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

/* ── 变量 ── */
:root {
  --red: #ff0000;
  --pink: #ff006e;
  --navy: #1a1a2e;
  --navy-mid: #16213e;
  --navy-light: #0f3460;
  --cyan: #00ffff;
  --white: #f0f0f0;
  --off-white: #e0e0e0;
  --muted: #888;
  --font-title: 'Libre Bodoni', Georgia, serif;
  --font-body: 'Public Sans', system-ui, sans-serif;
  --radius-card: 28px;
  --glow-red: 0 0 8px #ff0000, 0 0 20px rgba(255,0,0,0.4);
  --glow-pink: 0 0 8px #ff006e, 0 0 20px rgba(255,0,110,0.4);
  --glow-cyan: 0 0 8px #00ffff, 0 0 20px rgba(0,255,255,0.4);
  --header-h: 64px;
  --max-prose: 860px;
  --max-wide: 1200px;
}

/* ── 重置 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

/* ── CRT 扫描线 ── */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.15) 2px,
    rgba(0,0,0,0.15) 4px
  );
  mix-blend-mode: multiply;
}
@media (prefers-reduced-motion: reduce) { .scanlines { display: none; } }

/* ── 几何网格背景 ── */
.grid-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,0,110,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,0,110,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── 页面包裹 ── */
.page-wrap {
  position: relative;
  z-index: 1;
  padding-top: var(--header-h);
}

/* ── 导航 ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(26,26,46,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,0,110,0.3);
}
.main-nav {
  max-width: var(--max-wide);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  gap: 0.25rem;
}
.nav-brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.brand-logo {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--red);
  text-shadow: var(--glow-red);
  letter-spacing: 0.02em;
  white-space: nowrap;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.nav-link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--off-white);
  letter-spacing: 0.05em;
  padding: 0.6rem 0.6rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s, text-shadow 0.2s;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.nav-active {
  color: var(--pink);
  text-shadow: var(--glow-pink);
}
.nav-home-link {
  display: none;
}

/* 汉堡按钮 */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  min-width: 40px;
  min-height: 40px;
  justify-content: center;
  align-items: center;
  border: 1px solid rgba(255,0,110,0.4);
  border-radius: 4px;
  transition: border-color 0.2s;
}
.nav-toggle:hover { border-color: var(--pink); }
.toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--off-white);
  transition: background 0.2s;
}
.nav-toggle:hover .toggle-line { background: var(--pink); }

/* 全屏菜单 */
.fullscreen-menu {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(10,10,20,0.97);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.fullscreen-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}
.menu-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-size: 1.5rem;
  color: var(--off-white);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  transition: color 0.2s, border-color 0.2s;
}
.menu-close:hover { color: var(--pink); border-color: var(--pink); }
.menu-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.menu-nav .nav-link {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  padding: 0.75rem 2rem;
  min-height: 56px;
  letter-spacing: 0.02em;
  color: var(--white);
  border-left: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s, text-shadow 0.2s;
}
.menu-nav .nav-link:hover,
.menu-nav .nav-link.nav-active {
  color: var(--red);
  text-shadow: var(--glow-red);
  border-left-color: var(--red);
}

/* ── Hero (首页) ── */
.hero-section {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding: 4rem 2rem;
  max-width: var(--max-wide);
  margin: 0 auto;
  gap: 3rem;
}
.hero-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}
.hero-media {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-img {
  width: 100%;
  max-height: 70vh;
  object-fit: cover;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255,0,110,0.3);
  box-shadow: var(--glow-pink);
}
.hero-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255,0,110,0.3);
  background: linear-gradient(135deg, var(--navy-mid), var(--navy-light));
  box-shadow: var(--glow-pink);
}
.hero-eyebrow,
.block-eyebrow,
.article-eyebrow,
.channel-hero .hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--pink);
  text-shadow: var(--glow-pink);
}
.hero-h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  text-shadow: 2px 0 0 rgba(255,0,110,0.4), -2px 0 0 rgba(0,255,255,0.2);
}
.hero-desc {
  font-size: 1.05rem;
  color: var(--off-white);
  max-width: 480px;
  line-height: 1.7;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.badge {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--red);
  border-radius: 4px;
  color: var(--red);
  text-shadow: var(--glow-red);
}

