diff --git a/src/components/profile/ContributionHeatmap.vue b/src/components/profile/ContributionHeatmap.vue
new file mode 100644
index 0000000..9a37f93
--- /dev/null
+++ b/src/components/profile/ContributionHeatmap.vue
@@ -0,0 +1,395 @@
+<script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import { NButton, NButtonGroup, NSelect } from 'naive-ui'
+
+export interface ContributionHeatmapCell {
+  date: string
+  count: number
+}
+
+interface MonthStat {
+  key: string
+  label: string
+  totalCount: number
+  activeDays: number
+}
+
+const today = new Date()
+const currentYear = today.getFullYear()
+const currentMonth = today.getMonth() + 1
+
+const props = withDefaults(defineProps<{
+  cells: ContributionHeatmapCell[]
+  totalCount: number
+  activeDays: number
+  currentStreak: number
+  bestStreak: number
+  activeDate?: string | null
+  title?: string
+  subtitle?: string
+}>(), {
+  activeDate: null,
+  title: '上传活跃度',
+  subtitle: '按上传日期统计',
+})
+
+const emit = defineEmits<{
+  selectDate: [date: string]
+}>()
+
+const viewMode = ref<'year' | 'month'>('year')
+const selectedYear = ref(currentYear)
+const selectedMonth = ref(currentMonth)
+const hoveredMonthKey = ref<string | null>(null)
+
+function parseLocalDate(dateString: string) {
+  const [year, month, day] = dateString.split('-').map(Number)
+  return new Date(year, (month || 1) - 1, day || 1)
+}
+
+function formatDayKey(date: Date) {
+  const month = `${date.getMonth() + 1}`.padStart(2, '0')
+  const day = `${date.getDate()}`.padStart(2, '0')
+  return `${date.getFullYear()}-${month}-${day}`
+}
+
+function toMonthKey(dateString: string) {
+  const date = parseLocalDate(dateString)
+  return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}`
+}
+
+function startOfDay(date: Date) {
+  return new Date(date.getFullYear(), date.getMonth(), date.getDate())
+}
+
+function startOfWeek(date: Date) {
+  const result = startOfDay(date)
+  const weekday = result.getDay()
+  const offset = weekday === 0 ? 6 : weekday - 1
+  result.setDate(result.getDate() - offset)
+  return result
+}
+
+const dailyCounts = computed(() => {
+  const counts = new Map<string, number>()
+  for (const cell of props.cells) {
+    counts.set(cell.date, cell.count)
+  }
+  return counts
+})
+
+const availableYears = computed(() => {
+  const years = new Set<number>([currentYear])
+  for (const cell of props.cells) {
+    years.add(parseLocalDate(cell.date).getFullYear())
+  }
+  return Array.from(years).sort((a, b) => b - a)
+})
+
+const yearOptions = computed(() => {
+  return availableYears.value.map(year => ({
+    label: `${year}年`,
+    value: year,
+  }))
+})
+
+const monthOptions = Array.from({ length: 12 }, (_, index) => ({
+  label: `${index + 1}月`,
+  value: index + 1,
+}))
+
+watch(availableYears, years => {
+  if (!years.includes(selectedYear.value)) {
+    selectedYear.value = years[0] || currentYear
+  }
+}, { immediate: true })
+
+const visibleCells = computed(() => {
+  if (viewMode.value === 'year') {
+    const start = new Date(selectedYear.value, 0, 1)
+    const end = new Date(selectedYear.value, 11, 31)
+    const alignedStart = startOfWeek(start)
+    const alignedEnd = startOfWeek(end)
+    alignedEnd.setDate(alignedEnd.getDate() + 6)
+
+    const cells: Array<ContributionHeatmapCell & { inRange: boolean; isToday: boolean }> = []
+    const cursor = new Date(alignedStart)
+
+    while (cursor <= alignedEnd) {
+      const key = formatDayKey(cursor)
+      const inRange = cursor >= start && cursor <= end
+      cells.push({
+        date: key,
+        count: dailyCounts.value.get(key) || 0,
+        inRange,
+        isToday: key === formatDayKey(today),
+      })
+      cursor.setDate(cursor.getDate() + 1)
+    }
+
+    return cells
+  }
+
+  const start = new Date(selectedYear.value, selectedMonth.value - 1, 1)
+  const end = new Date(selectedYear.value, selectedMonth.value, 0)
+  const alignedStart = startOfWeek(start)
+  const alignedEnd = startOfWeek(end)
+  alignedEnd.setDate(alignedEnd.getDate() + 6)
+
+  const cells: Array<ContributionHeatmapCell & { inRange: boolean; isToday: boolean }> = []
+  const cursor = new Date(alignedStart)
+
+  while (cursor <= alignedEnd) {
+    const key = formatDayKey(cursor)
+    const inRange = cursor >= start && cursor <= end
+    cells.push({
+      date: key,
+      count: dailyCounts.value.get(key) || 0,
+      inRange,
+      isToday: key === formatDayKey(today),
+    })
+    cursor.setDate(cursor.getDate() + 1)
+  }
+
+  return cells
+})
+
+const maxCount = computed(() => {
+  return visibleCells.value.reduce((max, cell) => Math.max(max, cell.count), 0)
+})
+
+function getLevel(count: number) {
+  if (count <= 0) return 0
+
+  const max = Math.max(maxCount.value, 1)
+  const ratio = count / max
+
+  if (ratio >= 0.75 || count >= 8) return 4
+  if (ratio >= 0.5 || count >= 5) return 3
+  if (ratio >= 0.25 || count >= 3) return 2
