:root{
  --ink:#101820;
  --paper:#FBF9F4;
  --teal:#0B5563;
  --teal-soft:#E3EDEE;
  --amber:#E9A13B;
  --amber-soft:#FAEDD6;
  --muted:#6B7280;
  --line:rgba(16,24,32,.14);
  --line-solid:#D8D3C8;
  --r:6px;
  --shadow:2px 2px 0 var(--ink);
  --shadow-soft:2px 2px 0 var(--line-solid);
  --maxw:820px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.62;
  letter-spacing:-.005em;
}
h1,h2,h3,.wordmark,.stat-n,.ruler-cap{
  font-family:"Space Grotesk",Inter,system-ui,sans-serif;
  letter-spacing:-.02em;
}
a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-head{border-bottom:1px solid var(--line);background:var(--paper)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.wordmark{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);white-space:nowrap}
.wm-mark{flex:0 0 auto;display:block;border-radius:5px}
.wm-txt{font-family:"Space Grotesk",Inter,sans-serif;font-size:18px;font-weight:500;letter-spacing:-.02em;line-height:1}
.wm-txt em{font-style:normal;font-weight:700;color:var(--teal)}
.wm-txt i{font-style:normal;color:var(--muted);font-weight:500}
.campus-nav{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.campus-nav a{
  font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 9px;border:1px solid var(--line);border-radius:var(--r);
  text-decoration:none;color:var(--muted);background:transparent;
}
.campus-nav a:hover,.campus-nav a[aria-current="page"]{color:var(--ink);border-color:var(--ink);background:#fff}

/* ---------- hero ---------- */
.hero{padding:52px 0 32px}
.eyebrow{
  font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);margin:0 0 12px;
}
.hero h1{font-size:clamp(30px,6.2vw,48px);line-height:1.08;margin:0 0 16px;font-weight:700}
.hero p.lede{font-size:19px;color:#2C3540;margin:0;max-width:62ch}

/* ---------- signature: lease ruler ---------- */
.ruler-block{margin:34px 0 0}
.ruler-cap{
  display:flex;justify-content:space-between;align-items:baseline;
  font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);margin-bottom:8px;
}
.ruler{
  position:relative;height:76px;border:1px solid var(--ink);border-radius:var(--r);
  background:#fff;box-shadow:var(--shadow);overflow:hidden;
}
.ruler-band{position:absolute;top:0;bottom:26px;left:0;right:0}
.zone{position:absolute;top:0;bottom:0;display:flex;align-items:center;justify-content:center}
.zone span{
  font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:0 6px;text-align:center;line-height:1.25;
}
.zone-none{left:0;width:25%;background:repeating-linear-gradient(45deg,#F3F1EC,#F3F1EC 5px,#EAE7E0 5px,#EAE7E0 10px);color:#8A8578}
.zone-private{left:25%;width:25%;background:var(--amber-soft);color:#8A5A12}
.zone-all{left:50%;width:50%;background:var(--teal-soft);color:var(--teal)}
.gate{position:absolute;top:0;bottom:0;width:2px;background:var(--ink)}
.gate-3{left:25%}
.gate-6{left:50%}
.ticks{position:absolute;left:0;right:0;bottom:0;height:26px;border-top:1px solid var(--line);display:flex}
.tick{flex:1;font-size:10px;color:var(--muted);display:flex;align-items:center;justify-content:flex-end;padding-right:3px;border-right:1px solid var(--line);font-variant-numeric:tabular-nums}
.tick:last-child{border-right:0}
.span-bar{
  position:absolute;top:6px;height:12px;background:var(--ink);border-radius:2px;
  transition:left .35s cubic-bezier(.2,.7,.3,1),width .35s cubic-bezier(.2,.7,.3,1);
}
.span-bar::after{
  content:attr(data-label);position:absolute;left:50%;top:-2px;transform:translate(-50%,-100%);
  font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);white-space:nowrap;
}
.ruler-note{font-size:13px;color:var(--muted);margin:10px 0 0}

/* ---------- cards ---------- */
.card{
  background:#fff;border:1px solid var(--ink);border-radius:var(--r);
  box-shadow:var(--shadow);padding:22px;
}
.card-soft{border-color:var(--line-solid);box-shadow:var(--shadow-soft)}

