:root{--ink:#1d3e39;--muted:#596e62;--bg:#f5f5ed;--paper:#fffef9;--teal:#21695e;--deep:#174f48;--lime:#dceaac;--blue:#5b9eac;--line:#dde4d8;--red:#a43f37;--gold:#b27e33;--radius:18px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Segoe UI','Microsoft JhengHei','PingFang TC',Arial,sans-serif;font-size:14px;line-height:1.7}
button,input,select,textarea{font:inherit}
button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}
button,a{touch-action:manipulation}
button{cursor:pointer}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4,p{margin:0}
h1{font-size:34px;line-height:1.35;letter-spacing:-.9px}
h2{font-size:22px;letter-spacing:-.4px;line-height:1.45}
h3{font-size:17px;line-height:1.5}
h4{font-size:14px}
p{color:var(--muted)}
small{font-size:12px}
button:disabled{opacity:.48;cursor:not-allowed}
:focus-visible{outline:3px solid #dfaa4b;outline-offset:3px}
input,select,textarea{color:var(--ink);background:#fffefb;border:1px solid #cad6c9;border-radius:9px;padding:10px 12px;max-width:100%;min-width:0}
input[type=checkbox]{accent-color:var(--teal);width:18px;height:18px}
textarea{width:100%;min-height:85px;resize:vertical}
input[type=range]{padding:0;width:100%;accent-color:var(--teal);min-height:24px}
label{display:block;font-size:13px;font-weight:600}
label small{font-weight:400;color:var(--muted)}
label>input:not([type=checkbox]):not([type=range]),label>select,label>textarea{display:block;width:100%;margin-top:7px}
.skip{position:fixed;top:-60px;inset-inline-start:10px;z-index:999;background:white;padding:12px}
.skip:focus{top:10px}
.loading{padding:15vh 8vw}
.topbar{height:82px;background:#fffef9;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;gap:16px;position:sticky;top:0;z-index:30}
.brand{display:flex;gap:12px;align-items:center;color:var(--ink)}
.brand-icon{height:42px;width:42px;border-radius:12px;display:grid;place-items:center;flex-shrink:0}
.brand strong{font-size:21px;letter-spacing:.07em;font-weight:650}
.brand small{display:block;line-height:1.5;letter-spacing:.11em;font-size:10px;color:var(--muted)}
.brand-line{height:28px;width:1px;background:var(--line);margin:0 8px}
.brand .lab{font-size:20px;letter-spacing:-.5px;font-weight:500}
.top-actions{display:flex;gap:12px;align-items:center}
.top-actions select{border:none;background:transparent;font-size:13px;max-width:120px;min-height:44px}
.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#79a568;margin-inline-end:6px}
.local-pill{font-size:12px;background:#eef2e7;padding:6px 12px;border-radius:20px;white-space:nowrap}
.layout{display:grid;grid-template-columns:224px minmax(0,1fr);min-height:calc(100vh - 82px)}
.sidebar{padding:27px 19px;background:#fafbf4;border-inline-end:1px solid var(--line);position:sticky;top:82px;height:calc(100vh - 82px);display:flex;flex-direction:column;overflow-y:auto}
.nav-label{font-size:11px;letter-spacing:.1em;color:#596e62;margin:10px 13px 11px}
.nav-list{display:grid;gap:5px}
.nav-link{display:flex;align-items:center;gap:12px;color:#596e62;padding:11px 13px;border-radius:9px;font-size:14px;min-height:46px}
.nav-link svg{width:18px;height:18px;stroke-width:1.8;flex-shrink:0}
.nav-link.active{background:#e3ecdb;color:#235547;font-weight:700}
.nav-link:hover{background:#edf1e5;text-decoration:none}
.nav-number{font-size:11px;background:#f4f7eb;padding:0 6px;border-radius:4px;margin-inline-start:auto}
.sidebar-bottom{margin-top:auto;padding:26px 10px 0}
.ecosystem{border-top:1px solid var(--line);padding-top:16px;font-size:12px;display:grid;gap:7px}
.atsave{font-size:12px;letter-spacing:.12em;color:#596e62;margin-top:23px}
.main{padding:30px 40px 60px;max-width:1570px;width:100%;margin-inline:auto;min-width:0}
.breadcrumb{font-size:12px;color:#596e62;display:flex;align-items:center;gap:8px;margin-bottom:24px;flex-wrap:wrap}
.breadcrumb span{color:#3e6254}
