.sc-wrap{max-width:1200px;margin:30px auto;font-family:Arial,sans-serif}
.sc-title{font-size:36px;margin-bottom:24px;text-align:center}
.sc-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:20px}
.sc-panel{border:1px solid #ddd;padding:20px;border-radius:12px;background:#fff}
.sc-panel h3{margin-top:0;margin-bottom:14px}
.sc-preset-sizes label,.sc-materials label{display:block;margin-bottom:10px}
.sc-custom-size{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 0 8px}
.sc-custom-size input,.sc-quantity,.sc-form input[type="file"]{width:100%}
.sc-preview-box{min-height:340px;border:2px dashed #ccc;border-radius:12px;display:flex;align-items:center;justify-content:center;padding:20px;overflow:hidden;background:#fafafa}
.sc-preview-placeholder{color:#777;text-align:center}
.sc-preview-image{max-width:100%;max-height:300px;display:block;border-radius:8px}
.sc-summary p{margin:0 0 12px}
.sc-total-line{font-size:24px;margin-top:15px}
.sc-submit{width:100%;padding:14px 20px;font-size:18px;margin-top:20px}
.sc-help,.sc-file-name{font-size:14px;color:#666}
.woocommerce-notices-wrapper{margin-bottom:16px}
@media (max-width:980px){.sc-grid{grid-template-columns:1fr}}