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

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

:root {
  --bg: #000000;
  --bg-surface: #121212;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --accent-blue: #1e3a5f;
  --accent-blue-light: #2d5a9e;
  --accent-gold: #c9a84c;
  --accent-neon: #4fc3f7;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #707070;
  --border: #2a2a2a;
  --border-light: #333333;
  --radius: 10px;
  --header-h: 120px;
  color-scheme: dark;
}

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

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Karla', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--accent-neon);
  text-decoration: none;
  transition: color 0.2s, opacity 0.2s;
}

a:hover {
  color: var(--accent-gold);
}

a:focus-visible {
  outline: 2px solid var(--accent-neon);
  outline-offset: 3px;
  border-radius: 3px;
}

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

/* ===== 覆盖菜单 ===== */
.overlay-menu {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.97);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.overlay-menu.is-open {
  opacity: 1;
  pointer-events: all;
}

.overlay-close {
  position: absolute;
  top: 24px;
  right: 28px;
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
}

.overlay-close:hover {
  background: var(--bg-surface);
  border-color: var(--accent-neon);
}

.overlay-nav {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

.overlay-nav a {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--text-primary);
  letter-spacing: 0.03em;
  padding: 8px 20px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.overlay-nav a:hover {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

/* ===== 头部 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 800;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
}

.brand-logo {
  height: 36px;
  width: auto;
}

.brand-text {
  font-family: 'Playfair Display SC', serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  text-shadow: 0 0 10px rgba(79, 195, 247, 0.3);
}

.hamburger {
  background: none;
  border: 1px solid var(--border-light);
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s;
}

.hamburger:hover {
  border-color: var(--accent-neon);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: background 0.2s;
}

.header-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 16px;
  min-height: 52px;
}

.main-nav p {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
}

.main-nav p a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 14px 10px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.main-nav p a:hover {
  color: var(--text-primary);
  border-bottom-color: var(--accent-gold);
}

.header-search {
  flex-shrink: 0;
}

.search-form {
  display: flex;
  gap: 0;
}

.search-form input[type="search"] {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-right: none;
  color: var(--text-primary);
  font-family: 'Karla', sans-serif;
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: 6px 0 0 6px;
  min-height: 40px;
  width: 200px;
  outline: none;
  transition: border-color 0.2s;
}

.search-form input[type="search"]:focus {
  border-color: var(--accent-neon);
}

.search-form button {
  background: var(--accent-blue);
  border: 1px solid var(--accent-blue-light);
  color: var(--text-primary);
  font-family: 'Karla', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 0 6px 6px 0;
  cursor: pointer;
  min-height: 40px;
  transition: background 0.2s;
}

.search-form button:hover {
  background: var(--accent-blue-light);
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
  color: #fff;
  font-family: 'Karla', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 6px;
  letter-spacing: 0.03em;
  min-height: 48px;
  border: 1px solid var(--accent-blue-light);
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  text-shadow: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-blue-light), #3a6fc0);
  box-shadow: 0 0 18px rgba(45, 90, 158, 0.5);
  transform: translateY(-2px);
  color: #fff;
}

/* ===== 布局 ===== */
.wrap {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 首页 Hero ===== */
.hero-section {
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    120deg,
    transparent 0%,
    transparent 48%,
    var(--accent-blue) 48%,
    var(--accent-blue) 52%,
    transparent 52%,
    transparent 100%
  );
  opacity: 0.12;
  pointer-events: none;
  z-index: 1;
}

.hero-article {
  display: flex;
  align-items: stretch;
  width: 100%;
  min-height: 100vh;
  position: relative;
  z-index: 2;
}

.hero-media {
  flex: 1 1 50%;
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

.hero-media .hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-media:empty {
  background: linear-gradient(160deg, var(--bg-surface) 0%, var(--accent-blue) 100%);
  flex: 1 1 50%;
}

.hero-content {
  flex: 1 1 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  text-align: right;
  padding: 80px 48px 80px 60px;
  background: linear-gradient(90deg, transparent 0%, var(--bg) 30%);
  position: relative;
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-neon);
  text-transform: uppercase;
  margin-bottom: 16px;
  text-shadow: 0 0 10px rgba(79, 195, 247, 0.4);
}

.hero-content h1 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 400px;
  margin-bottom: 32px;
  line-height: 1.7;
}

/* ===== 公共页面头部 ===== */
.page-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 12px;
}

.page-meta {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-meta time {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.date-mod {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ===== 排行榜 Hero ===== */
.ranking-hero {
  background: linear-gradient(160deg, var(--bg-surface) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.ranking-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -10%;
  width: 120%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-gold), transparent);
}

.page-hero {
  padding: 72px 0 52px;
  border-bottom: 1px solid var(--border);
}

.page-hero-inner,
.ranking-hero .page-hero-inner,
.compare-header-article,
.faq-header-article,
.privacy-header-article,
.about-intro-text,
.review-intro-text {
  max-width: 720px;
}

