/* SolarCan Studio: neutral surfaces, full-canvas imagery and restrained motion. */
:root{color-scheme:light;--ink:#1d1d1f;--muted:#67676c;--paper:#fff;--soft:#f5f5f7;--line:#dedee1;--dark:#161617;--max:1200px;--header:66px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button{color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #668bbb;outline-offset:5px}h1,h2,h3,h4,p,figure,dl,dd{margin:0}h1,h2,h3,h4{font-weight:600;line-height:1.06;letter-spacing:-.045em}h1{font-size:clamp(52px,6.65vw,96px)}h2{font-size:clamp(40px,5.1vw,72px)}h3{font-size:36px}p{max-width:72ch}img{display:block;max-width:100%;height:auto}figure{min-width:0}figcaption{font-size:11px;color:var(--muted);line-height:1.5;text-align:center;margin-top:18px}svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}strong,b{font-weight:600}[hidden]{display:none!important}.wrap{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.section{padding-block:132px}.section-heading{max-width:960px;margin-bottom:72px}.section-heading h2{margin-top:18px}.intro-copy{font-size:22px;line-height:1.5;letter-spacing:-.018em;color:var(--muted);max-width:720px;margin-top:25px}.eyebrow,.micro-label{font-size:12px;font-weight:600;letter-spacing:.07em;text-transform:uppercase}.eyebrow{color:var(--muted)}.small-note{font-size:12px;line-height:1.6;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:8px;border:0;background:none;padding:0;font-size:15px;font-weight:500;line-height:1.5;text-align:left}.arrow{flex:0 0 auto;width:20px;height:20px}.text-link .arrow{width:17px;height:17px}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:999px;padding:13px 24px;font-size:14px;font-weight:500;line-height:1.4;white-space:nowrap}.button:hover{background:#38383c;text-decoration:none}.button-light{color:var(--ink);background:#fff;border-color:#fff}.button-light:hover{background:#eee}.button-small{font-size:12px;padding:9px 17px}.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:28px}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:#fff;padding:12px 20px;border:1px solid var(--ink)}.skip:focus{top:12px}
.site-header{height:var(--header);position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}.nav-inner{height:100%;width:min(1380px,calc(100% - 64px));margin:auto;display:flex;align-items:center;gap:40px}.brand{display:flex;align-items:center;gap:16px;white-space:nowrap}.brand:hover{text-decoration:none}.brand>span{font-size:12px;font-weight:750;letter-spacing:.03em}.brand>b{border-left:1px solid #c6c6c8;padding-left:16px;font-size:20px;letter-spacing:-.04em}#main-nav{margin-left:auto;display:flex;align-items:center;gap:29px;font-size:12px;white-space:nowrap}#main-nav a[aria-current=page]{color:#707075}.header-actions{display:flex;align-items:center;gap:23px}.language-switch{font-size:12px}.menu-toggle{display:none;border:0;background:none;padding:5px;font-size:12px;align-items:center;gap:6px}.menu-toggle svg{width:20px;height:20px}
.hero{text-align:center;padding-top:62px;padding-bottom:72px}.hero-heading{position:relative;z-index:1}.hero-label{font-size:23px;font-weight:600;letter-spacing:-.03em;margin-bottom:20px}.hero h1{line-height:1.04}.hero-summary{font-size:21px;line-height:1.45;letter-spacing:-.015em;color:var(--muted);max-width:580px;margin:24px auto}.hero .button-row{justify-content:center;gap:26px}.play-icon{width:22px;height:22px;margin-left:1px}.play-icon path{fill:none;stroke-width:1.5}.hero-product{width:min(1320px,100%);margin:23px auto 0}.hero-product img{width:100%;height:clamp(320px,44vw,610px);object-fit:contain;transform:translateY(var(--hero-y,0px)) scale(var(--hero-scale,1));transform-origin:center}.hero-product figcaption{margin-top:0}.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);max-width:950px;padding-top:46px;margin-top:40px;border-top:1px solid var(--line);text-align:center}.hero-facts>div+div{border-left:1px solid var(--line)}.hero-facts strong{font-size:31px;letter-spacing:-.03em}.hero-facts strong span{font-size:20px}.hero-facts p{font-size:13px;color:var(--muted);margin-top:5px}
