:root{--bg:#f4f1ea;--surface:#ffffff;--surface-2:#efece3;--text:#1f2933;--text-2:#6b7280;--text-3:#9ca3af;--border:rgba(0,0,0,0.08);--card-border:rgba(0,0,0,0.10);--shadow:0 1px 2px rgba(28,28,30,0.04),0 5px 16px -4px rgba(28,28,30,0.08);--shadow-hover:0 2px 6px rgba(28,28,30,0.06),0 14px 34px -8px rgba(28,28,30,0.16);--accent:#4f46e5;--accent-bg:#eef2ff;--accent-text:#3730a3;--nav-fg:#374151;--health:#ef4444;--energy:#d97706;--insight:#7c3aed;--positive:#059669;color-scheme:light}html[data-theme=dark]{--bg:#0f1115;--surface:#1a1d24;--surface-2:#232733;--text:#f2f3f5;--text-2:#b6bcc7;--text-3:#9aa0aa;--border:rgba(255,255,255,0.10);--card-border:rgba(255,255,255,0.16);--shadow:0 1px 2px rgba(0,0,0,0.35),0 5px 16px -4px rgba(0,0,0,0.5);--shadow-hover:0 2px 6px rgba(0,0,0,0.45),0 14px 34px -8px rgba(0,0,0,0.65);--accent:#5b8cff;--accent-bg:rgba(91,140,255,0.16);--accent-text:#a9c1ff;--nav-fg:#ccd2dd;color-scheme:dark}html[data-theme=dark],html[data-theme=dark] body{background:var(--bg);color:var(--text)}html[data-app] .asst-fab,html[data-solo] .mobilenav{display:none!important}html[data-solo] .main{padding-bottom:24px!important}html[data-solo] .app-back{display:none!important}*{box-sizing:border-box}body,html{margin:0;padding:0}html{scroll-behavior:smooth}.toc-book a{display:flex;align-items:baseline;padding:10px 8px;text-decoration:none;color:var(--text);border-radius:9px;transition:background .15s}.toc-book a:hover{background:var(--surface-2)}.toc-book a:hover .toc-arrow{color:var(--accent);transform:translateX(2px)}.toc-book .toc-num{width:30px;flex-shrink:0;font-size:12.5px;color:var(--accent);font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.toc-book .toc-t{font-size:14.5px;font-weight:500}.toc-book .toc-dots{flex:1 1;border-bottom:1px dotted var(--border);margin:0 9px;transform:translateY(-3px);min-width:16px}.toc-book .toc-arrow{font-size:15px;color:var(--text-3);flex-shrink:0;align-self:center;transition:color .15s,transform .15s}.guide-toc-rail{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:20;display:flex;flex-direction:column;gap:1px}.guide-toc-rail a{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:5px 4px;text-decoration:none;color:var(--text-3)}.guide-toc-rail a .lbl{font-size:12.5px;text-align:right;white-space:nowrap;max-width:170px;overflow:hidden;text-overflow:ellipsis;opacity:0;transform:translateX(6px);transition:opacity .2s,transform .2s}.guide-toc-rail a .dot{width:18px;height:2px;border-radius:2px;background:var(--border);flex-shrink:0;transition:width .2s,background .2s}.guide-toc-rail:hover a .lbl{opacity:1;transform:none}.guide-toc-rail a:hover{color:var(--text)}.guide-toc-rail a.active{color:var(--accent)}.guide-toc-rail a.active .lbl{opacity:1;transform:none;font-weight:600}.guide-toc-rail a.active .dot{width:28px;background:var(--accent)}@media (max-width:1180px){.guide-toc-rail{display:none}}.guide-feature-grid{display:grid;grid-template-columns:1fr;grid-gap:10px;gap:10px}@media (min-width:640px){.guide-feature-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1000px){.guide-feature-grid{grid-template-columns:repeat(3,1fr)}}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.fade-up{animation:fadeUp .55s ease both}@keyframes spin{to{transform:rotate(1turn)}}.spin{display:inline-block;animation:spin .8s linear infinite}details.adm>summary{list-style:none}details.adm>summary::-webkit-details-marker{display:none}details.adm>summary:hover{background:var(--surface-2)}details.adm>summary .adm-chev{transition:transform .15s ease}details.adm[open]>summary .adm-chev{transform:rotate(180deg)}.shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;border-right:1px