/* All article styling is scoped so the editor fragment can live in a store. */
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.ptg .keyline{background:#f5f3e9;padding:25px 29px;border-radius:18px;margin:33px 0 0;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}.ptg .keyline .key-symbol{height:29px;width:29px;border:1px solid #b5bd94;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#899251;font-size:15px;margin-top:4px}.ptg .keyline p{margin:0;font-size:16px;color:#606448}
.ptg .status-panel{background:#f2f6ef;border-radius:24px;padding:29px;margin:32px 0 27px;display:grid;grid-template-columns:1.1fr 1fr;gap:25px;align-items:center}.ptg .status-options{display:flex;flex-direction:column;gap:9px}.ptg .status-options button{text-align:left;border:0;border-radius:13px;background:transparent;color:#74816e;padding:12px 15px;min-height:48px;font-size:14px;display:flex;align-items:center;gap:11px;transition:background .25s,color .25s}.ptg .status-options button[aria-pressed="true"]{background:#fff;color:#2f4e32;box-shadow:0 4px 12px #36522806}.ptg .status-options button i{height:7px;width:7px;border-radius:50%;background:#b2bfa1;flex:none}.ptg .status-options button[data-status="blocked"] i{background:#d7a080}.ptg .printer-screen{border-radius:20px;background:#e2e9db;min-height:214px;padding:30px 22px;position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;overflow:hidden}.ptg .printer-screen svg{height:65px;width:81px;overflow:visible;margin-bottom:16px}.ptg .printer-sheet{animation:ptg-print 2.7s ease-in-out infinite;transform-origin:center}.ptg .status-title{font-size:15px;font-weight:600;line-height:1.35;margin:0 0 7px}.ptg .status-description{font-size:12px;line-height:1.6;color:#6c7d61;max-width:230px;margin:0}.ptg .printer-screen.is-blocked{background:#f0e4d8}.ptg .printer-screen.is-blocked .printer-sheet{animation-play-state:paused}.ptg .printer-screen.is-blocked .status-description{color:#967960}.ptg .history-note{margin-top:28px}.ptg details{border-top:1px solid var(--line);padding:17px 0}.ptg details summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:15px;line-height:1.45;color:#57714e;gap:15px}.ptg details summary::-webkit-details-marker{display:none}.ptg details summary:after{content:"+";font-size:22px;font-weight:400;color:#849578}.ptg details[open] summary:after{content:"−"}.ptg details>div{padding:17px 0 3px;font-size:15px;line-height:1.75;color:var(--muted)}.ptg details>div p:last-child{margin-bottom:0}
.ptg .update-section{background:linear-gradient(150deg,#f9f5ed,#fcfaf5)}.ptg .firmware-flow{display:flex;align-items:center;gap:12px;margin:31px 0;padding:22px 26px;background:#f0eadc;border-radius:17px;font-size:13px}.ptg .firmware-flow .before,.ptg .firmware-flow .after{flex:1;text-align:center}.ptg .firmware-flow .before{color:#61744b}.ptg .firmware-flow .after{color:#9c7351}.ptg .firmware-flow .wave{display:flex;align-items:center;justify-content:center;width:70px;flex:none;overflow:hidden;position:relative;color:#b9aa8d}.ptg .firmware-flow .wave i{height:1px;width:100%;background:#d0c3a8;position:absolute}.ptg .firmware-flow .wave b{height:5px;width:5px;background:#a2936c;border-radius:50%;position:relative;animation:ptg-transfer 2s infinite linear}.ptg .settings-list{list-style:none;padding:0;margin:26px 0 0;counter-reset:settings}.ptg .settings-list li{counter-increment:settings;display:grid;grid-template-columns:27px 1fr;gap:15px;padding:15px 0;border-top:1px solid #e4ddcf;font-size:16px;line-height:1.65}.ptg .settings-list li:before{content:counter(settings);font-variant-numeric:tabular-nums;color:#9a987d;font-size:13px;margin-top:3px}.ptg .settings-list strong{font-weight:600;display:block;color:#556246;font-size:15px;margin-bottom:2px}.ptg .soft-note{font-size:13px!important;color:#8b8675;margin-top:22px!important}
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.ptg .hero h1{font-size:clamp(39px,5.2vw,62px);line-height:1.06}.ptg .hero h1 .title-tail{display:block;font-size:.78em;line-height:1.18;margin-top:8px;letter-spacing:-.04em}
@keyframes ptg-electric{from{stroke-dashoffset:215}to{stroke-dashoffset:0}}
@keyframes ptg-core{0%,100%{opacity:.3}50%{opacity:.85}}
@keyframes ptg-float{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-8px) rotate(1deg)}}
@keyframes ptg-pip{0%,100%{opacity:.4}50%{opacity:1}}
@keyframes ptg-print{0%,100%{transform:translateY(-3px)}45%,70%{transform:translateY(4px)}}
@keyframes ptg-transfer{from{transform:translateX(-40px);opacity:0}30%,70%{opacity:1}to{transform:translateX(40px);opacity:0}}
