@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

/* ============================================================
   CSS RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --c-bg: #0D0D0D;
  --c-accent: #FF2D55;
  --c-cyan: #00E5FF;
  --c-surface: #161616;
  --c-surface2: #1e1e1e;
  --c-border: #2a2a2a;
  --c-text: #e8e8e8;
  --c-text-muted: #888;
  --c-text-dim: #555;
  --nav-w: 240px;
  --font-pixel: 'Press Start 2P', monospace;
  --font-vt: 'VT323', monospace;
  --font-body: var(--font-vt), 'Courier New', monospace;
  --radius: 18px;
  --radius-sm: 4px;
  --transition: 160ms ease;
}

html {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--c-cyan);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover {
  color: var(--c-accent);
}

a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

/* ============================================================
   LAYOUT WRAPPER
   ============================================================ */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================================
   HEADER / NAV — 左侧固定竖排
   header > nav > p > a
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-w);
  height: 100vh;
  background: var(--c-surface);
  border-right: 2px solid var(--c-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 16px;
  border-bottom: 2px solid var(--c-accent);
}

.site-logo-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--c-accent);
  line-height: 1.4;
  letter-spacing: 0;
  word-break: break-all;
}

.brand-name:hover {
  color: var(--c-cyan);
}

/* 导航公告条 */
.site-header::before {
  content: '成人内容·18+';
  display: block;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-pixel);
  font-size: 7px;
  text-align: center;
  padding: 6px 8px;
  letter-spacing: 1px;
}

.site-header nav {
  flex: 1;
  padding: 12px 0;
}

/* 结构抽签：header > nav > p > a */
.site-header nav > p {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}

.site-header nav > p > a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 10px;
  font-family: var(--font-pixel);
  font-size: 7px;
  color: var(--c-text-muted);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  line-height: 1.5;
  min-height: 44px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  word-break: break-all;
}

.site-header nav > p > a::before {
  content: '▶';
  font-size: 8px;
  color: var(--c-text-dim);
  flex-shrink: 0;
  transition: color var(--transition);
}

.site-header nav > p > a:hover,
.site-header nav > p > a[aria-current="page"] {
  color: var(--c-cyan);
  background: rgba(0, 229, 255, 0.06);
  border-color: var(--c-cyan);
}

.site-header nav > p > a[aria-current="page"]::before {
  color: var(--c-cyan);
}

.site-header nav > p > a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  background: rgba(255, 45, 85, 0.06);
}

.site-header nav > p > a:hover::before {
  color: var(--c-accent);
}

/* ============================================================
   LAYOUT BODY — 主内容区 + aside
   ============================================================ */
.layout-body {
  margin-left: var(--nav-w);
  display: flex;
  flex-direction: row;
  flex: 1;
}

/* aside 在内容左侧 */
.site-aside {
  width: 200px;
  flex-shrink: 0;
  order: -1;
  background: var(--c-surface);
  border-right: 2px solid var(--c-border);
  min-height: 100%;
}

.aside-inner {
  position: sticky;
  top: 20px;
  padding: 20px 14px;
}

.aside-inner small {
  display: block;
  font-family: var(--font-pixel);
  font-size: 7px;
  color: var(--c-accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 20px;
  margin-bottom: 6px;
}

.aside-inner small:first-child {
  margin-top: 0;
}

.aside-title {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-text);
  margin-bottom: 10px;
  line-height: 1.4;
}

.aside-title a {
  color: inherit;
}

.aside-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.aside-links li a {
  display: block;
  padding: 8px 10px;
  font-family: var(--font-pixel);
  font-size: 7px;
  color: var(--c-text-muted);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
}

