/* 博客前台样式 - 掘金风格 */

/* ==================== CSS 变量 ==================== */
:root {
  /* 主题色 - 掘金蓝 */
  --primary-color: #1e80ff;
  --primary-light: #4098ff;
  --primary-dark: #0064e0;
  --primary-gradient: linear-gradient(90deg, #1e80ff 0%, #0064e0 100%);

  /* 中性色 */
  --bg-primary: #f4f5f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f9f9f9;
  --bg-hover: #f4f5f7;
  --border-color: #e4e6e9;
  --border-light: #f0f0f0;

  /* 文字色 */
  --text-primary: #252933;
  --text-secondary: #515767;
  --text-tertiary: #8f959e;
  --text-placeholder: #c9cdd4;

  /* 功能色 */
  --success-color: #00b365;
  --warning-color: #ff7d00;
  --error-color: #f53f3f;
  --info-color: #1e80ff;

  /* 尺寸 */
  --header-height: 60px;
  --sidebar-width: 280px;
  --container-max: 1200px;
  --content-max: 800px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.12);

  /* 过渡 */
  --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'Fira Code', Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==================== 工具类 ==================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 32px;
  }
}

/* ==================== 头部导航 ==================== */
.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-title {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-main {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
  text-transform: lowercase;
  margin-top: 2px;
}

/* 导航菜单 */
.site-nav {
  display: flex;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  position: relative;
  text-decoration: none !important;
  
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background-color: rgba(30, 128, 255, 0.08);
}

/* 头部右侧 */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-button {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.search-button:hover {
  background: var(--bg-hover);
}

.search-button:hover .search-icon {
  color: var(--primary-color);
}

.search-icon {
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
  transition: var(--transition-base);
}

/* 展开式搜索框 */
.search-input-container {
  position: relative;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateX(20px);
  transition: all var(--transition-base);
}

.search-input-container.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.search-form-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 6px 12px;
  box-shadow: var(--shadow-md);
}

.search-input-inline {
  width: 200px;
  border: none;
  outline: none;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: transparent;
}

.search-input-inline::placeholder {
  color: var(--text-placeholder);
}

.search-input-inline:focus {
  outline: none;
}

.search-submit-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: var(--primary-color);
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.search-submit-inline:hover {
  background: var(--primary-dark);
}

.search-submit-inline svg {
  color: #fff;
}

.search-close-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: var(--bg-tertiary);
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.search-close-inline:hover {
  background: var(--border-color);
}

.search-close-inline svg {
  color: var(--text-secondary);
}

/* 社交链接 */
.social-links {
  display: flex;
  gap: 8px;
}

.social-link {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.social-link:hover {
  background: var(--primary-color);
  color: #fff;
}

/* 汉堡菜单 */
.hamburger-menu {
  display: none;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.hamburger-menu:hover {
  background: var(--bg-hover);
}

.hamburger-menu .hamburger-line {
  width: 18px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

/* 移动端菜单展开状态 */
.hamburger-menu.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* 移动端导航 */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
  box-shadow: var(--shadow-md);
  z-index: 999;
}

.mobile-nav.show {
  display: block;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-nav .nav-list {
  flex-direction: column;
  gap: 4px;
}

.mobile-nav .nav-link {
  padding: 12px 16px;
  font-size: 0.95rem;
}

/* ==================== 主要内容区 ==================== */
.main {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  min-height: calc(100vh - var(--header-height) - 200px);
}

.main .container {
  display: flex;
  gap: 24px;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 16px;
}

.content {
  flex: 1;
  min-width: 0;
  max-width: calc(var(--container-max) - var(--sidebar-width) - 24px);
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
}

/* ==================== 文章列表 ==================== */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.post-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  position: relative;
}

.post-card:hover {
  border-color: var(--text-tertiary);
  box-shadow: 0 2px 12px rgba(30, 128, 255, 0.08);
}

.post-card-main {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.post-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
  margin: 0;
}

.post-card-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-base);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-title a:hover {
  color: var(--primary-color);
}

.post-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.post-card-meta-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.post-card-meta-left > span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.post-card-meta-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.post-card-meta svg {
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

.post-card-summary {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

.post-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
}

.post-card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 0;
  background: transparent;
  border-radius: 0;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-tertiary);
  transition: var(--transition-base);
  border: none;
  gap: 3px;
}

