/* =========================================
   全局变量 (Global Variables)
   统一管理所有样式变量，避免重复定义
   ========================================= */
:root {
    /* 基础配色 */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #eff6ff;
    --text-main: #1e293b;
    --text-secondary: #475569;
    --text-light: #64748b;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    
    /* 视觉样式 */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 4px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 25px -5px rgba(59, 130, 246, 0.1);
    --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* 过渡动画 */
    --transition-base: all 0.2s ease;
    --transition-slow: all 0.3s ease;
    
    /* 间距规范 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* =========================================
   全局重置 & 基础样式 (Reset & Base)
   ========================================= */
* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
}

html {
    scroll-behavior: smooth; /* 平滑滚动 */
}

body {
    font-family: "Microsoft Yahei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh; /* 保证页脚在底部 */
    display: flex;
    flex-direction: column;
}

a { 
    text-decoration: none; 
    color: inherit; 
    transition: var(--transition-base); 
}
a:hover { color: var(--primary); }

ul, ol { list-style: none; }
img { 
    max-width: 100%; 
    height: auto; 
    display: block; 
}

/* 容器样式 (统一管理) */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

/* 清除浮动 */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* 屏幕阅读器专用（隐藏但保留可访问性） */
.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;
}

/* =========================================
   导航栏 (Header & Nav)
   ========================================= */
header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    letter-spacing: -0.5px;
}
.logo span { 
    color: var(--text-main); 
    font-weight: 400; 
}

.menu { 
    display: flex; 
    gap: 30px; 
}
.menu a {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-left: 20px;
    padding: 8px 0;
    position: relative;
}
.menu a:hover, .menu a.active { color: var(--primary); }
.menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 移动端菜单按钮（新增） */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-main);
    cursor: pointer;
}

/* =========================================
   通用布局 & 内容区域 (Layout & Content)
   ========================================= */
.main-grid {
    display: grid;
    grid-template-columns: 7fr 3fr;
    gap: var(--spacing-xl);
    margin: var(--spacing-md) 0;
}

.content-area {
    max-width: 100%;
    overflow: auto;
}

.breadcrumb { 
    padding: 25px 5px 10px; 
    font-size: 0.9rem; 
    color: var(--text-light);
}
.breadcrumb a {
    color: var(--primary);
}

/* 通用标题样式 */
.section-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

/* =========================================
   通用侧边栏组件 (Sidebar Widgets)
   ========================================= */
.sidebar { 
    display: flex; 
    flex-direction: column; 
    gap: var(--spacing-sm); 
}

.widget {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.widget-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.widget-title svg { 
    width: 20px; 
    height: 20px; 
    color: var(--primary); 
}

/* 侧边栏列表通用样式 */
.side-list li {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid #f3f4f6;
}
.side-list li:last-child { 
    border: none; 
    margin: 0; 
    padding: 0; 
}

.side-link {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1.4;
    transition: transform var(--transition-base);
}
.side-link:hover { 
    color: var(--primary); 
    transform: translateX(5px); 
}

.side-meta {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
    display: block;
}

/* 热点文章列表 */
.hot-list { counter-reset: hot-counter; }
.hot-list li {
    position: relative;
    padding-left: 30px;
    border: none !important;
    margin-bottom: 12px;
}
.hot-list li::before {
    counter-increment: hot-counter;
    content: counter(hot-counter);
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    background: #f3f4f6;
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 700;
    text-align: center;
    line-height: 20px;
    border-radius: var(--radius-xs);
    transition: var(--transition-base);
}
.hot-list li:nth-child(1)::before { background: #ef4444; color: white; }
.hot-list li:nth-child(2)::before { background: #f97316; color: white; }
.hot-list li:nth-child(3)::before { background: #eab308; color: white; }
.hot-list li:hover::before { 
    background: var(--primary); 
    color: white; 
}

