diff --git a/frontend/components.d.ts b/frontend/components.d.ts
index 70802f1..3785345 100644
--- a/frontend/components.d.ts
+++ b/frontend/components.d.ts
@@ -17,21 +17,14 @@ declare module 'vue' {
     VanCell: typeof import('vant/es')['Cell']
     VanCellGroup: typeof import('vant/es')['CellGroup']
     VanCheckbox: typeof import('vant/es')['Checkbox']
-    VanDropdownItem: typeof import('vant/es')['DropdownItem']
-    VanDropdownMenu: typeof import('vant/es')['DropdownMenu']
     VanEmpty: typeof import('vant/es')['Empty']
     VanField: typeof import('vant/es')['Field']
-    VanGrid: typeof import('vant/es')['Grid']
-    VanGridItem: typeof import('vant/es')['GridItem']
     VanIcon: typeof import('vant/es')['Icon']
-    VanImage: typeof import('vant/es')['Image']
     VanLoading: typeof import('vant/es')['Loading']
     VanNoticeBar: typeof import('vant/es')['NoticeBar']
     VanPopup: typeof import('vant/es')['Popup']
     VanPullRefresh: typeof import('vant/es')['PullRefresh']
     VanSearch: typeof import('vant/es')['Search']
-    VanTabbar: typeof import('vant/es')['Tabbar']
-    VanTabbarItem: typeof import('vant/es')['TabbarItem']
     VanTag: typeof import('vant/es')['Tag']
   }
 }
diff --git a/frontend/src/api/client.ts b/frontend/src/api/client.ts
index dc6fbe5..9148212 100644
--- a/frontend/src/api/client.ts
+++ b/frontend/src/api/client.ts
@@ -14,3 +14,37 @@ apiClient.interceptors.request.use((config) => {
   }
   return config
 })
+
+apiClient.interceptors.response.use(
+  (response) => response,
+  (error) => {
+    if (error?.response?.status !== 401) {
+      return Promise.reject(error)
+    }
+
+    const requestUrl = error.config?.url || ''
+    const isAdminRequest = requestUrl.startsWith('/admin')
+    const currentPath = window.location.pathname + window.location.search
+
+    if (isAdminRequest) {
+      localStorage.removeItem('admin_access_token')
+      localStorage.removeItem('admin_refresh_token')
+      if (!window.location.pathname.startsWith('/admin/login')) {
+        window.location.assign('/admin/login')
+      }
+      return Promise.reject(error)
+    }
+
+    localStorage.removeItem('access_token')
+    localStorage.removeItem('refresh_token')
+    localStorage.removeItem('user_id')
+
+    if (!window.location.pathname.startsWith('/m/login') && !window.location.pathname.startsWith('/m/register')) {
+      const redirect = encodeURIComponent(currentPath)
+      const loginPath = window.location.pathname.startsWith('/m') ? '/m/login' : '/login'
+      window.location.assign(`${loginPath}?redirect=${redirect}`)
+    }
+
+    return Promise.reject(error)
+  },
+)
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index 8123e82..b746c69 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -40,32 +40,32 @@ const router = createRouter({
       path: "/m/messages",
       name: "mobile-messages",
       component: () => import("@/views/mobile/MobileMessagesView.vue"),
-      meta: { layout: "blank" },
+      meta: { layout: "blank", requiresAuth: true },
     },
     {
       path: "/m/realname",
       name: "mobile-realname",
       component: () => import("@/views/mobile/MobileRealnameView.vue"),
-      meta: { layout: "blank" },
+      meta: { layout: "blank", requiresAuth: true },
     },
     {
       path: "/m/profile",
       name: "mobile-profile",
       component: () => import("@/views/mobile/MobileProfileView.vue"),
-      meta: { layout: "blank" },
+      meta: { layout: "blank", requiresAuth: true },
     },
     {
       path: "/m/orders",
       name: "mobile-orders",
       component: () => import("@/views/mobile/MobileOrdersView.vue"),
-      meta: { layout: "blank" },
+      meta: { layout: "blank", requiresAuth: true },
     },
     {
       path: "/m/seller/listings/create",
       name: "mobile-seller-listing-create",
       component: () =>
         import("@/views/mobile/MobileSellerListingCreateView.vue"),
-      meta: { layout: "blank" },
+      meta: { layout: "blank", requiresAuth: true },
     },
     {
       path: "/",
@@ -217,6 +217,10 @@ router.beforeEach((to) => {
     return { path: toMobilePath(to.path), query: to.query, hash: to.hash };
   }
 
