/* ============================================
   Portfolio Style - Inspired by nuonuo-888/my-portfolio
   顶部毛玻璃导航 + 单列居中 + 紫粉渐变 + 玻璃拟态
   ============================================ */

/* ========== CSS变量体系 ========== */
:root {
  /* 背景色 - OKLCH暗色风格 */
  --bg-primary: #0a0a0b;
  --bg-secondary: #161618;
  --bg-tertiary: #1c1c1f;
  
  /* 卡片底色 - 半透明玻璃 */
  --card-bg: rgba(28, 28, 31, 0.7);
  --card-bg-hover: rgba(38, 38, 42, 0.8);
  
  /* 主色调 - 紫粉渐变 */
  --primary: #a855f7;
  --primary-light: #c084fc;
  --primary-dark: #9333ea;
  --primary-bg: rgba(168, 85, 247, 0.1);
  
  /* 辅助色 */
  --accent-pink: #ec4899;
  --accent-purple: #a855f7;
  --accent-blue: #6366f1;
  
  /* 文字色分层 */
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-dim: #52525b;
  
  /* 边框与圆角 */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(168, 85, 247, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius: 10px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(168, 85, 247, 0.15);
  
  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #a855f7, #ec4899);
  --gradient-subtle: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(236, 72, 153, 0.1));
}

/* ========== 强制禁用motion初始隐藏 ========== */
.use-motion .post-block,
.use-motion .post-header,
.use-motion .post-body,
.use-motion .pagination,
.use-motion .comments,
.use-motion .collection-header,
.use-motion .menu-item,
.use-motion .sidebar-inner,
.use-motion .site-title,
.use-motion .site-subtitle {
  opacity: 1 !important;
  visibility: visible !important;
}

/* ========== 全局背景 ========== */
body {
  background: var(--bg-primary) !important;
  background-image: 
    radial-gradient(ellipse 600px 400px at 15% 10%, rgba(168, 85, 247, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 500px 500px at 85% 90%, rgba(236, 72, 153, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse 400px 300px at 50% 50%, rgba(99, 102, 241, 0.03) 0%, transparent 70%) !important;
  background-attachment: fixed !important;
  color: var(--text-secondary) !important;
}

/* 极淡背景纹理 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 50px 50px, 80px 80px;
  pointer-events: none;
  z-index: 0;
}

/* ========== 布局重构：顶部导航 + 单列居中 ========== */
.container {
  max-width: 900px !important;
  margin: 0 auto !important;
  padding: 0 20px !important;
  position: relative !important;
}

/* 头部改为顶部sticky毛玻璃导航栏 */
.header {
  position: sticky !important;
  top: 0 !important;
  z-index: 100 !important;
  width: 100% !important;
  background: rgba(10, 10, 11, 0.7) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border-bottom: 1px solid var(--border-color) !important;
  padding: 0 !important;
}

.header-inner {
  position: relative !important;
  width: 100% !important;
  max-width: 900px !important;
  margin: 0 auto !important;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  overflow: visible !important;
  padding: 0 20px !important;
}

/* 品牌容器 */
.site-brand-container {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 14px 0 !important;
}

.site-meta {
  padding: 0 !important;
  flex-shrink: 0 !important;
}

.brand {
  text-decoration: none !important;
}

.site-title {
  color: var(--text-primary) !important;
  font-weight: 700 !important;
  font-size: 1.25em !important;
  text-shadow: none !important;
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
}

.logo-line-before, .logo-line-after {
  display: none !important;
}

.site-subtitle {
  color: var(--text-muted) !important;
  font-size: 0.75em !important;
  margin: 2px 0 0 0 !important;
}

/* 导航切换按钮隐藏（桌面端） */
.site-nav-toggle, .site-nav-right {
  display: none !important;
}

/* ========== 主导航菜单 - 横向排列 ========== */
.site-nav {
  display: flex !important;
  align-items: center !important;
  width: auto !important;
  text-align: left !important;
}

.main-menu.menu {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: flex !important;
  flex-direction: row !important;
  justify-content: flex-end !important;
  flex-wrap: nowrap !important;
  align-items: center !important;
  gap: 0 !important;
}

.menu-item {
  display: block !important;
  white-space: nowrap !important;
  margin: 0 !important;
  padding: 0 !important;
  width: auto !important;
}

.menu-item a,
.menu-item span.exturl {
  display: flex !important;
  align-items: center !important;
  white-space: nowrap !important;
  text-decoration: none !important;
  padding: 8px 14px !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-secondary) !important;
  font-size: 0.85em !important;
  transition: all 0.2s ease !important;
  border-bottom: none !important;
  font-weight: 500 !important;
  width: auto !important;
  box-sizing: border-box !important;
}

