:root{--navy:#0a1f3c;--navy-2:#102a4c;--navy-3:#16365f;--blue:#1763e6;--blue-light:#4d8bff;--orange:#f5a524;--ink:#1a2230;--gray:#5b6678;--line:#e3e8f0;--bg:#f5f7fa;--card:#fff;--radius:10px;--wrap:1200px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,PingFang SC,Hiragino Sans GB,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul{list-style:none}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 26px;border-radius:8px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:transform .15s ease,box-shadow .15s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--blue);color:#fff}.btn-orange{background:var(--orange);color:#2a1c00}.btn-ghost{background:transparent;color:#fff;border:1px solid hsla(0,0%,100%,.4)}.btn-line{background:#fff;color:var(--blue);border:1px solid var(--blue)}.section{padding:64px 0}.section-tight{padding:44px 0}.eyebrow{display:inline-block;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}.h2{font-size:28px;font-weight:800;color:var(--navy);line-height:1.4}.lead{color:var(--gray);font-size:16px;margin-top:10px;max-width:760px}.topbar{background:var(--navy);color:#c7d4e6;font-size:13px}.topbar .wrap{display:flex;justify-content:space-between;padding:7px 20px}.topbar a:hover{color:#fff}.header{background:#fff;position:-webkit-sticky;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(10,31,60,.07)}.header .wrap{gap:24px;padding:12px 20px}.header .wrap,.logo{display:flex;align-items:center}.logo{gap:12px}.logo img{height:46px;width:auto}.logo-tag{color:var(--gray);font-size:12px;padding-left:12px;border-left:1px solid var(--line);line-height:1.4}.mainnav{display:flex;gap:2px;margin-left:auto}.mainnav a{color:var(--ink);padding:8px 13px;border-radius:6px;font-size:15px;font-weight:500}.mainnav a:hover{background:#eef4ff;color:var(--blue)}.header-cta{color:var(--blue);font-weight:800;font-size:16px;white-space:nowrap}.footer{background:var(--navy);color:#9fb0c8;font-size:14px;padding:48px 0 22px}.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;grid-gap:36px;gap:36px}.footer h4{color:#fff;font-size:15px;margin-bottom:14px}.footer a{display:block;padding:4px 0}.footer a:hover{color:#fff}.footer .bottom{border-top:1px solid hsla(0,0%,100%,.1);margin-top:34px;padding-top:18px;text-align:center;color:#6f819b;font-size:13px}.floatbar{position:fixed;right:16px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:8px}.floatbar a{background:var(--blue);color:#fff;padding:11px 14px;border-radius:8px;font-size:13px;font-weight:600;text-align:center;box-shadow:0 6px 18px rgba(23,99,230,.4)}.floatbar a.orange{background:var(--orange);color:#2a1c00}.hero{background:linear-gradient(135deg,var(--navy) 0,var(--navy-3) 100%);color:#fff;padding:76px 0 84px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;background:radial-gradient(circle,rgba(23,99,230,.35),transparent 70%)}.hero h1{font-size:42px;line-height:1.3;font-weight:800;max-width:820px}.hero h1 .hl{color:var(--orange)}.hero p{color:#c4d2e6;font-size:18px;margin-top:18px;max-width:680px}.hero .cta{margin-top:30px;gap:14px}.hero .cta,.hero .stats{display:flex;flex-wrap:wrap}.hero .stats{gap:40px;margin-top:44px}.hero .stats div b{font-size:30px;color:#fff}.hero .stats div span{color:#9fb0c8;font-size:13px;display:block}.grid{display:grid;grid-gap:20px;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .18s ease,transform .18s ease}.card:hover{box-shadow:0 12px 30px rgba(10,31,60,.12);transform:translateY(-3px)}.scene-card{padding:26px;border-top:3px solid var(--blue)}.scene-card