:root{--paper:#f7f2e9;--paper2:#fffdf8;--ink:#27231f;--muted:#746d63;--line:#ded5c8;--accent:#62756c;--accentSoft:#e4ebe6;--shadow:0 18px 55px rgba(64,48,30,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang HK","PingFang TC","Noto Sans TC","Helvetica Neue",Arial,sans-serif;line-height:1.78}a{color:inherit;text-decoration:none}.topbar{height:60px;position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid rgba(110,96,80,.14);backdrop-filter:blur(18px);background:rgba(247,242,233,.9)}.brand{font-family:Georgia,"Times New Roman",serif;letter-spacing:.06em;font-size:16px}.topright{display:flex;gap:8px}.pill{border:1px solid var(--line);background:rgba(255,253,248,.82);border-radius:999px;padding:8px 12px;color:var(--muted)}
.coverwrap{max-width:1180px;margin:0 auto;padding:38px 24px 44px}.cover{display:grid;grid-template-columns:1.08fr .92fr;background:var(--paper2);border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow);min-height:620px}.covercopy{padding:66px 58px;display:flex;flex-direction:column}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700}.cover h1{font-family:Georgia,"PingFang HK","PingFang TC",serif;font-weight:500;font-size:clamp(48px,6vw,76px);line-height:1.05;letter-spacing:-.035em;margin:20px 0}.cover h1 span{display:block;font-family:"PingFang HK","PingFang TC",serif;font-size:.55em;line-height:1.25;margin-top:12px}.deck{font-size:18px;color:var(--muted);max-width:560px;margin:0 0 34px}.actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border:1px solid var(--ink);background:var(--ink);color:white;padding:14px 22px;border-radius:999px;font-weight:700;box-shadow:0 8px 22px rgba(39,35,31,.16);transition:transform .15s ease,box-shadow .15s ease}.btn:hover{transform:translateY(-1px);box-shadow:0 11px 28px rgba(39,35,31,.20)}.btn.alt{background:transparent;color:var(--ink);border-color:var(--line);box-shadow:none}.actions .btn:first-child{min-width:154px;text-align:center;font-size:16px}.covermeta{margin-top:auto;padding-top:36px;display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}.visual{background:#dce6df;overflow:hidden}.visual img{width:100%;height:100%;object-fit:cover;display:block}
.quick,.toc{max-width:960px;margin:0 auto;padding:30px 24px 90px}.kicker{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--accent);font-weight:700}.quick h2,.toc h2{font-family:Georgia,"PingFang HK","PingFang TC",serif;font-size:34px;font-weight:500;margin:8px 0 24px}.stagegrid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.stage{border:1px solid var(--line);background:rgba(255,253,248,.7);border-radius:18px;padding:18px;min-height:138px}.stage small{color:var(--muted)}.stage strong{display:block;margin:8px 0 12px}.stage a{color:var(--accent);font-weight:700}.part{margin:30px 0 38px}.partlabel{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:13px;margin-bottom:8px}.partlabel:after{content:"";height:1px;background:var(--line);flex:1}.tocitem{display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;border-bottom:1px solid var(--line);padding:15px 0}.tocnum{font-family:Georgia,serif;font-size:23px;color:#9a9084}.tocitem small{display:block;color:var(--muted);margin-top:3px}
.readerbar{position:sticky;top:60px;z-index:35;height:52px;background:rgba(255,253,248,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 18px;font-size:13px}.readerbar .center{color:var(--muted)}.readerbar .right{text-align:right}.progress{position:absolute;left:0;bottom:-1px;height:2px;background:var(--accent)}.readerlayout{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:220px minmax(0,720px) 170px;gap:36px;padding:46px 22px 90px}.side{position:sticky;top:132px;height:max-content;font-size:13px;color:var(--muted)}.side div,.side a{display:block;padding:6px 0}.side .active{color:var(--ink);font-weight:700}.article{background:rgba(255,253,248,.9);border:1px solid var(--line);border-radius:24px;box-shadow:0 14px 36px rgba(59,46,31,.055);padding:54px 60px}.chapterlabel{font-size:12px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;font-weight:700}.article h1{font-family:Georgia,"PingFang HK","PingFang TC",serif;font-size:43px;line-height:1.22;font-weight:500;letter-spacing:-.025em;margin:16px 0 10px}.subtitle{font-size:17px;color:var(--muted);margin-bottom:34px}.article p{font-size:17px;margin:0 0 20px}.article h2{font-family:Georgia,"PingFang