:root{--b:#1E5EFF;--n:#0B1F4B;--s:#F3F6FD;--m:#55627d;--l:#e8edf7;color-scheme:light;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;color:var(--n);background:#fff;line-height:1.6}
.c{max-width:1040px;margin:0 auto;padding:0 20px}
a{color:var(--b)}
.btn{display:inline-block;padding:11px 22px;border-radius:10px;font:600 15px Inter,sans-serif;cursor:pointer;border:0;text-decoration:none;background:var(--b);color:#fff;box-shadow:0 4px 14px rgba(30,94,255,.3);transition:.2s}
.btn:hover{transform:translateY(-2px)}
.btn.g{background:#fff;color:var(--n);border:1.5px solid #d8e0f0;box-shadow:none}
nav{position:sticky;top:env(safe-area-inset-top,0px);background:rgba(255,255,255,.9);backdrop-filter:blur(12px);z-index:9;border-bottom:1px solid var(--l)}
.ni{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--n);text-decoration:none;display:flex;align-items:center;gap:8px}
.lm{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--b),#6f9bff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px}
.nl{display:flex;gap:26px;list-style:none}
.nl a{text-decoration:none;color:var(--m);font-weight:500;font-size:15px}
.nl a:hover,.nl a.on{color:var(--b)}
#mb{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--n)}
.hero{background:radial-gradient(900px 400px at 70% -10%,#e6eeff 45%,transparent),var(--s);padding:76px 0 80px;text-align:center}
.bd{display:inline-block;background:#e3ecff;color:var(--b);font-size:13px;font-weight:600;padding:5px 14px;border-radius:99px;margin-bottom:18px}
h1{font-size:clamp(32px,5vw,54px);font-weight:800;letter-spacing:-1.8px;line-height:1.1;margin-bottom:16px}
h1 span{background:linear-gradient(90deg,var(--b),#6f9bff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sub{font-size:18px;color:var(--m);max-width:540px;margin:0 auto 28px}
section,.pg{padding:56px 0}
h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:-1px;margin-bottom:8px}
.lead{color:var(--m);margin-bottom:28px;max-width:640px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{display:block;background:#fff;border:1px solid var(--l);border-radius:16px;padding:24px;text-decoration:none;color:inherit;transition:.25s}
a.card:hover{transform:translateY(-5px);box-shadow:0 14px 36px rgba(30,94,255,.13);border-color:#cfd9f8}
.card h3{font-size:17px;margin:10px 0 4px}
.card p{font-size:14.5px;color:var(--m)}
.ic{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#e3ecff,var(--s));display:flex;align-items:center;justify-content:center;font-size:20px}
.soon{opacity:.6}
.tag{font-size:11px;font-weight:700;background:var(--s);color:var(--m);padding:2px 8px;border-radius:99px}
.tool{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.box{background:#fff;border:1px solid var(--l);border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(11,31,75,.05)}
label{display:block;font-weight:600;font-size:14px;margin:12px 0 5px}
input,textarea,select{width:100%;border:1.5px solid #d8e0f0;border-radius:10px;padding:10px 12px;font:15px Inter,sans-serif;color:var(--n);background:#fff}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--b)}
textarea{min-height:120px;resize:vertical}
.cnt{font-size:12.5px;color:#8b97b0;float:right;font-weight:500}
.cnt.bad{color:#e5484d}
pre,.out{background:var(--n);color:#d6e2ff;border-radius:12px;padding:14px;font:13px/1.55 ui-monospace,Menlo,monospace;white-space:pre-wrap;word-break:break-word;min-height:60px;margin-bottom:12px}
.serp{border:1px solid var(--l);border-radius:12px;padding:14px;background:#fff;margin-bottom:14px}
.serp .u{font-size:13px;color:#4d5156;word-break:break-all}
.serp .t{font-size:20px;color:#1a0dab;line-height:1.3;margin:2px 0}
.serp .d{font-size:14px;color:#4d5156}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.st{background:var(--s);border-radius:12px;padding:12px}
.st b{font-size:22px;display:block}
.st span{font-size:11px;color:#8b97b0;text-transform:uppercase;font-weight:600}
table{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:12px}
td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--l)}
.bar{height:8px;background:var(--b);border-radius:9px}
details{border:1px solid var(--l);border-radius:14px;padding:16px 20px;margin-bottom:12px}
summary{font-weight:700;cursor:pointer;font-size:17px}
details p{color:var(--m);margin-top:10px;font-size:15px}
.view{display:none}.view.on{display:block}
.note{background:var(--s);border-radius:12px;padding:14px 18px;font-size:14.5px;color:var(--m);margin-top:24px}
footer{background:var(--n);color:#aeb8d3;padding:40px 0 24px;margin-top:40px;font-size:14px}
footer a{color:#aeb8d3;text-decoration:none;margin-right:18px}
footer a:hover{color:#fff}
footer .logo{color:#fff;margin-bottom:12px}
.legal h3{margin:22px 0 6px;font-size:18px}.legal p,.legal li{color:var(--m);font-size:15px;margin-bottom:8px}.legal ul{padding-left:20px}.legal .lead{margin-bottom:12px}
#ck{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));max-width:560px;margin:auto;background:var(--n);color:#d6e2ff;padding:12px 16px;border-radius:14px;z-index:20;display:none;font-size:14px;gap:12px;align-items:center;justify-content:space-between;box-shadow:0 10px 30px rgba(11,31,75,.3)}
@media(max-width:860px){.grid{grid-template-columns:1fr 1fr}.tool{grid-template-columns:1fr}}
@media(max-width:600px){.grid{grid-template-columns:1fr}.nl{display:none}.nl.open{display:flex;flex-direction:column;gap:14px;position:absolute;top:64px;left:0;right:0;background:#fff;padding:18px 20px;border-bottom:1px solid var(--l)}#mb{display:block}.hero{padding:52px 0 56px}.stats{grid-template-columns:1fr 1fr}}
.art{max-width:760px}.art h2{font-size:24px;margin:28px 0 8px}.art p{color:#3c4863;font-size:16.5px;margin-bottom:14px}.art ul,.art ol{padding-left:22px;margin-bottom:14px;color:#3c4863}.art li{margin-bottom:6px}.meta{color:#8b97b0;font-size:14px;margin-bottom:20px}