:root{--orange:#ff5a1f;--orange-deep:#df3f0b;--ink:#121416;--muted:#697079;--line:#dfe2e5;--paper:#f5f6f4;--white:#fff;--max:1240px;--pad:clamp(24px,5vw,72px)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"DM Sans",sans-serif;background:var(--white);letter-spacing:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.site-header{height:78px;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;position:absolute;z-index:20;width:100%;color:white;border-bottom:1px solid rgba(255,255,255,.24)}.brand,.footer-brand{display:flex;align-items:center;gap:12px}.brand-mark{width:34px;height:34px;position:relative;display:inline-block}.brand-mark i{position:absolute;width:11px;height:30px;background:var(--orange);transform:skewY(-32deg);top:2px}.brand-mark i:first-child{left:5px}.brand-mark i:last-child{right:5px;transform:skewY(32deg)}.brand-name{font-family:Manrope,sans-serif;font-size:15px;font-weight:700;letter-spacing:1.4px}.brand-name b{color:var(--orange)}.desktop-nav{display:flex;gap:34px;font-size:14px}.desktop-nav a{position:relative}.desktop-nav a:after{content:"";position:absolute;left:0;bottom:-9px;width:0;height:2px;background:var(--orange);transition:.25s}.desktop-nav a:hover:after{width:100%}.header-actions{display:flex;align-items:center;gap:20px}.text-link{display:flex;align-items:center;font-size:12px}.text-link svg{width:14px}.button{border:0;background:var(--orange);color:white;min-height:50px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;gap:18px;font-weight:700;font-size:14px;transition:.25s}.button:hover{background:var(--orange-deep);transform:translateY(-2px)}.button svg{width:17px}.button-small{min-height:42px;padding:0 18px}.menu-button{display:none;background:transparent;border:0;color:white}.hero{min-height:760px;height:100svh;max-height:920px;position:relative;background:#121416;color:white;overflow:hidden}.hero-media{position:absolute;inset:0;background:url("https://images.unsplash.com/photo-1486262715619-67b85e0b08d3?auto=format&fit=crop&w=2200&q=88") center 45%/cover no-repeat;filter:saturate(.75) contrast(1.08)}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,12,13,.92) 0%,rgba(10,12,13,.68) 44%,rgba(10,12,13,.15) 78%),linear-gradient(0deg,rgba(10,12,13,.7),transparent 40%)}.hero-grid{position:absolute;inset:78px 0 0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:100% 25%,25% 100%;mask-image:linear-gradient(90deg,#000,transparent 70%)}.hero-content{position:relative;z-index:2;padding:clamp(150px,22vh,220px) var(--pad) 0;max-width:960px}.eyebrow{font-family:Manrope,sans-serif;font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--orange);display:flex;align-items:center;gap:10px;margin:0 0 24px}.eyebrow span{width:26px;height:2px;background:var(--orange)}.eyebrow.light{color:#fff}.hero h1,.section-heading h2,.process h2,.location-copy h2,.contact h2{font-family:Manrope,sans-serif;letter-spacing:0;margin:0;font-weight:700;line-height:.98}.hero h1{font-size:clamp(54px,7.4vw,110px);max-width:920px}.hero-copy{font-size:clamp(16px,1.5vw,20px);line-height:1.6;color:#d6d9dc;max-width:620px;margin:30px 0}.hero-actions{display:flex;gap:12px}.button-ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.45);backdrop-filter:blur(8px)}.button-ghost:hover{background:white;color:var(--ink)}.hero-proof{position:absolute;z-index:2;right:var(--pad);bottom:48px;display:flex;border-top:1px solid rgba(255,255,255,.35);padding-top:20px}.hero-proof div{min-width:150px;padding-left:22px;border-left:1px solid rgba(255,255,255,.22);display:flex;flex-direction:column}.hero-proof strong{font:700 25px Manrope}.hero-proof span{font-size:11px;color:#bbbfc3;margin-top:5px}.scroll-cue{position:absolute;z-index:2;left:var(--pad);bottom:48px;display:flex;gap:18px;align-items:center;font-size:11px;text-transform:uppercase;letter-spacing:1.5px}.scroll-cue