:root{--bg:#ffffff;--fg:#1a1a1a;--muted:#666;--accent:#c47a1e;--border:#e5e5e5;--code-bg:#f6f6f6;--surface:#fafafa;--maxw:760px;--wide:1040px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.65}a{color:var(--accent)}.site-header{border-bottom:1px solid var(--border);padding:14px 20px;background:var(--bg)}.site-header .wrap{max-width:var(--wide);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.site-header a.brand{display:inline-flex;text-decoration:none}.site-header .brand-logo{height:48px;width:auto}.site-nav{display:flex;align-items:center;gap:6px}.site-nav a{color:var(--fg);text-decoration:none;font-size:15px;font-weight:600;padding:8px 12px;border-radius:6px;transition:background-color .12s ease,color .12s ease}.site-nav a:hover{background:var(--surface);color:var(--accent)}.container{max-width:var(--maxw);margin:0 auto}main.container{padding:36px 20px 80px}.page-head{margin-bottom:28px}.page-head h1{font-size:30px;line-height:1.15;margin:0 0 6px;letter-spacing:-.02em}.page-sub{color:var(--muted);margin:0;font-size:15px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:18px}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{text-decoration:underline}article header.post-head{margin-bottom:28px}article h1{font-size:30px;line-height:1.2;margin:0 0 8px;letter-spacing:-.02em}.post-meta{font-size:14px}.post-meta,.post-meta a{color:var(--muted)}article figure.post-featured-image{margin:0 0 32px;padding:0}article figure.post-featured-image img{display:block;width:100%;height:auto;border:1px solid var(--border);border-radius:8px}article .post-body img{max-width:100%;height:auto}article .post-body pre{background:var(--code-bg);padding:14px 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a{font-weight:600}.site-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:40px;font-size:14px}.site-footer .wrap{max-width:var(--wide);margin:0 auto;padding:0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:32px;gap:32px;padding-top:40px;padding-bottom:32px}.footer-about .footer-brand{font-weight:700;font-size:16px;color:var(--fg);text-decoration:none}.footer-about p{color:var(--muted);margin:8px 0 0;max-width:36ch}.footer-col h2{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 10px}.footer-col a{display:block;color:var(--fg);text-decoration:none;padding:3px 0}.footer-col a:hover{color:var(--accent)}.footer-legal{border-top:1px solid var(--border);padding-top:18px;padding-bottom:28px;color:var(--muted);font-size:13px}@media (max-width:640px){.site-header .wrap{justify-content:center}.site-header .brand-logo{height:40px}.footer-grid{grid-template-columns:1fr;gap:28px}.post-list li.post-card{flex-direction:column}.post-card-thumb{flex-basis:auto;width:100%;height:180px}}