@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ===== 变量 ===== */
:root {
  --c-primary: #ff0080;
  --c-secondary: #ff00ff;
  --c-dark: #26171f;
  --c-dark2: #1a0f16;
  --c-dark3: #33202c;
  --c-text: #f0e6ee;
  --c-text-muted: #c4a8bb;
  --c-border: rgba(255, 0, 128, 0.2);
  --c-card-bg: rgba(38, 23, 31, 0.85);
  --c-glass: rgba(255, 0, 128, 0.08);
  --font-head: 'Space Grotesk', 'DM Sans', system-ui, sans-serif;
  --font-body: 'DM Sans', 'Space Grotesk', system-ui, sans-serif;
  --radius: 4px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(255, 0, 128, 0.18), 0 1px 4px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(255, 0, 255, 0.3);
  --header-h: 72px;
  --max-w: 1200px;
  --content-max: 780px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background-color: var(--c-dark2);
  color: var(--c-text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-secondary); }
ol, ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ===== Aurora Background ===== */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.aurora-bg--dim { opacity: 0.6; }
.aurora-layer {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  mix-blend-mode: screen;
  animation: aurora-drift 12s ease-in-out infinite alternate;
}
.aurora-layer.a1 {
  width: 70vw; height: 60vh;
  background: radial-gradient(ellipse, rgba(255,0,128,0.45) 0%, transparent 70%);
  top: -20%; left: -10%;
  animation-duration: 14s;
}
.aurora-layer.a2 {
  width: 60vw; height: 70vh;
  background: radial-gradient(ellipse, rgba(255,0,255,0.35) 0%, transparent 70%);
  bottom: -20%; right: -10%;
  animation-duration: 18s;
  animation-direction: alternate-reverse;
}
.aurora-layer.a3 {
  width: 50vw; height: 50vh;
  background: radial-gradient(ellipse, rgba(200,0,255,0.25) 0%, transparent 70%);
  top: 30%; left: 35%;
  animation-duration: 22s;
}
@keyframes aurora-drift {
  0% { transform: translate(0,0) scale(1); }
  50% { transform: translate(5vw, 3vh) scale(1.08); }
  100% { transform: translate(-3vw, 6vh) scale(0.95); }
}
@media (prefers-reduced-motion: reduce) {
  .aurora-layer { animation: none; }
}

/* ===== Layout helpers ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 1;
}
.content-with-aside {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  align-items: start;
}
.content-main { min-width: 0; }

/* ===== Header & Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: linear-gradient(135deg, rgba(38,23,31,0.96) 60%, rgba(80,0,50,0.92) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 2px 20px rgba(255,0,128,0.12);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
}
.main-nav { width: 100%; }
.main-nav > ol {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.main-nav > ol > li > a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 1rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 600;
  color: var(--c-text-muted);
  border: 1px solid transparent;
  transition: color .2s, border-color .2s, background .2s, box-shadow .2s;
  white-space: nowrap;
}
.main-nav > ol > li > a:hover {
  color: var(--c-primary);
  border-color: var(--c-primary);
  background: rgba(255,0,128,0.08);
  box-shadow: 0 0 12px rgba(255,0,128,0.2);
}
.nav-brand { flex: 0 0 auto; }
.brand-link {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .3rem .8rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  box-shadow: var(--shadow-glow);
  transition: box-shadow .2s;
}
.brand-link:hover { box-shadow: 0 0 30px rgba(255,0,255,0.5); }
.logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  letter-spacing: -.01em;
}
.logo-img { height: 36px; width: auto; }
.logo-mark { height: 28px; width: auto; }

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 2rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(255,0,128,0.4);
  transition: transform .2s, box-shadow .2s;
  border: none;
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,0,128,0.5);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 1.75rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--c-primary);
  color: var(--c-primary);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  transition: background .2s, color .2s, box-shadow .2s;
}
.btn-ghost:hover {
  background: rgba(255,0,128,0.12);
  color: var(--c-secondary);
  box-shadow: 0 0 16px rgba(255,0,255,0.3);
}
.btn-ghost--sm { height: 40px; padding: 0 1.25rem; font-size: .9rem; }

