:root{--ngt-bg:#fbf7ef;--ngt-surface:#f0e9dc;--ngt-text:#18223a;--ngt-muted:#6e6c6b;--ngt-accent:#2257d5;--ngt-accent2:#8058d6;--ngt-dark:#131827;}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--ngt-bg);color:var(--ngt-text);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.ngt-wrap{width:min(1180px,calc(100% - 48px));margin:auto}.ngt-top{position:relative;z-index:10}.ngt-top .ngt-wrap{min-height:78px;display:flex;align-items:center;gap:28px}.ngt-brand{display:flex;align-items:center;gap:10px;font-size:22px;letter-spacing:-.02em}.ngt-brand img{width:34px;height:34px;object-fit:contain}.ngt-top nav{display:flex;gap:26px;margin-left:auto;font-size:14px}.ngt-top nav a{opacity:.78}.ngt-top nav a:hover{opacity:1}.ngt-hero{position:relative;overflow:hidden}.ngt-hero-copy h1,.ngt-page-hero h1,.ngt-guide-hero 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dd{color:var(--ngt-muted)}.ngt-faq-dl{display:grid;grid-template-columns:minmax(220px,.8fr) 1.8fr;gap:24px 48px}.ngt-faq-dl dt{font-weight:800}.ngt-faq-dl dd{margin:0}.ngt-footer{padding:56px 0 24px;background:var(--ngt-dark);color:#fff}.ngt-foot-layout{display:flex;justify-content:space-between;gap:40px}.ngt-foot-brand{max-width:360px}.ngt-foot-brand img{width:34px;display:inline-block;vertical-align:middle;margin-right:8px}.ngt-foot-brand p{color:#b9c3d3}.ngt-foot-links{display:flex;flex-wrap:wrap;gap:24px;align-content:flex-start}.ngt-copyright{padding-top:32px;color:#8c96a8;font-size:13px}.ngt-page-hero{padding:90px 0 44px}.ngt-platform-list{list-style:none;margin:0;padding:24px 0 70px}.ngt-platform-list li{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:24px 0}.ngt-platform-list li>div{display:grid;gap:4px}.ngt-platform-list li span{color:var(--ngt-muted)}.ngt-platform-list li a{color:var(--ngt-accent);font-weight:800}.ngt-feature-story .ngt-page-hero{padding-top:76px}.ngt-feature-story .ngt-page-hero img{max-height:380px;margin:auto}.ngt-guide-mini h2{margin:0 0 6px}.ngt-guide-mini p{margin:0;color:var(--ngt-muted)}.ngt-guide-hero{padding:76px 0;background:var(--ngt-surface)}.ngt-guide-hero img{max-height:360px;margin:auto}.ngt-guide-columns{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:70px 0 100px}.ngt-guide-mini{margin-bottom:36px}.ngt-guide-mini b{color:var(--ngt-accent)}.ngt-faq-page{padding:26px 0 100px}.ngt-feature-columns{padding:40px 0 90px}.ngt-feature-columns>.ngt-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 56px}.ngt-hero-editorial{padding:86px 0}.ngt-editorial-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:78px;align-items:center}.ngt-hero-figure img{border-radius:50% 50% 18px 18px / 30% 30% 18px 18px}.ngt-hero-figure figcaption{padding-top:12px;color:var(--ngt-muted);font-size:13px}.ngt-feature-article{padding:80px 0;background:var(--ngt-surface)}.ngt-feature-article header{max-width:720px;margin-bottom:52px}.ngt-editorial-list{grid-template-columns:repeat(2,1fr)}.ngt-product-note{padding:90px 0}.ngt-product-note img{max-height:380px;margin:auto}@media(max-width:860px){.ngt-wrap{width:min(100% - 28px,1180px)}.ngt-top .ngt-wrap{min-height:68px}.ngt-top nav{display:none}.ngt-brand{font-size:19px}.ngt-hero-copy h1,.ngt-page-hero h1,.ngt-guide-hero h1{font-size:40px}.ngt-editorial-grid,.ngt-two-col,.ngt-guide-hero .ngt-two-col{grid-template-columns:1fr}.ngt-feature-columns>.ngt-wrap,.ngt-guide-columns{grid-template-columns:1fr}.ngt-reviews-row{grid-template-columns:1fr 1fr}.ngt-faq-dl{grid-template-columns:1fr;gap:8px}.ngt-faq-dl dd{margin-bottom:24px}.ngt-page-hero{padding-top:62px}.ngt-foot-layout{display:grid}.ngt-download-actions{gap:8px}.ngt-btn{font-size:14px;padding:11px 14px}}@media(max-width:520px){.ngt-reviews-row{grid-template-columns:1fr}.ngt-download-actions .ngt-btn{flex:1 1 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/* V2 hero: visual first, then copy */
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