+  return 1
+}
+
+function getCellClass(cell: { count: number; inRange: boolean }) {
+  if (!cell.inRange) return 'bg-transparent border-transparent'
+
+  const level = getLevel(cell.count)
+  if (level === 0) return 'bg-zinc-100 border-zinc-200'
+  if (level === 1) return 'bg-[#e0f2fe] border-[#bae6fd]'
+  if (level === 2) return 'bg-[#7dd3fc] border-[#38bdf8]'
+  if (level === 3) return 'bg-[#0ea5e9] border-[#0284c7]'
+  return 'bg-[#0f3d63] border-[#0b2f4d]'
+}
+
+const weeks = computed(() => {
+  const buckets: Array<typeof visibleCells.value> = []
+  for (let index = 0; index < visibleCells.value.length; index += 7) {
+    buckets.push(visibleCells.value.slice(index, index + 7))
+  }
+  return buckets
+})
+
+const monthStats = computed(() => {
+  const stats = new Map<string, MonthStat>()
+
+  for (const cell of visibleCells.value) {
+    if (!cell.inRange) continue
+    const monthKey = toMonthKey(cell.date)
+    const date = parseLocalDate(cell.date)
+    const label = `${date.getMonth() + 1}月`
+    const existing = stats.get(monthKey)
+
+    if (existing) {
+      existing.totalCount += cell.count
+      if (cell.count > 0) existing.activeDays += 1
+      continue
+    }
+
+    stats.set(monthKey, {
+      key: monthKey,
+      label,
+      totalCount: cell.count,
+      activeDays: cell.count > 0 ? 1 : 0,
+    })
+  }
+
+  return stats
+})
+
+const monthLabels = computed(() => {
+  if (viewMode.value !== 'year') return []
+
+  let lastMonth = -1
+  return weeks.value.map(week => {
+    const firstInRange = week.find(cell => cell.inRange)
+    if (!firstInRange) return null
+
+    const date = parseLocalDate(firstInRange.date)
+    const month = date.getMonth()
+    const labelMonth = month + 1
+    const monthKey = toMonthKey(firstInRange.date)
+
+    if (month === lastMonth) return null
+
+    lastMonth = month
+    return {
+      key: monthKey,
+      label: labelMonth === 1 ? `${selectedYear.value}/1月` : `${labelMonth}月`,
+    }
+  })
+})
+
+const monthPreview = computed(() => {
+  if (!hoveredMonthKey.value) return null
+  return monthStats.value.get(hoveredMonthKey.value) || null
+})
+
+const panelSummary = computed(() => {
+  if (viewMode.value === 'year') {
+    return `${selectedYear.value} 年完整视图，包含尚未来到的日期。`
+  }
+
+  return `${selectedYear.value} 年 ${selectedMonth.value} 月完整视图。`
+})
+
+function formatTooltip(cell: ContributionHeatmapCell & { inRange: boolean; isToday: boolean }) {
+  const date = parseLocalDate(cell.date)
+  const label = date.toLocaleDateString('zh-CN', {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+  })
+
+  if (!cell.inRange) {
+    return `${label}：不在当前视图范围内`
+  }
+
+  if (cell.count === 0) {
+    return `${label}${cell.isToday ? '（今天）' : ''}：当天没有上传`
+  }
+
+  return `${label}${cell.isToday ? '（今天）' : ''}：上传 ${cell.count} 张`
+}
+
+function handleCellClick(cell: ContributionHeatmapCell & { inRange: boolean }) {
+  if (!cell.inRange) return
+  emit('selectDate', cell.date)
+}
+
+function formatMonthTooltip(monthKey: string) {
+  const stats = monthStats.value.get(monthKey)
+  if (!stats) return ''
+  return `${stats.label}：共上传 ${stats.totalCount} 张，活跃于 ${stats.activeDays} 天`
+}
+</script>
+
+<template>
+  <div class="border border-slate-200 bg-white p-6 shadow-sm">
+    <div class="flex flex-wrap items-start justify-between gap-6">
+      <div class="min-w-0 flex-1">
+        <h3 class="text-2xl font-bold text-slate-900">{{ title }}</h3>
+        <p class="mt-3 text-sm leading-7 text-slate-500">
+          共上传 {{ totalCount }} 张，活跃于 {{ activeDays }} 天。颜色越深，代表当天上传的照片越多。
+        </p>
+        <p class="mt-2 text-sm text-slate-500">{{ panelSummary }}</p>
+      </div>
+
+      <div class="flex flex-wrap items-center justify-end gap-3">
+        <NButtonGroup>
+          <NButton :type="viewMode === 'year' ? 'primary' : 'default'" secondary strong @click="viewMode = 'year'">
+            年度视图
+          </NButton>
+          <NButton :type="viewMode === 'month' ? 'primary' : 'default'" secondary strong @click="viewMode = 'month'">
+            月度视图
+          </NButton>
+        </NButtonGroup>
+        <NSelect
+          v-model:value="selectedYear"
+          :options="yearOptions"
+          class="w-28"
+        />
+        <NSelect
+          v-if="viewMode === 'month'"
+          v-model:value="selectedMonth"
+          :options="monthOptions"
+          class="w-24"
+        />
+      </div>
+    </div>
+
+    <div class="mt-4 flex min-h-6 items-center justify-between gap-4 text-xs text-slate-500">
+      <span>点击某一天可筛选当天上传记录。</span>
+      <span v-if="monthPreview" class="text-right">
+        {{ monthPreview.label }}：{{ monthPreview.totalCount }} 张 / {{ monthPreview.activeDays }} 天
+      </span>
+      <span v-else class="text-right">
+        <template v-if="viewMode === 'year'">悬停月份标签可预览当月上传摘要。</template>
+        <template v-else>当前显示整个月的上传情况。</template>
