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

/* ======== CSS变量 ======== */
:root {
  --ink: #1a1a1a;
  --mid: #4a4a4a;
  --paper: #fafaf8;
  --paper-dark: #f0efe9;
  --border: #1a1a1a;
  --accent: #1a1a1a;
  --sidebar-w: 260px;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-body: 'IBM Plex Sans', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --radius: 4px;
  --border-w: 2px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 纸纹叠加 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* ======== 无障碍 ======== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ======== 页面壳层布局 ======== */
.page-shell {
  display: flex;
  min-height: 100vh;
}

/* ======== 侧边导航 ======== */
.sidebar-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  border-right: var(--border-w) solid var(--ink);
  overflow-y: auto;
  z-index: 100;
}

.sidebar-brand {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(250,250,248,0.15);
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 8px;
}

.brand-link {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  line-height: 1.3;
  letter-spacing: 0.02em;
  display: block;
}

.brand-link:hover { opacity: 0.75; }

.site-logo-img {
  width: 32px;
  height: 32px;
  display: block;
}

.sidebar-search {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(250,250,248,0.12);
}

.search-input {
  width: 100%;
  background: rgba(250,250,248,0.08);
  border: 1px solid rgba(250,250,248,0.25);
  border-radius: var(--radius);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 12px;
  outline: none;
  transition: none;
}

.search-input::placeholder { color: rgba(250,250,248,0.4); }
.search-input:focus { border-color: var(--paper); background: rgba(250,250,248,0.12); }

.nav-list {
  list-style: none;
  flex: 1;
  padding: 12px 0;
  counter-reset: nav-counter;
}

.nav-list li {
  counter-increment: nav-counter;
  border-bottom: 1px solid rgba(250,250,248,0.06);
}

.nav-list li a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 20px;
  color: rgba(250,250,248,0.8);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  min-height: 44px;
  transition: none;
}

.nav-list li a::before {
  content: counter(nav-counter, decimal-leading-zero);
  font-size: 10px;
  color: rgba(250,250,248,0.3);
  flex-shrink: 0;
  margin-top: 1px;
  font-weight: 600;
}

.nav-list li a:hover {
  background: rgba(250,250,248,0.08);
  color: var(--paper);
}

.nav-list li a[aria-current="page"] {
  background: rgba(250,250,248,0.12);
  color: var(--paper);
  border-left: 3px solid var(--paper);
  padding-left: 17px;
}

.sidebar-foot {
  padding: 16px 20px;
  border-top: 1px solid rgba(250,250,248,0.12);
}

.sidebar-small-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(250,250,248,0.4);
  text-decoration: none;
  display: block;
  min-height: 40px;
  display: flex;
  align-items: center;
}

.sidebar-small-link:hover { color: rgba(250,250,248,0.7); }

/* ======== 主内容区 ======== */
.main-wrap {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
}

/* ======== 通用section+figure/aside结构 ======== */
.content-section {
  display: flex;
  gap: 0;
  min-height: 60vh;
  border-bottom: var(--border-w) solid var(--ink);
}

.page-aside {
  width: 220px;
  flex-shrink: 0;
  border-right: var(--border-w) solid var(--ink);
  padding: 32px 20px;
  background: var(--paper-dark);
  position: sticky;
  top: 0;
  align-self: flex-start;
  min-height: 400px;
}

.aside-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--mid);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.aside-brand {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mid);
  margin-bottom: 10px;
}

.aside-toc, .aside-toc ol {
  list-style: none;
  padding: 0;
}

.aside-toc li {
  border-bottom: 1px solid rgba(26,26,26,0.1);
}

.aside-toc li a {
  display: flex;
  align-items: center;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mid);
  text-decoration: none;
  min-height: 36px;
  line-height: 1.3;
}

.aside-toc li a:hover { color: var(--ink); }

.aside-nav { margin-top: 16px; }

.aside-nav ol {
  list-style: none;
  padding: 0;
}

.aside-nav ol li a {
  display: block;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mid);
  text-decoration: none;
  min-height: 36px;
  display: flex;
  align-items: center;
}

.aside-nav ol li a:hover { color: var(--ink); }

.aside-nav-block { margin-top: 20px; }

.aside-nav-block ol {
  list-style: none;
  padding: 0;
}

.aside-nav-block ol li {
  border-bottom: 1px solid rgba(26,26,26,0.08);
}

.aside-nav-block ol li a {
  display: block;
  padding: 8px 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mid);
  text-decoration: none;
  min-height: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.aside-nav-block ol li a:hover { color: var(--ink); }

