diff --git a/src/components/admin/events/event-admin-form.container.tsx b/src/components/admin/events/event-admin-form.container.tsx
index 7b98933..94c586f 100644
--- a/src/components/admin/events/event-admin-form.container.tsx
+++ b/src/components/admin/events/event-admin-form.container.tsx
@@ -1,3 +1,127 @@
-export function EventAdminFormContainer(_props: { eventId?: string }) {
-  return <div>TODO: Event Admin Form</div>;
+import type { EventFormValues } from './event-admin-form.view';
+import { useNavigate } from '@tanstack/react-router';
+import { useEffect } from 'react';
+import { toast } from 'sonner';
+import { useAdminAgendaList } from '@/hooks/data/useAdminAgendaList';
+import { useAdminEventDetail } from '@/hooks/data/useAdminEventDetail';
+import { useCreateEvent, useCreateGuide, useUpdateEvent, useUpdateGuide } from '@/hooks/data/useAdminEventMutations';
+import { useUserInfo } from '@/hooks/data/useUserInfo';
+import { canManageEvents } from '@/lib/permissions';
+import { base64ToUtf8 } from '@/lib/utils';
+import { EventAdminFormSkeleton } from './event-admin-form.skeleton';
+import { EventAdminFormView } from './event-admin-form.view';
+
+interface EventAdminFormContainerProps {
+  eventId?: string;
+}
+
+export function EventAdminFormContainer({ eventId }: EventAdminFormContainerProps) {
+  const { data: userData } = useUserInfo();
+  const permissionLevel = userData.data?.permission_level ?? 0;
+  const navigate = useNavigate();
+
+  const mode = eventId !== undefined ? 'edit' : 'create';
+
+  // Fetch event detail (edit mode); placeholder returns undefined
+  const { data: eventData, isPending: isEventPending } = useAdminEventDetail(eventId ?? '');
+
+  // Fetch agenda list for pre-flight validation (edit mode)
+  const { data: agendaData } = useAdminAgendaList(eventId ?? '');
+
+  const { mutateAsync: createEvent } = useCreateEvent();
+  const { mutateAsync: updateEvent } = useUpdateEvent();
+  const { mutateAsync: createGuide } = useCreateGuide();
+  const { mutateAsync: updateGuide } = useUpdateGuide();
+
+  useEffect(() => {
+    if (!canManageEvents(permissionLevel)) {
+      void navigate({ to: '/' });
+    }
+  }, [permissionLevel, navigate]);
+
+  if (!canManageEvents(permissionLevel)) {
+    return null;
+  }
+
+  // In edit mode, wait for event data
+  if (mode === 'edit' && (isEventPending || eventData === undefined)) {
+    return <EventAdminFormSkeleton />;
+  }
+
+  // Derive pre-flight validation state from agenda data
+  const agendas = (agendaData as { agendas?: { status: string; start_time?: string; end_time?: string }[] } | undefined)?.agendas ?? [];
+  const pendingCount = agendas.filter(a => a.status === 'pending').length;
+  const unscheduledCount = agendas.filter(
+    a => a.status === 'approved' && (a.start_time === undefined || a.start_time === '' || a.end_time === undefined || a.end_time === ''),
+  ).length;
+  const isAgendaPublishBlocked = mode === 'edit'
+    ? { pendingCount, unscheduledCount }
+    : null;
+
+  // Map raw API data to form default values (decode base64 fields)
+  const rawEvent = eventData as {
+    name?: string;
+    subtitle?: string;
+    description?: string;
+    thumbnail?: string;
+    start_time?: string;
+    end_time?: string;
+    attendance_guide?: string;
+    type?: 'official' | 'party';
+    enable_kyc?: boolean;
+    is_agenda_published?: boolean;
+  } | undefined;
+
+  const defaultValues = rawEvent !== undefined
+    ? {
+        name: rawEvent.name ?? '',
+        subtitle: rawEvent.subtitle ?? '',
+        description: base64ToUtf8(rawEvent.description ?? ''),
+        thumbnail: rawEvent.thumbnail ?? '',
+        start_time: rawEvent.start_time !== undefined ? rawEvent.start_time.slice(0, 16) : '',
+        end_time: rawEvent.end_time !== undefined ? rawEvent.end_time.slice(0, 16) : '',
+        attendance_guide: base64ToUtf8(rawEvent.attendance_guide ?? ''),
+        type: rawEvent.type ?? 'party',
