@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

/* ============================================================
   CSS 变量 & 全局重置
   ============================================================ */
:root {
  --c-primary: #ff0080;
  --c-secondary: #ff00ff;
  --c-bg: #26171f;
  --c-bg2: #1e1219;
  --c-bg3: #2e1a26;
  --c-surface: rgba(255,255,255,0.06);
  --c-surface2: rgba(255,255,255,0.10);
  --c-border: rgba(255,0,128,0.30);
  --c-border2: rgba(255,0,255,0.20);
  --c-text: #f0e8ef;
  --c-text2: #c9b4c4;
  --c-text3: #9a7d94;
  --c-link: #ff5cc0;
  --c-link-hover: #ff00ff;
  --radius-card: 28px;
  --radius-sm: 12px;
  --radius-btn: 50px;
  --aside-w: 260px;
  --font-body: 'Roboto', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --glow-primary: 0 0 20px rgba(255,0,128,0.4);
  --glow-secondary: 0 0 20px rgba(255,0,255,0.3);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
}

a {
  color: var(--c-link);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--c-link-hover); }
a:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul { list-style: none; }

/* ============================================================
   极光背景
   ============================================================ */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.aurora-layer {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  mix-blend-mode: screen;
}

.aurora-layer.a1 {
  width: 70vw;
  height: 70vw;
  top: -20%;
  left: -15%;
  background: radial-gradient(ellipse at center, #ff0080 0%, transparent 70%);
  animation: auroraFloat1 18s ease-in-out infinite alternate;
}

.aurora-layer.a2 {
  width: 60vw;
  height: 60vw;
  top: 10%;
  right: -10%;
  background: radial-gradient(ellipse at center, #ff00ff 0%, transparent 70%);
  animation: auroraFloat2 22s ease-in-out infinite alternate;
}

.aurora-layer.a3 {
  width: 50vw;
  height: 50vw;
  bottom: -10%;
  left: 30%;
  background: radial-gradient(ellipse at center, #8000ff 0%, transparent 70%);
  animation: auroraFloat3 26s ease-in-out infinite alternate;
}

.aurora-bg--dim .aurora-layer { opacity: 0.18; }

@keyframes auroraFloat1 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(8vw, 6vh) scale(1.15); }
}
@keyframes auroraFloat2 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-6vw, 10vh) scale(0.9); }
}
@keyframes auroraFloat3 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(4vw, -8vh) scale(1.1); }
}

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

/* ============================================================
   Aside 导航
   ============================================================ */
.site-aside {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--aside-w);
  height: 100vh;
  background: rgba(38,23,31,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--c-border);
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding-bottom: 24px;
}

.brand-bar {
  padding: 28px 20px 20px;
  border-bottom: 1px solid var(--c-border2);
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-name {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
  flex: 1;
}
.brand-name:hover {
  filter: brightness(1.2);
}

.brand-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
}

.site-aside nav {
  padding: 16px 0;
  flex: 1;
}

.site-aside nav ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
}

.site-aside nav ul li a {
  display: block;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--c-text2);
  transition: background var(--transition), color var(--transition);
  line-height: 1.4;
}

.site-aside nav ul li a:hover,
.site-aside nav ul li a[aria-current="page"] {
  background: rgba(255,0,128,0.15);
  color: var(--c-primary);
}

.site-aside nav ul li a[aria-current="page"] {
  border-left: 3px solid var(--c-primary);
  padding-left: 11px;
}

/* ============================================================
   主体布局
   ============================================================ */
.main-wrap {
  margin-left: var(--aside-w);
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 公告条 */
.notice-bar {
  background: linear-gradient(90deg, rgba(255,0,128,0.15), rgba(255,0,255,0.15));
  border-bottom: 1px solid var(--c-border2);
  padding: 8px 32px;
  font-size: 0.82rem;
  color: var(--c-text2);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ============================================================
   Hero — 首页
   ============================================================ */
.hero-home {
  position: relative;
  min-height: 45vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255,0,128,0.25) 0%, rgba(255,0,255,0.15) 50%, transparent 100%);
  padding: 60px 40px 100px;
}

