:root{--bg:#f4f8ff;--card:#fff;--ink:#0f1f3d;--mut:#52688a;--line:#dbe6f7;--pri:#2563eb;--pri2:#1d4ed8;--grn:#16a34a;--org:#f97316;--soft:#eaf1ff;--r:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);overflow-x:hidden}
a{color:var(--pri2)}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.ribbon{background:linear-gradient(90deg,var(--pri),#06b6d4);color:#fff;text-align:center;font-size:14px;padding:8px 12px}
.ribbon a{color:#fff;font-weight:700;text-decoration:underline}
header.top{background:#fff;border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}
.logo svg{width:34px;height:34px}
.logo b{color:var(--pri)}
nav.main a{margin-left:16px;color:var(--mut);text-decoration:none;font-weight:600;font-size:15px}
nav.main a:hover{color:var(--pri)}
.hero{padding:28px 0 10px;text-align:center}
.hero h1{font-size:clamp(26px,4.6vw,40px);line-height:1.15;margin:0 0 10px}
.hero h1 span{color:var(--pri)}
.hero p{max-width:760px;margin:0 auto;color:var(--mut);font-size:17px}
.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:16px 0 0;padding:0;list-style:none}
.badges li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600;color:#15803d}
.grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:20px;align-items:start;margin-top:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:0 2px 10px rgba(37,99,235,.06)}
.card h2{font-size:18px;margin:0 0 12px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tab{flex:1 1 auto;min-width:78px;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:10px 8px;font:600 14px inherit;font-family:inherit;color:var(--mut);cursor:pointer;min-height:44px}
.tab[aria-selected=true]{background:var(--pri);border-color:var(--pri);color:#fff}
label.l{display:block;font-weight:600;font-size:14px;margin:12px 0 5px}
input[type=text],input[type=url],input[type=email],input[type=password],select,textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:11px 12px;font:16px inherit;font-family:inherit;color:var(--ink);background:#fff;min-height:44px}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus,button:focus-visible,.chip:focus-within{outline:3px solid rgba(37,99,235,.35);outline-offset:1px;border-color:var(--pri)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hint{font-size:13px;color:var(--mut);margin:4px 0 0}
details.sty{border-top:1px solid var(--line);margin-top:16px;padding-top:6px}
details.sty summary{cursor:pointer;font-weight:700;padding:10px 0;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
details.sty summary::-webkit-details-marker{display:none}
details.sty summary::after{content:"+";font-size:22px;color:var(--pri)}
details.sty[open] summary::after{content:"–"}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;width:100%;height:100%;cursor:pointer;margin:0}
.chip span{display:flex;flex-direction:column;align-items:center;gap:6px;border:1.5px solid var(--line);border-radius:10px;padding:9px 12px;font-size:14px;font-weight:600;color:var(--mut);background:#fff;min-height:44px;line-height:24px}
.chip input:checked+span{border-color:var(--pri);background:var(--soft);color:var(--pri2)}
.colors{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
input[type=color]{width:54px;height:44px;border:1.5px solid var(--line);border-radius:10px;padding:3px;background:#fff;cursor:pointer}
input[type=range]{width:100%;accent-color:var(--pri);min-height:32px}
.chk{display:flex;gap:8px;align-items:center;margin:10px 0;font-size:15px}
.chk input{width:20px;height:20px;accent-color:var(--pri)}
.preview{position:sticky;top:12px}
.qrbox{display:flex;justify-content:center;align-items:center;background:repeating-conic-gradient(#f1f5fb 0 25%,#fff 0 50%) 0 0/16px 16px;border:1px solid var(--line);border-radius:14px;padding:14px;min-height:260px}
.qrbox canvas,.qrbox svg{max-width:100%;height:auto!important;width:min(300px,100%)!important;display:block}
.qrbox.dim canvas,.qrbox.dim svg{opacity:.25}
.warn{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:10px;padding:8px 10px;font-size:13px;margin-top:10px}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;padding:12px 14px;font:700 15px inherit;font-family:inherit;cursor:pointer;min-height:48px;text-decoration:none}
.btn.p{background:var(--pri);color:#fff}
.btn.p:hover{background:var(--pri2)}
.btn.g{background:var(--grn);color:#fff}
.btn.o{background:#fff;color:var(--pri2);border:1.5px solid var(--pri)}
.btn.w{grid-column:1/-1}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.status{font-size:14px;color:var(--grn);min-height:20px;text-align:center;margin-top:8px;font-weight:600}
.recent{margin-top:14px;font-size:13px}
.recent button{background:var(--soft);border:0;border-radius:999px;padding:5px 10px;margin:3px 4px 0 0;cursor:pointer;color:var(--pri2);font:600 13px inherit;font-family:inherit;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.linkbtn{background:none;border:0;color:var(--mut);text-decoration:underline;cursor:pointer;font:inherit;font-size:13px;padding:4px}
.ad{margin:18px auto;text-align:center;color:#8aa0c2;font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.ad .slot{margin:2px auto 0;background:#f8fbff;border:1px dashed #cdddf5;border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.ad-leader .slot{width:100%;max-width:728px;min-height:90px}
.ad-side .slot{width:100%;max-width:300px;min-height:250px}
.ad.off .slot{color:#b3c3dc}
section.c{margin:34px 0}
section.c>h2{font-size:clamp(22px,3.6vw,30px);margin:0 0 6px}
section.c>p.lead{color:var(--mut);margin:0 0 16px;max-width:760px}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.feat .card h3{margin:0 0 4px;font-size:17px}
.feat .card p{margin:0;color:var(--mut);font-size:15px}
article.guide{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:16px}
article.guide h2,article.guide h3{margin-top:0}
article.guide h2{font-size:clamp(20px,3.4vw,26px)}
article.guide h3{font-size:18px;margin:18px 0 6px}
article.guide p,article.guide li{color:#27395c}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 14px;margin-bottom:8px}
.faq summary{cursor:pointer;font-weight:700;padding:10px 0}
.faq p{margin:0 0 12px;color:#27395c}
footer{background:#0f1f3d;color:#c9d6ee;margin-top:40px;padding:28px 0 22px;font-size:14px}
footer a{color:#fff}
footer .fl{display:flex;flex-wrap:wrap;gap:6px 18px;margin-bottom:12px}
footer .cvl{background:rgba(255,255,255,.08);border-radius:12px;padding:12px 14px;margin:0 0 14px}
.doc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:22px 0}
.doc h1{font-size:clamp(24px,4vw,34px);margin:0 0 6px}
.doc h2{font-size:20px;margin:24px 0 6px}
.doc p,.doc li{color:#27395c}
#cb{position:fixed;left:12px;right:12px;bottom:12px;z-index:50;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 8px 30px rgba(15,31,61,.2);max-width:560px;margin:0 auto;font-size:14px}
#cb .btns{display:flex;gap:8px;margin-top:10px}
#cb[hidden]{display:none}
.sr{position:absolute;left:-9999px}
[hidden]{display:none!important}
@media (max-width:860px){.grid{grid-template-columns:minmax(0,1fr)}.preview{position:static}nav.main{display:none}.row{grid-template-columns:1fr}}
@media (max-width:420px){.actions{grid-template-columns:1fr}}
@media print{.ribbon,.ad,#cb,footer{display:none}}

.chip .th{width:72px;height:72px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center}.chip .th canvas{width:72px!important;height:72px!important;display:block}
.chip span{min-width:92px;line-height:1.2;font-size:13px;padding:8px}
.chips{gap:10px}