:root{font-family:Inter,"Microsoft YaHei",Arial,sans-serif;color:#eef6ff;background:#071421}*{box-sizing:border-box}body{margin:0;overflow:hidden}button{font:inherit;cursor:pointer;color:inherit;border:0;background:none}button:disabled{cursor:default}.stage{position:relative;width:1920px;height:100dvh;overflow:hidden;background:radial-gradient(ellipse at 70% 22%,#36516c 0%,#102940 44%,#061626 80%);isolation:isolate}.backdrop{position:absolute;inset:0;background:linear-gradient(115deg,rgba(2,15,29,.5),transparent 45%,rgba(15,29,47,.1)),radial-gradient(circle at 80% 50%,#17344daa,transparent 55%)}.scene-stage{position:absolute;inset:0;overflow:hidden}.scene-image,.scene-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block}.scene-image{z-index:0}.scene-video{z-index:1;opacity:0;pointer-events:none}.scene-video.visible{opacity:1}.hotspots{position:absolute;inset:0;z-index:3;pointer-events:none}.hotspot{position:absolute;display:flex;align-items:center;gap:7px;transform:translate(-13px,-50%);pointer-events:auto;cursor:pointer;animation:popin .55s both;animation-delay:var(--delay)}.hotspot .locator{position:relative;width:27px;height:27px;flex-shrink:0;border:1px solid #87e9ff;border-radius:50%;background:#11a3e866;box-shadow:0 0 14px #05bafe9c,inset 0 0 11px #00ceff4f}.hotspot .locator:before{content:"";position:absolute;inset:6px;background:#a2f6ff;border-radius:100%;box-shadow:0 0 10px 3px #14c9ff}.hotspot .locator:after{content:"";position:absolute;inset:-7px;border:1px solid #61cefc8b;border-radius:100%;animation:pulse 2.6s infinite}.hotspot .hot-label{padding:9px 17px 9px 12px;white-space:nowrap;border:1px solid #65b3ce7d;border-left:0;clip-path:polygon(0 0,96% 0,100% 50%,96% 100%,0 100%);background:linear-gradient(90deg,#0e5775dc,#092944c4);font-size:clamp(10px,.1478.4px,15px);letter-spacing:.04em;box-shadow:0 4px 24px #020d1599;text-shadow:0 0 8px #84cfff}.hotspot:hover,.hotspot.selected{z-index:10;filter:brightness(1.35)}.hotspot:hover .locator{transform:scale(1.15)}.hotspot:hover .hot-label{background:#125a80f5}.hotspot.mirrored{flex-direction:row-reverse;transform:translate(calc(-100% + 13px),-50%)}.hotspot.mirrored .hot-label{border:1px solid #65b3ce7d;border-right:0;clip-path:polygon(4% 0,100% 0,100% 100%,4% 100%,0 50%);padding-left:20px}
.edge{position:absolute;left:0;right:0;pointer-events:none;z-index:5}.top-edge{top:0;height:108px;clip-path:polygon(0 0,56% 0,47% 69%,6% 94%,0 100%);background:linear-gradient(90deg,#051a2eee,#24435eab);border-bottom:1px solid #89b7d69c}.bottom-edge{bottom:-3%;height:21%;border-top:1px solid #1a76ae63;border-radius:45% 50% 0 0;background:linear-gradient(0deg,#061a2ad9,#06182a15)}.topbar{position:absolute;z-index:10;top:0;left:0;right:0;padding:23.76px 51.84px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand,.top-meta{display:flex;align-items:center;gap:23.04px}.brand-mark{font-weight:900;font-size:clamp(28px,71.04px,63px);line-height:.95;font-style:italic;color:#66cafa;text-shadow:0 0 22px #008fe5}.brand-glow{font-size:.27em;color:#b4e3ff;vertical-align:top}.brand-text{font-size:clamp(12px,27.264px,24px);font-weight:600;letter-spacing:.16em;white-space:nowrap}.brand-rule,.vertical-divider{height:24px;width:1px;background:#7294b480}.slogan{font-size:clamp(8px,.1574.4px,14px);white-space:nowrap;letter-spacing:.24em;color:#abbfd2}.top-meta{font-size:clamp(9px,.1440px,14px);white-space:nowrap;color:#d6e6f7}.meta-item{display:flex;align-items:center;gap:7px}.pin-icon{font-size:28px}.weather{display:flex;gap:8px;align-items:center}.weather span:first-child{font-size:20px}.iconbtn svg,.nav-emblem svg,.foot-circle svg{width:23px;height:23px;stroke:currentColor;stroke-width:2;fill:none;stroke-linejoin:round;stroke-linecap:round}.iconbtn.small svg{width:20px;height:20px}.fill-icon{fill:currentColor!important;stroke:none!important}
.headline{position:absolute;z-index:6;left:60.48px;top:16.5%;max-width:32%;pointer-events:none}.en-title{font-size:clamp(13px,27.84px,26px);font-weight:300;letter-spacing:.03em;color:#b2c4d6}.zh-title{font-size:clamp(19px,31.104px,32px);font-weight:500;letter-spacing:.15em;margin-top:.45em}.mini-line{width:31px;height:2px;margin:12px 0;background:#21c2ff}.subtitle{font-size:clamp(10px,.1689.6px,17px);letter-spacing:.19em;color:#9cbbcf;white-space:nowrap}.accent-bars{display:flex;gap:4px;margin-top:17px}.accent-bars b:first-child{display:block;width:34px;height:3px;background:#16bbf6}.accent-bars b:last-child{display:block;width:55px;height:3px;background:#4775976a}
.right-nav{position:absolute;z-index:8;right:40.32px;top:20%;display:flex;flex-direction:column;gap:18px}.nav-item{position:relative;display:flex;align-items:center;gap:12px;min-width:178px;text-align:left;font-size:clamp(11px,.1651.2px,16px);letter-spacing:.04em;color:#e6efff;white-space:nowrap;transition:opacity .3s,filter .3s}.nav-emblem{width:60px;height:60px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid #248bca;background:radial-gradient(circle,#174b73,#09223a);box-shadow:0 0 0 5px #446a7936,inset 0 0 15px #166d9a5e;transition:box-shadow .2s,transform .2s}.nav-item>span:nth-child(2){border:1px solid #718bab4f;border-left:0;border-radius:0 28px 28px 0;padding:13px 19px 13px 12px;margin-left:-12px;background:linear-gradient(90deg,#2439516b,#0a28420c)}.nav-item:hover .nav-emblem,.nav-item.active .nav-emblem{border-color:#39c3ff;box-shadow:0 0 0 5px #49a4e130,0 0 18px #00b5fa69}.nav-item:hover .nav-emblem{transform:scale(1.04)}.nav-item.active>span:nth-child(2):after{content:"";position:absolute;bottom:0;right:23px;width:56px;height:2px;background:#32bdfc;box-shadow:0 0 12px #20c0ff}.nav-dot{width:5px;height:5px;background:#3dabeb;border-radius:100%;box-shadow:0 0 10px #16b8ff;opacity:0}.nav-item.active .nav-dot{opacity:1}.nav-item:disabled{opacity:.65}
.brand-card{position:absolute;z-index:7;bottom:6.5%;left:2.5%;padding:16px 18px;width:clamp(230px,345.6px,360px);border:1px solid #6c93ad8c;border-radius:8px 18px 18px 8px;background:linear-gradient(130deg,#0c233bcb,#0b253b4a);backdrop-filter:blur(7px)}.brand-card-heading{font-size:clamp(11px,.1632px,16px);letter-spacing:.1em}.location-icon{color:#8cdbff;font-size:23px;padding-right:10px}.brand-card-copy{font-size:clamp(9px,.1382.4px,14px);margin-top:14px;color:#a4bdcb}.brand-card .accent-bars{margin-top:13px}.language-bar{position:absolute;z-index:10;bottom:7.5%;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:16px;background:#09253b7a;border:1px solid #3a74985e;border-radius:32px;padding:8px 20px;backdrop-filter:blur(12px);white-space:nowrap}.language-caption{font-size:10px;color:#85b0ce;letter-spacing:.1em}.language-bar button{font-size:12px;letter-spacing:.12em;opacity:.65;transition:.2s}.language-bar button.active,.language-bar button:hover{opacity:1;color:#81dfff;text-shadow:0 0 11px #40c0ff}.separator{opacity:.3}.bottom-nav{position:absolute;z-index:9;right:3%;bottom:5.4%;display:flex;gap:26px}.foot-button{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:54px;font-size:12px;color:#c2cbdc}.foot-circle{width:49px;height:49px;border:1px solid #738eab;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#17324a9c;transition:.25s}.foot-button:hover .foot-circle,.foot-button.active .foot-circle{color:#93e4ff;border-color:#18a5e9;box-shadow:0 0 14px #158dc855}.foot-button:hover{color:#fff}.foot-button.active:after{content:"";width:43px;height:2px;background:#24c7ff;box-shadow:0 0 9px #1fbaff}
.busy-hint{position:absolute;z-index:11;left:50%;top:13%;transform:translateX(-50%);display:none;align-items:center;gap:9px;background:#102b46c7;border:1px solid #4e9bc08d;border-radius:40px;padding:9px 16px;color:#c9edfc;font-size:12px}.busy-hint.show{display:flex}.spinner{width:13px;height:13px;border-radius:50%;border:2px solid #5dd4fd;border-right-color:transparent;animation:spin 1s linear infinite}.modal-wrap{position:absolute;inset:0;z-index:20;pointer-events:none;opacity:0;transition:opacity .28s}.modal-wrap.open{opacity:1;pointer-events:auto}.modal-scrim{position:absolute;inset:0;background:#06192b73;backdrop-filter:blur(2px)}.product-panel{position:absolute;right:2.5%;top:11%;bottom:10%;width:min(495px,672px);min-width:370px;display:flex;flex-direction:column;background:linear-gradient(135deg,#102a43f2,#081c2ff5);border:1px solid #4e9ccaaf;box-shadow:0 0 40px #03111cdd,inset 0 0 35px #2a6b8c17;backdrop-filter:blur(24px);border-radius:13px;padding:23px;transform:translateX(34px);transition:transform .3s;overflow:auto}.modal-wrap.open .product-panel{transform:translateX(0)}.panel-top{display:flex;justify-content:space-between;align-items:center}.eyebrow{font-size:12px;letter-spacing:.17em;color:#68c8f4}.close{border:1px solid #668dac80;border-radius:50%;font-size:25px;width:33px;height:33px;line-height:25px}.close:hover{color:#7bdbff;border-color:#7bdbff}.product-panel h2{font-size:clamp(19px,28.8px,27px);font-weight:500;margin:12px 0 6px}.panel-subtitle{font-size:10px;letter-spacing:.13em;color:#7cacc7;margin-bottom:14px}.image-window{position:relative;background:linear-gradient(135deg,#e6eef5,#b3c4d1);border:1px solid #437393;border-radius:5px;min-height:0;height:32%;flex-shrink:0;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-window img{height:100%;width:100%;object-fit:contain}.img-arrow{position:absolute;top:50%;transform:translateY(-50%);font-size:30px;background:#0b2946aa;border-radius:50%;width:31px;height:37px}.img-arrow:hover{background:#127fb4}.prev{left:8px}.next{right:8px}.image-count{text-align:center;font-size:11px;color:#a5c1d3;padding:11px}.product-group{padding:10px 0 10px;border-top:1px solid #456e875b;display:flex;flex-wrap:wrap;gap:7px}.group-pill{border:1px solid #4a8dab77;padding:7px 10px;border-radius:6px;font-size:11px;color:#b8d8e9}.group-pill.active{background:#176087a1;border-color:#55caff;color:white}.image-thumbs{display:flex;gap:8px;overflow-x:auto;padding:7px 0 13px;min-height:70px}.thumb{width:73px;height:60px;flex-shrink:0;object-fit:contain;background:#b9cfda;border:2px solid transparent;border-radius:4px;cursor:pointer}.thumb.active{border-color:#21bcf6}.panel-foot{margin-top:auto;border-top:1px solid #345a76;padding-top:13px;display:flex;justify-content:space-between;gap:8px;font-size:9px;color:#789bb5}.toast{position:absolute;z-index:30;bottom:17%;left:50%;transform:translateX(-50%);padding:12px 22px;border:1px solid #4088ad;background:#0a2944e9;border-radius:8px;font-size:12px;opacity:0;transition:opacity .25s;pointer-events:none}.toast.show{opacity:1}
@keyframes pulse{0%{transform:scale(.76);opacity:.8}80%,100%{transform:scale(1.7);opacity:0}}@keyframes popin{from{opacity:0;transform:translate(-13px,-40%)}to{opacity:1;transform:translate(-13px,-50%)}}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1100px){.brand-card{display:none}.top-meta .meta-item,.top-meta .weather,.top-meta .vertical-divider{display:none}.right-nav{right:1%;top:24%}.nav-emblem{width:47px;height:47px}.nav-item{min-width:145px}.headline{top:15%;}.language-bar{bottom:3%}.bottom-nav{bottom:3%;gap:8px}.product-panel{min-width:350px;width:864px}}@media(max-width:650px){.stage{min-height:1080px}.topbar{padding:15px}.brand-mark{font-size:28px}.brand-text{font-size:12px}.slogan,.brand-rule{display:none}.headline{left:4%;top:14%;max-width:70%}.right-nav{top:32%;gap:8px}.nav-item{min-width:0;gap:6px;font-size:10px}.nav-item>span:nth-child(2){padding:9px 9px 9px 10px}.nav-emblem{height:34px;width:34px}.nav-emblem svg{height:16px;width:16px}.foot-circle{height:36px;width:36px}.foot-button{font-size:10px}.language-bar{bottom:4%;left:23%;gap:6px;padding:7px}.language-caption{display:none}.bottom-nav{right:1%;bottom:4%}.product-panel{right:2%;left:2%;width:auto;min-width:0;top:12%;bottom:12%}.hotspot .hot-label{font-size:9px;padding:5px}.hotspot .locator{width:16px;height:16px}.hotspot .locator:before{inset:4px}}

