.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.guide-card{display:block;border:1px solid var(--line);background:var(--surface)}.guide-card>img{display:block;width:100%;height:280px;object-fit:cover}.guide-card>div{padding:30px}.guide-card .eyebrow{margin-bottom:15px}.guide-card p:not(.eyebrow){color:var(--muted);font-size:14px}.guide-card:hover{border-color:var(--accent)}.text-link{font-size:13px;font-weight:700;display:block;padding-top:12px}.guide-figure{margin:0 0 25px;min-width:0}.guide-figure img{display:block;width:100%;height:auto;background:var(--surface)}.guide-figure a{display:block}.guide-figure figcaption{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.6}.guide-note{background:var(--surface);border-left:3px solid var(--accent);padding:22px 26px;font-size:14px;margin:25px 0;line-height:1.8}.guide-body{padding:35px 0 65px}.guide-step{display:grid;grid-template-columns:160px 1fr;gap:35px;padding:45px 0;border-bottom:1px solid var(--line)}.guide-step>.index{padding-top:9px}.guide-step h2{font-size:32px}.guide-step>div>p{max-width:850px}.guide-step .guide-grid{margin-top:25px}.guide-step .guide-grid img{aspect-ratio:1.5;object-fit:contain;background:#fff}.guide-step>div>.guide-figure{max-width:850px;margin-top:25px}.guide-step video{display:block;max-width:100%;width:700px;max-height:500px;background:#111}.connection-paths{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:25px 0}.connection-paths>div{padding:26px;background:var(--surface)}.connection-paths p{font-size:14px;margin-bottom:0}.connection-paths h3{font-size:22px}.control-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:65px;align-items:start;padding-bottom:70px}.control-sheet img{max-width:500px}.control-layout summary{font-size:20px}.resource-filters{display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:20px;padding:25px;background:var(--surface);margin-bottom:22px}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.download-card{display:flex;flex-direction:column;padding:28px;background:var(--surface);border:1px solid var(--line)}.download-card h3{font-size:22px;line-height:1.3}.download-card .eyebrow{font-size:10px;margin-bottom:20px}.download-card p:not(.eyebrow){color:var(--muted);font-size:14px}.download-actions{margin-top:auto;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px;font-size:12px;font-weight:700;gap:15px}.download-actions a:hover{text-decoration:underline}.download-card[hidden],[hidden]{display:none!important}.library-note{padding:25px 0}.hero-visual img{aspect-ratio:1.05;object-fit:contain;padding:40px 10px 15px}.guide-result{display:block;margin:12px 0}.product-image img{aspect-ratio:1.22;object-fit:contain}@media(max-width:900px){.guide-card>img{height:220px}.guide-step{grid-template-columns:85px 1fr;gap:20px}.control-layout{gap:30px}.download-grid{grid-template-columns:1fr 1fr}.resource-filters{grid-template-columns:1fr}.control-layout summary{font-size:17px}}@media(max-width:640px){.guide-grid,.connection-paths,.control-layout,.download-grid{grid-template-columns:1fr}.guide-card>img{height:auto;aspect-ratio:1.5}.guide-card>div{padding:24px}.guide-step{grid-template-columns:1fr;gap:0;padding:30px 0}.guide-step>.index{margin-bottom:14px}.guide-step h2{font-size:28px}.guide-note{padding:18px 20px}.resource-filters{padding:20px}.download-card{padding:24px}.control-sheet img{max-width:100%}.hero-visual img{aspect-ratio:1.15}.control-layout{padding-bottom:45px}.guide-body{padding-top:5px}}
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:30px}.video-card{border:1px solid var(--line);background:var(--surface);overflow:hidden}.youtube-player{aspect-ratio:16/9;background:#050505;position:relative}.youtube-player iframe{width:100%;height:100%;border:0;display:block}.video-launch{display:block;width:100%;height:100%;padding:0;border:0;background:#050505;color:#fff;position:relative;cursor:pointer;overflow:hidden}.video-launch img{width:100%;height:100%;display:block;object-fit:cover;opacity:.8;transition:opacity .2s}.video-launch:hover img{opacity:1}.play-disc{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);border-radius:50%;width:60px;height:60px;display:grid;place-items:center;background:var(--accent);color:var(--ink);font-size:22px;padding-left:3px;box-shadow:0 2px 18px #0005}.video-platform{position:absolute;bottom:15px;left:18px;font-size:9px;letter-spacing:1.5px;background:#050505e6;padding:4px 8px}.video-copy{padding:28px}.video-copy h3{font-size:25px}.video-copy>p:not(.eyebrow){font-size:14px;color:var(--muted)}.video-copy .eyebrow{font-size:10px;margin-bottom:15px}.video-intro{max-width:750px;color:var(--muted)}.version-callout{display:flex;gap:35px;align-items:center;justify-content:space-between;background:var(--surface);padding:35px;margin-bottom:35px}.version-callout h2{font-size:32px;margin-bottom:15px}.version-callout p{max-width:750px;font-size:14px;margin-bottom:0}.version-callout .eyebrow{margin-bottom:15px;font-size:10px}.version-callout .button{flex-shrink:0}@media(max-width:900px){.version-callout{display:block}.version-callout .button{margin-top:25px}.header nav{gap:20px}}@media(max-width:640px){.video-grid{grid-template-columns:1fr}.video-copy{padding:24px}.version-callout{padding:25px}.version-callout h2{font-size:28px}}

