease,box-shadow .16s ease}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.995)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 1px rgba(20,24,28,.12)}
.btn-primary:hover:not(:disabled){background:var(--brand-ink)}
.btn-secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}
.btn-secondary:hover:not(:disabled){border-color:var(--ink-2)}
.btn-ghost{background:transparent;color:var(--ink-2)}
.btn-ghost:hover:not(:disabled){background:var(--surface);color:var(--ink)}
.btn-sm{min-height:36px;padding:7px 14px;font-size:var(--t-label)}
.btn-block{display:flex;width:100%;margin-bottom:var(--s2)}
.btn-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--s2)}
.link-btn{border:0;background:none;color:var(--brand);font-size:var(--t-small);font-weight:600;cursor:pointer;padding:0}
.link-btn:hover{text-decoration:underline;text-underline-offset:3px}

/* ------------------------------------------------------------------ workbench */
.workbench{padding-bottom:var(--s8)}
.workspace{display:grid;grid-template-columns:1fr 1.12fr 264px;gap:var(--s5);align-items:start}
@media(max-width:1180px){ .workspace{grid-template-columns:1fr 1fr} .panel-export{grid-column:1/-1;position:static} }
@media(max-width:820px){ .workspace{grid-template-columns:1fr} .panel-export{grid-column:auto} }

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:var(--s5);transition:box-shadow .2s ease}
.panel:hover{box-shadow:var(--shadow-2)}
.panel-title{margin:0 0 var(--s4);font-size:var(--t-label);font-weight:600;color:var(--muted);
  display:flex;align-items:center;gap:10px;letter-spacing:.02em}
.panel-title .step{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:7px;
  background:var(--brand-soft);color:var(--brand-ink);font-size:12px;font-weight:650}
.panel-title .source-badge{margin-left:auto}

.dropzone{border:1.5px dashed var(--line-strong);border-radius:var(--r-card);padding:var(--s6) var(--s4);
  text-align:center;cursor:pointer;transition:border-color .18s ease,background-color .18s ease}
.dropzone:hover,.dropzone:focus-visible,.dropzone.is-over{border-color:var(--brand);background:var(--brand-soft);outline:none}
.dz-icon{font-size:20px;color:var(--brand);line-height:1}
.dz-main{margin:var(--s2) 0 var(--s1);font-weight:600}
.dz-sub{margin:0;color:var(--muted);font-size:var(--t-small)}
.file-meta{display:flex;justify-content:space-between;align-items:center;gap:var(--s3);
  margin-top:var(--s3);background:var(--brand-soft);border:1px solid #cfe2d9;border-radius:var(--r-btn);
  padding:8px 12px;font-size:var(--t-small);word-break:break-all}

.paste-block{margin-top:var(--s5)}
.field-label{display:block;font-size:var(--t-label);color:var(--muted);margin-bottom:var(--s2);font-weight:500}
.paste-area,.input,.select{width:100%;border:1px solid var(--line-strong);border-radius:var(--r-btn);
  padding:11px 13px;font:var(--t-body)/1.6 var(--font);background:var(--surface-2);color:var(--ink);resize:vertical}
.paste-area{font-family:var(--mono);font-size:13.5px;min-height:120px}
.paste-area:focus,.input:focus,.select:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand);background:var(--surface)}
.row-actions{display:flex;align-items:center;gap:var(--s3);margin-top:var(--s4);flex-wrap:wrap}
.hint{color:var(--muted);font-size:var(--t-label);margin:var(--s2) 0 0;line-height:1.55}

.opt-row{display:flex;gap:8px;align-items:flex-start;font-size:var(--t-small);color:var(--ink-2);
  margin:var(--s2) 0;cursor:pointer;line-height:1.5}
.opt-row input{margin-top:3px;accent-color:var(--brand);width:15px;height:15px}

.tabs{display:flex;gap:var(--s1);border-bottom:1px solid var(--line);margin-bottom:var(--s4)}
.tab{border:0;background:none;padding:9px 12px;font-size:var(--t-small);font-weight:600;color:var(--muted);
  cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s ease,border-color .15s ease}
.tab:hover{color:var(--ink)}
.tab.is-active{color:var(--brand-ink);border-bottom-color:var(--brand)}
.tab-body{display:none}
.tab-body.is-active{display:block}

.summary{font-size:var(--t-small);color:var(--ink-2);margin-bottom:var(--s3)}
.findings{list-style:none;margin:0;padding:0;max-height:44vh;overflow:auto}
.finding{display:flex;gap:var(--s3);padding:10px 2px;border-bottom:1px solid var(--line);align-items:flex-start}
.finding:last-child{border-bottom:0}
.finding input{margin-top:4px;accent-color:var(--brand)}
.finding-body{flex:1;min-width:0}
.finding-rule{font-weight:600;font-size:var(--t-small)}
.finding-desc{color:var(--muted);font-size:var(--t-label);margin-top:2px}
.finding-sample{font-family:var(--mono);font-size:12px;color:#7a5a12;background:#f8f1df;
  border-radius:4px;padding:1px 6px;word-break:break-all}
.finding-count{font-size:var(--t-label);color:var(--muted);white-space:nowrap}
.kinds{display:flex;flex-wrap:wrap;gap:6px;margin-top:var(--s2)}
.kind-chip{background:var(--brand-soft);border:1px solid #cfe2d9;border-radius:var(--r-pill);
  padding:2px 9px;font-size:12px;color:var(--brand-ink)}

.cleaned-pre{white-space:pre-wrap;word-break:break-word;background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--r-btn);padding:var(--s4);
  max-height:50vh;overflow:auto;font-family:var(--font-serif);font-size:15px;line-height:1.9;margin:0}

.template-block{margin-bottom:var(--s4)}
.layout-stats{font-size:var(--t-small);color:var(--ink-2);background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--r-btn);padding:var(--s3);
  margin-bottom:var(--s3);max-height:38vh;overflow:auto;white-space:pre-wrap}

.panel-export{position:sticky;top:calc(var(--nav-h) + var(--s4))}
.quota{border-top:1px solid var(--line);margin-top:var(--s4);padding-top:var(--s3)}
.quota-line{display:flex;justify-content:space-between;font-size:var(--t-small);color:var(--ink-2)}
.quota-line strong{color:var(--brand-ink);font-size:15px}
.source-badge{font-size:12px;background:#eef2fb;color:#2f3f77;border:1px solid #d3dcf5;
  border-radius:var(--r-pill);padding:2px 9px;font-weight:500}

/* ------------------------------------------------------------------ pricing */
.pricing{padding-top:var(--s9);padding-bottom:var(--s9);text-align:center}
.pricing-title{margin:0 0 var(--s2);font-size:var(--t-h2);letter-spacing:-.02em}
.pricing-sub{margin:0 auto var(--s6);color:var(--muted);font-size:var(--t-body);max-width:52ch}
.pricing-cards{display:grid;grid-template-columns:1fr 1fr;gap:var(--s5);text-align:left;max-width:900px;margin:0 auto}
@media(max-width:780px){ .pricing-cards{grid-template-columns:1fr} .pricing{padding-top:var(--s7);padding-bottom:var(--s7)} }
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:var(--s5);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.price-card-pro{border-color:var(--brand);box-shadow:0 10px 34px rgba(31,92,74,.12)}
.price-card h3{margin:0 0 var(--s2);font-size:var(--t-small);font-weight:600;color:var(--muted);letter-spacing:.02em}
.price-amount{font-size:34px;font-weight:640;letter-spacing:-.02em;margin-bottom:var(--s3)}
.price-amount span{font-size:var(--t-small);font-weight:500;color:var(--muted)}
.price-card ul{margin:0 0 var(--s4);padding-left:18px;font-size:var(--t-small);color:var(--ink-2);line-height:1.75}
.pricing-note{color:var(--muted);font-size:var(--t-label);margin-top:var(--s5)}

/* ------------------------------------------------------------------ footer */
.footer{border-top:1px solid var(--line);background:var(--surface)}
.footer-inner{display:flex;flex-wrap:wrap;gap:var(--s2);justify-content:center;align-items:center;
  color:var(--muted);font-size:var(--t-small);padding-top:var(--s5);padding-bottom:var(--s5);text-align:center}
.footer a{color:var(--ink-2)}
.dot{opacity:.45}

