:root { --navy:#102331; --deep:#08151d; --steel:#344956; --mist:#edf1f2; --paper:#f8f8f5; --orange:#e06c32; --orange-light:#f49a54; --text:#17242c; --muted:#68757a; --line:#d9dfde; --white:#fff; --max:1180px; }
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--text);font-family:"Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.65} body.modal-open{overflow:hidden} a{color:inherit;text-decoration:none} button{font:inherit} .container{width:min(var(--max),calc(100% - 48px));margin:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-48px;left:20px;z-index:99;background:var(--orange);color:#fff;padding:8px 12px}.skip-link:focus{top:10px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(8,21,29,.96);border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(12px)}.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;letter-spacing:.04em}.brand-mark{display:grid;place-items:center;width:29px;height:29px;background:var(--orange);clip-path:polygon(0 0,100% 0,100% 75%,75% 100%,0 100%);font-size:16px;color:#fff}.brand-accent{color:var(--orange-light)}.site-nav{display:flex;align-items:center;gap:28px;color:#d7e0e3;font-size:14px}.site-nav a{transition:color .2s}.site-nav a:hover,.text-link:hover{color:var(--orange-light)}.nav-cta{border:1px solid var(--orange);background:var(--orange);color:#fff;padding:9px 15px;cursor:pointer}.menu-toggle{display:none}
.hero{position:relative;overflow:hidden;background:var(--deep);color:#fff;padding:88px 0 0}.hero:after{content:"";position:absolute;right:-9vw;top:-12vw;width:48vw;height:48vw;border:1px solid rgba(244,154,84,.25);border-radius:50%;box-shadow:0 0 0 45px rgba(244,154,84,.04),0 0 0 90px rgba(244,154,84,.025)}.hero-lines{position:absolute;inset:0;background:linear-gradient(90deg,transparent 0 49.9%,rgba(255,255,255,.05) 50% 50.1%,transparent 50.2%),linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px);background-size:100% 100%,38px 38px;opacity:.55}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .97fr;gap:64px;align-items:center;min-height:530px}.eyebrow{display:flex;align-items:center;gap:9px;margin:0 0 18px;color:var(--orange-light);font-size:11px;font-weight:800;letter-spacing:.18em}.eyebrow span{display:inline-block;width:28px;height:2px;background:currentColor}.eyebrow.dark{color:var(--orange)}h1,h2,h3,p{margin-top:0}.hero h1{max-width:700px;margin-bottom:24px;font-size:clamp(45px,5.5vw,76px);line-height:1.12;letter-spacing:-.06em}.hero h1 em,.contact h2 em{color:var(--orange-light);font-style:normal}.hero-lead{max-width:650px;margin-bottom:28px;color:#c4d0d5;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;min-height:52px;padding:0 20px;border:1px solid transparent;font-weight:800;cursor:pointer;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button b{font-size:21px;font-weight:400}.button-primary{background:var(--orange);color:#fff}.button-primary:hover{background:#c95722}.button-light{border-color:#71818a;background:transparent;color:#fff}.button-light:hover{border-color:#fff;background:#fff;color:var(--deep)}.replace-note{margin:17px 0 0;color:#9baab0;font-size:12px}.replace-note span{color:var(--orange-light)}
.hero-visual{position:relative;z-index:1;min-height:390px}.placeholder-photo{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;padding:30px;border:1px dashed rgba(255,255,255,.4);background:linear-gradient(145deg,rgba(71,97,110,.72),rgba(17,39,51,.9));color:#fff;text-align:center}.placeholder-photo:before{content:"";position:absolute}.hero-photo{position:absolute;inset:18px 5px 10px 45px;min-height:350px;box-shadow:18px 18px 0 rgba(224,108,50,.72)}.photo-icon{margin-bottom:9px;color:var(--orange-light);font-size:38px}.placeholder-photo strong{font-size:17px;letter-spacing:.12em}.placeholder-photo small{margin-top:5px;color:#c3cfd3}.hero-badge{position:absolute;left:-13px;top:25px;z-index:2;width:118px;height:118px;display:flex;flex-direction:column;justify-content:center;padding:16px;background:var(--orange);color:#fff}.hero-badge span{font-family:Georgia,serif;font-size:55px;line-height:.9}.hero-badge small{margin-top:9px;font-size:12px}.hero-tag{position:absolute;right:0;bottom:14px;z-index:2;padding:12px 16px;background:#f0f3f2;color:var(--deep);font-size:13px;font-weight:700}.hero-tag i{display:inline-block;width:8px;height:8px;margin-right:7px;background:var(--orange);border-radius:50%}.hero-foot{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.16)}.hero-foot span{padding:19px 0;color:#a4b4b9;font-size:13px;border-right:1px solid rgba(255,255,255,.16);text-align:center}.hero-foot span:last-child{border:0}