.play-disc{color:#080808}.guide-figure img{background:#fff}.version-callout{border-top:2px solid var(--accent)}.guide-card:hover,.download-card:hover{border-color:#8b4a18}.text-link,.download-actions a{color:var(--accent-text)}
.lighting-overview{padding-bottom:55px}.lighting-specs{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;padding:35px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.lighting-specs>div+div{border-left:1px solid var(--line);padding-left:40px}.lighting-specs h2{font-size:40px;margin-bottom:0}.lighting-specs>div+div h2{font-size:64px;line-height:1;color:var(--accent);letter-spacing:-3px}.lighting-specs h2 span{font-size:30px;letter-spacing:0}.lighting-specs .eyebrow{margin-bottom:18px;font-size:10px}.lighting-specs p:not(.eyebrow){font-size:12px;color:var(--muted);margin:15px 0 0}@media(max-width:640px){.lighting-specs{grid-template-columns:1fr;gap:25px;padding:28px 0}.lighting-specs>div+div{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:25px}.lighting-specs h2{font-size:32px}.lighting-overview{padding-bottom:35px}}
.kit-heading{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:50px;margin-bottom:32px}.kit-heading>p{color:var(--muted);max-width:520px}.kit-heading h2{margin-bottom:0}.kit-gallery{display:grid;grid-template-columns:.85fr 1.5fr;gap:25px}.kit-gallery figure{margin:0;min-width:0;border:1px solid var(--line);background:var(--surface)}.kit-gallery figure>a{display:block;background:#fff;padding:18px;height:310px}.kit-gallery img{display:block;width:100%;height:100%;object-fit:contain}.kit-gallery figcaption{padding:25px}.kit-gallery figcaption>span{display:block;font-size:10px;color:var(--accent-text);letter-spacing:1.3px;margin-bottom:15px}.kit-gallery figcaption h3{font-size:23px}.kit-gallery figcaption p{font-size:14px;color:var(--muted);margin:0}.kit-connection{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:23px 0;margin:28px 0 18px;font-size:14px}.kit-connection b{color:var(--accent);font-size:24px;font-weight:400}.kit-summary{display:flex;justify-content:space-between;align-items:center;gap:40px;padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.kit-summary>div{max-width:670px}.kit-summary p:not(.eyebrow){color:var(--muted);margin:0}.kit-summary .button{flex-shrink:0}@media(max-width:900px){.kit-heading{gap:25px}.kit-gallery{grid-template-columns:1fr 1.3fr}.kit-summary{align-items:flex-start;flex-direction:column;gap:25px}}@media(max-width:640px){.kit-heading,.kit-gallery{grid-template-columns:1fr}.kit-gallery figure:first-child>a{height:260px}.kit-gallery figure:last-child>a{height:180px}.kit-connection{flex-direction:column;gap:10px;align-items:flex-start}.kit-connection b{transform:rotate(90deg);margin-left:8px}.kit-heading{gap:20px}.kit-heading>p{margin-bottom:0}.kit-gallery figcaption{padding:22px}}

