[hidden]{display:none!important}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.6 system-ui,"Segoe UI",Roboto,sans-serif;color:#1d2433;background:#fff}
a{color:#4b3fd6}header.site{display:flex;align-items:center;gap:20px;padding:14px 24px;border-bottom:1px solid #eceef4;flex-wrap:wrap}header.site .brand{font-weight:700;text-decoration:none;color:#1d2433;font-size:18px}
header.site nav{display:flex;gap:16px;flex-wrap:wrap;margin-left:auto}header.site nav a{text-decoration:none;color:#454d5f}
main{max-width:980px;margin:0 auto;padding:32px 24px 64px}h1{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:.2em 0 .4em}h2{margin-top:2em}
.hero{padding:24px 0 8px}.lead{font-size:19px;color:#454d5f;max-width:720px}.cta{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}
.btn{display:inline-block;padding:10px 18px;border-radius:8px;border:1px solid #c9cdd8;background:#fff;color:#1d2433;text-decoration:none;font:inherit;cursor:pointer}.btn.primary{background:#4b3fd6;border-color:#4b3fd6;color:#fff}.btn[disabled]{opacity:.6;cursor:default}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{border:1px solid #e3e6ee;border-radius:12px;padding:18px;background:#fafbfd}
table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid #e3e6ee;padding:8px;text-align:left;vertical-align:top}.muted{color:#6b7385}.small{font-size:14px}
form{display:flex;flex-direction:column;gap:12px;max-width:460px}label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:#454d5f}input{font:inherit;padding:9px 11px;border:1px solid #c9cdd8;border-radius:8px}
.price{font-size:34px;font-weight:700}.notice{background:#fff8e6;border:1px solid #f1d38a;border-radius:8px;padding:10px 14px}.ok{background:#eefaf1;border:1px solid #9bd7ad;border-radius:8px;padding:14px}.err{color:#b42318}
.key{font:600 20px/1.4 ui-monospace,Consolas,monospace;background:#f4f5f9;border-radius:8px;padding:10px 14px;display:inline-block;user-select:all;letter-spacing:.5px}
.draft{background:#fdecec;border:1px solid #f3b4b4;border-radius:8px;padding:10px 14px}footer.site{border-top:1px solid #eceef4;padding:20px 24px;color:#6b7385;font-size:14px;text-align:center}footer.site a{margin:0 8px}