:root{--ink:#1a1a1a;--muted:#5c5c5c;--brand:#0b5cab;--brand-d:#084a8c;--accent:#f5a623;--bg:#ffffff;--soft:#f4f7fa;--line:#e2e8f0}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.65;font-size:17px;background:var(--bg)}
a{color:var(--brand)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
header.top{background:#101418;color:#fff;padding:10px 0;position:sticky;top:0;z-index:50}
header.top .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{font-weight:800;font-size:19px;color:#fff;text-decoration:none}
.brand span{color:var(--accent)}
.callbtn{background:#1a9e4b;color:#fff!important;font-weight:700;padding:10px 18px;border-radius:8px;text-decoration:none;font-size:16px;white-space:nowrap}
.callbtn:hover{background:#14823d}
.hero{background:linear-gradient(135deg,#0b3a6b,#0b5cab);color:#fff;padding:52px 0 46px}
.hero h1{font-size:34px;line-height:1.2;margin-bottom:12px}
.hero p.sub{font-size:19px;opacity:.95;margin-bottom:22px;max-width:640px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 26px;border-radius:8px;font-weight:700;text-decoration:none;font-size:18px}
.btn-green{background:#1a9e4b;color:#fff}
.btn-green:hover{background:#14823d}
.btn-ghost{border:2px solid #fff;color:#fff}
.trustbar{background:var(--soft);border-bottom:1px solid var(--line);padding:12px 0;font-size:15px;color:var(--muted)}
.trustbar .wrap{display:flex;gap:22px;flex-wrap:wrap}
main{padding:36px 0}
h2{font-size:26px;margin:30px 0 12px}
h3{font-size:20px;margin:22px 0 8px}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px 22px}
li{margin-bottom:8px}
.card{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:20px;margin:18px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:18px 0}
.grid .card{margin:0}
.faq{border-top:1px solid var(--line);margin-top:10px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{font-weight:700;cursor:pointer;font-size:18px}
.faq details p{margin:10px 0 0;color:var(--muted)}
footer{background:#101418;color:#cfd6dd;padding:30px 0;margin-top:20px;font-size:15px}
footer a{color:#9fc3e8}
.sticky-call{display:none}
@media(max-width:700px){
  .hero h1{font-size:27px}
  .sticky-call{display:block;position:fixed;bottom:0;left:0;right:0;background:#1a9e4b;color:#fff;text-align:center;font-weight:800;font-size:19px;padding:15px;text-decoration:none;z-index:60}
  body{padding-bottom:62px}
  header.top .callbtn{font-size:14px;padding:8px 12px}
}

/* --- retrofit: interactive components (progressive enhancement) --- */
.locale-anchor{font-size:.95rem;color:#5c5c5c;margin-bottom:14px}
.faq details{border:1px solid #e2e8f0;border-radius:10px;margin-bottom:10px;background:#fff;overflow:hidden}
.faq details>summary,.faq-acc>summary{cursor:pointer;font-weight:700;padding:14px 16px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq details>summary::-webkit-details-marker{display:none}
.faq details>summary::after{content:"+";font-size:1.35rem;line-height:1;color:#1a9e4b;flex:none;font-weight:800}
.faq details[open]>summary::after{content:"\2013"}
.faq .faq-a,.faq details>p{padding:2px 16px 14px;margin:0}
.faq .faq-a p{margin:0;padding:0}
.facts{background:#f4f7fa;border:1px solid #e2e8f0;border-radius:12px;padding:18px;margin:24px 0}
.facts h2{font-size:1.12rem;margin-bottom:8px}
.facts dl{margin:0}
.facts dl>div{display:grid;grid-template-columns:132px 1fr;gap:4px 12px;padding:8px 0;border-top:1px solid #e2e8f0}
.facts dl>div:first-child{border-top:0}
.facts dt{font-weight:700;font-size:.9rem}
.facts dd{margin:0;font-size:.93rem}
@media(max-width:540px){.facts dl>div{grid-template-columns:1fr}}
.est-sec{margin:8px 0}
.est{background:#fff;border:2px solid #e2e8f0;border-radius:14px;padding:20px;margin:16px 0}
.est label{display:block;font-weight:700;margin-bottom:14px}
.est select,.est input[type=range]{width:100%;margin-top:8px;padding:12px;font-size:1rem;border:1px solid #e2e8f0;border-radius:8px;background:#fff;color:inherit;font-family:inherit}
.est-out{background:#f4f7fa;border-radius:10px;padding:16px;margin-top:4px;text-align:center}
.est-range{font-size:1.25rem;margin-bottom:8px}
.hiw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:16px 0}
.hiw-step{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:16px}
.hiw-step .n{display:inline-block;background:#1a9e4b;color:#fff;font-weight:800;width:30px;height:30px;border-radius:50%;text-align:center;line-height:30px;margin-bottom:8px}
.hiw-step h3{margin:0 0 6px;font-size:1.02rem}
.hiw-step p{margin:0;font-size:.93rem}
.area-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:16px 0}
.area-card{display:block;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:14px 16px;text-decoration:none;color:inherit}
.area-card:hover{border-color:#1a9e4b}
.area-card strong{display:block;margin-bottom:4px}
.area-card span{font-size:.88rem;color:#5c5c5c}
.emg{background:#991b1b;color:#fff;padding:16px 18px;text-align:center;font-size:1.02rem}
.emg a{color:#fff;font-weight:800}
.est-band{background:#0b5cab;color:#fff;padding:20px 18px;text-align:center}
.est-band a{color:#fff}