:root{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;font-synthesis:weight;scroll-behavior:smooth;color:var(--ui-text);background:var(--ui-bg);--line:var(--ui-border);--muted:var(--ui-muted)}
*{box-sizing:border-box}body{margin:0}h1,h2,h3,p{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}a,button,input{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--ui-primary)}[hidden]{display:none!important}.skip{position:fixed;top:-80px;padding:12px;background:var(--ui-surface);color:var(--ui-text);z-index:10}.skip:focus{top:10px}
.site-header{position:sticky;top:18px;z-index:5;max-width:1160px;margin:18px auto 0;padding:10px 16px;display:flex;align-items:center;gap:24px;border:1px solid var(--ui-border);border-radius:48px;background:var(--ui-surface);box-shadow:var(--ui-shadow)}.site-brand{flex-shrink:0;display:flex;align-items:center}.site-brand img{display:block;width:150px;height:50px;object-fit:contain;background:white;border-radius:26px;padding:5px 9px}.brand-slogan{display:block;font-size:12px;line-height:1.5;color:var(--ui-muted);white-space:nowrap}.site-brand{flex-direction:column;gap:3px}.site-header nav{display:flex;align-items:center;gap:26px;margin-right:auto}.site-header nav a{padding:12px 0;font-size:14px;white-space:nowrap;color:var(--ui-muted)}.site-header nav a:hover,.site-header nav a.active{color:var(--ui-text)}.site-header nav a.active{box-shadow:inset 0 -2px var(--ui-primary)}.login-link{display:flex;gap:16px;align-items:center;padding:12px 18px;background:var(--ui-primary);color:var(--ui-on-primary);border-radius:24px;font-size:14px;white-space:nowrap}
.hero{padding:90px 24px 0;background:radial-gradient(ellipse at 50% 28%,var(--ui-soft),transparent 62%);position:relative;overflow:hidden}.hero-content{text-align:center;max-width:840px;margin:auto}.overline{font-size:13px;line-height:1.7;color:var(--ui-muted)}.hero-content .overline{display:flex;align-items:center;justify-content:center;gap:10px}.overline>span{height:5px;width:5px;border-radius:50%;background:var(--ui-primary)}h1{font-family:'Songti SC','STSong','Noto Serif CJK SC',serif;font-size:clamp(36px,4.6vw,64px);font-weight:500;line-height:1.35;letter-spacing:-1px;text-wrap:balance;margin:24px 0}h1 em,h2 em{font-style:normal;color:inherit}.hero-subtitle{font-size:19px;line-height:1.6;font-weight:500;margin:24px 0 14px}.hero-content>p{max-width:680px;margin:18px auto 0;font-size:16px;line-height:1.9;color:var(--ui-muted)}.hero-actions{display:flex;justify-content:center;align-items:center;gap:28px;margin-top:30px}.action-primary{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:14px 24px;background:var(--ui-primary);color:var(--ui-on-primary);font-size:15px;border:0;border-radius:8px;transition:transform .18s,filter .18s}.action-primary:hover,.login-link:hover{filter:brightness(1.12)}.action-primary:active{transform:translateY(1px)}.action-text{display:inline-flex;gap:16px;align-items:center;font-size:14px;min-height:44px;color:var(--ui-muted)}.action-text:hover{color:var(--ui-text)}.engineering-preview{position:relative;max-width:1080px;height:380px;margin:58px auto 0;overflow:hidden;border:1px solid var(--ui-border);border-radius:18px 18px 0 0;background:var(--ui-surface)}#engineering-scene{width:100%;height:100%;display:block}.scene-caption{position:absolute;top:22px;left:26px;display:grid;gap:6px;font-size:14px;color:var(--ui-text)}.scene-caption small{font-size:12px;color:var(--ui-muted)}.live-dot{display:none}.hero-bottom{max-width:1080px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 24px;border:1px solid var(--ui-border);border-top:0;border-radius:0 0 18px 18px;background:var(--ui-surface)}.hero-bottom>span{font-size:12px;line-height:1.8;color:var(--ui-muted)}.hero-bottom b{font-weight:400}.stage-switch{display:flex;gap:12px;align-items:center}.stage-switch button{display:flex;gap:8px;align-items:center;background:transparent;border:0;color:var(--ui-muted);padding:12px 6px;min-height:44px;font-size:14px}.stage-switch button[aria-pressed=true]{color:var(--ui-text);box-shadow:inset 0 -2px var(--ui-primary)}.stage-switch small{font-size:12px}.stage-switch i{height:1px;width:20px;background:var(--ui-border)}.carousel-toggle{background:transparent;border:0;color:var(--ui-muted);font-size:12px;padding:12px;min-height:44px;white-space:nowrap}
.content-section{max-width:1200px;margin:auto;padding:120px 36px;display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}.section-intro h2{font:500 clamp(30px,3vw,44px)/1.5 'Songti SC','STSong',serif;margin:20px 0}.section-intro>p{font-size:16px;line-height:1.95;color:var(--ui-muted);max-width:420px}.workflow-list article{display:grid;grid-template-columns:28px 1fr 80px;gap:20px;align-items:center;padding:32px 0;border-top:1px solid var(--ui-border)}.workflow-list article>span{font-size:13px;color:var(--ui-muted);align-self:start;padding-top:6px}.workflow-list h3{font-size:20px;font-weight:500}.workflow-list p{font-size:15px;line-height:1.9;color:var(--ui-muted);margin-top:12px}.mini-plan{width:70px;height:55px;border:1px solid var(--ui-primary);padding:5px;gap:4px;display:grid;grid-template-columns:1fr 1fr;transform:skewY(-12deg)}.mini-plan i{border:1px solid var(--ui-border)}.mini-cube{font:52px/14px monospace;color:var(--ui-primary)}.mini-bars{height:60px;display:flex;gap:6px;align-items:end}.mini-bars i{width:11px;height:45%;background:var(--ui-primary)}.mini-bars i:nth-child(2){height:75%}.mini-bars i:nth-child(3){height:95%}.mini-cost{display:flex;gap:8px;font-size:36px;color:var(--ui-primary)}.mini-cost span{font-size:15px;line-height:1.8}.statement{max-width:1128px;margin:0 auto 90px;padding:60px 0;border-top:1px solid var(--ui-border)}.statement h2{font:500 clamp(30px,3vw,44px)/1.5 'Songti SC','STSong',serif;margin:22px 0}.statement>p{max-width:640px;font-size:16px;line-height:1.9;color:var(--ui-muted);margin-bottom:28px}.site-footer{border-top:1px solid var(--ui-border);padding:40px max(28px,calc((100vw - 1128px)/2));display:flex;align-items:center;justify-content:space-between;gap:32px;color:var(--ui-muted);font-size:12px}.site-footer strong{font-size:14px;color:var(--ui-text);font-weight:500}.site-footer p{margin-top:10px}.site-footer nav{display:flex;gap:20px;flex-wrap:wrap}.site-footer nav a{padding:12px 0}
