@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 {
  --c-paper: #fafaf8;
  --c-mid: #4a4a4a;
  --c-ink: #1a1a1a;
  --c-ink-light: #2e2e2e;
  --c-border: #c8c4b8;
  --c-border-dark: #8a8478;
  --c-accent: #3d3530;
  --c-card-bg: rgba(255,255,255,0.55);
  --c-card-border: rgba(26,26,26,0.18);
  --c-sidebar-bg: rgba(250,250,248,0.82);
  --font-serif: 'Crimson Pro', 'Georgia', 'Songti SC', serif;
  --font-sans: 'Atkinson Hyperlegible', 'PingFang SC', 'Hiragino Sans GB', system-ui, sans-serif;
  --nav-h: 64px;
  --radius: 10px;
  --shadow-card: 2px 4px 16px rgba(26,26,26,0.10);
  --max-w: 1120px;
  --content-max: 720px;
  --sidebar-w: 220px;
  --gap: 2rem;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  background: var(--c-paper);
  color: var(--c-ink);
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  background: var(--c-paper);
  color: var(--c-ink);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* 纸张纹理叠加（伪元素） */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  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='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.055'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.site-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--c-ink); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--c-accent); }

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-ink);
}

p { margin-bottom: 1rem; }
ul, ol { padding-left: 1.4rem; }
ul li, ol li { margin-bottom: 0.35rem; }

hr {
  border: none;
  border-top: 1.5px solid var(--c-border-dark);
  margin: 0.75rem 0 1.1rem;
  opacity: 0.7;
  transform: rotate(-0.15deg);
}

time { font-size: 0.82rem; color: var(--c-mid); font-family: var(--font-sans); }

/* =========================================
   导航：details > summary + menu > li > a
   ========================================= */
.nav-details {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250,250,248,0.95);
  border-bottom: 1.5px solid var(--c-border);
  backdrop-filter: blur(4px);
}

.nav-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: var(--nav-h);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.nav-summary::-webkit-details-marker { display: none; }
.nav-summary::marker { display: none; }

.nav-brand-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--c-ink);
}

.nav-logo { border-radius: 4px; }
.nav-logo-text { font-size: 1.3rem; line-height: 1; }

.nav-brand { letter-spacing: 0.02em; }

.nav-toggle-hint {
  font-size: 0.78rem;
  color: var(--c-mid);
  border: 1px solid var(--c-border);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  transition: background 0.15s;
}

.nav-details[open] .nav-toggle-hint {
  background: var(--c-ink);
  color: var(--c-paper);
  border-color: var(--c-ink);
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.25rem 0.1rem;
  padding: 0.6rem 1.5rem 0.9rem;
  list-style: none;
  border-top: 1px solid var(--c-border);
  background: rgba(250,250,248,0.98);
}

.nav-menu li { list-style: none; }

.nav-menu a {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  font-size: 0.88rem;
  font-family: var(--font-sans);
  text-decoration: none;
  color: var(--c-ink);
  border-radius: 5px;
  border: 1px solid transparent;
  transition: border-color 0.12s, background 0.12s;
  min-height: 40px;
  line-height: 1.3;
  display: flex;
  align-items: center;
}

.nav-menu a:hover {
  border-color: var(--c-border-dark);
  background: rgba(26,26,26,0.04);
  transform: rotate(-0.3deg);
}

/* 居中品牌（nav 分两侧时用） */
.nav-brand-center { display: none; }

/* =========================================
   面包屑
   ========================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--c-mid);
  margin-bottom: 1rem;
  font-family: var(--font-sans);
}
.breadcrumb a { color: var(--c-mid); text-decoration: underline; }
.breadcrumb a:hover { color: var(--c-ink); }

/* =========================================
   主体布局
   ========================================= */
.main-content {
  flex: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* main > article > section 结构 */
.home-article,
.inner-article {
  width: 100%;
}

/* 带侧边栏的内容区 */
.content-with-aside {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: var(--gap);
  align-items: start;
  margin-top: 2rem;
}

/* aside 在内容左侧 */
.sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}

.sidebar-inner {
  background: var(--c-sidebar-bg);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  backdrop-filter: blur(2px);
  transform: rotate(-0.2deg);
}

.sidebar-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

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

.sidebar-nav li { margin-bottom: 0.2rem; }

.sidebar-nav a {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.45rem 0.55rem;
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: 5px;
  border: 1px solid transparent;
  color: var(--c-ink);
  transition: background 0.12s, border-color 0.12s;
  min-height: 40px;
  justify-content: center;
}

.sidebar-nav a:hover {
  background: rgba(26,26,26,0.06);
  border-color: var(--c-border);
  transform: translateX(2px);
}

.sidebar-nav small {
  font-size: 0.75rem;
  color: var(--c-mid);
  line-height: 1.3;
}

