:root{--primary:#3B82F6;--secondary:#8B5CF6;--success:#16A34A;--warning:#D97706;--danger:#DC2626;--surface:#FFFFFF;--ink:#111827;--muted:#6B7280;--bg:#F9FAFB;--line:#E5E7EB;--font-body:"Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;--font-display:"Poppins", "Roboto", system-ui, sans-serif;--font-mono:"Inconsolata", ui-monospace, SFMono-Regular, Menlo, monospace;--r-sm:6px;--r-md:10px;--r-lg:16px;--shadow-sm:0 1px 2px rgba(17, 24, 39, 0.04), 0 1px 1px rgba(17, 24, 39, 0.03);--shadow-md:0 6px 24px -8px rgba(17, 24, 39, 0.12), 0 2px 6px rgba(17, 24, 39, 0.04);--ease:cubic-bezier(0.2, 0.8, 0.2, 1)}*,*::before,*::after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--primary);text-decoration:none;transition:color 180ms var(--ease)}a:hover,a:focus-visible{color:var(--secondary)}a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.container{max-width:1080px;margin:0 auto;padding:0 24px}.nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.85);backdrop-filter:saturate(160%)blur(10px);border-bottom:1px solid var(--line)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--ink);display:inline-flex;align-items:center;gap:10px}.brand-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:inline-block}.nav-links{display:flex;gap:24px}.nav-links a{color:var(--ink);font-weight:500;font-size:14px}.nav-links a[aria-current=page]{color:var(--primary)}.hero{padding:56px 0 32px}.hero-grid{display:grid;grid-template-columns:1.15fr 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var(--ease)}.post:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:transparent}.post .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--primary)}.post h3{font-family:var(--font-display);font-weight:600;font-size:18px;line-height:1.35;margin:0}.post h3 a{color:var(--ink)}.post h3 a:hover{color:var(--primary)}.post p{color:var(--muted);font-size:14px;line-height:1.55;margin:0}.post .row{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:8px;font-family:var(--font-mono);font-size:12px;color:var(--muted)}.lang-switch{display:inline-flex;gap:8px;padding-left:16px;margin-left:8px;border-left:1px solid var(--line)}.lang-link{color:var(--muted);font-family:var(--font-mono);font-size:12px;letter-spacing:.04em}.lang-link.is-current{color:var(--primary);font-weight:600}.lang-link:hover{color:var(--secondary)}.translation-fallback{max-width:760px;margin:0 auto 16px;padding:12px 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li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--line)}.certs-table{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}.cert-row{display:grid;grid-template-columns:56px 1.4fr 1fr 1fr auto;gap:16px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);transition:background 180ms var(--ease)}.cert-row:last-child{border-bottom:0}.cert-row:hover{background:var(--bg)}@media(max-width:720px){.cert-row{grid-template-columns:48px 1fr auto;row-gap:4px}.cert-row .issuer,.cert-row .id{grid-column:2/3}}.cert-row .seal{width:48px;height:48px;border-radius:8px;background:linear-gradient(160deg,#ffffff 0%,#f3f6fb 100%);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}.cert-row .seal img{width:100%;height:100%;object-fit:contain;padding:4px;display:block}.cert-row .title{font-weight:500;font-size:14px;line-height:1.3}.cert-row .issuer{font-family:var(--font-mono);font-size:12px;color:var(--muted)}.cert-row .id{font-family:var(--font-mono);font-size:12px;color:var(--ink)}.cert-row .ext{font-family:var(--font-mono);font-size:11px;color:var(--primary)}