@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&family=Crimson+Pro:wght@400;500;600;700&display=swap');

/* ============================================================
   CSS 自定义属性
   ============================================================ */
:root {
  --bg-base: #000000;
  --bg-surface: #121212;
  --bg-raised: #1a1a1a;
  --bg-card: #0d0d0d;

  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a8;
  --text-muted: #5a5a6a;
  --text-link: #7ea8d8;
  --text-link-hover: #a8c8f0;

  --accent-blue: #2a5cbf;
  --accent-blue-mid: #3a70d8;
  --accent-blue-glow: rgba(42, 92, 191, 0.35);
  --accent-midnight: #1a2a4a;
  --accent-line: #2a2a3a;

  --announce-bg: #0a0a1a;
  --announce-text: #7090c0;

  --aside-w: 260px;
  --nav-w: 240px;
  --max-prose: 720px;

  --radius: 0px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.6), 0 1px 4px rgba(0,0,0,0.8);
  --shadow-card-hover: 0 8px 40px rgba(0,0,0,0.8), 0 0 16px var(--accent-blue-glow);

  --font-body: 'Crimson Pro', 'Atkinson Hyperlegible', Georgia, 'Noto Serif SC', serif;
  --font-ui: 'Atkinson Hyperlegible', 'Crimson Pro', system-ui, sans-serif;

  --transition-base: 0.22s ease;
  --transition-glow: 0.3s ease;

  color-scheme: dark;
}

/* ============================================================
   重置与基础
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover, a:focus-visible {
  color: var(--text-link-hover);
  text-shadow: 0 0 10px var(--accent-blue-glow);
}

a:focus-visible {
  outline: 2px solid var(--accent-blue-mid);
  outline-offset: 2px;
  border-radius: 2px;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
}

p {
  margin-bottom: 1rem;
}

time {
  font-family: var(--font-ui);
  font-size: 0.8rem;
}

/* ============================================================
   公告条
   ============================================================ */
.announce-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--announce-bg);
  border-bottom: 1px solid var(--accent-midnight);
  padding: 6px 16px;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--announce-text);
  letter-spacing: 0.06em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================================
   侧边导航 (aside > nav > ul > li > a)
   ============================================================ */
.site-aside {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--nav-w);
  z-index: 100;
  background: var(--bg-surface);
  border-right: 1px solid var(--accent-line);
  display: flex;
  flex-direction: column;
  padding-top: 32px;
  overflow-y: auto;
  overflow-x: hidden;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px 24px;
  border-bottom: 1px solid var(--accent-line);
  margin-bottom: 8px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-text-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent-blue);
  color: #fff;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  text-shadow: none;
  border-radius: 4px;
  transition: background var(--transition-base), box-shadow var(--transition-glow);
}

.brand-text-icon:hover {
  background: var(--accent-blue-mid);
  box-shadow: 0 0 10px var(--accent-blue-glow);
  color: #fff;
}

.site-aside nav {
  flex: 1;
  padding: 8px 0;
}

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

.site-aside nav ul li a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--text-secondary);
  border-radius: 2px;
  transition: background var(--transition-base), color var(--transition-base);
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.site-aside nav ul li a:hover,
.site-aside nav ul li a:focus-visible {
  background: var(--bg-raised);
  color: var(--text-primary);
  text-shadow: none;
}

.site-aside nav ul li a[aria-current="page"] {
  background: var(--accent-midnight);
  color: var(--text-link-hover);
  border-left: 2px solid var(--accent-blue-mid);
  padding-left: 12px;
}

/* ============================================================
   页面主体外壳
   ============================================================ */
.page-shell {
  margin-left: var(--nav-w);
  padding-top: 32px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   Hero（首页）— 双图错位拼贴，满屏100vh
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-base);
}

.hero-collage {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.hero-img-wrap {
  overflow: hidden;
  position: relative;
}

.hero-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}

.hero-img-wrap--a {
  transform: translateY(0);
}

.hero-img-wrap--b {
  transform: translateY(60px);
  clip-path: inset(0 0 60px 0);
}

