.sm-shell{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#fff;--surface:#f8fafc;--surface-2:#eef2f8;--surface-3:#e3e9f2;--border:#d6dee9;--border-soft:#e6ebf3;--text-strong:#0b1220;--text:#16202f;--text-body:#33415a;--text-muted:#55637d;--text-faint:#78849a;--accent:#0d8f62;--accent-strong:#0a7350;--accent-soft:#0d8f6217;--accent-border:#0d8f624d;--on-accent:#fff;--tip:#8a6100;--tip-soft:#e8b84b29;--tip-border:#b88a2061;--backdrop:#0f172a57;--shadow-lg:0 24px 60px #0f172a2e;--takeaways-bg:#fdf8ec;--takeaways-border:#f0e2bd;--takeaways-mark:#c98a12;--table-head-bg:#0b1526;--table-head-ink:#fff;--font-display:var(--font-inter,"Inter"), -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-ui:var(--font-inter,"Inter"), -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono:ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;--font-heading:var(--lt-font-heading);--font-reading:var(--lt-font-body);--shell-max:1440px;--shell-pad:20px;--sm-gutter:24px;--page:#f3f6fa;background:var(--page);min-height:100dvh;color:var(--text);font-family:var(--font-ui)}:root[data-sm-theme=dark] .sm-shell{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0a1120;--surface:#0e1729;--surface-2:#16223a;--surface-3:#1c2a45;--border:#223050;--border-soft:#1a253e;--text-strong:#f4f6fb;--text:#e7ecf5;--text-body:#cfd7e6;--text-muted:#92a0bc;--text-faint:#5c6b8a;--accent:#2fd199;--accent-strong:#58e0b3;--accent-soft:#2fd1991f;--accent-border:#2fd19959;--on-accent:#05271d;--tip:#e8b84b;--tip-soft:#e8b84b1a;--tip-border:#e8b84b4d;--backdrop:#040810b8;--shadow-lg:0 24px 60px #00000080;--page:#060c18;--takeaways-bg:#1d1a12;--takeaways-border:#3d3320;--takeaways-mark:#e8b84b;--table-head-bg:#16223a;--table-head-ink:#f4f6fb}.sm-shell{--sm-chrome-top:64px}@media (max-width:767px){.sm-shell{--sm-chrome-top:56px}}:root[data-sm-session] .sm-shell{--sm-chrome-top:0px}.sm-frame{align-items:flex-start;min-height:100dvh;display:flex}.sm-frame-rail{flex:none;height:100dvh;position:sticky;top:0}.sm-frame-body{flex-direction:column;flex:1;min-width:0;min-height:100dvh;display:flex}.sm-frame-visitor{display:contents}.sm-frame-page{flex:1}@media (max-width:767px){.sm-frame-rail{display:none}:root[data-sm-session] .sm-frame-page{padding-bottom:76px}}.sm-strip{box-sizing:border-box;width:calc(100% - 2 * var(--sm-gutter));max-width:calc(var(--shell-max) - 2 * var(--sm-gutter));background:var(--bg);border:1px solid var(--border-soft);border-radius:14px;flex-wrap:nowrap;align-items:center;gap:0 14px;margin:20px auto 0;padding:0 8px 0 18px;display:flex;box-shadow:0 1px 2px #0f172a0a,0 6px 18px #0f172a0f}.sm-strip-subject{flex:0 auto;align-items:center;gap:8px;min-width:0;max-width:250px;padding:10px 0;display:flex}.sm-strip-names{flex-direction:column;min-width:0;display:flex}.sm-strip-level{color:var(--text-muted);font-size:12px;font-weight:600}.sm-strip-name{-webkit-line-clamp:2;color:var(--text-strong);-webkit-box-orient:vertical;font-size:16px;font-weight:800;line-height:1.25;display:-webkit-box;overflow:hidden}.sm-strip-tabs{scrollbar-width:none;flex-wrap:nowrap;flex:auto;align-self:stretch;min-width:0;display:flex;overflow-x:auto}.sm-strip-tabs::-webkit-scrollbar{display:none}.sm-strip-tab{min-height:56px;color:var(--text-muted);white-space:nowrap;align-items:center;gap:6px;padding:0 9px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.sm-strip-tab:hover{color:var(--text)}.sm-strip-tab[aria-current=page]{color:var(--accent-strong);box-shadow:inset 0 -3px 0 var(--accent);font-weight:700}.sm-strip-tab.is-soon,.sm-strip-tab.is-soon:hover{cursor:default;color:var(--text-muted)}.sm-strip-badge{letter-spacing:.03em;text-transform:uppercase;border-radius:999px;padding:2px 