/* =========================================================
   黄金网站免费导航 — Bento Box Grid 主题样式
   字体：Calistoga / Inter
   配色：#ffffff / #f5f5f5 / #1f1f1f
========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Calistoga:ital@0;1&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── CSS 变量 ─── */
:root {
  --c-white: #ffffff;
  --c-bg: #f5f5f5;
  --c-ink: #1f1f1f;
  --c-ink-60: rgba(31,31,31,0.6);
  --c-ink-30: rgba(31,31,31,0.3);
  --c-ink-10: rgba(31,31,31,0.08);
  --c-accent: #d4a84b;
  --c-accent-light: #f7eed6;
  --c-accent-dark: #a07828;
  --radius-card: 18px;
  --radius-sm: 10px;
  --radius-pill: 100px;
  --shadow-card: 0 4px 16px rgba(31,31,31,0.07), 0 1px 4px rgba(31,31,31,0.04);
  --shadow-hover: 0 8px 32px rgba(31,31,31,0.13), 0 2px 8px rgba(31,31,31,0.06);
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
  --header-h: 64px;
  --subnav-h: 44px;
  --font-title: 'Calistoga', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-w: 1200px;
  --gap: 16px;
}

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

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

/* ─── 通用布局 ─── */
.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Header & Nav ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-ink-10);
  box-shadow: 0 2px 8px rgba(31,31,31,0.06);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
}
.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-right { justify-content: flex-end; }
.nav-left li a,
.nav-right li a {
  display: block;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-ink);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  min-height: 40px;
  line-height: 1.4;
  display: flex;
  align-items: center;
}
.nav-left li a:hover,
.nav-right li a:hover,
.nav-left li a[aria-current="page"],
.nav-right li a[aria-current="page"] {
  background: var(--c-ink-10);
  color: var(--c-ink);
}
.brand-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}
.brand-text {
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 400;
  color: var(--c-ink);
  text-align: center;
  line-height: 1.2;
  white-space: nowrap;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── 二级粘性锚点条 ─── */
.subnav-bar {
  background: var(--c-bg);
  border-top: 1px solid var(--c-ink-10);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.subnav-bar::-webkit-scrollbar { display: none; }
.subnav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  min-width: max-content;
}
.subnav-list li a {
  display: flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-ink-60);
  border-radius: var(--radius-pill);
  transition: background var(--transition), color var(--transition);
  min-height: 40px;
  white-space: nowrap;
}
.subnav-list li a:hover,
.subnav-list li a.active {
  background: var(--c-ink);
  color: var(--c-white);
}

/* ─── 首页 Hero ─── */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--c-ink);
}
.hero-collage {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.hero-frame {
  overflow: hidden;
}
.hero-frame-a {
  grid-column: 1;
  grid-row: 1;
  transform: translateY(-5%);
}
.hero-frame-b {
  grid-column: 2;
  grid-row: 1;
  transform: translateY(5%);
}
.hero-frame img,
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-placeholder {
  background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
}
.hero-copy {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 24px;
  max-width: 720px;
}
.hero-h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 400;
  color: var(--c-white);
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.4);
}
.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero-cta {
  display: inline-block;
  padding: 16px 40px;
  background: var(--c-accent);
  color: var(--c-ink);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 16px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  min-height: 52px;
  line-height: 1.4;
}
.hero-cta:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 24px rgba(212,168,75,0.35);
  background: var(--c-accent-dark);
  color: var(--c-white);
}

/* ─── 分区通用 ─── */
.page-hero-section,
.page-content-section,
.page-modules-section { width: 100%; }

/* ─── section heading ─── */
.section-heading {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--c-ink);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-heading span { display: inline; }
.count-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  background: var(--c-ink-10);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  color: var(--c-ink-60);
}

/* ─── Bento Grid 分类区 ─── */
.bento-section {
  padding: 48px 0;
}
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 160px;
  gap: var(--gap);
}
.bento-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  background: var(--c-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}
.bento-tile:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}
.tile-wide {
  grid-column: span 2;
  grid-row: span 2;
  background: var(--c-ink);
  color: var(--c-white);
}
.tile-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: none;
  opacity: 0.5;
}
.tile-wide .tile-label { opacity: 0.6; color: var(--c-white); }
.tile-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--c-ink);
}
.tile-title span { display: block; }
.tile-wide .tile-title { font-size: 1.8rem; color: var(--c-white); }
.tile-arrow {
  font-size: 20px;
  color: var(--c-accent);
  line-height: 1;
}
.tile-wide .tile-arrow { color: var(--c-accent); }

