/*
 * AIHTO Theme — 主样式 v4 (ai-nest inspired)
 * 深紫科技风格 | Nunito Sans + Rajdhani 字体 | 渐变细节
 */

/* ═══════════════════════════════════
   0. CSS 变量 — 深紫色板
   ═══════════════════════════════════ */
:root {
  /* 基础色板 — 深紫科技 */
  --bg-primary: #080220;
  --bg-secondary: #0B0328;
  --bg-card: #0F0927;
  --bg-hover: #1A1140;
  --bg-surface: #120B30;
  --bg-glass: rgba(8, 2, 32, 0.78);

  --text-primary: #EEF0F7;
  --text-secondary: #9B97B8;
  --text-tertiary: #6B6590;
  --text-inverse: #080220;

  /* 主色调 — 亮紫 */
  --accent: #6766FF;
  --accent-hover: #8887FF;
  --accent-subtle: rgba(103, 102, 255, 0.1);
  --accent-shadow: rgba(103, 102, 255, 0.2);

  /* 分类标签色 */
  --cat-ai-news: #6766FF;
  --cat-model: #8887FF;
  --cat-product: #34D399;
  --cat-industry: #FF9F31;
  --cat-paper: #F472B6;
  --cat-tips: #22D3EE;

  /* 渐变 */
  --gradient-accent: linear-gradient(91deg, #6766FF 6%, rgba(103,102,255,0.2) 37%, rgba(103,102,255,0.2) 67%, #6766FF 96%);
  --gradient-card-hover: linear-gradient(145deg, #1A1140, #120B30);
  --gradient-hero: linear-gradient(145deg, #120B30 0%, #0F0927 40%, #080220 100%);
  --gradient-glow: radial-gradient(ellipse 600px 400px at 50% 0%, rgba(103, 102, 255, 0.08) 0%, transparent 70%);

  /* 边界 */
  --border: #231B45;
  --border-light: #2F2558;
  --border-glass: rgba(103, 102, 255, 0.08);

  /* 字体 */
  --font-sans: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-display: 'Rajdhani', 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 28px;

  /* 布局 */
  --content-width: 1280px;
  --wide-width: 1280px;

  /* 动效 */
  --transition-fast: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  --header-h: 72px;
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══════════════════════════════════
   1. 基础重置
   ═══════════════════════════════════ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 1rem;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 主内容区域左右留白 */
main.wp-block-group-is-layout-constrained {
  padding-left: 1.5rem !important;
  padding-right: 1.5rem !important;
}

/* 顶部紫色光晕背景 */
body::before {
  content: '';
  position: fixed;
  top: -30%;
  left: -10%;
  width: 120%;
  height: 60%;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: -1;
}

/* 微妙的网格纹理 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(rgba(103, 102, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

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

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

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

::selection {
  background: rgba(103, 102, 255, 0.25);
  color: var(--text-primary);
}

/* ═══════════════════════════════════
   2. 站点头部 — 深紫玻璃态
   ═══════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-glass);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  background: rgba(8, 2, 32, 0.78);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(103, 102, 255, 0.15), transparent);
}

.site-header .wp-block-site-title a {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.wp-block-navigation a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.wp-block-navigation a:hover { color: var(--text-primary); }

.wp-block-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  border-radius: 2px;
}

.wp-block-navigation a:hover::after { transform: scaleX(1); }

/* ═══════════════════════════════════
   3. Hero 区域 — 紫光科技
   ═══════════════════════════════════ */
.site-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: var(--gradient-hero);
  border: 1px solid var(--border);
  padding: 3.5rem 3rem;
  margin-bottom: 3rem;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Hero 装饰网格 + 紫色光晕 */
.site-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(103, 102, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103, 102, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Hero 紫色光晕 */
.site-hero::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(103, 102, 255, 0.12) 0%, rgba(136, 135, 255, 0.04) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.site-hero > * { position: relative; z-index: 1; }

.site-hero:hover { border-color: rgba(103, 102, 255, 0.25); }

/* Hero 标签 — 渐变边框药丸 */
.site-hero .hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  margin-bottom: 1.25rem;
  width: fit-content;
  color: var(--accent);
  background: rgba(103, 102, 255, 0.08);
  border-radius: 100px;
  border: 1.5px solid transparent;
  background-clip: padding-box;
}