7px;font-size:9.5px;font-weight:800}.sm-strip-badge.is-new{color:var(--tip);background:var(--tip-soft)}.sm-strip-badge.is-soon{color:var(--text-muted);background:var(--surface-2)}@media (max-width:1380px) and (min-width:781px){.sm-strip-tab svg{display:none}}@media (max-width:1220px) and (min-width:781px){.sm-strip-tabs{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 36px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 36px),#0000)}}@media (max-width:1430px) and (min-width:781px){:root[data-sm-session] .sm-strip-tab svg{display:none}}@media (max-width:1270px) and (min-width:781px){:root[data-sm-session] .sm-strip-tabs{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 36px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 36px),#0000)}}.sm-strip-actions{flex:none;align-items:center;gap:2px;margin-left:auto;display:flex}.sm-strip-icon{width:44px;height:44px;color:var(--text-muted);cursor:pointer;background:0 0;border:0;border-radius:10px;flex:none;justify-content:center;align-items:center;padding:0;text-decoration:none;display:inline-flex}.sm-strip-icon:hover{background:var(--surface-2);color:var(--text)}.sm-strip-icon.is-bordered{border:1px solid var(--border)}.sm-strip-tab:focus-visible,.sm-strip-icon:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}@media (max-width:780px){.sm-strip{flex-wrap:wrap;gap:0;width:auto;margin:12px 12px 0;padding:2px 6px 0 14px}.sm-strip-subject{flex:1 1 0;max-width:none;padding:6px 0}.sm-strip-actions{order:1}.sm-strip-tabs{scrollbar-width:none;border-top:1px solid var(--border-soft);flex-wrap:nowrap;flex:1 0 100%;order:2;margin:0 -6px 0 -14px;padding:0 4px;overflow-x:auto}.sm-strip-tab{min-height:46px;padding:0 10px;font-size:13.5px}}.sm-search-backdrop{z-index:60;background:var(--backdrop);justify-content:center;padding:12vh 16px 16px;display:flex;position:fixed;inset:0}.sm-search-panel{border:1px solid var(--border);background:var(--surface);width:100%;max-width:620px;max-height:70vh;box-shadow:var(--shadow-lg);border-radius:14px;flex-direction:column;display:flex;overflow:hidden}.sm-search-field{border-bottom:1px solid var(--border-soft);color:var(--text-faint);align-items:center;gap:10px;padding:0 14px;display:flex}.sm-search-field input{min-width:0;height:52px;color:var(--text);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:15px}.sm-search-field input::placeholder{color:var(--text-faint)}.sm-search-field .esc{border:1px solid var(--border);font-family:var(--font-mono);border-radius:5px;padding:2px 6px;font-size:10.5px}.sm-search-results{padding:6px;overflow-y:auto}.sm-search-note{color:var(--text-faint);margin:0;padding:18px 12px;font-size:13px}.sm-search-hit{text-align:left;width:100%;min-height:44px;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:11px;padding:8px 10px;font-family:inherit;display:flex}.sm-search-hit[data-active=true]{background:var(--surface-2)}.sm-search-hit .kind{color:var(--text-faint);flex-shrink:0}.sm-search-hit[data-active=true] .kind{color:var(--accent)}.sm-search-hit .text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.sm-search-hit .title{font-size:13.5px;line-height:1.35}.sm-search-hit .context{color:var(--text-faint);text-overflow:ellipsis;white-space:nowrap;font-size:11.5px;overflow:hidden}.sm-search-hit .badge{background:var(--surface-3);color:var(--text-muted);border-radius:999px;flex-shrink:0;padding:2px 7px;font-size:10.5px;font-weight:600}.sm-search-foot{border-top:1px solid var(--border-soft);color:var(--text-faint);gap:16px;padding:9px 14px;font-size:11px;display:flex}.sm-search-foot