.page-hero-inner h1,
.ranking-hero h1 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

/* ===== 主内容 + 侧边栏布局 ===== */
.content-section,
.ranking-section,
.review-body-section,
.compare-body-section,
.faq-body-section,
.about-body-section,
.privacy-body-section,
.default-section {
  padding: 56px 0;
}

.content-article,
.ranking-article,
.review-body-article,
.compare-body-article,
.faq-body-article,
.about-body-article,
.privacy-body-article,
.default-article {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}

.content-body,
.ranking-content,
.review-content,
.compare-content,
.faq-content,
.about-content,
.privacy-content,
.default-content {
  min-width: 0;
}

/* ===== 侧边栏 ===== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: calc(var(--header-h) + 20px);
}

.sidebar-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.sidebar-block h3 {
  font-family: 'Playfair Display SC', serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.sidebar-block h3 span {
  display: inline;
}

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-links li a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  padding: 4px 0;
  border-left: 2px solid transparent;
  padding-left: 10px;
  transition: color 0.2s, border-color 0.2s;
}

.sidebar-links li a:hover {
  color: var(--text-primary);
  border-left-color: var(--accent-neon);
}

/* ===== 正文排版 ===== */
.content-body h2,
.review-content h2,
.compare-body-text h2,
.faq-content h2,
.about-content h2,
.privacy-content h2,
.page-body h2,
.default-content h2 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 2em 0 0.8em;
  letter-spacing: 0.02em;
}

.content-body h2 span,
.review-content h2 span,
.faq-content h2 span,
.about-content h2 span,
.privacy-content h2 span,
.default-content h2 span {
  display: inline;
}

.content-body h3,
.review-content h3,
.faq-content h3,
.about-content h3,
.privacy-content h3 {
  font-family: 'Playfair Display SC', serif;
  font-size: 1.05rem;
  color: var(--accent-gold);
  margin: 1.6em 0 0.6em;
}

.content-body h3 span,
.review-content h3 span,
.faq-content h3 span {
  display: inline;
}

.content-body p,
.review-content p,
.compare-body-text p,
.faq-content p,
.about-content p,
.privacy-content p,
.page-body p {
  margin-bottom: 1.1em;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.content-body ul,
.review-content ul,
.faq-content ul,
.about-content ul,
.privacy-content ul {
  margin: 0.8em 0 1.2em 1.4em;
  color: var(--text-secondary);
}

.content-body li,
.review-content li,
.faq-content li,
.about-content li,
.privacy-content li {
  margin-bottom: 0.5em;
  line-height: 1.7;
}

.content-body a,
.review-content a,
.faq-content a,
.about-content a,
.privacy-content a {
  color: var(--accent-neon);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.content-body a:hover,
.review-content a:hover {
  border-bottom-color: var(--accent-neon);
}

/* ===== 卡片网格（首页精选） ===== */
.featured-section {
  padding: 56px 0;
  background: var(--bg-surface);
}

.featured-article {
  width: 100%;
}

.featured-article > h2 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--text-primary);
  margin-bottom: 32px;
  letter-spacing: 0.03em;
}

.featured-article > h2 span {
  display: inline;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--accent-blue);
  border-color: var(--accent-blue-light);
}

.card-thumb {
  height: 180px;
  overflow: hidden;
  background: var(--bg-surface);
}

.card-thumb .card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.card:hover .card-thumb .card-img {
  transform: scale(1.04);
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.card-type {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.card-body h3 {
  font-family: 'Playfair Display SC', serif;
  font-size: 0.98rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.card-body h3 span {
  display: inline;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.card-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-neon);
  margin-top: 8px;
  align-self: flex-start;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.card-link:hover {
  border-bottom-color: var(--accent-neon);
  color: var(--accent-neon);
}

/* ===== 快速导航列表（首页）===== */
.quick-nav-list {
  list-style: none;
  counter-reset: qnav;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quick-nav-list li {
  counter-increment: qnav;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.quick-nav-list li::before {
  content: counter(qnav, decimal-leading-zero);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-blue-light);
  font-family: 'Playfair Display SC', serif;
}

.quick-nav-list li a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  padding-left: 8px;
  transition: color 0.2s, border-color 0.2s;
}

.quick-nav-list li a:hover {
  color: var(--text-primary);
  border-left-color: var(--accent-neon);
}

.quick-nav-list li small {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-left: 8px;
}

/* ===== 榜单样式 ===== */
.ranking-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.rank-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s, transform 0.15s;
}

.rank-item:hover {
  border-color: var(--accent-blue-light);
  transform: translateX(4px);
}

.rank-num {
  font-family: 'Playfair Display SC', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-gold);
  min-width: 42px;
  line-height: 1;
  opacity: 0.8;
}

