*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Source Serif 4",Georgia,serif;background:#e7e1d6;color:#1c2430;line-height:1.75;font-size:17.5px}
a{color:#9a3412}
.book{max-width:880px;margin:18px auto;background:#fbf7ef;border:1px solid #cfc6b6;min-height:calc(100vh - 36px)}
.spine{background:#1e3a5f;color:#fbf7ef;padding:14px 18px;display:flex;justify-content:space-between;align-items:center}
.brand{color:#fbf7ef;text-decoration:none;font-family:"Segoe UI",sans-serif;font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem}
.year{font-family:"Segoe UI",sans-serif;font-size:.75rem;letter-spacing:.08em}
.tabs{display:flex;gap:0;background:#efe7d8;border-bottom:1px solid #cfc6b6;padding:0 12px}
.tabs a{font-family:"Segoe UI",sans-serif;text-decoration:none;color:#1e3a5f;font-size:.75rem;font-weight:700;padding:12px 14px;border-right:1px solid #cfc6b6}
.tabs a.active{background:#fbf7ef;color:#9a3412}
.burger{display:none;margin:8px 12px;background:#1e3a5f;color:#fff;border:0;padding:8px 12px;cursor:pointer}
.page{padding:26px 28px 44px}
.k{font-family:"Segoe UI",sans-serif;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#9a3412;margin-bottom:8px}
h1{font-size:clamp(1.55rem,4vw,2.2rem);line-height:1.15;margin:0 0 12px}
h2{font-size:1.18rem;margin:22px 0 8px}
p,li{margin:0 0 12px;color:#2c3644}
ul{margin:0 0 14px 1.15em}
.lead{color:#5c6b7a;margin-bottom:14px}
.pic{display:block;width:100%;height:auto;margin:10px 0 6px}
.cap{font-size:.84rem;color:#6c7a88;margin:0 0 16px;font-style:italic}
table{width:100%;border-collapse:collapse;font-size:.92rem;margin:8px 0 16px}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid #e4dccb;vertical-align:top}
th{font-family:"Segoe UI",sans-serif;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#1e3a5f}
.note{margin-top:18px;padding-top:12px;border-top:2px solid #1e3a5f;font-size:.9rem;color:#5c6b7a}
@media(max-width:760px){
  .book{margin:0}
  .tabs{display:none;flex-direction:column}
  .tabs.open{display:flex}
  .burger{display:inline-block}
  .page{padding:18px 14px 32px}
  table{font-size:.82rem}
}