span{align-items:center;gap:5px;display:inline-flex}.sm-layout{grid-template-columns:var(--sm-left,300px) minmax(0, 1fr) 280px;gap:var(--sm-gutter);box-sizing:border-box;max-width:var(--shell-max);padding:20px var(--sm-gutter) 64px;align-items:start;margin:0 auto;display:grid}.sm-layout.sm-layout--no-onpage{grid-template-columns:var(--sm-left,300px) minmax(0, 1fr)}:root[data-sm-session] .sm-if-visitor,:root:not([data-sm-session]) .sm-if-member{display:none}@media (min-width:1101px){:root[data-sm-session] .sm-layout.sm-layout--visitor-rail{grid-template-columns:var(--sm-left,300px) minmax(0, 1fr)}:root[data-sm-session] .sm-layout--visitor-rail .sm-sidebar-right{display:none}}.sm-link-pending{vertical-align:-1px;border:2px solid var(--border-soft);border-top-color:currentColor;border-radius:50%;flex:none;width:12px;height:12px;margin-left:6px;animation:.7s linear infinite sm-link-pending-spin;display:inline-block}@keyframes sm-link-pending-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.sm-link-pending{animation:none}}.sm-sidebar{top:calc(var(--sm-chrome-top) + 16px);max-height:calc(100dvh - var(--sm-chrome-top) - 32px);box-sizing:border-box;position:sticky;overflow-y:auto}.sm-sidebar-left{background:var(--bg);border:1px solid var(--border-soft);border-radius:14px;padding:16px 12px}.sm-sidebar-right{padding:0}.sm-layout--chapters{transition:grid-template-columns .2s}.sm-chapter-rail{flex-direction:column;align-items:center;gap:6px;display:none}:root[data-sm-chapters=hidden] .sm-layout--chapters{--sm-left:60px}:root[data-sm-chapters=hidden] .sm-layout--chapters .sm-sidebar-left{padding:8px 0 10px}:root[data-sm-chapters=hidden] .sm-layout--chapters .sm-chapter-full{display:none}:root[data-sm-chapters=hidden] .sm-layout--chapters .sm-chapter-rail{display:flex}@media (prefers-reduced-motion:reduce){.sm-layout--chapters{transition:none}}.sm-chapter-rail-rule{background:var(--border-soft);width:28px;height:1px;margin:4px 0}.sm-chapters-btn{width:44px;height:44px;color:var(--text-muted);cursor:pointer;background:0 0;border:0;border-radius:10px;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.sm-chapters-btn:hover{background:var(--surface-2);color:var(--text-strong)}.sm-chapters-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sm-chapters-btn.is-show{color:var(--accent-strong)}.sm-nav-title-row{justify-content:space-between;align-items:center;gap:8px;margin:-12px -8px 4px 0;display:flex}.sm-nav-title-row .sm-nav-title{margin:0}.sm-rail-progress{flex-direction:column;align-items:center;gap:4px;padding:4px 0;display:flex}.sm-rail-ring{width:32px;height:32px}.sm-rail-ring .sm-ring-track,.sm-rail-ring .sm-ring-fill{stroke-width:3.5px}.sm-rail-count{color:var(--text-body);font-size:11.5px;font-weight:700}.sm-rail-banners{flex-direction:column;gap:14px;display:flex}.sm-rail-banner{border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:16px 16px 18px}.sm-rail-banner.is-primary{border-color:var(--accent-border);background:var(--accent-soft)}.sm-rail-banner .eyebrow{font-family:var(--font-ui);letter-spacing:.05em;text-transform:uppercase;color:var(--accent-strong);margin:0 0 6px;font-size:11px;font-weight:700}.sm-rail-banner .title{font-family:var(--font-display);color:var(--text-strong);margin:0 0 6px;font-size:16px;font-weight:700;line-height:1.3}.sm-rail-banner .body{color:var(--text-muted);margin:0 0 12px;font-size:13px;line-height:1.5}.sm-rail-banner .points{color:var(--text-body);flex-direction:column;gap:5px;margin:0 0 14px;padding:0;font-size:13px;list-style:none;display:flex}.sm-rail-banner .points li{align-items:center;gap:7px;display:flex}.sm-rail-banner .points svg{color:var(--accent);flex-shrink:0}.sm-rail-banner .price{flex-wrap:wrap;align-items:baseline;gap:6px;margin:0 0 14px;display:flex}.sm-rail-banner .price .amount{font-family:var(--font-display);color:var(--text-strong);font-size:20px;font-weight:800}.sm-rail-banner .price .unit{color:var(--text-faint);font-size:12px}.sm-rail-banner .cta{background:var(--accent);min-height:44px;color:var(--on-accent);border-radius:999px;justify-content:center;align-items:center;gap:6px;padding:10px 16px;font-size:13.5px;font-weight:700;text-decoration:none;display:flex}.sm-rail-banner .cta:hover{background:var(--accent-strong)}.sm-rail-banner .cta.is-secondary{color:var(--text);border:1px solid var(--border);background:0 0}.sm-rail-banner .cta.is-secondary:hover{background:var(--surface-2)}.sm-progress{border-bottom:1px solid var(--border-soft);margin:0 0 8px;padding:2px 8px 14px}.sm-progress-top{justify-content:space-between;align-items:center;gap:8px;margin:-12px -14px 2px 0;display:flex}.sm-progress-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 10px;margin-bottom:8px;display:flex}.sm-progress-label{letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);font-size:11.5px;font-weight:700}.sm-progress-count{color:var(--text-muted);font-size:12.5px}.sm-progress-count strong{color:var(--text-strong)}.sm-progress-count a{color:var(--accent-strong);font-weight:700}.sm-progress-bar{background:var(--surface-2);border-radius:999px;height:8px;overflow:hidden}.sm-progress-bar>span{background:var(--accent);border-radius:999px;height:100%;transition:width .3s;display:block}.sm-ring{flex:none;width:20px;height:20px}.sm-ring-track,.sm-ring-fill{fill:none;stroke-width:2.5px}.sm-ring-track{stroke:var(--border)}.sm-ring-fill{stroke:var(--accent);stroke-linecap:round}.sm-ring-done{fill:var(--accent)}.sm-ring-tick{fill:none;stroke:var(--on-accent);stroke-width:2.2px;stroke-linecap:round;stroke-linejoin:round}.sm-chapter-list{flex-direction:column;gap:2px;display:flex}.sm-chapter-link{box-sizing:border-box;min-height:40px;color:var(--text-body);border-radius:9px;align-items:center;gap:10px;padding:6px 10px 6px 8px;font-size:13.5px;font-weight:500;text-decoration:none;display:flex}.sm-chapter-link:hover{background:var(--surface-2);color:var(--text)}.sm-chapter-link.active{background:var(--accent-soft);color:var(--accent-strong);font-weight:700}.sm-chapter-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.sm-chapter-details>summary .sm-chapter-title{white-space:normal;line-height:1.35}.sm-chapter-part{font-family:var(--font-heading);color:var(--text-strong);margin:12px 0 4px;padding:0 10px;font-size:14.5px;font-weight:700;line-height:1.3}.sm-chapter-num{font-variant-numeric:tabular-nums;color:var(--text-faint);margin-right:6px}.sm-chapter-part:first-child{margin-top:0}.sm-chapter-link.draft .sm-chapter-title{opacity:.6;font-style:italic}.sm-chapter-link .chev{color:var(--text-faint);flex-shrink:0;align-self:center;transition:transform .15s}.sm-chapter-details>summary{cursor:pointer;list-style:none}.sm-chapter-details>summary::-webkit-details-marker{display:none}.sm-chapter-details[open]>summary .chev{transform:rotate(90deg)}.sm-chapter-details[open]>summary.sm-chapter-link.active{color:var(--text-strong);background:0 0}.sm-chapter-details[open]>summary.sm-chapter-link.active:hover{background:var(--surface-2)}.sm-chapter-details[open]>summary.sm-chapter-link.active .sm-chapter-num{color:var(--text-faint)}.sm-chapter-details .sm-topic-tree{margin-left:30px}.sm-onpage-title{font-family:var(--font-ui);letter-spacing:.05em;text-transform:uppercase;color:var(--text-faint);margin:0 0 