:root{--brand: #0075c2;--brand-dark: #00568f;--accent: #abcd03;--accent-dark: #8ca800;--ink: #1c1e21;--ink-soft: #5b6470;--ink-faint: #8a93a0;--line: #e3e7ed;--surface: #ffffff;--surface-alt: #f6f8fb;--radius: 10px;--maxw: 1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--surface);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.site-header{position:relative;background:linear-gradient(90deg,#abcd03,#8ca800);color:#1c2530}.site-header:after{content:"";position:absolute;left:0;right:0;bottom:-12px;height:12px;background:linear-gradient(to bottom,#0075c238,#0075c200);pointer-events:none}.site-header .container{display:flex;align-items:center;gap:28px;height:60px}.brand{display:inline-flex;align-items:center;line-height:0;white-space:nowrap}.brand-logo{display:block;height:34px;width:auto;background:#fff;padding:5px 12px;border-radius:8px;box-shadow:0 1px 4px #0000002e}.main-nav{display:flex;gap:22px;font-size:14px}.main-nav a{opacity:.82;padding:4px 0}.main-nav a:hover{opacity:1;border-bottom:2px solid var(--brand)}.header-right{margin-left:auto;display:flex;align-items:center;gap:16px}.lang-switch{font-size:13px;border:1px solid rgba(255,255,255,.35);border-radius:6px;padding:4px 10px;opacity:.85}.lang-switch:hover{opacity:1;border-color:var(--brand)}.search-bar{background:#f3f7e3;border-bottom:1px solid #e0ecc4}.search-bar .container{display:flex;align-items:center;gap:12px;padding-top:14px;padding-bottom:14px}.search-bar form{display:flex;flex:1;max-width:520px}.search-bar input{flex:1;padding:9px 14px;border:1px solid var(--line);border-radius:6px 0 0 6px;font-size:14px;background:#fff;color:var(--ink)}.search-bar button{padding:9px 18px;border:0;border-radius:0 6px 6px 0;background:var(--accent);color:#1c2530;font-size:14px;font-weight:600;cursor:pointer}.search-bar button:hover{background:var(--accent-dark);color:#fff}.breadcrumb{font-size:13px;color:var(--ink-faint);padding:18px 0 6px}.breadcrumb a:hover{color:var(--brand)}.breadcrumb .sep{margin:0 8px;color:#c6ccd6}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin:34px 0 16px}.section-head h2{font-size:20px;font-weight:700;margin:0;color:var(--accent-dark);padding-bottom:4px}.section-head a{font-size:13px;color:var(--brand)}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(430px,1fr));gap:26px}.category-card{border:1px solid var(--line);border-left:6px solid var(--brand);border-radius:var(--radius);padding:36px 32px;background:#fff;transition:border-color .15s,box-shadow .15s,transform .15s;min-height:280px;display:flex;flex-direction:column;gap:16px}.category-card:hover{border-color:var(--brand);box-shadow:0 6px 22px #0075c221;transform:translateY(-2px)}.category-card h3{margin:0;font-size:28px;font-weight:650;line-height:1.3;color:var(--ink)}.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.card-count{flex:none;font-size:12px;color:#5f7300;background:#abcd0329;border:1px solid rgba(171,205,3,.45);border-radius:999px;padding:2px 10px;white-space:nowrap}.category-card p{margin:0;font-size:15.5px;color:var(--ink-soft);line-height:1.55}.card-chips{list-style:none;margin:auto 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.card-chips li{font-size:13px;color:#4f6100;background:#abcd032e;border:1px solid rgba(171,205,3,.5);border-radius:999px;padding:6px 13px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.product-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:border-color .15s,transform .15s}.product-card:hover{border-color:var(--brand);transform:translateY(-2px)}.product-card .thumb{aspect-ratio:4 / 3;background:var(--surface-alt);display:flex;align-items:center;justify-content:center;color:var(--ink-faint);font-size:12px;overflow:hidden}.product-card .thumb img{width:100%;height:100%;object-fit:cover}.product-card .meta{padding:12px 14px 16px}.product-card .model{font-weight:600;font-size:14px}.product-card .series{font-size:12px;color:var(--ink-soft);margin-top:2px}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);overflow-x:auto;margin:10px 0 0}.tabs a{padding:10px 16px;font-size:14px;color:var(--ink-soft);border-bottom:2px solid transparent;white-space:nowrap}.tabs a:hover{color:var(--ink)}.tabs a.