/*
Theme Name: 扁平主题
Theme URI: https://github.com/lappland22233/wp- 
Author: lappland22233 
Author URI: https://github.com/lappland22233
Description: 一个采用新粗野主义（Neo-Brutalism）设计风格的现代博客主题，具有粗边框、偏移阴影、玫瑰粉色调、暗色模式支持和完整的响应式布局。从 React + Tailwind CSS 设计系统转换而来。
Version: 1.0.2
Requires at least: 5.9
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: neo-brutalism-blog
Tags: blog, one-column, custom-menu, featured-images, post-formats, theme-options, translation-ready, custom-logo, dark-mode, brutalist, modern
*/

/* ============================================
   CSS 自定义属性（色彩系统 - oklch）
   ============================================ */
:root {
  /* 基础色彩 */
  --color-background: oklch(0.9399 0.0203 345.6985);
  --color-foreground: oklch(0.4712 0 0);
  --color-card: oklch(0.9498 0.0500 86.8891);
  --color-card-foreground: oklch(0.4712 0 0);
  --color-popover: oklch(1.0000 0 0);
  --color-popover-foreground: oklch(0.4712 0 0);

  /* 强调色 */
  --color-primary: oklch(0.6209 0.1801 348.1385);
  --color-primary-foreground: oklch(1.0000 0 0);
  --color-secondary: oklch(0.8095 0.0694 198.1863);
  --color-secondary-foreground: oklch(0.3211 0 0);

  /* 中性色 */
  --color-muted: oklch(0.8800 0.0504 212.0952);
  --color-muted-foreground: oklch(0.5795 0 0);
  --color-accent: oklch(0.9195 0.0801 87.6670);
  --color-accent-foreground: oklch(0.3211 0 0);

  /* 功能色 */
  --color-destructive: oklch(0.7091 0.1697 21.9551);
  --color-destructive-foreground: oklch(1.0000 0 0);

  /* 边框与输入 */
  --color-border: oklch(0.6209 0.1801 348.1385);
  --color-input: oklch(0.9189 0 0);
  --color-ring: oklch(0.7002 0.1597 350.7532);

  /* 侧边栏 */
  --color-sidebar: oklch(0.9140 0.0424 343.0913);
  --color-sidebar-foreground: oklch(0.3211 0 0);
  --color-sidebar-primary: oklch(0.6559 0.2118 354.3084);
  --color-sidebar-primary-foreground: oklch(1.0000 0 0);
  --color-sidebar-accent: oklch(0.8228 0.1095 346.0184);
  --color-sidebar-accent-foreground: oklch(0.3211 0 0);
  --color-sidebar-border: oklch(0.9464 0.0327 307.1745);
  --color-sidebar-ring: oklch(0.6559 0.2118 354.3084);

  /* 图表色 */
  --color-chart-1: oklch(0.7002 0.1597 350.7532);
  --color-chart-2: oklch(0.8189 0.0799 212.0892);
  --color-chart-3: oklch(0.9195 0.0801 87.6670);
  --color-chart-4: oklch(0.7998 0.1110 348.1791);
  --color-chart-5: oklch(0.6197 0.1899 353.9091);

  /* 圆角与间距 */
  --radius: 0.4rem;
  --radius-lg: var(--radius);
  --radius-md: calc(var(--radius) - 2px);
  --radius-sm: calc(var(--radius) - 4px);
  --spacing: 0.25rem;

  /* 字体 */
  --font-sans: "Poppins", sans-serif;
  --font-serif: "Lora", serif;
  --font-mono: "Fira Code", monospace;

