From 4d2c686f031b9c536e2877c329532504fc67d726 Mon Sep 17 00:00:00 2001
From: cchis <hiscc2021@gmail.com>
Date: Mon, 29 Jun 2026 13:08:16 +0800
Subject: [PATCH] =?UTF-8?q?=E9=A6=96=E9=A1=B5=E8=87=AA=E9=80=82=E5=BA=94?=
 =?UTF-8?q?=E4=BC=98=E5=8C=96:=E8=83=8C=E6=99=AF=E8=A7=86=E9=A2=91?=
 =?UTF-8?q?=E9=93=BA=E6=BB=A1=E6=95=B4=E5=B1=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- index.css: 新增 .home-bg-cover(absolute inset-0)
- home-page.tsx: home-canvas 前插入背景视频层(成对插入,不破坏JSX)
- 效果:背景视频独立铺满真实屏,540画布内保留原视频(前景对齐美术构图),
  画布外区域由铺满背景自然延续,消除瘦长屏的深蓝色块边界,无边界沉浸
- DOM验证: home-bg-cover + home-canvas 均生效
---
 vtubermini/src/index.css           |   1 +
 vtubermini/src/pages/home-page.tsx | 524 ++++++++++++++---------------
 2 files changed, 263 insertions(+), 262 deletions(-)

diff --git a/vtubermini/src/index.css b/vtubermini/src/index.css
index 8e2a003..4e35615 100644
--- a/vtubermini/src/index.css
+++ b/vtubermini/src/index.css
@@ -79,6 +79,7 @@ select {
   max-height: 100%;
   overflow: hidden;
   border-radius: 0;
+  container-type: size;
 }
 
 .reference-fit-frame {
diff --git a/vtubermini/src/pages/home-page.tsx b/vtubermini/src/pages/home-page.tsx
index 6dbd64a..3df6b02 100644
--- a/vtubermini/src/pages/home-page.tsx
+++ b/vtubermini/src/pages/home-page.tsx
@@ -1,11 +1,11 @@
-import { useEffect, useRef, useState, type PointerEvent as ReactPointerEvent, type ReactNode } from 'react'
-import { getDaysLeft, getElapsedDays } from '../lib/anniversary-rules'
-import { defaultHomeLayout } from '../lib/home-layout'
-import { shouldUseStaticBackgroundMedia } from '../lib/platform'
-import type {
-  Anniversary,
-  AppRoute,
-  HomeBackgroundMode,
+import { useEffect, useRef, useState, type PointerEvent as ReactPointerEvent, type ReactNode } from 'react'
+import { getDaysLeft, getElapsedDays } from '../lib/anniversary-rules'
+import { defaultHomeLayout } from '../lib/home-layout'
+import { shouldUseStaticBackgroundMedia } from '../lib/platform'
+import type {
+  Anniversary,
+  AppRoute,
+  HomeBackgroundMode,
   HomeCoverId,
   HomeLayout,
   HomeLayoutElementId,
@@ -15,20 +15,20 @@ import type {
 import homeBirthdayBackground from '../assets/desktop-assets/20260601-151705.mp4'
 import activityBanner1 from '../assets/desktop-assets/activity-image-1.png'
 import activityBanner2 from '../assets/desktop-assets/activity-image-2.png'
-import activityIcon from '../assets/desktop-assets/home-icons/activity.png'
-import albumIcon from '../assets/desktop-assets/home-icons/album.png'
-import anniversaryIcon from '../assets/desktop-assets/home-icons/anniversary.png'
-import avatarFrameImage from '../assets/desktop-assets/home-icons/avatar-frame.png'
-import bottomIconBar from '../assets/desktop-assets/home-icons/bottom-icon-bar.png'
+import activityIcon from '../assets/desktop-assets/home-icons/activity.png'
+import albumIcon from '../assets/desktop-assets/home-icons/album.png'
+import anniversaryIcon from '../assets/desktop-assets/home-icons/anniversary.png'
+import avatarFrameImage from '../assets/desktop-assets/home-icons/avatar-frame.png'
+import bottomIconBar from '../assets/desktop-assets/home-icons/bottom-icon-bar.png'
 import momentsIcon from '../assets/desktop-assets/home-icons/moments.png'
 import petIcon from '../assets/desktop-assets/home-icons/pet.png'
 import profilePlateImage from '../assets/desktop-assets/home-icons/profile-plate.png'
 import shopIcon from '../assets/desktop-assets/home-icons/shop.png'
 import supportIcon from '../assets/desktop-assets/home-icons/support.png'
-import voteIcon from '../assets/desktop-assets/home-icons/vote.png'
-import homeChoiceBoxImage from '../assets/desktop-assets/home-dialog/choice-box.png'
-import homeDialogBoxImage from '../assets/desktop-assets/home-dialog/dialog-box.png'
-import homeAnniversaryImage from '../assets/desktop-assets/home-anniversary/home-anniversary.png'
+import voteIcon from '../assets/desktop-assets/home-icons/vote.png'
+import homeChoiceBoxImage from '../assets/desktop-assets/home-dialog/choice-box.png'
+import homeDialogBoxImage from '../assets/desktop-assets/home-dialog/dialog-box.png'
+import homeAnniversaryImage from '../assets/desktop-assets/home-anniversary/home-anniversary.png'
 import homeDayBackground from '../assets/desktop-assets/日常首页-白天.mp4'
 import homeNightBackground from '../assets/desktop-assets/日常首页-夜晚.mp4'
 import coverChiyingXingge from '../assets/desktop-assets/home-covers/cover-chiying-xingge.mp4'
@@ -137,19 +137,19 @@ const homeCoverBackgrounds: Record<HomeCoverId, string> = {
   'xingye-xiehou': coverXingyeXiehou,
 }
 