.hero-img-wrap img,
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 0 48px;
  text-align: left;
}

.hero-h1 {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.9);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(240,240,240,0.8);
  margin-bottom: 2rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.8);
  line-height: 1.6;
}

/* ============================================================
   按钮
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 28px;
  background: var(--accent-blue);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: none;
  cursor: pointer;
  transition: background var(--transition-base), box-shadow var(--transition-glow);
  text-decoration: none;
}

.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--accent-blue-mid);
  box-shadow: 0 0 20px var(--accent-blue-glow);
  color: #fff;
  text-shadow: none;
}

.btn-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--accent-line);
  color: var(--text-link);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
}

.btn-sm:hover, .btn-sm:focus-visible {
  border-color: var(--accent-blue-mid);
  background: var(--accent-midnight);
  color: var(--text-link-hover);
  text-shadow: none;
}

/* ============================================================
   首页正文区
   ============================================================ */
.home-content {
  padding: 56px 0 32px;
}

.home-sections {
  padding: 48px 32px;
  border-top: 1px solid var(--accent-line);
}

.home-stories {
  padding: 48px 32px;
  border-top: 1px solid var(--accent-line);
}

/* ============================================================
   卡片网格
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--accent-line);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-glow), border-color var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.card-media {
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--bg-raised);
}

.card-media img,
.card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.card:hover .card-thumb {
  transform: scale(1.04);
}

.card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.card-title a {
  color: var(--text-primary);
}

.card-title a:hover {
  color: var(--text-link-hover);
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 0;
}

.card-link {
  margin-top: auto;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--accent-blue-mid);
  letter-spacing: 0.04em;
}

.card-link:hover {
  color: var(--text-link-hover);
}

/* ============================================================
   表格（子页列表）table > tbody > tr > td
   ============================================================ */
.story-table,
.content-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.story-table tr,
.content-table tr {
  border-bottom: 1px solid var(--accent-line);
  transition: background var(--transition-base);
}

.story-table tr:hover,
.content-table tr:hover {
  background: var(--bg-raised);
}

.story-table td,
.content-table td {
  padding: 14px 12px;
  vertical-align: middle;
  font-size: 0.92rem;
}

.item-num,
.tbl-idx {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  width: 48px;
  text-align: center;
}

.item-info,
.tbl-title {
  flex: 1;
}

.item-title,
.tbl-title a {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.4;
  display: block;
}

.item-title:hover,
.tbl-title a:hover {
  color: var(--text-link-hover);
}

.tbl-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.4;
}

.item-date,
.tbl-date {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-top: 4px;
  white-space: nowrap;
}

.tbl-date {
  text-align: right;
  color: var(--text-muted);
  white-space: nowrap;
}

.item-action {
  text-align: right;
  width: 80px;
}

/* ============================================================
   内容区 + 右侧边栏布局（main + aside 右侧）
   ============================================================ */
.layout-content-aside {
  display: grid;
  grid-template-columns: 1fr var(--aside-w);
  gap: 48px;
  align-items: start;
  padding-top: 40px;
  padding-bottom: 60px;
}

.content-with-aside {
  display: grid;
  grid-template-columns: 1fr var(--aside-w);
  gap: 48px;
  padding-bottom: 48px;
}

.content-aside {
  position: sticky;
  top: 56px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.aside-spacer {
  min-height: 1px;
}

.aside-block {
  background: var(--bg-surface);
  border: 1px solid var(--accent-line);
  padding: 20px;
}

.aside-block h2 {
  font-size: 0.85rem;
  font-family: var(--font-ui);
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: none;
}

.aside-list,
.tag-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 12px;
}

.aside-list li a,
.tag-list li a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 10px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base), background var(--transition-base);
  line-height: 1.4;
}

.aside-list li a:hover,
.tag-list li a:hover {
  color: var(--text-link-hover);
  border-left-color: var(--accent-blue-mid);
  background: var(--bg-raised);
  text-shadow: none;
}