.aside-links li a:hover {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: rgba(0,229,255,0.05);
}

main {
  flex: 1;
  min-width: 0;
}

/* 结构抽签：main > article.wrap > div > section */
main > article.wrap {
  padding: 40px 32px;
  max-width: 860px;
}

main > article.wrap > div {
  width: 100%;
}

main > article.wrap > div > section {
  width: 100%;
}

/* ============================================================
   HERO — 首页全宽大图 + 蒙版
   ============================================================ */
.hero {
  margin-left: var(--nav-w);
  position: relative;
  height: 45vh;
  min-height: 320px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-surface2);
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-placeholder {
  background: linear-gradient(135deg, #0d0d0d 0%, #1a0a14 50%, #0a1a1a 100%);
}

.hero-mask {
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.72);
}

.hero-bg-text {
  position: absolute;
  bottom: -10px;
  right: -10px;
  font-family: var(--font-pixel);
  font-size: clamp(40px, 8vw, 100px);
  color: rgba(255, 45, 85, 0.06);
  letter-spacing: -2px;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 700px;
}

.hero-eyebrow {
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--c-cyan);
  letter-spacing: 2px;
  margin-bottom: 16px;
  border: 1px solid var(--c-cyan);
  display: inline-block;
  padding: 4px 12px;
}

.hero-content h1 {
  font-family: var(--font-pixel);
  font-size: clamp(12px, 2.5vw, 22px);
  color: #fff;
  line-height: 1.6;
  margin-bottom: 16px;
}

.hero-sub {
  font-family: var(--font-vt);
  font-size: 20px;
  color: var(--c-text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

.hero-cta {
  display: inline-block;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-pixel);
  font-size: 9px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  min-height: 44px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  transition: background var(--transition), color var(--transition);
}

.hero-cta:hover {
  background: var(--c-cyan);
  color: var(--c-bg);
}

/* ============================================================
   CHANNEL HERO
   ============================================================ */
.channel-hero {
  margin-left: var(--nav-w);
  position: relative;
  background: var(--c-surface2);
  border-bottom: 2px solid var(--c-border);
  padding: 40px 32px 32px;
  overflow: hidden;
}

.channel-hero-bg {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-pixel);
  font-size: clamp(60px, 12vw, 140px);
  color: rgba(0, 229, 255, 0.04);
  pointer-events: none;
  user-select: none;
}

.channel-hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.channel-eyebrow {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-accent);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.channel-hero h1 {
  font-family: var(--font-pixel);
  font-size: clamp(11px, 2vw, 18px);
  color: var(--c-cyan);
  line-height: 1.6;
  margin-bottom: 10px;
}

.channel-desc {
  font-family: var(--font-vt);
  font-size: 18px;
  color: var(--c-text-muted);
  line-height: 1.5;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-pixel);
  line-height: 1.6;
  color: var(--c-text);
}

h1 { font-size: clamp(13px, 2vw, 20px); margin-bottom: 20px; }
h2 { font-size: clamp(11px, 1.6vw, 16px); margin-bottom: 16px; color: var(--c-cyan); }
h3 { font-size: clamp(10px, 1.4vw, 14px); margin-bottom: 12px; }
h4 { font-size: 10px; margin-bottom: 10px; }

p { font-size: 18px; line-height: 1.7; margin-bottom: 14px; font-family: var(--font-vt); }

small {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-accent);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

/* small 紧邻 h2/h3 之前（同级） */
small + h2,
small + h3 {
  margin-top: 0;
}

time {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-text-dim);
  display: inline-block;
}

/* ============================================================
   ENTRY CONTENT (正文)
   ============================================================ */
.entry-content {
  font-family: var(--font-vt);
  font-size: 20px;
  line-height: 1.7;
  color: var(--c-text);
  margin-bottom: 40px;
}

.entry-content h2 {
  font-family: var(--font-pixel);
  font-size: 13px;
  color: var(--c-cyan);
  margin: 32px 0 12px;
  padding-left: 12px;
  border-left: 3px solid var(--c-accent);
}

.entry-content h3 {
  font-family: var(--font-pixel);
  font-size: 11px;
  color: var(--c-text);
  margin: 24px 0 10px;
}