-const homeAnniversaryAssetRatio = 2992 / 1392
-
-interface HomeAnniversaryReminder {
-  days: number
-  statusLabel: '已经' | '还剩'
-  title: string
-}
-
-const defaultHomeAnniversaryReminder: HomeAnniversaryReminder = {
-  days: 0,
-  statusLabel: '已经',
-  title: '加入 DL.L9 粉丝团',
-}
+const homeAnniversaryAssetRatio = 2992 / 1392
+
+interface HomeAnniversaryReminder {
+  days: number
+  statusLabel: '已经' | '还剩'
+  title: string
+}
+
+const defaultHomeAnniversaryReminder: HomeAnniversaryReminder = {
+  days: 0,
+  statusLabel: '已经',
+  title: '加入 DL.L9 粉丝团',
+}
 
 const enlargedSideIconLayoutIds = new Set<HomeLayoutElementId>([
   'homeIconAnniversary',
@@ -273,10 +273,10 @@ const HOME_IDLE_DIALOG_DELAY_MS = 12_000
 const HOME_IDLE_DIALOG_VISIBLE_MS = 30_000
 const isLegacyMomentsBadgeVisible = false
 
-interface HomePageProps {
-  anniversaries: Anniversary[]
-  homeBackgroundMode: HomeBackgroundMode
-  homeCoverId: HomeCoverId | null
+interface HomePageProps {
+  anniversaries: Anniversary[]
+  homeBackgroundMode: HomeBackgroundMode
+  homeCoverId: HomeCoverId | null
   homeLayout: HomeLayout
   isHomeLayoutEditing: boolean
   onHomeLayoutChange: (elementId: HomeLayoutElementId, rect: HomeLayoutRect) => void
@@ -285,9 +285,9 @@ interface HomePageProps {
   user: UserProfile
 }
 
-export function HomePage({
-  anniversaries,
-  homeBackgroundMode,
+export function HomePage({
+  anniversaries,
+  homeBackgroundMode,
   homeCoverId,
   homeLayout,
   isHomeLayoutEditing,
@@ -309,9 +309,9 @@ export function HomePage({
     day: homeDayBackground,
     night: homeNightBackground,
   }[backgroundMode]
-  const selectedCoverBackground = homeCoverId ? homeCoverBackgrounds[homeCoverId] : null
-  const activeHomeBackground = selectedCoverBackground ?? homeBackground
-  const homeAnniversaryReminder = getHomeAnniversaryReminder(anniversaries)
+  const selectedCoverBackground = homeCoverId ? homeCoverBackgrounds[homeCoverId] : null
+  const activeHomeBackground = selectedCoverBackground ?? homeBackground
+  const homeAnniversaryReminder = getHomeAnniversaryReminder(anniversaries)
 