  /* 阴影 */
  --shadow-sm: 3px 3px 0px 0px hsl(325.78 58.18% 56.86% / 0.5);
}

/* 暗色模式变量覆盖 */
.dark {
  --color-background: oklch(0.2497 0.0305 234.1628);
  --color-foreground: oklch(0.9306 0.0197 349.0785);
  --color-card: oklch(0.2902 0.0299 233.5352);
  --color-card-foreground: oklch(0.9306 0.0197 349.0785);
  --color-popover: oklch(0.2902 0.0299 233.5352);
  --color-popover-foreground: oklch(0.9306 0.0197 349.0785);
  --color-primary: oklch(0.9195 0.0801 87.6670);
  --color-primary-foreground: oklch(0.2497 0.0305 234.1628);
  --color-secondary: oklch(0.7794 0.0803 4.1330);
  --color-secondary-foreground: oklch(0.2497 0.0305 234.1628);
  --color-muted: oklch(0.2713 0.0086 255.5780);
  --color-muted-foreground: oklch(0.7794 0.0803 4.1330);
  --color-accent: oklch(0.6699 0.0988 356.9762);
  --color-accent-foreground: oklch(0.9306 0.0197 349.0785);
  --color-destructive: oklch(0.6702 0.1806 350.3599);
  --color-destructive-foreground: oklch(0.2497 0.0305 234.1628);
  --color-border: oklch(0.3907 0.0399 242.2181);
  --color-input: oklch(0.3093 0.0305 232.0027);
  --color-ring: oklch(0.6998 0.0896 201.8672);
  --color-sidebar: oklch(0.2303 0.0270 255.9743);
  --color-sidebar-foreground: oklch(0.9670 0.0029 264.5419);
  --color-sidebar-primary: oklch(0.6559 0.2118 354.3084);
  --color-sidebar-primary-foreground: oklch(1.0000 0 0);
  --color-sidebar-accent: oklch(0.8228 0.1095 346.0184);
  --color-sidebar-accent-foreground: oklch(0.2781 0.0296 256.8480);
  --color-sidebar-border: oklch(0.3729 0.0306 259.7328);
  --color-sidebar-ring: oklch(0.6559 0.2118 354.3084);
  --color-chart-1: oklch(0.6998 0.0896 201.8672);
  --color-chart-2: oklch(0.7794 0.0803 4.1330);
  --color-chart-3: oklch(0.6699 0.0988 356.9762);
  --color-chart-4: oklch(0.4408 0.0702 217.0848);
  --color-chart-5: oklch(0.2713 0.0086 255.5780);
}

/* ============================================
   CSS 重置与基础样式
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-color: var(--color-border);
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  font-family: var(--font-sans);
}

body {
  margin: 0;
  background-color: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  antialiased;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

p,
h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* ============================================
   动画关键帧
   ============================================ */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(32px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes accordion-down {
  from { height: 0; }
  to { height: var(--radix-accordion-content-height, auto); }
}

@keyframes accordion-up {
  from { height: var(--radix-accordion-content-height, auto); }
  to { height: 0; }
}

/* ============================================
   工具类
   ============================================ */
.brutal-shadow {
  box-shadow: 4px 4px 0px 0px var(--color-primary);
}

.brutal-shadow-hover:hover {
  box-shadow: 6px 6px 0px 0px var(--color-primary);
  transform: translate(-2px, -2px);
}

.brutal-shadow-sm {
  box-shadow: 3px 3px 0px 0px color-mix(in oklch, var(--color-primary) 50%, transparent);
}

.text-balance {
  text-wrap: balance;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   布局容器
   ============================================ */
.site-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  width: 100%;
}

@media (min-width: 1536px) {
  .site-main,
  .header-inner,
  .footer-inner {
    max-width: 1440px;
  }
}

.content-area {
  flex: 1;
  min-width: 0;
}

.content-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: minmax(0, 1fr);
}

.widget-area {
  width: 100%;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .content-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .widget-area {
    width: 300px;
  }
}

@media (min-width: 1024px) {
  .content-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
  }

  .widget-area {
    width: 340px;
  }
}

/* ============================================
   Header 导航样式
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 2px solid var(--color-border);
  background-color: color-mix(in oklch, var(--color-background) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.site-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.125rem;
  box-shadow: var(--shadow-sm);
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-title .accent {
  color: var(--color-primary);
}

.main-navigation {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 768px) {
  .main-navigation {
    display: flex;
  }
}

.nav-link {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted-foreground);
  transition: color 0.15s ease;
  text-decoration: none;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background-color: var(--color-primary);
  transition: width 0.2s ease;
}

.nav-link:hover {
  color: var(--color-foreground);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn,
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.theme-toggle-btn:hover,
.mobile-menu-btn:hover {
  background-color: var(--color-accent);
}

