:root{
  --canvas:#e7d7c1;
  --paper:#fbf6eb;
  --paper-deep:#efe2cf;
  --paper-warm:#f5ead8;
  --ink:#302721;
  --muted:#76685d;
  --red:#96362b;
  --red-deep:#6f231d;
  --green:#4e705c;
  --green-soft:#dde5d8;
  --amber:#946222;
  --line:rgba(83,58,42,.18);
  --line-strong:rgba(83,58,42,.3);
  --shadow:0 20px 55px rgba(69,42,25,.13),0 3px 9px rgba(69,42,25,.08);
  --serif:Georgia,"Songti SC","STSong","Noto Serif SC",serif;
  --sans:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{min-height:100%;margin:0}
body{
  color:var(--ink);
  background:
    radial-gradient(circle at 12% 7%,rgba(255,255,255,.62),transparent 26rem),
    radial-gradient(circle at 90% 15%,rgba(150,54,43,.08),transparent 22rem),
    repeating-linear-gradient(18deg,rgba(111,77,50,.022) 0 1px,transparent 1px 14px),
    linear-gradient(135deg,#ecdfcc,#deccb3);
  font-family:var(--sans);
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.34;
  background-image:
    radial-gradient(circle at 20% 30%,rgba(106,69,43,.12) 0 1px,transparent 1.4px),
    radial-gradient(circle at 74% 62%,rgba(255,255,255,.42) 0 1px,transparent 1.4px);
  background-size:37px 41px,53px 47px;
}
a{color:inherit}

.cap-shell{position:relative;width:min(1240px,100%);margin:0 auto;padding:32px clamp(20px,5vw,68px) 74px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:42px}
.back-link{display:inline-flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;letter-spacing:.04em;text-decoration:none;transition:color .18s ease,transform .18s ease}
.back-link span:first-child{font:24px/1 var(--serif)}
.back-link:hover,.back-link:focus-visible{color:var(--red);transform:translateX(-3px);outline:none}
.archive-code{color:rgba(91,59,43,.56);font:600 10px/1.2 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.15em}

.hero{
  position:relative;
  display:grid;
  grid-template-columns:130px minmax(250px,.8fr) minmax(330px,1.2fr);
  gap:clamp(24px,4vw,54px);
  align-items:center;
  margin-top:34px;
  padding:38px 44px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  background:
    linear-gradient(90deg,rgba(150,54,43,.035),transparent 35%),
    linear-gradient(rgba(125,89,56,.026) 1px,transparent 1px),
    var(--paper);
  background-size:auto,100% 32px,auto;
  box-shadow:var(--shadow);
}
.hero::before{content:"";position:absolute;inset:11px;border:1px dashed rgba(150,54,43,.26);pointer-events:none}
.hero::after{content:"";position:absolute;top:0;left:0;width:106px;height:6px;background:var(--red)}
.hero-mark{position:relative;z-index:1;display:grid;place-items:center;min-height:112px}
.hero-mark img{display:block;width:118px;height:auto;filter:saturate(.84) sepia(.1) drop-shadow(0 8px 8px rgba(64,44,27,.16));transform:rotate(-2deg)}
.hero-mark span{position:absolute;right:0;bottom:2px;display:grid;place-items:center;width:34px;height:34px;border:1px solid rgba(111,35,29,.5);border-radius:50%;background:#ead7bb;color:var(--red-deep);font:italic 700 12px/1 var(--serif);box-shadow:0 3px 7px rgba(69,42,25,.12)}
.hero-title,.hero-copy{position:relative;z-index:1}
.eyebrow{margin:0 0 11px;color:var(--red);font:700 10px/1.3 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.17em;text-transform:uppercase}
.hero h1{margin:0;font:600 clamp(32px,4vw,49px)/1.12 var(--serif);letter-spacing:.035em}
.hero-subtitle{margin:13px 0 0;color:var(--muted);font:600 9px/1.55 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.11em}
.hero-copy{padding-left:clamp(22px,3vw,38px);border-left:1px solid var(--line)}
.lead{margin:0;font-size:clamp(14px,1.45vw,17px);font-weight:560;line-height:1.9}
.boundary{margin:17px 0 0;color:var(--muted);font-size:11.5px;line-height:1.75}