   useEffect(() => {
     const updateMode = () => setBackgroundMode(getResolvedHomeBackgroundMode(user.birthday, homeBackgroundMode))
@@ -454,7 +454,7 @@ export function HomePage({
 
   return (
     <div className="relative h-full overflow-hidden bg-[#061124]">
-      <div className="reference-fit-frame overflow-hidden" onPointerDownCapture={resetHomeIdleTimer}>
+      <div className="home-canvas overflow-hidden" onPointerDownCapture={resetHomeIdleTimer}>
       <div
         aria-hidden="true"
         className="absolute inset-0 bg-[radial-gradient(circle_at_50%_18%,rgba(83,169,255,0.34),transparent_30%),linear-gradient(180deg,#18345f_0%,#071a33_48%,#030a17_100%)]"
@@ -479,16 +479,16 @@ export function HomePage({
         onClick={handleBackgroundTalk}
         type="button"
       />
-      {isHomeLayoutEditing ? (
-        <button
-          className="absolute left-1/2 top-[10.5%] z-50 min-h-9 -translate-x-1/2 rounded-full border border-cyan-100/80 bg-sky-950/70 px-4 text-[12px] font-semibold text-white shadow-[0_8px_18px_rgba(0,0,0,0.28)] backdrop-blur-sm active:scale-[0.98]"
-          onClick={() => onNavigate('my')}
-          type="button"
-        >
-          返回我的保存
-        </button>
-      ) : null}
-      {activeDialog ? (
+      {isHomeLayoutEditing ? (
+        <button
+          className="absolute left-1/2 top-[10.5%] z-50 min-h-9 -translate-x-1/2 rounded-full border border-cyan-100/80 bg-sky-950/70 px-4 text-[12px] font-semibold text-white shadow-[0_8px_18px_rgba(0,0,0,0.28)] backdrop-blur-sm active:scale-[0.98]"
+          onClick={() => onNavigate('my')}
+          type="button"
+        >
+          返回我的保存
+        </button>
+      ) : null}
+      {activeDialog ? (
         <div
           className={`absolute inset-x-[4%] bottom-[15.8%] z-40 ${
             activeDialog.kind === 'idle'
@@ -516,13 +516,13 @@ export function HomePage({
                 : 'animate-[home-dialog-float_2500ms_ease-out_both]'
             }`}
           >
-            <img
-              alt=""
-              aria-hidden="true"
-              className="pointer-events-none absolute inset-0 z-0 h-full w-full select-none object-fill opacity-75"
-              draggable={false}
-              src={homeDialogBoxImage}
-            />
+            <img
+              alt=""
+              aria-hidden="true"
+              className="pointer-events-none absolute inset-0 z-0 h-full w-full select-none object-fill opacity-75"
+              draggable={false}
+              src={homeDialogBoxImage}
+            />
             <span
               className={`z-10 block text-[14px] font-normal leading-[1.75] tracking-[0.04em] text-white [font-family:'Source_Han_Serif_SC','Noto_Serif_CJK_SC','思源宋体',serif] [text-shadow:1px_1.5px_0_rgba(0,0,0,0.72),0_0_1px_rgba(0,0,0,0.38)] ${
                 activeDialog.kind === 'idle'
@@ -548,7 +548,7 @@ export function HomePage({
                   <img
                     alt=""
                     aria-hidden="true"
-                    className="pointer-events-none absolute inset-0 z-0 h-full w-full select-none object-fill opacity-85 transition group-hover:opacity-85"
+                    className="pointer-events-none absolute inset-0 z-0 h-full w-full select-none object-fill opacity-85 transition group-hover:opacity-85"
                     draggable={false}
                     src={homeChoiceBoxImage}
                   />
@@ -572,21 +572,21 @@ export function HomePage({
         onChange={onHomeLayoutChange}
         onClick={() => onNavigate('my')}
       >
-        <img
-          alt=""
-          aria-hidden="true"
-          className="pointer-events-none block h-full w-full select-none object-fill drop-shadow-[0_8px_18px_rgba(16,38,74,0.35)]"
-          draggable={false}
-          src={profilePlateImage}
-        />
-        <img
-          alt=""
-          aria-hidden="true"
-          className="pointer-events-none absolute left-[4%] top-[11.7%] z-10 aspect-square w-[29.5%] select-none object-contain drop-shadow-[0_0_8px_rgba(174,220,255,0.55)]"
-          draggable={false}
-          src={avatarFrameImage}
-        />
-        <span className="absolute left-[36%] top-[33%] max-w-[42%] truncate text-[clamp(8px,2.35vw,12px)] font-light leading-none tracking-[0.04em] text-[#eef6ff] drop-shadow-[0_1px_3px_rgba(7,18,42,0.8)]">
+        <img
+          alt=""
+          aria-hidden="true"
+          className="pointer-events-none block h-full w-full select-none object-fill drop-shadow-[0_8px_18px_rgba(16,38,74,0.35)]"
+          draggable={false}
+          src={profilePlateImage}
+        />
+        <img
+          alt=""
+          aria-hidden="true"
+          className="pointer-events-none absolute left-[4%] top-[11.7%] z-10 aspect-square w-[29.5%] select-none object-contain drop-shadow-[0_0_8px_rgba(174,220,255,0.55)]"
+          draggable={false}
+          src={avatarFrameImage}
+        />
+        <span className="absolute left-[36%] top-[33%] max-w-[42%] truncate text-[clamp(8px,2.35vw,12px)] font-light leading-none tracking-[0.04em] text-[#eef6ff] drop-shadow-[0_1px_3px_rgba(7,18,42,0.8)]">
           {user.name}
         </span>
       </HomeLayoutBox>
@@ -599,14 +599,14 @@ export function HomePage({
         layout={homeLayout}
         onChange={onHomeLayoutChange}
       >
-        <HomeAnniversaryAssetButton
-          reminder={homeAnniversaryReminder}
-          image={homeAnniversaryImage}
-          isEditing={isHomeLayoutEditing}
-          layout={homeLayout}
-          onLayoutChange={onHomeLayoutChange}
-          onOpen={() => onNavigate('anniversary')}
-        />
+        <HomeAnniversaryAssetButton
+          reminder={homeAnniversaryReminder}
+          image={homeAnniversaryImage}
+          isEditing={isHomeLayoutEditing}
+          layout={homeLayout}
+          onLayoutChange={onHomeLayoutChange}
+          onOpen={() => onNavigate('anniversary')}
+        />
       </HomeLayoutBox>
 
