*{box-sizing:border-box}body{margin:0;font-family:-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:#0e1116;color:#dde3ec;line-height:1.6}
a{color:#5eead4;text-decoration:none}a:hover{text-decoration:underline}
header{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid #1e2530;position:sticky;top:0;background:#0e1116ee;backdrop-filter:blur(8px);z-index:20}
.logo{font-weight:800;font-size:1.15rem;color:#fff}.logo b{color:#5eead4}
nav a{color:#9fb0c3;margin-left:18px;font-size:.92rem}
main{max-width:1080px;margin:0 auto;padding:28px 20px 60px}
h1{font-size:1.7rem;margin:.2em 0 .1em;color:#fff}
h2{font-size:1.2rem;color:#fff;margin-top:2em}
.sub{color:#9fb0c3}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-top:18px}
.card{background:#151b24;border:1px solid #232c3a;border-radius:12px;padding:16px;transition:.15s}
.card:hover{border-color:#5eead4;transform:translateY(-2px)}
.card h3{margin:.1em 0 .3em;font-size:1rem}.card h3 a{color:#fff}
.card .dim{color:#7dd3fc;font-family:ui-monospace,Menlo,monospace;font-size:.85rem}
.card p{color:#8b98a9;font-size:.82rem;margin:.3em 0 0}
.plat{display:inline-block;font-size:.7rem;font-weight:700;padding:2px 9px;border-radius:20px;color:#fff;text-transform:uppercase;letter-spacing:.05em}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.9rem}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid #232c3a}
th{color:#8b98a9;font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.tool{background:#151b24;border:1px dashed #34435a;border-radius:14px;padding:26px;text-align:center;margin:20px 0}
.tool.over{border-color:#5eead4;background:#182231}
.tool .big{font-size:1.05rem;color:#cfe3f5}
.tool small{color:#718296}
.btn{display:inline-block;background:#5eead4;color:#06231d;font-weight:700;border:0;border-radius:9px;padding:10px 18px;font-size:.92rem;cursor:pointer;margin:6px 4px}
.btn.ghost{background:transparent;color:#5eead4;border:1px solid #2e4a44}
.outs{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:14px}
.out{background:#0e1116;border:1px solid #232c3a;border-radius:10px;padding:10px;text-align:center}
.out canvas{max-width:150px;max-height:110px;border-radius:6px;image-rendering:auto;background:#fff}
.out .d{font-family:ui-monospace,Menlo,monospace;font-size:.75rem;color:#9fb0c3;margin-top:4px}
.dl{display:inline-block;margin-top:6px;font-size:.78rem;background:#22314200;border:1px solid #2e4a44;color:#5eead4;border-radius:7px;padding:4px 10px;cursor:pointer}
.faq details{border:1px solid #232c3a;border-radius:10px;padding:10px 16px;margin:8px 0;background:#131922}
.faq summary{cursor:pointer;font-weight:600;color:#cfe3f5}
footer{border-top:1px solid #1e2530;margin-top:50px;padding:24px 20px;text-align:center;color:#5c6b7d;font-size:.82rem}
.crumb{font-size:.8rem;color:#5c6b7d;margin-bottom:8px}
.note{background:#1a222e;border-left:3px solid #f59e0b;padding:10px 14px;border-radius:0 8px 8px 0;font-size:.86rem;color:#c9d5e3;margin:14px 0}
.search{width:100%;max-width:460px;background:#151b24;border:1px solid #232c3a;color:#fff;border-radius:10px;padding:11px 14px;font-size:.95rem;margin:10px 0}
@media(max-width:640px){h1{font-size:1.35rem}nav a{margin-left:10px;font-size:.82rem}}