:root{--max-width: 980px;--accent: #0b61d9;--muted: #6b7280;--bg: #ffffff;--text: #111827}*{box-sizing:border-box}body{margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;color:var(--text);background:var(--bg);line-height:1.6}.container{max-width:var(--max-width);margin:0 auto;padding:1rem}.site-header{border-bottom:1px solid #eef2f6;background:#ffffff}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0}.site-title{margin:0;font-size:1.5rem}.site-title a{color:var(--accent);text-decoration:none}.site-nav a{margin-left:1rem;color:var(--accent);text-decoration:none;font-weight:500}.site-main{padding:1.5rem 0 3rem}h1{font-size:2rem;margin-top:0}h2{font-size:1.25rem;margin-top:1.25rem}.post{margin-top:1.25rem}.post .meta{color:var(--muted);font-size:0.95rem;margin-bottom:0.75rem}.site-footer{border-top:1px solid #eef2f6;padding:1rem 0;color:var(--muted);font-size:0.9rem}.article-card{padding:0.75rem 0;border-bottom:1px solid #f2f4f7}.article-card a{color:var(--accent);font-weight:600;text-decoration:none}.article-excerpt{color:var(--muted);margin-top:0.25rem;font-size:0.95rem}