.section{padding:100px 0}.intro{background:var(--paper)}.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px}.section h2{margin-bottom:0;font-size:clamp(32px,3.8vw,54px);line-height:1.18;letter-spacing:-.06em}.intro-copy{padding-top:28px}.intro-copy>p{max-width:560px;color:var(--muted);font-size:17px}.text-link{display:inline-flex;gap:20px;margin-top:5px;color:var(--navy);font-weight:800}.text-link span{color:var(--orange);font-size:20px}.stats{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);margin-top:23px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.stats article{padding:25px 30px 23px;border-right:1px solid var(--line)}.stats article:first-child{padding-left:0}.stats article:last-child{border:0}.stats strong{font-size:29px;letter-spacing:-.05em}.stats strong span{margin-left:4px;color:var(--orange);font-size:14px}.stats p{margin:1px 0 0;color:var(--muted);font-size:13px}
.section-steel{background:#dfe6e7}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:36px}.section-heading>p{max-width:370px;margin:0;color:#53636a;font-size:15px}.product-controls{display:flex;gap:8px;margin-bottom:20px}.filter{border:1px solid #aebbbe;background:transparent;color:#40545d;padding:9px 14px;font-size:14px;cursor:pointer}.filter.active{border-color:var(--navy);background:var(--navy);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.product-card{display:flex;flex-direction:column;background:#f8faf9;min-height:370px;transition:transform .25s,box-shadow .25s}.product-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px rgba(16,35,49,.15)}.card-visual{display:flex;flex:0 0 146px;flex-direction:column;justify-content:space-between;padding:15px;border-bottom:3px solid var(--orange);background:linear-gradient(145deg,#355160,#172f3b);color:#fff}.card-visual span{font-family:Georgia,serif;color:var(--orange-light);font-size:34px}.card-visual small{color:#ced7da;font-size:11px}.product-card-body{display:flex;flex:1;flex-direction:column;padding:20px}.product-card-body>p:first-child{margin-bottom:7px;color:var(--orange);font-size:11px;font-weight:800;letter-spacing:.13em}.product-card h3{font-size:22px}.line{display:block;width:28px;height:2px;margin:3px 0 15px;background:var(--orange)}.product-card .description{color:var(--muted);font-size:14px}.product-card a{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);color:var(--navy);font-size:14px;font-weight:800}.product-card a b{color:var(--orange);font-size:20px}.product-note{margin:18px 0 0;color:#697a7f;font-size:12px}
.application{background:#fff}.application-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.application-visual .placeholder-photo{position:relative;min-height:420px;background:linear-gradient(140deg,#2a4755,#15262f)}.application-visual>p{margin:13px 0 0;color:var(--muted);font-size:13px}.scene-list{margin-top:30px;border-top:1px solid var(--line)}.scene-list a{display:grid;grid-template-columns:47px 1fr 25px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);transition:padding .2s,color .2s}.scene-list a:hover{padding-left:8px;color:var(--orange)}.scene-list span{color:var(--orange);font:16px Georgia,serif}.scene-list b{font-size:18px}.scene-list i{font-size:22px;font-style:normal}.process{background:var(--navy);color:#fff}.process .section-heading>p{color:#aebdc2}.process-list{display:grid;grid-template-columns:repeat(4,1fr);margin:45px 0 0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.2)}.process-list li{position:relative;padding:25px 22px 0;border-right:1px solid rgba(255,255,255,.2)}.process-list li:first-child{padding-left:0}.process-list li:last-child{border:0}.process-list span{display:block;margin-bottom:44px;color:var(--orange-light);font:25px Georgia,serif}.process-list h3{margin-bottom:7px;font-size:18px}.process-list p{color:#b4c2c7;font-size:14px}.contact{padding:90px 0;background:var(--orange);color:#fff}.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:80px;align-items:center}.contact h2{margin-bottom:18px}.contact>p,.contact-grid>div>p:last-child{color:#ffe0cc}.contact-card{padding:6px 25px;background:#fff;color:var(--text)}.contact-row{display:grid;grid-template-columns:100px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);font-size:14px}.contact-row>span{color:var(--muted)}.contact-row strong{font-size:15px}.contact-row a,.contact-row button{border:0;background:transparent;color:var(--orange);font-size:13px;font-weight:800;cursor:pointer}.muted{color:#89969b;font-size:12px}.dark-note{margin-bottom:17px;color:#748085}.site-footer{background:var(--deep);color:#aab8bc}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 0}.footer-inner p{margin:0;font-size:12px}.mobile-actions{display:none}
.modal[hidden]{display:none}.modal{position:fixed;z-index:80;inset:0;display:grid;place-items:center;padding:20px}.modal-backdrop{position:absolute;inset:0;background:rgba(4,13,18,.75)}.modal-panel{position:relative;width:min(380px,100%);padding:35px;background:#fff;box-shadow:0 25px 70px rgba(0,0,0,.32);text-align:center}.modal-panel .eyebrow{justify-content:center}.modal-panel h2{font-size:32px}.modal-panel>p:last-child{margin:18px 0 0;color:var(--muted);font-size:13px}.modal-close{position:absolute;right:10px;top:8px;border:0;background:transparent;color:var(--navy);font-size:28px;cursor:pointer}.qr-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;width:170px;height:170px;margin:22px auto 0;border:10px double var(--navy);background:repeating-linear-gradient(45deg,#f1f3f2,#f1f3f2 7px,#fff 7px,#fff 14px);color:var(--navy);font-weight:800}.qr-placeholder small{color:var(--orange)}
.product-page .site-header{position:relative}.back-link{color:#dce5e8;font-size:14px}.product-hero{padding:83px 0;background:var(--deep);color:#fff}.product-hero-grid{display:grid;grid-template-columns:1fr .8fr;gap:85px;align-items:center}.product-kicker{margin-bottom:12px;color:var(--orange-light);font-size:16px}.product-hero h1{margin-bottom:16px;font-size:clamp(43px,5vw,68px);line-height:1.12}.product-image{height:330px}.product-details{padding:85px 0}.detail-grid{display:grid;grid-template-columns:1fr .82fr;gap:90px}.feature-list{margin:30px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.feature-list li{padding:16px 0 16px 28px;border-bottom:1px solid var(--line);color:var(--muted);position:relative}.feature-list li:before{content:"";position:absolute;top:27px;left:2px;width:9px;height:9px;background:var(--orange)}.parameter-card{padding:28px;background:var(--mist)}.parameter-card>p{margin-bottom:10px;color:var(--orange);font-weight:800}.parameter-card>div{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid #cbd4d4;font-size:13px}.parameter-card>div span{color:var(--muted)}.parameter-card>div b{font-size:13px;text-align:right}.parameter-card small{display:block;margin-top:17px;color:var(--muted);line-height:1.6}.product-contact{padding:75px 0;background:#dfe6e7;text-align:center}.product-contact p{margin-bottom:8px;color:var(--muted)}.product-contact h2{margin-bottom:24px;font-size:clamp(28px,3vw,42px)}
@media(max-width:900px){.site-nav{gap:15px}.hero-grid,.application-grid,.contact-grid,.product-hero-grid,.detail-grid{gap:42px}.product-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr}.process-list{grid-template-columns:repeat(2,1fr)}.process-list li:nth-child(3){padding-left:0}.process-list li:nth-child(2){border:0}.application-grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){body{padding-bottom:58px}.container{width:min(100% - 32px,var(--max))}.header-inner{height:65px}.site-nav{position:absolute;top:65px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px 16px 18px;background:var(--deep);border-top:1px solid rgba(255,255,255,.12)}.site-nav.open{display:flex}.site-nav a,.nav-cta{padding:11px 0}.nav-cta{text-align:left}.menu-toggle{display:flex;flex-direction:column;gap:4px;width:35px;padding:7px 0;border:0;background:transparent}.menu-toggle span:not(.sr-only){display:block;width:25px;height:2px;background:#fff}.hero{padding-top:56px}.hero-grid,.intro-grid,.application-grid,.product-hero-grid,.detail-grid{grid-template-columns:1fr;gap:36px}.hero-grid{min-height:auto}.hero h1{font-size:44px}.hero-lead{font-size:15px}.hero-visual{min-height:290px}.hero-photo{inset:12px 10px 8px 25px;min-height:250px}.hero-badge{width:92px;height:92px}.hero-badge span{font-size:41px}.hero-badge small{font-size:10px}.hero-foot{display:none}.section{padding:66px 0}.section-heading{align-items:start;flex-direction:column;gap:17px}.section h2{font-size:35px}.intro-copy{padding-top:0}.stats{grid-template-columns:1fr;margin-top:0}.stats article,.stats article:first-child{padding:18px 0;border-right:0;border-bottom:1px solid var(--line)}.stats article:last-child{border-bottom:0}.product-grid{grid-template-columns:1fr}.product-card{min-height:335px}.application-visual .placeholder-photo{min-height:280px}.process-list{grid-template-columns:1fr;margin-top:30px}.process-list li,.process-list li:first-child,.process-list li:nth-child(3){padding:18px 0;border-right:0;border-bottom:1px solid rgba(255,255,255,.2)}.process-list li:last-child{border-bottom:0}.process-list span{margin-bottom:15px}.contact{padding:65px 0}.contact-card{padding:4px 17px}.contact-row{grid-template-columns:1fr auto;gap:6px}.contact-row>span{grid-column:1/-1}.footer-inner{align-items:flex-start;flex-direction:column}.footer-inner p:last-child{display:none}.mobile-actions{position:fixed;bottom:0;left:0;right:0;z-index:50;display:grid;grid-template-columns:1fr 1fr;background:#fff;box-shadow:0 -5px 20px rgba(0,0,0,.16)}.mobile-actions>*{min-height:58px;display:grid;place-items:center;border:0;background:#fff;color:var(--navy);font-weight:800}.mobile-actions button{background:var(--orange);color:#fff}.product-hero{padding:56px 0}.product-image{height:260px}.back-link{font-size:12px}.product-details{padding:62px 0}.product-contact{padding:60px 0}}