feat: 情侣向焕新——主题、音效动效、战绩、表情互动与爱心彩蛋

- 四套主题（雅致木纹/心动粉/暗夜紫/水墨江南）：CSS 变量 + Canvas 棋盘配色联动
- 落子弹跳、最后一手呼吸光晕、五连扫光动画、终局爱心跳动卡片
- Web Audio 合成音效 + 手机震动反馈（落子/胜利/悔棋/表情/爱心）
- 自定义昵称（服务端座位持久化）+ 房间战绩统计（局数/胜负/和棋/决胜手数）
- 长按棋盘随机发送甜蜜表情，实时漂浮同步给对手（3 秒冷却防刷）
- 爱心连珠彩蛋：服务端模板检测棋盘爱心形状（含旋转镜像），触发全场爱心雨
- 双击棋盘点燃小爱心；随机甜蜜结算文案；大厅双人剪影插画与浪漫渐变
- 首页暴露局域网地址（vite host: true）

scripts/smoke.mjs

@@ -11,9 +11,26 @@ const EV = {
   resign: 'game:resign',
   claimOffline: 'game:claim-offline',
   restart: 'game:restart',
+  emojiSend: 'emoji:send',
+  emojiRecv: 'emoji:recv',
   state: 'game:state',
 }
 
+function waitEvent(s, event, ms = 3000) {
+  return new Promise((resolve, reject) => {
+    const timer = setTimeout(() => {
+      s.off(event, h)
+      reject(new Error(`${s.label} 等待事件 ${event} 超时`))
+    }, ms)
+    function h(...args) {
+      clearTimeout(timer)
+      s.off(event, h)
+      resolve(...args)
+    }
+    s.on(event, h)
+  })
+}
+
 let pass = 0
 let fail = 0
 function check(name, cond, extra = '') {
@@ -60,7 +77,6 @@ async function act(s, ev, payload, pred) {
   return { ack, st }
 }
 
-const sleep = (ms) => new Promise((r) => setTimeout(r, ms))
 const at = (x, y) => y * 15 + x
 
 async function main() {
@@ -70,16 +86,20 @@ async function main() {
   check('两个客户端均已连接', A.connected && B.connected)
 
   console.log('\n== 1. 建房与加入 ==')
-  const createAck = await emit(A, EV.create, {})
+  const createAck = await emit(A, EV.create, { nickname: '宝宝' })
   check('创建房间返回 ok', createAck?.ok === true, JSON.stringify(createAck))
   const roomId = createAck.roomId
   check('房间码为 6 位', typeof roomId === 'string' && roomId.length === 6, roomId)
 
-  const beforeJoin = await emit(B, EV.join, { roomId })
+  const beforeJoin = await emit(B, EV.join, { roomId, nickname: '贝贝' })
   check('B 加入成功且执白', beforeJoin?.ok === true && beforeJoin.seat === 2, JSON.stringify(beforeJoin).slice(0, 120))
   check('B 加入后状态为 playing', beforeJoin.state.status === 'playing')
   check('黑棋先手', beforeJoin.state.turn === 1)
   check('B 拿到重连凭证', typeof beforeJoin.resumeToken === 'string' && beforeJoin.resumeToken.length > 10)
+  check('昵称已生效：黑=宝宝', beforeJoin.state.black.nickname === '宝宝', JSON.stringify(beforeJoin.state.black))
+  check('昵称已生效：白=贝贝', beforeJoin.state.white.nickname === '贝贝', JSON.stringify(beforeJoin.state.white))
+  check('房间战绩初始 round=1', beforeJoin.state.stats.round === 1 && beforeJoin.state.stats.blackWins === 0)
+  check('爱心彩蛋初始未触发', beforeJoin.state.heartBy === null)
 
   const third = await connect('C')
   const thirdJoin = await emit(third, EV.join, { roomId })
@@ -141,6 +161,8 @@ async function main() {
     'winLine 内容正确',
     JSON.stringify(won.winLine) === JSON.stringify([3, 4, 5, 6, 7].map((x) => at(x, 7))),
   )
+  check('战绩：黑棋胜场 +1', won.stats.blackWins === 1 && won.stats.whiteWins === 0, JSON.stringify(won.stats))
+  check('直线五连不误触发爱心彩蛋', won.heartBy === null, String(won.heartBy))
 