/* Startup: introductory UI animation; begins around 0.8 s into startup video. */
.stage.startup .topbar,.stage.startup .headline,.stage.startup .right-nav,.stage.startup .brand-card,.stage.startup .language-bar,.stage.startup .bottom-nav{opacity:0}
.topbar,.headline,.right-nav,.brand-card,.language-bar,.bottom-nav{transition:opacity .65s ease}
.stage.startup .topbar,.stage.startup .headline,.stage.startup .right-nav,.stage.startup .brand-card,.stage.startup .language-bar,.stage.startup .bottom-nav{animation:ensureVisible .65s ease .95s forwards}
@keyframes ensureVisible{to{opacity:1}}
/* V1.2 refinements: local-only UI, offline assets */
.company-logo{display:block;width:clamp(180px,384px,370px);max-height:76px;object-fit:contain;object-position:left center;flex-shrink:0}
.brand{gap:21.12px}.brand-rule{flex-shrink:0}.slogan{flex-shrink:0}
.en-title{font-size:clamp(12px,24.96px,25px)}
.right-nav{right:51.84px;gap:18px;align-items:flex-end;min-width:240px}
.nav-item{transform-origin:right center;transition:transform .25s ease,opacity .25s,filter .25s;min-width:174px}
.nav-item.active{transform:scale(1.33);z-index:2;filter:drop-shadow(0 0 12px #098edb88)}
.nav-item.active .nav-emblem{box-shadow:0 0 0 5px #49a4e148,0 0 23px #00b5fa9c,inset 0 0 20px #10a9ff54}
.brand-card{width:clamp(255px,441.6px,410px)}.brand-card-copy{line-height:1.55}
.contact-wrap{position:absolute;inset:0;z-index:30;opacity:0;pointer-events:none;transition:opacity .28s}
.contact-wrap.open{opacity:1;pointer-events:auto}.contact-scrim{position:absolute;inset:0;background:#051527ab;backdrop-filter:blur(5px)}
.contact-panel{position:absolute;top:50%;left:50%;transform:translate(-50%,-47%);width:min(760px,1689.6px);padding:30px 34px;background:linear-gradient(125deg,#10314aF7,#071c30F8);border:1px solid #63bfea8c;border-radius:13px;box-shadow:0 30px 90px #000a,0 0 45px #1e89c02b;transition:transform .3s;max-height:918px;overflow:auto}
.contact-wrap.open .contact-panel{transform:translate(-50%,-50%)}.contact-panel h2{margin:16px 0 5px;font-weight:500;letter-spacing:.08em;font-size:27px}.contact-intro{font-size:13px;color:#80b5d2}
.contact-layout{display:grid;grid-template-columns:minmax(0,1fr) 170px;gap:24px;margin-top:22px}.contact-details{display:grid;gap:11px}
.contact-entry{background:#163a5266;border:1px solid #4383a854;padding:10px 14px;border-radius:5px;min-width:0}.contact-entry small{display:block;color:#7bbad8;font-size:11px;margin-bottom:5px}.contact-entry strong{font-size:14px;font-weight:500;overflow-wrap:anywhere}
.contact-qr{background:#0b263b80;border:1px solid #4c91b372;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:12px;border-radius:7px}.contact-qr img{width:140px;height:140px;object-fit:contain;background:white;padding:7px}.contact-qr small{color:#85b6d3;font-size:10px;text-align:center}
.contact-map{display:flex;align-items:center;gap:14px;background:linear-gradient(90deg,#1252798c,#092b4170);border:1px solid #417e9c66;border-radius:7px;padding:14px 18px;margin-top:19px}.contact-map>span{font-size:29px;color:#5bd6ff}.contact-map strong{font-weight:500;font-size:13px}.contact-map p{font-size:12px;color:#9ac3d8;margin:5px 0 0}
@media(max-width:1000px){.company-logo{width:clamp(150px,441.6px,230px)}.right-nav{min-width:200px;right:57.6px}.nav-item.active{transform:scale(1.22)}.contact-panel{padding:22px}}
@media(max-width:650px){.company-logo{width:140px;max-height:45px}.right-nav{min-width:145px}.nav-item.active{transform:scale(1.12)}.contact-layout{grid-template-columns:1fr}.contact-qr{flex-direction:row}.contact-qr img{width:100px;height:100px}}

