/* ========================================
   极简博客样式系统
   设计理念：极简、留白、品质感
   配色：深灰 #1a1a1a + 中灰 #666 + 蓝色强调 #0066FF
   字体：Noto Serif SC (标题) + Inter (正文)
======================================== */

/* === CSS 变量 === */
:root {
  /* 颜色系统 */
  --color-primary: #1a1a1a;
  --color-secondary: #666666;
  --color-accent: #0066FF;
  --color-border: #e5e5e5;
  --color-bg: #ffffff;
  --color-bg-light: #fafafa;
  --color-text: #1a1a1a;
  --color-text-light: #999999;
  
  /* 字体系统 */
  --font-heading: 'Noto Serif SC', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* 间距系统 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 5rem;
  
  /* 布局 */
  --max-width: 1200px;
  --sidebar-width: 280px;
  --header-height: 80px;
  
  /* 动画 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

/* === 容器 === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
}

/* === 头部 === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  animation: fadeIn 0.6s ease;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  transition: opacity var(--transition-fast);
}

.header-logo:hover {
  opacity: 0.7;
  color: var(--color-primary);
}

.header-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-lg);
}

.header-menu li a {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.header-menu li a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-normal);
}

.header-menu li a:hover::after {
  width: 100%;
}

.header-menu li a:hover {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.menu-toggle:hover {
  color: var(--color-primary);
}

.menu-icon {
  width: 24px;
  height: 24px;
}

/* === 主体布局 === */
.page_content {
  padding-top: calc(var(--header-height) + var(--spacing-xl));
  padding-bottom: var(--spacing-xl);
  min-height: 100vh;
  animation: fadeIn 0.8s ease;
}

.main-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--spacing-xxl);
  align-items: start;
}

/* === 文章列表 === */
.article-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* === 卡片样式 === */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  animation: fadeInUp 0.6s ease;
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.card-horizontal {
  display: flex;
}

.card-link {
  display: flex;
  width: 100%;
}

.card-thumb {
  flex: 0 0 280px;
  width: 280px;
  height: 180px;
  overflow: hidden;
  background: var(--color-bg-light);
  display: block;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
  display: block;
}

.card:hover .card-thumb img {
  transform: scale(1.05);
}

.card-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  width: 280px;
  height: 180px;
}

.no-image-text {
  font-size: 14px;
  color: #999;
  font-family: var(--font-body);
}

.card-body {
  flex: 1;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  transition: color var(--transition-fast);
}

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

.card-desc {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
}

.card-tag {
  color: var(--color-accent);
  font-weight: 500;
}

.card-date {
  color: var(--color-text-light);
}

/* === 侧边栏 === */
.sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-xl));
}

.sidebar-box {
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.sidebar-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.sidebar-list li a {
  display: block;
  padding: var(--spacing-xs) 0;
  font-size: 0.9375rem;
  color: var(--color-secondary);
  transition: all var(--transition-fast);
  position: relative;
  padding-left: var(--spacing-sm);
}

.sidebar-list li a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.sidebar-list li a:hover::before,
.sidebar-list li a.active::before {
  width: 8px;
}

.sidebar-list li a:hover,
.sidebar-list li a.active {
  color: var(--color-primary);
}

/* === 分页 === */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.pagination li {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.pagination li a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.pagination li:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.pagination li.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* === 底部 === */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  background: var(--color-bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer-links li a {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.footer-links li a:hover {
  color: var(--color-primary);
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.footer-copyright a {
  color: var(--color-secondary);
}

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

/* === 页面标题 === */
.page-header {
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.page-desc {
  font-size: 1rem;
  color: var(--color-secondary);
  line-height: 1.6;
}

/* === Hero 区域 === */
.hero {
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.hero-content {
  max-width: 800px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.hero-desc {
  font-size: 1rem;
  color: var(--color-secondary);
  line-height: 1.8;
}

/* === 区块标题 === */
.section {
  margin-bottom: var(--spacing-xxl);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.section-more {
  font-size: 0.875rem;
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.section-more:hover {
  color: var(--color-accent);
}

/* === 网格布局 === */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

/* === 笔记卡片 === */
.note-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.note-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.note-date {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.note-content {
  font-size: 1rem;
  color: var(--color-primary);
  line-height: 1.6;
}

