:root { --bg:#0F172A; --bg2:#1E293B; --border:#2D3F55; --accent:#7C3AED; --accent2:#A78BFA; --text:#F1F5F9; --text2:#CBD5E1; --text3:#94A3B8; }
@media (prefers-color-scheme: light) {
  :root { --bg:#F8FAFC; --bg2:#FFFFFF; --border:#E2E8F0; --accent:#6D28D9; --accent2:#6D28D9; --text:#0F172A; --text2:#334155; --text3:#64748B; }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--accent2); }
.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 20px; }
.site-header { border-bottom: 1px solid var(--border); background: var(--bg2); }
.site-header .wrap { max-width: 1000px; display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.mark { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, #7C3AED, #A78BFA); display: grid; place-items: center; color: #fff; font-size: 15px; }
.site-header nav a { color: var(--text3); text-decoration: none; margin-left: 18px; font-size: 0.92rem; }
.site-header nav a:hover { color: var(--text); }
main { flex: 1; padding: 36px 0 56px; }
h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 12px; }
.lead { color: var(--text2); font-size: 1.1rem; margin-bottom: 14px; }
.kicker { color: var(--accent2); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 6px; }
.meta { color: var(--text3); font-size: 0.88rem; }
.empty { color: var(--text3); padding: 30px 0; }
.cards { display: grid; gap: 18px; margin-top: 22px; }
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.card .cover img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.card-body { padding: 18px 20px 20px; }
.card h2 { font-size: 1.25rem; line-height: 1.3; margin: 2px 0 8px; }
.card h2 a { color: var(--text); text-decoration: none; }
.card h2 a:hover { color: var(--accent2); }
.card p { color: var(--text2); margin-bottom: 8px; }
.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 28px; color: var(--text3); }
.article { max-width: 720px; }
.hero { margin: 24px 0; }
.hero img { width: 100%; border-radius: 14px; display: block; }
.toc { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin: 22px 0; font-size: 0.92rem; }
.toc p { font-weight: 700; margin-bottom: 6px; }
.toc ul { list-style: none; }
.toc li.l3 { padding-left: 16px; }
.toc a { text-decoration: none; }
.content { margin-top: 18px; }
.content h2 { font-size: 1.55rem; margin: 2em 0 0.5em; line-height: 1.3; scroll-margin-top: 20px; }
.content h3 { font-size: 1.2rem; margin: 1.6em 0 0.4em; scroll-margin-top: 20px; }
.content h4, .content h5, .content h6 { margin: 1.4em 0 0.4em; }
.content p, .content ul, .content ol, .content blockquote, .content pre { margin: 0 0 1.1em; }
.content ul, .content ol { padding-left: 1.4em; }
.content li { margin-bottom: 0.3em; }
.content img { max-width: 100%; height: auto; border-radius: 10px; }
.content blockquote { border-left: 3px solid var(--accent); padding: 4px 0 4px 16px; color: var(--text2); }
.content code { background: var(--bg2); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; font-size: 0.9em; }
.content pre { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; }
.content pre code { background: none; border: 0; padding: 0; }
.content hr { border: 0; border-top: 1px solid var(--border); margin: 2em 0; }
.tags { margin-top: 28px; display: flex; gap: 8px; flex-wrap: wrap; }
.tags span { background: var(--bg2); border: 1px solid var(--border); border-radius: 99px; padding: 2px 12px; font-size: 0.82rem; color: var(--text3); }
.related { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }
.related h2 { font-size: 1.2rem; }
.site-footer { border-top: 1px solid var(--border); padding: 20px 0; color: var(--text3); font-size: 0.85rem; text-align: center; }