/* ------------------------------------------------------------------ dialog */
.dialog{border:0;border-radius:16px;padding:0;box-shadow:0 32px 80px rgba(20,24,28,.26);max-width:420px;width:92vw}
.dialog::backdrop{background:rgba(20,24,28,.44)}
.dialog-body{padding:var(--s5);display:flex;flex-direction:column;gap:var(--s2)}
.dialog-body h3{margin:0 0 var(--s1);font-size:19px;letter-spacing:-.01em}

/* ------------------------------------------------------------------ motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* diff */
.diff-legend{margin:0 0 var(--s3)}
.diff-pre{white-space:pre-wrap;word-break:break-word;background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--r-btn);padding:var(--s4);max-height:50vh;overflow:auto;margin:0;
  font-family:var(--font-serif);font-size:15px;line-height:1.9}
.diff-pre del{background:#fdecea;color:#a5342a;text-decoration:line-through;text-decoration-thickness:1px}
.diff-pre ins{background:#e6f6ec;color:#146c43;text-decoration:none;border-bottom:1px solid #9fd3b8}
/* preview（docx 版式近似） */
.preview-bar{display:flex;gap:var(--s4);align-items:center;flex-wrap:wrap;margin-bottom:var(--s2)}
.preview-host{display:flex;flex-direction:column;align-items:center;gap:var(--s4);padding:var(--s3);
  background:#eeeae1;border:1px solid var(--line);border-radius:var(--r-btn);max-height:62vh;overflow:auto}
.paper-page{background:#fff;box-shadow:0 2px 12px rgba(20,24,28,.14);box-sizing:border-box;overflow:hidden;flex:none}
.paper-page p{margin:0;color:#111;overflow-wrap:break-word}

/* diff：删除在上、替换在下，纵向堆叠 */
.chg{display:inline-flex;flex-direction:column;vertical-align:top;line-height:1.45;
  margin:0 2px;padding:0 3px;background:#fbf7ee;border-radius:4px}
.chg del{display:block;background:#fdecea;color:#a5342a;text-decoration:line-through;text-decoration-thickness:1px}
.chg ins{display:block;background:#e6f6ec;color:#146c43;text-decoration:none}
/* diff：上下两块（原文 / 清理后） */
.diff-panes{display:flex;flex-direction:column;gap:var(--s3);max-height:52vh;overflow:auto}
.diff-pane{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-btn);overflow:hidden}
.diff-title{margin:0;padding:6px 12px;font-size:12px;font-weight:600;color:var(--muted);
  background:#f1eee6;border-bottom:1px solid var(--line)}
.diff-pane .diff-pre{background:transparent;border:0;border-radius:0;max-height:none;margin:0;
  padding:var(--s3) var(--s4);font-size:15px;line-height:1.9}
.diff-pre del{background:#fdecea;color:#a5342a;text-decoration:line-through;text-decoration-thickness:1px;border-radius:2px}
.diff-pre ins{background:#e6f6ec;color:#146c43;text-decoration:none;border-radius:2px}
/* diff：逐段两行（原文 / 绿色新词） */
.diff-legend2{font-size:12px;color:var(--muted);margin-bottom:var(--s2)}
.diff-line{white-space:pre-wrap;word-break:break-word;font-family:var(--font-serif);
  font-size:15px;line-height:1.85;padding:0 2px}
.diff-line-ins{line-height:1.6;margin:-2px 0 6px}
.diff-line-ins .ghost{visibility:hidden}
.diff-blank{height:10px}
.diff-line del{background:#fdecea;color:#a5342a;text-decoration:line-through;text-decoration-thickness:1px;border-radius:2px}
.diff-line ins{background:#e6f6ec;color:#146c43;text-decoration:none;border-radius:2px}
#diffPre{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:var(--s3) var(--s4);max-height:52vh;overflow:auto}
.ins-label{font-size:12px;color:var(--muted);margin-right:6px}
.diff-line-ins{line-height:1.7;margin:2px 0 8px;padding-left:2px}

.ctx{color:#b3ada0}

/* ================= 新外壳：左稿右栏 + 阶段条 ================= */
.nav-inner{justify-content:flex-start}
.steps{display:flex;align-items:center;gap:4px;margin-left:18px}
.step{border:0;background:none;display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);cursor:pointer;padding:5px 7px;border-radius:8px}
.step em{width:18px;height:18px;border-radius:50%;background:#eceae3;color:var(--muted);display:grid;place-items:center;font-size:10.5px;font-style:normal;font-weight:600}
.step.is-active{color:var(--brand-ink);font-weight:600}
.step.is-active em{background:var(--brand);color:#fff}
.step.done em{background:var(--brand-soft);color:var(--brand-ink)}
.step:hover{background:rgba(0,0,0,.03)}
.step-line{width:12px;height:1px;background:var(--line2)}
@media(max-width:1120px){ .steps{display:none} }

.app{display:grid;grid-template-columns:minmax(0,1fr) 376px;gap:22px;padding-top:14px;padding-bottom:56px;align-items:start}
@media(max-width:1180px){ .app{grid-template-columns:1fr} }
.canvas{background:#ecebe5;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:660px;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center}
.rail{position:sticky;top:calc(var(--nav-h) + 14px);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;min-height:620px}
@media(max-width:1180px){ .rail{position:static;min-height:0} }

.seg{display:flex;background:#f1efe8;border-radius:9px;padding:3px;gap:2px;margin-bottom:14px}
.seg .tab{flex:1;border:0;background:none;padding:7px 4px;border-radius:7px;font-size:12.5px;color:var(--muted);cursor:pointer}
.seg .tab.is-active{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.rail-title{font-size:13px;color:var(--muted);font-weight:600;margin:0 0 10px;display:flex;align-items:center;gap:8px}
.rail-title .source-badge{margin-left:auto}
.tab-body .summary{font-size:12.5px;margin-bottom:10px}
.tab-body .findings{max-height:44vh;overflow:auto}
.tab-body .layout-stats{max-height:30vh}

.welcome{max-width:520px;width:100%;margin:auto;text-align:center;padding:20px 8px}
.welcome .eyebrow{margin-bottom:8px}
.welcome h1{font-size:32px;line-height:1.2;letter-spacing:-.02em;margin:0 0 10px}
.welcome-sub{margin:0 auto 22px;max-width:44ch;color:var(--ink-2);font-size:15px}
.welcome .dropzone{padding:30px 20px;background:var(--surface)}
.welcome .dz-icon{display:block;font-size:22px;margin-bottom:6px}
.welcome-paste{text-align:left;margin-top:18px}
.welcome-paste .paste-area{min-height:96px}
.welcome-paste .row-actions{margin-top:10px}

.preview-host{width:100%;display:flex;flex-direction:column;align-items:center;gap:18px;padding:2px 0;background:transparent;border:0;max-height:none}
.preview-host .paper-page{box-shadow:0 6px 24px rgba(20,24,28,.16)}
.diff-panes{width:100%;max-width:640px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;max-height:70vh}
.cleaned-pre{width:100%;max-width:640px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;max-height:70vh}
.file-meta{width:100%;max-width:620px;margin:0}
.canvas #fileMeta{order:-1;width:100%;max-width:620px}


/* ===== 三栏 + 目录 ===== */
.app{grid-template-columns:200px minmax(0,1fr) 360px}
@media(max-width:1320px){ .app{grid-template-columns:180px minmax(0,1fr) 340px} }
@media(max-width:1180px){ .app{grid-template-columns:1fr} .outline{display:none} }
.outline{position:sticky;top:calc(var(--nav-h) + 14px);max-height:calc(100vh - var(--nav-h) - 40px);overflow:auto;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px}
.outline .rail-title{margin-bottom:10px}
.outline-list{list-style:none;margin:0;padding:0}
.outline-list li{margin:0}
.outline-item{display:block;width:100%;text-align:left;border:0;background:none;padding:5px 6px;border-radius:7px;
  font-size:12.5px;color:var(--ink-2);cursor:pointer;line-height:1.45;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.outline-item:hover{background:#f2f0ea;color:var(--ink)}
.outline-item[data-level="0"]{font-weight:600;color:var(--ink)}
.outline-item[data-level="1"]{padding-left:16px}
.outline-item[data-level="2"]{padding-left:28px;color:var(--muted)}
.outline-item[data-level="3"]{padding-left:40px;color:var(--muted)}