.tag-item:hover {
  color: var(--primary-color);
  background: transparent;
  transform: none;
  box-shadow: none;
}

.tag-item svg {
  flex-shrink: 0;
}

.read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary-color);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 8px 16px;
  background: rgba(30, 128, 255, 0.08);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
  text-decoration: none;
}

.read-more-btn:hover {
  background: var(--primary-color);
  color: #fff;
  gap: 6px;
}

.read-more-btn svg {
  width: 16px;
  height: 16px;
  transition: var(--transition-base);
}

/* ==================== 分页 ==================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding: 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.page-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  background: var(--bg-secondary);
  text-decoration: none;
  transition: var(--transition-base);
}

.page-btn:hover:not(.disabled) {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: rgba(30, 128, 255, 0.04);
}

.page-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.page-btn svg {
  width: 16px;
  height: 16px;
}

.page-numbers {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  background: var(--bg-secondary);
  text-decoration: none;
  transition: var(--transition-base);
}

.page-number:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: rgba(30, 128, 255, 0.04);
}

.page-number.current {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.page-ellipsis {
  color: var(--text-tertiary);
  padding: 0 4px;
}

/* ==================== 侧边栏 ==================== */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (max-width: 1024px) {
  .main .container {
    padding: 0 16px;
  }
}

.widget {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.widget:hover {
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.widget-header {
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.widget-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget-title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: var(--primary-color);
  border-radius: var(--radius-sm);
}

.widget-content {
  padding: 0;
}

.widget-list {
  list-style: none;
}

.widget-list-item {
  padding: 5px 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.widget-list-item:last-child {
  border-bottom: none;
}

.widget-list-item:hover {
  padding-left: 4px;
}

.widget-link {
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none !important;
  transition: var(--transition-base);
  font-size: 0.9rem;
}

.widget-link:hover {
  color: var(--primary-color);
}

.widget-link .category-name {
  flex: 1;
}

.category-count {
  color: var(--text-tertiary);
  font-size: 0.75rem;
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 500;
}

/* 最新文章列表 */
.widget-list-recent .widget-list-item {
  padding: 10px 0;
}

.widget-list-recent .widget-link {
  font-size: 0.9rem;
  line-height: 1.5;
  display: block;
  text-decoration: none !important;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.widget-list-recent .widget-link:hover {
  color: var(--primary-color);
}

/* 作者卡片 */
.widget-about {
  background: var(--bg-secondary);
  border: none;
  position: relative;
  overflow: hidden;
}

.widget-about .widget-header {
  border-bottom-color: var(--border-color);
}

.widget-about .widget-title {
  color: var(--text-primary);
}

.widget-about .widget-title::before {
  background: var(--text-primary);
}

.widget-about .about-text,
.widget-about .stat-label {
  color: var(--text-secondary);
}

.about-avatar {
  text-align: center;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.about-avatar img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.about-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.about-text {
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 16px;
}

.author-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

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

.stat-num {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: 0.7rem;
  margin-top: 4px;
  opacity: 0.9;
}

/* 归档列表 */
.archive-list li {
  padding: 12px 0;
}

.archive-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-base);
}

.archive-link:hover {
  color: var(--primary-color);
}

.archive-month {
  flex: 1;
}

.archive-count {
  color: var(--text-tertiary);
  font-size: 0.8rem;
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* ==================== 文章详情页 ==================== */
.post {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.post-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--border-light);
}

.post-header .post-title {
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

.post-header .post-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: 16px;
}

.meta-left {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meta-left > span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.meta-left .icon {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.post-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid var(--border-light);
  margin-top: 30px;
}

.post-tags .tag {
  color: var(--text-secondary);
  padding: 6px 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-base);
}

.post-tags .tag:hover {
  background: var(--primary-color);
  color: #fff;
  transform: translateY(-2px);
}

/* 文章分享 */
.post-share {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--border-light);
  margin-top: 20px;
}

.post-share span {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-base);
  border: 1px solid var(--border-light);
}

.share-btn:hover {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 评论区 */
.comments-section {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  margin-top: 40px;
}

.comments-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-light);
  position: relative;
}

.comments-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--primary-gradient);
}

.comment-form {
  margin-bottom: 32px;
}

.comment-form textarea {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  resize: vertical;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: var(--transition-base);
  min-height: 100px;
}

