.tu-checkout{max-width:1100px;margin:0 auto;padding:24px 16px}.tu-checkout-card{background:#fff;border:1px solid #eee;border-radius:18px;box-shadow:0 10px 24px rgba(0,0,0,.05);padding:18px}.tu-checkout-card h2{margin:0 0 14px}.tu-checkout-grid{display:grid;grid-template-columns:1fr 360px;gap:18px;align-items:start}@media (max-width:980px){.tu-checkout-grid{grid-template-columns:1fr}}.tu-field{margin-bottom:14px}.tu-field label{display:block;font-weight:600;margin-bottom:6px}.tu-field input{width:100%;padding:10px 12px;border:1px solid #e5e5e5;border-radius:10px}.tu-inline{display:flex;gap:10px;align-items:center}.tu-inline input{flex:1}.tu-help{font-size:13px;color:#777;margin-top:6px}.tu-upsells{display:flex;flex-direction:column;gap:10px}.tu-up{display:flex;justify-content:space-between;gap:10px;align-items:center;border:1px solid #f0f0f0;border-radius:12px;padding:10px 12px;background:#fafafa}.tu-up input{width:auto}.tu-up-amt{font-weight:700}.tu-summary{border:1px solid #f0f0f0;border-radius:16px;padding:14px;background:#fff}.tu-srow{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #f5f5f5}.tu-total{font-weight:800;font-size:18px}.tu-otp .tu-inline{flex-wrap:wrap}.tu-otp input{max-width:180px}