/* === 笔记本网格 === */
.notebooks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/* === 笔记本卡片 === */
.notebook-card {
  display: block;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.notebook-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transform: translateY(-4px);
}

.notebook-cover {
  height: 200px;
  overflow: hidden;
  background: var(--color-bg-light);
}

.notebook-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.notebook-card:hover .notebook-cover img {
  transform: scale(1.05);
}

.notebook-cover-solid {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  width: 100%;
  height: 200px;
}

.album-cover-solid {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  width: 100%;
  height: 250px;
}

.notebook-body {
  padding: var(--spacing-lg);
}

.notebook-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  transition: color var(--transition-fast);
}

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

.notebook-desc {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notebook-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.notebook-count {
  color: var(--color-accent);
  font-weight: 500;
}

/* === 日志卡片 === */
.journal-card {
  background: var(--color-bg-light);
  padding: var(--spacing-lg);
  border-left: 3px solid var(--color-accent);
  transition: all var(--transition-normal);
}

.journal-card:hover {
  background: var(--color-bg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.journal-time {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.journal-content {
  font-size: 1rem;
  color: var(--color-primary);
  line-height: 1.6;
}

/* === 相册卡片 === */
.album-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.album-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.album-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.album-card:hover img {
  transform: scale(1.05);
}

.album-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: white;
}

.album-title {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.album-count {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* === 动画 === */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

/* === 响应式设计 === */
@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .sidebar {
    position: static;
  }
  
  .card-thumb {
    width: 240px;
    height: 160px;
  }
  
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .notebooks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
  
  .notebooks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  
  .header-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .header-menu.active {
    display: flex;
  }
  
  .header-top {
    height: 100%;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .card-horizontal {
    flex-direction: column;
  }
  
  .card-thumb {
    width: 100%;
    height: 200px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .notebooks-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .card-body {
    padding: var(--spacing-md);
  }
  
  .card-title {
    font-size: 1.125rem;
  }
}

/* === 工具类 === */
.fade {
  display: none;
}

.lines {
  display: none;
}

/* === 文章详情页 === */
.article-detail {
  max-width: 1200px;
  margin: 0 auto;
}

.article {
  margin-bottom: var(--spacing-xxl);
}

/* 双栏布局 */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--spacing-xxl);
  align-items: start;
}

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

.article-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-xl));
}

.article-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.article-category {
  color: var(--color-accent);
  font-weight: 500;
}

.article-date,
.article-reading {
  color: var(--color-text-light);
}

.article-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.article-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  color: var(--color-secondary);
  background: var(--color-bg-light);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.tag:hover {
  color: var(--color-accent);
  background: rgba(0, 102, 255, 0.05);
}

.article-cover {
  margin-bottom: var(--spacing-xl);
  border-radius: 8px;
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  height: auto;
  display: block;
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.article-content p {
  margin-bottom: var(--spacing-md);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.article-content li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.8;
}

.article-content ul li {
  list-style: disc;
}

.article-content ol li {
  list-style: decimal;
}

.article-content pre {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  overflow-x: auto;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.article-content code {
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 0.9375rem;
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-secondary);
}

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

/* 文章目录 */
.article-toc ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.article-toc li a {
  display: block;
  padding: var(--spacing-xs) 0;
  font-size: 0.875rem;
  color: var(--color-secondary);
  transition: all var(--transition-fast);
  padding-left: var(--spacing-sm);
  border-left: 2px solid transparent;
}

.article-toc li a:hover {
  color: var(--color-primary);
  border-left-color: var(--color-accent);
}

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag-cloud .tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  color: var(--color-secondary);
  background: var(--color-bg-light);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.tag-cloud .tag:hover {
  color: var(--color-accent);
  background: rgba(0, 102, 255, 0.05);
}

.article-footer {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.article-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-name {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.author-bio {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.article-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* === 相关文章 === */
.related-articles {
  margin-bottom: var(--spacing-xxl);
}

.related-articles .section-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.related-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.related-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.related-thumb {
  height: 160px;
  overflow: hidden;
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.related-card:hover .related-thumb img {
  transform: scale(1.05);
}

.related-body {
  padding: var(--spacing-md);
}

.related-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

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

.related-meta {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* === 返回列表 === */
.back-to-list {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-accent);
}

