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.structure-cross{height:148px;display:grid;place-items:center;margin:0 0 24px;position:relative;border-top:1px solid #c9cbcb44;border-bottom:1px solid #c9cbcb44}.structure-cross svg{width:130px;height:130px;color:var(--grey)}.structure-cross span{position:absolute;left:0;bottom:12px;color:var(--grey);font:10px "IBM Plex Mono",monospace}
.learning-track{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:0 0 24px}.learning-track div{display:flex;flex-direction:column;gap:8px;border-left:1px solid #c9cbcb55;padding:0 16px;min-width:0}.learning-track div:first-child{border:0;padding-left:0}.learning-track b{color:var(--cyan);font-size:12px;padding:0}.learning-track strong{font-size:20px;font-weight:700}.learning-track small{color:var(--grey);font-size:12px;line-height:1.65}.art-bottom{border-color:#c9cbcb55;color:var(--grey);font-size:10px;letter-spacing:.03em;line-height:1.8}
main>.field-learning{background:var(--grey);margin:0 auto;gap:56px;padding-top:64px;padding-bottom:64px}.field-learning h2{font-size:clamp(32px,3.3vw,48px)}.field-learning>div>p:not(.eyebrow){color:var(--carbon)}.field-board{background:var(--white);border:0;border-radius:0;border-top:8px solid var(--cyan);padding:28px 32px}.field-board .eyebrow{color:var(--indigo);font-size:10px;letter-spacing:.04em}.field-board li{border-color:#1f194344}.field-board li:first-child{border-top:0}.field-board small{color:var(--carbon)}
main>.home-links{background:var(--white);margin-top:0;margin-bottom:32px}.home-links .eyebrow{font-size:11px}.intent-grid a{border-color:var(--indigo);padding-top:24px;color:var(--indigo);font-weight:600}.intent-grid span{color:var(--carbon)}
.class-card{background:var(--white);border:1px solid #1f194344;border-top:5px solid var(--indigo);border-radius:0;padding:28px}.class-card:hover{border-color:var(--indigo);background:var(--grey)}.class-card .eyebrow{font-size:11px}.class-grid{gap:24px}.course,.course-panel,.notice,.learning-unit,.journal-card{border-radius:0}.course-panel{background:var(--grey)}.course-panel .notice{background:var(--white)}.notice{color:var(--carbon);background:#e9e9e5;border-left-color:var(--indigo)}.course-graphic{background:var(--grey)}.learning-unit{background:var(--white);border-color:#1f194344;border-top:3px solid var(--indigo)}.learning-pending{background:#e9e9e5;color:var(--carbon)}.video-card,.material-note{background:var(--grey)}.video-load{color:var(--white);border-color:var(--white)}
footer{background:var(--indigo);color:var(--grey);border-top:1px solid #c9cbcb44;padding:48px max(6vw,24px)}footer .wordmark{color:var(--white)}footer>p{color:var(--grey)}footer a:hover{text-decoration:underline;text-underline-offset:5px}.skip{background:var(--yellow);color:var(--indigo)}:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}header :focus-visible,.hero :focus-visible,footer :focus-visible{outline-color:var(--yellow)}
@media(min-width:1600px){main>.hero{padding-left:calc((100vw - 1360px)/2 + 48px);padding-right:calc((100vw - 1360px)/2 + 48px)}}
@media(max-width:1000px){main>.hero{gap:32px;grid-template-columns:1fr 1fr}.hero h1{font-size:54px}.education-art{padding:24px}.learning-track div{padding:0 12px}.learning-track small{font-size:11px}}
@media(max-width:760px){header{padding:16px 18px}.menu{color:var(--white);min-height:44px;padding:8px 4px}header nav{background:var(--indigo);color:var(--white);border-bottom:1px solid var(--grey);box-shadow:none;padding:24px}.brand-name small{font-size:10px}.wordmark{gap:2px}.brand-symbol{width:44px;margin:6px}.brand-name b{font-size:21px}main>section{margin:16px 12px;padding:40px 20px}main>section:first-child:not(.hero){border-top-width:0;margin-top:16px}main>.hero{grid-template-columns:1fr;gap:40px;padding:36px 24px 40px;min-height:auto}.hero h1{font-size:46px;line-height:1.25;letter-spacing:-.04em}.hero .eyebrow{font-size:10px;letter-spacing:.05em;gap:10px;white-space:normal}.hero .intro{font-size:16px}.hero .intro br{display:none}.hero .actions{gap:18px}.hero-note{font-size:10px}.education-art{padding:22px;clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,0 100%)}.education-art:before{width:24px;height:24px}.art-top{font-size:9px}.art-statement{font-size:26px;margin:24px 