.sidebar-note {
  margin-top: 1rem;
  padding: 0.7rem;
  background: rgba(26,26,26,0.04);
  border-left: 2px solid var(--c-border-dark);
  border-radius: 0 5px 5px 0;
  font-size: 0.8rem;
  color: var(--c-mid);
  line-height: 1.5;
}

.sidebar-ol {
  padding-left: 1.2rem;
}

.sidebar-ol li {
  margin-bottom: 0.3rem;
}

.main-body {
  min-width: 0;
}

/* =========================================
   Hero（首页）
   ========================================= */
.hero-section {
  padding: 2.5rem 0 2rem;
  border-bottom: 1.5px solid var(--c-border);
  min-height: 45vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: 100%;
}

.hero-text { flex: 1; }

.hero-eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mid);
  font-family: var(--font-sans);
  margin-bottom: 0.6rem;
  border: 1px solid var(--c-border);
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 3px;
}

.hero-h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.85rem;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--c-mid);
  max-width: 540px;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.4rem;
  background: var(--c-ink);
  color: var(--c-paper);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 6px;
  border: 2px solid var(--c-ink);
  min-height: 44px;
  transform: rotate(-0.3deg);
  transition: transform 0.1s, background 0.1s;
}

.btn-primary:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-paper);
  transform: rotate(0.2deg) translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.4rem;
  background: transparent;
  color: var(--c-ink);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 6px;
  border: 2px solid var(--c-ink);
  min-height: 44px;
  transform: rotate(0.2deg);
  transition: transform 0.1s, background 0.1s;
}

.btn-secondary:hover {
  background: var(--c-ink);
  color: var(--c-paper);
  transform: rotate(-0.2deg) translateY(-1px);
}

.hero-illustration {
  width: 180px;
  flex-shrink: 0;
  opacity: 0.85;
  transform: rotate(1.5deg);
}

.hero-sketch { border-radius: 8px; }

/* =========================================
   内页 header
   ========================================= */
.page-header-section,
.review-header-section,
.about-header-section {
  padding: 2.2rem 0 1.5rem;
  border-bottom: 1.5px solid var(--c-border);
}

.page-header-inner,
.review-header-inner,
.about-header-inner {
  max-width: var(--content-max);
}

.inner-h1, .review-h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.7rem;
}

.inner-desc, .review-desc {
  font-size: 1.02rem;
  color: var(--c-mid);
  line-height: 1.65;
  margin-bottom: 0.8rem;
}

.page-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--c-mid);
  flex-wrap: wrap;
}

.review-badge, .compare-badge {
  display: inline-block;
  padding: 0.15rem 0.65rem;
  border: 1.5px solid var(--c-ink);
  border-radius: 3px;
  font-size: 0.78rem;
  font-family: var(--font-sans);
  letter-spacing: 0.08em;
  margin-bottom: 0.7rem;
  color: var(--c-ink);
  transform: rotate(-0.4deg);
}

.compare-badge {
  border-color: var(--c-mid);
  color: var(--c-mid);
}

/* =========================================
   内容正文区
   ========================================= */
.content-section { padding-bottom: 3rem; }

.page-content {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--c-ink-light);
}

.page-content h2 {
  font-size: 1.45rem;
  margin: 2.2rem 0 0.4rem;
}

.page-content h2 + hr { margin-top: 0; }

.page-content h3 {
  font-size: 1.2rem;
  margin: 1.6rem 0 0.5rem;
}

.page-content h3 + hr { margin-top: 0; }

.page-content p { margin-bottom: 1.1rem; }

.page-content ul, .page-content ol {
  margin-bottom: 1.1rem;
  padding-left: 1.6rem;
}

.page-content li { margin-bottom: 0.4rem; }

.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  overflow-x: auto;
  display: block;
}

.page-content th {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-weight: 700;
}

.page-content td {
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--c-border);
}

.page-content tr:nth-child(even) td {
  background: rgba(26,26,26,0.03);
}

.page-content blockquote {
  border-left: 3px solid var(--c-ink);
  padding: 0.7rem 1.2rem;
  margin: 1.5rem 0;
  background: rgba(26,26,26,0.04);
  font-style: italic;
  border-radius: 0 6px 6px 0;
}

/* =========================================
   section-block（首页各区块）
   ========================================= */
.section-block {
  margin-top: 2.8rem;
  padding-top: 0.5rem;
}

.section-heading {
  font-size: 1.35rem;
  font-family: var(--font-serif);
  font-weight: 700;
  margin-bottom: 0.3rem;
  letter-spacing: 0.01em;
}

.more-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.88rem;
  font-family: var(--font-sans);
  text-decoration: none;
  color: var(--c-mid);
  border-bottom: 1px solid var(--c-border-dark);
  padding-bottom: 1px;
  transition: color 0.1s;
}