.aside-nav-block ol li small {
  font-size: 10px;
  color: rgba(74,74,74,0.6);
  margin-top: 2px;
}

.aside-links {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.aside-link-item {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mid);
  text-decoration: none;
  padding: 7px 0;
  border-bottom: 1px solid rgba(26,26,26,0.08);
  min-height: 36px;
  display: flex;
  align-items: center;
}

.aside-link-item:hover { color: var(--ink); }

.content-figure {
  flex: 1;
  padding: 40px 48px;
  min-width: 0;
}

/* ======== 日期显示 ======== */
.page-date, .page-date-mod {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(74,74,74,0.7);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

/* ======== Hero区块 ======== */

/* --- 首页 Hero --- */
.hero-section {
  min-height: 70vh;
  display: flex;
  border-bottom: var(--border-w) solid var(--ink);
  background: var(--paper);
  position: relative;
  overflow: hidden;
}

.hero-aside {
  width: 80px;
  flex-shrink: 0;
  border-right: var(--border-w) solid var(--ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 24px 12px;
  gap: 8px;
  background: var(--paper-dark);
}

.hero-index-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--mid);
  text-transform: uppercase;
}

.hero-index-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.hero-figure {
  flex: 1;
  padding: 60px 64px 60px 56px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  text-align: right;
  position: relative;
}

.hero-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-3deg);
  font-family: var(--font-mono);
  font-size: clamp(80px, 18vw, 240px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(26,26,26,0.06);
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: -0.04em;
  user-select: none;
}

.hero-h1 {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--ink);
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-sub {
  margin-top: 20px;
  font-size: 16px;
  color: var(--mid);
  max-width: 480px;
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  margin-top: 32px;
  padding: 14px 28px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  position: relative;
  z-index: 1;
  min-height: 48px;
  transform: rotate(0.3deg);
}

.hero-cta:hover { transform: rotate(-0.3deg) translateY(-1px); opacity: 0.85; }

/* --- 首页内容区 --- */
.home-content-section { background: var(--paper); }
.home-intro { padding-top: 48px; }

/* ======== 索引区块（首页） ======== */
.index-section {
  padding: 48px 48px 48px calc(var(--sidebar-w) - var(--sidebar-w) + 48px);
  border-bottom: var(--border-w) solid var(--ink);
}

.section-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--mid);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-h2 {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: var(--border-w) solid var(--ink);
}

.index-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.index-card {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  margin-bottom: 12px;
  background: var(--paper);
  transform: rotate(0deg);
}

.index-card:nth-child(odd) { transform: rotate(-0.2deg); }
.index-card:nth-child(even) { transform: rotate(0.15deg); }

.index-card .card-link {
  display: flex;
  align-items: stretch;
  text-decoration: none;
  color: var(--ink);
  min-height: 72px;
}

.index-card .card-link:hover { background: var(--paper-dark); }

.card-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: rgba(26,26,26,0.15);
  padding: 16px 20px;
  border-right: 1px solid rgba(26,26,26,0.12);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  letter-spacing: -0.04em;
  min-width: 60px;
  justify-content: center;
}

.card-body {
  flex: 1;
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.card-desc {
  font-size: 13px;
  color: var(--mid);
  line-height: 1.4;
}

.card-date {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(74,74,74,0.6);
  margin-top: 2px;
}

.card-arrow {
  font-family: var(--font-mono);
  font-size: 18px;
  color: rgba(26,26,26,0.3);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ======== 评测 Hero ======== */
.review-header-section,
.compare-header-section,
.ranking-header-section,
.faq-header-section,
.about-header-section,
.privacy-header-section {
  display: flex;
  border-bottom: var(--border-w) solid var(--ink);
  min-height: 280px;
  position: relative;
  overflow: hidden;
}

.review-meta-aside,
.compare-meta-aside,
.ranking-meta-aside,
.faq-meta-aside,
.about-deco-aside,
.privacy-meta-aside {
  width: 160px;
  flex-shrink: 0;
  border-right: var(--border-w) solid var(--ink);
  padding: 28px 18px;
  background: var(--paper-dark);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.review-badge, .compare-badge, .ranking-badge,
.faq-badge, .about-badge, .privacy-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  padding: 4px 8px;
  color: var(--ink);
  text-transform: uppercase;
  transform: rotate(-1deg);
  width: fit-content;
}