solid var(--border);padding:16px 12px;position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;gap:2px;background:var(--bg)}.brand{gap:9px;padding:4px 9px 14px;font-size:15px;font-weight:500}.brand,.navlink{display:flex;align-items:center}.navlink{gap:11px;padding:9px 11px;border-radius:9px;color:var(--nav-fg);font-size:14px;font-weight:450;cursor:pointer}.navlink:hover{background:var(--surface-2)}.navlink.active{background:var(--accent-bg);color:var(--accent-text);font-weight:600}.navlink.active i{color:var(--accent)}.navlink.soon{opacity:.45;cursor:default}.navlink i{font-size:18px}.main{flex:1 1;min-width:0;padding:24px 28px;max-width:1200px}.main.narrow{max-width:820px}html[data-tips=off] .case-strip,html[data-tips=off] .tips-rail{display:none!important}.case-strip{display:flex;align-items:flex-start;gap:10px;margin:0 0 14px;padding:11px 13px;border-radius:12px;background:var(--surface);border:1px solid var(--card-border);box-shadow:var(--shadow)}.case-strip-emoji{font-size:19px;line-height:1.35;flex-shrink:0}.case-strip-text{flex:1 1;min-width:0;font-size:13.5px;line-height:1.5;color:var(--text-2)}.case-strip-x{flex-shrink:0;background:none;border:none;padding:2px;cursor:pointer;color:var(--text-3);line-height:1}.case-strip-x:hover{color:var(--text-2)}.case-strip-x i{font-size:16px}@media (min-width:1700px){.case-strip{display:none}}.tips-rail{display:none}@media (min-width:1700px){.tips-rail{display:block;width:260px;flex-shrink:0;padding:24px 28px 24px 0;align-self:flex-start;position:-webkit-sticky;position:sticky;top:0;max-height:100vh;overflow-y:auto;-ms-overflow-style:none;scrollbar-width:none}.tips-rail::-webkit-scrollbar{display:none}.tips-rail-title{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin:4px 0 10px 2px}.tips-card{display:block;background:var(--surface);border:1px solid var(--card-border);border-radius:14px;padding:13px 15px;margin-bottom:10px;text-decoration:none;color:var(--text);box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease}a.tips-card:hover{transform:translateY(-2px);box-shadow:var(--shadow),0 10px 24px -14px rgba(20,24,40,.35)}.tips-card-case{padding:16px 16px 15px}.tips-card-case .tips-card-text{font-size:13.5px;line-height:1.55;color:var(--text)}.tips-case-emoji{font-size:26px;line-height:1;margin-bottom:9px}.tips-card-about{background:var(--accent-bg);border-color:color-mix(in srgb,var(--accent) 35%,transparent)}.tips-card-about .tips-card-head{color:var(--accent-text,var(--accent))}.tips-card-about .tips-card-text{color:var(--text-2)}.tips-card-head{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;margin-bottom:5px}.tips-card-head i{font-size:17px;color:var(--accent);flex-shrink:0}.tips-card-text{font-size:12.5px;line-height:1.5;color:var(--text-2)}}@media (min-width:1900px){.tips-rail{width:300px}.has-tips .main{max-width:1360px}}@media (min-width:2200px){.tips-rail{width:340px}.has-tips .main{max-width:1560px}}.card{background:var(--surface);border:1px solid var(--card-border);border-radius:14px;padding:15px 17px;box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}html[data-theme=dark] .card{background:#1e222b;box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06)}html[data-theme=dark] [data-public] .card{background:var(--surface);box-shadow:var(--shadow)}.book-hero,html[data-theme=dark] [data-public] .book-hero{--hero-inset:rgba(255,255,255,0.55);background:linear-gradient(135deg,#eef2ff,#fdf2f8 55%,#fff7ed)}.book-hero{border-radius:20px;padding:24px 22px;margin-bottom:18px;border:1px solid var(--card-border)}html[data-theme=dark] .book-hero{--hero-inset:rgba(255,255,255,0.06);background:linear-gradient(135deg,#1c2233,#241b2c 55%,#2a2119)}.soft-hero{--hero-inset:rgba(255,255,255,0.55);background:linear-gradient(135deg,var(--accent-bg),#fdf2f8 60%,#fff7ed)}html[data-theme=dark] .soft-hero{--hero-inset:rgba(255,255,255,0.06);background:linear-gradient(135deg,rgba(91,140,255,.14),rgba(150,90,180,.1) 60%,rgba(180,120,70,.08)),var(--surface)}.card-hover:hover,a.card:hover,button.