.menu-item a:hover,
.menu-item span.exturl:hover {
  background: var(--primary-bg) !important;
  color: var(--primary-light) !important;
  border-bottom-color: transparent !important;
}

.menu-item .fa,
.menu-item .fab,
.menu-item .far,
.menu-item .fas {
  margin-right: 5px !important;
  color: var(--primary) !important;
  font-size: 0.9em !important;
}

/* ========== 主内容区 - 单列居中 ========== */
.main {
  padding: 32px 0 !important;
  width: 100% !important;
}

.main-inner {
  display: block !important;
  flex-direction: initial !important;
  align-items: initial !important;
  justify-content: initial !important;
  width: 100% !important;
  max-width: 900px !important;
  margin: 0 auto !important;
  padding: 0 20px !important;
}

.content-wrap {
  width: 100% !important;
  margin-left: 0 !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  z-index: auto !important;
  position: relative !important;
}

/* ========== 隐藏侧边栏 ========== */
.sidebar, .sidebar-toggle {
  display: none !important;
}

#sidebar-dimmer {
  display: none !important;
}

/* ========== 搜索弹窗 ========== */
.search-pop-overlay {
  z-index: 200 !important;
}

.search-popup {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  backdrop-filter: blur(20px) !important;
}

/* ========== 首页欢迎横幅 ========== */
.hero-section {
  position: relative !important;
  padding: 40px !important;
  background: var(--gradient-subtle) !important;
  backdrop-filter: blur(10px) !important;
  border-radius: var(--radius-lg) !important;
  border: 1px solid rgba(168, 85, 247, 0.15) !important;
  overflow: hidden !important;
  margin-bottom: 32px !important;
}

.hero-section::before {
  content: '' !important;
  position: absolute !important;
  top: 0; left: 0; right: 0; bottom: 0 !important;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(236, 72, 153, 0.06) 0%, transparent 50%) !important;
  pointer-events: none !important;
}

.hero-content {
  position: relative !important;
  z-index: 1 !important;
}

.hero-content h2 {
  font-size: 28px !important;
  font-weight: 700 !important;
  background: var(--gradient-primary) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  letter-spacing: 0.5px !important;
  margin: 0 0 10px !important;
}

.hero-content p {
  color: var(--text-muted) !important;
  font-size: 14px !important;
  margin-top: 8px !important;
}

.hero-stats {
  border-top: 1px solid var(--border-color) !important;
  padding-top: 24px !important;
  margin-top: 24px !important;
  display: flex !important;
  justify-content: center !important;
  gap: 32px !important;
}

.stat-item {
  text-align: center !important;
  padding: 10px 20px !important;
  background: rgba(255, 255, 255, 0.03) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--border-color) !important;
  transition: all 0.2s ease !important;
}

.stat-item:hover {
  border-color: var(--border-hover) !important;
  transform: translateY(-2px) !important;
}

.stat-number {
  color: var(--primary) !important;
  font-size: 26px !important;
  font-weight: 700 !important;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace !important;
  display: block !important;
}

.stat-label {
  color: var(--text-muted) !important;
  font-size: 12px !important;
  letter-spacing: 0.5px !important;
  display: block !important;
  margin-top: 4px !important;
}

/* ========== 文章卡片 ========== */
.post-card-horizontal {
  background: var(--card-bg) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  display: flex !important;
  overflow: hidden !important;
  margin-bottom: 16px !important;
  position: relative !important;
  min-height: 220px !important;
}

.post-card-horizontal:hover {
  transform: translateY(-2px) !important;
  border-color: var(--border-hover) !important;
  box-shadow: var(--shadow-hover) !important;
  background: var(--card-bg-hover) !important;
}

/* 卡片图片区域 */
.card-image-wrapper {
  flex-shrink: 0 !important;
  width: 140px !important;
  min-height: 220px !important;
  height: 220px !important;
  position: relative !important;
  overflow: hidden !important;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary)) !important;
  border-right: 1px solid var(--border-color) !important;
}

.card-image {
  width: 100% !important;
  height: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: var(--primary) !important;
}

.card-image i {
  font-size: 2.2em !important;
  opacity: 0.8 !important;
}

/* 卡片内容 */
.card-content {
  flex-grow: 1 !important;
  padding: 20px 24px !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
  justify-content: space-between !important;
  min-height: 220px !important;
  height: auto !important;
}

.card-title-horizontal a {
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  font-size: 1em !important;
  text-decoration: none !important;
  transition: color 0.2s ease !important;
  line-height: 1.4 !important;
}