0 16px}.structure-cross{height:126px}.structure-cross svg{width:108px;height:108px}.learning-track strong{font-size:18px}.learning-track div{padding:0 12px}.learning-track small{font-size:11px}.art-bottom{font-size:10px}main>.field-learning{padding:40px 24px;gap:24px;margin:0}.field-board{padding:24px}.field-board li{gap:16px}.field-board span{font-size:19px}main>.home-links{margin:0 12px 16px}.field-learning h2{font-size:32px}.page-heading{padding-bottom:24px}.page-heading .eyebrow{font-size:10px}.class-card{padding:24px}.breadcrumbs{flex-wrap:wrap;gap:8px;line-height:1.8}.course-panel{padding:24px}.learning-section>p:not(.eyebrow){font-size:15px}.contact-page{padding:24px 18px}.checkout-grid .cart-row strong{grid-column:1/-1}footer{padding:32px 24px;gap:24px}.video-stage .video-load{font-size:13px}.hero .primary{min-width:156px}}
@media(max-width:360px){.hero h1{font-size:40px}.hero .eyebrow{font-size:9px}.art-top{letter-spacing:0}.learning-track div{padding:0 8px}.learning-track strong{font-size:16px}.learning-track small{font-size:10px}.brand-name small{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.button:hover{transform:none}}

/* Reading surfaces use Concrete, with Indigo identity and restrained task accents. */
body,main{background:var(--indigo)}main>section{background:var(--grey);border-left:8px solid #1f194344;border-right:8px solid #1f194344}main>section:first-child:not(.hero){border-top:12px solid #1f194344}main>.hero{border-left:0;border-right:0;border-bottom-color:var(--grey)}main>.field-learning{background:var(--grey);border:0}main>.home-links{background:var(--grey)}
.field-board,.class-card,.course-panel,.product-body,.contact-page,.video-card,.material-note{background:#b9bcbc}.course,.product-card,.learning-unit{background:var(--grey)}.class-card:hover,.product-card:hover{background:#b9bcbc}.notice,.learning-pending{background:#b9bcbc;color:var(--carbon)}.course-panel .notice{background:var(--grey)}.steps,.about-cards{background:transparent}.journal-card{background:#b9bcbc}.course-graphic{background:#b9bcbc}.form-box,input,textarea,select{background:#e1e3df;color:var(--carbon)}input,textarea,select{border:1px solid #1f194366;border-radius:0}.tags span{background:#b9bcbc}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.product-card{border:1px solid #1f194366;min-width:0}.product-body{padding:32px}.product-body h2{font-size:28px}.product-price{font:700 32px Inter,"Noto Sans TC",sans-serif;color:var(--indigo);margin:24px 0}.product-price small{display:inline-block;font:400 12px "Noto Sans TC",sans-serif;margin-left:12px}.product-detail{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}.product-detail h2:not(.product-price){font-size:28px;margin-top:32px}.equipment-art{background:var(--indigo);color:var(--grey);padding:24px;position:relative;min-width:0}.equipment-art svg{display:block;width:100%;height:auto;max-height:300px;margin:24px 0}.equipment-art .art-top,.equipment-art .art-bottom{font:10px "IBM Plex Mono",monospace;color:var(--grey);line-height:1.8;letter-spacing:.03em}.equipment-art .art-top{border-color:#c9cbcb66;gap:12px}.equipment-intro{max-width:760px}.homepage-paths{display:grid;grid-template-columns:1fr 1fr;gap:32px}.homepage-paths>a{display:block;border-top:4px solid var(--indigo);padding:24px 0}.homepage-paths h3{font-size:28px}.homepage-paths p{max-width:500px;color:var(--carbon)}.homepage-paths .eyebrow{font-size:11px}.kind-label{display:inline-block;font-size:11px;font-weight:700;padding:4px 8px;background:var(--indigo);color:var(--white);margin-bottom:8px}.cart-row{border-bottom-color:#1f194366}.receipt{background:#b9bcbc;padding:24px}.receipt li{line-height:1.9}.receipt .kind-label{font-size:10px;padding:2px 6px}.empty-cart .actions{gap:16px}.button,.class-card,.product-card,.homepage-paths>a{transition:transform .18s ease,background .18s ease,border-color .18s ease}.button:hover,.button:focus-visible{transform:translateY(-2px)}.class-card:hover,.class-card:focus-visible,.product-card:hover{transform:translateY(-3px);border-color:var(--indigo)}.homepage-paths>a:hover,.homepage-paths>a:focus-visible{transform:translateY(-3px)}.reveal{opacity:1;transform:none}.reveal.is-visible{animation:section-enter .5s ease-out both;animation-delay:var(--reveal-delay,0ms)}@keyframes section-enter{from{opacity:.45;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}#toast{display:block;visibility:hidden;opacity:0;transform:translate(-50%,10px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease;background:var(--yellow);color:var(--indigo);max-width:calc(100vw - 32px);text-align:center}#toast.show{visibility:visible;opacity:1;transform:translate(-50%,0)}