/* ==== V1.3 targeted refinements ==== */
/* Navigation: active entry is now only subtly larger. */
.nav-item.active{transform:scale(1.075);filter:drop-shadow(0 0 8px #098edb65)}
.nav-item.active .nav-emblem{box-shadow:0 0 0 5px #49a4e137,0 0 19px #00b5fa75,inset 0 0 16px #10a9ff40}
@media(max-width:1000px){.nav-item.active{transform:scale(1.055)}}
@media(max-width:650px){.nav-item.active{transform:scale(1.025)}}
/* Hotspot anchor is exactly the center of the blue locator. Label does not affect it. */
.hotspot.hotspot-fixed{width:28px;height:28px;padding:0;margin:0;display:block;
 transform:translate(-50%,-50%)!important;overflow:visible;animation:pinFade .4s both;
 animation-delay:var(--delay);z-index:4}
.hotspot.hotspot-fixed .locator{display:block;width:28px;height:28px}
.hotspot.hotspot-fixed .hot-label{position:absolute;top:50%;display:block;width:max-content;max-width:min(290px,595.2px);height:auto;
 transform:translateY(-50%);white-space:normal;overflow-wrap:normal;text-align:left;line-height:1.3;
 font-size:clamp(10px,.1459.2px,15px);padding:8px 12px;box-sizing:border-box}
.hotspot.hotspot-fixed.label-right .hot-label{left:calc(100% + 4px);right:auto;
 border:1px solid #65b3ce7d;border-left:0;clip-path:polygon(0 0,96% 0,100% 50%,96% 100%,0 100%)}
.hotspot.hotspot-fixed.label-left .hot-label{right:calc(100% + 4px);left:auto;
 border:1px solid #65b3ce7d;border-right:0;clip-path:polygon(4% 0,100% 0,100% 100%,4% 100%,0 50%)}
.hotspot.hotspot-fixed .hot-label{pointer-events:auto}
@keyframes pinFade{from{opacity:0}to{opacity:1}}
/* Russian strings are longer: tighter typography throughout the interface. */
html[lang="ru"] .headline .zh-title{font-size:clamp(15px,24.384px,25px);letter-spacing:.015em;line-height:1.2}
html[lang="ru"] .headline{max-width:38%}
html[lang="ru"] .headline .subtitle{font-size:clamp(9px,.1344px,13px);letter-spacing:.025em;white-space:normal}
html[lang="ru"] .slogan{font-size:clamp(8px,.1305.6px,12px);letter-spacing:.03em}
html[lang="ru"] .nav-item{font-size:clamp(10px,.1420.8px,13px);letter-spacing:0}
html[lang="ru"] .brand-card-copy{font-size:clamp(9px,.1248px,12px);line-height:1.45}
html[lang="ru"] .hotspot.hotspot-fixed .hot-label{font-size:clamp(9px,.1228.8px,12px);letter-spacing:0;max-width:min(250px,499.2px);padding:6px 9px}
html[lang="ru"] .product-panel h2{font-size:clamp(16px,23.04px,23px)}
html[lang="ru"] .contact-panel h2{font-size:24px}
html[lang="ru"] .contact-entry strong{font-size:12px}
@media(max-width:650px){.hotspot.hotspot-fixed{width:18px;height:18px}.hotspot.hotspot-fixed .locator{width:18px;height:18px}.hotspot.hotspot-fixed .hot-label{font-size:9px;max-width:125px;padding:5px 6px}}

