@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=Rubik:wght@300;400;500;600;700&display=swap');

/* ===========================
   CSS 变量 & 基础重置
   =========================== */
:root {
  --c-red: #ff0000;
  --c-pink: #ff1493;
  --c-dark: #261717;
  --c-dark2: #1a0e0e;
  --c-dark3: #0f0808;
  --c-surface: #2e1a1a;
  --c-surface2: #3a1f1f;
  --c-border: rgba(255, 20, 147, 0.35);
  --c-text: #f5e8e8;
  --c-text-muted: #c4a0a0;
  --c-text-dim: #8a5a5a;
  --c-glow-red: rgba(255, 0, 0, 0.4);
  --c-glow-pink: rgba(255, 20, 147, 0.4);
  --radius-card: 18px;
  --radius-btn: 10px;
  --font-display: 'Outfit', 'Rubik', system-ui, sans-serif;
  --font-body: 'Rubik', 'Outfit', system-ui, sans-serif;
  --bottom-nav-h: 64px;
  --header-h: 56px;
  --max-content: 1200px;
  --max-prose: 720px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--c-dark3);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  min-height: 100vh;
  padding-bottom: var(--bottom-nav-h);
  overflow-x: hidden;
}

a {
  color: var(--c-pink);
  text-decoration: none;
  transition: color 0.2s, opacity 0.2s;
}
a:hover { color: var(--c-red); }
a:focus-visible {
  outline: 2px solid var(--c-pink);
  outline-offset: 3px;
  border-radius: 4px;
}

img { max-width: 100%; height: auto; display: block; }
ol, ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===========================
   Aurora 极光背景
   =========================== */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(255,0,0,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 10%, rgba(255,20,147,0.22) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 70%, rgba(255,0,0,0.12) 0%, transparent 45%),
    radial-gradient(ellipse at 10% 80%, rgba(255,20,147,0.15) 0%, transparent 50%),
    conic-gradient(from 180deg at 50% 50%, #261717 0deg, #1a0e0e 90deg, #0f0808 180deg, #1a0e0e 270deg, #261717 360deg);
  background-size: 200% 200%, 200% 200%, 200% 200%, 200% 200%, 100% 100%;
  animation: auroraShift 10s ease-in-out infinite alternate;
  filter: saturate(1.3);
}

.aurora-bg--muted {
  opacity: 0.6;
}

@keyframes auroraShift {
  0%   { background-position: 0% 0%, 100% 0%, 60% 80%, 0% 100%, center; }
  50%  { background-position: 30% 20%, 70% 30%, 80% 50%, 20% 80%, center; }
  100% { background-position: 60% 10%, 40% 60%, 20% 30%, 60% 40%, center; }
}

@media (prefers-reduced-motion: reduce) {
  .aurora-bg { animation: none; }
}

/* ===========================
   顶部 Header
   =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(15, 8, 8, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--c-text);
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity 0.2s;
}
.brand-logo:hover { opacity: 0.8; }

.burger-btn {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: 8px;
  transition: background 0.2s;
}
.burger-btn:hover { background: var(--c-surface); }
.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.burger-btn.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.is-open span:nth-child(2) { opacity: 0; }
.burger-btn.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   全屏遮罩菜单
   =========================== */
.fullscreen-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 5, 5, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.03);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.fullscreen-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.menu-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  font-size: 1.4rem;
  color: var(--c-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.menu-close:hover { color: var(--c-pink); background: var(--c-surface); }

.fullscreen-nav ol {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: center;
}
.fullscreen-nav ol li a {
  display: block;
  padding: 0.75rem 2rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 3vw, 1.4rem);
  font-weight: 600;
  color: var(--c-text);
  border-radius: 10px;
  transition: background 0.2s, color 0.2s;
  letter-spacing: -0.01em;
}
.fullscreen-nav ol li a:hover {
  color: var(--c-pink);
  background: var(--c-surface);
}

/* ===========================
   Hero 区域
   =========================== */
.hero-section,
.page-hero {
  position: relative;
  min-height: 45vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem 1.25rem 0;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  width: 100%;
  padding-bottom: 3rem;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-pink);
  margin-bottom: 0.75rem;
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--c-border);
  border-radius: 4px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #fff;
  text-align: left;
  max-width: 14em;
  text-shadow: 0 0 40px var(--c-glow-red), 0 0 80px var(--c-glow-pink);
}

.hero-sub {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: var(--c-text-muted);
  max-width: 52ch;
  line-height: 1.7;
}

.hero-slash {
  position: absolute;
  bottom: -2px;
  left: -5%;
  right: -5%;
  height: 80px;
  background: linear-gradient(135deg, var(--c-red) 0%, var(--c-pink) 100%);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0% 100%);
  opacity: 0.15;
  z-index: 1;
}

/* ===========================
   通用 Section
   =========================== */
.content-section,
.channel-body-section,
.article-main-section,
.tag-body-section,
.about-body-section,
.privacy-body-section {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 3rem 1.25rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  align-items: start;
  position: relative;
}