+      </span>
+    </div>
+
+    <div class="mt-8 overflow-x-auto">
+      <div :class="viewMode === 'year' ? 'min-w-[980px]' : 'min-w-[360px]'">
+        <div
+          v-if="viewMode === 'year'"
+          class="mb-2 grid grid-flow-col auto-cols-[14px] gap-1 pl-8 text-[11px] text-slate-400"
+        >
+          <div
+            v-for="(month, index) in monthLabels"
+            :key="`${month?.key || 'empty'}-${index}`"
+            class="w-[14px] whitespace-nowrap"
+            :title="month ? formatMonthTooltip(month.key) : ''"
+            @mouseenter="hoveredMonthKey = month?.key || null"
+            @mouseleave="hoveredMonthKey = null"
+          >
+            {{ month?.label || '' }}
+          </div>
+        </div>
+
+        <div class="flex gap-3">
+          <div class="grid grid-rows-7 gap-1 pt-[2px] text-[11px] text-slate-400">
+            <span>一</span>
+            <span></span>
+            <span>三</span>
+            <span></span>
+            <span>五</span>
+            <span></span>
+            <span>日</span>
+          </div>
+
+          <div class="grid grid-flow-col auto-cols-[14px] gap-1">
+            <div
+              v-for="(week, weekIndex) in weeks"
+              :key="weekIndex"
+              class="grid grid-rows-7 gap-1"
+            >
+              <button
+                v-for="cell in week"
+                :key="cell.date"
+                type="button"
+                class="relative h-3.5 w-3.5 border transition-transform hover:scale-125"
+                :class="[
+                  getCellClass(cell),
+                  props.activeDate === cell.date ? 'ring-2 ring-slate-900 ring-offset-1' : '',
+                  cell.isToday && cell.inRange ? 'outline outline-1 outline-slate-900 outline-offset-1' : '',
+                ]"
+                :title="formatTooltip(cell)"
+                @click="handleCellClick(cell)"
+              ></button>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <div class="mt-5 flex items-center justify-end gap-2 text-xs text-slate-500">
+      <span>少</span>
+      <span class="h-3 w-3 border border-slate-200 bg-slate-100"></span>
+      <span class="h-3 w-3 border border-sky-200 bg-sky-100"></span>
+      <span class="h-3 w-3 border border-sky-400 bg-sky-300"></span>
+      <span class="h-3 w-3 border border-teal-600 bg-teal-500"></span>
+      <span class="h-3 w-3 border border-slate-900 bg-slate-900"></span>
+      <span>多</span>
+    </div>
+  </div>
+</template>
diff --git a/src/stores/profile.ts b/src/stores/profile.ts
new file mode 100644
index 0000000..1f81883
--- /dev/null
+++ b/src/stores/profile.ts
@@ -0,0 +1,122 @@
+import { ref } from 'vue'
+import { defineStore } from 'pinia'
+import { supabase } from '@/lib/supabase'
+import type { CloudType, Profile } from '@/types/database'
+
+export interface ProfileCloudItem {
+  id: string
+  image_url: string
+  thumbnail_url: string | null
+  location_name: string | null
+  description: string | null
+  captured_at: string | null
+  created_at: string
+  status: 'pending' | 'approved' | 'rejected'
+  is_hidden: boolean
+  cloudTypeName: string
+  cloudTypeRarity: CloudType['rarity']
+}
+
+function toProfileCloud(row: Record<string, unknown>) {
+  const cloudTypes = Array.isArray(row.cloud_types) ? row.cloud_types : row.cloud_types ? [row.cloud_types] : []
+  const cloudType = cloudTypes[0] as Record<string, unknown> | undefined
+
+  return {
+    id: row.id as string,
+    image_url: row.image_url as string,
+    thumbnail_url: (row.thumbnail_url as string | null) ?? null,
+    location_name: (row.location_name as string | null) ?? null,
+    description: (row.description as string | null) ?? null,
+    captured_at: (row.captured_at as string | null) ?? null,
+    created_at: row.created_at as string,
+    status: row.status as ProfileCloudItem['status'],
+    is_hidden: (row.is_hidden as boolean) ?? false,
+    cloudTypeName: (cloudType?.name as string) || (row.custom_cloud_type as string) || '未知',
+    cloudTypeRarity: (cloudType?.rarity as CloudType['rarity']) || 'common',
+  } satisfies ProfileCloudItem
+}
+
+export const useProfileStore = defineStore('profile-page', () => {
+  const profilesById = ref<Record<string, Profile>>({})
+  const cloudsByKey = ref<Record<string, ProfileCloudItem[]>>({})
+  const loadingKeys = ref<Record<string, boolean>>({})
+  const errorByKey = ref<Record<string, string>>({})
+
+  const makeKey = (userId: string, isOwnProfile: boolean) => `${userId}:${isOwnProfile ? 'own' : 'public'}`
+
+  function getProfile(userId: string | null) {
+    if (!userId) return null
+    return profilesById.value[userId] ?? null
+  }
+
+  function getClouds(userId: string | null, isOwnProfile: boolean) {
+    if (!userId) return []
+    return cloudsByKey.value[makeKey(userId, isOwnProfile)] ?? []
+  }
+
+  function getError(userId: string | null, isOwnProfile: boolean) {
