@import url('https://fonts.googleapis.com/css2?family=Bodoni+Moda:wght@400;500;600;700&family=Jost:wght@300;400;500;600;700&display=swap');

:root{
  --ink:#1f1726;
  --ink-deep:#161020;
  --card:#2b2036;
  --plum:#56228b;
  --plum-lt:#a978d8;
  --ochre:#8b4513;
  --ochre-lt:#c9803f;
  --paper:#f3edf6;
  --mist:#c0b2cc;
  --line:rgba(192,178,204,.2);
  --r1:16px;
  --r2:22px;
  --r3:28px;
  --soft:0 20px 44px -28px rgba(0,0,0,.95);
  --serif:'Bodoni Moda',Georgia,'Songti SC',serif;
  --sans:'Jost','Helvetica Neue',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
}

*{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  overflow-x:hidden;
}

body{
  margin:0;
  padding-top:44px;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--sans);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  overflow-wrap:break-word;
}

body::before{
  content:'';
  position:fixed;
  top:-10%;
  left:0;
  right:0;
  height:120vh;
  background:
    radial-gradient(42% 38% at 78% 8%,rgba(86,34,139,.5),transparent 70%),
    radial-gradient(38% 34% at 12% 26%,rgba(139,69,19,.32),transparent 72%),
    radial-gradient(50% 40% at 50% 96%,rgba(86,34,139,.22),transparent 74%);
  pointer-events:none;
  z-index:0;
}

a{color:var(--plum-lt);text-decoration:none}
a:hover{color:var(--paper)}

p{margin:0 0 1.1em}

h1,h2,h3{
  font-family:var(--serif);
  font-weight:500;
  line-height:1.14;
  letter-spacing:-.005em;
  margin:0 0 .5em;
  overflow-wrap:break-word;
}

h2{font-size:clamp(1.55rem,2.7vw,2.15rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem);color:var(--paper)}

img{max-width:100%;height:auto;display:block}

.announce{
  position:fixed;
  inset:0 0 auto 0;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0 16px;
  font-size:16px;
  letter-spacing:.06em;
  text-align:center;
  color:#f7f1fa;
  background:linear-gradient(100deg,rgba(86,34,139,.94),rgba(139,69,19,.82));
  border-bottom:1px solid rgba(255,255,255,.12);
  z-index:40;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.frame{position:relative;z-index:1;min-width:0}

.side{
  position:fixed;
  left:0;
  top:44px;
  width:248px;
  height:calc(100vh - 44px);
  padding:26px 18px 32px;
  overflow-y:auto;
  border-right:1px solid var(--line);
  background:rgba(24,17,33,.82);
  backdrop-filter:blur(6px);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  margin-bottom:20px;
  color:var(--paper);
  font-family:var(--serif);
  font-size:1.15rem;
  letter-spacing:.02em;
}

.brand-mark{
  width:16px;
  height:20px;
  border-radius:60% 40% 55% 45% / 45% 55% 40% 60%;
  background:linear-gradient(140deg,var(--plum),var(--ochre));
  flex:0 0 auto;
}

.brand-name{border-bottom:1px solid transparent}
.brand:hover .brand-name{border-bottom-color:var(--ochre-lt)}

.sidenav{display:block;min-width:0}

.grp{display:block;margin-bottom:14px}

.grp summary{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:4px 8px;
  font-size:16px;
  letter-spacing:.18em;
  color:var(--ochre-lt);
  cursor:pointer;
  list-style:none;
  border-radius:var(--r1);
}

.grp summary::-webkit-details-marker{display:none}
.grp summary:hover{color:var(--paper)}

.grp summary::before{
  content:'';
  width:6px;
  height:6px;
  margin-right:9px;
  border-radius:50%;
  background:var(--ochre-lt);
  flex:0 0 auto;
}

.grp-list{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:4px 0 0 6px;
  border-left:1px solid var(--line);
  margin-left:14px;
  min-width:0;
}

.grp-list a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:6px 10px;
  border-radius:var(--r1);
  color:var(--mist);
  font-size:16px;
  line-height:1.4;
}

