*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#1a73e8;--text:#1a1a1a;--text-light:#555;--bg:#fff;--bg-alt:#f8f9fa;--border:#e0e0e0;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,.08);--max-w:1280px;--header-h:60px}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;min-height:100vh}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* Container */
.container{max-width:var(--max-w);margin:0 auto;padding:0 16px}

/* Header */
.site-header{background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;height:var(--header-h);contain:layout style}
.header-inner{display:flex;align-items:center;height:100%;gap:16px}
.site-logo{display:flex;align-items:center;flex-shrink:0;text-decoration:none}
.site-name{font-size:1.25rem;font-weight:700;color:var(--text)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--text);transition:.3s}
.nav-menu{flex:1;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.nav-menu::-webkit-scrollbar{display:none}
.menu-list{display:flex;list-style:none;gap:4px;white-space:nowrap}
.menu-item>a{display:block;padding:8px 12px;color:var(--text);font-size:.875rem;font-weight:500;border-radius:var(--radius);transition:background .2s}
.menu-item>a:hover{background:var(--bg-alt);text-decoration:none}
.has-children{position:relative}
.sub-menu{display:none;position:absolute;top:100%;left:0;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);list-style:none;min-width:200px;z-index:100;padding:4px 0}
.has-children:hover .sub-menu{display:block}
.sub-menu a{display:block;padding:8px 16px;color:var(--text);font-size:.875rem}
.sub-menu a:hover{background:var(--bg-alt);text-decoration:none}

/* Auto category menu */
.auto-menu-list{display:flex;list-style:none;gap:2px;white-space:nowrap;flex-wrap:nowrap;overflow:hidden}
.auto-menu-item>a{display:block;padding:8px 10px;color:var(--text);font-size:.8125rem;font-weight:500;border-radius:var(--radius);transition:background .2s;white-space:nowrap}
.auto-menu-item>a:hover{background:var(--bg-alt);text-decoration:none;color:var(--primary)}
.auto-menu-more{position:relative}
.auto-menu-more>button{display:flex;align-items:center;gap:4px;padding:8px 10px;background:none;border:none;color:var(--text);font-size:.8125rem;font-weight:500;cursor:pointer;border-radius:var(--radius);transition:background .2s}
.auto-menu-more>button:hover{background:var(--bg-alt)}
.auto-menu-dropdown{display:none;position:absolute;top:100%;right:0;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 4px 16px rgba(0,0,0,.12);list-style:none;min-width:220px;max-height:400px;overflow-y:auto;z-index:200;padding:4px 0}
.auto-menu-more:hover .auto-menu-dropdown{display:block}
.auto-menu-dropdown a{display:block;padding:8px 16px;color:var(--text);font-size:.8125rem}
.auto-menu-dropdown a:hover{background:var(--bg-alt);color:var(--primary);text-decoration:none}
@media(max-width:768px){
  .auto-menu-list{flex-direction:column;gap:0;overflow:visible}
  .auto-menu-item>a{padding:12px 16px;font-size:1rem}
  .auto-menu-more{display:none}
}

/* Main */
.main-content{min-height:60vh;padding:24px 0}
.section-label{font-size:1.25rem;font-weight:700;margin-bottom:16px;color:var(--text)}
.category-desc{color:var(--text-light);margin-bottom:16px;font-size:.9375rem}
.category-dates{font-size:.8125rem;color:var(--text-light);display:flex;gap:16px;flex-wrap:wrap;margin-bottom:16px}

/* Grid layouts */
.home-grid{display:grid;grid-template-columns:1fr 300px;gap:32px}
/* Post layout: content LEFT, sidebar RIGHT */
.post-layout{display:grid;grid-template-columns:1fr 280px;gap:32px}
.page-layout{max-width:800px}

/* Author page */
.author-page-header{display:flex;gap:24px;align-items:flex-start;margin-bottom:32px;padding:24px;background:var(--bg-alt);border-radius:var(--radius)}
.author-page-avatar{width:120px;height:120px;border-radius:50%;object-fit:cover;flex-shrink:0}
.author-page-info h1{margin-bottom:8px}
.author-page-bio{color:var(--text-light);margin-bottom:12px;line-height:1.7}
@media(max-width:600px){.author-page-header{flex-direction:column;align-items:center;text-align:center}.author-page-avatar{width:80px;height:80px}}