.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.page-heading p{margin-top:8px;font-size:14px;max-width:780px;line-height:1.8}
.eyebrow{font-size:11px;letter-spacing:.14em;color:var(--teal);font-weight:700;margin-bottom:11px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #cbd9ca;border-radius:9px;background:#fffef9;color:var(--ink);padding:11px 17px;font-weight:600;font-size:13px;line-height:1.4;min-height:44px;text-decoration:none}
.button:hover{background:#edf2e7;text-decoration:none}
.button.primary{background:var(--deep);border-color:var(--deep);color:white}
.button.primary:hover{background:#24665a}
.button.lime{background:var(--lime);border-color:var(--lime);color:var(--deep)}
.button.quiet{border-color:transparent;background:transparent;padding:10px 8px}
.button.small{font-size:12px;padding:8px 12px;min-height:40px}
.button.danger{color:var(--red)}
.button svg{width:15px;height:15px}
.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:9px}
.hero{display:grid;grid-template-columns:1.05fr 1.1fr;align-items:center;background:#e8eee0;border:1px solid #d9e2cc;border-radius:20px;min-height:390px;overflow:hidden;position:relative;margin-bottom:25px}
.hero-copy{padding:36px 0 36px 36px;z-index:2}
.hero h1{font-size:38px;letter-spacing:-.04em;line-height:1.45;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero-copy p{font-size:15px;line-height:1.85;max-width:420px;margin-bottom:24px}
.hero .scene-host{height:345px}
.hero-mark{position:absolute;right:24px;bottom:16px;font-size:10px;letter-spacing:.08em;color:#596e62}
.hero-note{font-size:12px!important;margin-top:14px;margin-bottom:0!important;color:#596e62}
.workflow{display:grid;grid-template-columns:repeat(4,1fr);background:#fffef9;border:1px solid var(--line);border-radius:14px;margin-bottom:36px;padding:18px 4px}
.workflow-step{display:flex;align-items:center;gap:12px;padding:4px 18px;border-inline-end:1px solid var(--line)}
.workflow-step:last-child{border:0}
.step-dot{width:32px;height:32px;border-radius:50%;border:1px solid #ced9c6;display:grid;place-items:center;font-size:12px;flex-shrink:0;font-weight:600}
.workflow-step:first-child .step-dot{background:var(--deep);color:white;border-color:var(--deep)}
.workflow-step strong{font-size:14px;display:block}
.workflow-step small{font-size:12px;color:#596e62;display:block;margin-top:2px;line-height:1.6}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 16px;gap:20px}
.section-heading p{font-size:14px;margin-top:4px}
.section-heading h2{font-size:22px}
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #234f3c12;border-color:#bacbb6}
.case-visual{height:160px;position:relative;overflow:hidden;background:#e8eeea;flex-shrink:0}
.case-visual img{width:100%;height:100%;object-fit:cover;filter:saturate(.9);opacity:1;object-position:center 52%}
.case-visual:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#14392a18,transparent 40%);pointer-events:none}
.case-no{position:absolute;inset-inline-start:14px;top:12px;z-index:1;font:600 11px/1.4 'Segoe UI',sans-serif;background:#fffef4f2;border-radius:5px;padding:5px 8px;letter-spacing:.06em}
.case-body{padding:20px 20px 14px;display:flex;flex-direction:column;flex:1;align-items:flex-start}
.case-body h3{font-size:17px;margin:9px 0 8px;line-height:1.5}
.case-body p{font-size:14px;line-height:1.8;min-height:50px;margin-bottom:16px}
.case-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e7ebdf;margin-top:auto;padding-top:6px;font-size:12px;color:#596e62;width:100%;gap:8px;flex-wrap:wrap}
.case-foot a{font-size:13px;font-weight:700;min-height:44px;display:inline-flex;align-items:center;padding:4px 0}
.tag{font-size:11px;display:inline-flex;align-items:center;border-radius:5px;background:#eef2e6;color:#53715b;padding:4px 8px;line-height:1.4;font-weight:600}
.tag.blue{background:#e8f2f2;color:#3e6873}
.tag.amber{background:#f7eed9;color:#795b22}
.tag.red{background:#f8e8e3;color:var(--red)}