.more-link:hover { color: var(--c-ink); }

/* =========================================
   排行榜列表
   ========================================= */
.rank-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.rank-card {
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-card-bg);
  backdrop-filter: blur(4px);
  transform: rotate(-0.1deg);
  transition: transform 0.15s, box-shadow 0.15s;
}

.rank-card:nth-child(even) { transform: rotate(0.12deg); }

.rank-card:hover {
  transform: rotate(0deg) translateY(-2px);
  box-shadow: var(--shadow-card);
}

.rank-card a {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: var(--c-ink);
}

.rank-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-border-dark);
  min-width: 2rem;
  line-height: 1;
}

.rank-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  flex: 1;
}

.rank-card small {
  font-size: 0.8rem;
  color: var(--c-mid);
  font-family: var(--font-sans);
}

/* =========================================
   测评卡片列表
   ========================================= */
.review-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.review-card {
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-card-bg);
  backdrop-filter: blur(3px);
  transform: rotate(0.1deg);
  transition: transform 0.15s, box-shadow 0.15s;
}

.review-card:hover {
  transform: rotate(-0.1deg) translateY(-2px);
  box-shadow: var(--shadow-card);
}

.review-card a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  text-decoration: none;
  color: var(--c-ink);
}

.review-label {
  font-size: 0.72rem;
  font-family: var(--font-sans);
  border: 1px solid var(--c-border-dark);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.review-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  flex: 1;
}

.review-card time {
  margin-left: auto;
  flex-shrink: 0;
}

/* =========================================
   子页卡片网格
   ========================================= */
.child-grid {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.card-item {
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-card-bg);
  backdrop-filter: blur(4px);
  transform: rotate(-0.15deg);
  transition: transform 0.15s, box-shadow 0.15s;
}

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

.card-item:hover {
  transform: rotate(0deg) scale(1.02);
  box-shadow: var(--shadow-card);
}

.card-link {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem;
  text-decoration: none;
  color: var(--c-ink);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.78rem;
  color: var(--c-mid);
  line-height: 1.45;
  font-family: var(--font-sans);
}

/* =========================================
   FAQ 专用
   ========================================= */
.faq-content details {
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  margin-bottom: 0.85rem;
  background: var(--c-card-bg);
  transform: rotate(-0.1deg);
  transition: box-shadow 0.15s;
}

.faq-content details:hover { box-shadow: var(--shadow-card); }

.faq-content details summary {
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  list-style: none;
  color: var(--c-ink);
  user-select: none;
}

.faq-content details summary::-webkit-details-marker { display: none; }

.faq-content details[open] summary {
  border-bottom: 1px solid var(--c-border);
}

.faq-content details > *:not(summary) {
  padding: 0.85rem 1.1rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink-light);
}

.faq-footer-links { margin-top: 3rem; }

/* =========================================
   Related/延伸列表
   ========================================= */
.related-list {
  list-style: none;
  padding: 0;
  counter-reset: related-counter;
}

.related-list li {
  counter-increment: related-counter;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--c-border);
}

.related-list li::before {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  color: var(--c-mid);
  content: counter(related-counter, decimal-leading-zero);
  font-weight: 700;
}

.related-list a {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--c-ink);
}

.related-list a:hover { text-decoration: underline; }

.related-list small {
  font-size: 0.8rem;
  color: var(--c-mid);
  font-family: var(--font-sans);
}

.related-links-list {
  list-style: none;
  padding: 0;
}

.related-links-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--c-border);
}

.related-links-list a {
  font-family: var(--font-serif);
  font-size: 1rem;
}

/* =========================================
   About 专用
   ========================================= */
.featured-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.featured-list li {
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-card-bg);
  transition: box-shadow 0.15s, transform 0.15s;
}

.featured-list li:hover {
  box-shadow: var(--shadow-card);
  transform: translateX(3px);
}

.featured-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--c-ink);
  font-family: var(--font-serif);
  font-size: 0.98rem;
}

.feat-type-tag {
  font-size: 0.72rem;
  font-family: var(--font-sans);
  border: 1px solid var(--c-border-dark);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
  color: var(--c-mid);
}

.about-links-block {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.about-policy-link {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.2rem;
  border: 1.5px solid var(--c-ink);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--c-ink);
  min-height: 42px;
  transition: background 0.12s, color 0.12s;
}

.about-policy-link:hover {
  background: var(--c-ink);
  color: var(--c-paper);
}

/* =========================================
   Review 专用
   ========================================= */
.review-hero-media {
  margin-top: 1.2rem;
}

.review-hero-img {
  border-radius: 8px;
  max-height: 320px;
  object-fit: cover;
  opacity: 0.9;
  transform: rotate(-0.3deg);
}