.subscribe-btn {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-weight: 500;
  font-size: 0.875rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  text-decoration: none;
}

.subscribe-btn:hover {
  box-shadow: 6px 6px 0px 0px var(--color-primary);
  transform: translate(-2px, -2px);
}

@media (min-width: 768px) {
  .subscribe-btn {
    display: inline-flex;
  }
}

/* 登录按钮 */
.login-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-foreground);
  text-decoration: none;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.login-btn:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 4px 4px 0px 0px var(--color-border);
}

.login-btn:active {
  transform: translateY(0);
  box-shadow: 2px 2px 0px 0px var(--color-border);
}

@media (max-width: 767px) {
  .login-btn {
    display: none;
  }
}

/* 用户按钮（已登录状态） */
.user-btn {
  gap: 0.5rem;
}

.user-btn .user-avatar-img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
}

.user-name {
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 767px) {
  .user-btn {
    display: none;
  }
}

/* 移动端导航 */
.mobile-menu-btn {
  display: flex;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-nav {
  border-top: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
  display: none;
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav .nav-link {
  display: block;
  padding: 0.5rem 0;
}

/* 主题切换图标动画 */
.theme-icon-sun {
  transition: all 0.3s ease;
}

.theme-icon-moon {
  position: absolute;
  transition: all 0.3s ease;
}

.dark .theme-icon-sun {
  transform: rotate(-90deg) scale(0);
  opacity: 0;
}

.dark .theme-icon-moon {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}

.theme-icon-moon {
  transform: rotate(90deg) scale(0);
  opacity: 0;
}

:not(.dark) .theme-icon-moon {
  transform: rotate(90deg) scale(0);
  opacity: 0;
}

:not(.dark) .theme-icon-sun {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}

/* ============================================
   Hero 标题区域
   ============================================ */
.page-hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.page-hero-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-foreground);
  animation: fade-in-up 0.6s ease-out both;
}

.page-hero-title .accent {
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .page-hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .page-hero-title {
    font-size: 3.75rem;
  }
}

.page-hero-desc {
  max-width: 36rem;
  margin: 0.75rem auto 0;
  font-size: 1rem;
  color: var(--color-muted-foreground);
  animation: fade-in-up 0.6s 0.15s ease-out both;
}

/* ============================================
   精选文章卡片（Featured Post）
   ============================================ */
.featured-post {
  position: relative;
  display: grid;
  gap: 1.5rem;
  overflow: hidden;
  border: 2px solid var(--color-border);
  background-color: var(--color-card);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  animation: fade-in-up 0.6s 0.2s ease-out both;
}

.featured-post:hover {
  box-shadow: 6px 6px 0px 0px var(--color-primary);
  transform: translate(-2px, -2px);
}

@media (min-width: 768px) {
  .featured-post {
    grid-template-columns: 1fr 1fr;
  }
}

.featured-post-image-wrapper {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

@media (min-width: 768px) {
  .featured-post-image-wrapper {
    aspect-ratio: auto;
  }
}

.featured-post-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-post:hover .featured-post-image {
  transform: scale(1.05);
}

.featured-badge {
  position: absolute;
  left: 1rem;
  top: 1rem;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.featured-post-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem;
}

@media (min-width: 768px) {
  .featured-post-content {
    padding: 2.5rem;
  }
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.category-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--color-border);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
  border-radius: 0.25rem;
}

.post-meta-date {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

.featured-post-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-card-foreground);
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .featured-post-title {
    font-size: 1.875rem;
  }
}

@media (min-width: 1024px) {
  .featured-post-title {
    font-size: 2.25rem;
  }
}

.featured-post-excerpt {
  color: var(--color-muted-foreground);
  line-height: 1.625;
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .featured-post-excerpt {
    font-size: 1.125rem;
  }
}

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

.author-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 9999px;
  border: 2px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-secondary);
  color: var(--color-secondary-foreground);
  font-size: 0.75rem;
  font-weight: 700;
}

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

.author-name {
  font-size: 0.875rem;
  font-weight: 500;
}

.read-more-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: all 0.2s ease;
  text-decoration: none;
}

.read-more-link:hover {
  gap: 0.75rem;
}

.read-more-link svg {
  width: 1rem;
  height: 1rem;
  transition: transform 0.2s ease;
}

