diff --git a/src/views/manage/ManageLoginView.vue b/src/views/manage/ManageLoginView.vue
index 0674e95..fcba0db 100644
--- a/src/views/manage/ManageLoginView.vue
+++ b/src/views/manage/ManageLoginView.vue
@@ -1,68 +1,190 @@
 <script setup lang="ts">
-import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
+import { computed, onMounted, onUnmounted, ref } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import 'bootstrap/dist/css/bootstrap.min.css'
-import '../../styles/prototype-styles.css'
 import { adminLogin } from '../../api/admin/auth'
 import { getApiBase } from '../../config/api'
 import { useAdminAuthStore } from '../../stores/adminAuth'
 import {
   brandingFormFromApi,
   emptyBrandingForm,
+  hasVisibleText,
   type BrandingForm,
 } from '../../utils/competitionBranding'
-import { applyParticipantBodyTheme, clearParticipantBodyTheme } from '../../utils/participantTheme'
+import '../../styles/prototype-styles.css'
+import '../../styles/login-page-overrides.css'
 
 const route = useRoute()
 const router = useRouter()
 const adminAuth = useAdminAuthStore()
 
-const slug = computed(() => String(route.params.slug ?? '').trim())
 const username = ref('')
 const password = ref('')
+const usernameErr = ref(false)
+const passwordErr = ref(false)
 const submitting = ref(false)
-const errorMsg = ref('')
+const apiHint = ref('')
+const apiHintTone = ref<'neutral' | 'error' | 'success'>('neutral')
+
+const competitionSlug = computed(() => String(route.params.slug ?? '').trim())
+const competitionLoadError = ref('')
 const brand = ref<BrandingForm>(emptyBrandingForm())
 const competitionName = ref('')
 
-const headline = computed(() => {
+const apiHintClass = computed(() => {
+  if (apiHintTone.value === 'error') return 'login-page-wls__hint login-page-wls__hint--error'
+  if (apiHintTone.value === 'success') return 'login-page-wls__hint login-page-wls__hint--success'
+  return 'login-page-wls__hint'
+})
+
+function escapeHtml(s: string): string {
+  return s
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;')
+}
+
+const markLineInnerHtml = computed(() => {
+  const t = brand.value.login.markLine
+  return hasVisibleText(t) ? escapeHtml(t) : ''
+})
+
+const headlineInnerHtml = computed(() => {
+  const t = brand.value.login.headline
+  if (hasVisibleText(t)) return escapeHtml(t)
   const n = competitionName.value.trim()
-  return n ? `${n} · 管理登录` : '赛事管理登录'
+  return n ? escapeHtml(n) : ''
+})
+
+const sloganText = computed(() => {
+  if (competitionLoadError.value) return competitionLoadError.value
+  const s = brand.value.login.slogan
+  if (hasVisibleText(s)) return s
+  return ''
 })
 
-const slogan = computed(() => brand.value.login.slogan || '请使用后台管理员账号登录')
+const sloganIsWarning = computed(() => Boolean(competitionLoadError.value))
 
