:root{--px-bg: #03172f;--px-deep: #020f22;--px-surface: #082440;--px-surface-2: #0a2d4c;--px-ink: #f6f1e8;--px-ink-2: #d9e2ee;--px-muted: #b8c6d8;--px-gold: #dfb563;--px-gold-light: #ffe6a0;--px-on-gold: #05162c;--px-line: rgba(223, 181, 99, .26);--px-line-strong: rgba(223, 181, 99, .5);--px-line-soft: rgba(184, 198, 216, .22);--px-accent: var(--px-gold);--px-accent-soft: rgba(223, 181, 99, .12);--px-focus: #ffe6a0;--px-radius: 10px;--px-radius-lg: 16px;--px-wrap: 1120px;--px-read: 42rem;--px-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--px-serif: Cambria, "Times New Roman", "Noto Serif", "Liberation Serif", serif;--px-s1: .25rem;--px-s2: .5rem;--px-s3: .75rem;--px-s4: 1rem;--px-s5: 1.5rem;--px-s6: 2rem;--px-s7: 3rem;--px-s8: 4.5rem;color-scheme:dark}.px,.px *,.px *:before,.px *:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;background:var(--px-deep)}.px{margin:0;background:radial-gradient(ellipse at 90% 0%,rgba(18,71,106,.4),transparent 45%),var(--px-bg);color:var(--px-ink);font-family:var(--px-font);font-size:1.0625rem;line-height:1.7}.px h1,.px h2,.px h3,.px h4{margin:0;line-height:1.2;letter-spacing:-.01em;text-wrap:balance}.px h1,.px h2,.px .px-serif{font-family:var(--px-serif);font-weight:400}.px p{margin:0 0 var(--px-s4)}.px img,.px svg{max-width:100%}.px a{color:var(--px-gold-light);text-underline-offset:3px;text-decoration-thickness:1px}.px a:hover{color:#fff;text-decoration-thickness:2px}.px :focus-visible{outline:3px solid var(--px-focus);outline-offset:3px;border-radius:4px}.px [hidden]{display:none!important}.px strong{color:var(--px-ink)}.px-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.px-skip{position:absolute;left:var(--px-s4);top:-4rem;z-index:100;background:var(--px-gold-light);color:var(--px-on-gold)!important;padding:var(--px-s2) var(--px-s4);border-radius:var(--px-radius);text-decoration:none;font-weight:700}.px-skip:focus{top:var(--px-s2)}.px-wrap{width:100%;max-width:var(--px-wrap);margin:0 auto;padding:0 var(--px-s4)}.px-measure{max-width:var(--px-read);min-width:0}@media(min-width:720px){.px{font-size:1.125rem}.px-wrap{padding:0 var(--px-s6)}}.px-header{background:#03172ff5;border-bottom:1px solid var(--px-line);position:relative;z-index:20}.px-header__row{display:flex;align-items:center;justify-content:space-between;gap:var(--px-s4);min-height:4.25rem;padding:var(--px-s2) 0}.px-brand{display:inline-flex;align-items:center;text-decoration:none}.px-logo{display:block;width:clamp(140px,22vw,190px);height:auto;overflow:visible}.px-logo--mark{width:auto}.px-shine{opacity:0;transform:translate(40px);animation:px-sheen 1.9s ease-in-out 1.2s 2 both}@keyframes px-sheen{0%{opacity:0;transform:translate(40px)}12%{opacity:.9}88%{opacity:.9}to{opacity:0;transform:translate(760px)}}.px-menu-btn{display:none;align-items:center;gap:var(--px-s2);min-height:44px;padding:0 var(--px-s3);font:inherit;font-size:.97rem;font-weight:600;color:var(--px-ink);background:transparent;border:1px solid var(--px-line-strong);border-radius:999px;cursor:pointer}.px-menu-btn:hover{border-color:var(--px-gold-light);color:var(--px-gold-light)}.px-menu-btn .px-bars{position:relative;width:18px;height:2px;background:currentColor;transition:background .18s}.px-menu-btn .px-bars:before,.px-menu-btn .px-bars:after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;transition:transform .2s ease}.px-menu-btn .px-bars:before{top:-6px}.px-menu-btn .px-bars:after{top:6px}.px-header[data-open] .px-menu-btn .px-bars{background:transparent}.px-header[data-open] .px-menu-btn .px-bars:before{transform:translateY(6px) rotate(45deg)}.px-header[data-open] .px-menu-btn .px-bars:after{transform:translateY(-6px) rotate(-45deg)}.px-nav ul{display:flex;flex-wrap:wrap;gap:0 var(--px-s5);list-style:none;margin:0;padding:0}.px-nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--px-ink-2);text-decoration:none;font-size:.97rem;border-bottom:2px solid transparent}.px-nav a:hover{color:var(--px-gold-light);border-bottom-color:var(--px-line-strong)}.px-nav a[aria-current=page]{color:var(--px-gold-light);font-weight:700;border-bottom-color:var(--px-gold)}.px-nav small{margin-left:.4rem;font-size:.72rem;color:var(--px-muted);border:1px solid var(--px-line-soft);border-radius:999px;padding:0 .45rem;line-height:1.5;white-space:nowrap}@media(max-width:959px){.js .px-menu-btn{display:inline-flex}.js .px-nav{display:grid;grid-template-rows:0fr;visibility:hidden;transition:grid-template-rows .22s ease,visibility 0s linear .22s;border-top:0 solid var(--px-line)}.js .px-nav>div{overflow:hidden;min-height:0}.js .px-header[data-open] .px-nav{grid-template-rows:1fr;visibility:visible;transition-delay:0s;border-top-width:1px}.px-nav ul{flex-direction:column;gap:0;padding-bottom:var(--px-s3)}.px-nav li{border-bottom:1px solid var(--px-line-soft)}.px-nav a{width:100%;min-height:52px;border-bottom:0}.px-nav a[aria-current=page]{box-shadow:inset 3px 0 0 var(--px-gold);padding-left:var(--px-s3)}.px-header__row{flex-wrap:wrap;row-gap:0}.px-nav{width:100%}}.px-eyebrow{margin:0 0 var(--px-s3);font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--px-gold)}.px-display{font-size:clamp(2.4rem,8.5vw,4.1rem);line-height:1.08;letter-spacing:-.02em}.px-display em{display:block;font-style:normal;color:var(--px-gold-light)}.px-h2{font-size:clamp(1.6rem,4.4vw,2.3rem);line-height:1.2}.px-h3{font-size:1.2rem;font-weight:700;font-family:var(--px-font)}.px-lead{font-size:clamp(1.08rem,2.5vw,1.25rem);line-height:1.75;color:var(--px-ink-2);max-width:36rem}.px-muted{color:var(--px-muted)}.px-small{font-size:.9rem}.px-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--px-s2);min-height:48px;padding:0 var(--px-s5);font:inherit;font-size:.97rem;font-weight:700;text-decoration:none!important;border-radius:8px;border:1px solid var(--px-gold);background:linear-gradient(110deg,#c99543,#ffe2a0 50%,#c99543);color:var(--px-on-gold)!important;cursor:pointer;transition:filter .15s,transform .15s,background-color .15s}.px-btn:hover{filter:brightness(1.08);color:var(--px-on-gold)!important}.px-btn:active{transform:translateY(1px)}.px-btn--ghost{background:transparent;color:var(--px-gold-light)!important;border-color:var(--px-line-strong)}.px-btn--ghost:hover{background:var(--px-accent-soft);color:#fff!important;filter:none}.px-btn--light{background:var(--px-ink);border-color:var(--px-ink);color:var(--px-on-gold)!important}.px-btn--small{min-height:44px;padding:0 var(--px-s4);font-size:.92rem}.px-btn[disabled]{opacity:.45;cursor:not-allowed;filter:none}.px-actions{display:flex;flex-wrap:wrap;gap:var(--px-s3);margin-top:var(--px-s5)}.px-link-arrow:after{content:" →"}.px-chip{display:inline-block;font-size:.78rem;font-weight:650;line-height:1.6;padding:0 .65rem;border-radius:999px;background:var(--px-accent-soft);color:var(--px-gold-light);border:1px solid var(--px-line)}.px-chip--draft{background:#dfb5631a;color:var(--px-gold-light);border:1px solid var(--px-line-strong)}.px-chip--pending{background:transparent;color:var(--px-muted);border:1px dashed var(--px-line-soft)}.px-main{padding-bottom:var(--px-s8)}.px-section{padding-top:var(--px-s8)}.px-section__head{display:grid;gap:var(--px-s2);margin-bottom:var(--px-s5);max-width:40rem}.px-section__head p{margin:0;color:var(--px-ink-2)}.px-rule{border:0;border-top:1px solid var(--px-line);margin:0}.px-hero{padding:var(--px-s7) 0 var(--px-s6)}.px-hero__grid{display:grid;gap:var(--px-s6);align-items:center}.px-hero__fig{background:linear-gradient(130deg,#0a2d4c,#061d35);border:1px solid var(--px-line);border-radius:18px;overflow:hidden;box-shadow:0 28px 65px -30px #000000bf}.px-hero__fig svg{display:block;width:100%;height:auto}.px-hero__fig figcaption{padding:var(--px-s3) var(--px-s4);border-top:1px solid var(--px-line);font-size:.88rem;line-height:1.55;color:var(--px-muted)}@media(min-width:900px){.px-hero{padding:var(--px-s8) 0 var(--px-s7)}.px-hero__grid{grid-template-columns:1.05fr .95fr;gap:var(--px-s7)}}.px-values{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--px-line-strong)}.px-values li{padding:var(--px-s5) 0;border-bottom:1px solid var(--px-line);display:grid;gap:var(--px-s2)}.px-values .px-q{font-family:var(--px-serif);font-size:1.4rem;line-height:1.25}.px-values .px-q span{color:var(--px-gold-light)}.px-values p{margin:0;color:var(--px-muted)}@media(min-width:800px){.px-values{grid-template-columns:repeat(3,1fr)}.px-values li{padding:var(--px-s5) var(--px-s5) var(--px-s5) 0;border-bottom:0;border-right:1px solid var(--px-line)}.px-values li+li{padding-left:var(--px-s5)}.px-values li:last-child{border-right:0}}.px-start{display:grid;gap:var(--px-s6)}@media(min-width:900px){.px-start{grid-template-columns:.8fr 1.2fr;gap:var(--px-s7);align-items:start}}.px-steps-list{list-style:none;counter-reset:pxs;margin:0;padding:0;border-top:1px solid var(--px-line-strong)}.px-steps-list li{counter-increment:pxs;display:grid;grid-template-columns:2.5rem 1fr;gap:0 var(--px-s3);padding:var(--px-s4) 0;border-bottom:1px solid var(--px-line)}.px-steps-list li:before{content:counter(pxs);grid-row:1 / span 2;width:2rem;height:2rem;display:grid;place-items:center;border-radius:50%;border:1px solid var(--px-line-strong);color:var(--px-gold-light);font-weight:700;font-size:.92rem;margin-top:.1rem}.px-steps-list a{font-weight:700;color:var(--px-ink);text-decoration:none}.px-steps-list a:hover{color:var(--px-gold-light);text-decoration:underline}.px-steps-list p{margin:0;color:var(--px-muted);font-size:.95rem}.px-lanes{list-style:none;margin:0;padding:0;border-top:1px solid var(--px-line-strong)}.px-lanes li{display:grid;gap:var(--px-s2);padding:var(--px-s4) 0;border-bottom:1px solid var(--px-line);align-items:baseline}.px-lanes a{color:var(--px-ink);font-weight:700;font-size:1.12rem;text-decoration:none}.px-lanes a:hover{color:var(--px-gold-light);text-decoration:underline}.px-lanes p{margin:0;color:var(--px-muted);font-size:.97rem}.px-lanes .px-meta{display:flex;flex-wrap:wrap;gap:var(--px-s2);align-items:center}@media(min-width:800px){.px-lanes li{grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) 8.5rem;gap:var(--px-s5)}.px-lanes .px-meta{justify-self:end}}.px-dark{background:var(--px-deep);border-top:1px solid var(--px-line);border-bottom:1px solid var(--px-line);color:var(--px-ink-2)}.px-story{padding:var(--px-s8) 0;margin-top:var(--px-s8)}.px-story__grid{display:grid;gap:var(--px-s5)}@media(min-width:900px){.px-story__grid{grid-template-columns:.9fr 1.1fr;gap:var(--px-s7);align-items:start}}.px-pull{margin:0;font-family:var(--px-serif);font-size:clamp(1.5rem,3.6vw,2.1rem);line-height:1.35;font-weight:400;color:var(--px-gold-light)}.px-story p{color:var(--px-ink-2)}.px-invite{display:grid;gap:var(--px-s4);padding:var(--px-s6) 0 0;border-top:1px solid var(--px-line-strong)}@media(min-width:800px){.px-invite{grid-template-columns:1fr auto;align-items:center;gap:var(--px-s6)}}.px-invite p{margin:0;max-width:38rem}.px-fig{margin:var(--px-s5) 0;background:linear-gradient(130deg,#0a2d4c,#061d35);border:1px solid var(--px-line);border-radius:18px;overflow:hidden}.px-fig__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--px-s1) var(--px-s4);padding:var(--px-s4) var(--px-s4) var(--px-s3)}.px-fig__title{font-family:var(--px-serif);font-size:1.2rem;letter-spacing:-.005em}.px-fig__state{font-size:.88rem;font-weight:700;color:var(--px-gold-light)}.px-fig__intro{padding:0 var(--px-s4) var(--px-s3);margin:0;color:var(--px-muted);font-size:.95rem;line-height:1.6}.px-fig__body{display:grid;border-top:1px solid var(--px-line)}.px-step{display:grid;gap:0}.px-step__label{margin:0;padding:var(--px-s3) var(--px-s4);font-size:.95rem;font-weight:700;color:var(--px-gold-light);background:#020f2273;border-bottom:1px solid var(--px-line)}.px-step__art{padding:var(--px-s3);display:grid;gap:var(--px-s2);justify-items:center;align-content:start;background:#061d35}.px-step__art>div{width:100%;max-width:560px}.px-step__art svg{display:block;width:100%;max-width:560px;height:auto}.px-read-grid{display:grid;gap:var(--px-s3);padding:var(--px-s3) var(--px-s4) var(--px-s4)}.px-read{margin:0;padding:0 0 0 var(--px-s3);border-left:3px solid var(--px-ink);font-size:.97rem;line-height:1.6;color:var(--px-ink-2)}.px-read h4{margin:0 0 .15rem;font-family:var(--px-font);font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--px-ink)}.px-read p{margin:0}.px-read p+p{margin-top:.35rem}.px-read--explain{border-left-color:var(--px-muted)}.px-read--explain h4{color:var(--px-muted)}.px-read--conclude{border-left:3px dashed var(--px-gold)}.px-read--conclude h4{color:var(--px-gold)}@media(min-width:880px){.px-step--cols{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.px-step--cols .px-step__label{grid-column:1 / -1}.px-step--cols .px-step__art{border-right:1px solid var(--px-line);padding:var(--px-s4)}.px-step--cols .px-read-grid{align-content:start;padding:var(--px-s4)}}.px-legend{display:grid;gap:.3rem;width:100%;max-width:560px;margin:0;padding:var(--px-s2) var(--px-s3);background:#020f2299;border:1px solid var(--px-line-soft);border-radius:var(--px-radius);font-size:.88rem;line-height:1.5;color:var(--px-muted)}.px-legend__item{display:block}.px-sw{display:inline-block;width:1.5rem;height:.95rem;vertical-align:-.15rem;margin-right:.3rem;border-radius:3px}.px-sw--ghost{border:2px dashed var(--px-muted);background:transparent}.px-sw--new{background:var(--px-gold-light);border:2px