/* welcome 卡片（C 方案） */
.welcome{max-width:560px;padding:0}
.welcome-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:38px 40px;text-align:center;
  box-shadow:0 14px 44px rgba(20,24,28,.08)}
.welcome-card .eyebrow{margin-bottom:10px}
.welcome-card h1{font-size:30px;line-height:1.25;letter-spacing:-.02em;margin:0 0 10px}
.welcome-sub{margin:0 auto 22px;max-width:40ch;color:var(--ink-2);font-size:14.5px;line-height:1.7}
.welcome .dropzone{padding:30px 20px;background:#fbfaf7}
.welcome-alt{margin:16px 0 0;font-size:13px;color:var(--muted)}
.welcome-alt a{color:var(--brand);font-weight:500}
.welcome-paste{text-align:left;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.welcome-paste .paste-area{min-height:110px}
.welcome-paste .row-actions{margin-top:10px}
@media(max-width:640px){ .welcome-card{padding:26px 20px} .welcome-card h1{font-size:24px} }

/* 数据可视化：统计数字 / 芯片 */
.stat-row{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;margin:2px 0 10px}
.stat-num{font-size:26px;font-weight:650;letter-spacing:-.02em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.stat-unit{font-size:12px;color:var(--muted)}
.stat-sep{width:1px;height:14px;background:var(--line2);margin:0 6px;align-self:center}
.ok-chip{font-size:11.5px;padding:2px 8px;border-radius:999px;background:var(--brand-soft);color:var(--brand-ink);border:1px solid #cfe0d8}
.ok-chip.warn{background:#fbf1df;border-color:#ecd9b6;color:#8a611c}
.chip-row{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}
.fmt-chips{display:flex;gap:6px;justify-content:center;margin-top:10px}
.fmt{font-size:11px;color:var(--muted);border:1px solid var(--line2);border-radius:6px;padding:2px 7px;background:var(--surface)}
.tabs .tab svg{width:13px;height:13px;margin-right:4px;vertical-align:-2px;opacity:.75}
.tabs .tab.is-active svg{opacity:1}
.welcome .dropzone{padding:26px 20px}
.welcome .dz-icon{display:block;margin:0 auto 8px;font-size:20px}
/* ===== 图标 & 动效 ===== */
.ico-lock{width:12px;height:12px;margin-right:5px;flex:none}
.privacy-badge{display:inline-flex;align-items:center}
.icon-legend{display:flex;align-items:center;gap:10px;padding:6px 0 10px}
.lg{width:28px;height:24px;border-radius:7px;display:grid;place-items:center;border:1px solid}
.lg svg{width:15px;height:15px}
.lg-del{color:#a5342a;background:#fdecea;border-color:#f0c9c3}
.lg-ins{color:#146c43;background:#e6f6ec;border-color:#bfe3cf}
.lg-arrow{display:grid;place-items:center;color:var(--muted)}
.lg-arrow svg{width:15px;height:15px}

.seg{position:relative}
.seg .tab{position:relative;z-index:1;background:transparent}
.seg .tab.is-active{background:transparent;box-shadow:none}
.seg-ink{position:absolute;top:3px;left:0;height:calc(100% - 6px);background:#fff;border-radius:7px;
  box-shadow:0 1px 2px rgba(0,0,0,.08);transition:transform .32s cubic-bezier(.4,0,.6,1),width .32s cubic-bezier(.4,0,.6,1);z-index:0}

.btn,.seg .tab,.outline-item{position:relative;overflow:hidden}
.ripple{position:absolute;border-radius:50%;background:rgba(20,24,28,.12);transform:scale(0);
  animation:ripple .5s ease-out forwards;pointer-events:none;z-index:0}
@keyframes ripple{to{transform:scale(1);opacity:0}}

@keyframes pageIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.paper-page{animation:pageIn .34s cubic-bezier(.4,0,.6,1) both}
.tab-body.is-active{animation:pageIn .26s ease both}

.outline-item.is-current{background:#eef2ee;color:var(--brand-ink);font-weight:600}
.outline-item.is-current::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:2px;border-radius:2px;background:var(--brand)}

.dropzone{transition:border-color .2s,background .2s,box-shadow .2s}
.dropzone:hover{box-shadow:0 10px 28px rgba(31,92,74,.10)}
.dropzone.is-over{border-style:solid}

@media (prefers-reduced-motion:reduce){ .paper-page,.tab-body.is-active{animation:none} }
/* ===== 导航防换行 ===== */
.nav-inner{flex-wrap:nowrap;gap:14px;min-width:0}
.brand{flex:none;white-space:nowrap}
.brand-name,.brand-latin{white-space:nowrap}
.steps{flex:none;white-space:nowrap}
.nav-actions{flex:none;white-space:nowrap;margin-left:auto;gap:8px}
.privacy-badge{white-space:nowrap}
.btn{white-space:nowrap}
.lang-select{flex:none}
@media(max-width:1500px){ .brand-latin{display:none} }
@media(max-width:900px){ .privacy-badge{display:none} }

/* ===== 设置弹窗 ===== */
.dialog-settings{max-width:520px}
.dialog-head{display:flex;align-items:center;justify-content:space-between}
.icon-btn{border:0;background:none;display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  color:var(--ink-2);padding:6px 8px;border-radius:8px;font-size:12.5px}
.icon-btn:hover{background:#f1efe9;color:var(--ink)}
.icon-btn svg{width:15px;height:15px}
.rule-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:4px 0 0}
.rule-row{display:flex;justify-content:space-between;gap:12px;padding:8px 12px;font-size:12.5px;border-bottom:1px solid var(--line)}
.rule-row:last-child{border-bottom:0}
.rule-row span{color:var(--muted)}
.rule-row b{font-weight:600}
.settings-sub{font-size:12px;color:var(--muted);margin:12px 0 2px;font-weight:600}
.template-current{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:8px 10px;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;margin-bottom:10px}
.template-name{font-size:13px;font-weight:600}

/* ===== 配额电池 ===== */
.quota{border-top:1px solid var(--line);margin-top:var(--s4);padding-top:var(--s3)}
.quota-head{display:flex;align-items:baseline;justify-content:space-between}
.quota-label{font-size:12.5px;color:var(--muted)}
.quota-num{font-size:28px;font-weight:650;letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.battery{display:flex;gap:4px;margin:10px 0 6px}
.battery i{flex:1;height:8px;border-radius:3px;background:#e7e4dc;transition:background .3s ease}
.battery i.is-on{background:var(--brand)}
.battery i.is-low{background:#b8862b}

/* ===== 对比样例 ===== */
.diff-sample{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:14px;padding:2px 0 8px}
.diff-sample del{background:#fdecea;color:#a5342a;text-decoration:line-through;padding:2px 7px;border-radius:4px}
.diff-sample ins{background:#e6f6ec;color:#146c43;text-decoration:none;padding:2px 7px;border-radius:4px}
.sample-arrow{color:var(--muted)}
/* ===== 内嵌着色对比（方案 A） ===== */
#diffPre{width:100%;max-width:640px;background:#fff;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;max-height:70vh;display:flex;flex-direction:column}
.idiff-head{display:flex;align-items:center;gap:12px;padding:9px 14px;background:#fbfaf7;border-bottom:1px solid var(--line)}
.idiff-stats{display:flex;align-items:center;gap:14px}
.idiff-total{margin-left:auto;font-size:12px;color:var(--muted)}
.idiff-body{padding:20px 24px;overflow:auto;font-family:var(--font-serif);font-size:14px;line-height:2.05}
.idiff-p{margin:0 0 8px;text-indent:2em}
.idiff-blank{height:8px}
del.d{background:#fdecea;color:#a5342a;text-decoration:line-through;text-decoration-thickness:1px;padding:0 2px;border-radius:2px}
ins.i{background:#e6f6ec;color:#146c43;text-decoration:none;padding:0 2px;border-radius:2px;box-shadow:inset 0 -1px 0 #a9d8bd}
.mod{background:#fbf1df;border-radius:3px;padding:1px 4px 2px;box-shadow:inset 0 -1px 0 #dfc48f}
.mod s{color:#9a7a3c;text-decoration:line-through;text-decoration-thickness:1px}
.mod b{color:#6b4a0d;font-weight:600}
.mk{font-family:var(--font);font-size:9px;vertical-align:super;border-radius:3px;padding:0 3px;margin-left:1px}
.mk.del{background:#a5342a;color:#fff}
.mk.ins{background:#23905c;color:#fff}
.mk.mod{background:#c08a22;color:#fff}
.idiff-foot{display:flex;align-items:center;gap:12px;padding:9px 14px;background:#1f2422;color:#e9efec;font-size:12.5px}
.idiff-foot b{color:#fff}
.idiff-foot .spacer{flex:1}
.idiff-foot .btn{background:rgba(255,255,255,.14);border:0;color:#fff}