.comment-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.comment-form .submit-btn {
  margin-top: 12px;
  padding: 12px 28px;
  background: var(--primary-gradient);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
}

.comment-form .submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.comment-item {
  display: flex;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.comment-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.comment-avatar {
  flex-shrink: 0;
}

.comment-avatar img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--border-light);
}

.comment-content {
  flex: 1;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.comment-author {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.comment-date {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.comment-text {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

.post-content-container {
  margin-bottom: 40px;
}

/* 文章封面图 */
.post-cover {
  margin: 30px 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.post-cover img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.post-cover:hover img {
  transform: scale(1.02);
}

.post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.post-content p {
  margin-bottom: 1.5rem;
  text-align: justify;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.post-content h1 {
  font-size: 1.8rem;
}

.post-content h2 {
  font-size: 1.5rem;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-light);
  position: relative;
}

.post-content h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--primary-gradient);
}

.post-content h3 {
  font-size: 1.25rem;
}

.post-content a {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition-base);
}

.post-content a:hover {
  color: var(--primary-dark);
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

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

.post-content code {
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: #e91e63;
}

.post-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.5rem 0;
  line-height: 1.6;
  box-shadow: var(--shadow-md);
}

.post-content pre code,
.post-content .code-block {
  background: #1e293b;
  color: #e2e8f0;
  padding: 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.5rem 0;
  line-height: 1.6;
  box-shadow: var(--shadow-md);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.post-content .code-block code {
  background: none;
  padding: 0;
  color: inherit;
}

.post-content blockquote {
  margin: 1.5rem 0;
  padding: 20px 24px;
  background: var(--bg-tertiary);
  border-left: 4px solid var(--primary-color);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-style: italic;
}

.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2rem auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.9rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.post-content th,
.post-content td {
  padding: 7px 10px;
  border: 1px solid var(--border-color);
  text-align: left;
  font-size: 0.75rem;
}

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

.post-content tr:nth-child(even) {
  background: var(--bg-tertiary);
}

/* 文章导航 */
.post-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 32px 0;
  border-top: 2px solid var(--border-light);
}

.post-nav .prev,
.post-nav .next {
  flex: 1;
  max-width: 45%;
}

.post-nav .next {
  text-align: right;
  margin-left: auto;
}

.nav-label {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-title {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition-base);
}

.nav-title:hover {
  color: var(--primary-color);
}

.nav-home {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-color);
  font-weight: 600;
}

/* ==================== 归档页 ==================== */
.archive {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.archive-title {
  font-size: 1.6rem;
  margin-bottom: 28px;
  color: var(--text-primary);
  font-weight: 600;
}

.archive-list-main {
  display: flex;
  flex-direction: column;
}

.archive-item {
  display: flex;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  transition: var(--transition-base);
}

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

.archive-item:hover {
  padding-left: 12px;
}

.archive-item.is-top {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.08) 0%, transparent 100%);
  margin: 0 -32px;
  padding-left: 32px;
  padding-right: 32px;
}

.archive-video-tag,
.archive-top-tag {
  position: absolute;
  left: 0;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 12px;
}

.archive-video-tag {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
}

.archive-top-tag {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.archive-link {
  flex: 1;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  margin-left: 70px;
  transition: var(--transition-base);
}

.archive-link:hover {
  color: var(--primary-color);
}

.archive-date {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ==================== 页脚 ==================== */
.site-footer {
  background: var(--bg-secondary);
  padding: 32px 0;
  text-align: center;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-color);
  margin-top: 48px;
}

.footer-text {
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 16px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-base);
  text-decoration: none;
}

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

/* ==================== 状态样式 ==================== */
.loading,
.error,
.empty-state,
.no-posts {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.empty-state svg,
.no-posts svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p,
.no-posts p {
  font-size: 0.95rem;
}

.loading {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.error {
  color: var(--error-color);
}

/* ==================== 响应式设计 ==================== */

/* 平板端 (max-width: 1024px) */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 240px;
  }

  .main {
    gap: 16px;
  }

  .main .container {
    gap: 16px;
  }

  .content {
    max-width: calc(var(--container-max) - var(--sidebar-width) - 16px);
  }
}

/* 移动端 (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
    --sidebar-width: 100%;
  }