.public-login-main{min-height:70dvh;padding:90px 24px;background:radial-gradient(ellipse at 40% 40%,var(--ui-soft),transparent 60%)}.public-login-card{max-width:460px;margin:auto;padding:36px;background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:16px}.public-login-card h1{font-size:36px;margin:20px 0 14px}.public-login-card>p{font-size:14px;line-height:1.9;color:var(--ui-muted)}.public-login-card form{display:grid;gap:22px;margin-top:30px}.public-login-card label{display:grid;gap:10px;font-size:14px}.public-login-card input{min-width:0;border:1px solid var(--ui-border);background:var(--ui-bg);color:var(--ui-text);padding:14px;border-radius:8px}.public-login-card input::placeholder{color:var(--ui-muted)}#login-notice{font-size:14px;line-height:1.8;color:var(--ui-muted)}#login-notice:empty{display:none}.public-login-card button:disabled{opacity:.55;cursor:wait}.login-home{display:inline-block;margin-top:24px;padding:10px 0;font-size:14px;color:var(--ui-muted)}.contact-main{max-width:1128px;min-height:70dvh;margin:auto;padding:100px 24px;display:grid;grid-template-columns:1.15fr 1fr;gap:70px}.contact-intro h1{font-size:44px}.contact-intro>p{font-size:16px;line-height:1.9;color:var(--ui-muted)}.contact-orbit{display:none}.contact-methods article{display:grid;grid-template-columns:24px 1fr 20px;gap:20px;border-top:1px solid var(--ui-border);padding:24px 0}.contact-methods article>span{color:var(--ui-muted);font-size:13px}.contact-methods small{font-size:12px;color:var(--ui-muted)}.contact-methods h2{font-size:20px;font-weight:500;margin:8px 0}.contact-methods p{min-height:26px;color:var(--ui-muted);overflow-wrap:anywhere}.contact-footnote{grid-column:1/-1;font-size:14px;color:var(--ui-muted)}
.tech-hero .hero-content{max-width:820px}.tech-hero .action-primary{margin-top:28px}.tech-hero .engineering-preview{border-radius:18px}.product-cards,.roadmap{display:grid;gap:26px}.product-card,.roadmap-track{background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:12px;padding:28px;display:grid;gap:22px}.product-card header,.roadmap-track header{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.product-card h3{font-size:24px;font-weight:500}.product-card header small{display:block;font-size:14px;color:var(--ui-muted);margin-top:8px}.product-badge{font-size:13px;border:1px solid var(--ui-border);color:var(--ui-text);background:var(--ui-soft);padding:9px 12px;border-radius:6px}.product-lead,.product-points li,.roadmap-track p{font-size:15px;line-height:1.9;color:var(--ui-muted)}.product-facts{margin:0}.product-facts>div{display:grid;grid-template-columns:84px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--ui-border)}.product-facts dt{font-size:13px;color:var(--ui-muted)}.product-facts dd{margin:0;font-size:15px;line-height:1.8}.product-points{padding-left:18px;margin:0;display:grid;gap:10px}.product-foot{border-top:1px solid var(--ui-border);padding-top:18px;font-size:13px;color:var(--ui-muted)}.product-compare{max-width:1128px;margin:auto;border-block:1px solid var(--ui-border);padding:60px 0}.product-compare-head h3,.discipline-plan-head h3{font-size:28px;font-weight:500;margin:18px 0}.compare-grid{margin-top:28px}.compare-row{display:grid;grid-template-columns:160px 1fr 1fr;gap:24px;padding:18px 0;border-top:1px solid var(--ui-border);font-size:15px;line-height:1.7}.compare-row>span:first-child{color:var(--ui-muted)}.compare-head{font-weight:600}.roadmap-track header h3{font-size:20px;font-weight:500}.roadmap-track header b{font-size:13px;font-weight:400;color:var(--ui-muted)}.roadmap-track ol{list-style:none;margin:0;padding:0}.roadmap-track li{display:grid;grid-template-columns:84px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--ui-border)}.milestone-time{font-size:13px;color:var(--ui-muted)}.roadmap-track h4{font-size:18px;font-weight:500;margin:0 0 10px}.discipline-plan{grid-column:1/-1;border-top:1px solid var(--ui-border);padding-top:42px}.discipline-plan-head p{font-size:16px;line-height:1.9;max-width:640px;color:var(--ui-muted)}.discipline-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:30px}.discipline-grid article{padding:22px 0;border-top:2px solid var(--ui-border)}.discipline-grid .month{font-size:14px;color:var(--ui-muted)}.discipline-grid h4{font-size:19px;font-weight:500;margin:14px 0 10px}.discipline-grid p{font-size:15px;line-height:1.8;color:var(--ui-muted)}
.reveal-ready{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}.reveal-ready.is-visible{opacity:1;transform:none}
@media(max-width:1200px){.site-header{margin-inline:24px}.statement,.product-compare{margin-inline:36px}.site-header{gap:16px}.site-header nav{gap:18px}.content-section{gap:44px}}
@media(max-width:900px){.site-header{flex-wrap:wrap;border-radius:22px;gap:8px 16px}.site-header nav{order:3;width:100%;justify-content:center;gap:24px;overflow:auto}.site-brand{margin-right:auto}.hero{padding-top:60px}.hero-bottom>span{display:none}.content-section{grid-template-columns:1fr;gap:40px;padding-block:80px}.contact-main{gap:40px;grid-template-columns:1fr}.site-footer{flex-wrap:wrap}.discipline-grid{grid-template-columns:1fr}.engineering-preview{height:330px}}
@media(max-width:540px){.site-header{margin:10px;top:10px;padding:9px 12px;gap:8px}.site-brand img{width:116px;height:40px}.site-header nav{gap:20px;justify-content:flex-start}.site-header nav a{font-size:13px}.site-header [data-theme-toggle],.login-link{font-size:12px;padding:10px 12px}.hero{padding:44px 18px 0}h1{font-size:36px}.hero-subtitle{font-size:17px}.hero-content>p{font-size:15px}.hero-actions{gap:18px}.engineering-preview{height:280px;margin-top:36px}.hero-bottom{padding:10px;gap:0;flex-wrap:wrap;justify-content:center}.stage-switch{gap:6px}.stage-switch i{width:8px}.stage-switch button{font-size:13px;gap:4px}.carousel-toggle{width:100%}.content-section{padding:72px 24px}.workflow-list article{grid-template-columns:20px 1fr;gap:12px}.workflow-list article>div:last-child{display:none}.statement,.product-compare{margin-inline:24px;padding-block:42px}.statement{margin-bottom:40px}.site-footer{padding:30px 24px}.public-login-main{padding:54px 18px}.public-login-card{padding:26px}.contact-main{padding:60px 24px}.contact-intro h1{font-size:34px}.product-card,.roadmap-track{padding:22px}.product-facts>div,.roadmap-track li{grid-template-columns:1fr;gap:8px}.compare-row{grid-template-columns:80px 1fr 1fr;gap:12px;font-size:13px}.compare-head{font-size:12px}.scene-caption{left:18px;top:16px;font-size:12px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal-ready{opacity:1;transform:none}}