/* 统计点 */
.stat{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--ink2)}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot.del{background:#a5342a}.dot.mod{background:#c08a22}.dot.ins{background:#23905c}
.stat b{font-variant-numeric:tabular-nums}

/* 右侧对比统计 */
.diff-stats-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:8px 0 2px}
.diff-total{font-size:12px;color:var(--muted)}

/* ===== 检查页：规则卡 ===== */
.findings{list-style:none;margin:0;padding:0;max-height:46vh;overflow:auto;display:flex;flex-direction:column;gap:8px}
.finding-card{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}
.fc-head{display:flex;align-items:center;gap:8px}
.fc-rule{font-size:13px;font-weight:600}
.fc-count{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.fc-head .switch{margin-left:auto}
.switch{position:relative;width:30px;height:17px;display:inline-block;flex:none}
.switch input{position:absolute;inset:0;opacity:0;cursor:pointer;margin:0}
.switch::before{content:"";position:absolute;inset:0;border-radius:99px;background:#dcd8cf;transition:background .2s}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:13px;height:13px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 2px rgba(0,0,0,.18)}
.switch input:checked + *{}
.switch:has(input:checked)::before{background:var(--brand)}
.switch:has(input:checked)::after{transform:translateX(13px)}
.fc-desc{font-size:11.5px;color:var(--muted);margin-top:3px}
.fc-sample{margin-top:7px;font-family:var(--font-serif);font-size:12.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.fc-sample del{background:#fdecea;color:#a5342a;text-decoration:line-through;padding:1px 5px;border-radius:3px}
.fc-sample ins{background:#e6f6ec;color:#146c43;text-decoration:none;padding:1px 5px;border-radius:3px}
.mod .mod-arrow{font-style:normal;color:#b08b4a;margin:0 2px;font-size:11px}
.mod s{opacity:.85}

/* 空白改动折叠 */
.ws-chip{display:inline-block;font-family:var(--font);font-size:10.5px;line-height:1.5;padding:0 5px;border-radius:4px;
  background:#f1efe9;border:1px solid var(--line2);color:#6b6f76;cursor:pointer;vertical-align:1px;margin:0 1px}
.ws-chip:hover{background:#e8e4da;color:#3f444b}
.ws-detail{display:inline-block;font-family:var(--mono);font-size:10.5px;color:#8a611c;background:#fbf1df;border-radius:4px;padding:0 5px;margin-left:4px}
.dot.ws{background:#8a8f96}

/* 设置：可编辑规则网格 */
.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;margin:6px 0 4px}
.rule-grid label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.rule-grid label span:first-child{flex:1;white-space:nowrap}
.rule-grid input,.rule-grid select{width:72px;border:1px solid var(--line2);border-radius:7px;padding:5px 6px;font-size:12px;background:var(--surface-2);color:var(--ink)}
.rule-grid input:focus,.rule-grid select:focus{outline:2px solid var(--brand);outline-offset:1px;background:#fff}
.mini-select{width:64px!important}
#ovHeaderText{margin-top:2px}
#ovHeaderText:disabled{opacity:.5}

/* 预览页眉页脚 */
.paper-page{position:relative}
.pp-header{position:absolute;left:0;right:0;top:8px;text-align:center;font-size:9px;color:#777;font-family:var(--font)}
.pp-footer{position:absolute;left:0;right:0;bottom:10px;text-align:center;font-size:9.5px;color:#555;font-family:var(--font)}

/* ================= 中性化改造 ================= */
:root{
  --brand:#17191d;
  --brand-ink:#0f1114;
  --brand-soft:#f0eee8;
  --line-strong:#d5d1c7;
  --shadow-1:0 1px 2px rgba(16,18,22,.06);
  --shadow-2:0 4px 16px rgba(16,18,22,.08);
  --r-card:12px;
  --r-btn:8px;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:14px;
}

/* 去渐变 / 去发光 / 去毛玻璃 */
.nav{background:var(--paper);backdrop-filter:none;box-shadow:none}
.welcome-card,.rail,.outline,.canvas,.paper-page,.dropzone,.dialog,.finding-card,#diffPre,.preview-host{
  box-shadow:none;border:1px solid var(--line);border-radius:var(--r-lg)}
.welcome-card{background:var(--surface)}
.btn,.btn-primary,.btn-secondary,.btn-ghost,.btn-sm,.icon-btn,.lang-select,.input,.select,.mini-select,.rule-grid input{
  border-radius:var(--r-btn);box-shadow:none}
.btn-primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-primary:hover{background:#000;border-color:#000}
.btn-primary:disabled{background:#c9c5ba;border-color:#c9c5ba;color:#fff}
.brand-mark{background:var(--ink);border-radius:var(--r-sm);box-shadow:none}
.privacy-badge{background:none;border:0;padding:0;color:var(--muted);border-radius:0;font-size:var(--t-small)}
.seg{border-radius:var(--r-md);background:#ebe8e1}
.seg-ink{background:var(--surface);border-radius:var(--r-sm);box-shadow:none;border:1px solid var(--line)}
.seg .tab{border-radius:var(--r-sm)}
.dropzone{border-radius:var(--r-md);background:var(--surface);border:1px dashed var(--line-strong)}
.dropzone:hover{box-shadow:none;border-color:var(--ink-2)}
.kind-chip,.ok-chip,.fmt,.ws-chip,.source-badge{border-radius:var(--r-sm)}
.battery i{border-radius:2px}
.paper-page{border-radius:var(--r-sm)}
textarea,.select,.input{border-radius:var(--r-btn)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.toast,.dialog{box-shadow:var(--shadow-2)}

/* 语言选择：SVG 箭头 */
.lang-select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7078' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-position:calc(100% - 9px) center;background-size:12px;background-repeat:no-repeat;padding-right:26px}

/* 图标统一：15px / 1.5 线宽 */
.icon-btn svg,.tabs .tab svg,.ico-lock,.dz-icon svg,.privacy-badge svg{width:15px;height:15px;stroke-width:1.5}
.dz-icon{display:block;margin:0 auto var(--s2);color:var(--muted);font-size:0}

/* 左对齐：同类元素左边缘 */
.rule-grid label{display:flex;align-items:center;justify-content:flex-start;gap:var(--s2)}
.rule-grid label>span:first-child{flex:none;width:64px;text-align:left;color:var(--muted)}
.rule-grid input,.rule-grid select{width:64px;text-align:left}
.welcome-card{text-align:left}
.welcome-card h1,.welcome-card .eyebrow,.welcome-sub{text-align:left}
.welcome .dropzone{text-align:left}
.welcome .dz-main,.welcome .dz-sub{text-align:left}
.welcome .fmt-chips{justify-content:flex-start}
.welcome-alt{text-align:left}
.fc-sample,.idiff-stats,.diff-stats-row{justify-content:flex-start}

/* ================= 加载体验 ================= */
.loadbar{position:fixed;left:0;right:0;top:var(--nav-h);height:2px;z-index:60;background:transparent}
.loadbar i{display:block;height:100%;width:0;background:var(--ink);opacity:.9}
.loadbar.is-running i{animation:loadTo70 1.1s cubic-bezier(.2,.6,.2,1) forwards}
.loadbar.is-done i{width:100%;transition:width .18s linear}
@keyframes loadTo70{0%{width:0}55%{width:46%}100%{width:72%}}