+  if (to.meta.requiresAuth && !localStorage.getItem("access_token")) {
+    return { path: "/m/login", query: { redirect: to.fullPath } };
+  }
+
   if (
     to.path === "/admin/login" &&
     localStorage.getItem("admin_access_token")
diff --git a/frontend/src/views/mobile/MobileLoginView.vue b/frontend/src/views/mobile/MobileLoginView.vue
index 7a42c55..bef6ae9 100644
--- a/frontend/src/views/mobile/MobileLoginView.vue
+++ b/frontend/src/views/mobile/MobileLoginView.vue
@@ -1,12 +1,13 @@
 <script setup lang="ts">
 import { onUnmounted, reactive, ref } from "vue";
-import { RouterLink, useRouter } from "vue-router";
+import { RouterLink, useRoute, useRouter } from "vue-router";
 import { showToast, showDialog } from "vant";
 
 import { sendSmsCode } from "@/api/auth";
 import { useSessionStore } from "@/stores/session";
 
 const router = useRouter();
+const route = useRoute();
 const session = useSessionStore();
 const loading = ref(false);
 const sending = ref(false);
@@ -83,7 +84,8 @@ async function handleLogin() {
   loading.value = true;
   try {
     await session.login(form.phone, form.code);
-    await router.push("/m/profile");
+    const redirect = typeof route.query.redirect === "string" ? route.query.redirect : "/m/profile";
+    await router.replace(redirect);
   } catch {
     showToast({ message: "登录失败，请检查手机号和验证码", icon: "cross" });
   } finally {
@@ -94,276 +96,278 @@ async function handleLogin() {
 
 <template>
   <main class="mobile-login-shell">
-    <section class="login-card">
-      <!-- 品牌区域 -->
-      <div class="login-top">
-        <div class="monster-logo">锤</div>
+    <header class="page-header">
+      <button class="back-btn" type="button" @click="router.back()">
+        <van-icon name="arrow-left" :size="20" />
+      </button>
+      <h1>登录</h1>
+      <span class="header-spacer"></span>
+    </header>
+
+    <section class="auth-body">
+      <div class="brand-row">
+        <div class="brand-logo">锤</div>
         <div>
-          <p>大锤商行</p>
-          <small>平台担保 · 安全租号</small>
+          <strong>大锤商行</strong>
+          <p>平台担保 · 安全租号</p>
         </div>
       </div>
 
-      <!-- 登录/注册 Tab 切换 -->
       <div class="auth-switch" aria-label="登录注册切换">
         <RouterLink to="/m/login" class="active">登录</RouterLink>
         <RouterLink to="/m/register">注册</RouterLink>
       </div>
 
-      <p class="login-eyebrow">SMS LOGIN</p>
-      <h1>手机号登录</h1>
-      <p class="login-subtitle">验证码登录，开发环境验证码查看后端日志。</p>
+      <div class="form-section">
+        <div class="section-heading">
+          <h2>手机号登录</h2>
+          <p>使用短信验证码登录，开发环境验证码查看后端日志。</p>
+        </div>
 
-      <!-- 手机号输入 -->
-      <van-field
-        v-model="form.phone"
-        type="tel"
-        maxlength="11"
-        placeholder="请输入手机号"
-        clearable
-        class="login-field"
-      >
-        <template #left-icon>
+        <label class="auth-input-row">
+          <span class="input-label">手机号</span>
           <span class="field-prefix">+86</span>
-        </template>
-      </van-field>
+          <input
+            v-model="form.phone"
+            type="tel"
+            maxlength="11"
+            placeholder="请输入手机号"
+          />
+        </label>
 
-      <!-- 验证码输入 -->
-      <van-field
-        v-model="form.code"
-        type="digit"
-        maxlength="6"
-        placeholder="6 位验证码"
-        class="login-field"
-        :left-icon="'shield-o'"
-      >
-        <template #button>
-          <van-button
-            size="small"
-            type="primary"
-            plain
-            round
-            :disabled="sending || countDown > 0"
-            :loading="sending"
-            @click="handleSendCode"
-          >
-            {{
-              countDown > 0
-                ? `${countDown}s`
-                : sending
-                ? "发送中"
-                : "发送验证码"
-            }}
-          </van-button>
-        </template>
-      </van-field>
+        <label class="auth-input-row code-row">
+          <span class="input-label">验证码</span>
+          <input
+            v-model="form.code"
+            type="text"
+            inputmode="numeric"
+            maxlength="6"
+            placeholder="6 位验证码"
+          />
+          <span class="code-action">
+            <van-button
+              size="small"
+              type="primary"
+              plain
+              :disabled="sending || countDown > 0"
+              :loading="sending"
+              class="code-btn"
+              @click="handleSendCode"
+            >
+              {{
+                countDown > 0
+                  ? `${countDown}s`
+                  : sending
+                  ? "发送中"
+                  : "发送验证码"
+              }}
+            </van-button>
+          </span>
+        </label>
 
-      <!-- 底部链接行 -->
-      <div class="login-links">
-        <van-button size="mini" plain type="primary">忘记密码</van-button>
-      </div>
+        <div class="agreement-row">
+          <van-checkbox v-model="agreed" shape="square" icon-size="16px">
+            我已阅读并同意《<b>用户协议</b>》和《<b>隐私政策</b>》
+          </van-checkbox>
+        </div>
 
