/* Shared 9W section and product page. Scoped to avoid changing existing pages. */
.led-feature,.led-page{--led-ink:#073d34;--led-copy:#4e605c;--led-gold:#ae7300;--led-line:#dce3df;--led-tint:#f3f6f3;--led-gutter:clamp(20px,4vw,48px);font-family:"Noto Sans TC",system-ui,sans-serif;color:var(--led-ink);background:#fff;line-height:1.75;text-align:left;letter-spacing:normal}
.led-feature *,.led-page *{box-sizing:border-box}
.led-feature{padding:clamp(56px,7vw,100px) 0}
.led-container{width:min(1280px,100%);margin-inline:auto;padding-inline:var(--led-gutter)}
.led-feature h2,.led-page h1,.led-page h2,.led-page h3,.led-feature h3{color:var(--led-ink);font-family:inherit;font-weight:700;letter-spacing:-.025em;text-align:left;margin:0;line-height:1.3}
.led-feature h2,.led-page h2{font-size:clamp(27px,3.2vw,44px);margin:0 0 20px}
.led-feature p,.led-page p{margin:0 0 16px}
.led-feature .led-eyebrow,.led-page .led-eyebrow{color:var(--led-gold);font-size:12px;font-weight:700;letter-spacing:.17em;margin:0 0 18px}
.led-feature .led-intro,.led-page .led-intro{font-size:clamp(16px,1.5vw,20px);max-width:780px;color:var(--led-copy);margin-bottom:28px}
.led-feature a,.led-page a{color:inherit;text-decoration:none}
.led-visual-link{display:block;margin:28px 0 36px;border:1px solid var(--led-line);border-radius:8px;overflow:hidden;background:white;transition:border-color .2s}
.led-visual-link:hover{border-color:var(--led-gold)}
.led-visual-link img,.led-hero-image{display:block;width:100%;height:auto;max-width:100%}
.led-image-caption{display:flex;justify-content:space-between;padding:14px 22px;background:var(--led-tint);font-size:14px;font-weight:600}
.led-image-caption span{font-size:22px;line-height:1}
.led-components{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;list-style:none;margin:0;padding:0}
.led-components li{border-top:2px solid #dda62c;padding-top:18px;min-width:0}
.led-number{display:block;color:var(--led-gold);font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:12px;font-variant-numeric:tabular-nums}
.led-feature .led-components h3,.led-page .led-components h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.led-components p{font-size:14px;color:var(--led-copy);line-height:1.8}
.led-feature-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:32px;padding-top:28px;border-top:1px solid var(--led-line)}
.led-feature-footer p{display:flex;align-items:center;gap:24px;margin:0!important}
.led-feature-footer strong{font-size:42px;line-height:1.2;color:var(--led-gold);white-space:nowrap}
.led-feature-footer small{font-size:20px}
.led-feature-footer p>span{font-size:14px;color:var(--led-copy)}
.led-feature .led-button,.led-page .led-button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:50px;padding:12px 24px;border:1px solid var(--led-ink);border-radius:4px;background:var(--led-ink);color:#fff;font:600 15px/1.6 "Noto Sans TC",system-ui,sans-serif;text-align:center;text-decoration:none;letter-spacing:0;cursor:pointer}
.led-page .led-secondary{background:transparent;color:var(--led-ink)}
.led-button:hover{filter:brightness(1.13)}
.led-feature a:focus-visible,.led-page a:focus-visible,.led-page input:focus-visible,.led-page summary:focus-visible{outline:3px solid #b67d09;outline-offset:4px}
.led-page{margin:0;overflow-wrap:break-word}
.led-page .led-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:24px;border-bottom:1px solid var(--led-line)}
.led-brand{font-size:23px;font-weight:700;white-space:nowrap;line-height:1.3}
.led-brand small{display:block;font-size:9px;letter-spacing:.14em;color:var(--led-copy);margin-top:6px}
.led-header nav{display:flex;align-items:center;gap:28px;font-size:14px}
.led-hero{padding-top:clamp(48px,7vw,100px);padding-bottom:60px}
.led-page h1{font-size:clamp(38px,5.5vw,74px);line-height:1.18;margin-bottom:26px;max-width:850px}
.led-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}
.led-hero-image{margin-top:35px}
.led-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:24px 0 0;border-top:1px solid var(--led-line);padding-top:30px}
.led-metrics>div{padding:0 20px;border-right:1px solid var(--led-line)}
.led-metrics>div:first-child{padding-left:0}.led-metrics>div:last-child{border-right:0}
.led-metrics dt{font-size:14px;color:var(--led-copy)}
.led-metrics dd{margin:5px 0 0;font-size:clamp(30px,4vw,50px);font-weight:650;line-height:1.2;font-variant-numeric:tabular-nums}
.led-metrics small{font-size:16px;margin-left:6px;font-weight:400}
.led-section{padding-block:clamp(56px,7vw,96px);scroll-margin-top:24px}