.aside-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.aside-info li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* ============================================================
   Banner 区（article / tag / about / privacy）
   ============================================================ */
.section-banner,
.tag-banner,
.about-banner,
.privacy-banner,
.default-banner {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--accent-line);
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
  position: relative;
  overflow: hidden;
}

.section-banner--has-img {
  min-height: 320px;
  display: flex;
  align-items: center;
}

.section-banner-img {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.section-banner-img img,
.section-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.3);
}

.section-banner-copy,
.about-banner .wrap,
.privacy-banner .wrap,
.tag-banner .wrap,
.default-banner .wrap {
  position: relative;
  z-index: 2;
}

.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--accent-blue-mid);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.section-banner h1,
.tag-banner h1,
.about-banner h1,
.privacy-banner h1,
.default-banner h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: #ffffff;
  margin-bottom: 12px;
}

.section-lead {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.65;
  margin-bottom: 0;
}

.privacy-updated {
  margin-top: 12px;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============================================================
   Story 页面
   ============================================================ */
.story-hero {
  position: relative;
  height: 320px;
  overflow: hidden;
}

.story-hero img,
.story-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
}

.story-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--bg-base) 100%);
}

.story-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--accent-line);
  margin-bottom: 32px;
}

.story-header h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 12px;
}

.story-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.story-meta {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.meta-date {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.breadcrumb {
  margin-bottom: 24px;
}

.breadcrumb ol {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  list-style: none;
}

.breadcrumb ol li {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.breadcrumb ol li + li::before {
  content: '›';
  margin-right: 8px;
  color: var(--text-muted);
}

.breadcrumb ol li a {
  color: var(--text-secondary);
}

.breadcrumb ol li a:hover {
  color: var(--text-link-hover);
}

/* ============================================================
   正文排版（prose）
   ============================================================ */
.prose {
  max-width: var(--max-prose);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
}

.prose h2 {
  font-size: 1.4rem;
  margin: 2rem 0 0.5rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--accent-line);
  color: #f0f0f0;
}

.prose h3 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.4rem;
  color: #e0e0e0;
}

.prose p {
  margin-bottom: 1.1rem;
}

.prose ul, .prose ol {
  margin: 0.8rem 0 1rem 1.4rem;
  list-style: disc;
}

.prose ol {
  list-style: decimal;
}

.prose li {
  margin-bottom: 0.4rem;
  line-height: 1.65;
}

.prose a {
  color: var(--text-link);
  border-bottom: 1px solid var(--accent-blue);
  transition: color var(--transition-base), border-color var(--transition-base);
}

.prose a:hover {
  color: var(--text-link-hover);
  border-bottom-color: var(--accent-blue-mid);
  text-shadow: none;
}

.prose blockquote {
  border-left: 3px solid var(--accent-blue-mid);
  padding: 12px 20px;
  background: var(--bg-surface);
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.prose table th,
.prose table td {
  padding: 10px 14px;
  border: 1px solid var(--accent-line);
  text-align: left;
}

.prose table th {
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.prose code {
  background: var(--bg-raised);
  padding: 2px 6px;
  font-size: 0.85em;
  border: 1px solid var(--accent-line);
  font-family: 'Courier New', monospace;
}

.prose pre {
  background: var(--bg-surface);
  border: 1px solid var(--accent-line);
  padding: 16px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.prose img {
  max-width: 100%;
  margin: 1.5rem 0;
}

/* ============================================================
   h2 + p.subtitle 模式
   ============================================================ */
h2 + .subtitle,
h2 + p.subtitle {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 6px;
  margin-bottom: 20px;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #e8e8e8;
  margin-bottom: 4px;
}

/* ============================================================
   栏目子页列表块
   ============================================================ */
.section-children,
.about-nav-block,
.tag-results {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--accent-line);
}

/* ============================================================
   关于页面
   ============================================================ */
.about-article {
  padding-top: 8px;
}