/* Post cards */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s;contain:layout style}
.post-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.1)}
.post-card-link{display:block;color:inherit;text-decoration:none}
.post-card-img{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.post-card-img img{width:100%;height:100%;object-fit:cover}
.post-card-body{padding:16px}
.post-card-cat{font-size:.75rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.5px}
.post-card-title{font-size:1rem;font-weight:600;margin:6px 0 8px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card-excerpt{font-size:.875rem;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.post-card-meta{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-light)}

/* Sidebar */
.sidebar{min-width:0}
.sidebar-section{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.sidebar-title{font-size:.9375rem;font-weight:700;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.sidebar-list{list-style:none}
.sidebar-list li{border-bottom:1px solid var(--border)}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list a{display:flex;justify-content:space-between;padding:8px 0;font-size:.875rem;color:var(--text)}
.sidebar-list a:hover{color:var(--primary);text-decoration:none}
.sidebar-list a.active{color:var(--primary);font-weight:600}
.sidebar-list span{color:var(--text-light);font-size:.8rem}
.sidebar-post-list{list-style:none}
.sidebar-post-list li{border-bottom:1px solid var(--border);padding:8px 0}
.sidebar-post-list li:last-child{border-bottom:none}
.sidebar-post-list a{font-size:.8125rem;color:var(--text);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sidebar-post-list a:hover{color:var(--primary);text-decoration:none}

/* Sticky sidebar ad */
.ad-sticky{position:sticky;top:calc(var(--header-h) + 16px)}

/* Post page */
.post-content{min-width:0}
.post-content h1{font-size:2rem;line-height:1.2;margin-bottom:16px;font-weight:800}
.author-box{display:flex;gap:12px;padding:16px;background:var(--bg-alt);border-radius:var(--radius);margin-bottom:20px;align-items:flex-start}
.author-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0}
.author-name{font-weight:700;font-size:.9375rem}
.post-dates{font-size:.8125rem;color:var(--text-light);display:flex;gap:16px;flex-wrap:wrap}
.author-bio{font-size:.875rem;color:var(--text-light);margin-top:4px}
.author-links{display:flex;gap:12px;margin-top:4px}
.author-links a{font-size:.8125rem}

.post-banner{margin-bottom:24px;border-radius:var(--radius);overflow:hidden}
.post-banner img{width:100%;aspect-ratio:16/9;object-fit:cover}

.post-body{font-size:1.0625rem;line-height:1.8;color:var(--text)}
.post-body h2{font-size:1.5rem;margin:2rem 0 .75rem;font-weight:700}
.post-body h3{font-size:1.25rem;margin:1.5rem 0 .5rem;font-weight:600}
.post-body h4{font-size:1.125rem;margin:1.25rem 0 .5rem;font-weight:600}
.post-body p{margin-bottom:1rem}
.post-body ul,.post-body ol{margin:0 0 1rem 1.5rem}
.post-body li{margin-bottom:.25rem}
.post-body img{border-radius:var(--radius);margin:1rem 0}
.post-body blockquote{border-left:4px solid var(--primary);padding:12px 16px;margin:1rem 0;background:var(--bg-alt);border-radius:0 var(--radius) var(--radius) 0}
.post-body pre{background:#1e1e1e;color:#d4d4d4;padding:16px;border-radius:var(--radius);overflow-x:auto;margin:1rem 0;font-size:.875rem}
.post-body code{background:var(--bg-alt);padding:2px 6px;border-radius:4px;font-size:.875rem}
.post-body pre code{background:none;padding:0}
.post-body table{width:100%;border-collapse:collapse;margin:1rem 0}
.post-body th,.post-body td{border:1px solid var(--border);padding:8px 12px;text-align:left}
.post-body th{background:var(--bg-alt);font-weight:600}

/* Category footer content */
.category-footer-content{margin-top:32px;padding-top:24px;border-top:1px solid var(--border);font-size:.9375rem;line-height:1.7;color:var(--text)}
.category-footer-content p{margin-bottom:1rem}

/* Breadcrumb */
.breadcrumb{margin-bottom:16px}
.breadcrumb ol{display:flex;flex-wrap:wrap;list-style:none;font-size:.8125rem;color:var(--text-light);gap:4px}
.breadcrumb li::after{content:"/";margin-left:4px}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:4px;margin-top:32px;flex-wrap:wrap}
.page-link{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:4px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;color:var(--text);text-decoration:none}
.page-link:hover{background:var(--bg-alt);text-decoration:none}
.page-link.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.page-dots{display:inline-flex;align-items:center;padding:0 4px;color:var(--text-light)}

