Refine responsive catalog and branding

app/globals.css

@@ -39,24 +39,22 @@ a { color: inherit; text-decoration: none; }
   border-bottom: 1px solid rgba(16,24,43,.08);
   backdrop-filter: blur(14px);
 }
-.brand { display: inline-flex; align-items: center; gap: 11px; }
+.brand { display: inline-flex; align-items: center; }
-.brand-mark {
+.brand-wordmark { display: grid; gap: 3px; }
-  width: 38px; height: 38px; border-radius: 11px;
+.brand-wordmark strong {
-  display: grid; place-items: center;
+  color: var(--ink); font-family: Arial, "Helvetica Neue", sans-serif;
-  color: white; font-size: 21px; font-weight: 900; font-style: italic;
+  font-size: 18px; font-style: italic; font-weight: 900; letter-spacing: .045em; line-height: .9;
-  background: linear-gradient(145deg, #2d75ff, #0e48b9);
-  box-shadow: 0 7px 18px rgba(24,94,232,.25);
 }
-.brand > span:last-child { display: grid; gap: 1px; }
+.brand-wordmark small { color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .16em; line-height: 1; }
-.brand strong { font-size: 14px; letter-spacing: .08em; line-height: 1; }
-.brand small { color: var(--muted); font-size: 10px; letter-spacing: .04em; }
 .site-header nav { display: flex; gap: 34px; font-size: 14px; color: #536078; }
 .site-header nav a:hover { color: var(--blue); }
+.header-actions { display: flex; align-items: center; gap: 8px; }
 .header-cta {
   border: 0; border-radius: 10px; padding: 11px 17px;
   background: var(--ink); color: white; cursor: pointer; font-weight: 650;
 }
 .header-cta span { margin-left: 8px; color: #82aaff; }
+.mobile-menu-toggle { display: none; }
 
