*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg,video,picture{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:root{
  --ink:#101A2B;
  --ink-deep:#0A121F;
  --panel:#1B2A40;
  --gold:#D4A24C;
  --gold-hot:#E7C778;
  --copper:#8A6524;
  --jade:#2E8B7A;
  --clay:#C4553B;
  --cream:#E8E2D6;
  --mist:#A7B0BF;
  --line:#46566E;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",Consolas,monospace;
  --shell-w:1400px;
  --gutter:clamp(16px,3.2vw,32px);
  --header-h:74px;
  --ease:cubic-bezier(.22,1,.36,1);
}
body{
  background-color:var(--ink);
  color:var(--cream);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{font-weight:800;line-height:1.15;color:var(--cream)}
h1{font-size:clamp(2.4rem,6vw,5.2rem);letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,3.6vw,3rem);letter-spacing:-.015em}
h3{font-size:1.35rem;letter-spacing:-.01em;line-height:1.35}
h4{font-size:1.05rem;letter-spacing:-.005em;line-height:1.4}
strong{font-weight:700;color:var(--cream)}
::selection{background:var(--gold);color:var(--ink-deep)}
:focus{outline:none}
:focus-visible{outline:2px solid var(--gold-hot);outline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold-hot);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.shell{width:100%;max-width:var(--shell-w);margin-inline:auto;padding-inline:var(--gutter)}
#main-content{padding-top:var(--header-h);outline:none}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:600}
.idx{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase}
.display-num{
  display:block;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(4.5rem,12vw,11rem);
  font-weight:600;
  line-height:.86;
  letter-spacing:-.04em;
  color:var(--gold);
}
.skip-link{
  position:absolute;left:14px;top:-80px;z-index:120;
  padding:11px 20px;
  background:var(--gold);color:var(--ink-deep);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}
/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background-color:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .28s var(--ease),border-color .28s var(--ease);
}
.site-header[data-scrolled="true"]{
  background-color:var(--ink-deep);
  border-bottom-color:var(--copper);
}
.site-header__inner{
  display:flex;align-items:center;gap:20px;
  min-height:var(--header-h);
}
.site-header__progress{
  position:absolute;left:0;bottom:0;width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--copper),var(--gold) 55%,var(--gold-hot));
  pointer-events:none;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:0}
.brand__mark{
  font-size:1.06rem;font-weight:800;letter-spacing:-.01em;
  color:var(--cream);white-space:nowrap;
}
.brand__mark::before{
  content:"";display:inline-block;width:9px;height:9px;margin-right:9px;
  background:linear-gradient(135deg,var(--gold),var(--gold-hot));
  vertical-align:1px;
}
.brand__lockup{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--mist);white-space:nowrap;
  padding-left:12px;border-left:1px solid var(--copper);
}
.site-header__state{
  margin-left:auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--mist);white-space:nowrap;
}
.site-nav{margin-left:6px}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__link{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:11px;
  font-size:13.5px;line-height:1.4;color:var(--mist);
  border-bottom:1px solid transparent;
  white-space:nowrap;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.site-nav__link:hover{color:var(--cream)}
.site-nav__link[aria-current="page"]{color:var(--cream);border-bottom-color:var(--gold)}
.site-nav__idx{font-family:var(--font-mono);font-size:10px;color:var(--copper)}
.site-nav__link[aria-current="page"] .site-nav__idx{color:var(--gold)}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;flex:0 0 auto;
  border:1px solid var(--copper);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--gold)}
.nav-toggle__bar{
  display:block;width:16px;height:1px;background:var(--gold);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* ---------- footer ---------- */
.site-footer{
  margin-top:clamp(64px,10vw,120px);
  background-color:var(--ink-deep);
  border-top:1px solid var(--copper);
  padding-block:clamp(40px,6vw,64px) 26px;
  color:var(--mist);
  font-size:14px;
}
.site-footer__inner{
  display:grid;
  grid-template-columns:minmax(200px,1fr) 2.4fr;
  gap:clamp(28px,4vw,56px);
  padding-bottom:clamp(28px,4vw,44px);
  border-bottom:1px solid var(--line);
}
.site-footer__mark{
  font-size:1.28rem;font-weight:800;letter-spacing:-.01em;color:var(--cream);
}
.site-footer__mark::before{
  content:"";display:inline-block;width:9px;height:9px;margin-right:9px;
  background:linear-gradient(135deg,var(--gold),var(--gold-hot));
  vertical-align:1px;
}
.site-footer__lockup{
  margin-top:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--mist);
}
.site-footer__claim{
  margin-top:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--gold);
}
.site-footer__cols{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,36px);
}
.site-footer__col-title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--gold);margin-bottom:16px;
}
.site-footer__list{display:grid;gap:9px}
.site-footer__list a,.site-footer__list span{
  font-size:13.5px;line-height:1.5;color:var(--mist);
  overflow-wrap:anywhere;
  transition:color .2s var(--ease);
}
.site-footer__list a:hover{color:var(--gold-hot)}
.site-footer__base{
  display:flex;flex-wrap:wrap;gap:14px 40px;
  justify-content:space-between;align-items:flex-start;
  padding-top:24px;
}
.site-footer__note{max-width:62ch;font-size:12.5px;line-height:1.7;color:var(--mist)}
.site-footer__copy{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--copper);
}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  border:1px solid var(--copper);
