:root{--ink:#2a2e35;--accent:#1b5a8a;--paper:#fff;--muted:#5f6670;--rule:#e3e5e8;--f-text:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--f-head:Literata,Georgia,"Times New Roman",Times,serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body.np{margin:0;background:var(--paper);color:#1d1f23;font:17px/1.6 var(--f-text)}a,.xl{color:var(--ink)}a:hover,.xl:hover{color:var(--accent)}h1,h2,h3{font-family:var(--f-head);color:var(--ink);line-height:1.25}img{max-width:100%;height:auto}.masthead{border-top:4px solid var(--ink);border-bottom:1px solid var(--rule);background:var(--paper)}.masthead__row{max-width:1180px;margin:0 auto;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px 28px;flex-wrap:wrap}.masthead__brand{font:700 30px/1.1 var(--f-head);text-decoration:none;color:var(--ink);letter-spacing:-.02em}.masthead__brand:hover{color:var(--ink)}.rubrics-nav{display:flex;gap:4px 22px;flex-wrap:wrap}.rubrics-nav__link{padding:6px 0;font-size:15px;font-weight:600;text-decoration:none;color:var(--ink);border-bottom:2px solid transparent}.rubrics-nav__link:hover{color:var(--accent)}.rubrics-nav__link.is-on{color:var(--accent);border-bottom-color:var(--accent)}.np-wrap{max-width:1180px;margin:0 auto;padding:20px 16px 40px}.np-grid{display:grid;grid-template-columns:minmax(0,1fr)300px;gap:40px}.np-page{max-width:760px}.crumbline{font-size:13px;color:var(--muted);margin-bottom:14px}.crumbline a,.crumbline .xl{color:var(--muted)}.crumbline__sep{margin:0 6px}.rubr{display:inline-block;color:var(--accent);font-size:13px;font-weight:700;text-transform:uppercase;text-decoration:none;letter-spacing:.4px}.rubr:hover{color:var(--accent);text-decoration:underline}.rubr--sm{font-size:12px}.lenta__h{font-size:30px;margin:0 0 18px;padding-bottom:10px;border-bottom:2px solid var(--ink)}.lenta__lead{padding:0 0 22px;border-bottom:1px solid var(--rule);margin-bottom:10px}.lenta__lead-t{font-size:30px;margin:10px 0}.lenta__lead-t a,.lenta__lead-t .xl{text-decoration:none}.lenta__lead time{color:var(--muted);font-size:14px}.lenta__list{list-style:none;margin:0;padding:0}.lenta__item{padding:16px 0;border-bottom:1px solid var(--rule)}.lenta__date{color:var(--muted);font-size:13px}.rubr+.lenta__date{margin-left:8px}.lenta__date:first-child{display:block}.lenta__title{display:block;font:700 21px/1.3 var(--f-head);text-decoration:none;margin:6px 0 4px}.lenta__sum{margin:0;color:#3d4148;font-size:16px}.lenta__intro{color:#3d4148}.story{max-width:760px}.story__title{font-size:36px;margin:12px 0 10px}.story__lead{font-size:20px;color:#3d4148;margin:0 0 12px}.byline{font-size:14px;color:var(--muted);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:8px 0;margin:0 0 20px}.byline__dot{margin:0 6px}.story__toc{border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);padding:12px 0;margin:0 0 24px;font-size:15px}.story__toc-h{font-weight:700;margin:0 0 6px}.story__toc ul{margin:0;padding-left:18px}.story__body h2{font-size:26px;margin:32px 0 12px}.story__body h3{font-size:21px;margin:24px 0 10px}.story__body table{border-collapse:collapse;width:100%;margin:18px 0;font-size:15px;display:block;overflow-x:auto}.story__body th,.story__body td{border:1px solid var(--rule);padding:8px 10px;text-align:left}.story__body th{background:#f6f7f9}.story__body blockquote{margin:18px 0;padding:2px 0 2px 16px;border-left:2px solid var(--ink);color:#3d4148;font-style:italic}.story__sources,.story__more{margin-top:32px;padding-top:12px;border-top:2px solid var(--ink)}.story__sources h2,.story__more h2{font-size:20px;margin:0 0 10px}.story__sources ol{font-size:15px;padding-left:20px;word-break:break-word}.story__more ul{padding-left:18px}.story__more li{margin:6px 0}.np-brief{margin:22px 0 26px;padding:10px 0 12px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.np-brief__h{margin:0 0 6px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.np-brief