.led-tint{background:var(--led-tint)}
.led-verification{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:28px;margin-top:35px;border-top:1px solid var(--led-line);padding-top:30px;align-items:center}
.led-verification strong{display:block;font-size:36px;font-weight:600}.led-verification span,.led-verification p{font-size:14px;color:var(--led-copy)}
.led-page .led-note{font-size:13px;line-height:1.8;color:var(--led-copy);margin-top:18px}
.led-specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:50px;margin:32px 0 0}
.led-specs>div{display:grid;grid-template-columns:100px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--led-line);font-size:15px}
.led-specs dt{color:var(--led-copy)}.led-specs dd{margin:0;font-weight:600}
.led-applications{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 36px;margin-top:30px}
.led-applications article{padding:24px 0;border-top:1px solid var(--led-line)}
.led-page .led-applications h3{font-size:21px;margin-bottom:14px}.led-applications p,.led-cases p{color:var(--led-copy)}
.led-cases{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:32px}
.led-cases article{border-top:2px solid #c28f2e;padding-top:28px}.led-page .led-cases h3{font-size:23px;margin-bottom:22px}
.led-page .led-case-number{font-size:clamp(28px,3.3vw,44px);font-weight:650;color:var(--led-ink);letter-spacing:-.04em}.led-case-number small{font-size:16px}.led-case-number span{color:var(--led-gold)}
.led-page .led-text-link{display:inline-block;color:var(--led-ink);font-weight:600;border-bottom:1px solid;margin-top:15px}
.led-process{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:steps;list-style:none;margin:32px 0 44px;padding:0}
.led-process li{border-top:1px solid var(--led-line);padding-top:15px;font-weight:600}.led-process li::before{counter-increment:steps;content:'0' counter(steps);display:block;color:var(--led-gold);font-size:13px;margin-bottom:8px}
.led-reading{border-top:1px solid var(--led-line);padding-top:28px}.led-reading h3{font-size:22px;margin-bottom:20px}.led-reading details{border-bottom:1px solid var(--led-line);padding:18px 0}.led-reading summary{font-weight:600;cursor:pointer;list-style-position:outside;margin-left:20px}.led-reading details p{max-width:900px;color:var(--led-copy);margin:16px 0 0}
.led-cta{padding-block:70px;background:var(--led-ink);color:#fff}.led-page .led-cta h2{color:#fff}.led-cta .led-eyebrow{color:#f3c56e}.led-cta .led-actions{margin-top:28px}.led-page .led-cta .led-button{background:#edd8b2;color:var(--led-ink);border-color:#edd8b2}.led-page .led-cta .led-secondary{background:transparent;color:#fff}
.led-footer{padding-block:28px;color:var(--led-copy);font-size:12px;display:flex;justify-content:space-between;gap:24px}.led-footer a{text-decoration:underline}
.led-skip{position:absolute;left:20px;top:-100px;background:white;padding:12px;z-index:99}.led-skip:focus{top:10px}
@media(max-width:1000px){.led-components{grid-template-columns:repeat(3,minmax(0,1fr))}.led-feature-footer p{display:block}.led-feature-footer p>span{display:block;margin-top:8px}.led-applications{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.led-components{grid-template-columns:1fr;gap:18px}.led-components li{display:grid;grid-template-columns:32px 1fr;gap:10px;padding-top:15px}.led-components p{margin-bottom:0}.led-feature-footer{align-items:flex-start;flex-direction:column}.led-feature-footer .led-button{width:100%}.led-header nav{gap:12px}.led-header nav>a:not(.led-button){display:none}.led-page .led-header .led-button{padding-inline:14px}.led-brand{font-size:20px}.led-brand small{font-size:8px}.led-page h1{font-size:38px}.led-hero{padding-bottom:45px}.led-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0}.led-metrics>div{padding-left:16px}.led-metrics>div:nth-child(odd){padding-left:0}.led-metrics>div:nth-child(even){border-right:0}.led-metrics dd{font-size:36px}.led-verification{grid-template-columns:1fr 1fr;gap:20px}.led-verification p{grid-column:1/-1}.led-specs{grid-template-columns:1fr}.led-specs>div{grid-template-columns:85px 1fr}.led-cases{grid-template-columns:1fr}.led-applications{grid-template-columns:1fr}.led-process{grid-template-columns:repeat(2,minmax(0,1fr))}.led-actions .led-button{flex:1 1 190px}.led-footer{display:block}.led-visual-link{margin-block:20px 28px}.led-image-caption{padding:12px 16px;font-size:13px}}
@media(prefers-reduced-motion:reduce){.led-visual-link{transition:none}}

/* Prioritize optical diffusion and distributed LEDs; shared by both entries and detail. */