.tag.dark{background:var(--deep);color:white}
.note{padding:13px 16px;border:1px solid #e5dfc7;background:#faf6e9;border-radius:10px;font-size:12px;color:#71623a;line-height:1.75;margin:16px 0}
.note.info{background:#edf4ef;border-color:#d9e3d6;color:#47654e}
.note.error{background:#fcf0ec;border-color:#edcfc2;color:var(--red)}
.note strong{display:block;margin-bottom:3px}
.bottom-strip{display:flex;align-items:center;gap:15px;border:1px solid var(--line);background:#eef1e6;border-radius:13px;margin-top:27px;padding:22px 24px}
.bottom-strip .strip-icon{width:39px;height:39px;display:grid;place-items:center;background:#dfe9d4;border-radius:10px;font-size:21px}
.bottom-strip p{font-size:13px;margin-top:3px}
.bottom-strip .button{margin-inline-start:auto;flex-shrink:0}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}
.panel+.panel{margin-top:18px}
.panel h3{margin-bottom:12px;font-size:18px}
.panel p{font-size:14px;line-height:1.8}
.panel-header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}
.panel-header h3{margin:0}
.two-col{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,1fr);gap:20px}
.two-col.equal{grid-template-columns:1fr 1fr}
.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px}
.tabs button{border:1px solid var(--line);border-radius:8px;background:#fffdf6;color:#526e59;font-size:13px;padding:10px 14px;min-height:44px}
.tabs button.active{background:var(--deep);border-color:var(--deep);color:white}
.scene-panel{padding:0;overflow:hidden;background:radial-gradient(ellipse at 50% 38%,#f4f6eb,#e7ecde)}
.scene-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:17px 20px 0}
.scene-toolbar .segmented{display:flex;background:#ffffffbb;padding:3px;border:1px solid #d5dfce;border-radius:8px}
.segmented button{border:0;border-radius:5px;padding:7px 13px;color:#526e59;background:transparent;font-size:12px;min-height:38px}
.segmented button.active{background:var(--deep);color:white}
.scene-host{position:relative;height:330px;overflow:hidden}
.scene-host canvas{display:block;width:100%;height:100%;touch-action:pan-y;cursor:grab}
.scene-host canvas:active{cursor:grabbing}
.scene-fallback{height:100%;display:grid;align-content:center;text-align:center;font-size:24px;color:var(--teal)}
.scene-controls{display:flex;align-items:center;justify-content:center;gap:7px;padding:0 15px 18px;flex-wrap:wrap}
.scene-controls small{font-size:12px;color:#596e62;line-height:1.7}
.scene-caption{font-size:13px;padding:14px 20px;background:#ffffffa6;border-top:1px solid #dce5d5;color:#596e62;line-height:1.75}
.param{margin-bottom:20px}
.param-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.param label{font-size:14px;color:#58705c}
.param output{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}
.param output small{font-size:12px;font-weight:400;color:#596e62}
.param-scale{display:flex;justify-content:space-between;font-size:12px;color:#596e62;margin-top:5px}
.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:20px 0}
.metric{border:1px solid var(--line);border-radius:12px;background:#fffef9;padding:18px 16px}
.metric small{color:var(--muted);font-size:12px}
.metric strong{display:block;font-size:28px;line-height:1.45;font-weight:600;letter-spacing:-1px;font-variant-numeric:tabular-nums;margin:6px 0}
.metric strong span{font-size:12px;letter-spacing:0;margin-inline-start:5px;color:var(--muted);display:inline-block;font-weight:400}
.metric p{font-size:12px;line-height:1.6}
.metric.good strong{color:var(--teal)}
.metric.bad strong{color:var(--red)}
.bar-row{margin:12px 0}
.bar-label{display:flex;justify-content:space-between;gap:12px;font-size:12px;margin-bottom:5px}
.bar{height:13px;border-radius:4px;background:#edf0e6;overflow:hidden}
.bar>span{display:block;height:100%;background:#9fae98;transition:width .3s;border-radius:4px}
.bar.after>span{background:var(--teal)}