  color:var(--cream);background-color:transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{border-color:var(--gold);color:var(--gold-hot)}
.btn--primary{
  background-image:linear-gradient(135deg,var(--gold),var(--gold-hot));
  border-color:transparent;color:var(--ink-deep);font-weight:700;
}
.btn--primary:hover{color:var(--ink-deep);border-color:transparent;filter:brightness(1.06)}
.btn--ghost{background-color:var(--panel);border-color:var(--line);color:var(--mist)}
.btn--ghost:hover{color:var(--cream);border-color:var(--gold)}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}
/* ---------- breadcrumb ---------- */
.breadcrumb{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--mist);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:baseline}
.breadcrumb li{display:flex;align-items:baseline;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--copper)}
.breadcrumb a{color:var(--mist);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--gold-hot)}
.breadcrumb [aria-current="page"]{color:var(--cream)}
/* ---------- prose ---------- */
.prose{max-width:68ch;font-size:16px;line-height:1.75;color:var(--cream)}
.prose p+p{margin-top:1.1em}
.prose h2{margin-top:2em;margin-bottom:.6em}
.prose h3{margin-top:1.6em;margin-bottom:.5em}
.prose ul,.prose ol{margin-block:1.1em;padding-left:1.35em;list-style:disc}
.prose ol{list-style:decimal}
.prose li+li{margin-top:.45em}
.prose a{color:var(--gold);border-bottom:1px solid var(--copper)}
.prose a:hover{color:var(--gold-hot);border-bottom-color:var(--gold-hot)}
.prose small{font-size:13px;color:var(--mist)}
/* ---------- grid utilities ---------- */
.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--split{grid-template-columns:5fr 6fr}
.grid--split-alt{grid-template-columns:7fr 4fr}
/* ---------- bands & panels ---------- */
.band{
  position:relative;
  border-top:1px solid var(--line);
  padding-block:clamp(40px,7vw,88px);
}
.band:first-of-type{border-top:0}
.section-head{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  margin-bottom:clamp(20px,3vw,36px);
}
.section-head__idx{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--gold);
}
.panel{
  position:relative;
  background-color:var(--panel);
  border:1px solid var(--line);
  padding:clamp(20px,3vw,36px);
}
.panel--deep{background-color:var(--ink-deep);border-color:var(--copper)}
.panel--ink{background-color:var(--ink);border-color:var(--line)}
.rule{height:1px;background-color:var(--line);border:0;margin:0}
/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  border:1px solid currentColor;
  color:var(--mist);
}
.tag--gold{color:var(--gold)}
.tag--jade{color:var(--jade)}
.tag--clay{color:var(--clay)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background-color:currentColor}
/* ---------- media frames ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  background-color:var(--panel);
  background-image:linear-gradient(160deg,var(--panel) 0%,var(--ink-deep) 100%);
  border:1px solid var(--line);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(180deg,rgba(212,162,76,.10),rgba(212,162,76,0) 46%);
}
.media-frame > img,
.media-frame > picture > img,
.media-frame > video{
  width:100%;height:100%;object-fit:cover;
}
.media-frame--21x9{aspect-ratio:21/9}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--3x4{aspect-ratio:3/4}
.media-frame--tall{aspect-ratio:3/4;max-height:640px}
.media-frame__slot{
  position:absolute;inset:0;z-index:1;
  display:flex;align-items:flex-end;
  padding:14px 16px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--mist);
}
.media-frame__caption{
  margin-top:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--mist);
}
/* ---------- to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 16px;
  background-color:var(--ink-deep);
  border:1px solid var(--copper);
  color:var(--gold);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.to-top:hover{border-color:var(--gold);color:var(--gold-hot)}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:translateY(0)}
/* ---------- reveal ---------- */
[data-reveal]{
  opacity:0;transform:translateY(10px);
  transition:opacity .4s linear,transform .4s var(--ease);
}
[data-reveal][data-shown="true"]{opacity:1;transform:none}
/* ---------- responsive ---------- */
@media (max-width:1180px){
  .site-header__state{display:none}
}
@media (max-width:1024px){
  .site-nav__link{padding:11px 8px;font-size:13px}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  :root{--header-h:66px}
  .brand__lockup{display:none}
  .nav-toggle{display:flex}
  .site-nav{
    position:fixed;left:0;right:0;top:var(--header-h);
    margin:0;
    background-color:var(--ink-deep);
    border-top:1px solid var(--copper);
    border-bottom:1px solid var(--copper);
    max-height:0;overflow:hidden;
    transition:max-height .3s var(--ease);
  }
  .site-nav[data-open]{
    max-height:calc(100vh - var(--header-h));
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
  }
  .site-nav__list{
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px var(--gutter) 22px;
  }
  .site-nav__link{
    padding:15px 0;font-size:15px;
    border-bottom:1px solid rgba(70,86,110,.5);
  }
  .site-nav__link[aria-current="page"]{border-bottom-color:var(--gold)}
  .grid--2,.grid--3,.grid--split,.grid--split-alt{grid-template-columns:minmax(0,1fr)}
  .site-footer__inner{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:860px){
  .site-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .grid--4{grid-template-columns:minmax(0,1fr)}
  .site-footer__cols{grid-template-columns:minmax(0,1fr)}
  .site-footer__copy{font-size:10.5px}
  .to-top{right:14px;bottom:14px;padding:11px 13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
  .site-nav{transition:none}
}