*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:#202422;background:#fff;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;letter-spacing:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{display:block;width:100%;object-fit:cover}header{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #e5e7e5}.brand{font-size:28px;font-weight:800}.brand span{font-size:12px;font-weight:400;margin-left:20px;border-left:1px solid #aaa;padding-left:20px}nav{display:flex;align-items:center;gap:30px;font-size:14px}nav a:hover{color:#d4382c}.contact-link{border-bottom:2px solid #dc4033;padding-bottom:4px}.menu{display:none}.hero{height:660px;max-height:calc(100svh - 145px);min-height:480px;position:relative;overflow:hidden;background:#222}.hero>img{height:100%;object-position:center 55%}.hero-copy{position:absolute;inset:0 auto 0 0;width:45%;padding:45px 5%;color:white;background:rgba(18,25,23,.88)}.kicker{font-size:12px;margin:0 0 24px;font-weight:600}.hero h1{font-size:82px;line-height:1;margin:30px 0 20px}.hero-title{font-size:28px;font-weight:600;margin-bottom:16px}.hero-copy>p:not(.hero-title):not(.kicker){font-size:15px;color:#c9d0cc}.button{background:#d4382c;padding:14px 22px;display:inline-flex;gap:32px;align-items:center;margin-top:22px;font-size:14px}.button:hover{background:#b62720}.hero-caption{position:absolute;bottom:20px;right:3%;color:white;font-size:11px;text-shadow:0 1px 3px #000}.hero-caption span{margin-left:20px}.intro-band{padding:32px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ddd;gap:24px}.intro-band>span{font-size:11px;color:#d4382c}.intro-band p{margin:0;font-size:20px}.intro-band a{font-size:13px}.section{padding:96px 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#8da999;margin:0 12%}.gateway{background:#245642;color:white;text-align:center;padding:15px;font-size:20px}.gateway span{display:block;font-size:12px;color:#d9e8e0}.network-end{text-align:center;font-size:13px;padding-top:25px}.network-end small{display:block;color:#76857c;font-size:11px}.features article{display:flex;gap:25px;border-bottom:1px solid #ddd;padding:20px 0}.features article:first-child{padding-top:0}.features b{color:#bd362b;font-size:12px;padding-top:5px}.features h3{font-size:20px;margin:0 0 8px}.features p{font-size:14px;color:#727772;margin:0}.products{background:#f4f5f3}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.product-image{height:260px;overflow:hidden;margin-bottom:26px;background-color:#e3e8e3}.product-image img{height:100%}.chip,.router{background-image:url("assets/network-solutions.png");background-size:auto 560%;background-repeat:no-repeat}.chip{background-position:41.6% 78.3%}.router{background-position:76.9% 77.2%}.number{font-size:11px;color:#697369}.product-grid p{font-size:14px;color:#697369}.tags{border-top:1px solid #cdd2cd;padding-top:18px;font-size:12px;color:#455d4c}.tabs{display:flex;border-bottom:1px solid #ccc;gap:32px;margin-bottom:30px}.tabs button{border:0;border-bottom:3px solid transparent;background:none;padding:16px 0;color:#68706a;white-space:nowrap}.tabs button[aria-selected=true]{border-color:#d4382c;color:#202422;font-weight:bold}.scene{display:grid;grid-template-columns:1.4fr 1fr;background:#f4f5f3;min-height:450px}.scene>img{height:450px}.scene-copy{padding:35px 40px}.scene-copy h3{font-size:28px}.scene-copy p,.scene-copy li{font-size:14px;color:#68706a}.scene-copy ul{padding-left:18px;margin:24px 0}.scene-copy li{margin:8px 0}.scene-copy a{font-size:13px;border-bottom:1px solid #d4382c}.delivery{background:#edf2ee}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}.steps article{border-top:1px solid #91a496;padding-top:22px}.steps b{font-size:38px;font-weight:400;color:#799383}.steps h3{font-size:19px}.steps p{font-size:14px;color:#697369}.contact{background:#232a25;color:#fff;position:relative}.contact .kicker{color:#a9bead}.contact h2{font-size:48px;margin-bottom:30px}.email{font-size:26px;border-bottom:1px solid #b3cbb9;display:inline-block;padding-bottom:10px;overflow-wrap:anywhere}.contact>p:last-child{margin:32px 0 0;color:#a9bead;font-size:14px}footer{padding:30px 5%;display:flex;justify-content:space-between;align-items:center;gap:24px}footer span{font-size:12px;color:#777}:focus-visible{outline:3px solid #d4382c;outline-offset:5px}
@media(min-width:1600px){.hero-copy{padding-left:8%}.section,header,.intro-band,footer{padding-left:8%;padding-right:8%}}
@media(max-width:1000px){nav{gap:17px}.section-head{grid-template-columns:1fr 2fr}.section-head>p:last-child{grid-column:2}.technology{gap:30px}.hero-copy{width:55%}.product-image{height:200px}.scene-copy{padding:26px}.section{padding-top:70px;padding-bottom:70px}}