/* === 响应式 - 文章详情 === */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .article-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .article-title {
    font-size: 2rem;
  }
  
  .article-content {
    font-size: 1rem;
  }
  
  .article-content h2 {
    font-size: 1.5rem;
  }
  
  .article-content h3 {
    font-size: 1.25rem;
  }
  
  .article-meta {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .article-actions {
    flex-direction: column;
  }
  
  .action-btn {
    justify-content: center;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* === 笔记详情页 === */
.page-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

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

.page-breadcrumb .separator {
  color: var(--color-border);
}

/* 两栏布局 */
.notes-detail-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.notes-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-xl));
}

.notes-main {
  min-width: 0;
  max-width: 100%;
}

/* 笔记列表 */
.notes-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.notes-list li {
  border-bottom: 1px solid var(--color-border);
}

.notes-list li:last-child {
  border-bottom: none;
}

.notes-list li a {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  color: var(--color-secondary);
  transition: all var(--transition-fast);
}

.notes-list li a:hover {
  color: var(--color-primary);
}

.notes-list li.active a {
  color: var(--color-accent);
}

.note-number {
  flex-shrink: 0;
  width: 28px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.notes-list li.active .note-number {
  color: var(--color-accent);
}

.notes-list .note-title {
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* 笔记文章 */
.note-article {
  margin-bottom: var(--spacing-xxl);
}

.note-header {
  margin-bottom: var(--spacing-xl);
}

.note-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.note-number-badge {
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-light);
  border-radius: 4px;
  font-weight: 500;
  color: var(--color-accent);
  line-height: 1.5;
}

.note-date,
.note-reading {
  line-height: 1.5;
}

.note-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.note-tags {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.note-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
}

.note-content h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.note-content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.note-content p {
  margin-bottom: var(--spacing-md);
}

.note-content ul,
.note-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.note-content li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.8;
}

.note-content ul li {
  list-style: disc;
}

.note-content ol li {
  list-style: decimal;
}

.note-content pre {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  overflow-x: auto;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.note-content code {
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 0.9375rem;
}

.note-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-secondary);
}

.note-content blockquote p {
  margin-bottom: 0;
}

/* 笔记导航 */
.note-footer {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.note-navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.nav-prev,
.nav-next {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.9375rem;
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.nav-prev:hover,
.nav-next:hover {
  color: var(--color-accent);
}

.nav-next {
  text-align: right;
}

/* Tab 切换 */
.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-md);
}

.sidebar-tab {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.sidebar-tab:hover {
  color: var(--color-secondary);
}

.sidebar-tab.active {
  color: var(--color-primary);
}

.sidebar-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
}

/* Tab 内容 */
.sidebar-tab-content {
  display: none;
}

.sidebar-tab-content.active {
  display: block;
}

/* 目录导航 */
.sidebar-toc-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-toc-nav li a {
  display: block;
  padding: var(--spacing-xs) 0;
  font-size: 0.8125rem;
  color: var(--color-secondary);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
  padding-left: var(--spacing-sm);
}

.sidebar-toc-nav li a:hover {
  color: var(--color-primary);
  border-left-color: var(--color-accent);
}

.sidebar-toc-nav li.toc-subitem a {
  padding-left: var(--spacing-lg);
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* 响应式 - 笔记详情 */
@media (max-width: 1200px) {
  .notes-detail-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 1024px) {
  .notes-detail-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .notes-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .note-title {
    font-size: 1.75rem;
  }
  
  .note-content {
    font-size: 1rem;
  }
  
  .note-content h2 {
    font-size: 1.375rem;
  }
  
  .note-content h3 {
    font-size: 1.125rem;
  }
  
  .note-navigation {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .nav-prev,
  .nav-next {
    justify-content: center;
  }
}

/* === 相册页面 === */

/* 筛选区 */
.album-filters {
  margin-bottom: var(--spacing-xxl);
  padding: var(--spacing-lg);
  background: var(--color-bg-light);
  border-radius: 8px;
}

.filter-section {
  margin-bottom: var(--spacing-lg);
}

.filter-section:last-child {
  margin-bottom: 0;
}

.filter-section-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.filter-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.filter-section-inline .filter-label {
  margin-bottom: 0;
  flex-shrink: 0;
}

