:root{--bg:#fcfcfd;--card:#ffffff;--muted:#667085;--text:#101828;--border:#e4e7ec;--primary:#7c3aed;--primary2:#a78bfa}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}.container{max-width:1120px;margin:0 auto;padding:0 20px}
.header{position:sticky;top:0;backdrop-filter:blur(12px);background:rgba(255,255,255,.85);border-bottom:1px solid var(--border);z-index:50}
.nav{display:flex;justify-content:space-between;align-items:center;height:64px}
.logo{font-weight:800;font-size:20px;letter-spacing:-0.02em}.logo span{color:var(--primary)}
.badge{font-size:12px;background:#f4f3ff;color:var(--primary);padding:4px 10px;border-radius:999px;border:1px solid #e9d7fe}
.btn{padding:10px 16px;border-radius:10px;border:1px solid var(--border);background:var(--card);cursor:pointer;font-weight:600}
.btn-primary{background:var(--primary);color:white;border-color:var(--primary)}
.card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:0 4px 20px rgba(16,24,40,.04)}
.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.hero{padding:56px 0 24px}.hero h1{font-size:44px;line-height:1.05;letter-spacing:-0.03em;margin:0}.hero p{color:var(--muted);font-size:18px;max-width:640px}
.tool-grid{margin-top:28px}
.drop{border:2px dashed #d0d5dd;border-radius:16px;padding:28px;text-align:center;background:#f9fafb;cursor:pointer}
.drop.drag{background:#f4f3ff;border-color:var(--primary)}
.kbd{font-size:12px;background:#f2f4f7;padding:2px 6px;border-radius:6px;border:1px solid var(--border)}
.footer{margin-top:64px;padding:32px 0;border-top:1px solid var(--border);color:var(--muted);font-size:14px}
input[type=range]{width:100%}img.preview{max-width:100%;border-radius:12px;border:1px solid var(--border)}
.badge-soon{background:#fef3f2;color:#b42318;border-color:#fecdc2}