h3{font-size:19px;color:var(--navy);margin-bottom:8px}.scene-card p{color:var(--gray);font-size:14px}.scene-card .tag{color:var(--blue);font-weight:600;font-size:14px;margin-top:12px;display:inline-block}.prod-card img{width:100%;height:200px;object-fit:contain;background:#fff;padding:12px;border-bottom:1px solid var(--line)}.prod-card .pc-body{padding:16px 18px}.prod-card .pc-model{color:var(--blue);font-weight:700;font-size:13px}.prod-card h3{font-size:16px;color:var(--navy);margin:4px 0 6px}.prod-card p{color:var(--gray);font-size:13px}.pagehead{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;padding:50px 0}.pagehead h1{font-size:32px;font-weight:800}.pagehead p{color:#b9c8df;margin-top:8px}.crumb{color:#8fa3c0;font-size:13px;margin-bottom:14px}.crumb a:hover{color:#fff}.pd-top{display:grid;grid-template-columns:1fr 1fr;grid-gap:36px;gap:36px}.pd-gallery .main{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}.pd-gallery .main img{width:100%;height:380px;object-fit:contain;padding:14px}.pd-thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.pd-thumbs img{width:66px;height:66px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:6px;padding:3px}.pd-info .pd-title{font-size:25px;color:var(--navy);line-height:1.4}.pd-info .model-badge{display:inline-block;background:var(--blue);color:#fff;padding:3px 12px;border-radius:5px;font-weight:700;font-size:13px;margin-bottom:10px}.pd-info .tagline{color:var(--orange);font-weight:700;margin:10px 0}.pd-info .summary{color:var(--gray);background:#fff;border-left:3px solid var(--blue);padding:12px 16px;border-radius:0 8px 8px 0}.block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-top:22px}.block h2{font-size:20px;color:var(--navy);margin-bottom:16px;padding-left:12px;border-left:4px solid var(--orange)}.spec-table{width:100%;border-collapse:collapse}.spec-table tr{border-bottom:1px solid var(--line)}.spec-table td{padding:11px 8px;font-size:14px;vertical-align:top}.spec-table td:first-child{width:34%;color:var(--gray);background:#f8fafc;font-weight:600}.hl-list li{padding:9px 0 9px 28px;position:relative;font-size:15px;border-bottom:1px dashed var(--line)}.hl-list li:before{content:"✓";position:absolute;left:0;top:9px;color:#fff;background:var(--blue);width:19px;height:19px;border-radius:50%;font-size:12px;text-align:center;line-height:19px}.faq-item{border-bottom:1px solid var(--line);padding:14px 0}.faq-item .q{font-weight:700;color:var(--navy)}.faq-item .q:before{content:"Q ";color:var(--orange);font-weight:800}.faq-item .a{color:var(--gray);margin-top:6px;font-size:14px}.faq-item .a:before{content:"A ";color:var(--blue);font-weight:800}.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}.article .answer-short{background:#eef4ff;border:1px solid #cfe0ff;border-radius:8px;padding:16px 18px;color:var(--navy);font-weight:500;margin-bottom:22px}.article p{margin:14px 0;font-size:16px}.form-grid{display:grid;grid-gap:14px;gap:14px}.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:7px;font-size:14px;font-family:inherit}.form-grid textarea{min-height:110px;resize:vertical}@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}.footer .cols{grid-template-columns:1fr 1fr}.pd-top{grid-template-columns:1fr}.hero h1{font-size:30px}.header .wrap{flex-wrap:wrap;gap:10px 14px;padding:10px 14px}.header-cta{margin-left:auto;font-size:14px}.mainnav{order:3;width:100%;margin-left:0;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;border-top:1px solid var(--line);padding-top:6px}.mainnav::-webkit-scrollbar{height:0}.mainnav