.card-title-horizontal a:hover {
  color: var(--primary-light) !important;
}

.card-meta-horizontal {
  color: var(--text-muted) !important;
  font-size: 0.78em !important;
  display: flex !important;
  gap: 12px !important;
  align-items: center !important;
  flex-wrap: wrap !important;
}

.card-meta-horizontal i {
  color: var(--text-dim) !important;
  margin-right: 3px !important;
}

.card-excerpt-horizontal p {
  color: var(--text-secondary) !important;
  font-size: 0.85em !important;
  line-height: 1.6 !important;
  margin: 0 !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
}

/* 分类标签 */
.card-category {
  display: inline-block !important;
  background: var(--primary-bg) !important;
  color: var(--primary) !important;
  border: 1px solid rgba(168, 85, 247, 0.25) !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  padding: 2px 10px !important;
  font-size: 0.72em !important;
}

.card-tags-horizontal .tag {
  display: inline-block !important;
  background: rgba(255, 255, 255, 0.05) !important;
  color: var(--text-muted) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-sm) !important;
  padding: 1px 8px !important;
  font-size: 0.7em !important;
  margin-right: 4px !important;
}

.read-more-horizontal {
  color: var(--primary) !important;
  font-size: 0.82em !important;
  text-decoration: none !important;
  font-weight: 600 !important;
  transition: all 0.2s ease !important;
}

.read-more-horizontal:hover {
  color: var(--primary-light) !important;
}

/* ========== 区块标题 ========== */
.section-header {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  margin-bottom: 20px !important;
}

.section-header h3 {
  color: var(--text-primary) !important;
  font-size: 1.1em !important;
  font-weight: 600 !important;
  margin: 0 !important;
}

.section-header h3 i {
  color: var(--primary) !important;
  margin-right: 8px !important;
}

.section-divider {
  flex-grow: 1 !important;
  height: 1px !important;
  background: linear-gradient(90deg, var(--border-color), transparent) !important;
}

/* ========== 搜索框 ========== */
.search-container {
  max-width: 600px !important;
  margin: 0 auto 24px !important;
}

.search-box {
  display: flex !important;
  align-items: center !important;
  background: var(--card-bg) !important;
  backdrop-filter: blur(10px) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 24px !important;
  padding: 8px 16px !important;
  transition: all 0.2s ease !important;
}

.search-box:focus-within {
  border-color: var(--border-hover) !important;
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1) !important;
}

.search-box i {
  color: var(--text-muted) !important;
  margin-right: 10px !important;
}

.search-box input {
  flex-grow: 1 !important;
  border: none !important;
  background: transparent !important;
  outline: none !important;
  color: var(--text-primary) !important;
  font-size: 14px !important;
  font-family: inherit !important;
}

.search-box input::placeholder {
  color: var(--text-muted) !important;
}

.search-btn {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  border: none !important;
  padding: 7px 18px !important;
  border-radius: 16px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  margin-left: 8px !important;
}

.search-btn:hover {
  opacity: 0.9 !important;
  transform: translateY(-1px) !important;
}

.search-results {
  text-align: center !important;
  margin-top: 12px !important;
  color: var(--text-muted) !important;
  font-size: 13px !important;
}

/* ========== 分页 ========== */
.pagination {
  display: flex !important;
  justify-content: center !important;
  gap: 6px !important;
  margin-top: 32px !important;
  flex-wrap: wrap !important;
}

.pagination a,
.pagination span {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 36px !important;
  height: 36px !important;
  padding: 0 12px !important;
  border-radius: var(--radius-sm) !important;
  text-decoration: none !important;
  color: var(--text-muted) !important;
  transition: all 0.2s ease !important;
  background: var(--card-bg) !important;
  border: 1px solid var(--border-color) !important;
  font-size: 13px !important;
}

.pagination a:hover {
  color: var(--primary) !important;
  border-color: var(--border-hover) !important;
  transform: translateY(-1px) !important;
}

.pagination .current {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  border-color: transparent !important;
  font-weight: 600 !important;
}

.pagination-info {
  text-align: center !important;
  margin-bottom: 20px !important;
  color: var(--text-muted) !important;
  font-size: 13px !important;
}

/* ========== 文章详情页 ========== */
.post-block {
  background: var(--card-bg) !important;
  backdrop-filter: blur(12px) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  padding: 40px !important;
  margin-bottom: 24px !important;
}

.post-header {
  text-align: center !important;
  margin-bottom: 28px !important;
}

.post-title {
  color: var(--text-primary) !important;
  font-size: 1.8em !important;
  font-weight: 700 !important;
  margin: 0 0 12px !important;
  line-height: 1.4 !important;
}

