.book{padding:40px 0 80px;max-width:640px;margin:0 auto}
.book h1{font-size:clamp(26px,3.4vw,38px);margin:8px 0 12px;font-weight:500}
.lead{color:var(--muted);margin-bottom:36px}
.conf{padding:24px 0;border-top:1px solid var(--gold);scroll-margin-top:80px}
.conf .no{font-size:11px;letter-spacing:.2em;color:var(--gold);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
.conf h2{font-size:22px;font-weight:500;margin:10px 0 8px}
.conf p{font-size:14px;color:var(--muted);margin-bottom:16px}
.conf img{width:160px;height:90px;object-fit:cover;margin-bottom:16px}