:root{--ink:#20231f;--muted:#646b60;--green:#426628;--line:#dce1d7;--paper:#fff;--soft:#f5f6f2;--serif:Georgia,'Times New Roman',serif;--sans:Arial,'PingFang SC','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 var(--sans)}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid #689b42;outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.18;font-weight:400}h1,h2{font-family:var(--serif)}html[lang=zh-CN] h1,html[lang=zh-CN] h2{font-family:'Songti SC','STSong','SimSun',serif}h1{font-size:clamp(2.3rem,4.1vw,4.4rem);letter-spacing:-.035em}h2{font-size:clamp(1.8rem,3vw,2.75rem);letter-spacing:-.025em}h3{font-size:1.1rem;font-weight:600}p{max-width:70ch}.wrap{width:min(1320px,calc(100% - 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
/* All categories share one continuous grid; filtered categories keep their heading. */
.all-view{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px 22px;margin-bottom:64px}.all-view .catalog-group,.all-view .gallery{display:contents}.all-view .catalog-group>header{display:none}@media(max-width:1000px){.all-view{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:640px){.all-view{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 14px;margin-bottom:40px}}
/* Keep the Chinese hero heading on its two authored lines. */
html[lang="zh-CN"] .hero-copy{container-type:inline-size;min-width:0}
html[lang="zh-CN"] #hero-title{width:100%;max-width:none;white-space:nowrap;font-size:clamp(1.5rem,3.2vw,3.6rem);line-height:1.35}
@supports(font-size:1cqi){html[lang="zh-CN"] #hero-title{font-size:min(3.6rem,15.5cqi)}}
/* Nine subcategories form a 3 x 3 grid on desktop. */
.catalog-group .gallery{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:640px){.catalog-group .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Approved third logo: preserve the full stacked mark at every viewport. */
.brand{width:136px}.brand img{width:136px;height:136px;object-fit:contain;object-position:center}.header-inner{min-height:152px}
@media(max-width:1000px){.brand{width:120px}.brand img{width:120px;height:120px}}
@media(max-width:640px){.brand{width:104px}.brand img{width:104px;height:104px}.header-inner{min-height:0}}