  .container {
    padding: 0 12px;
  }

  /* 头部 */
  .header-left {
    gap: 12px;
  }

  .logo-main {
    font-size: 1.2rem;
  }

  .logo-sub {
    font-size: 0.6rem;
  }

  .site-nav {
    display: none;
  }

  .hamburger-menu {
    display: flex;
  }

  .header-right {
    gap: 6px;
  }

  .search-button,
  .social-link {
    width: 34px;
    height: 34px;
  }

  .social-links {
    gap: 6px;
  }

  /* 留言表单移动端改为上下布局 */
  .form-row {
    flex-direction: column;
    gap: 0;
  }

  /* 展开式搜索框 - 移动端适配 */
  .search-input-container {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    width: 100%;
    max-width: 300px;
  }

  .search-form-inline {
    width: 100%;
  }

  .search-input-inline {
    width: 100%;
    min-width: 150px;
  }

  /* 主内容区 - 移动端改为上下布局 */
  .main {
    padding: 16px 0;
    gap: 16px;
  }

  .main .container {
    flex-direction: column;
    padding: 0;
    gap: 16px;
  }

  .content {
    max-width: 100%;
    width: 100%;
  }

  .sidebar {
    width: 100%;
    order: 2;
  }

  /* 文章卡片 */
  .post-card {
    padding: 16px;
    border-radius: var(--radius-sm);
  }

  .post-card-title {
    font-size: 1rem;
  }

  .post-card-meta {
    gap: 12px;
    flex-wrap: wrap;
  }

  .post-card-meta-left {
    gap: 12px;
  }

  /* 手机端隐藏标签 */
  .post-card-meta-right {
    display: none;
  }

  .post-card-summary {
    -webkit-line-clamp: 2;
    font-size: 0.9rem;
  }

  .post-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .read-more-btn {
    width: 100%;
    justify-content: center;
    padding: 10px 16px;
  }

  /* 分页 */
  .pagination {
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
  }

  .page-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
  }

  .page-btn svg {
    width: 14px;
    height: 14px;
  }

  .page-number {
    min-width: 32px;
    height: 32px;
    font-size: 0.85rem;
  }

  /* 侧边栏组件 */
  .widget {
    padding: 16px;
  }

  .widget-title {
    font-size: 0.9rem;
  }

  /* 作者卡片移动端 */
  .about-avatar img {
    width: 70px;
    height: 70px;
  }

  .author-stats {
    gap: 16px;
  }

  .stat-num {
    font-size: 1.1rem;
  }

  /* 归档 */
  .archive-link {
    font-size: 0.9rem;
  }

  .archive-title {
    font-size: 1.2rem;
  }

  /* 页脚 */
  .site-footer {
    padding: 24px 0;
    margin-top: 32px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 12px;
  }

  .footer-text {
    font-size: 0.8rem;
  }
}

/* 小屏幕手机 (max-width: 480px) */
@media (max-width: 480px) {
  .post-card {
    padding: 14px;
  }

  .post-card-title a {
    -webkit-line-clamp: 3;
  }

  .post-card-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .post-card-meta-left {
    flex-wrap: wrap;
    gap: 8px;
  }

  .post-card-meta-left > span {
    gap: 4px;
  }

  /* 手机端隐藏标签 */
  .post-card-meta-right {
    display: none;
  }

  .tag-item {
    padding: 3px 10px;
    font-size: 0.7rem;
  }

  .widget {
    padding: 14px;
  }

  .author-stats {
    gap: 12px;
  }

  .stat-num {
    font-size: 1rem;
  }

  .stat-label {
    font-size: 0.65rem;
  }

  .pagination {
    padding: 12px;
  }

  .page-numbers {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: 8px;
  }
}

/* ==================== 动画 ==================== */
.fade-in {
  animation: fadeIn 0.5s ease;
}

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

.slide-up {
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 滚动条美化 ==================== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

::-webkit-scrollbar-thumb:active {
  background: var(--primary-color);
}

/* =================================================================
   模板特定样式 - 代码高亮、评论区、归档页
   ================================================================= */

/* 代码高亮语法颜色 (GitHub 风格) */
.post-content .codehilite .k,
.post-content .codehilite .kd,
.post-content .codehilite .kn,
.post-content .codehilite .kp,
.post-content .codehilite .kr,
.post-content .codehilite .kt,
.post-content .codehilite .keyword {
  color: #cf222e;
  font-weight: 600;
}

.post-content .codehilite .nf,
.post-content .codehilite .nc,
.post-content .codehilite .na,
.post-content .codehilite .nb,
.post-content .codehilite .bp {
  color: #8250df;
}