.fine{font-size:12px;color:var(--muted);line-height:1.8}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-grid .full{grid-column:1/-1}
.check{display:flex;align-items:flex-start;gap:8px;font-size:12px;font-weight:400}
.check input{flex-shrink:0;margin-top:3px}
.check-list{display:grid;gap:12px}
.help{font-size:12px;color:#596e62;margin-top:6px}
.field{margin-bottom:16px}
.field:last-child{margin-bottom:0}
details{border-top:1px solid var(--line);margin-top:18px;padding-top:13px}
summary{font-size:12px;font-weight:600;cursor:pointer;color:var(--teal)}
details p{margin:10px 0}
table{width:100%;border-collapse:collapse;font-size:13px;text-align:start}
th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top;overflow-wrap:anywhere}
th{font-size:12px;letter-spacing:.02em;color:#596e62;background:#f3f5eb}
td{color:#44604e}
.table-scroll{overflow:auto;max-width:100%}
.table-scroll table{min-width:480px}
.table-scroll.compact table{min-width:0}
.pill-list{display:flex;gap:7px;flex-wrap:wrap}
.atlas-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.atlas-card{background:var(--paper);border:1px solid var(--line);border-radius:15px;overflow:hidden}
.atlas-card>img{height:160px;width:100%;object-fit:cover}
.atlas-content{padding:18px}
.atlas-content p{font-size:14px;margin:7px 0 15px}
.atlas-content h3{font-size:18px}
.system-flow{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap;margin:18px 0}
.system-flow>div{flex:1;min-width:110px;padding:15px 10px;border:1px solid #c6d6c7;background:#edf2e7;border-radius:9px;text-align:center;font-size:12px;position:relative}
.system-flow>div:not(:last-child):after{content:'→';position:absolute;right:-10px;top:30%;z-index:1;color:#658b73}
.photo-detail{width:100%;height:245px;object-fit:cover;border-radius:12px;margin-bottom:12px}
.attribution{font-size:12px;line-height:1.6;color:#596e62}
.diagram{width:100%;height:auto;display:block;background:#f4f6ed;border:1px solid #d4e0cf;border-radius:13px;touch-action:none}
.diagram .device{cursor:grab}
.diagram .device.selected rect{stroke:#d69939;stroke-width:3}
.diagram text{font-family:Arial,sans-serif}
.zone-legend{display:flex;gap:15px;flex-wrap:wrap;font-size:12px;color:#596e62;margin:12px 0}
.zone-legend span:before{content:'';display:inline-block;width:9px;height:9px;background:#e2edcf;margin-inline-end:6px}
.zone-legend span:nth-child(2):before{background:#5d9182}
.zone-legend span:nth-child(3):before{background:#72aeb8}
.device-list{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}
.device-list button{background:#f0f5e8;border:1px solid #cedbc8;padding:7px 10px;border-radius:7px;font-size:12px}
.dropzone{border:1px dashed #afc3ac;background:#f3f7ec;border-radius:11px;padding:23px;text-align:center;position:relative}
.dropzone strong{display:block;font-size:13px;margin-bottom:5px}
.dropzone input{width:100%;margin-top:15px;font-size:12px;background:white}
.dropzone p{font-size:12px}
.quality-list{list-style:none;padding:0;margin:12px 0;max-height:280px;overflow:auto}
.quality-list li{font-size:12px;padding:8px 10px;background:#faf0e3;border-radius:6px;margin-bottom:6px;color:#876b3e}
.source-list{display:grid;gap:9px;margin-top:12px}
.source-item{font-size:12px;padding:11px 0;border-top:1px solid var(--line)}
.source-item p{font-size:12px;margin-top:5px}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:20px}
.lesson-step{border:1px solid var(--line);background:#fffdf8;border-radius:11px;padding:15px;text-align:start;color:var(--muted)}
.lesson-step.active{background:#e4ecdb;border-color:#a8c095;color:var(--ink)}
.lesson-step span{font-size:12px;display:block;margin-bottom:8px}
.lesson-step strong{font-size:13px}
.speech{background:#fffef6;border:1px solid #c9d8bd;border-radius:12px;padding:18px;margin:15px 0;font-size:14px;color:#48684e}
.task-row{display:grid;grid-template-columns:minmax(0,1fr) 135px 130px 130px;gap:12px;padding:15px 0;border-bottom:1px solid var(--line);align-items:center}