.site-hero .hero-label::before {
  content: '';
  position: absolute;
  inset: -1.5px;
  border-radius: 100px;
  padding: 1.5px;
  background: var(--gradient-accent);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.site-hero .hero-label::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.site-hero h1,
.site-hero h2 {
  font-size: 2.6rem;
  font-weight: 700;
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: 0.01em;
  margin-bottom: 1rem;
  color: var(--text-primary);
  text-wrap: balance;
  max-width: 700px;
}

.site-hero h2 a {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.site-hero h2 a:hover {
  color: var(--accent-hover);
}

.site-hero .hero-excerpt {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 1.25rem;
}

.site-hero .hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.site-hero .hero-meta .hero-cat {
  display: inline-flex;
  background: rgba(103, 102, 255, 0.12);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

/* ═══════════════════════════════════
   4. 文章网格
   ═══════════════════════════════════ */

/* 区域标题 — 渐变药丸标签 */
.section-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.section-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

.section-heading h3 {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}

/* 装饰性紫色短条 */
.section-heading .heading-accent {
  display: inline-block;
  width: 3px;
  height: 1.15em;
  border-radius: 2px;
  background: var(--accent);
  margin-right: 0.6rem;
  vertical-align: middle;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

/* 第一篇卡片 — 特色展示（全宽） */
.article-grid > .wp-block-post:first-child {
  grid-column: 1 / -1;
}

.article-card:first-child {
  display: flex;
  flex-direction: column;
  padding: 2rem 2.5rem;
  overflow: hidden;
  border-radius: var(--radius-xl);
  min-height: 320px;
}

.article-card:first-child .card-thumb-wrap {
  position: relative;
  height: 100%;
  min-height: 280px;
  overflow: hidden;
  background: var(--bg-surface);
}

.article-card:first-child .card-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:first-child:hover .card-thumb-wrap img {
  transform: scale(1.05);
}

.article-card:first-child .card-thumb-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8,2,32,0.4) 0%, transparent 50%);
}

.article-card:first-child .card-body {
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.article-card:first-child .wp-block-post-title {
  font-size: 1.65rem;
  line-height: 1.25;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  max-height: calc(1.65rem * 1.25 * 3);
  min-height: calc(1.65rem * 1.25 * 3);
}

.article-card:first-child .wp-block-post-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  max-height: calc(0.95rem * 1.65 * 3);
}

/* 常规文章卡片 — 深紫风格 */
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* 顶部渐变横线（悬停显现） */
.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.article-card:hover {
  background: var(--gradient-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(103, 102, 255, 0.06);
}

.article-card:hover::before { opacity: 1; }

/* 卡片的紫色光晕装饰（底部） */
.article-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 200px;
  height: 100px;
  background: radial-gradient(ellipse at bottom right, rgba(103, 102, 255, 0.03), transparent);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.article-card:hover::after { opacity: 1; }

/* 卡片顶部分类+日期行 */
.article-card .card-cat {
  margin-bottom: 0.1rem;
}

.article-card .card-cat a {
  display: inline-flex;
  align-items: center;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  transition: all var(--transition-fast);
  gap: 0.3rem;
}

.article-card .card-cat a::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
}

/* 日期 */
.article-card .wp-block-post-date {
  color: var(--text-tertiary);
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
}

.article-card .wp-block-post-date::before {
  content: '·';
  margin: 0 0.5rem;
  color: var(--border);
}

/* 文章标题 — 限制 2 行 */
.article-card .wp-block-post-title {
  font-size: 1.05rem;
  line-height: 1.4;
  font-weight: 700;
  margin: 0.5rem 0;
  letter-spacing: -0.01em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  max-height: calc(1.05rem * 1.4 * 2);
  min-height: calc(1.05rem * 1.4 * 2);
}

.article-card .wp-block-post-title a {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.article-card:hover .wp-block-post-title a {
  color: var(--accent-hover);
}

/* 摘要 — 限制 2 行 */
.article-card .wp-block-post-excerpt {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  max-height: calc(0.85rem * 1.6 * 2);
  min-height: calc(0.85rem * 1.6 * 2);
}