.post-meta {
  color: var(--text-muted) !important;
  font-size: 0.88em !important;
}

.post-meta i {
  color: var(--primary) !important;
  margin-right: 4px !important;
}

.post-body {
  color: var(--text-secondary) !important;
  font-size: 15px !important;
  line-height: 1.8 !important;
}

.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4 {
  color: var(--text-primary) !important;
  margin-top: 32px !important;
  margin-bottom: 16px !important;
  font-weight: 700 !important;
  line-height: 1.3 !important;
}

.post-body h1 { font-size: 1.8em !important; }
.post-body h2 { 
  font-size: 1.5em !important;
  padding-bottom: 8px !important;
  border-bottom: 1px solid var(--border-color) !important;
}
.post-body h3 { font-size: 1.3em !important; }
.post-body h4 { font-size: 1.1em !important; }

.post-body p {
  margin: 0 0 18px !important;
}

.post-body a {
  color: var(--primary) !important;
  text-decoration: none !important;
  border-bottom: 1px solid rgba(168, 85, 247, 0.3) !important;
  transition: all 0.2s ease !important;
}

.post-body a:hover {
  border-bottom-color: var(--primary) !important;
}

.post-body ul,
.post-body ol {
  padding-left: 24px !important;
  margin: 0 0 18px !important;
}

.post-body li {
  margin-bottom: 8px !important;
}

.post-body strong,
.post-body b {
  color: var(--text-primary) !important;
  font-weight: 600 !important;
}

.post-body code {
  background: var(--bg-tertiary) !important;
  color: var(--accent-pink) !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  font-size: 0.9em !important;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace !important;
}

.post-body pre {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  padding: 20px !important;
  overflow-x: auto !important;
  margin: 20px 0 !important;
}

.post-body pre code {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  color: var(--text-secondary) !important;
}

.post-body blockquote {
  background: rgba(168, 85, 247, 0.05) !important;
  border-left: 3px solid var(--primary) !important;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important;
  color: var(--text-muted) !important;
  margin: 20px 0 !important;
  padding: 16px 20px !important;
}

.post-body table {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-sm) !important;
  overflow: hidden !important;
  margin: 20px 0 !important;
  width: 100% !important;
  border-collapse: collapse !important;
}

.post-body th {
  background: var(--primary-bg) !important;
  color: var(--primary) !important;
  border-bottom: 1px solid var(--border-color) !important;
  padding: 12px 16px !important;
  text-align: left !important;
  font-weight: 600 !important;
}

.post-body td {
  color: var(--text-secondary) !important;
  border-bottom: 1px solid var(--border-color) !important;
  padding: 12px 16px !important;
}

.post-body hr {
  border: none !important;
  height: 1px !important;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent) !important;
  margin: 32px 0 !important;
}

.post-body img {
  border-radius: var(--radius-md) !important;
  max-width: 100% !important;
  margin: 16px 0 !important;
}

/* 文章标签 */
.post-tags {
  margin-top: 32px !important;
  padding-top: 20px !important;
  border-top: 1px solid var(--border-color) !important;
}

.post-tags a {
  display: inline-block !important;
  background: rgba(255, 255, 255, 0.05) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-sm) !important;
  padding: 4px 12px !important;
  margin: 0 4px 8px 0 !important;
  font-size: 0.85em !important;
  text-decoration: none !important;
  transition: all 0.2s ease !important;
}

.post-tags a:hover {
  background: var(--primary-bg) !important;
  color: var(--primary) !important;
  border-color: var(--border-hover) !important;
}

/* ========== 标签和分类页 ========== */
.collection-header {
  text-align: center !important;
  margin-bottom: 32px !important;
}

.collection-header h1 {
  color: var(--text-primary) !important;
  font-size: 2em !important;
  font-weight: 700 !important;
}

.collection-header .description {
  color: var(--text-muted) !important;
}

.tag-cloud {
  background: var(--card-bg) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  padding: 32px !important;
  text-align: center !important;
}

.tag-cloud a {
  display: inline-block !important;
  background: rgba(255, 255, 255, 0.05) !important;
  color: var(--text-secondary) !important;
  padding: 6px 14px !important;
  margin: 4px !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--border-color) !important;
  text-decoration: none !important;
  transition: all 0.2s ease !important;
  font-size: 0.9em !important;
}

.tag-cloud a:hover {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  border-color: transparent !important;
  transform: translateY(-2px) !important;
}

/* ========== 归档页 ========== */
.archive {
  background: var(--card-bg) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  padding: 32px !important;
}

