/* ========================================
   CarBlog 核心样式表
   版本：v1.0
   作者：carbot
   说明：硬核游戏攻略网站 - 模块化、响应式、主题切换
   ======================================== */

/* ===== CSS 变量：主题系统 ===== */
:root {
  /* 浅色主题（默认） */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f7f8fa;
  --color-bg-tertiary: #eef0f4;
  --color-bg-card: #ffffff;
  --color-bg-code: #1e1e2e;
  --color-bg-code-text: #e4e4e7;

  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a5568;
  --color-text-tertiary: #6b7280;
  --color-text-inverse: #ffffff;

  --color-border: #e5e7eb;
  --color-border-hover: #cbd5e0;

  --color-accent: #e63946;
  --color-accent-hover: #c92a3a;
  --color-accent-light: rgba(230, 57, 70, 0.1);

  --color-link: #2563eb;
  --color-link-hover: #1d4ed8;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Source Code Pro", Consolas, Monaco, "Courier New", monospace;
  --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "SimSun", serif;

  /* 尺寸 */
  --container-max: 1280px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* 动画 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* 暗黑主题 */
[data-theme="dark"] {
  --color-bg-primary: #0f1115;
  --color-bg-secondary: #161922;
  --color-bg-tertiary: #1f2330;
  --color-bg-card: #1a1d27;
  --color-bg-code: #0a0c10;
  --color-bg-code-text: #d4d4d8;

  --color-text-primary: #f0f0f3;
  --color-text-secondary: #b4b8c5;
  --color-text-tertiary: #8b8f9c;
  --color-text-inverse: #0f1115;

  --color-border: #2a2e3a;
  --color-border-hover: #3a3f4d;

  --color-accent: #ff6b6b;
  --color-accent-hover: #ff5252;
  --color-accent-light: rgba(255, 107, 107, 0.15);

  --color-link: #60a5fa;
  --color-link-hover: #93c5fd;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

/* ===== 基础重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ===== 排版 ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5em;
  color: var(--color-text-primary);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1em;
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  margin: 0 0 1em 1.5em;
}

li {
  margin-bottom: 0.4em;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-bg-tertiary);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

pre {
  font-family: var(--font-mono);
  background-color: var(--color-bg-code);
  color: var(--color-bg-code-text);
  padding: 1.25em;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1em 0;
  line-height: 1.5;
  font-size: 0.9rem;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 0.5em 1em;
  margin: 1em 0;
  background-color: var(--color-accent-light);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-style: italic;
}

hr {
  border: none;
  height: 1px;
  background-color: var(--color-border);
  margin: 2em 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 0.95em;
}

th, td {
  padding: 0.6em 0.8em;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background-color: var(--color-bg-secondary);
  font-weight: 700;
  color: var(--color-text-primary);
}

tr:hover {
  background-color: var(--color-bg-secondary);
}

/* ===== 布局：容器 ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

/* ===== 头部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.85);
  transition: background-color var(--transition-base);
}

[data-theme="dark"] .site-header {
  background-color: rgba(15, 17, 21, 0.85);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-brand:hover {
  text-decoration: none;
  color: var(--color-accent);
}

.site-brand .logo {
  font-size: 1.6rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.4rem 0;
}

.site-nav a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-nav a.active {
  color: var(--color-accent);
}

.site-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

/* 主题切换按钮 */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-accent);
  transform: rotate(15deg);
}

/* 移动端菜单 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text-primary);
}

@media (max-width: 768px) {
  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem;
    gap: 1.2rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

/* ===== 主区域 ===== */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 0.6em;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero h1 .accent {
  color: var(--color-accent);
}

.hero p.lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 720px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  min-width: 140px;
  box-shadow: var(--shadow-sm);
}

.stat-card .stat-num {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  display: block;
}

.stat-card .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  margin-top: 0.4rem;
  display: block;
}

/* ===== 章节 ===== */
.section {
  padding: 3.5rem 0;
}

.section-header {
  margin-bottom: 2rem;
  text-align: center;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 0.4em;
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== 游戏卡片网格 ===== */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.game-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.game-card .cover {
  width: 100%;
  height: 160px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
  position: relative;
  overflow: hidden;
}

.game-card .cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.3) 0%, transparent 50%);
}

.game-card .body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.game-card .title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4em;
  color: var(--color-text-primary);
}

.game-card .subtitle {
  font-size: 0.78rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.6em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 0.5em;
  flex-wrap: wrap;
}

.article-id-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  padding: 0.15em 0.5em;
  border-radius: 3px;
  letter-spacing: 0.04em;
  text-transform: none;
  font-weight: 600;
}

.game-card .desc {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1;
}

.game-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.game-card .tag {
  font-size: 0.72rem;
  padding: 0.2em 0.6em;
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: 100px;
  font-weight: 500;
}

.game-card .tag.difficulty-hard {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.game-card .tag.difficulty-medium {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.game-card .tag.difficulty-easy {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.game-card .footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.8rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-tertiary);
}

.game-card .stats {
  display: flex;
  gap: 0.8rem;
}

.game-card .stats span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65em 1.4em;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

/* ===== 搜索框 ===== */
.search-box {
  position: relative;
  max-width: 480px;
  margin: 0 auto 2.5rem;
}

.search-box input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.search-box::before {
  content: '🔍';
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95rem;
  opacity: 0.6;
}

/* ===== 文章页面 ===== */
.article {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.article-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.article-header .game-badge {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  font-size: 0.75rem;
  padding: 0.3em 1em;
  border-radius: 100px;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.article-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.6em;
  letter-spacing: -0.02em;
}

