.landing{height:100vh;display:flex;flex-direction:column;background:#f5f7fb;color:#111827;font-family:PingFang SC,Microsoft YaHei,-apple-system,sans-serif;overflow:hidden}.landing a{color:inherit;text-decoration:none}.land-header{justify-content:space-between;padding:16px clamp(24px,6vw,80px);background:#f5f7fb}.land-brand,.land-header{display:flex;align-items:center}.land-brand{gap:10px;font-size:17px;font-weight:600;color:#111827}.land-brand img{width:28px;height:28px;border-radius:7px;object-fit:cover}.land-header-actions{display:flex;align-items:center;gap:20px}.land-btn-primary,a.land-btn-primary{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 22px;border-radius:9px;background:#18181b;color:#f8fafc;font-size:14px;font-weight:500;transition:background-color .2s ease}.land-btn-primary:hover,a.land-btn-primary:hover{background:#2a2a31}.land-btn-big{height:46px;padding:0 30px;font-size:15px}.land-btn-text{font-size:14px;color:#64748b;transition:color .2s ease}.land-btn-text:hover{color:#3f6df6}.land-hero{flex:1 1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:clamp(28px,6vh,72px) 24px clamp(20px,4vh,48px)}.land-hero h1{margin:0;max-width:780px;font-size:clamp(30px,4.6vw,48px);font-weight:700;line-height:1.25;color:#111827;letter-spacing:.5px}.land-hero p{margin:clamp(12px,2.4vh,22px) 0 0;max-width:620px;font-size:16px;line-height:1.8;color:#64748b}.land-hero-ctas{display:flex;align-items:center;gap:28px;margin-top:clamp(22px,4.5vh,40px);flex-wrap:wrap;justify-content:center}.land-section{padding:0 clamp(24px,6vw,80px) clamp(28px,5vh,64px)}.land-features{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;gap:20px;max-width:1160px;margin:0 auto}.land-feature-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:26px 24px 24px;transition:border-color .2s ease,box-shadow .2s ease}.land-feature-card:hover{border-color:rgba(63,109,246,.35);box-shadow:0 8px 24px rgba(17,24,39,.06)}.land-feature-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:11px;background:#f4f6fa;border:1px solid #e5e7eb;color:#18181b;font-size:20px}.land-feature-card h3{margin:18px 0 0;font-size:15px;font-weight:600;color:#111827;letter-spacing:.3px}.land-feature-list{margin:14px 0 0;padding:14px 0 0;border-top:1px solid #f0f1f4;list-style:none;display:flex;flex-direction:column;gap:9px}.land-feature-list li{position:relative;padding-left:14px;font-size:13px;line-height:1.5;color:#64748b}.land-feature-list li:before{content:"";position:absolute;left:0;top:8px;width:4px;height:4px;border-radius:50%;background:#c3cad6}.land-footer{border-top:1px solid #e5e7eb;padding:clamp(16px,2.6vh,28px) clamp(24px,6vw,80px);display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;flex-shrink:0}.land-footer-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:#111827}.land-footer-brand img{width:22px;height:22px;border-radius:6px;object-fit:cover}.land-footer-copy{margin:0;font-size:12px;color:#64748b}.land-footer-copy a{color:#64748b}.land-footer-copy a:hover{color:#3f6df6}@media (max-width:960px){.landing{height:auto;min-height:100vh;overflow:visible}.land-features{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.land-features{grid-template-columns:1fr}}