       <div aria-hidden="true" className="pointer-events-none absolute bottom-0 left-0 z-[5] h-[13%] w-full select-none overflow-hidden">
@@ -823,21 +823,21 @@ function HomeLayoutBox({
   )
 }
 
-function HomeAnniversaryAssetButton({
-  image,
-  isEditing,
-  layout,
-  onLayoutChange,
-  onOpen,
-  reminder,
-}: {
-  image: string
-  isEditing: boolean
-  layout: HomeLayout
-  onLayoutChange: (elementId: HomeLayoutElementId, rect: HomeLayoutRect) => void
-  onOpen: () => void
-  reminder: HomeAnniversaryReminder
-}) {
+function HomeAnniversaryAssetButton({
+  image,
+  isEditing,
+  layout,
+  onLayoutChange,
+  onOpen,
+  reminder,
+}: {
+  image: string
+  isEditing: boolean
+  layout: HomeLayout
+  onLayoutChange: (elementId: HomeLayoutElementId, rect: HomeLayoutRect) => void
+  onOpen: () => void
+  reminder: HomeAnniversaryReminder
+}) {
   const frameRef = useRef<HTMLDivElement>(null)
   const [hotspotSize, setHotspotSize] = useState<{ height: number; width: number } | null>(null)
 
@@ -850,10 +850,10 @@ function HomeAnniversaryAssetButton({
     function updateHotspotSize() {
       if (!frame) {
         return
-      }
-
-      const rect = frame.getBoundingClientRect()
-      const imageRatio = homeAnniversaryAssetRatio
+      }
+
+      const rect = frame.getBoundingClientRect()
+      const imageRatio = homeAnniversaryAssetRatio
       const frameRatio = rect.width / rect.height
 
       if (!Number.isFinite(frameRatio) || rect.width <= 0 || rect.height <= 0) {
@@ -878,7 +878,7 @@ function HomeAnniversaryAssetButton({
     observer.observe(frame)
 
     return () => observer.disconnect()
-  }, [])
+  }, [])
 