/* 标签云 */
.tags-cloud { 
    display: flex; 
    flex-wrap: wrap; 
    gap: var(--spacing-sm); 
}
.tag-item {
    background: #f9fafb;
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition-base);
}
.tag-item:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* 作者卡片 (内容页专用) */
.author-card { text-align: center; }
.author-card img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    border: 3px solid var(--primary-light);
}
.author-card h4 { 
    font-size: 1.1rem; 
    margin-bottom: var(--spacing-xs); 
    color: var(--text-main); 
}
.author-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

/* 社交链接 */
.social-links { 
    display: flex; 
    justify-content: center; 
    gap: var(--spacing-sm); 
}
.social-icon {
    width: 32px;
    height: 32px;
    background: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-slow);
}
.social-icon:hover { 
    background: var(--primary); 
    color: white; 
}

/* 目录导航 (内容页专用) */
.toc-list li { margin-bottom: var(--spacing-sm); }
.toc-link {
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: block;
    padding: 5px 0;
    border-left: 2px solid transparent;
    padding-left: var(--spacing-sm);
    transition: var(--transition-base);
}
.toc-link:hover { 
    color: var(--primary); 
    border-left-color: var(--primary); 
}
.toc-link.level-2 { 
    font-weight: 600; 
    color: var(--text-main); 
}
.toc-link.level-3 { 
    font-size: 0.9rem; 
    padding-left: var(--spacing-md); 
    color: var(--text-light); 
}

/* =========================================
   首页特有样式 (Home Page)
   ========================================= */
.hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: var(--radius);
    padding: 60px 40px;
    color: white;
    text-align: center;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow);
    margin-top: 15px;
}
.hero h1 { 
    font-size: 2.5rem; 
    margin-bottom: var(--spacing-md); 
    font-weight: 800; 
}
.hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border);
}
.section-header .section-title {
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
}
.section-header .section-title::before {
    content: '';
    display: block;
    width: 6px;
    height: 24px;
    background: var(--primary);
    border-radius: var(--radius-xs);
}

/* 文章卡片 & 列表项 (合并重复样式) */
.post-card, .list-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: var(--spacing-xl);
    margin-bottom: 25px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}
.list-item {
    padding: 25px;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
}
.post-card:hover, .list-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}
.list-item:hover {
    transform: translateY(-2px);
}

/* 文章元信息 (合并重复样式) */
.post-meta, .list-meta, .article-meta-mini {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-light);
}
.post-meta, .list-meta { margin-bottom: 12px; }
.article-meta-mini {
    font-size: 0.75rem;
    margin: 0;
}

/* 文章标签 (合并重复样式) */
.post-tag, .list-tag, .tag-pill {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    border-radius: var(--radius-xs);
    padding: 4px 10px;
    font-size: 0.8rem;
}
.list-tag {
    padding: 2px 8px;
    font-size: 0.85rem;
    border-radius: var(--radius-xs);
}
.tag-pill {
    border-radius: 20px;
    font-size: 0.85rem;
    padding: 4px 12px;
}

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

/* 文章标题 (合并重复样式) */
.post-title, .list-title, .article-list-title {
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 12px;
}
.post-title { font-size: 1.6rem; }
.list-title { 
    font-size: 1.4rem; 
    margin-bottom: var(--spacing-sm);
}
.article-list-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}
.post-title a:hover, .list-title a:hover, .article-list-title a:hover { 
    color: var(--primary); 
}

/* 文章摘要 (合并重复样式) */
.post-excerpt, .list-excerpt {
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-excerpt {
    font-size: 1.05rem;
    margin-bottom: var(--spacing-lg);
}
.list-excerpt {
    font-size: 0.95rem;
    -webkit-line-clamp: 2;
}

/* 文章底部 (合并重复样式) */
.post-footer, .list-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-md);
}
.list-footer {
    margin-top: var(--spacing-sm);
    border-top-color: #f3f4f6;
}

.author-info { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-sm); 
    font-size: 0.9rem; 
    font-weight: 500; 
}
.author-avatar, .avatar { 
    width: 32px; 
    height: 32px; 
    background: #ddd; 
    border-radius: 50%; 
    background-size: cover; 
}
.avatar {
    width: 36px;
    height: 36px;
}

