*{box-sizing:border-box;margin:0;padding:0}
body{min-height:100vh;padding:38px 18px 48px;background:var(--bg);color:var(--ink);font-family:'Sarabun',sans-serif;background-image:radial-gradient(circle at 15% 5%,rgba(220,229,200,.48) 0%,transparent 40%)}
.container{max-width:720px;margin:0 auto}
.back-link{display:inline-flex;align-items:center;min-height:44px;margin-bottom:24px;padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--muted);text-decoration:none;font-size:13px;font-weight:600}
header{text-align:center;margin-bottom:26px}
.eyebrow{font-size:11px;text-transform:uppercase;margin-bottom:10px}
h1{font-family:'Fraunces',serif;font-weight:400;font-size:clamp(32px,6vw,46px);line-height:1.08;margin-bottom:10px}
h1 em{font-style:italic;color:var(--accent-deep)}
.subtitle{max-width:560px;margin:auto;font-size:14px;line-height:1.7;color:var(--muted)}
.card{margin-bottom:14px;padding:22px 20px;border:1px solid var(--line);border-radius:18px;background:var(--card);box-shadow:var(--shadow)}
.card h2{font-family:'Fraunces',serif;font-size:21px;font-weight:500;color:var(--accent-deep);margin-bottom:12px}
.card h3{font-size:14px;color:var(--ink);margin:16px 0 7px}
.card p,.card li{font-size:13.5px;line-height:1.7}
.card p+p{margin-top:8px}
.card ol,.card ul{padding-left:22px}
.card li+li{margin-top:7px}
.tip,.warning{margin-top:14px;padding:12px 13px;border-radius:13px;font-size:13px;line-height:1.6}
.tip{background:var(--accent-soft);border:1px solid #d7dfc7;color:var(--accent-deep)}
.warning{background:#fff6f1;border:1px solid #e0c1b6;color:var(--rose-deep)}
.links{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:18px}
.links a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:11px 14px;border:1px solid var(--line);border-radius:13px;background:var(--card);color:var(--accent-deep);text-decoration:none;font-size:13px;font-weight:600}
.site-footer{margin-top:30px;padding-top:16px;border-top:1px solid var(--line);text-align:center;font-size:12px;color:var(--muted);line-height:1.8}
.site-footer a{color:var(--accent-deep)}
@media(max-width:640px){body{padding:24px 12px 38px}.back-link{margin-bottom:18px}.card{padding:18px 15px;border-radius:16px}.card p,.card li{font-size:14px}.links{grid-template-columns:1fr}}