body{margin:0;background:#fff;font:13px/1.6 "Microsoft YaHei",Tahoma,sans-serif;color:#333}.embed{display:flex;flex-direction:column;min-height:100vh;box-sizing:border-box;padding:16px;gap:12px;width:min(560px,100%)}.st{font-size:12px;color:#6b7280}.card{border:1px solid #e5e7eb;padding:12px;background:#fafafa}.card h3{margin:0 0 8px;font-size:13px;color:#ff5000}.tb{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}.btn{border:0;padding:6px 14px;background:#ff5000;color:#fff;font-size:13px;cursor:pointer;border-radius:2px}.btn.ghost{background:#fff;color:#ff5000;border:1px solid #ff5000}.btn.ghost:hover{background:#fff5f0}textarea{width:100%;box-sizing:border-box;padding:8px;border:1px solid #e5e7eb;outline:none;font:12px/1.5 Consolas,Menlo,monospace;resize:vertical;min-height:96px}textarea:focus{border-color:#ff5000}select{padding:4px 6px;border:1px solid #e5e7eb;outline:none;font-size:13px}/* 二维码展示区 */.qbox{margin-top:4px;padding:12px;background:#fff;border:1px solid #e5e7eb;display:flex;justify-content:center;align-items:center}.qbox canvas{max-width:100%;height:auto;image-rendering:pixelated}.qmeta{font-size:12px;color:#9ca3af;text-align:center;margin-top:6px}/* 尺寸多选 */.sizes{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:13px;margin-bottom:8px}.sizes .sl{color:#6b7280;font-size:12px}.sizes label{display:inline-flex;align-items:center;gap:3px;cursor:pointer}.sizes input{margin:0;cursor:pointer}.btn.sm{padding:2px 10px;font-size:12px}/* 多尺寸预览 */.preview{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px;padding:10px;background:#fff;border:1px solid #e5e7eb}.preview .pv{width:64px;padding:4px;border:1px solid #e5e7eb;cursor:pointer;box-sizing:border-box;background:#fff}.preview .pv img{width:100%;height:auto;display:block;image-rendering:pixelated}.preview .pv.on{border-color:#ff5000;box-shadow:0 0 0 1px #ff5000}/* Wi-Fi 表单输入框，复用页面既有边框与主题色 */#wf-ssid,#wf-pwd{padding:4px 6px;border:1px solid #e5e7eb;outline:none;font-size:13px}#wf-ssid:focus,#wf-pwd:focus{border-color:#ff5000}.tb label{display:inline-flex;align-items:center;gap:4px}/* 二维码识别区：拖放框 + 结果文本，复用页面既有边框与等宽字体 */.dropzone{margin-top:4px;padding:18px 12px;border:1px dashed #d1d5db;background:#fff;text-align:center;color:#9ca3af;font-size:12px}.qr-result{margin-top:8px;padding:10px;background:#fff;border:1px solid #e5e7eb}.qr-text{font:12px/1.5 Consolas,Menlo,monospace;word-break:break-all;white-space:pre-wrap;margin-bottom:8px}