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:500}.chips{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 8px}.chip{border:1px solid var(--line);border-radius:20px;padding:5px 15px;font-size:13px;color:var(--ink-soft);background:#fff}.chip:hover{border-color:var(--brand);color:var(--brand)}.chip.active{background:var(--surface-alt);border-color:var(--brand);color:var(--brand)}.product-hero{display:grid;grid-template-columns:260px 1fr;gap:26px;align-items:start;padding:20px 0 10px}.product-hero .hero-image{aspect-ratio:4 / 3;background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--ink-faint);font-size:12px;overflow:hidden}.product-hero h1{margin:0 0 4px;font-size:26px;font-weight:600}.product-hero .subtitle{color:var(--ink-soft);font-size:15px;margin:0 0 14px}.related-rail{display:flex;gap:12px;overflow-x:auto;padding:10px 0 4px}.related-rail a{flex:0 0 132px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}.related-rail a:hover{border-color:var(--brand)}.related-rail .thumb{aspect-ratio:4 / 3;background:var(--surface-alt);display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--ink-faint)}.related-rail .name{font-size:12px;padding:6px 8px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.resource-layout{display:grid;grid-template-columns:200px 1fr;gap:28px;margin:18px 0 60px;align-items:start}.doc-sidebar ul{list-style:none;margin:0;padding:0}.doc-sidebar li a{display:block;padding:8px 12px;font-size:14px;border-radius:6px;color:var(--ink-soft)}.doc-sidebar li a:hover{background:var(--surface-alt);color:var(--ink)}.doc-sidebar li a.active{background:var(--surface-alt);color:var(--brand);font-weight:500}.resource-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.resource-list li{display:flex;align-items:center;gap:16px;padding:14px 4px;border-bottom:1px solid var(--line)}.resource-list .main{flex:1;min-width:0}.resource-list .title{font-size:15px;font-weight:500}.resource-list .sub{font-size:12px;color:var(--ink-faint);margin-top:2px}.resource-list .date{font-size:13px;color:var(--ink-soft);white-space:nowrap}.btn-download{display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#1c2530;font-size:13px;font-weight:600;white-space:nowrap}.btn-download:hover{background:var(--brand);border-color:var(--brand);color:#fff}.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:4px;background:#fdecec;color:#b42318;margin-left:8px}.firmware-item .version{font-size:15px;font-weight:600}.firmware-item .notes{font-size:13px;color:var(--ink-soft);margin-top:4px;white-space:pre-wrap}.firmware-item .checksum{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--ink-faint);margin-top:4px;word-break:break-all}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}.video-card .cover{aspect-ratio:16 / 9;background:#1c1e21;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;overflow:hidden}.video-card .title{font-size:14px;font-weight:500;margin-top:8px}.video-card .meta{font-size:12px;color:var(--ink-faint)}.video-embed{grid-column:1 / -1}.video-frame{position:relative;width:100%;aspect-ratio:16 / 9;background:#000;border-radius:10px;overflow:hidden}.video-frame iframe,.video-frame video{position:absolute;inset:0;width:100%;height:100%;border:0}.video-embed .title{margin-top:8px;font-size:14px;font-weight:500}.video-embed .meta{margin-top:2px;font-size:12px;color:var(--ink-faint)}.video-embed .meta .ext{margin-left:10px;color:var(--brand);text-decoration:none}.video-embed .meta .ext:hover{text-decoration:underline}.empty{padding:40px 0;color:var(--ink-faint);font-size:14px}.site-footer{position:relative;background:linear-gradient(90deg,#abcd03,#8ca800);margin-top:40px;padding:28px 0;font-size:13px;color:#1c2530eb}.site-footer:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px;background:linear-gradient(to top,#0075c238,#0075c200);pointer-events:none}.site-footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}@media(max-width:860px){.product-hero,.resource-layout{grid-template-columns:1fr}.doc-sidebar ul{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px}}