-      <!-- 用户协议 -->
-      <div class="agreement-row">
-        <van-checkbox v-model="agreed" shape="square" icon-size="16px">
-          我已阅读并同意《<b>用户协议</b>》和《<b>隐私政策</b>》
-        </van-checkbox>
-      </div>
-
-      <!-- 登录按钮 -->
-      <van-button
-        type="primary"
-        block
-        round
-        class="login-button"
-        :loading="loading"
-        loading-text="登录中..."
-        @click="handleLogin"
-      >
-        登录
-      </van-button>
-
-      <!-- 底部注册入口 -->
-      <RouterLink
-        to="/m/register"
-        class="register-entry"
-        custom
-        v-slot="{ navigate }"
-      >
         <van-button
-          plain
           type="primary"
           block
-          round
-          size="small"
-          class="register-button"
-          @click="navigate"
+          class="primary-button"
+          :loading="loading"
+          loading-text="登录中..."
+          @click="handleLogin"
         >
-          没有账号？立即注册
+          登录
         </van-button>
+      </div>
+
+      <RouterLink to="/m/register" class="secondary-entry">
+        没有账号？立即注册
       </RouterLink>
     </section>
   </main>
 </template>
 
 <style scoped>
-/* ========== Vant 主题变量覆盖 ========== */
-:root {
-  --van-primary-color: #1477ff;
-  --van-button-primary-background: #1477ff;
-  --van-button-primary-border-color: transparent;
-}
-
-/* ========== 页面容器 ========== */
 .mobile-login-shell {
   min-height: 100dvh;
-  box-sizing: border-box;
-  overflow: hidden;
-  background: #f5f7fa;
+  background: #f4f6f8;
   color: #151c28;
-  padding: 40px 24px;
 }
 
-.login-card {
+.page-header {
+  position: sticky;
+  top: 0;
+  z-index: 10;
   display: flex;
-  min-height: calc(100dvh - 80px);
-  flex-direction: column;
-  justify-content: center;
+  align-items: center;
+  height: 48px;
+  padding: 0 12px;
+  background: #fff;
+  border-bottom: 1px solid #eceff3;
 }
 
-/* ========== 品牌区域 ========== */
-.login-top {
+.page-header h1 {
+  flex: 1;
+  margin: 0;
+  font-size: 17px;
+  font-weight: 700;
+  text-align: center;
+}
+
+.back-btn {
+  display: grid;
+  width: 36px;
+  height: 36px;
+  place-items: center;
+  border: none;
+  background: none;
+  color: #25282d;
+}
+
+.header-spacer {
+  width: 36px;
+}
+
+.auth-body {
+  padding: 14px;
+}
+
+.brand-row {
   display: flex;
   align-items: center;
   gap: 12px;
-  margin-bottom: 14px;
+  padding: 8px 2px 14px;
 }
 
-.monster-logo {
+.brand-logo {
   display: grid;
-  width: 48px;
-  height: 48px;
-  flex: 0 0 auto;
+  width: 42px;
+  height: 42px;
   place-items: center;
-  border-radius: 16px;
+  border-radius: 12px;
   background: #1477ff;
   color: #ffffff;
-  font-size: 21px;
+  font-size: 18px;
   font-weight: 900;
-  box-shadow: 0 4px 12px rgba(20, 119, 255, 0.18);
 }
 
-.login-top p {
+.brand-row strong {
+  display: block;
   margin: 0 0 2px;
-  font-size: 20px;
+  color: #171a1f;
+  font-size: 18px;
   font-weight: 900;
 }
 
-.login-top small,
-.login-subtitle {
-  color: #667386;
+.brand-row p {
+  margin: 0;
+  color: #6b7280;
+  font-size: 12px;
 }
 
-/* ========== Tab 切换 ========== */
 .auth-switch {
   display: grid;
   grid-template-columns: repeat(2, 1fr);
-  gap: 8px;
-  margin-bottom: 16px;
-  border-radius: 15px;
-  background: #eef4fb;
-  padding: 5px;
+  gap: 6px;
+  margin-bottom: 12px;
+  padding: 4px;
+  border-radius: 8px;
+  background: #eaf0f8;
 }
 
 .auth-switch a {
-  border-radius: 11px;
-  color: #667386;
-  padding: 10px 0;
+  padding: 9px 0;
+  border-radius: 7px;
+  color: #5f6875;
   text-align: center;
-  font-size: 14px;
-  font-weight: 900;
+  font-size: 13px;
+  font-weight: 800;
   text-decoration: none;
 }
 
 .auth-switch a.active {
   background: #ffffff;
-  color: #111827;
-  box-shadow: 0 8px 18px rgba(23, 35, 61, 0.08);
+  color: #1477ff;
 }
 