.hero-inner {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-inner h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  background: linear-gradient(135deg, #fff 0%, var(--c-primary) 50%, var(--c-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--c-text2);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-arc {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--c-bg);
  clip-path: ellipse(55% 100% at 50% 100%);
}

/* ============================================================
   page-header (category/generic)
   ============================================================ */
.page-header {
  position: relative;
  background: linear-gradient(145deg, rgba(255,0,128,0.18) 0%, rgba(128,0,255,0.12) 100%);
  padding: 48px 40px 90px;
  overflow: hidden;
}

.page-header-inner {
  max-width: 800px;
}

.page-header-inner h1 {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.page-header-desc {
  color: var(--c-text2);
  font-size: 1rem;
  line-height: 1.7;
}

/* ============================================================
   anchor-bar (二级粘性锚点)
   ============================================================ */
.anchor-bar {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(38,23,31,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border2);
  padding: 0 32px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.anchor-bar::-webkit-scrollbar { display: none; }

.anchor-link {
  display: inline-block;
  padding: 12px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-text3);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  min-height: 44px;
}
.anchor-link:hover {
  color: var(--c-primary);
  border-bottom-color: var(--c-primary);
}

/* ============================================================
   article 正文容器
   ============================================================ */
.page-article {
  flex: 1;
  padding: 40px 40px 60px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.content-section {
  margin-bottom: 56px;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border2);
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  border-radius: 2px;
}

/* ============================================================
   Prose（正文排版）
   ============================================================ */
.prose {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-text2);
  max-width: 780px;
}

.prose h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-text);
  margin: 2em 0 0.8em;
}
.prose h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-text);
  margin: 1.6em 0 0.6em;
}
.prose p { margin-bottom: 1em; }
.prose ul, .prose ol {
  margin: 0.8em 0 1em 1.4em;
}
.prose li { margin-bottom: 0.4em; }
.prose strong { color: var(--c-text); font-weight: 600; }
.prose em { color: var(--c-primary); font-style: italic; }
.prose a { color: var(--c-link); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--c-secondary); }
.prose blockquote {
  border-left: 3px solid var(--c-primary);
  padding: 12px 20px;
  margin: 1.5em 0;
  background: rgba(255,0,128,0.07);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-text2);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9rem;
}
.prose th, .prose td {
  border: 1px solid var(--c-border2);
  padding: 10px 14px;
  text-align: left;
}
.prose th {
  background: rgba(255,0,128,0.1);
  color: var(--c-text);
  font-weight: 600;
}
.prose tr:nth-child(even) td {
  background: rgba(255,255,255,0.03);
}
.prose code {
  background: rgba(255,0,128,0.12);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--c-primary);
}
.prose pre {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 1.5em 0;
}
.prose pre code {
  background: none;
  padding: 0;
  color: var(--c-text2);
  font-size: 0.9em;
}

.prose--legal {
  max-width: 820px;
}

/* ============================================================
   카드 공통 — 描边无阴影 28px 圆角
   ============================================================ */
.cat-card, .entry-card, .child-card, .sibling-card {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  background: var(--c-surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  overflow: hidden;
}

.cat-card:hover, .entry-card:hover, .child-card:hover, .sibling-card:hover {
  border-color: var(--c-primary);
  background: var(--c-surface2);
  transform: translateY(-3px);
}

/* ============================================================
   首页分类卡片
   ============================================================ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.cat-card {
  padding: 24px;
}

.cat-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.cat-card h3 a {
  color: var(--c-text);
}
.cat-card h3 a:hover {
  color: var(--c-primary);
}

.cat-card > p {
  font-size: 0.88rem;
  color: var(--c-text3);
  margin-bottom: 14px;
  line-height: 1.6;
}

.cat-sub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cat-sub-link {
  font-size: 0.78rem;
  background: rgba(255,0,128,0.1);
  border: 1px solid var(--c-border2);
  border-radius: 50px;
  padding: 4px 12px;
  color: var(--c-text2);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.cat-sub-link:hover {
  background: rgba(255,0,128,0.25);
  color: var(--c-primary);
  border-color: var(--c-primary);
}