.scene-proof{position:absolute;right:22px;top:22px;display:grid;gap:8px;background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:8px;padding:14px 18px;font-size:13px;color:var(--ui-muted)}.scene-proof span:first-child{color:var(--ui-text);font-weight:500}@media(max-width:540px){.scene-proof{position:static;border:0;border-top:1px solid var(--ui-border);border-radius:0;grid-template-columns:1fr 1fr;gap:8px;padding:14px 16px;font-size:12px}.engineering-preview{height:auto}#engineering-scene{height:280px}.brand-slogan{font-size:11px}}

/* 原轮播标题有两至三行，预留高度避免切换时推移正文。 */
#hero-title{min-height:4.05em}#hero-description{min-height:3.8em}
html{scroll-padding-top:125px}
@media(max-width:900px){html{scroll-padding-top:185px}}
@media(max-width:540px){#hero-description{min-height:7.6em}}

/* 工程光场位于内容之后，建筑画布独立渲染，按钮可随时暂停。 */
body{position:relative;isolation:isolate}.engineering-atmosphere{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:-1}.hero{background:radial-gradient(ellipse at 50% 35%,color-mix(in srgb,var(--ui-soft) 48%,transparent),transparent 68%)}
.engineering-preview{height:520px;background:color-mix(in srgb,var(--ui-surface) 72%,transparent);box-shadow:0 24px 90px -45px color-mix(in srgb,var(--ui-primary) 38%,transparent)}
.scene-proof{background:color-mix(in srgb,var(--ui-surface) 85%,transparent);backdrop-filter:blur(12px)}
.motion-control{position:fixed;right:24px;bottom:22px;z-index:6;min-height:44px;padding:10px 17px;border:1px solid var(--ui-border);border-radius:24px;background:var(--ui-surface);color:var(--ui-muted);font:inherit;font-size:12px;cursor:pointer;box-shadow:0 4px 22px #0002}.motion-control:hover{color:var(--ui-text);border-color:var(--ui-primary)}.motion-control:disabled{cursor:default}.motion-control:focus-visible{outline:2px solid var(--ui-primary);outline-offset:4px}
@media(max-width:900px){.engineering-preview{height:440px}}
@media(max-width:540px){.engineering-preview{height:auto}#engineering-scene{height:350px}.motion-control{right:12px;bottom:12px}}
/* 内容导航：产品、场景、成果、范围与支持。 */
.site-header{max-width:1280px;gap:20px}.site-header nav{gap:22px}.site-header nav a[aria-current=page]{color:var(--ui-text)}
.wide-section{max-width:1128px;margin:0 auto;padding:76px 0}.page-intro{max-width:920px;padding:88px 24px 28px;margin:auto;text-align:center}.page-intro p{max-width:680px;margin:auto;font-size:16px;line-height:1.95;color:var(--ui-muted)}
.wide-section h2,.closing-band h2{font:500 clamp(28px,3vw,40px)/1.5 'Songti SC','STSong',serif}.wide-section h3{font-size:19px;font-weight:500;line-height:1.6}.wide-section p,.closing-band p{font-size:15px;line-height:1.95;color:var(--ui-muted)}.section-lead{max-width:720px;margin:18px 0 30px}.section-footnote{margin-top:24px;font-size:13px!important}.section-heading-inline{display:flex;align-items:center;justify-content:space-between;gap:24px}.scope-note{max-width:1080px;margin:0 auto;padding:14px 20px;font-size:12px;line-height:1.8;color:var(--ui-muted);background:var(--ui-surface);border-inline:1px solid var(--ui-border)}
.overview-section{border-bottom:1px solid var(--ui-border)}.journey-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:38px}.journey-grid article{border-top:1px solid var(--ui-border);padding-top:20px}.journey-grid span{font-size:13px;color:var(--ui-primary)}.journey-grid h3{margin:16px 0 10px}.product-choice,.split-note{display:grid;grid-template-columns:1fr 1fr;gap:80px}.product-choice p{margin:20px 0}.choice-links a{display:grid;gap:14px;padding:26px 0;border-top:1px solid var(--ui-border)}.choice-links strong{font-size:18px;font-weight:500}.choice-links span{font-size:14px;color:var(--ui-muted)}.closing-band{max-width:1128px;margin:40px auto 90px;padding:44px 36px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:16px}.closing-band p{margin-top:14px}.closing-band .action-primary{flex-shrink:0}
.scenario-list>article{display:grid;grid-template-columns:1fr 1.7fr;gap:80px;padding:56px 0;border-top:1px solid var(--ui-border)}.scenario-role{font-size:18px;line-height:1.7}.scenario-role span{display:block;font-size:13px;color:var(--ui-muted);margin-top:12px}.scenario-list p{margin:20px 0}.scenario-list dl{display:grid;grid-template-columns:90px 1fr;gap:14px;font-size:14px;line-height:1.9}.scenario-list dt{color:var(--ui-muted)}.scenario-list dd{margin:0}.split-note{border-top:1px solid var(--ui-border)}