.article-card .wp-block-post-excerpt__more-text a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.8rem;
  transition: gap var(--transition-fast);
}

.article-card .wp-block-post-excerpt__more-text a:hover { gap: 0.5rem; }

/* ═══════════════════════════════════
   5. 分类色彩体系
   ═══════════════════════════════════ */

/* AI 动态 — 紫色 */
.wp-block-post-terms a[href*="ai-news"],
.card-cat a[href*="ai-news"] {
  color: var(--cat-ai-news) !important;
  background: rgba(103, 102, 255, 0.12) !important;
}
.article-card:has(.card-cat a[href*="ai-news"])::before {
  background: var(--gradient-accent);
}

/* 模型 — 淡紫 */
.wp-block-post-terms a[href*="/model"],
.card-cat a[href*="/model"],
.wp-block-post-terms a[href*="category/model"],
.card-cat a[href*="category/model"] {
  color: var(--cat-model) !important;
  background: rgba(136, 135, 255, 0.12) !important;
}
.article-card:has(.card-cat a[href*="/model"])::before,
.article-card:has(.card-cat a[href*="category/model"])::before {
  background: linear-gradient(90deg, transparent, var(--cat-model), transparent);
}

/* 产品 — 绿色 */
.wp-block-post-terms a[href*="/product"],
.card-cat a[href*="/product"],
.wp-block-post-terms a[href*="category/product"],
.card-cat a[href*="category/product"] {
  color: var(--cat-product) !important;
  background: rgba(52, 211, 153, 0.12) !important;
}
.article-card:has(.card-cat a[href*="/product"])::before,
.article-card:has(.card-cat a[href*="category/product"])::before {
  background: linear-gradient(90deg, transparent, var(--cat-product), transparent);
}

/* 行业 — 金色 */
.wp-block-post-terms a[href*="/industry"],
.card-cat a[href*="/industry"],
.wp-block-post-terms a[href*="category/industry"],
.card-cat a[href*="category/industry"] {
  color: var(--cat-industry) !important;
  background: rgba(255, 159, 49, 0.12) !important;
}
.article-card:has(.card-cat a[href*="/industry"])::before,
.article-card:has(.card-cat a[href*="category/industry"])::before {
  background: linear-gradient(90deg, transparent, var(--cat-industry), transparent);
}

/* 论文 — 粉色 */
.wp-block-post-terms a[href*="/paper"],
.card-cat a[href*="/paper"],
.wp-block-post-terms a[href*="category/paper"],
.card-cat a[href*="category/paper"] {
  color: var(--cat-paper) !important;
  background: rgba(244, 114, 182, 0.12) !important;
}
.article-card:has(.card-cat a[href*="/paper"])::before,
.article-card:has(.card-cat a[href*="category/paper"])::before {
  background: linear-gradient(90deg, transparent, var(--cat-paper), transparent);
}

/* 技巧 — 青色 */
.wp-block-post-terms a[href*="/tips"],
.card-cat a[href*="/tips"],
.wp-block-post-terms a[href*="category/tips"],
.card-cat a[href*="category/tips"] {
  color: var(--cat-tips) !important;
  background: rgba(34, 211, 238, 0.12) !important;
}
.article-card:has(.card-cat a[href*="/tips"])::before,
.article-card:has(.card-cat a[href*="category/tips"])::before {
  background: linear-gradient(90deg, transparent, var(--cat-tips), transparent);
}

/* ═══════════════════════════════════
   6. 文章详情页
   ═══════════════════════════════════ */

/* 文章分类标签（单页顶部） */
.article-cat a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  background: var(--accent-subtle);
  color: var(--accent);
  transition: all var(--transition-fast);
}

.article-cat a::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.article-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.article-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.article-header h1 {
  font-size: 2.5rem;
  line-height: 1.15;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  margin: 1.25rem 0;
  color: var(--text-primary);
  text-wrap: balance;
}

.article-header .wp-block-post-author {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.article-header .wp-block-post-author img {
  border-radius: 50%;
  width: 28px !important;
  height: 28px !important;
  object-fit: cover;
}

/* 文章正文 */
.wp-block-post-content {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--text-primary);
}

