完善桌面端界面、发布检查与邮箱域名同步

frontend/src/views/DesktopPreferences.vue

@@ -3,9 +3,9 @@
     <header class="preferences-header">
       <div>
         <p class="preferences-kicker">CTMS Desktop</p>
-        <h3>桌面偏好</h3>
+        <h3>系统偏好</h3>
       </div>
-      <el-button text :icon="Close" aria-label="关闭桌面偏好" @click="emit('close-request')" />
+      <el-button text :icon="Close" aria-label="关闭系统偏好" @click="emit('close-request')" />
     </header>
 
     <section class="preference-section">
@@ -17,6 +17,29 @@
       </div>
     </section>
 
+    <section class="preference-section">
+      <div class="section-title">外观</div>
+      <div class="preference-row">
+        <div>
+          <div class="row-title">界面主题</div>
+          <div class="row-desc">切换桌面工作台与系统弹窗的明暗配色</div>
+        </div>
+        <div class="theme-segmented" role="group" aria-label="界面主题">
+          <button
+            v-for="option in themeOptions"
+            :key="option.value"
+            type="button"
+            class="theme-option"
+            :class="{ active: desktopTheme === option.value }"
+            @click="setTheme(option.value)"
+          >
+            <el-icon><component :is="option.icon" /></el-icon>
+            <span>{{ option.label }}</span>
+          </button>
+        </div>
+      </div>
+    </section>
+
     <section class="preference-section">
       <div class="section-title">通知与更新</div>
       <div class="preference-row">
@@ -63,7 +86,7 @@
 import { computed, onMounted, ref } from "vue";
 import { useRouter } from "vue-router";
 import { ElMessage } from "element-plus";
-import { Close } from "@element-plus/icons-vue";
+import { Close, Moon, Sunny } from "@element-plus/icons-vue";
 import {
   getDesktopNotificationSubscription,
   setDesktopNotificationSubscription,
@@ -74,7 +97,10 @@ import {
   getDesktopServerUrl,
   getNotificationPermission,
   isDesktopUpdaterAvailable,
+  readDesktopThemePreference,
   requestNotificationPermission,
+  setDesktopThemePreference,
+  type DesktopThemePreference,
   type NotificationPermissionState,
 } from "../runtime";
 import { checkDesktopUpdateAndPrompt } from "../session/desktopUpdateManager";
@@ -92,13 +118,19 @@ const desktopUpdaterAvailable = isDesktopUpdaterAvailable();
 const desktopNotificationsEnabled = ref(false);
 const desktopNotificationLoading = ref(false);
 const desktopUpdateChecking = ref(false);
+const desktopTheme = ref<DesktopThemePreference>(readDesktopThemePreference());
 const notificationPermission = ref<NotificationPermissionState>("unsupported");
+const themeOptions = [
+  { value: "light" as const, label: "明亮", icon: Sunny },
+  { value: "dark" as const, label: "暗黑", icon: Moon },
+];
 
 const clientMetadataRows = computed(() => [
   { label: "客户端", value: `${clientMetadata.clientType} ${clientMetadata.version}` },
   { label: "平台", value: clientMetadata.platform },
   { label: "构建通道", value: clientMetadata.channel },
   { label: "提交", value: clientMetadata.commit },
+  { label: "主题", value: desktopTheme.value === "dark" ? "暗黑" : "明亮" },
   { label: "服务器", value: desktopServerUrl.value || "未配置" },
   {
     label: "能力",
@@ -168,6 +200,10 @@ const checkDesktopUpdateNow = async () => {
   }
 };
 
+const setTheme = (theme: DesktopThemePreference) => {
+  desktopTheme.value = setDesktopThemePreference(theme);
+};
+
 const copyClientMetadata = async () => {
   const text = clientMetadataRows.value.map((row) => `${row.label}: ${row.value}`).join("\n");
   await navigator.clipboard?.writeText(text);
@@ -273,6 +309,45 @@ code {
   gap: 10px;
 }
 
+.theme-segmented {
+  display: inline-grid;
+  grid-template-columns: repeat(2, minmax(76px, 1fr));
+  gap: 4px;
+  padding: 4px;
+  border: 1px solid #dbe6f2;
+  border-radius: 9px;
+  background: #f1f5f9;
+}
+
+.theme-option {
+  appearance: none;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  min-width: 76px;
+  height: 30px;
+  padding: 0 10px;
+  border: 0;
+  border-radius: 7px;
+  background: transparent;
+  color: #64748b;
+  cursor: pointer;
+  font: inherit;
+  font-size: 12px;
+  font-weight: 700;
+}
+
+.theme-option:hover {
+  color: #0f172a;
+}
+
+.theme-option.active {
+  background: #ffffff;
+  color: #24496f;
+  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
+}
+
 .metadata-panel {
   display: grid;
   grid-template-columns: minmax(0, 1fr) auto;
@@ -299,4 +374,56 @@ dd {
   font-size: 12px;
   overflow-wrap: anywhere;
 }
+
+:global([data-ctms-theme="dark"] .desktop-preferences-dialog .el-dialog__body) {
+  background: #111827;
+}
+
+:global([data-ctms-theme="dark"]) .desktop-preferences {
+  color: #e5edf7;
+}
+
+:global([data-ctms-theme="dark"]) .preferences-kicker {
+  color: #93c5fd;
+}
+
+:global([data-ctms-theme="dark"]) h3,
+:global([data-ctms-theme="dark"]) .row-title,
+:global([data-ctms-theme="dark"]) dd,
+:global([data-ctms-theme="dark"]) code {
+  color: #f8fafc;
+}
+
+:global([data-ctms-theme="dark"]) .section-title,
+:global([data-ctms-theme="dark"]) .server-label,
+:global([data-ctms-theme="dark"]) .row-desc,
+:global([data-ctms-theme="dark"]) dt {
+  color: #94a3b8;
+}
+
+:global([data-ctms-theme="dark"]) .server-card,
+:global([data-ctms-theme="dark"]) .preference-row,
+:global([data-ctms-theme="dark"]) .metadata-panel {
+  border-color: #26364a;
+  background: #172033;
+}
+
+:global([data-ctms-theme="dark"]) .theme-segmented {
+  border-color: #26364a;
+  background: #0f172a;
+}
+
+:global([data-ctms-theme="dark"]) .theme-option {
+  color: #94a3b8;
+}
+
+:global([data-ctms-theme="dark"]) .theme-option:hover {
+  color: #f8fafc;
+}
+
+:global([data-ctms-theme="dark"]) .theme-option.active {
+  background: #243247;
+  color: #bfdbfe;
+  box-shadow: none;
+}
 </style>