/**
 * 刻画博客主题 for Typecho
 * 
 * @package Kehua Theme
 * @author Kehua
 * @version 1.0.0
 * @link https://kehua.me
 */

/* ========================================
   CSS变量 - 亮色主题
   ======================================== */

:root {
    --color-bg: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-text: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-border: #eaeaea;
    --color-border-light: #f0f0f0;
    --color-primary: #e53935;
    --color-primary-hover: #c62828;
    --color-link: #1a1a1a;
    --color-link-hover: #e53935;
    --color-shadow: rgba(0, 0, 0, 0.08);
    --color-overlay: rgba(0, 0, 0, 0.5);
    
    --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    
    --header-height: 60px;
    --container-width: 720px;
    --container-wide: 960px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 50%;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* 暗色主题 */
[data-theme="dark"] {
    --color-bg: #1a1a1a;
    --color-bg-secondary: #242424;
    --color-text: #e8e8e8;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #707070;
    --color-border: #333333;
    --color-border-light: #2a2a2a;
    --color-link: #e8e8e8;
    --color-link-hover: #e53935;
    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-overlay: rgba(0, 0, 0, 0.7);
}

/* ========================================
   基础样式重置
   ======================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

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

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

ul, ol {
    list-style-position: inside;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   布局容器
   ======================================== */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-wide {
    max-width: var(--container-wide);
}

/* ========================================
   头部导航
   ======================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}


.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text);
}

.logo:hover {
    color: var(--color-text);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 700;
}

.logo-img {
    height: 32px;
    width: auto;
    display: block;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
    justify-content: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.nav::-webkit-scrollbar {
    display: none;
}

.nav-link {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-link.active {
    font-weight: 500;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-icon:hover {
    color: var(--color-text);
    background-color: var(--color-bg-secondary);
}

.icon {
    width: 20px;
    height: 20px;
}

/* 主题切换按钮 */
#theme-toggle .icon-moon {
    display: none;
}

[data-theme="dark"] #theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] #theme-toggle .icon-moon {
    display: block;
}

/* 移动端菜单按�?*/
.mobile-menu-toggle {
    display: none;
}

/* ========================================
   移动端导�?   ======================================== */

.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    z-index: 99;
    flex-direction: column;
    gap: var(--spacing-xs);
    box-shadow: 0 4px 12px var(--color-shadow);
    transition: background-color var(--transition-normal);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--color-text);
    background-color: var(--color-bg-secondary);
}

/* ========================================
   搜索弹窗
   ======================================== */

.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-overlay);
    z-index: 200;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-modal-content {
    width: 100%;
    max-width: 560px;
    padding: 0 var(--spacing-lg);
    transform: translateY(-20px);
    transition: transform var(--transition-normal);
}

.search-modal.active .search-modal-content {
    transform: translateY(0);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: 0 8px 32px var(--color-shadow);
}

.search-input-wrapper .icon {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1.125rem;
    background: transparent;
    color: var(--color-text);
}

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

.search-close {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.search-close:hover {
    color: var(--color-text);
    background-color: var(--color-bg-secondary);
}

/* ========================================
   主要内容区域
   ======================================== */

.main {
    flex: 1;
    padding: var(--spacing-2xl) 0;
}

/* ========================================
   文章列表
   ======================================== */

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

.post {
    padding: var(--spacing-xl);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.post:hover {
    border-color: var(--color-border);
    box-shadow: 0 4px 16px var(--color-shadow);
}

.post-featured {
    border: none;
    background: transparent;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
}

.post-featured:hover {
    box-shadow: none;
}

.post-featured .post-title {
    font-size: 1.75rem;
}

.post-with-thumb {
    display: flex;
    gap: var(--spacing-lg);
}

.post-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-bg-secondary);
}

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

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

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

.post-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

.post-title a {
    color: var(--color-text);
}

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

.post-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.post-meta-sep {
    color: var(--color-border);
}

.post-category {
    color: var(--color-text-secondary);
}

.post-category a {
    color: var(--color-text-secondary);
}

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

/* ========================================
   分类页面
   ======================================== */

.category-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.category-title {
    font-size: 2rem;
    font-weight: 700;
}

/* ========================================
   文章详情�?   ======================================== */

.article-detail {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.article-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.article-meta-sep {
    color: var(--color-border);
}