.evidence-demo{padding:0;border:1px solid var(--ui-border);border-radius:16px;background:var(--ui-surface);overflow:hidden;margin-top:40px}.demo-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 32px}.demo-heading h2{font-family:ModuSans,sans-serif;font-size:22px}.demo-heading p{font-size:12px;margin-top:10px}.status-label{font-size:12px;padding:7px 12px;border:1px solid var(--ui-border);border-radius:20px;white-space:nowrap;color:var(--ui-muted)}.demo-switch{display:flex;gap:12px;padding:0 32px;border-bottom:1px solid var(--ui-border)}.demo-switch button{background:transparent;border:0;border-bottom:2px solid transparent;color:var(--ui-muted);min-height:48px;padding:12px 16px;font-size:14px}.demo-switch button[aria-pressed=true]{color:var(--ui-text);border-color:var(--ui-primary)}.demo-panel{padding:36px;display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;min-height:330px}.drawing-sheet{padding:20px;background:var(--ui-bg);color:var(--ui-primary);border:1px solid var(--ui-border);border-radius:8px}.drawing-sheet svg{display:block;width:100%;height:auto}.evidence-caption p{margin-top:14px}.table-scroll{overflow-x:auto;max-width:100%}table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.8;text-align:left}caption{text-align:left;padding-bottom:18px;font-size:13px;color:var(--ui-muted)}th,td{padding:16px 12px;border-bottom:1px solid var(--ui-border)}th{font-weight:500}td{color:var(--ui-muted)}.table-scroll a{text-decoration:underline;text-underline-offset:4px}.review-list{padding-left:22px;margin:0}.review-list li{padding:12px 0 18px}.review-list strong{font-weight:500}.review-list p{margin-top:9px}.deliverable-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:34px}.deliverable-grid article{padding-top:24px;border-top:1px solid var(--ui-border)}.deliverable-grid p{margin-top:12px}
.help-main{padding-bottom:40px;row-gap:36px}.help-main>.wide-section{grid-column:1/-1;width:100%;margin-inline:0;padding:50px 0}.application-layout{display:grid;grid-template-columns:1fr 1fr;gap:54px;margin-top:32px}.inquiry-form{padding:28px;display:grid;gap:20px;background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:12px}.inquiry-form label{display:grid;gap:9px;font-size:14px}.inquiry-form input,.inquiry-form select,.inquiry-form textarea{box-sizing:border-box;width:100%;min-width:0;padding:12px;background:var(--ui-bg);color:var(--ui-text);border:1px solid var(--ui-border);border-radius:6px;font:inherit}.inquiry-form textarea{resize:vertical}.inquiry-form textarea:focus-visible,.inquiry-form select:focus-visible{outline:2px solid var(--ui-primary);outline-offset:4px}.inquiry-form #inquiry-result{display:grid;gap:12px}.faq-section details{border-bottom:1px solid var(--ui-border);padding:22px 0}.faq-section h2{margin-bottom:18px}.faq-section summary{cursor:pointer;font-size:17px;line-height:1.7;padding:5px 0}.faq-section details p{margin:16px 0 4px;max-width:850px}.login-help{margin-top:24px}.login-help a{text-decoration:underline}.contact-methods p:empty::after{content:'联系方式更新中';font-size:13px}.site-footer{flex-wrap:wrap}.site-footer nav{gap:18px}
@media(max-width:1200px){.wide-section{margin-inline:36px}.closing-band{margin-inline:36px}.site-header nav{gap:14px}.site-header{gap:14px}}
@media(max-width:1100px){.site-header{flex-wrap:wrap;border-radius:22px}.site-brand{margin-right:auto}.site-header nav{order:3;width:100%;justify-content:center;margin:0;flex-wrap:wrap}.product-choice,.split-note{gap:40px}html{scroll-padding-top:190px}}
@media(max-width:760px){.page-intro{padding-top:54px}.wide-section{padding-block:48px;margin-inline:24px}.section-heading-inline,.closing-band{align-items:flex-start;flex-direction:column}.journey-grid{grid-template-columns:1fr 1fr;gap:26px}.product-choice,.split-note,.scenario-list>article,.application-layout,.demo-panel{grid-template-columns:1fr;gap:28px}.scenario-list>article{padding-block:34px}.scenario-list dl{grid-template-columns:1fr;gap:6px}.scenario-list dd{margin-bottom:10px}.closing-band{margin:24px 24px 60px;padding:28px}.demo-heading{padding:22px;align-items:flex-start;flex-direction:column;gap:12px}.demo-heading h2{font-size:20px}.demo-switch{padding:0 12px;gap:2px}.demo-switch button{padding:12px 10px;font-size:13px}.demo-panel{padding:22px}.drawing-sheet{padding:8px}.evidence-demo{padding:0}.deliverable-grid{grid-template-columns:1fr;gap:24px}.help-main>.wide-section{margin-inline:0}.inquiry-form{padding:22px}.contact-main{min-width:0}.application-layout>*{min-width:0}.table-scroll table{min-width:540px}.demo-panel .table-scroll table{min-width:430px}}
@media(max-width:540px){.site-header nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 8px;overflow:visible}.site-header nav a{text-align:center;font-size:12px;padding:10px 0}.site-header nav .workbench-tab{font-size:12px}.scope-note{font-size:11px}.journey-grid{grid-template-columns:1fr 1fr;gap:24px 18px}.journey-grid h3{font-size:17px}.page-intro h1{font-size:35px}.hero-actions{flex-wrap:wrap}html{scroll-padding-top:235px}.contact-main{padding-top:50px}}
button.action-text{background:transparent;border:1px solid var(--ui-border);border-radius:6px;justify-content:center;padding:10px 16px}button.action-text:hover{border-color:var(--ui-primary)}summary:focus-visible{outline:2px solid var(--ui-primary);outline-offset:4px}

