:root{--brand:#ffcd00;--ink:#0a0a0a;--muted:#5b5b5b;--bg:#f7f7f7;--card:#ffffff;--accent:#004d57}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:24px}
.header{position:sticky;top:0;background:#fff;border-bottom:1px solid #ececec;z-index:10}
.nav{display:flex;align-items:center;gap:16px;justify-content:space-between;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:0.5px}
.badge{width:28px;height:28px;border-radius:999px;background:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.cta{background:var(--accent);color:#fff;padding:10px 16px;border-radius:999px;box-shadow:0 6px 16px rgba(0,0,0,.08)}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:28px 0}
.hero h1{font-size:42px;line-height:1.1;margin:0 0 12px}
.hero p{color:var(--muted);margin:0 0 16px}
.hero img{width:100%;border-radius:16px;box-shadow:0 12px 30px rgba(0,0,0,.08)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);padding:20px;border-radius:16px;box-shadow:0 6px 24px rgba(0,0,0,.06);border:1px solid #eee}
.card h3{margin-top:0}
.section{padding:28px 0}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#f0f0f0;padding:2px 6px;border-radius:6px}
.faq-item{border-bottom:1px solid #eee;padding:12px 8px}
.faq-item summary{cursor:pointer;font-weight:600}
.footer{margin-top:40px;background:#0f172a;color:#e6e6e6}
.footer a{color:#fff;text-decoration:underline}
.footer-inner{display:grid;grid-template-columns:2fr 1fr;gap:20px;padding:24px 0}
small, .muted{color:#c9c9c9}
.img-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.img-row img{width:100%;height:auto;border-radius:12px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid #eee;text-align:left}
.notice{background:#fff7d1;border:1px solid #ffe28a;padding:12px;border-radius:12px}