+        enable_kyc: rawEvent.enable_kyc ?? false,
+        is_agenda_published: rawEvent.is_agenda_published ?? false,
+      }
+    : undefined;
+
+  async function handleSubmit(values: EventFormValues) {
+    if (mode === 'create') {
+      const created = await createEvent({ body: values }) as { data?: { event_id?: string } };
+      const newEventId = created?.data?.event_id;
+      if (newEventId !== undefined) {
+        try {
+          await createGuide({ body: { event_id: newEventId, attendance_guide: values.attendance_guide } });
+        }
+        catch {
+          toast('参会指南保存失败，活动已创建', { description: '请在编辑页面重新保存参会指南' });
+        }
+        void navigate({ to: '/admin/events/$eventId', params: { eventId: newEventId } });
+      }
+    }
+    else {
+      // parallel update: event + guide
+      const results = await Promise.allSettled([
+        updateEvent({ body: { ...values, event_id: eventId } }),
+        updateGuide({ body: { event_id: eventId, attendance_guide: values.attendance_guide } }),
+      ]);
+      results.forEach((result) => {
+        if (result.status === 'rejected') {
+          toast.error('部分更新失败，请重试');
+        }
+      });
+    }
+  }
+
+  return (
+    <EventAdminFormView
+      mode={mode}
+      permissionLevel={permissionLevel}
+      defaultValues={defaultValues}
+      isAgendaPublishBlocked={isAgendaPublishBlocked}
+      onSubmit={handleSubmit}
+    />
+  );
 }
diff --git a/src/components/admin/events/event-admin-form.skeleton.tsx b/src/components/admin/events/event-admin-form.skeleton.tsx
index 855fdb7..1fe6242 100644
--- a/src/components/admin/events/event-admin-form.skeleton.tsx
+++ b/src/components/admin/events/event-admin-form.skeleton.tsx
@@ -1,5 +1,18 @@
 import { Skeleton } from '@/components/ui/skeleton';
 
 export function EventAdminFormSkeleton() {
-  return <Skeleton className="h-96 w-full" />;
+  return (
+    <div className="mx-auto flex w-full max-w-3xl flex-col gap-6 p-4 lg:p-6">
+      <Skeleton className="h-8 w-48" />
+      <div className="space-y-4">
+        {Array.from({ length: 6 }).map((_, i) => (
+          <div key={i} className="space-y-2">
+            <Skeleton className="h-4 w-24" />
+            <Skeleton className="h-10 w-full" />
+          </div>
+        ))}
+      </div>
+      <Skeleton className="h-10 w-32" />
+    </div>
+  );
 }
diff --git a/src/components/admin/events/event-admin-form.view.tsx b/src/components/admin/events/event-admin-form.view.tsx
new file mode 100644
index 0000000..830d9d7
--- /dev/null
+++ b/src/components/admin/events/event-admin-form.view.tsx
@@ -0,0 +1,314 @@
+import { useForm } from '@tanstack/react-form';
+import { toast } from 'sonner';
+import z from 'zod';
+import { Badge } from '@/components/ui/badge';
+import { Button } from '@/components/ui/button';
+import { Field, FieldError, FieldLabel } from '@/components/ui/field';
+import { Input } from '@/components/ui/input';
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
+import { Spinner } from '@/components/ui/spinner';
+import { Switch } from '@/components/ui/switch';
+import { Textarea } from '@/components/ui/textarea';
+import { isOfficialAdmin } from '@/lib/permissions';
+import { base64ToUtf8, utf8ToBase64 } from '@/lib/utils';
+
+const formSchema = z.object({
+  name: z.string().min(1, '名称不能为空'),
+  subtitle: z.string(),
+  description: z.string(),
+  thumbnail: z.string(),
+  start_time: z.string().min(1, '开始时间不能为空'),
+  end_time: z.string().min(1, '结束时间不能为空'),
+  attendance_guide: z.string(),
+  type: z.enum(['official', 'party']),
+  enable_kyc: z.boolean(),
+  is_agenda_published: z.boolean(),
+}).refine(data => !data.start_time || !data.end_time || data.start_time < data.end_time, {
+  message: '结束时间必须晚于开始时间',
+  path: ['end_time'],
+});
+
+export type EventFormValues = z.infer<typeof formSchema>;
+
+interface EventAdminFormViewProps {
+  mode: 'create' | 'edit';
+  permissionLevel: number;
