*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:#182c4c;background:#fff;font:16px/1.7 "Microsoft YaHei","PingFang SC",Arial,sans-serif}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:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #12a5ac;outline-offset:4px}button{border:0}h1,h2,h3,p{margin:0}h2{font-size:32px;line-height:1.4;letter-spacing:-1px}h3{font-size:23px}.container{width:min(1200px,calc(100% - 80px));margin:auto}.skip{position:absolute;left:20px;top:-80px;background:white;padding:10px;z-index:100}.skip:focus{top:10px}header{height:90px;background:#fffffff5;border-bottom:1px solid 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@media(min-width:1500px){.hero-grid{min-height:630px;gap:65px}}@media(max-width:1100px){.container{width:calc(100% - 48px)}nav{gap:18px}.header-inner>.button{display:none}.hero-grid{gap:28px;grid-template-columns:1fr 1fr}.hero-actions{flex-wrap:wrap}.hero-visual{min-width:0}.window-body{grid-template-columns:88px 1fr}.window-body aside{padding:13px 5px}.platform-content{padding:16px 10px}.floating-card{right:-8px}.visual-foot{display:none}.value-strip>div{padding:0 12px;grid-template-columns:32px 1fr}.product-card{padding:24px 20px}.product-number{font-size:9px;right:17px}.resource-controls{align-items:start;flex-direction:column}.search{width:100%}.scenario-layout{gap:22px}.scenario-panel{padding:28px}}@media(max-width:760px){.container{width:calc(100% - 36px)}header{height:74px}.brand{font-size:24px}.brand-mark{width:38px;height:38px;font-size:25px}.menu-button{display:block;background:#edf4ff;padding:7px 12px;font-size:14px;border-radius:4px}nav{display:none;position:absolute;top:74px;left:0;right:0;background:white;height:auto;padding:22px;box-shadow:0 10px 20px #14336014}nav.open{display:flex;flex-wrap:wrap;gap:20px}nav .active:after{display:none}.hero-grid{grid-template-columns:1fr;padding:40px 0;gap:38px}.hero h1{font-size:40px}.hero-copy>p{font-size:15px}.hero-actions{gap:10px}.button{padding:11px 17px;font-size:14px;gap:12px}.hero-visual{max-width:540px;width:100%;margin:auto}.window-body{grid-template-columns:94px 1fr}.floating-card{right:0;padding:11px 14px}.value-strip{grid-template-columns:1fr 1fr;gap:22px 0;padding:25px 0}.value-strip>div{padding:0 10px}.value-strip>div:first-child{padding-left:10px}.value-strip>div:nth-child(2){border:0}.value-strip small{font-size:11px}.section{padding:48px 0}.section-title{display:block;margin-bottom:26px}.section-title p,.section-note{display:block;margin-top:15px}.section-title p br{display:none}h2{font-size:27px}.product-grid{grid-template-columns:1fr;gap:16px}.product-card{padding:23px}.product-card p{margin:10px 0 17px}.icon-tile{margin-bottom:14px}.product-number{top:36px;right:22px}.resource-section{padding:47px 0}.filters{gap:4px}.filters button{padding:7px 12px;font-size:13px}.course-grid{grid-template-columns:1fr 1fr;gap:13px}.course-info{padding:13px}.course-info h3{font-size:14px;min-height:44px}.course-info p{font-size:11px;gap:6px;flex-wrap:wrap}.scenario-layout{grid-template-columns:1fr}.scenario-tabs button{padding:17px}.scenario-panel{padding:23px}.about{padding:42px 0}.about-inner{display:block}.about h2{font-size:29px}.about .button{margin-top:25px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-top .brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px}dialog{padding:28px 20px}.form-row{gap:9px}dialog h2{font-size:22px}.hero .eyebrow{font-size:11px}.platform-heading strong{font-size:15px}}@media(max-width:380px){.hero h1{font-size:35px}.course-grid{grid-template-columns:1fr}.hero-actions .button{font-size:13px}.window-body{grid-template-columns:75px 1fr}.platform-content{padding:12px 7px}.map-row span{padding:3px 6px}.window-bottom{gap:4px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Compact teaching workspaces; imagery stays inside each UI panel. */