/* 阅读更多按钮 (合并重复样式) */
.read-more-btn, .read-link {
    color: var(--primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}
.read-more-btn { font-size: 0.95rem; }
.read-link { font-size: 0.9rem; }

/* =========================================
   列表页特有样式 (List Page)
   ========================================= */
.page-header { margin-bottom: var(--spacing-xl); }
.page-title { 
    font-size: 2rem; 
    font-weight: 800; 
    color: var(--text-main); 
    margin-bottom: var(--spacing-sm); 
}
.page-desc { color: var(--text-secondary); }

/* 筛选栏 */
.filter-bar {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: 25px;
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
    scrollbar-width: thin; /* 火狐滚动条优化 */
}
.filter-bar::-webkit-scrollbar {
    height: 6px;
}
.filter-bar::-webkit-scrollbar-track {
    background: transparent;
}
.filter-bar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition-base);
}
.filter-btn.active, .filter-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* 分页 */
.pagination { 
    display: flex; 
    justify-content: center; 
    gap: var(--spacing-sm); 
    margin-top: var(--spacing-xl); 
}
.page-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-weight: 600;
    transition: var(--transition-base);
}
.page-btn.active { 
    background: var(--primary); 
    color: white; 
    border-color: var(--primary); 
}
.page-btn:hover:not(.active) { 
    background: var(--primary-light); 
    color: var(--primary); 
}

/* =========================================
   内容页特有样式 (Article Page)
   ========================================= */
.article-container {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
}

.article-header { 
    padding: 50px 50px 30px; 
    border-bottom: 1px solid var(--border); 
}
.article-tags { 
    display: flex; 
    gap: var(--spacing-sm); 
    margin-bottom: var(--spacing-lg); 
}
.article-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}
.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    color: var(--text-light);
    font-size: 0.95rem;
}
.author-block { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-sm); 
    color: var(--text-secondary); 
    font-weight: 500; 
}

/* 文章内容 */
.article-content { 
    padding: 50px; 
    font-size: 1.125rem; 
    color: #374151; 
    line-height: 1.8; 
}
.article-content p { 
    margin-bottom: 24px; 
    text-align: justify; 
}
.article-content h2 {
    font-size: 1.6rem;
    color: var(--text-main);
    margin: 50px 0 20px 0;
    font-weight: 700;
    border-left: 5px solid var(--primary);
    padding-left: 15px;
    scroll-margin-top: 100px;
}
.article-content h3 {
    font-size: 1.3rem;
    color: var(--text-main);
    margin: 35px 0 15px 0;
    font-weight: 600;
}
.article-content ul, .article-content ol { 
    margin-bottom: 24px; 
    padding-left: 25px; 
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 10px; }

/* 文章内链特殊样式 */
.article-content a.internal-link {
    color: red !important;
    text-decoration: underline !important;
    font-weight: 500 !important;
}

/* 摘要框 */
.abstract-box {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 20px 25px;
    margin-bottom: 30px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* 图片与引用 */
figure { 
    margin: 35px 0; 
    text-align: center; 
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: block;
    margin: 0 auto;
}
figcaption {
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-light);
}

blockquote {
    margin: 30px 0;
    padding: 20px 30px;
    background: #f9fafb;
    border-left: 4px solid var(--text-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    font-style: italic;
}

code {
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    font-family: "Consolas", monospace;
    font-size: 0.9em;
    color: #ef4444;
}

/* 代码块样式优化（新增） */
pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 16px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 24px 0;
}
pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* 文章底部 */
.article-footer {
    padding: 30px 50px;
    background: #f9fafb;
    border-top: 1px solid var(--border);
}
.footer-tags { 
    margin-bottom: var(--spacing-xl); 
    display: flex; 
    gap: var(--spacing-sm); 
    flex-wrap: wrap; 
}
.footer-tag {
    color: var(--text-secondary);
    font-size: 0.9rem;
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: var(--radius-xs);
    transition: var(--transition-base);
}
.footer-tag:hover { 
    border-color: var(--primary); 
    color: var(--primary); 
}