.entry-content p {
  margin-bottom: 16px;
}

.entry-content ul, .entry-content ol {
  padding-left: 22px;
  margin-bottom: 16px;
}

.entry-content li {
  font-size: 20px;
  margin-bottom: 6px;
  font-family: var(--font-vt);
}

.entry-content a {
  color: var(--c-cyan);
  border-bottom: 1px solid rgba(0,229,255,0.3);
}

.entry-content a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
}

.entry-content blockquote {
  border-left: 3px solid var(--c-cyan);
  padding: 12px 16px;
  margin: 20px 0;
  background: var(--c-surface);
  font-style: normal;
  color: var(--c-text-muted);
}

.entry-content strong { color: var(--c-accent); font-family: var(--font-pixel); font-size: 14px; }

.entry-content code {
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 15px;
}

/* ============================================================
   HOME — CHANNEL CARDS
   ============================================================ */
.channel-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.channel-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 16px;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  position: relative;
  transition: border-color var(--transition), background var(--transition);
  min-height: 120px;
}

.channel-card::before {
  content: attr(data-num);
  position: absolute;
  top: 12px;
  right: 14px;
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--c-text-dim);
}

.channel-card:hover {
  border-color: var(--c-accent);
  background: rgba(255, 45, 85, 0.05);
  color: var(--c-text);
}

.channel-card strong {
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--c-cyan);
  display: block;
  line-height: 1.5;
}

.channel-card:hover strong {
  color: var(--c-accent);
}

.card-desc {
  font-family: var(--font-vt);
  font-size: 16px;
  color: var(--c-text-muted);
  line-height: 1.4;
  flex: 1;
}

.card-arrow {
  font-family: var(--font-pixel);
  font-size: 10px;
  color: var(--c-accent);
  align-self: flex-end;
}

/* ============================================================
   HOME — ARTICLE GRID
   ============================================================ */
.recent-articles {
  margin-top: 40px;
}

.recent-articles h2 {
  margin-bottom: 20px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.article-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  transition: border-color var(--transition), background var(--transition);
}

.article-card:hover {
  border-color: var(--c-cyan);
  background: rgba(0,229,255,0.04);
  color: var(--c-text);
}

.article-card strong {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-text);
  display: block;
  line-height: 1.6;
}

.article-card:hover strong {
  color: var(--c-cyan);
}

.card-date {
  font-family: var(--font-pixel);
  font-size: 7px;
  color: var(--c-accent);
}

.card-excerpt {
  font-family: var(--font-vt);
  font-size: 16px;
  color: var(--c-text-muted);
}

/* ============================================================
   CHANNEL — CHILD GRID
   子页列表抽签：并列 <a>，a > strong
   ============================================================ */
.channel-children {
  margin-top: 40px;
}

.channel-children h2 {
  margin-bottom: 20px;
}

.child-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.child-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  position: relative;
  transition: border-color var(--transition), background var(--transition);
}

.child-block::after {
  content: attr(data-num);
  position: absolute;
  top: 10px;
  right: 14px;
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--c-text-dim);
}

.child-block:hover {
  border-color: var(--c-cyan);
  background: rgba(0,229,255,0.04);
  color: var(--c-text);
}

.child-block > strong {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-cyan);
  display: block;
  line-height: 1.6;
  padding-right: 30px;
}

.child-block:hover > strong {
  color: var(--c-accent);
}

.child-desc {
  font-family: var(--font-vt);
  font-size: 17px;
  color: var(--c-text-muted);
  flex: 1;
}

.child-block time {
  font-size: 8px;
  color: var(--c-accent);
}

/* ============================================================
   ARTICLE PAGE
   ============================================================ */
.article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--c-border);
}

.breadcrumb {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--c-text-muted);
}