/* ===== Hero (Home) ===== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 8rem;
  overflow: hidden;
}
.hero-bg-mesh {
  position: absolute;
  inset: 0;
  background:
    conic-gradient(from 200deg at 70% 40%, rgba(255,0,128,0.5) 0deg, rgba(255,0,255,0.4) 60deg, rgba(100,0,200,0.3) 120deg, transparent 240deg),
    radial-gradient(ellipse 80% 60% at 65% 45%, rgba(255,0,128,0.35) 0%, transparent 70%);
  animation: mesh-shift 16s ease-in-out infinite alternate;
  z-index: 0;
}
@keyframes mesh-shift {
  0% { background-position: 0% 0%; filter: hue-rotate(0deg); }
  100% { background-position: 100% 100%; filter: hue-rotate(30deg); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-bg-mesh { animation: none; }
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
  text-align: right;
}
.hero-badge {
  display: inline-flex;
  margin-bottom: 1.5rem;
}
.hero-badge > span {
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  color: #fff;
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 700;
  padding: .3rem 1rem;
  border-radius: var(--radius-pill);
  letter-spacing: .08em;
  text-transform: uppercase;
  box-shadow: 0 0 20px rgba(255,0,128,0.5);
}
.hero-h1 {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #fff 0%, var(--c-secondary) 60%, var(--c-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--c-text-muted);
  max-width: 500px;
  margin-left: auto;
  margin-bottom: 2rem;
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.hero-skew {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: var(--c-dark2);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0% 100%);
  z-index: 3;
}
.hero-skew--sm { height: 60px; }
.hero-skew--xs { height: 40px; }

/* ===== Sections ===== */
.channels-section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}
.articles-section {
  position: relative;
  z-index: 1;
  padding: 4rem 0 5rem;
  background: rgba(38,23,31,0.5);
}
.content-section {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
}
.section-title {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.section-title > span {
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 1.4em;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-secondary));
  flex-shrink: 0;
}
.section-title--sm { font-size: 1.3rem; margin-bottom: 1.25rem; }

/* ===== Channel Cards ===== */
.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}
.ch-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: transform .2s, box-shadow .2s, border-color .2s;
  overflow: hidden;
}
.ch-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-primary);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}
.ch-card__link {
  display: block;
  padding: 1.5rem;
  color: var(--c-text);
}
.ch-card__link:hover { color: var(--c-text); }
.ch-card__title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .5rem;
  color: #fff;
}
.ch-card__title > span { color: #fff; }
.ch-card__desc {
  font-size: .9rem;
  color: var(--c-text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}
.ch-card__cta {
  font-size: .85rem;
  font-weight: 600;
  color: var(--c-primary);
  font-family: var(--font-head);
}

/* ===== Article Cards ===== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.art-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: transform .2s, border-color .2s;
}
.art-card:hover { transform: translateY(-3px); border-color: rgba(255,0,255,0.4); }
.art-card > a {
  display: block;
  padding: 1.25rem;
  color: var(--c-text);
}
.art-card > a:hover { color: var(--c-text); }
.art-card__title {
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: .4rem;
  line-height: 1.4;
}
.art-card__title > span { color: #fff; }
.art-card__desc { font-size: .85rem; color: var(--c-text-muted); line-height: 1.5; margin-bottom: .5rem; }
.art-card__date { font-size: .78rem; color: var(--c-primary); font-family: var(--font-head); }

/* ===== Channel Page Hero ===== */
.ch-hero {
  position: relative;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  background: linear-gradient(135deg, rgba(38,23,31,0.9) 0%, rgba(80,0,60,0.7) 100%);
  overflow: hidden;
}
.ch-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 30% 50%, rgba(255,0,128,0.2) 0%, transparent 70%);
}
.ch-hero__h1 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: .75rem;
  background: linear-gradient(135deg, #fff, var(--c-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ch-hero__desc { font-size: 1.05rem; color: var(--c-text-muted); max-width: 600px; }

/* ===== Channel Children ===== */
.ch-content-section { padding: 3rem 0 4rem; position: relative; z-index: 1; }
.ch-children { margin-top: 2.5rem; }
.ch-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}
.ch-item {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: transform .2s, border-color .2s;
}
.ch-item:hover { transform: translateY(-3px); border-color: var(--c-primary); }
.ch-item__link { display: block; padding: 1.25rem; color: var(--c-text); }
.ch-item__link:hover { color: var(--c-text); }
.ch-item__title { font-family: var(--font-head); font-size: .95rem; font-weight: 600; color: #fff; margin-bottom: .4rem; }
.ch-item__title > span { color: #fff; }
.ch-item__desc { font-size: .85rem; color: var(--c-text-muted); line-height: 1.5; margin-bottom: .6rem; }
.ch-item__date { display: block; font-size: .78rem; color: var(--c-primary); margin-bottom: .5rem; }
.ch-item__cta { font-size: .82rem; font-weight: 600; color: var(--c-secondary); font-family: var(--font-head); }