.led-feature .led-components,.led-page .led-components{grid-template-columns:repeat(6,minmax(0,1fr));gap:24px}
.led-components>li{grid-column:span 2}
.led-components>li:nth-child(-n+2){grid-column:span 3;background:#eef4f0;border:1px solid #c5d7cb;border-top:3px solid #b7831b;border-radius:6px;padding:clamp(20px,3vw,32px)}
.led-feature .led-components>li:nth-child(-n+2) h3,.led-page .led-components>li:nth-child(-n+2) h3{font-size:clamp(23px,2.2vw,30px);margin-bottom:16px}
.led-components>li:nth-child(-n+2) p{font-size:clamp(16px,1.6vw,19px);color:var(--led-ink);margin-bottom:14px}
.led-components strong{font-weight:600}
.led-count{font-size:1.5em;line-height:1;color:var(--led-gold);font-variant-numeric:tabular-nums}
.led-material-badge{display:inline-block;padding:6px 12px;background:#fff;border:1px solid #a3bdae;border-radius:3px;font-size:15px;font-weight:700;color:var(--led-ink)}
.led-system{margin-top:32px;padding:28px 0;border-top:1px solid var(--led-line);border-bottom:1px solid var(--led-line)}
.led-system-grid{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;margin:0;padding:0}
.led-system-grid li{position:relative;min-width:0}
.led-system-grid li+li::before{content:'×';position:absolute;left:-23px;top:6px;color:var(--led-gold);font-size:22px;font-weight:300}
.led-system-grid strong{display:block;font-size:clamp(19px,2vw,24px);line-height:1.4;color:var(--led-ink)}
.led-system-grid span{display:block;margin-top:6px;font-size:14px;color:var(--led-copy)}
@media(max-width:640px){.led-feature .led-components,.led-page .led-components{grid-template-columns:minmax(0,1fr);gap:18px}.led-components>li,.led-components>li:nth-child(-n+2){grid-column:auto}.led-components>li:nth-child(-n+2){display:block;padding:22px}.led-components>li:nth-child(-n+2) .led-number{margin-bottom:12px}.led-system-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 32px}.led-system-grid li:nth-child(3)::before{content:none}.led-system-grid strong{font-size:19px}}


/* Click sequence: ring shrinks, vertical leader grows, then copy fades in. */
.led-diagram-scroll{overflow-x:auto;margin-top:35px;scrollbar-color:#dba03a #f3f6f3}
.led-interactive{position:relative;min-width:900px}
.led-callout-art{display:block;width:100%;height:auto}
.led-callout-label{pointer-events:none}
.led-callout-label polyline{fill:none;stroke:#efa900;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;opacity:0}
.led-callout-heading{font:700 32px "Noto Sans TC",system-ui,sans-serif;fill:#073d34}
.led-callout-copy{font:400 27px "Noto Sans TC",system-ui,sans-serif;fill:#52616d}
.led-callout-label text{opacity:0}
.led-callout-label.is-active polyline{animation:led-grow-line .55s ease-out .2s both}
.led-callout-label.is-active text{animation:led-reveal-copy .25s ease-out .8s both}
.led-hotspot{position:absolute;left:var(--hotspot-x);top:var(--hotspot-y);transform:translate(-50%,-50%);width:44px;height:44px;border:0;background:transparent;border-radius:50%;padding:0;cursor:pointer}
.led-hotspot::after{content:'';position:absolute;width:28px;height:28px;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(239,169,0,.5);border:1px solid #efa900;border-radius:50%;animation:led-anchor-glow 2.8s ease-in-out infinite;transition:width .18s ease,height .18s ease,background .18s ease}
.led-hotspot[aria-expanded="true"]::after{width:10px;height:10px;background:#efa900;border-color:#fff;animation:none;box-shadow:none}
.led-hotspot:focus-visible{outline:2px solid #073d34;outline-offset:2px}
.led-hotspot[hidden],#led-hotspot-hint[hidden]{display:none}
@keyframes led-anchor-glow{0%,100%{box-shadow:0 0 0 0 #efa90000;opacity:.55}50%{box-shadow:0 0 0 6px #efa90026;opacity:1}}
@keyframes led-grow-line{from{stroke-dashoffset:1;opacity:1}to{stroke-dashoffset:0;opacity:1}}
@keyframes led-reveal-copy{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:reduce){.led-hotspot::after{animation:none;transition:none}.led-callout-label.is-active polyline{animation:none;stroke-dashoffset:0;opacity:1}.led-callout-label.is-active text{animation:none;opacity:1}}

/* Separate step number from quantities such as 144 LEDs. */
.led-callout-number-disc{fill:#073d34;opacity:0}
.led-callout-number{fill:#fff;font:700 24px "Noto Sans TC",system-ui,sans-serif}
.led-callout-label.is-active .led-callout-number-disc{animation:led-reveal-copy .25s ease-out .8s both}
@media(prefers-reduced-motion:reduce){.led-callout-label.is-active .led-callout-number-disc{animation:none;opacity:1}}