/* ================= V1.4: fixed hotspots and readable multilingual labels ================= */
/* The locator belongs to an anchored 28px hotspot: only the label expands. */
.hotspot.hotspot-fixed.label-left .hot-label{text-align:right;direction:ltr}
.hotspot.hotspot-fixed.label-right .hot-label{text-align:left;direction:ltr}
.hotspot.hotspot-fixed .locator::after{
 content:"";position:absolute;inset:-7px;border:1px solid #61cefc9e;
 border-radius:50%;animation:hotspotContinuousPulse 2.3s ease-out infinite !important;
 animation-play-state:running !important;pointer-events:none;
}
.hotspot.hotspot-fixed .locator::before{animation:hotspotCoreGlow 2.3s ease-in-out infinite}
@keyframes hotspotContinuousPulse{
 0%{transform:scale(.72);opacity:.85}
 65%{transform:scale(1.75);opacity:.20}
 100%{transform:scale(1.95);opacity:0}
}
@keyframes hotspotCoreGlow{0%,100%{opacity:.85;box-shadow:0 0 8px 2px #14c9ff}50%{opacity:1;box-shadow:0 0 16px 5px #14c9ff}}
/* Compact Russian text remains anchored toward the dot. */
html[lang="ru"] .hotspot.hotspot-fixed.label-left .hot-label{text-align:right}
html[lang="ru"] .hotspot.hotspot-fixed.label-right .hot-label{text-align:left}
/* Larger 16:9 presentation panel. The remainder of the screen stays dimmed. */
.product-panel{
 top:11%;bottom:5%;right:3%;width:1190.4px;max-width:1120px;min-width:0;
 padding:clamp(20px,32.64px,32px);
}
.product-panel h2{font-size:clamp(21px,31.68px,32px);line-height:1.3}
.image-window{height:50%;min-height:210px;flex-shrink:0}
.image-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0 12px;border-bottom:1px solid #456e875b}
.image-meta .image-count{padding:0;white-space:nowrap;flex-shrink:0;font-size:13px;font-variant-numeric:tabular-nums}
.image-name{font-size:clamp(13px,19.2px,19px);font-weight:500;color:#e9f5ff;line-height:1.4;overflow-wrap:anywhere;flex:1;text-align:right}
.product-group{padding:9px 0;border-top:0}
.product-group[hidden]{display:none}
.current-category{font-size:12px;color:#88cce9;border-left:2px solid #38bdf8;padding-left:9px}
.image-thumbs{min-height:0;gap:9px;padding:10px 0 14px;align-items:flex-start}
.image-thumb-button{display:flex;padding:2px;align-items:center;justify-content:center;flex:0 0 auto;border:2px solid transparent;border-radius:5px;background:#8caec2;min-width:90px;min-height:78px}
.image-thumb-button.active{border-color:#22c9ff;box-shadow:0 0 8px #22c9ff66}
.image-thumb-button .thumb{width:86px;height:72px;border:0;border-radius:3px;object-fit:contain;background:#c9dbe5;pointer-events:none}
/* Keep extra narrow screens usable. */
@media(max-width:900px){.product-panel{width:1440px;right:2%;top:9%;bottom:5%}.image-window{height:44%}}
@media(max-width:650px){.product-panel{left:2%;right:2%;width:auto;top:7%;bottom:5%;padding:16px}.image-window{height:41%;min-height:145px}.image-name{font-size:12px}.image-thumb-button{min-width:65px;min-height:60px}.image-thumb-button .thumb{width:62px;height:54px}}