/* ===== Table ===== */
.tbl-wrap { overflow-x: auto; margin-top: 1rem; border-radius: var(--radius); }
.ch-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
}
.ch-table th {
  background: linear-gradient(90deg, rgba(255,0,128,0.2), rgba(255,0,255,0.15));
  color: var(--c-primary);
  font-family: var(--font-head);
  font-weight: 700;
  padding: .75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.ch-table td {
  padding: .7rem 1rem;
  border-bottom: 1px solid rgba(255,0,128,0.08);
  color: var(--c-text);
  vertical-align: top;
}
.ch-table tbody tr:hover { background: rgba(255,0,128,0.06); }
.tbl-title a { color: #fff; font-weight: 600; }
.tbl-title a:hover { color: var(--c-primary); }
.tbl-desc { color: var(--c-text-muted); }
.tbl-date { white-space: nowrap; color: var(--c-text-muted); font-size: .82rem; }

/* ===== Article Page ===== */
.art-page {}
.art-header-section {
  position: relative;
  padding: calc(var(--header-h) + 2.5rem) 0 3.5rem;
  background: linear-gradient(135deg, rgba(38,23,31,0.95) 0%, rgba(80,0,60,0.75) 100%);
  overflow: hidden;
}
.art-header-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 20% 60%, rgba(255,0,128,0.18) 0%, transparent 70%);
}
.art-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: .75rem;
  color: #fff;
}
.art-meta { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: .5rem; }
.art-date { font-size: .85rem; color: var(--c-primary); font-family: var(--font-head); font-weight: 600; }
.art-date--mod { color: var(--c-text-muted); }
.art-hero-img-wrap { margin-top: 1.5rem; border-radius: var(--radius); overflow: hidden; }
.art-hero-img { width: 100%; height: auto; border-radius: var(--radius); }
.art-body-section { padding: 3rem 0 4rem; position: relative; z-index: 1; }
.art-prose {}
.art-footer-nav { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== Static pages (about/privacy) ===== */
.static-hero {
  position: relative;
  padding: calc(var(--header-h) + 2.5rem) 0 3.5rem;
  background: linear-gradient(135deg, rgba(38,23,31,0.95) 0%, rgba(60,0,50,0.8) 100%);
  overflow: hidden;
}
.static-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: .75rem;
}
.static-lead { font-size: 1.05rem; color: var(--c-text-muted); max-width: 600px; }
.static-body { padding: 3rem 0 4rem; position: relative; z-index: 1; }

/* ===== Breadcrumb ===== */
.breadcrumb {
  font-size: .82rem;
  color: var(--c-text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb span { color: var(--c-text-muted); }

/* ===== Prose ===== */
.prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-text);
  max-width: var(--content-max);
}
.prose h2, .prose h3, .prose h4 {
  font-family: var(--font-head);
  font-weight: 700;
  color: #fff;
  margin-top: 2em;
  margin-bottom: .6em;
}
.prose h2 { font-size: 1.4rem; }
.prose h3 { font-size: 1.15rem; }
.prose p { margin-bottom: 1em; }
.prose a { color: var(--c-primary); border-bottom: 1px solid rgba(255,0,128,0.3); }
.prose a:hover { color: var(--c-secondary); border-color: var(--c-secondary); }
.prose ul, .prose ol { padding-left: 1.5em; margin-bottom: 1em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .4em; }
.prose strong { color: #fff; font-weight: 700; }
.prose blockquote {
  border-left: 3px solid var(--c-primary);
  padding-left: 1rem;
  color: var(--c-text-muted);
  font-style: italic;
  margin: 1.5em 0;
}
.prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.prose table th { background: rgba(255,0,128,0.15); color: var(--c-primary); padding: .6rem .8rem; text-align: left; border: 1px solid var(--c-border); }
.prose table td { padding: .6rem .8rem; border: 1px solid var(--c-border); }
.prose code { background: rgba(255,0,128,0.12); border-radius: 3px; padding: .1em .4em; font-size: .9em; color: var(--c-secondary); }
.prose pre { background: rgba(20,5,15,0.9); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1rem; overflow-x: auto; margin: 1.5em 0; }
.prose pre code { background: none; padding: 0; }