.review-sidebar-nav a {
  flex-direction: column;
  align-items: flex-start;
}

/* =========================================
   页脚
   ========================================= */
.site-footer {
  background: var(--c-ink);
  color: var(--c-paper);
  margin-top: auto;
}

.footer-top {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 1.25rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-paper);
  margin-bottom: 0.85rem;
  letter-spacing: 0.03em;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li { margin-bottom: 0.45rem; }

.footer-col ul a {
  font-size: 0.88rem;
  font-family: var(--font-sans);
  color: rgba(250,250,248,0.72);
  text-decoration: none;
  transition: color 0.12s;
  display: inline-block;
  min-height: 28px;
  line-height: 28px;
}

.footer-col ul a:hover {
  color: var(--c-paper);
  text-decoration: underline;
}

.footer-col address {
  font-style: normal;
  font-size: 0.85rem;
  color: rgba(250,250,248,0.6);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* 订阅表单 */
.subscribe-form {
  margin-bottom: 1.2rem;
}

.subscribe-form label {
  display: block;
  font-size: 0.78rem;
  color: rgba(250,250,248,0.65);
  margin-bottom: 0.4rem;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
}

.subscribe-row {
  display: flex;
  gap: 0;
}

.subscribe-row input[type="email"] {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(250,250,248,0.25);
  border-right: none;
  border-radius: 5px 0 0 5px;
  color: var(--c-paper);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  outline: none;
  min-height: 40px;
}

.subscribe-row input[type="email"]::placeholder {
  color: rgba(250,250,248,0.35);
}

.subscribe-row input[type="email"]:focus {
  border-color: rgba(250,250,248,0.5);
  background: rgba(255,255,255,0.12);
}

.subscribe-row button {
  padding: 0.5rem 0.85rem;
  background: var(--c-paper);
  color: var(--c-ink);
  border: 1px solid var(--c-paper);
  border-radius: 0 5px 5px 0;
  font-size: 0.82rem;
  font-family: var(--font-sans);
  font-weight: 700;
  cursor: pointer;
  min-height: 40px;
  transition: background 0.12s, color 0.12s;
}

.subscribe-row button:hover {
  background: var(--c-border);
  border-color: var(--c-border);
}

.footer-bottom {
  border-top: 1px solid rgba(250,250,248,0.12);
  padding: 1.1rem 1.25rem;
  text-align: center;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(250,250,248,0.45);
  font-family: var(--font-sans);
  margin: 0;
}

/* =========================================
   Stagger 动效
   ========================================= */
@media (prefers-reduced-motion: no-preference) {
  .stagger-item {
    opacity: 0;
    transform: translateY(12px) rotate(-0.2deg);
    animation: staggerIn 0.45s ease forwards;
    animation-delay: calc(var(--i, 0) * 0.07s);
  }

  @keyframes staggerIn {
    to {
      opacity: 1;
      transform: translateY(0) rotate(var(--rot, -0.1deg));
    }
  }

  .rank-card { --rot: -0.1deg; }
  .card-item:nth-child(odd) { --rot: 0.15deg; }
  .card-item:nth-child(even) { --rot: -0.15deg; }
}

/* =========================================
   Compare 专用
   ========================================= */
.compare-content table { font-size: 0.9rem; }

.compare-header { background: rgba(26,26,26,0.02); }

/* =========================================
   Privacy 专用
   ========================================= */
.privacy-content h2 { margin-top: 2rem; }
.privacy-footer-nav { margin-top: 2.5rem; }

/* =========================================
   响应式
   ========================================= */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 720px) {
  :root { --sidebar-w: 0px; }

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

  .sidebar {
    position: static;
    order: 2;
  }

  .main-body { order: 1; }

  .sidebar-inner {
    transform: none;
  }

  .hero-section {
    min-height: auto;
    padding: 2rem 0 1.5rem;
  }

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

  .hero-illustration {
    width: 120px;
    order: -1;
  }

  .hero-h1 { font-size: 1.75rem; }

  .nav-menu {
    justify-content: flex-start;
    padding: 0.5rem 1rem 0.75rem;
  }

  .nav-menu a {
    padding: 0.45rem 0.65rem;
    font-size: 0.82rem;
    min-height: 42px;
  }
}

@media (max-width: 540px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

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

  .hero-cta { gap: 0.5rem; }

  .btn-primary, .btn-secondary {
    padding: 0.6rem 1rem;
    font-size: 0.88rem;
  }

  .inner-h1, .review-h1 { font-size: 1.45rem; }

  .about-links-block { flex-direction: column; }
}

@media (max-width: 375px) {
  .child-grid { grid-template-columns: 1fr; }
  html { font-size: 16px; }
}