.skeleton{width:100%}
.skel-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--s5);display:flex;flex-direction:column;gap:var(--s3)}
.skel{position:relative;overflow:hidden;background:#edeae2;border-radius:var(--r-sm)}
.skel-title{height:22px;width:46%}
.skel-line{height:12px;width:100%}
.skel-line.short{width:68%}
.skel::after{content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.8),transparent);animation:sweep 1.25s ease-in-out infinite}
@keyframes sweep{100%{transform:translateX(100%)}}
@keyframes unblur{from{opacity:.45;filter:blur(6px);transform:translateY(2px)}to{opacity:1;filter:none;transform:none}}
#canvas.reveal>*{animation:unblur .46s cubic-bezier(.2,.6,.2,1) both}
@media(prefers-reduced-motion:reduce){ .skel::after,.loadbar i,#canvas.reveal>*{animation:none!important} }

/* ===== 目录折叠 ===== */
.app{grid-template-columns:200px minmax(0,1fr) 360px}
.app.outline-collapsed{grid-template-columns:44px minmax(0,1fr) 360px}
.outline{padding:0;display:flex;flex-direction:column;overflow:hidden}
.outline-head{display:flex;align-items:center;justify-content:space-between;padding:10px 10px 8px}
.outline-head .rail-title{margin:0}
.outline-body{padding:0 10px 12px;overflow:auto;min-height:0}
.outline.is-collapsed .outline-body{display:none}
.outline.is-collapsed .outline-head{justify-content:center;padding:8px 4px}
.outline.is-collapsed .rail-title{display:none}
.outline-head .icon-btn{padding:4px 5px}
.outline-head .icon-btn svg{transition:transform .22s cubic-bezier(.2,.6,.2,1)}
.outline-head .icon-btn.is-open svg{transform:rotate(180deg)}

/* ===== 画布模式标注 ===== */
.canvas-mode{align-self:flex-start;font-size:11.5px;color:var(--muted);letter-spacing:.05em;margin:0 0 2px 2px}

/* ===== 原稿保真渲染 ===== */
.orig-page{width:100%;max-width:660px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:36px 40px;color:#141414;overflow:auto;max-height:70vh}
.orig-page p{margin:0}
.orig-table{border:1px solid var(--line2);border-radius:4px;padding:4px 8px;margin:8px 0;background:#fcfbf8}
#diffPre .idiff-body p{margin:0}

@media(max-width:1180px){ .app.outline-collapsed{grid-template-columns:1fr} }
/* ===== 开关 & 规范标签 ===== */
.opt-row.toggle{display:flex;align-items:center;gap:10px;justify-content:space-between;cursor:pointer}
.opt-label{flex:1;font-size:var(--t-small);color:var(--ink-2);line-height:1.45}
.toggle input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.toggle-track{width:34px;height:20px;border-radius:99px;background:#dcd8cf;position:relative;transition:background .22s ease;flex:none}
.toggle-thumb{position:absolute;left:2px;top:2px;width:16px;height:16px;border-radius:50%;background:#fff;
  box-shadow:0 1px 2px rgba(0,0,0,.22);transition:transform .22s cubic-bezier(.2,.6,.2,1)}
.toggle input:checked + .toggle-track{background:var(--ink)}
.toggle input:checked + .toggle-track .toggle-thumb{transform:translateX(14px)}
.toggle input:focus-visible + .toggle-track{outline:2px solid var(--ink);outline-offset:2px}
.toggle:hover .toggle-track{background:#cfcabe}
.toggle:hover input:checked + .toggle-track{background:#000}
.spec-tag{font-style:normal;font-size:10px;line-height:16px;color:var(--muted);border:1px solid var(--line2);
  border-radius:4px;padding:0 4px;margin-left:2px;white-space:nowrap}
.spec-note{margin:6px 0 2px;line-height:1.55}
.rule-grid label>span:first-child{width:auto;flex:0 0 auto;min-width:74px}
.rule-grid{grid-template-columns:1fr 1fr;gap:8px 14px}
/* ===== 改动统计芯片（删除/修改/补充） ===== */
.chg-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:2px 0 12px}
.chg{display:flex;flex-direction:row;align-items:center;gap:7px;padding:7px 9px;min-height:32px;border-radius:8px;
  border:1px solid var(--line);background:var(--surface);font-size:12px;line-height:1}
.chg-ico{display:inline-flex;width:16px;height:16px;align-items:center;justify-content:center;border-radius:5px}
.chg-ico svg{width:12px;height:12px}
.chg-label{color:var(--ink-2)}
.chg-num{font-variant-numeric:tabular-nums;font-size:13px;font-weight:650;color:var(--ink)}
.chg-del .chg-ico{background:#fdecea;color:#a5342a}
.chg-mod .chg-ico{background:#fbf1df;color:#8a611c}
.chg-ins .chg-ico{background:#e6f6ec;color:#146c43}
.chg-ws .chg-ico{background:#f1efe9;color:#6b7078}
.chg-del{border-color:#f0cdc8}
.chg-mod{border-color:#ecd9b6}
.chg-ins{border-color:#c9e5d5}

/* 改动标记角标文字变宽后收一点 */
.mk{font-size:9px;padding:0 4px;border-radius:4px;vertical-align:super}

/* 点击规则 → 定位闪烁 */
@keyframes ruleFlash{0%,100%{background:transparent}25%,65%{background:#ffe9a8}}
.idiff-p.flash{animation:ruleFlash 1.15s ease;border-radius:4px}
.fc-sample-note{font-family:var(--font);font-size:12px;color:var(--muted)}
#findingsSummary[hidden]{display:none}

/* ===== 改动页操作条 + 标记提示 ===== */
.edit-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin:0 0 12px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}
.edit-total{font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.ws-del{text-decoration:none;background:#fdecea;color:#a5342a;border-radius:4px;padding:1px 5px;cursor:help}
.mark-tip{position:fixed;top:0;left:0;z-index:999;max-width:340px;background:#17191d;color:#fff;
  border-radius:8px;padding:8px 10px;font-size:12px;line-height:1.5;box-shadow:0 10px 28px rgba(0,0,0,.2);
  pointer-events:none;display:flex;flex-direction:column;gap:2px;white-space:pre-wrap}
.mark-tip[hidden]{display:none}
.mark-tip b{font-size:11px;font-weight:600;color:#b9b4a8}
[data-tip]{cursor:help}
/* 弹窗单滚动条：外层锁死，只让内容区滚 */
.dialog{max-height:86vh;overflow:hidden}
.dialog .dialog-body{max-height:86vh;overflow:auto;overscroll-behavior:contain}
dialog::backdrop{background:rgba(16,18,22,.32)}

/* ===== 全选 / 开关动效 / 上传进度 / 主题扩散 ===== */
.rail-head{display:flex;align-items:center;gap:8px}
.rail-head .rail-title{margin:0}
.rail-head .link-btn{margin-left:auto;font-size:12px;color:var(--muted)}
.rail-head .link-btn:hover{color:var(--ink)}
#sourceBadge{order:3}

/* 开关：按压缩窄 + 弹簧回弹 + 涟漪 */
.toggle-track{transition:background .18s ease, transform .18s ease}
.toggle-thumb{transition:transform .26s cubic-bezier(.34,1.56,.64,1), width .18s ease, border-radius .18s ease}
.toggle:active .toggle-track{transform:scale(.96)}
.toggle:active .toggle-thumb{width:20px;border-radius:8px}
.toggle input:checked + .toggle-track{box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}

/* 上传进度 */
.file-progress{width:100%;max-width:620px;display:flex;align-items:center;gap:10px;padding:8px 12px;
  border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.file-progress i{height:4px;flex:1;background:var(--ink);border-radius:2px;width:0;transition:width .18s linear}
.file-progress span{font-size:11.5px;color:var(--muted);min-width:72px;text-align:right;font-variant-numeric:tabular-nums}

/* 主题扩散层 */
.theme-spread{position:fixed;inset:0;z-index:9999;pointer-events:none}

