/* AIReson site - October 2026 launch revision */
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.lightbox{position:fixed;inset:0;max-width:96vw;max-height:95vh;border:0;background:transparent;overflow:visible;padding:0;text-align:center}.lightbox::backdrop{background:rgba(0,16,34,.90)}.lightbox img{max-width:93vw;max-height:86vh;object-fit:contain;display:block;border-radius:8px;box-shadow:0 10px 50px rgba(0,0,0,.3)}.lightbox-close{position:absolute;top:-42px;right:0;width:36px;height:36px;color:#fff;border:0;background:#105bac;border-radius:50%;font-size:26px;line-height:1}.lightbox-label{color:#e6efff;margin:8px 0;font-size:14px}
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@media(max-width:1000px){.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:83px;right:20px;left:20px;background:white;border:1px solid var(--line);padding:13px;border-radius:16px;box-shadow:var(--shadow);max-height:calc(100vh - 110px);overflow:auto}.main-nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.nav-link{display:block;padding:11px 13px;font-size:15px}.nav-link.active:after{display:none}.submenu{position:static;display:block;box-shadow:none;border:0;padding:0 10px}.submenu a{font-size:13px}.home-intro{align-items:start;flex-direction:column;gap:22px}.intro-actions{justify-content:flex-start}.project-intro-grid,.feature-spotlight,.method-intro,.learning-hero,.learning-next,.video-hero,.contact-grid,.split-promo,.spec-grid{grid-template-columns:1fr}.product-module,.product-module.reverse{grid-template-columns:1fr}.product-module.reverse>.module-copy,.product-module.reverse>.shot-button{order:initial}.steps-band,.feature-grid.five{grid-template-columns:repeat(3,1fr)}.service-grid,.workflow-grid{grid-template-columns:repeat(2,1fr)}.bottom-cta-inner{flex-direction:column;align-items:flex-start}.section{padding-block:62px}}
@media(max-width:650px){.container{width:min(100% - 32px,1380px)}.site-header{height:68px}.main-nav{top:67px}.brand img{height:43px}.topline{font-size:10px;height:26px}.hero{padding-top:12px}.hero-frame{border-radius:14px}.hero-banner{aspect-ratio:2013/778}.home-intro{padding-block:27px}.home-intro h1{font-size:28px}.metrics-inner{grid-template-columns:repeat(2,1fr);gap:22px}.metrics-inner>div:nth-child(2){border:0}.section{padding-block:46px}.section-head h2,.page-title-band h1{font-size:30px}.page-title-band{padding:44px 0}.feature-spotlight,.split-promo{padding:23px;gap:25px}.feature-grid.five,.duo-grid,.steps-band,.dev-steps,.service-grid,.learning-grid,.case-pair,.video-grid,.workflow-grid,.spec-cards,.secondary-shot,.footer-inner{grid-template-columns:1fr}.feature-card{min-height:0}.step-chip{padding:12px}.learning-hero,.product-module{gap:24px}.contact-card{padding:23px}.service-actions,.notice-box{flex-direction:column;align-items:start}.btn-row{align-items:stretch}.btn{white-space:normal}.footer-inner{gap:24px}.legal-row{flex-direction:column}.zoom-hint{opacity:1;font-size:10px;padding:5px 9px;right:8px;bottom:8px}.bottom-cta{padding:40px 0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important;transition:none!important}}


/* --- October 25 visual refresh: blended UI rendering & updated logo --- */
.site-header{background:rgba(255,255,255,.94);backdrop-filter:blur(16px)}
.brand img{height:62px;width:auto;filter:drop-shadow(0 12px 22px rgba(18,74,138,.08))}
.footer-brand img{height:84px;width:auto;filter:drop-shadow(0 16px 30px rgba(18,74,138,.08))}
.page-title-band{background:
radial-gradient(900px 280px at 10% 0%,rgba(0,156,245,.10),transparent 62%),
radial-gradient(560px 260px at 100% 0%,rgba(255,166,67,.13),transparent 58%),
linear-gradient(115deg,#eaf6ff,#f9fcff 58%,#e4f1ff)}
.feature-spotlight,.project-intro-grid,.secondary-shot,.video-tile,.contact-card,.notice-box{
background:
radial-gradient(400px 140px at 0% 0%,rgba(0,168,255,.09),transparent 70%),
radial-gradient(360px 150px at 100% 100%,rgba(255,164,79,.08),transparent 72%),
linear-gradient(135deg,rgba(255,255,255,.97),rgba(239,247,255,.96));
}
.project-intro-grid{padding:38px;border:1px solid #dce9f7;border-radius:28px;box-shadow:var(--shadow)}
.product-module{position:relative}
.product-module::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,#d6e6f7 12%,#d6e6f7 88%,transparent)}
.product-module:last-of-type::after{display:none}
.secondary-shot{border:1px solid #dce9f7;box-shadow:var(--shadow)}
.video-tile{padding:16px}
.case-pair{align-items:stretch}
.case-pair .shot-button,.video-grid .shot-button{height:100%}

