:root{--bg-base:#030308;--bg-surface:#07070f;--bg-card:#0b0b16;--bg-card-hover:#0f0f1e;--blue-deep:#0047cc;--blue-core:#0075ff;--blue-bright:#00a3ff;--blue-cyan:#00d4ff;--blue-light:#3d9bff;--border:rgba(0,147,255,0.12);--border-bright:rgba(0,147,255,0.35);--border-subtle:rgba(255,255,255,0.06);--border-accent:rgba(0,117,255,0.25);--emerald:#10b981;--rose:#f43f5e;--amber:#fbbf24;--text-1:#ffffff;--text-2:#7b8db8;--text-3:#3a4460;--grad-main:linear-gradient(135deg,#0060ee,#00d4ff);--grad-text:linear-gradient(135deg,#4db8ff,#00d4ff);--shadow-card:0 4px 32px rgba(0,117,255,0.12);--shadow-btn:0 4px 20px rgba(0,117,255,0.45);--shadow-btn-hover:0 8px 32px rgba(0,117,255,0.6);--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--transition:all 0.25s cubic-bezier(0.4,0,0.2,1);--max-w:1200px;--max-w-article:720px}