/* ─── 首页布局 ─── */
.home-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 0 0 48px;
}
.home-main { flex: 1; min-width: 0; }

/* ─── 内容正文 ─── */
.page-content-section { padding: 40px 0 0; }
.content-body {
  background: var(--c-white);
  border-radius: var(--radius-card);
  padding: 36px 40px;
  box-shadow: var(--shadow-card);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink);
  margin-bottom: 32px;
}
.content-body h2 { font-family: var(--font-title); font-size: 1.4rem; margin: 24px 0 12px; }
.content-body h3 { font-size: 1.1rem; font-weight: 600; margin: 20px 0 10px; }
.content-body p { margin-bottom: 16px; }
.content-body ul, .content-body ol { margin: 0 0 16px 20px; }
.content-body li { margin-bottom: 6px; }
.content-body a { color: var(--c-accent-dark); text-decoration: underline; }
.content-body a:hover { color: var(--c-ink); }

/* ─── 侧边栏 ─── */
.home-aside,
.content-aside {
  width: 240px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: calc(var(--header-h) + 16px);
}
.aside-block {
  background: var(--c-white);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.aside-heading {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 400;
  color: var(--c-ink);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-ink-10);
}
.aside-heading span { display: inline; }
.aside-text {
  font-size: 14px;
  color: var(--c-ink-60);
  line-height: 1.6;
  margin-bottom: 12px;
}
.aside-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-accent-dark);
  text-decoration: underline;
  min-height: 40px;
  line-height: 40px;
}
.aside-links { display: flex; flex-direction: column; gap: 2px; }
.aside-links li a {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  color: var(--c-ink);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  min-height: 40px;
  line-height: 1.4;
  display: flex;
  align-items: center;
}
.aside-links li a:hover {
  background: var(--c-bg);
}
.aside-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ─── Tag 胶囊 ─── */
.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--c-bg);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-ink);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  min-height: 40px;
}
.tag-pill:hover {
  background: var(--c-ink);
  color: var(--c-white);
  transform: translateY(-2px);
}

/* ─── 标签云 ─── */
.tags-section { padding: 0 0 48px; }
.tags-cloud { display: flex; flex-wrap: wrap; gap: 10px; }

/* ─── Entry 卡片网格 ─── */
.entries-section { padding: 0 0 48px; }
.entries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--gap);
}
.entry-card {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.entry-card:hover {
  transform: scale(1.02) translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.entry-thumb-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--c-bg);
}
.entry-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.entry-card:hover .entry-thumb-wrap img { transform: scale(1.05); }
.entry-thumb-empty { min-height: 140px; }
.entry-info {
  padding: 16px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.entry-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-accent-dark);
  letter-spacing: 0.05em;
}
.entry-title {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 400;
  color: var(--c-ink);
  line-height: 1.4;
}
.entry-title span { display: block; }
.entry-date, .page-date {
  font-size: 12px;
  color: var(--c-ink-60);
  font-family: var(--font-mono);
}
.entry-desc {
  font-size: 14px;
  color: var(--c-ink-60);
  line-height: 1.5;
}

/* ─── 栏目页 & 详情页 布局 ─── */
.cat-hero-section,
.tag-hero-section,
.about-hero-section,
.privacy-hero-section,
.default-hero-section {
  padding: 60px 0 40px;
}
.cat-hero-inner,
.tag-hero-inner,
.about-hero-inner,
.privacy-hero-inner {
  max-width: 700px;
}
.cat-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-accent-dark);
  background: var(--c-accent-light);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.cat-h1 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  color: var(--c-ink);
  line-height: 1.25;
  margin-bottom: 12px;
}
.cat-desc {
  font-size: 16px;
  color: var(--c-ink-60);
  line-height: 1.7;
  max-width: 600px;
  margin-top: 8px;
}

/* ─── 栏目 + Entry 双栏布局 ─── */
.cat-body-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding-bottom: 48px;
}
.cat-main { flex: 1; min-width: 0; }