/* ── 霓虹 Glitch 标题 ── */
.glitch-text {
  position: relative;
}
@media (prefers-reduced-motion: no-preference) {
  .glitch-text::before,
  .glitch-text::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    font: inherit;
    white-space: nowrap;
    overflow: hidden;
  }
  .glitch-text::before {
    color: var(--pink);
    animation: glitch-top 3s infinite linear;
    clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
    transform: translateX(-2px);
    opacity: 0.7;
  }
  .glitch-text::after {
    color: var(--cyan);
    animation: glitch-bot 3s infinite linear;
    clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
    transform: translateX(2px);
    opacity: 0.5;
  }
}
@keyframes glitch-top {
  0%, 90%, 100% { transform: translateX(0); }
  92% { transform: translateX(-3px) skewX(-2deg); }
  94% { transform: translateX(3px) skewX(2deg); }
  96% { transform: translateX(-1px); }
}
@keyframes glitch-bot {
  0%, 90%, 100% { transform: translateX(0); }
  93% { transform: translateX(3px) skewX(2deg); }
  95% { transform: translateX(-3px) skewX(-2deg); }
  97% { transform: translateX(1px); }
}

/* ── CTA 按钮 ── */
.cta-btn {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--red);
  color: var(--white);
  border: 2px solid var(--red);
  border-radius: 4px;
  text-shadow: none;
  box-shadow: var(--glow-red);
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.cta-btn:hover {
  background: var(--pink);
  border-color: var(--pink);
  box-shadow: var(--glow-pink);
  transform: translateY(-2px);
}
.cta-btn--outline {
  background: transparent;
  color: var(--red);
  box-shadow: none;
  border-color: var(--red);
}
.cta-btn--outline:hover {
  background: var(--red);
  color: var(--white);
  box-shadow: var(--glow-red);
}

/* ── 正文区块共用 ── */
.channels-block,
.recent-block,
.children-block,
.related-block,
.about-channels {
  max-width: var(--max-wide);
  margin: 5rem auto;
  padding: 0 2rem;
}
.block-title {
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--white);
  margin-top: 0.5rem;
  margin-bottom: 2rem;
}

/* ── 频道卡片网格 ── */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.ch-card {
  background: var(--navy-mid);
  border: 1px solid rgba(255,0,110,0.25);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s, transform 0.2s;
}
.ch-card:hover {
  border-color: var(--pink);
  transform: translateY(-3px);
}
.ch-card h3 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
}
.ch-card h3 a:hover { color: var(--pink); text-shadow: var(--glow-pink); }
.ch-card p {
  font-size: 0.88rem;
  color: var(--off-white);
  line-height: 1.6;
}
.ch-sublist {
  margin-top: 0.25rem;
}
.ch-sublist li a {
  font-size: 0.82rem;
  color: var(--muted);
  display: block;
  padding: 0.2rem 0;
  border-left: 2px solid rgba(255,0,0,0.3);
  padding-left: 0.6rem;
  transition: color 0.2s, border-color 0.2s;
}
.ch-sublist li a:hover { color: var(--red); border-color: var(--red); }
.ch-more {
  margin-top: auto;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--red);
  transition: color 0.2s;
}
.ch-more:hover { color: var(--pink); text-shadow: var(--glow-pink); }