/* ===== 深色主题 ===== */
html[data-theme="dark"]{color-scheme:dark;
  --paper:#131417;--surface:#1b1d21;--surface-2:#202327;--ink:#eceae3;--ink-2:#c6c2b9;
  --muted:#8f8b82;--line:#2c2f34;--line2:#3a3e45;--line-strong:#4a4f57;
  --brand:#eceae3;--brand-ink:#f5f3ec;--brand-soft:#23262a;--shadow-1:0 1px 2px rgba(0,0,0,.4);--shadow-2:0 8px 24px rgba(0,0,0,.5)}
html[data-theme="dark"] body{background:var(--paper);color:var(--ink)}
html[data-theme="dark"] .nav{background:var(--paper)}
html[data-theme="dark"] .btn-primary{background:#f0ede6;border-color:#f0ede6;color:#151619}
html[data-theme="dark"] .btn-primary:hover{background:#fff;border-color:#fff;color:#000}
html[data-theme="dark"] .btn-primary:disabled{background:#3a3e45;border-color:#3a3e45;color:#8f8b82}
html[data-theme="dark"] .btn-secondary,html[data-theme="dark"] .btn-ghost{background:transparent;border-color:var(--line2);color:var(--ink-2)}
html[data-theme="dark"] .seg{background:#24272c}
html[data-theme="dark"] .seg-ink{background:#33373d;border-color:#3f444b}
html[data-theme="dark"] .welcome-card,html[data-theme="dark"] .rail,html[data-theme="dark"] .outline,
html[data-theme="dark"] .canvas,html[data-theme="dark"] .finding-card,html[data-theme="dark"] #diffPre,
html[data-theme="dark"] .file-progress,html[data-theme="dark"] .dropzone,html[data-theme="dark"] .dialog{background:var(--surface);border-color:var(--line)}
html[data-theme="dark"] .seg .tab.is-active{color:var(--ink)}
html[data-theme="dark"] .skeleton .skel{background:#26292e}
html[data-theme="dark"] .skel-card{background:var(--surface);border-color:var(--line)}
html[data-theme="dark"] .chg{background:var(--surface);border-color:var(--line2)}
html[data-theme="dark"] .chg-del .chg-ico{background:#3a2320;color:#e08b80}
html[data-theme="dark"] .chg-mod .chg-ico{background:#3a2f1c;color:#e0b56a}
html[data-theme="dark"] .chg-ins .chg-ico{background:#1d3326;color:#7fd0a0}
html[data-theme="dark"] .edit-actions{background:var(--surface-2)}
html[data-theme="dark"] .quota{border-color:var(--line)}
html[data-theme="dark"] .battery i{background:#33373d}
html[data-theme="dark"] .paper-page{background:#f7f5ef;color:#151515}
html[data-theme="dark"] .orig-page{background:#f7f5ef;color:#151515;border-color:#3a3e45}
html[data-theme="dark"] .idiff-body{background:var(--surface);color:var(--ink)}
html[data-theme="dark"] .mark-tip{background:#eceae3;color:#151619}
html[data-theme="dark"] .mark-tip b{color:#6f6a60}
.en-switch{display:flex;justify-content:flex-end;margin-top:6px}

/* ===== 响应式修正（放最后，覆盖早期三栏） ===== */
@media(min-width:1181px){ .app{grid-template-columns:200px minmax(0,1fr) 360px} }
@media(max-width:1180px){
  .app{grid-template-columns:minmax(0,1fr)}
  .outline{display:block !important;position:fixed;left:0;top:var(--nav-h);bottom:0;width:284px;max-height:none;
    z-index:80;background:var(--surface);border-right:1px solid var(--line);padding:14px 12px;
    transform:translateX(-102%);transition:transform .26s cubic-bezier(.34,1.2,.64,1);overflow:auto}
  .outline.is-open{transform:none;box-shadow:0 16px 48px rgba(0,0,0,.18)}
  #outlineMobileBtn{display:inline-flex}
  .canvas{min-width:0}
  #previewHost{overflow-x:auto;max-width:100%}
  .canvas-paper{max-width:100%}
}
@media(max-width:560px){
  .nav{flex-wrap:wrap;row-gap:8px;padding-left:12px;padding-right:12px}
  .nav .brand{flex:none}
  .nav .steps{flex:1 1 auto;min-width:0}
  .brand-name{max-width:5.2em;overflow:hidden;text-overflow:ellipsis}
  #primaryBtn{font-size:13px;padding:8px 12px;white-space:nowrap}
  .nav-actions{margin-left:0;flex-wrap:wrap;white-space:normal}
  .nav-actions .pro-link,.nav-actions .lang-wrap{display:none}
  .nav-actions{gap:8px}
  .seg.tabs{width:100%}
}

/* 设置弹窗小屏单列，避免横向裁切 */
@media(max-width:560px){
  .dialog{width:96vw;max-width:96vw;padding:18px}
  .rule-grid{grid-template-columns:1fr}
  .rule-grid label,.rule-grid .field{min-width:0}
  .rule-grid input,.rule-grid select{width:100%}
}

/* ===== 深色对比修正 ===== */
html[data-theme="dark"] .outline-item:hover{background:#2b3036;color:var(--ink)}
html[data-theme="dark"] .outline-item.is-current{background:#333941;color:#fff;font-weight:600}
html[data-theme="dark"] .toggle input:checked + .toggle-track{background:#6b727c;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
html[data-theme="dark"] .seg .tab{color:#a39f96}
html[data-theme="dark"] .seg .tab.is-active{color:#f2efe8}
html[data-theme="dark"] .canvas-mode{color:#b5b0a6}
html[data-theme="dark"] .hint{color:#a59f95}
.paper-page,.orig-page{box-sizing:border-box;max-width:100%}

.orphan-note{margin:0 0 10px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);font-size:11.5px;color:var(--muted)}

/* ===== 批量处理 ===== */
.batch-panel{width:100%;max-width:720px;min-width:0;margin:0 auto;padding:22px 20px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}
.batch-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}
.batch-title{font-size:20px;margin:2px 0 4px}
.batch-sub{font-size:12.5px;color:var(--muted);margin:0}
.batch-actions{display:flex;gap:8px;flex:none}
.batch-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.batch-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.batch-item .bi-name{flex:1;min-width:0;font-size:13px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.batch-item .bi-meta{font-size:11.5px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.batch-item .bi-state{font-size:11.5px;padding:2px 7px;border-radius:99px;border:1px solid var(--line2);color:var(--muted);white-space:nowrap}
.batch-item .bi-state.is-ok{color:#146c43;border-color:#bfe0cc;background:#eef8f2}
.batch-item .bi-state.is-run{color:#8a611c;border-color:#ecd9b0;background:#fdf6e8}
.batch-item .bi-state.is-err{color:#a5342a;border-color:#f0c9c4;background:#fdecea}
.batch-item .bi-del{border:0;background:none;color:var(--muted);cursor:pointer;font-size:16px;line-height:1;padding:2px 4px}
.batch-item .bi-del:hover{color:var(--ink)}
.batch-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}
html[data-theme="dark"] .batch-panel,html[data-theme="dark"] .batch-item{background:var(--surface);border-color:var(--line)}
html[data-theme="dark"] .batch-item .bi-state.is-ok{background:#1a2a22;border-color:#2c4a3a;color:#7fd0a0}
html[data-theme="dark"] .batch-item .bi-state.is-run{background:#2c2416;border-color:#4a3b22;color:#e0b56a}
html[data-theme="dark"] .batch-item .bi-state.is-err{background:#2e1c1a;border-color:#4a2a26;color:#e08b80}
@media(max-width:560px){
  .batch-head{flex-direction:column}
  .batch-actions{width:100%}
  .batch-foot{flex-direction:column;align-items:stretch}
  .batch-foot .btn{width:100%}
}

/* 批量模式：隐藏左右栏，画布占满 */
.app.is-batch{grid-template-columns:minmax(0,1fr)}
.app.is-batch .outline,.app.is-batch .rail{display:none}
.app.is-batch .canvas{max-width:100%}

.derive-row{display:flex;align-items:center;gap:10px;margin:8px 0 4px;flex-wrap:wrap}
.derive-row .hint{margin:0}
.derive-row .btn{flex:none}