.post-content .codehilite .s,
.post-content .codehilite .s1,
.post-content .codehilite .s2,
.post-content .codehilite .se,
.post-content .codehilite .sh,
.post-content .codehilite .si,
.post-content .codehilite .sx,
.post-content .codehilite .sr,
.post-content .codehilite .string {
  color: #0a3069;
}

.post-content .codehilite .c,
.post-content .codehilite .c1,
.post-content .codehilite .ch,
.post-content .codehilite .cm,
.post-content .codehilite .cpf,
.post-content .codehilite .cs,
.post-content .codehilite .sd,
.post-content .codehilite .comment {
  color: #6e7781;
  font-style: italic;
}

.post-content .codehilite .o,
.post-content .codehilite .ow {
  color: #0550ae;
  font-weight: 600;
}

.post-content .codehilite .m,
.post-content .codehilite .mf,
.post-content .codehilite .mh,
.post-content .codehilite .mi,
.post-content .codehilite .mo,
.post-content .codehilite .il,
.post-content .codehilite .number {
  color: #0550ae;
}

.post-content .codehilite .n,
.post-content .codehilite .py,
.post-content .codehilite .nx,
.post-content .codehilite .nt,
.post-content .codehilite .vg,
.post-content .codehilite .nv {
  color: #24292f;
}

.post-content .codehilite .gi {
  color: #116329;
  background-color: #dafbe1;
}

.post-content .codehilite .gd {
  color: #82071e;
  background-color: #ffebe9;
}

.post-content .codehilite .ge {
  color: #24292f;
  font-style: italic;
}

.post-content .codehilite .gr {
  color: #82071e;
}

/* 评论区样式 */
.comment-form-wrapper {
  margin-bottom: 2rem;
}

.form-tip {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

.form-group .required {
  color: #e74c3c;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-primary);
  color: var(--text-primary);
  box-sizing: border-box;
}

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

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

.form-actions {
  margin-top: 1rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.message {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
}

.message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* 留言项 */
.comment-item-myself {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  transition: box-shadow 0.2s;
}

.comment-item-myself:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.comment-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  width: 100%;
  border-bottom: 1px solid var(--border-color);
}

.comment-author {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.comment-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.comment-content {
  display: block !important;
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 0.95rem;
  margin-top: 0.75rem;
  width: 100%;
}

.comment-content * {
  display: block !important;
  margin: 0.5rem 0;
}

.comment-content br {
  display: block !important;
  content: "";
  margin: 0.5rem 0;
}

.reply-row {
  display: block !important;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-color);
  width: 100%;
}

.reply-author {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.reply-content {
  display: block !important;
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 0.95rem;
  background: var(--bg-primary);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  word-wrap: break-word;
  white-space: normal;
  width: 100%;
  box-sizing: border-box;
}

.reply-content * {
  display: block !important;
  margin: 0.5rem 0;
}

.reply-content br {
  display: block !important;
  content: "";
  margin: 0.5rem 0;
}

.no-comments {
  color: var(--text-secondary);
  font-style: italic;
}

/* 评论内 Markdown 样式 */
.comment-content code,
.reply-content code {
  background-color: rgba(234, 238, 242, 0.5);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 85%;
  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
  color: #24292f;
  border: 1px solid rgba(208, 215, 222, 0.3);
}

.comment-content pre,
.reply-content pre {
  background-color: #f6f8fa;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  padding: 12px;
  overflow: auto;
  margin: 0.75rem 0;
  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
  font-size: 12px;
  line-height: 1.5;
}

.comment-content pre code,
.reply-content pre code {
  background-color: transparent;
  padding: 0;
  border: none;
}

/* ==================== 归档列表页 ==================== */
/* 归档页头部 */
.archive-header {
    text-align: center;
    padding: 48px 0 32px;
    margin-bottom: 24px;
}

.archive-main-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.title-icon {
    font-size: 2rem;
}

.post-count {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.archive-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 归档区块 */
.archive-section {
    margin-bottom: 40px;
}

.year-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.year-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.year-count {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

/* 文章卡片 */
.article-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.article-card {
    position: relative;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    overflow: hidden;
}

.article-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.card-main {
    padding: 20px 24px;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.card-date {
    display: flex;
    align-items: center;
}