+  defaultValues?: Partial<EventFormValues>;
+  isAgendaPublishBlocked?: { pendingCount: number; unscheduledCount: number } | null;
+  onSubmit: (values: EventFormValues) => Promise<void>;
+}
+
+export function EventAdminFormView({
+  mode,
+  permissionLevel,
+  defaultValues,
+  isAgendaPublishBlocked,
+  onSubmit,
+}: EventAdminFormViewProps) {
+  const form = useForm<EventFormValues>({
+    defaultValues: {
+      name: defaultValues?.name ?? '',
+      subtitle: defaultValues?.subtitle ?? '',
+      description: base64ToUtf8(defaultValues?.description ?? ''),
+      thumbnail: defaultValues?.thumbnail ?? '',
+      start_time: defaultValues?.start_time ?? '',
+      end_time: defaultValues?.end_time ?? '',
+      attendance_guide: base64ToUtf8(defaultValues?.attendance_guide ?? ''),
+      type: defaultValues?.type ?? 'party',
+      enable_kyc: defaultValues?.enable_kyc ?? false,
+      is_agenda_published: defaultValues?.is_agenda_published ?? false,
+    },
+    validators: {
+      onBlur: formSchema,
+    },
+    onSubmit: async ({ value }) => {
+      try {
+        await onSubmit({
+          ...value,
+          description: utf8ToBase64(value.description),
+          attendance_guide: utf8ToBase64(value.attendance_guide),
+        });
+        toast.success(mode === 'create' ? '活动创建成功' : '活动更新成功');
+      }
+      catch {
+        toast.error(mode === 'create' ? '创建失败，请重试' : '更新失败，请重试');
+      }
+    },
+  });
+
+  const title = mode === 'create' ? '创建活动' : '编辑活动';
+
+  return (
+    <div className="mx-auto flex w-full max-w-3xl flex-col gap-6 p-4 lg:p-6">
+      <h2 className="text-lg font-semibold">{title}</h2>
+      <form
+        onSubmit={(e) => {
+          e.preventDefault();
+          e.stopPropagation();
+          void form.handleSubmit();
+        }}
+        className="flex flex-col gap-4"
+      >
+        {/* Immutable badges in edit mode */}
+        {mode === 'edit' && defaultValues?.type !== undefined && (
+          <div className="flex gap-3">
+            <div className="flex flex-col gap-1">
+              <span className="text-sm font-medium">类型</span>
+              <Badge variant="outline">
+                {defaultValues.type === 'official' ? 'Official' : 'Party'}
+              </Badge>
+            </div>
+            <div className="flex flex-col gap-1">
+              <span className="text-sm font-medium">实名认证</span>
+              <Badge variant={defaultValues.enable_kyc ? 'default' : 'secondary'}>
+                {defaultValues.enable_kyc ? '启用' : '未启用'}
+              </Badge>
+            </div>
+          </div>
+        )}
+
+        {/* type selector — create mode only */}
+        {mode === 'create' && (
+          <form.Field name="type">
+            {field => (
+              <Field>
+                <FieldLabel htmlFor="type">活动类型</FieldLabel>
+                <Select
+                  value={field.state.value}
+                  onValueChange={val => field.handleChange(val as 'official' | 'party')}
+                  disabled={!isOfficialAdmin(permissionLevel)}
+                >
+                  <SelectTrigger id="type">
+                    <SelectValue />
+                  </SelectTrigger>
+                  <SelectContent>
+                    <SelectItem value="party">Party</SelectItem>
+                    <SelectItem value="official">Official</SelectItem>
+                  </SelectContent>
+                </Select>
+                <FieldError errors={field.state.meta.errors} />
+              </Field>
+            )}
+          </form.Field>
+        )}
+
+        {/* enable_kyc — create mode only */}
+        {mode === 'create' && (
+          <form.Field name="enable_kyc">
+            {field => (
+              <Field orientation="horizontal" className="my-2">
+                <FieldLabel htmlFor="enable_kyc">启用实名认证</FieldLabel>
+                <Switch
+                  id="enable_kyc"
