@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ── 变量 ── */
:root {
  --c-lime: #80ff00;
  --c-green: #00ff00;
  --c-dark: #1f2617;
  --c-dark2: #151a0f;
  --c-dark3: #0d1009;
  --c-lime-dim: rgba(128,255,0,0.12);
  --c-green-dim: rgba(0,255,0,0.08);
  --c-text: #e8f5d0;
  --c-text-muted: #a8c870;
  --c-border: rgba(128,255,0,0.25);
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --nav-h: 110px;
  --marquee-h: 36px;
  --radius-sm: 4px;
  --radius-md: 8px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: var(--c-dark3);
  color: var(--c-text);
}
body {
  font-family: var(--font-sans);
  line-height: 1.65;
  background: var(--c-dark3);
  overflow-x: hidden;
  min-height: 100vh;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--c-lime); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-green); }
ol, ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── scroll-margin for sticky nav ── */
div[id] {
  scroll-margin-top: calc(var(--nav-h) + var(--marquee-h) + 8px);
}

/* ── Site wrapper ── */
.site-wrapper { position: relative; }

/* ═══════════════════════════════
   HEADER
═══════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--c-dark2);
  border-bottom: 2px solid var(--c-lime);
  box-shadow: 0 0 20px rgba(128,255,0,0.15);
}

.header-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  border-bottom: 1px solid var(--c-border);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text);
}
.brand-link:hover { color: var(--c-lime); }

.brand-logo { width: 36px; height: 36px; object-fit: contain; }

.brand-name {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-lime);
  letter-spacing: -0.03em;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--c-lime);
  color: var(--c-dark3);
  padding: 2px 6px;
  border-radius: 2px;
  font-weight: 700;
  letter-spacing: .05em;
  align-self: flex-end;
  margin-bottom: 2px;
}

/* burger */
.burger-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  min-height: 44px;
  min-width: 44px;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: border-color .2s, background .2s;
}
.burger-btn:hover {
  border-color: var(--c-lime);
  background: var(--c-lime-dim);
}
.burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-lime);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.burger-btn.is-open .burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.is-open .burger-line:nth-child(2) { opacity: 0; }
.burger-btn.is-open .burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* desktop nav row */
.header-nav {
  padding: 6px 24px;
}
.header-nav ol {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
}
.header-nav ol li a {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--c-text-muted);
  padding: 8px 14px;
  min-height: 40px;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--c-border);
  letter-spacing: .03em;
  transition: background .2s, color .2s;
}
.header-nav ol li:first-child a { border-left: 1px solid var(--c-border); }
.header-nav ol li a:hover {
  background: var(--c-lime-dim);
  color: var(--c-lime);
}

/* ═══════════════════════════════
   FULLSCREEN MENU
═══════════════════════════════ */
.fullscreen-menu {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--c-dark3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}
.fullscreen-menu.is-open {
  opacity: 1;
  pointer-events: all;
}
.fullscreen-menu::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      rgba(128,255,0,0.04) 39px,
      rgba(128,255,0,0.04) 40px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 39px,
      rgba(128,255,0,0.04) 39px,
      rgba(128,255,0,0.04) 40px
    );
  pointer-events: none;
}

.menu-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--c-lime);
  padding: 10px;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: background .2s;
}
.menu-close:hover { background: var(--c-lime-dim); }

.menu-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  counter-reset: menu-counter;
  position: relative;
  z-index: 1;
}
.menu-list li {
  counter-increment: menu-counter;
}
.menu-list li a {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--c-text);
  padding: 12px 24px;
  min-height: 60px;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--c-border);
  transition: color .2s, padding-left .2s;
}
.menu-list li a::before {
  content: counter(menu-counter, decimal-leading-zero);
  font-size: 0.75rem;
  color: var(--c-lime);
  opacity: .7;
  min-width: 28px;
}
.menu-list li a:hover {
  color: var(--c-lime);
  padding-left: 36px;
}