/* ── 文章卡片网格 ── */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.art-card {
  background: var(--navy-mid);
  border: 1px solid rgba(255,0,0,0.2);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.2s, transform 0.2s;
}
.art-card:hover {
  border-color: var(--red);
  transform: translateY(-2px);
}
.card-cat {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--pink);
  text-shadow: var(--glow-pink);
}
.art-card h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}
.art-card h3 a:hover { color: var(--red); text-shadow: var(--glow-red); }
.art-card p {
  font-size: 0.85rem;
  color: var(--off-white);
  line-height: 1.6;
  flex: 1;
}
.card-date {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ── 首页正文 prose ── */
.home-content {
  max-width: var(--max-wide);
  margin: 0 auto;
}
.content-prose {
  max-width: var(--max-prose);
  margin: 0 auto;
  padding: 3rem 2rem;
  font-size: 1.05rem;
  line-height: 1.8;
}
.content-prose h2 {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  color: var(--white);
}
.content-prose h3 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--off-white);
}
.content-prose p { margin-bottom: 1.2rem; }
.content-prose a {
  color: var(--pink);
  text-decoration: underline;
  text-decoration-color: rgba(255,0,110,0.4);
  transition: color 0.2s;
}
.content-prose a:hover { color: var(--red); text-shadow: var(--glow-red); }
.content-prose ul,
.content-prose ol {
  margin: 1rem 0 1.2rem 1.5rem;
  list-style: disc;
}
.content-prose ol { list-style: decimal; }
.content-prose li { margin-bottom: 0.4rem; }
.content-prose strong { color: var(--white); font-weight: 700; }
.content-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.content-prose th,
.content-prose td {
  padding: 0.6rem 0.9rem;
  border: 1px solid rgba(255,0,110,0.2);
  text-align: left;
}
.content-prose th {
  background: var(--navy-light);
  color: var(--pink);
  font-weight: 600;
}
.content-prose tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.content-prose blockquote {
  border-left: 3px solid var(--red);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: rgba(255,0,0,0.05);
  color: var(--off-white);
  font-style: italic;
}

/* ── 频道页 ── */
.channel-hero {
  background: linear-gradient(160deg, var(--navy-light) 0%, var(--navy-mid) 100%);
  border-bottom: 1px solid rgba(255,0,110,0.3);
  padding: 5rem 2rem 0;
}
.channel-hero-inner {
  max-width: var(--max-prose);
  margin: 0 auto;
  padding-bottom: 2rem;
}
.channel-h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0.5rem 0 1rem;
  color: var(--white);
  text-shadow: 2px 0 0 rgba(255,0,0,0.3);
}
.channel-desc {
  font-size: 1rem;
  color: var(--off-white);
  line-height: 1.7;
  max-width: 620px;
}
.channel-tabs {
  max-width: var(--max-wide);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 1.5rem;
}
.ch-tab {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.45rem 1rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  color: var(--off-white);
  transition: color 0.2s, border-color 0.2s;
}
.ch-tab:hover,
.ch-tab--active {
  color: var(--pink);
  border-color: var(--pink);
  text-shadow: var(--glow-pink);
}
.channel-body {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0;
}
.channel-intro {
  padding-top: 2rem;
}

/* 子页列表 */
.children-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.child-card {
  display: flex;
  gap: 1.25rem;
  background: var(--navy-mid);
  border: 1px solid rgba(255,0,0,0.2);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.child-card:hover {
  border-color: var(--red);
  transform: translateX(4px);
}
.card-thumb-wrap {
  flex-shrink: 0;
  width: 180px;
}
.card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.card-body h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
}
.card-body h3 a:hover { color: var(--red); text-shadow: var(--glow-red); }
.card-body p {
  font-size: 0.88rem;
  color: var(--off-white);
  line-height: 1.6;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: auto;
}
.read-more {
  color: var(--pink);
  font-weight: 600;
  transition: color 0.2s;
}
.read-more:hover { color: var(--red); }