 .hero {
   min-height: 720px;
@@ -298,6 +296,7 @@ select:focus, input:focus, textarea:focus { border-color: var(--blue); box-shado
   background: #e9edf3;
   cursor: pointer;
 }
+.catalog-mobile-filter-toggle { display: none; }
 .category-pills { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
 .category-pills button {
   padding: 8px 12px;
@@ -327,7 +326,7 @@ select:focus, input:focus, textarea:focus { border-color: var(--blue); box-shado
   background: white;
   transition: transform .22s, border-color .22s, box-shadow .22s;
 }
-.catalog-card:hover { transform: translateY(-3px); border-color: #b7c9e7; box-shadow: 0 15px 34px rgba(30,53,91,.1); }
+.catalog-card:hover { transform: translateY(-3px); border-color: #dce3ed; box-shadow: 0 15px 34px rgba(30,53,91,.2); }
 .catalog-image-button {
   position: relative;
   width: 100%;
@@ -342,11 +341,11 @@ select:focus, input:focus, textarea:focus { border-color: var(--blue); box-shado
   overflow: hidden;
 }
 .catalog-image-button img { display: block; width: 100%; height: auto; object-fit: contain; mix-blend-mode: multiply; transition: transform .25s ease; }
-.catalog-image-button:hover img { transform: scale(1.07); }
+.catalog-image-button:hover img { transform: none; }
 .catalog-image-button small {
   position: absolute;
-  top: 10px;
+  top: 44px;
-  left: 10px;
+  right: 10px;
   padding: 5px 8px;
   border-radius: 6px;
   color: #315686;
@@ -355,18 +354,6 @@ select:focus, input:focus, textarea:focus { border-color: var(--blue); box-shado
   font-size: 8px;
   font-weight: 750;
 }
-.catalog-zoom-hint {
-  position: absolute;
-  right: 11px;
-  bottom: 11px;
-  padding: 6px 9px;
-  border-radius: 7px;
-  color: #315686;
-  background: rgba(255,255,255,.92);
-  box-shadow: 0 3px 12px rgba(31,56,93,.1);
-  font-size: 9px;
-  font-weight: 700;
-}
 .catalog-placeholder { color: #9eb3d3; font-size: 14px; font-weight: 800; letter-spacing: .12em; }
 .catalog-card-body { padding: 16px; }
 .catalog-card-body > p { margin: 0 0 5px; color: #8793a5; font-size: 9px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
@@ -408,11 +395,13 @@ select:focus, input:focus, textarea:focus { border-color: var(--blue); box-shado
 .precision-gear-subcats { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 7px; margin-top: 3px; padding-top: 13px; border-top: 1px solid rgba(176, 201, 239, .58); }
 .precision-gear-subcats span { padding: 6px 9px; border: 1px solid #d6e2f5; border-radius: 999px; color: #60718b; background: rgba(255,255,255,.72); font-size: 10px; }
 .precision-gear-subcats b { margin-left: 3px; color: var(--blue); font-weight: 800; }
-.precision-gear-catalog { margin-top: 34px; }
+.precision-gear-section-label { margin: 34px 0 0; }
+.precision-gear-catalog { margin-top: 16px; }
 .precision-gear-catalog-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
 .precision-gear-catalog-heading h4 { margin: 5px 0 0; color: var(--ink); font-size: 22px; letter-spacing: -.03em; }
 .precision-gear-catalog-heading > p { max-width: 430px; margin: 0; color: #7b8799; font-size: 11px; line-height: 1.65; text-align: right; }
-.precision-gear-controls { margin-top: 16px; padding: 12px; border: 1px solid #dbe4f1; border-radius: 13px; background: #fbfcfe; }
+.precision-gear-controls { position: sticky; top: 74px; z-index: 19; margin-top: 16px; padding: 12px; border: 1px solid #dbe4f1; border-radius: 13px; background: rgba(251,252,254,.96); box-shadow: 0 8px 20px rgba(30,53,91,.07); backdrop-filter: blur(10px); }
+.precision-gear-mobile-filter-toggle { display: none; }
 .precision-gear-controls > input { width: 100%; height: 40px; padding: 0 12px; font-size: 11px; background: white; }
 .precision-gear-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
 .precision-gear-pills button { padding: 7px 10px; border: 1px solid #dce4ef; border-radius: 999px; color: #68778e; background: white; cursor: pointer; font-size: 9px; }
@@ -538,9 +527,19 @@ footer > span { color: #9aa4b2; font-size: 10px; }
 }
 