svg{width:16px}.section-pad{padding:120px var(--pad)}.section-heading{max-width:var(--max);margin:0 auto 66px}.split-heading{display:grid;grid-template-columns:1.2fr .8fr;gap:100px;align-items:end}.section-heading h2,.process h2,.location-copy h2,.contact h2{font-size:clamp(42px,5vw,72px)}.split-heading>p{color:var(--muted);font-size:17px;line-height:1.7;margin:0 0 5px}.scenario-tabs{max-width:var(--max);margin:auto;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.scenario-tab{border:0;border-right:1px solid var(--line);background:white;min-height:150px;padding:22px 24px;text-align:left;position:relative;display:grid;grid-template-columns:1fr auto;transition:.25s}.scenario-tab:first-child{border-left:1px solid var(--line)}.scenario-tab>span{font:600 11px Manrope;color:#a9afb4}.scenario-tab svg{width:25px;color:#989da1}.scenario-tab b{align-self:end;font:700 19px Manrope}.scenario-tab small{grid-column:1/-1;color:#858b90;margin-top:5px}.scenario-tab:after{content:"";position:absolute;height:4px;left:0;right:100%;bottom:-1px;background:var(--orange);transition:.3s}.scenario-tab.active{background:#faf7f5}.scenario-tab.active svg,.scenario-tab.active>span{color:var(--orange)}.scenario-tab.active:after{right:0}.scenario-stage{max-width:var(--max);min-height:520px;margin:54px auto 0;display:grid;grid-template-columns:.8fr 1.2fr;background:var(--paper)}.scenario-copy{padding:56px;display:flex;flex-direction:column;justify-content:center}.stage-kicker{font:700 11px Manrope;letter-spacing:1.5px;color:var(--orange);margin:0 0 18px}.scenario-copy h3{font:700 clamp(35px,3.5vw,54px)/1.05 Manrope;margin:0 0 22px}.scenario-copy>p:not(.stage-kicker){color:var(--muted);line-height:1.65;margin:0}.scenario-copy ul{list-style:none;padding:0;margin:26px 0}.scenario-copy li{display:flex;gap:11px;margin:10px 0;font-size:14px}.scenario-copy li svg{width:16px;color:var(--orange)}.arrow-link{display:inline-flex;align-items:center;gap:15px;font-weight:700;font-size:14px;width:max-content;border-bottom:1px solid var(--ink);padding-bottom:6px}.arrow-link svg{width:16px}.scenario-visual{min-height:520px;position:relative;background:url("https://images.unsplash.com/photo-1565043589221-1a6fd9ae45c7?auto=format&fit=crop&w=1400&q=85") center/cover;transition:background-image .35s}.scenario-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(13,15,16,.7))}.visual-label{position:absolute;z-index:2;bottom:28px;left:30px;color:white;display:flex;flex-direction:column}.visual-label span{font-size:9px;letter-spacing:1.4px;color:#ddd}.visual-label strong{font:700 15px Manrope;margin-top:5px}.products{background:#151719;color:white}.light-heading>p{color:#aeb3b7}.product-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:2px;background:#343638}.product-card{background:#202225}.product-image{height:370px;position:relative;background-size:cover;background-position:center;overflow:hidden;transition:.4s}.product-card-wide .product-image{height:470px}.product-image.wash{background-image:url("https://images.unsplash.com/photo-1520340356584-f9917d1eea6f?auto=format&fit=crop&w=1400&q=85")}.product-image.vacuum{background-image:url("https://images.unsplash.com/photo-1553440569-bcc63803a83d?auto=format&fit=crop&w=1200&q=85")}.product-image.starter{background-image:url("https://images.unsplash.com/photo-1503376780353-7e6692767b70?auto=format&fit=crop&w=1200&q=85")}.product-image.grease{background-image:url("https://images.unsplash.com/photo-1487754180451-c456f719a1fc?auto=format&fit=crop&w=1400&q=85")}.image-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.45))}.product-number{position:absolute;z-index:2;top:24px;left:25px;background:rgba(16,18,19,.65);backdrop-filter:blur(8px);font:700 11px Manrope;padding:8px 10px}.product-content{padding:28px;display:flex;justify-content:space-between;align-items:center;min-height:128px}.product-content