*{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;color:#111;background:#fff}main{max-width:1100px;margin:0 auto;padding:16px}
.header,.footer{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #eee}.footer{border-top:1px solid #eee;border-bottom:0}
nav a{margin-right:12px;color:inherit}.logo{font-weight:700;color:var(--primary);text-decoration:none}
.announcement{background:var(--primary);color:#fff;text-align:center;padding:6px}.free-shipping{padding:8px 16px;text-align:center;font-size:14px}
.bar{height:6px;background:#eee;border-radius:3px;margin-top:4px}.bar span{display:block;height:100%;background:var(--accent);border-radius:3px}
.hero{padding:48px 0;text-align:center}.btn{display:inline-block;background:var(--primary);color:#fff;padding:12px 20px;border-radius:8px;border:0;text-decoration:none;font-size:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}.card{color:inherit;text-decoration:none}.card img,.product img{max-width:100%;height:auto;border-radius:8px}
.price s{color:#888}