:root,[data-theme=light]{--bg:#202522;--header:#101c18;--header-ink:#f7f1e3;--paper:#efe5d0;--paper-2:#f7f1e3;--ink:#18201c;--muted:#3e4a44;--line:#28352e;--gold:#8a5e08;--gold-bright:#d49a1b;--green:#087a55;--link:#0b5c40;--danger:#8e2e22;--focus:#8a5e08;--rail:248px;--header-h:64px;--measure:68ch;color-scheme:light}[data-theme=dark]{--bg:#101816;--header:#0c1613;--header-ink:#f7f1e3;--paper:#1a2420;--paper-2:#24302b;--ink:#f3ede0;--muted:#c5d0c8;--line:#3e5248;--gold:#e2b34a;--gold-bright:#e2b34a;--green:#3ddc97;--link:#8ee0b8;--danger:#f0a090;--focus:#e2b34a;color-scheme:dark}html[lang^=zh],html[lang^=ja],html[lang^=ko],html[lang=th]{--measure:42em}*,:before,:after{box-sizing:border-box}html{overflow-x:clip}body{background:var(--paper);color:var(--ink);margin:0;font-family:IBM Plex Sans,Noto Sans,Noto Sans CJK SC,Noto Sans Thai,sans-serif;font-size:1.0625rem;line-height:1.55;overflow-x:clip}img{max-width:100%;height:auto}a{color:var(--link)}a:hover{text-decoration-thickness:2px}h1,h2,h3,h4{overflow-wrap:normal;word-break:normal;hyphens:manual;text-wrap:balance;font-family:Space Grotesk,Noto Sans,Noto Sans CJK SC,sans-serif;line-height:1.15}h1{letter-spacing:-.03em;margin:0 0 .4rem;font-size:clamp(2rem,4vw,3.25rem)}h2{margin:2rem 0 .7rem;font-size:clamp(1.45rem,2.4vw,1.9rem)}h3{margin:1.2rem 0 .4rem;font-size:1.15rem}p{max-width:var(--measure);margin:0 0 .9rem}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.skip{background:var(--gold-bright);color:#18201c;z-index:100;padding:8px 12px;position:absolute;top:-48px;left:8px}.skip:focus{top:8px}.site-header{z-index:40;min-height:var(--header-h);background:var(--header);color:var(--header-ink);border-bottom:2px solid #28352e;justify-content:space-between;align-items:center;gap:12px;padding:0 12px 0 16px;display:flex;position:sticky;top:0}.site-brand{color:var(--header-ink);letter-spacing:-.03em;align-items:center;gap:8px;min-height:44px;font-family:Space Grotesk,sans-serif;font-size:1.15rem;font-weight:700;text-decoration:none;display:inline-flex}.site-brand svg{flex:none;display:block}.header-actions{align-items:center;gap:6px;display:flex;position:relative}.icon-btn,.text-btn{min-width:44px;min-height:44px;color:var(--header-ink);font:inherit;cursor:pointer;background:0 0;border:2px solid #3e5248;border-radius:2px}.text-btn{padding:0 10px}.lang-menu{z-index:80;background:var(--header);border:2px solid #3e5248;min-width:180px;max-height:min(70vh,420px);padding:6px;position:absolute;top:calc(100% + 6px);right:0;overflow:auto}.lang-menu a{color:var(--header-ink);min-height:44px;padding:8px 10px;text-decoration:none;display:block}.lang-menu a[aria-current=true]{color:var(--gold-bright)}.shell{min-height:60vh}.rail{display:none}.reading{padding:20px 16px 72px}.eyebrow{color:var(--gold);letter-spacing:.14em;text-transform:uppercase;margin:0 0 6px;font-family:Space Grotesk,sans-serif;font-size:.78rem;font-weight:700}.task-entry{background:var(--header);min-height:44px;color:var(--header-ink);border:2px solid var(--line);align-items:center;margin:0 0 12px;padding:8px 12px;font-weight:600;text-decoration:none;display:inline-flex}.task-rows{flex-direction:column;margin:0 0 14px;display:flex}.task-row{border-top:2px solid var(--line);border-left:4px solid var(--gold-bright);min-height:52px;color:var(--ink);background:0 0;flex-direction:column;justify-content:center;gap:2px;padding:8px 4px 8px 12px;text-decoration:none;display:flex}.task-row:last-child{border-bottom:2px solid var(--line)}.task-row strong{color:var(--ink);font-family:Space Grotesk,sans-serif;font-size:1.2rem;font-weight:600;line-height:1.2}.task-row