+    if (!userId) return ''
+    return errorByKey.value[makeKey(userId, isOwnProfile)] ?? ''
+  }
+
+  function isLoaded(userId: string | null, isOwnProfile: boolean) {
+    if (!userId) return false
+    return makeKey(userId, isOwnProfile) in cloudsByKey.value
+  }
+
+  async function fetchProfilePage(userId: string, isOwnProfile: boolean, force = false) {
+    const key = makeKey(userId, isOwnProfile)
+    if (!force && key in cloudsByKey.value && profilesById.value[userId]) return
+
+    loadingKeys.value[key] = true
+    errorByKey.value[key] = ''
+
+    try {
+      const { data: profile, error: profileError } = await supabase
+        .from('profiles')
+        .select('*')
+        .eq('id', userId)
+        .single()
+
+      if (profileError) throw profileError
+      profilesById.value[userId] = profile as Profile
+
+      let cloudsQuery = supabase
+        .from('clouds')
+        .select('id,image_url,thumbnail_url,location_name,description,captured_at,created_at,status,is_hidden,custom_cloud_type,cloud_types(name,rarity)')
+        .eq('user_id', userId)
+        .order('captured_at', { ascending: false, nullsFirst: false })
+        .order('created_at', { ascending: false })
+
+      if (!isOwnProfile) {
+        cloudsQuery = cloudsQuery
+          .eq('status', 'approved')
+          .eq('is_hidden', false)
+      }
+
+      const { data: cloudRows, error: cloudsError } = await cloudsQuery
+      if (cloudsError) throw cloudsError
+
+      cloudsByKey.value[key] = ((cloudRows || []) as Array<Record<string, unknown>>).map(toProfileCloud)
+    } catch (error) {
+      errorByKey.value[key] = error instanceof Error ? error.message : '个人主页加载失败'
+      cloudsByKey.value[key] = []
+    } finally {
+      loadingKeys.value[key] = false
+    }
+  }
+
+  function isLoading(userId: string | null, isOwnProfile: boolean) {
+    if (!userId) return false
+    return !!loadingKeys.value[makeKey(userId, isOwnProfile)]
+  }
+
+  return {
+    getProfile,
+    getClouds,
+    getError,
+    isLoaded,
+    isLoading,
+    fetchProfilePage,
+  }
+})
diff --git a/src/views/profile/ProfileView.vue b/src/views/profile/ProfileView.vue
index 9e7ed3f..ca82491 100644
--- a/src/views/profile/ProfileView.vue
+++ b/src/views/profile/ProfileView.vue
@@ -1,9 +1,595 @@
 <script setup lang="ts">
+import { computed, nextTick, ref, watch } from 'vue'
+import { RouterLink, useRoute } from 'vue-router'
+import { NAlert, NButton, NCard, NEmpty, NProgress, NSkeleton, NTag } from 'naive-ui'
+import ImageDetailModal from '@/components/cloud/ImageDetailModal.vue'
+import ContributionHeatmap from '@/components/profile/ContributionHeatmap.vue'
+import { useAuthStore } from '@/stores/auth'
+import { useEncyclopediaStore } from '@/stores/encyclopedia'
+import { useProfileStore, type ProfileCloudItem } from '@/stores/profile'
+import type { CloudType, Profile } from '@/types/database'
+
+interface TimelineGroup {
+  key: string
+  label: string
+  items: ProfileCloudItem[]
+}
+
+const route = useRoute()
+const authStore = useAuthStore()
+const encyclopediaStore = useEncyclopediaStore()
+const profileStore = useProfileStore()
+
+const selectedCloud = ref<ProfileCloudItem | null>(null)
+const selectedUploadDate = ref<string | null>(null)
+const timelineSectionRef = ref<HTMLElement | null>(null)
+
+const rarityMeta = {
+  common: { label: '常见', chip: 'bg-sky-100 text-sky-700 border-sky-200' },
+  uncommon: { label: '少见', chip: 'bg-amber-100 text-amber-700 border-amber-200' },
+  rare: { label: '罕见', chip: 'bg-rose-100 text-rose-700 border-rose-200' },
+} satisfies Record<CloudType['rarity'], { label: string; chip: string }>
+
+const statusMeta = {
+  approved: { label: '已通过', chip: 'bg-emerald-100 text-emerald-700 border-emerald-200' },
+  pending: { label: '待审核', chip: 'bg-amber-100 text-amber-700 border-amber-200' },
+  rejected: { label: '未通过', chip: 'bg-rose-100 text-rose-700 border-rose-200' },
+} satisfies Record<ProfileCloudItem['status'], { label: string; chip: string }>
+
+const viewedUserId = computed(() => {
+  const routeUserId = typeof route.params.id === 'string' ? route.params.id : null
+  return routeUserId || authStore.user?.id || null
+})
+
+const isOwnProfile = computed(() => {
+  return !!viewedUserId.value && viewedUserId.value === authStore.user?.id
+})
+
+const loading = computed(() => profileStore.isLoading(viewedUserId.value, isOwnProfile.value))
+const errorMsg = computed(() => {
+  if (!viewedUserId.value) return '未找到要查看的用户。'
+  return profileStore.getError(viewedUserId.value, isOwnProfile.value)
+})
+const profileData = computed<Profile | null>(() => profileStore.getProfile(viewedUserId.value))
+const clouds = computed<ProfileCloudItem[]>(() => profileStore.getClouds(viewedUserId.value, isOwnProfile.value))
+
+const pageTitle = computed(() => {
+  return isOwnProfile.value ? '我的天空日志' : `${profileData.value?.username || '这位用户'}的天空日志`