.wp-block-post-content p {
  margin-bottom: 1.5rem;
}

.wp-block-post-content p:first-of-type::first-letter {
  font-size: 3.2em;
  font-weight: 700;
  float: left;
  line-height: 0.85;
  margin-right: 0.5rem;
  color: var(--accent);
  font-family: var(--font-display);
}

.wp-block-post-content h2 {
  font-size: 1.65rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.wp-block-post-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.wp-block-post-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.wp-block-post-content strong {
  color: #fff;
  font-weight: 600;
}

.wp-block-post-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(103, 102, 255, 0.3);
}

.wp-block-post-content a:hover {
  text-decoration-color: var(--accent);
}

.wp-block-post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: rgba(103, 102, 255, 0.03);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-style: italic;
  font-size: 1.05rem;
}

.wp-block-post-content ul,
.wp-block-post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.wp-block-post-content li {
  margin-bottom: 0.5rem;
}

.wp-block-post-content img {
  border-radius: var(--radius-lg);
  margin: 2.5rem auto;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.wp-block-post-content figcaption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: -1.5rem;
  margin-bottom: 2.5rem;
}

/* 特色图片 */
.wp-block-post-featured-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 2.5rem !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.wp-block-post-featured-image img {
  width: 100%;
}

/* 代码块 */
.wp-block-post-content pre {
  background: #0B0328;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 2rem 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  tab-size: 2;
}

.wp-block-post-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(103, 102, 255, 0.08);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.wp-block-post-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  color: #A5B4FC;
}

.wp-block-post-content :not(pre) > code {
  background: rgba(103, 102, 255, 0.08);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  white-space: nowrap;
}

/* 表格 */
.wp-block-post-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.wp-block-post-content th,
.wp-block-post-content td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.wp-block-post-content th {
  background: var(--bg-surface);
  font-weight: 600;
  color: var(--text-primary);
}

.wp-block-post-content tr:last-child td { border-bottom: none; }

.wp-block-post-content tr:hover td {
  background: rgba(103, 102, 255, 0.03);
}

/* 标签 */
.article-tags {
  margin: 3rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.article-tags a {
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  transition: all var(--transition-fast);
}

.article-tags a:hover {
  border-color: var(--border-light);
  color: var(--accent);
  background: var(--accent-subtle);
}

/* 上一篇/下一篇 */
.wp-block-post-navigation-link {
  margin: 0.75rem 0;
}

.wp-block-post-navigation-link a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.wp-block-post-navigation-link a:hover {
  color: var(--accent-hover);
  gap: 0.5rem;
}

/* ═══════════════════════════════════
   7. 相关文章
   ═══════════════════════════════════ */
.related-posts {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.related-title {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.related-title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 1.1em;
  background: var(--accent);
  border-radius: 2px;
}

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

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.related-card img {
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.related-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  transition: color var(--transition-fast);
}

.related-card:hover .related-card-title { color: var(--accent); }

.related-card-date {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: auto;
}

/* ═══════════════════════════════════
   8. 面包屑
   ═══════════════════════════════════ */
.breadcrumb {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  padding: 0.75rem 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.breadcrumb-sep {
  color: var(--border-light);
  font-size: 0.9rem;
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

/* ═══════════════════════════════════
   9. 站点底部
   ═══════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(103, 102, 255, 0.12), transparent);
}

.site-footer a {
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

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

/* ═══════════════════════════════════
   10. 分页
   ═══════════════════════════════════ */
.wp-block-query-pagination {
  margin-top: 3rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.wp-block-query-pagination a,
.wp-block-query-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.wp-block-query-pagination a {
  color: var(--text-secondary);
  background: transparent;
}

.wp-block-query-pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-subtle);
  transform: translateY(-1px);
}

.wp-block-query-pagination .current {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

/* ═══════════════════════════════════
   11. 搜索
   ═══════════════════════════════════ */
.wp-block-search {
  display: flex;
  gap: 0.5rem;
}

.wp-block-search__input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 0.7rem 1.2rem;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  flex: 1;
}

