fix(category): improve count badge contrast

- 导入 29 条精选公开书签，排除重复与敏感入口
- 将滚动限制在分类页内层卡片区域，并适配窄屏
- 更新数据与页面测试

ts/web/nextjs/polaris/public/icons/go-zero.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" role="img" aria-label="go-zero">
+  <rect width="64" height="64" rx="14" fill="#1f2937" />
+  <path d="M14 32c0-10.5 7.6-18 18-18 6.7 0 11.4 2.3 15.5 7.1l-5.4 4.6c-2.3-2.8-5-4.1-9.7-4.1-6.5 0-10.8 4.7-10.8 10.4 0 5.9 4.3 10.4 10.8 10.4 4 0 7-1 9.7-3.8l5.4 4.6c-3.9 4.6-8.9 6.8-15.5 6.8-10.4 0-18-7.4-18-18z" fill="#60a5fa" />
+  <circle cx="49" cy="18" r="5" fill="#10b981" />
+</svg>

ts/web/nextjs/polaris/src/app/categories/[categoryId]/page.test.tsx

@@ -1,6 +1,8 @@
 import { render, screen } from "@testing-library/react"
 import { describe, expect, it } from "vitest"
 
+import { getLinksByCategory } from "@/services/links"
+
 import CategoryPage, { dynamicParams, generateStaticParams } from "./page"
 
 describe("CategoryPage", () => {
@@ -18,6 +20,7 @@ describe("CategoryPage", () => {
   })
 
   it("通过 service 组合开发工具分类页", async () => {
+    const links = getLinksByCategory("dev")
     const page = await CategoryPage({
       params: Promise.resolve({ categoryId: "dev" }),
     })
@@ -26,8 +29,8 @@ describe("CategoryPage", () => {
     expect(
       screen.getByRole("heading", { level: 1, name: "开发工具" }),
     ).toBeInTheDocument()
-    expect(screen.getByText("共 15 个")).toBeInTheDocument()
-    expect(container.querySelectorAll(".tool-card")).toHaveLength(15)
+    expect(screen.getByText(`共 ${links.length} 个`)).toBeInTheDocument()
+    expect(container.querySelectorAll(".tool-card")).toHaveLength(links.length)
     expect(screen.getByRole("link", { name: "开发工具" })).toHaveAttribute(
       "aria-current",
       "page",
@@ -35,7 +38,8 @@ describe("CategoryPage", () => {
     expect(screen.queryByRole("searchbox")).not.toBeInTheDocument()
   })
 
-  it("通过同一路由组合空分类页", async () => {
+  it("通过同一路由组合生活服务分类页", async () => {
+    const links = getLinksByCategory("life")
     const page = await CategoryPage({
       params: Promise.resolve({ categoryId: "life" }),
     })
@@ -44,7 +48,7 @@ describe("CategoryPage", () => {
     expect(
       screen.getByRole("heading", { level: 1, name: "生活服务" }),
     ).toBeInTheDocument()
-    expect(screen.getByText("共 0 个")).toBeInTheDocument()
-    expect(screen.getByText("暂无工具")).toBeInTheDocument()
+    expect(screen.getByText(`共 ${links.length} 个`)).toBeInTheDocument()
+    expect(screen.queryByText("暂无工具")).not.toBeInTheDocument()
   })
 })

ts/web/nextjs/polaris/src/app/globals.css

@@ -267,23 +267,21 @@ a {
 }
 
 .app-shell[data-sidebar-collapsed="true"] .sidebar__header {
+  min-height: 116px;
+  flex-direction: column;
   justify-content: center;
-  padding-inline: 10px;
+  gap: 4px;
+  padding: 12px 10px;
 }
 
 .app-shell[data-sidebar-collapsed="true"] .sidebar__brand {
+  flex: none;
   justify-content: center;
 }
 
 .app-shell[data-sidebar-collapsed="true"] .sidebar__header > button {
-  position: absolute;
-  top: 22px;
-  right: -14px;
-  width: 28px;
-  height: 28px;
-  border: 1px solid var(--border-glass);
-  background: rgba(255, 255, 255, 0.9);
-  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
+  width: 48px;
+  height: 48px;
 }
 
 .app-shell[data-sidebar-collapsed="true"] .sidebar__nav {
@@ -571,12 +569,16 @@ a {
 }
 
 .category-page {
-  min-height: 100svh;
+  height: 100svh;
   padding: 20px 20px 20px 0;
 }
 
 .category-page__panel {
-  min-height: calc(100svh - 40px);
+  display: flex;
+  height: 100%;
+  min-height: 0;
+  overflow: hidden;
+  flex-direction: column;
   padding: 48px clamp(32px, 4vw, 64px) 56px;
   background: var(--surface-sidebar);
   box-shadow: var(--shadow-panel);
@@ -605,11 +607,35 @@ a {
 }
 
 .category-tools {
+  display: flex;
+  min-height: 0;
+  flex: 1;
+  flex-direction: column;
   margin-top: 36px;
 }
 
