@import url('https://fonts.googleapis.com/css2?family=Amatic+SC:wght@400;700&family=Cabin:wght@400;500;600;700&display=swap');

/* ===== 设计令牌 ===== */
:root {
  --c-white: #ffffff;
  --c-surface: #f5f5f5;
  --c-ink: #1f1f1f;
  --c-ink-60: rgba(31,31,31,0.6);
  --c-ink-20: rgba(31,31,31,0.12);
  --c-accent: #c0392b;
  --c-accent-soft: rgba(192,57,43,0.08);

  --shadow-sm: 0 2px 6px rgba(31,31,31,0.08);
  --shadow-md: 0 6px 18px rgba(31,31,31,0.12);
  --shadow-lg: 0 14px 36px rgba(31,31,31,0.16);
  --shadow-xl: 0 24px 60px rgba(31,31,31,0.22);

  --radius: 10px;
  --radius-sm: 6px;

  --font-head: 'Amatic SC', cursive;
  --font-body: 'Cabin', system-ui, -apple-system, sans-serif;

  --nav-h: 96px;
  --top-bar-h: 36px;
}

/* ===== 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(--c-white);
  color: var(--c-ink);
  line-height: 1.65;
  min-height: 100vh;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol, menu { list-style: none; }
dl { margin: 0; }

/* ===== 顶部公告条 ===== */
.top-bar {
  background: var(--c-ink);
  color: var(--c-white);
  font-size: 0.8rem;
  font-family: var(--font-body);
  letter-spacing: 0.04em;
  text-align: center;
  height: var(--top-bar-h);
  line-height: var(--top-bar-h);
  position: relative;
  z-index: 4;
}

/* ===== 头部 ===== */
.site-header {
  background: var(--c-white);
  border-bottom: 2px solid var(--c-ink);
  position: sticky;
  top: 0;
  z-index: 3;
  box-shadow: var(--shadow-md);
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.75rem 2rem;
  border-bottom: 1px solid var(--c-ink-20);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.brand-img { width: 36px; height: 36px; object-fit: contain; }
.brand-name {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: 0.02em;
  line-height: 1;
}
.brand-tagline {
  font-size: 0.82rem;
  color: var(--c-ink-60);
  margin-left: auto;
  max-width: 420px;
  text-align: right;
}

/* ===== 导航 details/summary/menu ===== */
.main-nav {
  padding: 0 2rem;
  background: var(--c-surface);
}
.nav-details {
  position: relative;
}
.nav-summary {
  display: none;
  cursor: pointer;
  padding: 0.6rem 0;
  font-weight: 600;
  font-size: 0.9rem;
  list-style: none;
  min-height: 44px;
  align-items: center;
}
.nav-summary::-webkit-details-marker { display: none; }
.nav-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.nav-menu li a {
  display: block;
  padding: 0.75rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-ink);
  letter-spacing: 0.01em;
  transition: background 0.18s, color 0.18s;
  white-space: nowrap;
  min-height: 44px;
  line-height: 1.2;
  display: flex;
  align-items: center;
}
.nav-menu li a:hover,
.nav-menu li a[aria-current="page"] {
  background: var(--c-ink);
  color: var(--c-white);
  text-decoration: none;
}

/* ===== 布局骨架 ===== */
.site-wrap { display: flex; flex-direction: column; min-height: 100vh; }

main {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 0;
  flex: 1;
  align-items: start;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1.5rem;
}
main > .wrap { min-width: 0; padding: 2.5rem 2rem 2.5rem 0; }

/* ===== 侧边栏 ===== */
.global-aside {
  position: sticky;
  top: calc(var(--top-bar-h) + var(--nav-h));
  padding: 2.5rem 0 2.5rem 1.5rem;
  border-left: 1px solid var(--c-ink-20);
  max-height: calc(100vh - var(--top-bar-h) - var(--nav-h));
  overflow-y: auto;
  z-index: 1;
}
.aside-inner { display: flex; flex-direction: column; gap: 1.5rem; }
.aside-title {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
  padding-bottom: 0.4rem;
}
.aside-sub {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-ink-60);
  margin-bottom: 0.5rem;
}
.aside-block { display: flex; flex-direction: column; gap: 0.4rem; }
.aside-links li a,
.aside-tags li a {
  display: block;
  font-size: 0.85rem;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--c-ink);
  transition: background 0.15s;
  min-height: 36px;
  line-height: 1.4;
  display: flex;
  align-items: center;
}
.aside-links li a:hover,
.aside-tags li a:hover,
.aside-links li a[aria-current="page"] {
  background: var(--c-surface);
  text-decoration: none;
}