.site-brand img{width:176px;height:58px;padding:5px 9px}.site-brand{flex-direction:row;gap:0}.performance-section{padding-top:60px;padding-bottom:60px;border-top:1px solid var(--ui-border);border-bottom:1px solid var(--ui-border)}.performance-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:28px;margin:34px 0}.performance-grid article+article{border-left:1px solid var(--ui-border);padding-left:28px}.performance-grid p{color:var(--ui-muted);margin:0 0 14px;font-size:16px}.performance-grid strong{display:block;color:var(--ui-text);font-size:clamp(36px,4.5vw,66px);font-weight:600;letter-spacing:-.04em;line-height:1.12;font-variant-numeric:tabular-nums;white-space:nowrap}.performance-grid small{font-size:19px;margin-left:8px;font-weight:400;letter-spacing:0}.inquiry-form small{font-size:12px;color:var(--ui-muted)}#inquiry-status{min-height:1.6em;overflow-wrap:anywhere}.inquiry-form button:disabled{opacity:.65;cursor:wait}
@media(max-width:700px){.site-brand img{width:134px;height:45px}.performance-grid{grid-template-columns:1fr;gap:24px}.performance-grid article+article{border-left:0;border-top:1px solid var(--ui-border);padding:24px 0 0}.performance-grid article{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.performance-grid strong{font-size:38px}.performance-grid p{font-size:13px}.performance-grid small{font-size:14px;margin-left:4px}.performance-section{padding-top:36px;padding-bottom:36px}}