+.category-tools__viewport {
+  min-width: 0;
+  min-height: 0;
+  overflow-y: auto;
+  overscroll-behavior-y: contain;
+  flex: 1;
+  padding: 16px;
+  border: 1px solid rgba(255, 255, 255, 0.36);
+  border-radius: 20px;
+  background: rgba(82, 113, 151, 0.09);
+  box-shadow:
+    inset 0 2px 10px rgba(29, 56, 93, 0.07),
+    inset 0 1px 0 rgba(255, 255, 255, 0.22);
+}
+
+.category-tools__viewport:focus-visible {
+  outline-offset: -4px;
+}
+
 .category-section-header {
   display: flex;
+  flex: none;
   align-items: center;
   gap: 12px;
   margin-bottom: 20px;
@@ -623,11 +649,12 @@ a {
 
 .category-section-header__count {
   padding: 4px 10px;
-  color: var(--text-muted);
+  color: #334155;
   font-size: 14px;
-  border: 1px solid rgba(255, 255, 255, 0.24);
+  font-weight: 600;
+  border: 1px solid rgba(71, 104, 138, 0.24);
   border-radius: 999px;
-  background: rgba(255, 255, 255, 0.3);
+  background: rgba(238, 246, 253, 0.88);
 }
 
 .tool-card {
@@ -707,6 +734,7 @@ a {
 
 .tool-grid {
   display: grid;
+  align-content: start;
   margin: 0;
   padding: 0;
   list-style: none;
@@ -728,6 +756,12 @@ a {
   text-align: center;
 }
 
+.category-tools__viewport > .category-empty-state {
+  height: 100%;
+  min-height: 0;
+  padding-block: 20px;
+}
+
 .category-empty-state > svg {
   width: 36px;
   height: 36px;
@@ -793,7 +827,8 @@ a {
 }
 
 .local-search-results,
-.sidebar__nav {
+.sidebar__nav,
+.category-tools__viewport {
   scrollbar-color: rgba(100, 116, 139, 0.32) transparent;
   scrollbar-width: thin;
 }
@@ -818,6 +853,126 @@ a {
   }
 }
 
+@media (max-width: 999px) {
+  .tool-grid {
+    grid-template-columns: minmax(0, 1fr);
+  }
+}
+
+@media (max-width: 767px) {
+  /* Keep category navigation usable without squeezing the boxed content. */
+  .app-shell:has(.category-page) .sidebar {
+    inset: 12px 12px auto;
+    width: auto;
+    height: 124px;
+  }
+
+  .app-shell:has(.category-page) .sidebar__header,
+  .app-shell:has(.category-page)[data-sidebar-collapsed="true"]
+    .sidebar__header {
+    min-height: 56px;
+    flex-direction: row;
+    padding: 0 12px;
+  }
+
+  .app-shell:has(.category-page) .sidebar__header > button {
+    display: none;
+  }
+
+  .app-shell:has(.category-page) .sidebar__brand {
+    justify-content: flex-start;
+  }
+
+  .app-shell:has(.category-page) .sidebar__nav,
+  .app-shell:has(.category-page)[data-sidebar-collapsed="true"] .sidebar__nav {
+    flex-direction: row;
+    overflow-x: auto;
+    overflow-y: hidden;
+    padding: 8px 12px 12px;
+  }
+
+  .app-shell:has(.category-page) .sidebar__categories {
+    flex: none;
+    flex-direction: row;
+  }
+
+  .app-shell:has(.category-page) .sidebar__nav-item,
+  .app-shell:has(.category-page)[data-sidebar-collapsed="true"]
+    .sidebar__nav-item {
+    width: auto;
+    height: 40px;
+    min-height: 40px;
+    flex: none;
+    justify-content: flex-start;
+    padding-inline: 12px;
+  }
+
+  .app-shell:has(.category-page) .sidebar__site-name.sr-only,
+  .app-shell:has(.category-page) .sidebar__label.sr-only {
+    position: static;
+    width: auto;
+    height: auto;
+    margin: 0;
+    overflow: hidden;
+    clip: auto;
+    white-space: nowrap;
+  }
+
+  .app-shell:has(.category-page) .app-shell__content {
+    margin-left: 0;
+  }
+
+  .category-page {
+    padding: 148px 12px 12px;
+  }
+
+  .category-page__panel {
+    padding: 28px 20px 36px;
+  }
+
+  .category-tools__viewport {
+    padding: 12px;
+  }
+
+  .category-header__title {
+    font-size: 32px;
+  }
+}
+
+/* When the header would leave only a sliver of cards, let the page scroll instead. */
+@media (max-height: 540px), (max-width: 767px) and (max-height: 700px) {
+  .category-page {
+    height: auto;
+    min-height: 100svh;
+  }
+
+  .category-page__panel {
+    height: auto;
+    min-height: calc(100svh - 40px);
+    overflow: visible;
+  }
+
+  .category-tools {
+    flex: none;
+  }
+
+  .category-tools__viewport {
+    overflow: visible;
+    flex: none;
+  }
+
+  .category-tools__viewport > .category-empty-state {
+    height: auto;
+    min-height: 200px;
+  }
+}
+
+@media (max-width: 767px) and (max-height: 700px) {
+  .category-page__panel {
+    min-height: calc(100svh - 160px);
+  }
+}
+
 @media (prefers-reduced-motion: reduce) {
   *,
   *::before,