-/* ========== 标题区 ========== */
-.login-eyebrow {
-  margin: 0 0 5px;
-  color: #02846e;
+.form-section {
+  padding: 14px;
+  background: #fff;
+  border: 1px solid #edf0f4;
+  border-radius: 8px;
+}
+
+.section-heading h2 {
+  margin: 0 0 4px;
+  color: #171a1f;
+  font-size: 18px;
+  font-weight: 800;
+}
+
+.section-heading p {
+  margin: 0 0 12px;
+  color: #858c96;
   font-size: 12px;
-  font-weight: 900;
-  letter-spacing: 0.04em;
+  line-height: 1.5;
 }
 
-.login-card h1 {
-  margin: 0;
-  font-size: 28px;
-  line-height: 1.15;
+.auth-input-row {
+  display: grid;
+  grid-template-columns: 58px 38px minmax(0, 1fr);
+  align-items: center;
+  min-height: 44px;
+  margin-bottom: 8px;
+  padding: 0 12px;
+  border-radius: 8px;
+  background: #f8fafc;
 }
 
-.login-subtitle {
-  margin: 7px 0 14px;
+.auth-input-row.code-row {
+  grid-template-columns: 58px minmax(0, 1fr) 92px;
+  gap: 8px;
+}
+
+.input-label {
+  color: #30343a;
   font-size: 13px;
-  line-height: 1.45;
-}
-
-/* ========== Vant Field 覆盖样式 ========== */
-.login-field {
-  margin-top: 12px;
-  border-radius: 12px;
-  background: rgba(255, 255, 255, 0.92);
-  box-shadow: inset 0 1px 3px rgba(23, 35, 61, 0.04);
-  overflow: hidden;
-}
-
-.login-field :deep(.van-field__control) {
-  font-size: 15px;
-  color: #151c28;
-}
-
-.login-field :deep(.van-field__label) {
-  width: auto;
-  margin-right: 8px;
-  color: #333b48;
   font-weight: 700;
-  font-size: 13px;
-}
-.login-field :deep(.van-field__left-icon) {
-  color: #1777ff;
-  margin-right: 0;
 }
 
-.login-field :deep(.van-field__right-icon) {
-  color: #999;
+.auth-input-row input {
+  width: 100%;
+  min-width: 0;
+  border: none;
+  background: transparent;
+  color: #20242a;
+  font-size: 14px;
+  outline: none;
+}
+
+.auth-input-row input::placeholder {
+  color: #c0c4cc;
 }
 
 .field-prefix {
-  color: #1777ff;
+  color: #1477ff;
   font-weight: 800;
-  font-size: 14px;
-  margin-right: 4px;
 }
 
-/* ========== 底部链接行 ========== */
-.login-links {
+.code-action {
   display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin: 10px 0 12px;
-  color: #566274;
-  font-size: 12px;
+  justify-content: flex-end;
+}
+
+.code-btn {
+  border-radius: 8px;
 }
 
-/* ========== 协议行 ========== */
 .agreement-row {
   display: flex;
   align-items: center;
-  margin-bottom: 16px;
+  margin: 10px 0 14px;
 }
 
 .agreement-row :deep(.van-checkbox__label) {
@@ -378,72 +382,26 @@ async function handleLogin() {
   font-weight: 600;
 }
 
-/* ========== 登录按钮 ========== */
-.login-button {
-  margin-top: 6px;
-  height: 46px;
-  font-size: 15px;
-  font-weight: 800;
-  background: #1477ff !important;
+.primary-button {
+  height: 42px;
   border: none !important;
-  box-shadow: 0 4px 12px rgba(20, 119, 255, 0.18);
+  border-radius: 8px !important;
+  background: #1477ff !important;
+  font-size: 15px;
+  font-weight: 700;
 }
 
-/* ========== 注册入口按钮 ========== */
-.register-button {
+.secondary-entry {
+  display: block;
   margin-top: 12px;
+  padding: 12px;
+  border: 1px solid #d7dce3;
+  border-radius: 8px;
+  background: #fff;
+  color: #1477ff;
   font-size: 13px;
   font-weight: 800;
-}
-
-.register-entry {
+  text-align: center;
   text-decoration: none;
 }
-
-/* ========== 响应式 ========== */
-@media (max-height: 620px) {
-  .mobile-login-shell {
-    padding-top: 10px;
-    padding-bottom: 10px;
-  }
-
-  .login-card {
-    min-height: calc(100dvh - 20px);
-  }
-
-  .login-top {
-    margin-bottom: 10px;
-  }
-
-  .monster-logo {
-    width: 42px;
-    height: 42px;
-    border-radius: 14px;
-  }
-
-  .auth-switch {
-    margin-bottom: 11px;
-  }
-
-  .login-card h1 {
-    font-size: 24px;
-  }
-
-  .login-field {
-    margin-top: 8px;
-  }
-
-  .login-button {
-    height: 42px;
-    margin-top: 10px;
-  }
-}
-
-@media (min-width: 520px) {
-  .mobile-login-shell {
-    max-width: 430px;
-    margin: 0 auto;
-    box-shadow: 0 0 0 1px rgba(23, 35, 61, 0.08);
-  }
-}
 </style>
diff --git a/frontend/src/views/mobile/MobileProfileView.vue b/frontend/src/views/mobile/MobileProfileView.vue
index dcbf877..12db717 100644
--- a/frontend/src/views/mobile/MobileProfileView.vue
+++ b/frontend/src/views/mobile/MobileProfileView.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, ref } from "vue";
+import { computed, onMounted, ref } from "vue";
 import { useRouter, useRoute } from "vue-router";
 import { useSessionStore } from "@/stores/session";
 import { showDialog, showToast } from "vant";
@@ -88,6 +88,13 @@ function isNavActive(path: string) {
 }
 
