.pd-addon-section{margin:24px 0;padding:20px;background:#fff;border:1px solid #e5e7eb;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.04)}.pd-addon-section-title{margin:0 0 14px;padding:0 0 10px;border-bottom:1px solid #f3f4f6;font-size:15px;font-weight:600;color:#1d2327;letter-spacing:.2px}.pd-addon-list{display:flex;flex-direction:column;gap:10px}.pd-addon-card{display:flex;align-items:center;gap:14px;padding:12px;background:#fff;border:2px solid #e5e7eb;border-radius:10px;cursor:pointer;transition:border-color 0.15s ease,background 0.15s ease}.pd-addon-card:hover{border-color:#93c5fd}.pd-addon-card.is-selected,.pd-addon-card:has(input:checked){border-color:#2271b1;background:#eff6ff}.pd-addon-card input[type="checkbox"]{margin:0;flex-shrink:0}.pd-addon-thumb{flex-shrink:0;width:80px;height:80px;overflow:hidden;border-radius:8px;background:#f3f4f6}.pd-addon-thumb img{width:100%;height:100%;object-fit:cover;display:block}.pd-addon-info{flex:1 1 auto;min-width:0}.pd-addon-title{font-size:14px;font-weight:600;color:#1f2937;margin-bottom:4px;line-height:1.4;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.pd-addon-price{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}.pd-addon-price del{color:#9ca3af;font-size:12px}.pd-addon-special{color:#dc2626;font-size:15px;font-weight:700}.pd-addon-details-btn{background:none;border:none;padding:0;color:#2271b1;font-size:12px;cursor:pointer;text-decoration:underline}.pd-addon-details-btn:hover{color:#135e96}.pd-addon-modal{max-width:640px;width:calc(100% - 32px);max-height:90vh;padding:0;border:none;border-radius:12px;background:#fff;box-shadow:0 24px 64px rgba(0,0,0,.22);overflow:hidden;display:flex;flex-direction:column}.pd-addon-modal::backdrop{background:rgba(15,23,42,.6);backdrop-filter:blur(2px)}.pd-addon-modal-body{flex:1 1 auto;overflow-y:auto;padding:0}.pd-addon-detail-header{display:flex;gap:18px;padding:24px;border-bottom:1px solid #f1f5f9}.pd-addon-detail-header img{width:180px;height:180px;object-fit:cover;border-radius:10px;flex-shrink:0;background:#f3f4f6}.pd-addon-detail-header h3{margin:0 0 8px;font-size:18px;line-height:1.4;color:#111827}.pd-addon-detail-price{display:flex;align-items:baseline;gap:10px;margin-bottom:10px}.pd-addon-detail-price del{color:#9ca3af;font-size:13px}.pd-addon-detail-price strong{color:#dc2626;font-size:18px;font-weight:700}.pd-addon-detail-excerpt{color:#4b5563;font-size:13px;line-height:1.6}.pd-addon-detail-body{padding:20px 24px;color:#374151;font-size:14px;line-height:1.7}.pd-addon-detail-body img{max-width:100%;height:auto}.pd-addon-modal-footer{padding:16px 24px;background:#fff;border-top:1px solid #e5e7eb;flex-shrink:0;position:sticky;bottom:0}.pd-addon-modal-footer .pd-addon-confirm{width:100%;padding:12px 0;font-size:15px;font-weight:600}.pd-addon-modal-fallback{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:99999}@media (max-width:600px){.pd-addon-detail-header{flex-direction:column;align-items:center;text-align:center}.pd-addon-detail-header img{width:140px;height:140px}}.pd-addon-fixed-qty{display:inline-block;padding:6px 12px;background:#f3f4f6;color:#6b7280;border-radius:4px;font-weight:600;min-width:36px;text-align:center}