.project-showcase{margin:25px 18px 0}
.project-section-head{display:grid;grid-template-columns:1fr minmax(300px,480px);gap:36px;align-items:end;padding:0 2px 18px;border-bottom:1px solid var(--line-strong)}
.project-section-head h2{margin:0;font:600 clamp(27px,3vw,38px)/1.15 var(--serif);letter-spacing:.035em}
.project-section-head>p{margin:0;color:var(--muted);font-size:11.5px;line-height:1.75}
.project-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px;align-items:stretch}
.project-card{position:relative;display:flex;min-width:0;min-height:430px;flex-direction:column;padding:20px 19px 18px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(150,54,43,.035),transparent 45%),rgba(251,246,235,.82);box-shadow:0 7px 19px rgba(69,42,25,.07)}
.project-card::before{content:"";position:absolute;top:-1px;left:18px;width:36px;height:3px;background:var(--red)}
.project-card::after{content:"";position:absolute;right:8px;bottom:8px;width:23px;height:23px;border-right:1px solid rgba(150,54,43,.2);border-bottom:1px solid rgba(150,54,43,.2)}
.project-card-head{display:flex;gap:11px;align-items:center;min-height:48px}
.project-card-head .eyebrow{min-width:0;margin:0;font-size:7.5px;line-height:1.5;overflow-wrap:anywhere}
.project-stamp{display:grid;flex:0 0 auto;place-items:center;align-content:center;width:45px;height:45px;border:1px solid rgba(150,54,43,.45);border-radius:50%;color:var(--red);transform:rotate(-6deg)}
.project-stamp span{font:700 7px/1 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.14em}
.project-stamp strong{margin-top:3px;font:italic 600 18px/1 var(--serif)}
.project-card h3{margin:18px 0 0;font:600 clamp(19px,1.75vw,24px)/1.27 var(--serif);letter-spacing:.02em}
.project-affiliation{margin:10px 0 0;color:var(--red-deep);font-size:10.5px;font-weight:700;line-height:1.6}
.project-description{flex:1;margin:13px 0 0;color:#56483e;font-size:11.5px;line-height:1.78}
.project-card-meta{margin:17px 0 0;padding-top:13px;border-top:1px dashed rgba(102,72,50,.25)}
.project-card-meta div+div{margin-top:10px}
.project-card-meta dt{color:var(--red);font:700 8px/1.45 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.11em}
.project-card-meta dd{margin:3px 0 0;color:var(--muted);font-size:10.5px;line-height:1.62}

.fact-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}
.fact-strip div{position:relative;display:flex;min-height:96px;flex-direction:column;justify-content:center;padding:19px 21px;border:1px solid var(--line);background:rgba(251,246,235,.72);box-shadow:0 4px 14px rgba(69,42,25,.055)}
.fact-strip div::before{content:"";position:absolute;top:-1px;left:18px;width:34px;height:3px;background:var(--red)}
.fact-strip strong{font:600 clamp(25px,2.8vw,36px)/1 var(--serif);color:var(--red-deep)}
.fact-strip span{margin-top:9px;color:var(--muted);font-size:11px;line-height:1.45}

.catalog{padding:76px 0 40px}
.section-head{display:grid;grid-template-columns:1fr minmax(260px,430px);gap:45px;align-items:end;margin-bottom:28px;padding-bottom:19px;border-bottom:1px solid var(--line-strong)}
.section-head h2{margin:0;font:600 clamp(27px,3.4vw,40px)/1.18 var(--serif);letter-spacing:.02em}
.section-head>p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.75}