/* Ads */
.ad-banner{padding:8px 0;text-align:center;min-height:90px}
.ad-below-header{border-bottom:1px solid var(--border)}
.ad-above-footer{border-top:1px solid var(--border);margin-top:24px}
.ad-in-content{margin:20px 0;text-align:center;min-height:250px}
.ad-in-grid{grid-column:1/-1;text-align:center;padding:8px 0;min-height:90px}
.ad-sidebar{margin-bottom:16px;min-height:250px}

/* Related posts */
.related-posts{margin-top:40px;padding-top:32px;border-top:1px solid var(--border)}

/* Footer */
.site-footer{background:var(--text);color:#ccc;padding:40px 0 0;margin-top:40px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr;gap:32px}
.footer-brand{font-size:1.125rem;font-weight:700;color:#fff;margin-bottom:8px}
.footer-desc{font-size:.875rem;line-height:1.5}
.footer-title{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:12px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:6px}
.footer-links a{color:#ccc;font-size:.875rem}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;margin-top:32px;font-size:.8125rem;color:#999}

/* Buttons */
.btn{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--bg);color:var(--text);text-decoration:none;transition:background .2s}
.btn:hover{background:var(--bg-alt);text-decoration:none}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:#1557b0}

/* Mobile */
@media(max-width:1024px){
  .home-grid{grid-template-columns:1fr}
  .post-layout{grid-template-columns:1fr}
  .sidebar-right{order:2}
  .posts-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(min-width:769px) and (max-width:1024px){
  .footer-inner{grid-template-columns:2fr 1fr}
}
@media(max-width:768px){
  .menu-toggle{display:flex}
  .nav-menu{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:var(--shadow);padding:8px;max-height:70vh;overflow-y:auto}
  .nav-menu.open{display:block}
  .menu-list{flex-direction:column;gap:0}
  .menu-item>a{padding:12px 16px;font-size:1rem}
  .sub-menu{position:static;border:none;box-shadow:none;padding-left:16px}
  .has-children:hover .sub-menu{display:block}
  .posts-grid{grid-template-columns:1fr}
  .post-content h1{font-size:1.5rem}
  .post-body{font-size:1rem}
  .author-box{flex-direction:column}
  .footer-inner{grid-template-columns:1fr}
  .container{padding:0 12px}
  .main-content{padding:16px 0}
  .post-dates{flex-direction:column;gap:2px}
  .category-dates{flex-direction:column;gap:2px}
}
@media(max-width:480px){
  .pagination{gap:2px}
  .page-link{min-width:32px;height:32px;font-size:.8rem;padding:2px 8px}
  .post-card-body{padding:12px}
}
/* HTML Sitemap */
.sitemap-page{padding:20px 0}
.sitemap-page h1{font-size:2rem;margin-bottom:12px}
.sitemap-stats{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:24px;padding:16px 20px;background:var(--bg-alt);border-radius:var(--radius);border:1px solid var(--border)}
.sitemap-stats span{font-size:.95rem;color:var(--text-light)}
.sitemap-stats strong{color:var(--text);font-size:1.1rem}
.sitemap-az{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:24px}
.sitemap-letter{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 8px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);color:var(--text);text-decoration:none;font-weight:500;font-size:.9rem;transition:all .15s}
.sitemap-letter:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.sitemap-letter.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.sitemap-section{margin-bottom:40px}
.sitemap-section h2{font-size:1.4rem;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.sitemap-cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.sitemap-cat-card{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;transition:all .15s}
.sitemap-cat-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-1px)}
.sitemap-cat-name{color:var(--text);font-weight:500;font-size:.95rem}
.sitemap-cat-card:hover .sitemap-cat-name{color:var(--primary)}
.sitemap-cat-count{color:var(--text-light);font-size:.8rem;white-space:nowrap;margin-left:12px}
.sitemap-empty{color:var(--text-light);font-style:italic;font-size:.9rem;grid-column:1/-1}
.sitemap-quick-links .sitemap-cat-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
@media(max-width:600px){
  .sitemap-cat-grid{grid-template-columns:1fr}
  .sitemap-stats{gap:12px}
  .sitemap-letter{min-width:32px;height:32px;font-size:.8rem}
}