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(0,0,0,.12)}.card-hover:active,a.card:active,button.card:active{transform:translateY(0);box-shadow:var(--shadow)}.tag{font-size:12px;padding:3px 9px;border-radius:7px}.mobile-drawer-backdrop,.mobilenav{display:none}@media (max-width:760px){.shell{flex-direction:column}.sidebar{display:none}.main{padding:16px 16px calc(82px + env(safe-area-inset-bottom));max-width:none}.mobilenav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:50;background:var(--bg);border-top:1px solid var(--border);padding:6px 4px calc(6px + env(safe-area-inset-bottom));justify-content:space-around}.mobilenav a,.mobilenav button{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:none;cursor:pointer;color:#4b5563;font-weight:500;font-size:10.5px;flex:1 1;padding:3px 2px;min-width:0;text-decoration:none}.mobilenav a span,.mobilenav button span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobilenav a i,.mobilenav button i{font-size:21px}.mobilenav a.active,.mobilenav button.active{color:var(--accent);font-weight:600}.mobile-drawer-backdrop{display:block;position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.45)}.mobile-drawer{position:absolute;bottom:0;left:0;right:0;background:var(--surface);border-radius:18px 18px 0 0;padding:16px 14px calc(18px + env(safe-area-inset-bottom));max-height:78vh;overflow-y:auto}}.on-light{--text:#1f2933;--text-2:#6b7280;--text-3:#9ca3af;--border:rgba(0,0,0,0.08);--surface:#ffffff;--surface-2:#efece3;--bg:#faf8f2;--accent:#4f46e5;--accent-bg:#eef2ff;--accent-text:#3730a3;color:var(--text)}.serif{font-family:var(--font-serif,Georgia,"Times New Roman",serif)}.book-page{background:var(--book-paper,#fffdf8);border:1px solid rgba(0,0,0,.08);border-radius:6px;padding:40px 44px;margin-bottom:22px;box-shadow:0 6px 24px rgba(0,0,0,.06)}.book-sm .book-text{font-size:14.5px;line-height:1.7}.book-lg .book-text{font-size:18.5px;line-height:1.95}.book-drop .book-text:first-letter{float:left;font-family:var(--font-serif,Georgia,serif);font-weight:600;font-size:3.1em;line-height:.78;padding:4px 8px 0 0;color:var(--accent)}.book-cover{text-align:center;padding:72px 44px;display:flex;flex-direction:column;align-items:center}.book-text{font-family:var(--font-serif,Georgia,serif);font-size:16px;line-height:1.8;color:var(--text);white-space:pre-wrap}.book-strip{display:flex;flex-wrap:wrap;gap:18px;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid rgba(0,0,0,.08);font-size:13px;color:var(--text-2)}.book-strip b{font-size:18px;color:var(--text);margin-right:4px}@media (max-width:760px){.book-page{padding:26px 20px}.book-cover{padding:48px 20px}}@media print{body.printing>:not(.print-root){display:none!important}.print-root{position:static!important;background:#fff!important;overflow:visible!important}.print-root .no-print{display:none!important}.book-page{box-shadow:none!important;border:none!important;page-break-after:always;padding:0 0 24px;background:#fff!important}.print-root .book-cover{background:var(--cover-bg,#fff)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact;border-radius:0}@page{margin:18mm}}.fin-row{border-radius:9px;transition:background .12s}.fin-row:hover{background:var(--surface-2)}.asst-fab{position:fixed;z-index:70;right:22px;bottom:22px;width:54px;height:54px;border-radius:50%;border:none;cursor:pointer;background:linear-gradient(135deg,#6d6bf6,#8b5cf6 55%,#a855f7);color:#fff;box-shadow:0 8px 24px -6px rgba(124,92,246,.55),0 0 0 6px rgba(124,92,246,.1);display:flex;align-items:center;justify-content:center;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}.asst-fab:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 14px 32px -8px rgba(124,92,246,.65),0 0 0 8px rgba(124,92,246,.14);filter:brightness(1.05)}.asst-fab:active{transform:translateY(0) scale(.97)}.asst-fab i{font-size:25px;line-height:1;filter:drop-shadow(0 1px 2px rgba(40,20,90,.35))}@keyframes asstGlow{0%,to{box-shadow:0 8px 24px -6px rgba(124,92,246,.55),0 0 0 6px rgba(124,92,246,.1)}50%{box-shadow:0 8px 26px -6px rgba(124,92,246,.62),0 0 0 10px rgba(124,92,246,.06)}}.asst-fab:not(:hover){animation:asstGlow 3.6s ease-in-out infinite}@media (prefers-reduced-motion:reduce){.asst-fab:not(:hover){animation:none}}.asst-backdrop{position:fixed;inset:0;z-index:74;background:transparent}.asst-panel{position:fixed;z-index:80;right:22px;bottom:86px;width:360px;max-width:calc(100vw - 32px);max-height:min(74vh,640px);background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 16px 50px rgba(0,0,0,.18);display:flex;flex-direction:column;overflow:hidden;animation:asstIn .16s ease}@keyframes asstIn{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}.asst-head{gap:10px;padding:12px 12px 10px;border-bottom:1px solid var(--border)}.asst-ava,.asst-head{display:flex;align-items:center}.asst-ava{width:34px;height:34px;border-radius:50%;background:var(--accent-bg);color:var(--accent);justify-content:center;font-size:18px;flex-shrink:0}.asst-x{background:none;border:none;cursor:pointer;color:var(--text-3);font-size:18px;padding:4px;display:flex}.asst-body{padding:12px;flex:1 1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;gap:12px}.asst-card{border:1px solid var(--border);border-radius:12px;padding:11px 12px;background:var(--bg)}.asst-lbl{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-3);display:flex;align-items:center}.asst-ul{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}.asst-ul li{display:flex;gap:6px;font-size:13px;color:var(--text);line-height:1.4}.asst-ul li i{color:var(--accent);font-size:14px;margin-top:2px;flex-shrink:0}.asst-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.asst-chip{display:inline-flex;align-items:center;gap:3px;font-size:12.5px;padding:6px 10px;border-radius:20px;border:1px solid var(--border);background:var(--surface);color:var(--accent-text);cursor:pointer}.asst-chip:hover{background:var(--accent-bg)}.asst-chip i{font-size:14px}.asst-search{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:10px;padding:0 10px;background:var(--surface)}.asst-search>i{color:var(--text-3);font-size:16px}.asst-search input{flex:1 1;min-width:0;border:none;outline:none;background:none;padding:10px 0;font-size:13.5px;color:var(--text)}.asst-clear{background:none;border:none;cursor:pointer;color:var(--text-3);display:flex;padding:2px}.asst-results{display:flex;flex-direction:column;gap:2px;margin-top:-4px}.asst-res{display:flex;align-items:center;gap:10px;padding:9px 10px;border:none;background:none;cursor:pointer;border-radius:8px;font-size:13.5px;color:var(--text);text-align:left}.asst-res:hover{background:var(--surface-2)}.asst-res>i:first-child{font-size:17px;color:var(--accent)}.asst-none{font-size:13px;color:var(--text-3);padding:8px 4px}.asst-ta{width:100%;box-sizing:border-box;border:1px solid