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

/* ===== 变量与重置 ===== */
:root {
  --clr-base: #c8e0f4;
  --clr-pink: #f5e0e8;
  --clr-ink: #171f26;
  --clr-base-light: #ddeef9;
  --clr-base-dark: #a8c4e0;
  --clr-pink-light: #fdf0f4;
  --clr-pink-dark: #e0c0ce;
  --clr-ink-soft: #2e3d4d;
  --clr-ink-muted: #5a6a7a;
  --clr-white: #ffffff;
  --shadow-raise: -5px -5px 15px rgba(255,255,255,0.85), 5px 5px 15px rgba(100,140,180,0.25);
  --shadow-press: -2px -2px 6px rgba(255,255,255,0.9), 2px 2px 8px rgba(100,140,180,0.35), inset 1px 1px 4px rgba(100,140,180,0.18);
  --shadow-inset: inset -3px -3px 8px rgba(255,255,255,0.7), inset 3px 3px 8px rgba(100,140,180,0.25);
  --shadow-card: -4px -4px 12px rgba(255,255,255,0.8), 4px 4px 12px rgba(100,140,180,0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-main: 'Fira Sans', system-ui, -apple-system, sans-serif;
  --font-code: 'Fira Code', 'Courier New', monospace;
  --trans-fast: 150ms ease;
  --trans-std: 250ms ease;
  --max-w: 1140px;
  --prose-w: 720px;
}

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

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

body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--clr-ink);
  background-color: var(--clr-base);
  background-image: radial-gradient(ellipse at 20% 0%, rgba(245,224,232,0.4) 0%, transparent 60%),
                    radial-gradient(ellipse at 80% 100%, rgba(200,224,244,0.5) 0%, transparent 60%);
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-ink-soft); text-decoration: none; transition: color var(--trans-fast); }
a:hover { color: var(--clr-ink); }
ul, ol { list-style: none; }

/* ===== 公告条 ===== */
.announce-bar {
  background: linear-gradient(90deg, var(--clr-pink-dark), var(--clr-pink), var(--clr-base-dark));
  color: var(--clr-ink);
  font-family: var(--font-code);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-align: center;
  padding: 6px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.announce-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--clr-ink);
  display: inline-block;
  animation: blink 1.8s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base));
  box-shadow: 0 2px 16px rgba(100,140,180,0.18), 0 1px 0 rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 12px;
}
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-right { justify-content: flex-end; }

.nav-link {
  font-family: var(--font-code);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--clr-ink-soft);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--trans-fast);
  white-space: nowrap;
  line-height: 1.3;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.nav-link:hover {
  background: var(--shadow-card);
  box-shadow: var(--shadow-card);
  color: var(--clr-ink);
}
.nav-link--active {
  box-shadow: var(--shadow-press);
  color: var(--clr-ink);
  font-weight: 600;
}

.brand-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.brand-text {
  font-family: var(--font-code);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-ink);
  letter-spacing: -0.02em;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-raise);
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base));
  white-space: nowrap;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.logo-img { height: 36px; width: auto; }

/* ===== Hero ===== */
.hero-section {
  position: relative;
  min-height: 45vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(145deg, var(--clr-base-light) 0%, var(--clr-base) 60%, var(--clr-pink-light) 100%);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 20px 56px;
  display: flex;
  align-items: center;
  gap: 40px;
  width: 100%;
  flex: 1;
}
.hero-text {
  flex: 1;
  z-index: 2;
}
.hero-h1 {
  font-family: var(--font-code);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--clr-ink);
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.hero-desc {
  font-size: 1rem;
  color: var(--clr-ink-soft);
  margin-bottom: 24px;
  max-width: 480px;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary {
  font-family: var(--font-code);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-ink);
  background: linear-gradient(145deg, var(--clr-pink-light), var(--clr-pink));
  padding: 12px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-raise);
  transition: all var(--trans-fast);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.btn-primary:hover {
  box-shadow: var(--shadow-press);
  transform: scale(0.98);
  color: var(--clr-ink);
}
.btn-ghost {
  font-family: var(--font-code);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-ink-soft);
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base));
  padding: 12px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all var(--trans-fast);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.btn-ghost:hover {
  box-shadow: var(--shadow-press);
  transform: scale(0.98);
  color: var(--clr-ink);
}