a{white-space:nowrap;padding:7px 11px;font-size:14px}.logo img{height:38px}.logo-tag{display:none}}@media (max-width:560px){.wrap{padding:0 14px}.section,.section-tight{padding:36px 0}.footer .cols,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.hero{padding:48px 0 52px}.hero h1{font-size:23px}.hero p{font-size:16px}.hero .stats{gap:22px}.hero .stats div b{font-size:24px}.h2{font-size:22px}.topbar .wrap{font-size:11px;gap:8px}.pd-gallery .main img{height:280px}.pagehead{padding:32px 0}.pagehead h1{font-size:24px}.article,.block{padding:18px}.floatbar a{padding:9px 10px;font-size:12px}.dl-row{flex-direction:column;align-items:flex-start}}.news-summary{background:#eef4ff;border:1px solid #cfe0ff;border-radius:8px;padding:14px 16px;color:var(--navy);font-weight:500;font-size:15px}.news-cover{width:100%;border-radius:10px;margin:20px 0}.news-h{font-size:21px;color:var(--navy);margin:26px 0 12px;padding-left:12px;border-left:4px solid var(--orange)}.news-p{font-size:16px;margin:14px 0;color:var(--ink)}.news-p a{color:var(--blue);font-weight:600}.news-quote{background:var(--navy);color:#fff;border-radius:10px;padding:18px 22px;font-size:15px;font-weight:500}.news-fig,.news-quote{margin:22px 0}.news-fig img{width:100%;border-radius:10px}.news-fig figcaption{color:var(--gray);font-size:13px;text-align:center;margin-top:8px}.news-list{margin:14px 0}.news-list li{padding:9px 0 9px 26px;position:relative;font-size:15px;border-bottom:1px dashed var(--line)}.news-list li:before{content:"▶";position:absolute;left:0;top:9px;color:var(--blue);font-size:11px}.news-tags{margin:24px 0 4px}.news-tags span{display:inline-block;background:#f0f3f8;color:var(--gray);font-size:13px;padding:3px 11px;border-radius:999px;margin:0 6px 6px 0}.news-cta{background:#f8fafc;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:0 8px 8px 0;padding:16px 18px;margin-top:24px;font-size:14px;color:var(--gray)}.news-cta a{color:var(--blue);font-weight:700}.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);will-change:opacity,transform}.js .reveal.in{opacity:1;transform:none}.js .reveal-stagger>*{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}.js .reveal-stagger.in>*{opacity:1;transform:none}.js .reveal-stagger.in>:first-child{transition-delay:.04s}.js .reveal-stagger.in>:nth-child(2){transition-delay:.1s}.js .reveal-stagger.in>:nth-child(3){transition-delay:.16s}.js .reveal-stagger.in>:nth-child(4){transition-delay:.22s}.js .reveal-stagger.in>:nth-child(5){transition-delay:.28s}.js .reveal-stagger.in>:nth-child(6){transition-delay:.34s}.js .reveal-stagger.in>:nth-child(7){transition-delay:.4s}.js .reveal-stagger.in>:nth-child(8){transition-delay:.46s}@media (prefers-reduced-motion:reduce){.js .reveal,.js .reveal-stagger>*{opacity:1!important;transform:none!important;transition:none!important}}.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.9}.hero>.wrap{position:relative;z-index:1}.hero:before{content:"";position:absolute;left:-120px;bottom:-120px;width:360px;height:360px;z-index:0;background:radial-gradient(circle,rgba(245,165,36,.18),transparent 70%)}.hero .eyebrow{position:relative}.hero .stats div b{display:inline-block;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:.5px;background:linear-gradient(180deg,#fff,#bcd2f5);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.pagehead{position:relative;overflow:hidden}.pagehead:before{content:"";position:absolute;inset:0;z-index:0;opacity:.5;background-image:linear-gradient(rgba(120,160,230,.1) 1px,transparent 