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

/* ===== CSS 变量 ===== */
:root {
  --mint: #b4fde1;
  --sky: #add8e6;
  --ink: #172620;
  --mint-dark: #7ee8c0;
  --sky-dark: #7ab8cc;
  --ink-light: #2e4a3f;
  --white: #ffffff;
  --off-white: #f4fef9;
  --card-bg: #e8fef4;
  --card-bg2: #ddf0f8;
  --text: #1a2e27;
  --text-muted: #4a6b5e;
  --border: #172620;
  --border-w: 3px;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --shadow-outer: 4px 4px 0px var(--ink);
  --shadow-inner: inset -2px -2px 6px rgba(23,38,32,0.12);
  --shadow-card: 5px 5px 0px var(--ink);
  --font-head: 'Poppins', 'Open Sans', system-ui, sans-serif;
  --font-body: 'Open Sans', 'Poppins', system-ui, sans-serif;
  --transition: 200ms cubic-bezier(0.34, 1.56);
  --transition-std: 200ms ease-out;
}

/* ===== 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);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--off-white);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--ink-light); }
ul, ol { list-style: none; }

/* ===== 通用按钮 ===== */
.clay-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--mint);
  color: var(--ink);
  box-shadow: var(--shadow-outer);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: 44px;
  white-space: nowrap;
}
.clay-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--ink);
  color: var(--ink);
}
.clay-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--ink);
}
.btn-primary { background: var(--mint); }
.btn-secondary { background: var(--sky); }
.btn-sm { padding: 0.4rem 1rem; font-size: 0.85rem; min-height: 40px; }

/* ===== 通用卡片 ===== */
.clay-card {
  background: var(--card-bg);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card), var(--shadow-inner);
  padding: 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.clay-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px var(--ink), var(--shadow-inner);
}

/* ===== 页头 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--mint);
  border-bottom: var(--border-w) solid var(--border);
  box-shadow: 0 3px 0 var(--ink);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 64px;
}
.header-brand { flex-shrink: 0; }
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}
.brand-logo { width: 32px; height: 32px; border-radius: 8px; }
.brand-name { white-space: nowrap; }

.main-nav { flex: 1; overflow: hidden; }
.main-nav p {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: center;
  align-items: center;
}
.main-nav p a {
  padding: 0.4rem 0.7rem;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: background var(--transition-std), border-color var(--transition-std), transform var(--transition);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  color: var(--ink);
}
.main-nav p a:hover, .main-nav p a.nav-active {
  background: var(--ink);
  color: var(--mint);
  border-color: var(--ink);
  transform: translate(-1px, -1px);
}
.header-cta { flex-shrink: 0; }
.cta-btn { background: var(--ink); color: var(--mint); border-color: var(--ink); }
.cta-btn:hover { background: var(--ink-light); color: var(--white); }

/* ===== 粘性锚点条 ===== */
.sticky-bar {
  position: sticky;
  top: 64px;
  z-index: 90;
  background: var(--sky);
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.sticky-bar::-webkit-scrollbar { display: none; }
.sticky-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  gap: 0;
  align-items: center;
  height: 44px;
}
.sticky-inner a {
  padding: 0 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-head);
  color: var(--ink);
  border-right: 1px solid rgba(23,38,32,0.2);
  white-space: nowrap;
  height: 44px;
  display: inline-flex;
  align-items: center;
  transition: background var(--transition-std);
}
.sticky-inner a:hover { background: rgba(23,38,32,0.08); }

/* ===== 布局容器 ===== */
main { min-height: 60vh; }
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* main > article.wrap > section > div 四层 */
.content-section { padding: 2rem 0; }
.content-article {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  align-items: start;
}
.content-main { min-width: 0; }

/* ===== Sidebar ===== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 120px;
}
.sidebar-card { background: var(--card-bg2); }
.sidebar-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.sidebar-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  font-family: var(--font-head);
  color: var(--ink);
}
.sidebar-links li { margin-bottom: 0.4rem; }
.sidebar-links a {
  font-size: 0.88rem;
  color: var(--ink-light);
  border-bottom: 1px dotted var(--mint-dark);
  padding-bottom: 2px;
  display: block;
  transition: color var(--transition-std), border-color var(--transition-std);
}
.sidebar-links a:hover { color: var(--ink); border-color: var(--ink); }
.sidebar-about p { font-size: 0.85rem; line-height: 1.6; margin-bottom: 0.75rem; color: var(--text-muted); }