/* V1.5: remove synthetic top graphic strip, original image is the only backdrop */
.top-edge{display:none!important}
/* The hotspot overlay follows the actual cropped 16:9 source image. */
.hotspots{inset:auto;overflow:visible}
.hotspot.hotspot-fixed.label-left .hot-label{text-align:right}
html[lang="en"] .headline .zh-title{font-size:clamp(17px,27.264px,27px);line-height:1.2;letter-spacing:.02em}
html[lang="en"] .headline{max-width:42%}
html[lang="en"] .headline .subtitle{font-size:clamp(9px,.1344px,13px);letter-spacing:.025em}
html[lang="en"] .nav-item{font-size:clamp(10px,.1401.6px,13px);letter-spacing:0}
html[lang="en"] .brand-card-copy{font-size:clamp(9px,.1286.4px,12px)}
html[lang="en"] .hotspot.hotspot-fixed .hot-label{font-size:clamp(9px,.1228.8px,12px);letter-spacing:0;max-width:min(260px,518.4px);padding:6px 10px}
html[lang="en"] .product-panel h2{font-size:clamp(17px,24.576px,24px)}
html[lang="en"] .image-name{font-size:clamp(12px,.1651.2px,17px)}

/* ===== V1.6 Scene 03 planning layers (native 1920×1080 viewport coordinates) ===== */
.planning-layer{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden;visibility:hidden}
.planning-layer.active{visibility:visible}
.planning-canvas{position:absolute;pointer-events:none}
.planning-areas,.planning-equipment,.planning-labels,.planning-hit-map,.planning-connectors{position:absolute;inset:0;width:100%;height:100%}
.planning-full-image{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none;user-select:none}
.planning-area-img{opacity:0;transition:opacity .26s ease-out}
.planning-layer.active .planning-area-img{animation:planningAreaIn .34s both;animation-delay:var(--area-delay)}
@keyframes planningAreaIn{from{opacity:0}to{opacity:1}}
.planning-region-label{position:absolute;opacity:0;transform:translate(-50%,-50%) scale(.95);pointer-events:none;color:var(--area-color)}
.planning-layer.active .planning-region-label{animation:planningLabelIn .28s both;animation-delay:var(--area-delay)}
@keyframes planningLabelIn{to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.planning-region-text{display:block;padding:8px 17px;border:1px solid currentColor;border-radius:5px;background:#0b273acb;color:#e9faff;box-shadow:0 0 22px color-mix(in srgb,var(--area-color) 32%,transparent);font-size:clamp(12px,19.2px,19px);letter-spacing:.12em;white-space:nowrap;position:relative;z-index:1}
.planning-line{position:absolute;left:50%;top:50%;width:42px;height:1px;opacity:0;}
.planning-region-label::after{content:'';display:block;position:absolute;right:50%;bottom:100%;height:29px;border-left:1px solid var(--area-color);opacity:.85}
.planning-connectors{pointer-events:none}.planning-connector{fill:none;stroke:var(--area-color);stroke-width:2.2;stroke-dasharray:7 5;opacity:0;filter:drop-shadow(0 0 5px var(--area-color))}.planning-layer.active .planning-connector{animation:planningLineIn .24s both;animation-delay:var(--area-delay)}@keyframes planningLineIn{to{opacity:1}}
.planning-device-img{opacity:0;transition:opacity .23s ease-in-out}
.planning-device-img.show{opacity:1}
.planning-hit-map{pointer-events:none;overflow:visible}
.planning-layer.ready .planning-hit-map{pointer-events:auto}
.planning-hit-zone{pointer-events:all;fill:transparent;stroke:transparent;cursor:pointer;outline:none}
.planning-device-label{position:absolute;display:flex;align-items:center;gap:5px;opacity:0;transition:opacity .22s,transform .22s;transform:translate(-50%,-50%) scale(.94);pointer-events:none;white-space:nowrap}
.planning-device-label.show{opacity:1;transform:translate(-50%,-50%) scale(1)}
.planning-device-label.toward-left{flex-direction:row-reverse;transform-origin:right center}
.planning-device-label.toward-right{transform-origin:left center}
.planning-device-dot{flex:0 0 19px;width:19px;height:19px;border-radius:50%;background:#7af6ff;border:4px solid #117eac;box-shadow:0 0 16px #44d8ff}
.planning-device-text{padding:9px 13px;border:1px solid #5cc5e299;color:#e5f9ff;background:#0a3654e8;box-shadow:0 0 14px #008fc54b;border-radius:4px;font-size:clamp(11px,.1574.4px,15px)}
@media(max-width:850px){.planning-region-text{font-size:11px;padding:5px 8px}.planning-device-text{font-size:10px;padding:5px 7px}}