@media(max-width:820px){.ptg .hero{padding:44px 34px;gap:0;grid-template-columns:1fr 1fr;min-height:440px}.ptg .hero-visual{min-height:330px}.ptg .chapter{padding:52px 34px}.ptg .coverage-tool{gap:24px}.ptg .document-stage{padding-left:23px;padding-right:23px}.ptg .coin-explainer{grid-template-columns:1fr}.ptg .coin-display{order:-1}.ptg .yield-value strong{font-size:50px}.ptg .choice{padding:25px}}
@media(max-width:600px){.ptg{font-size:16px;line-height:1.75}.ptg .hero{grid-template-columns:1fr;border-radius:0;padding:35px 25px 20px;min-height:0}.ptg h1{font-size:47px}.ptg .hero .eyebrow{margin-bottom:16px;font-size:10px}.ptg .hero .intro{font-size:17px;line-height:1.7;margin:22px 0 20px;max-width:100%}.ptg .hero-link{font-size:13px}.ptg .hero-visual{min-height:290px;max-width:350px;width:100%;margin:-3px auto 0;transform:translateX(0)}.ptg .chip-drawing{max-height:290px}.ptg .figure-label{bottom:7px;font-size:10px}.ptg .chapter-nav{justify-content:flex-start;padding:11px 16px;gap:3px}.ptg .chapter-nav a{padding:9px 10px;font-size:11px}.ptg .chapter{padding:41px 24px;scroll-margin-top:75px}.ptg h2{font-size:31px;line-height:1.19;margin-bottom:20px}.ptg h3{font-size:22px}.ptg .lead-phrase{font-size:21px;line-height:1.55}.ptg .section-intro{margin-bottom:25px}.ptg .section-intro p{font-size:16px}.ptg .two-way{gap:12px;margin-top:24px;grid-template-columns:1fr}.ptg .choice{padding:24px}.ptg .choice h3{font-size:26px;margin-bottom:12px}.ptg .choice .mini-label{font-size:10px;margin-bottom:14px}.ptg .choice p{font-size:15px;max-width:none;padding-right:10px}.ptg .choice-icon{height:35px;width:35px;top:24px}.ptg .plain-aside{font-size:14px;line-height:1.75;margin-top:22px;padding-left:16px}.ptg .coverage-tool{grid-template-columns:1fr;gap:28px;margin-top:26px}.ptg .document-stage{padding:31px 31px 17px;border-radius:22px;max-width:100%}.ptg .paper{max-width:228px}.ptg .paper-caption{font-size:11px;line-height:1.6;max-width:230px;margin:21px auto 6px}.ptg .area-toggle{font-size:12px;min-height:37px}.ptg .tool-copy{padding:0 1px}.ptg .tool-copy h3{font-size:25px}.ptg .tool-copy>p{font-size:15px;margin-bottom:19px}.ptg .density-options{gap:7px;margin-bottom:23px}.ptg .density-options button{font-size:13px;padding:12px 5px;min-height:44px}.ptg .yield-value strong{font-size:58px}.ptg .yield-detail{min-height:0}.ptg .coin-explainer{grid-template-columns:1fr auto;gap:15px;padding-top:9px}.ptg .coin-display{order:0;height:72px;width:108px}.ptg .coin-display .whole{width:72px;height:72px}.ptg .coin-display .half{width:36px;height:72px}.ptg .coin-display .half img{width:72px;height:72px}.ptg .coin-explainer p{font-size:13px}.ptg .coin-math{font-size:11px}.ptg .source-note{font-size:12px}.ptg .keyline{padding:21px 20px;gap:13px;border-radius:17px;margin-top:26px;grid-template-columns:21px 1fr}.ptg .keyline .key-symbol{height:21px;width:21px;font-size:12px;margin-top:4px}.ptg .keyline p{font-size:15px}.ptg .status-panel{grid-template-columns:1fr;gap:19px;padding:19px;border-radius:21px;margin:25px 0}.ptg .status-options{gap:6px}.ptg .status-options button{font-size:13px;padding:11px 13px;min-height:44px}.ptg .printer-screen{min-height:190px;padding:24px}.ptg .history-note{margin-top:18px}.ptg details summary{font-size:14px}.ptg details>div{font-size:14px}.ptg .firmware-flow{font-size:11px;padding:20px 15px;gap:10px;margin:24px 0}.ptg .firmware-flow .wave{width:40px}.ptg .settings-list li{font-size:15px;gap:12px;grid-template-columns:20px 1fr;padding:15px 0}.ptg .settings-list strong{font-size:14px}.ptg .soft-note{font-size:12px!important}.ptg .closing{padding:27px 24px;gap:15px;margin-top:28px;border-radius:21px;align-items:flex-start}.ptg .closing-icon{height:36px;width:36px;margin-top:3px}.ptg .closing h3{font-size:23px;line-height:1.25}.ptg .closing p{font-size:14px;margin-top:12px}.ptg .eyebrow{font-size:10px;margin-bottom:14px}}
@media(max-width:600px){.ptg .hero h1{font-size:38px}.ptg .hero h1 .title-tail{font-size:.8em;margin-top:9px}}
@media(prefers-reduced-motion:reduce){.ptg *{animation:none!important;scroll-behavior:auto!important;transition:none!important}.ptg.js-ready .reveal{opacity:1;transform:none}}
@media print{.ptg .chapter-nav,.ptg .js-only,.ptg .area-toggle{display:none!important}.ptg .chapter{padding:25px 0}.ptg .hero{padding:25px 0;background:none}.ptg .hero-visual{max-height:280px}.ptg .reveal{opacity:1!important;transform:none!important}.ptg details>div{display:block!important}.ptg .paper{transform:none}.ptg .coverage-tool{break-inside:avoid}.ptg .source-note{display:block}}