0),linear-gradient(90deg,rgba(120,160,230,.1) 1px,transparent 0);background-size:34px 34px;mask-image:radial-gradient(ellipse 80% 90% at 80% 10%,#000,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 90% at 80% 10%,#000,transparent 75%)}.pagehead .wrap{z-index:1}.card,.pagehead .wrap{position:relative}.card:after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,transparent,var(--blue-light),transparent);transform:scaleX(0);transform-origin:left;transition:transform .4s ease;opacity:0}.card:hover:after{transform:scaleX(1);opacity:1}.card:hover{box-shadow:0 14px 34px rgba(10,31,60,.14),0 0 0 1px rgba(77,139,255,.35)}.scene-card{position:relative;overflow:hidden}.scene-card:before{content:"";position:absolute;top:0;left:-60%;width:60%;height:100%;background:linear-gradient(105deg,transparent,rgba(77,139,255,.08),transparent);transition:left .6s ease;pointer-events:none}.scene-card:hover:before{left:130%}.scene-card .tag{transition:letter-spacing .25s ease,transform .25s ease}.scene-card:hover .tag{letter-spacing:1px}.prod-card img{transition:transform .35s ease}.prod-card:hover img{transform:scale(1.05)}.btn{position:relative;overflow:hidden}.btn-orange,.btn-primary{isolation:isolate}.btn-orange:before,.btn-primary:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 30%,hsla(0,0%,100%,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .6s ease}.btn-orange:hover:before,.btn-primary:hover:before{transform:translateX(120%)}.eyebrow{padding-left:0}.eyebrow,.hero h1 .hl,.section .h2{position:relative}.video-card{overflow:hidden}.video-thumb{position:relative;height:150px;background:linear-gradient(135deg,var(--navy),var(--navy-3))}.video-thumb,.video-thumb .play{display:flex;align-items:center;justify-content:center}.video-thumb .play{width:52px;height:52px;border-radius:50%;background:hsla(0,0%,100%,.18);color:#fff;font-size:20px;border:2px solid hsla(0,0%,100%,.6);padding-left:4px}.video-card:hover .play{background:var(--orange);color:#2a1c00;border-color:var(--orange)}.video-thumb .dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.6);color:#fff;font-size:12px;padding:1px 7px;border-radius:4px}.vc-body{padding:13px 15px}.vc-type{color:var(--blue);font-size:12px;font-weight:700}.vc-body h3{font-size:14px;color:var(--navy);margin:4px 0;line-height:1.5}.vc-body p{color:var(--gray);font-size:12px}.video-player{border-radius:10px;overflow:hidden}.dl-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}.dl-row:last-child{border-bottom:none}.dl-row .btn{white-space:nowrap;flex-shrink:0}@media (max-width:640px){.dl-row{flex-direction:column;align-items:flex-start}}.aeo-answer{position:relative;margin:18px 0;background:linear-gradient(135deg,#eef4ff,#f6faff);border:1px solid #cfe0ff;border-left:4px solid var(--blue);border-radius:12px;padding:18px 20px 18px 22px;box-shadow:0 4px 18px rgba(23,99,230,.06)}.aeo-answer .aeo-tag{display:inline-flex;align-items:center;gap:7px;background:var(--blue);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:11px;letter-spacing:.5px}.aeo-answer .aeo-dot{width:7px;height:7px;border-radius:50%;background:#fff;display:inline-block}.js .aeo-answer .aeo-dot{animation:aeoPulse 1.6s ease-in-out infinite}@keyframes aeoPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.aeo-answer .aeo-body{color:var(--navy);font-size:16px;line-height:1.85}.aeo-answer .aeo-body strong{color:var(--blue);font-weight:700}.aeo-answer .aeo-body a{color:var(--blue);font-weight:600}.faq-acc-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}.faq-acc-item.open{border-color:rgba(77,139,255,.5);box-shadow:0 