p{color:var(--orange);font:700 10px Manrope;letter-spacing:1.4px;margin:0 0 9px}.product-content h3{font:700 24px Manrope;margin:0 0 8px}.product-content span{font-size:13px;color:#9ca1a5}.product-content>a{width:44px;height:44px;border:1px solid #515457;display:grid;place-items:center;transition:.2s}.product-content>a:hover{background:var(--orange);border-color:var(--orange)}.product-content svg{width:18px}.product-card:hover .product-image{filter:brightness(1.08);background-size:105%}.category-strip{max-width:var(--max);margin:44px auto 0;border-top:1px solid #383b3e;padding-top:24px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}.category-strip span{font-size:11px;color:#7e8387;text-transform:uppercase;letter-spacing:1.2px;margin-right:auto}.category-strip b{font-size:12px;padding:10px 14px;border:1px solid #44474a;font-weight:500}.advantage-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}.advantage-grid article{min-height:290px;padding:34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}.advantage-grid article>span{position:absolute;right:24px;top:24px;color:#b4b8bb;font:600 11px Manrope}.advantage-grid svg{width:30px;height:30px;color:var(--orange);margin-bottom:60px}.advantage-grid h3{font:700 21px Manrope;margin:0 0 12px}.advantage-grid p{color:var(--muted);font-size:14px;line-height:1.65;margin:0}.process{background:#17191b;color:white}.process-inner{max-width:calc(var(--max) + var(--pad)*2);margin:auto;display:grid;grid-template-columns:.75fr 1.25fr;gap:100px}.process-intro>p:last-child{color:#9fa4a8;line-height:1.7;max-width:450px}.process-list{padding:0;margin:0;list-style:none;border-top:1px solid #3a3d40}.process-list li{display:grid;grid-template-columns:55px 1fr auto;gap:18px;padding:28px 5px;border-bottom:1px solid #3a3d40;align-items:start}.process-list li>span{color:var(--orange);font:700 12px Manrope}.process-list h3{font:700 20px Manrope;margin:0 0 7px}.process-list p{font-size:13px;color:#a6aaad;margin:0;line-height:1.5}.process-list b{font:700 9px Manrope;letter-spacing:1.2px;color:#7d8286;border:1px solid #3e4144;padding:7px 9px}.location-panel{max-width:var(--max);margin:auto;display:grid;grid-template-columns:.85fr 1.15fr;min-height:620px;background:var(--paper)}.location-copy{padding:64px;display:flex;flex-direction:column;justify-content:center}.location-copy>p:not(.eyebrow){color:var(--muted);line-height:1.7}.location-facts{display:grid;grid-template-columns:1fr 1fr;margin:22px 0 32px;border-top:1px solid #d4d7d9;border-bottom:1px solid #d4d7d9}.location-facts div{padding:20px 16px 20px 0;display:flex;flex-direction:column}.location-facts div+div{border-left:1px solid #d4d7d9;padding-left:20px}.location-facts strong{font:700 25px Manrope;color:var(--orange)}.location-facts span{font-size:11px;color:var(--muted);line-height:1.4}.map-wrap{position:relative;min-height:500px;overflow:hidden;filter:grayscale(1);transition:.3s}.map-wrap:hover{filter:grayscale(.2)}.map-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.map-pin{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);background:white;padding:16px 20px;display:flex;align-items:center;gap:12px;box-shadow:0 12px 40px rgba(0,0,0,.17);min-width:230px}.brand-mark.mini{transform:scale(.75);margin:-3px}.map-pin div{display:flex;flex-direction:column}.map-pin b{font:800 12px Manrope;letter-spacing:.8px}.map-pin small{font-size:10px;color:var(--muted);margin-top:4px}.contact{background:var(--orange);display:grid;grid-template-columns:.85fr 1.15fr;gap:100px;color:white}.contact-copy{max-width:520px;margin-left:max(0px,calc((100vw - var(--max))/2 - var(--pad)))}.contact-copy>p:not(.eyebrow){font-size:16px;line-height:1.7;color:#fff1eb}.contact-copy>a{font-weight:700;display:inline-flex;align-items:center;gap:10px;border-bottom:1px solid white;padding-bottom:5px}.contact-copy