.rules-page a{text-underline-offset:4px}.rules-page .topbar nav a{text-decoration:none}.rulebook{max-width:1180px;margin:0 auto;padding:66px 42px}.rulebook-heading{padding:0 0 46px;border-bottom:1px solid var(--line)}.rulebook-heading h1{font-family:"Songti SC",Georgia,serif;font-size:clamp(32px,4.4vw,54px);line-height:1.4;font-weight:500;margin:0 0 22px;letter-spacing:2px}.rulebook-heading>p:not(.eyebrow){font-size:14px;line-height:1.9;color:var(--muted);max-width:520px}.rule-facts{display:flex;flex-wrap:wrap;gap:16px 32px;margin-top:27px;color:var(--gold);font-size:12px}.book-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:54px;margin-top:46px}.book-nav{align-self:start;position:sticky;top:28px;display:flex;flex-direction:column;gap:5px}.book-nav p{font-size:11px;letter-spacing:2px;color:var(--gold);margin:0 0 15px}.book-nav a{padding:9px 0;font-size:12px;color:var(--muted);text-decoration:none}.book-nav a:hover{color:var(--gold)}.book-content{min-width:0}.book-content section{scroll-margin-top:28px;margin-bottom:56px;padding-bottom:44px;border-bottom:1px solid var(--line)}.book-content .chapter{font-size:10px;letter-spacing:2px;color:var(--gold);margin:0 0 15px}.book-content h2{font-family:"Songti SC",Georgia,serif;font-size:29px;line-height:1.4;font-weight:500;margin:0 0 22px}.book-content h3{font-size:16px;margin:29px 0 12px;font-weight:550}.book-content p,.book-content li,.glossary dd{font-size:14px;line-height:2;color:var(--muted)}.book-content strong{color:var(--cream);font-weight:550}.book-content ul,.book-content ol{padding-left:22px}.book-content li{padding-left:4px;margin:10px 0}.book-content .red{color:#ffb0a5}.book-content .rank-order{font:26px/1.8 Georgia,serif;word-spacing:8px;color:var(--cream)}.example{border-left:2px solid var(--gold);padding:16px 22px;background:#ffffff04;margin:23px 0}.example>strong{font-size:13px}.example>p{font-size:13px;margin:8px 0 0}.formula{padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:22px 0}.formula strong{display:block;font-size:23px;color:var(--gold)}.formula span{display:block;font-size:13px;color:var(--muted);line-height:1.9;margin-top:10px}.book-content .game-note{font-size:12px;padding:13px 17px;border:1px solid var(--line);border-radius:6px}.trick-example{display:flex;gap:12px;align-items:start;margin:19px 0 15px}.trick-example figure{margin:0;flex:1;min-width:0}.trick-example img{width:100%;max-width:105px;aspect-ratio:180/262;display:block;object-fit:fill;border-radius:5px}.trick-example figcaption{font-size:10px;color:var(--muted);margin-top:8px;line-height:1.8}.table-wrap{overflow-x:auto;margin:21px 0;scrollbar-width:thin}.table-wrap table{border-collapse:collapse;width:100%;font-size:12px;text-align:left;line-height:1.8}.table-wrap caption{text-align:left;font-size:11px;color:var(--gold);margin-bottom:12px}.table-wrap th{font-weight:500;color:var(--cream);padding:11px 12px;background:#ffffff07;white-space:nowrap}.table-wrap td{padding:12px;color:var(--muted);border-bottom:1px solid var(--line)}.table-wrap th:first-child,.table-wrap td:first-child{padding-left:0}.glossary{margin:0}.glossary>div{display:grid;grid-template-columns:125px minmax(0,1fr);gap:18px;padding:15px 0}.glossary dt{font-size:13px;font-weight:500;line-height:2;color:var(--cream)}.glossary dd{margin:0;font-size:13px}.return-game{display:inline-block;text-decoration:none;margin-top:20px;padding:13px 20px}.rule-source p{font-size:11px;line-height:1.9}.back-top{display:inline-block;margin-top:18px;font-size:12px;color:var(--gold)}
@media(max-width:800px){.rulebook{padding:40px 25px}.book-layout{grid-template-columns:1fr;gap:36px;margin-top:30px}.book-nav{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 15px;padding-bottom:24px;border-bottom:1px solid var(--line)}.book-nav p{grid-column:1/-1}.book-content h2{font-size:27px}.rulebook-heading{padding-bottom:30px}.rulebook-heading h1{letter-spacing:1px}}
@media(max-width:520px){.rulebook{padding:32px 18px}.rulebook-heading h1{font-size:30px}.rulebook-heading>p:not(.eyebrow){font-size:13px}.rule-facts{font-size:11px;gap:12px 22px}.book-content h2{font-size:24px}.book-content p,.book-content li{font-size:13px}.book-content .rank-order{font-size:22px;word-spacing:3px}.example{padding:14px 14px}.formula strong{font-size:21px}.trick-example{gap:7px}.trick-example figcaption{font-size:9px}.glossary>div{grid-template-columns:1fr;gap:3px;padding:13px 0}.book-content section{margin-bottom:35px;padding-bottom:28px}.table-wrap table{font-size:11px}.table-wrap td,.table-wrap th{padding:10px 7px}.book-nav a{font-size:11px}}
@media print{.topbar,.book-nav,.footer,.back-top,.return-game{display:none}.rules-page{background:white;color:black}.rulebook{padding:0;max-width:none}.book-layout{display:block}.book-content p,.book-content li,.glossary dd,.table-wrap td,.rule-source p,.example>strong,.book-content strong,.formula strong,.book-content .rank-order,.glossary dt{color:black}.book-content section{break-inside:auto}.example,.table-wrap{break-inside:avoid}.rulebook-heading h1{font-size:30px}.rulebook-heading{padding-bottom:15px}.book-content h2{font-size:23px}.book-content .chapter,.rulebook-heading p,.rule-facts{color:#444}}

/* Keep advanced detail available without overwhelming first-time players. */
.book-content .beginner-more{border:1px solid var(--line);border-radius:6px;padding:12px 16px;margin:24px 0}.book-content .beginner-more>summary{font-size:13px;line-height:1.7;color:var(--gold);padding:6px 0}.book-content .beginner-more[open]>summary{margin-bottom:16px}.book-content .beginner-more p{font-size:13px}.rules-page .brand{white-space:nowrap}@media(max-width:520px){.rules-page .brand{font-size:20px;letter-spacing:1px}.book-content .beginner-more{padding:10px 12px}}