6px 20px rgba(10,31,60,.08)}.faq-acc-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;font-size:16px;font-weight:700;color:var(--navy);font-family:inherit;line-height:1.6;-webkit-tap-highlight-color:transparent}.faq-acc-q:before{content:"Q";color:var(--orange);font-weight:800;margin-right:8px;flex-shrink:0}.faq-acc-qtext{flex:1 1}.faq-acc-q:hover{color:var(--blue)}.faq-acc-icon{position:relative;width:16px;height:16px;flex-shrink:0}.faq-acc-icon:after,.faq-acc-icon:before{content:"";position:absolute;background:var(--blue);border-radius:2px;transition:transform .28s ease,opacity .28s ease}.faq-acc-icon:before{left:0;top:7px;width:16px;height:2px}.faq-acc-icon:after{left:7px;top:0;width:2px;height:16px}.faq-acc-item.open .faq-acc-icon:after{transform:rotate(90deg);opacity:0}.faq-acc-a{overflow:hidden}.faq-acc-a-inner{padding:0 18px 16px;color:var(--gray);font-size:15px;line-height:1.85}.faq-acc-a-inner:before{content:"A ";color:var(--blue);font-weight:800}.js .faq-acc-a{max-height:0;transition:max-height .32s ease}.js .faq-acc-item.open .faq-acc-a{max-height:640px}@media (hover:none){.card:hover{transform:none;box-shadow:0 1px 3px rgba(10,31,60,.08)}.card:hover:after{transform:scaleX(0);opacity:0}.btn:hover,.prod-card:hover img{transform:none}}.card:active{transform:scale(.985)}.btn:active{transform:scale(.96)}.btn,.card,a,button{-webkit-tap-highlight-color:rgba(23,99,230,.12)}@media (max-width:560px){.aeo-answer{padding:14px 14px 14px 16px;border-radius:10px;margin:14px 0}.aeo-answer .aeo-body{font-size:15px;line-height:1.8}.faq-acc-q{padding:13px 14px;font-size:15px}.faq-acc-a-inner{padding:0 14px 14px;font-size:14px}.mainnav a{padding:9px 12px}.btn{padding:12px 22px}.floatbar{right:10px;bottom:14px}}.further-reading{border-top:3px solid var(--blue)}.further-reading .fr-group{margin-bottom:16px}.further-reading .fr-label{display:inline-block;font-size:12px;font-weight:700;color:var(--gray);letter-spacing:1px;margin-bottom:10px}.further-reading .fr-links{display:flex;flex-wrap:wrap;gap:9px}.further-reading .fr-link{display:inline-block;padding:8px 14px;border-radius:999px;font-size:14px;line-height:1.4;border:1px solid var(--line);background:#f8fafc;color:var(--ink);transition:all .18s ease;-webkit-tap-highlight-color:rgba(23,99,230,.12)}.further-reading .fr-guide{border-color:#cfe0ff;background:#eef4ff;color:var(--navy)}.further-reading .fr-guide:before{content:"❓ "}.further-reading .fr-term:before{content:"# ";color:var(--blue);font-weight:700}.further-reading .fr-link:hover{border-color:var(--blue);color:var(--blue);box-shadow:0 4px 12px rgba(23,99,230,.15);transform:translateY(-1px)}.further-reading .fr-link:active{transform:scale(.97)}.further-reading .fr-cta{margin-top:18px;padding:16px 18px;border-radius:10px;background:linear-gradient(135deg,var(--navy) 0,var(--navy-3) 100%);color:#dce8ff;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;line-height:1.7}.further-reading .fr-cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}@media (hover:none){.further-reading .fr-link:hover{transform:none;box-shadow:none;border-color:var(--line);color:var(--ink)}.further-reading .fr-guide:hover{border-color:#cfe0ff;color:var(--navy)}}@media (max-width:560px){.further-reading .fr-link{padding:9px 13px;font-size:13px}.further-reading .fr-cta{flex-direction:column;align-items:stretch;text-align:left;padding:14px}.further-reading .fr-cta-actions{width:100%}.further-reading .fr-cta-actions .btn{flex:1 1;text-align:center}}