:root {
  --ink: #07070C;
  --ink-2: #140B2E;
  --violet: #7C3BFF;
  --violet-soft: #A579FF;
  --green: #35F0A0;
  --green-deep: #17A96C;
  --amber: #FFB020;
  --paper: #F5F6FA;
  --muted: #8E93A8;
  --indigo: #2A2F5A;
  --line: rgba(42,47,90,0.85);
  --line-soft: rgba(142,147,168,0.28);
  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1240px;
  --gutter: clamp(18px, 4vw, 44px);
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", "Roboto Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --ease: cubic-bezier(.22,.7,.28,1);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  letter-spacing: 0.004em;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--violet-soft); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--green); }

ul, ol { list-style: none; margin: 0; padding: 0; }

p { margin: 0 0 1em; max-width: 40em; }

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.12;
  color: var(--paper);
}

h1 { font-size: clamp(40px, 6vw, 84px); }
h2 { font-size: clamp(28px, 3.4vw, 44px); }
h3 { font-size: clamp(20px, 2vw, 24px); font-weight: 800; }

::selection { background: var(--violet); color: #fff; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  z-index: 999;
  background: var(--green);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; color: var(--ink); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(7,7,12,.96), rgba(20,11,46,.88));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.site-header.is-scrolled { box-shadow: 0 12px 32px rgba(0,0,0,.55); }

.site-header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto minmax(190px, 1fr);
  align-items: center;
  gap: 18px;
}

.brandmark__name {
  display: inline-block;
  font-size: 19px;
  font-weight: 900;
  color: var(--paper);
  letter-spacing: -0.01em;
}
.brandmark__name:hover { color: var(--violet-soft); }

.brandmark__route {
  margin: 2px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: none;
}
.brandmark__idx { color: var(--green); }

.cmdk__list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}
.cmdk__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.cmdk__num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--muted);
}
.cmdk__link:hover {
  background: rgba(124,59,255,.18);
  border-color: rgba(124,59,255,.5);
  color: var(--paper);
}
.cmdk__link[aria-current="page"] {
  background: var(--violet);
  border-color: var(--violet);
  color: #fff;
}
.cmdk__link[aria-current="page"] .cmdk__num { color: var(--green); }

.header-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}
.header-tools__league {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(53,240,160,.16);
}
.header-tools__follow {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--green);
  border: 1px solid var(--green);
}
.header-tools__follow:hover { background: var(--violet-soft); border-color: var(--violet-soft); color: var(--ink); }

.cmdk__hint {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--muted);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 4px 9px;
  white-space: nowrap;
}

.nav-burger {
  display: none;
  width: 42px; height: 38px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  padding: 0 11px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-burger__bar {
  display: block;
  height: 2px;
  background: var(--paper);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav-burger[aria-expanded="true"] .nav-burger__bar:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] .nav-burger__bar:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] .nav-burger__bar:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- footer ---------- */
.site-footer {
  margin-top: clamp(60px, 9vw, 120px);
  background:
    linear-gradient(180deg, rgba(20,11,46,.7), rgba(7,7,12,1)),
    var(--ink);
  border-top: 1px solid var(--line);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--violet), var(--green), transparent);
  opacity: .6;
}
.site-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 64px) var(--gutter) 40px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.footer-block {
  background: rgba(42,47,90,.22);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 20px 22px;
}
.footer-block__title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
}

.footer-index li { margin-bottom: 8px; }
.footer-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--paper);
}
.footer-index a span {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
}
.footer-index a:hover span { color: var(--green); }

.footer-contact li { margin-bottom: 10px; font-size: 14px; }
.footer-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}
.footer-mono { font-family: var(--mono); letter-spacing: .02em; }

.footer-note { font-size: 14px; color: var(--muted); max-width: 32em; }
.footer-icp { margin: 10px 0 0; }
.footer-icp a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--violet-soft);
}
.footer-stamp {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.footer-version { font-size: 14px; color: var(--paper); }
.footer-version .footer-mono { color: var(--green); }

.ticker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted);
  border-top: 1px dashed var(--line-soft);
  padding-top: 12px;
  margin-top: 6px;
}

.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

/* ---------- shared components ---------- */
.shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(32px, 5vw, 72px) var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.shell__aside { position: sticky; top: 96px; }
.shell__main > * + * { margin-top: clamp(28px, 4vw, 56px); }

