:root{--bg:#f7f7fb;--card:#fff;--text:#14142b;--muted:#55556f;--line:#e2e2ee;--brand:#4f46e5;--brand2:#0891b2;--ok:#15803d;--bad:#dc2626;--soft:#eef0ff}
@media (prefers-color-scheme:dark){:root{--bg:#0d0d18;--card:#171728;--text:#ececf6;--muted:#a3a3c2;--line:#2a2a44;--soft:#1e1f3a;--brand:#7c74ff;--brand2:#22b8d6;--ok:#4ade80;--bad:#f87171}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:16px}
a{color:var(--brand)}
img{max-width:100%}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
.narrow{max-width:820px}
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{font-weight:800;font-size:21px;text-decoration:none;color:var(--text);letter-spacing:-.3px}
.logo span,.grad{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
nav.main a{margin-left:20px;text-decoration:none;color:var(--muted);font-weight:500;font-size:15px}
nav.main a:hover{color:var(--text)}
@media(max-width:640px){nav.main a{margin-left:12px;font-size:14px}nav.main .hide-sm{display:none}}
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{text-decoration:underline}
.hero{padding:64px 0 40px;text-align:center}
.hero h1{font-size:clamp(32px,6vw,54px);line-height:1.1;margin:0 0 16px;font-weight:800;letter-spacing:-1px}
.hero p.lead{font-size:19px;color:var(--muted);max-width:660px;margin:0 auto 28px}
.pagehead{padding:18px 0 8px}
.pagehead h1{font-size:clamp(28px,4.5vw,40px);line-height:1.15;margin:8px 0 10px;letter-spacing:-.5px}
.pagehead p{color:var(--muted);font-size:18px;margin:0 0 8px;max-width:760px}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:11px 20px;font-weight:600;font-size:15px;cursor:pointer;text-decoration:none;font-family:inherit;line-height:1.3}
.btn.alt{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.sm{padding:7px 14px;font-size:14px}
.btn:hover{filter:brightness(1.08)}
section.block{padding:40px 0}
h2{font-size:28px;margin:0 0 8px;letter-spacing:-.3px;line-height:1.25}
h3{font-size:20px;margin:24px 0 6px}
.sub{color:var(--muted);margin:0 0 24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.tool-card{display:block;text-decoration:none;color:var(--text);transition:transform .15s,border-color .15s}
.tool-card:hover{transform:translateY(-2px);border-color:var(--brand)}
.tool-card .ico{font-size:28px;line-height:1}
.tool-card h3{margin:10px 0 4px;font-size:18px}
.tool-card p{margin:0;color:var(--muted);font-size:14px}
.tag{display:inline-block;font-size:12px;font-weight:600;background:var(--soft);color:var(--brand);padding:3px 10px;border-radius:999px}
label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}
label.inline{display:inline-flex;align-items:center;gap:6px;font-weight:500;margin:6px 16px 6px 0}
input[type=text],input[type=email],input[type=url],input[type=tel],input[type=number],input[type=password],textarea,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:15px;background:var(--bg);color:var(--text)}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--brand)}
input[type=range]{width:100%;accent-color:var(--brand)}
input:focus,textarea:focus,select:focus{outline:2px solid var(--brand);outline-offset:1px}
textarea{min-height:110px;resize:vertical}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}
@media(max-width:720px){.grid2,.grid3{grid-template-columns:1fr}}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:16px}
.out{white-space:pre-wrap;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:16px;font-size:14px;max-height:420px;overflow:auto;margin-top:14px;word-break:break-word}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-top:16px}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.stat b{display:block;font-size:26px;line-height:1.2}
.stat span{font-size:13px;color:var(--muted)}
.good{color:var(--ok)}.bad{color:var(--bad)}
.note{font-size:13px;color:var(--muted);margin-top:14px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:50}
.toast.on{opacity:1}
.prose{max-width:780px}
.prose h2{margin-top:36px}
.prose p,.prose li{color:var(--text)}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin:4px 0}
.faq details{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:14px 18px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin:10px 0 0;color:var(--muted)}
table.cmp{width:100%;border-collapse:collapse;font-size:14px;background:var(--card);border-radius:12px;overflow:hidden}
table.cmp th,table.cmp td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.cmp th{background:var(--soft);font-weight:600}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.provider{margin:18px 0}
.provider .head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.provider h3{margin:0}
.pros{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:10px}
@media(max-width:640px){.pros{grid-template-columns:1fr}}
.pros ul{margin:6px 0;padding-left:20px;font-size:15px}
.pros .p b{color:var(--ok)}.pros .c b{color:var(--bad)}
.disclosure{font-size:13px;color:var(--muted);background:var(--soft);border-radius:10px;padding:10px 14px;margin:14px 0}
.serp{background:#fff;color:#202124;border-radius:12px;padding:16px 18px;border:1px solid var(--line);font-family:Arial,sans-serif;max-width:640px}
.serp .site{display:flex;align-items:center;gap:10px;font-size:14px}
.serp .fav{width:26px;height:26px;border-radius:50%;background:#f1f3f4;display:grid;place-items:center;font-size:12px;color:#5f6368}
.serp .u{font-size:12px;color:#4d5156}
.serp .t{font-size:20px;color:#1a0dab;margin:6px 0 3px;line-height:1.3}
.serp .d{font-size:14px;color:#4d5156;line-height:1.58}
.meter{font-size:13px;margin-top:4px}
.bar{height:6px;background:var(--line);border-radius:999px;overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;background:var(--ok);transition:width .2s}
.imgres{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:16px}
.imgres .card{padding:12px;font-size:13px}
.imgres img{border-radius:8px;display:block;margin-bottom:8px;max-height:150px;object-fit:contain;width:100%;background:var(--bg)}
.drop{border:2px dashed var(--line);border-radius:14px;padding:28px;text-align:center;color:var(--muted);cursor:pointer}
.drop.over{border-color:var(--brand);background:var(--soft)}
.qrbox{margin-top:16px;background:#fff;display:inline-block;padding:14px;border-radius:12px;line-height:0}
.cta-box{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-radius:18px;padding:28px;margin:28px 0}
.cta-box h2,.cta-box p{color:#fff}
.cta-box .btn{background:#fff;color:#1e1b4b}
footer.bottom{border-top:1px solid var(--line);padding:36px 0 28px;color:var(--muted);font-size:14px;margin-top:48px}
footer.bottom .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
@media(max-width:720px){footer.bottom .cols{grid-template-columns:1fr 1fr}}
footer.bottom h4{color:var(--text);margin:0 0 8px;font-size:14px}
footer.bottom ul{list-style:none;padding:0;margin:0}
footer.bottom li{margin:4px 0}
footer.bottom a{color:var(--muted);text-decoration:none}
footer.bottom a:hover{color:var(--text)}
.legal-small{margin-top:24px;font-size:12px}