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@media(min-width:1600px){.hero-grid{min-height:675px}.hero-product>img{height:480px}.hero-copy h1{font-size:60px}}
@media(max-width:1200px){.wrap{width:calc(100% - 64px)}.navigation{gap:19px}.header-phone{display:none}.header-inner{gap:30px}.mega{padding:30px 32px}.hero-grid{grid-template-columns:1fr 1.1fr;min-height:565px}.hero-copy h1{font-size:40px}.hero-product>img{height:380px}.category-grid{gap:12px}.category-card{padding:20px 14px}.category-card h3{font-size:16px}.category-card>img{height:130px}.technology-row{gap:50px}.featured-grid{gap:18px}.card-copy h3{font-size:17px}.product-picture>img{padding:23px}.catalog-layout{grid-template-columns:155px minmax(0,1fr);gap:30px}.catalog-main .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-hero{gap:40px}.product-hero-copy h1{font-size:29px}.product-actions .button{gap:18px}.contact-band h2{font-size:25px}.contact-inner strong{font-size:26px}.contact-inner>a{padding-left:25px}.footer-top nav{gap:15px}.about-section{gap:50px}.about-section h2{font-size:27px}}
@media(max-width:950px){.header-inner{min-height:86px}.navigation{gap:15px}.navigation>a,.nav-products>.mega-toggle{font-size:13px}.brand img{width:160px}.brand>span{font-size:12px}.hero-grid{min-height:520px;grid-template-columns:1fr 1fr;gap:10px;padding-top:40px;padding-bottom:40px}.hero-copy h1{font-size:34px}.hero-copy>p:not(.eyebrow){font-size:14px}.hero-product>img{height:320px}.hero-word{font-size:62px;top:15%}.hero-product-label{flex-direction:column;align-items:flex-start;gap:4px}.hero-features{gap:9px 13px}.hero-features span{padding-right:13px;font-size:12px}.section{padding:65px 0}.section-heading{align-items:flex-start}.section-heading h2{font-size:28px}.section-heading>p{font-size:13px}.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-card>img{height:140px}.category-card p{min-height:0}.category-sub{min-height:0}.featured-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}.technology-row{gap:35px}.technology-copy h3{font-size:27px}.technology-image{height:300px;padding:22px}.technology-copy>p:not(.eyebrow){font-size:15px}.scene-grid{gap:16px}.scene-card>div{padding:22px}.scene-card h3{font-size:20px}.scene-card p{min-height:110px}.contact-inner{display:block}.contact-inner>a{display:inline-block;border-left:0;padding:27px 0 0}.footer-top{flex-wrap:wrap}.footer-top nav{order:3;width:100%}.about-section{gap:35px}.about-section h2{font-size:25px}.about-photo{padding:22px}.about-photo>img{height:240px}.about-section p:not(.eyebrow){font-size:15px}.catalog-intro h1{font-size:32px}.category-nav>.wrap{gap:28px;justify-content:flex-start}.category-nav a{font-size:13px}.catalog-layout{grid-template-columns:140px minmax(0,1fr);gap:25px}.catalog-sidebar{top:108px}.search-box{gap:12px}.search-box input{width:100%}.search-box>span{margin-left:0}.category-hero>.wrap{gap:35px;min-height:315px}.category-hero h1{font-size:30px}.category-hero h2{font-size:21px}.category-hero p:not(.eyebrow){font-size:14px}.category-hero img{height:250px}.product-hero{gap:30px;grid-template-columns:1fr 1fr;padding-bottom:45px}.product-hero-image{min-height:355px;padding:25px 22px 50px}.product-hero-image img{height:270px}.product-hero-copy h1{font-size:26px}.product-hero-copy h2{font-size:19px}.product-hero-copy>p:not(.eyebrow){font-size:14px}.product-hero-copy .hero-features{margin:20px 0}.detail-nav{top:86px}.detail-nav>.wrap{gap:28px}.feature-grid{gap:25px}.feature-grid h3{font-size:22px}.feature-grid p{font-size:15px}.specification-layout{gap:35px;grid-template-columns:1fr 1fr}.product-application-grid{gap:35px}.product-application h2{font-size:25px}.product-application-grid>img{height:310px}.zoom-image img{height:280px}}
@media(max-width:760px){html{scroll-padding-top:140px}.wrap{width:calc(100% - 40px)}.header-inner{min-height:80px}.menu-toggle{display:flex;gap:14px;align-items:center;background:#fff;border:0;padding:10px 0 10px 20px;font-size:14px}.menu-toggle>span{font-size:20px}.navigation{display:none;position:absolute;top:100%;left:0;right:0;max-height:80svh;overflow:auto;background:#fff;border-top:1px solid var(--line);padding:12px 20px 22px;box-shadow:0 14px 20px #162c3920;align-self:auto}.navigation.is-open{display:block}.navigation>a,.nav-products>.mega-toggle{font-size:15px;min-height:46px;padding:9px 0}.navigation>a{border-bottom:1px solid var(--line)}.navigation