:root{
  --paper:#F5F1E7; --paper-2:#EEE8DA; --card:#FFFCF5;
  --edge:#DCD3C2; --line:#E6DECF;
  --ink:#34444A; --ink-2:#6B7773; --ink-3:#9CA39D;
  --wheat:#D8B681; --hat:#94692F; --gold:#AA7A24;
  --slate:#2F3B40; --slate-ink:#F3ECDD;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --max:1040px; --pad:clamp(20px,4vw,40px);
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#1B2326; --paper-2:#151C1F; --card:#232C30;
    --edge:#2E3A3E; --line:#2A3539;
    --ink:#ECE5D6; --ink-2:#B7B0A0; --ink-3:#8A8478;
    --wheat:#C9A46A; --hat:#E0B866; --gold:#E0B866;
    --slate:#10171A; --slate-ink:#F3ECDD;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper);color:var(--ink);--p:0}
html.js [data-r]{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;transition-delay:calc(var(--i,0)*.08s)}
html.js [data-r].in,html.rm [data-r]{opacity:1;transform:none}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.75;background:var(--paper);color:var(--ink);transition:background .4s,color .4s}
body.dz{background:var(--slate);color:var(--slate-ink)}
body.dz .topbar,body.dz .card,body.dz .stack-in{background:#10171A;color:var(--slate-ink);border-color:#2A3539}
body.dz a{color:var(--slate-ink)}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--gold)}
.progress{position:fixed;top:0;left:0;height:2px;width:100%;z-index:50;pointer-events:none}
.progress::after{content:"";display:block;height:100%;width:calc(var(--p)*100%);background:var(--gold)}
.topbar{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid transparent}
html.scrolled .topbar{border-bottom-color:var(--edge)}
.wrap{width:min(var(--max),100%);margin:0 auto;padding:0 var(--pad)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;flex-direction:column;gap:0;line-height:1.2}
.brand b{font-family:var(--serif);font-weight:700;font-size:18px;letter-spacing:.08em}
.brand small{font-size:11px;color:var(--ink-2);letter-spacing:.04em}
nav{display:flex;gap:22px;font-size:14px}
nav a{color:var(--ink-2)}
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:56px 0 40px}
.kicker{color:var(--gold);letter-spacing:.16em;font-size:12px;text-transform:none}
.motto{font-family:var(--serif);font-weight:700;font-size:clamp(32px,5vw,52px);line-height:1.4;letter-spacing:.08em;color:var(--hat);margin:16px 0 8px}
.motto span{display:block}
.name{font-family:var(--serif);font-size:28px;font-weight:700;margin:8px 0 6px;letter-spacing:.12em}
.meta{color:var(--ink-2);font-size:14px;margin:0 0 22px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:4px;background:var(--slate);color:var(--slate-ink);font-size:14px;letter-spacing:.06em}
.btn:hover{color:var(--slate-ink);opacity:.92}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--edge)}
.portrait{position:relative}
.portrait img{width:100%;height:auto;object-fit:cover;aspect-ratio:4/5;border-radius:2px;background:var(--paper-2)}
.caption{margin-top:8px;font-size:12px;color:var(--ink-3)}
section{padding:36px 0}
h2{font-family:var(--serif);font-weight:700;font-size:clamp(22px,3vw,30px);letter-spacing:.08em;margin:0 0 8px}
.lead{color:var(--ink-2);margin:0 0 22px;max-width:40em}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--edge);padding:22px 20px;border-radius:2px}
.card h3{font-family:var(--serif);font-size:20px;margin:0 0 8px;letter-spacing:.08em}
.card p{margin:0;color:var(--ink-2);font-size:14px}
#tl{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
#tl li{background:var(--card);border:1px solid var(--edge);padding:18px 16px;border-radius:2px;position:relative}
#tl li::before{content:"";position:absolute;top:12px;right:12px;width:8px;height:8px;border-radius:50%;background:var(--edge)}
#tl li.lit::before{background:var(--gold)}
#tl b{display:block;font-family:var(--serif);margin-bottom:4px}
#tl span{color:var(--ink-2);font-size:14px}
.articles{display:grid;gap:12px}
.article-row{display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:baseline;padding:16px 0;border-top:1px solid var(--line)}
.article-row .date{color:var(--gold);font-size:13px;letter-spacing:.04em}
.article-row h3{font-family:var(--serif);font-size:18px;margin:0;line-height:1.45}
.article-row .tag{font-size:12px;color:var(--ink-3);white-space:nowrap}
.note{font-size:13px;color:var(--ink-2);margin-top:8px}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.contact-grid ul{list-style:none;margin:0;padding:0}
.contact-grid li{margin:0 0 10px}
.qr{width:140px;background:#fff;padding:8px;border:1px solid var(--edge)}
.lic{font-size:12px;color:var(--ink-3);letter-spacing:.02em}
footer{border-top:1px solid var(--edge);padding:22px 0 36px;font-size:12px;color:var(--ink-3)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--card);padding:8px 12px}
@media (max-width:860px){
  .hero,.contact-grid,.grid3,#tl{grid-template-columns:1fr}
  .hero{padding-top:32px;gap:24px}
  nav{gap:14px;font-size:13px}
  #tl li{padding:14px}
  .article-row{grid-template-columns:1fr;gap:4px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}


