:root{--color-bg: #fafaf8;--color-surface: #ffffff;--color-border: #e8e4dc;--color-text: #1a1a18;--color-muted: #6b6b5e;--color-accent: #2b6cb0;--color-accent-light: #ebf4ff;--color-tag-bg: #f0f4f0;--color-tag-text: #2d5a27;--font-sans: "Georgia", "Times New Roman", serif;--font-ui: system-ui, -apple-system, sans-serif;--max-width: 760px;--sidebar-width: 280px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:17px;scroll-behavior:smooth}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);line-height:1.75;-webkit-font-smoothing:antialiased}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;border-radius:4px}.site-wrapper{display:grid;grid-template-columns:1fr;min-height:100vh}.site-header{background:var(--color-surface);border-bottom:2px solid var(--color-border);padding:0 1.5rem}.header-inner{max-width:calc(var(--max-width) + var(--sidebar-width) + 4rem);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px;gap:1.5rem}.site-logo{display:flex;flex-direction:column;line-height:1.1;text-decoration:none}.site-logo .name{font-size:1.15rem;font-weight:700;color:var(--color-text);letter-spacing:-.02em}.site-logo .tagline{font-family:var(--font-ui);font-size:.7rem;color:var(--color-muted);text-transform:uppercase;letter-spacing:.08em}.header-nav{display:flex;gap:.25rem;font-family:var(--font-ui);font-size:.85rem}.header-nav a{color:var(--color-muted);padding:.35rem .6rem;border-radius:4px;transition:background .15s,color .15s}.header-nav a:hover{background:var(--color-accent-light);color:var(--color-accent);text-decoration:none}.content-layout{max-width:calc(var(--max-width) + var(--sidebar-width) + 4rem);margin:0 auto;padding:2.5rem 1.5rem;display:grid;grid-template-columns:1fr var(--sidebar-width);gap:3rem;align-items:start}@media(max-width:900px){.content-layout{grid-template-columns:1fr}.sidebar{display:none}}.post-list{list-style:none;display:flex;flex-direction:column;gap:0}.post-item{padding:1.75rem 0;border-bottom:1px solid var(--color-border)}.post-item:first-child{padding-top:0}.post-meta{display:flex;align-items:center;gap:.6rem;font-family:var(--font-ui);font-size:.75rem;color:var(--color-muted);margin-bottom:.5rem}.post-topic{background:var(--color-tag-bg);color:var(--color-tag-text);padding:.15rem .5rem;border-radius:3px;font-weight:600;text-transform:capitalize}.post-title{font-size:1.25rem;font-weight:700;line-height:1.3;margin-bottom:.5rem;color:var(--color-text)}.post-title a{color:inherit}.post-title a:hover{color:var(--color-accent);text-decoration:none}.post-excerpt{font-size:.95rem;color:var(--color-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.read-more{display:inline-block;margin-top:.6rem;font-family:var(--font-ui);font-size:.8rem;font-weight:600;color:var(--color-accent)}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:2.5rem;padding-top:2rem;border-top:1px solid var(--color-border);font-family:var(--font-ui);font-size:.875rem}.pagination a{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text);padding:.5rem 1rem;border-radius:5px;transition:border-color .15s}.pagination a:hover{border-color:var(--color-accent);text-decoration:none}.pagination .page-info{color:var(--color-muted)}.sidebar{position:sticky;top:2rem}.sidebar-widget{margin-bottom:2rem}.sidebar-widget h3{font-family:var(--font-ui);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--color-muted);margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid var(--color-border)}.topic-list{list-style:none;display:flex;flex-direction:column;gap:.2rem}.topic-list li a{display:flex;justify-content:space-between;align-items:center;padding:.3rem 0;font-family:var(--font-ui);font-size:.85rem;color:var(--color-text);border-bottom:1px solid transparent}.topic-list li a:hover{color:var(--color-accent);text-decoration:none}.topic-count{font-size:.75rem;color:var(--color-muted);background:var(--color-tag-bg);padding:.1rem .4rem;border-radius:10px}.recent-posts{list-style:none;display:flex;flex-direction:column;gap:.75rem}.recent-posts li a{font-family:var(--font-ui);font-size:.85rem;color:var(--color-text);line-height:1.4}.recent-posts li a:hover{color:var(--color-accent)}.article-layout{max-width:calc(var(--max-width) + var(--sidebar-width) + 4rem);margin:0 auto;padding:2.5rem 1.5rem;display:grid;grid-template-columns:1fr var(--sidebar-width);gap:3rem;align-items:start}@media(max-width:900px){.article-layout{grid-template-columns:1fr}}.article-header{margin-bottom:2rem}.article-header .post-meta{margin-bottom:.75rem}.article-title{font-size:2rem;font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--color-text);margin-bottom:1rem}.article-divider{border:none;border-top:2px solid var(--color-border);margin:1.5rem 0 2rem}.prose{font-size:1.05rem;line-height:1.8}.prose p{margin-bottom:1.4rem}.prose h2{font-size:1.4rem;font-weight:700;margin:2.5rem 0 .75rem;line-height:1.3}.prose h3{font-size:1.15rem;font-weight:700;margin:2rem 0 .6rem}.prose h4{font-size:1rem;font-weight:700;margin:1.5rem 0 .5rem}.prose ul,.prose ol{padding-left:1.5rem;margin-bottom:1.4rem}.prose li{margin-bottom:.4rem}.prose blockquote{border-left:3px solid var(--color-accent);margin:1.5rem 0;padding:.5rem 0 .5rem 1.25rem;color:var(--color-muted);font-style:italic}.prose strong{font-weight:700}.prose em{font-style:italic}.prose a{color:var(--color-accent)}.prose code{background:#f4f4f0;padding:.1em .35em;border-radius:3px;font-size:.9em;font-family:Courier New,monospace}.back-link{display:inline-flex;align-items:center;gap:.3rem;font-family:var(--font-ui);font-size:.8rem;color:var(--color-muted);margin-bottom:2rem;padding:.4rem .7rem;border-radius:4px;border:1px solid var(--color-border);background:var(--color-surface)}.back-link:hover{color:var(--color-accent);text-decoration:none;border-color:var(--color-accent)}.topic-header{margin-bottom:2.5rem}.topic-header h1{font-size:1.75rem;font-weight:700;text-transform:capitalize;margin-bottom:.4rem}.topic-header p{color:var(--color-muted);font-family:var(--font-ui);font-size:.9rem}.site-footer{background:var(--color-surface);border-top:1px solid var(--color-border);padding:2.5rem 1.5rem;margin-top:4rem}.footer-inner{max-width:calc(var(--max-width) + var(--sidebar-width) + 4rem);margin:0 auto;display:grid;grid-template-columns:1fr auto;gap:1.5rem;align-items:center}.footer-copy{font-family:var(--font-ui);font-size:.8rem;color:var(--color-muted)}.footer-links{display:flex;gap:1rem;font-family:var(--font-ui);font-size:.8rem}.footer-links a{color:var(--color-muted)}.footer-links a:hover{color:var(--color-accent)}.empty-state{padding:4rem 2rem;text-align:center;background:var(--color-surface);border-radius:8px;border:1px dashed var(--color-border)}.empty-state h2{font-size:1.2rem;margin-bottom:.5rem}.empty-state p{color:var(--color-muted);font-family:var(--font-ui);font-size:.9rem}