:root{--bg:#fefefe;--text:#333;--accent:#b22222;--muted:#666;--border:#ddd;--header-bg:#1b1b2f;--header-text:#fff}body{margin:0;font-family:Georgia,serif;background:var(--bg);color:var(--text);line-height:1.6}.site-header{background:var(--header-bg);color:var(--header-text);padding:1.5rem 2rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between}.site-title{margin:0;font-size:1.8rem;font-weight:700}.site-updated{font-size:.9rem;color:rgba(255,255,255,.7)}.back-link{display:inline-block;color:var(--header-text);text-decoration:none;font-weight:700;margin-bottom:.5rem}.back-link:hover{text-decoration:underline}.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;padding:2rem;max-width:1200px;margin:0 auto}.topic-card{border:1px solid var(--border);border-radius:6px;overflow:hidden;background:#fff;transition:box-shadow .2s}.topic-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.12)}.topic-link{text-decoration:none;color:inherit;display:block}.topic-image img{width:100%;height:200px;object-fit:cover;display:block}.topic-body{padding:1rem}.topic-headline{font-size:1.2rem;margin:0 0 .5rem;line-height:1.3;color:#222}.topic-summary{font-size:.95rem;color:var(--muted);margin-bottom:.75rem}.topic-sources{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.4rem}.topic-sources li{background:#efefef;padding:.15em .5em;border-radius:4px;font-size:.8rem;font-family:system-ui,sans-serif;color:#444}.detail-headline{font-size:2rem;margin:0 0 .5rem}.detail-image{max-width:400px;margin:1rem 0}.detail-image img{width:100%;height:auto}.detail-summary{font-size:1.1rem;color:var(--muted);max-width:700px;margin-bottom:2rem}.article-list{max-width:800px;margin:0 auto;padding:1rem 2rem}.article-list-title{font-size:1.4rem;border-bottom:2px solid var(--accent);padding-bottom:.3rem;margin-bottom:1.5rem}.article-item{border-bottom:1px solid var(--border);padding:1rem 0}.article-title{font-size:1.2rem;margin:0 0 .3rem}.article-title a{color:var(--accent);text-decoration:none}.article-title a:hover{text-decoration:underline}.article-meta{font-size:.9rem;color:var(--muted);margin-bottom:.5rem}.article-source{font-weight:700}.article-snippet{font-size:.95rem;color:#555}@media(max-width:640px){.topic-grid{grid-template-columns:1fr;padding:1rem}.site-header{flex-direction:column;align-items:flex-start;gap:.5rem}}