.extension-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.extension-card{border:1px solid var(--line);background:var(--surface);min-width:0}.extension-photo{display:block;background:#fff;height:310px}.extension-photo img{display:block;width:100%;height:100%;object-fit:contain}.extension-copy{padding:28px}.extension-copy .eyebrow{font-size:10px;line-height:1.6;margin-bottom:15px}.extension-copy h3{font-size:25px}.extension-copy>p:not(.eyebrow){color:var(--muted);font-size:14px}.extension-copy dl{margin-bottom:0}.extension-copy dl div{display:block;padding:14px 0}.extension-copy dt{font-size:11px;color:var(--muted);margin-bottom:7px}.extension-copy dd{font-size:14px;margin:0}.extension-note{margin-top:22px}.extension-section,.conversion-kit{scroll-margin-top:30px}@media(max-width:640px){.extension-grid{grid-template-columns:1fr}.extension-photo{height:260px}.extension-copy{padding:24px}.extension-copy h3{font-size:23px}}

.product-functions,.function-overview{scroll-margin-top:25px}.function-layout{display:grid;grid-template-columns:.85fr 1.35fr;gap:32px;align-items:start}.function-sheet{margin:0}.function-sheet img{border:1px solid var(--line);border-radius:8px}.function-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}.function-cards article{padding:25px;background:var(--surface);border-top:3px solid var(--accent)}.function-cards .eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:18px}.function-cards h3{font-size:24px}.function-cards p:not(.eyebrow){font-size:14px;color:var(--muted);margin-bottom:0}.function-action{border-top:1px solid var(--line);margin-top:18px;padding-top:15px}.function-action strong{font-size:13px;display:block;margin-bottom:6px}.function-action b{color:var(--ink);font-weight:600}.function-cards .function-footnote{font-size:12px!important;margin-top:18px}.function-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.function-summary-grid>a{display:flex;flex-direction:column;padding:26px;background:var(--surface);border:1px solid var(--line)}.function-summary-grid>a:hover{border-color:var(--accent)}.function-summary-grid .index{color:var(--accent-text);margin-bottom:25px}.function-summary-grid p{font-size:14px;color:var(--muted)}.function-summary-grid .text-link{margin-top:auto}.function-summary-grid h3{font-size:24px}@media(max-width:1000px){.function-layout{grid-template-columns:1fr}.function-sheet{max-width:500px;margin:auto;order:2}.function-summary-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.function-cards,.function-summary-grid{grid-template-columns:1fr}.function-cards article,.function-summary-grid>a{padding:24px}.function-layout{gap:28px}}

/* Product-card CTA and compact transition to the feature overview. */
.product-grid{padding-bottom:24px;align-items:start}.product-caption{align-items:center;gap:20px;flex-wrap:wrap;padding:20px 0 8px}.product-caption h2{margin-bottom:0}.product-caption .eyebrow{margin-bottom:10px}.product-cta{display:inline-flex;align-items:center;justify-content:space-between;gap:22px;min-height:48px;padding:13px 20px;background:var(--accent);color:#080808;font-size:13px;font-weight:700;line-height:1.5;white-space:nowrap}.product-cta>span{font-size:21px;line-height:1}.product-main:hover .product-cta,.product-main:focus-visible .product-cta{background:#ff8725}.product-main:hover .product-image{border-color:var(--accent)}.product-grid+.function-overview{padding-top:32px}.product-grid .accessories{padding-bottom:0}@media(max-width:640px){.product-grid{gap:24px;padding-bottom:16px}.product-caption{padding:18px 0 6px;gap:16px}.product-cta{width:100%}.product-grid .accessories{padding-top:12px}.product-grid .accessories .button{margin-top:20px}.product-grid+.function-overview{padding-top:28px}}