.task-row strong{font-size:13px}
.task-row small{display:block;color:var(--muted);font-size:12px}
.empty{padding:36px 20px;text-align:center;color:#596e62;font-size:13px}
.project-list{display:grid;gap:10px}
.project-item{display:flex;gap:12px;align-items:center;justify-content:space-between;background:#f4f6eb;border-radius:9px;padding:14px}
.project-item h4{font-size:13px}
.project-item p{font-size:12px}
.status-line{font-size:12px;color:var(--muted);margin-top:8px}
footer{font-size:11px;color:#596e62;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:19px;margin-top:36px;gap:20px;line-height:1.8}
.modal-backdrop{position:fixed;inset:0;background:#183e3988;display:grid;place-items:center;padding:20px;z-index:100}
.modal{background:var(--paper);border-radius:18px;width:min(560px,100%);max-height:90vh;overflow:auto;padding:26px;box-shadow:0 20px 70px #09251a44}
.modal .close{float:inline-end;border:0;background:#edf1e5;border-radius:50%;width:30px;height:30px;font-size:20px}
.modal h2{margin-bottom:16px}
.modal p{font-size:12px;margin-bottom:16px}
.modal form{display:grid;gap:15px}
#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--deep);color:white;border-radius:10px;padding:13px 22px;font-size:12px;max-width:90%;z-index:110;box-shadow:0 5px 22px #123e2525;transition:transform .2s;opacity:0;visibility:hidden}
#toast.visible{transform:translateX(-50%) translateY(0);opacity:1;visibility:visible}
.fallback-banner{font-size:12px;background:#fff4d7;padding:10px 20px;text-align:center}
.toolbar-spacer{flex:1}
.mobile-menu{display:none}
.divider{height:1px;background:var(--line);margin:20px 0}
.code{font:12px/1.8 Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;color:#607565;background:#eff3e8;padding:15px;border-radius:8px}
.service-card{background:#edf2e6;border:1px solid #d4dfcb;padding:21px;border-radius:13px}
.service-card h3{margin-bottom:9px}
.service-card p{font-size:12px;line-height:1.85}
.online{color:var(--teal)}
.offline{color:var(--red)}
.table-scroll input{width:110px}
.negative{color:var(--red)!important}
.approved{color:var(--teal)!important}
.brand-icon img{display:block;width:100%;height:100%}
.brand:hover{text-decoration:none}
.case-visual[data-photo="compressed-air"] img{object-position:60% 48%}
.case-visual[data-photo="lighting"] img{object-position:center 58%}
.case-visual[data-photo="standby"] img{object-position:52% 48%}
.case-visual[data-case-photo="sequence"] img{object-position:48% 68%;transform:scale(1.06)}
.nav-link:focus-visible,.case-foot a:focus-visible{outline-offset:-3px}
@media(min-width:1650px){
 .hero{min-height:420px}
.hero .scene-host{height:400px}
.hero h1{font-size:45px}
.case-visual{height:180px}
.main{padding-inline:50px}
}
@media(max-width:1200px){
 .layout{grid-template-columns:195px minmax(0,1fr)}
.main{padding:26px 25px 45px}
.topbar{padding:0 22px}
.sidebar{padding-inline:13px}
.nav-link{font-size:13px;gap:10px;padding-inline:10px}
.hero-copy{padding-inline-start:28px}
.hero h1{font-size:32px}
.hero-copy p{font-size:14px}
.hero .scene-host{height:350px}
.hero-mark{font-size:9px}
.workflow-step{padding:4px 12px;gap:9px}
.workflow-step strong{font-size:13px}
.workflow-step small{font-size:12px}
.case-grid{gap:16px}
.case-body{padding:18px 16px 12px}
.case-body h3{font-size:16px}
.case-foot{font-size:11px}
.two-col{grid-template-columns:minmax(0,1.25fr) minmax(280px,1fr)}
.brand-line{margin:0}
.brand .lab{font-size:18px}
.metric strong{font-size:25px}
.metric strong span{display:block;margin:2px 0 0}
.two-col .metrics{gap:10px}
.metric{padding:15px 12px}
.two-col .metric small,.two-col .metric p{font-size:11px}
}
@media(max-width:980px){
 .layout{grid-template-columns:180px minmax(0,1fr)}
.sidebar{padding:20px 10px}
.nav-link{padding:10px;font-size:13px;gap:9px}
.main{padding:24px 22px 40px}