a.active:after{display:none}.nav-products{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--line)}.nav-products>.mega-toggle{flex:1}.nav-products>.mega-toggle{width:100%;justify-content:space-between;padding-right:5px}.mega{position:static;grid-template-columns:repeat(2,1fr);padding:15px 0 20px;box-shadow:none;width:100%;gap:20px;border:0;max-height:none}.mega>div{padding-right:10px}.mega .mega-title{font-size:14px}.mega a{font-size:13px}.hero-grid{display:flex;flex-direction:column;align-items:stretch;gap:0;min-height:0;padding-top:42px;padding-bottom:18px}.hero-copy h1{font-size:clamp(32px,7vw,46px);line-height:1.5;margin:10px 0 18px}.hero-copy>p:not(.eyebrow){font-size:15px}.hero-copy .eyebrow{font-size:12px;letter-spacing:.1em}.hero-copy .hero-features{margin:22px 0}.hero-copy .button{min-height:49px}.hero-product{margin-top:22px}.hero-product>img{height:290px;padding:12px 30px}.hero-word{top:12%;font-size:clamp(50px,12vw,85px);left:12%}.hero-product-label{flex-direction:row;font-size:12px;align-items:center;padding-top:12px;gap:15px}.hero-product-label>span{max-width:70%}.hero-bottom{font-size:12px;padding:15px 0;gap:18px;align-items:center}.hero-bottom>span{max-width:55%}.hero-bottom a{text-align:right}.section{padding:52px 0}.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:26px;line-height:1.55}.section-heading>p{font-size:14px;margin:17px 0 0}.eyebrow{margin-bottom:12px;letter-spacing:.1em}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.category-card{padding:22px 16px}.category-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center}.category-card:last-child>img{height:170px;margin:0}.category-card>img{height:128px;margin-bottom:16px}.category-card h3{font-size:16px}.category-card p{font-size:12px;line-height:1.6;min-height:38px}.category-sub{font-size:12px;line-height:1.75;min-height:43px}.category-number{left:15px;top:12px}.section-bottom{display:block;font-size:13px;margin-top:20px}.section-bottom .text-link{margin-top:10px}.featured{padding:50px 0}.product-grid,.featured-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 15px}.product-picture{aspect-ratio:1.05}.product-picture>img{padding:17px}.card-copy{padding-top:15px}.card-copy h3{font-size:16px;min-height:48px;line-height:1.5;margin-bottom:9px}.card-copy>p:not(.series){font-size:14px;line-height:1.8;min-height:51px;margin-bottom:12px}.series{font-size:12px;margin-bottom:7px}.card-tags{gap:6px;font-size:12px;min-height:52px;align-content:flex-start;margin-bottom:12px}.card-tags>span{padding:2px 5px}.card-link{font-size:14px}.technology-row{grid-template-columns:1fr;gap:26px;padding:5px 0 35px}.technology-row+.technology-row{padding-top:35px}.technology-row.reverse .technology-image{order:0}.technology-image{height:270px;padding:22px}.technology-copy h3{font-size:27px;line-height:1.6;margin-bottom:17px}.technology-copy>p:not(.eyebrow){font-size:16px;max-width:none}.text-link{font-size:14px}.application-section{padding:50px 0 38px}.scene-grid{grid-template-columns:1fr;gap:25px}.scene-card>img{aspect-ratio:1.75}.scene-card>div{padding:23px}.scene-card h3{font-size:22px}.scene-card p{min-height:0;font-size:15px;margin-bottom:22px}.scene-card a{font-size:14px}.about-section{display:block}.about-photo{margin-bottom:32px;padding:25px}.about-photo>img{height:245px}.about-section h2{font-size:25px}.about-section p:not(.eyebrow){font-size:16px}.contact-band{padding:38px 0}.contact-band h2{font-size:25px;line-height:1.55}.contact-inner strong{font-size:29px}.contact-inner strong>span{padding-left:6px}.footer{padding:35px 0 20px}.footer-top{gap:25px;padding-bottom:28px}.footer-top nav{font-size:13px;gap:12px 22px}.footer-bottom{display:block;font-size:12px}.footer-bottom>span{display:block;margin-bottom:4px}.breadcrumbs{font-size:12px;gap:4px 9px;padding:15px 0;line-height:1.7}.catalog-intro{padding:25px 0 35px}.catalog-intro h1{font-size:29px;line-height:1.55}.catalog-intro>p:not(.eyebrow){font-size:15px}.catalog-stats{gap:28px;font-size:13px}.catalog-stats b{font-size:25px}.category-nav a{padding:15px 0;font-size:14px}.category-nav>.wrap{gap:25px}.catalog-layout{display:block;padding-top:25px;padding-bottom:45px}.catalog-sidebar{position:static;padding:0 0 21px;display:flex;gap:10px 19px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-bottom:24px}.catalog-sidebar>p{display:none}.catalog-sidebar>a{font-size:13px;padding:3px 0;border:0;gap:9px}.catalog-sidebar>a>span{font-size:12px}.search-box{gap:12px;align-items:center}.search-box>label{font-size:13px}.search-box input{width:100%;max-width:100%;font-size:14px;min-width:0;padding:11px}.search-box>span{font-size:12px}.catalog-heading{display:block;margin-bottom:23px}.catalog-heading h2{font-size:24px;margin-bottom:12px}.catalog-heading p:not(.eyebrow){font-size:14px;margin-bottom:14px}.catalog-heading>a{font-size:14px;display:inline-block}.catalog-section{padding-top:30px}.catalog-main .