:root{--fg:#0F172A;--muted:#475569;--acc:#2563EB;--bg:#FFFFFF}
*{box-sizing:border-box} html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif}
.wrap{max-width:1100px;margin:0 auto;padding:16px 24px}
.logo{font-weight:700;letter-spacing:0.02em}
.logo span{color:var(--acc)}
.nav{display:flex;gap:20px;align-items:center;float:right}
.nav a{color:var(--muted);text-decoration:none;font-weight:600}
.nav .cta{color:#fff;background:var(--acc);padding:8px 14px;border-radius:10px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:24px;padding-top:32px}
.left h1{font-size:44px;line-height:1.08;letter-spacing:-0.02em;margin:0 0 8px}
.sub{font-size:18px;color:var(--muted);letter-spacing:0.005em;margin:0 0 20px}
.uploader{display:flex;gap:12px;align-items:center}
.uploader input{display:none}
.uploader label{display:inline-block;border:1px solid #e5e7eb;padding:12px 16px;border-radius:12px;cursor:pointer;font-weight:600}
.note{font-size:12px;color:var(--muted);margin-top:10px}
.heroimg{width:100%;border-radius:12px;box-shadow:0 20px 40px rgba(2,6,23,.08)}
.foot{padding:28px 24px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid #f1f5f9;margin-top:40px}
@media (max-width:900px){.hero{grid-template-columns:1fr}.nav{display:none}.left h1{font-size:36px}}