HK","PingFang TC",serif;font-size:26px;line-height:1.38;font-weight:500;margin:42px 0 14px}.article ul{padding-left:22px;margin:0 0 22px}.article li{margin:8px 0}.question{margin:30px 0;padding:22px 24px;border:1px solid var(--line);background:#fbf8f2;border-radius:18px}.question strong{display:block;margin-bottom:8px}.question p:last-child{margin-bottom:0}.note{margin:30px 0;padding:20px 22px;background:var(--accentSoft);border-left:3px solid var(--accent);border-radius:0 16px 16px 0}.tool{display:block;margin:30px 0;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:18px}.tool.clickable:hover{box-shadow:0 8px 22px rgba(0,0,0,.05);transform:translateY(-1px)}.tool span{font-size:11px;letter-spacing:.14em;color:var(--accent);font-weight:700;display:block;margin-bottom:6px}.tool strong{display:block;font-size:17px}.tool p{font-size:14px;color:var(--muted);margin:6px 0 0}.tool-open{margin-top:9px}.triage{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:26px 0}.triage>div{border:1px solid var(--line);border-radius:16px;padding:16px;background:#fff}.checklist{columns:2}.book-figure{margin:34px 0 38px}.book-figure img{display:block;width:100%;height:auto;border-radius:18px;border:1px solid var(--line);background:#fff}.book-figure.photo-figure img{aspect-ratio:16/9;object-fit:cover}.book-figure.reference-figure img,.book-figure.mewday-figure img{object-fit:contain;max-height:980px;background:#fbf8f2}.book-figure figcaption{padding:10px 4px 0;color:var(--muted);font-size:12px;line-height:1.55}.related,.internal-related{margin-top:46px;padding-top:28px;border-top:1px solid var(--line)}.related>small,.internal-related>small{font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:700}.related h3{font-family:Georgia,"PingFang HK",serif;font-size:24px;font-weight:500;margin:5px 0 15px}.linkgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.linkcard{display:block;border:1px solid var(--line);border-radius:15px;padding:15px;background:#fff}.linkcard span{font-size:10px;letter-spacing:.12em;color:var(--accent);font-weight:700}.linkcard strong{display:block;margin:5px 0}.linkcard small{color:var(--muted);line-height:1.45;display:block}.chapterchips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.chapterchip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 12px;font-size:12px}.navchap{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}.navchap a{text-align:left;border:1px solid var(--line);background:#fff;border-radius:18px;padding:18px 20px;min-height:82px;box-shadow:0 5px 16px rgba(39,35,31,.05);transition:transform .15s ease,box-shadow .15s ease}.navchap a:hover{transform:translateY(-1px);box-shadow:0 9px 22px rgba(39,35,31,.09)}.navchap a:last-child{background:var(--ink);border-color:var(--ink);color:#fff;box-shadow:0 9px 24px rgba(39,35,31,.18)}.navchap a:last-child small{color:rgba(255,255,255,.68)}.navchap small{display:block;color:var(--muted);margin-bottom:4px}.navchap strong{font-size:15px;line-height:1.4}.margin{position:sticky;top:134px;height:max-content;font-size:12px;color:var(--muted)}.margin .card{border-top:1px solid var(--line);padding-top:10px;margin-bottom:22px}.margin strong{color:var(--ink);display:block;margin-bottom:4px}.footer{border-top:1px solid var(--line);padding:34px 20px 60px;text-align:center;color:var(--muted);font-size:12px}
@media(max-width:900px){.cover{grid-template-columns:1fr}.covercopy{padding:46px 26px 30px}.visual{min-height:340px}.stagegrid{grid-template-columns:1fr 1fr}.readerlayout{display:block;padding:20px 12px 84px}.side,.margin{display:none}.article{padding:36px 24px;border-radius:20px;box-shadow:none}.article h1{font-size:34px}.article p{font-size:16.5px;line-height:1.88}.triage{grid-template-columns:1fr}.checklist{columns:1}}
@media(max-width:560px){.topbar{height:56px;padding:0 12px}.brand{font-size:14px}.desktoponly{display:none}.coverwrap{padding:18px 12px 30px}.cover{border-radius:20px}.covercopy{padding:34px 22px 26px}.cover h1{font-size:42px}.deck{font-size:16px}.visual{min-height:286px}.quick,.toc{padding:24px 16px 68px}.stagegrid{grid-template-columns:1fr}.tocitem{grid-template-columns:40px 1fr auto}.readerbar{top:56px;padding:0 12px}.readerbar .center{font-size:12px}.readerlayout{padding:12px 8px 92px}.article{padding:30px 18px;background:rgba(255,253,248,.98);border-radius:16px}.article h1{font-size:30px}.article h2{font-size:23px}.linkgrid,.navchap{grid-template-columns:1fr}.book-figure.photo-figure img{aspect-ratio:4/3}}

