:root{--paper:#fafaf8;--fog:#edf0ec;--ink:#18221e;--teal:#1c6555;--muted:#626d66;--line:#d7ddd7;--gutter:clamp(22px,5vw,80px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--reading-font,'Inter',sans-serif);font-size:16px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img,video{display:block;max-width:100%}img{object-fit:cover;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:400}button,a,input,select,textarea,summary{outline-offset:5px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--teal)}[hidden]{display:none!important}::selection{background:#d2e2d5}.skip{position:absolute;top:-200px;padding:15px;background:white;z-index:100}.skip:focus{top:0}.brand{display:inline-flex;align-items:center;gap:11px}.brand-symbol{width:42px;height:28px;color:var(--teal)}.brand-name{font:550 18px 'Inter',sans-serif;letter-spacing:.055em}
.inner-header{position:relative;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:24px var(--gutter);border-bottom:1px solid var(--line);min-height:86px}.inner-nav{display:flex;gap:26px;font-size:13px}.inner-nav a{padding:8px 0}.inner-nav a[aria-current=page]{border-bottom:1px solid var(--teal)}.inner-actions{display:flex;align-items:center;gap:20px;font-size:12px}.locale-link{font:500 12px 'Inter',sans-serif;white-space:nowrap}.inner-menu{display:none}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;background:var(--teal);color:#fff;border:1px solid var(--teal);padding:16px 23px;border-radius:0;font-size:14px;min-height:50px;transition:background .2s}.button:hover{background:#154b40}.button.secondary{background:transparent;color:var(--teal)}.button.small{min-height:36px;padding:9px 16px;font-size:12px}.text-action{display:inline-flex;align-items:center;gap:24px;border-bottom:1px solid var(--teal);padding:8px 0;font-size:14px;color:var(--teal)}
.page-head{padding:64px var(--gutter) 52px}.kicker{font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin-bottom:27px}.crumb{font-size:11px;color:var(--muted);margin-bottom:40px}.crumb a{text-decoration:underline;text-underline-offset:4px}.page-head h1,.split-title{font-size:clamp(45px,5.8vw,86px);font-weight:350;line-height:1.08;letter-spacing:-.045em;max-width:1030px}.page-head .intro{max-width:530px;font-size:18px;line-height:1.75;color:var(--muted);margin:28px 0 0 auto}.page-head.compact{max-width:1060px}.page-head.compact .intro{margin-left:0;max-width:660px}.full-media{margin:0 var(--gutter);position:relative}.full-media img{width:100%;aspect-ratio:2.2;object-fit:cover}.caption{font-size:11px;color:var(--muted);line-height:1.65;margin-top:12px}.section{padding:80px var(--gutter)}.section.fog{background:var(--fog)}.section-title{display:grid;grid-template-columns:1.1fr 1fr;gap:65px;align-items:end;margin-bottom:44px}.section-title h2,.section h2{font-size:clamp(30px,3.6vw,53px);line-height:1.16;letter-spacing:-.035em;font-weight:350}.section-title>p{color:var(--muted);line-height:1.8;max-width:500px}.filters{display:flex;gap:12px;flex-wrap:wrap;padding-bottom:30px}.filters button{background:none;border:1px solid var(--line);padding:10px 18px;color:var(--muted);border-radius:30px;font-size:13px}.filters button[aria-pressed=true]{color:white;background:var(--teal);border-color:var(--teal)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card .image-wrap{overflow:hidden;background:#f0f1ef}.product-card img{width:100%;aspect-ratio:1;object-fit:cover;transition:transform .5s}.product-card:hover img{transform:scale(1.025)}.product-card .meta{font-size:10px;letter-spacing:.08em;color:var(--muted);margin:22px 0 12px;text-transform:uppercase}.product-card