/* 类别筛选 - 标签式 */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.filter-tab {
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* 标签筛选 - 可多选 */
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.filter-tag {
  padding: 0.375rem 0.875rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-tag.active {
  background: rgba(0, 102, 255, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* 排序下拉 */
.filter-select {
  padding: 0.5rem 2rem 0.5rem 1rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-secondary);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%23666666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* 相册网格 */
.albums-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
}

/* 相册卡片 */
.album-card {
  display: block;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.album-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

/* 相册封面 */
.album-cover {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.album-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.album-card:hover .album-cover img {
  transform: scale(1.05);
}

/* 封面悬停信息 */
.album-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.album-card:hover .album-overlay {
  opacity: 1;
}

.album-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  font-size: 0.875rem;
}

.album-count {
  font-weight: 500;
}

.album-date {
  opacity: 0.9;
}

/* 相册信息 */
.album-body {
  padding: var(--spacing-md);
}

.album-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

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

.album-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

/* 小标签 */
.album-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag-small {
  padding: 0.25rem 0.5rem;
  background: var(--color-bg-light);
  border-radius: 3px;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* 响应式 - 相册 */
@media (max-width: 1200px) {
  .albums-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .album-filters {
    padding: var(--spacing-md);
  }

  .filter-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .filter-tab {
    flex-shrink: 0;
  }

  .albums-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .album-cover {
    height: 240px;
  }
}

/* === 相册详情页 === */

/* 相册信息栏 */
.album-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.album-info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.album-info-item svg {
  flex-shrink: 0;
}

/* 相册标签栏 */
.album-tags-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

/* 照片网格 - 瀑布流布局 */
.photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xxl);
}

/* 照片项 */
.photo-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-bg-light);
}

.photo-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

/* 宽图 - 占两列 */
.photo-item-wide {
  grid-column: span 2;
}

.photo-item-wide img {
  height: 320px;
}

/* 高图 */
.photo-item-tall img {
  height: 400px;
}

/* 照片悬停效果 */
.photo-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.photo-item:hover .photo-overlay {
  opacity: 1;
}

.photo-item:hover img {
  transform: scale(1.05);
}

.photo-action {
  width: 48px;
  height: 48px;
  background: white;
  border: none;
  border-radius: 50%;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.photo-action:hover {
  background: var(--color-accent);
  color: white;
  transform: scale(1.1);
}

/* 返回相册列表 */
.back-to-albums {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-accent);
}

/* === Lightbox 灯箱 === */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10;
}

.lightbox-prev {
  left: var(--spacing-lg);
}

.lightbox-next {
  right: var(--spacing-lg);
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-counter {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 0.875rem;
  opacity: 0.8;
}

/* 响应式 - 相册详情 */
@media (max-width: 1200px) {
  .photos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .photo-item-wide {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .album-info {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }
  
  .photos-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .photo-item-wide,
  .photo-item-tall {
    grid-column: span 1;
  }
  
  .photo-item img,
  .photo-item-wide img,
  .photo-item-tall img {
    height: 280px;
  }
  
  .lightbox-prev,
  .lightbox-next {
    width: 44px;
    height: 44px;
  }
  
  .lightbox-prev {
    left: var(--spacing-sm);
  }
  
  .lightbox-next {
    right: var(--spacing-sm);
  }
}

/* === 日程页面 === */

/* 日程布局 */
.schedule-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

/* 左侧日历 */
.schedule-calendar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-xl));
}

/* 日历组件 */
.calendar-widget {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

/* 日历头部 */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.calendar-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

.calendar-nav {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.calendar-nav:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* 星期表头 */
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.calendar-weekdays span {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.calendar-weekdays .weekend {
  color: var(--color-accent);
}

/* 日历网格 */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-day {
  aspect-ratio: 1;
  background: transparent;
  border: none;
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-primary);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.calendar-day:hover {
  background: var(--color-bg-light);
}

.calendar-day.other-month {
  color: var(--color-text-light);
  opacity: 0.4;
}

.calendar-day.weekend {
  color: var(--color-accent);
}

.calendar-day.today {
  background: var(--color-accent);
  color: white;
  font-weight: 600;
}

.calendar-day.has-event::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
}

.calendar-day.today.has-event::after {
  background: white;
}

/* 今日按钮 */
.calendar-today-btn {
  width: 100%;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calendar-today-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* 统计信息 */
.schedule-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* 右侧日程列表 */
.schedule-main {
  min-width: 0;
}

