:root{--blue:#1598d2;--ink:#17232d;--muted:#64717b;--line:#dfe6ea;--soft:#f5f8fa;--white:#fff;--width:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.65;letter-spacing:0}
button,a{font:inherit}
a{color:inherit;text-decoration:none}
button{cursor:pointer}
img{display:block;max-width:100%}
.wrap{width:min(var(--width),calc(100% - 64px));margin-inline:auto}
.site-header{position:relative;z-index:10;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:84px;gap:30px}
.brand{display:inline-flex;align-items:center;flex:none}
.brand img{width:171px;height:auto}
.header-actions{display:flex;align-items:center;gap:42px}
.nav{display:flex;align-items:center;gap:42px}
.nav a{position:relative;font-size:15px;font-weight:600;white-space:nowrap;padding:28px 0;color:#26343d}
.nav a:hover,.nav a[aria-current=page]{color:var(--blue)}
.nav a[aria-current=page]::after{content:"";position:absolute;left:0;right:0;bottom:19px;height:2px;background:var(--blue)}
.language-button{border:0;border-left:1px solid var(--line);background:transparent;padding:3px 0 3px 27px;font-size:14px;font-weight:700;min-width:52px;text-align:right;color:var(--ink)}
.language-button:hover{color:var(--blue)}
.menu-button{display:none;align-items:center;justify-content:center;width:42px;height:42px;padding:0;border:0;background:transparent;color:var(--ink)}
.menu-lines,.menu-lines::before,.menu-lines::after{display:block;width:23px;height:2px;background:currentColor;position:relative;content:"";transition:transform .2s}
.menu-lines::before{position:absolute;top:-7px}
.menu-lines::after{position:absolute;top:7px}
.menu-button[aria-expanded=true] .menu-lines{background:transparent}
.menu-button[aria-expanded=true] .menu-lines::before{transform:translateY(7px) rotate(45deg)}
.menu-button[aria-expanded=true] .menu-lines::after{transform:translateY(-7px) rotate(-45deg)}
.hero{min-height:500px;background:#f3f6f8 url("assets/hero-studio.jpg") center center/cover no-repeat;display:flex;align-items:flex-start}
.hero-content{padding:65px 0 70px}
.hero h1{font-size:clamp(35px,3.6vw,54px);line-height:1.25;margin:0 0 18px;max-width:440px;font-weight:750;color:#111b23}
.hero-subtitle{font-size:21px;color:#52616c;font-weight:600;margin:0 0 34px}
.text-link{display:inline-flex;align-items:center;gap:13px;color:#087fb7;font-size:17px;font-weight:700;white-space:nowrap}
.text-link:hover{color:#075b81}
.arrow{font-size:24px;line-height:1;transition:transform .2s}
.text-link:hover .arrow{transform:translateX(5px)}
.section{padding:78px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
h2{font-size:32px;line-height:1.3;margin:0;font-weight:750}
.section-head .text-link{font-size:14px}
.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.category-link{display:block;min-width:0}
.category-image{height:238px;display:flex;align-items:center;justify-content:center;background:#fff;overflow:hidden}
.category-image img{width:100%;height:100%;object-fit:contain;transition:transform .25s}
.category-link:hover img{transform:scale(1.035)}
.category-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding:16px 2px 0;font-size:19px;font-weight:700}
.category-meta .arrow{font-size:21px;color:var(--blue)}
.intro-band{background:var(--soft);padding:64px 0}
.intro-layout{display:grid;grid-template-columns:1fr 1.1fr;align-items:start;gap:90px}
.intro-layout h2{font-size:28px}
.intro-layout p{margin:0;font-size:17px;line-height:1.95;color:#4e5d66;max-width:580px}
.contact-band{padding:68px 0;border-top:1px solid var(--line)}
.contact-band-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.contact-band h2{margin-bottom:8px;font-size:27px}
.contact-band p{margin:0;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);padding:32px 0 42px;color:#6e7b84;font-size:13px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
.footer-brand{display:flex;align-items:center;gap:24px}
.footer-brand img{width:112px;height:auto}
.footer-nav{display:flex;gap:23px}
.footer-nav a:hover{color:var(--blue)}
.page-intro{padding:69px 0 36px}
.eyebrow{color:#0088be;font-size:13px;font-weight:800;text-transform:uppercase;margin:0 0 11px}
.page-intro h1{font-size:clamp(34px,3.2vw,48px);line-height:1.25;margin:0 0 15px}
.page-intro p:last-child{max-width:690px;margin:0;color:var(--muted);font-size:17px}
.category-tabs{display:flex;gap:34px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;background:#fff}
.category-tabs a{padding:18px 0;font-size:15px;font-weight:700;white-space:nowrap}
