:root{--ink:#10262a;--muted:#617276;--line:#dce7e5;--soft:#f3f8f7;--teal:#007f78;--teal-dark:#00645f;--cyan:#6bc9c3;--white:#fff;--danger:#b42318;--shadow:0 16px 45px rgba(16,38,42,.09);--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{background:#0d282c;color:#c8d9d7;font-size:12px}.topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}.site-header{height:78px;background:rgba(255,255,255,.97);position:sticky;top:0;z-index:50;border-bottom:1px solid 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@media(max-width:600px){.container{width:min(100% - 28px,var(--max))}.brand small{display:none}.brand-mark{width:36px;height:36px}.lang-btn{padding:0 9px}.hero{min-height:590px}.hero h1{font-size:34px}.hero p{font-size:15px}.actions{flex-direction:column;align-items:stretch}.section{padding:62px 0}.section-head{align-items:start;flex-direction:column}.section-head h2,.split-copy h2{font-size:29px}.feature-grid,.product-grid,.news-grid,.about-values{grid-template-columns:1fr}.feature{border-right:0;border-bottom:1px solid var(--line)}.feature:last-child{border-bottom:0}.page-hero{padding:52px 0}.page-hero h1{font-size:34px}.form-grid{grid-template-columns:1fr}.form-group.full{grid-column:auto}.article-header h1{font-size:30px}.footer-grid{grid-template-columns:1fr;gap:34px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.product-detail{gap:28px}}