 const isLoggedIn = computed(() => Boolean(session.token));
+
+onMounted(() => {
+  if (!isLoggedIn.value) {
+    router.replace({ path: "/m/login", query: { redirect: route.fullPath } });
+  }
+});
+
 const displayName = computed(() =>
   session.phone
     ? `用户${session.phone.slice(-6)}`
@@ -99,39 +106,12 @@ const maskedPhone = computed(() =>
     ? `${session.phone.slice(0, 3)}****${session.phone.slice(-4)}`
     : "登录后查看手机号"
 );
-
-function goToLogin() {
-  router.push("/m/login");
-}
 </script>
 
 <template>
   <main class="mobile-profile-shell">
-    <!-- 未登录区 - 自定义卡片布局 -->
-    <template v-if="!isLoggedIn">
-      <section class="guest-card">
-        <div class="guest-logo">锤</div>
-        <h1>登录大锤商行</h1>
-        <p>登录后查看订单、管理发布、提现余额，并享受平台担保交易服务。</p>
-        <van-button
-          type="primary"
-          block
-          round
-          class="guest-login-btn"
-          @click="goToLogin"
-        >
-          立即登录
-        </van-button>
-        <div class="guest-benefits">
-          <van-tag type="primary" plain size="medium" round>担保交易</van-tag>
-          <van-tag type="primary" plain size="medium" round>订单留痕</van-tag>
-          <van-tag type="primary" plain size="medium" round>安全交接</van-tag>
-        </div>
-      </section>
-    </template>
-
     <!-- 已登录区 -->
-    <template v-else>
+    <template v-if="isLoggedIn">
       <!-- Hero 顶部蓝色横幅 -->
       <section class="profile-hero">
         <div class="hero-bg"></div>
@@ -267,64 +247,6 @@ function goToLogin() {
   padding: 0 0 60px;
 }
 
-/* ========== 未登录区 - 自定义卡片 ========== */
-.guest-card {
-  text-align: center;
-  padding: 34px 26px;
-  margin: 12px;
-  border-radius: 16px;
-  background: #fff;
-  box-shadow: 0 8px 26px rgba(24, 30, 45, 0.06);
-}
-
-.guest-card h1 {
-  margin: 18px 0 0;
-  font-size: 22px;
-  font-weight: 900;
-  color: #1a202c;
-}
-
-.guest-card p {
-  margin: 10px 0 0;
-  font-size: 14px;
-  color: #667386;
-  line-height: 1.7;
-}
-
-.guest-logo {
-  display: grid;
-  width: 74px;
-  height: 74px;
-  margin: 0 auto;
-  place-items: center;
-  border-radius: 22px;
-  background: #1477ff;
-  color: #fff;
-  font-size: 30px;
-  font-weight: 900;
-}
-
-.guest-login-btn {
-  margin-top: 20px;
-  border-radius: 13px;
-  background: #1477ff;
-  border-color: transparent;
-  font-size: 16px;
-  font-weight: 900;
-  height: 48px;
-}
-
-.guest-benefits {
-  display: flex;
-  justify-content: center;
-  gap: 8px;
-  margin-top: 16px;
-}
-
-.guest-benefits :deep(.van-tag) {
-  font-weight: 800;
-}
-
 /* ========== 已登录区 - Hero蓝色横幅 ========== */
 .profile-hero {
   position: relative;
diff --git a/frontend/src/views/mobile/MobileRegisterView.vue b/frontend/src/views/mobile/MobileRegisterView.vue
index 949491b..9807f6b 100644
--- a/frontend/src/views/mobile/MobileRegisterView.vue
+++ b/frontend/src/views/mobile/MobileRegisterView.vue
@@ -1,12 +1,13 @@
 <script setup lang="ts">
 import { onUnmounted, reactive, ref } from "vue";
-import { RouterLink, useRouter } from "vue-router";
+import { RouterLink, useRoute, useRouter } from "vue-router";
 import { showToast } from "vant";
 
 import { sendSmsCode } from "@/api/auth";
 import { useSessionStore } from "@/stores/session";
 
 const router = useRouter();
+const route = useRoute();
 const session = useSessionStore();
 const loading = ref(false);
 const sending = ref(false);
@@ -85,7 +86,8 @@ async function handleRegister() {
   loading.value = true;
   try {
     await session.login(form.phone, form.code);
-    await router.push("/m/profile");
+    const redirect = typeof route.query.redirect === "string" ? route.query.redirect : "/m/profile";
+    await router.replace(redirect);
   } catch {
     showToast({ message: "注册失败，请检查手机号和验证码", icon: "cross" });
   } finally {
@@ -96,275 +98,288 @@ async function handleRegister() {
 