.category-tabs a:hover,.category-tabs a.active{color:var(--blue)}
.product-section{scroll-margin-top:70px;padding:62px 0 28px}
.product-section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:20px}
.product-section-head h2{font-size:30px}
.product-section-head p{margin:0;color:var(--muted);font-size:14px}
.product-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.product-item{min-width:0;padding:19px 14px 23px;border-bottom:1px solid var(--line)}
.product-media{height:165px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:10px}
.product-media img{width:100%;height:100%;object-fit:contain}
.product-item h3{font-size:15px;line-height:1.45;margin:0;font-weight:700;overflow-wrap:anywhere}
.products-outro{padding:42px 0 85px;color:var(--muted)}
.products-outro p{margin:0 0 14px}
.contact-page{min-height:calc(100vh - 84px - 121px)}
.contact-content{padding:28px 0 90px}
.contact-list{border-top:1px solid var(--line);max-width:780px}
.contact-item{display:grid;grid-template-columns:170px 1fr;gap:24px;padding:25px 0;border-bottom:1px solid var(--line)}
.contact-item dt{font-size:14px;color:var(--muted)}
.contact-item dd{margin:0;font-size:19px;font-weight:600;overflow-wrap:anywhere}
.contact-item a:hover{color:var(--blue)}
:focus-visible{outline:3px solid #77c8ec;outline-offset:3px}
@media(max-width:1100px){.hero{position:relative;min-height:660px;background:#f3f6f8;overflow:hidden}.hero::after{content:"";position:absolute;inset:auto 0 0;height:430px;background:url("assets/hero-studio.jpg") center center/cover no-repeat}.hero-content{position:relative;z-index:1;padding-top:44px}.hero h1{font-size:44px;max-width:650px}}
@media(max-width:900px){.wrap{width:min(var(--width),calc(100% - 40px))}.header-actions{gap:14px}.nav{gap:20px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.category-image{height:180px}.product-list{grid-template-columns:repeat(3,minmax(0,1fr))}.intro-layout{gap:35px}}
@media(max-width:680px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:67px;gap:10px}.brand img{width:130px}.menu-button{display:flex;order:2}.header-actions{gap:4px}.language-button{order:1;border:0;padding:6px 9px;min-width:45px}.nav{display:none;position:absolute;top:67px;left:0;right:0;padding:10px 18px 19px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 20px rgba(25,50,65,.08);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:13px 5px}.nav a[aria-current=page]::after{display:none}.hero{min-height:600px}.hero::after{height:385px;background-size:auto 100%;background-position:58% bottom}.hero-content{padding:36px 0}.hero h1{font-size:34px;max-width:340px;line-height:1.3}.hero-subtitle{font-size:16px;margin-bottom:19px}.text-link{font-size:15px}.section{padding:55px 0}.section-head{margin-bottom:20px}h2{font-size:25px}.section-head .text-link{font-size:13px}.category-grid{display:block}.category-link{display:flex;align-items:center;gap:20px;border-top:1px solid var(--line);padding:12px 0}.category-link:last-child{border-bottom:1px solid var(--line)}.category-image{width:42%;height:112px;flex:none}.category-meta{width:58%;border:0;padding:0;font-size:17px}.intro-band{padding:48px 0}.intro-layout{display:block}.intro-layout h2{margin-bottom:17px}.intro-layout p{font-size:15px}.contact-band{padding:46px 0}.contact-band-inner{align-items:start;flex-direction:column;gap:16px}.contact-band h2{font-size:24px}.site-footer{padding:28px 0}.footer-inner{align-items:flex-start;flex-direction:column}.footer-brand{align-items:flex-start;flex-direction:column;gap:11px}.footer-brand img{width:106px}.page-intro{padding:45px 0 28px}.page-intro p:last-child{font-size:15px}.category-tabs{gap:26px;overflow-x:auto;scrollbar-width:none}.category-tabs::-webkit-scrollbar{display:none}.category-tabs a{font-size:14px;padding:14px 0}.product-section{padding:44px 0 10px}.product-section-head{align-items:start;flex-direction:column;gap:5px}.product-section-head h2{font-size:25px}.product-list{grid-template-columns:repeat(2,minmax(0,1fr))}.product-item{padding:12px 8px 18px}.product-media{height:130px;margin-bottom:8px}.product-item h3{font-size:13px}.products-outro{padding:30px 0 65px}.contact-content{padding:12px 0 70px}.contact-item{grid-template-columns:1fr;gap:3px;padding:20px 0}.contact-item dd{font-size:17px}.contact-page{min-height:0}}
@media(max-width:380px){.hero h1{font-size:30px}.product-media{height:112px}.product-item h3{font-size:12px}.section-head{gap:8px}.section-head h2{font-size:23px}.section-head .text-link{font-size:12px}}