 @media (max-width: 720px) {
-  .site-header { height: 64px; padding: 0 18px; }
+  .site-header { min-height: 64px; height: auto; padding: 10px 14px; }
-  .site-header nav { display: none; }
+  .brand-wordmark { gap: 2px; }
-  .header-cta { padding: 9px 12px; font-size: 12px; }
+  .brand-wordmark strong { font-size: 14px; }
+  .brand-wordmark small { font-size: 10px; letter-spacing: .12em; }
+  .site-header nav { display: none; position: absolute; top: calc(100% + 8px); left: 12px; right: 12px; z-index: 35; gap: 0; padding: 8px; border: 1px solid #dce5f2; border-radius: 16px; background: rgba(255,255,255,.98); box-shadow: 0 18px 40px rgba(27,54,99,.18); }
+  .site-header nav.is-open { display: grid; }
+  .site-header nav a { padding: 14px 13px; border-radius: 10px; font-size: 14px; }
+  .site-header nav a:hover { background: var(--blue-soft); }
+  .header-cta { padding: 9px 11px; font-size: 11px; }
+  .header-cta span { margin-left: 4px; }
+  .mobile-menu-toggle { min-width: 52px; padding: 7px 8px; display: inline-flex; align-items: center; justify-content: center; gap: 5px; border: 1px solid #dce5f2; border-radius: 10px; color: var(--blue); background: white; cursor: pointer; }
+  .mobile-menu-toggle span { font-size: 18px; line-height: 1; }
+  .mobile-menu-toggle small { font-size: 10px; font-weight: 700; }
   .hero { min-height: 0; padding: 45px 16px 56px; }
   .hero h1 { font-size: 48px; }
   .hero-lead { font-size: 15px; }
@@ -558,11 +557,37 @@ footer > span { color: #9aa4b2; font-size: 10px; }
   .catalog-summary { grid-template-columns: repeat(2, 1fr); }
   .catalog-summary button:last-child { grid-column: auto; }
   .catalog-toolbar { top: 64px; }
+  .catalog-toolbar { display: block; }
+  .catalog-toolbar.is-hidden { visibility: hidden; opacity: 0; pointer-events: none; }
+  .catalog-mobile-filter-toggle { display: none; min-height: 36px; align-items: center; justify-content: center; padding: 0 13px; border: 1px solid #dce3ed; border-radius: 9px; color: var(--blue); background: white; cursor: pointer; font-size: 11px; font-weight: 750; }
+  .catalog-toolbar.is-compact { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px; padding: 7px 8px; margin-bottom: 14px; border-radius: 12px; }
+  .catalog-toolbar.is-compact .catalog-mobile-filter-toggle { display: inline-flex; }
+  .catalog-toolbar.is-compact .catalog-search { grid-column: 1; }
+  .catalog-toolbar.is-compact .catalog-search input { height: 36px; padding: 0 38px; font-size: 12px; }
+  .catalog-toolbar.is-compact .catalog-search > span { left: 12px; top: 7px; font-size: 19px; }
+  .catalog-toolbar.is-compact .catalog-search > button { right: 6px; width: 25px; height: 25px; }
+  .catalog-toolbar.is-compact:not(.filters-open) .category-pills,
+  .catalog-toolbar.is-compact:not(.filters-open) .catalog-scale-filter,
+  .catalog-toolbar.is-compact:not(.filters-open) .catalog-result-count { display: none; }
+  .catalog-toolbar.is-compact.filters-open .category-pills,
+  .catalog-toolbar.is-compact.filters-open .catalog-scale-filter,
+  .catalog-toolbar.is-compact.filters-open .catalog-result-count { grid-column: 1 / -1; }
+  .catalog-toolbar.is-compact.filters-open .catalog-mobile-filter-toggle { color: white; background: var(--blue); }
   .catalog-scale-filter { grid-template-columns: 1fr; align-items: stretch; }
   .catalog-grid { grid-template-columns: 1fr; gap: 15px; }
   .precision-gear-panel { gap: 20px; margin-top: 30px; padding: 22px 18px; }
   .precision-gear-catalog-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
   .precision-gear-catalog-heading > p { text-align: left; }
+  .precision-gear-controls { position: sticky; top: 64px; z-index: 19; }
+  .precision-gear-mobile-filter-toggle { display: none; min-height: 36px; align-items: center; justify-content: center; padding: 0 13px; border: 1px solid #dce3ed; border-radius: 9px; color: var(--blue); background: white; cursor: pointer; font-size: 11px; font-weight: 750; }
+  .precision-gear-controls.is-compact { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px; padding: 7px 8px; border-radius: 12px; }
+  .precision-gear-controls.is-compact > input { grid-column: 1; height: 36px; min-width: 0; font-size: 12px; }
+  .precision-gear-controls.is-compact .precision-gear-mobile-filter-toggle { display: inline-flex; }
+  .precision-gear-controls.is-compact:not(.filters-open) .precision-gear-pills,
+  .precision-gear-controls.is-compact:not(.filters-open) .precision-gear-result { display: none; }
+  .precision-gear-controls.is-compact.filters-open .precision-gear-pills,
+  .precision-gear-controls.is-compact.filters-open .precision-gear-result { grid-column: 1 / -1; }
+  .precision-gear-controls.is-compact.filters-open .precision-gear-mobile-filter-toggle { color: white; background: var(--blue); }
   .precision-gear-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
   .precision-gear-card-body { padding: 9px; }
   .catalog-card-body { padding: 15px; }