ts/web/nextjs/polaris/src/components/shared/simple-icon-map.ts

@@ -1,11 +1,14 @@
 import {
   siBilibili,
   siBitbucket,
+  siDeepseek,
   siDocker,
   siFigma,
   siGithub,
   siGitlab,
   siGmail,
+  siGo,
+  siGooglegemini,
   siGoland,
   siJetbrains,
   siKubernetes,
@@ -23,11 +26,14 @@ import {
 export const SIMPLE_ICON_MAP: Readonly<Record<string, SimpleIcon>> = {
   bilibili: siBilibili,
   bitbucket: siBitbucket,
+  deepseek: siDeepseek,
   docker: siDocker,
   figma: siFigma,
   github: siGithub,
   gitlab: siGitlab,
   gmail: siGmail,
+  go: siGo,
+  googlegemini: siGooglegemini,
   goland: siGoland,
   jetbrains: siJetbrains,
   kubernetes: siKubernetes,

ts/web/nextjs/polaris/src/components/shared/site-icon.test.tsx

@@ -1,8 +1,12 @@
 import { fireEvent, render, screen } from "@testing-library/react"
-import { describe, expect, it } from "vitest"
+import { afterEach, describe, expect, it, vi } from "vitest"
 
 import { SiteIcon } from "./site-icon"
 
+afterEach(() => {
+  vi.restoreAllMocks()
+})
+
 describe("SiteIcon", () => {
   it("渲染已知 Simple Icon", () => {
     const { container } = render(
@@ -81,4 +85,62 @@ describe("SiteIcon", () => {
     fireEvent.error(container.querySelector("img")!)
     expect(screen.getByText("E")).toBeInTheDocument()
   })
+
+  it("缓存或水合前已加载完成的图片挂载后直接显示，不再停留首字母", () => {
+    // 模拟图片在 React 附加 onLoad 之前（如缓存命中 + 水合竞态）已完成：不再有 load 事件。
+    vi.spyOn(HTMLImageElement.prototype, "complete", "get").mockReturnValue(true)
+    vi.spyOn(HTMLImageElement.prototype, "naturalWidth", "get").mockReturnValue(
+      48,
+    )
+
+    const { container } = render(
+      <SiteIcon
+        link={{
+          title: "go-zero",
+          url: "https://go-zero.dev",
+          icon: "local:go-zero",
+        }}
+      />,
+    )
+
+    const wrapper = container.querySelector(".site-icon")!
+    const image = container.querySelector("img")!
+    expect(image).toHaveAttribute("src", "/icons/go-zero.svg")
+    expect(wrapper).not.toHaveAttribute("data-initial")
+    expect(wrapper).not.toHaveClass("site-icon--initial")
+    expect(image).not.toHaveClass("site-icon__image--loading")
+  })
+
+  it("缓存或水合前已失败的图片挂载后推进候选链，不卡死占位", () => {
+    // complete 为真但 naturalWidth 为 0 表示解码失败的坏图，同样不会补发 error 事件。
+    // 仅首项候选处于该状态；推进后的候选按全新加载处理（complete 为假，等待事件）。
+    vi.spyOn(HTMLImageElement.prototype, "complete", "get").mockImplementation(
+      function (this: HTMLImageElement) {
+        return this.getAttribute("src") === "https://cdn.example.com/icon.png"
+      },
+    )
+    vi.spyOn(HTMLImageElement.prototype, "naturalWidth", "get").mockReturnValue(
+      0,
+    )
+
+    const { container } = render(
+      <SiteIcon
+        link={{
+          title: "Example",
+          url: "https://example.com",
+          icon: "url:https://cdn.example.com/icon.png",
+        }}
+      />,
+    )
+
+    // 候选链：自定义图片 → favicon → 首字母；首项挂载前已坏，应停在 favicon。
+    expect(container.querySelector("img")).toHaveAttribute(
+      "src",
+      "https://example.com/favicon.ico",
+    )
+    expect(container.querySelector(".site-icon")).toHaveAttribute(
+      "data-initial",
+      "E",
+    )
+  })
 })

ts/web/nextjs/polaris/src/components/shared/site-icon.tsx

@@ -1,7 +1,7 @@
 "use client"
 
 /* eslint-disable @next/next/no-img-element -- favicon 来源由数据动态决定，静态 Image 配置无法预枚举域名。 */
-import { useState } from "react"
+import { useEffect, useRef, useState } from "react"
 
 import {
   getIconCandidates,
@@ -29,6 +29,7 @@ function SiteIconContent({
 }: SiteIconContentProps) {
   const [candidateIndex, setCandidateIndex] = useState(0)
   const [loadedImageSrc, setLoadedImageSrc] = useState<string | null>(null)
+  const imageRef = useRef<HTMLImageElement | null>(null)
   const candidate = candidates[candidateIndex]
   const initialCandidate = candidates.at(-1)
   const initialValue =
@@ -36,6 +37,21 @@ function SiteIconContent({
   const wrapperClassName = cn("site-icon", className)
   const style = { width: size, height: size }
 
