/* =========================================================
 *  Blog Styles — Liquid Glass (Apple VisionOS inspired)
 * ======================================================= */

:root {
    /* Liquid Glass Core */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-blur: blur(24px);
    --glass-saturation: saturate(180%);
    --glass-filter: var(--glass-blur) var(--glass-saturation);
    --glass-border: 1px solid rgba(255, 255, 255, 0.85);
    --glass-shadow:
        0 8px 32px rgba(0, 0, 0, 0.08),
        inset 0 0 0 1px rgba(255, 255, 255, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        inset 0 -1px 0 rgba(255, 255, 255, 0.3);
    --glass-shadow-hover:
        0 12px 40px rgba(0, 0, 0, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        inset 0 -1px 0 rgba(255, 255, 255, 0.3);
    --glass-radius: 20px;
    --glass-radius-sm: 14px;
    
    /* Accent Colors */
    --accent: #007aff;
    --accent-hover: #005ecb;
    --accent-light: rgba(0, 122, 255, 0.08);
    
    /* Text Colors (darkened for glass contrast) */
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-tertiary: #888888;
    
    --max-width: 960px;
    --transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

/* ============================================================
   BODY — 自定义背景（支持图片或渐变）
   ============================================================ */
body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue",
                 "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    /* 默认背景色 */
    background-color: #f2f2f7;
    /* 如需自定义背景图片，取消注释并修改路径：
    background-image: url('/assets/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    */
    /* 默认渐变背景（如需去除，注释掉即可） */
    background-image:
        radial-gradient(ellipse at 10% 15%, rgba(120, 180, 255, 0.35) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 25%, rgba(255, 140, 180, 0.3) 0%, transparent 45%),
        radial-gradient(ellipse at 30% 75%, rgba(180, 130, 255, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 85%, rgba(100, 200, 255, 0.25) 0%, transparent 45%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ============================================================
   Glass Mixin (通用毛玻璃组件类)
   ============================================================ */
.glass {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border: var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}
.glass:hover {
    box-shadow: var(--glass-shadow-hover);
}
.glass-sm {
    border-radius: var(--glass-radius-sm);
}

/* ============================================================
   HEADER — 玻璃导航
   ============================================================ */
.site-header {
    background: rgba(255, 255, 255, 0.75);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    height: 52px;
    position: sticky;
    top: 0;
    z-index: 1030;
    border-bottom: 1px solid rgba(255, 255, 255, 0.7);
}

.site-header .container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.site-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}
.site-title:hover { color: var(--accent); }
.site-title svg { fill: var(--accent); }

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

.nav-links a {
    display: inline-block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    padding: 6px 12px;
    border-radius: 10px;
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.6);
}

/* ============================================================
   首页布局 — 左侧边栏 + 右侧文章列表
   ============================================================ */
.home-layout {
    display: flex;
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px 16px 40px;
    gap: 20px;
    width: 100%;
    align-items: flex-start;
    position: relative;
}

.home-sidebar {
    width: 260px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.home-main {
    flex: 1;
    min-width: 0;
}

/* ============================================================
   首页侧栏卡片
   ============================================================ */
.sidebar-card {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 20px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    position: relative;
}
.sidebar-card:hover {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--glass-shadow-hover);
    transform: translateY(-2px);
}

.sidebar-avatar {
    text-align: center;
    margin-bottom: 12px;
}

.sidebar-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.8);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.sidebar-bio { text-align: center; }

.sidebar-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.sidebar-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.sidebar-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* 分类目录列表 */
.category-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.category-list .sidebar-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.category-list .sidebar-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(255, 255, 255, 0.7);
}

.category-list .sidebar-link.hidden {
    display: none;
}

.category-list.expanded .sidebar-link.hidden {
    display: flex;
}

.category-toggle {
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--accent);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.category-toggle:hover {
    background: rgba(0, 122, 255, 0.06);
    border-radius: 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: var(--transition);
}
.sidebar-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(255, 255, 255, 0.7);
}
.sidebar-link.telegram {
    color: #2AABEE;
    font-weight: 500;
}
.sidebar-link.telegram:hover {
    background: rgba(42, 171, 238, 0.1);
    color: #229ED9;
    border-color: rgba(42, 171, 238, 0.2);
}