.stacks{display:grid;gap:16px}
.stack{position:relative}
.stack-in{
  display:grid;gap:6px;
  background:var(--card);color:var(--ink);
  border:1px solid var(--edge);border-radius:2px;
  padding:22px 20px;
  box-shadow:0 8px 24px -14px rgba(47,59,64,.16);
  transform-origin:50% 0;
  transform:scale(var(--sc,1));
  transition:transform .1s linear;
}
.stack-in h3{font-family:var(--serif);font-size:20px;margin:0;letter-spacing:.08em}
.stack-in p{margin:0;color:var(--ink-2);font-size:14px}
body.dz .stack-in p{color:var(--slate-ink)}
@media (min-width:960px){
  .stack{position:sticky;top:calc(64px + 8px + var(--k,0)*12px)}
  .stack-in{grid-template-columns:minmax(7rem,11rem) 1fr;align-items:baseline;column-gap:28px;padding:26px 28px}
}
@media (prefers-reduced-motion:reduce){
  .stack{position:relative!important}
  .stack-in{transform:none;transition:none}
}

.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.tool-card{display:block;background:var(--card);border:1px solid var(--edge);padding:22px 20px;border-radius:2px}
.tool-card h3{font-family:var(--serif);font-size:20px;margin:0 0 8px;letter-spacing:.06em}
.tool-card p{margin:0;color:var(--ink-2);font-size:14px}
.chk{list-style:none;margin:0;padding:0}
.chk li{display:grid;grid-template-columns:1.1em 1fr;gap:10px;align-items:start;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.chk li:last-child{border-bottom:0}
.chk i{display:inline-block;width:1em;height:1em;margin-top:.35em;border:1px solid var(--hat);border-radius:2px;background:var(--card)}
h3.block{font-family:var(--serif);font-size:20px;margin:28px 0 8px;letter-spacing:.06em}
.tiny{font-size:13px;color:var(--ink-2);margin:0 0 18px}
@media (max-width:860px){
.stacks{display:grid;gap:16px}
.stack{position:relative}
.stack-in{
  display:grid;gap:6px;
  background:var(--card);color:var(--ink);
  border:1px solid var(--edge);border-radius:2px;
  padding:22px 20px;
  box-shadow:0 8px 24px -14px rgba(47,59,64,.16);
  transform-origin:50% 0;
  transform:scale(var(--sc,1));
  transition:transform .1s linear;
}
.stack-in h3{font-family:var(--serif);font-size:20px;margin:0;letter-spacing:.08em}
.stack-in p{margin:0;color:var(--ink-2);font-size:14px}
body.dz .stack-in p{color:var(--slate-ink)}
@media (min-width:960px){
  .stack{position:sticky;top:calc(64px + 8px + var(--k,0)*12px)}
  .stack-in{grid-template-columns:minmax(7rem,11rem) 1fr;align-items:baseline;column-gap:28px;padding:26px 28px}
}
@media (prefers-reduced-motion:reduce){
  .stack{position:relative!important}
  .stack-in{transform:none;transition:none}
}

.tool-grid{grid-template-columns:1fr}}
@media print{
  .topbar,nav,.progress,footer .wrap>div:last-child{display:none}
  body{background:#fff;color:#000}
  .chk li{break-inside:avoid}
}