refactor: 抽离短信验证码倒计时 Composable 并拆分模块化 base.css 样式文件

frontend/src/composables/useSmsCountdown.ts

@@ -0,0 +1,69 @@
+import { onUnmounted, ref } from "vue";
+import { showToast } from "vant";
+import { sendSmsCode } from "@/api/auth";
+
+export function useSmsCountdown() {
+  const countDown = ref(0);
+  const sending = ref(false);
+  let timer: ReturnType<typeof setInterval> | null = null;
+
+  function startCountDown() {
+    countDown.value = 60;
+    timer = setInterval(() => {
+      countDown.value--;
+      if (countDown.value <= 0) {
+        clearInterval(timer!);
+        timer = null;
+      }
+    }, 1000);
+  }
+
+  onUnmounted(() => {
+    if (timer) {
+      clearInterval(timer);
+      timer = null;
+    }
+  });
+
+  async function handleSendCode(phone: string) {
+    if (!phone.trim()) {
+      showToast({ message: "请输入手机号", icon: "warning-o" });
+      return false;
+    }
+
+    sending.value = true;
+    try {
+      await sendSmsCode(phone);
+      showToast({
+        message: "验证码已发送，开发环境请查看后端日志",
+        icon: "passed",
+      });
+      startCountDown();
+      return true;
+    } catch (error) {
+      showToast({
+        message: readError(error, "验证码发送失败，请稍后重试"),
+        icon: "cross",
+      });
+      return false;
+    } finally {
+      sending.value = false;
+    }
+  }
+
+  function readError(error: unknown, fallback: string) {
+    if (typeof error === "object" && error && "response" in error) {
+      const response = (error as { response?: { data?: { message?: string } } })
+        .response;
+      return response?.data?.message || fallback;
+    }
+    return fallback;
+  }
+
+  return {
+    countDown,
+    sending,
+    handleSendCode,
+    readError,
+  };
+}

frontend/src/main.ts

@@ -2,6 +2,8 @@ import "element-plus/theme-chalk/el-message.css";
 import "element-plus/theme-chalk/el-message-box.css";
 import "vant/lib/index.css";
 import "./styles/base.css";
+import "./styles/pc.css";
+import "./styles/admin.css";
 
 import { createPinia } from "pinia";
 import { createApp } from "vue";