.grp-list a:hover,
.grp-list a[aria-current]{background:rgba(86,34,139,.42);color:var(--paper)}

main{
  margin-left:248px;
  padding:0 clamp(18px,4vw,58px) 0;
  max-width:1180px;
  min-width:0;
}

main > div{
  padding-block:clamp(44px,6vw,86px);
  min-width:0;
}

main > div + div{border-top:1px solid var(--line)}
main > div[id]{scroll-margin-top:70px}

main p{max-width:68ch}
main ul,main ol{max-width:68ch;padding-left:1.2em}
main li{margin-bottom:.5em}
main a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
main h3{margin-top:1.6em}
main pre{max-width:100%;overflow-x:auto}
main table{display:block;max-width:100%;overflow-x:auto}
main figure{margin:1.2em 0;max-width:100%}
main blockquote{margin:1.2em 0;padding-left:16px;border-left:2px solid var(--line);color:var(--mist)}

.hero{
  display:flex;
  flex-direction:row-reverse;
  align-items:center;
  gap:clamp(22px,4.5vw,60px);
  min-height:70vh;
  padding-block:clamp(34px,7vh,80px);
  text-align:right;
}

.hero-copy{flex:1 1 auto;min-width:0}

.eyebrow{
  margin:0 0 .8em;
  font-size:16px;
  letter-spacing:.2em;
  color:var(--ochre-lt);
}

.hero h1{
  font-size:clamp(2rem,4.6vw,3.7rem);
  margin-bottom:.45em;
}

.lede{
  margin:0 0 1.5em auto;
  max-width:46ch;
  color:var(--mist);
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:12px;
  margin:0;
}

.cta{
  display:inline-flex;
  align-items:center;
  min-height:46px;
  padding:11px 26px;
  border-radius:var(--r3);
  background:linear-gradient(120deg,var(--plum),#7038a8);
  color:#fdf9ff;
  font-size:16px;
  letter-spacing:.06em;
  box-shadow:var(--soft);
  text-decoration:none;
}

.cta:hover{color:#fff;transform:translateY(-1px)}

.cta.ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--mist);
  box-shadow:none;
}

.hero-fig{
  flex:0 0 clamp(118px,19vw,215px);
  margin:0;
  max-width:100%;
  will-change:transform;
}

.hero-img,
.hero-blob{
  width:100%;
  height:auto;
  border-radius:58% 42% 46% 54% / 44% 56% 42% 58%;
  box-shadow:var(--soft);
}

.idx{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:clamp(22px,3.5vw,48px);
  align-items:start;
}

.idx-side{
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:var(--r2);
  padding:22px 20px;
  box-shadow:var(--soft);
  min-width:0;
}

.idx-side h2{font-size:1.25rem;margin-bottom:.35em}
.idx-side .subtitle{margin-bottom:1em}

.quick{list-style:none;padding:0;margin:0;max-width:none}

.quick a{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:6px 10px;
  border-radius:var(--r1);
  color:var(--mist);
  font-size:16px;
  text-decoration:none;
}

.quick a:hover{background:rgba(86,34,139,.4);color:var(--paper)}

.idx-body{min-width:0}
.idx-body h2:not(:first-child){margin-top:1.8em}

.subtitle{
  color:var(--ochre-lt);
  font-size:17px;
  line-height:1.7;
  margin-bottom:1.2em;
}

.foot{
  display:grid;
  grid-template-columns:1.25fr 1fr 1.1fr;
  gap:34px 40px;
  margin-top:clamp(40px,6vw,80px);
  padding:52px clamp(18px,4vw,58px) 26px;
  background:var(--ink-deep);
  border-top:1px solid var(--line);
}

.foot > *{min-width:0}
.foot address{font-style:normal;max-width:34ch}

.foot-brand strong{
  display:block;
  font-family:var(--serif);
  font-size:1.3rem;
  font-weight:500;
  margin-bottom:.5em;
}