app/page.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { FormEvent, useMemo, useState } from "react";
+import { FormEvent, useEffect, useMemo, useState } from "react";
 import {
   CATALOG_COUNTS,
   CATALOG_PRODUCTS as RAW_CATALOG_PRODUCTS,
@@ -352,6 +352,7 @@ function Metric({ label, value }: { label: string; value: string }) {
 
 export default function Home() {
   const [stage, setStage] = useState(0);
+  const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
   const [requirements, setRequirements] = useState(DEFAULT_REQUIREMENTS);
   const [showSampleForm, setShowSampleForm] = useState(false);
   const [submitted, setSubmitted] = useState(false);
@@ -360,9 +361,14 @@ export default function Home() {
   const [catalogCategory, setCatalogCategory] = useState("全部产品");
   const [catalogScale, setCatalogScale] = useState("all");
   const [catalogLimit, setCatalogLimit] = useState(24);
+  const [catalogToolbarCompact, setCatalogToolbarCompact] = useState(false);
+  const [catalogToolbarFiltersOpen, setCatalogToolbarFiltersOpen] = useState(false);
+  const [catalogToolbarHidden, setCatalogToolbarHidden] = useState(false);
   const [precisionGearQuery, setPrecisionGearQuery] = useState("");
   const [precisionGearCategory, setPrecisionGearCategory] = useState("全部子类");
   const [precisionGearLimit, setPrecisionGearLimit] = useState(24);
+  const [precisionGearToolbarCompact, setPrecisionGearToolbarCompact] = useState(false);
+  const [precisionGearFiltersOpen, setPrecisionGearFiltersOpen] = useState(false);
   const [selectedCatalogProduct, setSelectedCatalogProduct] = useState<CatalogProduct | null>(null);
   const [catalogVisualMode, setCatalogVisualMode] = useState<CatalogVisualMode>("main");
 
@@ -419,12 +425,41 @@ export default function Home() {
     ? getCatalogProductDimensionImage(selectedCatalogProduct)
     : null;
 
+  useEffect(() => {
+    function updateCatalogToolbarState() {
+      const toolbar = document.querySelector(".catalog-toolbar");
+      const shouldCompact = window.innerWidth <= 720 && Boolean(toolbar) && toolbar.getBoundingClientRect().top <= 72 && window.scrollY > 0;
+      setCatalogToolbarCompact((current) => (current === shouldCompact ? current : shouldCompact));
+      if (!shouldCompact) setCatalogToolbarFiltersOpen(false);
+
+      const precisionHeading = document.querySelector(".precision-gear-catalog-heading");
+      const shouldHideCatalogToolbar = window.innerWidth <= 720 && Boolean(precisionHeading) && precisionHeading.getBoundingClientRect().top <= 72;
+      setCatalogToolbarHidden((current) => (current === shouldHideCatalogToolbar ? current : shouldHideCatalogToolbar));
+
+      const precisionToolbar = document.querySelector(".precision-gear-controls");
+      const shouldCompactPrecision = window.innerWidth <= 720 && Boolean(precisionToolbar) && precisionToolbar.getBoundingClientRect().top <= 72 && window.scrollY > 0;
+      setPrecisionGearToolbarCompact((current) => (current === shouldCompactPrecision ? current : shouldCompactPrecision));
+      if (!shouldCompactPrecision) setPrecisionGearFiltersOpen(false);
+    }
+
+    updateCatalogToolbarState();
+    window.addEventListener("scroll", updateCatalogToolbarState, { passive: true });
+    document.addEventListener("scroll", updateCatalogToolbarState, { passive: true, capture: true });
+    window.addEventListener("resize", updateCatalogToolbarState);
+    return () => {
+      window.removeEventListener("scroll", updateCatalogToolbarState);
+      document.removeEventListener("scroll", updateCatalogToolbarState, true);
+      window.removeEventListener("resize", updateCatalogToolbarState);
+    };
+  }, []);
+
   function openCatalogProduct(product: CatalogProduct) {
     setSelectedCatalogProduct(product);
     setCatalogVisualMode("main");
   }
 