+})
+
+const profileSubtitle = computed(() => {
+  if (isOwnProfile.value) {
+    return '回看你的云图记录、收集进度和拍摄节奏。'
+  }
+  return '公开展示的云图记录会按时间顺序陈列在这里。'
+})
+
+const totalShots = computed(() => clouds.value.length)
+
+const approvedShots = computed(() => {
+  return clouds.value.filter(item => item.status === 'approved').length
+})
+
+const pendingShots = computed(() => {
+  return clouds.value.filter(item => item.status === 'pending').length
+})
+
+const shootingDays = computed(() => {
+  return new Set(
+    clouds.value.map(item => toDayKey(item.captured_at || item.created_at)),
+  ).size
+})
+
+const uploadDayCounts = computed(() => {
+  const counts = new Map<string, number>()
+
+  for (const item of clouds.value) {
+    const key = toDayKey(item.created_at)
+    counts.set(key, (counts.get(key) || 0) + 1)
+  }
+
+  return counts
+})
+
+const mostCommonCloudType = computed(() => {
+  const counts = new Map<string, number>()
+  for (const item of clouds.value) {
+    counts.set(item.cloudTypeName, (counts.get(item.cloudTypeName) || 0) + 1)
+  }
+
+  let winner = '还没有记录'
+  let maxCount = 0
+  for (const [name, count] of counts.entries()) {
+    if (count > maxCount) {
+      winner = name
+      maxCount = count
+    }
+  }
+
+  return {
+    name: winner,
+    count: maxCount,
+  }
+})
+
+const filteredClouds = computed(() => {
+  if (!selectedUploadDate.value) return clouds.value
+
+  return clouds.value.filter(item => toDayKey(item.created_at) === selectedUploadDate.value)
+})
+
+const timelineGroups = computed<TimelineGroup[]>(() => {
+  const groups = new Map<string, TimelineGroup>()
+
+  for (const item of filteredClouds.value) {
+    const date = new Date(item.captured_at || item.created_at)
+    const key = `${date.getFullYear()}-${date.getMonth() + 1}`
+    const existing = groups.get(key)
+
+    if (existing) {
+      existing.items.push(item)
+      continue
+    }
+
+    groups.set(key, {
+      key,
+      label: `${date.getFullYear()}年${date.getMonth() + 1}月`,
+      items: [item],
+    })
+  }
+
+  return Array.from(groups.values())
+})
+
+const selectedUploadCount = computed(() => {
+  if (!selectedUploadDate.value) return 0
+  return uploadDayCounts.value.get(selectedUploadDate.value) || 0
+})
+
+const contributionCells = computed(() => {
+  return Array.from(uploadDayCounts.value.entries())
+    .map(([date, count]) => ({ date, count }))
+    .sort((a, b) => a.date.localeCompare(b.date))
+})
+
+const activeUploadDays = computed(() => {
+  return contributionCells.value.filter(cell => cell.count > 0).length
+})
+
+const currentUploadStreak = computed(() => {
+  let streak = 0
+  const cursor = startOfDay(new Date())
+
+  while (true) {
+    const key = toLocalDayKey(cursor)
+    if ((uploadDayCounts.value.get(key) || 0) <= 0) break
+    streak += 1
+    cursor.setDate(cursor.getDate() - 1)
+  }
+
+  return streak
+})
+
+const longestUploadStreak = computed(() => {
+  let best = 0
+  let current = 0
+  let previousDate: Date | null = null
+
+  for (const cell of contributionCells.value) {
+    if (cell.count <= 0) continue
+
+    const currentDate = startOfDay(new Date(cell.date))
+
+    if (!previousDate) {
+      current = 1
+    } else {
+      const diffDays = Math.round((currentDate.getTime() - previousDate.getTime()) / 86400000)
+      current = diffDays === 1 ? current + 1 : 1
+    }
+
+    if (current > best) best = current
+    previousDate = currentDate
+  }
+
+  return best
+})
+
+function toDayKey(iso: string) {
+  const date = new Date(iso)
+  return toLocalDayKey(date)
+}
+
+function toLocalDayKey(date: Date) {
+  const month = `${date.getMonth() + 1}`.padStart(2, '0')
+  const day = `${date.getDate()}`.padStart(2, '0')
+  return `${date.getFullYear()}-${month}-${day}`
+}
+
+function startOfDay(date: Date) {
+  return new Date(date.getFullYear(), date.getMonth(), date.getDate())
+}
+
+function formatDate(iso: string | null) {
+  if (!iso) return '未知时间'
+  return new Date(iso).toLocaleDateString('zh-CN', {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+  })
+}
+
+function formatDayKey(dayKey: string | null) {
+  if (!dayKey) return ''
+  const [year, month, day] = dayKey.split('-').map(Number)
+  return new Date(year, (month || 1) - 1, day || 1).toLocaleDateString('zh-CN', {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+  })
+}
+
+function formatDateTime(iso: string | null) {
+  if (!iso) return '未知时间'
+  return new Date(iso).toLocaleString('zh-CN', {
+    year: 'numeric',
+    month: 'numeric',
+    day: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+  })
+}
+
+function formatCloudTime(item: ProfileCloudItem) {
+  return formatDateTime(item.captured_at || item.created_at)
+}
+
+function getProfileInitial(profile: Profile | null) {
+  return profile?.username?.slice(0, 1).toUpperCase() || '云'
+}
+
+function toggleSelectedUploadDate(date: string) {