/* 文章导航 */
.post-nav { 
    display: flex; 
    justify-content: space-between; 
    gap: var(--spacing-lg); 
}
.nav-item { flex: 1; }
.nav-item.next { text-align: right; }
.nav-label { 
    font-size: 0.85rem; 
    color: var(--text-light); 
    margin-bottom: var(--spacing-xs); 
    display: block; 
}
.nav-title { 
    font-weight: 600; 
    color: var(--text-main); 
}

/* =========================================
   天气相关样式 (Weather Module)
   ========================================= */
/* 实时天气卡片 */
.current-weather-card {
    background: linear-gradient(135deg, #A1AFC4 0%, #B0BDD1 100%);
    color: white;
    border-radius: var(--radius);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(161, 175, 196, 0.4);
}

.cw-top { 
    display: flex; 
    justify-content: space-between; 
    align-items: flex-start; 
    margin-bottom: var(--spacing-lg); 
}
.cw-location h1 { 
    font-size: 2rem; 
    margin: 0; 
    font-weight: 700; 
}
.cw-location p { 
    margin: 5px 0 0 0; 
    opacity: 0.9; 
    font-size: 0.95rem; 
}
.cw-update { 
    font-size: 0.85rem; 
    opacity: 0.8; 
    background: rgba(255,255,255,0.2); 
    padding: 4px 10px; 
    border-radius: 20px; 
}

.cw-main { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-xl); 
}
.cw-temp-box { 
    display: flex; 
    flex-direction: column; 
}
.cw-temp { 
    font-size: 5rem; 
    font-weight: 800; 
    line-height: 1; 
    letter-spacing: -2px; 
}
.cw-desc { 
    font-size: 1.5rem; 
    font-weight: 500; 
    margin-top: var(--spacing-xs); 
}
.cw-icon-large { 
    font-size: 4.5rem; 
    opacity: 0.9; 
}

.cw-details { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: var(--spacing-md); 
    margin-top: var(--spacing-xl); 
    background: rgba(255,255,255,0.15); 
    padding: var(--spacing-lg); 
    border-radius: var(--radius-sm); 
    backdrop-filter: blur(5px); 
}
.cw-item { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-sm); 
    font-size: 0.95rem; 
}
.cw-item i { 
    width: 20px; 
    text-align: center; 
    opacity: 0.8; 
}

/* 逐小时预报 */
.hourly-outer-wrap {
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-xs); 
}

.hourly-scroll-container {
    max-width: 1000px;
    height: 160px; 
    overflow-x: auto;
    overflow-y: hidden;
    display: block;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.hourly-scroll-container::-webkit-scrollbar {
    height: 6px;
}
.hourly-scroll-container::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 3px;
}
.hourly-scroll-container::-webkit-scrollbar-thumb {
    background: #c7d2e0;
    border-radius: 3px;
}
.hourly-scroll-container::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

.hourly-scroll-content {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    flex-wrap: nowrap;
    padding: 0 var(--spacing-sm);
    min-width: max-content;
}

.hour-item {
    flex: 0 0 auto; 
    width: 80px;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 15px 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-right: 12px; 
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.hour-item:last-child {
    margin-right: 0;
}

.h-time {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}
.h-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}
.h-temp {
    font-weight: 700;
    color: var(--text-main);
    font-size: 1.1rem;
}
.h-wind {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* 未来7天预报 */
.forecast-list { 
    background: var(--bg-card); 
    border: 1px solid var(--border); 
    border-radius: var(--radius); 
    overflow: hidden; 
    margin-bottom: var(--spacing-xl); 
}
.forecast-row { 
    display: grid; 
    grid-template-columns: 1fr 1fr 2fr 1fr 1fr 1fr; 
    align-items: center; 
    padding: 15px 20px; 
    border-bottom: 1px solid #f3f4f6; 
    transition: var(--transition-base); 
}
.forecast-row:last-child { border: none; }
.forecast-row:hover { background: #f8fafc; }