/* ============================================================
   首页文章列表
   ============================================================ */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.post-item {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 20px 24px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    position: relative;
}
.post-item:hover {
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--glass-shadow-hover);
    transform: translateY(-2px);
}

.post-meta {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.post-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}
.post-title a:hover { color: var(--accent); }

.post-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    flex-shrink: 0;
}
.post-category a {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(0, 122, 255, 0.08);
    color: var(--accent);
    border-radius: 10px;
    text-decoration: none;
    transition: var(--transition);
}
.post-category a:hover {
    background: rgba(0, 122, 255, 0.15);
}

.post-excerpt {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.67;
}

/* 标签 — 玻璃风格 */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-secondary);
    padding: 2px 10px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}
.tag:hover {
    background: var(--accent-light);
    color: var(--accent);
    border-color: rgba(0, 122, 255, 0.2);
}

/* ============================================================
   文章页 — 左侧目录 + 右侧正文
   ============================================================ */
.article-layout {
    display: flex;
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px 16px 40px;
    gap: 20px;
    width: 100%;
    align-items: flex-start;
}

.article-sidebar {
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 76px;
    max-height: calc(100vh - 100px);
}

.toc-nav {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 16px 0;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

/* 自定义滚动条 */
.toc-nav::-webkit-scrollbar {
    width: 4px;
}

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

.toc-nav::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

.toc-nav::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

.toc-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    padding: 0 16px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
    margin-bottom: 6px;
}

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

.toc-item { margin: 0; }

.toc-item a {
    display: block;
    padding: 6px 16px;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: var(--transition);
    line-height: 1.5;
    word-break: break-all;
}
.toc-item a:hover {
    color: var(--text-primary);
    background: rgba(0, 122, 255, 0.06);
}

.toc-item.active a {
    color: var(--accent);
    border-left-color: var(--accent);
    background: var(--accent-light);
    font-weight: 500;
}

.toc-level-2 a { padding-left: 24px; }
.toc-level-3 a { padding-left: 36px; font-size: 12px; }

.article-main {
    flex: 1;
    min-width: 0;
}

/* 文章头部 */
.post-header {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 22px;
    margin-bottom: 14px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.post-header .post-meta {
    margin-bottom: 8px;
}

.post-header h1 {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* 文章正文 */
.post-content {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 22px;
    padding-bottom: 200px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* 标题滚动偏移 */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
    scroll-margin-top: 80px;
}

/* github-markdown-css 背景透明化 */
.markdown-body {
    background: transparent !important;
}

/* 分享区域 */
.share-section {
    margin-top: 24px;
    padding: 20px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius-sm);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.share-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.share-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.share-btn svg {
    flex-shrink: 0;
}

/* 复制链接按钮 */
.copy-link-btn:hover {
    background: rgba(0, 122, 255, 0.08);
    border-color: rgba(0, 122, 255, 0.2);
    color: var(--accent);
}

.copy-link-btn.copied {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
    color: #1a7f37;
}

/* Twitter/X 按钮 */
.twitter-btn:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.2);
    color: #000000;
}

/* Telegram 按钮 */
.telegram-btn:hover {
    background: rgba(42, 171, 238, 0.08);
    border-color: rgba(42, 171, 238, 0.2);
    color: #2AABEE;
}

/* 邮件按钮 */
.email-btn:hover {
    background: rgba(234, 67, 53, 0.08);
    border-color: rgba(234, 67, 53, 0.2);
    color: #ea4335;
}

/* 翻页导航 */
.post-nav {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
}
.post-nav a,
.post-nav span {
    flex: 1;
    display: inline-block;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 400;
    border-radius: var(--glass-radius-sm);
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
    border: var(--glass-border);
    color: var(--accent);
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    box-shadow: var(--glass-shadow);
}
.post-nav a:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: rgba(0, 122, 255, 0.3);
    transform: translateY(-1px);
}
.post-nav span {
    color: var(--text-tertiary);
    cursor: default;
}

/* ============================================================
   归档页
   ============================================================ */
.archive-header {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 22px;
    margin-bottom: 14px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    text-align: center;
}
.archive-header h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 分类页 */
.category-header {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 22px;
    margin-bottom: 14px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    text-align: center;
}
.category-header h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px;
}
.category-count {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.archive-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.archive-year {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 16px;
    margin-bottom: 6px;
    padding: 0 20px;
}