span{color:var(--muted);font-size:.95rem;line-height:1.35}.task-row:hover{background:#f4e4bc}[data-theme=dark] .task-row:hover{background:#3a3420}.day-panel{border:2px solid var(--line);border-left:4px solid var(--gold-bright);background:var(--paper);margin:0 0 14px;padding:12px 14px 12px 16px}.day-panel .day-label{margin:0 0 8px;font-family:Space Grotesk,sans-serif;font-size:1.2rem;font-weight:700;line-height:1.2}.day-panel p{margin:0 0 4px}.day-panel p:last-child{margin:0}.surface{border:2px solid var(--line);background:var(--paper-2);margin:0 0 8px;padding:12px}.brief-head{border-left:4px solid var(--gold-bright);margin:0 0 8px;padding-left:10px;font-family:Space Grotesk,sans-serif;font-size:clamp(1.35rem,3vw,1.8rem);line-height:1.2}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:12px 0;display:grid}.stat{border-top:2px solid var(--line);padding-top:6px}.stat b{color:var(--gold);font-family:Space Grotesk,sans-serif;font-size:1.45rem;font-weight:700;display:block}.stat span{color:var(--muted);font-size:.85rem}.note{color:var(--muted);font-size:.92rem}.controls{flex-wrap:wrap;gap:8px;margin:0 0 12px;display:flex}.controls button,.controls select,.field input,.field select,.switch{border:2px solid var(--line);background:var(--paper);min-height:44px;color:var(--ink);font:inherit;border-radius:2px;padding:6px 10px}.switch{align-items:center;gap:8px;width:fit-content;display:flex}.switch input{width:44px;height:44px;accent-color:var(--link);margin:0}.controls button[aria-pressed=true]{background:var(--gold-bright);color:#18201c}.controls button:disabled{color:var(--danger);border-color:var(--danger);cursor:not-allowed}.map-frame{background:linear-gradient(#d5e4ea, #d5e4ea) 0 70% / 100% 18% no-repeat, repeating-linear-gradient(90deg, transparent 0 28px, #28352e2e 28px 30px), repeating-linear-gradient(0deg, transparent 0 28px, #28352e2e 28px 30px), var(--paper);border:2px solid var(--line);height:280px;margin:0 0 12px;position:relative;overflow:hidden}.map-pin{width:44px;height:44px;color:var(--gold-bright);cursor:pointer;background:0 0;border:0;margin:-22px 0 0 -22px;padding:0;font-size:22px;line-height:44px;position:absolute}.map-pin[hidden]{display:none}.map-pin[data-active=true]{color:var(--green)}.register{flex-direction:column;display:flex}.row{border-top:2px solid var(--line);min-width:0;color:inherit;text-align:left;font:inherit;cursor:pointer;background:0 0;grid-template-columns:1fr;gap:2px;width:100%;padding:10px 0;display:grid}.row[data-active=true]{background:#f4e4bc}[data-theme=dark] .row[data-active=true]{background:#3a3420}.row button{min-height:44px;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:0;font-weight:700}.row strong{font-size:1.02rem}.row .meta{color:var(--muted);font-size:.85rem}.table-scroll{min-width:0;max-width:100%;margin:0 0 1rem;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:36rem}th,td{border-bottom:2px solid var(--line);text-align:left;vertical-align:top;min-width:72px;padding:8px 10px}th{letter-spacing:.04em;font-family:Space Grotesk,sans-serif;font-size:.82rem}.cell-value{display:inline}.figure{margin:1.25rem 0}.figure img.diagram{border:2px solid var(--line);width:min(100%,720px);height:auto}.figure img.mark{width:160px;height:auto}figcaption{color:var(--muted);max-width:var(--measure);margin-top:6px;font-size:.92rem}.video-frame{max-width:720px;margin:1rem 0}.video-frame video{border:2px solid var(--line);background:#101c18;width:100%;height:auto}.video-play{background:var(--header);min-height:44px;color:var(--header-ink);border:2px solid var(--gold-bright);font:inherit;cursor:pointer;align-items:center;margin:8px 