:root{--brand:#f2a900;--dark:#14202b;--ink:#1d2a36;--muted:#5b6875;--bg:#f7f8fa;--card:#fff;--line:#e3e7ec}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
header{background:var(--dark);color:#fff;position:sticky;top:0;z-index:10}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;text-decoration:none}
.logo svg{width:42px;color:var(--brand)}
.logo span b{color:var(--brand)}
nav ul{display:flex;gap:4px;list-style:none;flex-wrap:wrap}
nav a{text-decoration:none;padding:8px 12px;border-radius:6px;font-size:.95rem;opacity:.9}
nav a:hover,nav a.on{background:rgba(255,255,255,.1);opacity:1}
nav a.on{color:var(--brand)}
.hero{background:linear-gradient(135deg,#14202b 0%,#22374a 100%);color:#fff;padding:80px 0 70px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-80px;bottom:-80px;width:360px;height:360px;border-radius:50%;background:var(--brand);opacity:.12}
.hero h1{font-size:clamp(2rem,4.5vw,3.2rem);line-height:1.15;max-width:760px;margin-bottom:18px}
.hero p{font-size:1.15rem;max-width:640px;opacity:.9}
.tag{display:inline-block;background:var(--brand);color:var(--dark);font-weight:700;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:30px;margin-bottom:18px}
.btn{display:inline-block;margin-top:28px;background:var(--brand);color:var(--dark);font-weight:700;padding:14px 26px;border-radius:8px;text-decoration:none}
.btn.ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4);margin-left:10px}
section{padding:64px 0}
section.alt{background:#fff}
h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px;color:var(--dark)}
h3{font-size:1.2rem;margin-bottom:8px;color:var(--dark)}
.lead{color:var(--muted);max-width:760px;margin-bottom:34px;font-size:1.05rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px;transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(20,32,43,.08)}
.card .ic{width:46px;height:46px;border-radius:10px;background:#fff4d6;display:grid;place-items:center;font-size:1.4rem;margin-bottom:14px}
.card a.more{display:inline-block;margin-top:12px;font-weight:700;color:#b07a00;text-decoration:none}
.prose{max-width:820px}
.prose p{margin-bottom:16px}
.prose ul{margin:0 0 18px 22px}
.prose li{margin-bottom:6px}
.prose h2{margin-top:36px}
.size{border-top:5px solid var(--brand)}
.size .yd{font-size:2.4rem;font-weight:800;color:var(--dark);line-height:1}
.size .yd small{font-size:1rem;color:var(--muted);font-weight:600}
.size ul{margin:12px 0 0 18px;color:var(--muted)}
.steps{counter-reset:s}
.steps .card{position:relative;padding-top:44px}
.steps .card:before{counter-increment:s;content:counter(s);position:absolute;top:-18px;left:24px;width:40px;height:40px;border-radius:50%;background:var(--brand);color:var(--dark);font-weight:800;display:grid;place-items:center}
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 22px;margin-bottom:12px}
summary{font-weight:700;cursor:pointer;color:var(--dark)}
details p{margin-top:10px;color:var(--muted)}
.cta{background:var(--brand);color:var(--dark);text-align:center;padding:60px 0}
.cta h2{color:var(--dark)}
.cta .btn{background:var(--dark);color:#fff}
footer{background:var(--dark);color:#c8d0d8;padding:44px 0 24px;font-size:.92rem}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px;margin-bottom:26px}
footer h4{color:#fff;margin-bottom:10px}
footer ul{list-style:none}
footer li{margin-bottom:6px}
footer a{text-decoration:none}
footer a:hover{color:var(--brand)}
.copy{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;text-align:center}
@media(max-width:700px){.bar{justify-content:center}nav ul{justify-content:center}.btn.ghost{margin-left:0}.hero{padding:56px 0}}