.f-date { font-weight: 600; color: var(--text-main); }
.f-aqi { 
    font-size: 0.8rem; 
    padding: 2px 6px; 
    border-radius: var(--radius-xs); 
    background: #e2e8f0; 
    color: #475569; 
    text-align: center; 
    display: inline-block;
}
.f-aqi.good { background: #dcfce7; color: #166534; }
.f-aqi.mod { background: #fef9c3; color: #854d0e; }
.f-aqi.bad { background: #fee2e2; color: #991b1b; }

.f-weather { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-sm); 
    color: var(--text-secondary); 
    font-size: 0.95rem; 
}
.f-temp { 
    text-align: center; 
    font-weight: 700; 
    color: var(--text-main); 
}
.f-wind { 
    text-align: right; 
    font-size: 0.85rem; 
    color: var(--text-light); 
}

/* 生活指数 */
.index-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); 
    gap: var(--spacing-lg); 
}
.index-card { 
    background: var(--bg-card); 
    border: 1px solid var(--border); 
    border-radius: var(--radius); 
    padding: var(--spacing-lg); 
    transition: var(--transition-slow); 
}
.index-card:hover { 
    transform: translateY(-3px); 
    box-shadow: var(--shadow-hover); 
    border-color: var(--primary-light); 
}

.idx-header { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-sm); 
    margin-bottom: 12px; 
}
.idx-icon { 
    width: 40px; 
    height: 40px; 
    background: var(--primary-light); 
    border-radius: var(--radius-sm); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    color: var(--primary); 
    font-size: 1.2rem; 
}
.idx-title { 
    font-weight: 700; 
    color: var(--text-main); 
    font-size: 1rem; 
}
.idx-level { 
    font-size: 0.8rem; 
    font-weight: 600; 
    color: var(--primary); 
    background: var(--primary-light); 
    padding: 2px 8px; 
    border-radius: 10px; 
    margin-left: auto; 
}
.idx-detail { 
    font-size: 0.9rem; 
    color: var(--text-secondary); 
    line-height: 1.5; 
}

/* 日出日落 */
.sun-moon-widget { 
    display: flex; 
    justify-content: space-around; 
    background: linear-gradient(to right, #fffbeb, #eff6ff); 
    padding: var(--spacing-lg); 
    border-radius: var(--radius); 
    margin-bottom: var(--spacing-xl); 
    border: 1px solid #fde68a; 
}
.sm-item { text-align: center; }
.sm-label { 
    font-size: 0.85rem; 
    color: var(--text-secondary); 
    margin-bottom: var(--spacing-xs); 
}
.sm-time { 
    font-size: 1.2rem; 
    font-weight: 700; 
    color: var(--text-main); 
}
.sm-icon { 
    font-size: 1.5rem; 
    margin-bottom: var(--spacing-xs); 
    display: block; 
}
.sm-icon.sun { color: #f59e0b; }
.sm-icon.moon { color: #6366f1; }

/* =========================================
   功能模块样式 (Functional Modules)
   ========================================= */
/* 搜索框 */
.search-box { 
    display: flex; 
    gap: var(--spacing-sm); 
    margin-bottom: var(--spacing-xl); 
}
.search-input { 
    flex: 1; 
    padding: 12px 20px; 
    border: 1px solid var(--border); 
    border-radius: var(--radius); 
    outline: none; 
    font-size: 1rem;
    transition: var(--transition-base);
}
.search-input:focus { 
    border-color: var(--primary); 
    box-shadow: 0 0 0 3px var(--primary-light); 
}
.search-btn { 
    padding: 0 25px; 
    background: var(--primary); 
    color: white; 
    border: none; 
    border-radius: var(--radius); 
    cursor: pointer; 
    font-weight: 600; 
    font-size: 1rem; 
    transition: var(--transition-base); 
}
.search-btn:hover { 
    background: var(--primary-dark); 
    transform: translateY(-1px); 
}