   function startSelection() {
+    setMobileMenuOpen(false);
     setStage(1);
     requestAnimationFrame(() => {
       document.getElementById("selector")?.scrollIntoView({ behavior: "smooth", block: "start" });
@@ -454,22 +489,33 @@ export default function Home() {
   return (
     <main>
       <header className="site-header">
-        <a className="brand" href="#top" aria-label="高徳乐 AI选型首页">
+        <a className="brand" href="#top" aria-label="高德乐 AI选型首页">
-          <span className="brand-mark">G</span>
+          <span className="brand-wordmark">
-          <span>
             <strong>GAUDELOT</strong>
-            <small>高徳乐 · 精密传动</small>
+            <small>高德乐</small>
           </span>
         </a>
-        <nav aria-label="主导航">
+        <nav id="mobile-primary-nav" className={mobileMenuOpen ? "is-open" : ""} aria-label="主导航">
-          <a href="#selector">AI选型</a>
+          <a href="#selector" onClick={() => setMobileMenuOpen(false)}>AI选型</a>
-          <a href="#products">完整目录</a>
+          <a href="#products" onClick={() => setMobileMenuOpen(false)}>完整目录</a>
-          <a href="#precision-gears">精密齿轮</a>
+          <a href="#precision-gears" onClick={() => setMobileMenuOpen(false)}>精密齿轮</a>
-          <a href="#how">服务流程</a>
+          <a href="#how" onClick={() => setMobileMenuOpen(false)}>服务流程</a>
         </nav>
-        <button className="header-cta" type="button" onClick={startSelection}>
+        <div className="header-actions">
-          开始选型 <span>→</span>
+          <button className="header-cta" type="button" onClick={startSelection}>
-        </button>
+            开始选型 <span>→</span>
+          </button>
+          <button
+            className="mobile-menu-toggle"
+            type="button"
+            aria-expanded={mobileMenuOpen}
+            aria-controls="mobile-primary-nav"
+            onClick={() => setMobileMenuOpen((open) => !open)}
+          >
+            <span aria-hidden="true">{mobileMenuOpen ? "×" : "☰"}</span>
+            <small>{mobileMenuOpen ? "关闭" : "菜单"}</small>
+          </button>
+        </div>
       </header>
 
       <section className="hero" id="top">
@@ -962,6 +1008,7 @@ export default function Home() {
           <p>官方目录按八个主分类收录{CATALOG_PRODUCTS.length}款产品；静音舵机作为特色子集筛选，不重复计入产品总数。</p>
         </div>
 
+        <div className="catalog-directory">
         <div className="catalog-summary" aria-label="产品分类统计">
           {PRIMARY_CATALOG_CATEGORIES.map((category) => (
             <button
@@ -980,7 +1027,7 @@ export default function Home() {
         </div>
         <p className="catalog-category-note">分类已按官方目录表头及业务规则复核 · 八个主分类合计{CATALOG_PRODUCTS.length}款 · 舵盘配件6款 · 静音舵机11款为标准舵机特色子集</p>
 