.story-section{background:var(--soft);padding-top:128px}.story-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;position:relative}.story-visual{position:sticky;top:86px;align-self:start}.story-visual figure{height:min(67vh,660px);display:flex;flex-direction:column;justify-content:center}.story-visual img{width:100%;height:calc(100% - 45px);object-fit:contain;transform:translateY(var(--product-y,0px)) scale(var(--product-scale,.94));will-change:transform}.story-visual figcaption{margin-top:0;padding:6px 0}.chapter-nav{display:flex;justify-content:center;gap:22px;padding:24px 0}.chapter-nav a{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:5px;border-top:2px solid #ceced3;padding-top:10px;min-width:75px;text-align:center}.chapter-nav a span{font-size:10px;letter-spacing:.12em}.chapter-nav a[aria-current=step]{color:var(--ink);border-color:var(--ink)}.story-chapter{min-height:76vh;padding:60px 0 100px;display:flex;flex-direction:column;justify-content:center;scroll-margin-top:40px}.story-chapter .eyebrow{margin-bottom:24px}.story-chapter h3{font-size:40px;margin-bottom:22px}.story-chapter>p:not(.eyebrow):not(.small-note){font-size:18px;line-height:1.65;color:var(--muted)}.story-chapter .small-note{margin:23px 0 20px;max-width:440px}.story-chapter .text-link{font-size:13px}
.system-section{padding-block:132px;background:var(--dark);color:#f5f5f7}.system-section .eyebrow,.system-section .intro-copy,.system-section .small-note{color:#a6a6ab}.energy-chain{list-style:none;margin:0;padding:14px 0 56px;display:grid;grid-template-columns:repeat(4,1fr);gap:35px}.energy-chain li{position:relative;min-width:0}.energy-chain li:not(:last-child):after{content:"";position:absolute;top:59px;width:calc(100% - 105px);left:115px;height:1px;background:#5a5a60}.chain-visual{width:104px;height:104px;display:grid;place-items:center;margin-bottom:26px}.chain-visual svg{width:83px;height:83px;stroke-width:1.3}.chain-number{font-size:11px;letter-spacing:.12em;color:#a6a6ab}.energy-chain h3{font-size:19px;letter-spacing:-.02em;line-height:1.2;margin:9px 0}.energy-chain p{font-size:13px;line-height:1.5;color:#a6a6ab}.chain-current{font-size:11px;letter-spacing:.07em;display:block;margin-top:14px;color:#dedee3}.system-note{border-top:1px solid #3e3e43;padding-top:26px;max-width:none}.technical-intro{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:end;margin:102px 0 48px}.technical-intro h3{font-size:42px}.technical-intro p{font-size:17px;color:#a6a6ab;max-width:450px}.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:43px 38px}.spec-grid>div{border-top:1px solid #48484c;padding-top:25px}.spec-grid dt{font-size:12px;color:#a6a6ab}.spec-grid dd{margin:11px 0 0;display:flex;flex-direction:column;gap:12px}.spec-grid strong{font-size:26px;line-height:1.2;letter-spacing:-.03em}.spec-grid dd span{font-size:13px;color:#a6a6ab;line-height:1.6;max-width:31ch}.version-note{margin-top:58px;border-top:1px solid #48484c;border-bottom:1px solid #48484c}.version-note summary{padding:23px 0;font-size:14px}.version-note>div{padding:0 0 28px;color:#bdbdc2;font-size:14px;max-width:850px}.version-note .button-row{margin-top:20px}.version-note .text-link{font-size:13px;color:#f5f5f7}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:22px}summary::-webkit-details-marker{display:none}summary>span{font-size:25px;font-weight:300;flex:0 0 auto;line-height:1}details[open]>summary>span{transform:rotate(45deg)}