.source-note{margin:22px 0 8px;padding-top:14px;border-top:1px solid var(--line,#ddd);color:#6f6a63;line-height:1.7}.source-note a{color:inherit;text-decoration:underline;text-underline-offset:3px}
/* Quick Find */
.quickfind-home{max-width:960px;margin:0 auto;padding:18px 24px 52px}.quickfind-home h2{font-family:Georgia,"PingFang HK","PingFang TC",serif;font-size:34px;font-weight:500;margin:8px 0 8px}.quickfind-home>p{margin:0 0 20px;color:var(--muted)}.qf-homegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.qf-homegrid a{background:rgba(255,253,248,.84);border:1px solid var(--line);border-radius:16px;padding:15px 16px;min-height:88px}.qf-homegrid strong{display:block;font-size:14px;margin-bottom:4px}.qf-homegrid span{display:block;color:var(--muted);font-size:12px;line-height:1.45}.qf-more{margin-top:14px;border:0;background:transparent;padding:8px 0;color:var(--accent);font:inherit;font-weight:700;cursor:pointer}.quickfind-cover-btn{font-family:inherit;cursor:pointer}.qf-fab{position:fixed;right:20px;bottom:22px;z-index:48;border:1px solid rgba(255,255,255,.18);background:var(--ink);color:#fff;border-radius:999px;padding:12px 17px;font:inherit;font-size:13px;font-weight:700;box-shadow:0 10px 30px rgba(39,35,31,.22);cursor:pointer}.qf-overlay{display:none;position:fixed;inset:0;z-index:90}.qf-overlay.open{display:block}.qf-backdrop{position:absolute;inset:0;background:rgba(24,21,18,.38);backdrop-filter:blur(4px)}.qf-sheet{position:absolute;right:18px;bottom:18px;width:min(520px,calc(100vw - 36px));max-height:min(720px,calc(100vh - 36px));overflow:auto;background:var(--paper2);border:1px solid var(--line);border-radius:24px;box-shadow:0 28px 80px rgba(30,25,20,.25);padding:24px}.qf-head{display:flex;gap:16px;justify-content:space-between}.qf-head small{font-size:10px;letter-spacing:.15em;color:var(--accent);font-weight:700}.qf-head h2{font-family:Georgia,"PingFang HK","PingFang TC",serif;font-size:28px;font-weight:500;line-height:1.25;margin:4px 0 4px}.qf-head p{font-size:14px;color:var(--muted);margin:0}.qf-close{flex:0 0 36px;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:24px;line-height:1;cursor:pointer;color:var(--muted)}.qf-searchwrap{position:sticky;top:-24px;background:var(--paper2);padding:18px 0 10px;z-index:2}.qf-search{width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;font:inherit;font-size:15px;outline:none}.qf-search:focus{border-color:#a7b3ac;box-shadow:0 0 0 3px rgba(98,117,108,.10)}.qf-list{display:grid;gap:8px}.qf-item{display:grid;grid-template-columns:1fr auto;column-gap:12px;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff}.qf-item strong{display:block;font-size:14px}.qf-item span{grid-column:1/2;color:var(--muted);font-size:12px;margin-top:2px}.qf-item b{grid-column:2;grid-row:1/3;align-self:center;color:var(--accent);font-size:16px}.qf-empty{display:none;color:var(--muted);font-size:13px;padding:18px 4px}.qf-open{overflow:hidden}
@media(max-width:900px){.qf-homegrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.quickfind-home{padding:16px 16px 48px}.quickfind-home h2{font-size:28px}.qf-homegrid{grid-template-columns:1fr 1fr;gap:8px}.qf-homegrid a{padding:13px;min-height:82px}.qf-fab{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));padding:11px 15px}.qf-sheet{left:0;right:0;bottom:0;width:100%;max-height:82vh;border-radius:22px 22px 0 0;border-bottom:0;padding:20px 16px calc(20px + env(safe-area-inset-bottom))}.qf-searchwrap{top:-20px}.qf-head h2{font-size:25px}.qf-item{padding:12px 13px}}

/* handbook-site-shell-v2 */
.visual img{object-position:right center}
.readerbar{top:74px}
@media(max-width:900px){.readerbar{top:74px}}

/* handbook-hero-no-crop-final */
.cover .visual{background:#f5efe6!important;display:flex!important;align-items:center!important;justify-content:center!important;overflow:hidden!important;padding:18px!important}
.cover .visual img{width:90%!important;height:auto!important;max-width:90%!important;max-height:90%!important;object-fit:contain!important;object-position:center center!important;display:block!important}
@media(max-width:760px){.cover .visual{padding:12px!important}.cover .visual img{width:94%!important;max-width:94%!important;max-height:94%!important}}