-async function loadCompetition() {
-  const s = slug.value
-  if (!s) return
+const cardTitleDisplay = computed(() => {
+  if (hasVisibleText(brand.value.login.cardWelcome)) {
+    return brand.value.login.cardWelcome.replace(/登陆/g, '登录')
+  }
+  return '欢迎登录'
+})
+
+const footerCopyrightText = computed(() =>
+  hasVisibleText(brand.value.login.footerCopyright) ? brand.value.login.footerCopyright : '',
+)
+
+const logoUrl = computed(() =>
+  hasVisibleText(brand.value.login.logoUrl) ? brand.value.login.logoUrl : '',
+)
+
+let bodyThemePrimaryBackup: string | null = null
+let faviconHrefBackup: string | null = null
+let loginHtmlClassApplied = false
+
+function setHint(message: string, tone: 'neutral' | 'error' | 'success' = 'neutral') {
+  apiHint.value = message
+  apiHintTone.value = tone
+}
+
+function clearHint() {
+  apiHint.value = ''
+  apiHintTone.value = 'neutral'
+}
+
+function normalizeTitle(s: string): string {
+  return s.replace(/[\u200B-\u200D\uFEFF]/gu, '').trim()
+}
+
+async function loadCompetitionBrand() {
+  competitionLoadError.value = ''
+  brand.value = emptyBrandingForm()
+  competitionName.value = ''
+  const slug = competitionSlug.value
+  const titleSnapshot = typeof document !== 'undefined' ? document.title : ''
+  if (!slug) {
+    competitionLoadError.value = '缺少赛事访问地址，请从正确入口进入'
+    return
+  }
   try {
-    const r = await fetch(`${getApiBase()}/api/v1/public/competitions/by-slug/${encodeURIComponent(s)}`, {
+    const r = await fetch(`${getApiBase()}/api/v1/public/competitions/by-slug/${encodeURIComponent(slug)}`, {
       headers: { Accept: 'application/json' },
     })
-    if (!r.ok) return
-    const raw = (await r.json()) as Record<string, unknown>
-    const data =
-      raw.data != null && typeof raw.data === 'object' && !Array.isArray(raw.data)
-        ? (raw.data as Record<string, unknown>)
+    if (!r.ok) {
+      competitionLoadError.value =
+        r.status === 404 ? '赛事不存在或未发布，请核对访问地址' : '无法加载赛事信息'
+      return
+    }
+    const raw = await r.json()
+    const payload =
+      raw != null && typeof raw === 'object' && 'data' in (raw as object)
+        ? (raw as { data?: unknown }).data
         : raw
-    competitionName.value = String(data.name ?? '')
-    brand.value = brandingFormFromApi(data.branding_json ?? null)
+    const d = payload as Record<string, unknown>
+
+    competitionName.value = String(d?.name ?? '')
+    brand.value = brandingFormFromApi(d?.branding_json ?? d?.branding ?? null)
+
+    const docTitle = brand.value.documentTitle
+    if (typeof document !== 'undefined') {
+      document.title = hasVisibleText(docTitle)
+        ? `${normalizeTitle(docTitle)} · 管理登录`
+        : titleSnapshot || '管理登录'
+    }
+
+    const theme = brand.value.login.themePrimary
+    if (hasVisibleText(theme) && typeof document !== 'undefined') {
+      if (bodyThemePrimaryBackup === null) {
+        bodyThemePrimaryBackup = document.body.style.getPropertyValue('--primary') || ''
+      }
+      document.body.style.setProperty('--primary', theme)
+      document.body.style.setProperty('--primary-soft', `${theme}14`)
+    }
+
+    const fav = brand.value.login.faviconUrl
+    if (hasVisibleText(fav) && typeof document !== 'undefined') {
+      let link = document.querySelector('link[rel~="icon"]') as HTMLLinkElement | null
+      if (!link) {
+        link = document.createElement('link')
+        link.rel = 'icon'
+        document.head.appendChild(link)
+      }
+      if (faviconHrefBackup === null) {
+        faviconHrefBackup = link.getAttribute('href') || ''
+      }
+      link.href = fav
+    }
   } catch {
-    brand.value = emptyBrandingForm()
+    competitionLoadError.value = '网络错误，无法校验赛事链接'
   }
 }
 