.review-hero-figure,
.compare-hero-figure,
.ranking-hero-figure,
.faq-hero-figure,
.about-hero-figure,
.privacy-hero-figure {
  flex: 1;
  padding: 40px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.review-bg-num, .compare-bg-label,
.ranking-bg-num, .faq-bg-text, .about-bg-text {
  position: absolute;
  right: -20px;
  bottom: -10px;
  font-family: var(--font-mono);
  font-size: clamp(60px, 12vw, 140px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(26,26,26,0.05);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
}

.review-h1, .compare-h1, .ranking-h1,
.faq-h1, .about-h1, .privacy-h1 {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  position: relative;
  z-index: 1;
}

.review-lead, .compare-lead, .ranking-lead,
.faq-lead, .about-lead, .privacy-lead {
  margin-top: 14px;
  font-size: 15px;
  color: var(--mid);
  max-width: 560px;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* ======== 关于页装饰 ======== */
.about-deco-marks {
  margin-top: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}

.deco-x, .deco-o {
  font-family: var(--font-mono);
  font-size: 18px;
  color: rgba(26,26,26,0.2);
}

/* ======== 相关内容区块 ======== */
.related-section {
  padding: 40px 48px;
  border-bottom: var(--border-w) solid var(--ink);
}

.related-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.related-card {
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper);
}

.related-card:nth-child(odd) { transform: rotate(-0.15deg); }
.related-card:nth-child(even) { transform: rotate(0.1deg); }

.related-card > a {
  display: flex;
  align-items: stretch;
  text-decoration: none;
  color: var(--ink);
  min-height: 64px;
}

.related-card > a:hover { background: var(--paper-dark); }

/* ======== 正文（prose）样式 ======== */
.prose {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 760px;
}

.prose h2 {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 700;
  margin: 2.2em 0 0.8em;
  letter-spacing: -0.02em;
  border-bottom: var(--border-w) solid rgba(26,26,26,0.15);
  padding-bottom: 0.4em;
}

.prose h3 {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
  margin: 1.8em 0 0.6em;
  letter-spacing: -0.01em;
}

.prose h4 {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  margin: 1.4em 0 0.5em;
}

.prose p {
  margin-bottom: 1.2em;
}

.prose ul, .prose ol {
  padding-left: 1.5em;
  margin-bottom: 1.2em;
}

.prose li {
  margin-bottom: 0.5em;
  line-height: 1.65;
}

.prose a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.prose a:hover { opacity: 0.7; }

.prose strong {
  font-weight: 600;
}

.prose em {
  font-style: italic;
}

.prose blockquote {
  border-left: 4px solid var(--ink);
  padding: 12px 20px;
  margin: 1.5em 0;
  background: var(--paper-dark);
  font-style: italic;
  color: var(--mid);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-family: var(--font-mono);
  font-size: 13px;
}

.prose th {
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
}

.prose td {
  padding: 9px 14px;
  border: 1px solid rgba(26,26,26,0.2);
}

.prose tr:nth-child(even) td { background: var(--paper-dark); }

.prose code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: rgba(26,26,26,0.06);
  border: 1px solid rgba(26,26,26,0.15);
  border-radius: 2px;
  padding: 2px 6px;
}

.prose pre {
  background: var(--ink);
  color: var(--paper);
  padding: 20px 24px;
  overflow-x: auto;
  border-radius: var(--radius);
  margin: 1.5em 0;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: 13px;
}

.prose img {
  max-width: 100%;
  height: auto;
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
  display: block;
  margin: 1.5em 0;
}

/* FAQ特定样式 */
.faq-prose h2 {
  margin-top: 2em;
  padding: 10px 16px;
  background: var(--paper-dark);
  border: var(--border-w) solid var(--ink);
  border-radius: var(--radius);
}

/* ======== 页脚 ======== */
.site-footer {
  display: flex;
  border-top: var(--border-w) solid var(--ink);
  background: var(--paper-dark);
}

.site-footer > section {
  flex: 1;
  padding: 36px 32px;
  border-right: 1px solid rgba(26,26,26,0.15);
}

.site-footer > section:last-child {
  border-right: none;
}

.footer-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--mid);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(26,26,26,0.15);
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.3;
}