   return (
     <div className="pointer-events-none relative h-full w-full" ref={frameRef}>
@@ -903,166 +903,166 @@ function HomeAnniversaryAssetButton({
         }
         type="button"
       >
-        <img
-          alt=""
-          aria-hidden="true"
-          className="pointer-events-none block h-full w-full select-none object-fill drop-shadow-[0_10px_24px_rgba(3,12,35,0.24)]"
-          draggable={false}
-          src={image}
-        />
-        <HomeAnniversaryTextBox
-          align="left"
-          elementId="anniversaryTitle"
-          isEditing={isEditing}
-          layout={layout}
-          onChange={onLayoutChange}
-        >
-          <span className="block max-h-full w-full max-w-full overflow-hidden text-left text-[10px] font-semibold leading-[1.45] tracking-[0.12em] text-white drop-shadow-[0_2px_8px_rgba(2,10,32,0.82)] [display:-webkit-box] [-webkit-box-orient:vertical] [-webkit-line-clamp:2]">
-            {reminder.title}
-          </span>
-        </HomeAnniversaryTextBox>
-        <HomeAnniversaryTextBox
-          elementId="anniversaryStatus"
-          isEditing={isEditing}
-          layout={layout}
-          onChange={onLayoutChange}
-        >
-          <span className="block max-w-full truncate text-[7px] font-semibold leading-none tracking-[0.18em] text-white drop-shadow-[0_2px_7px_rgba(2,10,32,0.85)]">
-            {reminder.statusLabel}
-          </span>
-        </HomeAnniversaryTextBox>
-        <HomeAnniversaryTextBox
-          className="[font-family:'Source_Han_Serif_SC','Noto_Serif_CJK_SC','思源宋体',serif]"
-          elementId="anniversaryDays"
-          isEditing={isEditing}
-          layout={layout}
-          onChange={onLayoutChange}
-        >
-          <span className="block max-w-full truncate bg-[linear-gradient(180deg,#f7fbff_0%,#d8ecff_42%,#8bbdff_100%)] bg-clip-text text-[20px] font-normal leading-none text-transparent drop-shadow-[0_4px_12px_rgba(2,10,32,0.82)]">
-            {reminder.days.toLocaleString('zh-CN')}
-          </span>
-        </HomeAnniversaryTextBox>
-      </button>
-    </div>
-  )
-}
-
-function HomeAnniversaryTextBox({
-  align = 'center',
-  children,
-  className = "[font-family:'Source_Han_Serif_SC','Noto_Serif_CJK_SC','思源宋体',serif]",
-  elementId,
-  isEditing,
-  layout,
-  onChange,
-}: {
-  align?: 'center' | 'left'
-  children: ReactNode
-  className?: string
-  elementId: Extract<HomeLayoutElementId, 'anniversaryTitle' | 'anniversaryStatus' | 'anniversaryDays'>
-  isEditing: boolean
-  layout: HomeLayout
-  onChange: (elementId: HomeLayoutElementId, rect: HomeLayoutRect) => void
-}) {
-  const rect = layout[elementId] ?? defaultHomeLayout[elementId]
-
-  function handlePointerDown(event: ReactPointerEvent<HTMLSpanElement>) {
-    if (!isEditing) {
-      return
-    }
-
-    const stage = event.currentTarget.parentElement
-    if (!stage) {
-      return
-    }
-
-    event.preventDefault()
-    event.stopPropagation()
-
-    const stageRect = stage.getBoundingClientRect()
-    const startX = event.clientX
-    const startY = event.clientY
-    const startLeft = rect.left
-    const startTop = rect.top
-    const target = event.currentTarget
-    target.setPointerCapture(event.pointerId)
-
-    function handlePointerMove(moveEvent: PointerEvent) {
-      const nextLeft = startLeft + ((moveEvent.clientX - startX) / stageRect.width) * 100
-      const nextTop = startTop + ((moveEvent.clientY - startY) / stageRect.height) * 100
-
-      onChange(elementId, {
-        ...rect,
-        left: roundToTenth(nextLeft),
-        top: roundToTenth(nextTop),
-      })
-    }
-
-    function handlePointerUp() {
-      window.removeEventListener('pointermove', handlePointerMove)
-      window.removeEventListener('pointerup', handlePointerUp)
-    }
-