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 15px}.catalog-main .product-picture>img{padding:16px}.catalog-main .card-copy h3{font-size:16px}.category-hero>.wrap{display:flex;flex-direction:column;gap:25px;align-items:stretch;padding:28px 0}.category-hero h1{font-size:31px}.category-hero h2{font-size:21px;line-height:1.55}.category-hero p:not(.eyebrow){font-size:15px}.category-hero img{height:210px}.product-hero{display:flex;flex-direction:column;gap:30px;align-items:stretch;padding:10px 0 35px}.product-hero-image{min-height:315px;padding:22px 22px 50px}.product-hero-image img{height:270px}.product-hero-image>span{font-size:12px;left:20px;right:20px}.product-hero-copy h1{font-size:28px;margin-bottom:17px}.product-hero-copy h2{font-size:21px}.product-hero-copy>p:not(.eyebrow){font-size:16px}.product-hero-copy .hero-features{margin:22px 0}.product-actions .button{min-height:50px;gap:23px;padding:11px 18px}.detail-nav{top:80px}.detail-nav>.wrap{gap:25px}.detail-nav span{display:none}.detail-nav a{font-size:13px;padding:14px 0}.feature-grid{display:block}.feature-grid>article{padding:21px 0 25px;position:relative}.feature-grid>article>span{margin-bottom:14px;font-size:13px}.feature-grid h3{font-size:23px;margin-bottom:13px}.feature-grid p{font-size:16px}.feature-grid>article:last-child{padding-bottom:0}.construction-section{padding:50px 0}.construction-gallery{grid-template-columns:1fr;gap:25px}.zoom-image img{height:auto;max-height:500px;object-fit:contain;padding:14px}.construction-gallery.single .zoom-image img{padding:13px;max-height:500px}.zoom-image>span{font-size:12px;bottom:8px;right:8px}.construction-gallery figcaption{font-size:12px}.specification-layout{display:block}.spec-table{font-size:14px}.spec-table caption{font-size:18px}.spec-table th,.spec-table td{padding:14px 11px}.spec-table th{width:42%}.source-note{font-size:12px}.specification-layout>div+div{margin-top:25px}.specification-layout .zoom-image img{max-height:650px}.product-application{padding:45px 0}.product-application-grid{display:flex;flex-direction:column;align-items:stretch;gap:28px}.product-application-grid>img{height:240px}.product-application h2{font-size:25px}.product-application p:not(.eyebrow){font-size:16px}.product-application h3{font-size:18px}.product-application .source-note{font-size:12px}.product-faq h2{font-size:25px}.product-faq summary{font-size:15px;padding:18px 0}.product-faq details>p{font-size:15px}.related-section{padding:50px 0}.image-dialog{padding:60px 12px 15px}.dialog-close{font-size:14px}}
@media(max-width:370px){.wrap{width:calc(100% - 30px)}.hero-copy h1{font-size:30px}.hero-copy h1 span{white-space:normal}.hero-product>img{height:240px;padding:10px}.hero-product-label{display:block}.hero-product-label>span{max-width:none;display:block}.hero-product-label b{display:block;margin-top:4px}.category-grid,.product-grid,.featured-grid,.catalog-main .product-grid{grid-template-columns:1fr}.category-card:last-child{grid-column:auto}.category-card{display:grid;grid-template-columns:1fr 1.2fr;gap:15px;align-items:center}.category-card>img,.category-card:last-child>img{height:125px;margin:0}.category-card p,.category-sub{min-height:0}.card-copy h3,.card-copy>p:not(.series),.card-tags{min-height:0}.contact-inner strong{font-size:25px}.product-hero-copy h1{font-size:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{.header,.contact-band,.footer,.image-dialog,.detail-nav,.category-nav,.catalog-sidebar,.search-box{display:none}.wrap{width:100%}.section{padding:20px 0}.product-card{break-inside:avoid}.product-card[hidden]{display:block!important}.product-hero,.specification-layout{gap:20px}.product-application{background:#fff;color:#222}.product-application p{color:#222!important}}