solid var(--px-gold-light)}.px-sw--line{height:.2rem;background:var(--px-gold-light);vertical-align:.15rem}.px-calc{margin-top:var(--px-s2);border:1px solid var(--px-line);border-radius:var(--px-radius);background:#020f2280}.px-calc>summary{cursor:pointer;font-weight:700;font-size:.95rem;min-height:44px;display:flex;align-items:center;padding:0 var(--px-s3);color:var(--px-gold-light)}.px-calc[open]>summary{border-bottom:1px solid var(--px-line)}.px-calc__body{padding:var(--px-s3);font-size:.93rem;line-height:1.6;color:var(--px-ink-2)}.px-calc__body p{margin:0 0 var(--px-s2)}.px-calc__body table{border-collapse:collapse;width:100%;margin:0 0 var(--px-s2)}.px-calc__body th,.px-calc__body td{text-align:left;padding:.3rem .6rem .3rem 0;border-bottom:1px solid var(--px-line-soft)}.px-calc[open] .px-calc__body{animation:px-in .22s ease both}.px-fig__controls{display:none;align-items:center;flex-wrap:wrap;gap:var(--px-s3);padding:var(--px-s3) var(--px-s4);border-top:1px solid var(--px-line);background:#020f2273}.js .px-fig__controls{display:flex}.px-fig__nav{display:flex;flex-wrap:wrap;gap:var(--px-s2);max-width:100%}.px-fig__nav .px-btn{min-width:0;flex:1 1 auto}.px-range{flex:1 1 11rem;min-width:9rem;accent-color:var(--px-gold);height:44px;margin:0;cursor:pointer}.px-zoom-btn{margin-left:auto}.px-nojs{display:none}html:not(.js) .px-nojs{display:block}.px-fig__body:focus-visible{outline-offset:-3px}.px-fig__note{margin:0;padding:var(--px-s3) var(--px-s4);font-size:.85rem;line-height:1.55;color:var(--px-muted);border-top:1px solid var(--px-line)}html:not(.js) .px-step:not([data-static]){display:none}.js .px-step[data-active=false]{display:none}.px-step[data-anim]{animation:px-in .24s ease both}@keyframes px-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}.px-dialog{width:min(1000px,calc(100vw - 1rem));max-width:none;max-height:calc(100vh - 1rem);max-height:calc(100dvh - 1rem);padding:0;border:1px solid var(--px-line-strong);border-radius:18px;background:var(--px-surface);color:var(--px-ink);box-shadow:0 30px 80px -20px #000c}.px-dialog::backdrop{background:#010812c7}.px-dialog[open]{display:flex;flex-direction:column;animation:px-in .2s ease both}.px-dialog__bar{flex:none;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;row-gap:var(--px-s2);gap:var(--px-s3);padding:var(--px-s3) var(--px-s4);background:var(--px-surface);border-bottom:1px solid var(--px-line)}.px-dialog__bar strong{flex:1 1 8rem;min-width:0;overflow-wrap:anywhere;font-size:1rem}.px-dialog__bar .px-btn{min-height:44px;min-width:5.5rem}.px-dialog__tools{display:flex;flex-wrap:wrap;align-items:center;gap:var(--px-s2);width:100%}.px-seg{display:inline-flex;border:1px solid var(--px-line-strong);border-radius:var(--px-radius);overflow:hidden}.px-seg button{min-height:44px;padding:0 var(--px-s4);font:inherit;font-size:.93rem;font-weight:650;color:var(--px-ink);background:transparent;border:0;cursor:pointer}.px-seg button+button{border-left:1px solid var(--px-line-strong)}.px-seg button[aria-pressed=true]{background:var(--px-gold);color:var(--px-on-gold)}.px-dialog__hint{margin:0;font-size:.85rem;color:var(--px-muted)}.px-dialog__body{flex:1 1 auto;min-height:0;overflow:auto;padding:var(--px-s3);-webkit-overflow-scrolling:touch;background:#061d35}.px-dialog__body img{display:block;width:100%;height:auto;margin:0 auto;background:#fff;padding:.5rem;border-radius:8px}.px-dialog__body svg{display:block;margin:0 auto}.px-dialog__body[data-mode=fit] svg{width:100%;height:auto;max-height:calc(100dvh - 12rem)}.px-dialog__body[data-mode=zoom] svg{width:max(760px,150%);max-width:none;max-height:none}.px-dialog__body .px-dialog-cap{margin:var(--px-s3) 0 0;font-size:.93rem;color:var(--px-muted)}.px-article{padding-top:var(--px-s6)}.px-crumbs{display:flex;flex-wrap:wrap;gap:var(--px-s1) var(--px-s2);margin:0 0 var(--px-s4);padding:0;list-style:none;font-size:.9rem;color:var(--px-muted)}.px-crumbs li+li:before{content:"›";margin-right:var(--px-s2);color:var(--px-gold)}.px-article__head{max-width:50rem;margin-bottom:var(--px-s6)}.px-article__head h1{font-size:clamp(2rem,5.6vw,3.1rem);line-height:1.12;margin:var(--px-s3) 0}.px-article__head .px-lead{max-width:38rem}.px-meta-row{display:flex;flex-wrap:wrap;gap:var(--px-s1) var(--px-s4);margin:var(--px-s4) 0 0;font-size:.9rem;color:var(--px-muted)}.px-scope{margin:var(--px-s4) 0 0;padding:var(--px-s3) var(--px-s4);background:var(--px-surface);border:1px solid var(--px-line);border-left:3px solid var(--px-gold);border-radius:var(--px-radius);font-size:.95rem;line-height:1.6;color:var(--px-ink-2)}.px-article__layout{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--px-s6)}@media(min-width:1000px){.px-article__layout{grid-template-columns:15rem minmax(0,var(--px-read));gap:var(--px-s7)}.px-article__aside{position:sticky;top:var(--px-s4);align-self:start}}.px-toc{margin:0;font-size:.95rem}.px-toc summary{cursor:pointer;font-weight:700;min-height:44px;display:flex;align-items:center;list-style:none;color:var(--px-gold-light)}.px-toc summary::-webkit-details-marker{display:none}.px-toc summary:after{content:"";margin-left:auto;width:.55rem;height:.55rem;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .18s}.px-toc[open] summary:after{transform:rotate(-135deg)}.px-toc ol{margin:0;padding:0 0 0 1.15rem;display:grid;gap:var(--px-s2)}.px-toc a{color:var(--px-ink-2);text-decoration:none}.px-toc a:hover{color:var(--px-gold-light);text-decoration:underline}.px-toc,.px-article__aside{min-width:0}@media(max-width:999px){.px-toc{border:1px solid var(--px-line);border-radius:var(--px-radius);padding:0 var(--px-s4);background:var(--px-surface)}.px-toc[open]{padding-bottom:var(--px-s3)}}@media(min-width:1000px){.px-toc summary{pointer-events:none}.px-toc summary:after{display:none}}.px-prose{font-size:1.0625rem;line-height:1.8;color:var(--px-ink-2)}@media(min-width:720px){.px-prose{font-size:1.125rem}}.px-prose h2{font-size:clamp(1.45rem,3.8vw,1.85rem);margin:var(--px-s7) 0 var(--px-s3);scroll-margin-top:var(--px-s4);color:var(--px-ink)}.px-prose h3{font-size:1.2rem;margin:var(--px-s5) 0 var(--px-s2);color:var(--px-ink)}.px-prose ul,.px-prose ol{padding-left:1.4rem;margin:0 0 var(--px-s4)}.px-prose li{margin-bottom:.4rem}.px-prose li::marker{color:var(--px-gold)}.px-prose blockquote{margin:var(--px-s5) 0;padding:var(--px-s2) var(--px-s4);border-left:3px solid var(--px-gold);background:var(--px-accent-soft);border-radius:0 var(--px-radius) var(--px-radius) 0}.px-prose code{background:#ffffff14;color:var(--px-gold-light);padding:.1rem .35rem;border-radius:4px;font-size:.92em;overflow-wrap:anywhere}.px-prose