.wp-block-search__input::placeholder { color: var(--text-tertiary); }

.wp-block-search__input:focus {
  outline: none;
  border-color: rgba(103, 102, 255, 0.4);
  box-shadow: 0 0 0 4px rgba(103, 102, 255, 0.08);
  background: var(--bg-hover);
}

.wp-block-search__button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.7rem 1.4rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.wp-block-search__button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-shadow);
}

.wp-block-search__button:active {
  transform: scale(0.97);
}

/* ═══════════════════════════════════
   12. 阅读进度条
   ═══════════════════════════════════ */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--accent);
  z-index: 999;
  transition: width 100ms linear;
}

/* ═══════════════════════════════════
   13. 返回顶部
   ═══════════════════════════════════ */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 50;
  font-size: 1.2rem;
  backdrop-filter: blur(8px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ═══════════════════════════════════
   14. 滚动显现动画
   ═══════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 交错延迟 */
.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }
.reveal-delay-5 { transition-delay: 0.25s; }
.reveal-delay-6 { transition-delay: 0.3s; }

/* ═══════════════════════════════════
   15. 工具类
   ═══════════════════════════════════ */
.has-text-secondary-color { color: var(--text-secondary); }
.has-sm-font-size { font-size: 0.875rem; }
.has-xs-font-size { font-size: 0.75rem; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ═══════════════════════════════════
   16. Focus-visible 键盘导航
   ═══════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
:focus:not(:focus-visible) { outline: none; }

/* ═══════════════════════════════════
   17. 降低动效
   ═══════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  .article-card:hover { transform: none; }
  .reveal { opacity: 1; transform: none; }
  .back-to-top:hover { transform: none; }
}

/* ═══════════════════════════════════
   18. 响应式
   ═══════════════════════════════════ */

/* 平板 */
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: repeat(2, 1fr); }

  .article-card:first-child {
    min-height: auto;
    padding: 1.5rem;
  }

  .article-card:first-child .card-thumb-wrap {
    min-height: 200px;
  }

  .article-card:first-child .card-body {
    padding: 1.5rem;
  }

  .article-card:first-child .wp-block-post-title {
    font-size: 1.35rem;
  }

  .related-grid { grid-template-columns: repeat(2, 1fr); }

  .site-hero { padding: 2.5rem 2rem; }
  .site-hero h1,
  .site-hero h2 { font-size: 2rem; }
}

/* 手机 */
@media (max-width: 768px) {
  .article-grid { grid-template-columns: 1fr; gap: 1rem; }

  .article-card {
    padding: 1.25rem;
  }

  .article-card:first-child .card-body { padding: 1.25rem; }
  .article-card:first-child .card-thumb-wrap { min-height: 180px; }
  .article-card:first-child .wp-block-post-title { font-size: 1.2rem; }

  .article-header h1 { font-size: 1.75rem; }
  .wp-block-post-content { font-size: 1rem; }
  .wp-block-post-content p:first-of-type::first-letter {
    font-size: 2.4em;
  }

  .site-hero {
    padding: 1.75rem 1.25rem;
    min-height: auto;
    border-radius: var(--radius-xl);
  }
  .site-hero h1,
  .site-hero h2 {
    font-size: 1.5rem;
  }
  .site-hero .hero-excerpt { font-size: 0.9rem; }

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

  .site-header .wp-block-site-title a { font-size: 1.2rem; }

  .section-heading { margin-bottom: 1.25rem; }
  .section-heading h3 { font-size: 1rem; }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .article-card { padding: 1rem; }
  .site-hero { padding: 1.5rem 1rem; }
  .site-hero h1,
  .site-hero h2 { font-size: 1.3rem; }
}

/* ═══════════════════════════════════
   19. 打印样式
   ═══════════════════════════════════ */
@media print {
  .site-header, .site-footer, .related-posts, .article-tags,
  .wp-block-post-navigation-link, .back-to-top, .reading-progress,
  .wp-block-post-featured-image { display: none !important; }

  body { background: #fff; color: #000; font-size: 12pt; }
  a { color: #000; text-decoration: underline; }
  .wp-block-post-content { font-size: 12pt; }
  .wp-block-post-content p:first-of-type::first-letter {
    font-size: 2em;
    float: none;
  }
  .article-header h1 {
    color: #000;
  }
}