@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@700&display=swap');

/* ===== 基础变量 ===== */
:root {
  --c-base: #c8e0f4;
  --c-accent: #f5e0e8;
  --c-ink: #171f26;
  --c-base-light: #daedfb;
  --c-base-dark: #a8c4e0;
  --c-accent-light: #faf0f4;
  --c-accent-dark: #e0b8cc;
  --c-ink-soft: #2e3d4f;
  --c-ink-mute: #5a6e80;
  --shadow-raise: -5px -5px 15px rgba(255,255,255,0.85), 5px 5px 15px rgba(160,195,225,0.55);
  --shadow-press: -2px -2px 6px rgba(255,255,255,0.7), 2px 2px 8px rgba(140,175,210,0.6);
  --shadow-inset: inset -3px -3px 8px rgba(255,255,255,0.8), inset 3px 3px 10px rgba(140,175,210,0.55);
  --shadow-accent: -4px -4px 12px rgba(255,255,255,0.9), 4px 4px 12px rgba(210,160,185,0.45);
  --radius: 14px;
  --radius-lg: 20px;
  --radius-sm: 8px;
  --font-main: 'Space Grotesk', 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-w: 1100px;
  --announce-h: 36px;
  --nav-h: 64px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--c-base);
  color: var(--c-ink);
  font-family: var(--font-main);
  line-height: 1.65;
  min-height: 100vh;
}
img { display: block; max-width: 100%; height: auto; border-radius: var(--radius-sm); }
a { color: var(--c-ink); text-decoration: none; }
a:hover { color: var(--c-ink-soft); }
ul, ol { list-style: none; }

/* ===== 公告条 ===== */
.site-announce {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--announce-h);
  background: linear-gradient(135deg, var(--c-accent-dark), var(--c-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  box-shadow: 0 2px 8px rgba(160,120,150,0.2);
}

/* ===== 顶部导航 (aside > nav > ul > li > a) ===== */
.site-aside-nav {
  position: fixed;
  top: var(--announce-h);
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  box-shadow: 0 4px 18px rgba(140,175,210,0.35);
}

.aside-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 1.5rem;
  gap: 0.75rem;
}

.brand-center {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo {
  height: 36px;
  width: auto;
  border-radius: var(--radius-sm);
}

.brand-text-logo {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-ink);
  letter-spacing: 0.06em;
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base-dark));
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-raise);
  white-space: nowrap;
}

.site-aside-nav nav {
  display: contents;
}

.nav-left {
  grid-column: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem;
  flex-wrap: nowrap;
}

.nav-right {
  grid-column: 3;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.25rem;
  flex-wrap: nowrap;
}

.nav-left li a,
.nav-right li a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  color: var(--c-ink-soft);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  box-shadow: var(--shadow-raise);
  transition: box-shadow 0.15s ease, transform 0.15s ease, color 0.15s;
  min-height: 40px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.nav-left li a:hover,
.nav-right li a:hover {
  box-shadow: var(--shadow-press);
  transform: scale(0.97);
  color: var(--c-ink);
}

.nav-left li a[aria-current="page"],
.nav-right li a[aria-current="page"] {
  box-shadow: var(--shadow-inset);
  color: var(--c-ink);
  background: linear-gradient(145deg, var(--c-base), var(--c-base-light));
}

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent-dark);
  flex-shrink: 0;
}

/* ===== 页面主区域顶部偏移 ===== */
.page-home main,
.page-article main,
.page-about main,
.page-privacy main {
  padding-top: calc(var(--announce-h) + var(--nav-h) + 2rem);
}

/* ===== 首页 ===== */
.home-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* Hero */
.hero-section {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2.5rem;
  min-height: 45vh;
  padding: 2.5rem 2rem;
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.hero-figure {
  position: relative;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.hero-img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
}

.hero-badge {
  position: absolute;
  top: -10px;
  right: -10px;
}

.hero-badge:last-child {
  top: auto;
  bottom: -10px;
  right: -10px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}

.hero-h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--c-ink);
  letter-spacing: 0.03em;
}