.preset-row{display:flex;align-items:center;gap:8px;margin:6px 0 2px}
.preset-row .select{flex:1;min-width:0}

.ai-box{margin:8px 0 4px;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);display:flex;flex-direction:column;gap:8px}
.ai-box .input{width:100%}
.ai-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ai-row .hint{margin:0}

/* ===== 显示层修复：hidden 必须真正隐藏 + 弹窗滚动结构 ===== */
[hidden]{display:none !important}
dialog.dialog{display:flex;flex-direction:column;padding:0 !important;width:min(92vw,720px);
  max-height:min(88vh,900px);overflow:hidden;border:1px solid var(--line);border-radius:14px}
dialog.dialog:not([open]){display:none !important}
dialog.dialog[open]{display:flex}
dialog.dialog .dialog-body{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;
  max-height:none;overflow-y:auto;overscroll-behavior:contain;padding:18px 20px;gap:0}
dialog.dialog .dialog-body > h3{margin:0 0 14px;flex:none}
@media(max-width:560px){ dialog.dialog{width:94vw;max-height:90vh} dialog.dialog .dialog-body{padding:16px} }
#outlineMobileBtn{display:inline-flex}
@media(min-width:1181px){#outlineMobileBtn{display:none}}
.batch-head,.batch-foot{min-width:0}
.batch-actions{flex-wrap:wrap}
@media(max-width:400px){ .nav-actions .pro-link{display:none} }
body:has(dialog[open]){overflow:hidden}

.pp-img{display:flex;align-items:center;justify-content:center;margin:6px 0;overflow:hidden;background:transparent}
.pp-img img{max-width:100%;max-height:100%;display:block}
.inline-img{display:inline-block;vertical-align:middle;margin:0 3px;border-radius:2px}
.bi-retry{border:0;background:none;color:var(--brand);font-size:12px;padding:2px 6px;border-radius:6px;cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.bi-retry:hover{background:var(--surface-2)}
/* 清理排版后的短暂过渡（尊重减少动效） */
.pv-enter{animation:pvIn .3s cubic-bezier(.2,.7,.2,1)}
@keyframes pvIn{from{opacity:.55;transform:translateY(4px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){.pv-enter{animation:none}}
/* 设置分组折叠 */
h4.settings-sub.is-collapsible{cursor:pointer;display:flex;align-items:center;gap:6px;user-select:none}
h4.settings-sub.is-collapsible::before{content:"";width:0;height:0;border-left:5px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent;transition:transform .18s ease;transform:rotate(90deg)}
h4.settings-sub.is-collapsed::before{transform:rotate(0)}
h4.settings-sub.is-collapsible:hover{color:var(--ink)}
/* 浮动图片近似 */
.inline-img.is-float{float:left;margin:2px 10px 6px 0}
/* 独立页（隐私/条款/404）顶栏 */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:980px;margin:0 auto;padding:16px 24px;border-bottom:1px solid var(--line)}
.topbar .brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:inherit}
.topbar-actions{display:flex;gap:8px;align-items:center}
@media(max-width:560px){.topbar{padding:12px 16px}.topbar .brand-latin{display:none}}
/* 浮动图片：右侧 */
.inline-img.is-float-right{float:right}
.inline-img.is-block{float:none}
.batch-progress{font-size:12px;color:var(--muted);margin:4px 0 0;font-variant-numeric:tabular-nums}

/* 空状态提示 */
.empty-hint{display:flex;flex-direction:column;align-items:flex-start;gap:7px;padding:20px 2px 6px;color:var(--muted)}
.empty-hint svg{width:22px;height:22px;color:var(--muted);margin-bottom:2px}
.empty-hint .eh-title{font-size:13px;font-weight:600;color:var(--ink);margin:0}
.empty-hint .eh-sub{font-size:12.5px;line-height:1.65;color:var(--muted);margin:0;max-width:32em}

/* 段间空白改动的说明条 */
.orphan-note{display:block;padding:10px 12px;margin:0 0 12px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface-2);color:var(--muted);font-size:12.5px;line-height:1.55}

/* 欢迎页快捷入口 */
.welcome-alt{display:flex;align-items:center;flex-wrap:wrap;gap:2px}
.welcome-alt a{padding:2px 1px;text-underline-offset:3px}
.welcome-alt a:hover{text-decoration:underline}
.welcome-alt .dot{opacity:.5;padding:0 2px}

/* 移动端导航：去掉非必要按钮，避免页面被撑宽 */
@media(max-width:600px){
  .nav-inner{gap:8px}
  .nav-actions{gap:6px}
  .brand-name{font-size:15px;max-width:6.2em;overflow:hidden;text-overflow:ellipsis}
  .lang-select{padding-left:8px;padding-right:6px}
}


/* ===== 简化界面：更多菜单 ===== */
.more-menu{position:absolute;top:calc(var(--nav-h) - 4px);right:var(--gut);z-index:70;min-width:208px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:6px;
  box-shadow:0 12px 32px rgba(0,0,0,.14)}
.menu-title{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:6px 10px 4px}
.menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:0;border-radius:8px;
  background:none;color:var(--ink);font:inherit;font-size:13.5px;text-align:left;text-decoration:none;cursor:pointer}
.menu-item:hover,.menu-item:focus-visible{background:var(--surface-2);outline:none}
.menu-value{margin-left:auto;color:var(--muted);font-size:12px}
.menu-version{margin:8px 10px 4px;padding-top:8px;border-top:1px solid var(--line);color:var(--muted);font-size:11.5px}

/* 导入前：隐藏目录、右栏、步骤条，中间卡片收窄居中 */
.app.is-welcome{grid-template-columns:minmax(0,1fr);min-height:calc(100vh - var(--nav-h) - 68px);align-items:center}
.app.is-welcome .outline,.app.is-welcome .rail{display:none}
.app.is-welcome .canvas{min-height:auto;padding:0;background:transparent;border:0}
.app.is-welcome .welcome-card{max-width:560px;margin:0 auto}

/* 高级设置折叠 */
.adv-group{margin-top:18px;border-top:1px solid var(--line);padding-top:12px}
.adv-group summary{cursor:pointer;font-size:13px;color:var(--ink-2);list-style:none;display:flex;align-items:center;gap:6px}
.adv-group summary::-webkit-details-marker{display:none}
.adv-group summary::before{content:"";width:0;height:0;border-left:5px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent;transition:transform .18s ease}
.adv-group[open] summary::before{transform:rotate(90deg)}
.adv-group .adv-body{display:flex;flex-direction:column;gap:10px;padding-top:10px}
.adv-group .derive-row{margin:0}
.adv-group .preset-row{margin:0}

/* 移动端：底部抽屉 + 菜单弹层 */
.rail-close{display:none}
@media(max-width:900px){
  body{padding-bottom:56px}
  .rail{position:fixed;left:0;right:0;bottom:0;top:auto;z-index:60;min-height:0;max-height:74vh;
    border-radius:14px 14px 0 0;padding:0;box-shadow:0 -10px 30px rgba(0,0,0,.16);
    transform:translateY(calc(100% - 50px));transition:transform .2s ease}
  .rail.is-open{transform:translateY(0)}
  .rail .tabs{margin:0;border-radius:0;padding:9px 12px;position:sticky;top:0;z-index:2;background:var(--surface-2)}
  .rail .tab-body{display:none;padding:0 14px 18px;max-height:calc(74vh - 50px);overflow:auto}
  .rail.is-open .tab-body.is-active{display:block}
  .rail-close{display:grid;place-items:center;position:absolute;right:8px;top:-38px;width:30px;height:30px;
    border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--ink);z-index:3;cursor:pointer}
  .app.is-welcome .rail{display:none}
  .more-menu{position:fixed;left:0;right:0;bottom:0;top:auto;min-width:0;max-width:none;border-radius:14px 14px 0 0;
    padding:8px 12px calc(16px + env(safe-area-inset-bottom));box-shadow:0 -12px 32px rgba(0,0,0,.18)}
}

@media(max-width:600px){
  .brand-name{display:none}
  .app.is-welcome{min-height:calc(100vh - var(--nav-h) - 56px)}
}