table{width:100%;border-collapse:collapse;margin:var(--px-s4) 0;font-size:.95rem;display:block;overflow-x:auto}.px-prose th,.px-prose td{border:1px solid var(--px-line-soft);padding:.5rem .7rem;text-align:left;vertical-align:top}.px-prose th{background:#dfb5631f;color:var(--px-ink)}.px-prose tbody tr:nth-child(2n) td{background:#ffffff08}.px-prose table.stack-table{display:table}@media(max-width:719px){.px-prose table.stack-table,.px-prose table.stack-table tbody,.px-prose table.stack-table tr,.px-prose table.stack-table th,.px-prose table.stack-table td{display:block;width:100%}.px-prose table.stack-table thead{display:none}.px-prose table.stack-table tr{border:1px solid var(--px-line);border-radius:var(--px-radius);background:var(--px-surface);margin:0 0 var(--px-s3);overflow:hidden}.px-prose table.stack-table th[scope=row]{background:#dfb5631f;border:0;padding:.55rem .75rem}.px-prose table.stack-table td{border:0;border-top:1px solid var(--px-line-soft);padding:.55rem .75rem}.px-prose table.stack-table td:before{content:attr(data-label);display:block;font-weight:700;font-size:.85rem;color:var(--px-gold-light);margin-bottom:.15rem}}.px-prose p>img{display:block;width:100%;max-width:34rem;height:auto;background:#fff;padding:.5rem;border:1px solid var(--px-line-strong);border-radius:var(--px-radius);margin:var(--px-s2) 0}.px-prose p>img+em{display:block;margin-bottom:var(--px-s2);font-style:normal;font-size:.93rem;color:var(--px-muted)}.px-prose .px-zoomable{display:block;position:relative;max-width:34rem;padding:0;margin:var(--px-s2) 0;border:0;background:none;cursor:zoom-in;font:inherit;text-align:left}.px-prose .px-zoomable img{margin:0;width:100%}.px-prose .px-zoomable:after{content:"Xem hình lớn";position:absolute;right:var(--px-s3);bottom:var(--px-s3);padding:.1rem .6rem;font-size:.8rem;font-weight:700;color:var(--px-on-gold);background:var(--px-gold-light);border-radius:999px}.px-prose details{border:1px solid var(--px-line);border-radius:var(--px-radius);padding:0 var(--px-s4);margin:var(--px-s3) 0;background:var(--px-surface)}.px-prose summary{cursor:pointer;font-weight:700;min-height:48px;display:flex;align-items:center;color:var(--px-gold-light)}.px-prose details[open]{padding-bottom:var(--px-s3)}.px-prose details[open]>:not(summary){animation:px-in .22s ease both}.px-prose a{overflow-wrap:anywhere}.px-prose strong{color:var(--px-ink)}.px-block{margin-top:var(--px-s7);padding-top:var(--px-s5);border-top:1px solid var(--px-line-strong)}.px-block h2{font-size:1.4rem;margin:0 0 var(--px-s3)}.px-sources{margin:0;padding-left:1.2rem;display:grid;gap:var(--px-s3);font-size:.95rem;line-height:1.6;color:var(--px-muted)}.px-sources li,.px-sources a{overflow-wrap:anywhere;word-break:break-word}.px-pager{display:grid;gap:var(--px-s3);margin-top:var(--px-s7)}@media(min-width:720px){.px-pager{grid-template-columns:1fr 1fr}}.px-pager a{display:grid;gap:.2rem;padding:var(--px-s4);border:1px solid var(--px-line);border-radius:var(--px-radius);background:var(--px-surface);color:var(--px-ink);text-decoration:none;transition:border-color .15s,background-color .15s}.px-pager a:hover{border-color:var(--px-gold);background:var(--px-surface-2);color:var(--px-ink)}.px-pager small{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--px-gold)}.px-pager strong{font-size:1.02rem;line-height:1.4;overflow-wrap:anywhere}.px-pager .px-next{text-align:right}.px-pager .px-prev:only-child,.px-pager .px-next:only-child{grid-column:1 / -1}.px-story-page{padding-top:var(--px-s7)}.px-story-page .px-prose h2{color:var(--px-gold-light);font-size:1.55rem}.px-beat{font-family:var(--px-serif);font-size:1.55rem;line-height:1.35;margin:var(--px-s5) 0;color:var(--px-ink)}.px-lesson{margin:var(--px-s5) 0;padding:var(--px-s4) var(--px-s5);background:var(--px-surface);border:1px solid var(--px-line);border-left:3px solid var(--px-gold);border-radius:0 var(--px-radius) var(--px-radius) 0}.px-lesson p{margin:0;font-weight:550;color:var(--px-ink)}.px-lesson .px-lesson-note{margin-top:var(--px-s2);font-size:.88rem;font-weight:400;color:var(--px-muted)}.px-connect{padding-top:var(--px-s7)}.px-ref-choices{border:0;margin:var(--px-s4) 0 0;padding:0;min-width:0;display:grid;gap:var(--px-s3)}.px-ref-choices legend{padding:0;margin-bottom:var(--px-s3);font-family:var(--px-serif);font-size:1.55rem;max-width:100%;overflow-wrap:anywhere}.px-choice{position:relative;display:block}.px-choice input{position:absolute;opacity:0;width:1px;height:1px}.px-choice label{display:grid;grid-template-columns:1.4rem 1fr;gap:var(--px-s3);align-items:start;padding:var(--px-s4);min-height:56px;border:1px solid var(--px-line);border-radius:var(--px-radius);background:var(--px-surface);cursor:pointer;transition:border-color .15s,background-color .15s}.px-choice label:before{content:"";width:1.25rem;height:1.25rem;margin-top:.2rem;border:2px solid var(--px-muted);border-radius:50%;background:transparent;transition:border-color .15s,box-shadow .15s}.px-choice label:hover{border-color:var(--px-gold)}.px-choice input:checked+label{border-color:var(--px-gold);background:var(--px-surface-2)}.px-choice input:checked+label:before{border-color:var(--px-gold-light);box-shadow:inset 0 0 0 3px var(--px-surface-2),inset 0 0 0 10px var(--px-gold-light)}.px-choice input:focus-visible+label{outline:3px solid var(--px-focus);outline-offset:3px}.px-choice .px-choice__name{font-weight:700;display:block}.px-choice .px-choice__sub{display:block;font-size:.92rem;color:var(--px-muted)}.px-ref-panel{margin-top:var(--px-s5);padding:var(--px-s5);background:var(--px-surface);border:1px solid var(--px-line);border-radius:18px;display:grid;gap:var(--px-s5)}@media(min-width:720px){.px-ref-panel{grid-template-columns:1fr 15rem;align-items:start}}.px-ref-panel h3,.px-ref-panel h2{font-family:var(--px-serif);font-weight:400}.px-ref-panel h3{font-size:1.45rem}.px-ref-panel dl{margin:var(--px-s3) 0 0;display:grid;gap:var(--px-s2)}.px-ref-panel dt{font-size:.76rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--px-gold)}.px-ref-panel dd{margin:0}.px-direct{border-color:var(--px-line-strong)}.px-placeholder{padding:var(--px-s3) var(--px-s4);border:1px dashed var(--px-muted);border-radius:var(--px-radius);color:var(--px-muted);background:#020f2280;font-size:.95rem;line-height:1.55}.px-qr{margin:0;padding:var(--px-s3);background:var(--px-deep);border:1px solid var(--px-line-strong);border-radius:18px}.px-qr img{display:block;width:100%;max-width:15rem;height:auto;border-radius:14px}.px-qr figcaption{margin-top:var(--px-s2);font-size:.9rem;color:var(--px-muted);line-height:1.5}.px-qr--empty .px-qr__frame{aspect-ratio:1;display:grid;place-items:center;text-align:center;padding:var(--px-s4);border:2px