h3{font-size:24px;letter-spacing:-.025em;display:flex;justify-content:space-between;gap:15px}.product-card p{font-size:14px;line-height:1.7;color:var(--muted);margin-top:13px}.product-card .arrow{color:var(--teal);font-weight:300}.small-note{font-size:12px;line-height:1.8;color:var(--muted);margin-top:28px;max-width:800px}.band{margin-top:72px;padding-top:32px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr;gap:40px}.band h3{font-size:23px}.tag-list{display:flex;flex-wrap:wrap;gap:12px 25px;color:var(--muted);line-height:1.8;font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:6vw;padding:68px var(--gutter) 84px}.split figure img{width:100%;aspect-ratio:1;object-fit:cover}.split-body{padding:25px 0}.split-body h1{font-size:clamp(42px,4.3vw,64px);line-height:1.12;letter-spacing:-.04em;font-weight:350}.split-body .lead{font-size:18px;line-height:1.8;color:var(--muted);margin:26px 0 32px}.specs{display:grid;grid-template-columns:1fr 1.6fr;margin:34px 0;font-size:13px;line-height:1.8}.specs dt,.specs dd{margin:0;padding:13px 0;border-top:1px solid var(--line)}.specs dt{color:var(--muted)}.thumbs{display:flex;gap:12px;margin-top:16px}.thumbs button{border:1px solid var(--line);padding:3px;background:none}.thumbs button[aria-pressed=true]{border-color:var(--teal)}.thumbs img{width:70px!important;height:70px;aspect-ratio:1}.editorial-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:8vw}.editorial-grid>div>p{font-size:16px;color:var(--muted);line-height:1.9;margin:24px 0}.editorial-grid img{width:100%;aspect-ratio:1.3;object-fit:cover}.numbered{counter-reset:steps;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:45px}.numbered article{counter-increment:steps;border-top:1px solid var(--line);padding-top:20px}.numbered article:before{content:'0' counter(steps);font-size:38px;font-weight:300;color:var(--teal)}.numbered h3{font-size:21px;margin:40px 0 15px;letter-spacing:-.015em}.numbered p{font-size:14px;line-height:1.9;color:var(--muted)}.mode-row{display:grid;grid-template-columns:.65fr 1.3fr 1fr;gap:45px;border-top:1px solid var(--line);padding:35px 0}.mode-row h2{font-size:50px}.mode-row h3{font-size:26px;margin-bottom:15px}.mode-row p{font-size:15px;line-height:1.85;color:var(--muted)}.mode-row small{font-size:11px;color:var(--teal);display:block;margin-bottom:12px}.mode-row .text-action{margin-top:20px}.faq{max-width:880px;margin-top:40px}.faq details{border-top:1px solid var(--line);padding:23px 0}.faq summary{font-size:19px;cursor:pointer}.faq p{margin-top:20px;font-size:15px;line-height:1.85;color:var(--muted);max-width:710px}
.video-frame{background:#e5e9e5}.video-frame video{width:100%;aspect-ratio:16/9;object-fit:cover}.media-pair{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:50px}.media-pair img{width:100%;aspect-ratio:1.5;object-fit:cover}.media-pair figcaption{font-size:14px;padding-top:16px;display:flex;justify-content:space-between}.article-index{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:36px}.article-index a{border-top:1px solid var(--line);padding-top:25px}.article-index span{font-size:12px;color:var(--teal)}.article-index h2{font-size:27px;margin:24px 0 15px}.article-index p{font-size:14px;line-height:1.8;color:var(--muted)}.guide{display:grid;grid-template-columns:1fr 1.5fr;gap:8vw;padding:65px 0;border-top:1px solid var(--line);scroll-margin-top:30px}.guide h2{font-size:38px}.guide h3{font-size:20px;margin:25px 0 12px}.guide p,.guide li{font-size:16px;color:var(--muted);line-height:1.95}.guide ul{padding-left:20px}.guide .text-action{margin-top:25px}.closing{padding:80px