@media(max-width:900px){
  .nav{height:auto}
  .nav-inner{height:auto;flex-wrap:wrap;padding-top:8px;padding-bottom:8px;row-gap:6px}
  .steps{display:flex;order:3;flex:1 0 100%;margin:0;gap:2px;overflow-x:auto;padding:2px 0 0}
  .step{font-size:11.5px;padding:3px 5px;gap:4px}
  .step em{width:16px;height:16px;font-size:10px}
  .step-line{width:10px}
  .nav-actions{order:2}
  .brand{order:1}
}

/* 抽屉收起时隐藏关闭键；移动端页脚只保留信任文案 */
@media(max-width:900px){ .rail:not(.is-open) .rail-close{display:none} }
@media(max-width:600px){ .footer .dot,.footer a{display:none} .footer-inner{justify-content:center} }
/* ===== P1：触控、遮罩、语义色收敛 ===== */
.nav-actions .icon-btn{width:44px;height:44px}
.lang-select{height:44px}
.brand{min-height:44px;display:flex;align-items:center}
.welcome-alt a{display:inline-flex;align-items:center;min-height:44px;padding:0 2px}
.menu-item{min-height:44px;padding:11px 10px}
.rail-scrim{position:fixed;inset:0;background:rgba(24,24,22,.28);z-index:55}
.rail-close{width:44px;height:44px}
@media(max-width:900px){ body.rail-open{overflow:hidden} }
@media(min-width:901px){ .rail-scrim{display:none!important} }

/* 语义色收敛：计数/来源回到中性底，颜色只留小图标 */
.chg-del,.chg-mod,.chg-ins{border-color:var(--line)}
.chg-del .chg-ico,.chg-mod .chg-ico,.chg-ins .chg-ico{background:var(--surface-2)}
.source-badge{background:var(--surface-2);color:var(--ink-2);border-color:var(--line)}

/* P2：设置里数值右对齐，规格说明已收进高级区 */
.rule-grid input{text-align:right;font-variant-numeric:tabular-nums}

.app.is-welcome .welcome-sub{margin-left:0;margin-right:0}


/* ===== 22 期参考风格：更安静的编辑器外壳 ===== */
:root{--nav-h:68px}
body{background:#ecebe6}
.nav{height:68px;background:rgba(251,250,247,.94);border-bottom:1px solid var(--line)}
.nav-inner{height:68px;gap:24px}
.brand{font-weight:650}
.brand-mark{width:30px;height:30px;border-radius:9px}
.brand-latin{display:inline;font-size:12px;color:var(--muted);font-weight:500}
.steps{margin-left:8px;gap:10px}
.step{font-size:13px;min-height:44px}
.step-line{width:14px;background:var(--line-strong)}
.nav-actions{gap:12px}
.lang-select{height:44px;min-height:44px;border-radius:10px;background-color:var(--surface);font-size:13px}
.privacy-badge{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:7px 11px;
  background:var(--brand-soft);border:1px solid #cfe2d9;border-radius:999px;color:var(--brand-ink);
  font-size:12px;border-radius:999px}
#moreBtn{width:44px;height:44px;min-width:44px;min-height:44px;border:1px solid var(--line-strong);
  border-radius:10px;background:var(--surface)}
#moreBtn:hover{background:var(--surface-2)}
.btn-primary{min-height:44px;border-radius:10px;padding:0 16px}

/* 三栏：参考 190 / 1fr / 340，间距 22 */
@media(min-width:1181px){
  .app{grid-template-columns:190px minmax(0,1fr) 340px;gap:22px}
  .app.outline-collapsed{grid-template-columns:44px minmax(0,1fr) 340px}
}
.canvas{background:var(--surface-2);border-radius:14px}
.outline,.rail{border-radius:14px}
.rail{padding:14px}
.seg{background:none;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:0;gap:20px;margin-bottom:14px}
.seg-ink{display:none!important}
.seg .tab{min-height:44px;border-radius:0;background:none;box-shadow:none;font-size:13px;position:relative;color:var(--muted)}
.seg .tab.is-active{background:none;box-shadow:none;color:var(--ink);font-weight:600}
.seg .tab.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1.5px;background:var(--ink)}

/* 右侧统计与规则卡：减少彩色块，只保留小图标 */
.chg-stats{display:flex;gap:16px;align-items:center;border:0;margin:2px 0 12px}
.chg{background:none;border:0;padding:0;min-height:32px;gap:7px}
.chg-ico{width:22px;height:22px;border-radius:6px}
.chg-del .chg-ico,.chg-mod .chg-ico,.chg-ins .chg-ico{background:var(--surface-2)}
.finding-card{border-radius:8px}

/* 空态：居中卡片、单主动作、粘贴为次级链接 */
.app.is-welcome{min-height:calc(100vh - var(--nav-h) - 64px)}
.app.is-welcome .welcome-card{max-width:520px;text-align:center;padding:32px;box-shadow:var(--shadow-1)}
.app.is-welcome .welcome-card h1,
.app.is-welcome .welcome-card .eyebrow,
.app.is-welcome .welcome-sub{text-align:center}
.app.is-welcome .welcome-sub{margin:0 auto 20px;max-width:44ch}
.app.is-welcome .welcome .dropzone{text-align:center;display:flex;flex-direction:column;align-items:center;
  justify-content:center;min-height:168px;padding:28px 20px;background:var(--surface-2);
  border:1.5px dashed var(--line-strong);border-radius:10px}
.app.is-welcome .welcome .dz-icon{margin:0 0 6px;color:var(--brand)}
.app.is-welcome .welcome .fmt-chips{justify-content:center}
.app.is-welcome .welcome-alt{text-align:center;margin-top:14px}
.app.is-welcome .welcome-alt a{display:inline-flex;align-items:center;min-height:44px;color:var(--brand-ink);
  text-decoration:underline;text-underline-offset:3px;font-size:12px}
.app.is-welcome .welcome-alt .dot{display:none}
.app.is-welcome .welcome-paste{text-align:left}

/* 页脚：左信任，右状态 */
.footer{height:64px;background:var(--surface);border-top:1px solid var(--line)}
.footer-inner{height:64px;padding-top:0;padding-bottom:0;flex-wrap:nowrap;justify-content:space-between;
  align-items:center;text-align:left;font-size:11px;gap:16px}
.foot-status{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.foot-status i{width:5px;height:5px;border-radius:50%;background:var(--brand);display:inline-block}

/* 设置改为右侧抽屉 */
#settingsDialog{position:fixed;inset:0 0 0 auto;margin:0;width:min(440px,100vw);max-width:none;
  height:100dvh;max-height:100dvh;border:0;border-left:1px solid var(--line);border-radius:0;
  box-shadow:-20px 0 60px rgba(20,24,28,.16);transform:translateX(100%);transition:transform .32s var(--ease)}
#settingsDialog[open]{transform:none}
#settingsDialog::backdrop{background:rgba(20,24,28,.26)}
#settingsDialog .dialog-body{height:100%;max-height:none;overflow:auto;padding:24px}
#settingsDialog .dialog-head{padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:16px}
#settingsDialog .row-actions{position:sticky;bottom:-24px;background:var(--surface);padding:14px 0;
  border-top:1px solid var(--line);margin-top:18px}

@media(max-width:900px){
  :root{--nav-h:60px}
  .nav,.nav-inner{height:60px}
  .brand-latin{display:none}
  .privacy-badge{display:none}
  .footer-inner{font-size:10.5px}
  #settingsDialog{width:100vw}
}

.app.is-welcome,.app.is-welcome.outline-collapsed{grid-template-columns:minmax(0,1fr)}

/* 参考风格收尾 */
.app.is-welcome .welcome-alt{justify-content:center}
#settingsDialog .rule-grid{grid-template-columns:1fr}
#settingsDialog .rule-grid label>span:first-child{width:84px}
.fc-sample{display:none!important}

@media(max-width:900px){
  #settingsDialog .rule-grid{grid-template-columns:1fr}
}
@media(max-width:900px){ .nav .steps{flex:1 0 100%;order:3;min-width:0} .nav .nav-actions{order:2} .nav .brand{order:1} }

@media(max-width:900px){ .nav{height:auto} .nav-inner{height:auto;flex-wrap:wrap;padding:8px 0 6px;row-gap:6px} }