.update-note {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--accent-line);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============================================================
   隐私政策
   ============================================================ */
.privacy-prose {
  max-width: 800px;
}

/* ============================================================
   页脚 — footer 内有 nav，footer 直接子层有分区容器
   ============================================================ */
footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--accent-line);
}

.footer-cta {
  text-align: center;
  padding: 48px 32px;
  border-bottom: 1px solid var(--accent-line);
  background: linear-gradient(180deg, var(--bg-raised) 0%, var(--bg-surface) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-cta-text {
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
}

footer nav ul li a {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 4px 6px;
  transition: color var(--transition-base);
}

footer nav ul li a:hover {
  color: var(--text-link-hover);
  text-shadow: none;
}

.copyright {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0;
  white-space: nowrap;
}

/* ============================================================
   Scroll Reveal 动效
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease calc(var(--stagger, 0) * 0.08s),
                transform 0.5s ease calc(var(--stagger, 0) * 0.08s);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
   响应式 — 平板 (≤1100px)
   ============================================================ */
@media (max-width: 1100px) {
  :root {
    --nav-w: 200px;
    --aside-w: 220px;
  }

  .layout-content-aside {
    gap: 32px;
  }

  .hero-copy {
    padding: 0 32px;
  }
}

/* ============================================================
   响应式 — 移动端 (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --nav-w: 0px;
    --aside-w: 100%;
  }

  html {
    font-size: 17px;
  }

  .site-aside {
    position: static;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--accent-line);
    flex-direction: row;
    align-items: center;
    padding: 0;
    height: auto;
    overflow-x: auto;
    overflow-y: visible;
    background: var(--bg-surface);
    z-index: 150;
    position: fixed;
    top: 30px;
    bottom: auto;
    left: 0;
    right: 0;
  }

  .brand-mark {
    padding: 8px 12px;
    border-bottom: none;
    border-right: 1px solid var(--accent-line);
    margin-bottom: 0;
    flex-shrink: 0;
  }

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

  .site-aside nav ul {
    flex-direction: row;
    flex-wrap: nowrap;
    padding: 4px 8px;
    gap: 2px;
  }

  .site-aside nav ul li a {
    white-space: nowrap;
    min-height: 44px;
    padding: 8px 12px;
    font-size: 0.75rem;
    border-radius: 0;
    border-left: none;
  }

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

  .announce-bar {
    font-size: 0.7rem;
  }

  .page-shell {
    margin-left: 0;
    padding-top: 80px;
  }

  .hero {
    height: 100vh;
    min-height: 500px;
  }

  .hero-collage {
    grid-template-columns: 1fr;
  }

  .hero-img-wrap--b {
    display: none;
  }

  .hero-copy {
    padding: 0 20px;
  }

  .wrap {
    padding: 0 16px;
  }

  .layout-content-aside {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 24px;
  }

  .content-with-aside {
    grid-template-columns: 1fr;
  }

  .content-aside {
    position: static;
    margin-top: 40px;
    padding: 0 16px;
  }

  .aside-spacer {
    display: none;
  }

  .home-sections,
  .home-stories {
    padding: 32px 16px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
    gap: 12px;
  }

  footer nav ul {
    gap: 4px 8px;
  }

  .section-banner,
  .tag-banner,
  .about-banner,
  .privacy-banner,
  .default-banner {
    padding: 40px 0 28px;
  }

  .story-table td:last-child,
  .content-table td:last-child {
    display: none;
  }

  .prose {
    font-size: 1rem;
  }
}

/* ============================================================
   响应式 — 小屏 (≤480px)
   ============================================================ */
@media (max-width: 480px) {
  html {
    font-size: 16px;
  }

  .hero-h1 {
    font-size: 1.5rem;
  }

  .hero-desc {
    font-size: 0.95rem;
  }

  .btn-primary {
    padding: 12px 20px;
    font-size: 0.85rem;
    min-height: 48px;
  }
}