:root{--bg: #fafafa;--card: #ffffff;--inset: #f4f4f5;--hover: #e4e4e7;--ink-900: #171717;--ink-700: #404040;--ink-500: #737373;--ink-400: #a3a3a3;--ink-300: #d4d4d4;--border: #e4e4e7;--border-light: #f0f0f0;--blue: #2563eb;--blue-subtle: #eff6ff;--ring: rgba(37,99,235,.2);--green: #16a34a;--green-subtle: #f0fdf4;--amber: #d97706;--amber-subtle: #fffbeb;--violet: #7c3aed;--violet-subtle: #f5f3ff;--red: #dc2626;--red-subtle: #fef2f2;--cyan: #0891b2;--cyan-subtle: #ecfeff;--orange: #ea580c;--orange-subtle: #fff7ed;--cat-rf-bg: #fef2f2;--cat-us-bg: #eff6ff;--cat-laser-bg: #f0fdf4;--cat-ems-bg: #fefce8;--cat-cryo-bg: #ecfeff;--cat-light-bg: #fdf4ff;--cat-plasma-bg: #faf5ff;--hd-glass: rgba(250,250,250,.82);--radius: 8px;--mono: "JetBrains Mono", monospace;--sans: "Plus Jakarta Sans", -apple-system, sans-serif;--surface: var(--card);--surface-hover: var(--inset);--text-1: var(--ink-900);--text-2: var(--ink-700);--text-3: var(--ink-400)}.dark{--bg: #0f0f0f;--card: #1a1a1a;--inset: #262626;--hover: #333333;--ink-900: #f5f5f5;--ink-700: #d4d4d4;--ink-500: #a3a3a3;--ink-400: #737373;--ink-300: #525252;--border: #2e2e2e;--border-light: #222222;--blue: #3b82f6;--blue-subtle: #1e3a5f;--ring: rgba(59,130,246,.2);--green-subtle: #052e16;--amber-subtle: #422006;--violet-subtle: #2e1065;--red-subtle: #450a0a;--cyan-subtle: #083344;--orange-subtle: #431407;--cat-rf-bg: #3b1111;--cat-us-bg: #0c1a33;--cat-laser-bg: #0a2614;--cat-ems-bg: #2b2306;--cat-cryo-bg: #0a2527;--cat-light-bg: #2b0a33;--cat-plasma-bg: #1f0a33;--hd-glass: rgba(15,15,15,.82)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-family:var(--sans);-webkit-font-smoothing:antialiased;background:var(--bg);color:var(--text-1);font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font:inherit}.shell{max-width:1120px;margin:0 auto;padding:0 20px}.hd{position:sticky;top:0;z-index:100;background:var(--hd-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light)}.hd-inner{display:flex;align-items:center;height:52px;gap:16px}.hd-logo{font-weight:800;font-size:15px;letter-spacing:-.03em;color:var(--text-1);display:flex;align-items:center;gap:7px;flex-shrink:0}.hd-logo-mark{width:24px;height:24px;background:var(--text-1);border-radius:6px;display:grid;place-items:center}.hd-logo-mark svg{width:14px;height:14px}.hd-nav{display:flex;align-items:center;gap:2px;margin-left:8px}.hd-nav a{padding:6px 12px;font-size:13px;font-weight:500;color:var(--text-3);border-radius:6px;transition:color .15s,background .15s}.hd-nav a:hover{color:var(--text-2);background:var(--surface-hover)}.hd-nav a.on{color:var(--text-1);font-weight:600}.hd-right{margin-left:auto;display:flex;align-items:center;gap:6px}.hd-btn{padding:6px 14px;font-size:12px;font-weight:600;border-radius:6px;transition:all .15s}.hd-btn-ghost{color:var(--text-2)}.hd-btn-ghost:hover{background:var(--surface-hover)}.hd-btn-fill{background:var(--text-1);color:#fff}.hd-btn-fill:hover{opacity:.85}.hd-kbd{display:inline-flex;align-items:center;gap:3px;font-family:var(--mono);font-size:10px;color:var(--text-3);padding:2px 5px;background:var(--surface-hover);border:1px solid var(--border);border-radius:4px;margin-left:4px}.breadcrumb{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3);padding:16px 0}.breadcrumb a:hover{color:var(--text-1)}.breadcrumb .sep{font-size:10px}.ft{border-top:1px solid var(--border-light);padding:20px 0;display:flex;align-items:center;justify-content:space-between}.ft-copy{font-size:12px;color:var(--text-3)}.ft-links{display:flex;gap:16px}.ft-links a{font-size:12px;color:var(--text-3);transition:color .15s}.ft-links a:hover{color:var(--text-1)}.sb-card{background:var(--surface);border:1px solid var(--border-light);border-radius:10px;overflow:hidden}.sb-card-hd{padding:14px 16px 10px;display:flex;align-items:center;justify-content:space-between}.sb-card-hd h3{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-2)}.sb-card-hd a{font-size:11px;font-weight:600;color:var(--text-3);transition:color .15s}.sb-card-hd a:hover{color:var(--blue)}.ai-icon{width:24px;height:24px;background:linear-gradient(135deg,var(--blue),var(--violet));border-radius:6px;display:grid;place-items:center}.ai-icon svg{width:14px;height:14px;color:#fff}.btn-sm{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;font-size:12px;font-weight:600;border-radius:6px;transition:all .15s}.btn-sm-dark{background:var(--text-1);color:#fff}.btn-sm-dark:hover{opacity:.85}.btn-sm-outline{border:1px solid var(--border);color:var(--text-2)}.btn-sm-outline:hover{background:var(--surface-hover)}@media(max-width:860px){.hd-nav{display:none}}@media(max-width:640px){.ft{flex-direction:column;gap:8px}}