:root{--ink:#102334;--navy:#082d52;--muted:#647483;--line:rgba(16,35,52,.14);--orange:#ee7b2d}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f7f8f6;color:var(--ink);font-family:Arial,"Helvetica Neue",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.catalog-header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:14px clamp(20px,5vw,72px);min-height:72px;background:rgba(255,255,255,.95);border-top:3px solid var(--orange);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.catalog-brand{display:inline-flex;gap:13px;align-items:center;font-weight:800;letter-spacing:.13em;white-space:nowrap}
.brand-mark{width:36px;height:36px;display:grid;place-items:center;border:1px solid currentColor;border-radius:50%;font-size:10px;letter-spacing:0}
.catalog-header nav{display:flex;gap:clamp(16px,3vw,42px);align-items:center;font-size:13px;font-weight:700}
.catalog-header nav a:last-child{padding:10px 15px;border:1px solid var(--ink)}
.catalog-header a:hover,.catalog-footer a:hover{color:#166ec4}
.language-switcher{position:relative}.language-toggle{min-width:58px;padding:8px 10px;display:flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:11px;font-weight:800;letter-spacing:.08em;cursor:pointer}.language-toggle>span:last-child{font-size:13px;opacity:.65;transition:transform .2s}.language-switcher.open .language-toggle>span:last-child{transform:rotate(180deg)}.language-menu{position:absolute;z-index:20;top:calc(100% + 8px);right:0;width:150px;padding:6px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 35px rgba(8,45,82,.16)}.language-menu[hidden]{display:none}.language-menu button{width:100%;padding:10px 11px;border:0;background:transparent;color:var(--ink);text-align:left;font:inherit;font-size:13px;cursor:pointer}.language-menu button:hover,.language-menu button.active{background:#edf3f6;color:var(--navy)}
.catalog-main{max-width:1600px;margin:auto;padding:clamp(28px,4vw,58px) clamp(20px,5vw,72px) 80px}
.catalog-heading{margin-bottom:24px}
.eyebrow{margin:0 0 12px;color:#ad591f;font-size:11px;letter-spacing:.13em;font-weight:800}
h1{margin:0;font-size:clamp(36px,4.2vw,66px);font-weight:500;line-height:1;letter-spacing:-.055em}
.catalog-heading>p:last-child{margin:13px 0 0;color:var(--muted);font-size:14px;line-height:1.45}
.catalog-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.catalog-item{min-width:0;position:relative;display:block;overflow:hidden;background:#fff;border:1px solid rgba(18,43,61,.14);border-radius:11px;box-shadow:0 2px 5px rgba(18,43,61,.13),0 10px 22px rgba(18,43,61,.13);transform:translateY(-1px);transition:border-color .28s ease,box-shadow .28s ease,transform .28s cubic-bezier(.2,.7,.2,1)}
.catalog-item:focus-visible,.catalog-header a:focus-visible,.catalog-footer a:focus-visible{outline:2px solid #166ec4;outline-offset:2px}
.catalog-item img{display:block;width:100%;height:clamp(132px,13vw,190px);object-fit:contain;padding:8px;background:white;transition:transform .32s cubic-bezier(.2,.7,.2,1)}
.catalog-item span{position:absolute;bottom:7px;left:9px;color:#8393a1;font-size:10px;font-weight:700;letter-spacing:.06em}
@media(hover:hover) and (pointer:fine){.catalog-item:hover{border-color:rgba(45,86,113,.30);box-shadow:0 5px 10px rgba(18,43,61,.14),0 18px 34px rgba(18,43,61,.18);transform:translateY(-4px)}.catalog-item:hover img{transform:scale(1.018)}}
.catalog-item:active{transform:translateY(-1px) scale(.995)}
.catalog-footer{display:flex;justify-content:space-between;gap:20px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;font-weight:700}
@media(max-width:1100px){.catalog-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:760px){.catalog-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.catalog-header nav{font-size:12px}.catalog-header nav a:last-child{display:none}.catalog-item img{height:clamp(110px,22vw,160px)}}