+                  checked={field.state.value}
+                  onCheckedChange={val => field.handleChange(val)}
+                />
+              </Field>
+            )}
+          </form.Field>
+        )}
+
+        <form.Field name="name">
+          {field => (
+            <Field>
+              <FieldLabel htmlFor="name">名称 *</FieldLabel>
+              <Input
+                id="name"
+                value={field.state.value}
+                onBlur={field.handleBlur}
+                onChange={e => field.handleChange(e.target.value)}
+              />
+              <FieldError errors={field.state.meta.errors} />
+            </Field>
+          )}
+        </form.Field>
+
+        <form.Field name="subtitle">
+          {field => (
+            <Field>
+              <FieldLabel htmlFor="subtitle">副标题</FieldLabel>
+              <Input
+                id="subtitle"
+                value={field.state.value}
+                onBlur={field.handleBlur}
+                onChange={e => field.handleChange(e.target.value)}
+              />
+              <FieldError errors={field.state.meta.errors} />
+            </Field>
+          )}
+        </form.Field>
+
+        <form.Field name="thumbnail">
+          {field => (
+            <Field>
+              <FieldLabel htmlFor="thumbnail">封面图片链接</FieldLabel>
+              <Input
+                id="thumbnail"
+                value={field.state.value}
+                onBlur={field.handleBlur}
+                onChange={e => field.handleChange(e.target.value)}
+              />
+              <FieldError errors={field.state.meta.errors} />
+            </Field>
+          )}
+        </form.Field>
+
+        <form.Field name="start_time">
+          {field => (
+            <Field>
+              <FieldLabel htmlFor="start_time">开始时间 *</FieldLabel>
+              <Input
+                id="start_time"
+                type="datetime-local"
+                value={field.state.value}
+                onBlur={field.handleBlur}
+                onChange={e => field.handleChange(e.target.value)}
+              />
+              <FieldError errors={field.state.meta.errors} />
+            </Field>
+          )}
+        </form.Field>
+
+        <form.Field name="end_time">
+          {field => (
+            <Field>
+              <FieldLabel htmlFor="end_time">结束时间 *</FieldLabel>
+              <Input
+                id="end_time"
+                type="datetime-local"
+                value={field.state.value}
+                onBlur={field.handleBlur}
+                onChange={e => field.handleChange(e.target.value)}
+              />
+              <FieldError errors={field.state.meta.errors} />
+            </Field>
+          )}
+        </form.Field>
+
+        <form.Field name="description">
+          {field => (
+            <Field>
+              <FieldLabel htmlFor="description">活动介绍 (Markdown)</FieldLabel>
+              <Textarea
+                id="description"
+                rows={6}
+                value={field.state.value}
+                onBlur={field.handleBlur}
+                onChange={e => field.handleChange(e.target.value)}
+              />
+              <FieldError errors={field.state.meta.errors} />
+            </Field>
+          )}
+        </form.Field>
+
+        <form.Field name="attendance_guide">
+          {field => (
+            <Field>
+              <FieldLabel htmlFor="attendance_guide">参会指南 (Markdown)</FieldLabel>
+              <Textarea
+                id="attendance_guide"
+                rows={4}
+                value={field.state.value}
+                onBlur={field.handleBlur}
+                onChange={e => field.handleChange(e.target.value)}
+              />
+              <FieldError errors={field.state.meta.errors} />
+            </Field>
+          )}
+        </form.Field>
+
+        {/* is_agenda_published — edit mode only */}
+        {mode === 'edit' && (