dashed var(--px-muted);border-radius:14px;color:var(--px-muted);font-size:.92rem;background:#020f2280}.px-hint{margin:var(--px-s4) 0 0;padding:var(--px-s3) var(--px-s4);background:var(--px-surface);border:1px solid var(--px-line-soft);border-radius:var(--px-radius);font-size:.95rem;color:var(--px-ink-2)}.px-disclosure{margin-top:var(--px-s6)}.px-footer{border-top:1px solid var(--px-line);background:var(--px-deep);padding:var(--px-s6) 0;color:var(--px-muted);font-size:.93rem;line-height:1.65}.px-footer p{margin:0 0 var(--px-s2)}.px-footer strong{color:var(--px-ink)}html:not(.js) .px-js-only{display:none!important}.px code{overflow-wrap:anywhere}.px-meta-row>*{overflow-wrap:anywhere}@media(max-width:640px){.px-fig{margin-left:calc(-1 * var(--px-s4));margin-right:calc(-1 * var(--px-s4));border-left:0;border-right:0;border-radius:0}.px-step__art{padding:.25rem}}@media(prefers-reduced-motion:reduce){:root:not(.px-motion-user) .px *,:root:not(.px-motion-user) .px *:before,:root:not(.px-motion-user) .px *:after{animation:none!important;transition:none!important}.px *,.px *:before,.px *:after{scroll-behavior:auto!important}}.px-page{padding-top:var(--px-s7)}.px-jump{display:flex;flex-wrap:wrap;gap:var(--px-s2) var(--px-s4);margin-top:var(--px-s3)}.px-jump a{display:inline-flex;align-items:center;min-height:44px}.px-cards{display:grid;gap:var(--px-s4);margin-top:var(--px-s4);grid-template-columns:minmax(0,1fr)}@media(min-width:800px){.px-cards{grid-template-columns:1fr 1fr}}.px-card{background:var(--px-surface);border:1px solid var(--px-line);border-radius:14px;padding:var(--px-s5);min-width:0}.px-card__title{font-family:var(--px-serif);font-weight:400;font-size:1.4rem;margin:0 0 var(--px-s2)}.px-card .px-steps-list{border-top:1px solid var(--px-line)}.px-plain{margin:0;padding:0;list-style:none;display:grid;gap:var(--px-s2)}.px-steps-cards{list-style:none;counter-reset:pxc;margin:var(--px-s5) 0 0;padding:0;display:grid;gap:var(--px-s4);grid-template-columns:minmax(0,1fr)}@media(min-width:800px){.px-steps-cards{grid-template-columns:1fr 1fr}}.px-steps-cards>li{counter-increment:pxc;position:relative;padding-top:var(--px-s6)}.px-steps-cards>li:before{content:"Bước " counter(pxc);position:absolute;top:var(--px-s4);left:var(--px-s5);font-size:.74rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--px-gold)}.px-lane-list{display:grid;gap:var(--px-s3);margin-top:var(--px-s4)}.px-lane{background:var(--px-surface);border:1px solid var(--px-line);border-radius:14px;padding:0 var(--px-s5)}.px-lane>summary{cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:var(--px-s3);list-style:none}.px-lane>summary::-webkit-details-marker{display:none}.px-lane__name{font-family:var(--px-serif);font-size:1.3rem}.px-lane[open]{padding-bottom:var(--px-s4)}.px-lane[open]>summary{margin-bottom:var(--px-s2)}.px-filters{display:grid;gap:var(--px-s3);margin:var(--px-s5) 0 var(--px-s4)}.px-search{width:100%;max-width:30rem;min-height:48px;padding:0 var(--px-s4);font:inherit;color:var(--px-ink);background:var(--px-surface);border:1px solid var(--px-line-strong);border-radius:var(--px-radius)}.px-search::placeholder{color:var(--px-muted)}.px-chips{display:flex;flex-wrap:wrap;gap:var(--px-s2)}.px-chipbtn{min-height:44px;padding:0 var(--px-s4);font:inherit;font-size:.92rem;color:var(--px-ink);background:transparent;border:1px solid var(--px-line-strong);border-radius:999px;cursor:pointer}.px-chipbtn:hover{border-color:var(--px-gold-light);color:var(--px-gold-light)}.px-chipbtn[aria-pressed=true]{background:var(--px-gold);color:var(--px-on-gold);border-color:var(--px-gold);font-weight:700}.px-result-count{margin:0 0 var(--px-s3);font-size:.92rem;color:var(--px-muted)}.px-list{list-style:none;margin:0;padding:0;display:grid;gap:var(--px-s3);grid-template-columns:minmax(0,1fr)}@media(min-width:900px){.px-list{grid-template-columns:1fr 1fr}}.px-item{background:var(--px-surface);border:1px solid var(--px-line);border-radius:14px;padding:var(--px-s4) var(--px-s5);min-width:0;display:grid;gap:var(--px-s2);align-content:start}.px-item[hidden]{display:none!important}.px-item__meta{display:flex;flex-wrap:wrap;gap:var(--px-s1) var(--px-s2)}.px-item__title{font-family:var(--px-serif);font-weight:400;font-size:1.3rem;line-height:1.25;margin:0}.px-item__title a{color:var(--px-ink);text-decoration:none;overflow-wrap:anywhere}.px-item__title a:hover{color:var(--px-gold-light);text-decoration:underline}.px-item p{margin:0}.px-steps-list li>*{min-width:0;overflow-wrap:anywhere}.px-card,.px-lane{min-width:0}.px-lane>summary{flex-wrap:wrap;row-gap:var(--px-s1)}.px-lane__name{min-width:0;overflow-wrap:anywhere}.px-qr--original img{border-radius:0;max-width:15rem}.px-qr__actions{display:flex;flex-wrap:wrap;gap:var(--px-s2);margin-top:var(--px-s3)}.px-qr__help{margin-top:var(--px-s3);font-size:.9rem;color:var(--px-muted)}.px-qr__help summary{cursor:pointer;color:var(--px-gold-light);min-height:44px;display:flex;align-items:center}.px-qr__help ol{margin:var(--px-s2) 0;padding-left:1.2rem;display:grid;gap:var(--px-s2)}.px-qr__help p{margin:0}.px-dialog__body .px-qr-big img{padding:0;background:transparent;border-radius:0;width:auto;max-width:100%;max-height:80vh;margin:0 auto}.px .btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--px-s2);min-height:48px;padding:0 var(--px-s5);font:inherit;font-size:.97rem;font-weight:700;text-decoration:none;border-radius:8px;border:1px solid var(--px-gold);background:linear-gradient(110deg,#c99543,#ffe2a0 50%,#c99543);color:var(--px-on-gold);cursor:pointer}.px .btn:hover{filter:brightness(1.08)}.px .btn.ghost{background:transparent;color:var(--px-gold-light);border-color:var(--px-line-strong)}.px .btn.ghost:hover{background:var(--px-accent-soft);color:#fff;filter:none}.px .btn.danger{background:transparent;color:#ffb4b4;border-color:#d98a8a}.px .btn.danger:hover{background:#d98a8a24;filter:none}.px .notice{margin:var(--px-s4) 0;padding:var(--px-s3) var(--px-s4);background:var(--px-surface);border:1px solid var(--px-line);border-left:3px solid var(--px-gold);border-radius:var(--px-radius);font-size:.97rem;line-height:1.6;color:var(--px-ink-2)}.px .notice p:last-child{margin-bottom:0}.blueprint{margin-top:var(--px-s7);padding-top:var(--px-s5);border-top:1px solid var(--px-line-strong);max-width:var(--px-read)}.blueprint h2{margin-top:0;font-size:clamp(1.45rem,3.8vw,1.85rem);margin-bottom:var(--px-s3)}.blueprint,.bp-group{scroll-margin-top:var(--px-s4)}.bp-top{display:flex;flex-wrap:wrap;align-items:center;gap:var(--px-s2) var(--px-s4);margin:var(--px-s5) 0 0}.bp-top .bp-status{margin:0;flex:1 1 14rem}.bp-group{border:1px solid