:root{
  --ink:#071A2B;
  --ink-2:#0E2438;
  --ink-3:#122C44;
  --line:#1E3A52;
  --lake:#2FB6C8;
  --lake-soft:#7EDCE5;
  --gold:#F2C14E;
  --gold-soft:#FFE29A;
  --coral:#FF7A59;
  --mint:#5EE0B5;
  --text:#F4F8FB;
  --muted:#A9BCCB;
  --paper:#F5F1E8;
  --paper-ink:#0B2436;
  --shell:1240px;
  --pad:clamp(16px,4vw,40px);
  --gap:clamp(16px,2.4vw,28px);
  --radius:2px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-title:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
img,svg{max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}
::selection{background:var(--gold);color:#20180A}
:focus-visible{outline:2px solid #FFFFFF;outline-offset:3px}
#main-content:focus-visible{outline:2px solid var(--lake);outline-offset:-2px}

body{
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (max-width:720px){body{font-size:16px}}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.rule{height:1px;border:0;background:var(--line);margin:0}

.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}
.band{padding-block:clamp(40px,6vw,88px)}
.band--tight{padding-block:clamp(24px,3.6vw,48px)}
.stack{display:flex;flex-direction:column;gap:var(--gap)}
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:980px){.grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--lake);
}
.eyebrow::before{content:"";display:block;width:26px;height:1px;background:currentColor}
.eyebrow--gold{color:var(--gold)}

.section-title{
  font-family:var(--font-title);font-weight:800;
  font-size:clamp(26px,4vw,44px);line-height:1.1;letter-spacing:-.02em;
  color:var(--text);margin:0;
}
.lede{font-size:clamp(15px,1.5vw,18px);line-height:1.7;color:var(--muted);max-width:64ch;margin:0}
.display-num{
  display:block;font-family:var(--font-title);font-weight:800;
  font-size:clamp(56px,10vw,140px);line-height:.84;letter-spacing:-.04em;
  color:rgba(244,248,251,.12);font-variant-numeric:tabular-nums;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border:1px solid transparent;border-radius:var(--radius);
  font-family:var(--font-title);font-weight:700;font-size:14px;letter-spacing:.02em;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),
             color .18s var(--ease),transform .18s var(--ease);
}
.btn--gold{background:var(--gold);border-color:var(--gold);color:#20180A}
.btn--gold:hover{background:var(--gold-soft);border-color:var(--gold-soft);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--lake);color:var(--lake-soft);transform:translateY(-2px)}
.btn--lake{background:var(--lake);border-color:var(--lake);color:#04222A}
.btn--lake:hover{background:var(--lake-soft);border-color:var(--lake-soft);transform:translateY(-2px)}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(244,248,251,.03);color:var(--muted);
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.06em;line-height:1.6;white-space:nowrap;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}
.chip--soon{color:var(--lake);border-color:rgba(47,182,200,.45);background:rgba(47,182,200,.08)}
.chip--live{color:var(--coral);border-color:rgba(255,122,89,.5);background:rgba(255,122,89,.1)}
.chip--done{color:var(--mint);border-color:rgba(94,224,181,.45);background:rgba(94,224,181,.08)}
.chip--key{color:var(--gold);border-color:rgba(242,193,78,.5);background:rgba(242,193,78,.1)}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-title);font-weight:700;font-size:15px;
  color:var(--lake-soft);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.link-arrow::after{content:"→";transition:transform .18s var(--ease)}
.link-arrow:hover{color:var(--text);border-bottom-color:var(--lake)}
.link-arrow:hover::after{transform:translateX(4px)}

.panel{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(16px,2.4vw,28px);
  box-shadow:0 1px 0 rgba(244,248,251,.04) inset;
}

.media-frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  aspect-ratio:16/9;
  background:
    linear-gradient(155deg,#0E2438 0%,#14425C 48%,#091D2E 100%);
}
.media-frame::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(90deg,rgba(244,248,251,.06) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(0deg,rgba(244,248,251,.05) 0 1px,transparent 1px 56px);
  opacity:.7;pointer-events:none;
}
.media-frame::after{
  content:"";position:absolute;inset:auto 0 0 0;height:46%;
  background:linear-gradient(180deg,transparent,rgba(7,26,43,.82));
  pointer-events:none;
}
.media-frame > img,.media-frame > picture > img{
  position:relative;z-index:1;display:block;width:100%;height:100%;object-fit:cover;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  margin:0;padding:10px 14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--muted);
}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;padding:0;margin:0 0 20px;
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
}
.breadcrumb__sep{color:var(--line)}
.breadcrumb__link{
  color:var(--muted);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.breadcrumb__link:hover{color:var(--lake-soft);border-bottom-color:currentColor}
.breadcrumb__current{color:var(--text)}

.zone-paper{background:var(--paper);color:var(--paper-ink)}
.zone-paper .section-title{color:var(--paper-ink)}
.zone-paper .lede{color:#3E5364}
.zone-paper .rule{background:rgba(11,36,54,.16)}
.zone-paper .muted{color:#4A6070}
.zone-paper .eyebrow{color:#0C6C7C}
.zone-paper .eyebrow--gold{color:#8A6412}