+  selectedUploadDate.value = selectedUploadDate.value === date ? null : date
+}
+
+function clearSelectedUploadDate() {
+  selectedUploadDate.value = null
+}
+
+async function loadProfilePage(force = false) {
+  selectedCloud.value = null
+  selectedUploadDate.value = null
+
+  const targetUserId = viewedUserId.value
+
+  if (!targetUserId) {
+    return
+  }
+
+  await profileStore.fetchProfilePage(targetUserId, isOwnProfile.value, force)
+
+  if (isOwnProfile.value) {
+    await encyclopediaStore.fetchCloudTypes(force)
+    await encyclopediaStore.fetchMyCollection(force)
+  }
+}
+
+watch(
+  () => [route.params.id, authStore.user?.id],
+  () => {
+    loadProfilePage()
+  },
+  { immediate: true },
+)
+
+watch(selectedUploadDate, async newValue => {
+  if (!newValue) return
+  await nextTick()
+  timelineSectionRef.value?.scrollIntoView({
+    behavior: 'smooth',
+    block: 'start',
+  })
+})
 </script>
 
 <template>
-  <div class="max-w-3xl mx-auto px-4 py-12">
-    <h1 class="text-3xl font-bold text-gray-900 mb-4">个人主页</h1>
-    <p class="text-gray-500">个人主页开发中...</p>
+  <div class="relative">
+    <div class="border-b border-sky-100 bg-[linear-gradient(180deg,#e0f2fe_0%,#f8fafc_100%)]">
+      <div class="max-w-6xl mx-auto px-4 py-10">
+        <div v-if="loading" class="grid gap-6 lg:grid-cols-[1.25fr_0.95fr]">
+          <NCard>
+            <NSkeleton class="h-6 w-1/3" />
+            <NSkeleton class="mt-4 h-10 w-2/3" />
+            <NSkeleton class="mt-5 h-4 w-full" :repeat="2" />
+          </NCard>
+          <NCard>
+            <NSkeleton class="h-5 w-1/3" />
+            <NSkeleton class="mt-4 h-8 w-1/2" />
+            <NSkeleton class="mt-5 h-3 w-full" />
+          </NCard>
+        </div>
+
+        <div v-else class="grid gap-6 lg:grid-cols-[1.25fr_0.95fr] lg:items-start">
+          <div class="flex gap-5">
+            <div
+              class="flex h-20 w-20 shrink-0 items-center justify-center border border-slate-300 bg-[linear-gradient(135deg,#ecfeff_0%,#ccfbf1_100%)] text-3xl font-bold text-slate-900 shadow-[4px_4px_0_0_rgba(15,23,42,0.08)]"
+            >
+              <img
+                v-if="profileData?.avatar_url"
+                :src="profileData.avatar_url"
+                :alt="profileData.username"
+                class="h-full w-full object-cover"
+              />
+              <template v-else>
+                {{ getProfileInitial(profileData) }}
+              </template>
+            </div>
+
+            <div class="min-w-0">
+              <p class="text-sm font-medium uppercase tracking-[0.24em] text-sky-700">Sky Journal</p>
+              <h1 class="mt-3 text-4xl font-bold text-slate-900">
+                {{ pageTitle }}
+              </h1>
+              <p class="mt-3 text-lg font-medium text-slate-700">
+                @{{ profileData?.username || '未知用户' }}
+              </p>
+              <p class="mt-4 max-w-2xl text-sm leading-7 text-slate-600">
+                {{ profileSubtitle }}
+              </p>
+              <div class="mt-5 flex flex-wrap items-center gap-3 text-sm text-slate-500">
+                <span>注册于 {{ formatDate(profileData?.created_at || null) }}</span>
+                <NTag v-if="isOwnProfile" type="primary" :bordered="false">你的主页</NTag>
+                <NTag v-else :bordered="false">公开展示</NTag>
+              </div>
+            </div>
+          </div>
+
+          <NCard class="border border-white/80 bg-white/85 shadow-sm backdrop-blur" :bordered="false">
+            <template v-if="isOwnProfile">
+              <p class="text-sm text-slate-500">图鉴进度</p>
+              <div class="mt-3 flex items-end justify-between gap-4">
+                <div>
+                  <p class="text-3xl font-bold text-slate-900">{{ encyclopediaStore.unlockProgress }}</p>
+                  <p class="mt-2 text-sm text-slate-500">已解锁 {{ encyclopediaStore.unlockedCount }} 种基础云型</p>
+                </div>
+                <div class="border border-slate-900 bg-slate-900 px-4 py-3 text-xl font-semibold text-white">
+                  {{ encyclopediaStore.unlockPercent }}%
+                </div>
+              </div>
+              <NProgress
+                class="mt-5"
+                type="line"
+                :show-indicator="false"
+                :percentage="encyclopediaStore.unlockPercent"
+                color="{stops:['#0ea5e9','#f59e0b']}"
+                :height="12"
+              />
+            </template>
+
+            <template v-else>
+              <p class="text-sm text-slate-500">公开贡献</p>
+              <p class="mt-3 text-3xl font-bold text-slate-900">{{ approvedShots }}</p>
+              <p class="mt-2 text-sm text-slate-500">当前公开可见的云图数量</p>
+            </template>
+          </NCard>
+        </div>
+      </div>
+    </div>
+
+    <div class="max-w-6xl mx-auto px-4 py-8">
+      <NAlert
+        v-if="errorMsg"
