/* 可核對規則。內容欄與文章索引同一寬度。 */
.pg-rules{--rl-brand:#046bd2;--rl-brand-2:#045cb4;--rl-ink:#0a1428;--rl-ink2:#3d4a61;--rl-ink3:#566176;--rl-line:#e6ecf5;--rl-soft:#f5f8fd;color:var(--rl-ink);font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;font-size:16px;line-height:1.75}
.pg-rules *,.pg-rules *::before,.pg-rules *::after{box-sizing:border-box}
.pg-rules h1,.pg-rules h2,.pg-rules h3{color:var(--rl-ink);font-weight:600;margin:0}
.pg-rules h1{font-size:clamp(28px,3.4vw,42px);line-height:1.3;letter-spacing:-.01em}
.pg-rules p{margin:0}
.pg-rules a{color:#1746a2;text-decoration:none}
.pg-rules a:hover{color:var(--rl-brand-2)}
.pg-rules a:focus-visible,.pg-rules button:focus-visible,.pg-rules input:focus-visible{outline:3px solid #f59e0b;outline-offset:2px;border-radius:6px}
.pg-rules .rl-hero,.pg-rules .rl-layout{width:min(1366px,calc(100% - 48px));margin-inline:auto}
.pg-rules .rl-hero{padding:28px 0 22px;border-bottom:1px solid var(--rl-line)}
.pg-rules .rl-lead{margin-top:12px;max-width:42em;color:var(--rl-ink2)}
.pg-rules .rl-stat{margin-top:14px;color:var(--rl-ink3);font-size:14.5px}
.pg-rules .rl-stat strong{color:var(--rl-brand);font-variant-numeric:tabular-nums}
.pg-rules .rl-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;margin:28px auto 64px;align-items:start}
.pg-rules .rl-side{position:sticky;top:16px}
.pg-rules .rl-side h2{font-size:15px;color:var(--rl-ink3);margin-bottom:10px}
.pg-rules .rl-cats{display:flex;flex-direction:column;gap:4px}
.pg-rules .rl-cat{display:flex;justify-content:space-between;gap:10px;align-items:center;width:100%;text-align:left;padding:7px 9px;border:0;border-radius:9px;background:transparent;color:var(--rl-ink2);font:inherit;font-size:14.5px;cursor:pointer}
.pg-rules .rl-cat span{color:var(--rl-ink3);font-size:12.5px;font-variant-numeric:tabular-nums}
.pg-rules .rl-cat:hover,.pg-rules .rl-cat.is-active{background:var(--rl-soft);color:var(--rl-brand)}
.pg-rules .rl-cat.is-active{font-weight:600}
.pg-rules .rl-search{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
.pg-rules .rl-search label{font-size:14px;color:var(--rl-ink3)}
.pg-rules .rl-search input{width:100%;padding:10px 14px;border:1px solid var(--rl-line);border-radius:10px;font:inherit;background:#fff;color:var(--rl-ink)}
.pg-rules .rl-none,.pg-rules .rl-empty{padding:28px 0;color:var(--rl-ink3)}
.pg-rules .rl-group{margin-top:28px}
.pg-rules .rl-group h2{font-size:18px;padding-bottom:8px;border-bottom:1px solid var(--rl-line)}
.pg-rules .rl-group h2 span{color:var(--rl-ink3);font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.pg-rules .rl-post{padding:18px 0 4px;border-bottom:1px solid var(--rl-line)}
.pg-rules .rl-post h3{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline;font-size:17px;line-height:1.45}
.pg-rules .rl-main,.pg-rules .rl-side,.pg-rules .rl-group,.pg-rules .rl-post,.pg-rules .rl-rule{min-width:0}
.pg-rules .rl-rule{display:block}
.pg-rules .rl-post h3 a,.pg-rules .rl-text,.pg-rules .rl-line,.pg-rules .rl-check{overflow-wrap:anywhere}
.pg-rules .rl-post time{color:var(--rl-ink3);font-size:13px;font-weight:500}
.pg-rules .rl-post ol{list-style:none;margin:8px 0 0;padding:0}
.pg-rules .rl-rule{padding:14px 0 16px;border-top:1px solid var(--rl-line)}
.pg-rules .rl-rule:first-child{border-top:0}
.pg-rules .rl-text{font-size:16.5px;line-height:1.65;font-weight:600}
.pg-rules .rl-line{margin-top:6px;color:var(--rl-ink2);font-size:14.5px}
.pg-rules .rl-line span{color:var(--rl-brand-2);font-weight:600}
.pg-rules .rl-check{margin:8px 0 0;padding-left:1.15em;color:var(--rl-ink2);font-size:14.5px}
.pg-rules .rl-source{display:inline-block;margin-top:8px;font-size:14px}
.pg-rules .rl-group.is-hidden,.pg-rules .rl-post.is-hidden,.pg-rules .rl-rule.is-hidden{display:none}
@media(max-width:800px){