.hero-deco {
  flex-shrink: 0;
  position: relative;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.deco-circle {
  position: absolute;
  border-radius: 50%;
}
.deco-c1 {
  width: 140px; height: 140px;
  background: linear-gradient(145deg, var(--clr-pink-light), var(--clr-pink));
  box-shadow: var(--shadow-raise);
}
.deco-c2 {
  width: 90px; height: 90px;
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base));
  box-shadow: var(--shadow-inset);
}
.deco-icon {
  position: relative;
  z-index: 2;
  font-family: var(--font-code);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-ink);
  letter-spacing: -0.04em;
}

.hero-slash {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 48px;
  background: var(--clr-base);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}

/* ===== 卡片区 ===== */
.cards-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 20px 64px;
}
.cards-header {
  margin-bottom: 32px;
}
.cards-heading {
  font-family: var(--font-code);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--clr-ink);
  margin-bottom: 8px;
}
.section-hr {
  border: none;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-pink-dark), var(--clr-base-dark), transparent);
  margin: 10px 0 12px;
  border-radius: 2px;
}
.cards-sub {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--clr-ink-muted);
  letter-spacing: 0.05em;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.article-card {
  display: block;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base));
  transition: all var(--trans-std);
  opacity: 0;
  transform: translateY(20px);
  animation: cardReveal 0.5s ease forwards;
  text-decoration: none;
}
@keyframes cardReveal {
  to { opacity: 1; transform: translateY(0); }
}
.article-card:hover {
  box-shadow: var(--shadow-raise);
  transform: translateY(-2px);
}
.article-card:active {
  box-shadow: var(--shadow-press);
  transform: scale(0.98);
}
.card-inner {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 160px;
}
.card-index {
  font-family: var(--font-code);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--clr-pink-dark);
  letter-spacing: 0.1em;
}
.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-ink);
  line-height: 1.5;
  margin: 0;
}
.card-date {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--clr-ink-muted);
}
.card-desc {
  font-size: 0.85rem;
  color: var(--clr-ink-soft);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-arrow {
  font-family: var(--font-code);
  font-size: 1rem;
  color: var(--clr-pink-dark);
  align-self: flex-end;
  transition: transform var(--trans-fast);
}
.article-card:hover .card-arrow { transform: translateX(4px); }

/* ===== 首页正文 ===== */
.home-content {
  max-width: var(--prose-w);
  margin: 0 auto;
}
.home-prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--clr-ink-soft);
}

/* ===== 正文容器（双栏布局）===== */
.article-layout,
.about-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 36px 20px 64px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

/* 侧边栏在左 */
.article-aside {
  width: 220px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 80px;
}
.aside-card {
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 16px;
}
.aside-heading {
  font-family: var(--font-code);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--clr-ink);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  text-transform: none;
}
.aside-card hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, var(--clr-pink-dark), transparent);
  margin-bottom: 10px;
}
.aside-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.aside-list li a {
  font-size: 0.82rem;
  color: var(--clr-ink-soft);
  display: block;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--trans-fast);
  line-height: 1.5;
}
.aside-list li a:hover {
  background: rgba(200,224,244,0.5);
  box-shadow: var(--shadow-inset);
  color: var(--clr-ink);
}

.article-main,
.about-main {
  flex: 1;
  min-width: 0;
}

/* main > article.wrap > section > div 四层嵌套 */
.wrap {
  width: 100%;
}

.article-section,
.about-section,
.privacy-section,
.content-section,
.default-section {
  width: 100%;
}

.article-body,
.about-body,
.privacy-body,
.default-body {
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  padding: 32px 36px;
}