+          <form.Field name="is_agenda_published">
+            {(field) => {
+              const isAlreadyPublished = field.state.value;
+              const blockError = !isAlreadyPublished && isAgendaPublishBlocked
+                ? isAgendaPublishBlocked.pendingCount > 0
+                  ? `还有 ${isAgendaPublishBlocked.pendingCount} 个议程待审核`
+                  : isAgendaPublishBlocked.unscheduledCount > 0
+                    ? `还有 ${isAgendaPublishBlocked.unscheduledCount} 个已通过议程未排期`
+                    : null
+                : null;
+
+              return (
+                <Field orientation="horizontal" className="my-2">
+                  <FieldLabel htmlFor="is_agenda_published">发布议程日程</FieldLabel>
+                  <div className="flex flex-col gap-1">
+                    <Switch
+                      id="is_agenda_published"
+                      checked={field.state.value}
+                      disabled={isAlreadyPublished}
+                      onCheckedChange={(val) => {
+                        if (val && isAgendaPublishBlocked && (isAgendaPublishBlocked.pendingCount > 0 || isAgendaPublishBlocked.unscheduledCount > 0)) {
+                          return;
+                        }
+                        field.handleChange(val);
+                      }}
+                    />
+                    {blockError !== null && (
+                      <span className="text-destructive text-sm">{blockError}</span>
+                    )}
+                    {isAlreadyPublished && (
+                      <span className="text-muted-foreground text-sm">已发布，不可撤销</span>
+                    )}
+                  </div>
+                </Field>
+              );
+            }}
+          </form.Field>
+        )}
+
+        <div className="flex gap-2">
+          <form.Subscribe
+            selector={state => [state.canSubmit, state.isSubmitting]}
+            children={([canSubmit, isSubmitting]) => (
+              <Button type="submit" disabled={!canSubmit}>
+                {isSubmitting ? <Spinner /> : (mode === 'create' ? '创建' : '保存')}
+              </Button>
+            )}
+          />
+        </div>
+      </form>
+    </div>
+  );
+}
diff --git a/src/stories/admin/events/event-admin-form.stories.tsx b/src/stories/admin/events/event-admin-form.stories.tsx
new file mode 100644
index 0000000..560c9bd
--- /dev/null
+++ b/src/stories/admin/events/event-admin-form.stories.tsx
@@ -0,0 +1,53 @@
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { EventAdminFormSkeleton } from '@/components/admin/events/event-admin-form.skeleton';
+import { EventAdminFormView } from '@/components/admin/events/event-admin-form.view';
+import { PERMISSION_LEVELS } from '@/lib/permissions';
+
+const meta = {
+  title: 'Admin/Events/EventAdminForm',
+  component: EventAdminFormView,
+} satisfies Meta<typeof EventAdminFormView>;
+
+export default meta;
+type Story = StoryObj<typeof meta>;
+
+export const CreateLv30: Story = {
+  args: {
+    mode: 'create',
+    permissionLevel: PERMISSION_LEVELS.PARTY_EVENT_HOLDER,
+    onSubmit: async () => {},
+  },
+};
+
+export const CreateLv40: Story = {
+  args: {
+    mode: 'create',
+    permissionLevel: PERMISSION_LEVELS.OFFICIAL_ADMIN,
+    onSubmit: async () => {},
+  },
+};
+
+export const Edit: Story = {
+  args: {
+    mode: 'edit',
+    permissionLevel: PERMISSION_LEVELS.OFFICIAL_ADMIN,
+    defaultValues: {
+      name: 'NixOS 2026 Annual Meetup',
+      subtitle: '全国最大的 NixOS 用户聚会',
+      description: '这是活动的详细介绍内容。',
+      thumbnail: '',
+      start_time: '2026-04-15T09:00',
+      end_time: '2026-04-15T18:00',
+      attendance_guide: '请携带身份证参加活动。',
+      type: 'official',
+      enable_kyc: true,
+      is_agenda_published: false,
+    },
+    isAgendaPublishBlocked: { pendingCount: 2, unscheduledCount: 1 },
+    onSubmit: async () => {},
+  },
+};
+
+export const Loading: Story = {
+  render: () => <EventAdminFormSkeleton />,
+};