.shot-button{
--glowA:rgba(0,159,237,.24);
--glowB:rgba(255,150,72,.20);
--gridColor:rgba(15,112,216,.10);
--shellTop:rgba(255,255,255,.95);
--shellBottom:rgba(228,240,255,.94);
position:relative;
isolation:isolate;
overflow:hidden;
width:100%;
padding:52px 18px 18px;
border-radius:30px;
border:1px solid rgba(194,215,238,.98);
background:
radial-gradient(520px 220px at -8% 22%,var(--glowA),transparent 68%),
radial-gradient(480px 240px at 108% 82%,var(--glowB),transparent 64%),
linear-gradient(145deg,rgba(255,255,255,.98),rgba(232,242,255,.96) 58%,rgba(223,237,255,.98));
box-shadow:0 24px 58px rgba(18,75,145,.12),inset 0 1px 0 rgba(255,255,255,.85);
transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
backdrop-filter:blur(14px);
text-align:left;
}
.shot-button:hover{transform:translateY(-4px);box-shadow:0 30px 70px rgba(18,75,145,.18),inset 0 1px 0 rgba(255,255,255,.88);border-color:#bdd6f2}
.shot-button::before{
content:'';
position:absolute;
left:16px;right:16px;top:14px;height:24px;
border-radius:999px;
background:
radial-gradient(circle at 22px 50%,#ff6d63 0 4px,transparent 4.7px),
radial-gradient(circle at 39px 50%,#ffbd36 0 4px,transparent 4.7px),
radial-gradient(circle at 56px 50%,#32d74b 0 4px,transparent 4.7px),
linear-gradient(180deg,var(--shellTop),var(--shellBottom));
border:1px solid rgba(199,217,239,.95);
box-shadow:inset 0 1px 0 rgba(255,255,255,.95);
z-index:2;
}
.shot-button::after{
content:'';
position:absolute;
inset:0;
z-index:1;
background:
linear-gradient(180deg,rgba(255,255,255,.20),rgba(255,255,255,0) 36%),
linear-gradient(90deg,var(--gridColor) 1px,transparent 1px),
linear-gradient(var(--gridColor) 1px,transparent 1px);
background-size:auto,58px 58px,58px 58px;
background-position:0 0,0 0,0 0;
opacity:.58;
mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.35));
}
.shot-button img{
position:relative;
z-index:3;
display:block;
width:100%;
height:auto;
border-radius:22px;
border:1px solid rgba(255,255,255,.95);
box-shadow:0 28px 56px rgba(6,37,86,.22),0 8px 18px rgba(10,55,108,.10);
}
.zoom-hint{z-index:4;right:16px;bottom:16px;background:rgba(8,41,82,.74);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.16)}
.shot-main{padding-top:54px}
.render-stage{background-blend-mode:screen,screen,normal}
.render-aurora{--glowA:rgba(0,179,255,.30);--glowB:rgba(255,168,84,.20);--gridColor:rgba(12,123,235,.09)}
.render-wave{--glowA:rgba(0,196,255,.20);--glowB:rgba(37,131,255,.18);--gridColor:rgba(20,120,220,.08);background:
radial-gradient(580px 220px at -10% 10%,rgba(0,214,255,.18),transparent 68%),
radial-gradient(560px 230px at 110% 100%,rgba(255,172,88,.18),transparent 64%),
linear-gradient(165deg,#fafdff,#edf6ff 58%,#dcefff)}
.render-prism{--glowA:rgba(145,105,255,.18);--glowB:rgba(0,207,255,.18);--gridColor:rgba(110,129,230,.10);background:
radial-gradient(520px 230px at 0% 100%,rgba(116,94,255,.18),transparent 70%),
radial-gradient(420px 180px at 100% 0%,rgba(0,210,255,.18),transparent 62%),
linear-gradient(145deg,#fbfdff,#eef6ff 52%,#ddeeff)}
.render-grid{--glowA:rgba(255,126,126,.12);--glowB:rgba(0,180,255,.18);--gridColor:rgba(18,110,210,.10);background:
radial-gradient(520px 210px at -6% 24%,rgba(255,129,159,.12),transparent 68%),
radial-gradient(530px 240px at 108% 84%,rgba(0,174,255,.18),transparent 63%),
linear-gradient(145deg,#fcfdff,#f0f7ff 52%,#dcecff)}
.render-orbit{--glowA:rgba(53,146,255,.19);--glowB:rgba(255,178,80,.18);--gridColor:rgba(22,113,219,.08);background:
radial-gradient(380px 160px at 18% 16%,rgba(83,157,255,.16),transparent 68%),
radial-gradient(420px 190px at 78% 84%,rgba(255,179,80,.18),transparent 64%),
linear-gradient(155deg,#fbfdff,#edf6ff 58%,#ddecff)}
.render-orbit::after{background:
radial-gradient(circle at 84% 18%,rgba(255,255,255,.3),rgba(255,255,255,0) 20%),
linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,0) 36%),
linear-gradient(90deg,var(--gridColor) 1px,transparent 1px),
linear-gradient(var(--gridColor) 1px,transparent 1px);
background-size:auto,auto,52px 52px,52px 52px;opacity:.52;mask-image:none}
.render-soft{--glowA:rgba(0,179,255,.16);--glowB:rgba(137,195,255,.14);--gridColor:rgba(11,112,215,.07);background:
radial-gradient(430px 180px at 0% 0%,rgba(0,179,255,.14),transparent 66%),
radial-gradient(390px 170px at 100% 100%,rgba(113,165,255,.14),transparent 64%),
linear-gradient(150deg,#fbfdff,#f2f8ff 60%,#e5f1ff)}
.video-preview .shot-button,.feature-spotlight .shot-button,.project-intro-grid .shot-button{box-shadow:0 28px 72px rgba(14,75,146,.16)}
.video-preview .shot-button:hover,.feature-spotlight .shot-button:hover,.project-intro-grid .shot-button:hover{box-shadow:0 32px 84px rgba(14,75,146,.20)}
.feature-spotlight .shot-button{transform:translateY(0)}
.feature-spotlight .shot-button:hover{transform:translateY(-5px)}
@media(max-width:1220px){.brand img{height:56px}.footer-brand img{height:76px}}
@media(max-width:1000px){.project-intro-grid{padding:26px}}
@media(max-width:650px){.brand img{height:50px}.footer-brand img{height:72px}.project-intro-grid{padding:22px}.shot-button{padding:46px 12px 12px;border-radius:22px}.shot-button::before{left:12px;right:12px;top:10px;height:22px}.shot-button img{border-radius:16px}.zoom-hint{right:8px;bottom:8px}}