.hero-h1 span {
  display: inline;
}

.hero-desc {
  font-size: 1rem;
  color: var(--c-ink-soft);
  line-height: 1.7;
  max-width: 480px;
}

/* ===== Neo Badge ===== */
.neo-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  box-shadow: var(--shadow-raise);
  color: var(--c-ink-soft);
  border: 1.5px solid rgba(255,255,255,0.7);
}

.neo-badge.accent {
  background: linear-gradient(145deg, var(--c-accent-light), var(--c-accent));
  box-shadow: var(--shadow-accent);
  color: var(--c-ink);
}

/* ===== 按钮 ===== */
.btn-neo {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--c-accent-light), var(--c-accent));
  box-shadow: var(--shadow-accent);
  color: var(--c-ink);
  transition: box-shadow 0.15s, transform 0.15s;
  min-height: 44px;
  line-height: 1.4;
}

.btn-neo:hover {
  box-shadow: var(--shadow-press);
  transform: scale(0.97);
  color: var(--c-ink);
}

.btn-neo:active {
  box-shadow: var(--shadow-inset);
  transform: scale(0.95);
}

/* ===== 首页内容区 ===== */
.home-content-section {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
  align-items: start;
}

.home-aside {
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  padding: 1.5rem 1.25rem;
  position: sticky;
  top: calc(var(--announce-h) + var(--nav-h) + 1rem);
}

.aside-heading {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-ink-mute);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.aside-heading span {
  display: inline;
}

.aside-links li {
  margin-bottom: 0.5rem;
}

.aside-links a {
  display: block;
  padding: 0.45rem 0.75rem;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  box-shadow: var(--shadow-raise);
  color: var(--c-ink-soft);
  transition: box-shadow 0.15s, transform 0.15s;
  font-weight: 700;
}

.aside-links a:hover {
  box-shadow: var(--shadow-press);
  transform: scale(0.98);
  color: var(--c-ink);
}

/* 正文排版 */
.prose-content {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
}

.prose-content h2,
.prose-content h3 {
  font-weight: 700;
  margin: 1.75rem 0 0.75rem;
  color: var(--c-ink);
  letter-spacing: 0.02em;
}

.prose-content h2 { font-size: 1.25rem; }
.prose-content h3 { font-size: 1.05rem; }

.prose-content p {
  margin-bottom: 1rem;
}

.prose-content a {
  color: var(--c-ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose-content a:hover {
  color: var(--c-ink);
}

.prose-content ul,
.prose-content ol {
  margin: 0.75rem 0 1rem 1.25rem;
  list-style: disc;
}

.prose-content ol { list-style: decimal; }

.prose-content li {
  margin-bottom: 0.35rem;
}

.prose-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}

.prose-content th,
.prose-content td {
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--c-base-dark);
  text-align: left;
}

.prose-content th {
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  font-weight: 700;
}

.prose-content blockquote {
  border-left: 3px solid var(--c-accent-dark);
  padding: 0.75rem 1.25rem;
  margin: 1rem 0;
  background: linear-gradient(145deg, var(--c-accent-light), var(--c-base-light));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-ink-soft);
  font-style: normal;
}

/* ===== 卡片区 ===== */
.cards-section {
  margin-bottom: 2rem;
}

.section-heading {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--c-ink);
}

.section-heading span {
  display: inline;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* 子页列表块：a > strong (结构契约) */
.child-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.4rem 1.25rem;
  border-radius: 18px;
  border: 2px solid rgba(180,210,235,0.6);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  box-shadow: none;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  color: var(--c-ink);
}

.child-card:hover {
  box-shadow: var(--shadow-raise);
  transform: translateY(-3px);
  border-color: var(--c-accent-dark);
}

.child-card strong {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  display: block;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--c-ink-mute);
  line-height: 1.6;
  display: block;
}

.card-date {
  font-size: 0.75rem;
  color: var(--c-ink-mute);
  display: block;
}

/* ===== 文章页 ===== */
.article-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.article-header-section {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem;
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  margin-bottom: 2.5rem;
}

.article-hero-figure {
  flex-shrink: 0;
}

.article-hero-img {
  width: 240px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
}