   const afterOver = await emit(B, EV.move, { x: 10, y: 10 })
   check('终局后落子被拒', afterOver?.ok === false, JSON.stringify(afterOver))
@@ -158,6 +180,7 @@ async function main() {
   check('交换黑白生效：A 变白', swapAck.ok === true && sA.seat === 2)
   check('交换黑白生效：B 变黑', sB.seat === 1)
   check('交换后仍是黑棋先手', sA.turn === 1)
+  check('再来一局（两次 restart）后 round 为 3', sA.stats.round === 3, JSON.stringify(sA.stats))
 
   const blackNowIsB = await emit(B, EV.move, { x: 7, y: 7 })
   check('交换后 B 可以执黑落子', blackNowIsB?.ok === true, JSON.stringify(blackNowIsB))
@@ -189,6 +212,18 @@ async function main() {
   const notFound = await emit(A, EV.join, { roomId: 'ZZZZZZ' })
   check('加入不存在的房间被拒', notFound?.ok === false, JSON.stringify(notFound))
 
+  console.log('\n== 7.5 表情互动 ==')
+  const recvWait = waitEvent(B2, EV.emojiRecv, 3000)
+  const sendAck = await emit(A, EV.emojiSend, { emoji: '❤️' })
+  check('发送表情成功', sendAck?.ok === true, JSON.stringify(sendAck))
+  const recv = await recvWait
+  check('对手收到表情且来源正确', recv.emoji === '❤️' && recv.from === 2, JSON.stringify(recv))
+
+  const invalidEmoji = await emit(A, EV.emojiSend, { emoji: '🚫' })
+  check('非法表情被拒', invalidEmoji?.ok === false, JSON.stringify(invalidEmoji))
+  const flood = await emit(A, EV.emojiSend, { emoji: '💕' })
+  check('3 秒内重复发送被限流', flood?.ok === false, JSON.stringify(flood))
+
   const health = await fetch(`${URL}/healthz`).then((r) => r.json())
   check('健康检查可用', health.ok === true && typeof health.rooms === 'number', JSON.stringify(health))
   check('房间统计可用（≥1）', typeof health.rooms === 'number' && health.rooms >= 1, String(health.rooms))
@@ -283,6 +318,58 @@ async function main() {
   check('房间码不含易混字符 O/0/I/1', [...codes].every((c) => !/[O0I1]/.test(c)), [...codes].slice(0, 3).join(','))
   check('200 次生成无重复', codes.size === 200, String(codes.size))
 
+  // 8.7 爱心连珠彩蛋（模板检测 + 房间级触发）
+  const { findHeartLine } = await import('../dist-server/server/game.js')
+  const fill = (coords) => {
+    const b = new Array(225).fill(0)
+    for (const [x, y] of coords) b[y * 15 + x] = 1
+    return b
+  }
+  // 4x4 模板（.代表空格，# 代表落子位）在偏移 (5,5)：
+  // .##.
+  // ####
+  // ####
+  // .##.
+  const heartCoords = [
+    [6, 5], [7, 5], [5, 6], [6, 6], [7, 6], [8, 6],
+    [5, 7], [6, 7], [7, 7], [8, 7], [6, 8], [7, 8],
+  ]
+  check(
+    'findHeartLine 命中 4x4 模板（12 格）',
+    (() => {
+      const line = findHeartLine(fill(heartCoords), 1)
+      return line !== null && line.length === 12
+    })(),
+  )
+  // 旋转 90° 后仍能命中
+  const rotCoords = [
+    [5, 6], [5, 7], [6, 5], [6, 6], [6, 7], [6, 8],
+    [7, 5], [7, 6], [7, 7], [7, 8], [8, 6], [8, 7],
+  ]
+  check('旋转后模板仍可命中', findHeartLine(fill(rotCoords), 1) !== null)
+  // 直线不触发
+  const lineOnly = fill([[3, 7], [4, 7], [5, 7], [6, 7], [7, 7]])
+  check('直线不触发爱心', findHeartLine(lineOnly, 1) === null)
+
+  // 房间级触发：黑棋交替落模板格，白棋落分散角落，12 手后触发
+  const heartRoom = new Room('T-HRT')
+  heartRoom.bind(1, 'hr-s1')
+  heartRoom.bind(2, 'hr-s2')
+  const whiteFallback = [
+    [0, 0], [0, 2], [1, 1], [1, 3], [2, 0], [2, 2],
+    [0, 6], [1, 5], [2, 4], [0, 4], [1, 7], [2, 6],
+  ]
+  for (let i = 0; i < 12; i++) {
+    const br = heartRoom.place(heartCoords[i][0], heartCoords[i][1], 1)
+    if (!br.ok) throw new Error(`黑棋落子失败 (${heartCoords[i]}): ${br.error}`)
+    if (i < 11) {
+      const [wx, wy] = whiteFallback[i]
+      const wr = heartRoom.place(wx, wy, 2)
+      if (!wr.ok) throw new Error(`白棋落子失败 (${wx},${wy}): ${wr.error}`)
+    }
+  }
+  check('房间级触发爱心彩蛋（黑方）', heartRoom.heartBy === 1, String(heartRoom.heartBy))
+
   console.log(`\n===== 通过 ${pass} 项，失败 ${fail} 项 =====`)
   process.exit(fail === 0 ? 0 : 1)
 }