/* ===== Aside ===== */
.content-aside {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}
.aside-block {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}
.aside-title {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.aside-title > span { color: var(--c-primary); }
.aside-nav { display: flex; flex-direction: column; gap: .4rem; }
.aside-nav li a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: .3rem 0;
  font-size: .88rem;
  color: var(--c-text-muted);
  border-bottom: 1px solid rgba(255,0,128,0.08);
  transition: color .2s;
}
.aside-nav li:last-child a { border-bottom: none; }
.aside-nav li a:hover { color: var(--c-primary); }
.aside-notice p { font-size: .85rem; color: var(--c-text-muted); line-height: 1.5; }

/* ===== Footer ===== */
.site-footer { position: relative; z-index: 1; margin-top: 0; }
.footer-cta {
  background: linear-gradient(135deg, rgba(255,0,128,0.15) 0%, rgba(255,0,255,0.1) 100%);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 3rem 0;
  text-align: center;
}
.footer-cta__title {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: .5rem;
}
.footer-cta__title > span {
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-cta__desc { color: var(--c-text-muted); margin-bottom: 1.5rem; }
.footer-body { padding: 2.5rem 0; background: var(--c-dark2); }
.footer-cols {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
}
.footer-brand .footer-logo { margin-bottom: .75rem; }
.footer-about { font-size: .9rem; color: var(--c-text-muted); line-height: 1.6; }
.footer-links__title {
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 700;
  color: var(--c-primary);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .75rem;
}
.footer-links__title > span { color: var(--c-primary); }
.footer-nav { display: flex; flex-direction: column; gap: .3rem; }
.footer-nav li a {
  display: flex;
  align-items: center;
  min-height: 40px;
  font-size: .88rem;
  color: var(--c-text-muted);
  transition: color .2s;
  border-bottom: 1px solid rgba(255,0,128,0.06);
}
.footer-nav li:last-child a { border-bottom: none; }
.footer-nav li a:hover { color: var(--c-primary); }
.footer-bottom {
  background: var(--c-dark);
  border-top: 1px solid var(--c-border);
  padding: 1.25rem 0;
  text-align: center;
}
.footer-copy { font-size: .82rem; color: var(--c-text-muted); }
.footer-copy a { color: var(--c-text-muted); }
.footer-copy a:hover { color: var(--c-primary); }

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== Mobile ===== */
@media (max-width: 900px) {
  .content-with-aside {
    grid-template-columns: 1fr;
  }
  .content-aside {
    position: static;
  }
  .footer-cols { grid-template-columns: 1fr; gap: 2rem; }
  .channels-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}

@media (max-width: 680px) {
  :root { --header-h: 64px; }
  .main-nav > ol { gap: .25rem; }
  .main-nav > ol > li > a { padding: 0 .6rem; font-size: .76rem; height: 40px; }
  .hero-section { min-height: 100svh; }
  .hero-h1 { font-size: clamp(1.8rem, 9vw, 3rem); }
  .hero-sub { font-size: 1rem; }
  .hero-actions { justify-content: center; }
  .hero-inner { text-align: center; }
  .hero-badge { justify-content: center; }
  .hero-sub { margin-left: 0; margin-right: 0; }
  .ch-hero__h1 { font-size: 1.6rem; }
  .art-h1 { font-size: 1.5rem; }
  .static-h1 { font-size: 1.6rem; }
  .articles-grid { grid-template-columns: 1fr; }
  .ch-items-grid { grid-template-columns: 1fr; }
  .footer-cta__title { font-size: 1.3rem; }
  .footer-cols { grid-template-columns: 1fr; }
  .prose { font-size: 1rem; }
  .ch-table th, .ch-table td { padding: .5rem .65rem; font-size: .82rem; }
}

@media (max-width: 400px) {
  .main-nav > ol > li.nav-brand { order: -1; flex-basis: 100%; text-align: center; }
  .main-nav > ol { justify-content: center; padding: .4rem 0; }
}