-        <div className="catalog-toolbar">
+        <div className={`catalog-toolbar ${catalogToolbarCompact ? "is-compact" : ""} ${catalogToolbarFiltersOpen ? "filters-open" : ""} ${catalogToolbarHidden ? "is-hidden" : ""}`}>
           <label className="catalog-search">
             <span>⌕</span>
             <input
@@ -996,6 +1043,14 @@ export default function Home() {
               <button type="button" onClick={() => setCatalogQuery("")} aria-label="清空搜索">×</button>
             )}
           </label>
+          <button
+            className="catalog-mobile-filter-toggle"
+            type="button"
+            aria-expanded={catalogToolbarFiltersOpen}
+            onClick={() => setCatalogToolbarFiltersOpen((open) => !open)}
+          >
+            {catalogToolbarFiltersOpen ? "收起" : "筛选"}
+          </button>
           <div className="category-pills" aria-label="产品类别筛选">
             {CATALOG_FILTER_CATEGORIES.map((category) => (
               <button
@@ -1056,7 +1111,6 @@ export default function Home() {
                     <span className="catalog-placeholder">GAUDELOT</span>
                   )}
                   <small>{product.category}</small>
-                  <span className="catalog-zoom-hint">点击查看大图</span>
                 </button>
                 <div className="catalog-card-body">
                   <p>{product.code}</p>
@@ -1090,25 +1144,10 @@ export default function Home() {
             </button>
           </div>
         )}
+        </div>
 
-        <aside className="precision-gear-panel" id="precision-gears" aria-labelledby="precision-gears-title">
+        <p className="eyebrow precision-gear-section-label"><span /> 精密齿轮</p>
-          <div className="precision-gear-copy">
+        <div className="precision-gear-catalog" id="precision-gears" aria-label="精密齿轮配件产品卡片">
-            <p className="eyebrow"><span /> 精密齿轮</p>
-            <h3 id="precision-gears-title">精密齿轮配件</h3>
-            <p>独立目录收录 511 款产品，覆盖 11 个子类，为微型传动、机构配套与定制开发提供齿轮件支持。</p>
-          </div>
-          <div className="precision-gear-overview">
-            <div className="precision-gear-stat"><strong>511</strong><span>款产品</span></div>
-            <div className="precision-gear-stat"><strong>11</strong><span>个子类</span></div>
-            <div className="precision-gear-subcats" aria-label="精密齿轮配件子类">
-              {PRECISION_GEAR_SUBCATEGORIES.map(([name, count]) => (
-                <span key={name}>{name} <b>{count}</b></span>
-              ))}
-            </div>
-          </div>
-        </aside>
-
-        <div className="precision-gear-catalog" aria-label="精密齿轮配件产品卡片">
           <div className="precision-gear-catalog-heading">
             <div>
               <p className="step-kicker">产品卡片目录</p>
@@ -1116,7 +1155,7 @@ export default function Home() {
             </div>
             <p>小型卡片展示型号、子类和关键规格，点击图片可查看产品大图与完整参数。</p>
           </div>
-          <div className="precision-gear-controls">
+          <div className={`precision-gear-controls ${precisionGearToolbarCompact ? "is-compact" : ""} ${precisionGearFiltersOpen ? "filters-open" : ""}`}>
             <input
               value={precisionGearQuery}
               onChange={(event) => {
@@ -1126,6 +1165,14 @@ export default function Home() {
               placeholder="搜索齿轮名称、编码、材质或规格"
               aria-label="搜索精密齿轮配件"
             />
+            <button
+              className="precision-gear-mobile-filter-toggle"
+              type="button"
+              aria-expanded={precisionGearFiltersOpen}
+              onClick={() => setPrecisionGearFiltersOpen((open) => !open)}
+            >
+              {precisionGearFiltersOpen ? "收起" : "筛选"}
+            </button>
             <div className="precision-gear-pills" aria-label="精密齿轮子类筛选">
               <button
                 type="button"
@@ -1302,8 +1349,7 @@ export default function Home() {
 
       <footer>
         <div className="brand footer-brand">
-          <span className="brand-mark">G</span>
+          <span className="brand-wordmark"><strong>GAUDELOT</strong><small>高德乐</small></span>
-          <span><strong>GAUDELOT</strong><small>高徳乐 · 精密传动</small></span>
         </div>
         <p>AI选型结果仅供初步筛选，最终型号、价格、交期与适配结果以工程师和正式文件确认为准。</p>
         <span>内部原型 · V1</span>