/* ── 文章页 ── */
.article-layout {
  max-width: var(--max-prose);
  margin: 0 auto;
  padding: 0 2rem;
}
.article-main {}
.article-header {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid rgba(255,0,110,0.2);
  margin-bottom: 2.5rem;
}
.breadcrumb-link {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 1rem;
  transition: color 0.2s, border-color 0.2s;
}
.breadcrumb-link:hover { color: var(--pink); border-color: var(--pink); }
.article-h1 {
  font-family: var(--font-title);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0.5rem 0 1rem;
  color: var(--white);
}
.article-lead {
  font-size: 1.05rem;
  color: var(--off-white);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.pub-date {
  font-size: 0.82rem;
  color: var(--pink);
  letter-spacing: 0.05em;
}
.mod-label {
  font-size: 0.78rem;
  color: var(--muted);
}
.article-hero-wrap {
  margin-bottom: 2.5rem;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid rgba(255,0,110,0.3);
}
.article-hero-img {
  width: 100%;
  height: auto;
  display: block;
}
.article-body {
  font-size: 1.05rem;
  line-height: 1.8;
}
.article-body h2 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  color: var(--white);
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255,0,0,0.15);
}
.article-body h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--off-white);
}
.article-body p { margin-bottom: 1.25rem; }
.article-body a {
  color: var(--pink);
  text-decoration: underline;
  text-decoration-color: rgba(255,0,110,0.4);
}
.article-body a:hover { color: var(--red); }
.article-body ul,
.article-body ol {
  margin: 1rem 0 1.25rem 1.5rem;
  list-style: disc;
}
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.5rem; }
.article-body strong { color: var(--white); font-weight: 700; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.article-body th,
.article-body td {
  padding: 0.6rem 0.9rem;
  border: 1px solid rgba(255,0,110,0.2);
  text-align: left;
}
.article-body th {
  background: var(--navy-light);
  color: var(--pink);
}
.article-body tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.article-body blockquote {
  border-left: 3px solid var(--red);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: rgba(255,0,0,0.05);
  font-style: italic;
}
.article-channel-link { margin: 3rem 0 2rem; }
.back-btn {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.5rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255,0,110,0.4);
  border-radius: 4px;
  color: var(--pink);
  transition: background 0.2s, color 0.2s;
  margin-right: 0.75rem;
}
.back-btn:hover {
  background: rgba(255,0,110,0.1);
  border-color: var(--pink);
}

/* 相关文章 */
.related-block {
  max-width: var(--max-prose);
  margin: 2rem auto 4rem;
  padding: 0 2rem;
}
.related-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.related-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.25rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  font-size: 0.92rem;
  transition: border-color 0.2s, background 0.2s;
  gap: 1rem;
}
.related-list li a:hover {
  border-color: var(--red);
  background: rgba(255,0,0,0.05);
}
.related-title { flex: 1; }
.related-list time { font-size: 0.75rem; color: var(--muted); flex-shrink: 0; }

/* ── 关于页 ── */
.about-hero {
  min-height: 40vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 2rem 3rem;
  max-width: var(--max-prose);
  margin: 0 auto;
  text-align: center;
  align-items: center;
}
.about-h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0.5rem 0 1rem;
  color: var(--white);
}
.about-lead {
  font-size: 1.1rem;
  color: var(--off-white);
  line-height: 1.7;
  max-width: 560px;
}
.about-body {
  max-width: var(--max-prose);
  margin: 0 auto;
  padding: 0 2rem;
}
.about-content { padding-bottom: 3rem; }
.about-ch-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.about-ch-item {
  background: var(--navy-mid);
  border: 1px solid rgba(255,0,0,0.2);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  transition: border-color 0.2s;
}
.about-ch-item:hover { border-color: var(--red); }
.about-ch-item h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.about-ch-item h3 a:hover { color: var(--red); }
.about-ch-item p { font-size: 0.85rem; color: var(--off-white); line-height: 1.6; }

