@font-face{font-family:Epilogue;src:url(/fonts/epilogue-400.ttf) format("truetype");font-weight:400;font-display:swap}@font-face{font-family:Epilogue;src:url(/fonts/epilogue-500.ttf) format("truetype");font-weight:500;font-display:swap}@font-face{font-family:Epilogue;src:url(/fonts/epilogue-900.ttf) format("truetype");font-weight:900;font-display:swap}:root{--ink:#173e37;--ground:#f4f6ef;--leaf:#c5dbaa;--sage:#e6eddf;--muted:#4e6256;--white:#fff;--pad:clamp(20px,2.2vw,36px);--body:clamp(16px,1.25vw,18px);--small:14px;--lead:clamp(20px,2vw,28px);--head:clamp(38px,5.2vw,76px);--display:clamp(70px,10.4vw,150px);--green:var(--ink)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;background:var(--ground);color:var(--ink);font-family:Epilogue,Noto Sans CJK SC,Microsoft YaHei,sans-serif;font-size:var(--body);line-height:1.6;-webkit-font-smoothing:antialiased}::selection{background:var(--leaf);color:var(--ink)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}a,button,input,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait}a,button{transition:background-color .2s,color .2s,transform .2s}a:hover{color:var(--muted)}.button:active,button:active{transform:translateY(2px)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid currentColor;outline-offset:5px}img{display:block;max-width:100%;height:auto}figure,h1,h2,h3,p{margin:0}h1,h2{font-weight:900;letter-spacing:-.045em;line-height:1.02;text-wrap:balance}h3{font-weight:500;line-height:1.45}p{text-wrap:pretty}h2{font-size:var(--head)}ol,ul{padding-left:24px}button{color:inherit}main{min-height:65svh}section{scroll-margin-top:105px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;min-height:54px;padding:15px 24px;background:var(--ink);color:var(--ground);font-size:16px;font-weight:500;border:0;border-radius:0;line-height:1.5}.button:hover{background:var(--muted);color:var(--white)}.button span{display:inline-block;transition:transform .2s}.button:hover span{transform:translate(3px,-3px)}.button.small{min-height:46px;padding:10px 20px}.text-link{display:inline-block;text-decoration:underline;text-underline-offset:6px;padding:8px 0}.skip-link{position:fixed;top:-100px;left:20px;z-index:100;background:var(--leaf);padding:15px}.skip-link:focus{top:10px}.site-header{height:90px;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 var(--pad);background:var(--ground);color:var(--ink)}.site-header[data-tone=dark]{background:var(--ink);color:var(--ground)}.site-header[data-tone=dark] .button{background:var(--leaf);color:var(--ink)}.site-header[data-tone=dark] a:hover{color:var(--leaf)}.site-header[data-tone=dark] .button:hover{color:var(--ink);background:var(--ground)}.logo{font-size:32px;font-weight:900;letter-spacing:-2px;line-height:1}.logo span{font-size:14px;vertical-align:top;letter-spacing:0;margin-left:3px}.site-header nav{display:flex;gap:32px;font-size:15px;font-weight:500}.site-header nav a[aria-current=page]{text-decoration:underline;text-underline-offset:7px}.header-actions{display:flex;align-items:center;gap:25px}.language-switch{display:flex;gap:0}.language-switch button{border:0;min-width:44px;min-height:44px;background:transparent;color:inherit;padding:8px;font-size:14px}.language-switch button[aria-pressed=true]{text-decoration:underline;text-underline-offset:6px;font-weight:500}.menu-toggle,.mobile-contact{display:none!important}.hero{position:relative;background:var(--leaf);padding-bottom:var(--pad)}.hero-field{position:absolute;top:0;left:0;right:0;height:270px;background:var(--ground);pointer-events:none}.hero-inner{position:relative;text-align:center;padding:95px var(--pad) 64px}.hero h1{font-size:var(--display);line-height:.93;letter-spacing:-.06em}.hero-inner>p{max-width:570px;margin:30px auto 24px;font-size:18px;line-height:1.65}.hero-photo{position:relative;overflow:hidden;max-height:510px;margin:0 var(--pad);height:35vw;min-height:230px}.