:root{--ink:#f8fafc;--muted:#9aa8ba;--line:rgba(255,255,255,.12);--paper:#0d1420;--soft:#101827;--red:#c7000b;--red2:#ff3945;--teal:#00d5c8;--gold:#ffb347;--deep:#05070d;--deep2:#0d1420;--panel:#151c29;--glass:rgba(255,255,255,.08);--mx:50vw;--my:30vh}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--deep)}
body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;color:var(--ink);background:#05070d;line-height:1.65;overflow-x:hidden;text-rendering:optimizeLegibility}
body:before{content:"";position:fixed;left:var(--mx);top:var(--my);width:520px;height:520px;margin:-260px 0 0 -260px;border-radius:50%;background:radial-gradient(circle,rgba(0,213,200,.16),rgba(255,57,69,.08) 38%,transparent 68%);pointer-events:none;z-index:1;mix-blend-mode:screen;transition:opacity .2s ease}
body>*{position:relative;z-index:2}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.scroll-progress{position:fixed;inset:0 auto auto 0;width:0;height:3px;background:linear-gradient(90deg,var(--red),#ff9f1c);z-index:80;box-shadow:0 0 18px rgba(199,0,11,.45)}
.site-header{position:sticky;top:0;z-index:60;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:12px 5vw;background:rgba(8,12,20,.82);border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(22px);color:#fff}
.site-header.is-scrolled{background:rgba(8,12,20,.94);box-shadow:0 16px 40px rgba(0,0,0,.22)}
.brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:260px}
.brand-logo{width:min(188px,28vw);height:auto;max-height:58px;filter:drop-shadow(0 8px 20px rgba(0,0,0,.28))}
.brand-text{font-size:15px;font-weight:800;color:#fff;white-space:nowrap}
.site-header nav{display:flex;gap:18px;font-size:14px;color:#dbe2ee}
.site-header nav a{position:relative;padding:8px 0}
.site-header nav a:after{content:"";position:absolute;left:0;right:100%;bottom:3px;height:2px;background:var(--red2);transition:right .25s ease}
.site-header nav a:hover{color:#fff}
.site-header nav a:hover:after{right:0}
.hero{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.92fr);gap:46px;align-items:center;min-height:720px;padding:104px 5vw 74px;background:var(--deep);color:#fff;border-bottom:1px solid rgba(255,255,255,.12);isolation:isolate;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-18% -10%;background:linear-gradient(115deg,rgba(199,0,11,.32),transparent 28%),linear-gradient(70deg,rgba(0,213,200,.26),transparent 42%),radial-gradient(circle at 78% 18%,rgba(255,255,255,.16),transparent 24%);z-index:-2;animation:launchGlow 8s ease-in-out infinite alternate}
.hero:after{content:"";position:absolute;inset:auto 5vw 0 5vw;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);z-index:-1}
.home-hero,.scenario-hero,.solar-hero{background:#080c14}
.hero-copy{max-width:900px}
.eyebrow{margin:0 0 12px;color:#ff8a8a;font-weight:800;letter-spacing:0;font-size:14px;text-transform:none}
.hero h1{font-size:clamp(38px,5.1vw,70px);line-height:1.03;margin:0 0 22px;letter-spacing:0;max-width:980px}
.hero p{font-size:19px;color:#dbe3ef;max-width:780px}
.stat-bar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:680px;margin:28px 0 0}
.stat-bar div{padding:14px 16px;border:1px solid rgba(255,255,255,.13);border-radius:8px;background:rgba(255,255,255,.07);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.stat-bar strong{display:block;font-size:25px;line-height:1;color:#fff}
.stat-bar span{display:block;margin-top:5px;color:#b8c3d2;font-size:13px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:7px;border:1px solid rgba(255,255,255,.16);font-weight:800;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.24)}
.btn.primary{background:linear-gradient(135deg,var(--red),#ee2c35);border-color:rgba(255,255,255,.12);color:#fff}
.btn.ghost{background:rgba(255,255,255,.08);color:#fff}
.visual-mosaic{display:grid;grid-template-columns:1.05fr .95fr;grid-template-rows:repeat(2,minmax(220px,1fr));gap:14px;perspective:1000px}
.mosaic-card{position:relative;min-height:220px;margin:0;overflow:hidden;border-radius:9px;background:#111827;border:1px solid rgba(255,255,255,.12);box-shadow:0 24px 70px rgba(0,0,0,.28);transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.mosaic-card:first-child{grid-row:span 2}
.mosaic-card:hover{box-shadow:0 34px 90px rgba(0,0,0,.36);border-color:rgba(255,255,255,.26)}
.mosaic-card img,.hero-visual img,.card-media img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .65s ease,filter .4s ease}
.mosaic-card img[src$=".svg"],.hero-visual img[src$=".svg"],.card-media img[src$=".svg"]{object-fit:cover;padding:0;background:#05070d}
.mosaic-card:hover img,.hero-visual:hover img,.scenario-card:hover img,.product-card:hover img{transform:scale(1.055)}
.mosaic-card:after,.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.02) 20%,rgba(0,0,0,.68))}
