:root{--ink:#1b332d;--green:#24483d;--muted:#6e756d;--paper:#f7f7f0;--line:#dce0d6;--orange:#d3663f;--white:#fff;--serif:Georgia,'Times New Roman',serif;--sans:Arial,'PingFang SC','Microsoft YaHei',sans-serif}
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var(--line);gap:24px}.brand{display:flex;gap:13px;align-items:center;font-size:17px;font-weight:700;letter-spacing:.035em;line-height:1.2}.brand-mark{height:42px;width:42px;background:var(--green);color:var(--paper);font-size:37px;line-height:42px;text-align:center;border-radius:50%}.brand-sub{display:block;font-size:8px;letter-spacing:.19em;font-weight:400;margin-top:6px}.site-header nav{display:flex;gap:35px;font-size:12px}.site-header nav a:hover{color:var(--orange)}.language{border:1px solid #b9c3b6;border-radius:30px;background:transparent;padding:8px 17px;font-size:12px;display:flex;gap:20px;align-items:center}.hero{display:grid;grid-template-columns:1fr 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var(--line);border-radius:50%;width:36px;height:36px;background:transparent;color:var(--ink)}.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:35px;padding:30px}.detail-visual{min-width:0}.detail-image{width:100%;aspect-ratio:1.1;object-fit:contain;background:#e7ebdf;border-radius:3px}.thumbnails{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.thumbnail{width:64px;height:50px;border:1px solid var(--line);background:var(--white);padding:0}.thumbnail[aria-pressed=true]{border:2px solid var(--green)}.thumbnail img{width:100%;height:100%;object-fit:contain}.detail-info h2{font-size:32px;margin:12px 0}.detail-model{color:var(--muted);font-size:12px}.detail-info p{font-size:13px;color:#5f6d62;line-height:1.9}.detail-warning{font-size:11px!important;border-left:2px solid var(--orange);padding:8px 12px;background:#efeee3}.detail-info h3{font-size:12px;margin-top:28px}.spec-table{width:100%;border-collapse:collapse;font-size:11px;table-layout:fixed}.spec-table th,.spec-table td{text-align:left;vertical-align:top;padding:12px 4px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.spec-table th{font-weight:400;color:var(--muted);width:40%}.detail-source{font-size:10px!important}.doc-links{display:flex;flex-direction:column;gap:8px;font-size:12px}.doc-links a{text-decoration:underline}body.modal-open{overflow:hidden}html[lang=zh-CN] h1,html[lang=zh-CN] h2{font-family:var(--sans);letter-spacing:-.04em}html[lang=zh-CN] h1{font-size:clamp(40px,4vw,62px);line-height:1.3}html[lang=zh-CN] em{font-style:normal}html[lang=zh-CN] h2{font-size:32px}.load-error{padding:30px;background:#f5e8dc;border:1px solid #ceaa8b}
@media(min-width:1600px){.hero{padding-top:85px;padding-bottom:75px}}
@media(max-width:1100px){.wrap{width:calc(100% - 56px)}.hero{gap:30px}h1{font-size:50px}.catalog-toolbar{align-items:start}.categories{gap:5px}.category{padding:10px 12px}.about-layout{gap:45px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.preview-bar{font-size:8px;letter-spacing:.025em;padding:7px 15px}.site-header{height:82px;gap:10px}.brand{font-size:13px;gap:8px}.brand-sub{font-size:6px;letter-spacing:.13em}.brand-mark{height:32px;width:32px;font-size:29px;line-height:32px}.site-header nav{display:none}.language{font-size:10px;padding:7px 12px;gap:13px}.hero{grid-template-columns:1fr;gap:28px;padding-top:36px;padding-bottom:30px}.eyebrow{font-size:8px}h1{font-size:50px;margin:20px 0;line-height:1.09}.hero-copy>p{font-size:13px;max-width:370px;margin-bottom:0}.primary-link{margin-top:22px;padding:13px 20px;font-size:12px;gap:40px}.hero-note{margin-top:24px;font-size:9px;gap:13px}.hero-art{aspect-ratio:1.5}.art-label,.art-caption{padding:17px;font-size:8px}.sample-label{font-size:7px}.principles{padding:15px 0;gap:8px}.principles>span{display:block;text-align:left;font-size:8px;line-height:1.6;padding-left:8px}.principles>span:first-child{padding-left:0}.principles i{display:block;font-size:8px;margin-bottom:4px}.catalog-section{padding-top:40px;padding-bottom:44px}.section-top{display:block;margin-bottom:25px}h2{font-size:33px;margin-top:10px}.section-top>p{margin-top:14px;font-size:11px}.catalog-toolbar{display:flex;flex-direction:column;gap:17px;align-items:stretch}.categories{flex-wrap:nowrap;overflow-x:auto;gap:6px;padding:3px 2px 7px;scrollbar-width:thin}.category{font-size:10px;padding:9px 13px}.search{flex:auto;min-width:0;width:100%;padding:8px 12px}.search input{font-size:12px}.results-line{padding-top:17px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 12px}.card-image{aspect-ratio:1.06}.card-tag{font-size:7px;top:9px;left:8px;padding:2px 