.hero{grid-template-columns:1fr}
.hero-copy{padding:28px 30px 0}
.hero .scene-host{height:285px}
.hero h1{font-size:34px;max-width:470px}
.hero-copy p{max-width:600px}
.hero-mark{bottom:12px}
.case-grid,.atlas-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.two-col,.three-col,.two-col.equal{grid-template-columns:1fr}
.workflow{grid-template-columns:1fr 1fr;gap:16px}
.workflow-step:nth-child(2){border:0}
.topbar{height:76px}
.sidebar{top:76px;height:calc(100vh - 76px)}
.layout{min-height:calc(100vh - 76px)}
.local-pill{display:none}
.brand strong{font-size:18px}
.brand-icon{width:38px;height:38px}
.brand small{font-size:9px}
.scene-host{height:360px}
.task-row{grid-template-columns:1fr 120px}
.task-row>div:first-child{grid-column:1/-1}
.steps{grid-template-columns:1fr 1fr}
.case-visual{height:145px}
.case-body p{min-height:0}
.case-foot{flex-direction:column;align-items:flex-start;gap:0}
.metric strong span{display:inline-block;margin-inline-start:5px}
.metric strong{font-size:27px}
.two-col .metric small,.two-col .metric p{font-size:12px}
}
@media(max-width:700px){
 body{font-size:14px}
.topbar{padding:0 13px;height:70px;gap:8px}
.brand{gap:7px}
.brand-icon{width:33px;height:33px}
.brand strong{font-size:16px;letter-spacing:.045em}
.brand>span:nth-child(2)>small{display:none}
.brand .lab{font-size:15px;line-height:1.4}
.brand .lab small{font-size:9px;letter-spacing:.1em}
.brand-line{height:27px;margin:0 1px}
.top-actions{gap:3px}
.top-actions select{max-width:73px;padding:8px 2px;font-size:12px;min-height:44px}
.top-actions .button{font-size:0;padding:10px;min-height:44px;min-width:42px}
.top-actions .button svg{width:18px;height:18px}
.layout{display:block}
.sidebar{position:sticky;top:70px;height:auto;padding:7px 12px;z-index:25;background:#f9fbf2f7;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center;border-inline:0;border-bottom:1px solid var(--line);overflow:visible}
.nav-list{display:flex;gap:5px;width:100%;min-width:0;overflow:auto;scrollbar-width:none;grid-row:1;grid-column:1;scroll-padding-inline:4px;overscroll-behavior-x:contain}
.nav-list::-webkit-scrollbar{display:none}
.nav-label,.sidebar-bottom,.nav-number{display:none}
.nav-link{font-size:13px;padding:10px 11px;gap:7px;white-space:nowrap;min-height:44px;flex-shrink:0}
.nav-link svg{width:17px;height:17px}
.mobile-menu{display:flex;gap:4px;align-items:center;justify-content:center;grid-row:1;grid-column:2;padding:10px 8px;min-height:44px;min-width:55px;border:1px solid #c5d4bf;border-radius:8px;background:#fffef9;color:var(--deep);font-size:12px;font-weight:600}
.mobile-menu svg{width:14px;height:14px;stroke-width:2;transition:transform .2s}
.mobile-menu[aria-expanded="true"] svg{transform:rotate(180deg)}
.sidebar.nav-open{max-height:calc(100dvh - 70px);overflow-y:auto;align-items:start;box-shadow:0 12px 24px #1d3e3914}
.sidebar.nav-open .nav-label{display:block;grid-row:1;grid-column:1;align-self:center;margin:0 8px;font-size:13px;letter-spacing:.03em}
.sidebar.nav-open .nav-list{display:grid;grid-template-columns:1fr 1fr;grid-column:1/-1;grid-row:2;overflow:visible;gap:6px}
.sidebar.nav-open .nav-link{font-size:13px;white-space:normal;min-width:0}
.sidebar.nav-open .nav-link svg{flex-shrink:0}
.main{padding:22px 17px 38px}
.breadcrumb{margin-bottom:18px;font-size:11px;gap:5px}
.breadcrumb .online,.breadcrumb .offline{font-size:10px}
.page-heading{align-items:flex-start;gap:13px;flex-direction:column;margin-bottom:20px}
h1{font-size:28px}
h2{font-size:22px}
.page-heading p{font-size:14px}
.hero{border-radius:17px;min-height:0}
.hero-copy{padding:28px 24px 0}
.hero h1{font-size:32px;line-height:1.48;letter-spacing:-.04em;margin-bottom:16px}
.hero-copy p{font-size:14px;line-height:1.85;margin-bottom:20px}
.hero .scene-host{height:265px}
.hero .button{padding:11px 12px;font-size:12px}
.hero-note{font-size:11px!important;margin-top:13px}
