:root{
  --bg:#fbf7ef;
  --paper:#fff7e6;
  --ink:#1b1b1b;
  --muted:#6b6258;
  --line:rgba(140,110,60,.20);
  --shadow: 0 22px 74px rgba(30, 24, 18, .14);
  --accent:#8b1e22; /* 朱砂 */
  --accent2:#caa14a; /* 金 */
  --radius:20px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --serif: "STSong", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(900px 520px at 12% 8%, rgba(184,137,43,.22), transparent 60%),
    radial-gradient(760px 520px at 86% 22%, rgba(139,30,34,.14), transparent 62%),
    radial-gradient(900px 640px at 55% 98%, rgba(30,24,18,.08), transparent 62%),
    url("./cloud_pattern.svg"),
    var(--bg);
  font-family:var(--sans);
}

.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; gap:12px; align-items:center; justify-content:space-between;
  padding:14px 16px;
  background: rgba(251,247,239,.86);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.brand__title{ font-weight:800; letter-spacing:.5px; }
.brand__sub{ font-size:12px; color:var(--muted); margin-top:2px; }
.topbar__actions{ display:flex; gap:10px; align-items:center; }

.container{ max-width:980px; margin:0 auto; padding:18px 14px 54px; }
.hero{ padding:14px 0 8px; }
.hero__panel{
  background: linear-gradient(180deg, rgba(255,247,230,.98), rgba(255,250,241,.80));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
  position:relative;
}

.seal{
  position:absolute; right:16px; top:16px;
  width:78px; height:78px;
  border-radius:16px;
  border:1px solid rgba(139,30,34,.55);
  color:rgba(139,30,34,.94);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--serif);
  letter-spacing:3px;
  transform: rotate(6deg);
  background: radial-gradient(circle at 30% 30%, rgba(255,247,230,.92), rgba(255,247,230,.55));
  box-shadow: 0 10px 26px rgba(30,24,18,.12);
}

.hero h1{ margin:0 92px 8px 0; font-size:22px; line-height:1.25; font-family:var(--serif); }
.muted{ color:var(--muted); }
.hero__quick{ display:flex; flex-wrap:wrap; gap:10px; margin-top:12px; }

.chip{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,250,241,.78);
  color:var(--ink);
  text-decoration:none;
}
.chip:hover{ border-color: rgba(139,30,34,.34); }

.section{ margin-top:12px; }
.section__head{ display:flex; gap:12px; align-items:flex-end; justify-content:space-between; flex-wrap:wrap; }
.section h2{ margin:0 0 10px 0; font-size:18px; font-family:var(--serif); }
.section__meta{ min-width:min(520px, 100%); }

.search{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,250,241,.85);
  outline:none;
}
.hint{ font-size:12px; color:var(--muted); margin-top:6px; }

.btn{
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(139,30,34,.32);
  background: radial-gradient(120% 140% at 18% 8%, rgba(255,255,255,.20), rgba(255,255,255,0) 55%), rgba(139,30,34,.92);
  color:#fff;
  cursor:pointer;
}
.btn--ghost{
  background: rgba(255,250,241,.86);
  color:var(--ink);
  border:1px solid var(--line);
}
.btn:hover{ filter:brightness(.98); }

.steps{ margin:0; padding-left:18px; }
.steps li{ margin:8px 0; }
.bullets{ margin:0; padding-left:18px; }
.bullets li{ margin:8px 0; }

.toc{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap:12px;
}
.toc a{
  display:block;
  text-decoration:none;
  color:var(--ink);
  padding:14px 14px;
  border-radius:16px;
  background: rgba(255,250,241,.84);
  border:1px solid var(--line);
}
.toc a:hover{ border-color: rgba(139,30,34,.35); }
.toc .k{ font-weight:800; }
.toc .d{ font-size:12px; color:var(--muted); margin-top:6px; line-height:1.35; }
.toc mark{ background: rgba(184,137,43,.18); color: inherit; padding:0 2px; border-radius:4px; }
.recent{ margin-top:10px; display:flex; flex-direction:column; gap:8px; }
.recent .ttl{ font-size:12px; color:var(--muted); }
.recent a{ display:block; text-decoration:none; color:var(--ink); padding:10px 12px; border-radius:14px; background: rgba(255,250,241,.72); border:1px dashed rgba(184,137,43,.28); }
.recent .d{ font-size:12px; color:var(--muted); margin-top:6px; font-family:var(--mono); }

.cards{ display:flex; flex-direction:column; gap:10px; }
.card{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,247,230,.92), rgba(255,250,241,.82));
  padding:12px;
  box-shadow: 0 10px 28px rgba(30,24,18,.10);
}

.card__top{ display:flex; gap:10px; align-items:flex-start; justify-content:space-between; }
.card__head{ flex:1; min-width:0; }
.card__title{ font-weight:900; letter-spacing:.2px; line-height:1.2; }
.card__meta{ font-size:12px; color:var(--muted); margin-top:6px; }
.card__tools{ display:flex; gap:8px; align-items:center; flex-wrap:wrap; justify-content:flex-end; }
.linkRow{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.modebar .btn.active{border-color:rgba(139,30,34,.55);background:rgba(255,247,230,.92);} 