/* ---------- checker ---------- */
.checker{margin:40px 0 8px;scroll-margin-top:20px}
.checker h2{font-size:22px;margin:0 0 4px}
.checker .sub{font-size:14px;color:var(--muted);margin:0 0 18px}
.presets{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.preset{
  font:inherit;font-size:13px;font-weight:600;cursor:pointer;
  padding:6px 11px;border:1px solid var(--line-solid);border-radius:var(--r);
  background:var(--paper);color:var(--ink);
}
.preset:hover{border-color:var(--ink)}
.preset[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.field label{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.field input,.field select{
  font:inherit;font-size:16px;padding:10px 11px;border:1px solid var(--line-solid);
  border-radius:var(--r);background:var(--paper);color:var(--ink);width:100%;
}
.field input:focus,.field select:focus{border-color:var(--teal);background:#fff}
.field .hint{font-size:12px;color:var(--muted)}
.btn{
  font:inherit;font-family:"Space Grotesk",Inter,sans-serif;font-size:16px;font-weight:700;
  cursor:pointer;padding:12px 20px;border:1px solid var(--ink);border-radius:var(--r);
  background:var(--amber);color:var(--ink);box-shadow:var(--shadow);width:100%;
}
.btn:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:none}

/* ---------- result ---------- */
.result{margin-top:22px}
.result[hidden]{display:none}
.verdict{
  border:1px solid var(--ink);border-radius:var(--r);padding:16px 18px;margin-bottom:16px;
  background:var(--teal-soft);
}
.verdict.warn{background:var(--amber-soft)}
.verdict.stop{background:#F6E7E4}
.verdict h3{margin:0 0 6px;font-size:19px}
.verdict p{margin:0;font-size:15px}
.stamp{
  display:inline-block;font-family:"Space Grotesk",sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;padding:4px 10px;margin-bottom:10px;
  border:2px solid currentColor;border-radius:3px;transform:rotate(-1.5deg);
}
.opt-list{list-style:none;padding:0;margin:0 0 16px;border-top:1px solid var(--line)}
.opt-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 2px;border-bottom:1px solid var(--line);font-size:15px}
.opt-list .mark{font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase;flex:0 0 76px}
.opt-list .yes .mark{color:var(--teal)}
.opt-list .no .mark{color:#9A3B2C}
.opt-list .no .what{color:var(--muted)}
.opt-list .why{display:block;font-size:13px;color:var(--muted)}
.cost-table{width:100%;border-collapse:collapse;font-size:15px;margin-bottom:6px}
.cost-table th{text-align:left;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:700;padding:0 0 8px}
.cost-table td{padding:8px 0;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.cost-table td:last-child{text-align:right}
.cost-table tr.total td{border-top:2px solid var(--ink);font-weight:700}
.cost-note{font-size:13px;color:var(--muted);margin:8px 0 0}

/* ---------- prose ---------- */
.section{padding:38px 0;border-top:1px solid var(--line)}
.section h2{font-size:clamp(22px,4vw,28px);line-height:1.2;margin:0 0 14px;max-width:24ch}
.section p{margin:0 0 16px;max-width:68ch}
.section p:last-child{margin-bottom:0}

/* ---------- faq ---------- */
.faq details{border-bottom:1px solid var(--line);padding:2px 0}
.faq summary{
  cursor:pointer;list-style:none;padding:15px 28px 15px 0;position:relative;
  font-weight:600;font-size:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:13px;font-size:20px;color:var(--teal);font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:0 0 16px;font-size:15px;color:#2C3540;max-width:68ch}

/* ---------- agent slot ---------- */
.slot{margin:34px 0}
.slot .card{background:#fff}
.slot-label{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin:0 0 10px}
.agent-name{font-family:"Space Grotesk",sans-serif;font-size:21px;font-weight:700;margin:0 0 2px}
.agent-meta{font-size:14px;color:var(--muted);margin:0 0 12px;font-variant-numeric:tabular-nums}
.agent-blurb{font-size:15px;margin:0 0 16px}
.agent-cta{
  display:inline-block;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:15px;
  padding:11px 18px;border:1px solid var(--ink);border-radius:var(--r);
  background:var(--amber);color:var(--ink);text-decoration:none;box-shadow:var(--shadow);
}
.agent-cta:hover{color:var(--ink);transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.vacant p{margin:0 0 8px;font-size:15px}
.vacant p:last-child{margin-bottom:0}

/* ---------- campus grid ---------- */
.campus-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
.campus-card{
  display:block;text-decoration:none;color:var(--ink);background:#fff;
  border:1px solid var(--line-solid);border-radius:var(--r);padding:14px 16px;box-shadow:var(--shadow-soft);
}
.campus-card:hover{border-color:var(--ink);box-shadow:var(--shadow);color:var(--ink)}
.campus-card strong{display:block;font-family:"Space Grotesk",sans-serif;font-size:17px;margin-bottom:2px}
.campus-card span{font-size:13px;color:var(--muted)}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);margin-top:44px;padding:26px 0 40px;font-size:13px;color:var(--muted)}
.site-foot p{margin:0 0 8px;max-width:70ch}
.site-foot a{color:var(--muted)}