/* stickers */
.menu-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.deco-sticker {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 700;
  background: var(--c-lime);
  color: var(--c-dark3);
  padding: 4px 10px;
  border-radius: 2px;
  font-size: 0.75rem;
  letter-spacing: .1em;
}
.deco-sticker:nth-child(1) {
  top: 12%;
  right: 8%;
  transform: rotate(-8deg);
  font-size: 1.2rem;
  animation: jitter 3s infinite;
}
.deco-sticker.sticker-2 {
  bottom: 20%;
  left: 5%;
  transform: rotate(6deg);
  background: transparent;
  color: var(--c-green);
  border: 2px solid var(--c-green);
  font-size: 1.5rem;
  animation: jitter 4s 1s infinite;
}
.deco-sticker.sticker-3 {
  top: 35%;
  right: 12%;
  background: transparent;
  color: var(--c-lime);
  font-size: 2rem;
  border: none;
  animation: jitter 2.5s 0.5s infinite;
}

/* ═══════════════════════════════
   MARQUEE
═══════════════════════════════ */
.marquee-bar {
  height: var(--marquee-h);
  background: var(--c-lime);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marqueeScroll 28s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-dark3);
  letter-spacing: .08em;
}
.marquee-track span { padding-right: 0; }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-33.333%); }
}

/* ═══════════════════════════════
   HERO
═══════════════════════════════ */
.hero-section {
  min-height: 45vh;
  background: var(--c-dark2);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 48px 24px;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--c-border);
}
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 50%, rgba(128,255,0,0.08) 0%, transparent 60%),
    repeating-linear-gradient(
      135deg,
      transparent,
      transparent 60px,
      rgba(128,255,0,0.03) 60px,
      rgba(128,255,0,0.03) 61px
    );
  pointer-events: none;
}

.hero-inner {
  max-width: 640px;
  text-align: right;
  position: relative;
  z-index: 1;
}

.hero-label {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.tag-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--c-lime);
  color: var(--c-dark3);
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: .08em;
}
.chip-alt {
  background: transparent;
  color: var(--c-lime);
  border: 1px solid var(--c-lime);
}

.hero-h1 {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-lime);
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 1rem;
  color: var(--c-text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

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

/* hero scattered stickers */
.hero-stickers {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hs {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: .1em;
}
.hs-1 {
  top: 18%;
  left: 8%;
  background: var(--c-lime);
  color: var(--c-dark3);
  padding: 3px 8px;
  border-radius: 2px;
  transform: rotate(-5deg);
  animation: jitter 3.5s 0.2s infinite;
}
.hs-2 {
  bottom: 22%;
  left: 18%;
  color: var(--c-green);
  font-size: 1.4rem;
  animation: jitter 4.5s 1s infinite;
}
.hs-3 {
  top: 55%;
  left: 5%;
  background: transparent;
  color: var(--c-lime);
  border: 2px solid var(--c-lime);
  padding: 3px 8px;
  border-radius: 2px;
  transform: rotate(4deg);
  animation: jitter 2.8s 0.7s infinite;
}

/* ═══════════════════════════════
   BUTTONS
═══════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .06em;
  background: var(--c-lime);
  color: var(--c-dark3);
  padding: 12px 24px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--c-lime);
  transition: background .2s, color .2s, transform .15s;
}
.btn-primary:hover {
  background: var(--c-green);
  border-color: var(--c-green);
  color: var(--c-dark3);
  transform: translateY(-2px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .06em;
  background: transparent;
  color: var(--c-lime);
  padding: 12px 24px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--c-border);
  transition: border-color .2s, background .2s, transform .15s;
}
.btn-ghost:hover {
  border-color: var(--c-lime);
  background: var(--c-lime-dim);
  color: var(--c-lime);
  transform: translateY(-2px);
}
.btn-lg { font-size: 1rem; padding: 16px 40px; min-height: 52px; }

/* ═══════════════════════════════
   MAIN LAYOUT
═══════════════════════════════ */
.site-main {
  width: 100%;
}

.layout-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 60vh;
  max-width: 1400px;
  margin: 0 auto;
}