6px;padding:0 6px 12px;font-size:11px;font-weight:700}.sm-topic-tree{border-left:1px solid var(--border-soft);margin:2px 0 8px 4px;padding-left:10px;list-style:none}.sm-topic-tree ul{margin:0;padding-left:26px;list-style:none}.sm-topic-tree a{color:var(--text-muted);border-radius:6px;align-items:baseline;gap:6px;margin:1px 0;padding:5px 6px;font-size:12.5px;line-height:1.4;text-decoration:none;display:flex;position:relative}.sm-topic-tree a:hover{background:var(--surface-2);color:var(--text)}.sm-topic-tree a.active{color:var(--accent-strong);background:0 0;font-weight:600}.sm-topic-tree a.active:before{content:"";background:var(--accent);border-radius:1px;width:2px;position:absolute;top:3px;bottom:3px;left:-11px}.sm-topic-tree .num{font-family:var(--font-mono);color:var(--text-faint);flex-shrink:0;font-size:11px}.sm-topic-tree a.active .num{color:var(--accent-strong)}.sm-main{background:var(--bg);border:1px solid var(--border-soft);border-radius:14px;min-width:0;padding:44px 52px 56px}.sm-content{max-width:720px;font-family:var(--font-reading);margin:0 auto}.sm-content strong{color:var(--text-strong);font-weight:700}.sm-kicker{color:var(--accent-strong);margin:0 0 10px;font-size:13.5px;font-weight:600}.sm-chapter-eyebrow{flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin:0 0 10px;display:flex}.sm-chapter-eyebrow .sm-kicker{margin:0}.sm-chapter-eyebrow .chap{font-family:var(--font-heading);color:var(--text-strong);font-size:17px;font-weight:700}.sm-chapter-eyebrow .chap+.sm-kicker:before{content:"·";color:var(--text-faint);margin-right:10px}@media (max-width:560px){.sm-chapter-eyebrow{flex-direction:column;gap:2px}.sm-chapter-eyebrow .chap+.sm-kicker:before{content:none}}.sm-h1{font-family:var(--font-heading);letter-spacing:-.01em;border-bottom:1px solid var(--border);color:var(--text-strong);text-wrap:balance;margin:0 0 14px;padding-bottom:18px;font-size:42px;font-weight:700;line-height:1.1}@media (max-width:780px){.sm-h1{font-size:32px}}.sm-chapter-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0 0 28px;font-size:13.5px;display:flex}.sm-chapter-meta span+span:before{content:"·";margin-right:10px}@media (max-width:560px){.sm-chapter-meta .is-date{flex-basis:100%}.sm-chapter-meta .is-date+span:before{content:none}}.sm-content h2{font-family:var(--font-heading);color:var(--text-strong);text-wrap:balance;scroll-margin-top:calc(var(--sm-chrome-top) + 20px);flex-wrap:wrap;align-items:center;gap:6px 14px;margin:40px 0 14px;font-size:28px;font-weight:700;line-height:1.2;display:flex}.sm-content h2:first-child{margin-top:0}.sm-content h2.sm-h2:not(:first-child){border-top:1px solid var(--border-soft);padding-top:36px}.sm-content .sm-takeaways+h2.sm-h2{border-top:0;margin-top:0;padding-top:0}.sm-content h3{font-family:var(--font-heading);color:var(--text-strong);scroll-margin-top:calc(var(--sm-chrome-top) + 20px);flex-wrap:wrap;align-items:center;gap:6px 12px;margin:30px 0 10px;font-size:21px;font-weight:700;line-height:1.3;display:flex}.sm-content h4{font-family:var(--font-heading);color:var(--text-strong);scroll-margin-top:calc(var(--sm-chrome-top) + 20px);flex-wrap:wrap;align-items:center;gap:6px 10px;margin:26px 0 10px;font-size:18px;font-weight:700;line-height:1.35;display:flex}.sm-content h2 .num,.sm-content h3 .num,.sm-content h4 .num{font-family:var(--font-mono);color:var(--text-faint);margin-right:10px;font-size:.82em;font-weight:500}.sm-content p{color:var(--text-body);margin:0 0 18px;font-size:16.5px;line-height:1.8}.sm-deflist{margin:0 0 20px;padding:4px 0}.sm-deflist-item{border-bottom:1px solid 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