.site-context{display:grid;grid-template-columns:.85fr 1.35fr;gap:65px;align-items:center}.site-context h2{font-size:47px;margin:18px 0 26px}.context-copy>p:not(.eyebrow):not(.small-note){font-size:16px;color:var(--muted);line-height:1.75}.context-copy .small-note{margin:24px 0}.site-context figure img{width:100%}.site-context figcaption{font-size:10px}.preparation-section{padding-block:125px;background:var(--soft)}.preparation-section .section-heading{text-align:left;margin-inline:auto}.preparation-section .intro-copy{max-width:680px}.mode-list{border-top:1px solid var(--line)}.mode-list article{padding:31px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:75px 1fr 90px;align-items:center;gap:30px}.mode-index{font-size:13px;color:var(--muted);align-self:start;padding-top:4px}.mode-list h3{font-size:30px;letter-spacing:-.035em;margin-bottom:9px}.mode-list p{font-size:17px;color:var(--muted)}.mode-type{font-size:10px;letter-spacing:.12em;color:var(--muted);text-align:right}.control-foot{display:flex;justify-content:space-between;gap:60px;margin-top:26px;align-items:start}.control-foot p{max-width:730px}.control-foot a{white-space:nowrap;font-size:13px}
.projects-section{background:var(--soft)}.scenario-tabs{display:flex;gap:6px;justify-content:center;width:fit-content;max-width:100%;padding:5px;background:#e7e7ea;border-radius:999px;margin:0 auto 50px}.scenario-tabs button{border:0;background:transparent;border-radius:999px;padding:12px 24px;font-size:14px;white-space:nowrap}.scenario-tabs button[aria-selected=true]{background:#fff}.scenario-panel{display:grid;grid-template-columns:1.15fr 1fr;gap:65px;align-items:center}.scenario-panel+ .scenario-panel{margin-top:70px}.js .scenario-panel+ .scenario-panel{margin-top:0}.scenario-panel img{width:100%;height:auto}.scenario-panel figcaption{text-align:left;font-size:10px}.scenario-copy h3{font-size:40px;margin:18px 0 24px}.scenario-copy>p:not(.eyebrow){font-size:17px;line-height:1.7;color:var(--muted)}.scenario-copy ul{list-style:none;padding:0;margin:25px 0 28px}.scenario-copy li{border-top:1px solid #d8d8dd;padding:12px 0;font-size:13px}.scenario-copy .text-link{font-size:14px}.film-section{background:#000;color:#f5f5f7}.film-heading{display:flex;justify-content:space-between;gap:60px;align-items:end;margin-bottom:54px}.film-heading .eyebrow{color:#aaaab0;margin-bottom:20px}.film-heading>p{max-width:340px;color:#a6a6ac;font-size:19px}.video-shell video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#080808}.film-caption{display:flex;justify-content:space-between;gap:60px;margin-top:24px;font-size:12px;color:#a6a6ac}.film-caption p{max-width:740px}.film-caption a{display:flex;gap:10px;white-space:nowrap;color:#f5f5f7}.film-caption .arrow{width:17px;height:17px}
.consult-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:95px;align-items:start}.consult-intro{position:sticky;top:135px}.consult-intro h2{margin-top:18px;font-size:55px}.consult-intro .intro-copy{font-size:20px}.consult-intro .small-note{margin:35px 0 22px;max-width:360px}.chat-panel{border:1px solid var(--line);border-radius:22px;padding:24px;min-width:0;background:#fff}.chat-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:20px}.chat-top strong{font-size:14px}.quiet-button{border:0;padding:0;background:transparent;font-size:11px;color:var(--muted)}.quiet-button:hover{text-decoration:underline}.role-chooser{display:flex;gap:5px;padding:5px;border-radius:12px;background:var(--soft)}.role-chooser button{flex:1;padding:9px 5px;border:0;background:transparent;border-radius:9px;font-size:11px;white-space:nowrap}.role-chooser button.active{background:#fff}.chat-messages{min-height:186px;max-height:440px;overflow:auto;padding:25px 0 8px;overscroll-behavior:contain}.message{padding:17px 19px;background:var(--soft);border-radius:13px;margin-bottom:15px;font-size:14px;line-height:1.65}.message.user{margin-left:28px;background:#262629;color:#fff}.message-label{display:block;font-size:10px;font-weight:600;color:var(--muted);margin-bottom:8px;letter-spacing:.015em}.message.user .message-label{color:#c0c0c6}.message p{white-space:pre-wrap}.message .follow-up{font-weight:500;margin-top:13px}.message .source-links{margin-top:15px}.source-links{display:flex;gap:13px;flex-wrap:wrap}.source-links a{font-size:12px;overflow-wrap:anywhere}.quick-questions{display:grid;gap:7px;margin-bottom:18px}.quick-questions button{border:1px solid var(--line);border-radius:9px;background:#fff;padding:11px 12px;text-align:left;font-size:12px;display:flex;justify-content:space-between;align-items:center;gap:8px}.quick-questions button:hover{background:var(--soft)}.quick-questions svg{width:15px;height:15px;flex:0 0 auto}#chat-form{border:1px solid #aaaab0;border-radius:13px;padding:13px}#chat-input{display:block;width:100%;border:0;background:transparent;resize:vertical;min-height:85px;max-height:250px;font-size:14px;line-height:1.5;padding:1px;color:var(--ink)}#chat-input:focus-visible{outline-offset:0;outline-width:1px}.chat-form-bottom{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:9px}#chat-status{font-size:10px;color:var(--muted)}#chat-send{font-size:12px;padding:10px 14px;gap:8px}#chat-send .arrow{width:16px;height:16px}.chat-bottom{margin-top:17px}.chat-bottom p{font-size:10px;line-height:1.6;color:var(--muted)}.chat-bottom button{margin-top:13px}.download-teaser{padding:80px 0 120px;display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center;border-top:1px solid var(--line)}.download-teaser h2{font-size:49px;margin:19px 0 22px}.download-teaser p:not(.eyebrow){font-size:17px;color:var(--muted)}.download-teaser>div:last-child{display:flex;flex-direction:column;gap:22px;align-items:flex-start;padding-left:80px}.download-teaser>div:last-child>span{color:var(--muted);font-size:12px;letter-spacing:.07em}.studio-footer{background:var(--soft);padding-top:88px}.footer-top{display:flex;justify-content:space-between;gap:70px;align-items:center;padding-bottom:76px}.footer-top h2{font-size:49px}.footer-top .button{border-color:#ddd}.footer-bottom{display:grid;grid-template-columns:1.25fr 1fr;gap:160px;padding:37px 0 45px;border-top:1px solid var(--line)}.footer-brand{font-size:17px;font-weight:600}.footer-bottom p{font-size:11px;color:var(--muted);line-height:1.6;max-width:600px;margin:15px 0}.footer-bottom small{font-size:10px;color:var(--muted)}.footer-links{display:flex;flex-direction:column;gap:12px;font-size:11px;padding-top:5px}.footer-links span{color:var(--muted)}
.page-heading{padding-top:105px;padding-bottom:82px}.page-heading h1{font-size:clamp(46px,6vw,78px);margin-top:25px;line-height:1.09}.page-heading .intro-copy{max-width:770px}.page-heading .small-note{margin-top:28px}.download-section{padding-bottom:25px}.resource-controls{display:flex;flex-direction:column;gap:28px}.search{border-bottom:1px solid #a6a6ac;display:flex;align-items:center;gap:18px;padding:17px 0}.search svg{width:25px;height:25px;stroke-width:1.4;flex:0 0 auto}.search input{border:0;width:100%;padding:5px;background:transparent;font-size:21px;outline:none;color:var(--ink)}.filter-bar{display:flex;flex-wrap:wrap;gap:9px}.filter-bar button{border:1px solid #d4d4d9;border-radius:999px;padding:10px 20px;font-size:13px;background:#fff}.filter-bar button.active{background:var(--ink);color:#fff;border-color:var(--ink)}.download-section>.small-note{margin-top:30px;margin-bottom:20px}.download-list{border-top:1px solid var(--line)}.download-row{display:grid;grid-template-columns:70px 1fr auto;gap:30px;align-items:center;padding:33px 0;border-bottom:1px solid var(--line)}.document-icon{font-size:11px;letter-spacing:.04em;border:1px solid #b4b4bb;border-radius:4px;padding:15px 10px;display:grid;place-items:center;width:55px;height:65px}.download-row .micro-label{font-size:10px;color:var(--muted);font-weight:500}.download-row h2{font-size:21px;letter-spacing:-.02em;line-height:1.4;margin:6px 0}.download-row p{font-size:12px;color:var(--muted)}.download-row>.text-link{font-size:13px;white-space:nowrap;margin-left:25px}.faq-section{padding-bottom:60px}.faq-section>h2,.credits-section>h2{font-size:45px;margin:18px 