.article-header .meta {
  color: var(--color-text-tertiary);
  font-size: 0.9rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.article-header .meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* 文章编号与版本元数据 */
.article-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-tertiary);
  background: var(--color-bg-tertiary);
  padding: 0.3em 0.9em;
  border-radius: 100px;
  margin-bottom: 1.2em;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-border);
}

.article-eyebrow::before {
  content: '🏷 ';
  margin-right: 0.2em;
}

/* 文章引用块 */
.article-citation {
  margin-top: 3.5em;
  padding: 1.5em 1.75em;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
}

.citation-title {
  font-weight: 700;
  margin-bottom: 0.8em;
  color: var(--color-text-primary);
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.4em;
}

.article-citation pre {
  background: var(--color-bg-code);
  color: var(--color-bg-code-text);
  font-size: 0.82em;
  margin: 0.5em 0 1em;
  padding: 1em 1.2em;
  line-height: 1.55;
}

.citation-note {
  font-size: 0.88rem;
  color: var(--color-text-tertiary);
  margin: 0;
  line-height: 1.6;
}

.citation-note code {
  background: var(--color-bg-tertiary);
  color: var(--color-accent);
  padding: 0.15em 0.5em;
  font-size: 0.95em;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text-primary);
}

.article-body h2 {
  margin-top: 2.5em;
  margin-bottom: 0.8em;
  padding-bottom: 0.4em;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
  font-size: 1.6rem;
}

.article-body h3 {
  margin-top: 2em;
  margin-bottom: 0.6em;
  font-size: 1.3rem;
  color: var(--color-text-primary);
}

.article-body h4 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  font-size: 1.1rem;
}

.article-body p {
  margin-bottom: 1.2em;
}

.article-body strong {
  color: var(--color-accent);
  font-weight: 700;
}

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

.article-body li {
  margin-bottom: 0.5em;
}

.article-body blockquote {
  margin: 1.5em 0;
  padding: 1em 1.5em;
  font-size: 0.95em;
  font-style: normal;
}

.article-body blockquote p {
  margin-bottom: 0;
}

.article-body pre {
  margin: 1.5em 0;
  font-size: 0.88em;
  line-height: 1.6;
}

.article-body table {
  margin: 1.5em 0;
  font-size: 0.92em;
}

/* 警示框 */
.callout {
  margin: 1.5em 0;
  padding: 1em 1.25em;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-info);
  background: var(--color-bg-secondary);
}

.callout.tip {
  border-color: var(--color-success);
}

.callout.warning {
  border-color: var(--color-warning);
}

.callout.danger {
  border-color: var(--color-danger);
}

.callout-title {
  font-weight: 700;
  margin-bottom: 0.4em;
  display: flex;
  align-items: center;
  gap: 0.4em;
  color: var(--color-text-primary);
}

.callout p:last-child {
  margin-bottom: 0;
}

/* 目录 */
.toc {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  font-size: 0.9rem;
}

.toc-title {
  font-weight: 700;
  margin-bottom: 0.8em;
  color: var(--color-text-primary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc ul ul {
  margin-left: 1.2em;
  margin-top: 0.3em;
  margin-bottom: 0.5em;
}

.toc li {
  margin-bottom: 0.35em;
}

.toc a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9em;
  display: block;
  padding: 0.15em 0;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toc a:hover {
  color: var(--color-accent);
  padding-left: 0.4em;
  text-decoration: none;
}

/* ===== 底部 ===== */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0 1.5rem;
  margin-top: 4rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 0.8em;
  color: var(--color-text-primary);
}

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

.footer-col li {
  margin-bottom: 0.5em;
}

.footer-col a {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: 0.85rem;
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-tertiary); }
.text-accent { color: var(--color-accent); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.hidden { display: none !important; }

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

.fade-in-up {
  animation: fadeInUp 0.5s ease-out;
}

/* ===== 响应式微调 ===== */
@media (max-width: 640px) {
  .hero { padding: 2.5rem 0 2rem; }
  .section { padding: 2.5rem 0; }
  .article { padding: 1.5rem 1rem 3rem; }
  .article-body { font-size: 1rem; line-height: 1.75; }
  .article-body h2 { font-size: 1.4rem; }
  .article-body h3 { font-size: 1.15rem; }
  .games-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 0.8rem; }
  .stat-card { padding: 1rem; min-width: 100px; }
  .stat-card .stat-num { font-size: 1.5rem; }
}

/* ===== 打印样式 ===== */
@media print {
  .site-header, .site-footer, .theme-toggle, .menu-toggle { display: none; }
  body { background: white; color: black; }
  .article { max-width: 100%; }
  a { color: black; text-decoration: underline; }
}

/* ===== 可访问性 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== 攻略即将推出占位 ===== */
.coming-soon {
  text-align: center;
  padding: 4em 2em;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin: 2em 0;
}

.cs-icon {
  font-size: 4rem;
  margin-bottom: 0.5em;
  line-height: 1;
}

.coming-soon h2 {
  font-size: 1.6rem;
  color: var(--color-text-primary);
  margin-bottom: 0.8em;
}

.coming-soon ul {
  list-style: none;
  padding: 0;
  max-width: 420px;
  margin: 1.2em auto;
  text-align: left;
}

.coming-soon li {
  padding: 0.5em 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.coming-soon .cs-note {
  font-size: 0.88rem;
  color: var(--color-text-tertiary);
  margin-top: 1.5em;
  padding: 0.8em 1.2em;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  display: inline-block;
}