.date-month {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.card-category {
    font-size: 0.75rem;
    color: var(--primary-color);
    background: rgba(30, 128, 255, 0.08);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.card-title {
    margin: 0 0 10px;
    font-size: 1.1rem;
    font-weight: 600;
}

.title-link {
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-base);
}

.title-link:hover {
    color: var(--primary-color);
}

.link-icon {
    opacity: 0;
    transform: translateX(-4px);
    transition: var(--transition-base);
    color: var(--primary-color);
}

.article-card:hover .link-icon {
    opacity: 1;
    transform: translateX(0);
}

.card-summary {
    margin: 0 0 14px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.card-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.tag:hover {
    background: var(--primary-color);
    color: #fff;
}

.tag-default {
    color: var(--text-tertiary);
}

.read-more {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
    opacity: 0;
    transform: translateX(-8px);
    transition: var(--transition-base);
}

.article-card:hover .read-more {
    opacity: 1;
    transform: translateX(0);
}

.arrow-icon {
    transition: var(--transition-base);
}

.article-card:hover .arrow-icon {
    transform: translateX(4px);
}

.card-border {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color), var(--primary-light));
    opacity: 0;
    transition: var(--transition-base);
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.6;
}

.empty-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin: 0 0 8px;
    font-weight: 600;
}

.empty-text {
    color: var(--text-tertiary);
    margin: 0;
    font-size: 0.95rem;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .archive-header {
        padding: 32px 0 24px;
    }

    .archive-main-title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 8px;
    }

    .year-title {
        font-size: 1.2rem;
    }

    .card-main {
        padding: 16px 20px;
    }

    .card-title {
        font-size: 1rem;
    }

    .card-footer {
        flex-wrap: wrap;
        gap: 10px;
    }

    .read-more {
        opacity: 1;
        transform: none;
    }

    .article-card:hover {
        transform: none;
    }

    .card-border {
        display: none;
    }
}

/* ==================== 文章目录导航 Widget ==================== */
.widget-toc {
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.widget-toc .widget-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-toc .widget-title {
    display: flex;
    align-items: center;
    gap: 6px;
}

.toc-icon {
    flex-shrink: 0;
}

.toc-nav {
    padding: 4px 0;
}

.toc-empty {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    text-align: center;
    padding: 20px 0;
}

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

.toc-item {
    padding: 6px 8px;
    margin: 2px 0;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    cursor: pointer;
}

.toc-item:hover {
    background: var(--bg-hover);
}

.toc-item.active {
    background: var(--bg-hover);
}

.toc-item.active .toc-link {
    color: var(--primary-color);
    font-weight: 500;
}

/* 标题级别缩进 */
.toc-level-2 { padding-left: 8px !important; }
.toc-level-3 { padding-left: 20px !important; }
.toc-level-4 { padding-left: 32px !important; }
.toc-level-5 { padding-left: 44px !important; }
.toc-level-6 { padding-left: 56px !important; }

.toc-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    line-height: 1.5;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: var(--transition-base);
}

.toc-link:hover {
    color: var(--primary-color);
}

/* 评论区链接 */
.toc-comments {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.toc-comments .toc-link {
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.toc-comment-icon {
    flex-shrink: 0;
    opacity: 0.8;
    transition: var(--transition-base);
}

.toc-comments .toc-link:hover .toc-comment-icon {
    opacity: 1;
    color: var(--primary-color);
}

.toc-comments .toc-link:hover {
    color: var(--primary-color);
}

/* 目录滚动条美化 */
.widget-toc::-webkit-scrollbar {
    width: 6px;
}

.widget-toc::-webkit-scrollbar-track {
    background: transparent;
}

.widget-toc::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

/* ==================== 相册页面 ==================== */
/* 相册列表页 */
.album-list-page {
    min-height: 100vh;
    background: var(--bg-primary);
    padding-bottom: 40px;
}

/* 页面头部 - 简洁样式 */
.album-header-simple {
    background: var(--bg-secondary);
    padding: 24px 0;
    text-align: center;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.album-page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .album-header-simple {
        padding: 20px 0;
    }

    .album-page-title {
        font-size: 1.25rem;
    }
}

/* 相册网格 */
.album-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 24px;
    width: 100%;
}

@media (min-width: 640px) {
    .album-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

@media (min-width: 1024px) {
    .album-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }
}