@media (max-width:640px){
  body{font-size:16px}
  .field-row{grid-template-columns:1fr;gap:0}
  .campus-grid{grid-template-columns:1fr}
  .head-in{flex-direction:column;align-items:flex-start;gap:10px}
  .campus-nav{justify-content:flex-start}
  .hero{padding:36px 0 24px}
  .zone span{font-size:9px;letter-spacing:.04em}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .btn:hover,.agent-cta:hover{transform:none}
}

/* ---------- language ---------- */
.lang-switch{
  font-family:"Space Grotesk",Inter,sans-serif;font-weight:700;
  border-color:var(--teal)!important;color:var(--teal)!important;
}
.lang-switch:hover{background:var(--teal)!important;color:#fff!important;border-color:var(--teal)!important}
.preset-note{font-size:13px;color:var(--muted);margin:-8px 0 16px}

html[lang^="zh"] body{
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.78;letter-spacing:0;
}
html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3{
  font-family:"Space Grotesk","Noto Sans SC","PingFang SC",sans-serif;
  letter-spacing:0;line-height:1.32;
}
html[lang^="zh"] .hero h1{font-size:clamp(27px,5.6vw,42px)}
html[lang^="zh"] .section h2{max-width:20ch}
html[lang^="zh"] .section p,html[lang^="zh"] .faq details p{max-width:40em}
html[lang^="zh"] .hero p.lede{max-width:34em}
html[lang^="zh"] .eyebrow,html[lang^="zh"] .slot-label,html[lang^="zh"] .field label,
html[lang^="zh"] .ruler-cap,html[lang^="zh"] .opt-list .mark,html[lang^="zh"] .cost-table th{
  letter-spacing:.04em;
}
html[lang^="zh"] .zone span{letter-spacing:0;font-size:10px}
html[lang^="zh"] .stamp{letter-spacing:.06em}
html[lang^="zh"] .campus-nav a{letter-spacing:.02em}
@media (max-width:640px){
  html[lang^="zh"] .zone span{font-size:9px}
}

/* ================= visual blocks ================= */
.vis{margin:4px 0 22px}
.vis-kicker{
  font-family:"Space Grotesk",Inter,sans-serif;font-size:15px;font-weight:700;
  margin:0 0 4px;color:var(--ink);
}
.vis-sub{font-size:13px;color:var(--muted);margin:0 0 16px}
.vis-kicker + .cost-chart,.vis-kicker + .gate-pair,.vis-kicker + .cmp-grid,
.vis-kicker + .steps,.vis-kicker + .tl,.vis-kicker + .routes{margin-top:16px}
.vis-foot{font-size:14px;color:var(--muted);margin:14px 0 0;max-width:56ch}

/* gates */
.gate-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gate-col{
  background:#fff;border:1px solid var(--ink);border-radius:var(--r);
  box-shadow:var(--shadow);padding:18px 18px 16px;position:relative;overflow:hidden;
}
.gate-col::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--amber)}
.gate-col:last-child::before{background:var(--teal)}
.gate-n{
  font-family:"Space Grotesk",sans-serif;font-size:64px;font-weight:700;line-height:.9;
  display:inline-block;color:var(--ink);
}
.gate-u{font-size:14px;color:var(--muted);margin-left:6px}
.gate-col strong{display:block;font-size:15px;margin:10px 0 4px}
.gate-col p{margin:0;font-size:13px;color:var(--muted);line-height:1.5}

/* comparison */
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cmp-card{border:1px solid var(--ink);border-radius:var(--r);padding:16px;box-shadow:var(--shadow)}
.cmp-card.ok{background:var(--teal-soft)}
.cmp-card.no{background:#F3F1EC;color:#6B6558}
.cmp-name{font-weight:700;font-size:15px;margin:0 0 10px}
.cmp-n{font-family:"Space Grotesk",sans-serif;font-size:38px;font-weight:700;margin:0;line-height:1}
.cmp-n span{font-size:13px;font-weight:500;color:var(--muted);margin-left:5px}
.cmp-v{font-size:13px;margin:8px 0 0;font-weight:600}
.cmp-card.ok .cmp-v{color:var(--teal)}
.cmp-card.no .cmp-v{color:#9A3B2C}