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 43%}.hero-photo figcaption{position:absolute;top:0;left:0;right:0;padding:12px 18px;font-size:var(--small)}.hero-photo figcaption,.material-chapter{background:var(--ink);color:var(--ground)}.material-chapter{padding:10px var(--pad) 70px}.material-board{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:260px 260px;gap:10px}.material-statement{grid-row:span 2;display:flex;align-items:flex-end;padding:34px 0}.material-statement h2{font-size:clamp(66px,8.9vw,128px);line-height:.98}.material-stat{background:var(--leaf);color:var(--ink);padding:32px;display:flex;align-items:center}.material-stat strong{font-size:clamp(66px,8vw,116px);font-weight:900;line-height:1.1;letter-spacing:-.05em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.material-stat p{font-size:16px;margin-top:6px}.material-photo{overflow:hidden}.material-photo img{width:100%;height:100%;object-fit:cover}.material-note{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:48px;align-items:end}.material-note p{font-size:var(--lead);max-width:650px}.material-note a{justify-self:end}.material-note a:hover{color:var(--leaf)}.family-chapter{padding:90px var(--pad);background:var(--ground)}.family-instruction{margin-bottom:42px;max-width:580px}.family-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:50px;align-items:start}.family-list{display:flex;flex-direction:column;gap:20px}.family-choice{display:flex;align-items:baseline;justify-content:space-between;gap:18px}.family-choice>span{font-size:clamp(38px,5.1vw,74px);font-weight:900;letter-spacing:-.05em;line-height:1.15}.family-choice>small{font-size:14px;white-space:nowrap;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.family-choice.active,.family-choice:hover{color:var(--muted)}.family-choice.active>span{text-decoration:underline;text-decoration-thickness:4px;text-underline-offset:9px}.family-preview{padding:28px;background:var(--sage);min-height:460px}.family-count{font-size:76px;font-weight:900;letter-spacing:-.06em;line-height:1.1}.family-preview>p{margin-top:16px}.family-preview ul{list-style:none;padding:0;display:grid;gap:18px;margin:22px 0 28px}.family-preview li{font-size:16px;line-height:1.7;overflow-wrap:anywhere}.family-preview .button{width:100%;gap:16px}.family-preview .source-note{font-size:14px;margin-top:24px}.application-chapter{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:5vw;background:var(--ink);color:var(--ground);padding:80px var(--pad);min-height:88svh}.application-photo{aspect-ratio:1;overflow:hidden}.application-photo img{height:100%;width:100%;object-fit:cover;object-position:40% 50%}.application-copy h2{font-size:clamp(40px,4.5vw,66px)}.application-copy>p{max-width:500px;margin-top:32px}.application-links{margin-top:35px;display:grid;gap:12px}.application-links a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 20px;background:var(--ground);color:var(--ink);font-weight:500}.application-links a:hover{background:var(--leaf)}.contact-chapter{display:grid;grid-template-columns:1fr 2fr;gap:10px;padding:80px var(--pad);background:var(--sage);min-height:70svh}.contact-chapter figure{overflow:hidden}.contact-chapter img{width:100%;height:100%;object-fit:cover}.contact-chapter-copy{padding:48px;background:var(--leaf);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.contact-chapter h2{font-size:var(--head)}.contact-chapter p{max-width:530px;margin:28px 0}.contact-chapter .button{max-width:100%}footer{background:var(--ink);color:var(--ground);padding:38px var(--pad) 30px;overflow:hidden}footer a:hover{color:var(--leaf)}.footer-wordmark{display:block;font-size:clamp(80px,21.5vw,310px);font-weight:900;line-height:1;letter-spacing:-.07em}.footer-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:60px 0}.footer-row>p{font-size:var(--lead);max-width:400px}.footer-links{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:24px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:14px;flex-wrap:wrap}.image-credits{margin-top:30px;font-size:14px;max-width:1000px}.image-credits summary{cursor:pointer;width:fit-content;min-height:44px;padding:8px 0}.image-credits p{margin:12px 0}.image-credits li{margin-bottom:12px;overflow-wrap:anywhere}.image-credits a{text-decoration:underline;text-underline-offset:3px}.section{padding:75px var(--pad) 100px}.page-title{font-size:clamp(44px,6.6vw,96px);max-width:1100px}.intro{font-size:var(--lead);max-width:760px;margin:28px 0 40px}.notice{padding:24px;background:var(--sage);margin:30px 0;max-width:850px}.muted{color:var(--muted);font-size:16px}.detail-category{font-size:16px;margin-top:20px}.about{display:grid;grid-template-columns:1.15fr 