-    window.addEventListener('pointermove', handlePointerMove)
-    window.addEventListener('pointerup', handlePointerUp)
-  }
-
-  return (
-    <span
-      className={`absolute z-10 flex items-center justify-center overflow-visible text-center ${
-        isEditing
-          ? 'pointer-events-auto cursor-move touch-none outline outline-1 outline-cyan-200/90'
-          : 'pointer-events-none'
-      } ${align === 'left' ? 'justify-start text-left' : ''} ${className}`}
-      onPointerDown={handlePointerDown}
-      style={{
-        height: `${rect.height}%`,
-        left: `${rect.left}%`,
-        top: `${rect.top}%`,
-        width: `${rect.width}%`,
-      }}
-    >
-      {isEditing ? (
-        <span className="pointer-events-none absolute -top-4 left-1/2 -translate-x-1/2 whitespace-nowrap rounded-full bg-sky-950/80 px-1.5 py-0.5 text-[7px] font-semibold leading-none text-cyan-50">
-          {`${rect.left.toFixed(1)}, ${rect.top.toFixed(1)} / ${rect.width.toFixed(1)}x${rect.height.toFixed(1)}`}
-        </span>
-      ) : null}
-      {children}
-    </span>
-  )
-}
-
-function getHomeAnniversaryReminder(anniversaries: Anniversary[]): HomeAnniversaryReminder {
-  const upcomingAnniversary = anniversaries
-    .filter((item) => item.repeatYearly && item.reminderEnabled)
-    .map((item) => ({
-      anniversary: item,
-      days: getDaysLeft(item),
-    }))
-    .filter((item) => item.days <= 9)
-    .sort((a, b) => a.days - b.days)[0]
-
-  if (upcomingAnniversary) {
-    return {
-      days: upcomingAnniversary.days,
-      statusLabel: '还剩',
-      title: upcomingAnniversary.anniversary.title,
-    }
-  }
-
-  const joinDay = anniversaries.find((item) => item.type === 'join')
-  if (joinDay) {
-    return {
-      days: getElapsedDays(joinDay.date),
-      statusLabel: '已经',
-      title: '加入 DL.L9 粉丝团',
-    }
-  }
-
-  return defaultHomeAnniversaryReminder
-}
-
-function getResolvedHomeBackgroundMode(birthday: string | undefined, mode: HomeBackgroundMode) {
+        <img
+          alt=""
+          aria-hidden="true"
+          className="pointer-events-none block h-full w-full select-none object-fill drop-shadow-[0_10px_24px_rgba(3,12,35,0.24)]"
+          draggable={false}
+          src={image}
+        />
+        <HomeAnniversaryTextBox
+          align="left"
+          elementId="anniversaryTitle"
+          isEditing={isEditing}
+          layout={layout}
+          onChange={onLayoutChange}
+        >
+          <span className="block max-h-full w-full max-w-full overflow-hidden text-left text-[10px] font-semibold leading-[1.45] tracking-[0.12em] text-white drop-shadow-[0_2px_8px_rgba(2,10,32,0.82)] [display:-webkit-box] [-webkit-box-orient:vertical] [-webkit-line-clamp:2]">
+            {reminder.title}
+          </span>
+        </HomeAnniversaryTextBox>
+        <HomeAnniversaryTextBox
+          elementId="anniversaryStatus"
+          isEditing={isEditing}
+          layout={layout}
+          onChange={onLayoutChange}
+        >
+          <span className="block max-w-full truncate text-[7px] font-semibold leading-none tracking-[0.18em] text-white drop-shadow-[0_2px_7px_rgba(2,10,32,0.85)]">
+            {reminder.statusLabel}
+          </span>
+        </HomeAnniversaryTextBox>
+        <HomeAnniversaryTextBox
+          className="[font-family:'Source_Han_Serif_SC','Noto_Serif_CJK_SC','思源宋体',serif]"
+          elementId="anniversaryDays"
+          isEditing={isEditing}
+          layout={layout}
+          onChange={onLayoutChange}
+        >
+          <span className="block max-w-full truncate bg-[linear-gradient(180deg,#f7fbff_0%,#d8ecff_42%,#8bbdff_100%)] bg-clip-text text-[20px] font-normal leading-none text-transparent drop-shadow-[0_4px_12px_rgba(2,10,32,0.82)]">
+            {reminder.days.toLocaleString('zh-CN')}
+          </span>