/* ===== 文章头部 ===== */
.article-header {
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.article-date {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--clr-ink-muted);
  background: linear-gradient(145deg, var(--clr-pink-light), var(--clr-pink));
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}
.article-mod {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--clr-ink-muted);
}
.article-h1 {
  font-family: var(--font-code);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--clr-ink);
  line-height: 1.4;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.article-lead {
  font-size: 1rem;
  color: var(--clr-ink-soft);
  line-height: 1.7;
}
.article-divider {
  border: none;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-pink-dark), var(--clr-base-dark), transparent);
  margin: 20px 0;
  border-radius: 2px;
}

/* ===== 正文内容排版 ===== */
.article-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--clr-ink-soft);
}
.article-content h2 {
  font-family: var(--font-code);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-ink);
  margin: 28px 0 4px;
  letter-spacing: -0.01em;
}
.article-content h2 + hr,
.article-content h3 + hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, var(--clr-pink-dark), transparent);
  margin: 6px 0 14px;
}
.article-content h3 {
  font-family: var(--font-code);
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-ink);
  margin: 22px 0 4px;
}
.article-content h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-ink);
  margin: 18px 0 6px;
}
.article-content p {
  margin-bottom: 14px;
}
.article-content ul,
.article-content ol {
  margin: 12px 0 16px 20px;
  list-style: disc;
}
.article-content ol { list-style: decimal; }
.article-content li {
  margin-bottom: 6px;
  line-height: 1.7;
}
.article-content strong {
  font-weight: 600;
  color: var(--clr-ink);
}
.article-content a {
  color: var(--clr-ink-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.article-content a:hover { color: var(--clr-ink); }
.article-content code {
  font-family: var(--font-code);
  font-size: 0.85em;
  background: var(--shadow-inset);
  padding: 2px 6px;
  border-radius: 4px;
  box-shadow: var(--shadow-inset);
}
.article-content pre {
  font-family: var(--font-code);
  font-size: 0.85rem;
  background: linear-gradient(145deg, var(--clr-base-dark), var(--clr-base));
  box-shadow: var(--shadow-inset);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 16px 0;
}
.article-content blockquote {
  border-left: 3px solid var(--clr-pink-dark);
  padding: 10px 16px;
  margin: 16px 0;
  background: linear-gradient(145deg, var(--clr-pink-light), rgba(245,224,232,0.4));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-inset);
}
.article-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 16px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.article-content th,
.article-content td {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.9rem;
}
.article-content th {
  font-family: var(--font-code);
  font-weight: 600;
  background: linear-gradient(145deg, var(--clr-base-dark), var(--clr-base));
  color: var(--clr-ink);
}
.article-content td {
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base));
  border-top: 1px solid rgba(100,140,180,0.15);
}

/* ===== About 页 ===== */
.about-hero-block {
  margin-bottom: 20px;
}
.about-badge {
  display: inline-block;
  font-family: var(--font-code);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-ink);
  background: linear-gradient(145deg, var(--clr-pink-light), var(--clr-pink));
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
}
.about-h1 {
  font-family: var(--font-code);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--clr-ink);
  line-height: 1.4;
  margin-bottom: 10px;
}
.about-lead {
  font-size: 1rem;
  color: var(--clr-ink-soft);
  line-height: 1.7;
}
.about-stat-row {
  display: flex;
  gap: 16px;
  margin: 20px 0;
  flex-wrap: wrap;
}
.stat-card {
  flex: 1;
  min-width: 100px;
  background: linear-gradient(145deg, var(--clr-pink-light), var(--clr-pink));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  text-align: center;
}
.stat-num {
  font-family: var(--font-code);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-ink);
}
.stat-label {
  font-size: 0.75rem;
  color: var(--clr-ink-muted);
  font-family: var(--font-code);
}

/* ===== Privacy 页 ===== */
.privacy-badge {
  display: inline-block;
  font-family: var(--font-code);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-ink);
  background: linear-gradient(145deg, var(--clr-base-light), var(--clr-base-dark));
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  margin-bottom: 10px;
}
.privacy-content {
  font-size: 0.95rem;
}