/* 横向一周日历 */
.week-calendar-wrapper {
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}
.week-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr); 
    gap: 12px;
    min-width: 600px;
}
.day-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 15px 10px;
    text-align: center;
    transition: var(--transition-slow);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.day-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}
.day-card.today {
    background: linear-gradient(135deg, var(--primary-light), #ffffff);
    border: 2px solid var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}
.day-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}
.day-date {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 8px;
    display: block;
}
.day-icon {
    font-size: 2rem;
    margin: 8px 0;
    color: var(--primary);
}
.day-icon.rain { color: #60a5fa; }
.day-icon.sun { color: #fbbf24; }
.day-icon.cloud { color: #9ca3af; }
.day-icon.snow { color: #3b82f6; }
.day-icon.wind { color: #64748b; }
.day-icon.thunder { color: #f472b6; }
.day-temp-range {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-main);
    margin-top: auto;
    padding-top: 5px;
}
.day-temp-low {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}
.day-condition {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

/* 区域省份列表 */
.region-group {
    margin-bottom: 25px;
}
.region-group:last-child { margin-bottom: 0; }
.region-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-left: var(--spacing-xs);
    border-left: 4px solid var(--primary);
}
.region-title i { 
    color: var(--primary-light); 
    font-size: 0.9rem; 
}
.province-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
    gap: var(--spacing-sm);
}
.province-link {
    display: block;
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    padding: 8px 5px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-base);
}
.province-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 迷你文章列表 */
.article-mini-list { 
    display: flex; 
    flex-direction: column; 
    gap: var(--spacing-md); 
}
.article-mini-item { 
    display: flex; 
    gap: var(--spacing-md); 
    align-items: flex-start; 
    padding-bottom: var(--spacing-md); 
    border-bottom: 1px solid #f3f4f6; 
    transition: var(--transition-base); 
}
.article-mini-item:last-child { 
    border: none; 
    padding: 0; 
}
.article-mini-item:hover .article-thumb { 
    transform: scale(1.05); 
}
.article-thumb { 
    width: 80px; 
    height: 60px; 
    background: #e2e8f0; 
    border-radius: var(--radius-xs); 
    flex-shrink: 0; 
    background-size: cover; 
    background-position: center; 
    transition: transform var(--transition-slow); 
}
.article-info h4 { 
    font-size: 0.95rem; 
    font-weight: 600; 
    color: var(--text-main); 
    margin-bottom: var(--spacing-xs); 
    line-height: 1.4; 
}

/* 文章列表网格 */
.article-list-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}
.article-list-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--transition-base);
}
.article-list-item:last-child {
    border-bottom: none;
}
.article-list-item:hover {
    background-color: var(--bg-card);
    border-radius: var(--radius);
}
.article-list-date {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* 地区面包屑 & 城市列表 */
.location-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.location-breadcrumb h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-main);
}

.location-breadcrumb span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 城市列表网格 */
.city-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-lg); 
}

.city-card { 
    background: var(--bg-card); 
    border: 1px solid var(--border); 
    border-radius: var(--radius); 
    padding: var(--spacing-lg); 
    text-align: center; 
    transition: var(--transition-slow); 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.city-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

.city-card:hover { 
    transform: translateY(-5px); 
    box-shadow: var(--shadow-hover); 
    border-color: var(--primary-light);
}

.city-card:hover::before {
    transform: scaleX(1);
}

.city-icon-wrapper {
    width: 50px;
    height: 50px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: var(--transition-base);
}

.city-card:hover .city-icon-wrapper {
    background: var(--primary);
}

.city-icon { 
    font-size: 1.5rem; 
    color: var(--primary); 
    transition: var(--transition-base);
}

.city-card:hover .city-icon {
    color: white;
}

.city-name { 
    font-weight: 600; 
    font-size: 1rem; 
    color: var(--text-main); 
    word-break: break-all;
}

.city-name a {
    color: inherit;
    text-decoration: none;
}

.city-name a:hover {
    text-decoration: underline;
}

.city-link {
    text-decoration: none;
    color: inherit;
    width: 100%;
    height: 100%;
}

