:root{
  --bg:#f7f8fb; --surface:#ffffff; --ink:#293241; --muted:#667085; --accent:#ff8400; --accent-ink:#ffffff;
  --line:#e5e7eb; --radius:16px; --shadow:0 10px 30px rgba(17,24,39,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);}
a{color:#0f6fec;text-decoration:none} a:hover{text-decoration:underline}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.2px}
.brand .logo{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#ffb86c)}
.brand span{font-size:18px}
nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
nav a{font-weight:600}
.hero{background:linear-gradient(180deg,#fff, #fff 40%, #f7f8fb);border-bottom:1px solid var(--line);}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;padding:52px 0}
.hero h1{margin:0 0 14px 0;font-size:40px;line-height:1.1}
.hero p{margin:0 0 20px 0;color:var(--muted)}
.cta{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:12px 18px;border-radius:999px;font-weight:700;box-shadow:var(--shadow)}
.badge{display:inline-block;background:#fff2e6;color:#8a4b0c;border:1px solid #ffd8a8;padding:6px 10px;border-radius:999px;font-weight:700}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card img{width:100%;height:180px;object-fit:cover;border-radius:12px;border:1px solid var(--line);background:#fff}
.card h3{margin:12px 0 8px 0}
.section{padding:40px 0}
.section h2{margin-top:0;font-size:28px}
.content{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.faq dt{font-weight:800;margin-top:18px}
.faq dd{margin:8px 0 16px 0;color:var(--muted)}
footer{margin-top:40px;background:#101827;color:#e5e7eb}
footer .cols{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;padding:24px 0}
footer a{color:#c7d2fe}
.notice{font-size:13px;color:#6b7280;margin-top:8px}
kbd{background:#f3f4f6;border:1px solid #e5e7eb;border-bottom-color:#d1d5db;border-radius:6px;padding:0 6px}
@media (max-width:900px){
 .hero .wrap{grid-template-columns:1fr}
 .grid-3{grid-template-columns:1fr}
 footer .cols{grid-template-columns:1fr}
}