.footer-desc {
  font-size: 13px;
  color: var(--mid);
  line-height: 1.55;
}

.footer-nav ol, .footer-legal ol {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}

.footer-nav ol li, .footer-legal ol li {
  border-bottom: 1px solid rgba(26,26,26,0.08);
}

.footer-nav ol li a, .footer-legal ol li a {
  display: flex;
  align-items: center;
  padding: 7px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mid);
  text-decoration: none;
  min-height: 36px;
  line-height: 1.35;
}

.footer-nav ol li a:hover, .footer-legal ol li a:hover { color: var(--ink); }

.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(74,74,74,0.6);
  margin-top: 12px;
}

/* ======== 标题装饰：small眉题紧邻h2/h3前 ======== */
.section-eyebrow + .section-h2,
.aside-label + h2,
.footer-eyebrow + p {
  /* 已通过紧邻布局实现 */
}

/* ======== Scroll Reveal 动效 ======== */
.reveal-item {
  opacity: 0;
  transform: translateY(20px) rotate(var(--r, 0deg));
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0) rotate(var(--r, 0deg));
}

.index-card.reveal-item { --r: -0.2deg; }
.index-card.reveal-item:nth-child(even) { --r: 0.15deg; }

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

/* ======== 平台页标题h1 ======== */
.page-h1 {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--ink);
}

/* ======== 移动端适配 ======== */
@media (max-width: 900px) {
  :root { --sidebar-w: 0px; }

  .sidebar-nav {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    transition: left 0.25s ease;
    z-index: 200;
  }

  .sidebar-nav.is-open { left: 0; }

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

  /* 汉堡菜单按钮 */
  .main-wrap::before {
    content: '≡';
    position: fixed;
    top: 12px;
    left: 12px;
    width: 44px;
    height: 44px;
    background: var(--ink);
    color: var(--paper);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    z-index: 150;
    border-radius: var(--radius);
    font-family: var(--font-mono);
  }

  .content-section {
    flex-direction: column;
  }

  .page-aside {
    width: 100%;
    position: static;
    min-height: auto;
    border-right: none;
    border-bottom: var(--border-w) solid var(--ink);
    padding: 20px 20px;
  }

  .content-figure {
    padding: 28px 20px;
  }

  .hero-figure {
    padding: 48px 24px 40px;
    align-items: flex-start;
    text-align: left;
  }

  .hero-bg-text {
    font-size: clamp(60px, 25vw, 120px);
    opacity: 0.5;
  }

  .hero-h1 {
    font-size: clamp(22px, 6vw, 36px);
  }

  .review-header-section,
  .compare-header-section,
  .ranking-header-section,
  .faq-header-section,
  .about-header-section,
  .privacy-header-section {
    flex-direction: column;
  }

  .review-meta-aside,
  .compare-meta-aside,
  .ranking-meta-aside,
  .faq-meta-aside,
  .about-deco-aside,
  .privacy-meta-aside {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    border-right: none;
    border-bottom: var(--border-w) solid var(--ink);
    padding: 16px 20px;
    min-height: auto;
  }

  .review-hero-figure,
  .compare-hero-figure,
  .ranking-hero-figure,
  .faq-hero-figure,
  .about-hero-figure,
  .privacy-hero-figure {
    padding: 28px 20px 32px;
  }

  .index-section {
    padding: 32px 20px;
  }

  .related-section {
    padding: 28px 20px;
  }

  .site-footer {
    flex-direction: column;
  }

  .site-footer > div {
    border-right: none;
    border-bottom: 1px solid rgba(26,26,26,0.12);
    padding: 24px 20px;
  }

  .hero-aside {
    width: 60px;
  }

  .aside-nav-block { display: none; }
}

@media (max-width: 600px) {
  .hero-section {
    min-height: 60vh;
  }

  .hero-h1 {
    font-size: clamp(20px, 7vw, 32px);
  }

  .hero-cta {
    padding: 12px 20px;
    font-size: 12px;
  }

  .card-title {
    font-size: 13px;
  }

  .card-num {
    font-size: 18px;
    min-width: 48px;
    padding: 12px 14px;
  }

  .prose {
    font-size: 16px;
  }
}

/* ======== 侧边栏叠加遮罩 ======== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,26,26,0.5);
  z-index: 190;
}

.sidebar-overlay.is-open { display: block; }