/* 错误信息样式 */
.error-message {
    color: #ef4444;
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    padding: 1rem;
    border-radius: var(--radius);
    margin: var(--spacing-lg) 0;
    text-align: center;
}

/* 大区页面图标样式 */
.region-icon { 
    font-size: 1.8rem; 
    color: #007bff; 
}

/* =========================================
   页脚 (Footer)
   ========================================= */
footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: auto;
}

/* =========================================
   响应式适配 (Responsive)
   ========================================= */
@media (max-width: 1024px) {
    .main-grid { grid-template-columns: 1fr; }
    .sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
    .article-content, .article-header, .article-footer { padding: var(--spacing-xl); }
    .container { max-width: 1200px; }
}

@media (max-width: 768px) {
    /* 导航栏 */
    .nav-inner {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
        gap: var(--spacing-md);
    }
    .menu { 
        display: none;
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }
    .menu-toggle {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
    }
    .menu a {
        margin-left: 0;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--border);
    }
    
    /* 布局 */
    .sidebar { grid-template-columns: 1fr; }
    .container { padding: 0 var(--spacing-sm); }
    
    /* 日历 */
    .week-calendar-grid {
        grid-template-columns: repeat(7, 1fr);
        min-width: 100%; 
    }
    
    /* 省份列表 */
    .province-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* 文章列表 */
    .article-list-grid {
        grid-template-columns: 1fr;
    }
    
    /* 首页 */
    .hero { padding: 40px 20px; }
    .hero h1 { font-size: 1.8rem; }
    
    /* 文章卡片 */
    .post-card, .list-item { padding: var(--spacing-lg); }
    .post-title, .list-title { font-size: 1.3rem; }
    
    /* 内容页 */
    .article-title { font-size: 1.6rem; }
    .post-nav { 
        flex-direction: column; 
        gap: var(--spacing-lg); 
    }
    .nav-item.next { text-align: left; }
    
    /* 天气模块 */
    .cw-temp { font-size: 3.5rem; }
    .cw-main { 
        flex-direction: column; 
        align-items: flex-start; 
        gap: var(--spacing-md); 
    }
    .forecast-row { 
        grid-template-columns: 1fr 1fr 1fr !important; 
        gap: var(--spacing-sm); 
        padding: 12px 10px !important;
    }
    .f-weather { 
        grid-column: 1 / -1; 
        order: 2; 
    }
    .f-temp { 
        order: 3; 
        text-align: left; 
    }
    .f-wind { 
        order: 4; 
        text-align: left; 
        font-size: 0.8rem; 
    }
    .f-aqi { order: 5; }
    .f-weather span:last-child { display: none; }
    
    /* 逐小时预报 */
    .hour-item {
        width: 70px !important;
        padding: 12px 6px !important;
    }
    .h-icon {
        font-size: 1.2rem !important;
    }
}

@media (max-width: 600px) {
    .city-grid { grid-template-columns: repeat(2, 1fr); }
    
    /* 天气模块进一步适配 */
    .cw-details {
        grid-template-columns: 1fr;
    }
    
    /* 文章内容适配 */
    .article-content {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
    .article-header, .article-footer {
        padding: var(--spacing-md);
    }
}

@media (min-width: 769px) {
    .article-list-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* 深色模式适配（可选新增） */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #60a5fa;
        --primary-dark: #3b82f6;
        --primary-light: #1e3a8a;
        --text-main: #f1f5f9;
        --text-secondary: #94a3b8;
        --text-light: #64748b;
        --bg-body: #0f172a;
        --bg-card: #1e293b;
        --border: #334155;
    }
    
    .article-content {
        color: #e2e8f0;
    }
    
    pre {
        background: #0f172a;
        border: 1px solid #334155;
    }
}

.friendlinks {max-width:1400Px;margin:15Px auto;text-align:left;width:100%}
.friendlinks a {line-height:25Px;margin:5Px 15Px}