/* 日期标题 */
.schedule-date-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 42px;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.schedule-date-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.schedule-date-day {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.schedule-date-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.schedule-date-week {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.schedule-date-full {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* 添加日程按钮 */
.add-schedule-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.625rem 1.25rem;
  background: var(--color-accent);
  border: none;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.add-schedule-btn:hover {
  background: #0052cc;
  transform: translateY(-1px);
}

/* 日程时间轴 */
.schedule-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* 日程项 */
.schedule-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.schedule-time {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding-top: var(--spacing-sm);
}

.time-start {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.time-end {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* 日程卡片 */
.schedule-content {
  position: relative;
}

.schedule-content::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 12px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--color-accent);
}

.schedule-card {
  background: white;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 8px;
  padding: var(--spacing-md);
  transition: all var(--transition-normal);
}

.schedule-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateX(4px);
}

/* 日程类型标签 */
.schedule-type {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.schedule-type.work {
  background: rgba(0, 102, 255, 0.1);
  color: #0066FF;
}

.schedule-type.personal {
  background: rgba(52, 199, 89, 0.1);
  color: #34C759;
}

.schedule-type.study {
  background: rgba(255, 149, 0, 0.1);
  color: #FF9500;
}

.schedule-type.meeting {
  background: rgba(175, 82, 222, 0.1);
  color: #AF52DE;
}

.schedule-type.life {
  background: rgba(255, 59, 48, 0.1);
  color: #FF3B30;
}

/* 日程标题 */
.schedule-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.schedule-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

/* 日程元信息 */
.schedule-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.schedule-location,
.schedule-attendees {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 日程类型颜色 */
.schedule-item-work .schedule-content::before,
.schedule-item-work .schedule-card {
  border-left-color: #0066FF;
}

.schedule-item-personal .schedule-content::before,
.schedule-item-personal .schedule-card {
  border-left-color: #34C759;
}

.schedule-item-study .schedule-content::before,
.schedule-item-study .schedule-card {
  border-left-color: #FF9500;
}

.schedule-item-meeting .schedule-content::before,
.schedule-item-meeting .schedule-card {
  border-left-color: #AF52DE;
}

.schedule-item-life .schedule-content::before,
.schedule-item-life .schedule-card {
  border-left-color: #FF3B30;
}

/* 空状态 */
.schedule-empty {
  text-align: center;
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.empty-icon {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
  opacity: 0.5;
}

.empty-text {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

/* 响应式 - 日程 */
@media (max-width: 1200px) {
  .schedule-layout {
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .schedule-layout {
    grid-template-columns: 1fr;
  }
  
  .schedule-calendar {
    position: static;
  }
  
  .schedule-date-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .schedule-item {
    grid-template-columns: 60px 1fr;
    gap: var(--spacing-md);
  }
  
  .schedule-content::before {
    left: -20px;
  }
}

/* === 日志页面 === */

/* 日志布局 */
.journal-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

/* 左侧日历 */
.journal-calendar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-xl));
}

/* 日历中有日志的日期 */
.calendar-day.has-journal {
  font-weight: 600;
  position: relative;
}

.calendar-day.has-journal::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.calendar-day.today.has-journal::after {
  background: white;
}

/* 统计信息 */
.journal-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

/* 心情统计 */
.mood-stats {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.mood-stats-title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.mood-chart {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.mood-bar {
  height: 8px;
  background: var(--color-bg-light);
  border-radius: 4px;
  overflow: hidden;
}

.mood-fill {
  height: 100%;
  border-radius: 4px;
  transition: width var(--transition-normal);
}

.mood-fill.mood-happy {
  background: linear-gradient(90deg, #FFD700, #FFA500);
}

.mood-fill.mood-calm {
  background: linear-gradient(90deg, #87CEEB, #4682B4);
}

.mood-fill.mood-sad {
  background: linear-gradient(90deg, #B0C4DE, #778899);
}

.mood-fill.mood-energetic {
  background: linear-gradient(90deg, #98FB98, #32CD32);
}

.mood-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.mood-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.mood-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.mood-dot.mood-happy {
  background: #FFA500;
}