.prose{
  max-width:72ch;font-size:17px;line-height:1.75;color:var(--text);
}
.prose > * + *{margin-top:1.05em}
.prose h2{
  font-family:var(--font-title);font-weight:800;letter-spacing:-.01em;
  font-size:clamp(22px,2.6vw,30px);line-height:1.24;margin-top:1.8em;
}
.prose h3{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(18px,2vw,22px);line-height:1.35;margin-top:1.5em;
}
.prose p{margin:0}
.prose ul,.prose ol{padding-left:1.3em;margin:0}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.4em}
.prose a{color:var(--lake-soft);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--text)}
.prose strong{font-weight:700}
.prose blockquote{
  margin:0;padding:4px 0 4px 18px;
  border-left:2px solid var(--lake);
  font-family:var(--font-serif);color:var(--muted);
}
.prose table{font-size:14px;font-variant-numeric:tabular-nums}
.prose th,.prose td{
  border-bottom:1px solid var(--line);
  padding:10px 12px;text-align:left;
}
.prose th{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--muted);font-weight:500;
}
.zone-paper .prose{color:var(--paper-ink)}
.zone-paper .prose a{color:#0C6C7C}
.zone-paper .prose th,.zone-paper .prose td{border-bottom-color:rgba(11,36,54,.18)}
.zone-paper .prose th{color:#4A6070}
.zone-paper .prose blockquote{color:#3E5364;border-left-color:#0C6C7C}

.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;border-radius:var(--radius);
  background:var(--gold);color:#20180A;
  font-family:var(--font-title);font-weight:700;font-size:14px;
  text-decoration:none;
  transform:translateY(-180%);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,26,43,.95);
  border-bottom:1px solid var(--line);
  color:var(--text);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,26,43,.99);
  box-shadow:0 14px 34px rgba(0,0,0,.42);
}
.header-shell{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  min-height:66px;padding-block:9px;
}

.brand{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:inherit;flex:0 0 auto;
}
.brand__mark{
  position:relative;width:34px;height:34px;flex:0 0 auto;
  border:1px solid rgba(126,220,229,.45);border-radius:var(--radius);
  background:linear-gradient(150deg,var(--lake) 0%,#17607A 55%,var(--ink-2) 100%);
  box-shadow:inset 0 0 0 1px rgba(7,26,43,.55);
}
.brand__mark::before{
  content:"";position:absolute;left:6px;right:6px;top:50%;height:2px;
  background:var(--ink);transform:translateY(-50%) rotate(-24deg);
}
.brand__mark::after{
  content:"";position:absolute;right:5px;bottom:5px;
  width:6px;height:6px;border-radius:50%;background:var(--gold);
}
.brand__text{display:flex;flex-direction:column;gap:2px;line-height:1.1}
.brand__name{
  font-family:var(--font-title);font-weight:800;font-size:15px;
  letter-spacing:.06em;color:var(--text);
  transition:color .18s var(--ease);
}
.brand__line{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  color:var(--muted);
}
.brand:hover .brand__name{color:var(--lake-soft)}

.nav{flex:1 1 auto;display:flex;justify-content:center}
.nav__list{display:flex;align-items:center;gap:clamp(4px,1vw,16px);flex-wrap:nowrap}
.nav__item{display:block}
.nav__link{
  position:relative;display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 2px;
  font-family:var(--font-title);font-weight:600;font-size:13.5px;
  letter-spacing:.02em;color:var(--muted);text-decoration:none;
  border-bottom:2px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.nav__index{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.04em;
  color:rgba(169,188,203,.55);
  transition:color .18s var(--ease);
}
.nav__link:hover,.nav__link:focus-visible{
  color:var(--text);border-bottom-color:rgba(47,182,200,.5);
}
.nav__link:hover .nav__index{color:var(--lake-soft)}
.nav__link[aria-current="page"]{
  color:var(--text);
  border-bottom-color:var(--lake);
}
.nav__link[aria-current="page"] .nav__index{color:var(--lake)}

.header-tools{
  display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;
}
.header-tools__date{
  display:flex;align-items:baseline;gap:6px;
  font-family:var(--font-mono);font-size:12px;
  font-variant-numeric:tabular-nums;color:var(--text);
  white-space:nowrap;
}
.header-tools__label{
  font-size:10px;letter-spacing:.14em;color:var(--muted);
}
.header-tools__cta{padding:9px 14px;font-size:13.5px}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 12px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(14,36,56,.9);color:var(--text);
  font-family:var(--font-title);font-weight:700;font-size:13px;
  cursor:pointer;white-space:nowrap;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--lake);color:var(--lake-soft)}
.nav-toggle__bar{
  display:block;width:16px;height:2px;background:var(--lake);
  box-shadow:0 -5px 0 var(--lake),0 5px 0 var(--lake);
  transition:background-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar{
  background:var(--gold);box-shadow:0 -5px 0 var(--gold),0 5px 0 var(--gold);
}
.nav-toggle__text{display:block}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  overflow:hidden;pointer-events:none;
}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lake) 0%,var(--lake-soft) 45%,var(--gold) 100%);
}