+  // 缓存命中的图片可能在 React 附加 onLoad/onError（如水合）之前就完成或失败，
+  // 之后不再派发任何事件；挂载后按 complete/naturalWidth 补偿判定，
+  // 避免透明图片永久停留在首字母占位，也避免坏图卡住候选链。
+  // 候选推进有末位钳制，末位为首字母分支，不会形成无限循环。
+  useEffect(() => {
+    if (candidate.kind !== "image") return
+    const image = imageRef.current
+    if (!image?.complete) return
+    if (image.naturalWidth > 0) {
+      setLoadedImageSrc(candidate.src)
+    } else {
+      setCandidateIndex((index) => Math.min(index + 1, candidates.length - 1))
+    }
+  }, [candidate, candidates.length])
+
   if (candidate.kind === "simple") {
     const icon = SIMPLE_ICON_MAP[candidate.slug]
     return (
@@ -72,6 +88,7 @@ function SiteIconContent({
           alt={`${link.title} 图标`}
           width={size}
           height={size}
+          ref={imageRef}
           onLoad={() => setLoadedImageSrc(candidate.src)}
           onError={() =>
             setCandidateIndex((index) =>

ts/web/nextjs/polaris/src/data/data.test.ts

@@ -27,9 +27,9 @@ describe("Polaris 静态数据", () => {
     }
   })
 
-  it("包含 20 条合法链接且分类引用均存在", () => {
+  it("包含 45 条合法链接且分类引用均存在", () => {
     const categoryIds = new Set(categories.map(({ id }) => id))
-    expect(links).toHaveLength(20)
+    expect(links).toHaveLength(45)
     expect(hasUniqueValues(links.map(({ id }) => id))).toBe(true)
 
     for (const link of links) {
@@ -55,13 +55,13 @@ describe("Polaris 静态数据", () => {
     }
   })
 
-  it("8 条常用链接拥有唯一 pinnedSort", () => {
+  it("6 条常用链接拥有唯一 pinnedSort", () => {
     const pinned = links.filter(({ pinned }) => pinned)
     const pinnedSorts = pinned.map(({ pinnedSort }) => pinnedSort)
 
-    expect(pinned).toHaveLength(8)
+    expect(pinned).toHaveLength(6)
     expect(pinnedSorts.every(Number.isFinite)).toBe(true)
-    expect(new Set(pinnedSorts).size).toBe(8)
+    expect(new Set(pinnedSorts).size).toBe(6)
   })
 
   it("设置包含完整且合法的嵌套契约", () => {
@@ -86,4 +86,33 @@ describe("Polaris 静态数据", () => {
     expect(Number.isFinite(settings.background.blur)).toBe(true)
     expect(Number.isFinite(settings.background.overlay)).toBe(true)
   })
+
+  describe("导入链接卫生检查", () => {
+    const normalizeUrl = (url: string) => url.replace(/\/+$/, "")
+
+    it("全部链接 URL 唯一（忽略末尾斜杠）", () => {
+      const urls = links.map(({ url }) => normalizeUrl(url))
+      expect(hasUniqueValues(urls)).toBe(true)
+    })
+
+    it("不包含本地或内网地址", () => {
+      for (const link of links) {
+        const { hostname } = new URL(link.url)
+        expect(hostname).toMatch(/^[\w.-]+$/)
+        expect(hostname).not.toBe("localhost")
+        expect(hostname).not.toMatch(/\.(local|lan|internal)$/)
+        expect(hostname).not.toMatch(
+          /^(127\.|10\.|192\.168\.|172\.(1[6-9]|2\d|3[01])\.|169\.254\.|0\.0\.0\.0)/,
+        )
+      }
+    })
+
+    it("不携带查询参数或片段，防止 sid/jumpuin 等会话标识混入", () => {
+      for (const link of links) {
+        const url = new URL(link.url)
+        expect([...url.searchParams.keys()]).toEqual([])
+        expect(url.hash).toBe("")
+      }
+    })
+  })
 })

