Add silent servo category

app/globals.css

@@ -230,7 +230,7 @@ select:focus, input:focus, textarea:focus { border-color: var(--blue); box-shado
 .section-heading > p { max-width: 480px; margin: 0; color: #6e7a8e; line-height: 1.8; font-size: 13px; }
 .catalog-summary {
   display: grid;
-  grid-template-columns: repeat(7, 1fr);
+  grid-template-columns: repeat(8, 1fr);
   gap: 9px;
   margin-bottom: 22px;
 }
@@ -451,6 +451,7 @@ footer > span { color: #9aa4b2; font-size: 10px; }
   .hero-copy { max-width: 760px; }
   .selector-shell { width: min(100%, 720px); }
   .how-section { gap: 45px; }
+  .catalog-summary { grid-template-columns: repeat(4, 1fr); }
   .catalog-grid { grid-template-columns: repeat(2, 1fr); }
   .catalog-image-button { height: 260px; }
 }
@@ -475,7 +476,6 @@ footer > span { color: #9aa4b2; font-size: 10px; }
   .capability-strip div:nth-child(2) { border-right: 0; }
   .section-heading { align-items: flex-start; flex-direction: column; gap: 18px; }
   .catalog-summary { grid-template-columns: repeat(2, 1fr); }
-  .catalog-summary button:last-child { grid-column: 1 / -1; }
   .catalog-toolbar { top: 64px; }
   .catalog-grid { grid-template-columns: 1fr; gap: 15px; }
   .catalog-image-button { height: 280px; }

app/page.tsx

@@ -39,6 +39,7 @@ const CATALOG_CATEGORIES = [
   "全金属舵机",
   "大扭矩舵机",
   "积木舵机",
+  "静音舵机",
   "标准齿轮箱",
   "翻盖电机",
 ];
@@ -63,6 +64,8 @@ function getFeaturedSpecs(product: CatalogProduct) {
 }
 
 const SERVO_CATEGORIES = ["标准舵机", "异形舵机", "全金属舵机", "大扭矩舵机", "积木舵机"];
+const SILENT_SERVO_CATEGORY = "静音舵机";
+const SELECTOR_CATEGORIES = [...SERVO_CATEGORIES, SILENT_SERVO_CATEGORY];
 const TORQUE_MIN = 0.09;
 const TORQUE_MAX = 920;
 const TORQUE_PRESETS = [0.1, 1, 5, 20, 100, 300, 920];
@@ -80,6 +83,17 @@ function parseNumbers(value = "") {
   return (value.match(/\d+(?:\.\d+)?/g) ?? []).map(Number);
 }
 
+function isSilentServo(product: CatalogProduct) {
+  return SERVO_CATEGORIES.includes(product.category) &&
+    [product.name, ...Object.values(product.specs)].join(" ").includes("静音");
+}
+
+const SILENT_SERVO_COUNT = CATALOG_PRODUCTS.filter(isSilentServo).length;
+
+function getCategoryCount(category: string) {
+  return category === SILENT_SERVO_CATEGORY ? SILENT_SERVO_COUNT : CATALOG_COUNTS[category];
+}
+
 function inferWeight(product: CatalogProduct) {
   const listedWeight = parseNumbers(product.specs["重量"])[0];
   if (Number.isFinite(listedWeight)) return listedWeight;
@@ -152,6 +166,7 @@ const SELECTOR_PRODUCTS = CATALOG_PRODUCTS.filter((product) =>
     voltageMin: voltageValues[0] ?? ratedVoltage,
     voltageMax: voltageValues.at(-1) ?? ratedVoltage,
     weight: inferWeight(product),
+    isSilent: isSilentServo(product),
     gear: classifyGear(product.specs["齿轮材质"]),
     angle: product.specs["可操作角度"] ?? product.specs["操作角度范围"] ?? "",
     control,
@@ -186,8 +201,9 @@ function getMatches(requirements: Requirements) {
   return SELECTOR_PRODUCTS.map((product) => {
     let score = 20;
     const reasons: string[] = [];
-    const categoryOk =
+    const categoryOk = requirements.category === "全部舵机" ||
-      requirements.category === "全部舵机" || requirements.category === product.category;
+      requirements.category === product.category ||
+      (requirements.category === SILENT_SERVO_CATEGORY && product.isSilent);
     const torqueOk = product.torque >= requirements.torque;
     const voltageOk = requirements.voltage === product.ratedVoltage;
     const weightOk =
@@ -275,7 +291,9 @@ export default function Home() {
     const query = catalogQuery.trim().toLowerCase();
     return CATALOG_PRODUCTS.filter((product) => {
       const matchesCategory =
-        catalogCategory === "全部产品" || product.category === catalogCategory;
+        catalogCategory === "全部产品" ||
+        product.category === catalogCategory ||
+        (catalogCategory === SILENT_SERVO_CATEGORY && isSilentServo(product));
       if (!matchesCategory) return false;
       if (!query) return true;
       const haystack = [
@@ -427,9 +445,9 @@ export default function Home() {
                         onChange={(event) => update("category", event.target.value)}
                       >
                         <option value="全部舵机">全部舵机（243款）</option>
-                        {SERVO_CATEGORIES.map((category) => (
+                        {SELECTOR_CATEGORIES.map((category) => (
                           <option key={category} value={category}>
-                            {category}（{CATALOG_COUNTS[category]}款）
+                            {category}（{getCategoryCount(category)}款）
                           </option>
                         ))}
                       </select>
@@ -742,7 +760,7 @@ export default function Home() {
             <p className="eyebrow"><span /> 官方产品目录 · 2026.06</p>
             <h2>完整收录280个产品型号</h2>
           </div>
-          <p>覆盖标准、异形、全金属、大扭矩和积木舵机，以及标准齿轮箱与翻盖电机。参数来自高徳乐官方产品型号表。</p>
+          <p>覆盖标准、异形、静音、全金属、大扭矩和积木舵机，以及标准齿轮箱与翻盖电机。参数来自高徳乐官方产品型号表。</p>
         </div>
 
         <div className="catalog-summary" aria-label="产品分类统计">
@@ -756,7 +774,7 @@ export default function Home() {
                 setCatalogLimit(24);
               }}
             >
-              <strong>{CATALOG_COUNTS[category]}</strong>
+              <strong>{getCategoryCount(category)}</strong>
               <span>{category}</span>
             </button>
           ))}