@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,600;0,700;0,800;1,400&display=swap');

/* ─── 基础重置 ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-black: #000000;
  --c-white: #ffffff;
  --c-crimson: #c0192c;
  --c-gray-100: #f5f5f5;
  --c-gray-200: #e8e8e8;
  --c-gray-400: #999999;
  --c-gray-700: #333333;
  --font-main: 'Plus Jakarta Sans', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --radius-card: 10px;
  --header-h: 64px;
  --strip-h: 44px;
  --max-content: 1200px;
  --max-prose: 720px;
  --transition: 0.22s ease;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-black);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--c-crimson); }
ol, ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ─── 网站包装 ─── */
.site-wrap { display: flex; flex-direction: column; min-height: 100vh; }
.site-main { flex: 1; }

/* ─── 顶部导航 ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  background: var(--c-black);
  color: var(--c-white);
  border-bottom: 2px solid var(--c-crimson);
}
.header-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
}
.header-brand { text-align: center; }
.brand-link { display: inline-flex; align-items: center; }
.brand-logo { height: 36px; width: auto; }
.brand-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--c-white);
}

/* 汉堡按钮 */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 4px;
  padding: 8px;
}
.burger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-white);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .burger-line:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 搜索框 */
.search-form { display: flex; align-items: center; gap: 4px; }
.search-input {
  width: 160px;
  height: 36px;
  padding: 0 12px;
  font-size: 0.875rem;
  font-family: inherit;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 4px;
  color: var(--c-white);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}
.search-input::placeholder { color: rgba(255,255,255,0.5); }
.search-input:focus { border-color: var(--c-crimson); background: rgba(255,255,255,0.15); }
.search-btn {
  height: 36px;
  width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-crimson);
  border: none;
  border-radius: 4px;
  color: var(--c-white);
  font-size: 1rem;
  transition: background var(--transition);
}
.search-btn:hover { background: #a01020; }

/* ─── 全屏遮罩菜单 ─── */
.fullscreen-nav {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--c-black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.fullscreen-nav.is-open {
  opacity: 1;
  pointer-events: all;
}
.nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 4px;
  color: var(--c-white);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition);
}
.nav-close:hover { border-color: var(--c-crimson); color: var(--c-crimson); }
.fullnav-inner { width: 100%; max-width: 600px; padding: 20px; }
.fullnav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.fullnav-links a {
  display: block;
  padding: 14px 20px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-white);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  letter-spacing: 0.03em;
  transition: color var(--transition), padding-left var(--transition);
}
.fullnav-links a:hover { color: var(--c-crimson); padding-left: 28px; }

/* ─── 粘性锚点条 ─── */
.sticky-strip {
  position: sticky;
  top: var(--header-h);
  z-index: 100;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-gray-200);
  height: var(--strip-h);
}
.anchor-links {
  max-width: var(--max-content);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 20px;
  overflow-x: auto;
  scrollbar-width: none;
}
.anchor-links::-webkit-scrollbar { display: none; }
.anchor-link {
  display: flex;
  align-items: center;
  height: var(--strip-h);
  padding: 0 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-gray-700);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
}
.anchor-link:hover, .anchor-link--active {
  color: var(--c-black);
  border-bottom-color: var(--c-crimson);
}

/* ─── Hero 区块（首页） ─── */
.hero-section {
  position: relative;
  min-height: 45vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  background: var(--c-black);
}
.hero-media {
  position: absolute;
  inset: 0;
  will-change: transform;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 48px 20px 80px;
  max-width: 800px;
}
.hero-h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero-lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto;
}
.hero-clip-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--c-white);
  clip-path: ellipse(55% 100% at 50% 100%);
  z-index: 3;
}

/* ─── 栏目带 ─── */
.channel-strip {
  padding: 32px 20px;
  background: var(--c-gray-100);
  border-bottom: 1px solid var(--c-gray-200);
}
.channel-list {
  max-width: var(--max-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.ch-item a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-card);
  background: var(--c-white);
  transition: border-color var(--transition), transform var(--transition);
}
.ch-item a:hover { border-color: var(--c-crimson); transform: translateY(-2px); }
.ch-name { font-weight: 700; font-size: 0.9375rem; color: var(--c-black); }
.ch-desc { font-size: 0.8125rem; color: var(--c-gray-400); line-height: 1.4; }