ts/web/nextjs/polaris/src/data/links.json

@@ -12,71 +12,16 @@
     "sort": 10
   },
   {
-    "id": "gitlab",
-    "title": "GitLab",
-    "description": "一体化 DevOps 平台",
-    "url": "https://gitlab.com",
-    "icon": "si:gitlab",
+    "id": "gitee",
+    "title": "Gitee",
+    "description": "国内领先的开发者社区",
+    "url": "https://gitee.com",
+    "icon": "si:gitee",
     "categoryId": "dev",
     "pinned": false,
     "keywords": ["代码", "仓库", "devops", "ci", "cd"],
     "sort": 20
   },
-  {
-    "id": "bitbucket",
-    "title": "Bitbucket",
-    "description": "代码托管和协作开发",
-    "url": "https://bitbucket.org",
-    "icon": "si:bitbucket",
-    "categoryId": "dev",
-    "pinned": false,
-    "keywords": ["代码", "仓库", "git"],
-    "sort": 30
-  },
-  {
-    "id": "vscode",
-    "title": "VS Code",
-    "description": "强大的代码编辑器",
-    "url": "https://code.visualstudio.com",
-    "icon": "si:vscode",
-    "categoryId": "dev",
-    "pinned": false,
-    "keywords": ["编辑器", "ide", "代码"],
-    "sort": 40
-  },
-  {
-    "id": "jetbrains",
-    "title": "JetBrains",
-    "description": "智能开发工具套件",
-    "url": "https://www.jetbrains.com",
-    "icon": "si:jetbrains",
-    "categoryId": "dev",
-    "pinned": false,
-    "keywords": ["ide", "开发工具", "编辑器"],
-    "sort": 50
-  },
-  {
-    "id": "goland",
-    "title": "GoLand",
-    "description": "Go 语言 IDE",
-    "url": "https://www.jetbrains.com/go/",
-    "icon": "si:goland",
-    "categoryId": "dev",
-    "pinned": false,
-    "keywords": ["go", "golang", "ide"],
-    "sort": 60
-  },
-  {
-    "id": "postman",
-    "title": "Postman",
-    "description": "API 开发和测试工具",
-    "url": "https://www.postman.com",
-    "icon": "si:postman",
-    "categoryId": "dev",
-    "pinned": false,
-    "keywords": ["api", "接口", "测试"],
-    "sort": 70
-  },
   {
     "id": "docker",
     "title": "Docker",
@@ -99,40 +44,6 @@
     "keywords": ["k8s", "容器", "编排", "云原生"],
     "sort": 90
   },
-  {
-    "id": "vercel",
-    "title": "Vercel",
-    "description": "前端部署与托管平台",
-    "url": "https://vercel.com",
-    "icon": "si:vercel",
-    "categoryId": "dev",
-    "pinned": true,
-    "pinnedSort": 70,
-    "keywords": ["部署", "前端", "托管"],
-    "sort": 100
-  },
-  {
-    "id": "netlify",
-    "title": "Netlify",
-    "description": "现代化的开发平台",
-    "url": "https://www.netlify.com",
-    "icon": "si:netlify",
-    "categoryId": "dev",
-    "pinned": false,
-    "keywords": ["部署", "前端", "托管"],
-    "sort": 110
-  },
-  {
-    "id": "render",
-    "title": "Render",
-    "description": "云应用托管平台",
-    "url": "https://render.com",
-    "icon": "si:render",
-    "categoryId": "dev",
-    "pinned": false,
-    "keywords": ["部署", "后端", "托管", "云服务"],
-    "sort": 120
-  },
   {
     "id": "npm",
     "title": "npm",
@@ -156,16 +67,36 @@
     "sort": 140
   },
   {
-    "id": "figma",
-    "title": "Figma",
-    "description": "界面设计协作工具",
-    "url": "https://www.figma.com",
-    "icon": "si:figma",
+    "id": "go",
+    "title": "Go 标准库文档",
+    "description": "Go 语言标准库 API 参考文档",
+    "url": "https://pkg.go.dev/std",
+    "icon": "si:go",
     "categoryId": "dev",
-    "pinned": true,
-    "pinnedSort": 50,
-    "keywords": ["设计", "ui", "协作"],
-    "sort": 150
+    "pinned": false,
+    "keywords": ["go", "golang", "标准库", "文档"],
+    "sort": 30
+  },
+  {
+    "id": "go-zero",
+    "title": "go-zero",
+    "description": "Go 微服务框架",
+    "url": "https://go-zero.dev",
+    "icon": "local:go-zero",
+    "categoryId": "dev",
+    "pinned": false,
+    "keywords": ["go", "golang", "微服务", "框架"],
+    "sort": 40
+  },
+  {
+    "id": "iconfont",
+    "title": "Iconfont",
+    "description": "阿里巴巴矢量图标库",
+    "url": "https://www.iconfont.cn",
+    "categoryId": "design",
+    "pinned": false,
+    "keywords": ["图标", "矢量", "素材", "设计"],
+    "sort": 10
   },
   {
     "id": "chatgpt",
@@ -179,6 +110,28 @@
     "keywords": ["ai", "人工智能", "对话", "写作"],
     "sort": 10
   },
+  {
+    "id": "deepseek",
+    "title": "DeepSeek",
+    "description": "蓝色大肥鱼",
+    "url": "https://deepseek.com",
+    "icon": "si:deepseek",
+    "categoryId": "ai",
+    "pinned": false,
+    "keywords": ["ai", "人工智能", "对话", "写作"],
+    "sort": 10
+  },
+  {
+    "id": "gemini",
+    "title": "Gemini",
+    "description": "谷歌 Gemini AI",
+    "url": "https://gemini.google.com/app",
+    "icon": "si:googlegemini",
+    "categoryId": "ai",
+    "pinned": false,
+    "keywords": ["ai", "人工智能", "对话", "写作"],
+    "sort": 10
+  },
   {
     "id": "gmail",
     "title": "Gmail",
@@ -226,5 +179,298 @@
     "pinnedSort": 80,
     "keywords": ["哔哩哔哩", "视频", "动漫", "社区"],
     "sort": 20
+  },
+  {
+    "id": "chatbot-arena",
+    "title": "Chatbot Arena",
+    "description": "大模型匿名对战与排行榜社区",
+    "url": "https://huggingface.co/spaces/lmarena-ai/chatbot-arena",
+    "categoryId": "ai",
+    "pinned": false,
+    "keywords": ["ai", "大模型", "排行榜", "对战"],
+    "sort": 20
+  },
+  {
+    "id": "go-stdlib-zh",
+    "title": "Go 标准库中文文档",
+    "description": "studygolang 维护的标准库中文参考",
+    "url": "https://studygolang.com/pkgdoc",
+    "categoryId": "dev",
+    "pinned": false,
+    "keywords": ["go", "golang", "标准库", "文档"],
+    "sort": 50
+  },
+  {
+    "id": "element-plus",
+    "title": "Element Plus",
+    "description": "Vue 3 组件库与组件总览文档",
+    "url": "https://element-plus.org",
+    "categoryId": "dev",
+    "pinned": false,
+    "keywords": ["vue", "组件库", "ui", "文档"],
+    "sort": 60
+  },
+  {
+    "id": "v-md-editor",
+    "title": "v-md-editor",
+    "description": "Vue Markdown 编辑器中文文档",
+    "url": "https://code-farmer-i.github.io/vue-markdown-editor/zh/",
+    "categoryId": "dev",
+    "pinned": false,
+    "keywords": ["vue", "markdown", "编辑器", "组件"],
+    "sort": 70
+  },
+  {
+    "id": "tsinghua-mirror",
+    "title": "清华镜像站",
+    "description": "清华 TUNA 开源软件镜像仓库",
+    "url": "https://mirrors.tuna.tsinghua.edu.cn",
+    "categoryId": "dev",
+    "pinned": false,
+    "keywords": ["镜像", "开源", "linux", "pypi"],
+    "sort": 100
+  },
+  {
+    "id": "haowallpaper",
+    "title": "哲风壁纸",
+    "description": "高质量免费壁纸下载站",
+    "url": "https://www.haowallpaper.com",
