:root{--bg:#f6f8fc;--card:#fff;--ink:#0f172a;--mut:#5b6b82;--line:#e3e9f2;--brand:#2563eb;--brand-d:#1d4ed8;--soft:#eaf1ff;--ok:#15803d;--err:#b91c1c;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%}
a{color:var(--brand)}img{max-width:100%;height:auto}h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.narrow{max-width:820px}
.site-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:62px;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none}
.logo-i{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--soft)}
.menu{display:flex;gap:4px;overflow-x:auto}.menu a{padding:8px 13px;border-radius:9px;color:var(--mut);text-decoration:none;font-weight:600;font-size:.95rem;white-space:nowrap}
.menu a:hover,.menu a.on{background:var(--soft);color:var(--brand)}
.hero{background:linear-gradient(135deg,#1e3a8a,#2563eb 60%,#0ea5e9);color:#fff;padding:64px 0 58px;text-align:center}
.hero h1{font-size:clamp(1.9rem,5vw,3rem);margin-bottom:.4em}.hero p{max-width:640px;margin:0 auto 26px;font-size:1.1rem;opacity:.95}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 22px;font:700 1rem system-ui,sans-serif;cursor:pointer;text-decoration:none;transition:background .15s}
.btn:hover{background:var(--brand-d)}.btn.sm{padding:9px 16px;font-size:.92rem}.btn.ghost{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.5)}.btn.ghost:hover{background:rgba(255,255,255,.25)}
.hero .btn:not(.ghost){background:#fff;color:var(--brand-d)}
.page-hero{background:#fff;border-bottom:1px solid var(--line);padding:36px 0 30px}.page-hero h1{font-size:clamp(1.6rem,4vw,2.3rem);margin-bottom:.35em}.page-hero p{margin:0;color:var(--mut);font-size:1.05rem;max-width:720px}
.crumbs{font-size:.85rem;color:var(--mut);margin-bottom:10px}.crumbs a{color:var(--mut)}
.sec{padding:34px 0}.sec-title{font-size:1.4rem;margin-bottom:18px}.more{text-align:center;margin-top:18px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.tool-grid.three{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.tool-link,.post-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s,border-color .15s}
.tool-link:hover,.post-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.1);border-color:#bcd0f7}
.ti{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--soft);font-size:1.4rem;margin-bottom:12px}
.tool-link h3,.post-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--ink)}.tool-link p,.post-card p{margin:0;font-size:.92rem;color:var(--mut)}
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.pm{display:block;margin-top:12px;font-size:.8rem;color:var(--mut)}
.why{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:42px 0}.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}.why-grid span{font-size:1.8rem}.why-grid h3{margin:.3em 0}.why-grid p{margin:0;color:var(--mut)}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;margin:22px 0;box-shadow:0 2px 10px rgba(15,23,42,.04)}
.tool-note{font-size:.85rem;color:var(--mut);margin:-6px 0 18px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.f{display:block;margin-bottom:14px}.f span{display:block;font-size:.85rem;font-weight:700;color:var(--mut);margin-bottom:6px}
input[type=text],input[type=number],input[type=date],input[type=email],select,textarea{width:100%;padding:11px 13px;border:1.5px solid #cdd7e6;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.15)}textarea{resize:vertical}
.checks{display:flex;flex-wrap:wrap;gap:8px 18px;margin:12px 0 16px}.checks label{font-size:.93rem;display:flex;gap:7px;align-items:center}
.result{margin-top:18px;padding:18px;border-radius:12px;background:var(--soft);border:1px solid #cddcfb}.result[hidden]{display:none}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px}.stat span{display:block;font-size:.78rem;color:var(--mut);text-transform:uppercase;letter-spacing:.04em}.stat b{font-size:1.2rem;display:block;margin-top:2px;word-break:break-word}
.big{font-size:1.7rem;font-weight:800;color:var(--brand-d);margin:0 0 4px}.err{color:var(--err);font-weight:600;margin:0}.sub{color:var(--mut);font-size:.9rem;margin:6px 0 0}
table.tbl{width:100%;border-collapse:collapse;margin-top:14px;font-size:.9rem;background:#fff;border-radius:8px;overflow:hidden}.tbl th,.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:right}.tbl th:first-child,.tbl td:first-child{text-align:left}.tbl th{background:#f1f5fb;font-size:.78rem;text-transform:uppercase;color:var(--mut)}
.row{padding:16px 0;border-bottom:1px solid var(--line)}.row:last-child{border:0}.row .q{margin:0 0 10px;font-weight:600}.inl{width:110px!important;display:inline-block;margin:0 4px}.out{margin-top:10px;font-size:1.05rem}.out small{display:block;color:var(--mut);font-size:.82rem}.out b{font-size:1.4rem;color:var(--brand-d)}
.pw-out{display:flex;gap:10px;margin-bottom:12px}.pw-out input{font:600 1.05rem ui-monospace,Consolas,monospace}.meter{height:9px;background:#e5ebf5;border-radius:9px;overflow:hidden}.bar2{height:100%;width:0;border-radius:9px;transition:width .3s,background .3s}.meter-label{margin:6px 0 14px;font-size:.88rem;color:var(--mut)}
.tool-card textarea.big-t{min-height:190px}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.chip{border:1.5px solid #cdd7e6;background:#fff;border-radius:99px;padding:6px 14px;font-weight:600;cursor:pointer}.chip:hover{border-color:var(--brand);color:var(--brand)}
.prose{font-size:1.05rem}.prose h2{font-size:1.45rem;margin:1.8em 0 .55em}.prose h3{font-size:1.15rem;margin:1.4em 0 .4em}.prose p,.prose li{color:#27364b}.prose ul,.prose ol{padding-left:1.3em}.prose li{margin:.35em 0}.prose table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem}.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}.prose th{background:#f1f5fb}
.two{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;align-items:start}.side h3{font-size:1rem}.side p{font-size:.92rem;color:var(--mut)}.hp{position:absolute;left:-9999px}
.form-msg{display:none;margin-top:12px;padding:10px 14px;border-radius:9px;font-size:.92rem}.form-msg.ok{display:block;background:#e8f7ee;color:var(--ok)}.form-msg.err{display:block;background:#fdecec;color:var(--err)}
.adw{margin:22px auto;text-align:center;overflow:hidden;max-width:100%}
.site-foot{background:#0f172a;color:#cbd5e1;margin-top:50px;padding:42px 0 22px}.site-foot .logo{color:#fff}.site-foot .logo-i{background:#1e293b}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px}.fgrid h4{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}.fgrid a{display:block;color:#cbd5e1;text-decoration:none;font-size:.92rem;margin-bottom:7px}.fgrid a:hover{color:#fff}.fdesc{font-size:.9rem;margin-top:12px;max-width:330px}.copy{border-top:1px solid #1e293b;margin-top:26px;padding-top:16px;font-size:.82rem;color:#94a3b8}
@media(max-width:720px){.grid2,.grid3,.two,.fgrid{grid-template-columns:1fr}.hero{padding:44px 0}.tool-card{padding:18px}.inl{width:90px!important}.bar{padding:8px 0}}