svg{width:16px}.contact-form{background:white;color:var(--ink);padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:700px}.contact-form label{display:flex;flex-direction:column;gap:8px}.contact-form label:nth-child(4){grid-column:1/-1}.contact-form label span{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.7px}.contact-form input,.contact-form select,.contact-form textarea{border:0;border-bottom:1px solid #d1d4d6;padding:10px 0;background:white;border-radius:0;outline:none}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--orange)}.button-dark{background:var(--ink);width:max-content}.form-status{font-size:13px;color:#29834a;margin:12px 0 0;align-self:center}footer{background:#0f1112;color:white;padding:70px var(--pad) 24px}.footer-brand{justify-content:center}.footer-brand+.brand-name{}footer>p{text-align:center;color:#7e8387;margin:18px 0 36px}.footer-links{display:flex;justify-content:center;gap:34px;font-size:13px}.footer-bottom{border-top:1px solid #292c2e;margin-top:60px;padding-top:24px;display:flex;justify-content:space-between;color:#74797d;font-size:11px}.footer-bottom a{display:flex;align-items:center;gap:7px;color:#c8cbcd}.footer-bottom svg{width:14px}.mobile-menu{display:none}
@media(max-width:900px){.desktop-nav,.header-actions>.text-link,.header-actions>.button-small{display:none}.menu-button{display:block}.hero{min-height:720px}.hero-grid{background-size:50% 25%,50% 100%}.hero-content{padding-top:170px}.hero-proof{right:auto;left:var(--pad);bottom:45px}.hero-proof div{min-width:110px;padding-left:14px}.scroll-cue{display:none}.split-heading{grid-template-columns:1fr;gap:24px}.scenario-tabs{grid-template-columns:1fr 1fr}.scenario-tab:nth-child(3){border-left:1px solid var(--line)}.scenario-stage{grid-template-columns:1fr}.scenario-copy{padding:42px}.scenario-visual{min-height:430px}.product-grid{grid-template-columns:1fr}.product-card .product-image,.product-card-wide .product-image{height:430px}.advantage-grid{grid-template-columns:1fr 1fr}.process-inner{grid-template-columns:1fr;gap:60px}.location-panel{grid-template-columns:1fr}.location-copy{padding:50px}.contact{grid-template-columns:1fr;gap:45px}.contact-copy{margin:0}.contact-form{max-width:none}.mobile-menu{display:flex;position:fixed;z-index:100;inset:0;background:#111;color:white;flex-direction:column;align-items:center;justify-content:center;gap:28px;font:700 28px Manrope;transform:translateX(100%);transition:.3s}.mobile-menu.open{transform:none}.menu-close{position:absolute;right:24px;top:22px;color:white;border:1px solid #555;background:none;width:44px;height:44px;display:grid;place-items:center}}
@media(max-width:600px){.site-header{height:68px}.hero-content{padding-top:145px}.hero h1{font-size:48px}.hero-copy{font-size:15px}.hero-actions{flex-direction:column;align-items:stretch;max-width:330px}.hero-proof{left:24px;right:24px;justify-content:space-between}.hero-proof div{min-width:0}.hero-proof strong{font-size:20px}.hero-proof span{font-size:9px}.section-pad{padding-top:82px;padding-bottom:82px}.section-heading{margin-bottom:42px}.section-heading h2,.process h2,.location-copy h2,.contact h2{font-size:40px}.scenario-tabs{grid-template-columns:1fr}.scenario-tab{min-height:120px}.scenario-tab:nth-child(3){border-left:0}.scenario-tab:first-child,.scenario-tab{border-left:1px solid var(--line)}.scenario-copy{padding:32px 24px}.scenario-visual{min-height:330px}.product-card .product-image,.product-card-wide .product-image{height:310px}.product-content h3{font-size:20px}.advantage-grid{grid-template-columns:1fr}.advantage-grid article{min-height:255px}.process-list li{grid-template-columns:35px 1fr}.process-list b{display:none}.location-copy{padding:38px 24px}.location-facts{grid-template-columns:1fr}.location-facts div+div{border-left:0;border-top:1px solid #d4d7d9;padding-left:0}.map-wrap{min-height:380px}.contact-form{grid-template-columns:1fr;padding:28px 22px}.contact-form label:nth-child(4){grid-column:auto}.footer-links{flex-wrap:wrap}.footer-bottom{flex-direction:column;align-items:center;gap:12px}.category-strip span{width:100%;margin-bottom:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.map-wrap{filter:none;background:#e7edef}.map-wrap:hover{filter:none}.location-map{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.map-attribution{position:absolute;right:12px;bottom:10px;font-size:9px;color:#70787d}.map-pin{left:51.8%;top:67%}