.rank-img {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--bg-surface);
}

.rank-img .rank-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rank-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rank-info a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  transition: color 0.2s;
}

.rank-info a:hover {
  color: var(--accent-gold);
}

.rank-info small {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.rank-info time {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===== 评测 Hero ===== */
.review-intro-section {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
}

.review-intro-article {
  display: flex;
  align-items: center;
  gap: 48px;
}

.review-hero-wrap {
  flex: 0 0 320px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.review-hero-wrap .review-hero-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.review-intro-text {
  flex: 1;
}

.review-intro-text h1 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

/* ===== 对比页 ===== */
.compare-header-section {
  padding: 72px 0 52px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.compare-header-section::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-gold));
}

.compare-header-article h1 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
}

/* ===== FAQ ===== */
.faq-header-section {
  padding: 72px 0 52px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg) 100%);
}

.faq-header-article h1 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
}

/* ===== About ===== */
.about-intro-section {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.about-intro-section::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, transparent 50%, var(--accent-blue) 50%);
  opacity: 0.05;
  pointer-events: none;
}

.about-intro-text h1 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
}

/* ===== Privacy ===== */
.privacy-header-section {
  padding: 72px 0 52px;
  border-bottom: 1px solid var(--border);
}

.privacy-header-article h1 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  margin-top: 0;
}

.footer-cta {
  text-align: center;
  padding: 64px 24px;
  background: linear-gradient(160deg, var(--bg) 0%, var(--accent-blue) 50%, var(--bg) 100%);
  background-size: 200% 100%;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.footer-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(30, 58, 95, 0.3) 50%, transparent 100%);
  pointer-events: none;
}

.footer-cta h2 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.2rem, 2.5vw, 1.9rem);
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.footer-cta h2 span {
  display: inline;
}

.footer-cta p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

.footer-cta .btn-primary {
  position: relative;
  z-index: 1;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding: 48px 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-brand {
  color: var(--text-primary);
}

.footer-brand-col p {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-nav p {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
}

.footer-nav p a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 14px 6px 0;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s;
}

.footer-nav p a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: var(--text-secondary);
}

/* ===== 通用 h1 样式（非特定页） ===== */
.default-content h1,
.page-body h1 {
  font-family: 'Playfair Display SC', serif;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

/* ===== 比较内容 ===== */
.compare-content {
  min-width: 0;
}

/* ===== 交错动效 ===== */
@media (prefers-reduced-motion: no-preference) {
  .card {
    animation: fadeInUp 0.4s ease both;
  }

  .card:nth-child(2) { animation-delay: 0.06s; }
  .card:nth-child(3) { animation-delay: 0.12s; }
  .card:nth-child(4) { animation-delay: 0.18s; }
  .card:nth-child(5) { animation-delay: 0.24s; }
  .card:nth-child(6) { animation-delay: 0.30s; }

  .rank-item {
    animation: fadeInLeft 0.35s ease both;
  }

  .rank-item:nth-child(2) { animation-delay: 0.05s; }
  .rank-item:nth-child(3) { animation-delay: 0.10s; }
  .rank-item:nth-child(4) { animation-delay: 0.15s; }
  .rank-item:nth-child(5) { animation-delay: 0.20s; }

  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-16px); }
    to { opacity: 1; transform: translateX(0); }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 移动端 ===== */
@media (max-width: 900px) {
  .content-article,
  .ranking-article,
  .review-body-article,
  .compare-body-article,
  .faq-body-article,
  .about-body-article,
  .privacy-body-article,
  .default-article {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .review-intro-article {
    flex-direction: column;
  }

  .review-hero-wrap {
    flex: none;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .wrap {
    padding: 0 16px;
  }

  .header-brand {
    padding: 12px 16px;
  }

  .header-nav-row {
    padding: 0 16px;
    gap: 10px;
  }

  .main-nav {
    display: none;
  }

  .search-form input[type="search"] {
    width: 140px;
  }

  .hero-article {
    flex-direction: column;
    min-height: 100vh;
  }

  .hero-media {
    flex: 0 0 45vh;
    min-height: 45vh;
  }

  .hero-content {
    flex: 1;
    align-items: flex-start;
    text-align: left;
    padding: 36px 24px 48px;
    background: var(--bg);
  }

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

  .rank-item {
    flex-wrap: wrap;
  }

  .footer-cta {
    padding: 48px 16px;
  }

  .footer-main {
    padding: 36px 16px;
  }

  .footer-bottom {
    padding: 14px 16px;
  }
}

@media (max-width: 480px) {
  .search-form input[type="search"] {
    width: 100px;
    font-size: 0.78rem;
  }

  .search-form button {
    padding: 8px 10px;
    font-size: 0.78rem;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .btn-primary {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .rank-num {
    font-size: 1.2rem;
    min-width: 32px;
  }
}