:root{--bg:oklch(1 0 0);--surface:oklch(.9791 0 0);--surface2:oklch(.943 0 0);--fg:rgb(66,70,73);--muted:oklch(.5668 .0067 239.9);--border:oklch(.9097 0 0);--accent:rgb(9,104,177);--accent-hover:oklch(.4483 .1392 249.74);--on:oklch(1 0 0);--max:1224px;--font:Lato,"Microsoft YaHei","PingFang SC",sans-serif}
*{box-sizing:border-box}html{color-scheme:light}body{margin:0;color:var(--fg);font:16px/1.72 var(--font);overflow-x:hidden}body.menu-open{overflow:hidden}img{display:block;width:100%}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.skip{position:fixed;left:16px;top:10px;z-index:99;padding:10px 14px;background:var(--fg);color:#fff;transform:translateY(-150%)}.skip:focus{transform:none}.utility{background:var(--fg);color:#fff;font-size:12px}.utility .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:20px}.utility-links{display:flex;gap:22px}.header{border-bottom:1px solid var(--border);background:#fff}.header-row{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px}.mark{width:48px;height:48px;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:700}.brand strong{display:block;font-size:20px;line-height:1.1}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em}.nav{display:flex;align-self:stretch}.nav a{min-height:86px;padding:0 15px;display:grid;place-items:center;color:var(--accent);font-size:14px;font-weight:700;border-bottom:3px solid transparent}.nav a:hover,.nav a[aria-current=page]{background:var(--surface);border-color:var(--accent)}.menu{display:none;width:48px;height:48px;border:1px solid var(--border);background:#fff}.menu::before{content:"菜单";font-weight:700}.hero{min-height:520px;display:grid;align-items:end;position:relative;background:#333 center/cover no-repeat;color:#fff;isolation:isolate}.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,oklch(.16 .02 240/.82),oklch(.16 .02 240/.22))}.hero-copy{padding:88px 0;width:min(720px,100%)}.kicker,.eyebrow{margin:0 0 12px;color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.14em}.hero .kicker{color:#fff}.hero h1{margin:0;font-size:clamp(2.4rem,5vw,4.7rem);line-height:1.05;letter-spacing:-.035em}.hero p{font-size:18px;max-width:650px}.button{min-height:48px;padding:0 22px;border:1px solid var(--accent);display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}.button:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.button.ghost{background:transparent;border-color:#fff;margin-left:14px}.button.ghost:hover{background:#fff;color:var(--fg)}.section{padding:86px 0}.alt{background:var(--surface)}.heading{margin:0 0 42px;font-size:clamp(2rem,3vw,3rem);line-height:1.15}.heading::after{content:"";display:block;width:72px;height:4px;margin-top:17px;background:var(--accent)}.lead{font-size:19px;max-width:760px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.media{min-height:380px;height:100%;object-fit:cover}.card{border:1px solid var(--border);background:#fff}.card img{aspect-ratio:4/3;object-fit:cover}.card-body{padding:22px}.card h2,.card h3{margin:0 0 8px;line-height:1.3}.card p{margin:0;color:var(--muted)}.card-link{display:block;transition:transform .18s,border-color .18s}.card-link:hover{transform:translateY(-3px);border-color:var(--accent)}.metrics{padding:42px 0;background:var(--surface2)}.metric{text-align:center;padding:28px 14px;background:#fff}.metric strong{display:block;color:var(--accent);font-size:clamp(2rem,3vw,3rem);line-height:1}.split-list{list-style:none;margin:24px 0 0;padding:0}.split-list li{padding:16px 0;border-top:1px solid var(--border)}.split-list b{color:var(--accent);margin-right:12px}.page-hero{min-height:390px}.process{counter-reset:step}.process .card-body::before{counter-increment:step;content:"0" counter(step);display:block;color:var(--accent);font-weight:700;margin-bottom:28px}.product-controls{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}.filter{min-height:44px;padding:0 16px;border:1px solid var(--border);background:#fff;font-weight:700}.filter[aria-pressed=true]{background:var(--accent);color:#fff;border-color:var(--accent)}.product[hidden]{display:none}.cert{padding:18px;border:1px solid var(--border);background:#fff}.cert img{aspect-ratio:4/3;object-fit:contain}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}.contact-list{display:grid;gap:18px}.contact-item{padding:20px;border-top:4px solid var(--accent);background:var(--surface)}.form{padding:30px;background:var(--surface)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:grid;gap:6px}.full{grid-column:1/-1}.field