0 45px;max-width:850px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{padding:24px 0;font-size:18px;letter-spacing:-.015em;font-weight:500}.faq-list details>div{padding:0 65px 27px 0;font-size:15px;color:var(--muted);max-width:1000px}.faq-list .follow-up{margin:18px 0}.credits-section{padding-top:60px}.credits-copy{max-width:950px;color:var(--muted);font-size:14px;line-height:1.75}.credits-copy ul{padding-left:20px;line-height:1.8;margin:26px 0}.credits-copy li{margin-bottom:15px}.credits-copy a{font-size:14px;color:var(--ink);display:inline}.credits-copy a svg{display:inline;vertical-align:middle;width:14px;height:14px;margin-left:5px}.credits-copy .small-note{margin-top:28px}#resource-empty{padding:50px 0;font-size:18px;color:var(--muted)}
html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3{line-height:1.18;letter-spacing:-.035em}html[lang=zh-CN] .hero-summary{max-width:590px}html[lang=zh-CN] .hero h1{font-size:clamp(52px,6.4vw,91px)}
@media(min-width:1500px){.hero-product{width:1420px}.hero-product img{height:660px}.hero{padding-top:76px}.story-layout{gap:95px}.story-chapter{min-height:79vh}}
@media(max-width:1100px){.nav-inner{gap:24px}#main-nav{gap:21px}.header-actions{gap:20px}.wrap{width:calc(100% - 72px)}.story-layout{gap:42px}.technical-intro{gap:45px}.spec-grid{gap:35px 26px}.spec-grid strong{font-size:22px}.site-context{gap:40px;grid-template-columns:1fr 1.15fr}.site-context h2{font-size:40px}.scenario-panel{gap:43px}.scenario-copy h3{font-size:33px}.consult-grid{gap:50px}.consult-intro h2{font-size:46px}.consult-intro .intro-copy{font-size:18px}.footer-bottom{gap:80px}.control-foot{gap:35px}.download-teaser>div:last-child{padding-left:20px}}
@media(max-width:820px){:root{--header:60px}.wrap{width:calc(100% - 48px)}.section{padding-block:90px}.nav-inner{width:calc(100% - 40px);gap:20px}.brand{gap:10px}.brand>b{padding-left:10px;font-size:18px}.brand>span{font-size:11px}.menu-toggle{display:flex;margin-left:auto}.header-actions{gap:16px}#main-nav{display:none;position:absolute;left:0;right:0;top:60px;background:#fff;padding:25px 26px 30px;border-bottom:1px solid var(--line);font-size:16px;gap:0}#main-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:24px}.hero{padding-top:55px}.hero-summary{font-size:19px;max-width:490px}.hero-label{font-size:21px}.hero-product{margin-top:34px}.hero-product img{height:auto}.hero-facts{margin-top:36px;padding-top:30px}.hero-facts strong{font-size:27px}.hero-facts strong span{font-size:16px}.hero-facts p{font-size:11px}.section-heading{margin-bottom:50px}.intro-copy{font-size:20px}.story-section{padding-top:90px}.story-layout{gap:34px;grid-template-columns:1fr 1fr}.story-visual{top:100px}.story-visual figure{height:440px}.chapter-nav{gap:10px}.chapter-nav a{min-width:65px;font-size:10px}.story-chapter{min-height:640px;padding:40px 0 70px}.story-chapter h3{font-size:32px}.story-chapter>p:not(.eyebrow):not(.small-note){font-size:16px}.system-section{padding-block:90px}.energy-chain{gap:22px}.energy-chain h3{font-size:16px}.energy-chain p{font-size:11px}.energy-chain li:not(:last-child):after{width:calc(100% - 90px);left:95px}.chain-visual{width:85px;height:104px}.chain-visual svg{width:70px}.technical-intro{margin-top:74px}.technical-intro h3{font-size:35px}.technical-intro p{font-size:15px}.spec-grid{grid-template-columns:repeat(2,1fr);gap:38px 45px}.site-context{grid-template-columns:1fr;gap:40px}.context-copy{max-width:650px}.site-context h2{font-size:46px}.preparation-section{padding-block:90px}.control-foot{display:block}.control-foot a{margin-top:20px}.mode-list article{grid-template-columns:45px 1fr 60px}.mode-list h3{font-size:26px}.mode-list p{font-size:15px}.scenario-panel{grid-template-columns:1fr;gap:35px}.scenario-panel figure{max-width:640px;margin-inline:auto}.scenario-copy{max-width:650px}.scenario-copy