/* ============================================
   文章卡片网格（Post Card）
   ============================================ */
.posts-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.posts-section-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
}

.posts-count {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

.posts-grid {
  display: grid;
  gap: 1.5rem;
}

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

.post-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 2px solid var(--color-border);
  background-color: var(--color-card);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.post-card:hover {
  box-shadow: 6px 6px 0px 0px var(--color-primary);
  transform: translate(-2px, -2px);
}

.post-card-image-wrapper {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.post-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.post-card:hover .post-card-image {
  transform: scale(1.05);
}

.post-card-category-badge {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  border: 1px solid color-mix(in oklch, var(--color-border) 50%, transparent);
  background-color: color-mix(in oklch, var(--color-background) 90%, transparent);
  backdrop-filter: blur(4px);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 0.25rem;
}

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

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
  margin-bottom: 0.5rem;
}

.post-card-meta svg {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
}

.post-card-meta-sep {
  opacity: 0.6;
}

.post-card-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-card-foreground);
  margin-bottom: 0.5rem;
  transition: color 0.15s ease;
}

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

.post-card-excerpt {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--color-muted-foreground);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid color-mix(in oklch, var(--color-border) 50%, transparent);
  padding-top: 1rem;
}

.post-card-author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 9999px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-secondary);
  color: var(--color-secondary-foreground);
  font-size: 10px;
  font-weight: 700;
}

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

.post-card-author-name {
  font-size: 0.75rem;
  font-weight: 500;
}

.post-card-comments {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

.post-card-comments svg {
  width: 0.875rem;
  height: 0.875rem;
}

/* 加载更多按钮 */
.load-more-container {
  display: flex;
  justify-content: center;
  margin-top: 2.5rem;
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 2rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-background);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-family: var(--font-sans);
}

.load-more-btn:hover {
  box-shadow: 6px 6px 0px 0px var(--color-primary);
  transform: translate(-2px, -2px);
}

.load-more-btn svg {
  width: 1rem;
  height: 1rem;
  margin-left: 0.5rem;
}

/* ============================================
   侧边栏样式
   ============================================ */
.sidebar-widget {
  border: 2px solid var(--color-border);
  background-color: var(--color-card);
  border-radius: 0.5rem;
  padding: 1.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-widget-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.sidebar-widget-title svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-primary);
}

.sidebar-widget-title.accent-text {
  color: var(--color-primary-foreground);
}

/* 搜索小工具 */
.search-form {
  position: relative;
}

.search-form-input {
  width: 100%;
  padding: 0.625rem 2.5rem 0.625rem 0.875rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-background);
  border-radius: 0.375rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.search-form-input:focus {
  border-color: var(--color-ring);
  box-shadow: 0 0 0 2px color-mix(in oklch, var(--color-ring) 30%, transparent);
}

.search-form-button {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  color: var(--color-muted-foreground);
}

.search-form-button svg {
  width: 1rem;
  height: 1rem;
}

/* 分类列表 */
.category-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.category-list-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  transition: all 0.15s ease;
  text-decoration: none;
}

.category-list-item a:hover {
  background-color: var(--color-accent);
  color: var(--color-accent-foreground);
}

.category-list-name {
  font-weight: 500;
}

.category-count {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  margin-left: 0.5rem;
  background-color: var(--color-muted);
  color: var(--color-muted-foreground);
  font-size: 0.75rem;
  border-radius: 0.25rem;
}

/* 热门文章列表 */
.trending-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.trending-list-item a {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: background-color 0.15s ease;
  text-decoration: none;
}

.trending-list-item a:hover {
  background-color: var(--color-accent);
}

.trending-rank {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-size: 0.75rem;
  font-weight: 700;
}

.trending-title {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-card-foreground);
  transition: color 0.15s ease;
}

.trending-list-item:hover .trending-title {
  color: var(--color-primary);
}

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-link {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-background);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-muted-foreground);
  border-radius: 0.25rem;
  transition: all 0.15s ease;
  text-decoration: none;
}