.language-switch{display:flex;align-items:center;gap:7px;font-size:11px}.language-switch button{border:0;background:transparent;color:rgba(255,255,255,.62);font-weight:700;padding:5px 2px;transition:.2s}.language-switch button.active,.language-switch button:hover{color:#fff}.language-switch button.active{border-bottom:2px solid var(--orange)}.language-switch span{color:rgba(255,255,255,.35)}.mobile-language{margin-top:12px;font-size:15px}.mobile-language button{font-size:15px}html[lang="zh"] body{font-family:"DM Sans","Microsoft YaHei","PingFang SC",sans-serif}html[lang="zh"] .hero h1,html[lang="zh"] .section-heading h2,html[lang="zh"] .process h2,html[lang="zh"] .location-copy h2,html[lang="zh"] .contact h2{letter-spacing:-1.5px;line-height:1.12}
@media(max-width:600px){.language-switch{gap:5px}.language-switch button{font-size:10px}.header-actions{gap:12px}}
.brand-logo{display:block;width:188px;height:auto;max-height:58px;object-fit:contain}.footer-logo{width:235px;max-height:none}.footer-brand{min-height:84px}@media(max-width:600px){.brand-logo{width:142px;max-height:50px}.footer-logo{width:205px}}
.brand-slogan{font:600 clamp(18px,2vw,26px) Manrope;color:#c9ccce!important}.faq{background:var(--paper)}.faq-list{max-width:var(--max);margin:auto;border-top:1px solid #cfd3d5}.faq-list details{border-bottom:1px solid #cfd3d5;padding:0 4px}.faq-list summary{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px;list-style:none;font:700 clamp(18px,2vw,24px) Manrope;cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary svg{width:20px;color:var(--orange);transition:.2s;flex:0 0 auto}.faq-list details[open] summary svg{transform:rotate(45deg)}.faq-list details>p{max-width:850px;color:var(--muted);font-size:15px;line-height:1.75;margin:0;padding:0 52px 28px 0}@media(max-width:600px){.faq-list summary{min-height:74px;font-size:17px}.faq-list details>p{padding-right:0}}
.scenario-tab:nth-child(4n+1){border-left:1px solid var(--line)}.scenario-tab:nth-child(n+5){border-top:1px solid var(--line)}@media(max-width:900px){.scenario-tab:nth-child(odd){border-left:1px solid var(--line)}.scenario-tab:nth-child(n+3){border-top:1px solid var(--line)}}@media(max-width:600px){.scenario-tab{border-left:1px solid var(--line)}.scenario-tab:nth-child(n+2){border-top:1px solid var(--line)}}
.hero h1{font-size:clamp(46px,5vw,74px);line-height:1.05;max-width:820px}
html[lang="zh"] .hero h1{font-size:clamp(48px,5.2vw,76px);line-height:1.12}
@media(max-width:600px){.hero h1,html[lang="zh"] .hero h1{font-size:clamp(38px,11vw,44px);line-height:1.12}}
.section-heading h2,.process h2,.location-copy h2,.contact h2{font-size:clamp(38px,4vw,60px);line-height:1.08}
.scenario-copy h3{font-size:clamp(30px,3vw,44px);line-height:1.08}
@media(max-width:600px){.section-heading h2,.process h2,.location-copy h2,.contact h2{font-size:34px}.scenario-copy h3{font-size:30px}}
.footer-contact{display:flex;justify-content:center;gap:10px;margin:0 auto 32px}.contact-icon{width:42px;height:42px;border:1px solid #3b3e40;border-radius:4px;display:grid;place-items:center;color:#d7d9da;transition:background .2s,border-color .2s,color .2s,transform .2s}.contact-icon:hover{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateY(-2px)}.contact-icon svg{width:17px;height:17px}