.mood-dot.mood-calm {
  background: #4682B4;
}

.mood-dot.mood-sad {
  background: #778899;
}

.mood-dot.mood-energetic {
  background: #32CD32;
}

/* 右侧日记内容 */
.journal-main {
  min-width: 0;
}

/* 日记头部 */
.journal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.journal-date-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.journal-date-day {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.journal-date-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.journal-date-week {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.journal-date-full {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* 日记元信息 */
.journal-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.journal-weather,
.journal-mood,
.journal-words {
  display: flex;
  align-items: center;
  gap: 4px;
}

.journal-mood {
  padding: 0.25rem 0.75rem;
  background: rgba(255, 165, 0, 0.1);
  border-radius: 12px;
  color: #FFA500;
}

.journal-mood.mood-calm {
  background: rgba(70, 130, 180, 0.1);
  color: #4682B4;
}

.journal-mood.mood-sad {
  background: rgba(119, 136, 153, 0.1);
  color: #778899;
}

.journal-mood.mood-energetic {
  background: rgba(50, 205, 50, 0.1);
  color: #32CD32;
}

/* 日记内容 */
.journal-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
}

.journal-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.4;
}

.journal-content p {
  margin-bottom: var(--spacing-md);
}

.journal-content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.journal-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.journal-content li {
  margin-bottom: var(--spacing-xs);
}

/* 日记引用 */
.journal-quote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  background: var(--color-bg-light);
  border-left: 3px solid var(--color-accent);
  border-radius: 4px;
}

.journal-quote p {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-secondary);
  margin: 0;
}

/* 日记高亮 */
.journal-highlight {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(0, 102, 255, 0.08);
  border-radius: 4px;
  font-style: italic;
}

/* 日记标签 */
.journal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

/* 日记导航 */
.journal-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.journal-nav-prev,
.journal-nav-next {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-secondary);
  transition: all var(--transition-normal);
}

.journal-nav-prev:hover,
.journal-nav-next:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.journal-nav-next {
  justify-content: flex-end;
  text-align: right;
}

.journal-nav-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.journal-nav-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.journal-nav-title {
  font-size: 0.875rem;
  font-weight: 500;
}

/* 响应式 - 日志 */
@media (max-width: 1200px) {
  .journal-layout {
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .journal-layout {
    grid-template-columns: 1fr;
  }
  
  .journal-calendar {
    position: static;
  }
  
  .journal-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .journal-meta {
    flex-wrap: wrap;
  }
  
  .journal-navigation {
    grid-template-columns: 1fr;
  }
  
  .journal-nav-next {
    justify-content: flex-start;
    text-align: left;
  }
}

/* === 关于页面 === */

/* 个人介绍区 */
.about-hero {
  text-align: center;
  padding: var(--spacing-xxl) 0;
  margin-bottom: var(--spacing-xxl);
  border-bottom: 1px solid var(--color-border);
}

.about-avatar {
  width: 160px;
  height: 160px;
  margin: 0 auto var(--spacing-lg);
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid white;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.about-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-name {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.about-title {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.about-bio {
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-secondary);
}

/* 社交链接 */
.about-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-secondary);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 102, 255, 0.2);
}

/* 区块 */
.about-section {
  margin-bottom: var(--spacing-xxl);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.about-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
}

.about-content p {
  margin-bottom: var(--spacing-md);
}

/* 技能网格 */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.skill-category {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.skill-category-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.skill-tag {
  padding: 0.375rem 0.75rem;
  background: var(--color-bg-light);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-secondary);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background: rgba(0, 102, 255, 0.1);
  color: var(--color-accent);
}

/* 时间轴 */
.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: calc(-1 * var(--spacing-xl) + 4px);
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-content {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xs);
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
}

.timeline-company {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 500;
}

.timeline-date {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.timeline-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  margin: 0;
}

/* 联系方式网格 */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.contact-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.contact-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border-radius: 8px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info {
  flex: 1;
}

.contact-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  margin: 0;
}

/* 联系表单 */
.contact-form {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-xl);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.9375rem;
  color: var(--color-primary);
  font-family: inherit;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: white;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.875rem 2rem;
  background: var(--color-accent);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 500;
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.submit-btn:hover {
  background: #0052cc;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