.tag-link:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
}

/* 订阅面板 */
.newsletter-widget {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--color-border);
  background-color: var(--color-primary);
  border-radius: 0.5rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.newsletter-widget::before {
  content: "";
  position: absolute;
  top: -1.5rem;
  right: -1.5rem;
  width: 6rem;
  height: 6rem;
  border-radius: 9999px;
  background-color: color-mix(in oklch, var(--color-primary-foreground) 10%, transparent);
}

.newsletter-widget::after {
  content: "";
  position: absolute;
  bottom: -1rem;
  left: -1rem;
  width: 4rem;
  height: 4rem;
  border-radius: 9999px;
  background-color: color-mix(in oklch, var(--color-primary-foreground) 10%, transparent);
}

.newsletter-widget-inner {
  position: relative;
}

.newsletter-widget-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary-foreground);
  margin-bottom: 0.5rem;
}

.newsletter-widget-title svg {
  width: 1.25rem;
  height: 1.25rem;
}

.newsletter-desc {
  font-size: 0.875rem;
  color: color-mix(in oklch, var(--color-primary-foreground) 80%, transparent);
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.625rem 0.875rem;
  border: 2px solid color-mix(in oklch, var(--color-primary-foreground) 30%, transparent);
  background-color: color-mix(in oklch, var(--color-primary-foreground) 10%, transparent);
  color: var(--color-primary-foreground);
  border-radius: 0.375rem;
  font-size: 0.875rem;
  outline: none;
}

.newsletter-input::placeholder {
  color: color-mix(in oklch, var(--color-primary-foreground) 50%, transparent);
}

.newsletter-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-primary-foreground);
  background-color: var(--color-primary-foreground);
  color: var(--color-primary);
  border-radius: 0.375rem;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}

.newsletter-submit:hover {
  background-color: color-mix(in oklch, var(--color-primary-foreground) 90%, transparent);
}

.newsletter-submit svg {
  width: 1rem;
  height: 1rem;
}

/* ============================================
   固定分页导航（页脚上方居中）
   ============================================ */
.fixed-pagination {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  z-index: 100;
  padding: 0.75rem 1.5rem;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.fixed-pagination.pagination-visible {
  transform: translateX(-50%) translateY(0);
}

.fixed-pagination.pagination-hidden {
  transform: translateX(-50%) translateY(100%);
}

.fixed-pagination-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.fixed-pagination .pagination,
.fixed-pagination .wp-pagenavi,
.fixed-pagination .page-numbers {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fixed-pagination .page-numbers,
.fixed-pagination a.page-numbers,
.fixed-pagination span.page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-foreground);
  text-decoration: none;
  transition: all 0.15s ease;
  box-shadow: 2px 2px 0px 0px var(--color-border);
}

.fixed-pagination .page-numbers:hover,
.fixed-pagination a.page-numbers:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 3px 3px 0px 0px var(--color-border);
}

.fixed-pagination .page-numbers.current,
.fixed-pagination span.page-numbers.current {
  background: var(--color-primary);
  color: var(--color-primary-foreground);
  border-color: var(--color-primary);
  box-shadow: 2px 2px 0px 0px var(--color-primary);
}

/* ============================================
   Footer 页脚样式
   ============================================ */
.site-footer {
  border-top: 2px solid var(--color-border);
  background-color: var(--color-card);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-brand {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  align-items: center;
}

.footer-brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 2px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-family: var(--font-serif);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
}

.footer-brand-name .accent {
  color: var(--color-primary);
}

.footer-description {
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--color-muted-foreground);
}

.footer-heading {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  transition: color 0.15s ease;
  text-decoration: none;
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

.footer-contact a {
  color: var(--color-muted-foreground);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.footer-divider {
  border: none;
  border-top: 2px solid var(--color-border);
  margin: 2rem 0;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* ============================================
   单篇文章页 (Single Post)
   ============================================ */
.single-post-header {
  margin-bottom: 2.5rem;
}

.single-post-thumbnail {
  margin-bottom: 1.5rem;
  border: 2px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.single-post-thumbnail img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.single-post-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .single-post-title {
    font-size: 2.5rem;
  }
}

.single-post-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid color-mix(in oklch, var(--color-border) 50%, transparent);
  margin-bottom: 2rem;
}

.single-post-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-foreground);
}

@media (min-width: 1280px) {
  .single .site-main > article.single-post,
  .page .site-main > article {
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
  }
}