/* ─── 文章网格（首页） ─── */
.articles-section {
  padding: 48px 20px;
  max-width: var(--max-content);
  margin: 0 auto;
}
.section-heading {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--c-black);
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-heading::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 1.2em;
  background: var(--c-crimson);
  border-radius: 2px;
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.articles-grid .card--lead {
  grid-column: 1 / 3;
  grid-row: 1 / 2;
}

/* ─── 卡片（无阴影、描边、圆角10px） ─── */
.card {
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--c-white);
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: var(--c-black); transform: translateY(-3px); }
.card-inner { display: flex; flex-direction: column; height: 100%; }
.card--lead .card-inner { flex-direction: row; }
.card-figure {
  overflow: hidden;
  flex-shrink: 0;
}
.card--lead .card-figure { width: 55%; }
.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card-img { transform: scale(1.04); }
.card--lead .card-img { height: 100%; min-height: 240px; }
.card-body {
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.card-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-crimson);
}
.card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-black);
}
.card--lead .card-title { font-size: 1.25rem; }
.card-desc { font-size: 0.875rem; color: var(--c-gray-700); line-height: 1.5; }
.card-date { font-size: 0.75rem; color: var(--c-gray-400); margin-top: auto; }

/* ─── 子页列表（频道页） ─── */
.channel-header {
  position: relative;
  background: var(--c-black);
  overflow: hidden;
  min-height: 320px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}
.channel-hero-wrap {
  position: relative;
  height: 100%;
  min-height: 320px;
  will-change: transform;
}
.channel-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}
.channel-header-text {
  padding: 48px 40px;
  color: var(--c-white);
  z-index: 2;
}
.channel-h1 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin-bottom: 12px;
}
.channel-lead { font-size: 1rem; color: rgba(255,255,255,0.8); line-height: 1.6; }
.channel-content { padding: 40px 20px; max-width: var(--max-content); margin: 0 auto; }
.channel-children { padding: 0 20px 48px; max-width: var(--max-content); margin: 0 auto; }
.children-list { display: flex; flex-direction: column; gap: 0; }
.child-item {
  border-bottom: 1px solid var(--c-gray-200);
}
.child-link {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  transition: background var(--transition);
}
.child-link:hover .child-title { color: var(--c-crimson); }
.child-figure { overflow: hidden; border-radius: 6px; }
.child-img { width: 120px; height: 80px; object-fit: cover; border-radius: 6px; transition: transform 0.3s ease; }
.child-link:hover .child-img { transform: scale(1.05); }
.child-meta { display: flex; flex-direction: column; gap: 4px; }
.child-title { font-size: 1rem; font-weight: 700; color: var(--c-black); transition: color var(--transition); }
.child-desc { font-size: 0.8125rem; color: var(--c-gray-700); line-height: 1.4; }
.child-date { font-size: 0.75rem; color: var(--c-gray-400); }

/* ─── 文章页 ─── */
.article-page { max-width: var(--max-content); margin: 0 auto; }
.article-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 360px;
  border-bottom: 2px solid var(--c-black);
}
.article-header-text {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  background: var(--c-black);
  color: var(--c-white);
}
.article-eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-crimson);
}
.article-eyebrow:hover { color: var(--c-white); }
.article-h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.article-lead { font-size: 1rem; color: rgba(255,255,255,0.8); line-height: 1.6; }
.article-byline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.byline-publisher {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--c-crimson);
}
.byline-date, .byline-updated {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
}
.article-hero-figure { overflow: hidden; }
.article-hero-wrap { height: 100%; will-change: transform; }
.article-hero-img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
.article-body {
  padding: 48px 40px;
  max-width: 760px;
}
.related-articles {
  padding: 40px;
  border-top: 2px solid var(--c-black);
}
.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.rel-item {
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.rel-item:hover { border-color: var(--c-black); transform: translateY(-2px); }
.rel-link { display: flex; flex-direction: column; }
.rel-figure { overflow: hidden; }
.rel-img { width: 100%; height: 120px; object-fit: cover; transition: transform 0.3s ease; }
.rel-item:hover .rel-img { transform: scale(1.04); }
.rel-meta { padding: 12px 14px; display: flex; flex-direction: column; gap: 4px; }
.rel-title { font-size: 0.875rem; font-weight: 700; color: var(--c-black); line-height: 1.4; }