var(--px-line);border-radius:var(--px-radius);background:var(--px-surface);margin:var(--px-s4) 0;overflow:hidden}.bp-group>summary{display:flex;align-items:center;justify-content:space-between;gap:var(--px-s3);min-height:52px;padding:var(--px-s2) var(--px-s4);font-weight:700;color:var(--px-gold-light);font-size:1.05rem;cursor:pointer;list-style:none}.bp-group>summary::-webkit-details-marker{display:none}.bp-group>summary:after{content:"";flex:none;width:.6rem;height:.6rem;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin:0 .25rem .2rem .5rem;transition:transform .15s}.bp-group[open]>summary:after{transform:rotate(-135deg);margin-bottom:-.2rem}.bp-count{margin-left:auto;font-size:.85rem;font-weight:600;color:var(--px-muted);background:var(--px-deep);border:1px solid var(--px-line-soft);border-radius:999px;padding:0 .6rem;white-space:nowrap}.bp-count[data-filled=true]{color:var(--px-gold-light);border-color:var(--px-line-strong);background:var(--px-accent-soft)}.bp-body{padding:0 var(--px-s4) var(--px-s4);border-top:1px solid var(--px-line)}.bp-field{margin-top:var(--px-s4)}@media(min-width:720px){.bp-group>summary{cursor:default;pointer-events:none}.bp-group>summary:after{display:none}}.bp-danger{margin-top:var(--px-s6);padding:var(--px-s4);border:1px dashed #d98a8a;border-radius:var(--px-radius)}.bp-danger p{margin:0 0 var(--px-s3);font-size:.93rem;color:var(--px-muted)}.bp-field label{display:block;font-weight:700;color:var(--px-ink)}.bp-field .hint{margin:.1rem 0 .45rem;color:var(--px-muted);font-size:.93rem;line-height:1.5}.bp-field input,.bp-field textarea{display:block;width:100%;font:inherit;font-size:1rem;padding:.6rem .75rem;border:1px solid var(--px-line-strong);border-radius:var(--px-radius);background:var(--px-deep);color:var(--px-ink)}.bp-field input:focus-visible,.bp-field textarea:focus-visible{outline:3px solid var(--px-focus);outline-offset:2px}.bp-field textarea{min-height:6rem;resize:vertical}.bp-actions{background:var(--px-bg);border-top:1px solid var(--px-line);padding:var(--px-s3) 0;margin-top:var(--px-s4)}@media(min-width:720px){.bp-actions{position:sticky;bottom:0;z-index:5}}.bp-status{margin:0 0 var(--px-s2);font-size:.93rem;color:var(--px-muted)}.bp-status[data-kind=dirty],.bp-status[data-kind=copyfail]{color:var(--px-gold-light);font-weight:700}.bp-status[data-kind=copied]{color:#b9e3b0}.bp-buttons{display:flex;flex-wrap:wrap;gap:var(--px-s2)}.bp-print{display:none}@media print{.px-header,.px-footer,.px-skip,.no-print,.bp-screen{display:none!important}.bp-print{display:block!important}html,.px{background:#fff!important;color:#000!important;font-size:11pt;line-height:1.5}.px-main{padding:0}.px-wrap{max-width:none;padding:0}.blueprint{margin:0;padding:0;border:0;max-width:none}.bp-print h1{font-size:18pt;margin:0 0 .25rem;color:#000}.bp-print h2{font-size:13pt;margin:1.2rem 0 .3rem;border-bottom:1px solid #000;break-after:avoid;color:#000}.bp-print h3{font-size:11pt;margin:.7rem 0 .2rem;break-after:avoid;color:#000}.bp-print p,.bp-print-meta,.bp-print-note{margin:0 0 .4rem;font-size:10pt;color:#000}.bp-print-value{white-space:pre-wrap;border:1px solid #888;padding:.35rem .5rem;break-inside:avoid;color:#000}.bp-print-blank{min-height:3rem}}:root{--px-metal: linear-gradient(110deg, #edbf64 0%, #ffe1a0 24%, #fff5d5 46%, #f6d080 65%, #ffe9b4 84%, #e7b653 100%);--px-pill: linear-gradient(125deg, #102a43, #1c3f59 52%, #102a43);--px-pill-line: rgba(188, 149, 87, .45)}.px-eyebrow,.px-chip:not(.px-chip--pending),.px-pager small,.px-topics__tag{display:inline-block;max-width:100%;padding:.2rem .7rem;border:1px solid var(--px-pill-line);border-radius:999px;background:var(--px-pill);box-shadow:inset 0 1px #ffe7ad24,0 3px 12px #17344e14;color:#ffe09a;text-shadow:0 0 10px rgba(255,212,118,.25);font-weight:700;line-height:1.6}.px-eyebrow{width:fit-content;justify-self:start;margin:0 0 var(--px-s3);padding:.45rem .9rem;border-radius:7px;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;line-height:1.7}.px-eyebrow a{text-decoration:none}.px-chip:not(.px-chip--pending){font-size:.78rem;font-weight:700}.px-pager small{padding:.1rem .65rem;letter-spacing:.08em;font-size:.74rem;justify-self:start}.px-pager .px-next small{justify-self:end}@supports (background-clip: text) or (-webkit-background-clip: text){.px-eyebrow,.px-chip:not(.px-chip--pending),.px-pager small,.px-topics__tag,.px a.px-chip,.px-eyebrow a{background-image:var(--px-metal),var(--px-pill);background-clip:text,padding-box;-webkit-background-clip:text,padding-box;color:transparent;text-shadow:none;filter:drop-shadow(0 0 4px rgba(248,209,123,.22))}.px-eyebrow a{background:none;filter:none}}.px a.px-chip:hover{filter:brightness(1.15) drop-shadow(0 0 4px rgba(248,209,123,.3));text-decoration:none}.px-ref-panel dt{color:#e6bd6a}.px-main:has(>.px-article){padding-bottom:0}.px-article{--px-bg: #f2f4f7;--px-surface: #ffffff;--px-surface-2: #eef3f7;--px-ink: #122e48;--px-ink-2: #213447;--px-muted: #526477;--px-line: #dbe2e9;--px-line-soft: #dbe2e9;--px-line-strong: #c6d2dd;--px-accent-soft: rgba(177, 136, 67, .1);--px-gold: #9a7125;--px-gold-light: #1f5aa8;--px-focus: #215fb5;background:#f2f4f7;color:#213447;color-scheme:light;padding-top:var(--px-s7);padding-bottom:var(--px-s8);font-weight:500}.px-article h1,.px-article h2,.px-article h3,.px-article h4{font-family:var(--px-font);font-weight:650;color:#122e48;letter-spacing:-.005em}.px-article strong{color:#0f2840;font-weight:700}.px-article a{color:#1f5aa8;text-decoration-thickness:1px}.px-article a:hover{color:#0b3a78;text-decoration-thickness:2px}.px-article .px-btn,.px-article .px-btn:hover{color:var(--px-on-gold)}.px-article .px-btn--ghost{color:#1f5aa8;border-color:#9fb3c8;background:#fff}.px-article .px-btn--ghost:hover{color:#0b3a78;background:#eef3f7}.px-article a.px-chip,.px-article .px-pager small{text-decoration:none}.px-article .px-lead{color:#475b6d;line-height:1.85}.px-article .px-crumbs,.px-article .px-meta-row{color:#526477}.px-article .px-crumbs li+li:before{color:#9a7125}.px-article .px-scope{background:#fff;border-color:#dbe2e9;border-left-color:#b18843;color:#314a60}@media(max-width:999px){.px-article .px-toc{background:#fff}}.px-article .px-prose{font-size:1.0625rem;line-height:1.95;color:#213447;font-weight:500}@media(min-width:720px){.px-article .px-prose{font-size:1.125rem}}.px-article .px-prose p,.px-article .px-prose li{margin-bottom:1.05rem}.px-article .px-prose li{margin-bottom:.55rem}.px-article .px-prose h2{color:#122e48;margin-top:var(--px-s7)}.px-article .px-prose h3{color:#122e48}.px-article .px-prose li::marker{color:#9a7125}.px-article .px-prose blockquote{background:#b188431a;border-left-color:#b18843;color:#213447}.px-article .px-prose code{background:#e9eff5;color:#122e48}.px-article .px-prose th{background:#eef3f7;color:#122e48}.px-article .px-prose tbody tr:nth-child(2n) td{background:#122e4808}.px-article .px-prose table.stack-table tr{background:#fff}.px-article .px-prose table.stack-table th[scope=row]{background:#eef3f7}.px-article .px-prose table.stack-table td:before{color:#1f5aa8}.px-article .px-prose details{background:#fff}.px-article .px-prose p>img,.px-article .px-prose .px-zoomable img{border-color:#c6d2dd}.px-article .px-prose .px-zoomable:after{background:#123b5a;color:#ffe6a5}.px-article .px-prose .reveal-btn{background:#fff;color:#1f5aa8;border-color:#9fb3c8}.px-article .px-prose .reveal-btn:hover{background:#eef3f7;border-color:#1f5aa8}.px-article .notice{background:#fff;border-color:#dbe2e9;border-left-color:#b18843;color:#314a60}.px-article .px-block{border-top-color:#c6d2dd}.px-article .px-sources{color:#526477}.px-article .px-pager a{background:#fff;border-color:#dbe2e9;color:#122e48}.px-article .px-pager a:hover{background:#eef3f7;border-color:#b18843}.px-article .px-item{background:#fff;border-color:#dbe2e9}.px-article .px-item__title a{color:#122e48}.px-article .px-item__title a:hover{color:#1f5aa8}.px-article .px-invite{border-top-color:#c6d2dd}.px-article.px-story-page .px-prose h2{color:#122e48}.px-article .px-lesson{background:#fff}.px-article .px-lesson p{color:#122e48}.px-article .px-beat{color:#122e48;font-family:var(--px-font);font-weight:650;font-size:1.35rem}.px-article ::selection{background:#f3dfaa;color:#0f2840}.px-topics{margin:var(--px-s5) 0;padding:var(--px-s5);background:var(--px-surface);border:1px solid var(--px-line);border-radius:14px;box-shadow:0 6px 18px #122e480a}.px-topics__hint{margin:0 0 var(--px-s3);font-size:.93rem;line-height:1.7;color:var(--px-muted)}.px-topics__tabs{display:flex;flex-wrap:wrap;gap:.55rem;padding-bottom:var(--px-s4);margin-bottom:var(--px-s4);border-bottom:1px solid var(--px-line)}.px-topics__tab{min-height:44px;padding:.55rem .95rem;font:inherit;font-size:.92rem;font-weight:600;line-height:1.35;color:#314a60;background:#fff;border:1px solid #c6d2dd;border-radius:7px;cursor:pointer;text-align:left}.px-topics__tab:hover{border-color:#1f5aa8;color:#0b3a78}.px-topics__tab[aria-pressed=true]{color:#ffe6a5;text-shadow:0 0 9px rgba(248,209,123,.25);background:var(--px-pill);border-color:#bc955780;box-shadow:inset 0 1px #ffe7ad21}.px-topics__tag{font-size:.78rem;letter-spacing:.04em}.px-topics__head{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .9rem;margin-bottom:var(--px-s4)}.px-topics__title{margin:0;font-size:1.25rem;font-weight:650;line-height:1.4;color:var(--px-ink)}.px-topics__cols{display:grid;gap:0;grid-template-columns:repeat(var(--px-cols, 3),minmax(0,1fr))}.px-topics__cols[data-cols="2"]{--px-cols: 2}.px-topics__cols[data-cols="3"]{--px-cols: 3}.px-topics__cols[data-cols="4"]{--px-cols: 2}.px-topics__col{padding:0 var(--px-s5);border-left:1px solid var(--px-line);min-width:0}.px-topics__col:first-child{padding-left:0;border-left:0}.px-topics__cols[data-cols="4"] .px-topics__col:nth-child(odd){padding-left:0;border-left:0}.px-topics__cols[data-cols="4"] .px-topics__col:nth-child(n+3){margin-top:var(--px-s4);padding-top:var(--px-s4);border-top:1px solid var(--px-line)}.px-topics__colhead{margin:0 0 .6rem;font-size:1.02rem;font-weight:700;line-height:1.4;color:var(--px-ink)}.px-topics__body{font-size:1rem;line-height:1.9;color:var(--px-ink-2);overflow-wrap:anywhere}.px-topics__body>:last-child{margin-bottom:0}.px-prose .px-topics__all,.px-topics__all{margin:var(--px-s5) 0 0;padding:var(--px-s2) 0 0;border:0;border-top:1px solid var(--px-line);border-radius:0;background:none}.px-prose .px-topics__all[open]{padding-bottom:0}.px-topics__all>summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:.95rem;font-weight:600;color:var(--px-gold-light)}.px-topics__scroll{overflow-x:auto;margin-top:var(--px-s2)}.px-topics__scroll table{margin:0}@media(max-width:760px){.px-topics{padding:var(--px-s4) var(--px-s3)}.px-topics__tab{flex:1 1 calc(50% - .4rem);min-width:8.5rem}.px-topics__cols,.px-topics__cols[data-cols]{grid-template-columns:minmax(0,1fr)}.px-topics__col,.px-topics__col:first-child,.px-topics__cols[data-cols="4"] .px-topics__col:nth-child(odd){padding:0;border-left:0}.px-topics__col+.px-topics__col,.px-topics__cols[data-cols="4"] .px-topics__col:nth-child(n+3){margin-top:var(--px-s4);padding-top:var(--px-s4);border-top:1px solid var(--px-line)}.px-topics__body{font-size:1.0625rem;line-height:1.85}}@media print{.px-topics{border:0;padding:0;box-shadow:none}.px-topics__hint,.px-topics__tabs,.px-topics__panel{display:none!important}}.px-topics__quick{margin:0 0 var(--px-s4);padding-bottom:var(--px-s4);border-bottom:1px solid var(--px-line)}.px-topics__quick .px-topics__hint{margin-bottom:var(--px-s2);font-weight:600}.px-topics__quicktable{min-width:0;width:100%}@media print{.px-topics__quick{display:none}}.px-stages{container-type:inline-size;container-name:pxstages;margin:var(--px-s5) 0;padding:var(--px-s5);background:#fff;border:1px solid var(--px-line);border-radius:14px;box-shadow:0 6px 18px #122e480a}.px-stages__lead{margin:0 0 var(--px-s4);font-size:.97rem;line-height:1.75;color:var(--px-muted)}.px-stages__tabs{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:var(--px-s4)}.px-stages__tab{min-height:44px;padding:.55rem .95rem;font:inherit;font-size:.92rem;font-weight:600;line-height:1.35;color:#314a60;background:#fff;border:1px solid #c6d2dd;border-radius:7px;cursor:pointer;text-align:left}.px-stages__tab:hover{border-color:#1f5aa8;color:#0b3a78}.px-stages__tab[aria-pressed=true]{color:#ffe6a5;text-shadow:0 0 9px rgba(248,209,123,.25);background:var(--px-pill);border-color:#bc955780;box-shadow:inset 0 1px #ffe7ad21}.px-stages__title{margin:0 0 .3rem;font-size:1.15rem;font-weight:650;line-height:1.4;color:var(--px-ink)}.px-stages__sub{margin:0 0 var(--px-s3);font-size:.97rem;line-height:1.75;color:var(--px-ink-2)}.px-stages__stage+.px-stages__stage{margin-top:var(--px-s5);padding-top:var(--px-s5);border-top:1px solid var(--px-line)}.js .px-stages__stage{margin-top:0;padding-top:0;border-top:0}.js .px-stages__stage[hidden]{display:none}.px-stages__art{border:1px solid var(--px-line);border-radius:10px;overflow-x:auto;background:#fff}.px-stages__art svg{display:block;width:100%;height:auto}.px-stages__wide svg{min-width:760px}.px-stages__narrow{display:none}@media(max-width:760px){.px-stages{padding:var(--px-s4) var(--px-s3)}.px-stages__wide{display:none}.px-stages__narrow{display:block}.px-stages__tab{flex:1 1 100%}.px-stages__art{overflow:visible}}@container pxstages (max-width: 