.product-showcase{position:relative;margin-top:14px;margin-bottom:32px;overflow:hidden;background:#e9eff2}.showcase-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;cursor:grab;touch-action:pan-x pan-y;position:relative}.showcase-track::-webkit-scrollbar{display:none}.showcase-track.dragging{scroll-snap-type:none;cursor:grabbing}.showcase-slide{position:relative;flex:0 0 100%;height:clamp(390px,43vw,640px);display:grid;place-items:center;scroll-snap-align:start;overflow:hidden;background:radial-gradient(ellipse at 60% 30%,#ffffff 0%,#edf3f6 40%,#d4e0e7 100%);isolation:isolate}.showcase-slide:before{content:"";position:absolute;inset:-50% -30%;border:1px solid #fff9;transform:rotate(-24deg);background:linear-gradient(135deg,transparent 49.8%,#ffffff45 50%);z-index:-1}.showcase-slide:after{content:"";position:absolute;width:54%;height:9%;border-radius:50%;background:#2c485124;filter:blur(20px);bottom:15%;z-index:-1}.showcase-slide img{width:80%;height:82%;object-fit:contain;filter:drop-shadow(0 28px 19px #263f4a20);user-select:none;pointer-events:none}.showcase-slide.tone-1{background:radial-gradient(ellipse at 42% 30%,#fff,#e8eceb 60%,#d5dfdd)}.showcase-slide.tone-2{background:radial-gradient(ellipse at 55% 32%,#fff,#eeebe6 60%,#ddd7ce)}.showcase-slide.tone-3{background:radial-gradient(ellipse at 52% 32%,#fff,#e8edf1 60%,#d0dce6)}.showcase-controls{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;align-items:center;padding:2px 9px;background:#ffffffb3;border-radius:30px;backdrop-filter:blur(10px)}.showcase-dot{width:35px;height:36px;background:none;border:0;padding:12px 7px}.showcase-dot:after{content:"";display:block;height:3px;background:#a8b5bc;border-radius:2px}.showcase-dot[aria-pressed=true]:after{background:var(--accent)}.showcase-pause{width:36px;height:36px;border:0;background:none;display:grid;place-items:center}.showcase-pause span{width:8px;height:10px;border-left:2px solid var(--ink);border-right:2px solid var(--ink)}.showcase-pause[aria-pressed=true] span{width:0;height:0;border:5px solid transparent;border-left:8px solid var(--ink);border-right:0}.product-overview{padding-top:65px;padding-bottom:20px}.product-overview .product-hero-copy{max-width:880px}.product-overview h1{font-size:36px}.product-overview h2{font-size:23px}.product-overview .hero-features{display:none}@media(max-width:650px){.product-showcase{width:100%;margin-top:0;margin-bottom:15px}.showcase-slide{height:380px}.showcase-slide img{width:94%;height:78%}.showcase-controls{bottom:13px}.product-overview{padding-top:35px}.product-overview h1{font-size:28px}.product-overview h2{font-size:21px}}
.legacy-details{padding-bottom:80px}.legacy-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 60px}.legacy-detail-grid article{padding:30px 0;border-top:1px solid var(--line)}.legacy-detail-grid h3{font-size:23px;font-weight:500;margin-bottom:18px}.legacy-detail-grid p{color:var(--muted);font-size:16px;line-height:2}.legacy-details>.source-note a{text-decoration:underline;text-underline-offset:4px}@media(max-width:650px){.legacy-details{padding-bottom:45px}.legacy-detail-grid{display:block}.legacy-detail-grid article{padding:23px 0}.legacy-detail-grid h3{font-size:21px}}

/* Homepage product gallery and brand presentation */
.home-hero.product-showcase{margin:0;width:100%;padding:0;border-radius:0}
.home-hero .showcase-slide{height:clamp(450px,52vw,760px)}
.home-hero .showcase-slide img{width:86%;height:83%;max-width:1050px;filter:drop-shadow(0 24px 24px #12354b24)}
.home-introduction{padding-top:64px;padding-bottom:0;max-width:1200px}
.home-introduction h1{font-size:clamp(25px,3vw,40px);margin:14px 0}
.home-introduction>p:last-child{max-width:780px;color:var(--muted);line-height:1.9}
.product-hero-image{background:linear-gradient(135deg,#edf2f5,#dce6ed);display:flex;align-items:center;justify-content:center;min-width:0}
.product-hero-image img{width:100%;max-height:560px;object-fit:contain;padding:26px}
.brand-intro>p{max-width:850px;line-height:1.9}.brand-intro>img{width:100%;max-height:520px;object-fit:cover;margin-top:40px}
.brand-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:45px 0}.brand-stats div{border-left:2px solid #ec841b;padding-left:22px}.brand-stats strong{display:block;font-size:clamp(32px,5vw,62px);font-weight:500;color:#ae5000}.brand-stats span{display:block;color:#586f7b;margin-top:10px}