frontend/src/styles/admin.css

@@ -0,0 +1,241 @@
+.admin-shell {
+  display: grid;
+  min-height: 100vh;
+  grid-template-columns: 260px 1fr;
+  background: #f5f7fb;
+}
+
+.admin-sidebar {
+  display: flex;
+  flex-direction: column;
+  min-width: 0;
+  border-right: 1px solid #dfe5ec;
+  background: #111827;
+  padding: 20px 16px;
+  color: #dbe4ee;
+}
+
+.admin-brand {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  min-height: 44px;
+  color: #ffffff;
+  font-weight: 700;
+}
+
+.admin-nav {
+  display: grid;
+  gap: 6px;
+  margin-top: 28px;
+}
+
+.admin-nav-link {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  min-height: 42px;
+  border-radius: 8px;
+  padding: 0 12px;
+  color: #b7c3d2;
+}
+
+.admin-nav-link.router-link-active {
+  background: #0f766e;
+  color: #ffffff;
+  font-weight: 600;
+}
+
+.admin-workspace {
+  min-width: 0;
+  overflow: hidden;
+}
+
+.admin-topbar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  min-height: 64px;
+  border-bottom: 1px solid #e4e7ed;
+  background: #ffffff;
+  padding: 0 28px;
+}
+
+.admin-topbar span {
+  display: block;
+  color: #6b7785;
+  font-size: 12px;
+}
+
+.admin-topbar strong {
+  display: block;
+  margin-top: 3px;
+  color: #111827;
+}
+
+.admin-main {
+  width: 100%;
+  min-width: 0;
+  padding: 28px clamp(18px, 2.4vw, 36px);
+}
+
+.admin-main .page {
+  max-width: none;
+}
+
+.admin-login-shell {
+  display: grid;
+  min-height: 100vh;
+  place-items: center;
+  background: linear-gradient(
+      135deg,
+      rgba(15, 118, 110, 0.12),
+      rgba(17, 24, 39, 0.08)
+    ),
+    #f5f7fb;
+  padding: 24px;
+}
+
+.admin-login-panel {
+  width: min(420px, 100%);
+  border: 1px solid #e4e7ed;
+  border-radius: 8px;
+  background: #ffffff;
+  padding: 28px;
+  box-shadow: 0 20px 60px rgba(17, 24, 39, 0.1);
+}
+
+.admin-login-brand {
+  display: inline-flex;
+  align-items: center;
+  gap: 10px;
+  color: #111827;
+  font-weight: 700;
+}
+
+.admin-login-header {
+  margin: 28px 0 22px;
+}
+
+.admin-login-header h1 {
+  font-size: 30px;
+}
+
+.admin-login-header p:last-child {
+  margin: 10px 0 0;
+  color: #52616f;
+}
+
+.admin-captcha-row {
+  display: grid;
+  grid-template-columns: 1fr 132px;
+  gap: 10px;
+  width: 100%;
+}
+
+.captcha-image-button {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 44px;
+  border: 1px solid #dcdfe6;
+  border-radius: 6px;
+  background: #ffffff;
+  padding: 0;
+  cursor: pointer;
+  overflow: hidden;
+}
+
+.captcha-image-button:disabled {
+  cursor: wait;
+  opacity: 0.7;
+}
+
+.captcha-image-button img {
+  display: block;
+  width: 132px;
+  height: 44px;
+}
+
+@media (max-width: 1180px) {
+  .admin-shell {
+    grid-template-columns: 220px 1fr;
+  }
+
+  .admin-sidebar {
+    padding: 18px 12px;
+  }
+
+  .admin-nav-link {
+    padding: 0 10px;
+  }
+}
+
+@media (max-width: 900px) {
+  .admin-shell {
+    grid-template-columns: 1fr;
+  }
+
+  .admin-sidebar {
+    position: sticky;
+    top: 0;
+    z-index: 10;
+    border-right: 0;
+    border-bottom: 1px solid #1f2937;
+    padding: 12px 14px;
+  }
+
+  .admin-brand {
+    min-height: 36px;
+  }
+
+  .admin-nav {
+    grid-auto-flow: column;
+    grid-auto-columns: max-content;
+    gap: 8px;
+    margin-top: 12px;
+    overflow-x: auto;
+    padding-bottom: 2px;
+  }
+
+  .admin-nav-link {
+    min-height: 38px;
+    white-space: nowrap;
+  }
+
+  .admin-topbar {
+    min-height: 58px;
+    padding: 0 16px;
+  }
+
+  .admin-main {
+    padding: 22px 16px;
+  }
+}
+
+@media (max-width: 520px) {
+  .admin-topbar {
+    align-items: flex-start;
+    flex-direction: column;
+    justify-content: center;
+    gap: 10px;
+    padding: 12px 16px;
+  }
+
+  .admin-topbar .el-button {
+    width: 100%;
+  }
+
+  .dashboard-panels {
+    grid-template-columns: 1fr;
+  }
+
+  .admin-captcha-row {
+    grid-template-columns: 1fr;
+  }
+
+  .captcha-image-button,
+  .captcha-image-button img {
+    width: 100%;
+  }
+}

frontend/src/views/mobile/MobileLoginView.vue

@@ -1,76 +1,22 @@
 <script setup lang="ts">
-import { onUnmounted, reactive, ref } from "vue";
+import { reactive, ref } from "vue";
 import { RouterLink, useRoute, useRouter } from "vue-router";
 import { showToast, showDialog } from "vant";
 
-import { sendSmsCode } from "@/api/auth";
 import { useSessionStore } from "@/stores/session";
+import { useSmsCountdown } from "@/composables/useSmsCountdown";
 
 const router = useRouter();
 const route = useRoute();
 const session = useSessionStore();
 const loading = ref(false);
-const sending = ref(false);
 const agreed = ref(false);
 const form = reactive({
   phone: "",
   code: "",
 });
 