+        type="error"
+        :show-icon="false"
+        :bordered="false"
+        title="个人主页加载失败"
+      >
+        {{ errorMsg }}
+      </NAlert>
+
+      <template v-else>
+        <div v-if="loading" class="grid gap-4 md:grid-cols-2 xl:grid-cols-4">
+          <NCard v-for="n in 4" :key="n">
+            <NSkeleton class="h-4 w-1/3" />
+            <NSkeleton class="mt-4 h-8 w-2/3" />
+          </NCard>
+        </div>
+
+        <div v-else class="grid gap-4 md:grid-cols-2 xl:grid-cols-4">
+          <NCard class="border border-slate-200 shadow-sm">
+            <p class="text-sm text-slate-500">总拍摄数</p>
+            <p class="mt-2 text-3xl font-bold text-slate-900">{{ totalShots }}</p>
+          </NCard>
+
+          <NCard class="border border-slate-200 shadow-sm">
+            <p class="text-sm text-slate-500">最常拍云型</p>
+            <p class="mt-2 text-2xl font-bold text-slate-900">{{ mostCommonCloudType.name }}</p>
+            <p class="mt-2 text-sm text-slate-500" v-if="mostCommonCloudType.count">
+              共 {{ mostCommonCloudType.count }} 张
+            </p>
+          </NCard>
+
+          <NCard class="border border-slate-200 shadow-sm">
+            <p class="text-sm text-slate-500">拍摄天数</p>
+            <p class="mt-2 text-3xl font-bold text-slate-900">{{ shootingDays }}</p>
+          </NCard>
+
+          <NCard class="border border-slate-200 shadow-sm">
+            <p class="text-sm text-slate-500">{{ isOwnProfile ? '已通过 / 待审核' : '公开通过数' }}</p>
+            <p class="mt-2 text-2xl font-bold text-slate-900">
+              <template v-if="isOwnProfile">{{ approvedShots }} / {{ pendingShots }}</template>
+              <template v-else>{{ approvedShots }}</template>
+            </p>
+          </NCard>
+        </div>
+
+        <section ref="timelineSectionRef" class="mt-8">
+          <ContributionHeatmap
+            :cells="contributionCells"
+            :total-count="totalShots"
+            :active-days="activeUploadDays"
+            :current-streak="currentUploadStreak"
+            :best-streak="longestUploadStreak"
+            :active-date="selectedUploadDate"
+            :subtitle="isOwnProfile ? '按上传日期统计' : '按公开上传日期统计'"
+            :title="isOwnProfile ? '上传活跃度' : '公开活跃度'"
+            @select-date="toggleSelectedUploadDate"
+          />
+        </section>
+
+        <section class="mt-8">
+          <div class="mb-5 flex items-end justify-between gap-4">
+            <div>
+              <h2 class="text-2xl font-bold text-slate-900">天空日志</h2>
+              <p class="mt-1 text-sm text-slate-500">
+                按拍摄时间倒序展示，并按月份分组。热力图统计按上传日期计算。
+              </p>
+            </div>
+            <div class="flex items-center gap-3">
+              <NButton secondary strong @click="loadProfilePage(true)">
+                刷新数据
+              </NButton>
+              <NButton
+                v-if="selectedUploadDate"
+                secondary
+                strong
+                @click="clearSelectedUploadDate"
+              >
+                清除筛选
+              </NButton>
+              <RouterLink v-if="isOwnProfile" to="/upload">
+                <NButton secondary strong type="primary">继续上传</NButton>
+              </RouterLink>
+            </div>
+          </div>
+
+          <div
+            v-if="selectedUploadDate"
+            class="mb-5 border border-sky-200 bg-sky-50 px-4 py-3 text-sm text-sky-800"
+          >
+            当前正在查看 <span class="font-semibold">{{ formatDayKey(selectedUploadDate) }}</span> 上传的图片，
+            共 <span class="font-semibold">{{ selectedUploadCount }}</span> 张。
+          </div>
+
+          <div v-if="loading" class="space-y-8">
+            <div v-for="n in 2" :key="n">
+              <NSkeleton class="h-6 w-40" />
+              <div class="mt-4 grid gap-5 md:grid-cols-2 xl:grid-cols-3">
+                <NCard v-for="m in 3" :key="m">
+                  <NSkeleton class="h-52 w-full" />
+                  <NSkeleton class="mt-4 h-5 w-2/3" />
+                  <NSkeleton class="mt-3 h-4 w-1/2" />
+                </NCard>
+              </div>
+            </div>
+          </div>
+
+          <div v-else-if="timelineGroups.length" class="space-y-10">
+            <section v-for="group in timelineGroups" :key="group.key">
+              <div class="flex items-center gap-4">
+                <h3 class="text-xl font-bold text-slate-900">{{ group.label }}</h3>
+                <div class="h-px flex-1 bg-slate-200"></div>
+              </div>
+
+              <div class="mt-5 grid gap-5 md:grid-cols-2 xl:grid-cols-3">
+                <button
+                  v-for="item in group.items"
+                  :key="item.id"
+                  type="button"
+                  @click="selectedCloud = item"
+                  class="group overflow-hidden border bg-white text-left shadow-sm transition-all hover:-translate-y-1 hover:shadow-lg"