.archive-year {
  color: var(--primary) !important;
  font-size: 1.3em !important;
  font-weight: 700 !important;
  margin: 24px 0 16px !important;
}

.archive-item {
  display: flex !important;
  align-items: center !important;
  padding: 12px 0 !important;
  border-bottom: 1px solid var(--border-color) !important;
}

.archive-item:last-child {
  border-bottom: none !important;
}

.archive-item .date {
  color: var(--text-muted) !important;
  font-size: 0.88em !important;
  min-width: 80px !important;
}

.archive-item a {
  color: var(--text-secondary) !important;
  text-decoration: none !important;
  transition: color 0.2s ease !important;
}

.archive-item a:hover {
  color: var(--primary) !important;
}

/* ========== 关于页 ========== */
.about-page {
  background: var(--card-bg) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  padding: 40px !important;
}

.about-page h2 {
  color: var(--text-primary) !important;
  font-size: 1.5em !important;
  font-weight: 700 !important;
  margin: 0 0 16px !important;
}

.about-page p {
  color: var(--text-secondary) !important;
  line-height: 1.8 !important;
  margin-bottom: 16px !important;
}

/* ========== 页脚 ========== */
.footer {
  background: transparent !important;
  border-top: 1px solid var(--border-color) !important;
  padding: 24px 0 !important;
}

.footer-inner {
  color: var(--text-muted) !important;
  text-align: center !important;
  padding-left: 0 !important;
}

.footer .copyright {
  font-size: 0.85em !important;
  margin-bottom: 8px !important;
}

.footer .copyright a {
  color: var(--primary) !important;
  text-decoration: none !important;
}

/* ========== 返回顶部按钮 ========== */
.back-to-top {
  position: fixed !important;
  bottom: 30px !important;
  right: 30px !important;
  width: 44px !important;
  height: 44px !important;
  background: var(--gradient-primary) !important;
  color: #fff !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  box-shadow: 0 4px 16px rgba(168, 85, 247, 0.3) !important;
  transition: all 0.25s ease !important;
  z-index: 999 !important;
  border: none !important;
}

.back-to-top:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4) !important;
}

/* ========== GitHub角标 ========== */
.github-corner {
  position: fixed !important;
  top: 0 !important;
  right: 0 !important;
  width: 80px !important;
  height: 80px !important;
  z-index: 99999 !important;
  pointer-events: auto !important;
  overflow: visible !important;
  isolation: isolate !important;
  transform: translateZ(0) !important;
}

.github-corner svg {
  fill: var(--primary) !important;
  opacity: 0.7 !important;
  position: absolute !important;
  top: 0 !important;
  right: 0 !important;
}

.github-corner:hover svg {
  opacity: 1 !important;
}

/* 确保header z-index低于github-corner */
.header {
  z-index: 100 !important;
}

/* 分页：默认隐藏所有文章，JS添加pagination-ready后显示 */
.post-list .post-card-horizontal {
  display: none !important;
}

.post-list.pagination-ready .post-card-horizontal:not(.pagination-hidden) {
  display: flex !important;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .container, .main-inner, .header-inner {
    padding: 0 16px !important;
  }
  
  .main-menu.menu {
    flex-wrap: wrap !important;
    justify-content: center !important;
  }
  
  .menu-item a, .menu-item span.exturl {
    padding: 6px 10px !important;
    font-size: 0.8em !important;
  }
  
  .site-brand-container {
    flex-direction: column !important;
    align-items: center !important;
    gap: 8px !important;
  }
  
  .site-nav {
    width: 100% !important;
  }
  
  .hero-section {
    padding: 24px !important;
  }
  
  .hero-content h2 {
    font-size: 22px !important;
  }
  
  .stat-number {
    font-size: 22px !important;
  }
  
  .hero-stats {
    gap: 16px !important;
    flex-wrap: wrap !important;
  }
  
  .stat-item {
    padding: 8px 12px !important;
  }
  
  .post-card-horizontal {
    flex-direction: column !important;
  }
  
  .card-image-wrapper {
    width: 100% !important;
    min-height: 100px !important;
    height: 100px !important;
  }
  
  .card-content {
    padding: 14px !important;
    height: auto !important;
    min-height: auto !important;
  }
  
  .post-block {
    padding: 24px !important;
  }
  
  .pagination {
    gap: 4px !important;
  }
  
  .pagination a,
  .pagination span {
    min-width: 32px !important;
    height: 32px !important;
    font-size: 12px !important;
  }
}

/* ========== 滚动条美化 ========== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* ========== 选中文本 ========== */
::selection {
  background: rgba(168, 85, 247, 0.3);
  color: var(--text-primary);
}