1fr;gap:7vw;align-items:center;min-height:78svh}.about-photo{overflow:hidden;aspect-ratio:4/5}.about-photo img{width:100%;height:100%;object-fit:cover}.about .page-title{font-size:var(--head)}.about .intro{font-size:20px}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:7vw;align-items:start}.contact-layout .page-title{font-size:var(--head)}.contact-layout .intro{font-size:20px}.contact-reference{margin-top:40px;aspect-ratio:2;overflow:hidden}.contact-reference img{width:100%;height:100%;object-fit:cover}form{background:var(--sage);padding:38px}form label{display:block;font-size:16px;font-weight:500;margin-bottom:22px}input,textarea{display:block;width:100%;border:1px solid #7c9281;border-radius:0;background:var(--ground);color:var(--ink);padding:14px 16px;margin-top:9px;line-height:1.5;min-height:52px}input::placeholder,textarea::placeholder{color:var(--muted)}input:focus,textarea:focus{outline:3px solid var(--ink);outline-offset:2px}form p[role=status]{margin-top:16px;font-size:16px}.honeypot{position:absolute!important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}.system-list{margin-top:60px;display:grid;gap:12px}.system-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:38px;background:var(--sage)}.system-row h2{font-size:32px;max-width:650px}.system-row p{margin:15px 0}.system-row h3{margin-top:20px;font-size:20px}.system-row .text-link{margin-top:16px}.system-row .muted{color:var(--ink)}.catalogue-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:34px;margin-top:50px;align-items:start}.category-sidebar{background:var(--sage)}.category-sidebar-title{padding:22px 18px;font-weight:500;font-size:16px}.category-sidebar button{border:0;background:transparent;color:var(--ink);text-align:left;width:100%;display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:14px;padding:13px 18px;line-height:1.5;min-height:44px}.category-sidebar button.selected{background:var(--ink);color:var(--ground)}.category-all{font-weight:500}.category-group summary{cursor:pointer;list-style:none;padding:19px 18px;display:flex;justify-content:space-between;gap:15px;font-size:16px;font-weight:500}.category-group summary::-webkit-details-marker{display:none}.category-group[open] summary>span{transform:rotate(45deg)}.category-sidebar .category-root{font-size:14px;font-weight:500}.category-child{padding-left:28px!important}.category-child small{display:block;font-size:13px;margin-top:4px}.category-sidebar button:hover:not(.selected){background:var(--leaf)}.category-sidebar details{margin-bottom:8px}.catalogue-breadcrumb{font-size:14px;margin-bottom:18px;overflow-wrap:anywhere}.catalogue-search label{display:block;font-size:16px}.catalogue-search input{max-width:none}.results{font-size:16px;margin:25px 0}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.catalogue-name-card{padding:25px;background:var(--sage);display:flex;flex-direction:column;min-height:190px;transition:background-color .2s}.catalogue-name-card:hover{background:var(--leaf)}.catalogue-name-top{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}.catalogue-name-top>small{font-size:14px;line-height:1.5}.featured-label{font-size:13px;font-weight:500;color:var(--ink);background:var(--leaf);padding:4px 8px;white-space:nowrap}.catalogue-name-card h3{font-family:Noto Sans CJK SC,Microsoft YaHei,sans-serif;font-size:19px;font-weight:500;line-height:1.65;margin:20px 0;overflow-wrap:anywhere}.catalogue-pending{margin:auto 0 0;font-size:14px;color:var(--muted);padding-top:10px}.catalogue-pending span{display:none}.catalogue-empty{padding:45px 25px;background:var(--sage)}.catalogue-empty h3{font-size:24px}.catalogue-empty p{font-size:16px;margin:15px 0}.catalogue-empty button{border:0;background:none;color:var(--ink);padding:10px 0}.card-image{background:var(--sage);aspect-ratio:1.3;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:contain}.model{position:absolute;top:18px;left:18px;font-size:14px}.card-arrow{position:absolute;bottom:18px;right:18px}.card-copy{padding:22px;background:var(--sage)}.card-copy small,.demo{font-size:14px}.card-copy h3{font-size:22px;margin:12px 0}.card-copy p{font-size:16px}.detail-hero{display:grid;grid-template-columns:1fr 1fr;gap:5vw;margin:45px 