/* ============================================================
   首页 entry 卡片
   ============================================================ */
.entries-section {
  margin-top: 56px;
}

.entries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.entry-card-inner {
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.entry-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.entry-card h3 a {
  color: var(--c-text);
}
.entry-card h3 a:hover {
  color: var(--c-primary);
}

.entry-date {
  font-size: 0.8rem;
  color: var(--c-text3);
  margin-bottom: 10px;
  display: block;
}

.entry-card > .entry-card-inner > p {
  font-size: 0.88rem;
  color: var(--c-text3);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.btn-more {
  display: inline-block;
  align-self: flex-start;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-btn);
  transition: opacity var(--transition), transform var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.btn-more:hover {
  opacity: 0.85;
  transform: scale(1.03);
  color: #fff;
}

/* ============================================================
   category 子页列表
   ============================================================ */
.children-section {
  margin-top: 16px;
}

.child-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.child-card {
  display: flex;
  flex-direction: column;
}

.card-thumb-wrap {
  overflow: hidden;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  max-height: 180px;
}

.card-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.child-card:hover .card-thumb {
  transform: scale(1.04);
}

.child-card-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.child-card-body h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.child-card-body h3 a {
  color: var(--c-text);
}
.child-card-body h3 a:hover {
  color: var(--c-primary);
}

.child-card-body time {
  font-size: 0.8rem;
  color: var(--c-text3);
  margin-bottom: 10px;
  display: block;
}

.child-card-body p {
  font-size: 0.88rem;
  color: var(--c-text3);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

/* ============================================================
   entry 页面
   ============================================================ */
.entry-hero-img {
  margin: 0;
  overflow: hidden;
  max-height: 360px;
}
.entry-hero-img .hero-img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.breadcrumb {
  padding: 14px 40px;
  font-size: 0.82rem;
  color: var(--c-text3);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.breadcrumb a {
  color: var(--c-text3);
}
.breadcrumb a:hover {
  color: var(--c-primary);
}
.breadcrumb span[aria-current] {
  color: var(--c-text2);
}

.entry-article {
  max-width: 900px;
}

.entry-header {
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--c-border2);
}

.entry-header h1 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-text);
  margin-bottom: 14px;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 14px;
}

.entry-meta time {
  font-size: 0.82rem;
  color: var(--c-text3);
}

.entry-desc {
  font-size: 1rem;
  color: var(--c-text2);
  line-height: 1.7;
}

.siblings-section {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--c-border2);
}

.sibling-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.sibling-card {
  padding: 18px 20px;
}
.sibling-card h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.sibling-card h4 a {
  color: var(--c-text);
}
.sibling-card h4 a:hover {
  color: var(--c-primary);
}
.sibling-card p {
  font-size: 0.82rem;
  color: var(--c-text3);
  line-height: 1.5;
}

.back-link {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--c-border2);
}
.back-link a {
  font-size: 0.9rem;
  color: var(--c-text3);
}
.back-link a:hover {
  color: var(--c-primary);
}

/* ============================================================
   about 页面
   ============================================================ */
.about-header {
  background: linear-gradient(145deg, rgba(255,0,128,0.12), rgba(255,0,255,0.08));
  padding: 60px 40px 48px;
  border-bottom: 1px solid var(--c-border2);
}

.about-header-inner {
  max-width: 720px;
}

.about-eyebrow, .privacy-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-primary);
  background: rgba(255,0,128,0.12);
  border: 1px solid rgba(255,0,128,0.3);
  border-radius: 50px;
  padding: 4px 14px;
  margin-bottom: 18px;
  text-transform: none;
}

.about-header-inner h1 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 14px;
  line-height: 1.3;
}
.about-header-inner p {
  color: var(--c-text2);
  font-size: 1rem;
  line-height: 1.7;
}

.about-article {
  max-width: 900px;
}

.about-nav-section {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--c-border2);
}

.about-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.about-nav-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-card);
  background: var(--c-surface);
  transition: border-color var(--transition), background var(--transition);
  color: inherit;
}
.about-nav-card:hover {
  border-color: var(--c-primary);
  background: var(--c-surface2);
  color: inherit;
}
.anc-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-text);
}
.anc-desc {
  font-size: 0.82rem;
  color: var(--c-text3);
  line-height: 1.5;
}