/* ===== small 眉题（h2/h3 前） ===== */
.section-head { margin: 2rem 0 1rem; }
.section-head small,
.section-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.section-head h2 {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
}

/* ===== Hero（首页）===== */
.hero-section { padding: 2rem 0 1.5rem; }
.hero-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  min-height: 40vh;
  background: linear-gradient(135deg, var(--mint) 0%, var(--sky) 100%);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem;
  overflow: hidden;
  position: relative;
}
.hero-media { display: flex; justify-content: center; align-items: center; }
.hero-blob {
  position: relative;
  width: 220px;
  height: 220px;
  background: var(--white);
  border: var(--border-w) solid var(--border);
  border-radius: 50%;
  box-shadow: var(--shadow-card), var(--shadow-inner);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg-text {
  position: absolute;
  font-size: 5rem;
  font-weight: 900;
  font-family: var(--font-head);
  color: rgba(23,38,32,0.06);
  user-select: none;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}
.hero-icon-wrap { position: relative; z-index: 1; }
.hero-logo { width: 100px; height: 100px; border-radius: 50%; }
.hero-placeholder { font-size: 5rem; line-height: 1; }
.hero-text { position: relative; z-index: 1; }
.hero-eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-light);
  margin-bottom: 0.5rem;
}
.hero-text h1 {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 1rem;
}
.hero-desc { font-size: 1rem; color: var(--ink-light); margin-bottom: 1.5rem; line-height: 1.6; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== 频道卡片网格 ===== */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.channel-card { display: flex; flex-direction: column; gap: 0.5rem; }
.card-eyebrow small {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.channel-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}
.channel-card h3 a { color: var(--ink); }
.channel-card h3 a:hover { color: var(--ink-light); }
.card-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; flex: 1; }
.card-latest {
  font-size: 0.82rem;
  padding: 0.4rem 0.6rem;
  background: var(--mint);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.latest-label {
  font-weight: 700;
  font-size: 0.72rem;
  background: var(--ink);
  color: var(--mint);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  flex-shrink: 0;
}
.card-latest a { color: var(--ink); font-weight: 500; }
.card-btn { align-self: flex-start; }

/* ===== 最新文章网格 ===== */
.recent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.recent-item {
  background: var(--white);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-outer);
  padding: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.recent-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--ink);
}
.recent-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}
.recent-channel {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--sky);
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.5rem;
  color: var(--ink);
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}
.recent-date { font-size: 0.75rem; color: var(--text-muted); }
.recent-item h4 { font-family: var(--font-head); font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }
.recent-item h4 a { color: var(--ink); }
.recent-item h4 a:hover { color: var(--ink-light); }
.recent-item p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* ===== 频道页头 ===== */
.channel-hero-section { padding: 2rem 0 1rem; }
.channel-hero-article {
  background: linear-gradient(135deg, var(--sky) 0%, var(--mint) 100%);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem;
}
.channel-hero-inner { max-width: 700px; }
.channel-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--mint);
  padding: 0.2rem 0.7rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}
.channel-hero-article h1 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.channel-desc { font-size: 1rem; color: var(--ink-light); line-height: 1.6; }
.channel-updated { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.5rem; }

/* ===== 资源表格 ===== */
.table-wrap {
  overflow-x: auto;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 2rem;
}
.resource-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--white);
}
.resource-table thead {
  background: var(--ink);
  color: var(--mint);
}
.resource-table th {
  padding: 0.75rem 1rem;
  font-family: var(--font-head);
  font-weight: 600;
  text-align: left;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
}
.resource-table tbody tr { border-bottom: 1px solid rgba(23,38,32,0.1); transition: background var(--transition-std); }
.resource-table tbody tr:hover { background: var(--card-bg); }
.resource-table td { padding: 0.75rem 1rem; vertical-align: top; }
.tbl-num { font-weight: 700; font-family: var(--font-head); color: var(--text-muted); width: 50px; }
.tbl-title a { font-weight: 600; color: var(--ink); border-bottom: 2px solid var(--mint-dark); }
.tbl-title a:hover { color: var(--ink-light); border-color: var(--ink); }
.tbl-desc { color: var(--text-muted); font-size: 0.85rem; max-width: 300px; }
.tbl-date { white-space: nowrap; font-size: 0.82rem; color: var(--text-muted); }
.empty-tip { color: var(--text-muted); font-style: italic; padding: 2rem 0; }

