/* 小衡 · Contemporary Eastern study companion. Shared by all workspaces. */
#platform-guide{--pg-accent:#934536;--pg-ink:#263c33;--pg-line:#d9d2c3;--pg-paper:#f8f6ef;--pg-muted:#657063;position:relative;z-index:1000;font:14px/1.8 var(--font-ui,system-ui,"Microsoft JhengHei",sans-serif);color:var(--pg-ink)}
#platform-guide *{box-sizing:border-box}#platform-guide [hidden]{display:none!important}
#platform-guide button,#platform-guide input{font:inherit}
#platform-guide button{cursor:pointer;border:1px solid var(--pg-line);border-radius:3px;background:var(--pg-paper);color:var(--pg-ink);padding:9px 12px;letter-spacing:.015em;min-height:40px;box-shadow:none}
#platform-guide button:hover{background:#eeeadf;border-color:#b3a58b}
#platform-guide button:focus-visible,#platform-guide a:focus-visible,#platform-guide input:focus-visible{outline:2px solid var(--pg-accent);outline-offset:3px}
#platform-guide .pg-dock{position:fixed;right:max(22px,env(safe-area-inset-right));bottom:calc(88px + env(safe-area-inset-bottom));width:142px;filter:drop-shadow(0 5px 12px #25372b1a)}
#platform-guide .pg-launch{display:block;width:100%;padding:0;border:0;background:transparent;text-align:left;overflow:visible;border-radius:4px}
#platform-guide .pg-launch:hover{background:transparent}
#platform-guide .pg-person{display:block;width:132px;height:158px;margin:0 auto -4px;position:relative;overflow:hidden}
#platform-guide .pg-person:before{content:"";position:absolute;inset:20px 5px 0;border:1px solid #c7b996;border-radius:75px 75px 0 0;background:linear-gradient(160deg,#eee9d9,#dedfce)}
#platform-guide .pg-person img{position:relative;display:block;width:132px;height:176px;max-width:none;object-fit:contain;object-position:center top}
#platform-guide .pg-label{position:relative;display:grid;grid-template-columns:1fr auto;gap:1px 10px;align-items:center;padding:11px 14px;background:var(--pg-paper);border:1px solid #c9bea7;border-top:2px solid #8b7753;border-radius:3px}
#platform-guide .pg-label strong{font:600 20px/1.4 var(--brand-serif,"PMingLiU",serif);letter-spacing:.1em}
#platform-guide .pg-label-subtitle{font-size:11px;line-height:1.6;color:var(--pg-muted);letter-spacing:.07em}
#platform-guide .pg-label b{grid-column:2;grid-row:1/3;font-size:22px;line-height:1;color:var(--pg-accent);font-weight:400}
#platform-guide .pg-minimize{position:absolute;right:-7px;top:12px;min-height:28px;width:28px;height:28px;padding:0;border:1px solid #d2c8b3;border-radius:50%;color:#72634e;background:#fbf9f2;line-height:24px}
#platform-guide .pg-mini-portrait{display:none}
#platform-guide.pg-compact .pg-person,#platform-guide.pg-auto-compact .pg-person{display:none}
#platform-guide.pg-compact .pg-dock,#platform-guide.pg-auto-compact .pg-dock{width:152px}
#platform-guide.pg-compact .pg-label,#platform-guide.pg-auto-compact .pg-label{grid-template-columns:34px 1fr auto;column-gap:9px;padding:9px 10px}
#platform-guide.pg-compact .pg-label strong,#platform-guide.pg-auto-compact .pg-label strong{grid-column:2;grid-row:1;font-size:16px;letter-spacing:.06em}
#platform-guide.pg-compact .pg-label-subtitle,#platform-guide.pg-auto-compact .pg-label-subtitle{grid-column:2;grid-row:2;font-size:10px;letter-spacing:.015em}
#platform-guide.pg-compact .pg-label b,#platform-guide.pg-auto-compact .pg-label b{grid-column:3;grid-row:1/3;font-size:18px}
#platform-guide.pg-compact .pg-mini-portrait,#platform-guide.pg-auto-compact .pg-mini-portrait{display:block;position:relative;grid-column:1;grid-row:1/3;width:34px;height:40px;overflow:hidden;border-radius:24px 24px 3px 3px;background:#e5dfcf}
#platform-guide .pg-mini-portrait img{position:absolute;display:block;max-width:none;width:62px;height:auto;left:-17px;top:-1px}
#platform-guide.pg-compact .pg-minimize,#platform-guide.pg-auto-compact .pg-minimize{top:-12px;right:-7px;width:24px;height:24px;min-height:24px;font-size:13px}