/* ═══════════════════════════════
   ASIDE
═══════════════════════════════ */
.side-panel {
  background: var(--c-dark2);
  border-right: 1px solid var(--c-border);
  padding: 32px 0;
  position: sticky;
  top: calc(var(--nav-h) + var(--marquee-h));
  height: fit-content;
  max-height: calc(100vh - var(--nav-h) - var(--marquee-h));
  overflow-y: auto;
}

.aside-inner {
  padding: 0 20px;
}

.aside-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--c-lime);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

p.subtitle,
.aside-inner > p.subtitle {
  font-size: 0.72rem;
  color: var(--c-text-muted);
  margin-bottom: 16px;
  line-height: 1.4;
}

.aside-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  counter-reset: aside-counter;
  margin-bottom: 24px;
}
.aside-nav li {
  counter-increment: aside-counter;
}
.aside-nav li a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-text-muted);
  padding: 8px 10px;
  min-height: 40px;
  border-radius: var(--radius-sm);
  transition: background .2s, color .2s;
  border: 1px solid transparent;
}
.aside-nav li a::before {
  content: counter(aside-counter, decimal-leading-zero);
  font-size: 0.65rem;
  color: var(--c-lime);
  opacity: .6;
  min-width: 20px;
}
.aside-nav li a:hover {
  background: var(--c-lime-dim);
  color: var(--c-lime);
  border-color: var(--c-border);
}

.aside-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-text-muted);
  padding: 8px 10px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-green-dim);
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 6px var(--c-green);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* ═══════════════════════════════
   MAIN CONTENT
═══════════════════════════════ */
.main-content {
  min-width: 0;
  padding: 0;
}

.wrap {
  width: 100%;
}

.content-section {
  width: 100%;
}

.content-article {
  padding: 40px 40px 60px;
}

/* ── 正文内容样式 ── */
.content-article h2 {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-lime);
  margin: 48px 0 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
  letter-spacing: -0.02em;
  position: relative;
}
.content-article h2::before {
  content: '# ';
  color: var(--c-green);
  opacity: .5;
}
.content-article h2 + p.subtitle,
.content-article h2 + p {
  color: var(--c-text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.content-article h3 {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-text);
  margin: 28px 0 10px;
}
.content-article p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-text);
  margin-bottom: 16px;
}
.content-article ul,
.content-article ol {
  padding-left: 0;
  margin-bottom: 20px;
}
.content-article ul li,
.content-article ol li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text);
  padding: 4px 0 4px 20px;
  position: relative;
}
.content-article ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--c-lime);
}
.content-article ol {
  counter-reset: ol-cnt;
}
.content-article ol li {
  counter-increment: ol-cnt;
}
.content-article ol li::before {
  content: counter(ol-cnt) '.';
  position: absolute;
  left: 0;
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.content-article a {
  color: var(--c-lime);
  border-bottom: 1px dashed var(--c-border);
  transition: color .2s, border-color .2s;
}
.content-article a:hover {
  color: var(--c-green);
  border-color: var(--c-green);
}
.content-article strong { color: var(--c-lime); font-weight: 600; }
.content-article em { color: var(--c-text-muted); font-style: italic; }
.content-article code {
  font-family: var(--font-mono);
  background: var(--c-lime-dim);
  color: var(--c-lime);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.88em;
}
.content-article pre {
  background: var(--c-dark2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 20px;
}
.content-article blockquote {
  border-left: 3px solid var(--c-lime);
  padding: 12px 20px;
  margin: 20px 0;
  background: var(--c-lime-dim);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--c-text-muted);
}
.content-article table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.content-article th {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid var(--c-lime);
  color: var(--c-lime);
  background: var(--c-dark2);
}
.content-article td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text);
}
.content-article div {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px dashed var(--c-border);
}
.content-article div:last-child {
  border-bottom: none;
}

/* div 区块视觉分隔增强 */
.content-article div + div {
  position: relative;
}

/* ═══════════════════════════════
   FOOTER
═══════════════════════════════ */
.site-footer {
  background: var(--c-dark2);
  border-top: 2px solid var(--c-lime);
}