 <template>
   <main class="mobile-register-shell">
-    <section class="register-card">
-      <!-- 品牌区域 -->
-      <div class="register-top">
-        <div class="monster-logo">锤</div>
+    <header class="page-header">
+      <button class="back-btn" type="button" @click="router.back()">
+        <van-icon name="arrow-left" :size="20" />
+      </button>
+      <h1>注册</h1>
+      <span class="header-spacer"></span>
+    </header>
+
+    <section class="auth-body">
+      <div class="brand-row">
+        <div class="brand-logo">锤</div>
         <div>
-          <p>加入大锤商行</p>
-          <small>注册后即可租号、下单、发布账号</small>
+          <strong>加入大锤商行</strong>
+          <p>注册后即可租号、下单、发布账号</p>
         </div>
       </div>
 
-      <!-- 登录/注册 Tab 切换 -->
       <div class="auth-switch" aria-label="登录注册切换">
         <RouterLink to="/m/login">登录</RouterLink>
         <RouterLink to="/m/register" class="active">注册</RouterLink>
       </div>
 
-      <p class="register-eyebrow">CREATE ACCOUNT</p>
-      <h1>手机号注册</h1>
-      <p class="register-subtitle">
-        先用短信验证码创建账号，后续再补充实名和收款信息。
-      </p>
+      <div class="form-section">
+        <div class="section-heading">
+          <h2>手机号注册</h2>
+          <p>先用短信验证码创建账号，后续再补充实名和收款信息。</p>
+        </div>
 
-      <!-- 手机号输入 -->
-      <van-field
-        v-model="form.phone"
-        type="tel"
-        maxlength="11"
-        inputmode="tel"
-        placeholder="请输入手机号"
-        clearable
-        class="register-field"
-      >
-        <template #left-icon>
+        <label class="auth-input-row">
+          <span class="input-label">手机号</span>
           <span class="field-prefix">+86</span>
-        </template>
-      </van-field>
+          <input
+            v-model="form.phone"
+            type="tel"
+            maxlength="11"
+            inputmode="tel"
+            placeholder="请输入手机号"
+          />
+        </label>
 
-      <!-- 验证码输入 -->
-      <van-field
-        v-model="form.code"
-        type="digit"
-        maxlength="6"
-        placeholder="6 位验证码"
-        class="register-field"
-        :left-icon="'shield-o'"
-      >
-        <template #button>
-          <van-button
-            size="small"
-            type="primary"
-            plain
-            round
-            :disabled="sending || countDown > 0"
-            :loading="sending"
-            @click="handleSendCode"
-          >
-            {{
-              countDown > 0
-                ? `${countDown}s`
-                : sending
-                ? "发送中"
-                : "发送验证码"
-            }}
-          </van-button>
-        </template>
-      </van-field>
+        <label class="auth-input-row code-row">
+          <span class="input-label">验证码</span>
+          <input
+            v-model="form.code"
+            type="text"
+            inputmode="numeric"
+            maxlength="6"
+            placeholder="6 位验证码"
+          />
+          <span class="code-action">
+            <van-button
+              size="small"
+              type="primary"
+              plain
+              :disabled="sending || countDown > 0"
+              :loading="sending"
+              class="code-btn"
+              @click="handleSendCode"
+            >
+              {{
+                countDown > 0
+                  ? `${countDown}s`
+                  : sending
+                  ? "发送中"
+                  : "发送验证码"
+              }}
+            </van-button>
+          </span>
+        </label>
 
-      <!-- 邀请码输入 -->
-      <van-field
-        v-model="form.inviteCode"
-        maxlength="16"
-        placeholder="选填，有邀请码填入"
-        clearable
-        class="register-field"
-        :left-icon="'friends-o'"
-      />
+        <label class="auth-input-row">
+          <span class="input-label">邀请码</span>
+          <input
+            v-model="form.inviteCode"
+            maxlength="16"
+            placeholder="选填，有邀请码填入"
+          />
+        </label>
 
-      <!-- 用户协议 -->
-      <div class="agreement-row">
-        <van-checkbox v-model="agreed" shape="square" icon-size="16px">
-          我已阅读并同意《<b>用户协议</b>》和《<b>隐私政策</b>》
-        </van-checkbox>
-      </div>
+        <div class="agreement-row">
+          <van-checkbox v-model="agreed" shape="square" icon-size="16px">
+            我已阅读并同意《<b>用户协议</b>》和《<b>隐私政策</b>》
+          </van-checkbox>
+        </div>
 