/* V1.7: all layers locked to a single 1920×1080 canvas, uniformly scaled */
html,body{width:100%;height:100%;overflow:hidden;margin:0;background:#061626}
.stage{position:absolute!important;left:50%!important;top:50%!important;width:1920px!important;height:1080px!important;min-height:0!important;transform-origin:center center!important;overflow:hidden!important}
.scene-stage{inset:0!important;width:1920px!important;height:1080px!important}
.scene-image,.scene-video{object-fit:fill!important}
.planning-canvas{width:1920px!important;height:1080px!important;left:0!important;top:0!important}
.hotspots{width:1920px!important;height:1080px!important;left:0!important;top:0!important}
/* Enable inspectable hover polygons with ?debugZones=1 (not visible normally) */
.planning-hit-map.debug-zones .planning-hit-zone{fill:rgba(23,188,238,.15);stroke:#8ee9ff;stroke-width:3;stroke-dasharray:9 7}
.planning-hit-map.debug-zones .planning-hit-zone:nth-of-type(even){fill:rgba(255,192,46,.16);stroke:#ffdb78}
.planning-hit-map.debug-zones .planning-hit-zone:hover{fill:rgba(68,255,156,.4);stroke:#fff;stroke-width:5}
.debug-zone-number{font:700 37px Arial,sans-serif;fill:white;paint-order:stroke;stroke:#07283e;stroke-width:7;pointer-events:none;text-anchor:middle}


/* TEMP DEBUG GRID V1.8 - removable when calibration is complete */
#coordinateGrid{position:absolute;left:0;top:0;width:1920px;height:1080px;z-index:9999;pointer-events:none;display:none;
background-image:linear-gradient(to right,rgba(107,231,255,.35) 1px,transparent 1px),linear-gradient(to bottom,rgba(107,231,255,.35) 1px,transparent 1px);
background-size:100px 100px;background-position:0 0;
box-shadow:inset 0 0 0 2px rgba(75,235,252,.85)}
#coordinateGrid.visible{display:block}
#coordinateGrid .axis-label{position:absolute;font:600 18px/1.3 Consolas,monospace;color:#fff;
background:rgba(3,26,40,.80);border:1px solid rgba(55,213,239,.65);padding:2px 4px;border-radius:3px;text-shadow:0 1px 2px #000}
#coordinateGrid .grid-readout{position:absolute;right:18px;bottom:18px;padding:8px 12px;
font:700 20px Consolas,monospace;background:rgba(3,26,40,.9);color:#b5f6ff;border:1px solid #49ddf5;border-radius:5px}
#coordinateGrid .grid-cross-x,#coordinateGrid .grid-cross-y{position:absolute;background:rgba(255,230,94,.9);display:none}
#coordinateGrid .grid-cross-x{width:1px;height:1080px;top:0}
#coordinateGrid .grid-cross-y{height:1px;width:1920px;left:0}

/* ===== V2.0 Spatial hologram planning labels (editable in planningAreas) ===== */
.planning-labels{perspective:4000px;perspective-origin:50% 50%;transform-style:preserve-3d}
.planning-region-label{transform-style:preserve-3d;backface-visibility:visible;transform:translate(-50%,-50%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth)) scale(.97)}
.planning-layer.active .planning-region-label{animation:spatialLabelIn .42s cubic-bezier(.17,.67,.22,1) both;animation-delay:var(--area-delay)}
@keyframes spatialLabelIn{from{opacity:0;transform:translate(-50%,-44%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth)) scale(.91)}to{opacity:1;transform:translate(-50%,-50%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth)) scale(1)}}
.planning-region-text{background:linear-gradient(135deg,color-mix(in srgb,var(--area-color) 20%,#061a2e),#081d30ef 70%);border:1px solid var(--area-color);border-radius:7px;box-shadow:0 0 5px var(--area-color),0 0 17px color-mix(in srgb,var(--area-color) 54%,transparent),inset 0 0 15px color-mix(in srgb,var(--area-color) 18%,transparent),8px 10px 13px #020e1b80;text-shadow:0 0 10px color-mix(in srgb,var(--area-color) 60%,transparent);letter-spacing:.09em;font-weight:600;transform-style:preserve-3d}
.planning-region-text::before{content:'';pointer-events:none;position:absolute;inset:-3px;border:1px solid color-mix(in srgb,var(--area-color) 56%,transparent);border-radius:9px;filter:blur(4px)}
/* Left-side title should remain visible but never block planning hit polygons. */
.headline{pointer-events:none}
/* UI intro: start from adjacent edge, fade into place. Disable transitions when reduced motion requested. */
@keyframes uiEnterLeft{from{opacity:0;transform:translateX(-32px)}to{opacity:1;transform:translateX(0)}}
@keyframes uiEnterRight{from{opacity:0;transform:translateX(32px)}to{opacity:1;transform:translateX(0)}}
@keyframes uiEnterUp{from{opacity:0;transform:translateY(-22px)}to{opacity:1;transform:translateY(0)}}
@keyframes uiEnterDown{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
.stage.startup .topbar{animation:uiEnterUp .7s ease-out .8s both}
.stage.startup .headline,.stage.startup .brand-card{animation:uiEnterLeft .75s ease-out .87s both}
.stage.startup .right-nav{animation:uiEnterRight .7s ease-out .98s both}
.stage.startup .bottom-nav{animation:uiEnterDown .7s ease-out 1.07s both}
/* Preserve centering of language bar (requires its own keyframes) */
@keyframes languageEnter{from{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%,0)}}
.stage.startup .language-bar{animation:languageEnter .7s ease-out 1.03s both}
@media(prefers-reduced-motion:reduce){.stage.startup .topbar,.stage.startup .headline,.stage.startup .brand-card,.stage.startup .right-nav,.stage.startup .bottom-nav,.stage.startup .language-bar{animation:none!important;opacity:1!important}.planning-layer.active .planning-region-label{animation:none!important;opacity:1}}