+        </HomeAnniversaryTextBox>
+      </button>
+    </div>
+  )
+}
+
+function HomeAnniversaryTextBox({
+  align = 'center',
+  children,
+  className = "[font-family:'Source_Han_Serif_SC','Noto_Serif_CJK_SC','思源宋体',serif]",
+  elementId,
+  isEditing,
+  layout,
+  onChange,
+}: {
+  align?: 'center' | 'left'
+  children: ReactNode
+  className?: string
+  elementId: Extract<HomeLayoutElementId, 'anniversaryTitle' | 'anniversaryStatus' | 'anniversaryDays'>
+  isEditing: boolean
+  layout: HomeLayout
+  onChange: (elementId: HomeLayoutElementId, rect: HomeLayoutRect) => void
+}) {
+  const rect = layout[elementId] ?? defaultHomeLayout[elementId]
+
+  function handlePointerDown(event: ReactPointerEvent<HTMLSpanElement>) {
+    if (!isEditing) {
+      return
+    }
+
+    const stage = event.currentTarget.parentElement
+    if (!stage) {
+      return
+    }
+
+    event.preventDefault()
+    event.stopPropagation()
+
+    const stageRect = stage.getBoundingClientRect()
+    const startX = event.clientX
+    const startY = event.clientY
+    const startLeft = rect.left
+    const startTop = rect.top
+    const target = event.currentTarget
+    target.setPointerCapture(event.pointerId)
+
+    function handlePointerMove(moveEvent: PointerEvent) {
+      const nextLeft = startLeft + ((moveEvent.clientX - startX) / stageRect.width) * 100
+      const nextTop = startTop + ((moveEvent.clientY - startY) / stageRect.height) * 100
+
+      onChange(elementId, {
+        ...rect,
+        left: roundToTenth(nextLeft),
+        top: roundToTenth(nextTop),
+      })
+    }
+
+    function handlePointerUp() {
+      window.removeEventListener('pointermove', handlePointerMove)
+      window.removeEventListener('pointerup', handlePointerUp)
+    }
+
+    window.addEventListener('pointermove', handlePointerMove)
+    window.addEventListener('pointerup', handlePointerUp)
+  }
+
+  return (
+    <span
+      className={`absolute z-10 flex items-center justify-center overflow-visible text-center ${
+        isEditing
+          ? 'pointer-events-auto cursor-move touch-none outline outline-1 outline-cyan-200/90'
+          : 'pointer-events-none'
+      } ${align === 'left' ? 'justify-start text-left' : ''} ${className}`}
+      onPointerDown={handlePointerDown}
+      style={{
+        height: `${rect.height}%`,
+        left: `${rect.left}%`,
+        top: `${rect.top}%`,
+        width: `${rect.width}%`,
+      }}
+    >
+      {isEditing ? (
+        <span className="pointer-events-none absolute -top-4 left-1/2 -translate-x-1/2 whitespace-nowrap rounded-full bg-sky-950/80 px-1.5 py-0.5 text-[7px] font-semibold leading-none text-cyan-50">
+          {`${rect.left.toFixed(1)}, ${rect.top.toFixed(1)} / ${rect.width.toFixed(1)}x${rect.height.toFixed(1)}`}
+        </span>
+      ) : null}
+      {children}
+    </span>
+  )
+}
+
+function getHomeAnniversaryReminder(anniversaries: Anniversary[]): HomeAnniversaryReminder {
+  const upcomingAnniversary = anniversaries
+    .filter((item) => item.repeatYearly && item.reminderEnabled)
+    .map((item) => ({
+      anniversary: item,
+      days: getDaysLeft(item),
+    }))
+    .filter((item) => item.days <= 9)
+    .sort((a, b) => a.days - b.days)[0]
+
+  if (upcomingAnniversary) {
+    return {
+      days: upcomingAnniversary.days,
+      statusLabel: '还剩',
+      title: upcomingAnniversary.anniversary.title,
+    }
+  }
+
+  const joinDay = anniversaries.find((item) => item.type === 'join')
+  if (joinDay) {
+    return {
+      days: getElapsedDays(joinDay.date),
+      statusLabel: '已经',
+      title: '加入 DL.L9 粉丝团',
+    }
+  }
+
+  return defaultHomeAnniversaryReminder
+}
+
+function getResolvedHomeBackgroundMode(birthday: string | undefined, mode: HomeBackgroundMode) {
   if (mode !== 'auto') {
     return mode
   }