.credentials-section,.service-section{padding:80px 0;background:#f1f5f6}.credentials-section figure{max-width:850px;margin:35px auto 0}.credentials-section .zoom-image img{width:100%;height:auto;max-height:none;object-fit:contain}.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0}.partner-grid span{padding:30px 16px;background:#f1f5f6;text-align:center;font-weight:600;font-size:20px}.service-section .button{margin-top:30px}
@media(max-width:700px){.home-hero .showcase-slide{height:470px}.home-hero .showcase-slide img{width:94%;height:78%}.home-introduction{padding-top:40px}.brand-stats{gap:10px}.brand-stats div{padding-left:10px}.brand-stats span{font-size:12px}.partner-grid{grid-template-columns:repeat(2,1fr)}.partner-grid span{font-size:16px}.credentials-section,.service-section{padding:48px 0}}
.showcase-slide{display:flex;align-items:center;justify-content:center}.showcase-slide img{min-height:0;min-width:0;flex:none}

/* Direct telephone and WeChat contact */
.contact-inner{gap:36px}.contact-inner>div:first-child{flex:1;min-width:0}.contact-methods{display:flex;align-items:center;gap:28px;flex-shrink:0}.contact-phone{padding-left:26px;border-left:1px solid #17364740}.contact-phone strong{display:flex;align-items:center;gap:14px;white-space:nowrap;font-size:28px}.phone-icon{flex:none;width:25px;height:25px}.contact-wechat{margin:0;width:170px;text-align:center;flex:none}.contact-wechat a{display:block;background:white;padding:7px;border-radius:3px}.contact-wechat img{display:block;width:100%;height:auto}.contact-wechat figcaption{font-size:13px;margin-top:8px}
@media(max-width:1100px){.contact-inner{flex-wrap:wrap}.contact-methods{flex-shrink:1}.contact-inner h2{font-size:27px}.contact-phone{padding-left:0;border-left:0}}
@media(max-width:700px){.contact-inner{display:block}.contact-methods{margin-top:26px;justify-content:space-between;gap:16px;flex-wrap:wrap}.contact-phone strong{font-size:25px;gap:10px}.contact-wechat{width:165px}.phone-icon{width:22px;height:22px}}

.contact-wechat img{aspect-ratio:1 / 1;height:auto;object-fit:cover;object-position:center}
/* Product campaigns: editorial type, real products, restrained color */
.home-hero .campaign{background:#eef1f2;position:relative;height:clamp(580px,46vw,720px);text-decoration:none;color:#192d37;display:block}
.home-hero .campaign:before,.home-hero .campaign:after{display:none}
.campaign-inner{height:100%;max-width:1440px;margin:auto;padding:50px 6% 80px;display:grid;grid-template-columns:46% 54%;align-items:center;gap:0}
.campaign-copy{position:relative;z-index:2;max-width:530px}.campaign-kicker{font-size:11px;letter-spacing:2.2px;font-weight:650;color:#61737c;margin:0 0 22px}.campaign-label{display:inline-block;padding:5px 11px;border-radius:3px;background:#dce5e8;color:#435b68;font-size:12px;letter-spacing:1px}
.campaign-copy h2{font-size:clamp(34px,3.7vw,57px);font-weight:650;letter-spacing:-1.6px;line-height:1.28;margin:21px 0 21px}.campaign-copy h2 em{font-style:normal;color:#a65216}.campaign-description{font-size:16px;line-height:1.9;max-width:370px;color:#546773;margin:0 0 22px}.campaign-tags{display:flex;flex-wrap:wrap;font-size:12px;color:#4f626d;gap:0;margin-bottom:30px}.campaign-tags span+span{border-left:1px solid #aebbc1;margin-left:12px;padding-left:12px}.campaign-cta{display:inline-flex;padding:12px 26px;border-radius:4px;background:#193746;color:white;font-size:14px;font-weight:550;transition:background .2s}.campaign:hover .campaign-cta{background:#a65216}
.campaign-art{position:relative;min-width:0;height:100%;display:flex;align-items:center;justify-content:center;isolation:isolate}.home-hero .campaign-art .campaign-product{position:relative;width:112%;max-width:none;height:94%;object-fit:contain;filter:drop-shadow(0 30px 23px #23333c28);z-index:1}.campaign-orbit{position:absolute;inset:8% -12% 4% 0;border:1px solid #ffffffb3;border-radius:50%;background:radial-gradient(ellipse,#ffffffb0,transparent 68%);transform:rotate(-20deg);z-index:0}.campaign-model{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:11px;letter-spacing:1.5px;color:#63747c}.campaign-index{position:absolute;bottom:32px;right:5.5%;font-size:12px;letter-spacing:3px;color:#788891}
.home-hero .campaign-1{background:#e6e3df}.campaign-1 .campaign-label{background:#d6d0c8}.campaign-1 .campaign-product{max-height:440px}.home-hero .campaign-2{background:#eef0eb}.campaign-2 .campaign-label{background:#dce3d7}.campaign-2 .campaign-copy h2 em{color:#5b725b}.home-hero .campaign-2 .campaign-product{width:81%;height:80%;transform:rotate(-8deg)}