.scenario-panel{padding:0;background:linear-gradient(120deg,#f1f6ff,#eff9fa);overflow:hidden;box-shadow:none;align-self:stretch;min-width:0}
.scene-window-bar{display:flex;align-items:center;gap:9px;border-bottom:1px solid #dfE8f4;padding:11px 24px;background:#ffffffb8;font-size:12px}
.scene-window-meta{margin-left:auto;font-size:10px;letter-spacing:1px;color:#8399b4}
.scenario-copy{padding:23px 27px 24px}
.scene-summary{display:grid;grid-template-columns:minmax(0,1fr) 126px;gap:20px;align-items:center}
.scenario-copy .eyebrow{margin-bottom:9px;font-size:11px}
.scenario-copy h3{margin:0 0 10px;font-size:23px;line-height:1.45}
.scenario-copy p{color:#6e819b;font-size:14px;line-height:1.8}
.scenario-image{display:block;width:126px;height:100px;object-fit:cover;border-radius:6px;border:1px solid #dce7f4}
.scene-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin:23px 0 20px}
.scene-steps>div{padding:14px 12px;background:#ffffffd9;border:1px solid #dce7f6;border-radius:4px}
.scene-steps small{display:block;color:#5485bd;font-size:10px;margin-bottom:8px}
.scene-steps strong{display:block;font-size:13px;font-weight:600}
.scenario-copy>a{display:inline-flex;align-items:center;font-size:14px;color:#286bc1}
.scenario-tabs{justify-content:space-between}
.scenario-tabs button{min-height:0;flex:1}
.workspace-preview{margin-top:13px;border:1px solid #e0eaf7;border-radius:5px;overflow:hidden;background:#f8fbff}
.workspace-preview-head{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:11px;padding:8px 11px;color:#537396}
.workspace-preview-head small{font-size:9px;color:#8a9db5}
.workspace-feature{position:relative;height:118px;overflow:hidden}
.workspace-feature>img{width:100%;height:100%;object-fit:cover;display:block}
.workspace-feature>div{position:absolute;inset:0;padding:12px 14px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;background:linear-gradient(90deg,#14375bdd,#14375b65 56%,transparent);color:white}
.workspace-feature small{font-size:10px;color:#c9e6f5}
.workspace-feature strong{font-size:15px;margin:4px 0 7px}
.workspace-feature a{font-size:10px;color:#e0f2ff;border-bottom:1px solid #c9e6f566}
.workspace-tools{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:9px}
.workspace-tools a,.workspace-tools button{font-size:10px;padding:5px;background:#eaf2fd;color:#3c6fae;border:1px solid #dbe6f6;border-radius:3px;text-align:center}
@media(max-width:1100px){.scene-summary{grid-template-columns:minmax(0,1fr) 90px;gap:12px}.scenario-image{width:90px;height:90px}.scenario-copy{padding:22px}.scenario-copy h3{font-size:21px}.scene-steps>div{padding:12px 9px}.scene-steps strong{font-size:12px}}
@media(max-width:760px){.scenario-panel{padding:0}.scenario-copy{padding:21px}.scene-summary{grid-template-columns:minmax(0,1fr) 86px}.scenario-image{width:86px;height:86px}.scenario-copy h3{font-size:20px}.scene-window-bar{padding:10px 20px}.scene-steps{gap:7px}.scene-steps strong{font-size:12px}.scenario-tabs button{flex:auto}.scene-window-meta{font-size:9px}}
@media(max-width:420px){.scene-summary{grid-template-columns:1fr}.scenario-image{display:none}.scene-steps>div{padding:11px 7px}.scene-window-meta{letter-spacing:0}.workspace-preview-head{padding:7px;font-size:10px}.workspace-preview-head small{font-size:8px}}