*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,sans-serif;color:#1b2430;background:#f6f7f9}header{background:#12344d;color:#fff;padding:20px 16px}header a{color:#fff;text-decoration:none}h1{margin:0;font-size:1.5rem}main{max-width:860px;margin:auto;padding:16px}.card{background:#fff;border:1px solid #dde2e8;border-radius:10px;padding:14px;margin:10px 0}.card h3{margin:0 0 4px;font-size:1.05rem}.meta{color:#566;font-size:.9rem}.pay{color:#0a6b3a;font-weight:600}.btn{display:inline-block;background:#e8792b;color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;border:0;font-size:1rem}select,input{padding:10px;border:1px solid #ccd;border-radius:8px;font-size:1rem;width:100%;margin:4px 0}.row{display:grid;gap:8px;grid-template-columns:1fr 1fr}.sponsor{border:2px dashed #e8792b;background:#fff8f2}nav a{color:#fff;margin-right:14px;font-size:.95rem}footer{color:#667;font-size:.85rem;padding:24px 16px;text-align:center}.plans{display:grid;gap:12px}@media(min-width:640px){.plans{grid-template-columns:1fr 1fr}}