.home-hero .campaign-3{background:#eee7df}.campaign-3 .campaign-label{background:#e2d5c6}.home-hero .campaign-3 .campaign-product{width:112%;height:80%;transform:rotate(-8deg)}.home-hero .campaign-4{background:#e7ecee}.home-hero .campaign-4 .campaign-product{width:74%;height:88%}.campaign-4 .campaign-copy h2 em{color:#526d7d}
.home-hero .showcase-controls{bottom:25px;background:#ffffffc9}.campaign:focus-visible{outline:3px solid #b66115;outline-offset:-4px}
@media(max-width:900px){.campaign-inner{padding-left:5%;padding-right:5%;grid-template-columns:48% 52%}.campaign-copy h2{font-size:36px;letter-spacing:-1px}.campaign-description{font-size:14px}.campaign-tags{font-size:11px}.campaign-tags span+span{margin-left:7px;padding-left:7px}}
@media(max-width:650px){.home-hero .campaign{height:730px}.campaign-inner{padding:28px 24px 68px;grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);gap:12px;align-items:start}.campaign-copy{max-width:none}.campaign-kicker{font-size:9px;margin-bottom:13px;letter-spacing:1.6px}.campaign-label{font-size:10px;padding:4px 8px}.campaign-copy h2{font-size:36px;margin:14px 0 12px;line-height:1.22;letter-spacing:-1px}.campaign-description{font-size:13px;line-height:1.8;margin-bottom:14px;max-width:310px}.campaign-tags{margin-bottom:18px}.campaign-cta{font-size:12px;padding:10px 20px}.campaign-art{height:100%;min-height:0}.home-hero .campaign-art .campaign-product{width:100%;height:90%;max-height:285px}.home-hero .campaign-2 .campaign-product{width:72%;height:88%}.home-hero .campaign-3 .campaign-product{width:100%;height:90%}.home-hero .campaign-4 .campaign-product{width:65%;height:90%}.campaign-orbit{inset:0 4% 2%}.campaign-model{bottom:-6px;font-size:10px}.campaign-index{bottom:31px;right:18px;font-size:9px;letter-spacing:1px}.home-hero .showcase-controls{bottom:20px}.showcase-dot{width:29px}.showcase-pause{width:30px}}
.campaign-inner{grid-template-rows:minmax(0,1fr)}.campaign-art{min-height:0}.home-hero .campaign-4 .campaign-product{width:auto;max-width:74%;height:88%;clip-path:polygon(12% 2%,90% 2%,94% 8%,94% 95%,88% 97%,88% 100%,78% 100%,78% 98%,14% 98%,14% 100%,8% 100%,8% 95%,9% 8%)}@media(max-width:650px){.campaign-inner{grid-template-rows:auto minmax(0,1fr)}.home-hero .campaign-4 .campaign-product{width:auto;max-width:65%;height:90%}}
.campaign-inner{width:100%;box-sizing:border-box}

/* Wide gradient airflow: static volume underneath moving streamlines. */
.airflow{position:absolute;inset:0;width:100%;height:100%;overflow:visible;z-index:2;pointer-events:none;opacity:0;transition:opacity .7s;clip-path:inset(-8% -10% -7% -5%)}
.motion-active .airflow{opacity:1}.wind-bed{fill:none;stroke-width:24;stroke-linecap:round;opacity:.14}.wind-line{fill:none;stroke-width:6;stroke-linecap:round;stroke-dasharray:46 54;animation:air-stream 3.3s linear infinite;animation-delay:var(--delay);opacity:.82}.wind-lane:nth-of-type(2n) .wind-line{stroke-width:3.5;stroke-dasharray:62 38;animation-duration:4.3s}.airflow-3 .wind-bed{stroke-width:38;opacity:.16}.airflow-3 .wind-line{stroke-width:5;animation-duration:2.7s;stroke-dasharray:56 44}.airflow-4 .wind-line{animation-duration:4.5s}
.campaign-orbit{animation:air-glow 7s ease-in-out infinite}.campaign:not(.motion-active) .wind-line,.campaign:not(.motion-active) .campaign-orbit{animation-play-state:paused}
.motion-active .campaign-copy{animation:copy-arrive .85s ease-out both}.motion-active .campaign-art .campaign-product{animation:product-arrive 1.1s cubic-bezier(.2,.7,.2,1) both}
@keyframes air-stream{from{stroke-dashoffset:100}to{stroke-dashoffset:0}}
@keyframes air-glow{0%,100%{opacity:.45;scale:.96}50%{opacity:1;scale:1.035}}
@keyframes copy-arrive{from{opacity:0;translate:0 15px}to{opacity:1;translate:0 0}}
@keyframes product-arrive{from{opacity:.2;translate:22px 8px}to{opacity:1;translate:0 0}}
@media(max-width:650px){.wind-line{stroke-width:7}.wind-bed{stroke-width:20}.airflow-3 .wind-lane:nth-of-type(2n){display:none}.airflow{clip-path:inset(-5% -5% -7% -5%)}}
@media(prefers-reduced-motion:reduce){.campaign .airflow{display:none}.campaign .campaign-orbit,.campaign .campaign-copy,.campaign .campaign-art .campaign-product{animation:none!important;transition:none!important}}

/* Bilingual navigation: always reachable, including when the mobile menu is closed. */
.language-switch{flex:none;display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;font-size:13px;font-weight:600;border:1px solid var(--line);border-radius:4px;background:#fff;line-height:1.2}