.breadcrumbs{padding-top:24px;font-size:12px;color:var(--muted)}.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;list-style:none;margin:0;padding:0}.breadcrumbs li{display:flex;align-items:center;gap:12px}.breadcrumbs li+li:before{content:"/";color:#90908b}.breadcrumbs a:hover{text-decoration:underline;color:var(--accent-text)}.breadcrumbs [aria-current]{color:var(--ink)}.breadcrumbs+.page-intro{padding-top:30px}.legacy-resource{padding-bottom:35px;font-size:13px;color:var(--accent-text)}

/* Intrinsic image dimensions reserve space; component rules retain their own sizing. */
img{height:auto}

.header-tools{display:flex;align-items:center;gap:12px;order:3}.language-switch{position:relative;border:0;padding:0;font-size:12px}.language-switch summary{list-style:none;border:1px solid var(--line);padding:9px 12px;cursor:pointer;font-size:12px;white-space:nowrap}.language-switch summary::-webkit-details-marker{display:none}.language-switch summary span{margin-left:8px}.language-options{position:absolute;right:0;top:calc(100% + 8px);z-index:20;background:var(--paper);border:1px solid var(--line);padding:8px;min-width:170px;box-shadow:0 8px 25px #0002}.language-options a{display:block;padding:8px 12px}.language-options a:hover,.language-options a[aria-current]{background:var(--surface);color:var(--accent-text)}.header{gap:20px}.header nav{gap:20px}.header nav a{white-space:nowrap}html:not([lang="en"]) h1{font-size:clamp(40px,5.2vw,70px);letter-spacing:-2.5px;overflow-wrap:anywhere}html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3{letter-spacing:0;line-height:1.25}html[lang="zh-CN"] .eyebrow{letter-spacing:1px}.button{overflow-wrap:anywhere}h2,h3{overflow-wrap:anywhere}@media(min-width:641px) and (max-width:1120px){.header{height:auto;min-height:106px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}.header nav{order:4;width:100%;justify-content:space-between;gap:12px}.header-tools{margin-left:auto}}@media(max-width:640px){.header-tools{gap:8px}.header{gap:8px}.language-switch summary{padding:8px}.header nav a{white-space:normal}html:not([lang="en"]) h1{font-size:43px;letter-spacing:-1.5px}html[lang="zh-CN"] h1{letter-spacing:0}.button{white-space:normal}.product-cta{white-space:normal}.language-options{right:0}.header .brand{font-size:27px}}

/* Contact: compact chat guidance, with a clear arrow toward the right-hand widget. */
.contact-grid{align-items:center;gap:48px;padding-bottom:64px}.contact-grid>div{min-width:0}.contact-grid .email{overflow-wrap:anywhere}.contact-chat{position:relative;display:flex;align-items:center;gap:16px;padding:36px;background:#fff7f0;border-top:3px solid var(--accent)}.chat-copy{flex:1;min-width:0}.contact-chat h2{font-size:36px;margin:0 0 16px}.contact-chat .eyebrow{margin-bottom:16px}.contact-chat .chat-copy>p:not(.eyebrow){color:var(--muted)}.contact-chat .button{margin-top:10px;cursor:pointer}.chat-guide-arrow{width:120px;flex:0 0 120px;color:var(--accent);align-self:center}.contact-chat #chat-status:empty{display:none}.contact-chat #chat-status{margin:16px 0 0}.contact-chat .button:focus-visible{outline:3px solid var(--ink);outline-offset:4px}@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:30px}.chat-guide-arrow{width:150px;flex-basis:150px}}@media(max-width:640px){.contact-grid{padding-bottom:40px}.contact-chat{padding:25px 22px;gap:8px}.contact-chat h2{font-size:30px}.chat-guide-arrow{width:70px;flex-basis:70px}.contact-chat .button{min-height:48px}}

.contact-whatsapp{margin:24px 0}.contact-whatsapp .button{margin:0;min-height:48px;height:auto}.contact-whatsapp .small{margin:9px 0 0;color:var(--muted)}.contact-whatsapp .button:focus-visible{outline:3px solid var(--ink);outline-offset:4px}