+                  :class="selectedUploadDate && toDayKey(item.created_at) === selectedUploadDate ? 'border-sky-500 shadow-sky-100' : 'border-slate-200'"
+                >
+                  <div class="relative">
+                    <img
+                      :src="item.thumbnail_url || item.image_url"
+                      :alt="item.cloudTypeName"
+                      class="h-56 w-full object-cover transition duration-500 group-hover:scale-[1.03]"
+                    />
+                    <div class="absolute inset-x-0 bottom-0 h-28 bg-gradient-to-t from-slate-950/82 via-slate-950/32 to-transparent"></div>
+                    <div class="absolute left-4 top-4 flex flex-wrap gap-2">
+                      <span class="inline-flex border px-3 py-1 text-xs font-medium" :class="rarityMeta[item.cloudTypeRarity].chip">
+                        {{ rarityMeta[item.cloudTypeRarity].label }}
+                      </span>
+                      <span
+                        v-if="isOwnProfile"
+                        class="inline-flex border px-3 py-1 text-xs font-medium"
+                        :class="statusMeta[item.status].chip"
+                      >
+                        {{ statusMeta[item.status].label }}
+                      </span>
+                    </div>
+                    <div class="absolute bottom-4 left-4 right-4 text-white">
+                      <p class="truncate text-lg font-semibold">{{ item.cloudTypeName }}</p>
+                      <p class="mt-1 truncate text-xs text-white/80">{{ formatCloudTime(item) }}</p>
+                    </div>
+                  </div>
+
+                  <div class="p-5">
+                    <p class="truncate text-sm font-medium text-slate-900">
+                      {{ item.location_name || '未填写位置名称' }}
+                    </p>
+                    <p class="mt-3 line-clamp-3 text-sm leading-6 text-slate-500">
+                      {{ item.description || '没有留下额外说明。' }}
+                    </p>
+                  </div>
+                </button>
+              </div>
+            </section>
+          </div>
+
+          <div v-else class="border border-dashed border-slate-300 bg-white p-10">
+            <NEmpty :description="selectedUploadDate ? '这一天没有上传记录' : (isOwnProfile ? '还没有上传任何云图' : '这位用户还没有公开云图')">
+              <template #extra>
+                <RouterLink v-if="isOwnProfile && !selectedUploadDate" to="/upload">
+                  <NButton secondary strong type="primary">去上传第一张</NButton>
+                </RouterLink>
+                <NButton v-else-if="selectedUploadDate" secondary strong @click="clearSelectedUploadDate">返回全部记录</NButton>
+              </template>
+            </NEmpty>
+          </div>
+        </section>
+      </template>
+    </div>
+
+    <ImageDetailModal
+      v-if="selectedCloud"
+      :open="!!selectedCloud"
+      :image-url="selectedCloud.image_url"
+      :image-alt="selectedCloud.cloudTypeName"
+      :title="selectedCloud.cloudTypeName"
+      :subtitle="`拍摄时间：${formatCloudTime(selectedCloud)}`"
+      :badge-label="rarityMeta[selectedCloud.cloudTypeRarity].label"
+      :badge-class="rarityMeta[selectedCloud.cloudTypeRarity].chip"
+      @close="selectedCloud = null"
+    >
+      <div class="grid gap-4 sm:grid-cols-2">
+        <div class="border border-slate-200 bg-slate-50 p-4">
+          <p class="text-xs uppercase tracking-[0.18em] text-slate-500">上传时间</p>
+          <p class="mt-2 text-sm font-medium text-slate-900">{{ formatDateTime(selectedCloud.created_at) }}</p>
+        </div>
+        <div class="border border-slate-200 bg-slate-50 p-4">
+          <p class="text-xs uppercase tracking-[0.18em] text-slate-500">拍摄时间</p>
+          <p class="mt-2 text-sm font-medium text-slate-900">{{ formatDateTime(selectedCloud.captured_at) }}</p>
+        </div>
+        <div class="border border-slate-200 bg-slate-50 p-4">
+          <p class="text-xs uppercase tracking-[0.18em] text-slate-500">位置</p>
+          <p class="mt-2 text-sm font-medium text-slate-900">{{ selectedCloud.location_name || '未填写位置名称' }}</p>
+        </div>
+        <div class="border border-slate-200 bg-slate-50 p-4">
+          <p class="text-xs uppercase tracking-[0.18em] text-slate-500">{{ isOwnProfile ? '审核状态' : '可见性' }}</p>
+          <p class="mt-2 text-sm font-medium text-slate-900">
+            <template v-if="isOwnProfile">{{ statusMeta[selectedCloud.status].label }}</template>
+            <template v-else>公开可见</template>
+          </p>
+        </div>
+      </div>
+
+      <div class="mt-5 border border-slate-200 bg-white p-5">
+        <p class="text-xs uppercase tracking-[0.18em] text-slate-500">图片说明</p>
+        <p class="mt-3 text-sm leading-7 text-slate-700">
+          {{ selectedCloud.description || '上传者没有留下额外说明。' }}
+        </p>
+      </div>
+    </ImageDetailModal>
   </div>
 </template>