.article-category a {
    color: var(--color-text-muted);
}

.article-category a:hover {
    color: var(--color-primary);
}

.article-cover {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-bg-secondary);
}

.article-cover img {
    width: 100%;
}

.article-content {
    font-size: 1rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-content p {
    margin-bottom: var(--spacing-xl);
    line-height: 2;
}

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

/* 处理没有 p 标签的纯文本段落 */
.article-content {
    line-height: 2;
    text-align: justify;
}

.article-content br + br {
    display: block;
    content: "";
    margin-top: var(--spacing-lg);
}

.article-content a {
    color: var(--color-primary);
}

.article-content a:hover {
    text-decoration: underline;
}

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

.article-content li {
    margin-bottom: var(--spacing-sm);
}

.article-content blockquote {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

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

.article-content pre {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.article-content code {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
}

.article-content p code {
    padding: 0.125rem 0.375rem;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
}

.article-content img {
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

/* 文章标签 */
.article-tags {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag-label {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.article-tags a {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.article-tags a:hover {
    color: var(--color-primary);
    background-color: rgba(229, 57, 53, 0.1);
}

/* 文章导航 */
.article-nav {
    margin-top: var(--spacing-2xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.article-nav-item {
    display: block;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-nav-item:hover {
    background-color: var(--color-border-light);
}

.article-nav-prev {
    text-align: left;
}

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

/* ========================================
   评论�?   ======================================== */

.comments-section {
    max-width: var(--container-width);
    margin: var(--spacing-2xl) auto 0;
    padding: 0 var(--spacing-lg);
}

.comments-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
}

.comment-form {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.comment-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg);
    color: var(--color-text);
    resize: vertical;
    transition: border-color var(--transition-fast);
}

.comment-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.comment-form-footer {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.comment-form-info {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-sm);
    width: 100%;
}

.logged-in-as {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.comment-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.comment-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.comment-submit {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: white;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.comment-submit:hover {
    background-color: var(--color-primary-hover);
}

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

.comment {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* 回复框在评论内部时的样式 */
.comment .comment-form {
    flex-basis: 100%;
    width: 100%;
    margin-top: var(--spacing-md);
    margin-left: 0;
}

.comment .comment-form .comment-textarea {
    min-height: 120px;
}

.comment-avatar {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    overflow: hidden;
    background-color: var(--color-bg-secondary);
}

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

.comment-body {
    flex: 1;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.comment-author {
    font-weight: 600;
}

.comment-author a {
    color: var(--color-text);
}

.comment-author a:hover {
    color: var(--color-primary);
}

.comment-badge {
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
}

.comment-date {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.comment-content {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.comment-content p {
    margin: 0;
}

.comment-actions {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.comment-reply-btn {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.comment-reply-btn:hover {
    color: var(--color-primary);
}

.comment-children,
.comment-child {
    margin-top: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.comment-child .comment-avatar {
    width: 36px;
    height: 36px;
}

.comment-form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.cancel-comment-reply a {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.cancel-comment-reply a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background-color: var(--color-bg);
}

/* ========================================
   关于页面
   ======================================== */

.page-content {
    background-color: var(--color-bg);
}

.about-page {
    max-width: var(--container-width);
    margin: 0 auto;
}

.about-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.about-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-full);
    overflow: hidden;
    background-color: var(--color-bg-secondary);
    box-shadow: 0 4px 16px var(--color-shadow);
}

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

.about-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.about-bio {
    color: var(--color-text-secondary);
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-lg);
}

.about-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.social-link:hover {
    color: var(--color-primary);
    background-color: rgba(229, 57, 53, 0.1);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.about-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.about-content h2:first-child {
    margin-top: 0;
}

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

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

.about-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.about-content a {
    color: var(--color-primary);
}

.about-content a:hover {
    text-decoration: underline;
}

/* ========================================
   归档页面
   ======================================== */

.archive-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

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

.archive-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.archive-stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.archive-year {
    margin-bottom: var(--spacing-2xl);
}

.archive-year-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.archive-year-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.archive-list {
    list-style: none;
    padding: 0;
}

.archive-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border-light);
}

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

.archive-date {
    flex-shrink: 0;
    width: 80px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.archive-title {
    flex: 1;
    font-weight: 500;
}