h3{font-size:39px}.scenario-copy ul{margin-bottom:26px}.scenario-tabs{margin-bottom:38px}.film-heading{gap:40px}.film-heading>p{font-size:16px;max-width:260px}.film-caption{gap:35px}.consult-grid{grid-template-columns:1fr;gap:50px;max-width:650px;margin-inline:auto}.consult-intro{position:static}.consult-intro h2{font-size:54px}.consult-intro .small-note{max-width:none;margin:23px 0 18px}.chat-panel{padding:25px}.download-teaser{gap:40px;padding:72px 0 90px}.download-teaser h2{font-size:39px}.download-teaser>div:last-child{padding-left:0}.download-teaser p:not(.eyebrow){font-size:15px}.footer-top{gap:40px}.footer-top h2{font-size:41px}.footer-top .button{font-size:12px;padding:13px 18px}.footer-bottom{gap:65px}.page-heading{padding-top:75px;padding-bottom:64px}.page-heading h1{font-size:58px}.download-row{grid-template-columns:52px 1fr;gap:24px}.download-row>.text-link{grid-column:2;margin-left:0}.download-row h2{font-size:20px}.download-row p{font-size:12px}.download-row .document-icon{width:45px;height:60px;align-self:start;margin-top:6px}.faq-section>h2,.credits-section>h2{font-size:37px}}
@media(max-width:600px){html{scroll-padding-top:82px}.wrap{width:calc(100% - 40px)}.section{padding-block:72px}h1{font-size:50px}h2{font-size:40px}.nav-inner{width:calc(100% - 28px);gap:12px}.brand>span{display:none}.brand>b{border-left:0;padding-left:0;font-size:19px}.menu-toggle{font-size:0;gap:0;padding:7px}.menu-toggle svg{width:21px;height:21px}.header-actions{gap:13px}.button-small{font-size:11px;padding:8px 13px}.language-switch{font-size:11px}.hero{padding-top:44px;padding-bottom:55px}.hero-label{font-size:19px;margin-bottom:21px}.hero h1{font-size:49px;letter-spacing:-.05em}.hero-summary{font-size:17px;max-width:300px;margin-top:23px;margin-bottom:22px}.hero .button-row{gap:19px}.hero .button{font-size:12px;padding:12px 18px}.hero .text-link{font-size:12px;gap:4px}.play-icon{width:19px;height:19px}.hero-product{margin-top:37px}.hero-product img{width:100%;height:auto;min-height:0}.hero-product figcaption{font-size:9px;margin:17px 20px 0}.hero-facts{padding-top:28px;margin-top:33px;gap:6px}.hero-facts strong{font-size:21px;line-height:1.15}.hero-facts strong span{font-size:12px;display:block;margin-top:5px}.hero-facts>div:last-child strong{font-size:19px;line-height:1.8}.hero-facts p{font-size:10px;line-height:1.55;max-width:90px;margin:9px auto 0}.section-heading{margin-bottom:34px}.section-heading h2{margin-top:15px}.intro-copy{font-size:18px;margin-top:24px}.eyebrow{font-size:10px}.story-section{padding-top:73px}.story-layout{display:block}.story-visual{position:static}.story-visual figure{height:370px;max-width:400px;margin:auto}.story-visual img{transform:none!important}.story-visual figcaption{font-size:10px}.chapter-nav{gap:20px;padding:18px 0 31px}.chapter-nav a{min-width:74px}.story-chapter{min-height:0;padding:45px 0 54px;border-top:1px solid #d7d7dc;scroll-margin-top:65px}.story-chapter .eyebrow{margin-bottom:23px}.story-chapter h3{font-size:36px;margin-bottom:20px}.story-chapter>p:not(.eyebrow):not(.small-note){font-size:17px}.story-chapter .small-note{font-size:11px;margin:20px 0}.story-chapter .text-link{font-size:12px}.system-section{padding-block:74px}.energy-chain{grid-template-columns:1fr 1fr;gap:45px 25px;padding:8px 0 32px}.energy-chain li:after{display:none}.chain-visual{height:80px;margin-bottom:14px}.chain-visual svg{height:73px;width:73px}.energy-chain h3{font-size:17px;line-height:1.35}.energy-chain p{font-size:11px}.chain-current{font-size:10px;margin-top:10px}.system-note{font-size:11px;padding-top:21px}.technical-intro{display:block;margin:62px 0 34px}.technical-intro h3{font-size:33px}.technical-intro p{font-size:15px;margin-top:22px}.spec-grid{grid-template-columns:1fr;gap:28px}.spec-grid>div{padding-top:21px}.spec-grid dt{font-size:11px}.spec-grid strong{font-size:25px}.spec-grid dd{gap:9px}.spec-grid