/* ─── 子页 dl 列表 ─── */
.children-section { padding: 32px 0 0; }
.children-dl { display: flex; flex-direction: column; gap: 16px; }
.child-dt { display: block; }
.child-dt a { display: block; text-decoration: none; }
.child-card {
  display: flex;
  gap: 16px;
  background: var(--c-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  padding: 0;
}
.child-dt a:hover .child-card {
  transform: translateX(4px);
  box-shadow: var(--shadow-hover);
}
.child-thumb-wrap {
  width: 120px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--c-bg);
  min-height: 80px;
}
.child-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.child-thumb-empty { width: 80px; }
.child-info {
  flex: 1;
  padding: 16px 16px 16px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.child-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-accent-dark);
}
.child-title {
  font-family: var(--font-title);
  font-size: 1rem;
  color: var(--c-ink);
  line-height: 1.4;
}
.child-dd {
  font-size: 14px;
  color: var(--c-ink-60);
  padding: 6px 20px 16px;
  line-height: 1.6;
  background: var(--c-white);
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  margin-top: -16px;
  box-shadow: var(--shadow-card);
  box-shadow: 0 4px 16px rgba(31,31,31,0.07);
}

/* ─── Entry 详情页 ─── */
.entry-top-section { padding: 40px 0 20px; }
.entry-header { max-width: 800px; }
.entry-h1 {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 400;
  color: var(--c-ink);
  line-height: 1.3;
  margin: 12px 0;
}
.entry-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}
.entry-meta-date {
  font-size: 13px;
  color: var(--c-ink-60);
  font-family: var(--font-mono);
}
.entry-hero-img-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 24px;
  max-width: 720px;
}
.entry-hero-img { width: 100%; height: auto; }
.entry-body-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding-bottom: 48px;
}
.entry-main { flex: 1; min-width: 0; }
.entry-content { margin-bottom: 24px; }
.entry-footer-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 0;
}
.back-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-ink-60);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--c-white);
  transition: background var(--transition), color var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.back-link:hover { background: var(--c-ink); color: var(--c-white); }

/* ─── Siblings ─── */
.siblings-block { margin-top: 20px; }
.siblings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.sibling-card {
  display: block;
  padding: 12px 14px;
  background: var(--c-bg);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--c-ink);
  transition: background var(--transition), transform var(--transition);
  min-height: 44px;
}
.sibling-card:hover {
  background: var(--c-ink-10);
  transform: translateY(-1px);
}
.sibling-title { display: block; line-height: 1.4; }

/* ─── 面包屑 ─── */
.breadcrumb {
  margin-bottom: 16px;
}
.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb ol li {
  font-size: 13px;
  color: var(--c-ink-60);
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb ol li:not(:last-child)::after {
  content: '›';
  color: var(--c-ink-30);
}
.breadcrumb ol li a {
  color: var(--c-accent-dark);
  text-decoration: underline;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.breadcrumb ol li a:hover { color: var(--c-ink); }

/* ─── About 页 ─── */
.about-body { margin-bottom: 24px; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--c-white);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-num {
  font-family: var(--font-title);
  font-size: 2rem;
  color: var(--c-ink);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--c-ink-60);
}
.about-nav-links,
.privacy-footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--c-ink);
  color: var(--c-white);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 15px;
  transition: background var(--transition), transform var(--transition);
  min-height: 48px;
}
.btn-primary:hover {
  background: var(--c-accent-dark);
  transform: scale(1.02);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 14px 24px;
  background: var(--c-white);
  color: var(--c-ink);
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 15px;
  border: 1.5px solid var(--c-ink-10);
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
  min-height: 48px;
}
.btn-secondary:hover {
  background: var(--c-bg);
  border-color: var(--c-ink-30);
  transform: scale(1.02);
}

/* ─── Footer ─── */
.site-footer {
  background: var(--c-ink);
  color: var(--c-white);
  margin-top: 64px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-cta-block {
  padding: 56px 0 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-cta-text {
  font-size: 20px;
  font-weight: 300;
  color: rgba(255,255,255,0.85);
  line-height: 1.4;
}
.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 16px 36px;
  background: var(--c-accent);
  color: var(--c-ink);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  min-height: 52px;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.footer-cta-btn:hover {
  background: var(--c-white);
  transform: scale(1.03);
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  padding: 40px 0 32px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-brand {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--c-white);
  line-height: 1.3;
}
.footer-slogan {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}
.footer-nav ol {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-nav ol li a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  padding: 6px 0;
  transition: color var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.footer-nav ol li a:hover { color: var(--c-white); }
.footer-col-right { text-align: right; }
.footer-links-row {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
}
.footer-links-row a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}
.footer-links-row a:hover { color: var(--c-white); }
.footer-copyright {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  line-height: 1.5;
}