/* cost chart */
.cost-chart{border-top:1px solid var(--line)}
.cost-row{
  display:grid;grid-template-columns:1fr 130px auto;align-items:center;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--line);
}
.cost-lab{font-size:14px}
.cost-bar{height:11px;background:var(--teal);border-radius:2px;display:block;min-width:4px}
.cost-row:nth-child(2) .cost-bar{background:var(--amber)}
.cost-row:nth-child(3) .cost-bar{background:var(--muted)}
.cost-row:nth-child(4) .cost-bar{background:#9A8FA6}
.cost-val{font-size:14px;font-variant-numeric:tabular-nums;text-align:right;font-weight:600}
.cost-callout{
  margin-top:16px;background:var(--ink);color:var(--paper);border-radius:var(--r);
  padding:16px 18px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
}
.cost-callout strong{font-family:"Space Grotesk",sans-serif;font-size:32px;font-weight:700;color:var(--amber);line-height:1;margin-right:4px}
.cost-callout span{font-size:14px;opacity:.85}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.steps li{
  display:flex;gap:12px;background:#fff;border:1px solid var(--line-solid);
  border-radius:var(--r);padding:14px 15px;box-shadow:var(--shadow-soft);
}
.step-n{
  font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:700;color:var(--amber);
  flex:0 0 auto;padding-top:1px;margin-right:4px;
}
.steps strong{display:block;font-size:15px;margin-bottom:3px}
.steps p{margin:0;font-size:13px;color:var(--muted);line-height:1.55}

/* timeline */
.tl{border:1px solid var(--ink);border-radius:var(--r);background:#fff;padding:16px;box-shadow:var(--shadow)}
.tl-row{display:grid;grid-template-columns:110px 1fr;align-items:center;gap:12px;margin-bottom:10px}
.tl-row:last-child{margin-bottom:0}
.tl-lab{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.tl-bar{
  display:flex;align-items:center;padding:0 12px;height:34px;border-radius:3px;
  font-size:12px;font-weight:600;white-space:nowrap;
}
.tl-sem{background:var(--teal-soft);color:var(--teal);border:1px solid var(--teal)}
.tl-lease{background:var(--amber);color:#5C3A05;border:1px solid var(--ink)}

/* routes */
.routes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.route{
  background:#fff;border:1px solid var(--line-solid);border-radius:var(--r);
  padding:14px 15px;box-shadow:var(--shadow-soft);
}
.route.mid{border-color:var(--amber)}
.route.high{border-color:var(--line-solid);background:#F6F4EF}
.chip{
  display:inline-block;font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  padding:3px 8px;border-radius:99px;margin-bottom:9px;
  background:var(--teal-soft);color:var(--teal);
}
.route.mid .chip{background:var(--amber-soft);color:#8A5A12}
.route.high .chip{background:#EAE7E0;color:#7A7466}
.route strong{display:block;font-size:15px;margin-bottom:4px;line-height:1.3}
.route p{margin:0;font-size:13px;color:var(--muted);line-height:1.55}

/* collapsed prose */
.prose{border-top:1px solid var(--line);margin-top:22px}
.prose summary{
  cursor:pointer;list-style:none;padding:13px 0 0;font-size:13px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--teal);
}
.prose summary::-webkit-details-marker{display:none}
.prose summary::after{content:" ↓";font-weight:400}
.prose[open] summary::after{content:" ↑"}
.prose-in{padding-top:14px}
.prose-in p{margin:0 0 16px;max-width:68ch;font-size:16px;color:#2C3540}
.prose-in p:last-child{margin-bottom:0}

@media (max-width:640px){
  .gate-pair,.cmp-grid,.steps{grid-template-columns:1fr}
  .routes{grid-template-columns:1fr}
  .cost-row{grid-template-columns:1fr auto;gap:8px}
  .cost-bar{grid-column:1/-1;width:100%!important;max-width:none}
  .tl-row{grid-template-columns:1fr;gap:5px}
  .gate-n{font-size:52px}
  .wm-txt{font-size:16px}
}
html[lang^="zh"] .prose summary,html[lang^="zh"] .chip,html[lang^="zh"] .tl-lab{letter-spacing:.03em}
html[lang^="zh"] .routes strong,html[lang^="zh"] .steps strong{line-height:1.4}

/* ================= agents page ================= */
.slot-avail{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-top:26px}
.slot-avail-lab{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-right:4px}
.slot-chip{
  font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:700;
  padding:5px 12px;border:1px solid var(--ink);border-radius:99px;
  background:var(--amber);color:var(--ink);
}
.slot-chip.taken{background:#EAE7E0;color:#8A8578;border-color:var(--line-solid);text-decoration:line-through}
.price-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.price-card{
  background:#fff;border:1px solid var(--line-solid);border-radius:var(--r);
  padding:20px;box-shadow:var(--shadow-soft);
}
.price-card.founding{border-color:var(--ink);box-shadow:var(--shadow);background:var(--amber-soft)}
.price-n{font-family:"Space Grotesk",sans-serif;font-size:42px;font-weight:700;line-height:1;display:block}
.price-card p{margin:8px 0 0;font-size:13px;color:var(--muted);line-height:1.5}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:640px){.price-pair,.two-col{grid-template-columns:1fr}}