.selfcheck summary{cursor:pointer; font-size:12px; color:var(--muted);} 
.selfcheck__body{margin-top:8px; padding:10px 12px; border:1px dashed rgba(184,137,43,.35); border-radius:14px; background:rgba(255,250,241,.72); font-family:var(--mono); font-size:12px; line-height:1.55; color:rgba(30,24,18,.86);} 
.selfcheck__body .bad{color:rgba(139,30,34,.92); font-weight:800;} 
.selfcheck__body .ok{color:rgba(30,110,60,.92); font-weight:800;} 

.pill{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(184,137,43,.28);
  background: rgba(184,137,43,.10);
  color: rgba(30,24,18,.86);
}

.card__body{ margin-top:12px; }
.card__body h3{ margin:14px 0 8px; font-size:13px; font-family:var(--serif); letter-spacing:.2px; }
.card__body p, .card__body li{ line-height:1.75; }
.card__body ul{ margin:8px 0 0; padding-left:18px; }

.mdActions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;align-items:center;}
.mdActions .btn{padding:7px 10px;border-radius:999px;}
.cbx{display:flex; gap:8px; align-items:flex-start;}
.cbx__t{line-height:1.65;}
.cb{width:16px;height:16px;margin-top:2px;}
.mdFold{position:relative;}
.mdFold[data-fold="1"]{max-height:220px;overflow:hidden;mask-image:linear-gradient(#000 65%, transparent);} 
.mdFold.isOpen{max-height:none;overflow:visible;mask-image:none;}
/* filters */
/* filters: JS will tag nodes with data-md-block, CSS just hides non-matching */
.mdFold.onlySteps [data-md-block]:not([data-md-block="steps"]){display:none;}
.mdFold.onlyTalk [data-md-block]:not([data-md-block="talk"]){display:none;}

.link{
  font-family:var(--mono);
  font-size:12px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,250,241,.8);
}
.link .btn{ padding:6px 10px; border-radius:999px; }
.linkMono{ margin-top:6px; opacity:.58; word-break:break-all; }
/* 默认：隐藏路径展示（只清展示，不影响复制/跳转） */
.link [data-copy-kind="path"],
.linkMono,
.toc .d{display:none !important;}
.sep{ margin:0 8px; opacity:.55; }

/* tighten empty text nodes and improve mobile rhythm */
@media (max-width:520px){
  .card{ padding:12px; }
  .card__title{ font-size:16px; }
  .card__meta{ font-size:12px; }
}

.footer{ margin-top:18px; padding:18px 4px 0; border-top:1px solid var(--line); }
.footer__line{ font-size:12px; }

/* font toggle */
body.serif{ font-family:var(--serif); }

@media (max-width:520px){
  .seal{
  position:absolute; right:16px; top:16px;
  width:78px; height:78px;
  border-radius:16px;
  border:1px solid rgba(139,30,34,.55);
  color:rgba(139,30,34,.94);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--serif);
  letter-spacing:3px;
  transform: rotate(6deg);
  background: radial-gradient(circle at 30% 30%, rgba(255,247,230,.92), rgba(255,247,230,.55));
  box-shadow: 0 10px 26px rgba(30,24,18,.12);
}

  .hero h1{ margin-right:0; }
}

/* light-lux divider */
.hero__panel h1{
  position:relative;
  padding-bottom:14px;
}
.hero__panel h1:after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:min(320px, 78%);
  height:2px;
  background: linear-gradient(90deg, rgba(202,161,74,.0), rgba(202,161,74,.85), rgba(202,161,74,.0));
  border-radius:99px;
}
.hero__panel h1:before{
  content:"";
  position:absolute;
  left:0;
  bottom:-4px;
  width:6px;
  height:6px;
  border-radius:99px;
  background: rgba(202,161,74,.95);
  box-shadow: 0 0 0 4px rgba(202,161,74,.14);
}

/* ===== Execution zones (5 blocks) ===== */
.zone{margin-top:14px;padding:14px;border-radius:16px;background:rgba(255,255,255,.72);border:1px solid rgba(200,170,120,.18);box-shadow:0 10px 30px rgba(25,25,25,.06);}
.zone__head{display:flex;justify-content:space-between;gap:10px;align-items:flex-end;margin-bottom:10px;}
.zone__title{font-size:16px;font-weight:800;letter-spacing:.5px;}
.zone__desc{font-size:12px;color:rgba(60,60,60,.65);}
.zone__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
@media (min-width:860px){.zone__grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.zbtn{display:flex;flex-direction:column;gap:4px;padding:12px 12px;border-radius:14px;text-decoration:none;background:rgba(255,255,255,.86);border:1px solid rgba(200,170,120,.22);color:inherit;min-height:54px;}
.zbtn b{font-size:13px;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.zbtn span{font-size:11px;color:rgba(60,60,60,.65);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.zbtn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(25,25,25,.08);}
.zbtn--ghost{background:rgba(255,255,255,.55);}