.breadcrumb a:hover {
  color: var(--c-cyan);
}

.breadcrumb span {
  color: var(--c-text-dim);
}

.article-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 10px;
}

.article-date {
  color: var(--c-cyan);
  font-size: 8px;
}

.article-modified {
  font-size: 8px;
  color: var(--c-text-dim);
}

.article-hero {
  margin-bottom: 28px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--c-border);
}

.article-hero-img {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
}

/* Related articles */
.related-articles {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 2px solid var(--c-border);
}

.related-articles h2 {
  margin-bottom: 18px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  transition: border-color var(--transition);
}

.related-card:hover {
  border-color: var(--c-accent);
  color: var(--c-text);
}

.related-card strong {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-text);
  display: block;
  line-height: 1.5;
}

.related-card:hover strong {
  color: var(--c-accent);
}

/* ============================================================
   ABOUT / PRIVACY LINK GROUPS
   ============================================================ */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--c-border);
}

.page-header h1 {
  margin-bottom: 10px;
}

.about-links,
.privacy-footer-links {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 2px solid var(--c-border);
}

.about-links h2,
.privacy-footer-links h2 {
  margin-bottom: 16px;
}

.about-link-group,
.privacy-link-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.about-link-group > a,
.privacy-link-group > a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  flex: 1;
  min-width: 180px;
  transition: border-color var(--transition), background var(--transition);
}

.about-link-group > a:hover,
.privacy-link-group > a:hover {
  border-color: var(--c-cyan);
  background: rgba(0,229,255,0.04);
  color: var(--c-text);
}

.about-link-group > a strong,
.privacy-link-group > a strong {
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--c-cyan);
  display: block;
}

.about-link-group > a:hover strong,
.privacy-link-group > a:hover strong {
  color: var(--c-accent);
}

.about-link-group > a span,
.privacy-link-group > a span {
  font-family: var(--font-vt);
  font-size: 16px;
  color: var(--c-text-muted);
}

/* ============================================================
   PRIVACY CONTENT EXTRAS
   ============================================================ */
.privacy-content h2 {
  margin-top: 28px;
}

/* ============================================================
   FOOTER
   抽签：footer > address + ul > li > a
   四栏布局，顶部联系/订阅，版权居中
   ============================================================ */
footer {
  background: var(--c-surface);
  border-top: 2px solid var(--c-border);
  margin-left: var(--nav-w);
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 40px 40px 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

footer address {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-style: normal;
}

.footer-brand {
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--c-accent);
  display: block;
  line-height: 1.5;
  margin-bottom: 4px;
}

footer address span {
  font-family: var(--font-vt);
  font-size: 16px;
  color: var(--c-text-muted);
  line-height: 1.5;
}

footer address a {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-text-muted);
  min-height: 40px;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}

footer address a:hover {
  color: var(--c-cyan);
}

.footer-heading {
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--c-cyan);
  margin-bottom: 6px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-col ul > li > a {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-text-muted);
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 4px 0;
  transition: color var(--transition);
  line-height: 1.5;
}

.footer-col ul > li > a:hover {
  color: var(--c-accent);
}

/* Subscribe Form */
.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.subscribe-form input[type="email"] {
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-family: var(--font-pixel);
  font-size: 8px;
  padding: 10px 12px;
  width: 100%;
  min-height: 44px;
  outline: none;
  transition: border-color var(--transition);
}

.subscribe-form input[type="email"]:focus {
  border-color: var(--c-cyan);
}

.subscribe-form button {
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-pixel);
  font-size: 8px;
  padding: 10px 16px;
  cursor: pointer;
  min-height: 44px;
  transition: background var(--transition);
}

.subscribe-form button:hover {
  background: var(--c-cyan);
  color: var(--c-bg);
}

.footer-note {
  font-family: var(--font-vt);
  font-size: 15px;
  color: var(--c-text-dim);
}

.footer-bottom {
  padding: 16px 40px;
  border-top: 1px solid var(--c-border);
  text-align: center;
}

.footer-bottom p {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--c-text-dim);
  line-height: 1.8;
}