dd span{font-size:12px;max-width:44ch}.version-note{margin-top:37px}.version-note summary{font-size:13px;line-height:1.55}.version-note>div{font-size:13px}.version-note .button-row{gap:17px}.site-context h2{font-size:38px}.context-copy>p:not(.eyebrow):not(.small-note){font-size:16px}.site-context .small-note{font-size:11px}.site-context figcaption{font-size:9px}.preparation-section{padding-block:73px}.preparation-section .section-heading{text-align:left}.preparation-section .intro-copy{font-size:18px}.control-section .section-heading{margin-bottom:38px}.mode-list article{grid-template-columns:26px 1fr;gap:15px;padding:26px 0}.mode-type{display:none}.mode-list h3{font-size:27px}.mode-list p{font-size:15px}.mode-index{font-size:11px}.control-foot .small-note{font-size:11px}.control-foot a{font-size:12px}.scenario-tabs{gap:0;padding:4px;width:100%;margin-bottom:29px}.scenario-tabs button{font-size:12px;padding:11px 8px;flex:1}.scenario-panel{gap:31px}.scenario-panel figcaption{font-size:9px}.scenario-copy h3{font-size:34px;margin-top:14px;margin-bottom:22px}.scenario-copy>p:not(.eyebrow){font-size:16px}.scenario-copy li{font-size:12px}.film-heading{display:block;margin-bottom:34px}.film-heading>p{max-width:none;margin-top:24px;font-size:17px}.film-heading .eyebrow{margin-bottom:17px}.film-caption{display:block;font-size:10px;margin-top:21px}.film-caption a{margin-top:17px;font-size:12px}.consult-intro h2{font-size:40px}.consult-intro .intro-copy{font-size:18px}.consult-grid{gap:35px}.chat-panel{padding:16px;border-radius:16px}.chat-top{padding-bottom:16px;gap:10px}.chat-top strong{font-size:12px}.quiet-button{font-size:10px}.role-chooser button{font-size:10px;padding:9px 2px}.chat-messages{padding-top:20px;min-height:176px}.message{font-size:13px;padding:14px}.message-label{font-size:9px}.quick-questions button{font-size:11px;padding:10px}.quick-questions svg{width:13px;height:13px}.chat-bottom p{font-size:9px}.download-teaser{padding:64px 0 74px;grid-template-columns:1fr;gap:30px}.download-teaser h2{font-size:39px}.download-teaser>div:last-child{gap:16px}.studio-footer{padding-top:68px}.footer-top{display:block;padding-bottom:42px}.footer-top h2{font-size:37px}.footer-top .button{margin-top:30px;font-size:12px}.footer-bottom{grid-template-columns:1fr;gap:30px;padding-top:29px;padding-bottom:36px}.footer-brand{font-size:16px}.footer-bottom p{font-size:10px}.footer-links{font-size:10px;gap:12px}.page-heading{padding:64px 0 48px}.page-heading h1{font-size:42px}.page-heading .intro-copy{font-size:18px}.page-heading .small-note{font-size:11px}.search{gap:13px}.search input{font-size:16px}.search svg{width:22px;height:22px}.filter-bar{gap:7px}.filter-bar button{font-size:11px;padding:9px 13px}.resource-controls{gap:21px}.download-section>.small-note{font-size:11px}.download-row{gap:17px;grid-template-columns:42px 1fr;padding:25px 0}.download-row .document-icon{width:39px;height:51px;font-size:9px;padding:8px}.download-row h2{font-size:17px;margin:5px 0}.download-row p{font-size:11px}.download-row>.text-link{font-size:12px}.faq-section>h2,.credits-section>h2{font-size:34px;margin:17px 0 31px}.faq-list summary{font-size:16px;padding:22px 0}.faq-list details>div{font-size:14px;padding-right:0}.faq-list .source-links{gap:17px}.credits-copy{font-size:13px;overflow-wrap:anywhere}.credits-copy a{font-size:13px}.credits-section{padding-top:18px}.credits-copy ul{padding-left:17px}.credits-copy .small-note{font-size:11px}html[lang=zh-CN] .hero h1{font-size:45px}html[lang=zh-CN] .hero-summary{max-width:290px}html[lang=zh-CN] .scenario-tabs button{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.hero-product img,.story-visual img{transform:none!important;will-change:auto}.story-visual{position:static}.story-chapter{min-height:0;padding-block:35px 55px}.story-chapter+.story-chapter{border-top:1px solid #d7d7dc}.story-layout{padding-bottom:50px}.story-visual figure{height:480px}.story-chapters{padding-top:20px}.consult-intro{position:static}}