#platform-guide #pg-panel{position:fixed;right:max(22px,env(safe-area-inset-right));bottom:calc(70px + env(safe-area-inset-bottom));width:410px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 100px);display:flex;flex-direction:column;background:var(--pg-paper);border:1px solid #c9bea7;border-top:3px solid #8b7753;border-radius:5px;box-shadow:0 18px 60px #18352c30;overflow:hidden;animation:pg-arrive 180ms ease-out}
#platform-guide .pg-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:19px 22px 16px;background:var(--pg-paper);border-bottom:1px solid var(--pg-line);margin:0}
#platform-guide .pg-head>div>span{font:10px/1.7 var(--font-ui,system-ui,sans-serif);color:#84704d;letter-spacing:.12em}
#platform-guide h2{font:500 28px/1.5 var(--brand-serif,"PMingLiU",serif);margin:4px 0 0;color:var(--pg-ink);letter-spacing:.07em}
#platform-guide h2 span{font:400 12px/1.6 var(--font-ui,system-ui,sans-serif);letter-spacing:.02em;color:var(--pg-muted);margin-left:13px}
#platform-guide .pg-close{font:400 28px/1 var(--font-ui,system-ui,sans-serif);min-height:40px;width:40px;padding:0;border:0;background:transparent;flex:none;color:#52624f}
#platform-guide .pg-scroll{overflow-y:auto;overscroll-behavior:contain;min-height:0;scrollbar-width:thin;scrollbar-color:#b7ad97 transparent;padding:0 22px 22px}
#platform-guide .pg-welcome{display:grid;grid-template-columns:148px minmax(0,1fr);align-items:center;gap:16px;padding:16px 18px 0;margin:0 -22px 22px;background:linear-gradient(135deg,#efede1,#e3e6d8);border-bottom:1px solid #d4cfbd}
#platform-guide .pg-portrait-stage{display:block;position:relative;align-self:end;isolation:isolate;overflow:hidden}
#platform-guide .pg-portrait-stage:before{content:"";position:absolute;inset:16px 3px -24px;border:1px solid #b6a883;border-radius:100px 100px 0 0;z-index:-1}
#platform-guide .pg-welcome img{display:block;width:148px;height:197px;max-width:none;object-fit:contain;object-position:center bottom}
#platform-guide .pg-welcome small{display:block;font-size:11px;line-height:1.7;color:#6a755d}
#platform-guide .pg-welcome h3{font:500 24px/1.65 var(--brand-serif,"PMingLiU",serif);letter-spacing:.04em;margin:9px 0 10px;color:#2c4637}
#platform-guide .pg-welcome p{font-size:12px;line-height:1.85;color:#5b6959;margin:0 0 17px}
#platform-guide .pg-tabs{display:flex;gap:0;border:0;border-bottom:1px solid #cfc5b0;padding:0;margin:0 0 24px;background:none}
#platform-guide .pg-tabs button{flex:1;border:0;border-bottom:2px solid transparent;border-radius:0;background:transparent;padding:11px 5px;font-size:13px;line-height:1.7;letter-spacing:.025em;min-height:44px;color:#65715f}
#platform-guide .pg-tabs button[aria-pressed=true]{background:#eeeade;color:#803f32;border-bottom-color:var(--pg-accent);font-weight:600}
#platform-guide h3{font:600 18px/1.7 var(--brand-serif,"PMingLiU",serif);margin:0 0 12px;color:var(--pg-ink);letter-spacing:.02em}
#platform-guide p{font-size:14px;line-height:1.9;margin:0 0 14px;color:#536451}
#platform-guide ol{margin:14px 0 22px;padding-left:23px;font-size:14px;line-height:1.9;color:#41563f}
#platform-guide li{padding-left:5px;margin:0 0 11px}
#platform-guide li::marker{color:#8b714c;font-weight:600;font-variant-numeric:tabular-nums}
#platform-guide .pg-primary{display:inline-block;padding:11px 15px;background:var(--pg-accent);color:#fffaf1;border:1px solid var(--pg-accent);border-radius:3px;text-decoration:none;font-size:14px;font-weight:500;text-align:center;line-height:1.7}
#platform-guide .pg-primary:hover{background:#793c30;border-color:#793c30;color:#fffaf1}
#platform-guide .pg-text{border:0;background:transparent;color:#7a6545;font-size:13px;padding:8px 5px}
#platform-guide .pg-content>.pg-primary{width:100%}#platform-guide .pg-content>.pg-text{display:block;margin:9px auto 0}