/* CTA block */
.footer-cta {
  background: var(--c-lime);
  padding: 56px 40px;
  text-align: center;
}
.cta-inner { max-width: 600px; margin: 0 auto; }
.cta-title {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--c-dark3);
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}
.footer-cta .subtitle {
  font-size: 0.95rem;
  color: var(--c-dark);
  margin-bottom: 24px;
  opacity: .8;
}
.footer-cta .btn-primary {
  background: var(--c-dark3);
  color: var(--c-lime);
  border-color: var(--c-dark3);
}
.footer-cta .btn-primary:hover {
  background: var(--c-dark2);
  border-color: var(--c-dark2);
  color: var(--c-lime);
}

/* cols */
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 40px;
  border-bottom: 1px solid var(--c-border);
}
.footer-col { padding: 0 24px; border-right: 1px solid var(--c-border); }
.footer-col:first-child { padding-left: 0; }
.footer-col:last-child { border-right: none; padding-right: 0; }

.footer-logo-text {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-lime);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.footer-brand-block p {
  font-size: 0.85rem;
  color: var(--c-text-muted);
  line-height: 1.6;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--c-lime);
  letter-spacing: .15em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.footer-nav, .footer-tips {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-nav li a {
  font-size: 0.85rem;
  color: var(--c-text-muted);
  display: block;
  padding: 5px 0;
  min-height: 32px;
  display: flex;
  align-items: center;
  transition: color .2s;
}
.footer-nav li a:hover { color: var(--c-lime); }
.footer-tips li {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  padding: 4px 0;
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.footer-tips li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--c-lime);
}

/* bottom bar */
.footer-bottom {
  padding: 16px 40px;
  text-align: center;
}
.copyright {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-text-muted);
  letter-spacing: .05em;
}

/* ═══════════════════════════════
   ANIMATIONS
═══════════════════════════════ */
@keyframes jitter {
  0%, 100% { transform: rotate(var(--rot, -5deg)) translate(0, 0); }
  20% { transform: rotate(calc(var(--rot, -5deg) + 2deg)) translate(1px, -1px); }
  40% { transform: rotate(calc(var(--rot, -5deg) - 1deg)) translate(-1px, 1px); }
  60% { transform: rotate(calc(var(--rot, -5deg) + 3deg)) translate(1px, 0); }
  80% { transform: rotate(calc(var(--rot, -5deg) - 2deg)) translate(0, 1px); }
}

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* hover micro */
.content-article h2 { transition: color .2s; }
.content-article h2:hover { color: var(--c-green); }

/* ═══════════════════════════════
   RESPONSIVE
═══════════════════════════════ */
@media (max-width: 900px) {
  .layout-body {
    grid-template-columns: 1fr;
  }
  .side-panel {
    display: none;
  }
  .footer-cols {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 24px;
  }
  .footer-col {
    border-right: none;
    padding: 0;
    border-bottom: 1px solid var(--c-border);
    padding-bottom: 24px;
  }
  .footer-col:last-child { border-bottom: none; }
}

@media (max-width: 680px) {
  .header-brand { padding: 8px 16px; }
  .header-nav { display: none; }
  .hero-section { padding: 36px 16px; min-height: 40vh; justify-content: flex-start; }
  .hero-inner { text-align: left; max-width: 100%; }
  .hero-label { justify-content: flex-start; }
  .hero-actions { justify-content: flex-start; }
  .content-article { padding: 24px 16px 40px; }
  .footer-cta { padding: 40px 16px; }
  .footer-cols { padding: 20px 16px; }
  .footer-bottom { padding: 14px 16px; }
}

@media (max-width: 400px) {
  .brand-name { font-size: 1.05rem; }
  .hero-h1 { font-size: 1.7rem; }
}

/* ═══════════════════════════════
   REDUCED MOTION
═══════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .marquee-track { animation: none; }
  .reveal { opacity: 1; transform: none; }
}

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