Add initial order details to selector

app/page.tsx

@@ -17,7 +17,9 @@ type Requirements = {
   control: string;
   gear: string;
   annualVolume: string;
+  firstOrderQuantity: string;
   currentModel: string;
+  otherRequirements: string;
   painPoint: string;
 };
 
@@ -168,7 +170,9 @@ const DEFAULT_REQUIREMENTS: Requirements = {
   control: "不限",
   gear: "不限",
   annualVolume: "5000–50000件",
+  firstOrderQuantity: "",
   currentModel: "",
+  otherRequirements: "",
   painPoint: "交期",
 };
 
@@ -285,6 +289,7 @@ export default function Home() {
   const needsEngineer =
     !top?.coreCompatible ||
     requirements.annualVolume === "50000件以上" ||
+    Number(requirements.firstOrderQuantity) >= 1000 ||
     requirements.application === "工业设备";
 
   function update<K extends keyof Requirements>(key: K, value: Requirements[K]) {
@@ -559,6 +564,21 @@ export default function Home() {
                         <option>50000件以上</option>
                       </select>
                     </label>
+                    <label className="select-field">
+                      <span>首次采购数量（只）</span>
+                      <input
+                        className="parameter-input"
+                        type="number"
+                        min="1"
+                        step="1"
+                        inputMode="numeric"
+                        value={requirements.firstOrderQuantity}
+                        onChange={(event) => update("firstOrderQuantity", event.target.value)}
+                        placeholder="例如：500"
+                      />
+                    </label>
+                  </div>
+                  <div className="two-fields">
                     <label className="select-field">
                       <span>最想解决的问题</span>
                       <select
@@ -573,13 +593,22 @@ export default function Home() {
                         <option>二供替代</option>
                       </select>
                     </label>
+                    <label className="select-field">
+                      <span>当前使用型号（选填）</span>
+                      <input
+                        className="parameter-input"
+                        value={requirements.currentModel}
+                        onChange={(event) => update("currentModel", event.target.value)}
+                        placeholder="例如：SG90 / DS-E001"
+                      />
+                    </label>
                   </div>
-                  <label className="text-field">
-                    <span>当前使用型号（选填）</span>
-                    <input
-                      value={requirements.currentModel}
-                      onChange={(event) => update("currentModel", event.target.value)}
-                      placeholder="例如：SG90 / DS-E001 / 自定义型号"
+                  <label className="text-field project-notes">
+                    <span>其他要求备注（选填）</span>
+                    <textarea
+                      value={requirements.otherRequirements}
+                      onChange={(event) => update("otherRequirements", event.target.value)}
+                      placeholder="例如：防水等级、噪音、寿命、认证、安装尺寸、线长或交期要求"
                     />
                   </label>
                 </div>