@media (max-width:1080px){
  .nav__index{display:none}
  .nav__link{font-size:13px}
}
@media (max-width:899px){
  .header-shell{min-height:60px;gap:10px}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;
    max-height:calc(100vh - 60px);overflow-y:auto;
    padding:6px var(--pad) 18px;
    background:var(--ink-2);
    border-bottom:1px solid var(--line);
    box-shadow:0 28px 54px rgba(0,0,0,.55);
  }
  .nav[data-open]{display:block}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__item{border-bottom:1px solid var(--line)}
  .nav__item:last-child{border-bottom:0}
  .nav__link{
    display:flex;justify-content:space-between;align-items:center;
    padding:15px 0;font-size:16px;border-bottom:0;
  }
  .nav__index{display:inline;font-size:11px;order:2}
  .nav__link[aria-current="page"]{
    border-bottom:0;color:var(--lake-soft);
  }
  .nav__link[aria-current="page"] .nav__index{color:var(--lake-soft)}
  .nav-toggle{display:inline-flex}
  .header-tools__cta{padding:8px 12px;font-size:12.5px}
}
@media (max-width:760px){
  .header-tools__date{display:none}
}
@media (max-width:520px){
  .brand__line{display:none}
  .brand__mark{width:30px;height:30px}
  .brand__name{font-size:14px}
  .nav-toggle__text{display:none}
  .nav-toggle{padding:9px 10px}
}

.site-footer{
  position:relative;overflow:hidden;
  background:var(--ink);
  border-top:1px solid var(--line);
  color:var(--muted);
  padding:clamp(36px,5.4vw,68px) 0 0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--lake) 30%,var(--gold) 70%,transparent);
  opacity:.65;
}
.footer-shell{
  display:grid;
  grid-template-columns:minmax(260px,1fr) minmax(0,1.6fr);
  gap:clamp(28px,4vw,64px);
  padding-bottom:clamp(28px,4vw,52px);
}
.footer-brand{display:flex;flex-direction:column;gap:14px;min-width:0}
.brand--footer{align-self:flex-start}
.brand--footer .brand__mark{width:38px;height:38px}
.footer-brand__note{
  font-family:var(--font-serif);font-size:15px;line-height:1.7;
  color:var(--muted);max-width:34ch;
}
.footer-contact{
  display:flex;flex-direction:column;gap:8px;
  list-style:none;padding:0;margin:0;
}
.footer-contact__item{
  display:flex;gap:10px;align-items:baseline;
  font-size:13px;line-height:1.65;color:var(--muted);
  word-break:break-word;
}
.footer-contact__label{
  flex:0 0 auto;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;
  color:rgba(169,188,203,.62);text-transform:uppercase;
}
.footer-contact__value{color:var(--text);font-size:13px}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
  align-content:start;
}
.footer-col{min-width:0}
.footer-col__title{
  margin:0 0 12px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--lake);
}
.footer-col__list{display:flex;flex-direction:column;gap:9px;list-style:none;padding:0;margin:0}
.footer-link{
  display:inline-block;
  font-family:var(--font-title);font-weight:600;font-size:14px;
  color:var(--muted);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{
  color:var(--text);border-bottom-color:var(--lake);
}

.footer-wordmark{
  font-family:var(--font-title);font-weight:800;
  font-size:clamp(34px,9vw,124px);line-height:.86;letter-spacing:-.03em;
  color:rgba(244,248,251,.055);
  text-transform:uppercase;white-space:nowrap;overflow:hidden;
  padding-inline:var(--pad);
  margin:0 0 clamp(14px,2.6vw,26px);
  user-select:none;
}

.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  padding-block:18px;
  border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.6;color:rgba(169,188,203,.8);
}
.footer-bottom__meta{margin:0;max-width:64ch}
.footer-bottom__icp{
  margin:0;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.06em;color:rgba(169,188,203,.72);white-space:nowrap;
}

.dock-cta{display:none}

@media (max-width:860px){
  .footer-shell{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:600px){
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px}
  .footer-bottom{padding-bottom:78px}
}
@media (max-width:720px){
  .dock-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;
    align-items:center;justify-content:space-between;gap:12px;
    padding:10px 16px;
    background:rgba(14,36,56,.98);
    border-top:1px solid var(--line);
    box-shadow:0 -10px 26px rgba(0,0,0,.45);
    color:var(--text);text-decoration:none;
    font-family:var(--font-title);font-weight:700;font-size:14px;
  }
  .dock-cta::after{content:"→";color:var(--gold);font-size:16px}
  .dock-cta__hint{
    order:2;margin-left:auto;
    font-family:var(--font-mono);font-size:10.5px;font-weight:400;
    letter-spacing:.06em;color:var(--muted);
  }
}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.link-arrow:hover::after{transform:none}
}