/* ─── 关于页 ─── */
.about-page { max-width: 900px; margin: 0 auto; padding: 0 20px; }
.about-header {
  padding: 64px 0 32px;
  border-bottom: 3px solid var(--c-black);
  margin-bottom: 40px;
}
.about-h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.about-lead { font-size: 1.125rem; color: var(--c-gray-700); line-height: 1.7; }
.about-body { margin-bottom: 48px; }
.about-channels { margin-bottom: 48px; }
.channel-about-list { display: flex; flex-direction: column; gap: 0; }
.ch-about-item {
  border-bottom: 1px solid var(--c-gray-200);
}
.ch-about-item a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  transition: padding-left var(--transition);
}
.ch-about-item a:hover { padding-left: 12px; }
.ch-about-item strong { font-size: 1rem; font-weight: 700; color: var(--c-black); }
.ch-about-item small { font-size: 0.875rem; color: var(--c-gray-700); }

/* ─── 隐私页 ─── */
.privacy-page { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.privacy-header {
  padding: 56px 0 28px;
  border-bottom: 2px solid var(--c-black);
  margin-bottom: 36px;
}
.privacy-h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  margin-bottom: 10px;
}
.privacy-updated { font-size: 0.875rem; color: var(--c-gray-400); }
.privacy-body { margin-bottom: 40px; }
.privacy-footer-nav {
  display: flex;
  gap: 24px;
  padding: 24px 0 48px;
  border-top: 1px solid var(--c-gray-200);
}
.privacy-footer-nav a {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--c-black);
  border-bottom: 2px solid var(--c-crimson);
  padding-bottom: 2px;
  transition: color var(--transition);
}
.privacy-footer-nav a:hover { color: var(--c-crimson); }

/* ─── 富文本正文（content-prose） ─── */
.content-prose { line-height: 1.75; font-size: 1rem; color: var(--c-black); }
.content-prose h2 {
  font-size: 1.375rem;
  font-weight: 800;
  margin: 2em 0 0.75em;
  letter-spacing: 0.03em;
  border-left: 4px solid var(--c-crimson);
  padding-left: 12px;
}
.content-prose h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 1.5em 0 0.5em;
}
.content-prose p { margin-bottom: 1.2em; }
.content-prose a { color: var(--c-crimson); border-bottom: 1px solid rgba(192,25,44,0.35); transition: border-color var(--transition); }
.content-prose a:hover { border-bottom-color: var(--c-crimson); }
.content-prose ul, .content-prose ol { padding-left: 1.5em; margin-bottom: 1.2em; }
.content-prose ul { list-style: disc; }
.content-prose ol { list-style: decimal; }
.content-prose li { margin-bottom: 0.4em; }
.content-prose blockquote {
  margin: 2em 0;
  padding: 20px 24px 20px 28px;
  border-left: 5px solid var(--c-crimson);
  background: var(--c-gray-100);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--c-gray-700);
  position: relative;
}
.content-prose blockquote::before {
  content: '\201C';
  position: absolute;
  top: -10px;
  left: 16px;
  font-size: 4rem;
  color: var(--c-crimson);
  line-height: 1;
  font-style: normal;
}
.content-prose figure { margin: 2em 0; }
.content-prose figcaption { font-size: 0.875rem; color: var(--c-gray-400); margin-top: 8px; text-align: center; }
.content-prose img { border-radius: 6px; }
.content-prose table { width: 100%; border-collapse: collapse; margin-bottom: 1.5em; font-size: 0.9375rem; }
.content-prose th { background: var(--c-black); color: var(--c-white); padding: 10px 14px; text-align: left; font-weight: 700; }
.content-prose td { padding: 10px 14px; border-bottom: 1px solid var(--c-gray-200); }
.content-prose tr:nth-child(even) td { background: var(--c-gray-100); }
.content-prose strong { font-weight: 700; }
.content-prose em { font-style: italic; }
.content-prose code {
  font-family: 'Courier New', monospace;
  background: var(--c-gray-100);
  border: 1px solid var(--c-gray-200);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 0.875em;
}
.content-prose pre {
  background: var(--c-black);
  color: var(--c-white);
  border-radius: 6px;
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 1.5em;
}
.content-prose pre code { background: none; border: none; color: inherit; font-size: 0.875rem; }