@media(max-width:700px){header{height:68px}.brand{font-size:24px}.menu{display:block;border:0;background:none;font-size:24px;padding:5px 8px}nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:25px 5%;border-bottom:1px solid #ccc}nav.open{display:flex;flex-direction:column;align-items:stretch;gap:22px}.hero{min-height:570px;height:650px;max-height:calc(100svh - 110px)}.hero>img{object-position:65% center}.hero-copy{width:100%;inset:auto 0 0;padding:24px 5%;background:rgba(18,25,23,.9)}.hero h1{font-size:54px;margin:14px 0}.hero-title{font-size:24px;margin:12px 0}.hero-copy .kicker{margin-bottom:12px}.hero-copy>p:not(.hero-title):not(.kicker){font-size:13px}.button{margin-top:8px}.hero-caption{display:none}.intro-band{flex-wrap:wrap;padding-top:24px;padding-bottom:24px}.intro-band p{font-size:17px}.intro-band a{margin-left:auto}.section-head{display:block;margin-bottom:30px}.section-head .kicker{margin-bottom:20px}.section-head>p:last-child{margin-top:20px;max-width:none}h2{font-size:30px}.technology,.product-grid,.scene{grid-template-columns:1fr}.network{padding:25px 18px}.network-top{font-size:30px}.network-grid{gap:8px}.features article{padding:20px 0}.product-grid{gap:40px}.product-image{height:270px}.tabs{gap:24px;overflow:auto}.tabs button{font-size:14px}.scene>img{height:270px}.scene-copy{padding:28px 22px}.scene-copy h3{font-size:26px}.steps{grid-template-columns:1fr 1fr;gap:25px}.contact h2{font-size:34px}.email{font-size:21px}footer{align-items:flex-start;flex-direction:column;gap:10px}.section{padding-top:58px;padding-bottom:58px}}
.product-image.chip,.product-image.router{background:#e8ede8;display:flex;align-items:center;justify-content:center}
.chip::before,.router::before{content:"";display:block;width:200px;height:200px;border-radius:50%;background-image:url("assets/network-solutions.png");background-size:901.136% 563.636%;background-repeat:no-repeat}
.chip::before{background-position:41.63% 78.31%}.router::before{background-position:76.88% 77.21%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.wireless-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero-copy,.hero-caption{z-index:1}
.motion-toggle{position:absolute;right:22px;top:22px;z-index:2;width:40px;height:40px;border:1px solid #ffffff70;color:white;background:#202a25c9;border-radius:50%;display:grid;place-items:center;font-size:18px}
.motion-toggle:hover{background:#245642}
.network-grid span{animation:node-connect 4.8s ease-in-out infinite}
.network-grid span:nth-child(2){animation-delay:1.6s}
.network-grid span:nth-child(3){animation-delay:3.2s}
.network-route{position:relative}
.network-route::before,.network-route::after{content:"";position:absolute;top:0;left:-3px;width:5px;height:14px;background:#31875a;animation:data-transfer 2.8s linear infinite}
.network-route::after{left:auto;right:-3px;animation-delay:1.4s}
.button span{transition:transform .25s}
.button:hover span{transform:translate(3px,-3px)}
@keyframes node-connect{0%,65%,100%{background:#fff;border-color:#8da999}20%,40%{background:#d9ebdd;border-color:#31875a}}
@keyframes data-transfer{0%{top:0;opacity:0}15%,80%{opacity:1}100%{top:calc(100% - 14px);opacity:0}}
.motion-paused .network-grid span,.motion-paused .network-route::before,.motion-paused .network-route::after{animation-play-state:paused}
.technical-depth{background:#fafbf9;border-top:1px solid #e0e7df}
.data-path{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:48px}
.data-path>div{border-top:2px solid #9cb19f;padding-top:20px;position:relative}
.data-path b{font-size:12px;color:#b4382c}.data-path h3{font-size:20px}.data-path p{font-size:13px;color:#68746a}
.technical-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 60px}
.technical-grid article{padding:30px 0;border-top:1px solid #d5ddd4}
.technical-grid h3{font-size:22px}.technical-grid p,.technical-grid li{font-size:14px;color:#606d62}.technical-grid ul{padding-left:20px}.technical-grid li{margin:8px 0}
.validation{display:grid;grid-template-columns:1fr 2fr auto;gap:30px;border-top:1px solid #b9cabb;margin-top:30px;padding-top:28px;align-items:start}
.validation p{font-size:14px;color:#606d62}.validation a{font-size:13px}
.reveal{transition:opacity .7s ease,transform .7s ease;transition-delay:var(--reveal-delay,0ms)}
.reveal.pending{opacity:0;transform:translateY(24px)}
.data-path>div::before,.steps article::before{content:"";position:absolute;top:-2px;left:0;width:22%;height:2px;background:#d4382c;animation:process-flow 4s ease-in-out infinite;animation-delay:var(--reveal-delay,0ms)}
.steps article{position:relative}
.product-image img,.product-image::before{transition:transform .7s ease}
.product-grid article:hover .product-image img,.product-grid article:hover .product-image::before{transform:scale(1.035)}
.scene.changing{animation:scene-arrive .6s ease}
.contact .email{transition:color .3s,padding-left .3s}
.contact .email:hover{color:#b2dfbc;padding-left:8px}
@keyframes process-flow{0%{left:0;opacity:0}20%,70%{opacity:1}100%{left:78%;opacity:0}}
@keyframes scene-arrive{from{opacity:.55;transform:translateY(8px)}to{opacity:1;transform:none}}
body.motion-paused *,body.motion-paused *::before,body.motion-paused *::after{animation-play-state:paused!important}
.motion-paused .reveal.pending{opacity:1;transform:none}
@media(max-width:700px){.technical-grid{grid-template-columns:1fr}.data-path{grid-template-columns:1fr 1fr}.validation{grid-template-columns:1fr;gap:12px}}
@media(prefers-reduced-motion:reduce){.reveal,.product-image img,.product-image::before,.contact .email{transition:none}.reveal.pending{opacity:1;transform:none}.data-path>div::before,.steps article::before,.scene.changing{animation:none}}
@media(prefers-reduced-motion:reduce){.network-grid span,.network-route::before,.network-route::after{animation:none}.network-route::before,.network-route::after{display:none}.button span{transition:none}}