/* ===== 页脚 ===== */
.site-footer {
  background: linear-gradient(160deg, var(--clr-ink) 0%, var(--clr-ink-soft) 100%);
  color: rgba(200,224,244,0.85);
  margin-top: 48px;
}
.footer-top {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 20px 36px;
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr 1fr;
  gap: 32px;
}
.footer-brand strong {
  display: block;
  font-family: var(--font-code);
  font-size: 1.05rem;
  color: var(--clr-base);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.footer-brand p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(200,224,244,0.6);
}
.footer-contact address {
  font-style: normal;
}
.footer-contact address p {
  font-family: var(--font-code);
  font-size: 0.78rem;
  color: var(--clr-pink);
  margin-bottom: 10px;
  letter-spacing: 0.06em;
}
.footer-contact address ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-contact address ul li a {
  font-size: 0.82rem;
  color: rgba(200,224,244,0.7);
  transition: color var(--trans-fast);
  padding: 4px 0;
  display: block;
  min-height: 32px;
  line-height: 1.5;
}
.footer-contact address ul li a:hover { color: var(--clr-base); }

/* 页脚 nav dl */
.footer-nav-col nav dl {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav-col nav dl dt a {
  font-family: var(--font-code);
  font-size: 0.78rem;
  color: rgba(200,224,244,0.85);
  transition: color var(--trans-fast);
  display: block;
  min-height: 30px;
  line-height: 1.5;
  padding: 2px 0;
}
.footer-nav-col nav dl dt a:hover { color: var(--clr-base); }
.footer-nav-col nav dl dd {
  font-size: 0.72rem;
  color: rgba(200,224,244,0.45);
  line-height: 1.5;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(200,224,244,0.08);
}

.footer-extra p {
  font-size: 0.78rem;
  color: rgba(200,224,244,0.5);
  line-height: 1.7;
  margin-bottom: 6px;
}
.footer-tip { font-family: var(--font-code); }

.footer-bottom {
  border-top: 1px solid rgba(200,224,244,0.1);
  text-align: center;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-bottom p {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: rgba(200,224,244,0.4);
  letter-spacing: 0.04em;
}

/* ===== 内容首页 main 区 ===== */
.page-home main {
  max-width: var(--max-w);
  margin: 32px auto 0;
  padding: 0 20px;
}

/* ===== hr 装饰（通用） ===== */
hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, var(--clr-pink-dark), var(--clr-base-dark), transparent);
  margin: 12px 0;
  border-radius: 1px;
}

/* ===== 动效：prefers-reduced-motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .article-card { opacity: 1; transform: none; }
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .article-layout,
  .about-layout {
    flex-direction: column;
  }
  .article-aside {
    width: 100%;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .aside-card {
    flex: 1;
    min-width: 180px;
  }
}

@media (max-width: 680px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 8px 12px;
    min-height: auto;
    gap: 4px;
  }
  .nav-left, .nav-right {
    flex: none;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    order: 2;
  }
  .brand-logo { order: 1; width: 100%; justify-content: center; }
  .nav-link { font-size: 0.68rem; padding: 8px 6px; min-height: 40px; }
  .hero-inner { flex-direction: column; gap: 24px; padding: 32px 16px 40px; }
  .hero-deco { width: 100px; height: 100px; }
  .deco-c1 { width: 90px; height: 90px; }
  .deco-c2 { width: 56px; height: 56px; }
  .deco-icon { font-size: 1.4rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .article-body,
  .about-body,
  .privacy-body,
  .default-body { padding: 20px 16px; }
  .article-layout,
  .about-layout { padding: 20px 12px 40px; }
  .footer-top {
    grid-template-columns: 1fr;
    padding: 32px 16px 24px;
  }
  .about-stat-row { flex-direction: column; }
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
}

@media (max-width: 375px) {
  .hero-h1 { font-size: 1.25rem; }
  .article-h1, .about-h1 { font-size: 1.1rem; }
}