 async function onSubmit() {
-  errorMsg.value = ''
-  if (!username.value.trim() || !password.value.trim()) {
-    errorMsg.value = '请输入账号和密码'
+  const u = username.value.trim()
+  const p = password.value
+  usernameErr.value = !u
+  passwordErr.value = !p
+  if (!u) {
+    setHint('请填写账号', 'error')
+    return
+  }
+  if (!p) {
+    setHint('请填写密码', 'error')
+    return
+  }
+  if (!competitionSlug.value) {
+    setHint('缺少赛事访问地址', 'error')
     return
   }
+  clearHint()
   submitting.value = true
+  setHint('登录中…', 'neutral')
   try {
     const res = await adminLogin({
-      username: username.value.trim(),
-      password: password.value.trim(),
+      username: u,
+      password: p,
     })
     adminAuth.setSession(
       res.token,
@@ -70,70 +192,154 @@ async function onSubmit() {
         ? { id: res.user.id, username: res.user.username, name: res.user.name }
         : null,
     )
+    clearHint()
     const redirect = typeof route.query.redirect === 'string' ? route.query.redirect : ''
     if (redirect && redirect.includes('/manage') && !redirect.includes('/login')) {
       await router.replace(redirect)
     } else {
-      await router.replace({ name: 'manage-dashboard', params: { slug: slug.value } })
+      await router.replace({ name: 'manage-dashboard', params: { slug: competitionSlug.value } })
     }
   } catch (e) {
-    errorMsg.value = e instanceof Error ? e.message : '登录失败'
+    setHint(e instanceof Error ? e.message : '登录失败', 'error')
   } finally {
     submitting.value = false
   }
 }
 
 onMounted(() => {
-  document.body.classList.add('prototype-page', 'participant-portal-theme', 'admin-desktop-page')
-  void loadCompetition()
+  if (typeof document !== 'undefined') {
+    document.documentElement.classList.add('cxxfds-login-page')
+    loginHtmlClassApplied = true
+  }
+  document.body.classList.add('login-page-wls')
+  void loadCompetitionBrand()
 })
 
-watch(brand, () => applyParticipantBodyTheme(brand.value.login.themePrimary), { deep: true, immediate: true })
-
 onUnmounted(() => {
-  document.body.classList.remove('prototype-page', 'participant-portal-theme', 'admin-desktop-page')
-  clearParticipantBodyTheme()
+  if (typeof document !== 'undefined' && loginHtmlClassApplied) {
+    document.documentElement.classList.remove('cxxfds-login-page')
+    loginHtmlClassApplied = false
+  }
+  document.body.classList.remove('login-page-wls')
+  if (typeof document !== 'undefined') {
+    if (bodyThemePrimaryBackup !== null) {
+      if (bodyThemePrimaryBackup === '') {
+        document.body.style.removeProperty('--primary')
+        document.body.style.removeProperty('--primary-soft')
+      } else {
+        document.body.style.setProperty('--primary', bodyThemePrimaryBackup)
+      }
+      bodyThemePrimaryBackup = null
+    }
+    if (faviconHrefBackup !== null) {
+      const link = document.querySelector('link[rel~="icon"]') as HTMLLinkElement | null
+      if (link) {
+        if (faviconHrefBackup === '') link.removeAttribute('href')
+        else link.href = faviconHrefBackup
+      }
+      faviconHrefBackup = null
+    }
+  }
 })
 </script>
 