/* V2.1: independent spatial label scaling and connector removal */
.planning-region-label::after,
.planning-region-label .planning-line,
.planning-connector {display:none!important;}
.planning-region-label{transform:translate(-50%,-50%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth)) scale(var(--label-scale,1))!important;}
.planning-layer.active .planning-region-label{animation:spatialLabelScaledIn .42s cubic-bezier(.17,.67,.22,1) both!important;animation-delay:var(--area-delay)!important;}
@keyframes spatialLabelScaledIn{
  from{opacity:0;transform:translate(-50%,-44%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth)) scale(calc(var(--label-scale,1)*.91));}
  to{opacity:1;transform:translate(-50%,-50%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth)) scale(var(--label-scale,1));}
}
@media(prefers-reduced-motion:reduce){.planning-layer.active .planning-region-label{animation:none!important;opacity:1!important;}}

/* ===== V2.2 Crisp spatial labels =====
   IMPORTANT: Instead of scaling a rasterized 3D text layer, increase the
   font and box dimensions before applying perspective rotation.
   This keeps scale editable while reducing enlargement blur. */
.planning-region-label{
 transform:translate(-50%,-50%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth))!important;
}
.planning-layer.active .planning-region-label{
 animation:spatialLabelCrispIn .42s cubic-bezier(.17,.67,.22,1) both!important;
 animation-delay:var(--area-delay)!important;
}
@keyframes spatialLabelCrispIn{
 from{opacity:0;transform:translate(-50%,-44%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth));}
 to{opacity:1;transform:translate(-50%,-50%) perspective(4000px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(var(--rz)) translateZ(var(--depth));}
}
.planning-region-text{
 font-size:calc(19px * var(--label-scale,1));
 padding:calc(8px * var(--label-scale,1)) calc(17px * var(--label-scale,1));
 border-radius:calc(7px * var(--label-scale,1));
 text-shadow:0 0 3px color-mix(in srgb,var(--area-color) 28%,transparent);
 -webkit-font-smoothing:antialiased;
}
@media(prefers-reduced-motion:reduce){.planning-layer.active .planning-region-label{animation:none!important;opacity:1!important}}

/* V2.3: Remove locator from scene-3 equipment hover labels. */
.planning-device-label .planning-device-dot{display:none!important}
.planning-device-label{gap:0!important}

/* Expand the glow radius on the three spatial zone cards by 50%.
   Only the halo changes, not position, angle, or font size. */
.planning-region-text{
 box-shadow:0 0 7.5px var(--area-color),
            0 0 25.5px color-mix(in srgb,var(--area-color) 54%,transparent),
            inset 0 0 15px color-mix(in srgb,var(--area-color) 18%,transparent),
            8px 10px 13px #020e1b80;
}
.planning-region-text::before{filter:blur(6px)}

/* Scene-one labels: avoid blurring actual glyphs with heavy text glow or
   parent filter; keep emphasis/glow on the blue locator instead. */
.hotspot.hotspot-fixed .hot-label{
 text-shadow:none!important;
 -webkit-font-smoothing:antialiased;
 font-synthesis:none;
}
.hotspot.hotspot-fixed:hover,.hotspot.hotspot-fixed.selected{
 filter:none!important;
}
.hotspot.hotspot-fixed:hover .locator,
.hotspot.hotspot-fixed.selected .locator{
 box-shadow:0 0 20px #0bbefbbb,inset 0 0 12px #00ceff77;
}

/* V2.4 SCENE 02 ENERGY FLOW (1920x1080, no external dependencies) */
.energy-flow-layer{position:absolute;inset:0;width:1920px;height:1080px;z-index:2;pointer-events:none;overflow:visible;visibility:hidden}
.energy-flow-layer.energy-visible{visibility:visible}
.energy-track{opacity:0;transition:opacity .55s ease-in}
.energy-track.on{opacity:1}
.energy-track-halo{fill:none;stroke-width:11;opacity:.8;stroke-linecap:round;stroke-linejoin:round}
.energy-track-base{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;opacity:.75}
.energy-track-pulse{fill:none;stroke-width:4.5;stroke-linecap:round;stroke-linejoin:round;animation:energyDash 4s linear infinite}
.energy-orb{filter:drop-shadow(0 0 5px white)}
.energy-terminal{filter:drop-shadow(0 0 7px currentColor);opacity:.95}
@keyframes energyDash{to{stroke-dashoffset:-380}}
@media(prefers-reduced-motion:reduce){.energy-track-pulse{animation:none}.energy-orb{display:none}}

/* V2.5: enhanced energy streams; only active within scene 02 */
.energy-track-shadow{fill:none;stroke-width:15;opacity:.5;stroke-linecap:round;stroke-linejoin:round}
.energy-track-halo{stroke-width:16;opacity:.8}
.energy-track-base{stroke-width:4;opacity:.87}
.energy-track-pulse{stroke-width:5.4;animation:energyDash 2.6s linear infinite}
.energy-track-core{fill:none;stroke-width:2.3;opacity:.8;stroke-linecap:round;stroke-dasharray:4 115;animation:energyDash 2.1s linear infinite}
.energy-orb{opacity:.95}
.energy-streak{pointer-events:none;filter:blur(2px)}
.energy-node-aura{opacity:.3;transition:opacity .6s}
.energy-node-core{opacity:.8;filter:drop-shadow(0 0 9px #ffffff)}
.energy-node-ring{opacity:0;stroke-width:3;transform-box:fill-box;transform-origin:center;pointer-events:none}
.energy-node-ring.ring-active{animation:energyNodeExpand 1.15s ease-out forwards}
.energy-track.energized .energy-node-aura{opacity:.7}
@keyframes energyNodeExpand{0%{opacity:.95;transform:scale(.6);stroke-width:5}100%{opacity:0;transform:scale(3.4);stroke-width:1}}
@media(prefers-reduced-motion:reduce){.energy-track-core{animation:none}.energy-node-ring.ring-active{animation:none}}