.archive-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 12px 20px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius-sm);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    gap: 14px;
}
.archive-item:hover {
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--glass-shadow-hover);
    transform: translateY(-1px);
}

.archive-item a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 400;
    flex: 1;
    transition: color 0.2s;
    font-size: 15px;
}
.archive-item a:hover { color: var(--accent); }

.archive-date {
    color: var(--text-tertiary);
    font-size: 13px;
    white-space: nowrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: rgba(255, 255, 255, 0.5);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-top: 1px solid rgba(255, 255, 255, 0.7);
    color: var(--text-tertiary);
    padding: 20px 16px;
    margin-top: 0;
}
.site-footer .container {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
    font-size: 13px;
}
.site-footer a {
    color: var(--text-secondary);
    text-decoration: none;
}
.site-footer a:hover { color: var(--accent); }

/* ============================================================
   代码块 & 复制按钮 (GitHub 风格)
   ============================================================ */
.post-content pre,
.post-content .highlight pre {
    position: relative !important;
    margin: 16px 0 !important;
    padding: 16px !important;
    font-size: 14px !important;
    line-height: 1.6 !important;
    overflow: auto;
    border-radius: 6px !important;
    background: #f6f8fa !important;
    border: 1px solid #d0d7de !important;
}

/* 代码内容 */
.post-content pre code {
    padding: 0 !important;
    margin: 0 !important;
    font-size: inherit !important;
    background: none !important;
    display: inline !important;
    white-space: pre !important;
    color: inherit !important;
}

/* 复制按钮容器 — 固定在右上角 */
.post-content pre .code-header {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    align-items: center;
    padding: 4px 8px;
    z-index: 10;
}

/* 复制按钮 */
.post-content pre .code-copy-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    background: #ffffff;
    color: #57606a;
    cursor: pointer;
    font-size: 12px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1;
    transition: all 0.15s ease;
    opacity: 0;
}

.post-content pre:hover .code-copy-btn {
    opacity: 1;
}

.post-content pre .code-copy-btn:hover {
    background: #f3f4f6;
    border-color: #b1bac4;
    color: #24292f;
}

.post-content pre .code-copy-btn:active {
    background: #e8eaed;
    border-color: #a5adba;
}

/* 复制成功状态 */
.post-content pre .code-copy-btn.copied {
    opacity: 1 !important;
    color: #1a7f37;
    border-color: #1a7f37;
    background: #dafbe1;
}

.post-content pre .code-copy-btn svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.post-content pre .code-copy-btn .copied-text {
    font-weight: 500;
}

/* 暗色主题代码块 */
.post-content pre.dark-theme {
    background: #0d1117 !important;
    border-color: #30363d !important;
    color: #c9d1d9 !important;
}

.post-content pre.dark-theme .code-copy-btn {
    background: #161b22;
    border-color: #30363d;
    color: #8b949e;
}

.post-content pre.dark-theme .code-copy-btn:hover {
    background: #1f242c;
    border-color: #484f58;
    color: #c9d1d9;
}

.post-content pre.dark-theme .code-copy-btn.copied {
    background: #238636;
    border-color: #2ea043;
    color: #ffffff;
}

/* 行内代码 */
.markdown-body code {
    padding: 0.2em 0.4em !important;
    font-size: 85% !important;
    background-color: rgba(175, 184, 193, 0.2) !important;
    border-radius: 6px !important;
}




.markdown-body p {
    margin-top: 4px !important;
    margin-bottom: 8px !important;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
    margin-top: 16px !important;
}

.markdown-body ul,
.markdown-body ol {
    margin-bottom: 10px !important;
    margin-top: 0 !important;
}

.markdown-body blockquote {
    margin: 10px 0 !important;
}

.markdown-body table {
    margin: 12px 0 !important;
}

.markdown-body hr {
    margin: 20px 0 !important;
}

/* ============================================================
   分页导航
   ============================================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    padding: 16px 0;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    font-size: 14px;
    font-weight: 400;
    color: var(--accent);
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border: var(--glass-border);
    border-radius: var(--glass-radius-sm);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.pagination-btn:hover:not(.disabled):not(.active) {
    background: rgba(0, 122, 255, 0.08);
    border-color: rgba(0, 122, 255, 0.25);
    transform: translateY(-1px);
}