.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px;row-gap:0;margin-top:30px}.case-grid article{display:grid;grid-row:span 7;grid-template-rows:subgrid;min-width:0;padding:28px 0;border-top:1px solid var(--ui-border)}.case-grid h3{font-size:24px;font-weight:500;margin:0 0 18px}.case-grid p{margin:0;color:var(--ui-muted);font-size:14px;line-height:1.85;max-width:40em}.case-grid dl{display:grid;grid-row:span 5;grid-template-rows:subgrid;margin:26px 0 0}.case-grid dl>div{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:12px 0;border-bottom:1px solid var(--ui-border)}.case-grid dt{flex-shrink:0;color:var(--ui-muted);font-size:13px}.case-grid dd{min-width:0;overflow-wrap:anywhere;margin:0;text-align:right;font-size:15px}.case-grid dd strong{font-size:38px;font-weight:500;letter-spacing:-.04em;font-variant-numeric:tabular-nums}.project-cases{padding-top:48px;padding-bottom:40px}@media(max-width:700px){.case-grid{grid-template-columns:1fr;gap:16px}.case-grid article,.case-grid dl{display:block;grid-row:auto}.case-grid h3{font-size:21px}}

/* 专业比赛测试：原始成绩与用时并列，主题色同步，窄屏表格可独立滚动。 */
.competition-section{border-top:1px solid var(--ui-border);padding-top:48px}.competition-list{display:grid;gap:24px;margin-top:32px}.competition-card{display:grid;grid-template-columns:280px minmax(0,1fr);border:1px solid var(--ui-border);border-radius:16px;background:var(--ui-surface);overflow:hidden}.competition-summary{padding:28px;border-right:1px solid var(--ui-border)}.competition-summary h3{font-size:22px;font-weight:500}.competition-summary .competition-label{margin:18px 0 10px;color:var(--ui-link);font-size:14px}.competition-metrics{display:flex;align-items:baseline;gap:24px;font-variant-numeric:tabular-nums}.competition-metrics strong{font-size:32px;font-weight:500;white-space:nowrap}.competition-metrics small{font-size:13px;font-weight:400;margin-left:5px;color:var(--ui-muted)}.competition-summary .competition-context{font-size:12px;line-height:1.7;color:var(--ui-muted);margin-top:16px}.competition-table{min-width:0;padding:20px 24px;align-self:center}.competition-table table{font-size:14px;font-variant-numeric:tabular-nums}.competition-table caption{text-align:left;font-size:13px;color:var(--ui-muted);padding:0 0 14px}.competition-table th,.competition-table td{white-space:nowrap;padding:13px 10px}.competition-table th[scope=row]{font-weight:500;color:var(--ui-text)}.competition-table .competition-ai{background:var(--ui-soft);color:var(--ui-link)}.competition-table .competition-ai th{color:var(--ui-link);font-weight:600}.competition-section>.section-footnote{margin-top:22px}
@media(max-width:1000px){.competition-card{grid-template-columns:1fr}.competition-summary{border-right:0;border-bottom:1px solid var(--ui-border)}.competition-metrics strong{font-size:36px}.competition-table{padding:20px}.competition-table table{min-width:420px}}
@media(max-width:760px){.competition-summary{padding:24px}.competition-section .status-label{white-space:normal;line-height:1.6}.competition-section .section-lead{font-size:16px}.competition-section h2{text-wrap:balance}}