/* ===== 文章页 ===== */
.article-header-section { padding: 2rem 0 1rem; }
.article-header-article {
  background: linear-gradient(135deg, var(--mint) 0%, var(--white) 100%);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem;
}
.article-meta-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.breadcrumb-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-light);
  background: var(--sky);
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.5rem;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
}
.breadcrumb-sep { color: var(--text-muted); font-size: 0.9rem; }
.article-date { font-size: 0.82rem; color: var(--text-muted); }
.article-updated { font-size: 0.78rem; color: var(--text-muted); }
.article-header-article h1 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}
.article-lead { font-size: 1.05rem; color: var(--ink-light); line-height: 1.65; margin-bottom: 1rem; }
.article-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--mint);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 0.2rem 0.75rem;
  color: var(--ink);
  min-height: 28px;
  transition: background var(--transition-std), transform var(--transition);
}
.tag-chip:hover { background: var(--sky); transform: translate(-1px, -1px); }
.article-hero-wrap { margin-top: 1.25rem; border-radius: var(--radius); overflow: hidden; border: var(--border-w) solid var(--border); }
.article-hero-img { width: 100%; height: auto; }
.article-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 2rem;
}
.article-body h2 { font-family: var(--font-head); font-size: 1.4rem; font-weight: 700; color: var(--ink); margin: 2rem 0 0.75rem; }
.article-body h3 { font-family: var(--font-head); font-size: 1.15rem; font-weight: 600; color: var(--ink); margin: 1.5rem 0 0.6rem; }
.article-body p { margin-bottom: 1rem; }
.article-body ul, .article-body ol { margin: 0.75rem 0 1rem 1.5rem; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.4rem; }
.article-body a { color: var(--ink); border-bottom: 2px solid var(--mint-dark); }
.article-body a:hover { border-color: var(--ink); }
.article-body blockquote {
  border-left: 4px solid var(--mint-dark);
  background: var(--card-bg);
  padding: 0.75rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1rem 0;
  font-style: italic;
  color: var(--text-muted);
}
.article-footer-nav { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