-      <!-- 注册按钮 -->
-      <van-button
-        type="primary"
-        block
-        round
-        class="register-button"
-        :loading="loading"
-        loading-text="注册中..."
-        @click="handleRegister"
-      >
-        注册并登录
-      </van-button>
-
-      <!-- 底部登录入口 -->
-      <RouterLink
-        to="/m/login"
-        class="login-entry"
-        custom
-        v-slot="{ navigate }"
-      >
         <van-button
-          plain
           type="primary"
           block
-          round
-          size="small"
-          class="login-link-button"
-          @click="navigate"
+          class="primary-button"
+          :loading="loading"
+          loading-text="注册中..."
+          @click="handleRegister"
         >
-          已有账号？去登录
+          注册并登录
         </van-button>
+      </div>
+
+      <RouterLink to="/m/login" class="secondary-entry">
+        已有账号？去登录
       </RouterLink>
     </section>
   </main>
 </template>
 
 <style scoped>
-/* ========== Vant 主题变量覆盖 ========== */
-:root {
-  --van-primary-color: #5b6ee1;
-  --van-button-primary-background: #5b6ee1;
-  --van-button-primary-border-color: transparent;
-}
-
-/* ========== 页面容器 ========== */
 .mobile-register-shell {
   min-height: 100dvh;
-  box-sizing: border-box;
-  overflow: hidden;
-  background: #f5f6f8;
+  background: #f4f6f8;
   color: #151c28;
-  padding: 40px 24px;
 }
 
-.register-card {
+.page-header {
+  position: sticky;
+  top: 0;
+  z-index: 10;
   display: flex;
-  min-height: calc(100dvh - 80px);
-  flex-direction: column;
-  justify-content: center;
+  align-items: center;
+  height: 48px;
+  padding: 0 12px;
+  background: #fff;
+  border-bottom: 1px solid #eceff3;
 }
 
-/* ========== 品牌区域 ========== */
-.register-top {
+.page-header h1 {
+  flex: 1;
+  margin: 0;
+  font-size: 17px;
+  font-weight: 700;
+  text-align: center;
+}
+
+.back-btn {
+  display: grid;
+  width: 36px;
+  height: 36px;
+  place-items: center;
+  border: none;
+  background: none;
+  color: #25282d;
+}
+
+.header-spacer {
+  width: 36px;
+}
+
+.auth-body {
+  padding: 14px;
+}
+
+.brand-row {
   display: flex;
   align-items: center;
   gap: 12px;
-  margin-bottom: 14px;
+  padding: 8px 2px 14px;
 }
 
-.monster-logo {
+.brand-logo {
   display: grid;
-  width: 48px;
-  height: 48px;
-  flex: 0 0 auto;
+  width: 42px;
+  height: 42px;
   place-items: center;
-  border-radius: 16px;
-  background: #5b6ee1;
+  border-radius: 12px;
+  background: #1477ff;
   color: #ffffff;
-  font-size: 21px;
+  font-size: 18px;
   font-weight: 900;
-  box-shadow: 0 4px 12px rgba(91, 110, 225, 0.18);
 }
 
-.register-top p {
+.brand-row strong {
+  display: block;
   margin: 0 0 2px;
-  font-size: 20px;
+  color: #171a1f;
+  font-size: 18px;
   font-weight: 900;
 }
 
-.register-top small,
-.register-subtitle {
-  color: #667386;
+.brand-row p {
+  margin: 0;
+  color: #6b7280;
+  font-size: 12px;
 }
 
-/* ========== Tab 切换 ========== */
 .auth-switch {
   display: grid;
   grid-template-columns: repeat(2, 1fr);
-  gap: 8px;
-  margin-bottom: 16px;
-  border-radius: 15px;
-  background: #eef4fb;
-  padding: 5px;
+  gap: 6px;
+  margin-bottom: 12px;
+  padding: 4px;
+  border-radius: 8px;
+  background: #eaf0f8;
 }
 
 .auth-switch a {
-  border-radius: 11px;
-  color: #667386;
-  padding: 10px 0;
+  padding: 9px 0;
+  border-radius: 7px;
+  color: #5f6875;
   text-align: center;
-  font-size: 14px;
-  font-weight: 900;
+  font-size: 13px;
+  font-weight: 800;
   text-decoration: none;
 }
 
 .auth-switch a.active {
   background: #ffffff;
-  color: #111827;
-  box-shadow: 0 8px 18px rgba(23, 35, 61, 0.08);
+  color: #1477ff;
 }
 