#platform-guide .pg-footer{padding:11px 18px;border-top:1px solid var(--pg-line);background:#efede3;font:11px/1.8 var(--font-ui,system-ui,sans-serif);color:#70765f;text-align:center;letter-spacing:.06em;margin:0}
#platform-guide .pg-search{margin:0 0 22px}
#platform-guide .pg-search label{display:block;font-size:13px;line-height:1.7;margin-bottom:9px;font-weight:500}
#platform-guide .pg-search>div{display:flex;gap:8px}
#platform-guide .pg-search input{width:100%;min-width:0;min-height:44px;border:1px solid #c9bea7;border-radius:3px;padding:10px;font-size:14px;background:#fffdf7;color:var(--pg-ink);line-height:1.6}
#platform-guide .pg-search button{flex:none;font-size:13px;min-height:44px}
#platform-guide .pg-topics{display:grid;gap:0;border-top:1px solid var(--pg-line)}
#platform-guide .pg-topics button{display:flex;align-items:center;justify-content:space-between;text-align:left;font-size:14px;line-height:1.8;padding:13px 2px;border:0;border-bottom:1px solid var(--pg-line);border-radius:0;background:transparent}
#platform-guide .pg-topics button:hover{background:#eeeade}
#platform-guide .pg-topics button span{color:#8b714c;margin-left:12px}
#platform-guide .pg-answer>small{color:#8a7550;font-size:11px;letter-spacing:.08em}
#platform-guide .pg-answer{margin:0;padding:0;border:0;background:none;box-shadow:none}
#platform-guide .pg-tour{position:fixed;right:max(22px,env(safe-area-inset-right));bottom:calc(70px + env(safe-area-inset-bottom));width:370px;max-width:calc(100vw - 32px);max-height:45dvh;overflow-y:auto;background:var(--pg-paper);border:1px solid #c9bea7;border-top:3px solid #8b7753;border-radius:4px;box-shadow:0 12px 35px #18352c25;padding:17px 20px}
#platform-guide .pg-tour header{display:flex;justify-content:space-between;align-items:center;margin:0 0 5px}
#platform-guide .pg-tour header strong{font:500 17px/1.6 var(--brand-serif,"PMingLiU",serif)}
#platform-guide .pg-tour>small{font-size:12px;color:#8a7550;font-variant-numeric:tabular-nums}
#platform-guide .pg-tour h3{margin:8px 0 12px}
#platform-guide .pg-tour-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
#platform-guide .pg-tour-actions button{font-size:13px;padding:8px 11px;min-height:40px}
.pg-target{outline:3px solid #9a7650!important;outline-offset:5px;scroll-margin-top:120px!important}
@keyframes pg-arrive{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:600px){
 #platform-guide .pg-dock{width:122px;right:14px;bottom:calc(86px + env(safe-area-inset-bottom))}
 #platform-guide .pg-person{width:108px;height:125px}
 #platform-guide .pg-person img{width:108px;height:144px}
 #platform-guide .pg-label{padding:9px 11px}#platform-guide .pg-label strong{font-size:18px}
 #platform-guide .pg-label-subtitle{font-size:10px}#platform-guide .pg-minimize{top:5px;right:-4px}
 #platform-guide.pg-compact .pg-dock,#platform-guide.pg-auto-compact .pg-dock{width:142px}
 #platform-guide #pg-panel{left:12px;right:12px;width:auto;max-width:none;max-height:calc(100dvh - 100px);bottom:calc(76px + env(safe-area-inset-bottom))}
 #platform-guide .pg-head{padding:15px 17px 13px}#platform-guide h2{font-size:25px}#platform-guide .pg-head>div>span{font-size:9px}
 #platform-guide .pg-scroll{padding:0 17px 20px}
 #platform-guide .pg-welcome{grid-template-columns:124px minmax(0,1fr);gap:12px;padding:14px 14px 0;margin:0 -17px 18px}
 #platform-guide .pg-welcome img{width:124px;height:165px}#platform-guide .pg-welcome h3{font-size:21px;line-height:1.55;margin:7px 0 8px}
 #platform-guide .pg-welcome p{font-size:12px;margin-bottom:13px}#platform-guide .pg-welcome small{font-size:10px}
 #platform-guide .pg-search input{font-size:16px}#platform-guide .pg-tour{left:12px;right:12px;bottom:calc(76px + env(safe-area-inset-bottom));max-height:40dvh;width:auto;max-width:none}
}
