:root{--ink:#16202b;--muted:#5b6673;--line:#dfe4ea;--bg:#f6f7f9;--card:#fff;--brand:#0b5fff;--brand2:#083fb0;--ok:#127a3a;--bad:#b42318;--warn:#8a5a00;--warnbg:#fff6df}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}
.wrap{max-width:1040px;margin:0 auto;padding:0 18px}
header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;flex-wrap:wrap}
.logo{font-weight:800;font-size:20px;text-decoration:none;color:var(--ink)}.logo span{color:var(--brand)}
nav a{margin-right:14px;text-decoration:none;font-weight:600}
.langsel button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:4px 8px;margin-left:4px;cursor:pointer;font-weight:600}
.langsel button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.banner{padding:10px 14px;border-radius:8px;margin:10px 0;font-weight:600}
.banner.demo{background:#ffe9e9;color:#8a1010}
.banner.warn{background:var(--warnbg);color:var(--warn);font-weight:500}
.banner.info{background:#e9f1ff;color:#0a3a8a;font-weight:500}
.hero{padding:28px 0 8px}.hero h1{font-size:34px;line-height:1.15;margin:0 0 12px}.hero p{font-size:18px;color:var(--muted);max-width:820px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:14px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:760px){.grid2,.grid3{grid-template-columns:1fr}.hero h1{font-size:26px}}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:11px 18px;font-weight:700;font-size:16px;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--brand2)}.btn.sec{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}.btn.small{padding:6px 10px;font-size:14px}.btn.danger{background:#fff;color:var(--bad);border:1.5px solid var(--bad)}
.btn:disabled{opacity:.5;cursor:not-allowed}
label{display:block;font-weight:600;margin:10px 0 4px}
input[type=text],input[type=email],input[type=number],select,textarea{width:100%;padding:9px 10px;border:1px solid #c9d1da;border-radius:8px;font:inherit;background:#fff}
textarea{min-height:70px}
.help{font-size:13px;color:var(--muted);margin:2px 0 0}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:4px 12px}
.checks label{font-weight:400;margin:2px 0;display:flex;gap:8px;align-items:flex-start}
.checks input{margin-top:4px}
.fielderr{border-color:var(--bad)!important;background:#fff5f5}
.err{color:var(--bad);font-weight:600}.ok{color:var(--ok);font-weight:600}.muted{color:var(--muted)}
.price{text-align:center}.price .big{font-size:30px;font-weight:800}.price .sub{color:var(--muted);font-size:14px}
table{border-collapse:collapse;width:100%;font-size:14px}th,td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}th{background:#f0f3f6}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}.tabs button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 12px;cursor:pointer;font-weight:600}.tabs button.on{background:var(--ink);color:#fff}
.field{border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:6px 0;background:#fbfcfd}
.field .fname{font-size:13px;font-weight:700;color:var(--muted)}.field .fval{white-space:pre-wrap;margin:3px 0}.field .fnote{font-size:12px;color:var(--muted)}
.lang{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0;background:#fff}
.lang h4{margin:4px 0}.tag{display:inline-block;font-size:11px;padding:1px 6px;border-radius:10px;background:#eef1f5;color:var(--muted);margin-left:6px;font-weight:600}
.tag.ai{background:#efe7ff;color:#5b2bb5}.tag.locked{background:#ffe9e9;color:#8a1010}
pre.label{white-space:pre-wrap;background:#fbfcfd;border:1px dashed #b9c3ce;border-radius:8px;padding:10px;font:13px/1.45 ui-monospace,Menlo,Consolas,monospace}
.copy{float:right}
footer{color:var(--muted);font-size:13px;padding:24px 0 40px;border-top:1px solid var(--line);margin-top:30px}footer a{margin-right:12px}
.modal{position:fixed;inset:0;background:rgba(10,20,30,.45);display:none;align-items:center;justify-content:center;padding:14px;z-index:20}.modal.on{display:flex}
.modal .card{max-width:520px;width:100%;max-height:92vh;overflow:auto}
.spinner{display:inline-block;width:16px;height:16px;border:3px solid #c9d1da;border-top-color:var(--brand);border-radius:50%;animation:sp 1s linear infinite;vertical-align:middle;margin-right:6px}@keyframes sp{to{transform:rotate(360deg)}}
.hidden{display:none!important}
@media print{header.top,nav,.noprint,footer,.banner.demo,.tabs,.btn{display:none!important}body{background:#fff;font-size:11pt}.card{border:0;padding:0;margin:0 0 10px}.lang,.field{break-inside:avoid}.printall .tabpane{display:block!important}h2{break-before:auto}}