.note-stack { display: grid; gap: 14px; }
.note-stack__item {
  border-left: 2px solid var(--violet);
  padding: 4px 0 4px 14px;
  font-size: 13.5px;
  color: var(--muted);
  max-width: none;
}
.note-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 4px;
}

.section-head { margin-bottom: 22px; }
.section-num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1;
  color: var(--violet);
  transition: color .6s var(--ease);
}
.section-num.is-live { color: var(--paper); }
.section-title { margin: 8px 0 6px; }
.section-kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.stage-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  color: var(--muted);
  background: rgba(42,47,90,.3);
}
.stage-badge--beta { color: var(--amber); border-color: rgba(255,176,32,.5); background: rgba(255,176,32,.1); }
.stage-badge--live { color: var(--ink); background: var(--green); border-color: var(--green); }
.stage-badge--grey { color: var(--paper); border-color: var(--violet); background: rgba(124,59,255,.22); }

.stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(42,47,90,.6);
  border: 1px solid var(--line);
  border-bottom-style: dashed;
  padding: 5px 11px;
  border-radius: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn--primary { background: var(--violet); color: #fff; }
.btn--primary:hover { background: var(--violet-soft); color: var(--ink); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--green); border-color: var(--green); }
.btn--ghost:hover { background: var(--green); color: var(--ink); transform: translateY(-2px); }
.btn--quiet { background: rgba(42,47,90,.45); color: var(--paper); border-color: var(--line); }
.btn--quiet:hover { border-color: var(--violet-soft); color: var(--violet-soft); }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.breadcrumb__item { color: var(--muted); }
.breadcrumb__item[aria-current="page"] { color: var(--green); }
.breadcrumb__sep { color: var(--indigo); }

.paper {
  background:
    linear-gradient(180deg, rgba(42,47,90,.28), rgba(20,11,46,.4));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 34px);
  position: relative;
}
.paper--inset { background: rgba(7,7,12,.55); border-style: dashed; }

.rule {
  height: 1px;
  border: 0;
  margin: clamp(24px, 4vw, 44px) 0;
  background: linear-gradient(90deg, var(--indigo), transparent);
}

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 20% 10%, rgba(124,59,255,.42), transparent 60%),
    radial-gradient(110% 80% at 90% 90%, rgba(53,240,160,.26), transparent 62%),
    linear-gradient(180deg, #0B0A18, #07070C);
  aspect-ratio: 16 / 9;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--portrait { aspect-ratio: 3 / 4; }
.media-frame > img,
.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.08) saturate(1.05);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 40%, rgba(165,121,255,.16) 52%, transparent 64%);
  animation: sweep 5.4s var(--ease) infinite;
}

@keyframes sweep {
  0%   { transform: translateX(-3%); opacity: .35; }
  50%  { transform: translateX(3%); opacity: .9; }
  100% { transform: translateX(-3%); opacity: .35; }
}

.rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--violet) transparent;
}
.rail::-webkit-scrollbar { height: 6px; }
.rail::-webkit-scrollbar-thumb { background: var(--violet); border-radius: 999px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

.tablist { display: flex; flex-wrap: wrap; gap: 8px; }
.tablist__btn {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.tablist__btn[aria-selected="true"] {
  background: var(--violet);
  border-color: var(--violet);
  color: #fff;
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .site-header__inner { grid-template-columns: auto 1fr auto; }
  .cmdk__hint { display: none; }
  .shell { grid-template-columns: 1fr; }
  .shell__aside { position: static; }
  .footer-block { padding: 18px; }
  .site-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .nav-burger { display: flex; }
  .cmdk {
    position: fixed;
    inset: 64px 0 auto 0;
    max-height: 0;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(7,7,12,.99), rgba(20,11,46,.97));
    border-bottom: 1px solid var(--line);
    transition: max-height .32s var(--ease);
  }
  .cmdk[data-open] { max-height: 80vh; overflow-y: auto; }
  .cmdk__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px var(--gutter) 22px;
  }
  .cmdk__link {
    width: 100%;
    padding: 14px 4px;
    font-size: 17px;
    border: 0;
    border-bottom: 1px dashed var(--line-soft);
    border-radius: 0;
  }
  .cmdk__link[aria-current="page"] { background: transparent; color: var(--green); border-bottom-color: var(--green); }
  .cmdk__link[aria-current="page"] .cmdk__num { color: var(--green); }
  .header-tools__league { display: none; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .header-tools__follow { padding: 7px 11px; font-size: 12px; }
  .brandmark__route { display: none; }
  .paper { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .media-frame::after { animation: none; opacity: .3; }
}