body{font-family:system-ui,sans-serif;margin:0;color:#1d2433;background:#f7f8fa}main{max-width:820px;margin:auto;padding:32px 20px}
h1{font-size:2rem}.btn{display:inline-block;background:#1f6feb;color:#fff;padding:12px 20px;border-radius:8px;text-decoration:none}
table{border-collapse:collapse;width:100%;font-size:.9rem;background:#fff}td,th{border:1px solid #dde;padding:6px}.note{font-size:.85rem;color:#556}
.card{background:#fff;border:1px solid #e3e6ec;border-radius:10px;padding:16px;margin:12px 0}