-/* ========== 标题区 ========== */
-.register-eyebrow {
-  margin: 0 0 5px;
-  color: #02846e;
+.form-section {
+  padding: 14px;
+  background: #fff;
+  border: 1px solid #edf0f4;
+  border-radius: 8px;
+}
+
+.section-heading h2 {
+  margin: 0 0 4px;
+  color: #171a1f;
+  font-size: 18px;
+  font-weight: 800;
+}
+
+.section-heading p {
+  margin: 0 0 12px;
+  color: #858c96;
   font-size: 12px;
-  font-weight: 900;
-  letter-spacing: 0.04em;
+  line-height: 1.5;
 }
 
-.register-card h1 {
-  margin: 0;
-  font-size: 28px;
-  line-height: 1.15;
+.auth-input-row {
+  display: grid;
+  grid-template-columns: 58px 38px minmax(0, 1fr);
+  align-items: center;
+  min-height: 44px;
+  margin-bottom: 8px;
+  padding: 0 12px;
+  border-radius: 8px;
+  background: #f8fafc;
 }
 
-.register-subtitle {
-  margin: 7px 0 14px;
+.auth-input-row.code-row {
+  grid-template-columns: 58px minmax(0, 1fr) 92px;
+  gap: 8px;
+}
+
+.input-label {
+  color: #30343a;
   font-size: 13px;
-  line-height: 1.45;
-}
-
-/* ========== Vant Field 覆盖样式 ========== */
-.register-field {
-  margin-top: 12px;
-  border-radius: 12px;
-  background: rgba(255, 255, 255, 0.92);
-  box-shadow: inset 0 1px 3px rgba(23, 35, 61, 0.04);
-  overflow: hidden;
-}
-
-.register-field :deep(.van-field__control) {
-  font-size: 15px;
-  color: #151c28;
-}
-
-.register-field :deep(.van-field__label) {
-  width: auto;
-  margin-right: 8px;
-  color: #333b48;
   font-weight: 700;
-  font-size: 13px;
-}
-.register-field :deep(.van-field__left-icon) {
-  color: #1777ff;
-  margin-right: 0;
 }
 
-.register-field :deep(.van-field__right-icon) {
-  color: #999;
+.auth-input-row input {
+  width: 100%;
+  min-width: 0;
+  border: none;
+  background: transparent;
+  color: #20242a;
+  font-size: 14px;
+  outline: none;
+}
+
+.auth-input-row input::placeholder {
+  color: #c0c4cc;
 }
 
 .field-prefix {
-  color: #1777ff;
+  color: #1477ff;
   font-weight: 800;
-  font-size: 14px;
-  margin-right: 4px;
 }
 
-/* ========== 协议行 ========== */
+.code-action {
+  display: flex;
+  justify-content: flex-end;
+}
+
+.code-btn {
+  border-radius: 8px;
+}
+
 .agreement-row {
   display: flex;
   align-items: center;
-  margin-top: 16px;
-  margin-bottom: 16px;
+  margin: 10px 0 14px;
 }
 
 .agreement-row :deep(.van-checkbox__label) {
@@ -379,72 +394,26 @@ async function handleRegister() {
   font-weight: 600;
 }
 
-/* ========== 注册按钮 ========== */
-.register-button {
-  margin-top: 6px;
-  height: 46px;
-  font-size: 15px;
-  font-weight: 800;
-  background: #5b6ee1 !important;
+.primary-button {
+  height: 42px;
   border: none !important;
-  box-shadow: 0 4px 12px rgba(91, 110, 225, 0.18);
+  border-radius: 8px !important;
+  background: #1477ff !important;
+  font-size: 15px;
+  font-weight: 700;
 }
 
-/* ========== 登录入口按钮 ========== */
-.login-link-button {
+.secondary-entry {
+  display: block;
   margin-top: 12px;
+  padding: 12px;
+  border: 1px solid #d7dce3;
+  border-radius: 8px;
+  background: #fff;
+  color: #1477ff;
   font-size: 13px;
   font-weight: 800;
-}
-
-.login-entry {
+  text-align: center;
   text-decoration: none;
 }
-
-/* ========== 响应式 ========== */
-@media (max-height: 620px) {
-  .mobile-register-shell {
-    padding-top: 10px;
-    padding-bottom: 10px;
-  }
-
-  .register-card {
-    min-height: calc(100dvh - 20px);
-  }
-
-  .register-top {
-    margin-bottom: 10px;
-  }
-
-  .monster-logo {
-    width: 42px;
-    height: 42px;
-    border-radius: 14px;
-  }
-
-  .auth-switch {
-    margin-bottom: 11px;
-  }
-
-  .register-card h1 {
-    font-size: 24px;
-  }
-
-  .register-field {
-    margin-top: 8px;
-  }
-
-  .register-button {
-    height: 42px;
-    margin-top: 10px;
-  }
-}
-
-@media (min-width: 520px) {
-  .mobile-register-shell {
-    max-width: 430px;
-    margin: 0 auto;
-    box-shadow: 0 0 0 1px rgba(23, 35, 61, 0.08);
-  }
-}
 </style>