var(--gutter);display:grid;grid-template-columns:1fr auto;gap:45px;align-items:center;background:#e6ede7}.closing h2{font-size:clamp(35px,4.5vw,67px);font-weight:350;letter-spacing:-.04em;max-width:830px;line-height:1.18}.closing p{font-size:15px;margin-top:23px;color:var(--muted);line-height:1.8}.inner-footer{padding:55px var(--gutter) 25px;border-top:1px solid var(--line)}.footer-columns{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}.footer-columns h2{font-size:12px;margin-bottom:20px;color:var(--teal)}.footer-columns nav,.footer-columns address{display:flex;flex-direction:column;gap:12px;font-style:normal;font-size:13px;line-height:1.7}.footer-company{font-size:12px;line-height:1.8;color:var(--muted);max-width:250px;margin-top:25px}.footer-columns address a{overflow-wrap:anywhere}.inner-footer .fine-print{display:flex;justify-content:space-between;gap:25px;border-top:1px solid var(--line);margin-top:50px;padding-top:23px;color:var(--muted);font-size:10px;line-height:1.8}
.inquiry-layout{display:grid;grid-template-columns:.85fr 1.2fr;gap:9vw;padding:70px var(--gutter) 100px}.inquiry-layout aside h1{font-size:clamp(42px,4.8vw,69px);letter-spacing:-.04em;line-height:1.12;font-weight:350}.inquiry-layout aside>p{font-size:16px;line-height:1.85;color:var(--muted);margin-top:28px}.inquiry-layout aside img{margin-top:45px;width:100%;aspect-ratio:1.5}.inquiry-layout aside ul{padding-left:20px;font-size:13px;line-height:1.9;color:var(--muted);margin-top:30px}.stepper{display:flex;gap:30px;border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:32px;font-size:12px}.stepper span{color:var(--muted)}.stepper span.active{color:var(--teal);font-weight:600}.site-form fieldset{border:0;padding:0;margin:0}.site-form legend{font-size:28px;font-weight:400;margin-bottom:30px;letter-spacing:-.02em}.fields{display:grid;grid-template-columns:1fr 1fr;gap:24px}.field{display:flex;flex-direction:column;gap:10px;font-size:12px;color:var(--muted)}.field.wide{grid-column:1/-1}.field input,.field select,.field textarea{width:100%;min-width:0;border:1px solid var(--line);background:white;padding:14px;font-size:15px;color:var(--ink);border-radius:0}.field textarea{min-height:140px;resize:vertical}.field select{min-height:49px}.check{display:flex;align-items:flex-start;gap:12px;font-size:12px;line-height:1.8;color:var(--muted);margin-top:26px}.check input{margin-top:5px;width:17px;height:17px;flex-shrink:0;accent-color:var(--teal)}.check a{text-decoration:underline}.form-actions{display:flex;gap:15px;margin-top:30px;align-items:center}.form-status{font-size:14px;line-height:1.85;margin:20px 0;color:var(--teal)}.form-status.error{color:#97342d}.form-note{font-size:12px;line-height:1.8;color:var(--muted);margin:20px 0}.receipt{padding:38px;background:var(--fog);margin-top:25px}.receipt h2{font-size:29px}.receipt p{font-size:15px;line-height:1.8;margin:20px 0}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.prose{max-width:830px;margin:auto;padding:30px var(--gutter) 85px}.prose h2{font-size:27px;margin:40px 0 18px;letter-spacing:-.02em}.prose p,.prose li{line-height:1.9;font-size:15px;color:var(--muted)}.prose p+p{margin-top:16px}.image-note{font-size:11px;line-height:1.75;color:var(--muted);margin-top:20px}
:lang(zh-CN) .page-head h1,:lang(zh-CN) .split-body h1,:lang(zh-CN) .closing h2,:lang(zh-CN) .inquiry-layout aside h1{letter-spacing:0;line-height:1.35;font-weight:400}:lang(zh-CN) .section h2{letter-spacing:0;line-height:1.4}:lang(zh-CN) .product-card h3{font-size:23px;line-height:1.5}:lang(zh-CN) .page-head .intro{line-height:1.9}