+    "categoryId": "design",
+    "pinned": false,
+    "keywords": ["壁纸", "素材", "背景", "4k"],
+    "sort": 20
+  },
+  {
+    "id": "leetcode",
+    "title": "LeetCode",
+    "description": "算法与数据结构刷题平台",
+    "url": "https://leetcode.cn",
+    "icon": "si:leetcode",
+    "categoryId": "learning",
+    "pinned": false,
+    "keywords": ["算法", "刷题", "面试", "题库"],
+    "sort": 10
+  },
+  {
+    "id": "socpk",
+    "title": "SOCPK",
+    "description": "手机 SoC 性能天梯图与排行",
+    "url": "https://www.socpk.com",
+    "categoryId": "efficiency",
+    "pinned": false,
+    "keywords": ["手机", "芯片", "天梯图", "性能"],
+    "sort": 90
+  },
+  {
+    "id": "wiki-52poke",
+    "title": "神奇宝贝百科",
+    "description": "宝可梦中文资料维基",
+    "url": "https://wiki.52poke.com/wiki/%E4%B8%BB%E9%A1%B5",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["宝可梦", "口袋妖怪", "攻略", "资料"],
+    "sort": 80
+  },
+  {
+    "id": "wiki-52poke-typechart",
+    "title": "宝可梦属性相克表",
+    "description": "宝可梦全属性克制关系速查",
+    "url": "https://wiki.52poke.com/wiki/%E5%B1%9E%E6%80%A7%E7%9B%B8%E5%85%8B%E8%A1%A8",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["宝可梦", "属性", "相克", "速查"],
+    "sort": 90
+  },
+  {
+    "id": "wiki-blhx",
+    "title": "碧蓝航线WIKI",
+    "description": "碧蓝航线官方中文百科",
+    "url": "https://wiki.biligame.com/blhx/%E9%A6%96%E9%A1%B5",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["碧蓝航线", "手游", "攻略", "wiki"],
+    "sort": 100
+  },
+  {
+    "id": "wiki-blhx-boss",
+    "title": "碧蓝航线月度BOSS解析",
+    "description": "大型作战月度 BOSS 攻略解析",
+    "url": "https://wiki.biligame.com/blhx/%E5%A4%A7%E5%9E%8B%E4%BD%9C%E6%88%98%E6%9C%88%E5%BA%A6BOSS%E8%A7%A3%E6%9E%90",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["碧蓝航线", "boss", "攻略", "大型作战"],
+    "sort": 110
+  },
+  {
+    "id": "wiki-fgo",
+    "title": "Mooncell",
+    "description": "FGO 中文维基与攻略资料站",
+    "url": "https://fgo.wiki/w/%E9%A6%96%E9%A1%B5",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["fgo", "mooncell", "从者", "攻略"],
+    "sort": 120
+  },
+  {
+    "id": "wiki-stardew",
+    "title": "星露谷物语中文维基",
+    "description": "星露谷物语官方中文资料维基",
+    "url": "https://zh.stardewvalleywiki.com",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["星露谷物语", "攻略", "作物", "wiki"],
+    "sort": 130
+  },
+  {
+    "id": "wiki-terraria",
+    "title": "泰拉瑞亚中文维基",
+    "description": "泰拉瑞亚官方中文百科",
+    "url": "https://terraria.wiki.gg/zh",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["泰拉瑞亚", "攻略", "物品", "wiki"],
+    "sort": 140
+  },
+  {
+    "id": "wiki-moegirl",
+    "title": "萌娘百科",
+    "description": "ACG 中文百科社区",
+    "url": "https://zh.moegirl.org.cn/zh-hans/Mainpage",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["动漫", "acg", "百科", "二次元"],
+    "sort": 150
+  },
+  {
+    "id": "farmgamehub",
+    "title": "星露谷洒水器规划器",
+    "description": "星露谷物语洒水器布局可视化工具",
+    "url": "https://www.farmgamehub.com/zh/tools/stardew-sprinklers",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["星露谷物语", "洒水器", "布局", "工具"],
+    "sort": 160
+  },
+  {
+    "id": "iodraw",
+    "title": "iodraw",
+    "description": "在线思维导图与白板工具",
+    "url": "https://www.iodraw.com/mind",
+    "categoryId": "design",
+    "pinned": false,
+    "keywords": ["思维导图", "脑图", "白板", "在线"],
+    "sort": 30
+  },
+  {
+    "id": "google-translate",
+    "title": "Google 翻译",
+    "description": "Google 在线机器翻译",
+    "url": "https://translate.google.com",
+    "icon": "si:googletranslate",
+    "categoryId": "efficiency",
+    "pinned": false,
+    "keywords": ["翻译", "翻译器", "英文", "中英"],
+    "sort": 40
+  },
+  {
+    "id": "bing-translate",
+    "title": "微软翻译",
+    "description": "微软必应在线翻译",
+    "url": "https://www.bing.com/translator",
+    "categoryId": "efficiency",
+    "pinned": false,
+    "keywords": ["翻译", "必应", "英文", "中英"],
+    "sort": 50
+  },
+  {
+    "id": "oschina-encrypt",
+    "title": "OSChina 加密解密",
+    "description": "在线加密解密工具集",
+    "url": "https://tool.oschina.net/encrypt",
+    "categoryId": "efficiency",
+    "pinned": false,
+    "keywords": ["加密", "解密", "base64", "工具"],
+    "sort": 60
+  },
+  {
+    "id": "tencent-cloud-console",
+    "title": "腾讯云控制台",
+    "description": "腾讯云服务管理控制台",
+    "url": "https://console.cloud.tencent.com",
+    "categoryId": "efficiency",
+    "pinned": false,
+    "keywords": ["腾讯云", "控制台", "云服务", "服务器"],
+    "sort": 70
+  },
+  {
+    "id": "aliyun-console",
+    "title": "阿里云轻量控制台",
+    "description": "阿里云轻量应用服务器控制台",
+    "url": "https://swas.console.aliyun.com",
+    "categoryId": "efficiency",
+    "pinned": false,
+    "keywords": ["阿里云", "控制台", "轻量服务器", "云服务"],
+    "sort": 80
+  },
+  {
+    "id": "spotify",
+    "title": "Spotify",
+    "description": "在线音乐流媒体播放器",
+    "url": "https://open.spotify.com",
+    "icon": "si:spotify",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["音乐", "播放器", "歌单", "流媒体"],
+    "sort": 30
+  },
+  {
+    "id": "nexusmods",
+    "title": "Nexus Mods",
+    "description": "星露谷等游戏 MOD 下载社区",
+    "url": "https://www.nexusmods.com/games/stardewvalley/mods",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["mod", "游戏", "星露谷物语", "下载"],
+    "sort": 40
+  },
+  {
+    "id": "pokemon-showdown",
+    "title": "Pokemon Showdown",
+    "description": "宝可梦在线对战模拟器",
+    "url": "https://play.pokemonshowdown.com",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["宝可梦", "对战", "游戏", "在线"],
+    "sort": 50
+  },
+  {
+    "id": "expreview",
+    "title": "超能网",
+    "description": "硬件评测与数码资讯媒体",
+    "url": "https://www.expreview.com",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["硬件", "评测", "数码", "装机"],
+    "sort": 60
+  },
+  {
+    "id": "chairo",
+    "title": "Chairo 导航",
+    "description": "二次元 ACG 网站导航",
+    "url": "https://www.chairo.cc",
+    "categoryId": "media",
+    "pinned": false,
+    "keywords": ["导航", "二次元", "acg", "动漫"],
+    "sort": 70
+  },
+  {
+    "id": "amap",
+    "title": "高德地图",
+    "description": "在线地图与出行导航",
+    "url": "https://www.amap.com",
+    "categoryId": "life",
+    "pinned": false,
+    "keywords": ["地图", "导航", "出行", "路线"],
+    "sort": 10
   }
 ]