var(--border);border-radius:9px;padding:9px 10px;font-size:13.5px;font-family:inherit;resize:none;outline:none;margin-top:8px;color:var(--text);background:var(--surface)}.asst-ta:focus{border-color:var(--accent)}.asst-ask{margin-top:8px;width:100%;padding:9px;border:none;border-radius:9px;background:var(--accent);color:#fff;font-weight:500;font-size:13.5px;cursor:pointer}.asst-ask:disabled{opacity:.5;cursor:default}.asst-answer{margin-top:10px;font-size:13.5px;line-height:1.5;color:var(--text);white-space:pre-wrap}.asst-hint{margin-top:8px;font-size:11.5px;color:var(--text-3);line-height:1.4}.asst-err{margin-top:8px;font-size:12.5px;color:#dc2626}.asst-guide{display:flex;align-items:center;gap:8px;width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:var(--surface);cursor:pointer;font-size:13.5px;color:var(--text)}.asst-guide:hover{background:var(--surface-2)}.asst-guide>i:first-child{font-size:16px;color:var(--accent)}.asst-fbsub{font-size:12px;color:var(--text-2);line-height:1.4;margin-top:7px}.asst-fbchips{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.asst-fbchip{padding:6px 10px;border-radius:999px;font-size:12.5px;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text-2)}.asst-fbchip.on{border-color:var(--accent);background:var(--accent-bg);color:var(--accent-text);font-weight:500}.asst-fbdone{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--text);margin-top:9px;line-height:1.4}.asst-fbdone i{color:#10b981;font-size:18px;flex-shrink:0}@media (max-width:760px){.asst-fab{right:16px;bottom:calc(84px + env(safe-area-inset-bottom));width:50px;height:50px}.asst-panel{right:12px;left:12px;width:auto;max-width:none;bottom:calc(144px + env(safe-area-inset-bottom));max-height:64vh}}@media (max-width:560px){.cc-lbl{font-size:12px}.cc-act{padding-left:11px!important;padding-right:11px!important}}.cc-tip{position:relative;display:inline-flex;flex-shrink:0}.cc-tip:after{content:attr(data-tip);position:absolute;bottom:calc(100% + 9px);left:50%;transform:translateX(-50%) translateY(4px);background:var(--text);color:var(--surface);font-size:12px;line-height:1.4;font-weight:400;padding:7px 11px;border-radius:10px;width:max-content;max-width:230px;text-align:center;opacity:0;pointer-events:none;transition:opacity .14s ease,transform .14s ease;box-shadow:0 8px 24px rgba(0,0,0,.2);z-index:95}.cc-tip:hover:after{opacity:1;transform:translateX(-50%) translateY(0)}.cc-tip-r:after{left:auto;right:0;transform:translateX(0) translateY(4px)}.cc-tip-r:hover:after{transform:translateX(0) translateY(0)}.cc-tip-br:after{bottom:auto;top:calc(100% + 9px);left:auto;right:0;transform:translateY(-4px)}.cc-tip-br:hover:after{transform:translateY(0)}@media (hover:none){.cc-tip:after{display:none}}@keyframes ccIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.cc-in{animation:ccIn .24s ease both}.cc-dots{display:inline-flex;gap:4px;align-items:center}.cc-dots i{width:6px;height:6px;border-radius:50%;background:var(--text-3);animation:ccDot 1.2s ease-in-out infinite}.cc-dots i:nth-child(2){animation-delay:.15s}.cc-dots i:nth-child(3){animation-delay:.3s}@keyframes ccDot{0%,60%,to{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}details.about-caps>summary::-webkit-details-marker{display:none}details.about-caps>summary:hover{background:var(--surface-2)}details.about-caps[open]>summary .about-caps-chevron{transform:rotate(180deg)}.dash-cta{transition:transform .12s ease,box-shadow .2s ease,filter .15s ease}.dash-cta:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 9px 26px color-mix(in srgb,var(--accent) 50%,transparent)}.dash-cta:active{transform:translateY(0) scale(.98)}