.mosaic-card:before,.hero-visual:before,.product-scene-media:before{content:"";position:absolute;inset:-40% auto -40% -70%;width:45%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.24),transparent);transform:skewX(-18deg);z-index:4;animation:scanline 4.8s ease-in-out infinite;pointer-events:none}
.mosaic-card figcaption{position:absolute;left:14px;right:14px;bottom:12px;z-index:5;color:#fff;font-weight:800;font-size:15px;padding:7px 9px;border-radius:6px;background:rgba(5,7,13,.52);backdrop-filter:blur(10px)}
.hero-visual{position:relative;margin:0;min-height:470px;aspect-ratio:16/10;overflow:hidden;border-radius:10px;background:#111827;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 90px rgba(0,0,0,.35);transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .25s ease,box-shadow .25s ease}
.hero-visual figcaption{position:absolute;left:22px;right:22px;bottom:22px;z-index:3;color:#fff}
.hero-visual span{display:block;color:#dbe5f1;font-size:13px}
.hero-visual strong{display:block;margin-top:8px;font-size:24px;line-height:1.25}
.visual-section,.showcase-strip{padding:28px 5vw;background:#080c14;overflow:hidden}
.showcase-strip .visual-mosaic,.visual-section .visual-mosaic{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:none;grid-auto-rows:230px}
.showcase-strip .mosaic-card:first-child,.visual-section .mosaic-card:first-child{grid-row:auto}
.proof-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;padding:1px 5vw;background:#080c14}
.proof-strip span{display:flex;align-items:center;justify-content:center;min-height:74px;padding:12px 16px;background:#101725;color:#dbe3ef;font-weight:800;text-align:center;border-top:1px solid rgba(255,255,255,.08)}
.section{padding:86px 5vw;background:linear-gradient(180deg,#080c14,#101827);color:#fff}
.section-heading{max-width:920px;margin-bottom:32px}
.section-heading h2,.split h2,.band h2,.site-footer h2{font-size:34px;line-height:1.16;margin:0 0 12px}
.section-heading p{color:#aeb9c8}
.scenario-group{margin-top:36px}
.scenario-group+.scenario-group{margin-top:58px;padding-top:46px;border-top:1px solid var(--line)}
.scenario-group-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.72fr);gap:24px;align-items:stretch;margin-bottom:22px;padding:26px;border:1px solid rgba(255,255,255,.13);border-radius:10px;background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.03));box-shadow:0 24px 70px rgba(0,0,0,.22)}
.scenario-group-head h3{margin:0 0 10px;font-size:32px;line-height:1.18}
.scenario-group-head p{color:#aeb9c8;margin:0}
.group-visuals{display:grid;grid-template-columns:1fr 1fr;gap:12px;min-height:190px}
.group-visuals img{width:100%;height:100%;min-height:190px;object-fit:cover;border-radius:8px;background:#05070d;border:1px solid var(--line)}
.group-visuals img[src$=".svg"]{object-fit:contain;padding:28px}
.scenario-grid,.product-grid,.feature-grid,.product-scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.scenario-card a,.product-card,.feature-grid article{display:block;height:100%;overflow:hidden;border:1px solid rgba(255,255,255,.12);border-radius:9px;background:linear-gradient(180deg,#111827,#0b111d);box-shadow:0 18px 48px rgba(0,0,0,.25);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.scenario-card a,.product-card{transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}
.scenario-card a:hover,.product-card:hover,.feature-grid article:hover{transform:translateY(-7px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));box-shadow:0 34px 90px rgba(0,213,200,.12),0 30px 80px rgba(0,0,0,.36);border-color:rgba(0,213,200,.42)}
.product-scenes{background:linear-gradient(180deg,#101827,#070b12);color:#fff}
.product-scene-card{height:100%;overflow:hidden;border:1px solid rgba(255,255,255,.12);border-radius:9px;background:linear-gradient(180deg,#111827,#080c14);box-shadow:0 18px 48px rgba(0,0,0,.25);transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.product-scene-card:hover{transform:translateY(-7px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));box-shadow:0 34px 90px rgba(255,57,69,.14),0 30px 80px rgba(0,0,0,.36);border-color:rgba(255,57,69,.46)}
.product-scene-media{position:relative;height:230px;overflow:hidden;background:#111827}
.product-scene-media>img:first-child{width:100%;height:100%;object-fit:cover;filter:saturate(.96) contrast(1.02)}
.product-scene-media>img:first-child[src$=".svg"]{object-fit:cover;padding:0;background:#05070d}
.product-scene-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,0,0,.58))}
.product-badge-img{position:absolute;right:16px;bottom:16px;z-index:5;width:96px;height:96px;object-fit:cover;padding:0;border-radius:8px;background:rgba(5,7,13,.92);box-shadow:0 14px 38px rgba(0,0,0,.34);border:1px solid rgba(255,255,255,.2)}