.archive-title a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

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

.archive-category {
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
}

.archive-category a {
    color: var(--color-text-muted);
}

/* ========================================
   分页
   ======================================== */

/* 分页样式 - 适配 Typecho 默认输出 */
.page-navigator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-2xl);
    list-style: none;
    padding: 0;
}

.page-navigator li {
    display: inline-block;
}

.page-navigator li a,
.page-navigator li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-sm);
    color: var(--color-text-secondary);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.page-navigator li a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.page-navigator li.current a,
.page-navigator li.current span {
    color: white;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* 上一�?下一�?*/
.page-navigator li.prev a,
.page-navigator li.next a {
    padding: 0 var(--spacing-md);
}

/* 无结�?*/
.no-results {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-muted);
}

/* ========================================
   页脚
   ======================================== */

.footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer-links a {
    color: var(--color-text-muted);
}

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

.footer-links span {
    margin: 0 var(--spacing-xs);
}

.footer-copyright {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

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

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

.footer-theme {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.footer-theme a {
    color: var(--color-text-muted);
}

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

/* ========================================
   回到顶部按钮
   ======================================== */

.back-to-top {
    position: fixed;
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    box-shadow: 0 2px 8px var(--color-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal), border-color var(--transition-fast);
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    border-color: var(--color-text-muted);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary);
}

/* ========================================
   动画效果
   ======================================== */

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

.post {
    animation: fadeIn 0.4s ease forwards;
}

.post:nth-child(1) { animation-delay: 0.05s; }
.post:nth-child(2) { animation-delay: 0.1s; }
.post:nth-child(3) { animation-delay: 0.15s; }
.post:nth-child(4) { animation-delay: 0.2s; }
.post:nth-child(5) { animation-delay: 0.25s; }
.post:nth-child(6) { animation-delay: 0.3s; }
.post:nth-child(7) { animation-delay: 0.35s; }
.post:nth-child(8) { animation-delay: 0.4s; }

/* ========================================
   响应式设�?   ======================================== */

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .post-featured .post-title {
        font-size: 1.5rem;
    }
    
    .post-with-thumb {
        flex-direction: column;
    }
    
    .post-thumb {
        width: 100%;
        height: 0;
        padding-bottom: 100%; /* 保持正方形比�?*/
        position: relative;
    }
    
    .post-thumb img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
    
    .article-title {
        font-size: 1.5rem;
    }
    
    .article-nav {
        grid-template-columns: 1fr;
    }
    
    .article-nav-next {
        text-align: left;
    }
    
    .comment-form-info {
        grid-template-columns: 1fr;
    }
    
    .comment-form-actions {
        justify-content: flex-end;
        gap: var(--spacing-sm);
    }
    
    
    .about-avatar {
        width: 100px;
        height: 100px;
    }
    
    .about-name {
        font-size: 1.5rem;
    }
    
    .archive-stats {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .archive-item {
        flex-wrap: wrap;
    }
    
    .archive-date {
        width: 100%;
        margin-bottom: var(--spacing-xs);
    }
    
    .archive-category {
        margin-left: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header-inner {
        padding: 0 var(--spacing-md);
    }
    
    .post {
        padding: var(--spacing-md);
    }
    
    .post-title {
        font-size: 1.125rem;
    }
    
    .post-excerpt {
        font-size: 0.875rem;
    }
    
    .post-thumb {
        padding-bottom: 100%; /* 保持正方形比�?*/
    }
    
    .article-detail {
        padding: 0 var(--spacing-md);
    }
    
    .article-title {
        font-size: 1.375rem;
    }
    
    .comments-section {
        padding: 0 var(--spacing-md);
    }
    
    .page-navigator li a,
    .page-navigator li span {
        min-width: 32px;
        height: 32px;
    }
    
    .back-to-top {
        right: var(--spacing-md);
        bottom: var(--spacing-md);
        width: 40px;
        height: 40px;
    }
}

/* ========================================
   打印样式
   ======================================== */

@media print {
    .header,
    .footer,
    .back-to-top,
    .search-modal,
    .mobile-nav,
    .article-nav,
    .comments-section,
    .page-navigator {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .article-content a {
        color: #000;
        text-decoration: underline;
    }
    
    .article-content a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}