.competition-duration{display:inline-block;white-space:nowrap}.competition-summary .competition-metrics{color:var(--ui-text)}

/* 四阶段文案与流程场景保持稳定布局。 */
.hero-content #hero-title{min-height:2.7em}.hero-subtitle{text-wrap:balance;min-height:3.2em;display:flex;align-items:center;justify-content:center}.hero-content #hero-description{min-height:5.7em}.scene-proof{max-width:260px}.scene-proof span{line-height:1.5}.hero-bottom .stage-switch button{min-width:64px;justify-content:center}
@media(max-width:540px){.hero-content #hero-description{min-height:7.6em}.scene-proof{max-width:none;grid-template-columns:1fr}.hero-bottom .stage-switch button{min-width:52px}.scene-caption small{font-size:10px}.scene-caption{right:18px}}

/* 诗性宣传语与业务说明分层，沿用工程展示页的字体与主题。 */
.page-intro .marketing-subtitle,.contact-intro .marketing-subtitle,.hero-content .marketing-subtitle{font-size:19px;line-height:1.9;color:var(--ui-text);text-wrap:balance}
.page-intro .intro-description,.contact-intro .intro-description{margin-top:18px}
.product-tagline{font:500 23px/1.7 'Songti SC','STSong',serif;color:var(--ui-text);text-wrap:balance}
.evidence-intro{padding-bottom:0}.evidence-intro h2{text-wrap:balance}
@media(max-width:540px){.page-intro .marketing-subtitle,.contact-intro .marketing-subtitle,.hero-content .marketing-subtitle{font-size:17px}.product-tagline{font-size:21px}}

.poetic-phrase{display:inline-block;white-space:nowrap}

/* 同一框架的数量与价款明细：保留文字表格，窄屏在表内横向滚动。 */
.engineering-preview.ledger-visible{height:auto;min-height:520px;padding-top:132px}
.ledger-visible #engineering-scene{position:absolute;inset:0;visibility:hidden}
.engineering-ledger{padding:0 24px 26px;color:var(--ui-text)}.engineering-ledger[hidden]{display:none}
.ledger-intro{font-size:16px;line-height:1.7;margin:0 0 18px;color:var(--ui-primary)}
.ledger-scroll{overflow-x:auto;max-width:100%;border:1px solid var(--ui-border);border-radius:8px}
.engineering-ledger table{min-width:990px;font-size:13px;font-variant-numeric:tabular-nums}
.engineering-ledger caption{padding:12px 14px;font-size:12px;background:var(--ui-surface)}
.engineering-ledger th,.engineering-ledger td{padding:13px 12px;white-space:nowrap}
.engineering-ledger td:nth-child(n+4),.engineering-ledger thead th:nth-child(n+4){text-align:right}
.engineering-ledger tbody tr:nth-child(odd){background:var(--ui-soft)}
.quantity-only .cost-column{display:none}.quantity-only table{min-width:740px}
.ledger-total{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:22px 0 10px;font-size:14px;line-height:1.8}
.ledger-total strong{display:block;font-size:25px;font-weight:500;color:var(--ui-primary)}
.ledger-notes{font-size:12px;line-height:1.9;color:var(--ui-muted);margin:12px 0 0;max-width:960px}
@media(max-width:540px){.engineering-preview.ledger-visible{padding-top:88px}.engineering-ledger{padding:0 14px 22px}.ledger-visible .scene-proof{display:none}.ledger-intro{font-size:13px}.ledger-total{font-size:13px}.ledger-total strong{font-size:22px}}

[data-theme=dark] .ledger-intro,[data-theme=dark] .ledger-total strong{color:#68deec}

/* Harness 产品入口与主站导航分组：额外半个导航间距。 */
.site-header{max-width:1320px;flex-wrap:wrap}.site-header nav{flex-wrap:wrap}.site-header nav .harness-nav{margin-left:13px;color:var(--ui-link)}.site-header nav .harness-nav:hover,.site-header nav .harness-nav.active{color:var(--ui-link)}@media(max-width:540px){.site-header nav .harness-nav{margin-left:4px}}