.content-body,
.channel-content,
.article-content,
.tag-content,
.about-content,
.privacy-content {
  min-width: 0;
}

.content-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink), transparent);
  margin: 0;
}

/* ===========================
   侧边栏
   =========================== */
.sidebar {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.sidebar-eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-pink);
  margin-bottom: 0.4rem;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 0.75rem;
}

.sidebar nav ol {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.sidebar nav ol li a {
  display: block;
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
  color: var(--c-text-muted);
  border-radius: 6px;
  transition: background 0.18s, color 0.18s;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.sidebar nav ol li a:hover {
  background: var(--c-surface2);
  color: var(--c-pink);
}

.about-meta-dl dt {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.75rem;
}
.about-meta-dl dd {
  font-size: 0.9rem;
  color: var(--c-text-muted);
}

/* ===========================
   正文 Prose
   =========================== */
.prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-text);
}
.prose h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.02em;
}
.prose h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--c-text);
  margin: 1.5rem 0 0.5rem;
}
.prose p { margin-bottom: 1rem; }
.prose ul, .prose ol {
  margin: 0.75rem 0 1rem 1.5rem;
  list-style: disc;
}
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.4rem; }
.prose a { color: var(--c-pink); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--c-red); }
.prose strong { color: #fff; font-weight: 600; }
.prose blockquote {
  border-left: 3px solid var(--c-pink);
  padding-left: 1rem;
  color: var(--c-text-muted);
  font-style: italic;
  margin: 1.5rem 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.prose th {
  background: var(--c-surface);
  color: var(--c-pink);
  padding: 0.6rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.prose td {
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid rgba(255,20,147,0.1);
}
.prose time {
  font-size: 0.8rem;
  color: var(--c-text-dim);
}

/* ===========================
   section-header 通用
   =========================== */
.section-header {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-pink);
  margin-bottom: 0.4rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

/* ===========================
   首页：频道卡片
   =========================== */
.channels-section {
  padding: 2rem 1.25rem 0;
  max-width: var(--max-content);
  margin: 0 auto;
}
.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 0;
  padding: 0 0 2rem;
}

.channel-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  transition: border-color 0.25s, transform 0.25s;
  position: relative;
  overflow: hidden;
}
.channel-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink));
  opacity: 0;
  transition: opacity 0.25s;
}
.channel-card:hover {
  border-color: var(--c-pink);
  transform: translateY(-3px);
}
.channel-card:hover::before { opacity: 1; }

.channel-card__title {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}
.channel-card__title:hover { color: var(--c-pink); }
.channel-card__desc {
  font-size: 0.875rem;
  color: var(--c-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.channel-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.ch-child-link {
  font-size: 0.78rem;
  color: var(--c-text-dim);
  background: var(--c-surface2);
  border: 1px solid rgba(255,20,147,0.2);
  border-radius: 5px;
  padding: 0.2rem 0.6rem;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.ch-child-link:hover {
  background: var(--c-surface2);
  color: var(--c-pink);
  border-color: var(--c-pink);
}

/* ===========================
   首页：文章卡片
   =========================== */
.articles-section {
  padding: 2rem 1.25rem 3rem;
  max-width: var(--max-content);
  margin: 0 auto;
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.article-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  transition: border-color 0.25s, transform 0.25s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.article-card:hover {
  border-color: var(--c-red);
  transform: translateY(-2px);
}
.card__date {
  font-size: 0.78rem;
  color: var(--c-text-dim);
  font-weight: 500;
}
.article-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  transition: color 0.2s;
}
.article-card__title:hover { color: var(--c-pink); }
.article-card__desc {
  font-size: 0.875rem;
  color: var(--c-text-muted);
  line-height: 1.6;
}

/* ===========================
   文章页专属
   =========================== */
.article-header-section {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 2rem 1.25rem 1.5rem;
  position: relative;
}
.article-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.article-date, .article-modified {
  font-size: 0.8rem;
  color: var(--c-text-dim);
  font-weight: 500;
}
.article-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.15;
  text-shadow: 0 0 30px var(--c-glow-red);
  margin-bottom: 0.75rem;
}
.article-desc {
  font-size: 1.05rem;
  color: var(--c-text-muted);
  max-width: 60ch;
  line-height: 1.7;
}
.article-footer-section {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--c-border);
}

.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.related-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  transition: border-color 0.2s, transform 0.2s;
}
.related-link:hover { border-color: var(--c-pink); transform: translateY(-2px); }
.related-link__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}
.related-link__date {
  font-size: 0.78rem;
  color: var(--c-text-dim);
}

/* ===========================
   面包屑
   =========================== */
.breadcrumb {
  margin-bottom: 1rem;
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  list-style: none;
  align-items: center;
}
.breadcrumb ol li {
  font-size: 0.82rem;
  color: var(--c-text-dim);
}
.breadcrumb ol li + li::before {
  content: '›';
  margin-right: 0.25rem;
  color: var(--c-text-dim);
}
.breadcrumb ol li a {
  color: var(--c-text-dim);
  transition: color 0.2s;
}
.breadcrumb ol li a:hover { color: var(--c-pink); }
.breadcrumb ol li[aria-current] { color: var(--c-text-muted); }