  .pg-rules .rl-hero,.pg-rules .rl-layout{width:min(1366px,calc(100% - 32px))}
  .pg-rules .rl-layout{grid-template-columns:minmax(0,1fr);gap:18px}
  .pg-rules .rl-side{position:static}
  .pg-rules .rl-cats{flex-direction:row;flex-wrap:wrap}
  .pg-rules .rl-cat{width:auto}
}
@media(prefers-reduced-motion:reduce){
  .pg-rules .rl-cat{transition:none}
}

/* 規則索引：清晰的閱讀層級與較短的結果清單。 */
.pg-rules{background:linear-gradient(180deg,#f3f7fd 0,#fff 390px)}
.pg-rules .rl-hero{padding:40px 0 30px}
.pg-rules .rl-eyebrow{color:var(--rl-brand-2);font-size:12px;font-weight:600;letter-spacing:.12em;margin-bottom:10px}
.pg-rules .rl-lead{max-width:45em;line-height:1.85}
.pg-rules .rl-metrics{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:24px;color:var(--rl-ink3);font-size:14px}
.pg-rules .rl-metrics strong{display:inline-block;margin-right:6px;color:var(--rl-ink);font-size:27px;line-height:1.2;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.pg-rules .rl-stat{font-size:13px;max-width:70em}
.pg-rules .rl-layout{gap:32px;grid-template-columns:224px minmax(0,1fr)}
.pg-rules .rl-side{max-height:calc(100dvh - 32px);overflow:auto;overscroll-behavior:contain;padding:0 8px 8px 0;scrollbar-width:thin}
.pg-rules .rl-cat{min-height:42px;padding:8px 12px}
.pg-rules .rl-cat.is-active{background:#e8f1ff;box-shadow:inset 3px 0 var(--rl-brand)}
.pg-rules .rl-cat.is-active span{color:var(--rl-brand-2)}
.pg-rules .rl-search{padding:22px 24px;background:#fff;border:1px solid var(--rl-line);border-radius:16px;box-shadow:0 4px 20px #0a142805}
.pg-rules .rl-search label{color:var(--rl-ink);font-size:16px;font-weight:600}
.pg-rules .rl-search input{min-height:48px;background:#f8fafd;border-color:#ccd8e9}
.pg-rules .rl-help{font-size:12px;color:var(--rl-ink3);line-height:1.6;margin-top:2px}
.pg-rules .rl-result-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;font-size:13px;color:var(--rl-ink3)}
.pg-rules #rl-reset{background:transparent;color:var(--rl-brand-2);border:0;padding:8px 0;font:inherit;cursor:pointer;flex-shrink:0;text-decoration:underline;text-underline-offset:4px}
.pg-rules .rl-group{margin-top:20px}
.pg-rules .rl-group h2{display:flex;align-items:center;gap:10px;font-size:19px;border:0;padding:0 0 12px}
.pg-rules .rl-group h2 span{background:var(--rl-soft);border-radius:20px;padding:1px 9px;font-size:12px}
.pg-rules .rl-post{border:1px solid var(--rl-line);border-radius:14px;padding:22px 24px 4px;margin-bottom:16px;background:#fff}
.pg-rules .rl-post h3{font-size:18px;line-height:1.65;justify-content:space-between}
.pg-rules .rl-post h3 a{flex:1 1 300px;color:var(--rl-ink)}
.pg-rules .rl-post h3 a:hover{color:var(--rl-brand);text-decoration:underline;text-underline-offset:4px}
.pg-rules .rl-post-meta{font-size:12px;color:var(--rl-ink3);margin-top:5px}
.pg-rules .rl-rule{padding:20px 0;counter-increment:rule}
.pg-rules .rl-post ol{counter-reset:rule}
.pg-rules .rl-text{font-size:16px;line-height:1.85;font-weight:600}
.pg-rules .rl-text::before{content:counter(rule,decimal-leading-zero);font-size:12px;color:var(--rl-brand);margin-right:9px;font-variant-numeric:tabular-nums}
.pg-rules .rl-line{font-size:14px;line-height:1.85;margin-top:9px}
.pg-rules .rl-line span{display:inline-block;font-size:12px;border-radius:4px;background:#eff5ff;padding:0 6px;margin-right:5px}
.pg-rules .rl-check-label{margin-top:14px;font-size:12px;font-weight:600;color:var(--rl-ink3)}
.pg-rules .rl-check{margin-top:4px;font-size:14px;line-height:1.8}
.pg-rules .rl-check li::marker{color:#8096b6}
.pg-rules .rl-source{font-size:13px;margin-top:12px;text-decoration:underline;text-underline-offset:4px}
.pg-rules .rl-none{border:1px dashed #ccd8e9;border-radius:14px;padding:32px 24px;background:var(--rl-soft)}
