/* Original visual system: warm paper labels against a dark instrument bench. */
:root{--studio-mint:#a3dec6;--studio-gold:#dcc29a}
[data-theme=dark]{--bg:#10191d;--surface:#162329;--text:#eef1e9;--muted:#9eafad;--line:#30413f;--accent:var(--studio-mint);--soft:#203632}
body{background-image:radial-gradient(ellipse at 80% 8%,#22403b25,transparent 38%)}
.wrap{max-width:1336px;padding-inline:48px}.nav{height:82px}.nav-links{gap:28px}.brand-mark{display:none}.brand{font-size:25px}.site-header{background:#10191df2}.nav-links a{transition:color .2s}.nav-links a:last-child{color:var(--accent)}
.hero{padding:85px 0 70px;grid-template-columns:.95fr 1.05fr;gap:54px;min-height:680px}.hero .eyebrow{color:var(--studio-gold);font-size:10px;letter-spacing:2.3px}.hero h1{font-size:clamp(42px,4.5vw,67px);line-height:1.24;letter-spacing:-2.6px;margin-top:30px}.hero .intro{font-size:14px;line-height:2;max-width:410px}.hero .actions{margin-top:28px}.hero .primary{padding:15px 21px;border-radius:4px;font-weight:600}.hero-hint{font-size:11px;color:var(--muted)}.hero .simulator-entrance{margin-top:25px}.simulator-entrance a{font-size:12px}.simulator-entrance small{font-size:10px;line-height:1.7}.subnote{font-size:9px;opacity:.7}
#hero-lab{min-width:0;position:relative;border:1px solid #40554d;border-radius:8px;background:#142127;overflow:hidden;box-shadow:20px 25px 0 #080e112a}#hero-lab:before{content:'FEATURED BUILD / 01';display:block;padding:19px 22px;border-bottom:1px solid var(--line);font:10px Consolas,monospace;letter-spacing:2px;color:var(--studio-gold)}#hero-lab:after{content:'车载平衡滚球 · 视觉反馈 × 行驶控制';display:block;padding:18px 22px;font-size:11px;border-top:1px solid var(--line);color:var(--muted)}.hero-demo{display:block;width:100%;height:420px;border:0;background:#142127}
.projects{padding-top:46px}.section-head h2{font-size:32px;letter-spacing:-1px}.section-head p{font-size:12px}.section-label{color:var(--studio-gold);font-size:10px;letter-spacing:1.5px}.filter-row{margin:30px 0 28px;gap:9px}.filter-row button{padding:9px 15px;border-radius:20px;font-size:11px}.filter-row button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#102a22}.cards{gap:28px}.card{border-radius:6px!important;background:#142127}.card-art{height:267px;background-color:#1d302f}.card-content{padding:27px 28px}.card h3{font-size:23px;margin-top:16px;line-height:1.5}.card p{font-size:13px;line-height:1.9;max-width:470px}.card-topline{font-size:9px;color:var(--studio-gold)}.card-bottom{padding-top:18px;margin-top:23px;font-size:11px}.card-open{font-size:12px}.tags span{border:0;padding:5px 8px;background:#223631;color:#afc4ba;border-radius:3px}.project-preview .preview-action{background:#111c21e6;border:1px solid #648479;color:var(--text);border-radius:4px;padding:9px 13px;font-size:11px}.art-label{letter-spacing:1.3px}.art-num{font-size:13px}.card:hover{transform:translateY(-3px);border-color:#779c89}.card .matrix{transform:rotate(-6deg)}.card .car-svg{height:250px}.card-mechanics{padding-inline:25px}
.lab-invitation{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:40px;margin:0 0 70px;border:1px solid #536b60;border-radius:6px;background:linear-gradient(110deg,#1e3931,#15262a)}.lab-invitation h2{font-size:31px;margin:16px 0}.lab-invitation p{font-size:13px;color:var(--muted);line-height:1.9;max-width:600px}.lab-invitation>a{display:flex;align-items:center;justify-content:space-between;gap:35px;white-space:nowrap;background:#a3dec6;color:#102c23;padding:17px 20px;border-radius:4px;font-size:13px}.lab-invitation>a span{font-size:24px}
.method-section{padding:0;background:none;border:0}.method-section h2{font-size:29px;max-width:540px;line-height:1.5}.methods{gap:40px}.method{padding-top:22px}.method h3{font-size:17px;line-height:1.7}.method p{font-size:13px}.about{padding-top:50px;gap:60px}.about h2{font-size:30px}.about p{font-size:14px;line-height:2}.footer{padding-top:30px}.evidence-link{display:inline-flex;color:var(--accent);font-size:12px;line-height:1.8;border-bottom:1px solid #789d83;margin-top:25px;padding-bottom:6px}.simulator-open-link{font-size:12px!important;padding:13px 15px!important;background:#223831;border:1px solid #4c6c5c;border-radius:4px;text-align:center;margin-bottom:18px!important}
dialog{width:min(1060px,calc(100% - 32px));border-radius:7px}.project-dialog-heading h2{max-width:720px}.dialog-body{padding:30px}.project-summary{max-width:780px}.project-tabs{margin-top:24px}.simulator-embed{min-height:480px}.project-notes{max-width:780px;margin:auto}.detail-flow{border-radius:4px}.project-notes h3{font-size:19px}.project-notes p{font-size:14px}
@media(max-width:1050px){.wrap{padding-inline:28px}.hero{gap:28px;padding-top:55px}.hero h1{font-size:47px}.hero-demo{height:430px}.nav-links{gap:18px}.card h3{font-size:21px}.lab-invitation{padding:30px;gap:25px}.lab-invitation h2{font-size:27px}}
@media(max-width:800px){.hero{grid-template-columns:1fr;padding-block:45px}.hero-copy{max-width:620px}.hero h1{font-size:54px}.hero-demo{height:440px}.hero .intro{max-width:560px}.subnote{margin-top:20px}.hero .simulator-entrance{display:none}.cards{gap:20px}.card-art{height:230px}.card-content{padding:22px}.card h3{font-size:20px}.lab-invitation{align-items:flex-start;flex-direction:column}.lab-invitation p{margin-bottom:0}.methods{gap:22px}.nav-links{font-size:12px}.hero{min-height:0}.hero-hint{margin-bottom:0}}
@media(max-width:520px){.wrap{padding-inline:20px}.site-header .nav-links{gap:18px}.nav-links a[href='#method'],.nav-links a[href='#about']{display:none}.nav{height:69px}.brand{font-size:23px}.hero{padding:42px 0 45px;gap:34px}.hero h1{font-size:43px;letter-spacing:-1.5px}.hero .intro{font-size:13px;line-height:1.95}.hero .intro br{display:none}.hero .actions{gap:19px}.hero-demo{height:485px}#hero-lab:before,#hero-lab:after{padding:15px;font-size:9px}.section-head h2{font-size:29px}.projects{padding-top:30px}.filter-row{margin-top:25px;gap:7px}.filter-row button{padding:8px 12px;font-size:10px}.card-art{height:240px}.card h3{font-size:22px}.card p{font-size:13px}.card-bottom{font-size:10px}.lab-invitation{padding:25px;margin-bottom:48px}.lab-invitation h2{font-size:27px}.lab-invitation>a{width:100%;padding:14px 17px}.method-section h2{font-size:25px}.methods{grid-template-columns:1fr}.about{gap:24px}.about h2{font-size:28px}.about p{font-size:13px}.dialog-body{padding:20px}.project-notes p{font-size:13px}.project-tabs button{font-size:12px}.simulator-embed{min-height:520px}.footer-left{font-size:9px}}