.article-meta-aside {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.breadcrumb {
  font-size: 0.78rem;
  color: var(--c-ink-mute);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--c-ink-mute);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.breadcrumb a:hover {
  color: var(--c-ink);
}

.article-h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-ink);
  letter-spacing: 0.02em;
}

.article-h1 span { display: inline; }

.article-dates {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-date {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-ink-mute);
  background: linear-gradient(145deg, var(--c-accent-light), var(--c-accent));
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  box-shadow: var(--shadow-accent);
}

.article-lead {
  font-size: 0.95rem;
  color: var(--c-ink-soft);
  line-height: 1.7;
  max-width: 600px;
}

/* 文章正文+侧栏 */
.article-body-section {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 2.5rem;
  align-items: start;
}

.article-prose {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
}

.article-prose h2,
.article-prose h3 {
  font-weight: 700;
  margin: 1.75rem 0 0.75rem;
  color: var(--c-ink);
}

.article-prose h2 { font-size: 1.2rem; }
.article-prose h3 { font-size: 1.05rem; }

.article-prose p { margin-bottom: 1rem; }

.article-prose a {
  color: var(--c-ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-prose a:hover { color: var(--c-ink); }

.article-prose ul,
.article-prose ol {
  margin: 0.75rem 0 1rem 1.25rem;
  list-style: disc;
}

.article-prose ol { list-style: decimal; }
.article-prose li { margin-bottom: 0.35rem; }

.article-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}

.article-prose th,
.article-prose td {
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--c-base-dark);
  text-align: left;
}

.article-prose th {
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  font-weight: 700;
}

.article-prose blockquote {
  border-left: 3px solid var(--c-accent-dark);
  padding: 0.75rem 1.25rem;
  margin: 1rem 0;
  background: linear-gradient(145deg, var(--c-accent-light), var(--c-base-light));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-ink-soft);
}

.article-sidebar {
  position: sticky;
  top: calc(var(--announce-h) + var(--nav-h) + 1rem);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  padding: 1.5rem 1.25rem;
}

.sidebar-heading {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-ink-mute);
  margin-bottom: 0.85rem;
  margin-top: 1.25rem;
  text-transform: uppercase;
}

.sidebar-heading:first-child { margin-top: 0; }

.sidebar-heading span { display: inline; }

.sidebar-links {
  margin-bottom: 0.5rem;
}

.sidebar-links li {
  margin-bottom: 0.45rem;
}

.sidebar-links a {
  display: block;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  box-shadow: var(--shadow-raise);
  color: var(--c-ink-soft);
  transition: box-shadow 0.15s, transform 0.15s;
  line-height: 1.4;
}

.sidebar-links a:hover {
  box-shadow: var(--shadow-press);
  transform: scale(0.98);
  color: var(--c-ink);
}

/* ===== 关于页 ===== */
.about-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.about-hero-section {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 2rem;
  background: linear-gradient(145deg, var(--c-accent-light), var(--c-base-light));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-accent);
  margin-bottom: 2.5rem;
}

.about-figure {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  box-shadow: var(--shadow-raise);
}

.about-icon {
  font-size: 1.2rem;
}

.about-intro-aside {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about-h1 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: 0.02em;
}

.about-h1 span { display: inline; }

.about-lead {
  font-size: 0.95rem;
  color: var(--c-ink-soft);
  line-height: 1.7;
}

.about-content-section {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2.5rem;
  align-items: start;
}

.about-prose {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
}

.about-prose h2, .about-prose h3 {
  font-weight: 700;
  margin: 1.75rem 0 0.75rem;
}
.about-prose h2 { font-size: 1.2rem; }
.about-prose h3 { font-size: 1.05rem; }
.about-prose p { margin-bottom: 1rem; }
.about-prose a { color: var(--c-ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.about-prose a:hover { color: var(--c-ink); }
.about-prose ul, .about-prose ol { margin: 0.75rem 0 1rem 1.25rem; list-style: disc; }
.about-prose ol { list-style: decimal; }
.about-prose li { margin-bottom: 0.35rem; }

.about-sidebar {
  position: sticky;
  top: calc(var(--announce-h) + var(--nav-h) + 1rem);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  padding: 1.5rem 1.25rem;
}