.category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.category-card{position:relative;display:grid;grid-template-columns:43px 1fr 24px;gap:16px;min-height:176px;padding:26px 24px;overflow:hidden;border:1px solid var(--line);background:rgba(251,246,235,.79);box-shadow:0 6px 17px rgba(69,42,25,.06);text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.category-card::before{content:"";position:absolute;top:0;left:0;width:52px;height:4px;background:var(--red)}
.category-card::after{content:"";position:absolute;right:0;bottom:0;border-width:0 0 20px 20px;border-style:solid;border-color:transparent transparent var(--paper-deep) transparent;filter:drop-shadow(-1px -1px 0 rgba(83,58,42,.11))}
.category-card:hover,.category-card:focus-visible{transform:translateY(-3px) rotate(-.12deg);border-color:rgba(150,54,43,.3);box-shadow:0 12px 26px rgba(69,42,25,.11);outline:none}
.card-index{padding-top:4px;color:rgba(111,35,29,.56);font:italic 15px/1 var(--serif)}
.card-copy h3{margin:0;font:600 clamp(20px,2vw,26px)/1.3 var(--serif);letter-spacing:.01em}
.card-en{display:block;margin-top:6px;color:var(--red);font:700 8.5px/1.35 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.12em;text-transform:uppercase}
.card-copy p{margin:16px 0 0;color:var(--muted);font-size:12px;line-height:1.7}
.card-status{display:inline-flex;margin-top:16px;padding:5px 8px;border:1px solid rgba(77,108,87,.25);border-radius:2px;background:rgba(221,229,216,.45);color:var(--green);font:700 9px/1 ui-monospace,"SFMono-Regular",Menlo,monospace}
.card-arrow{align-self:center;color:var(--red);font:22px/1 var(--serif);transition:transform .18s ease}
.category-card:hover .card-arrow{transform:translateX(4px)}

.detail-panel{position:relative;scroll-margin-top:24px;margin:45px 0 62px;padding:clamp(32px,5vw,60px);border:1px solid var(--line-strong);background:var(--paper);box-shadow:var(--shadow)}
.detail-panel::before{content:"";position:absolute;inset:12px;border:1px dashed rgba(150,54,43,.22);pointer-events:none}
.detail-panel[hidden]{display:none}
.detail-close{position:relative;z-index:1;display:inline-flex;gap:8px;margin-bottom:43px;color:var(--muted);font-size:11px;text-decoration:none}
.detail-close:first-letter{font-size:18px;color:var(--red)}
.detail-close:hover{color:var(--red-deep)}
.detail-heading{position:relative;z-index:1;display:flex;align-items:flex-start;justify-content:space-between;gap:30px}
.detail-index{margin:0 0 10px;color:rgba(111,35,29,.45);font:italic 13px/1 var(--serif)}
.detail-heading h2{max-width:700px;margin:0;font:600 clamp(29px,4vw,47px)/1.12 var(--serif);letter-spacing:.015em}
.status-pill{flex:0 0 auto;padding:8px 11px;border:1px solid rgba(77,108,87,.26);border-radius:2px;background:var(--green-soft);color:var(--green);font:700 9px/1 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.06em}
.status-pill[data-tone="review"]{border-color:rgba(148,98,34,.27);background:#efe1ca;color:var(--amber)}
.detail-intro{position:relative;z-index:1;max-width:850px;margin:24px 0 0;color:#50443a;font-size:15px;line-height:1.9}
.detail-columns{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:clamp(38px,7vw,84px);margin-top:49px;padding-top:36px;border-top:1px solid var(--line)}
.detail-columns h3,.evidence-section h3{margin:0 0 20px;color:var(--red);font:700 9px/1.3 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.15em;text-transform:uppercase}
.capability-list{list-style:none;margin:0;padding:0}
.capability-list li{position:relative;padding:0 0 14px 20px;font-size:13px;line-height:1.75}
.capability-list li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;background:var(--red);transform:rotate(45deg)}
.fact-list{margin:0}
.fact-row{display:grid;grid-template-columns:92px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--line)}
.fact-row:first-child{border-top:0;padding-top:0}
.fact-row dt{color:var(--muted);font:700 9px/1.5 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.07em}
.fact-row dd{margin:0;font-size:12px;line-height:1.7}
.evidence-section{position:relative;z-index:1;margin-top:46px;padding-top:36px;border-top:1px solid var(--line)}
.evidence-head{display:flex;justify-content:space-between;gap:35px;align-items:start}
.evidence-head p{max-width:460px;margin:0;color:var(--muted);font-size:11px;line-height:1.7}
.evidence-list{margin-top:19px;border-top:1px solid var(--line)}
.evidence-link{display:grid;grid-template-columns:42px minmax(0,1fr) 20px;gap:14px;align-items:center;padding:15px 4px;border-bottom:1px solid var(--line);text-decoration:none;transition:background .18s ease,padding .18s ease}
.evidence-link:hover,.evidence-link:focus-visible{padding-left:10px;padding-right:10px;background:rgba(150,54,43,.045);outline:none}
.file-type{color:var(--red);font:700 9px/1 ui-monospace,"SFMono-Regular",Menlo,monospace}
.file-name{display:block;font:600 12px/1.5 ui-monospace,"SFMono-Regular",Menlo,monospace;word-break:break-word}
.file-desc{display:block;margin-top:3px;color:var(--muted);font-size:11px;line-height:1.55}
.file-arrow{color:var(--red);font-size:17px}
.detail-note{position:relative;z-index:1;margin:26px 0 0;padding:15px 18px;border-left:3px solid var(--red);background:rgba(150,54,43,.045);color:var(--muted);font-size:11px;line-height:1.75}
.method-note{display:grid;grid-template-columns:140px 1fr;gap:24px;margin-top:12px;padding-top:25px;border-top:1px solid var(--line-strong)}
.method-note>span{color:var(--red);font:700 9px/1.4 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.13em}
.method-note p{margin:0;color:var(--muted);font-size:11.5px;line-height:1.75}