0}.detail-image{background:var(--sage);display:flex;align-items:center;justify-content:center;min-height:400px}.detail-image img{max-height:650px;object-fit:contain}.detail-hero h1{font-size:clamp(30px,3vw,48px);line-height:1.3;margin-top:20px;overflow-wrap:anywhere}.detail-model{font-size:16px}.detail-hero .intro{font-size:20px}.download{display:block;margin:25px 0;text-decoration:underline}.detail-hero .muted{margin-top:25px}.detail-sections{max-width:900px;margin:auto}.detail-sections section{margin:60px 0}.detail-sections h2{font-size:32px;margin-bottom:24px}.detail-sections li{margin-bottom:14px}.content-image{margin:30px 0}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse}td,th{border-bottom:1px solid var(--muted);padding:16px;text-align:left}.product-visual{width:100%;min-height:250px;gap:12px}.product-visual,.roll{display:flex;align-items:center;justify-content:center}.roll{background:var(--ink);color:var(--ground);width:100px;height:220px}.roll .label{padding:10px;font-size:14px}.roll .label>*{display:block}.product-shadow,.roll-top,.roll:after,.roll:before{display:none}html[lang=zh-CN] h1,html[lang=zh-CN] h2{letter-spacing:-.05em;line-height:1.15}html[lang=zh-CN] .hero h1{font-size:clamp(60px,9vw,130px)}html[lang=zh-CN] .hero-field{height:265px}html[lang=zh-CN] .material-statement h2{font-size:clamp(62px,8.4vw,122px)}@media(min-width:1700px){.family-layout{grid-template-columns:1fr 410px}.hero-inner{padding-top:120px}.hero-field{height:295px}}@media(max-width:1100px){.site-header{gap:16px}.site-header nav{gap:18px}.header-actions{gap:10px}.family-layout{grid-template-columns:minmax(0,1fr) 270px;gap:28px}.family-choice{flex-wrap:wrap;gap:6px}.family-choice>span{font-size:5.4vw}.family-choice>small{display:block;width:100%}.family-preview{padding:24px}.hero-field{height:240px}.material-board{grid-template-rows:230px 230px}.material-stat{padding:20px}.catalogue-layout{grid-template-columns:240px minmax(0,1fr);gap:24px}.catalogue-name-card{padding:20px}.contact-chapter-copy{padding:30px}.system-row h2{font-size:28px}}@media(max-width:800px){.site-header{height:76px}.site-header nav{position:absolute;top:76px;left:0;right:0;padding:22px var(--pad) 28px;background:inherit;display:none;flex-direction:column;gap:16px;font-size:20px}.site-header nav.is-open{display:flex}.menu-toggle{min-height:44px;border:0;padding:8px 10px;color:inherit;background:transparent;font-size:14px}.menu-toggle,.mobile-contact{display:block!important}.header-contact{display:none}.logo{font-size:28px}.header-actions{gap:12px}.hero-inner{padding-top:75px;padding-bottom:45px}.hero-field{height:190px}.hero h1{font-size:12vw}.hero-inner>p{max-width:480px}.hero-photo{height:44vw;max-height:none}.material-board{grid-template-rows:210px 210px;grid-template-columns:1.4fr 1fr}.material-statement h2{font-size:8.2vw}.material-note p{font-size:22px}.family-layout{grid-template-columns:minmax(0,1fr) 250px;gap:24px}.family-choice>span{font-size:5vw}.application-chapter{gap:30px;padding-block:60px;min-height:auto}.application-copy h2{font-size:4.9vw}.application-links a{font-size:14px;padding:14px}.contact-chapter{min-height:auto}.contact-chapter h2{font-size:5vw}.catalogue-layout{grid-template-columns:210px minmax(0,1fr);gap:20px}.product-grid{grid-template-columns:1fr}.category-child{padding-left:22px!important}.about,.contact-layout{gap:30px}.contact-layout form{padding:24px}.footer-row{margin:40px 0}.footer-links{gap:16px}html[lang=zh-CN] .hero-field{height:190px}html[lang=zh-CN] .hero h1{font-size:10.5vw}html[lang=zh-CN] .material-statement h2{font-size:7.6vw}}@media(max-width:600px){:root{--pad:20px;--head:42px;--lead:21px}.site-header{gap:8px}.header-actions{gap:7px}.logo{font-size:26px}.language-switch button{min-width:40px}.hero-inner{padding:76px var(--pad) 38px}.hero h1{font-size:14.5vw;line-height:.98}.hero-field{height:160px}.hero-inner>p{font-size:16px;max-width:310px;margin:26px auto 22px}.hero-photo{height:240px;margin:0 12px;min-height:0}.hero-photo figcaption{font-size:13px;padding:10px 12px}.material-chapter{padding:10px 12px 42px}.material-board{grid-template-columns:1fr 1fr;grid-template-rows:auto 190px;gap:8px}.material-statement{grid-column:span 2;grid-row:auto;padding:44px 8px}.material-statement h2{font-size:16vw;line-height:1}.material-stat{padding:20px 