input,.field textarea,.field select{width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--border);background:#fff}.field textarea{min-height:140px}.status{font-weight:700;color:var(--accent)}.cta{padding:66px 0;background:var(--accent);color:#fff}.cta-row{display:flex;justify-content:space-between;align-items:center;gap:32px}.cta h2{margin:0;font-size:clamp(2rem,3vw,3.2rem)}.cta .button{background:#fff;color:var(--fg);border-color:#fff}.footer{background:var(--fg);color:#fff}.footer-grid{padding:46px 0;display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:44px}.footer p,.footer a{font-size:13px;color:oklch(1 0 0/.78)}.footer nav{display:grid;gap:6px}.copyright{padding:15px 0;border-top:1px solid oklch(1 0 0/.15);font-size:12px;color:oklch(1 0 0/.65)}
@media(max-width:900px){.menu{display:block}.nav{display:none;position:absolute;z-index:30;top:120px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:12px 20px}.menu-open .nav{display:grid}.nav a{min-height:52px;justify-items:start}.grid4,.grid3{grid-template-columns:repeat(2,1fr)}.grid2,.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero{min-height:470px}}
@media(max-width:600px){.utility span{display:none}.utility .container{justify-content:center}.utility-links{gap:14px}.header-row{min-height:76px}.brand small{display:none}.nav{top:110px}.hero-copy{padding:64px 0}.hero h1{font-size:2.55rem}.section{padding:62px 0}.grid4,.grid3,.fields,.footer-grid{grid-template-columns:1fr}.full{grid-column:auto}.cta-row{display:grid}.button.ghost{margin:12px 0 0}.page-hero{min-height:340px}}
.media-figure{margin:0;position:relative;min-width:0}.media-figure figcaption{position:absolute;right:14px;bottom:14px;max-width:calc(100% - 28px);padding:8px 11px;background:oklch(.16 .01 240/.86);color:#fff;font-size:12px;box-shadow:0 8px 24px oklch(.2 .01 240/.2)}
.nav{margin-left:auto}.language-switch{min-width:52px;min-height:44px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--accent);color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.04em}.language-switch:hover{background:var(--accent);color:#fff}.menu::before{content:attr(data-label)}
@media(max-width:900px){.menu{margin-left:auto}}
@media(max-width:600px){.header-row{gap:10px}.language-switch{min-width:48px;padding:0 8px}}
.catalog-heading-row{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:28px}.catalog-heading-row .heading{margin-bottom:0}.catalog-summary{margin:0;padding:14px 18px;border:1px solid var(--border);background:var(--surface);color:var(--muted);white-space:nowrap}.catalog-summary strong{color:var(--fg);font-size:1.25rem}.catalog-status{min-height:28px;margin:0 0 18px;color:var(--muted);font-size:14px}.product-type{margin:0 0 8px!important;color:var(--muted)!important;font-size:11px;font-weight:700;letter-spacing:.08em}.product .card-body{display:flex;min-height:190px;flex-direction:column}.product .card-body>p:last-child{margin-top:auto}.product{transition:border-color .18s ease,transform .18s ease}.product:hover{border-color:var(--accent);transform:translateY(-3px)}
@media(max-width:700px){.catalog-heading-row{display:grid;align-items:start}.catalog-summary{white-space:normal}.product .card-body{min-height:0}}
.form-honeypot{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important}.field-error{min-height:1.35em;color:#a3261f;font-size:13px;font-weight:700}.field input[aria-invalid=true],.field textarea[aria-invalid=true]{border-color:#a3261f;box-shadow:0 0 0 1px #a3261f}.privacy-consent{display:flex;align-items:flex-start;gap:10px;margin:18px 0;font-size:14px;line-height:1.55}.privacy-consent input{width:20px;height:20px;margin-top:2px;flex:0 0 auto}.privacy-consent a{text-decoration:underline;color:var(--accent)}.status.success{color:#267044}.status.error{color:#a3261f}.button:disabled{cursor:wait;opacity:.7}.footer a:hover,.footer a:focus-visible{text-decoration:underline}.record-links{margin-left:4px}.record-links[hidden]{display:none}.legal-page{min-height:65vh}.legal-content{max-width:860px}.legal-content h2{margin:42px 0 10px;font-size:1.45rem}.legal-content a{color:var(--accent);text-decoration:underline}.error-page{min-height:100vh;display:grid;place-items:center;padding:32px;background:var(--surface)}.error-card{width:min(620px,100%);padding:54px;background:#fff;border-top:5px solid var(--accent);box-shadow:0 18px 48px rgba(0,0,0,.12)}.error-card h1{margin:16px 0 12px;font-size:clamp(2.2rem,6vw,4rem);line-height:1.05}.error-card .mark{margin-bottom:32px}img{height:auto}