.hero-mark{font-size:9px;right:16px;bottom:13px}
.workflow{margin-bottom:30px;padding:16px 2px;gap:16px}
.workflow-step{gap:9px;padding:2px 12px;align-items:flex-start}
.step-dot{width:28px;height:28px;font-size:11px}
.workflow-step strong{font-size:13px}
.workflow-step small{font-size:11px;line-height:1.6;max-width:100px}
.section-heading{align-items:flex-start;gap:10px;flex-wrap:wrap}
.section-heading h2{font-size:21px}
.section-heading p{font-size:13px}
.section-heading .button{font-size:12px;min-height:40px}
.case-grid{gap:18px}
.case-visual{height:150px}
.case-body{padding:20px 18px 12px}
.case-body h3{font-size:17px}
.case-body p{font-size:14px;min-height:0;line-height:1.8}
.case-foot{font-size:12px;align-items:center;gap:5px;flex-direction:row}
.case-foot a{font-size:13px;min-height:44px}
.tag{font-size:11px}
.bottom-strip{padding:20px 18px;gap:12px;display:grid;grid-template-columns:34px minmax(0,1fr)}
.bottom-strip .button{grid-column:1/-1;margin-inline-start:0;justify-self:stretch}
.bottom-strip .strip-icon{width:34px;height:34px}
.bottom-strip h3{font-size:16px}
.bottom-strip p{font-size:13px}
.panel{padding:20px;border-radius:15px}
.scene-panel{padding:0}
.scene-host{height:300px}
.scene-toolbar{padding:14px 14px 0;gap:8px}
.scene-toolbar .tag{font-size:10px}
.scene-toolbar .segmented button{font-size:12px;padding:7px 10px}
.scene-caption{font-size:13px;padding:13px 16px}
.metrics{gap:9px;margin:16px 0}
.metric{padding:13px 11px;border-radius:11px}
.metric strong{font-size:23px;line-height:1.4;letter-spacing:-.9px}
.metric strong span{font-size:11px;display:block;margin:4px 0 0;line-height:1.3}
.metric small{font-size:11px}
.metric p{font-size:11px;margin-top:8px}
.two-col .metric small,.two-col .metric p{font-size:11px}
.two-col.equal,.form-grid{grid-template-columns:1fr}
.atlas-grid{grid-template-columns:1fr}
.atlas-card>img{height:210px}
.tabs{gap:7px}
.tabs button{font-size:12px;padding:9px 11px;min-height:44px}
.form-grid .full{grid-column:auto}
.task-row{grid-template-columns:1fr 1fr}
.task-row input,.task-row select{width:100%;font-size:13px}
.steps{gap:10px}
.lesson-step{padding:14px}
.lesson-step strong{font-size:14px}
.scene-controls{padding:0 12px 16px;gap:6px}
.scene-controls small{font-size:11px;flex-basis:100%;text-align:center;margin-top:4px}
.scene-controls .button.small{min-height:44px;min-width:44px}
.source-item{font-size:12px}
footer{font-size:11px;gap:8px;flex-direction:column}
.modal{padding:22px}
.system-flow>div{min-width:40%;font-size:13px}
.system-flow>div:nth-child(2):after{display:none}
.project-item{flex-wrap:wrap}
.project-item .button{font-size:12px}
.button-row{gap:8px}
.photo-detail{height:230px}
.param label{font-size:14px}
.param{margin-bottom:24px}
}
@media(max-width:540px){.case-grid{grid-template-columns:1fr}
.case-visual{height:185px}
.case-foot{flex-direction:row}
.case-body p{margin-bottom:16px}
.case-body{padding:20px 20px 13px}}
@media(max-width:380px){.topbar{padding-inline:10px}
.brand{gap:6px}
.brand-icon{width:30px;height:30px}
.brand strong{font-size:15px}
.brand .lab{font-size:14px}
.brand .lab small{font-size:8px}
.top-actions select{max-width:65px;font-size:11px}
.top-actions .button{min-width:40px;padding:9px}
.main{padding-inline:14px}
.hero-copy{padding-inline:20px}
.hero h1{font-size:30px}
.hero .button{font-size:11px;padding-inline:10px}
.hero .scene-host{height:245px}
.workflow-step{padding-inline:9px;gap:7px}
.workflow-step strong{font-size:12px}
.workflow-step small{font-size:11px}
.metric{padding-inline:9px}
.metric strong{font-size:21px}
.scene-toolbar .tag{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.topbar,.sidebar,.breadcrumb,.button-row,footer{display:none}
.layout{display:block}
.main{padding:0}
.panel{break-inside:avoid}
.scene-host{height:240px}
body{background:white}
.note{break-inside:avoid}}