@media(prefers-reduced-motion:reduce) and (max-width:600px){.story-visual figure{height:340px}.story-chapter{padding-block:38px}.story-layout{padding-bottom:24px}}
/* Keep all tab panels in the same grid slot so image and copy changes never
   change the surrounding page height. hidden + visibility also remove their
   controls from the focus order and accessibility tree. Originals stay whole. */
.js .scenario-panels{display:grid;align-items:stretch}
.js .scenario-panel{grid-area:1/1}
.js .scenario-panel[hidden]{display:grid!important;visibility:hidden;pointer-events:none}
.js .scenario-panel figure img{width:100%;aspect-ratio:4/3;object-fit:contain}
.js .scenario-panel figcaption{min-height:3em}
@media print{.site-header,.button,.chapter-nav,.scenario-tabs,.video-shell,.chat-panel,.footer-top,.header-actions{display:none!important}.story-visual,.consult-intro{position:static}.story-chapter{min-height:0;padding:30px 0}.story-layout,.consult-grid,.js .scenario-panels{display:block}.section,.system-section,.preparation-section{padding:35px 0}.wrap{width:100%}.system-section,.film-section{background:white;color:black}.system-section .intro-copy,.system-section .small-note,.system-section p{color:#444}.scenario-panel[hidden],.js .scenario-panel[hidden]{display:grid!important;visibility:visible}.studio-footer{padding-top:20px}.story-visual figure{height:300px}.hero-product img{height:350px}}

/* The second product view keeps the complete shell-angle canvas and its own
   perspective. The planner replaces arithmetic-only capacity controls. */
.hero-facts strong{font-size:26px}.hero-facts p{font-size:12px}
.story-layout{grid-template-columns:1.25fr 1fr;gap:64px}
.story-visual{top:145px}.story-visual figure{height:auto;display:block}
.story-visual img{display:block;width:100%;height:auto;aspect-ratio:1919/1086;object-fit:contain;transform-origin:center}
.story-visual figcaption{margin-top:13px;font-size:10px}
.story-chapter .chapter-tag{font-size:13px!important;font-weight:600;letter-spacing:.035em;color:var(--ink)!important;margin:0 0 23px}
.expansion-reference{border-top:1px solid var(--line);margin-top:50px;padding-top:18px}.expansion-reference summary{font-size:13px;color:var(--muted);font-weight:500}.expansion-reference summary>span{font-size:20px}.lineup-reference{max-width:690px;margin:28px auto 20px}.lineup-reference img{width:100%;height:auto;object-fit:contain}.lineup-reference figcaption{font-size:10px}.expansion-reference>.small-note{max-width:690px;margin:0 auto 20px}
.js .scenario-panel figure img{aspect-ratio:auto;max-height:440px;object-fit:contain}
@media(max-width:820px){.hero-facts strong{font-size:22px}.story-layout{gap:35px;grid-template-columns:1.2fr 1fr}.story-visual{top:150px}.story-visual figure{height:auto}.story-chapter{min-height:590px}.preparation-section .project-planner{gap:36px}.js .scenario-panel figure img{max-height:none}}
@media(max-width:760px){.preparation-section .project-planner{gap:6px}}
@media(max-width:600px){.hero-facts strong,.hero-facts>div:last-child strong{font-size:17px;line-height:1.4}.hero-facts p{font-size:9px;max-width:98px}.story-visual figure{height:auto;max-width:none}.story-layout{display:block}.story-visual{position:static}.story-visual img{transform:none!important}.story-visual figcaption{font-size:9px;margin:12px 0 0}.story-chapter{min-height:0}.story-chapter .chapter-tag{font-size:11px!important;margin-bottom:17px}.expansion-reference{margin-top:32px}.expansion-reference summary{font-size:12px;gap:12px}.lineup-reference{margin-top:20px}.lineup-reference figcaption{font-size:9px}.expansion-reference>.small-note{font-size:10px}}
@media(prefers-reduced-motion:reduce){.story-visual{position:static}.story-visual figure{height:auto}.story-chapter{min-height:0}}