:root{--primary:#6c5ce7;--primary-dark:#4a3bc2;--accent:#00d2ff;--accent-2:#7a5cff;--bg:#0a0e1f;--bg-2:#101632;--bg-card:rgba(255,255,255,0.04);--border:rgba(255,255,255,0.1);--text:#e8ecf8;--text-muted:#9aa4c0;--success:#2dd4a7;--warning:#f6b93b;--radius:16px;--max-w:1180px;--shadow:0 20px 60px rgba(0,0,0,0.45);--font:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}.bg-glow{position:fixed;inset:0;z-index:-1;background:radial-gradient(600px 400px at 85% 0%,rgba(108,92,231,0.28),transparent 65%),radial-gradient(700px 500px at 5% 20%,rgba(0,210,255,0.14),transparent 60%),radial-gradient(800px 600px at 50% 110%,rgba(122,92,255,0.16),transparent 65%),var(--bg)}.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.section{padding:84px 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solid var(--accent);padding:4px 0 4px 18px;margin:22px 0;color:var(--text-muted);font-style:normal}.article-nav{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:32px;padding:20px 0;flex-wrap:wrap}.article-nav a.nav-link{display:inline-flex;flex-direction:column;padding:12px 18px;border:1px solid var(--border);border-radius:10px;color:var(--text);text-decoration:none;font-size:13.5px;transition:border-color 0.2s,color 0.2s;max-width:45%}.article-nav a.nav-link:hover{border-color:var(--accent);color:var(--accent)}.article-nav a.nav-link span{display:block;font-size:11.5px;color:var(--text-muted);margin-bottom:3px}.article-nav a.nav-link.next{margin-left:auto;text-align:right}.article-nav .back-list{display:inline-flex;align-items:center;padding:12px 18px;border:1px solid var(--border);border-radius:10px;color:var(--text);text-decoration:none;font-size:13.5px;transition:border-color 0.2s,color 0.2s}.article-nav 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