-const countDown = ref(0);
-let timer: ReturnType<typeof setInterval> | null = null;
-
-function startCountDown() {
-  countDown.value = 60;
-  timer = setInterval(() => {
-    countDown.value--;
-    if (countDown.value <= 0) {
-      clearInterval(timer!);
-      timer = null;
-    }
-  }, 1000);
-}
-
-onUnmounted(() => {
-  if (timer) {
-    clearInterval(timer);
-    timer = null;
-  }
-});
-
-/* --------- 业务方法 --------- */
-async function handleSendCode() {
-  if (!form.phone.trim()) {
-    showToast({ message: "请输入手机号", icon: "warning-o" });
-    return;
-  }
-
-  sending.value = true;
-  try {
-    await sendSmsCode(form.phone);
-    showToast({
-      message: "验证码已发送，开发环境请查看后端日志",
-      icon: "passed",
-    });
-    startCountDown();
-  } catch (error) {
-    showToast({
-      message: readError(error, "验证码发送失败，请稍后重试"),
-      icon: "cross",
-    });
-  } finally {
-    sending.value = false;
-  }
-}
-
-function readError(error: unknown, fallback: string) {
-  if (typeof error === "object" && error && "response" in error) {
-    const response = (error as { response?: { data?: { message?: string } } })
-      .response;
-    return response?.data?.message || fallback;
-  }
-  return fallback;
-}
+const { countDown, sending, handleSendCode, readError } = useSmsCountdown();
 
 async function handleLogin() {
   if (!agreed.value) {
@@ -135,7 +81,7 @@ async function handleLogin() {
               :disabled="sending || countDown > 0"
               :loading="sending"
               class="code-btn"
-              @click="handleSendCode"
+              @click="handleSendCode(form.phone)"
             >
               {{
                 countDown > 0

frontend/src/views/mobile/MobileRegisterView.vue

@@ -1,16 +1,15 @@
 <script setup lang="ts">
-import { onUnmounted, reactive, ref } from "vue";
+import { reactive, ref } from "vue";
 import { RouterLink, useRoute, useRouter } from "vue-router";
 import { showToast } from "vant";
 
-import { sendSmsCode } from "@/api/auth";
 import { useSessionStore } from "@/stores/session";
+import { useSmsCountdown } from "@/composables/useSmsCountdown";
 
 const router = useRouter();
 const route = useRoute();
 const session = useSessionStore();
 const loading = ref(false);
-const sending = ref(false);
 const agreed = ref(false);
 const form = reactive({
   phone: "",
@@ -18,61 +17,7 @@ const form = reactive({
   inviteCode: "",
 });
 
-/* --------- 验证码倒计时 --------- */
-const countDown = ref(0);
-let timer: ReturnType<typeof setInterval> | null = null;
-
-function startCountDown() {
-  countDown.value = 60;
-  timer = setInterval(() => {
-    countDown.value--;
-    if (countDown.value <= 0) {
-      clearInterval(timer!);
-      timer = null;
-    }
-  }, 1000);
-}
-
-onUnmounted(() => {
-  if (timer) {
-    clearInterval(timer);
-    timer = null;
-  }
-});
-
-/* --------- 业务方法 --------- */
-async function handleSendCode() {
-  if (!form.phone.trim()) {
-    showToast({ message: "请输入手机号", icon: "warning-o" });
-    return;
-  }
-
-  sending.value = true;
-  try {
-    await sendSmsCode(form.phone);
-    showToast({
-      message: "验证码已发送，开发环境请查看后端日志",
-      icon: "passed",
-    });
-    startCountDown();
-  } catch (error) {
-    showToast({
-      message: readError(error, "验证码发送失败，请稍后重试"),
-      icon: "cross",
-    });
-  } finally {
-    sending.value = false;
-  }
-}
-
-function readError(error: unknown, fallback: string) {
-  if (typeof error === "object" && error && "response" in error) {
-    const response = (error as { response?: { data?: { message?: string } } })
-      .response;
-    return response?.data?.message || fallback;
-  }
-  return fallback;
-}
+const { countDown, sending, handleSendCode, readError } = useSmsCountdown();
 
 async function handleRegister() {
   if (!agreed.value) {
@@ -138,7 +83,7 @@ async function handleRegister() {
               :disabled="sending || countDown > 0"
               :loading="sending"
               class="code-btn"
-              @click="handleSendCode"
+              @click="handleSendCode(form.phone)"
             >
               {{
                 countDown > 0