/* ─── 动效 stagger ─── */
@media (prefers-reduced-motion: no-preference) {
  .entries-grid .entry-card,
  .bento-grid .bento-tile,
  .children-dl .child-dt {
    animation: fadeUp 0.4s ease both;
  }
  .entries-grid .entry-card:nth-child(1) { animation-delay: 0.05s; }
  .entries-grid .entry-card:nth-child(2) { animation-delay: 0.10s; }
  .entries-grid .entry-card:nth-child(3) { animation-delay: 0.15s; }
  .entries-grid .entry-card:nth-child(4) { animation-delay: 0.20s; }
  .entries-grid .entry-card:nth-child(5) { animation-delay: 0.25s; }
  .entries-grid .entry-card:nth-child(6) { animation-delay: 0.30s; }
  .entries-grid .entry-card:nth-child(7) { animation-delay: 0.35s; }
  .entries-grid .entry-card:nth-child(8) { animation-delay: 0.40s; }
  .bento-grid .bento-tile:nth-child(1) { animation-delay: 0.05s; }
  .bento-grid .bento-tile:nth-child(2) { animation-delay: 0.10s; }
  .bento-grid .bento-tile:nth-child(3) { animation-delay: 0.15s; }
  .bento-grid .bento-tile:nth-child(4) { animation-delay: 0.20s; }
  .children-dl .child-dt:nth-child(odd) { animation-delay: 0.08s; }
  .children-dl .child-dt:nth-child(even) { animation-delay: 0.16s; }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

/* ─── 响应式 ─── */
@media (max-width: 960px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tile-wide {
    grid-column: span 2;
  }
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }
  .footer-col-right {
    grid-column: span 2;
    text-align: left;
  }
  .footer-links-row { justify-content: flex-start; }
}

@media (max-width: 768px) {
  :root { --header-h: 56px; }
  .main-nav {
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    justify-content: flex-start;
    flex-wrap: nowrap;
  }
  .main-nav::-webkit-scrollbar { display: none; }
  .nav-left, .nav-right {
    flex: 0 0 auto;
    gap: 2px;
  }
  .brand-logo { flex-shrink: 0; }
  .nav-left li a,
  .nav-right li a { font-size: 12px; padding: 10px 8px; }
  .brand-text { font-size: 10px; max-width: 80px; }

  .home-layout,
  .cat-body-layout,
  .entry-body-layout {
    flex-direction: column-reverse;
  }
  .home-aside,
  .content-aside {
    width: 100%;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
  }
  .aside-block {
    flex: 1;
    min-width: 200px;
  }

  .bento-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 140px;
  }
  .tile-wide { grid-column: span 2; grid-row: span 1; }
  .tile-wide .tile-title { font-size: 1.3rem; }

  .footer-cols { grid-template-columns: 1fr; gap: 24px; }
  .footer-col-right { grid-column: auto; }
  .footer-cta-block { flex-direction: column; align-items: flex-start; }
  .footer-cta-btn { width: 100%; justify-content: center; }

  .about-stats { grid-template-columns: 1fr 1fr; }
  .siblings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .hero-h1 { font-size: 1.8rem; }
  .hero-sub { font-size: 15px; }
  .hero-cta { padding: 14px 28px; font-size: 15px; }
  .cat-h1 { font-size: 1.6rem; }
  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .bento-tile { min-height: 120px; }
  .tile-wide { grid-column: span 1; }
  .entries-grid { grid-template-columns: 1fr; }
  .content-body { padding: 24px 20px; }
  .about-stats { grid-template-columns: 1fr; }
  .footer-cta-text { font-size: 16px; }
  .child-thumb-wrap { width: 80px; }
}

/* ─── 打印 ─── */
@media print {
  .site-header, .site-footer, .content-aside, .home-aside { display: none; }
  .cat-body-layout, .home-layout, .entry-body-layout { display: block; }
  body { background: white; color: black; }
}