0 0;padding:8px 12px;font-weight:600;display:inline-flex}.compare{grid-template-columns:1fr;gap:12px;display:grid}.compare article{border:2px solid var(--line);background:var(--paper);padding:12px}.compare h3{margin-top:0}.timeline{margin:0;padding:0;list-style:none}.timeline article{border-left:4px solid var(--gold-bright);padding:0 0 16px 12px}.pill{color:var(--danger);letter-spacing:.06em;text-transform:uppercase;font-size:.78rem;font-weight:700;display:inline-block}.faq dt{margin-top:.8rem;font-weight:700}.faq dd{margin:.2rem 0 .6rem}.field{flex-direction:column;gap:4px;min-width:140px;display:flex}.fare-out{margin:8px 0 0;font-family:Space Grotesk,sans-serif;font-size:1.35rem}.site-footer{background:var(--header);color:var(--header-ink);padding:28px 16px 40px}.site-footer a{color:var(--gold-bright)}.footer-links{flex-wrap:wrap;gap:8px 16px;margin:8px 0 16px;display:flex}.source-list{padding-left:1.1rem}.source-list li{margin:.25rem 0}.back-top{z-index:30;background:var(--header);min-height:44px;color:var(--header-ink);border:2px solid var(--gold-bright);align-items:center;gap:6px;padding:8px 12px;text-decoration:none;display:inline-flex;position:fixed;bottom:12px;right:12px}.back-top[hidden],body:has([data-mobile-nav-panel]:not([hidden])) .back-top{display:none}.mobile-panel{background:var(--header);color:var(--header-ink);z-index:70}.mobile-panel a{color:var(--header-ink);border-bottom:1px solid #28352e;min-height:44px;padding:12px 16px;text-decoration:none;display:block}.mobile-panel a[aria-current=page]{color:var(--gold-bright)}@media (width<=1023px){.mobile-panel:not([hidden]){top:var(--header-h);display:block;position:fixed;bottom:0;left:0;right:0;overflow:auto}}@media (width>=1024px){:root{--header-h:72px}.site-header{padding-inline:20px}[data-mobile-nav-toggle]{display:none}.rail{left:0;top:var(--header-h);width:var(--rail);height:calc(100vh - var(--header-h));background:var(--header);z-index:30;border-right:2px solid #28352e;flex-direction:column;padding:8px 0 16px;display:flex;position:fixed;overflow:auto}.rail a{color:var(--header-ink);border-left:3px solid #0000;min-height:36px;padding:7px 14px;text-decoration:none;display:block}.rail a[aria-current=page]{border-left-color:var(--gold-bright);color:var(--gold-bright)}.shell{margin-left:var(--rail)}.reading{max-width:760px;margin-inline:auto;padding:32px 20px 80px}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.compare{grid-template-columns:1fr 1fr}.site-footer{margin-left:var(--rail)}}@media (width<=1023px){.rail{display:none}}@media (width<=719px){.table-scroll{position:relative;overflow:visible}.table-scroll table,.table-scroll tbody,.table-scroll tbody tr{width:100%;min-width:0;display:block}.table-scroll thead{clip:rect(0, 0, 0, 0);white-space:nowrap;width:0;height:0;margin:0;padding:0;position:absolute;overflow:hidden}.table-scroll thead tr,.table-scroll thead th{border:0;width:0;min-width:0;max-width:0;height:0;max-height:0;margin:0;padding:0;line-height:0;display:block;overflow:hidden}.table-scroll tbody tr{border-bottom:2px solid var(--line);padding:6px 0}.table-scroll td{border:0;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:2px 12px;width:100%;min-width:0;padding:3px 0;display:flex}.table-scroll td:before{content:attr(data-label);max-width:100%;color:var(--muted);letter-spacing:.04em;flex:0 auto;font-family:Space Grotesk,sans-serif;font-size:.82rem;font-weight:600}.table-scroll .cell-value{text-align:end;overflow-wrap:anywhere;flex:7rem;min-width:min(100%,7rem);font-size:1.0625rem;line-height:1.4}}[hidden]{display:none!important}