:root{--ink: #1d2733;--muted: #5a6b7c;--accent: #1b5e77;--accent-dark: #124457;--accent-deep: #0c3241;--accent-tint: #eef5f7;--accent-ice: #a9d3df;--bg: #f7f8f6;--card: #ffffff;--line: #dde4e8;--radius: 10px;--shadow-sm: 0 2px 10px rgba(18, 68, 87, .07);--shadow-md: 0 14px 34px rgba(18, 68, 87, .13);--serif: "Source Serif 4", Georgia, "Times New Roman", serif;--sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}h1,h2,h3{font-family:var(--serif);line-height:1.25;color:var(--accent-dark)}a{color:var(--accent)}a:hover{color:var(--accent-dark)}.site-header{position:sticky;top:0;z-index:50;background:#fffffff0;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:0 1px 14px 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a{text-decoration:none}.back-link a:hover{text-decoration:underline}.article-more{margin-top:40px;padding-top:8px;border-top:1px solid var(--line)}.article-more h2{margin:20px 0 12px;font-size:1.25rem}.article-more ol{list-style:none;margin:0;padding:0}.article-more li{display:flex;gap:12px;align-items:baseline;padding:6px 0}.article-more time{flex:none;font-size:.8125rem;color:var(--muted, #6b7280);min-width:120px}.article-more a{text-decoration:none;font-weight:600}.article-more a:hover{text-decoration:underline}@media(max-width:640px){.featured-post{grid-template-columns:1fr}.featured-post-media img{aspect-ratio:16 / 9}.featured-post-body{padding:22px 20px}}