@media (max-width:960px){
  .hero{grid-template-columns:110px 1fr;padding:34px 38px}
  .hero-mark{grid-row:1/3}
  .hero-copy{padding:20px 0 0;border-left:0;border-top:1px solid var(--line)}
  .project-section-head{grid-template-columns:1fr;gap:12px}
}
@media (max-width:1100px){.project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.project-card{min-height:390px}}
@media (max-width:760px){
  .archive-code{display:none}
  .cap-shell{padding-left:16px;padding-right:16px}
  .hero{grid-template-columns:84px 1fr;gap:20px;padding:30px 28px}
  .hero-mark img{width:86px}
  .hero-mark span{width:29px;height:29px}
  .hero h1{font-size:34px}
  .project-showcase{margin-left:7px;margin-right:7px}
  .fact-strip{grid-template-columns:repeat(2,1fr)}
  .section-head{grid-template-columns:1fr;gap:13px}
  .category-grid{grid-template-columns:1fr}
  .detail-columns{grid-template-columns:1fr}
}
@media (max-width:500px){
  .hero{display:block;padding:28px 23px}
  .hero-mark{position:absolute;top:21px;right:23px;min-height:0;opacity:.72}
  .hero-mark img{width:70px}
  .hero-mark span{display:none}
  .hero-title{padding-right:72px}
  .hero h1{font-size:31px}
  .hero-subtitle{font-size:7.5px}
  .hero-copy{margin-top:24px}
  .project-grid{grid-template-columns:1fr}
  .project-card{min-height:0}
  .fact-strip div{min-height:91px;padding:16px}
  .category-card{grid-template-columns:34px 1fr 18px;padding:23px 18px;gap:11px}
  .detail-heading{display:block}
  .status-pill{display:inline-flex;margin-top:18px}
  .evidence-head,.method-note{display:block}
  .evidence-head p,.method-note p{margin-top:10px}
  .fact-row{grid-template-columns:75px 1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}