ts/web/nextjs/polaris/src/features/category/components/category-content.test.tsx

@@ -7,29 +7,39 @@ import { getLinksByCategory } from "@/services/links"
 import { CategoryContent } from "./category-content"
 
 describe("CategoryContent", () => {
-  it("展示开发工具标题、描述、数量和 15 张卡片", () => {
+  it("展示开发工具标题、描述、数量和链接卡片", () => {
     const category = getCategoryById("dev")
     if (!category) throw new Error("测试数据缺少 dev 分类")
+    const links = getLinksByCategory(category.id)
 
     const { container } = render(
-      <CategoryContent
-        category={category}
-        links={getLinksByCategory(category.id)}
-      />,
+      <CategoryContent category={category} links={links} />,
     )
 
     expect(
       screen.getByRole("heading", { level: 1, name: "开发工具" }),
     ).toBeInTheDocument()
     expect(screen.getByText(category.description)).toBeInTheDocument()
-    expect(screen.getByText("共 15 个")).toBeInTheDocument()
-    expect(container.querySelectorAll(".tool-card")).toHaveLength(15)
+    expect(screen.getByText(`共 ${links.length} 个`)).toBeInTheDocument()
+    expect(container.querySelectorAll(".tool-card")).toHaveLength(links.length)
     expect(screen.queryByText("暂无工具")).not.toBeInTheDocument()
 