/* ===== div 通用 ===== */
.section-title {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}
.section-title + .subtitle,
h2 + .subtitle,
h2 + p.subtitle {
  color: var(--c-ink-60);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
  line-height: 1.5;
}
.subtitle { color: var(--c-ink-60); font-size: 0.9rem; line-height: 1.5; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  min-height: 44px;
  border: 2px solid transparent;
  text-decoration: none;
}
.btn--primary {
  background: var(--c-ink);
  color: var(--c-white);
  border-color: var(--c-ink);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}
.btn--outline {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-ink);
}
.btn--outline:hover {
  background: var(--c-ink);
  color: var(--c-white);
  text-decoration: none;
}

/* ===== 标签徽章 ===== */
.tag-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.9rem;
  border: 1.5px solid var(--c-ink);
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-ink);
  background: var(--c-white);
  transition: background 0.18s, color 0.18s, transform 0.18s;
  min-height: 36px;
}
.tag-badge:hover {
  background: var(--c-ink);
  color: var(--c-white);
  transform: translateY(-1px);
  text-decoration: none;
}
.tags-cloud { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tags-label { font-size: 0.82rem; font-weight: 600; color: var(--c-ink-60); align-self: center; }

/* ===== 正文容器 ===== */
.content-section { margin-bottom: 3rem; }
.content-body { position: relative; z-index: 1; }
.page-content {
  background: var(--c-white);
  border: 1.5px solid var(--c-ink-20);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  box-shadow: var(--shadow-sm);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
  position: relative;
  z-index: 1;
}
.page-content h2 { font-family: var(--font-head); font-size: 1.8rem; margin: 1.5rem 0 0.5rem; }
.page-content h3 { font-size: 1.15rem; font-weight: 700; margin: 1.25rem 0 0.4rem; }
.page-content p { margin-bottom: 0.9rem; }
.page-content ul, .page-content ol { padding-left: 1.4rem; margin-bottom: 0.9rem; list-style: disc; }
.page-content a { color: var(--c-accent); text-decoration: underline; }
.page-content a:hover { text-decoration: none; }

/* ===== 首页 Hero ===== */
.hero-section {
  margin-bottom: 3.5rem;
  position: relative;
  z-index: 2;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: calc(100vh - var(--top-bar-h) - var(--nav-h));
  align-items: center;
  position: relative;
}
.hero-text {
  padding: 3rem 2rem 3rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  z-index: 2;
  position: relative;
}
.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-60);
  border-left: 3px solid var(--c-ink);
  padding-left: 0.6rem;
}
.hero-h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.05;
}
.hero-lead {
  font-size: 1.05rem;
  color: var(--c-ink-60);
  max-width: 480px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-media {
  position: relative;
  height: 100%;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-collage {
  position: relative;
  width: 100%;
  height: 520px;
}
.hero-img {
  position: absolute;
  border-radius: var(--radius);
  object-fit: cover;
}
.hero-img--a {
  width: 68%;
  height: 72%;
  top: 0;
  left: 0;
  z-index: 2;
  box-shadow: var(--shadow-xl);
  transform: translateZ(0) rotate(-1.5deg);
}
.hero-img--b {
  width: 58%;
  height: 64%;
  bottom: 0;
  right: 0;
  z-index: 3;
  box-shadow: var(--shadow-lg);
  transform: translateZ(0) rotate(2deg);
  border: 4px solid var(--c-white);
}
.hero-badge {
  position: absolute;
  background: var(--c-ink);
  color: var(--c-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.4rem 0.85rem;
  border-radius: 99px;
  letter-spacing: 0.06em;
  z-index: 4;
  box-shadow: var(--shadow-md);
}
.hero-badge--1 { top: 12%; right: 8%; transform: rotate(-3deg); }
.hero-badge--2 { bottom: 16%; left: 4%; transform: rotate(2deg); }