/* ===========================
   子页列表 DL
   =========================== */
.child-list,
.tag-article-list {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.child-list dt,
.tag-article-list dt {
  margin-top: 1rem;
}
.child-list dt a,
.tag-article-list dt a {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  display: block;
  padding: 0.75rem 1rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-bottom: none;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  transition: background 0.2s, color 0.2s;
  min-height: 48px;
  display: flex;
  align-items: center;
}
.child-list dt a:hover,
.tag-article-list dt a:hover {
  color: var(--c-pink);
  background: var(--c-surface2);
}
.child-list dd,
.tag-article-list dd {
  padding: 0.6rem 1rem 0.75rem;
  background: rgba(38, 23, 23, 0.5);
  border: 1px solid var(--c-border);
  border-top: none;
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  font-size: 0.875rem;
  color: var(--c-text-muted);
}

.child-pages-section,
.tag-articles-section {
  padding: 1rem 0 0;
}
.child-pages-section .section-header,
.tag-articles-section .section-header {
  margin-bottom: 0.5rem;
}

/* ===========================
   页脚
   =========================== */
.site-footer {
  background: var(--c-dark2);
  border-top: 1px solid var(--c-border);
  padding-bottom: calc(var(--bottom-nav-h) + 1rem);
}

.footer-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, rgba(255,0,0,0.08), rgba(255,20,147,0.1));
  border-bottom: 1px solid var(--c-border);
  max-width: var(--max-content);
  margin: 0 auto;
}
.footer-cta-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-text);
}
.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 1.5rem;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink));
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-btn);
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
}
.footer-cta-btn:hover { opacity: 0.88; transform: translateY(-1px); color: #fff; }

.footer-bottom {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-address {
  font-size: 0.82rem;
  color: var(--c-text-dim);
  font-style: normal;
}
.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-links li a {
  font-size: 0.82rem;
  color: var(--c-text-dim);
  transition: color 0.2s;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.footer-links li a:hover { color: var(--c-pink); }

/* ===========================
   底部固定导航
   =========================== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 150;
  height: var(--bottom-nav-h);
  background: rgba(10, 5, 5, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--c-border);
}
.bottom-nav > ol {
  height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  max-width: var(--max-content);
  margin: 0 auto;
}
.bottom-nav > ol > li {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bottom-nav > ol > li > a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  min-height: 44px;
  color: var(--c-text-dim);
  font-size: 0.68rem;
  font-weight: 500;
  transition: color 0.2s;
  padding: 0.25rem 0;
}
.bottom-nav > ol > li > a:hover,
.bottom-nav > ol > li > a[aria-current="page"] {
  color: var(--c-pink);
}
.bottom-nav > ol > li > a svg {
  flex-shrink: 0;
}

.bottom-nav-brand {
  width: 48px !important;
  height: 48px !important;
  border-radius: 50% !important;
  background: linear-gradient(135deg, var(--c-red), var(--c-pink)) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin-top: -12px;
  box-shadow: 0 0 20px var(--c-glow-pink);
}
.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
}

/* ===========================
   small 眉题（h2 前紧邻）
   =========================== */
small.section-eyebrow,
small.sidebar-eyebrow {
  display: block;
}

/* ===========================
   空状态
   =========================== */
.empty-tip {
  padding: 2rem 1.25rem;
  color: var(--c-text-dim);
  font-size: 0.9rem;
}

/* ===========================
   响应式 - 中等屏幕
   =========================== */
@media (max-width: 900px) {
  .content-section,
  .channel-body-section,
  .article-main-section,
  .tag-body-section,
  .about-body-section,
  .privacy-body-section {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    order: 2;
  }
  .content-body,
  .channel-content,
  .article-content,
  .tag-content,
  .about-content,
  .privacy-content {
    order: 1;
  }
  .content-accent {
    order: 0;
  }
}

/* ===========================
   响应式 - 移动端 375px
   =========================== */
@media (max-width: 600px) {
  :root {
    --header-h: 52px;
    --bottom-nav-h: 60px;
  }

  .hero-section,
  .page-hero {
    min-height: 45vh;
    padding-top: 2rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-inner {
    padding-bottom: 2.5rem;
  }

  .channels-grid,
  .articles-grid {
    grid-template-columns: 1fr;
  }

  .footer-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .bottom-nav > ol > li > a span:not(.brand-dot) {
    font-size: 0.62rem;
  }

  .content-section,
  .channel-body-section,
  .article-main-section,
  .tag-body-section,
  .about-body-section,
  .privacy-body-section {
    padding: 2rem 1rem;
  }

  .related-list {
    grid-template-columns: 1fr;
  }

  .fullscreen-nav ol li a {
    font-size: 1rem;
    padding: 0.65rem 1.5rem;
  }

  .article-title {
    font-size: 1.6rem;
  }
}

/* ===========================
   无障碍：跳过导航
   =========================== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-pink);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 9999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }