:root{--bg:#171a18;--panel:#202420;--ink:#f3f1e9;--muted:#adafa8;--line:#383c35;--accent:#c4ad83;--gutter:clamp(22px,5vw,88px);font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none;color-scheme:dark}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,select,input,textarea{-webkit-tap-highlight-color:transparent}button,select{cursor:pointer}button{color:inherit}img{display:block;width:100%;object-fit:cover}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:5px}p{font-size:16px;line-height:1.8}h1,h2,h3,p{margin-top:0}h1,h2{font-weight:400;letter-spacing:-.045em;line-height:1.12}h1{font-size:clamp(42px,5.1vw,78px)}h2{font-size:clamp(32px,3.25vw,48px)}h3{font-weight:400;font-size:23px;line-height:1.3;letter-spacing:-.025em}.wrap{max-width:1600px;margin-inline:auto;padding-inline:var(--gutter)}.section{padding-block:90px}.top-tight{padding-top:15px}.muted{color:var(--muted)}.measure{max-width:600px}.eyebrow{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--accent);margin-bottom:24px;font-weight:500;line-height:1.6}.site-header{height:94px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding-inline:var(--gutter);border-bottom:1px solid var(--line);background:var(--bg);position:relative;z-index:20}.brand{display:flex;align-items:center;gap:12px;font-size:16px;letter-spacing:.14em;font-weight:600;line-height:1.25}.brand-second{display:block;letter-spacing:.43em;font-size:11px;margin-top:3px}.brand-mark{font-size:38px;letter-spacing:-.15em;font-weight:300;color:var(--accent);display:flex;align-items:center}.brand-mark>span{font-size:24px;margin-inline-start:-3px}.desktop-nav{display:flex;align-items:center;gap:clamp(16px,2vw,30px)}.desktop-nav a{font-size:14px;color:#d3d4ce;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:var(--accent)}.header-actions{display:flex;align-items:center;gap:24px}.language{display:flex;align-items:center;gap:6px}.language select{background:transparent;border:0;color:var(--ink);max-width:108px;font-size:14px;padding:8px 0}.language select option{background:var(--bg)}.header-contact{font-size:14px;border-bottom:1px solid var(--accent);padding-bottom:6px;white-space:nowrap}.menu-button{border:0;background:none;width:32px;height:40px;display:none;flex-direction:column;justify-content:center;gap:6px}.menu-button span{height:1px;width:22px;background:var(--ink)}.mobile-nav{position:absolute;z-index:19;inset-inline:0;background:var(--panel);padding:20px var(--gutter);box-shadow:0 20px 40px #0005}.mobile-nav a{display:block;padding-block:10px;font-size:20px}.mobile-nav small{color:var(--accent);font-size:12px;margin-inline-end:15px}.hero{position:relative;min-height:660px;height:calc(100svh - 180px);max-height:900px;isolation:isolate;display:flex;align-items:center}.hero-photo{position:absolute;inset:0;height:100%;z-index:-3;object-position:center 60%}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,#0e100ef0 0%,#12141095 44%,#12141005 100%),linear-gradient(0deg,#11161080,transparent 30%);z-index:-1}.hero-content{width:100%;padding-block:55px 100px}.hero h1{max-width:850px;margin-bottom:25px}.hero-content>p:not(.eyebrow){max-width:500px;color:#d5d5cc;margin-bottom:32px}.actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:36px;padding:17px 25px;font-size:14px;line-height:1.5;border:1px solid transparent;min-height:54px}.primary{background:var(--accent);color:#1c201b}.primary:hover{background:#d6c09a}.outline{border-color:#ffffff65}.outline:hover{background:#ffffff15}.hero-bottom{position:absolute;bottom:30px;display:flex;justify-content:space-between;width:100%;font-size:12px;color:#dddcd5}.hero-bottom span:last-child{display:flex;gap:12px;align-items:center}.hero-bottom i{display:inline-block;width:65px;height:1px;background:#e7dfd2}.capability-strip{display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid var(--line);padding-block:30px;gap:20px}.capability-strip a{font-size:14px;display:flex;gap:12px;align-items:center}.capability-strip small{font-size:11px;color:var(--accent)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:36px}.section-head h2{margin-bottom:0}.section-head .muted{margin-top:22px;margin-bottom:0}.text-link{font-size:14px;border-bottom:1px solid var(--accent);padding-block:8px;display:inline-flex;gap:30px;align-items:center;flex-shrink:0}.text-link:hover{color:var(--accent)}.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.image-wrap{position:relative;overflow:hidden;background:var(--panel)}.image-wrap img{height:390px;transition:transform .7s}.project-card:hover img{transform:scale(1.04)}.round-arrow{position:absolute;bottom:18px;inset-inline-end:18px;border:1px solid #ffffff70;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#171a1833}.card-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px;margin-block:20px 12px}.project-card h3{margin-bottom:8px}.project-card .eyebrow{margin-block:22px 12px}.project-card h2{font-size:28px}.process-section{background:#1b1f1b}.process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:28px}.process article{border-top:1px solid var(--line);padding-top:25px}.step-number{font-size:13px;color:var(--accent);display:block;margin-bottom:32px;letter-spacing:.08em}.process h3{font-size:20px;min-height:50px}.process p{color:var(--muted);font-size:14px;line-height:1.8}.factory-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:0;padding-block:90px 0}.factory-image{position:relative;min-width:0}.factory-image img{height:520px}.factory-copy{padding:60px;background:var(--panel);display:flex;flex-direction:column;justify-content:center;align-items:start}.factory-copy h2{margin-bottom:24px}.factory-copy p{margin-bottom:30px}.play{position:absolute;bottom:30px;inset-inline-start:30px;display:flex;align-items:center;gap:15px;font-size:14px}.play>span{border:1px solid #fff9;border-radius:50%;width:50px;height:50px;display:grid;place-items:center;font-size:24px;background:#171a184d}.review-section{display:grid;grid-template-columns:1fr 1.3fr;gap:80px;align-items:center}.review-section .section-head{display:block;margin:0}.review-section .text-link{margin-top:28px}.quote{margin:0;background:var(--panel);padding:35px 40px}.quote-mark{font-family:Georgia,serif;font-size:64px;line-height:1;color:var(--accent);display:block}.quote blockquote{font-size:22px;line-height:1.65;margin:0 0 28px}.quote figcaption{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted)}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#373c33;color:var(--accent)}.contact-banner{padding-block:70px;display:flex;justify-content:space-between;gap:30px;align-items:center;border-block:1px solid var(--line);background:linear-gradient(110deg,#252b23,#191c18)}.contact-banner h2{margin:0}.footer-top{padding-block:60px;display:flex;justify-content:space-between;gap:60px}.footer-brand{font-size:23px;letter-spacing:.12em}.footer-top p{font-size:14px;margin-top:14px}.footer-top nav{display:grid;grid-template-columns:repeat(3,1fr);gap:18px 35px;font-size:14px;color:var(--muted)}.footer-top nav a:hover{color:var(--ink)}.footer-bottom{display:flex;justify-content:space-between;gap:30px;padding-block:24px 35px;border-top:1px solid var(--line);font-size:12px;color:#999f96;line-height:1.7}.footer-bottom span:last-child{max-width:500px}.whatsapp-float{position:fixed;bottom:24px;inset-inline-end:25px;z-index:30;background:#d1dfcb;color:#152314;border:1px solid #e0eadc;display:flex;align-items:center;gap:8px;padding:11px 17px;border-radius:30px;box-shadow:0 5px 24px #0004;font-size:13px}.whatsapp-float svg{width:25px;height:25px}.breadcrumb{padding-top:30px;display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:12px}.page-intro{padding-block:65px 50px}.page-intro h1{max-width:1100px}.page-intro p:last-child{margin-bottom:0}.editorial-image img,.editorial-image video{height:580px;width:100%;object-fit:cover}.values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:45px}.values article{border-top:1px solid var(--line);padding-top:30px}.caption{font-size:13px;line-height:1.7;color:var(--muted);margin-top:16px}.factory-stages article{display:grid;grid-template-columns:60px 1fr 1.2fr;gap:25px;padding-block:32px;border-top:1px solid var(--line);scroll-margin-top:30px}.factory-stages h2{font-size:28px}.factory-stages p{margin-bottom:0}.comparison{position:relative;height:560px;overflow:hidden;direction:ltr}.comparison img{height:100%;position:absolute;inset:0}.comparison-before{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--position)) 0 0)}.comparison-line{position:absolute;top:0;bottom:0;left:var(--position);width:2px;background:white}.comparison-line:after{content:'↔';position:absolute;top:50%;left:-21px;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--bg);font-size:22px}.comparison-label{position:absolute;bottom:20px;font-size:13px;background:#171a18b0;padding:10px 14px}.comparison-label.before{left:20px}.comparison-label.after{right:20px}.compare-control{display:block;font-size:14px;color:var(--muted);margin-top:24px}.compare-control input{display:block;width:100%;accent-color:var(--accent);margin:18px 0;height:30px;cursor:ew-resize}.spaced{margin-top:35px}.filters{display:flex;gap:12px;margin-bottom:32px;flex-wrap:wrap}.filters button{border:1px solid var(--line);padding:12px 24px;background:none;font-size:14px}.filters button[aria-pressed=true]{background:var(--accent);color:var(--bg);border-color:var(--accent)}[hidden]{display:none!important}.product-detail{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center}.product-photo img{height:680px}.product-detail h1{font-size:52px}.product-detail .button{margin-block:25px}.specs{margin-top:20px}.specs details{border-top:1px solid var(--line);padding-block:20px}.specs summary{cursor:pointer;font-size:16px}.specs p{font-size:14px;color:var(--muted);margin:18px 0 0}.reviews-grid{display:grid;gap:25px}.certs article{padding:35px;background:var(--panel)}.certs h2{font-size:27px}.document-icon{font-size:45px;color:var(--accent);margin-bottom:35px}.status{font-size:13px;border:1px solid var(--line);padding:8px 14px;display:inline-block;margin-top:15px}.article-body{max-width:950px;padding-block:55px 90px}.article-body>p{font-size:21px;line-height:1.9;margin-bottom:36px}.article-body h2{font-size:32px}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px}.contact-layout h1{font-size:clamp(40px,4.4vw,66px)}.contact-info{margin-block:36px}.contact-info p{font-size:14px;color:var(--muted)}.contact-info strong{display:block;color:var(--ink);font-weight:400;font-size:18px}form{background:var(--panel);padding:40px}form label{display:block;font-size:14px;margin-bottom:26px}form input,form select,form textarea{display:block;width:100%;background:transparent;border:0;border-bottom:1px solid #606659;color:var(--ink);padding:12px 0;margin-top:8px;border-radius:0}form textarea{resize:vertical}form select option{background:var(--bg)}form .button{width:100%;cursor:pointer}.form-error{color:#ffb8a8;font-size:14px}.skip{position:fixed;top:-100px;left:20px;padding:15px;background:var(--accent);color:var(--bg);z-index:100}.skip:focus{top:10px}[dir=rtl] .hero-shade{background:linear-gradient(270deg,#0e100ef0 0%,#12141095 44%,#12141005 100%)}[dir=rtl] h1,[dir=rtl] h2,[dir=rtl] h3{letter-spacing:0;line-height:1.45}[dir=rtl] .eyebrow{letter-spacing:0}[dir=rtl] .brand{direction:ltr}[dir=rtl] .hero h1{font-size:clamp(40px,4.5vw,68px)}html[lang=zh-CN] h1,html[lang=zh-CN] h2{line-height:1.35;letter-spacing:-.02em}
@media(min-width:1600px){.hero-content,.hero-bottom{max-width:1600px;inset-inline:0;margin-inline:auto}}@media(max-width:1200px){.desktop-nav{gap:16px}.header-contact{display:none}.hero{min-height:620px}.factory-copy{padding:35px}.process{gap:20px}.image-wrap img{height:320px}.contact-layout{gap:45px}}@media(max-width:980px){.desktop-nav{display:none}.menu-button{display:flex}.site-header{height:80px}.hero{min-height:620px;max-height:800px}.project-grid{gap:18px}.image-wrap img{height:280px}.process{grid-template-columns:repeat(3,1fr)}.factory-copy h2{font-size:33px}.factory-image img{height:500px}.review-section{gap:40px}.values{gap:24px}.product-detail{gap:35px}.product-photo img{height:570px}.product-detail h1{font-size:40px}.footer-top{gap:35px}.footer-top nav{gap:16px 22px}.contact-layout{grid-template-columns:1fr}.contact-layout>div{max-width:680px}.capability-strip{gap:14px}.capability-strip a{font-size:12px;gap:8px}.certs article{padding:24px}}@media(max-width:650px){h1{font-size:42px}h2{font-size:32px}.site-header{height:76px;padding-inline:22px;gap:15px}.brand{font-size:14px;gap:10px}.brand-mark{font-size:33px}.brand-second{font-size:10px}.header-actions{gap:14px}.language select{max-width:86px;font-size:13px}.hero{min-height:670px;height:calc(100svh - 76px);max-height:800px;align-items:center}.hero-photo{object-position:62% center}.hero-shade{background:linear-gradient(90deg,#0e100edb,#0e100e45),linear-gradient(0deg,#101510b0,transparent)}.hero-content{padding-block:55px 100px}.hero h1{font-size:43px;line-height:1.14;margin-bottom:25px}.hero-content>p:not(.eyebrow){font-size:15px;line-height:1.9;max-width:95%;color:#e0e0d8}.eyebrow{font-size:11px;margin-bottom:23px}.actions{gap:12px}.button{padding:14px 17px;gap:22px;font-size:13px;min-height:50px}.hero .actions{align-items:stretch}.hero-bottom{bottom:27px;font-size:11px}.capability-strip{grid-template-columns:repeat(2,1fr);gap:20px;padding-block:25px}.capability-strip a{font-size:14px;gap:12px}.capability-strip a:last-child{grid-column:1/-1}.section{padding-block:58px}.section-head{align-items:start;gap:20px;margin-bottom:28px}.section-head .text-link{font-size:12px;gap:12px}.section-head h2{font-size:30px}.project-grid{grid-template-columns:1fr;gap:32px}.image-wrap img{height:390px}.card-meta{margin-top:17px}.project-card h3{font-size:24px}.process{grid-template-columns:1fr;gap:18px}.process article{display:grid;grid-template-columns:35px 1fr;gap:0 16px;padding-top:22px}.process .step-number{grid-row:1/3;margin:3px 0}.process h3{min-height:0;margin-bottom:10px}.process p{grid-column:2;margin-bottom:0}.factory-panel{grid-template-columns:1fr;padding-block:0;padding-inline:22px}.factory-image img{height:380px}.factory-copy{padding:35px 26px}.factory-copy h2{font-size:32px}.factory-copy p{margin-bottom:22px}.review-section{display:block}.review-section .section-head{margin-bottom:28px}.review-section .text-link{margin-top:20px}.quote{padding:28px}.quote blockquote{font-size:19px}.quote figcaption{font-size:12px}.contact-banner{display:block;padding-block:45px}.contact-banner h2{font-size:33px}.contact-banner .button{margin-top:27px}.footer-top{display:block;padding-block:42px}.footer-top nav{margin-top:35px;grid-template-columns:repeat(2,1fr);gap:18px}.footer-bottom{display:block;padding-bottom:95px}.footer-bottom span{display:block;margin-top:12px}.whatsapp-float{inset-inline-end:18px;bottom:18px}.page-intro{padding-block:45px 35px}.page-intro h1{font-size:39px}.breadcrumb{padding-top:25px;font-size:11px}.editorial-image img,.editorial-image video{height:360px}.values{grid-template-columns:1fr;gap:22px}.values .step-number{margin-bottom:20px}.top-tight{padding-top:12px}.factory-stages article{grid-template-columns:28px 1fr;gap:10px 15px;padding-block:25px}.factory-stages h2{font-size:25px;margin-bottom:12px}.factory-stages p{grid-column:2}.factory-stages .step-number{margin:8px 0}.comparison{height:370px}.comparison-label{font-size:11px;padding:8px;bottom:14px}.comparison-label.before{left:10px}.comparison-label.after{right:10px}.product-detail{grid-template-columns:1fr;gap:35px;padding-top:35px}.product-photo img{height:420px}.product-detail h1{font-size:37px}.product-detail .button{margin-block:16px}.filters{gap:8px}.filters button{padding:10px 16px}.contact-layout{gap:35px;padding-top:40px}.contact-layout h1{font-size:40px}form{padding:26px}.article-body{padding-block:35px 55px}.article-body>p{font-size:18px}.certs h2{font-size:25px}[dir=rtl] .hero-shade{background:linear-gradient(270deg,#0e100edb,#0e100e45),linear-gradient(0deg,#101510b0,transparent)}[dir=rtl] .hero h1{font-size:39px}.header-contact{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media(min-width:651px){html{scroll-behavior:smooth}}@media(max-width:360px){.hero h1{font-size:36px}.hero .actions{flex-direction:column;align-items:start}.language>span{display:none}.header-actions{gap:8px}.brand{gap:6px}.section-head{flex-wrap:wrap}}
/* Customer appearance choice. The hero keeps the same photography in both modes. */
.theme-toggle{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;background:transparent;border:1px solid var(--line);border-radius:24px;color:var(--ink);font-size:13px;white-space:nowrap;min-height:36px}.theme-toggle:hover{background:var(--panel)}.theme-icon{font-size:17px;line-height:1}.footer-telegram{display:inline-flex;border-bottom:1px solid var(--accent);padding-bottom:6px;font-size:13px;color:var(--ink)}.footer-telegram.pending{color:var(--muted);border-color:var(--line)}.contact-info strong a{display:inline-flex;border-bottom:1px solid var(--accent);font-size:17px;padding-bottom:3px}
:root[data-theme=light]{--bg:#f5f3ec;--panel:#e9ece5;--ink:#1a241e;--muted:#526057;--line:#cfd5cb;--accent:#785f39;color-scheme:light}
:root[data-theme=light] .desktop-nav a{color:#344238}:root[data-theme=light] .desktop-nav a:hover,:root[data-theme=light] .desktop-nav a[aria-current]{color:var(--accent)}:root[data-theme=light] .hero-shade{background:linear-gradient(90deg,#eeece2eb 0%,#ece8df9a 45%,#f4efe200 100%),linear-gradient(0deg,#edead477,transparent 30%)}:root[data-theme=light] .hero-content>p:not(.eyebrow){color:#253027}:root[data-theme=light] .hero .eyebrow{color:#695332}:root[data-theme=light] .hero-bottom{color:#253027}:root[data-theme=light] .hero-bottom i{background:#344238}:root[data-theme=light] .hero .button.outline{border-color:#34423888;color:#18251d}:root[data-theme=light] .hero .button.outline:hover{background:#ffffff7c}:root[data-theme=light] .primary{background:var(--accent);color:#fff}:root[data-theme=light] .primary:hover{background:#8c7047}:root[data-theme=light] .process-section{background:#eef0e9}:root[data-theme=light] .contact-banner{background:linear-gradient(110deg,#e8eadf,#f3f2ea)}:root[data-theme=light] .avatar{background:#d8dfd2;color:#4f643f}:root[data-theme=light] .footer-bottom{color:#526057}:root[data-theme=light] .form-error{color:#9c3a32}:root[data-theme=light] .round-arrow,:root[data-theme=light] .play{color:white}:root[data-theme=light] .comparison-label{color:#fff}:root[data-theme=light] .comparison-line:after{background:#fff;color:#18251d}:root[data-theme=light] .contact-info strong a{color:var(--ink)}
@media(max-width:1200px){.theme-toggle .theme-label{display:none}.theme-toggle{width:38px;height:38px;justify-content:center;padding:0}}
@media(max-width:650px){.header-actions{gap:10px}.theme-toggle{width:34px;height:34px;min-height:34px}.theme-icon{font-size:16px}.footer-telegram{margin-top:16px}:root[data-theme=light] .hero-shade{background:linear-gradient(90deg,#eeece2d9,#eeece25f),linear-gradient(0deg,#edead49c,transparent 45%)}[dir=rtl][data-theme=light] .hero-shade{background:linear-gradient(270deg,#eeece2d9,#eeece25f),linear-gradient(0deg,#edead49c,transparent 45%)}}
@media(max-width:360px){.header-actions{gap:6px}.theme-toggle{width:32px;height:32px}.language select{max-width:74px}}
[dir=rtl][data-theme=light] .hero-shade{background:linear-gradient(270deg,#eeece2eb 0%,#ece8df9a 45%,#f4efe200 100%),linear-gradient(0deg,#edead477,transparent 30%)}
@media(max-width:360px){.site-header{padding-inline:15px;gap:6px}.brand{font-size:12px;gap:4px}.brand-mark{font-size:29px}.brand-second{font-size:9px}.header-actions{gap:4px}.language select{max-width:68px}.theme-toggle{width:32px;height:32px}.menu-button{width:30px}}
@media(max-width:650px){[dir=rtl][data-theme=light] .hero-shade{background:linear-gradient(270deg,#eeece2d9,#eeece25f),linear-gradient(0deg,#edead49c,transparent 45%)}}