/* ===== 分类卡片 ===== */
.cats-section { margin-bottom: 3.5rem; }
.cats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  position: relative;
}
.cat-card {
  position: relative;
  border-radius: var(--radius);
  background: var(--c-white);
  border: 1.5px solid var(--c-ink-20);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.22s, box-shadow 0.22s;
  z-index: calc(var(--order, 0) + 1);
  animation: staggerIn 0.4s both;
  animation-delay: calc(var(--order, 0) * 0.07s);
}
.cat-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-xl);
  z-index: 5;
}
.cat-card__inner {
  padding: 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  height: 100%;
}
.cat-card__num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--c-ink-20);
  line-height: 1;
  position: absolute;
  top: 0.5rem;
  right: 0.8rem;
}
.cat-card__title a {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-ink);
  text-decoration: none;
}
.cat-card__title a:hover { text-decoration: underline; }
.cat-card__desc { font-size: 0.84rem; color: var(--c-ink-60); line-height: 1.5; }
.cat-card__kids { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.3rem; }
.cat-kid-link {
  font-size: 0.76rem;
  padding: 0.2rem 0.55rem;
  background: var(--c-surface);
  border-radius: var(--radius-sm);
  color: var(--c-ink);
  transition: background 0.15s;
}
.cat-kid-link:hover { background: var(--c-ink); color: var(--c-white); text-decoration: none; }
.cat-card__cta {
  margin-top: auto;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--c-ink);
  border-top: 1px solid var(--c-ink-20);
  padding-top: 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.cat-card__cta:hover { text-decoration: underline; }

/* ===== 最近条目列表 ===== */
.recent-section { margin-bottom: 3.5rem; }
.entry-list { display: flex; flex-direction: column; gap: 0; }
.entry-item {
  animation: staggerIn 0.4s both;
  animation-delay: calc(var(--order, 0) * 0.05s);
  border-bottom: 1px solid var(--c-ink-20);
}
.entry-item:last-child { border-bottom: none; }
.entry-item__link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.75rem 0.5rem;
  transition: background 0.15s;
  border-radius: var(--radius-sm);
}
.entry-item__link:hover { background: var(--c-surface); text-decoration: none; }
.entry-item__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-ink);
  flex-shrink: 0;
  transition: transform 0.18s;
}
.entry-item__link:hover .entry-item__dot { transform: scale(1.5); }
.entry-item__title { font-size: 0.95rem; font-weight: 600; color: var(--c-ink); flex: 1; }
.entry-item__date { font-size: 0.78rem; color: var(--c-ink-60); flex-shrink: 0; }

/* ===== 标签区域 ===== */
.tags-section { margin-bottom: 3rem; }

/* ===== 分类 Hero ===== */
.cat-hero-section { margin-bottom: 2.5rem; }
.cat-hero-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 0 2rem;
  border-bottom: 2px solid var(--c-ink);
  position: relative;
}
.cat-hero-text { display: flex; flex-direction: column; gap: 0.7rem; }
.cat-hero-eyebrow {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-ink-60);
  border-left: 3px solid var(--c-ink);
  padding-left: 0.5rem;
}
.cat-hero-h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.1;
}
.cat-hero-desc { font-size: 1rem; color: var(--c-ink-60); max-width: 520px; }
.cat-hero-date { font-size: 0.8rem; color: var(--c-ink-60); }
.cat-hero-deco {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
  flex-shrink: 0;
}
.cat-deco-badge, .cat-deco-count {
  background: var(--c-surface);
  border: 1.5px solid var(--c-ink-20);
  border-radius: var(--radius);
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-ink);
  box-shadow: var(--shadow-sm);
}

/* ===== 子页 dl/dt/dd 列表 ===== */
.children-section { margin-bottom: 3rem; }
.children-dl { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; }
.child-dt {
  animation: staggerIn 0.4s both;
  animation-delay: calc(var(--order, 0) * 0.07s);
}
.child-dt a { display: block; text-decoration: none; }
.child-card {
  background: var(--c-white);
  border: 1.5px solid var(--c-ink-20);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  z-index: 1;
}
.child-dt a:hover .child-card {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.child-card__media img { width: 100%; height: 140px; object-fit: cover; }
.child-card__body {
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.child-card__num { font-size: 0.72rem; font-weight: 700; color: var(--c-ink-60); letter-spacing: 0.06em; }
.child-card__title { font-size: 1rem; font-weight: 700; color: var(--c-ink); display: block; }
.child-card__date { font-size: 0.76rem; color: var(--c-ink-60); }
.child-dd {
  display: none;
}