.pg-rules .rl-pagination{display:flex;align-items:center;justify-content:center;gap:20px;margin:28px 0;font-size:13px;color:var(--rl-ink3)}
.pg-rules .rl-pagination button{min-height:44px;padding:9px 18px;border:1px solid #ccd8e9;border-radius:8px;background:#fff;color:var(--rl-brand-2);font:inherit;cursor:pointer}
.pg-rules .rl-pagination button:hover:enabled{background:var(--rl-soft)}
.pg-rules .rl-pagination button:disabled{color:#738096;background:#f5f7fa;cursor:default}
.pg-rules .rl-note{font-size:12px;color:var(--rl-ink3);border-top:1px solid var(--rl-line);padding-top:20px;margin-top:28px}
.pg-rules #rl-results{scroll-margin-top:20px}
.pg-rules [hidden]{display:none!important}
@media(max-width:800px){
  .pg-rules .rl-hero{padding:28px 0 24px}
  .pg-rules .rl-layout{grid-template-columns:minmax(0,1fr);gap:20px;margin-top:20px}
  .pg-rules .rl-side{max-height:none;overflow:visible;padding:0}
  .pg-rules .rl-cats{flex-wrap:nowrap;overflow-x:auto;padding:0 0 10px;scrollbar-width:thin}
  .pg-rules .rl-cat{flex:0 0 auto;white-space:nowrap;border:1px solid var(--rl-line);border-radius:8px;font-size:13px;min-height:44px}
  .pg-rules .rl-cat.is-active{box-shadow:none;border-color:#bfd5f7}
  .pg-rules .rl-search{padding:18px 16px}
  .pg-rules .rl-post{padding:18px 16px 0}
  .pg-rules .rl-post h3{font-size:17px}
  .pg-rules .rl-result-bar{align-items:baseline;font-size:12px;padding:8px 0}
  .pg-rules .rl-metrics{gap:12px 20px}
  .pg-rules .rl-metrics strong{font-size:24px}
  .pg-rules .rl-pagination{gap:12px}
}

/* 讓 AI 引用依據，讓讀者回報這一版本的有效性。 */
.pg-rules .rl-ai{margin-top:24px;border:1px solid #cbdcf4;border-radius:12px;padding:16px 20px;background:#fff;max-width:1000px}
.pg-rules .rl-ai summary{cursor:pointer;font-weight:600;color:var(--rl-brand-2);font-size:16px;min-height:28px}
.pg-rules .rl-ai>p{margin-top:12px;font-size:14px;color:var(--rl-ink2)}
.pg-rules .rl-ai-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}
.pg-rules .rl-ai-actions button,.pg-rules .rl-vote button{font:inherit;font-size:13px;min-height:44px;padding:9px 14px;border:1px solid #bfd5f7;border-radius:8px;background:#edf4ff;color:var(--rl-brand-2);cursor:pointer}
.pg-rules .rl-ai-actions button:first-child{background:var(--rl-brand);border-color:var(--rl-brand);color:#fff}
.pg-rules .rl-ai-actions a{font-size:13px;text-decoration:underline;text-underline-offset:4px;padding:8px 0}
.pg-rules #rl-prompt-fallback{display:block;width:100%;min-height:240px;margin-top:12px;padding:12px;font:inherit;font-size:13px;border:1px solid var(--rl-line);border-radius:8px}
.pg-rules .rl-rule-id{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:11px;line-height:1.8;color:var(--rl-ink3);margin-bottom:7px;font-variant-numeric:tabular-nums}
.pg-rules .rl-rule-id span{color:#64748b}
.pg-rules .rl-rule{scroll-margin-top:24px}
.pg-rules .rl-feedback{margin-top:16px;padding:14px 16px;border-radius:10px;background:#f7f9fc;border:1px solid #edf1f7}
.pg-rules .rl-rating-summary{font-size:12px;color:var(--rl-ink2);line-height:1.9;font-variant-numeric:tabular-nums}
.pg-rules .rl-vote{margin-top:10px}
.pg-rules .rl-vote label{display:block;font-size:13px;color:var(--rl-ink2)}
.pg-rules .rl-vote-controls{display:flex;gap:8px;margin-top:6px;flex-wrap:wrap}
.pg-rules .rl-vote select{font:inherit;font-size:13px;color:var(--rl-ink);background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:9px 12px;min-height:44px;max-width:100%}
.pg-rules .rl-vote-message{font-size:12px;color:var(--rl-ink2);margin-top:6px;line-height:1.7}
.pg-rules button:disabled{opacity:.65;cursor:wait}
.pg-rules summary:focus-visible,.pg-rules select:focus-visible,.pg-rules textarea:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}
@media(max-width:800px){
  .pg-rules .rl-ai{padding:14px 16px}
  .pg-rules .rl-feedback{padding:12px}
  .pg-rules .rl-rule-id{gap:2px 8px}
}