ul,.np-brief ol{margin:0;padding-left:20px}.np-brief li{margin:4px 0}.np-brief>p:last-child{margin-bottom:0}.np-note{margin:22px 0;padding:1px 0 1px 16px;border-left:2px solid var(--ink)}.np-note>:first-child{margin-top:0}.np-note>:last-child{margin-bottom:0}.np-note__h{color:var(--ink)}.np-example{margin:26px 0;padding:10px 0 12px;border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);font-variant-numeric:tabular-nums lining-nums}.np-example__h{margin:0 0 8px;font:700 18px/1.3 var(--f-head);color:var(--ink)}.np-example__body{font-size:16px}.np-example__body>:first-child{margin-top:0}.np-example__body>:last-child{margin-bottom:0}.np-example__body ol,.np-example__body ul{padding-left:22px}.np-example__body li{margin:4px 0}.np-example code{font:inherit;font-variant-numeric:tabular-nums lining-nums;white-space:nowrap}.np-example__total{position:relative;margin-top:10px!important;padding-top:7px;font-weight:700;color:var(--ink)}.np-example__total::before{content:"";position:absolute;top:0;left:-22px;right:0;border-top:3px double var(--ink)}.np-table{margin:26px 0}.np-table__cap{margin:0 0 8px;font:700 17px/1.3 var(--f-head);color:var(--ink)}.np-table__scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.story__body .np-table table{display:table;margin:0;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);font-variant-numeric:tabular-nums lining-nums}.story__body .np-table th,.story__body .np-table td{border:0;border-bottom:1px solid var(--rule);padding:8px 12px 8px 0;vertical-align:top}.story__body .np-table th{background:0 0;border-bottom:1px solid var(--ink);font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.story__body .np-table tr:last-child td{border-bottom:0}.np-table__src{margin:6px 0 0;font-size:13px;font-style:italic;color:var(--muted)}.np-table__src a,.np-table__src .xl{color:var(--muted)}.np-fig{margin:28px 0;padding-top:10px;border-top:1px solid var(--ink)}.np-fig img{display:block;width:100%;height:auto;border:1px solid var(--rule);filter:grayscale(1)}.np-fig__cap{margin:8px 0 0;padding-bottom:8px;border-bottom:1px solid var(--rule);font-size:14px;line-height:1.45;color:#3d4148}.np-fig__cap b{color:var(--ink);font-weight:700}.np-fig__src{display:block;margin-top:2px;font-size:13px;font-style:italic;color:var(--muted)}.np-fig__src a,.np-fig__src .xl{color:var(--muted)}.np-chart{margin:28px 0;padding-top:10px;border-top:2px solid var(--ink)}.np-chart__cap{margin:0;font:700 19px/1.3 var(--f-head);color:var(--ink)}.np-chart__sub{margin:2px 0 10px;font-size:14px;color:var(--muted)}.np-chart__scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-bottom:1px solid var(--rule)}.np-chart__svg{display:block;width:100%;min-width:560px;height:auto;font-family:var(--f-text);font-variant-numeric:tabular-nums lining-nums}.np-chart__legend{margin:8px 0 0;font-size:14px;color:#3d4148;line-height:1.7}.np-key{display:inline-block;width:22px;height:0;margin:0 6px 0 0;vertical-align:middle;border-top:3px solid var(--ink)}.np-key+.np-key,.np-chart__legend .np-key:not(:first-child){margin-left:14px}.np-key--a{border-top-color:var(--accent)}.np-key--b{border-top:2px dashed var(--ink)}.np-key--ban,.np-key--ok{width:14px;height:12px;border:1px solid var(--ink);vertical-align:-1px}.np-key--ban{background:repeating-linear-gradient(135deg,var(--ink) 0 1.5px,transparent 1.5px 5px)}.np-key--ok{background:var(--paper)}.g-grid{stroke:var(--rule);stroke-width:1}.g-axis,.g-tick{stroke:var(--ink);stroke-width:1}.g-tick{stroke-dasharray:2 3}.g-ylab{font-size:13px;fill:var(--muted);text-anchor:end}.g-ylab--we{fill:var(--accent);font-weight:700}.g-xlab{font-size:13px;fill:var(--muted);text-anchor:middle}.g-xlab--end{text-anchor:end;font-style:italic}.g-line{fill:none;stroke:var(--ink);stroke-width:3;stroke-linejoin:round}.g-line--a{stroke:var(--accent)}.g-line--b{stroke-width:2;stroke-dasharray:6 