/* ===== 标签页 ===== */
.tag-header-section { padding: 2rem 0 1rem; }
.tag-header-article {
  background: linear-gradient(135deg, var(--sky) 0%, var(--mint) 100%);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem;
}
.tag-hero-inner { max-width: 700px; }
.tag-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.5rem;
}
.tag-header-article h1 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.tag-desc { font-size: 1rem; color: var(--ink-light); line-height: 1.6; }
.tag-count {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--ink);
  color: var(--mint);
  padding: 0.2rem 0.75rem;
  border-radius: 20px;
}
.tag-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.tag-card h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.tag-card h3 a { color: var(--ink); }
.tag-card h3 a:hover { color: var(--ink-light); }
.tag-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }
.tag-card-meta { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.tag-num { font-family: var(--font-head); font-weight: 700; font-size: 0.82rem; color: var(--text-muted); }
.tag-channel {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--sky);
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.4rem;
  color: var(--ink);
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ===== 关于页 ===== */
.about-header-section { padding: 2rem 0 1rem; }
.about-header-article {
  background: linear-gradient(135deg, var(--mint) 0%, var(--sky) 100%);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem;
}
.about-hero {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.about-hero-icon { font-size: 4.5rem; flex-shrink: 0; line-height: 1; }
.about-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.5rem;
}
.about-header-article h1 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.about-lead { font-size: 1rem; color: var(--ink-light); line-height: 1.65; }
.about-body {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  color: var(--text);
}
.about-body h2 { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; color: var(--ink); margin: 1.5rem 0 0.6rem; }
.about-body p { margin-bottom: 1rem; }
.about-channel-list { margin-bottom: 2rem; }
.about-channel-list li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  box-shadow: 3px 3px 0 var(--ink);
  margin-bottom: 0.6rem;
  transition: transform var(--transition), box-shadow var(--transition);
  flex-wrap: wrap;
}
.about-channel-list li:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink);
}
.about-channel-list a { font-weight: 700; color: var(--ink); font-size: 0.95rem; flex-shrink: 0; }
.ch-desc { font-size: 0.85rem; color: var(--text-muted); }
.about-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== 隐私页 ===== */
.privacy-header-section { padding: 2rem 0 1rem; }
.privacy-header-article {
  background: linear-gradient(135deg, var(--sky) 0%, var(--off-white) 100%);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem;
}
.privacy-hero { max-width: 700px; }
.privacy-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.privacy-header-article h1 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.privacy-lead { font-size: 1rem; color: var(--ink-light); line-height: 1.65; }
.privacy-updated { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.5rem; }
.privacy-body {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  color: var(--text);
}
.privacy-body h2 { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; color: var(--ink); margin: 1.5rem 0 0.6rem; }
.privacy-body p { margin-bottom: 1rem; }
.privacy-body ul { margin: 0.75rem 0 1rem 1.5rem; list-style: disc; }
.privacy-body li { margin-bottom: 0.4rem; }
.privacy-footer-nav { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== 默认页 ===== */
.default-header-section { padding: 2rem 0 1rem; }
.default-header-article {
  background: linear-gradient(135deg, var(--mint) 0%, var(--sky) 100%);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem;
}
.default-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.default-header-article h1 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.page-content { font-size: 1rem; line-height: 1.8; margin-bottom: 2rem; }
.page-content h2 { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; color: var(--ink); margin: 1.5rem 0 0.6rem; }
.page-content p { margin-bottom: 1rem; }
.page-content ul { margin: 0.75rem 0 1rem 1.5rem; list-style: disc; }
.page-content li { margin-bottom: 0.4rem; }
.page-content a { color: var(--ink); border-bottom: 2px solid var(--mint-dark); }
.page-content a:hover { border-color: var(--ink); }
.default-nav-links { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink);
  color: var(--mint);
  border-top: var(--border-w) solid var(--border);
  margin-top: 3rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1rem 1.5rem;
  border-bottom: 1px solid rgba(180,253,225,0.15);
}
.footer-brand-name {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.footer-brand-desc { font-size: 0.85rem; color: rgba(180,253,225,0.7); line-height: 1.6; }
.footer-sub-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 0.4rem;
}
.footer-sub-tip { font-size: 0.85rem; color: rgba(180,253,225,0.7); line-height: 1.6; }
.footer-cols {
  display: flex;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
  border-bottom: 1px solid rgba(180,253,225,0.1);
}
.footer-dl { flex: 1; min-width: 0; }
.footer-dl dt {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--mint);
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid rgba(180,253,225,0.2);
}
.footer-dl dd { margin-bottom: 0.35rem; }
.footer-dl a {
  font-size: 0.82rem;
  color: rgba(180,253,225,0.7);
  transition: color var(--transition-std);
}
.footer-dl a:hover { color: var(--mint); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  font-size: 0.8rem;
  color: rgba(180,253,225,0.5);
  text-align: center;
}
.footer-bottom a { color: rgba(180,253,225,0.7); }
.footer-bottom a:hover { color: var(--mint); }

/* ===== Reveal 动效 ===== */
@media (prefers-reduced-motion: no-preference) {
  .reveal-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.34, 1.56);
  }
  .reveal-item.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .content-article { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .hero-article { grid-template-columns: 1fr; gap: 1.5rem; min-height: auto; padding: 2rem; }
  .hero-media { order: -1; }
  .hero-blob { width: 160px; height: 160px; }
  .hero-placeholder { font-size: 3.5rem; }
  .hero-text h1 { font-size: 1.6rem; }
  .footer-top { grid-template-columns: 1fr; gap: 1.25rem; }
  .footer-cols { flex-wrap: wrap; gap: 1.5rem; }
  .footer-dl { flex: 1 1 40%; }
  .about-hero { flex-direction: column; gap: 1rem; }
}
@media (max-width: 640px) {
  .header-inner { height: 56px; }
  .main-nav { display: none; }
  .sticky-bar { top: 56px; }
  .brand-name { font-size: 0.95rem; }
  .hero-text h1 { font-size: 1.35rem; }
  .channel-hero-article h1, .tag-header-article h1, .article-header-article h1,
  .about-header-article h1, .privacy-header-article h1 { font-size: 1.4rem; }
  .section-head h2 { font-size: 1.3rem; }
  .channel-grid, .recent-grid, .tag-cards-grid { grid-template-columns: 1fr; }
  .footer-cols { flex-direction: column; }
  .footer-dl { flex: none; width: 100%; }
  .hero-actions, .about-actions, .article-footer-nav, .privacy-footer-nav, .default-nav-links { flex-direction: column; }
  .clay-btn { width: 100%; justify-content: center; }
  .tbl-desc { display: none; }
}
@media (max-width: 400px) {
  .wrap { padding: 0 0.75rem; }
  .channel-hero-article, .tag-header-article, .article-header-article,
  .about-header-article, .privacy-header-article, .hero-article { padding: 1.25rem; }
}