/* V2.6: scene 02 branch loops + device glow highlights */
.energy-flow-layer{z-index:2}
.energy-track-shadow{display:none!important}
.energy-track.main-track .energy-track-halo{stroke-width:16;opacity:.82}
.energy-track.main-track .energy-track-base{stroke-width:4;opacity:.9}
.energy-track.main-track .energy-track-pulse{stroke-width:5.4;animation:energyDash 2.6s linear infinite}
.energy-track.main-track .energy-track-core{fill:none;stroke-width:2.3;opacity:.8;stroke-linecap:round;animation:energyDash 2.1s linear infinite}
.energy-track.sub-track .energy-track-halo{stroke-width:8;opacity:.42}
.energy-track.sub-track .energy-track-base{stroke-width:1.9;opacity:.62}
.energy-track.sub-track .energy-track-pulse{stroke-width:2.5;animation:energyDash 3.6s linear infinite}
.energy-track.sub-track .energy-track-core{fill:none;stroke-width:1.1;opacity:.55;stroke-linecap:round;animation:energyDash 3.1s linear infinite}
.energy-track.sub-track .energy-orb{opacity:.7}
.energy-track.sub-track .energy-streak{opacity:.28}
.energy-track.sub-track .energy-node-aura,.energy-track.sub-track .energy-node-ring,.energy-track.sub-track .energy-node-core{display:none}
.scene02-device-layer{position:absolute;inset:0;width:1920px;height:1080px;z-index:3;pointer-events:none;visibility:hidden}
.scene02-device-layer.energy-visible{visibility:visible}
.scene02-device{position:absolute;inset:0;width:1920px;height:1080px;opacity:0;transform:scale(.985);transform-origin:center center;transition:opacity .48s ease,transform .48s ease,filter .48s ease;mix-blend-mode:screen;filter:drop-shadow(0 0 0 transparent)}
.scene02-device.active{opacity:.95;transform:scale(1);filter:drop-shadow(0 0 16px var(--glow,#78dfff)) drop-shadow(0 0 32px color-mix(in srgb,var(--glow,#78dfff) 68%, transparent)) saturate(1.08)}
.scene02-device.pulse{animation:scene02DevicePulse 1.35s ease-out}
@keyframes scene02DevicePulse{0%{opacity:.86;filter:drop-shadow(0 0 12px var(--glow,#78dfff)) drop-shadow(0 0 18px var(--glow,#78dfff))}40%{opacity:1;filter:drop-shadow(0 0 22px var(--glow,#78dfff)) drop-shadow(0 0 48px color-mix(in srgb,var(--glow,#78dfff) 78%, transparent)) saturate(1.15)}100%{opacity:.95;filter:drop-shadow(0 0 16px var(--glow,#78dfff)) drop-shadow(0 0 32px color-mix(in srgb,var(--glow,#78dfff) 68%, transparent)) saturate(1.08)}}
@media(prefers-reduced-motion:reduce){.scene02-device{transition:none}.scene02-device.pulse{animation:none}}

/* V2.7: customer-review finishing pass */
/* Product image navigation: true circle at all stage sizes. */
.image-window .img-arrow{width:44px!important;height:44px!important;min-width:44px;min-height:44px;aspect-ratio:1/1;flex:0 0 44px;border-radius:50%!important;display:flex;align-items:center;justify-content:center;padding:0;line-height:1;font-size:30px;box-sizing:border-box;transform:translateY(-50%);font-family:Arial,sans-serif}
.image-window .img-arrow.prev{left:12px}.image-window .img-arrow.next{right:12px}
/* Improve hotspot label glyph rendering: remove ancestor brightness filter and text glow. */
.hotspot.hotspot-fixed:hover,.hotspot.hotspot-fixed.selected{filter:none!important}
.hotspot.hotspot-fixed .hot-label{font-size:16px!important;font-weight:500;line-height:1.4;text-shadow:none!important;filter:none!important;-webkit-font-smoothing:antialiased;letter-spacing:.015em;isolation:isolate}
.hotspot.hotspot-fixed:hover .hot-label,.hotspot.hotspot-fixed.selected .hot-label{background:#125a80f5;border-color:#85dafa}
html[lang="en"] .hotspot.hotspot-fixed .hot-label{font-size:14px!important;letter-spacing:0}
html[lang="ru"] .hotspot.hotspot-fixed .hot-label{font-size:14px!important;letter-spacing:0;max-width:290px;padding:8px 11px}
/* Russian left card: same font size as English. Allow wrapping without squeezing glyphs. */
html[lang="en"] .brand-card-copy,html[lang="ru"] .brand-card-copy{font-size:13px!important;line-height:1.5;letter-spacing:0;overflow-wrap:break-word}
/* Sub-route electric flow at half the original speed, no extra blinking. */
.energy-track.sub-track .energy-track-pulse{animation-duration:7.2s!important}
.energy-track.sub-track .energy-track-core{animation-duration:6.2s!important}
/* PNG silhouettes remain steadily illuminated after the first staggered reveal. */
.scene02-device{transform:none!important;transition:opacity .8s ease!important;animation:none!important}
.scene02-device.active{transform:none!important;opacity:.95;animation:none!important}
.scene02-device.pulse{animation:none!important}
/* Disable text-scale distortions for nav circular arrows and dialogs. */
.image-window .img-arrow:focus-visible{outline:2px solid #7bdcff;outline-offset:3px}
@media(prefers-reduced-motion:reduce){.energy-track.sub-track .energy-track-pulse,.energy-track.sub-track .energy-track-core{animation:none!important}}