+    const viewport = screen.getByRole("region", { name: "全部工具" })
+    expect(viewport).toHaveAttribute("tabindex", "0")
+    expect(viewport).toContainElement(
+      screen.getByRole("list", { name: "工具列表" }),
+    )
+    expect(viewport).not.toContainElement(
+      screen.getByText(`共 ${links.length} 个`),
+    )
+    expect(
+      container.querySelector(".category-page__panel"),
+    ).not.toHaveAttribute("tabindex")
+
     const toolLinks = screen
       .getByRole("list", { name: "工具列表" })
       .querySelectorAll("a")
-    expect(toolLinks).toHaveLength(15)
+    expect(toolLinks).toHaveLength(links.length)
     for (const link of toolLinks) {
       expect(link).toHaveAttribute("target", "_blank")
       expect(link).toHaveAttribute("rel", "noopener noreferrer")
@@ -37,19 +47,18 @@ describe("CategoryContent", () => {
   })
 
   it("为空分类展示计数和纯浏览空状态", () => {
-    const category = getCategoryById("design")
-    if (!category) throw new Error("测试数据缺少 design 分类")
+    // life 分类当前已有数据，空状态契约改用空 links 夹具保证始终可测。
+    const category = getCategoryById("life")
+    if (!category) throw new Error("测试数据缺少 life 分类")
 
-    render(
-      <CategoryContent
-        category={category}
-        links={getLinksByCategory(category.id)}
-      />,
-    )
+    render(<CategoryContent category={category} links={[]} />)
 
     expect(screen.getByText("共 0 个")).toBeInTheDocument()
     expect(screen.getByText("暂无工具")).toBeInTheDocument()
     expect(screen.getByText("这个分类下还没有添加链接。")).toBeInTheDocument()
+    const viewport = screen.getByRole("region", { name: "全部工具" })
+    expect(viewport).toContainElement(screen.getByText("暂无工具"))
+    expect(viewport).not.toHaveAttribute("tabindex")
     expect(screen.queryByRole("button")).not.toBeInTheDocument()
     expect(
       screen.queryByRole("list", { name: "工具列表" }),
@@ -57,24 +66,20 @@ describe("CategoryContent", () => {
   })
 
   it.each([
-    ["ai", 1],
-    ["dev", 15],
-    ["design", 0],
-    ["learning", 0],
-    ["efficiency", 2],
-    ["media", 2],
-    ["life", 0],
-  ] as const)("%s 分类展示正确数量", (categoryId, count) => {
+    "ai",
+    "dev",
+    "design",
+    "learning",
+    "efficiency",
+    "media",
+    "life",
+  ] as const)("%s 分类展示服务提供的数量", (categoryId) => {
     const category = getCategoryById(categoryId)
     if (!category) throw new Error(`测试数据缺少 ${categoryId} 分类`)
+    const links = getLinksByCategory(category.id)
 
-    render(
-      <CategoryContent
-        category={category}
-        links={getLinksByCategory(category.id)}
-      />,
-    )
+    render(<CategoryContent category={category} links={links} />)
 
-    expect(screen.getByText(`共 ${count} 个`)).toBeInTheDocument()
+    expect(screen.getByText(`共 ${links.length} 个`)).toBeInTheDocument()
   })
 })

ts/web/nextjs/polaris/src/features/category/components/category-content.tsx

@@ -15,16 +15,20 @@ export function CategoryContent({ category, links }: CategoryContentProps) {
     <main className="category-page">
       <GlassPanel className="category-page__panel">
         <CategoryHeader category={category} />
-        <section
-          className="category-tools"
-          aria-labelledby="category-tools-title"
-        >
+        <section className="category-tools">
           <CategorySectionHeader count={links.length} />
+          <div
+            className="category-tools__viewport"
+            role="region"
+            aria-labelledby="category-tools-title"
+            tabIndex={links.length > 0 ? 0 : undefined}
+          >
             {links.length > 0 ? (
               <ToolGrid links={links} />
             ) : (
               <CategoryEmptyState />
             )}
+          </div>
         </section>
       </GlassPanel>
     </main>

ts/web/nextjs/polaris/src/services/services.test.ts

@@ -33,39 +33,39 @@ describe("静态数据 service", () => {
     const first = getLinksByCategory("dev")
     const second = getLinksByCategory("dev")
 
-    expect(first).toHaveLength(15)
+    expect(first).toHaveLength(12)
     expect(first.map(({ id }) => id)).toEqual([
       "github",
-      "gitlab",
-      "bitbucket",
-      "vscode",
-      "jetbrains",
-      "goland",
-      "postman",
+      "gitee",
+      "go",
+      "go-zero",
+      "go-stdlib-zh",
+      "element-plus",
+      "v-md-editor",
       "docker",
       "kubernetes",
-      "vercel",
-      "netlify",
-      "render",
+      "tsinghua-mirror",
       "npm",
       "pnpm",
-      "figma",
     ])
     expect(first).not.toBe(second)
     expect(first[0]).not.toBe(second[0])
     expect(first[0].keywords).not.toBe(second[0].keywords)
-    expect(getLinksByCategory("design")).toEqual([])
+    expect(getLinksByCategory("design").map(({ id }) => id)).toEqual([
+      "iconfont",
+      "haowallpaper",
+      "iodraw",
+    ])
+    expect(getLinksByCategory("life").map(({ id }) => id)).toEqual(["amap"])
   })
 
-  it("按 pinnedSort 返回首页 8 个常用链接", () => {
+  it("按 pinnedSort 返回首页 6 个常用链接", () => {
     expect(getPinnedLinks().map(({ id }) => id)).toEqual([
       "github",
       "chatgpt",
       "gmail",
       "notion",
-      "figma",
       "youtube",
-      "vercel",
       "bilibili",
     ])
   })