.language-switch:hover{border-color:var(--accent);color:var(--accent)}
.header-inner{gap:20px}
html[lang=en] body{font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.7}
html[lang=en] .brand>span{max-width:205px;line-height:1.4;font-size:10px;letter-spacing:0}
html[lang=en] .navigation{gap:20px}
html[lang=en] .campaign-copy h2{font-size:clamp(32px,3.2vw,49px);letter-spacing:-1.2px}
html[lang=en] .campaign-description{line-height:1.65;max-width:405px}
html[lang=en] .campaign-tags{gap:6px 0}
html[lang=en] .section-heading>p{flex-shrink:1;max-width:380px}
html[lang=en] .category-grid h3{font-size:20px}
html[lang=en] .product-hero-copy h1{font-size:clamp(28px,3vw,40px)}
html[lang=en] .detail-nav .wrap{gap:22px}
html[lang=en] .detail-nav a{white-space:nowrap}
@media(max-width:1400px){.header-phone{display:none}}
@media(max-width:1050px){
 .header-inner{min-height:86px;gap:16px}.brand{margin-right:auto}
 .menu-toggle{display:flex;gap:10px;align-items:center;background:#fff;border:0;padding:10px 0;font-size:14px;order:3}.menu-toggle>span{font-size:20px}
 .language-switch{order:2}
 .navigation,html[lang=en] .navigation{display:none;position:absolute;top:100%;left:0;right:0;max-height:80svh;overflow:auto;background:#fff;border-top:1px solid var(--line);padding:12px 20px 22px;box-shadow:0 14px 20px #162c3920;align-self:auto}
 .navigation.is-open,html[lang=en] .navigation.is-open{display:block}
 .navigation>a,.nav-products>.mega-toggle{font-size:15px;min-height:46px;padding:9px 0}
 .navigation>a{border-bottom:1px solid var(--line)}.navigation a.active:after,.mega-toggle.active:after{display:none}
 .nav-products{display:block}.mega{position:static;padding:15px 0;box-shadow:none;border:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-height:none}
}
@media(max-width:650px){
 .header-inner{gap:12px}.brand img{width:155px}.brand>span{font-size:10px}.language-switch{min-width:40px;min-height:40px}
 html[lang=en] .brand>span{max-width:175px;font-size:9px}
 html[lang=en] .home-hero .campaign{height:780px}
 html[lang=en] .campaign-copy h2{font-size:32px;letter-spacing:-.8px}
 html[lang=en] .campaign-description{font-size:13px;line-height:1.6}
 html[lang=en] .campaign-model{letter-spacing:.2px;font-size:10px}
 html[lang=en] .home-introduction h1{font-size:27px}
 html[lang=en] .detail-nav .wrap{overflow-x:auto;justify-content:flex-start}
 html[lang=en] .detail-nav .wrap>span{display:none}
 html[lang=en] .brand-stats span{font-size:11px}
}
@media(max-width:370px){.header-inner{gap:8px}.brand img{width:135px}.menu-toggle{font-size:12px;gap:5px}html[lang=en] .brand>span{max-width:147px}}

/* Forest campaign setting; product and crawlable copy remain separate layers. */
.home-hero .campaign{background:#143327 url('/assets/forest-morning.webp') center center / cover no-repeat;color:#fff;isolation:isolate}
.home-hero .campaign:before{content:"";display:block;position:absolute;inset:0;width:auto;height:auto;border:0;border-radius:0;background:linear-gradient(90deg,rgba(5,27,19,.88) 0%,rgba(8,31,22,.70) 35%,rgba(11,35,25,.15) 72%,rgba(8,28,20,.12)),linear-gradient(0deg,rgba(5,24,17,.55),transparent 42%);z-index:-1}
.home-hero .campaign-1{background-position:48% center}.home-hero .campaign-2{background-position:55% center}.home-hero .campaign-3{background-position:60% center}.home-hero .campaign-4{background-position:65% center}
.campaign-copy h2{color:#fff;text-shadow:0 2px 20px #071f1850}
.campaign-copy h2 em,.campaign-2 .campaign-copy h2 em,.campaign-4 .campaign-copy h2 em{color:#d4edac}
.campaign-kicker,.campaign-description,.campaign-tags{color:#edf4e9}
.campaign-label,.campaign-1 .campaign-label,.campaign-2 .campaign-label,.campaign-3 .campaign-label{color:#f4faed;background:#ffffff16;border:1px solid #d7edc846;backdrop-filter:blur(7px)}
.campaign-tags span+span{border-left-color:#dbeac570}
.campaign-cta{background:#e3f0d1;color:#163b28}.campaign:hover .campaign-cta{background:#fff;color:#163b28}
.campaign-orbit{border:0;background:radial-gradient(ellipse,#d8e6c924,transparent 68%);transform:none;inset:0 -8%}
.home-hero .campaign-art .campaign-product{filter:drop-shadow(0 24px 24px #021a1370)}
.campaign-model{color:#f2f8ed;background:#0b271eaa;border:1px solid #ffffff24;border-radius:3px;padding:5px 10px;left:8%;right:8%;letter-spacing:.7px}