/* ===== entry 详情页 ===== */
.entry-section { margin-bottom: 2rem; }
.entry-article { position: relative; }
.entry-header { margin-bottom: 2rem; }
.entry-breadcrumb {
  font-size: 0.8rem;
  color: var(--c-ink-60);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 1rem;
}
.entry-breadcrumb a { color: var(--c-ink); }
.entry-breadcrumb a:hover { text-decoration: underline; }
.bc-sep { color: var(--c-ink-60); }
.entry-h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}
.entry-desc { margin-bottom: 0.6rem; }
.entry-meta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.entry-date { font-size: 0.8rem; color: var(--c-ink-60); }
.entry-date--mod::before { content: '（'; }
.entry-date--mod::after { content: '）'; }
.entry-hero-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.5rem;
}
.entry-hero-img { width: 100%; height: 280px; object-fit: cover; }
.entry-content { margin-bottom: 2rem; }
.entry-footer { padding-top: 1rem; border-top: 1px solid var(--c-ink-20); }

/* ===== 兄弟页列表 ===== */
.siblings-section { margin-bottom: 2.5rem; }
.siblings-list { display: flex; flex-direction: column; }
.siblings-list li { border-bottom: 1px solid var(--c-ink-20); }
.siblings-list li:last-child { border-bottom: none; }
.siblings-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-ink);
  transition: background 0.15s;
  border-radius: var(--radius-sm);
  min-height: 44px;
}
.siblings-list li a:hover { background: var(--c-surface); text-decoration: none; }
.siblings-list time { font-size: 0.76rem; color: var(--c-ink-60); }

/* ===== 标签页 ===== */
.tag-hero-section { margin-bottom: 2.5rem; }
.tag-hero-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 0 2rem;
  border-bottom: 2px solid var(--c-ink);
}
.tag-hero-text { display: flex; flex-direction: column; gap: 0.7rem; }
.tag-eyebrow {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-ink-60);
  border-left: 3px solid var(--c-ink);
  padding-left: 0.5rem;
}
.tag-h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.1;
}
.tag-desc { font-size: 1rem; color: var(--c-ink-60); max-width: 520px; }
.tag-date { font-size: 0.8rem; color: var(--c-ink-60); }
.tag-hero-deco { flex-shrink: 0; }
.tag-deco-badge {
  background: var(--c-ink);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: block;
}
.tag-entries-section { margin-bottom: 3rem; }
.tag-entries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.1rem;
}
.tag-entry-card {
  background: var(--c-white);
  border: 1.5px solid var(--c-ink-20);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
  animation: staggerIn 0.4s both;
  animation-delay: calc(var(--order, 0) * 0.06s);
}
.tag-entry-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.tag-entry-card__link {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.1rem;
  height: 100%;
}
.tag-entry-card__link:hover { text-decoration: none; }
.tag-entry-card__num { font-size: 0.7rem; font-weight: 700; color: var(--c-ink-60); letter-spacing: 0.08em; }
.tag-entry-card__title { font-size: 0.95rem; font-weight: 700; color: var(--c-ink); line-height: 1.35; }
.tag-entry-card__desc { font-size: 0.82rem; color: var(--c-ink-60); line-height: 1.4; flex: 1; }
.tag-entry-card__date { font-size: 0.75rem; color: var(--c-ink-60); margin-top: auto; }

/* ===== 关于页 ===== */
.about-hero-section { margin-bottom: 2.5rem; }
.about-hero-inner {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.about-hero-layer {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
}
.about-hero-layer--back {
  background: var(--c-surface);
  z-index: 1;
  transform: translate(12px, 12px);
  border: 1.5px solid var(--c-ink-20);
}
.about-hero-layer--front {
  background: var(--c-white);
  z-index: 2;
  border: 2px solid var(--c-ink);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 2.5rem 2.5rem;
}
.about-eyebrow {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-ink-60);
  border-left: 3px solid var(--c-ink);
  padding-left: 0.5rem;
}
.about-h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.1;
}
.about-lead { font-size: 1rem; color: var(--c-ink-60); max-width: 520px; }
.about-date { font-size: 0.8rem; color: var(--c-ink-60); }
.about-nav-section { margin-bottom: 3rem; }
.about-nav-dl { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.1rem; }
.about-nav-dt {
  animation: staggerIn 0.4s both;
  animation-delay: calc(var(--order, 0) * 0.07s);
}
.about-nav-dt a {
  display: block;
  background: var(--c-white);
  border: 1.5px solid var(--c-ink);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--c-ink);
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s, box-shadow 0.18s;
  min-height: 48px;
  display: flex;
  align-items: center;
}
.about-nav-dt a:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}
.about-nav-dd { display: none; }