5px}.card-category{font-size:7px;letter-spacing:.05em}.card-bottom{padding-top:12px;gap:5px}.card-bottom h3{font-size:14px}.card-model{font-size:9px}.card-arrow{width:23px;height:23px;font-size:13px;flex-shrink:0}.about-section{padding:36px 0}.about-layout{grid-template-columns:1fr;gap:16px}.about-layout h2{font-size:29px}.about-layout p{font-size:12px}.about-note{font-size:9px}footer{min-height:140px;flex-wrap:wrap;gap:12px;padding-top:25px;padding-bottom:25px;font-size:9px}footer>span{order:3;width:100%}.footer-brand{font-size:11px}dialog{width:calc(100% - 20px);max-height:94dvh}.detail-layout{grid-template-columns:1fr;padding:18px;gap:23px}.detail-image{aspect-ratio:1.4}.detail-toolbar{padding:10px 18px}.detail-info h2{font-size:29px}html[lang=zh-CN] h1{font-size:43px}html[lang=zh-CN] h2{font-size:28px}}
@media(max-width:350px){h1{font-size:43px}.product-grid{grid-template-columns:1fr}.brand{font-size:11px}.brand-sub{font-size:5px}.language{padding:6px 9px}html[lang=zh-CN] h1{font-size:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
/* Four language buttons remain visible on every screen. */
h1 em{white-space:normal}.hero-copy{min-width:0}.hero-copy h1,.brand,.card-bottom h3{overflow-wrap:anywhere}.languages{display:flex;flex-wrap:wrap;gap:5px;justify-content:flex-end}.languages button{border:1px solid #bec8b8;border-radius:20px;padding:8px 12px;background:transparent;color:var(--ink);font-size:11px;min-height:36px}.languages button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.languages button:hover{border-color:var(--green)}.brand{max-width:340px}.site-header nav{gap:22px}.pagination{display:flex;gap:6px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:35px}.pagination[hidden]{display:none}.pagination button{border:1px solid var(--line);border-radius:3px;background:transparent;color:var(--ink);padding:8px 12px;min-height:38px;font-size:12px}.pagination button[aria-current]{background:var(--green);color:white}.pagination button:disabled{opacity:.4}.detail-video{width:100%;aspect-ratio:1.1;object-fit:contain;background:#122a21;border-radius:3px}.video-thumbnail{font-size:17px;display:flex;align-items:center;justify-content:center;gap:3px;min-width:90px;padding:5px}.video-thumbnail span{font-size:8px}.video-note,.video-file{font-size:10px;color:var(--muted)}.video-file{text-decoration:underline;display:block;margin-top:7px}.hero-art>img{height:80%;top:7%}.card-tag{max-width:calc(100% - 20px)}html[lang=ru] h1{font-size:clamp(38px,4vw,60px)}html[lang=fr] h1{font-size:clamp(40px,4.2vw,62px)}html[lang=ru] h2,html[lang=fr] h2{overflow-wrap:anywhere}.section-top>p{max-width:340px}.brand-mark{flex-shrink:0}
@media(max-width:1200px){.site-header nav{display:none}.brand{max-width:45%}}
@media(max-width:760px){.site-header{height:auto;min-height:120px;flex-wrap:wrap;justify-content:center;padding-top:17px;padding-bottom:14px;gap:14px}.brand{max-width:100%;font-size:13px}.brand-sub{font-size:7px}.languages{width:100%;justify-content:center;gap:7px}.languages button{padding:7px 12px;font-size:11px;min-height:34px}.hero{padding-top:30px}.hero-art{aspect-ratio:1.5}.hero-art>img{height:82%;top:5%}.art-caption{font-size:7px;gap:9px}.art-caption>span:first-child{max-width:65%}.card-bottom h3{font-size:13px}.card-bottom{gap:4px}.section-top>p{max-width:none}.detail-video{aspect-ratio:1.4}html[lang=ru] h1,html[lang=fr] h1{font-size:43px}.sample-label{font-size:6px}.category{font-size:10px}.hero-copy>p{font-size:13px}.principles>span{overflow-wrap:anywhere}.pagination{gap:5px}.pagination button{padding:7px 10px}}
@media(max-width:350px){.languages{gap:5px}.languages button{padding:6px 9px;font-size:10px}html[lang=ru] h1,html[lang=fr] h1{font-size:35px}}
/* Mobile reading, touch targets and safe-area support from the research checklist. */
dialog{max-height:90vh;max-height:90dvh}.detail-info p{overflow-wrap:anywhere}.detail-info .spec-table{font-size:12px}
@media(pointer:coarse){.languages button,.category,.close,.pagination button{min-height:44px}.close{min-width:44px}.product-card .card-arrow{pointer-events:none}}
@media(max-width:760px){.languages button,.category,.pagination button{min-height:44px}.close{width:44px;height:44px}.search input{font-size:16px;min-height:30px}.search{min-height:48px}.sort select{font-size:14px;min-height:44px}.detail-info p{font-size:15px}.detail-info .spec-table{font-size:13px}.detail-info h3{font-size:15px}footer{padding-bottom:max(25px,env(safe-area-inset-bottom,0px))}.detail-layout{padding-bottom:max(18px,env(safe-area-inset-bottom,0px))}}