820px){.px-stages__wide{display:none}.px-stages__narrow{display:block}.px-stages__art{overflow:visible}}.px-stages__legend{margin:var(--px-s3) 0 0;font-size:.88rem;line-height:1.8;color:var(--px-muted)}.px-stages__sw{display:inline-block;width:.7rem;height:.9rem;vertical-align:-.12rem;border-radius:2px;margin-right:.2rem}.px-stages__sw--up{background:#0f8a63}.px-stages__sw--down{background:#d1405a}.px-stages__actions{margin-top:var(--px-s3);padding-top:var(--px-s3);border-top:1px solid var(--px-line)}.px-stages figcaption{margin-top:var(--px-s3);font-size:.93rem;line-height:1.7;color:var(--px-muted);font-style:italic}@media print{.px-stages__tabs,.px-stages__actions{display:none!important}.px-stages__stage[hidden]{display:block!important}}.px-hero__fig.px-pivot{margin:0;background:#fff;border-color:#dbe2e9;padding:var(--px-s5);box-shadow:0 24px 55px -28px #000000b3;color:#213447}.px-pivot__kicker{margin:0 0 var(--px-s2);font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#79551c}.px-pivot .px-pivot__title{margin:0 0 .4rem;font-family:var(--px-font);font-size:clamp(1.25rem,2.6vw,1.55rem);font-weight:650;line-height:1.35;color:#122e48;letter-spacing:-.005em}.px-pivot__sub{margin:0 0 var(--px-s3);font-size:.95rem;line-height:1.7;color:#526477}.px-pivot__chart svg{display:block;width:100%;height:auto}.px-pivot__status{list-style:none;margin:var(--px-s3) 0 0;padding:var(--px-s3) 0 0;border-top:1px solid #e1e7ed;display:grid;gap:var(--px-s2) var(--px-s5);grid-template-columns:1fr 1fr}.px-pivot__item strong{display:block;font-size:.97rem;color:#314a60}.px-pivot__item--ok strong{color:#79551c}.px-pivot__item p{margin:.2rem 0 0;font-size:.9rem;line-height:1.7;color:#526477}.px-hero__fig.px-pivot figcaption{padding:var(--px-s3) 0 0;margin-top:var(--px-s3);border-top:1px solid #e1e7ed;font-size:.85rem;line-height:1.7;color:#526477}@media(max-width:640px){.px-hero__fig.px-pivot{padding:var(--px-s4) var(--px-s3)}.px-pivot__status{grid-template-columns:1fr}}.px-header{background:radial-gradient(ellipse at 95% 10%,rgba(41,73,92,.45),transparent 55%),linear-gradient(110deg,#061625,#0b2233);border-bottom:0;overflow:hidden;isolation:isolate;box-shadow:0 9px 24px #0c26392e}.px-header:after{content:"";position:absolute;left:6%;right:6%;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(209,175,109,.5) 35%,rgba(241,219,162,.5) 60%,transparent);pointer-events:none}.px-header:before,.px-header .px-wrap:before{content:"";position:absolute;z-index:-1;top:-70px;right:18%;width:34px;height:260px;background:linear-gradient(90deg,#b4975d0f,#d7c19780,#e9d4aa40);opacity:.16;transform:rotate(32deg);pointer-events:none}.px-header .px-wrap:before{right:auto;left:calc(82% - 24px);transform:rotate(-32deg);width:46px}.px-header .px-wrap{position:relative}@media(max-width:959px){.px-header:before,.px-header .px-wrap:before{right:6%;opacity:.12}.px-header .px-wrap:before{left:auto;right:14%}}@media(prefers-contrast:more){.px-header:before,.px-header .px-wrap:before{display:none}}@keyframes px-candle-in{0%{opacity:0;translate:0 9px}to{opacity:1;translate:0 0}}@keyframes px-body-in{0%{scale:1 .15}to{scale:1 1}}@keyframes px-point-in{0%{opacity:0;scale:.6}to{opacity:1;scale:1}}@keyframes px-note-in{0%{opacity:0;translate:4px 0}to{opacity:1;translate:0 0}}@keyframes px-path-draw{0%{stroke-dashoffset:1}to{stroke-dashoffset:0}}@keyframes px-scene{0%{opacity:.35;transform:translateY(7px)}to{opacity:1;transform:none}}.px-motion [data-px-reveal]{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.65,.3,1),transform .9s cubic-bezier(.2,.65,.3,1);transition-delay:calc(var(--px-i, 0) * 90ms)}.px-motion [data-px-reveal=soft]{transform:none;transition:opacity .9s ease}.px-motion [data-px-reveal].is-in{opacity:1;transform:none}.px-motion .px-prose p>img:not(.is-in),.px-motion .px-prose .px-zoomable:not(.is-in){opacity:0}.px-motion .px-prose p>img,.px-motion .px-prose .px-zoomable{transition:opacity .9s ease}.px-motion .px-prose p>img.is-in,.px-motion .px-prose .px-zoomable.is-in{opacity:1}.px-motion [data-px-seq]:not(.is-in) :is(.px-seq-candle,.px-seq-point,.px-seq-note,.px-seq-path){opacity:0}.px-motion :is([data-px-seq].is-in,.px-step-in) .px-seq-candle{animation:px-candle-in .6s cubic-bezier(.22,.75,.2,1) both;animation-delay:calc(var(--o, 0) * var(--px-seq-step, 60ms) + .12s)}.px-motion :is([data-px-seq].is-in,.px-step-in) .px-seq-candle .px-seq-body{animation:px-body-in .6s cubic-bezier(.22,.75,.2,1) both;animation-delay:calc(var(--o, 0) * var(--px-seq-step, 60ms) + .14s);transform-box:fill-box;transform-origin:center bottom}.px-motion :is([data-px-seq].is-in,.px-step-in) .px-seq-point{animation:px-point-in .55s ease both;animation-delay:var(--d, 0ms);transform-box:fill-box;transform-origin:center}.px-motion :is([data-px-seq].is-in,.px-step-in) .px-seq-note{animation:px-note-in .5s ease both;animation-delay:var(--d, 0ms)}.px-motion :is([data-px-seq].is-in,.px-step-in) .px-seq-path{stroke-dasharray:1;animation:px-path-draw .9s ease both;animation-delay:var(--d, 0ms)}.px-motion .px-step-in :is(.px-seq-point,.px-seq-note,.px-seq-path){animation-delay:calc(var(--d, 0ms) * .3)}.px-motion .px-step-in .px-seq-candle,.px-motion .px-step-in .px-seq-candle .px-seq-body{animation:none;opacity:1;scale:none;translate:none}.px-motion .px-step-in svg{animation:px-scene .48s cubic-bezier(.22,.75,.2,1) both;transform-origin:50% 55%}.px-motion .px-step-in :is(.px-stages__title,.px-stages__sub,.px-topics__panel){animation:px-scene .45s ease both}.px-motion-toggle{display:inline-flex;align-items:center;min-height:44px;margin-top:var(--px-s3);padding:0 var(--px-s4);font:inherit;font-size:.88rem;font-weight:600;color:var(--px-muted);background:transparent;border:1px solid var(--px-line-soft);border-radius:999px;cursor:pointer}.px-motion-toggle:hover{color:var(--px-ink);border-color:var(--px-gold)}@media(prefers-reduced-motion:reduce){:root:not(.px-motion-user) .px-motion [data-px-reveal],:root:not(.px-motion-user) .px-motion .px-prose p>img,:root:not(.px-motion-user) .px-motion .px-prose .px-zoomable{opacity:1!important;transform:none!important;transition:none!important}:root:not(.px-motion-user) .px-motion [data-px-seq] :is(.px-seq-candle,.px-seq-point,.px-seq-note,.px-seq-path,.px-seq-body),:root:not(.px-motion-user) .px-motion .px-step-in *{opacity:1!important;animation:none!important}}.px-no-trans *{transition:none!important}@media print{.px-motion [data-px-reveal],.px-motion .px-prose p>img,.px-motion .px-prose .px-zoomable,.px-motion [data-px-seq] :is(.px-seq-candle,.px-seq-point,.px-seq-note,.px-seq-path){opacity:1!important;transform:none!important;animation:none!important}.px-motion-toggle{display:none}}