/* ============================================================
   privacy 页面
   ============================================================ */
.privacy-header {
  background: linear-gradient(145deg, rgba(255,0,128,0.08), rgba(128,0,255,0.06));
  padding: 56px 40px 44px;
  border-bottom: 1px solid var(--c-border2);
}

.privacy-header-inner {
  max-width: 720px;
}

.privacy-header-inner h1 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.privacy-date {
  display: block;
  font-size: 0.82rem;
  color: var(--c-text3);
}

.privacy-article {
  max-width: 820px;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  margin-top: auto;
  background: rgba(20,10,16,0.9);
  border-top: 1px solid var(--c-border2);
  padding: 32px 40px 24px;
}

.footer-brand {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, rgba(255,0,128,0.4), rgba(255,0,255,0.3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 20px;
  user-select: none;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--c-text3);
  padding-top: 16px;
  border-top: 1px solid var(--c-border2);
}

.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  color: var(--c-text3);
  transition: color var(--transition);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}
.footer-links a:hover {
  color: var(--c-primary);
}

/* ============================================================
   响应式 — 平板 1024px
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --aside-w: 220px;
  }

  .page-article {
    padding: 32px 28px 48px;
  }

  .hero-home {
    padding: 48px 28px 80px;
  }

  .page-header {
    padding: 40px 28px 72px;
  }

  .cat-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

/* ============================================================
   响应式 — 手机 768px
   ============================================================ */
@media (max-width: 768px) {
  body {
    flex-direction: column;
  }

  .site-aside {
    position: static;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--c-border2);
    flex-direction: row;
    align-items: center;
    padding: 0;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .brand-bar {
    padding: 12px 16px;
    border-bottom: none;
    border-right: 1px solid var(--c-border2);
    white-space: nowrap;
    flex-shrink: 0;
  }

  .brand-name {
    font-size: 1rem;
  }

  .site-aside nav {
    padding: 0;
    flex: 1;
    overflow-x: auto;
  }

  .site-aside nav ul {
    flex-direction: row;
    gap: 0;
    padding: 0 8px;
    white-space: nowrap;
    overflow-x: auto;
  }

  .site-aside nav ul li a {
    padding: 14px 12px;
    font-size: 0.82rem;
    border-radius: 0;
    border-bottom: none;
    border-left: none;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
  }

  .site-aside nav ul li a[aria-current="page"] {
    border-left: none;
    padding-left: 12px;
    border-bottom: 2px solid var(--c-primary);
  }

  .main-wrap {
    margin-left: 0;
  }

  .hero-home {
    min-height: auto;
    padding: 40px 20px 70px;
  }

  .page-header {
    padding: 32px 20px 60px;
  }

  .about-header, .privacy-header {
    padding: 40px 20px 32px;
  }

  .page-article {
    padding: 24px 20px 40px;
  }

  .breadcrumb {
    padding: 12px 20px;
  }

  .cat-grid,
  .entries-grid,
  .child-cards,
  .sibling-grid,
  .about-nav-grid {
    grid-template-columns: 1fr;
  }

  .anchor-bar {
    padding: 0 16px;
  }

  .site-footer {
    padding: 24px 20px 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .notice-bar {
    padding: 8px 16px;
    font-size: 0.78rem;
  }

  .entry-hero-img .hero-img {
    height: 220px;
  }
}

/* ============================================================
   响应式 — 小屏 375px 额外保障
   ============================================================ */
@media (max-width: 400px) {
  .hero-inner h1 {
    font-size: 1.5rem;
  }

  .footer-brand {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.1rem;
  }

  .site-aside nav ul li a {
    padding: 14px 10px;
    font-size: 0.78rem;
  }
}

/* ============================================================
   Hover micro-interactions (prefers-reduced-motion 保护)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .cat-card, .entry-card, .child-card, .sibling-card, .about-nav-card {
    will-change: transform;
  }

  .btn-more {
    will-change: transform, opacity;
  }
}