.pagination-btn.active {
    background: var(--accent-light);
    border-color: rgba(0, 122, 255, 0.35);
    color: var(--accent);
    cursor: default;
    font-weight: 600;
}

.pagination-btn.disabled {
    color: var(--text-tertiary);
    cursor: default;
    opacity: 0.5;
}

/* ============================================================
   搜索页
   ============================================================ */
.search-page-wrapper {
    flex: 1;
    padding: 50px 16px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.search-header {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 28px 36px;
    margin-bottom: 14px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    text-align: center;
    max-width: 640px;
    width: 100%;
}

.search-header h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.search-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

.search-container {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    border-radius: var(--glass-radius);
    padding: 28px 36px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    max-width: 640px;
    width: 100%;
}

.search-box {
    position: relative;
    margin-bottom: 20px;
}

.search-box .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 12px 36px 12px 40px;
    font-size: 15px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--glass-radius-sm);
    background: rgba(255, 255, 255, 0.6);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
    text-align: center;
}

.search-input:focus {
    border-color: rgba(0, 122, 255, 0.4);
    background: rgba(255, 255, 255, 0.75);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

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

.search-clear-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: var(--transition);
}

.search-clear-btn:hover {
    color: var(--text-primary);
}

.search-hint {
    text-align: center;
    color: var(--text-tertiary);
    padding: 40px 0;
    font-size: 14px;
}

.search-results {
    min-height: 150px;
}

.search-results-count {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.search-result-item {
    display: block;
    padding: 14px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--glass-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition);
}

.search-result-item:hover {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(255, 255, 255, 0.8);
}

.search-result-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    transition: color 0.2s;
}

.search-result-item:hover .search-result-title {
    color: var(--accent);
}

.search-result-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-result-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.search-result-excerpt mark,
.search-result-title mark {
    background: rgba(255, 220, 100, 0.5);
    color: inherit;
    padding: 1px 2px;
    border-radius: 2px;
    font-weight: inherit;
}

.search-no-results {
    text-align: center;
    padding: 40px 0;
    color: var(--text-tertiary);
    font-size: 14px;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 768px) {
    .site-header .container {
        padding: 0 12px;
    }
    main { padding: 12px 12px 32px; }
    .post-item { padding: 16px; }
    .post-title { font-size: 16px; }
    .post-header { padding: 16px; }
    .post-header h1 { font-size: 18px; }
    .post-content { padding: 16px; }
    .post-nav { flex-direction: column; }
    .archive-item { padding: 12px 16px; }

    /* 首页侧栏变顶部横栏 */
    .home-layout {
        flex-direction: column;
        padding: 12px 12px 32px;
    }
    .home-sidebar {
        width: 100%;
        position: static;
        max-height: none;
        flex-direction: row;
        flex-wrap: wrap;
    }
    .home-sidebar .sidebar-card {
        flex: 1;
        min-width: 200px;
    }
    .home-sidebar .sidebar-card:first-child {
        flex-basis: 100%;
    }
    .sidebar-avatar img {
        width: 60px;
        height: 60px;
    }

    /* 文章页目录变顶部 */
    .article-layout {
        flex-direction: column;
        padding: 12px 12px 32px;
    }
    .article-sidebar {
        width: 100%;
        position: static;
        max-height: none;
    }
    .toc-nav ul {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
    }
    .toc-title { display: none; }
    .toc-item a {
        padding: 6px 12px;
        border-left: none;
        border-radius: 10px;
        border: 1px solid transparent;
        font-size: 12px;
    }
    .toc-level-2 a,
    .toc-level-3 a { padding-left: 12px; }
    .toc-item a:hover,
    .toc-item a:active {
        color: var(--accent);
        background: rgba(0, 122, 255, 0.06);
    }
    .toc-item.active a {
        background: var(--accent-light);
        border-color: rgba(0, 122, 255, 0.3);
        color: var(--accent);
    }
}

@media (max-width: 576px) {
    .nav-links a { padding: 4px 8px; font-size: 13px; }
    .post-meta { font-size: 12px; }
    .post-excerpt { font-size: 13px; }
    .post-title { font-size: 15px; }
    .archive-header h1 { font-size: 17px; }
}