14px}.material-stat strong{font-size:64px}.material-stat p{font-size:14px}.material-note{grid-template-columns:1fr;gap:22px;margin:30px 8px 0}.material-note p{font-size:20px}.material-note a{justify-self:start}.family-chapter{padding:50px var(--pad)}.family-instruction{font-size:16px;margin-bottom:30px}.family-layout{grid-template-columns:1fr;gap:32px}.family-list{gap:25px}.family-choice{display:flex;flex-wrap:nowrap;align-items:center}.family-choice>span{font-size:9.7vw;line-height:1.15;letter-spacing:-.055em}.family-choice>small{width:auto;font-size:13px;max-width:80px;text-align:right;white-space:normal}.family-choice.active>span{text-underline-offset:7px;text-decoration-thickness:3px}.family-preview{min-height:0;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}.family-count{font-size:64px}.family-preview>p{margin:0;align-self:center}.family-preview ul{grid-column:span 2;margin:10px 0 15px}.family-preview .button,.family-preview .source-note{grid-column:span 2}.family-preview .source-note{margin-top:10px}.application-chapter{grid-template-columns:1fr;padding:40px var(--pad);gap:34px}.application-photo{aspect-ratio:1.15}.application-copy h2{font-size:42px}.application-copy>p{margin-top:24px}.application-links{margin-top:28px}.application-links a{font-size:16px;min-height:58px}.contact-chapter{grid-template-columns:1fr;padding:12px;gap:10px}.contact-chapter figure{height:220px;order:2}.contact-chapter-copy{padding:40px 20px}.contact-chapter h2{font-size:40px}.contact-chapter p{font-size:16px;margin:24px 0}.contact-chapter .button{font-size:15px;gap:20px}.footer-wordmark{font-size:21vw}.footer-row{grid-template-columns:1fr;gap:24px;margin:35px 0}.footer-row>p{font-size:23px;max-width:300px}.footer-links{justify-content:flex-start;gap:18px;font-size:15px}.footer-bottom{font-size:13px;gap:18px}.image-credits{font-size:13px}.section{padding:44px var(--pad) 60px}.page-title{font-size:44px;line-height:1.05}.intro{font-size:19px;margin:24px 0 30px}.catalogue-layout{grid-template-columns:1fr;gap:28px;margin-top:32px}.category-sidebar-title{padding:16px 18px}.category-group summary{padding:14px 18px}.catalogue-name-card{padding:23px;min-height:180px}.catalogue-name-card h3{font-size:19px;margin:18px 0}.catalogue-name-top>small,.catalogue-pending{font-size:14px}.product-grid{grid-template-columns:1fr;gap:10px}.catalogue-content{scroll-margin-top:90px}.about,.contact-layout{grid-template-columns:1fr;gap:32px}.about .page-title,.contact-layout .page-title{font-size:42px}.contact-reference{display:none}.about-photo{aspect-ratio:1.3}.notice{padding:20px;font-size:16px}.system-list{margin-top:35px}.system-row{grid-template-columns:1fr;gap:10px;padding:24px}.system-row h2{font-size:28px}.detail-hero{grid-template-columns:1fr;gap:30px}.detail-image{min-height:300px}.detail-hero h1{font-size:30px}.detail-sections h2{font-size:28px}.detail-sections section{margin:40px 0}html[lang=zh-CN] .hero h1{font-size:12.4vw;line-height:1.18}html[lang=zh-CN] .hero-field{height:163px}html[lang=zh-CN] .material-statement h2{font-size:14.4vw}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{animation:none!important;transition:none!important}}.family-preview .source-note,.footer-bottom,.image-credits{font-size:16px}.image-credits{max-width:70ch}.family-instruction,.image-credits p{max-width:60ch}.material-note p{max-width:620px}.application-copy h2,.contact-chapter h2,.family-count{font-size:var(--head)}@media(min-width:1101px){.family-choice>span{font-size:var(--head)}.material-stat strong,.material-statement h2{font-size:var(--display)}}@media(max-width:800px) and (min-width:601px){.application-copy h2,.contact-chapter h2{font-size:40px}.material-note{grid-template-columns:2fr 1fr}}@media(max-width:600px){.family-preview .source-note,.footer-bottom,.image-credits{font-size:16px}.family-count{font-size:64px}.application-copy h2,.contact-chapter h2{font-size:42px}}.category-toggle{display:none}.category-panel{min-width:0}@media(max-width:600px){.category-toggle{display:flex;align-items:center;justify-content:space-between;min-height:54px;padding:15px 18px;background:var(--sage);cursor:pointer;list-style:none;font-size:16px}.category-toggle::-webkit-details-marker{display:none}.category-sidebar-title{display:none}}