:root{--accent:#1e40af;--bg:#f8f9fb;--surface:#fff;--text:#1a1b22;--muted:#444653;--border:#e5e7eb;--radius:12px;--container:1280px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;background:var(--surface);border-bottom:1px solid var(--border);z-index:30}
.header-inner{display:flex;align-items:center;gap:16px;padding:14px 24px}
.branding{min-width:220px}.site-title{font-family:Manrope,sans-serif;font-size:28px;font-weight:800;color:var(--accent)}.site-tagline{margin:0;font-size:13px;color:#6b7280}
.primary-nav{flex:1}.primary-nav ul{display:flex;list-style:none;gap:18px;padding:0;margin:0;align-items:center}
.primary-nav li.current-menu-item>a{color:var(--accent);font-weight:700}
.header-search .search-form{display:flex;gap:8px}.search-field{height:40px;padding:0 12px;border:1px solid var(--border);border-radius:999px;background:#fff}.search-submit,.button{height:40px;padding:0 16px;border:none;border-radius:999px;background:var(--accent);color:#fff;cursor:pointer}
.menu-toggle{display:none}
.ad-slot{margin:20px auto;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:10px;min-height:90px;padding:8px}
.site-content{padding-top:24px;padding-bottom:48px}
.front-featured-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin-bottom:24px}.stack-list{display:grid;gap:16px}
.featured-card,.post-card,.sidebar-widget,.single-post,.archive-block,.archive-header,.page-content{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.featured-image img,.post-card-thumb img,.single-featured img{width:100%;display:block;object-fit:cover}
.featured-body,.post-card-body,.archive-header,.single-post,.page-content,.archive-block{padding:20px}
.featured-card h2{font-size:32px;line-height:1.2;margin:10px 0}
.layout-two-col{display:grid;grid-template-columns:2fr 1fr;gap:24px}.layout-two-col>div,.layout-two-col>article{min-width:0}
.section-head{margin-bottom:12px}.section-head h2{margin:0;font-family:Manrope,sans-serif}
.post-card{display:grid;grid-template-columns:230px 1fr;overflow:hidden;margin-bottom:16px}.post-card-title{font-size:23px;line-height:1.3;margin:6px 0 10px;font-family:Manrope,sans-serif}.post-card-excerpt{margin:0 0 8px;color:var(--muted)}
.post-card-cat,.chip{display:inline-block;background:#dbe7ff;color:#153ea8;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.02em}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#6b7280;align-items:center}
.sidebar-area{display:grid;gap:16px;align-content:start}.widget-title{margin:0 0 12px;font-size:18px;font-family:Manrope,sans-serif}
.topic-chip-group{display:flex;flex-wrap:wrap;gap:8px}.topic-chip{display:inline-flex;padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:#fff;font-size:13px;color:var(--muted)}.topic-chip.active,.topic-chip:hover{border-color:var(--accent);color:var(--accent)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.single-post h1{font-family:Manrope,sans-serif;font-size:40px;line-height:1.15;margin:14px 0}.post-content h2,.post-content h3{font-family:Manrope,sans-serif}.post-content p,.post-content li{color:var(--muted);font-size:18px}
.author-box{display:flex;gap:16px;align-items:flex-start;padding:16px;border:1px solid var(--border);border-radius:12px;background:#f4f7ff;margin-top:20px}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.comment-thread{margin-top:26px;background:#fff;padding:20px;border:1px solid var(--border);border-radius:12px}
.comment-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}.discussion-item{border-bottom:1px solid var(--border);padding-bottom:14px}.discussion-head{display:flex;gap:10px;align-items:center}.discussion-date{font-size:12px;color:#6b7280;margin-left:8px}.author-badge{font-size:10px;background:var(--accent);color:#fff;border-radius:999px;padding:2px 8px}.discussion-actions{display:flex;gap:12px}
.search-large .search-form{max-width:540px}
.archive-header h1,.archive-block h2,.page-content h1{font-family:Manrope,sans-serif;margin-top:0}.archive-description{color:var(--muted)}.archive-stats{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:#6b7280;margin-top:10px}
.mode-tabs{margin-top:12px}.empty-state{text-align:center}
.site-footer{border-top:1px solid var(--border);background:#fff;padding:40px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.site-footer h3{font-size:16px;margin-top:0}.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.copyright{font-size:12px;color:#6b7280}
.toc-widget{position:sticky;top:96px}
@media (max-width:1024px){.front-featured-grid,.layout-two-col,.card-grid,.post-card{grid-template-columns:1fr}.post-card{display:block}.post-card-thumb img{max-height:250px}.header-inner{flex-wrap:wrap}.primary-nav{order:4;width:100%}.primary-nav ul{display:none;flex-direction:column;align-items:flex-start}.primary-nav.is-open ul{display:flex}.menu-toggle{display:inline-flex;border:1px solid var(--border);background:#fff;border-radius:10px;padding:8px 10px}.header-search{width:100%}}