.single-post-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.single-post-content h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.single-post-content p {
  margin-bottom: 1.25rem;
}

.single-post-content img {
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
}

.single-post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  color: var(--color-muted-foreground);
  font-style: italic;
}

.single-post-content code {
  font-family: var(--font-mono);
  background-color: var(--color-muted);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-size: 0.9em;
}

.single-post-content pre {
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  padding: 1.25rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.single-post-content pre code {
  background: none;
  padding: 0;
}

.single-post-content ul,
.single-post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.single-post-content ul {
  list-style-type: disc;
}

.single-post-content ol {
  list-style-type: decimal;
}

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

/* 文章导航（上一篇/下一篇） */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-border);
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-card);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  text-decoration: none;
  border-radius: 0.375rem;
}

.post-nav-link:hover {
  box-shadow: 4px 4px 0px 0px var(--color-primary);
  transform: translate(-2px, -2px);
}

.post-nav-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted-foreground);
  margin-bottom: 0.5rem;
}

.post-nav-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-foreground);
}

/* ============================================
   评论区域
   ============================================ */
.comments-area {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-border);
}

.comments-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comment-body {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-card);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.comment-avatar {
  width: 48px;
  height: 48px;
  border-radius: 9999px;
  border: 2px solid var(--color-border);
  overflow: hidden;
  flex-shrink: 0;
  background-color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-secondary-foreground);
}

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

.comment-content {
  flex: 1;
  min-width: 0;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.comment-author {
  font-weight: 600;
  font-size: 0.875rem;
}

.comment-date {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

.comment-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-foreground);
}

.reply-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: 0.5rem;
  text-decoration: none;
}

.reply-link:hover {
  text-decoration: underline;
}

/* 评论表单 */
.comment-reply-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comment-form-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.comment-form-label {
  font-size: 0.875rem;
  font-weight: 500;
}

.comment-form-input,
.comment-form-textarea {
  padding: 0.75rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-background);
  border-radius: 0.375rem;
  font-size: 0.9375rem;
  outline: none;
  font-family: var(--font-sans);
  transition: border-color 0.15s ease;
}

.comment-form-textarea {
  resize: vertical;
  min-height: 150px;
}

.comment-form-input:focus,
.comment-form-textarea:focus {
  border-color: var(--color-ring);
  box-shadow: 0 0 0 2px color-mix(in oklch, var(--color-ring) 30%, transparent);
}

.submit-comment-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 0.375rem;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-sans);
  align-self: flex-start;
}

.submit-comment-btn:hover {
  box-shadow: 6px 6px 0px 0px var(--color-primary);
  transform: translate(-2px, -2px);
}

/* ============================================
   归档/搜索页
   ============================================ */
.archive-header {
  margin-bottom: 2.5rem;
}

.archive-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.archive-description {
  color: var(--color-muted-foreground);
  font-size: 1rem;
}

.search-results-info {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin-bottom: 1.5rem;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-background);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.375rem;
  transition: all 0.15s ease;
  text-decoration: none;
  color: var(--color-foreground);
}

.pagination-link:hover,
.pagination-link.current {
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  border-color: var(--color-primary);
}

/* ============================================
   404 页面
   ============================================ */
.error-404 {
  text-align: center;
  padding: 4rem 1.5rem;
}

.error-404-code {
  font-family: var(--font-serif);
  font-size: 6rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-404-title {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.error-404-message {
  font-size: 1.0625rem;
  color: var(--color-muted-foreground);
  margin-bottom: 2rem;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.error-404-home-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 0.375rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  text-decoration: none;
  font-family: var(--font-sans);
}

.error-404-home-btn:hover {
  box-shadow: 6px 6px 0px 0px var(--color-primary);
  transform: translate(-2px, -2px);
}

/* ============================================
   WordPress 默认对齐类
   ============================================ */
.alignleft {
  float: left;
  margin-right: 1.5rem;
  margin-bottom: 1rem;
}

.alignright {
  float: right;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.aligncenter {
  clear: both;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.wp-caption-text {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  text-align: center;
  margin-top: 0.5rem;
}

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  word-wrap: normal !important;
  border: 0;
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
}