@media(max-width:520px){.catalog-header{min-height:64px;padding:10px 20px}.catalog-brand{font-size:13px}.brand-mark{width:32px;height:32px}.catalog-main{padding:29px 14px 60px}.catalog-heading{padding:0 6px;margin-bottom:23px}.catalog-heading h1{font-size:clamp(33px,9vw,45px)}.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.catalog-item{border-radius:9px;box-shadow:0 2px 4px rgba(18,43,61,.10),0 7px 16px rgba(18,43,61,.11)}.catalog-item img{height:clamp(112px,31vw,154px);padding:5px}.catalog-item span{bottom:5px;left:6px;font-size:9px}.catalog-footer{font-size:12px}}
@media(max-width:340px){.catalog-item img{height:108px}.catalog-grid{gap:5px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
html[dir="rtl"] body{font-family:Arial,Tahoma,"Segoe UI",sans-serif}html[dir="rtl"] .catalog-header nav{direction:rtl}html[dir="rtl"] .language-menu{right:auto;left:0}html[dir="rtl"] .language-menu button{text-align:right}html[dir="rtl"] h1{letter-spacing:0}html[dir="rtl"] .catalog-item span{left:auto;right:9px}html[dir="rtl"] .catalog-footer{direction:rtl}
@media(max-width:760px){.catalog-header nav{gap:12px}.catalog-header nav>a:first-child{max-width:150px}.language-toggle{min-width:50px;padding-inline:8px}}
@media(max-width:520px){.catalog-header nav>a:first-child{max-width:92px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.language-menu{position:fixed;top:66px;right:14px;left:auto}html[dir="rtl"] .language-menu{right:auto;left:14px}html[dir="rtl"] .catalog-item span{right:6px}}

/* Language-specific catalog typography. */
html[lang="en"]{--catalog-font:"Segoe UI",Arial,sans-serif;--catalog-display:"Segoe UI",Arial,sans-serif}
html[lang="fr"]{--catalog-font:"Segoe UI",Arial,sans-serif;--catalog-display:"Segoe UI",Arial,sans-serif}
html[lang="zh-CN"]{--catalog-font:"Microsoft YaHei UI","Microsoft YaHei",sans-serif;--catalog-display:"DengXian","Microsoft YaHei UI","Microsoft YaHei",sans-serif}
html[lang="ar"]{--catalog-font:"Segoe UI",Tahoma,Arial,sans-serif;--catalog-display:"Segoe UI",Tahoma,Arial,sans-serif}
html body{font-family:var(--catalog-font,"Segoe UI",Arial,sans-serif)}
.catalog-heading h1{max-width:100%;font-family:var(--catalog-display,"Segoe UI",Arial,sans-serif);text-wrap:balance;overflow-wrap:break-word}
.catalog-header nav,.catalog-footer,.language-toggle,.language-menu button{font-family:var(--catalog-font,"Segoe UI",Arial,sans-serif)}
html[lang="zh-CN"] body{line-height:1.7}html[lang="zh-CN"] .catalog-heading h1{font-weight:600;line-height:1.12;letter-spacing:-.035em}html[lang="zh-CN"] .catalog-heading>p:last-child{line-height:1.75}html[lang="zh-CN"] .eyebrow{letter-spacing:.08em}
html[lang="ar"] body{font-family:var(--catalog-font);line-height:1.75}html[lang="ar"] .catalog-heading h1{font-weight:650;line-height:1.18;letter-spacing:0}html[lang="ar"] .catalog-heading>p:last-child{line-height:1.85}html[lang="ar"] .eyebrow,html[lang="ar"] .catalog-brand{letter-spacing:0;text-transform:none}html[lang="ar"] .catalog-header nav,html[lang="ar"] .catalog-footer{line-height:1.45}
html[lang="fr"] .catalog-heading h1{font-size:clamp(34px,3.8vw,58px);font-weight:550;line-height:1.06;letter-spacing:-.045em;hyphens:auto}html[lang="fr"] .catalog-header nav{font-size:12px}html[lang="fr"] .catalog-heading>p:last-child{line-height:1.65}
html[lang="en"] .catalog-heading h1{font-weight:520}
@media(max-width:520px){html[lang="zh-CN"] .catalog-heading h1{font-size:clamp(31px,8.4vw,40px)}html[lang="ar"] .catalog-heading h1{font-size:clamp(30px,8.3vw,39px);line-height:1.22}html[lang="fr"] .catalog-heading h1{font-size:clamp(29px,8vw,38px);line-height:1.1}html[lang="fr"] .catalog-header nav,html[lang="ar"] .catalog-header nav{font-size:11px}}
