:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#111;background:#fafafa}a{color:inherit;text-decoration:none}.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid #e5e5e5;background:#fff;position:-webkit-sticky;position:sticky;top:0}.nav nav{display:flex;gap:18px;font-size:14px}.brand{font-weight:800;letter-spacing:-.5px;font-size:20px}.page{max-width:1080px;margin:0 auto;padding:28px 20px 60px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:18px;gap:18px}.card{background:#fff;border:1px solid #e8e8e8;border-radius:12px;padding:14px}.card h3{margin:0 0 6px;font-size:16px}.muted{color:#666;font-size:14px}.price{font-weight:700;margin:8px 0}.btn,button{display:inline-block;border:0;border-radius:8px;background:#111;color:#fff;padding:10px 16px;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:default}input,select{width:100%;padding:10px;border:1px solid #d5d5d5;border-radius:8px;margin:4px 0 12px;font-size:14px}.row{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.footer{border-top:1px solid #e5e5e5;padding:24px;text-align:center;color:#666;font-size:13px}.notice{background:#fff8e1;border:1px solid #f0d98a;padding:10px 12px;border-radius:8px;font-size:14px}