/* 相册项 */
.album-item {
    display: block;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: all var(--transition-base);
    text-decoration: none;
    border: 1px solid var(--border-light);
    width: 100%;
}

.album-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--border-color);
}

/* 封面区域 */
.album-cover {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
    background: #f5f5f5;
}

.album-cover-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

/* 空占位图 */
.album-cover-empty {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
}

.album-cover-empty svg {
    width: 40px;
    height: 40px;
    opacity: 0.3;
}

/* 照片数量标签 */
.album-count {
    position: absolute;
    bottom: 8px;
    right: 8px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* 卡片内容区域 */
.album-info {
    padding: 16px;
}

.album-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-date {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin: 0;
}

/* 空状态 */
.album-empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-color);
}

.empty-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    color: var(--text-tertiary);
    opacity: 0.4;
}

.album-empty-state p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 桌面端卡片优化 */
@media (min-width: 1024px) {
    .album-info {
        padding: 20px;
    }

    .album-title {
        font-size: 1.15rem;
        margin-bottom: 10px;
    }

    .album-count {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}

/* 相册详情页 */
.album-detail {
    min-height: 100vh;
    background: var(--bg-primary);
    padding-bottom: 60px;
}

/* 轮播图全宽容器 */
.photo-slideshow-full {
    width: 100%;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 40px 0;
}

.album-header {
    margin-bottom: 20px;
    padding: 20px 0;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 12px;
    transition: var(--transition-base);
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-light);
}

.back-link:hover {
    color: var(--primary-color);
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.album-detail .album-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.album-detail .album-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
}

/* 轮播图 */
.photo-slideshow {
    max-width: 100%;
    margin: 0 auto;
}

.photo-slideshow-full .photo-slideshow {
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    border: none;
}

.slideshow-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-top: 62.5%; /* 16:10 aspect ratio */
    background: #f5f5f5;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.photo-slideshow-full .slideshow-container {
    border-radius: 0;
    box-shadow: none;
}

.slide-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-item.active {
    opacity: 1;
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px 20px 20px;
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    font-size: 1rem;
    text-align: center;
    font-weight: 500;
}

.slide-prev,
.slide-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%) scale(0.9);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
    opacity: 0.8;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.slide-prev:hover,
.slide-next:hover {
    background: #fff;
    transform: translateY(-50%) scale(1);
    opacity: 1;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.slide-prev {
    left: 20px;
}

.slide-next {
    right: 20px;
}

.slide-prev svg,
.slide-next svg {
    color: var(--text-primary);
    width: 24px;
    height: 24px;
}

/* 缩略图导航 */
.slideshow-thumbnails {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-tertiary);
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}

.slideshow-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.slideshow-thumbnails::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.slideshow-thumbnails::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.thumbnail-item {
    flex-shrink: 0;
    width: 100px;
    height: 75px;
    padding: 0;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
    background: var(--bg-tertiary);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.thumbnail-item:hover {
    border-color: var(--border-color);
    transform: scale(1.02);
}

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

.thumbnail-item.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 128, 255, 0.1);
}

/* 页码指示器 */
.slideshow-indicator {
    text-align: center;
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    background: var(--bg-tertiary);
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--radius-full);
}

/* 空状态 */
.slideshow-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    text-align: center;
}

.slideshow-empty svg {
    color: var(--text-tertiary);
    margin-bottom: 16px;
    opacity: 0.5;
}

.slideshow-empty p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .album-detail {
        padding: 0 0 40px;
    }

    .album-header {
        padding: 16px;
    }

    .album-detail .album-title {
        font-size: 1.25rem;
    }

    .album-detail .album-desc {
        font-size: 0.85rem;
    }

    .photo-slideshow-full {
        padding: 20px 0;
    }

    .photo-slideshow-full .photo-slideshow {
        padding: 0 20px;
    }

    .slideshow-container {
        height: 0;
        padding-top: 75%; /* 4:3 aspect ratio for mobile */
    }

    .slide-prev,
    .slide-next {
        width: 40px;
        height: 40px;
    }

    .slide-prev {
        left: 10px;
    }

    .slide-next {
        right: 10px;
    }

    .slide-prev svg,
    .slide-next svg {
        width: 20px;
        height: 20px;
    }

    .thumbnail-item {
        width: 70px;
        height: 52px;
    }

    .slideshow-thumbnails {
        gap: 6px;
        max-width: none;
    }
}

.widget-toc::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}