@media(max-width:1100px){.inner-nav{gap:18px}.inner-header{gap:20px}.inner-actions .button{display:none}.inner-nav a{font-size:12px}.section-title{gap:40px}.split{gap:45px}.footer-columns{gap:25px}.inquiry-layout{gap:50px}.numbered{grid-template-columns:1fr 1fr}.mode-row{gap:25px}}
@media(max-width:767px){html{scroll-padding-top:25px}.inner-header{min-height:72px;padding:20px 22px}.brand-symbol{width:32px;height:23px}.brand-name{font-size:14px}.inner-nav{display:none}.inner-actions{gap:18px}.inner-menu{display:block}.inner-menu>summary{list-style:none;cursor:pointer;font-size:12px;border:1px solid var(--line);padding:7px 10px}.inner-menu>summary::-webkit-details-marker{display:none}.inner-menu nav{position:absolute;top:71px;left:0;right:0;background:var(--paper);box-shadow:0 18px 20px #18221e12;border-bottom:1px solid var(--line);padding:22px;display:grid;gap:22px;font-size:20px}.page-head{padding:42px 22px 36px}.crumb{margin-bottom:30px}.kicker{margin-bottom:22px}.page-head h1{font-size:47px;line-height:1.12}.page-head .intro{font-size:15px;margin-top:25px;line-height:1.85}.full-media{margin:0 22px}.full-media img{aspect-ratio:1.3}.caption{font-size:10px}.section{padding:53px 22px}.section-title{display:block;margin-bottom:30px}.section-title h2,.section h2{font-size:35px}.section-title>p{font-size:14px;margin-top:23px}.product-grid{grid-template-columns:1fr;gap:43px}.product-card img{aspect-ratio:1.1}.product-card h3{font-size:25px}.product-card .meta{margin-top:18px}.product-card p{font-size:14px}.filters{gap:7px}.filters button{padding:10px 13px;font-size:12px}.band{margin-top:45px;display:block}.band h3{font-size:22px;margin-bottom:23px}.tag-list{font-size:13px;gap:10px 20px}.split{padding:35px 22px 50px;grid-template-columns:1fr;gap:25px}.split-body{padding:0}.split-body h1{font-size:44px}.split-body .lead{font-size:16px;margin-top:24px}.specs{margin:25px 0}.editorial-grid{grid-template-columns:1fr;gap:30px}.editorial-grid>div>p{font-size:15px}.editorial-grid img{aspect-ratio:1.3}.numbered{gap:32px 22px}.numbered article:before{font-size:32px}.numbered h3{font-size:19px;margin:25px 0 12px}.numbered p{font-size:13px}.mode-row{grid-template-columns:1fr;gap:23px;padding:30px 0}.mode-row h2{font-size:44px}.mode-row h3{font-size:24px}.mode-row p{font-size:14px}.faq summary{font-size:17px;line-height:1.6}.faq p{font-size:14px}.media-pair{gap:18px;grid-template-columns:1fr}.media-pair img{aspect-ratio:1.5}.article-index{grid-template-columns:1fr;gap:35px}.article-index h2{font-size:26px;margin-top:17px}.guide{grid-template-columns:1fr;gap:25px;padding:42px 0}.guide h2{font-size:31px}.guide p,.guide li{font-size:15px}.closing{padding:52px 22px;grid-template-columns:1fr;gap:35px}.closing h2{font-size:39px}.closing .button{justify-self:start}.footer-columns{grid-template-columns:1fr 1fr;gap:35px 25px}.footer-columns>div:first-child{grid-column:1/-1}.footer-columns address{font-size:12px}.inner-footer{padding:40px 22px 24px}.inner-footer .fine-print{display:block;margin-top:35px}.inner-footer .fine-print>span{display:block;margin-top:12px}.inquiry-layout{display:block;padding:42px 22px 60px}.inquiry-layout aside h1{font-size:46px}.inquiry-layout aside>p{font-size:15px}.inquiry-layout aside img{display:none}.inquiry-layout aside ul{display:none}.site-form{margin-top:40px}.fields{grid-template-columns:1fr;gap:23px}.field input,.field select,.field textarea{font-size:16px}.form-actions{flex-wrap:wrap}.form-actions .button{gap:23px}.receipt{padding:25px}.prose{padding:0 22px 60px}.stepper{gap:20px;font-size:11px}.image-note{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}