@media(max-width:1100px) and (min-width:761px){header{padding:16px 24px}header nav{gap:14px;font-size:12px}.cart-link{padding:8px 10px}.brand-name small{font-size:10px}.brand-name b{font-size:23px}.brand-symbol{width:44px;margin:6px}}
@media(max-width:760px){main>section{border-left:0;border-right:0}.product-grid,.product-detail,.homepage-paths{grid-template-columns:1fr;gap:24px}.product-body{padding:24px}.product-detail{gap:32px}.equipment-art{padding:20px}.equipment-art svg{margin:16px 0}.product-price{font-size:30px}.receipt{padding:20px 16px}.cart-row .kind-label{font-size:10px}.homepage-paths>a{padding:20px 0}.homepage-paths h3{font-size:26px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.button:hover,.button:focus-visible,.class-card:hover,.class-card:focus-visible,.product-card:hover,.homepage-paths>a:hover,.homepage-paths>a:focus-visible{transform:none}.reveal,.reveal.is-visible{opacity:1;transform:none}}

/* QXter crane directory: original model, normal page scroll, no pinned input. */
body[data-page="/"] main{background:var(--indigo)}.crane-story{position:relative;background:var(--indigo);color:var(--white);max-width:1800px;margin:auto;--crane-header:82px}.crane-stage{position:relative;height:620px;overflow:hidden;background:var(--indigo)}.crane-stage:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#1f1943 0%,#1f1943cc 20%,transparent 58%);pointer-events:none}.crane-stage-top,.crane-stage-bottom{position:absolute;left:6vw;right:4vw;z-index:1;display:flex;justify-content:space-between;gap:16px;font:11px "IBM Plex Mono",monospace;letter-spacing:.06em;color:var(--grey)}.crane-stage-top{top:28px}.crane-stage-bottom{bottom:24px}.crane-stage-top span:first-child{color:var(--yellow)}.crane-model{width:80%;height:100%;margin-left:23%;display:block;overflow:visible}.crane-step{max-width:none;padding:64px 6vw;border:0;background:transparent;position:relative}.crane-copy{max-width:520px;padding:28px;background:#1f1943f5;border-left:2px solid var(--cyan)}.crane-copy h1,.crane-copy h2{color:var(--white);font-size:clamp(32px,3.5vw,54px);line-height:1.24;letter-spacing:-.03em;margin:20px 0 28px}.crane-copy h1{font-size:clamp(38px,4.2vw,64px)}.crane-copy .eyebrow{color:var(--cyan);font-size:11px}.crane-copy>p:not(.eyebrow){font-size:15px;line-height:1.85;color:var(--grey)}.crane-copy-links{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px}.crane-copy .button{border-color:var(--grey);color:var(--white);background:transparent}.crane-copy .button.primary{background:var(--yellow);border-color:var(--yellow);color:var(--indigo)}.crane-copy .text-link{color:var(--grey)}.crane-copy small{color:var(--grey);font-size:11px;line-height:1.8;display:block;width:100%}.people-outline{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:16px;margin-bottom:12px}.people-outline>div{padding:14px 0;border-top:1px solid #c9cbcb77;display:grid;gap:6px}.people-outline strong{font-size:17px}.people-outline span{font-size:12px;color:var(--grey)}.crane-class-links{display:flex;flex-wrap:wrap;gap:8px;width:100%}.crane-class-links a{font-size:13px;padding:8px 12px;border:1px solid #c9cbcb88}.crane-class-links a:hover,.crane-class-links a:focus-visible{background:var(--cyan);color:var(--indigo)}.crane-skills{width:100%;padding-left:20px;color:var(--grey);font-size:14px;line-height:2}.crane-demo-prices{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.crane-demo-prices a{border-top:1px solid #c9cbcb88;padding-top:16px;display:grid;gap:7px}.crane-demo-prices span{font-size:13px}.crane-demo-prices strong{font-size:27px;color:var(--yellow)}.crane-equipment{width:100%;display:grid;gap:10px;border-top:1px solid #c9cbcb88;padding-top:18px}.crane-equipment