/* ── 隐私页 ── */
.privacy-hero {
  padding: 5rem 2rem 3rem;
  max-width: var(--max-prose);
  margin: 0 auto;
  border-bottom: 1px solid rgba(255,0,110,0.2);
  margin-bottom: 0;
}
.privacy-h1 {
  font-family: var(--font-title);
  font-size: clamp(1.75rem, 4vw, 2.8rem);
  font-weight: 700;
  margin: 0.5rem 0 0.75rem;
  color: var(--white);
}
.privacy-date {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.privacy-body {
  max-width: var(--max-prose);
  margin: 0 auto;
  padding: 0 2rem;
}
.privacy-content { padding-bottom: 3rem; }
.privacy-prose { padding-top: 2rem; }
.privacy-footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* ── 页脚 ── */
.site-footer {
  background: var(--navy-mid);
  border-top: 1px solid rgba(255,0,110,0.3);
  margin-top: 4rem;
}
.footer-cta {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 3.5rem 2rem;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-cta-text {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.footer-cols {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-dl dt {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--red);
  text-shadow: var(--glow-red);
  margin-bottom: 0.85rem;
}
.footer-dl dd {
  font-size: 0.88rem;
  color: var(--off-white);
  margin-bottom: 0.45rem;
  line-height: 1.5;
}
.footer-dl dd a {
  color: var(--off-white);
  transition: color 0.2s;
  display: inline-block;
  min-height: 28px;
  line-height: 1.8;
}
.footer-dl dd a:hover { color: var(--pink); text-shadow: var(--glow-pink); }
.footer-copy {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  padding: 1.5rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  letter-spacing: 0.05em;
}

/* ── 频道页内容 ── */
.channel-content {
  padding-bottom: 3rem;
}

/* ── Hover 微动效 ── */
@media (prefers-reduced-motion: no-preference) {
  .ch-card,
  .art-card,
  .child-card,
  .about-ch-item {
    transition: border-color 0.2s, transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
  }
  .cta-btn {
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s cubic-bezier(0.34,1.56,0.64,1);
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ── 响应式 ── */
@media (max-width: 900px) {
  .hero-section {
    flex-direction: column;
    min-height: auto;
    padding: 3rem 1.5rem 2rem;
  }
  .hero-media { order: -1; width: 100%; }
  .hero-text { align-items: center; text-align: center; }
  .hero-desc { max-width: 100%; }
  .hero-badges { justify-content: center; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  :root { --header-h: 56px; }
  .main-nav { padding: 0 1rem; gap: 0; }
  .nav-link { font-size: 0.75rem; padding: 0.5rem 0.4rem; }
  .nav-link.nav-home-link { display: none; }
  .hero-section { padding: 2rem 1rem; gap: 1.5rem; }
  .hero-h1 { font-size: 1.75rem; }
  .channel-hero { padding: 3rem 1rem 0; }
  .channel-h1 { font-size: 1.75rem; }
  .content-prose { padding: 2rem 1rem; }
  .article-layout { padding: 0 1rem; }
  .article-header { padding: 2.5rem 0 1.5rem; }
  .article-h1 { font-size: 1.75rem; }
  .channels-block,
  .recent-block,
  .children-block,
  .related-block,
  .about-channels { padding: 0 1rem; margin: 3rem auto; }
  .footer-cols {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 1rem;
  }
  .footer-cta { padding: 2rem 1rem; }
  .footer-cta-text { font-size: 1.2rem; }
  .card-thumb-wrap { display: none; }
  .about-hero { padding: 3.5rem 1rem 2rem; text-align: left; align-items: flex-start; }
  .privacy-hero { padding: 3.5rem 1rem 2rem; }
  .privacy-body { padding: 0 1rem; }
  .about-body { padding: 0 1rem; }
  .channel-tabs { padding: 0.75rem 1rem; }
  .related-block { padding: 0 1rem; }
  .menu-nav .nav-link { font-size: 1.25rem; padding: 0.6rem 1.5rem; }
}

@media (max-width: 400px) {
  .nav-link { display: none; }
  .nav-brand-wrap { margin: 0 auto; }
}