chore(mock): 粉/紫两包下线后 mock 主题改指 academic-navy/campus-azure

后端删除 cherry-bloom/violet-iris，改以学院蓝为基座的学府藏蓝/青蓝校园两包接管；
mock 主题清单同步换名换标题换色（cssVar 用各皮肤私有前缀 --an-*/--cz-*），
院系子站种子站点 theme 一并改指，避免管理端主题选择器出现已不存在的皮肤。

mock/data.ts

@@ -231,7 +231,7 @@ export function seedDb(): MockDb {
             schId: 1001,
             schName: "云海大学",
             name: "机电学院",
-            theme: "cherry-bloom",
+            theme: "academic-navy",
             configJson: JSON.stringify({
                 public_base_url: "http://www.yunhai-demo.edu.cn/college/jdx",
                 copyright: "机电学院 · Mock 数据",
@@ -247,7 +247,7 @@ export function seedDb(): MockDb {
             schId: 1001,
             schName: "云海大学",
             name: "信息工程学院",
-            theme: "violet-iris",
+            theme: "campus-azure",
             configJson: JSON.stringify({
                 public_base_url: "http://www.yunhai-demo.edu.cn/college/xxgc",
                 copyright: "信息工程学院 · Mock 数据",

mock/index.ts

@@ -104,31 +104,31 @@ const THEMES: MockTheme[] = [
         ],
     },
     {
-        name: "cherry-bloom",
-        title: "樱语粉韵",
-        description: "温柔樱粉风门户：樱花粉品牌色 + 大圆角 16px 卡片网格列表，适合幼儿园与小学。",
+        name: "academic-navy",
+        title: "学府藏蓝",
+        description: "高校官网门户：藏蓝顶栏 + 金线标题 + 日期方块列表 + 双栏要闻，适合综合类大学/工科学院。",
         version: "1.0.0",
         author: "yunhai",
         bannerSize: "1920x560",
-        screenshotUrl: "/api/theme/cherry-bloom/asset/screenshot.png",
+        screenshotUrl: "/api/theme/academic-navy/asset/screenshot.png",
         params: [
-            { key: "primary", cssVar: "--primary", label: "主色", type: "color", defaultValue: "#DB5A8B" },
-            { key: "primaryDark", cssVar: "--primary-dark", label: "主色加深", type: "color", defaultValue: "#B23A68" },
-            { key: "bg", cssVar: "--bg", label: "页面底色", type: "color", defaultValue: "#FFFAFB" },
+            { key: "primary", cssVar: "--an-primary", label: "主色", type: "color", defaultValue: "#0b4a8f" },
+            { key: "primaryDark", cssVar: "--an-primary-dark", label: "主色加深", type: "color", defaultValue: "#063161" },
+            { key: "accent", cssVar: "--an-accent", label: "点缀金", type: "color", defaultValue: "#b8934a" },
         ],
     },
     {
-        name: "violet-iris",
-        title: "鸢尾紫韵",
-        description: "雅致鸢尾紫门户：沉静书卷气 + 圆角 12px 卡片网格列表，适合高校与教科研机构。",
+        name: "campus-azure",
+        title: "青蓝校园",
+        description: "高校官网门户：青蓝顶栏 + 居中双线标题 + 全宽封面头条 + 圆点密行，适合师范/农林类院校。",
         version: "1.0.0",
         author: "yunhai",
         bannerSize: "1920x560",
-        screenshotUrl: "/api/theme/violet-iris/asset/screenshot.png",
+        screenshotUrl: "/api/theme/campus-azure/asset/screenshot.png",
         params: [
-            { key: "primary", cssVar: "--primary", label: "主色", type: "color", defaultValue: "#6552D9" },
-            { key: "primaryDark", cssVar: "--primary-dark", label: "主色加深", type: "color", defaultValue: "#4A39B0" },
-            { key: "bg", cssVar: "--bg", label: "页面底色", type: "color", defaultValue: "#F8F7FD" },
+            { key: "primary", cssVar: "--cz-primary", label: "主色", type: "color", defaultValue: "#0d6a9e" },
+            { key: "primaryDark", cssVar: "--cz-primary-dark", label: "主色加深", type: "color", defaultValue: "#084c73" },
+            { key: "accent", cssVar: "--cz-accent", label: "点缀青绿", type: "color", defaultValue: "#2b9c8f" },
         ],
     },
 ];