5}.g-dot{fill:var(--paper);stroke:var(--ink);stroke-width:2}.g-drop{stroke:var(--ink);stroke-width:1;stroke-dasharray:2 3}.g-note{font-size:14px;fill:#3d4148}.g-note--acc{fill:var(--accent);font-weight:700}.g-ban{fill:url(#np-hatch);stroke:var(--ink);stroke-width:1}.g-ok{fill:var(--paper);stroke:var(--ink);stroke-width:1}.g-page{fill:var(--paper);stroke:var(--ink);stroke-width:1.5}.g-txt{stroke:#b9bdc4;stroke-width:3;stroke-linecap:round}.g-txt--b{stroke:#7d828a;stroke-width:4}.g-cell{stroke:var(--rule);stroke-width:1}.g-frame{fill:var(--paper);stroke:var(--accent);stroke-width:2.5}.g-fs{font-size:10px;fill:var(--ink);text-anchor:middle;text-transform:uppercase;letter-spacing:.04em}.g-fb{font-size:13px;fill:var(--ink);text-anchor:middle;font-weight:700}.g-lead{fill:none;stroke:var(--accent);stroke-width:1}.np-faq{margin:32px 0;padding-top:12px;border-top:2px solid var(--ink)}.np-faq__h{margin:0 0 4px;font:700 22px/1.25 var(--f-head);color:var(--ink)}.np-faq__q{border-bottom:1px solid var(--rule)}.np-faq__q summary{position:relative;padding:12px 28px 12px 0;cursor:pointer;list-style:none;font:700 18px/1.35 var(--f-head);color:var(--ink)}.np-faq__q summary::-webkit-details-marker{display:none}.np-faq__q summary::after{content:"+";position:absolute;right:2px;top:10px;font:22px/1 var(--f-text);color:var(--muted)}.np-faq__q[open] summary::after{content:"−"}.np-faq__q summary:hover{color:var(--accent)}.np-faq__a{padding:0 0 12px}.np-faq__a>:first-child{margin-top:0}.np-faq__a>:last-child{margin-bottom:0}.np-steps{margin:26px 0}.np-steps__h{margin:0 0 6px;font:700 20px/1.3 var(--f-head);color:var(--ink)}.np-steps ol{list-style:none;counter-reset:np-st;margin:0;padding:0}.np-steps li{counter-increment:np-st;position:relative;margin:0;padding:12px 0 12px 52px;border-top:1px solid var(--rule)}.np-steps li:first-child{border-top:0}.np-steps li::before{content:counter(np-st);position:absolute;left:0;top:6px;width:40px;text-align:right;font:700 34px/1 var(--f-head);color:var(--accent);font-variant-numeric:lining-nums}.np-steps li p{margin:0}.np-side{font-size:15px}.aside-box{border-top:3px solid var(--ink);padding:10px 0 18px}.aside-box__h{font-size:15px;text-transform:uppercase;letter-spacing:.5px;margin:0 0 10px}.aside-box__list{list-style:none;margin:0;padding:0}.aside-box__list li{padding:6px 0;border-bottom:1px dotted var(--rule)}.aside-box__list small{color:var(--muted)}.aside-box--about p{margin:0 0 8px;color:#3d4148}.np-promo{margin:20px 0;min-height:90px}.colophon{background:var(--ink);color:#e9ebee;margin-top:30px}.colophon__inner{max-width:1180px;margin:0 auto;padding:26px 16px}.colophon a,.colophon .xl{color:#fff}.colophon__grid{display:grid;grid-template-columns:1.4fr 1fr 1.3fr 1fr;gap:24px 36px}.colophon__brand{font:700 22px/1.2 var(--f-head);margin:0 0 8px;color:#fff}.colophon__text{margin:0;font-size:14px;line-height:1.55;color:#c9ccd1;max-width:32em}.colophon__col{display:flex;flex-direction:column;gap:7px;font-size:14px}.colophon__col a,.colophon__col .xl{text-decoration:none;color:#e9ebee}.colophon__col a:hover,.colophon__col .xl:hover{text-decoration:underline;color:#fff}.colophon__h{margin:0 0 4px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#9aa0a8}.colophon__copy{font-size:13px;margin:26px 0 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);color:#9aa0a8}@media(max-width:860px){.colophon__grid{grid-template-columns:1fr 1fr}.colophon__about{grid-column:1/-1}}@media(max-width:480px){.colophon__grid{grid-template-columns:1fr}}@media(max-width:900px){.np-grid{grid-template-columns:1fr;gap:10px}.story__title{font-size:28px}.lenta__lead-t{font-size:24px}.masthead__brand{font-size:28px}body.np{font-size:16px}.np-example code{white-space:normal}.np-steps li{padding-left:42px}.np-steps li::before{width:32px;font-size:28px}.np-faq__q