span{font-size:12px;color:var(--grey)}.crane-equipment strong{font-size:23px}.crane-equipment b{font-size:30px;color:var(--yellow)}.crane-chapters{padding:24px 6vw;display:flex;gap:22px;justify-content:center;flex-wrap:wrap;background:var(--carbon);font:11px "IBM Plex Mono",monospace}.crane-chapters a{color:var(--grey);display:flex;gap:6px;padding:6px}.crane-chapters b{font-weight:400}.crane-chapters a[aria-current]{color:var(--yellow)}.crane-reference{max-width:850px;font-size:12px;color:var(--carbon);line-height:1.9;margin-top:46px}.crane-reference a{text-decoration:underline}.crane-enhanced .crane-stage{position:sticky;top:var(--crane-header,82px);height:calc(100svh - var(--crane-header,82px));margin-bottom:calc(-100svh + var(--crane-header,82px))}.crane-enhanced .crane-step{min-height:105svh;display:flex;align-items:center;padding-top:110px;padding-bottom:100px}.crane-enhanced .crane-chapters{position:sticky;bottom:0;z-index:5;padding:12px 6vw;background:#171717ed}.crane-step{scroll-margin-top:110px}.crane-directory{background:var(--grey)}
@media(min-width:1100px){.crane-model{width:78%;margin-left:26%}.crane-copy{width:42vw;max-width:520px}}@media(max-width:760px){.crane-stage{height:400px}.crane-model{width:114%;margin-left:-7%;height:100%}.crane-stage:after{background:linear-gradient(0deg,#1f1943 0%,transparent 60%)}.crane-stage-top,.crane-stage-bottom{left:24px;right:24px;font-size:9px}.crane-stage-top{top:18px}.crane-stage-bottom{bottom:14px}.crane-stage-top span:last-child{max-width:80px;text-align:right}.crane-step{padding:34px 20px}.crane-copy{width:100%;max-width:520px;padding:20px;background:#1f1943ed}.crane-copy h1{font-size:38px}.crane-copy h2{font-size:33px}.crane-copy>p:not(.eyebrow){font-size:13px}.crane-copy .eyebrow{font-size:9px}.crane-enhanced .crane-stage{height:calc(100svh - var(--crane-header,76px));margin-bottom:calc(-100svh + var(--crane-header,76px))}.crane-enhanced .crane-step{min-height:125svh;align-items:flex-end;padding-top:280px;padding-bottom:75px}.crane-enhanced .crane-model{height:53%;margin-top:0}.crane-enhanced .crane-stage-bottom{top:45%;bottom:auto}.crane-chapters{gap:9px}.crane-enhanced .crane-chapters{gap:8px;padding:10px 8px}.crane-chapters a{font-size:10px;padding:4px}.crane-chapters b{font-size:10px}.people-outline{gap:12px}.crane-directory h2{font-size:30px}}
@media(prefers-reduced-motion:reduce){.crane-enhanced .crane-stage{position:relative;top:0;height:500px;margin-bottom:0}.crane-enhanced .crane-step{min-height:0;padding:40px 6vw}.crane-enhanced .crane-chapters{position:relative}.crane-model{height:100%;margin-top:0}.crane-stage-bottom{top:auto;bottom:20px}}@media(prefers-reduced-motion:reduce) and (max-width:760px){.crane-enhanced .crane-stage{height:380px}.crane-enhanced .crane-model{height:100%}.crane-enhanced .crane-step{padding:28px 20px}.crane-stage-bottom{top:auto;bottom:14px}}

@media(min-width:761px){.crane-copy{max-width:470px;width:38vw}.crane-model{width:74%;margin-left:30%}.crane-copy h1{font-size:clamp(38px,4.2vw,58px)}}

@media(min-width:761px){.crane-copy h1{font-size:clamp(38px,4vw,52px)}}
html.crane-enhanced{scroll-behavior:auto}
.crane-chapters{top:auto;left:auto;right:auto;flex-direction:row;border:0;width:100%;position:relative}
@media(min-width:761px){.crane-stage-bottom{bottom:74px}}
@media(max-width:760px){.crane-enhanced .crane-step{min-height:105svh;padding-bottom:78px}.crane-enhanced .crane-chapters{position:sticky;top:auto;bottom:0;flex-direction:row}.crane-enhanced .crane-model{height:48%}.crane-enhanced .crane-stage-bottom{top:42%}}
@media(max-width:760px){.crane-enhanced .crane-step:first-child{min-height:90svh}}

/* v10 knowledge architecture */
.knowledge-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:20px;margin:28px 0 40px}.knowledge-grid article{padding:24px;border:1px solid var(--line);background:rgba(255,255,255,.12);min-width:0}.knowledge-grid h3{font-size:23px;line-height:1.4;margin:0 0 14px}.knowledge-grid p,.knowledge-section>p{line-height:1.9}.knowledge-grid small{display:block;line-height:1.7}.material-text{white-space:pre-line}.knowledge-section h2{max-width:900px}@media(max-width:760px){.knowledge-grid{gap:16px}.knowledge-grid article{padding:20px}}