/* ===== 隐私页 ===== */
.privacy-hero-section { margin-bottom: 2.5rem; }
.privacy-hero-inner {
  padding: 2.5rem 0 2rem;
  border-bottom: 2px solid var(--c-ink);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.privacy-eyebrow {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-ink-60);
  border-left: 3px solid var(--c-ink);
  padding-left: 0.5rem;
}
.privacy-h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.1;
}
.privacy-lead { font-size: 1rem; color: var(--c-ink-60); max-width: 560px; }
.privacy-date { font-size: 0.8rem; color: var(--c-ink-60); }
.privacy-content { font-size: 0.95rem; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--c-ink);
  color: var(--c-white);
  margin-top: auto;
}
.footer-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2.5rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}
.footer-cta__text {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
}
.footer-cta .btn--primary {
  background: var(--c-white);
  color: var(--c-ink);
  border-color: var(--c-white);
  flex-shrink: 0;
}
.footer-cta .btn--primary:hover {
  background: var(--c-surface);
  border-color: var(--c-surface);
}
.footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.25rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}
.footer-address {
  font-style: normal;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.7);
}
.footer-links {
  display: flex;
  gap: 0.2rem;
  flex-wrap: wrap;
}
.footer-links li a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  min-height: 40px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}
.footer-links li a:hover { color: var(--c-white); text-decoration: none; }
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.5); }

/* ===== 动效 ===== */
@keyframes staggerIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
  main { grid-template-columns: 1fr; padding: 0 1rem; }
  main > .wrap { padding: 2rem 0; }
  .global-aside {
    position: static;
    max-height: none;
    border-left: none;
    border-top: 2px solid var(--c-ink);
    padding: 1.5rem 0;
  }
  .aside-inner { flex-direction: row; flex-wrap: wrap; gap: 1.5rem; }
  .hero-inner { grid-template-columns: 1fr; min-height: auto; }
  .hero-text { padding: 2.5rem 0 1.5rem; }
  .hero-media { min-height: 300px; }
  .hero-collage { height: 300px; }
}

@media (max-width: 768px) {
  .brand-row { flex-wrap: wrap; padding: 0.6rem 1rem; }
  .brand-tagline { display: none; }
  .main-nav { padding: 0 1rem; }
  .nav-summary { display: flex; }
  .nav-details:not([open]) .nav-menu { display: none; }
  .nav-menu { flex-direction: column; background: var(--c-white); border-top: 1px solid var(--c-ink-20); padding: 0.5rem 0; }
  .nav-menu li a { padding: 0.75rem 1rem; }

  .cats-grid { grid-template-columns: 1fr 1fr; }
  .tag-entries-grid { grid-template-columns: 1fr 1fr; }
  .children-dl { grid-template-columns: 1fr 1fr; }
  .about-nav-dl { grid-template-columns: 1fr 1fr; }

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

  .cat-hero-inner { flex-direction: column; }
  .cat-hero-deco { align-items: flex-start; }
  .tag-hero-inner { flex-direction: column; }
  .about-hero-layer--back { transform: translate(6px, 6px); }

  .hero-h1 { font-size: 2.2rem; }
}

@media (max-width: 480px) {
  .cats-grid { grid-template-columns: 1fr; }
  .tag-entries-grid { grid-template-columns: 1fr; }
  .children-dl { grid-template-columns: 1fr; }
  .about-nav-dl { grid-template-columns: 1fr; }
  .brand-name { font-size: 1.8rem; }
  .section-title { font-size: 2rem; }
  main { padding: 0 0.75rem; }
  .page-content { padding: 1.25rem 1rem; }
  .footer-cta { padding: 1.5rem 1rem; }
  .footer-bar { padding: 1rem; }
  .hero-collage { height: 220px; }
  .hero-img--a { width: 72%; height: 68%; }
  .hero-img--b { width: 62%; height: 60%; }
  .entry-h1 { font-size: 1.8rem; }
  .about-hero-layer--front { padding: 1.5rem 1.2rem; }
}