/* AIReson 首页整幅产品渲染图：保留原图视觉，叠加可点击热区 */
#featured{scroll-margin-top:120px}
.featured-visual{
  position:relative;
  left:50%;
  transform:translateX(-50%);
  width:min(1672px, calc(100vw - 32px));
  border:0;
  border-radius:16px;
  overflow:hidden;
  background:linear-gradient(120deg,#eef8ff,#dceeff);
}
.featured-visual>img{display:block;width:100%;height:auto;border:0;border-radius:16px}
.featured-image-link{position:absolute;display:block;z-index:2;border-radius:12px}
.featured-image-link:hover{box-shadow:0 0 0 3px rgba(35,132,250,.35),0 0 24px rgba(26,119,244,.19)}
.featured-image-link:focus-visible{outline:4px solid #ff8b37;outline-offset:3px;background:rgba(255,255,255,.14)}
.featured-product-link{left:3.2%;top:69.1%;width:17.5%;height:9.2%}
.featured-demo-link{left:21.2%;top:69.1%;width:12.8%;height:9.2%}
.featured-mobile-actions{display:none}
#demo-video{scroll-margin-top:130px}
@media(max-width:700px){
 .featured-visual{width:calc(100vw - 20px);border-radius:10px}
 .featured-visual>img{border-radius:10px}
 .featured-image-link{display:none}
 .featured-mobile-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:16px}
 .featured-mobile-actions .btn{padding:11px 16px}
}


/* Live AIReson YouTube demo video */
.video-embed-frame{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:20px;background:#061d3d;box-shadow:0 18px 45px rgba(11,58,111,.18);border:1px solid rgba(106,162,226,.3)}
.video-embed-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.demo-youtube-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;font-weight:750;color:#1268de;text-decoration:none}
.demo-youtube-link:hover{text-decoration:underline}
.video-available-note{color:#315d84;border-left:3px solid #188ae9;background:#eff8ff;padding:12px 15px;border-radius:6px}


/* Homepage feature cards clickable links */
.feature-link{display:flex;flex-direction:column;text-decoration:none;color:inherit;position:relative}
.feature-link-hint{margin-top:auto;display:inline-flex;align-items:center;gap:6px;padding-top:14px;font-size:13px;font-weight:800;letter-spacing:.02em;color:#176bdd}
.feature-link:hover .feature-link-hint,.feature-link:focus-visible .feature-link-hint{color:#0e56b7}
.feature-link:focus-visible{outline:3px solid rgba(20,111,225,.45);outline-offset:3px}
.module-anchor{position:relative;top:-110px;height:0;visibility:hidden}