 <template>
-  <div class="container-fluid p-4 manage-login-wrap">
-    <div class="row justify-content-center">
-      <div class="col-12 col-md-6 col-lg-4">
-        <div class="card shadow-sm">
-          <div class="card-body p-4">
-            <h5 class="section-title mb-1">{{ headline }}</h5>
-            <p class="small text-secondary mb-4">{{ slogan }}</p>
-            <form @submit.prevent="onSubmit">
-              <div class="mb-3">
-                <label class="form-label">账号</label>
-                <input v-model.trim="username" class="form-control" autocomplete="username" />
-              </div>
-              <div class="mb-3">
-                <label class="form-label">密码</label>
-                <input
-                  v-model="password"
-                  type="password"
-                  class="form-control"
-                  autocomplete="current-password"
-                />
-              </div>
-              <p v-if="errorMsg" class="small text-danger mb-3">{{ errorMsg }}</p>
-              <button type="submit" class="btn btn-primary w-100" :disabled="submitting">
-                {{ submitting ? '登录中…' : '登录' }}
-              </button>
-            </form>
-          </div>
+  <div class="login-page-wls__wrap">
+    <div class="login-page-wls__inner">
+      <aside class="login-page-wls__brand" aria-label="赛事说明">
+        <div class="login-page-wls__logo" aria-hidden="true">
+          <img
+            v-if="logoUrl"
+            :src="logoUrl"
+            alt=""
+            class="login-page-wls__logo-img"
+            width="72"
+            height="72"
+          />
+          <svg
+            v-else
+            viewBox="0 0 100 100"
+            width="72"
+            height="72"
+            xmlns="http://www.w3.org/2000/svg"
+            aria-hidden="true"
+          >
+            <defs>
+              <linearGradient id="manageLoginPetalGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+                <stop offset="0%" stop-color="#dc4a54" />
+                <stop offset="45%" stop-color="#b40010" />
+                <stop offset="100%" stop-color="#7d070c" />
+              </linearGradient>
+              <path
+                id="manageLoginPetal"
+                d="M50 50
+                   C46.2 44.2 44.2 34.5 46.2 27.2
+                   C47.3 23.6 48.6 21.2 50 20.2
+                   C51.4 21.2 52.7 23.6 53.8 27.2
+                   C55.8 34.5 53.8 44.2 50 50Z"
+              />
+            </defs>
+            <g fill="url(#manageLoginPetalGrad)" stroke="#8f000c" stroke-width="0.35" stroke-linejoin="round">
+              <use href="#manageLoginPetal" />
+              <use href="#manageLoginPetal" transform="rotate(90 50 50)" />
+              <use href="#manageLoginPetal" transform="rotate(180 50 50)" />
+              <use href="#manageLoginPetal" transform="rotate(270 50 50)" />
+            </g>
+            <circle cx="50" cy="50" r="3.6" fill="#5c6068" stroke="#fdfcfc" stroke-width="0.65" />
+          </svg>
         </div>
-      </div>
+        <div v-if="hasVisibleText(brand.login.markLine)" class="login-page-wls__mark">
+          <div class="login-page-wls__mark-cn" v-html="markLineInnerHtml" />
+        </div>
+        <h1 v-if="headlineInnerHtml" class="login-page-wls__title">
+          <span class="login-page-wls__title-main" v-html="headlineInnerHtml" />
+        </h1>
+        <p
+          v-if="sloganText"
+          class="login-page-wls__slogan"
+          :class="{ 'login-page-wls__slogan--error': sloganIsWarning }"
+        >
+          {{ sloganText }}
+        </p>
+      </aside>
+
+      <section class="login-page-wls__panel">
+        <div class="login-page-wls__card">
+          <h2 class="login-page-wls__card-title">{{ cardTitleDisplay }}</h2>
+          <form class="login-page-wls__form" @submit.prevent="onSubmit" novalidate>
+            <input
+              v-model.trim="username"
+              type="text"
+              class="login-page-wls__input"
+              :class="{ 'login-page-wls__input--error': usernameErr }"
+              name="username"
+              autocomplete="username"
+              maxlength="64"
+              placeholder="账号"
+              @input="usernameErr = false"
+            />
+            <input
+              v-model="password"
+              type="password"
+              class="login-page-wls__input"
+              :class="{ 'login-page-wls__input--error': passwordErr }"
+              name="password"
+              autocomplete="current-password"
+              placeholder="密码"
+              maxlength="255"
+              @input="passwordErr = false"
+            />
+            <button type="submit" class="login-page-wls__submit" :disabled="submitting">
+              {{ submitting ? '登录中…' : '登录' }}
+            </button>
+            <p v-if="apiHint" :class="apiHintClass" style="margin-top: 0.75rem">{{ apiHint }}</p>
+          </form>
+        </div>
+      </section>
     </div>
+
+    <footer v-if="footerCopyrightText" class="login-page-wls__footer">
+      <p class="login-page-wls__copyright">{{ footerCopyrightText }}</p>
+    </footer>
   </div>
 </template>
-
-<style scoped>
-.manage-login-wrap {
-  min-height: 70vh;
-  display: flex;
-  align-items: center;
-}
-</style>