*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;color:#1d1d1f;background:#fafafa;line-height:1.6}
.wrap{max-width:860px;margin:0 auto;padding:0 24px}header{padding:20px 0;border-bottom:1px solid #eee;background:#fff}
header .wrap{display:flex;justify-content:space-between;align-items:center}.brand{font-weight:700;letter-spacing:.2px}.brand span{color:#6d5dfc}
nav a{color:#555;text-decoration:none;margin-left:20px;font-size:15px}nav a:hover{color:#6d5dfc}
.hero{padding:88px 0 56px;text-align:center}.hero h1{font-size:46px;line-height:1.15;margin:0 0 16px;letter-spacing:-.8px}
.hero p{font-size:19px;color:#555;max-width:620px;margin:0 auto}.tag{display:inline-block;font-size:13px;color:#6d5dfc;background:#f0eeff;padding:4px 12px;border-radius:99px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;padding:24px 0 56px}
.card{background:#fff;border:1px solid #eee;border-radius:14px;padding:22px}.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:#555;font-size:15px}
section h2{font-size:26px;margin:40px 0 12px}ol,ul{color:#333}main.doc{padding:48px 0}main.doc h1{font-size:34px;margin:0 0 4px}.muted{color:#777;font-size:14px}
footer{border-top:1px solid #eee;padding:28px 0;color:#777;font-size:14px;margin-top:40px;background:#fff}footer a{color:#6d5dfc}
code{background:#f2f2f5;padding:1px 6px;border-radius:5px;font-size:14px}