/* 响应式 - 关于 */
@media (max-width: 1200px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .about-name {
    font-size: 2rem;
  }
  
  .about-avatar {
    width: 120px;
    height: 120px;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .timeline {
    padding-left: var(--spacing-lg);
  }
  
  .timeline-marker {
    left: calc(-1 * var(--spacing-lg) + 4px);
  }
  
  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}

/* === 联系页面 === */

/* 联系布局 */
.contact-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

/* 左侧边栏 */
.contact-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-xl));
}

.contact-section-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

/* 联系方式卡片 */
.contact-info-section {
  margin-bottom: var(--spacing-xl);
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.contact-info-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateX(4px);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border-radius: 8px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.contact-info-content p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.contact-info-note {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* 社交媒体 */
.contact-social-section {
  margin-bottom: var(--spacing-xl);
}

.contact-social-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.contact-social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-secondary);
  transition: all var(--transition-normal);
}

.contact-social-card:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact-social-card span {
  font-size: 0.8125rem;
  font-weight: 500;
}

/* 工作时间 */
.contact-hours-section {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.contact-hours {
  margin-bottom: var(--spacing-sm);
}

.contact-hours-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-hours-item:last-child {
  border-bottom: none;
}

.hours-day {
  font-size: 0.875rem;
  color: var(--color-secondary);
}

.hours-time {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
}

.contact-hours-note {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* 右侧主内容 */
.contact-main {
  min-width: 0;
}

.contact-form-wrapper {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.contact-form-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-form-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

/* 表单样式 */
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.9375rem;
  color: var(--color-primary);
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%23666666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  transition: all var(--transition-fast);
}

.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: white;
}

.required {
  color: #FF3B30;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-checkbox label {
  font-size: 0.875rem;
  color: var(--color-secondary);
  cursor: pointer;
}

.form-checkbox a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* FAQ */
.contact-faq {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-xl);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: transparent;
  border: none;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-primary);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  background: var(--color-bg-light);
}

.faq-question svg {
  flex-shrink: 0;
  color: var(--color-text-light);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text);
  margin: 0;
}

/* 关于页面链接卡片 */
.about-links {
  margin-top: var(--spacing-lg);
}

.about-link-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.about-link-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateX(4px);
}

.about-link-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border-radius: 8px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.about-link-content {
  flex: 1;
}

.about-link-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.about-link-content p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin: 0;
}

.about-link-card > svg {
  color: var(--color-text-light);
  flex-shrink: 0;
}

/* 响应式 - 联系 */
@media (max-width: 1200px) {
  .contact-layout {
    grid-template-columns: 320px 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
  
  .contact-sidebar {
    position: static;
  }
  
  .contact-social-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .contact-social-card {
    padding: var(--spacing-sm);
  }
  
  .contact-social-card span {
    font-size: 0.75rem;
  }
}



/* 关于页面社交链接二维码效果 */
.social-link-wrapper {
  position: relative;
  display: inline-block;
}

.social-link-wrapper .social-link {
  cursor: pointer;
}

.social-qrcode {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: white;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
  min-width: 180px;
  margin-bottom: 12px;
}

.social-qrcode::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: white;
}

.social-qrcode img {
  width: 150px;
  height: 150px;
  display: block;
  margin: 0 auto 8px;
  border-radius: 8px;
  object-fit: cover;
}

.social-qrcode p {
  font-size: 13px;
  color: #666;
  text-align: center;
  margin: 0;
}

.social-link-wrapper:hover .social-qrcode {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}


/* 页脚社交链接二维码效果 */
.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-social-wrapper {
  position: relative;
}

.footer-social-link {
  color: #666;
  font-size: 14px;
  cursor: pointer;
  transition: color 0.3s;
  text-decoration: none;
}

.footer-social-link:hover {
  color: #000;
}

.footer-social-qrcode {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: white;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
  min-width: 180px;
  margin-bottom: 12px;
}

.footer-social-qrcode::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: white;
}

.footer-social-qrcode img {
  width: 150px;
  height: 150px;
  display: block;
  margin: 0 auto 8px;
  border-radius: 8px;
  object-fit: cover;
}

.footer-social-qrcode p {
  font-size: 13px;
  color: #666;
  text-align: center;
  margin: 0;
}

.footer-social-wrapper:hover .footer-social-qrcode {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}