.footer-bottom a {
  color: var(--c-text-dim);
}

.footer-bottom a:hover {
  color: var(--c-cyan);
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .channel-card,
  .article-card,
  .child-block,
  .related-card {
    opacity: 0;
    transform: translateY(16px);
    animation: revealUp 0.4s ease forwards;
  }

  .channel-card:nth-child(1) { animation-delay: 0.05s; }
  .channel-card:nth-child(2) { animation-delay: 0.10s; }
  .channel-card:nth-child(3) { animation-delay: 0.15s; }
  .channel-card:nth-child(4) { animation-delay: 0.20s; }
  .channel-card:nth-child(5) { animation-delay: 0.25s; }
  .channel-card:nth-child(6) { animation-delay: 0.30s; }

  .child-block:nth-child(1) { animation-delay: 0.05s; }
  .child-block:nth-child(2) { animation-delay: 0.12s; }
  .child-block:nth-child(3) { animation-delay: 0.19s; }

  .article-card:nth-child(1) { animation-delay: 0.05s; }
  .article-card:nth-child(2) { animation-delay: 0.10s; }
  .article-card:nth-child(3) { animation-delay: 0.15s; }
  .article-card:nth-child(4) { animation-delay: 0.20s; }
  .article-card:nth-child(5) { animation-delay: 0.25s; }
  .article-card:nth-child(6) { animation-delay: 0.30s; }

  @keyframes revealUp {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --nav-w: 200px;
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    padding: 32px 24px;
    gap: 24px;
  }

  main > article.wrap {
    padding: 28px 20px;
  }

  .hero-content h1 {
    font-size: clamp(11px, 2vw, 16px);
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --nav-w: 0px;
  }

  /* 左侧导航变顶部导航 */
  .site-header {
    position: static;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 2px solid var(--c-border);
    flex-direction: column;
  }

  .site-header::before {
    font-size: 6px;
  }

  .site-header nav > p {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px 10px;
  }

  .site-header nav > p > a {
    font-size: 6px;
    padding: 10px 8px;
    min-height: 40px;
    word-break: normal;
    flex: 0 0 auto;
  }

  /* Layout */
  .hero {
    margin-left: 0;
    height: 50vw;
    min-height: 260px;
  }

  .channel-hero {
    margin-left: 0;
    padding: 24px 16px;
  }

  .layout-body {
    margin-left: 0;
    flex-direction: column;
  }

  /* aside 变为顶部横向 */
  .site-aside {
    width: 100%;
    order: -1;
    border-right: none;
    border-bottom: 2px solid var(--c-border);
  }

  .aside-inner {
    position: static;
    padding: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-start;
  }

  .aside-inner small,
  .aside-title {
    display: none;
  }

  .aside-links {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .aside-links li a {
    padding: 8px 12px;
    min-height: 40px;
    font-size: 7px;
  }

  main > article.wrap {
    padding: 20px 16px;
  }

  footer {
    margin-left: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    padding: 24px 16px;
    gap: 20px;
  }

  .channel-cards {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .article-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .child-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE SMALL (≤480px)
   ============================================================ */
@media (max-width: 480px) {
  html { font-size: 17px; }

  .hero-content h1 {
    font-size: 11px;
  }

  .hero-eyebrow {
    font-size: 7px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .channel-cards {
    grid-template-columns: 1fr;
  }

  .article-grid {
    grid-template-columns: 1fr;
  }

  .about-link-group,
  .privacy-link-group {
    flex-direction: column;
  }

  .footer-bottom {
    padding: 14px 16px;
  }
}

/* ============================================================
   RESPONSIVE — NARROW (≤375px)
   ============================================================ */
@media (max-width: 375px) {
  .site-header nav > p > a {
    font-size: 6px;
    padding: 10px 6px;
  }

  .brand-name {
    font-size: 8px;
  }

  main > article.wrap {
    padding: 16px 12px;
  }

  .entry-content {
    font-size: 18px;
  }
}