.foot-brand span{color:var(--mist);font-size:16px;line-height:1.7}

.foot dl{margin:0}
.foot dt{
  font-size:16px;
  letter-spacing:.16em;
  color:var(--ochre-lt);
  margin-bottom:.4em;
}
.foot dd{margin:0}

.foot dd a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:5px 0;
  color:var(--mist);
  font-size:16px;
  text-decoration:none;
}
.foot dd a:hover{color:var(--paper)}

.foot-sub h2{font-size:1.2rem;margin-bottom:.45em}
.foot-sub p{color:var(--mist);font-size:16px;max-width:32ch}

.subform{display:flex;flex-direction:column;gap:10px;max-width:280px;min-width:0}
.subform label{font-size:16px;letter-spacing:.1em;color:var(--mist)}

.subform input{
  width:100%;
  min-width:0;
  min-height:46px;
  padding:10px 16px;
  border-radius:var(--r1);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--paper);
  font-family:var(--sans);
  font-size:16px;
}

.subform input::placeholder{color:rgba(192,178,204,.6)}

.subform button{
  min-height:46px;
  padding:10px 22px;
  border:0;
  border-radius:var(--r3);
  background:linear-gradient(120deg,var(--plum),#7038a8);
  color:#fdf9ff;
  font-family:var(--sans);
  font-size:16px;
  letter-spacing:.08em;
  cursor:pointer;
}

.foot-base{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:10px;
  padding-top:16px;
  border-top:1px solid var(--line);
}

.foot-base p{margin:0;font-size:16px;color:var(--mist)}

.foot-base ul{display:flex;flex-wrap:wrap;gap:20px;list-style:none;margin:0;padding:0;max-width:none}
.foot-base li{margin:0}

.foot-base a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:16px;
  color:var(--mist);
  text-decoration:none;
}
.foot-base a:hover{color:var(--paper)}

.js .reveal{opacity:0;transform:translateY(26px)}
.js .reveal.in{
  opacity:1;
  transform:none;
  transition:opacity .7s ease,transform .8s cubic-bezier(.2,.7,.3,1);
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero-fig{transform:none !important}
  .cta:hover{transform:none}
}

@media (max-width:880px){
  body{padding-top:0}

  body::before{
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:100%;
  }

  .announce{
    position:static;
    height:auto;
    min-height:44px;
    padding:10px 16px;
    font-size:16px;
    white-space:normal;
    line-height:1.5;
  }

  .side{
    position:static;
    width:auto;
    max-width:100%;
    height:auto;
    padding:16px 16px 12px;
    border-right:0;
    border-bottom:1px solid var(--line);
    background:rgba(24,17,33,.7);
  }

  .brand{margin-bottom:10px}

  .grp{
    display:flex;
    align-items:center;
    gap:6px;
    margin-bottom:4px;
    overflow:hidden;
    min-width:0;
  }

  .grp summary{min-height:44px;flex:0 0 auto;letter-spacing:.1em}

  .grp-list{
    flex-direction:row;
    gap:4px;
    padding:0;
    margin:0;
    border-left:0;
    overflow-x:auto;
    scrollbar-width:none;
    flex:1 1 auto;
  }

  .grp-list::-webkit-scrollbar{display:none}

  .grp-list a{min-height:44px;padding:8px 12px;white-space:nowrap}

  main{margin-left:0;padding:0 16px;max-width:100%}

  main > div{padding-block:34px}
  main > div[id]{scroll-margin-top:16px}

  .hero{
    flex-direction:column;
    align-items:flex-start;
    min-height:0;
    text-align:left;
    padding-block:26px 34px;
  }

  .hero-fig{flex:0 0 auto;width:112px;max-width:100%}
  .lede{margin-left:0;max-width:100%}
  .hero-actions{justify-content:flex-start}
  .hero h1{font-size:clamp(1.85rem,7.4vw,2.6rem)}

  .idx{grid-template-columns:1fr}
  .idx-side{padding:18px 16px}

  .foot{grid-template-columns:1fr;gap:26px;padding:36px 16px 24px}
  .foot-base{justify-content:flex-start}
  .subform{max-width:100%}
}

button[aria-expanded]{min-width:44px;min-height:44px}