[data-theme="light"] .site-header nav .harness-nav{color:var(--ui-link)}[data-theme="light"] .site-header nav .harness-nav:hover{color:var(--ui-link)}

/* 所有官网页面的 Harness 品牌入口统一粉紫色，其余控件沿用页面主题。 */
body .site-header nav :is(.harness-nav,.harness-nav:hover,.harness-nav.active){color:#df7cf2}
[data-theme="light"] body .site-header nav :is(.harness-nav,.harness-nav:hover,.harness-nav.active){color:#8d2da8}

/* 网站导航采用小圆角矩形，统一容器、选中态与登录操作。 */
body .site-header{border-radius:12px;gap:16px}
body .site-header nav{gap:12px}
body .site-header .site-brand img,body .site-header .site-brand,body .site-header .login-link,body .site-header nav a,body .site-header nav a.active,body .site-header nav a[aria-current="page"]{border-radius:6px}
.notices-main{max-width:1320px;margin:0 auto;padding:80px 40px 100px;min-height:65vh}
.notices-heading{margin-bottom:56px}.notices-heading h1{font-size:clamp(32px,4vw,52px);margin:16px 0}.notices-heading p{color:var(--ui-muted)}
.notice-entry{display:grid;grid-template-columns:minmax(170px,.8fr) minmax(0,2fr);gap:64px;border-top:1px solid var(--ui-border);padding:48px 0}
.notice-entry:last-child{border-bottom:1px solid var(--ui-border)}
.notice-date{display:block;color:var(--ui-primary);font-size:26px;font-weight:600;font-variant-numeric:tabular-nums}.notice-time{display:block;margin-top:10px;color:var(--ui-muted);font-size:16px;font-weight:400}
.notice-copy h2{font-size:clamp(22px,2.2vw,32px);line-height:1.5;margin:0 0 22px;overflow-wrap:anywhere}.notice-body{white-space:pre-wrap;line-height:1.9;color:var(--ui-muted);font-size:17px;overflow-wrap:anywhere}
@media(max-width:600px){.notices-main{padding:45px 22px}.notice-entry{grid-template-columns:1fr;gap:22px;padding:30px 0}.notice-date{font-size:22px}.notice-time{margin-top:6px}.notice-body{font-size:16px}}

.notices-pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin-top:40px;flex-wrap:wrap}.notices-pagination[hidden]{display:none}.notices-pagination button{border:1px solid var(--ui-border);border-radius:6px;padding:10px 18px;background:var(--ui-surface);color:var(--ui-text);font:inherit;cursor:pointer;min-height:44px}.notices-pagination button:hover:not(:disabled){border-color:var(--ui-primary);background:var(--ui-soft)}.notices-pagination button:disabled{opacity:.45;cursor:default}.notices-pagination span{color:var(--ui-muted);font-variant-numeric:tabular-nums}

/* 公开页面操作组与后台保持同一右侧对齐节奏。 */
.hero-actions,.notices-pagination{justify-content:flex-end;gap:12px}
.hero-actions .action-primary,.hero-actions .action-text,.notices-pagination button{min-height:44px;border-radius:6px}
#public-login>.action-primary,.inquiry-form>.action-primary{display:flex;width:fit-content;min-width:120px;margin-left:auto;border-radius:6px;min-height:44px}
@media(max-width:540px){.hero-actions,.notices-pagination{gap:8px;flex-wrap:wrap}}

/* 公开页面共用首页宽度；本文件不由后台、工作台或构件管理页加载。 */
:root{--public-content-max:1128px;--public-gutter:36px;scrollbar-gutter:stable}
@media(max-width:760px){:root{--public-gutter:24px}}
body>.site-header,body>.site-footer,
body>main:is(.notices-main,.contact-main,.public-login-main),
body>main:not(.contact-main)>:is(.hero,.page-intro,.wide-section,.content-section,.statement,.product-compare,.closing-band,.harness-hero,.harness-features,.harness-benchmark){
  width:calc(100% - var(--public-gutter)*2);max-width:var(--public-content-max);margin-inline:auto;min-width:0;
}
body>.site-footer,
body>main:is(.notices-main,.contact-main,.public-login-main),
body>main:not(.contact-main)>:is(.hero,.page-intro,.wide-section,.content-section,.statement,.product-compare,.harness-hero,.harness-features,.harness-benchmark){padding-inline:0}
/* 嵌套展示区继承外层容器，避免再次扣除左右留白。 */
body>main>.hero>:is(.engineering-preview,.hero-bottom,.scope-note),
body>.contact-main>:is(.wide-section,.closing-band){width:100%;max-width:none;margin-inline:0;min-width:0}
body>.contact-main>.closing-band{grid-column:1/-1}