@media(max-width:360px){#platform-guide .pg-welcome{grid-template-columns:100px minmax(0,1fr);gap:10px}#platform-guide .pg-welcome img{width:100px;height:140px}#platform-guide .pg-welcome h3{font-size:19px}#platform-guide .pg-welcome p{font-size:11px}#platform-guide .pg-head>div>span{letter-spacing:.06em}}
@media(max-height:600px){#platform-guide .pg-person,#platform-guide .pg-welcome{display:none}#platform-guide #pg-panel{bottom:12px;max-height:calc(100dvh - 24px)}#platform-guide .pg-tour{bottom:12px;max-height:50dvh}}
@media(prefers-reduced-motion:reduce){#platform-guide #pg-panel{animation:none}}
@media print{#platform-guide{display:none!important}.pg-target{outline:none!important}}

/* The companion's dedicated knowledge page shares the same visual identity. */
.knowledge-page{background:#f7f5ef;color:#263c33;font:16px/1.85 var(--font-ui,system-ui,"Microsoft JhengHei",sans-serif)}
.knowledge-page a{color:#755d3e}.knowledge-page .kb-header{background:#f7f5ef;border-color:#d9d2c3}
.knowledge-page .kb-brand{color:#263c33}.knowledge-page .kb-brand>span{font:600 25px/1.4 var(--brand-serif,"PMingLiU",serif);letter-spacing:.1em}
.knowledge-page .kb-brand small{font:400 11px/1.6 var(--font-ui,system-ui,sans-serif);letter-spacing:.1em}
.knowledge-page .kb-main{padding-top:45px}.knowledge-page .kb-hero{background:linear-gradient(125deg,#efede2,#e1e5d8);border:1px solid #cec6b3;border-top:2px solid #8b7753;border-radius:4px;padding:36px 38px 0;gap:35px}
.knowledge-page .kb-hero>div{padding-bottom:36px}.knowledge-page .kb-hero>div>span{color:#83704e;font-size:11px;letter-spacing:.1em}
.knowledge-page .kb-hero h1{font:500 38px/1.6 var(--brand-serif,"PMingLiU",serif);letter-spacing:.055em;color:#263c33;margin:10px 0}
.knowledge-page .kb-hero p{font-size:16px;line-height:1.9;color:#536451}
.knowledge-page .kb-hero>img{width:235px;height:313px;object-fit:contain;object-position:bottom}
.knowledge-page .kb-hero input{border:1px solid #c3b79d;border-radius:3px;background:#fffdf7;color:#263c33;font-size:15px;min-height:46px}
.knowledge-page .kb-hero button,.knowledge-page .kb-action{background:#934536;color:#fffaf1;border-radius:3px;font-size:14px;min-height:44px;line-height:1.7}
.knowledge-page .kb-layout{margin-top:35px}.knowledge-page .kb-layout aside h2{font:600 19px/1.7 var(--brand-serif,"PMingLiU",serif);color:#304637;letter-spacing:.03em}
.knowledge-page .kb-layout aside button{border-radius:3px;color:#596851;font-size:14px}.knowledge-page .kb-layout aside button[aria-pressed=true]{background:#e9e5d8;border-color:#cbbda1;color:#7d4234}
.knowledge-page .kb-article{background:#fbf9f3;border-color:#d9d2c3;border-radius:3px}.knowledge-page .kb-article summary{font-size:16px;font-weight:500;line-height:1.8}
.knowledge-page .kb-article[open] summary{color:#7d4234;border-color:#ded6c5}.knowledge-page .kb-article p{color:#536451}
.knowledge-page .kb-article>div{font-size:15px;line-height:1.9}.knowledge-page #kb-count{font-size:13px;color:#70765f}
.knowledge-page .kb-permalink{font-size:13px;color:#806746}.knowledge-page .kb-empty{background:#fbf9f3;border-color:#d9d2c3}
.knowledge-page .kb-footer{background:#efede3;border-color:#d9d2c3;color:#69735d;font-size:12px}
.knowledge-page :is(a,button,input,summary):focus-visible{outline:2px solid #934536;outline-offset:3px}
@media(max-width:700px){.knowledge-page .kb-main{padding:24px 14px 75px}.knowledge-page .kb-hero{position:relative;display:block;padding:24px 20px 0}.knowledge-page .kb-hero>div{padding-bottom:20px}.knowledge-page .kb-hero h1{font-size:30px}.knowledge-page .kb-hero p{font-size:15px}.knowledge-page .kb-hero>img{display:block;width:145px;height:193px;margin:0 auto}.knowledge-page .kb-hero input{font-size:16px}.knowledge-page .kb-hero form>div{flex-wrap:nowrap}.knowledge-page .kb-hero button{padding:10px 14px}.knowledge-page .kb-layout{margin-top:25px}.knowledge-page .kb-article summary{font-size:15px}}