.product-scene-copy{padding:22px}
.product-scene-copy h3{margin:8px 0 9px;font-size:22px;line-height:1.25}
.product-scene-copy p:not(.eyebrow){margin:0;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-row span{font-size:13px;padding:5px 9px;border-radius:5px;background:rgba(255,255,255,.08);color:#dbeafe;border:1px solid rgba(255,255,255,.1)}
.card-media{height:220px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#05070d}
.scenario-card .card-media{background:#05070d}
.scenario-card .card-media img[src$=".svg"],.product-card .card-media img[src$=".svg"]{width:100%;height:100%;padding:0;background:#05070d;object-fit:cover}
.card-copy{padding:21px}
.scenario-card span,.product-type{color:var(--teal);font-size:13px;font-weight:800}
.scenario-card h3,.product-card h3,.feature-grid h3{margin:9px 0 8px;font-size:22px;line-height:1.25}
.scenario-card p,.product-card p,.feature-grid p{color:#aeb9c8;margin:0 0 14px}
.scenario-card strong{color:var(--red)}
.product-card ul{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:14px 0 0;list-style:none}
.product-card li{font-size:13px;padding:4px 8px;background:rgba(255,255,255,.08);border-radius:5px;color:#dbeafe}
.feature-grid article{padding:24px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:82px 5vw;background:linear-gradient(180deg,#070b12,#111827);border-block:1px solid var(--line);color:#fff}
.split>div{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:30px;box-shadow:0 18px 48px rgba(0,0,0,.24)}
.split-visual{height:220px;margin:0 0 22px;overflow:hidden;border-radius:8px;background:#eef3f8}
.split-visual img{width:100%;height:100%;object-fit:cover;object-position:center}
.split-visual.icon-visual{display:flex;align-items:center;justify-content:center;background:#f7f9fc}
.split-visual.icon-visual img{width:70%;height:70%;object-fit:contain}
.check-list{padding:0;margin:18px 0 0;list-style:none}
.check-list li{position:relative;padding-left:28px;margin:10px 0}
.check-list li:before{content:"";position:absolute;left:0;top:.45em;width:14px;height:14px;border-radius:4px;background:var(--teal)}
.check-list.warn li:before{background:var(--gold)}
.band{position:relative;padding:64px 5vw;background:#101725;color:#fff;overflow:hidden}
.band:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(199,0,11,.22),transparent 44%,rgba(0,213,200,.18));pointer-events:none;animation:launchGlow 7s ease-in-out infinite alternate}
.band>*{position:relative}
.band p{max-width:920px;color:#d6deea}
.steps{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.steps span{padding:8px 12px;border:1px solid rgba(255,255,255,.28);border-radius:6px;background:rgba(255,255,255,.06)}
.site-footer{display:grid;grid-template-columns:1fr auto;gap:28px;padding:60px 5vw;background:#080c14;color:#fff}
.site-footer p{color:#cbd5e1;max-width:720px}
.site-footer address{font-style:normal;color:#d8dee8}
.site-footer a{text-decoration:underline}
.reveal{opacity:.18;transform:translateY(30px);transition:opacity .46s ease var(--delay,0ms),transform .46s ease var(--delay,0ms)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@keyframes launchGlow{0%{transform:translate3d(-2%,-1%,0) scale(1);filter:hue-rotate(0deg)}100%{transform:translate3d(2%,1%,0) scale(1.04);filter:hue-rotate(-8deg)}}
@keyframes scanline{0%,46%{transform:translateX(0) skewX(-18deg);opacity:0}58%{opacity:.86}100%{transform:translateX(420%) skewX(-18deg);opacity:0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:1100px){.hero{grid-template-columns:1fr;min-height:auto}.visual-mosaic{max-width:840px}.scenario-group-head{grid-template-columns:1fr}.scenario-grid,.product-grid,.feature-grid,.product-scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.showcase-strip .visual-mosaic,.visual-section .visual-mosaic,.proof-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.site-header{position:static;align-items:flex-start;flex-direction:column}.brand{min-width:0;width:100%;flex-wrap:wrap}.brand-logo{width:min(52vw,188px);max-height:none}.brand-text{font-size:13px}.site-header nav{flex-wrap:wrap;gap:12px}.hero{padding:58px 5vw 40px}.hero h1{font-size:38px}.hero p{font-size:17px}.stat-bar{grid-template-columns:1fr}.hero-visual{min-height:310px;aspect-ratio:4/3}.visual-mosaic,.showcase-strip .visual-mosaic,.visual-section .visual-mosaic,.group-visuals,.proof-strip{grid-template-columns:1fr;grid-template-rows:none;grid-auto-rows:220px}.mosaic-card:first-child{grid-row:auto}.scenario-grid,.product-grid,.feature-grid,.product-scene-grid,.split,.site-footer{grid-template-columns:1fr}.scenario-group-head{padding:18px}.product-scene-media,.card-media{height:220px}.scenario-card .card-media img[src$=".svg"],.product-card .card-media img[src$=".svg"]{width:100%;height:100%}.section,.split{padding:58px 5vw}}