.campaign-index{color:#f0f6e9}
.home-hero .showcase-controls{background:#f5faedec}
@media(max-width:650px){
 .home-hero .campaign{background-position:62% center}
 .home-hero .campaign:before{background:linear-gradient(180deg,#062419e8 0%,#092d20b8 43%,#092b2035 65%,#071e17bd 100%)}
 .campaign-model{bottom:-4px;left:3%;right:3%;padding:4px 6px}
}
.home-hero .campaign:before{transform:none;opacity:1}

/* The homepage opens as one continuous forest scene, including its navigation. */
body:has(.home-hero.product-showcase){--hero-header-height:97px}
body:has(.home-hero.product-showcase)>.header{position:absolute;top:0;left:0;right:0;background:transparent;border-bottom-color:#ffffff30;color:#fff}
body:has(.home-hero.product-showcase)>.header .brand img{filter:brightness(0) invert(1)}
body:has(.home-hero.product-showcase)>.header .brand>span,
body:has(.home-hero.product-showcase)>.header .header-phone small{color:#eef4ed}
body:has(.home-hero.product-showcase)>.header .language-switch,
body:has(.home-hero.product-showcase)>.header .menu-toggle{background:transparent;color:#fff;border-color:#ffffff60}
body:has(.home-hero.product-showcase)>.header .navigation>a:hover,
body:has(.home-hero.product-showcase)>.header .navigation>a.active,
body:has(.home-hero.product-showcase)>.header .mega-toggle{color:#fff}
body:has(.home-hero.product-showcase)>.header .navigation>a.active:after{background:#d4edac}
body:has(.home-hero.product-showcase)>.header .mega{color:var(--ink)}
.home-hero.product-showcase{background:#143327 url('/assets/forest-morning.webp') center / cover no-repeat}
.home-hero .campaign,html[lang=en] .home-hero .campaign{height:max(740px,100svh);padding-top:var(--hero-header-height);background:transparent}
.home-hero .campaign:before{background:linear-gradient(90deg,#051b13d9 0%,#081f16ad 35%,#0b231926 72%),linear-gradient(180deg,#061e17ad,transparent 25%,transparent 75%,#05181188)}
body:has(.home-hero.product-showcase)>.header.is-scrolled{position:fixed;background:#fff;color:var(--ink);border-bottom-color:var(--line)}
body:has(.home-hero.product-showcase)>.header.is-scrolled .brand img{filter:none}
body:has(.home-hero.product-showcase)>.header.is-scrolled .brand>span,
body:has(.home-hero.product-showcase)>.header.is-scrolled .header-phone small{color:var(--muted)}
body:has(.home-hero.product-showcase)>.header.is-scrolled .language-switch,
body:has(.home-hero.product-showcase)>.header.is-scrolled .menu-toggle{color:var(--ink);border-color:var(--line)}
body:has(.home-hero.product-showcase)>.header.is-scrolled .navigation>a,
body:has(.home-hero.product-showcase)>.header.is-scrolled .mega-toggle{color:var(--ink)}
@media(max-width:1050px){
 body:has(.home-hero.product-showcase){--hero-header-height:87px}
 body:has(.home-hero.product-showcase)>.header .navigation.is-open>a,
 body:has(.home-hero.product-showcase)>.header .navigation.is-open .mega-toggle{color:var(--ink)}
}
@media(max-width:650px){
 .home-hero .campaign,html[lang=en] .home-hero .campaign{height:max(860px,100svh)}
 .home-hero.product-showcase{background-position:62% center}
 .home-hero .campaign:before{background:linear-gradient(180deg,#062419ec 0%,#092d20b8 43%,#092b2035 65%,#071e17bd 100%)}
}
body:has(.home-hero.product-showcase)>.header:not(.is-scrolled) .brand img{filter:grayscale(1) invert(1) brightness(3);mix-blend-mode:screen}
.showcase-arrow{position:absolute;z-index:5;top:55%;transform:translateY(-50%);width:44px;height:56px;padding:0;display:grid;place-items:center;border:1px solid #ffffff50;border-radius:5px;background:#09251d66;color:#fff;transition:background .2s,border-color .2s}
.showcase-arrow:hover{background:#173f2ed9;border-color:#ffffffa8}.showcase-arrow:focus-visible{outline:3px solid #d4edac;outline-offset:3px}
.showcase-prev{left:14px}.showcase-next{right:14px}.showcase-arrow span{width:12px;height:12px;border-top:2px solid currentColor;border-right:2px solid currentColor}.showcase-prev span{transform:rotate(-135deg);margin-left:5px}.showcase-next span{transform:rotate(45deg);margin-right:5px}
@media(max-width:650px){.showcase-arrow{top:73%;width:40px;height:48px}.showcase-prev{left:8px}.showcase-next{right:8px}}

.footer-bottom .icp{text-decoration:none;border-bottom:1px solid #ffffff40}.footer-bottom .icp:hover{color:#fff;border-bottom-color:#fff}
.footer-bottom .icp img{display:inline-block;width:20px;height:20px;vertical-align:-5px;margin-right:5px;border:0}