/* 首字下沉 */
.content-prose > p:first-of-type::first-letter {
  float: left;
  font-size: 3.5em;
  line-height: 0.85;
  font-weight: 800;
  margin-right: 8px;
  margin-top: 4px;
  color: var(--c-crimson);
  font-family: var(--font-main);
}

/* ─── page-article（首页正文） ─── */
.page-article {
  max-width: var(--max-content);
  margin: 0 auto;
}
.page-content {
  padding: 40px 20px 56px;
  max-width: var(--max-prose);
}

/* ─── 页脚 ─── */
.site-footer {
  background: var(--c-black);
  color: var(--c-white);
  margin-top: 64px;
}
.footer-top {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 56px 20px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 40px;
}
.footer-brand {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}
.footer-brand:hover { color: var(--c-crimson); }
.footer-tagline { font-size: 0.875rem; color: rgba(255,255,255,0.6); line-height: 1.6; }
.footer-col-title {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-crimson);
  margin-bottom: 16px;
}
.footer-nav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav-links a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.75);
  padding: 4px 0;
  min-height: 40px;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.footer-nav-links a:hover { color: var(--c-white); }
.subscribe-form { display: flex; flex-direction: column; gap: 8px; }
.subscribe-input {
  height: 42px;
  padding: 0 14px;
  font-size: 0.9375rem;
  font-family: inherit;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  color: var(--c-white);
  outline: none;
  transition: border-color var(--transition);
}
.subscribe-input::placeholder { color: rgba(255,255,255,0.4); }
.subscribe-input:focus { border-color: var(--c-crimson); }
.subscribe-btn {
  height: 42px;
  padding: 0 20px;
  background: var(--c-crimson);
  border: none;
  border-radius: 4px;
  color: var(--c-white);
  font-size: 0.9375rem;
  font-weight: 700;
  font-family: inherit;
  transition: background var(--transition);
}
.subscribe-btn:hover { background: #a01020; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 20px;
  text-align: center;
}
.footer-copy { font-size: 0.8125rem; color: rgba(255,255,255,0.45); }

/* ─── 动效辅助 ─── */
.will-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.will-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .will-reveal { opacity: 1; transform: none; transition: none; }
  .card, .ch-item a, .child-link, .rel-item { transition: none; }
  .parallax-hero { transform: none !important; }
}

/* ─── 响应式断点 ─── */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .articles-grid { grid-template-columns: 1fr 1fr; }
  .articles-grid .card--lead { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --header-h: 56px; }
  .search-input { width: 120px; }
  .articles-grid { grid-template-columns: 1fr; }
  .articles-grid .card--lead { grid-column: 1; }
  .card--lead .card-inner { flex-direction: column; }
  .card--lead .card-figure { width: 100%; }
  .card--lead .card-img { height: 220px; }
  .channel-header { grid-template-columns: 1fr; }
  .channel-hero-wrap { min-height: 200px; }
  .channel-header-text { padding: 32px 20px; }
  .channel-h1 { font-size: 1.75rem; }
  .article-header { grid-template-columns: 1fr; }
  .article-header-text { padding: 32px 20px; }
  .article-hero-img { min-height: 240px; }
  .article-body { padding: 32px 20px; }
  .related-articles { padding: 32px 20px; }
  .related-list { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; padding: 40px 20px 32px; }
  .fullnav-links a { font-size: 1rem; }
}

@media (max-width: 480px) {
  .search-form { display: none; }
  .header-inner { grid-template-columns: auto 1fr; }
  .header-search { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .child-link { grid-template-columns: 90px 1fr; gap: 12px; }
  .child-img { width: 90px; height: 64px; }
  .related-list { grid-template-columns: 1fr; }
  .channel-list { grid-template-columns: 1fr 1fr; }
  .hero-h1 { font-size: 1.75rem; }
  .hero-lead { font-size: 0.9375rem; }
  .about-h1 { font-size: 2rem; }
  .nav-toggle, .nav-close, .footer-nav-links a, .subscribe-btn { min-height: 44px; }
  .anchor-link { min-height: 44px; padding: 0 12px; }
}