summary{font-size:17px}}body.np{min-height:100vh;display:flex;flex-direction:column}body.np>.np-wrap{flex:1 0 auto;width:100%}.np-calc{margin:32px 0;padding:12px 0 10px;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);font-variant-numeric:tabular-nums lining-nums}.np-calc [hidden]{display:none!important}.np-calc__h{margin:0 0 14px;font:700 22px/1.25 var(--f-head);color:var(--ink)}.np-calc__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 24px}.np-calc__f span,.np-calc__when legend{display:block;margin:0 0 2px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.np-calc__f input{display:block;width:100%;min-width:0;margin:0;padding:4px 0 5px;border:0;border-bottom:1px solid var(--ink);border-radius:0;background:0 0;color:var(--ink);font:20px/1.3 var(--f-text);font-variant-numeric:tabular-nums lining-nums;-moz-appearance:textfield;appearance:textfield}.np-calc__f input::-webkit-inner-spin-button,.np-calc__f input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.np-calc__f input:focus{outline:0;border-bottom:2px solid var(--accent);padding-bottom:4px}.np-calc__f input:invalid{border-bottom-color:var(--accent)}.np-calc__when{margin:18px 0 0;padding:0;border:0;min-width:0}.np-calc__when label{display:inline-flex;align-items:center;gap:6px;margin:4px 22px 0 0;font-size:16px;cursor:pointer}.np-calc__when input{margin:0;accent-color:var(--accent)}.np-calc__warn{margin:16px 0 0;padding:1px 0 1px 14px;border-left:2px solid var(--accent);color:var(--accent);font-size:15px}.np-calc__out{margin:20px 0 0;border-top:1px solid var(--ink)}.np-calc__out div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:7px 0;border-bottom:1px solid var(--rule)}.np-calc__out dt{color:#3d4148}.np-calc__out dd{margin:0;text-align:right;white-space:nowrap}.np-calc__out .np-calc__sum{font-weight:700;border-bottom:0}.np-calc__out .np-calc__sum dt{color:var(--ink)}.np-calc__out .np-calc__total{border-top:3px double var(--ink);border-bottom:0;padding:10px 0 4px}.np-calc__out .np-calc__total dt{font:700 18px/1.3 var(--f-head);color:var(--ink)}.np-calc__out .np-calc__total dd{font:700 34px/1.1 var(--f-head);color:var(--accent);font-variant-numeric:tabular-nums lining-nums}.np-calc__out .np-calc__pct{border-bottom:0;padding-top:0;font-size:15px;color:var(--muted)}.np-calc__out .np-calc__pct dt{color:var(--muted)}.np-calc__cap{margin:6px 0 0;font-size:15px;color:#3d4148}.np-calc.is-capped .np-calc__cap{padding-left:14px;border-left:2px solid var(--ink);color:var(--ink)}.np-calc__nojs{margin:0 0 10px;font-size:15px;color:#3d4148}.np-calc__ex{margin:16px 0 0}.np-calc__ex summary{padding:6px 0;cursor:pointer;font:700 16px/1.35 var(--f-head);color:var(--ink)}.np-calc__ex summary:hover{color:var(--accent)}.story__body .np-calc table{display:table;width:100%;margin:6px 0 0;font-size:15px;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink)}.story__body .np-calc th,.story__body .np-calc td{border:0;border-bottom:1px solid var(--rule);padding:8px 12px 8px 0;vertical-align:top;background:0 0}.story__body .np-calc th{border-bottom:1px solid var(--ink);font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.story__body .np-calc tr:last-child td{border-bottom:0}.story__body .np-calc td+td,.story__body .np-calc th+th{text-align:right;white-space:nowrap;padding-right:0;padding-left:8px}.np-calc td small{display:block;font-size:12px;color:var(--muted);white-space:normal}.np-calc__ex-t{font-weight:700;color:var(--ink)}.np-calc__src{margin:12px 0 0;font-size:13px;font-style:italic;color:var(--muted)}.np-calc__src a,.np-calc__src .xl{color:var(--muted)}@media(max-width:600px){.np-calc__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}.np-calc__f input{font-size:18px}.np-calc__out .np-calc__total dd{font-size:28px}.story__body .np-calc table{font-size:14px}}.xl{text-decoration:underline;cursor:pointer}.xl:focus-visible{outline:2px solid currentColor;outline-offset:2px}