/* ===== 隐私页 ===== */
.privacy-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.privacy-header-section {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem 1.75rem;
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  margin-bottom: 2.5rem;
}

.privacy-figure {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--c-accent-light), var(--c-accent));
  box-shadow: var(--shadow-accent);
}

.privacy-icon { font-size: 1rem; }

.privacy-meta-aside {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.privacy-h1 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--c-ink);
}

.privacy-h1 span { display: inline; }

.privacy-lead {
  font-size: 0.92rem;
  color: var(--c-ink-soft);
  line-height: 1.7;
}

.privacy-body-section {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2.5rem;
  align-items: start;
}

.privacy-prose {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
}

.privacy-prose h2, .privacy-prose h3 {
  font-weight: 700;
  margin: 1.75rem 0 0.75rem;
}
.privacy-prose h2 { font-size: 1.2rem; }
.privacy-prose h3 { font-size: 1.05rem; }
.privacy-prose p { margin-bottom: 1rem; }
.privacy-prose a { color: var(--c-ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.privacy-prose a:hover { color: var(--c-ink); }
.privacy-prose ul { margin: 0.75rem 0 1rem 1.25rem; list-style: disc; }
.privacy-prose li { margin-bottom: 0.35rem; }

.privacy-sidebar {
  position: sticky;
  top: calc(var(--announce-h) + var(--nav-h) + 1rem);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raise);
  padding: 1.5rem 1.25rem;
}

/* ===== 页脚 ===== */
.site-footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  border-top: 1px solid var(--c-base-dark);
}

.footer-address {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-ink-mute);
  font-style: normal;
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.footer-links li a {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-ink-mute);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--c-base-light), var(--c-base));
  box-shadow: var(--shadow-raise);
  transition: box-shadow 0.15s, transform 0.15s;
  display: block;
  min-height: 32px;
  line-height: 1.6;
}

.footer-links li a:hover {
  box-shadow: var(--shadow-press);
  transform: scale(0.97);
  color: var(--c-ink);
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 移动端 ===== */
@media (max-width: 800px) {
  :root {
    --nav-h: 56px;
  }

  .aside-inner {
    grid-template-columns: auto 1fr auto;
    padding: 0 0.75rem;
    gap: 0.4rem;
  }

  .nav-left, .nav-right {
    gap: 0.15rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-left::-webkit-scrollbar,
  .nav-right::-webkit-scrollbar {
    display: none;
  }

  .nav-left li a,
  .nav-right li a {
    font-size: 0.65rem;
    padding: 0.35rem 0.45rem;
    min-height: 40px;
  }

  .nav-dot { display: none; }

  .brand-text-logo {
    font-size: 0.85rem;
    padding: 0.25rem 0.55rem;
  }

  .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: 45vh;
    padding: 2rem 1.25rem;
  }

  .hero-figure {
    order: -1;
    align-items: center;
  }

  .hero-img {
    width: 160px;
    height: 160px;
  }

  .hero-text {
    align-items: center;
  }

  .hero-badge {
    position: static;
    margin-top: 0.5rem;
  }

  .home-content-section {
    grid-template-columns: 1fr;
  }

  .home-aside {
    position: static;
    display: none;
  }

  .article-header-section {
    grid-template-columns: 1fr;
  }

  .article-hero-img {
    width: 100%;
    height: 200px;
  }

  .article-body-section {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
  }

  .about-hero-section {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-figure {
    margin: 0 auto;
  }

  .about-content-section {
    grid-template-columns: 1fr;
  }

  .about-sidebar {
    position: static;
  }

  .privacy-header-section {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .privacy-figure {
    margin: 0 auto;
  }

  .privacy-body-section {
    grid-template-columns: 1fr;
  }

  .privacy-sidebar {
    position: static;
  }

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

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .home-main,
  .article-main,
  .about-main,
  .privacy-main {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-section {
    padding: 1.5rem 1rem;
  }

  .article-header-section,
  .about-hero-section,
  .privacy-header-section {
    padding: 1.5rem 1rem;
  }
}

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

  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}