:root{--bg: #0b1020;--bg-soft: #121a30;--surface: #161f38;--surface-2: #1d2845;--border: #263251;--text: #e8edf7;--text-soft: #aab4cc;--muted: #7d88a3;--brand: #5b8cff;--brand-2: #7af0c8;--brand-ink: #06122e;--danger: #ff6b6b;--ok: #46d39a;--radius: 14px;--radius-sm: 10px;--shadow: 0 10px 30px rgba(0, 0, 0, .35);--maxw: 1100px;--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);background:radial-gradient(1200px 600px at 80% -10%,rgba(91,140,255,.12),transparent 60%),radial-gradient(1000px 500px at -10% 0%,rgba(122,240,200,.08),transparent 55%),var(--bg);color:var(--text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}main{flex:1 0 auto;width:100%}h1,h2,h3{line-height:1.2;margin:0 0 .5em}h1{font-size:clamp(1.8rem,1.2rem + 2.4vw,2.7rem);letter-spacing:-.02em}h2{font-size:clamp(1.3rem,1rem + 1.2vw,1.8rem);letter-spacing:-.01em}p{color:var(--text-soft)}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);background:#0b1020b3;border-bottom:1px solid var(--border)}.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text);letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand .logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--brand-ink);display:grid;place-items:center;font-weight:900;font-size:.85rem}.nav{display:flex;gap:18px;align-items:center}.nav a{color:var(--text-soft);font-weight:600;font-size:.95rem}.nav a:hover{color:var(--text);text-decoration:none}.hero{padding:56px 0 24px;text-align:center}.hero p.lead{font-size:1.15rem;max-width:640px;margin:0 auto 24px}.search{max-width:560px;margin:0 auto;display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 6px 6px 18px;box-shadow:var(--shadow)}.search input{flex:1;background:transparent;border:0;outline:none;color:var(--text);font-size:1rem;padding:10px 0}.search input::placeholder{color:var(--muted)}.search .kbd{font-family:var(--mono);font-size:.75rem;color:var(--muted);border:1px solid var(--border);border-radius:6px;padding:2px 7px}.section{padding:28px 0}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px;gap:12px}.section-head h2{margin:0}.section-head .count{color:var(--muted);font-size:.9rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.card{display:block;background:linear-gradient(180deg,var(--surface),var(--bg-soft));border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;height:100%}.card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow);text-decoration:none}.card .ic{font-size:1.5rem;margin-bottom:8px;display:block}.card .t{font-weight:700;color:var(--text);margin-bottom:4px}.card .d{color:var(--text-soft);font-size:.9rem;margin:0}.card .tag{display:inline-block;margin-top:10px;font-size:.72rem;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:2px 9px}.tool-wrap{padding:28px 0 60px}.breadcrumb{font-size:.88rem;color:var(--muted);margin-bottom:14px}.breadcrumb a{color:var(--text-soft)}.tool-head{margin-bottom:22px}.tool-head .ic{font-size:2.2rem}.tool-head p{font-size:1.05rem;max-width:680px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.field{margin-bottom:16px}.field:last-child{margin-bottom:0}label{display:block;font-weight:600;font-size:.9rem;margin-bottom:7px;color:var(--text)}.hint{color:var(--muted);font-weight:400;font-size:.82rem}textarea,input[type=text],input[type=number],input[type=url],input[type=password],select{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font);font-size:.98rem;padding:11px 13px;outline:none;transition:border-color .12s 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ease,transform .05s ease;flex:0 0 auto}.btn:hover{filter:brightness(1.08);text-decoration:none}.btn:active{transform:translateY(1px)}.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn.ghost{background:transparent;color:var(--text-soft);border:1px solid var(--border)}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}.output{margin-top:16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;min-height:48px;font-family:var(--mono);font-size:.92rem;white-space:pre-wrap;word-break:break-word;color:var(--text)}.stat-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}.stat{flex:1 1 120px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;text-align:center}.stat .n{font-size:1.6rem;font-weight:800;color:var(--brand-2);font-family:var(--mono)}.stat .l{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.note{font-size:.85rem;color:var(--muted)}.error{color:var(--danger)}.ok{color:var(--ok)}.prose{margin-top:36px;max-width:720px}.prose h2{margin-top:1.4em}.prose h3{margin-top:1.2em;font-size:1.1rem}.prose p,.prose li{color:var(--text-soft)}.prose ul{padding-left:1.2em}.faq details{border:1px solid var(--border);border-radius:var(--radius-sm);padding:4px 16px;margin-bottom:10px;background:var(--surface)}.faq summary{cursor:pointer;font-weight:600;padding:12px 0;color:var(--text)}.faq details[open] summary{color:var(--brand)}.faq p{margin:0 0 14px}.related .grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.ad-slot{margin:26px auto;max-width:100%;min-height:90px;border:1px dashed var(--border);border-radius:var(--radius-sm);display:grid;place-items:center;color:var(--muted);font-size:.8rem;background:#ffffff04;overflow:hidden}.ad-slot.in-article{margin:32px auto}.site-footer{border-top:1px solid var(--border);margin-top:48px;padding:32px 0;color:var(--text-soft);font-size:.9rem}.site-footer .cols{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between}.site-footer h4{color:var(--text);font-size:.9rem;margin:0 0 10px;text-transform:uppercase;letter-spacing:.05em}.site-footer a{color:var(--text-soft);display:block;padding:3px 0}.site-footer a:hover{color:var(--text)}.site-footer .legal{margin-top:24px;border-top:1px solid var(--border);padding-top:18px;color:var(--muted);font-size:.85rem}.pills{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:20px 0 8px}.pill{font-size:.85rem;color:var(--text-soft);border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:6px 14px}.pill:hover{border-color:var(--brand);color:var(--text);text-decoration:none}.hidden{display:none!important}.copied{color:var(--ok)}mark{background:var(--brand);color:var(--brand-ink);border-radius:3px;padding:0 2px}.swatch-preview{min-height:160px;border-radius:var(--radius-sm);border:1px solid var(--border)}.drop{border:2px dashed var(--border);border-radius:var(--radius);padding:28px 18px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .15s,background .15s}.drop:hover,.drop.drag{border-color:var(--brand);background:#5b8cff0f;color:var(--text-soft)}.thumb{max-width:100%;max-height:320px;border-radius:var(--radius-sm);border:1px solid var(--border)}.badges{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:18px;color:var(--muted);font-size:.85rem}.badges span{display:inline-flex;align-items:center;gap:6px}