server/game.ts

@@ -53,3 +53,91 @@ export function isEmptyCell(board: Cell[], x: number, y: number): boolean {
 export function opponent(p: Player): Player {
   return p === 1 ? 2 : 1
 }
+
+/* ------------------------------------------------------------------ */
+/* 爱心连珠彩蛋：预设爱心形状模板，任一方棋子完整覆盖即触发              */
+/* 模板用 1 图案 / 0 空格表示，扫描全盘（含 4 向旋转），支持 any 尺寸     */
+/* ------------------------------------------------------------------ */
+
+const HEART_TEMPLATES: Array<Array<Array<0 | 1>>> = [
+  // 4x4 小爱心（12 格）
+  [
+    [0, 1, 1, 0],
+    [1, 1, 1, 1],
+    [1, 1, 1, 1],
+    [0, 1, 1, 0],
+  ],
+  // 5x5 大爱心（12 格，尖角形）
+  [
+    [0, 1, 0, 1, 0],
+    [1, 1, 1, 1, 1],
+    [0, 1, 1, 1, 0],
+    [0, 0, 1, 0, 0],
+  ],
+]
+
+/** 镜像模板（左右翻转） */
+function mirror(t: Array<Array<0 | 1>>): Array<Array<0 | 1>> {
+  return t.map((row) => [...row].reverse())
+}
+
+/** 顺时针旋转 90° */
+function rotate(t: Array<Array<0 | 1>>): Array<Array<0 | 1>> {
+  const h = t.length
+  const w = t[0]!.length
+  const out: Array<Array<0 | 1>> = []
+  for (let x = 0; x < w; x++) {
+    const row: Array<0 | 1> = []
+    for (let y = h - 1; y >= 0; y--) row.push(t[y]![x]!)
+    out.push(row)
+  }
+  return out
+}
+
+/**
+ * 检测 player 是否在棋盘上完整摆出了某个爱心模板（含旋转与镜像）。
+ * 命中返回模板格子的下标数组（用于前端撒花定位），否则 null。
+ */
+export function findHeartLine(board: Cell[], player: Player): number[] | null {
+  const compact: Array<{ i: number; j: number }> = []
+
+  for (const base of HEART_TEMPLATES) {
+    // 变体集合：原形、旋转 90/180/270、每种的镜像
+    const variants: Array<Array<Array<0 | 1>>> = [base]
+    const seen = new Set<string>()
+    let cur = base
+    for (let r = 0; r < 4; r++) {
+      cur = rotate(cur)
+      const key = JSON.stringify(cur)
+      if (!seen.has(key)) {
+        seen.add(key)
+        variants.push(cur)
+        variants.push(mirror(cur))
+      }
+    }
+
+    for (const tmpl of variants) {
+      const th = tmpl.length
+      const tw = tmpl[0]!.length
+      compact.length = 0
+      for (let i = 0; i < th; i++) {
+        for (let j = 0; j < tw; j++) {
+          if (tmpl[i]![j]) compact.push({ i, j })
+        }
+      }
+
+      // 全盘扫描偏移
+      for (let oy = 0; oy + th <= BOARD_SIZE; oy++) {
+        for (let ox = 0; ox + tw <= BOARD_SIZE; ox++) {
+          const all = compact.every(
+            ({ i, j }) => board[idx(ox + j, oy + i)] === player,
+          )
+          if (all) {
+            return compact.map(({ i, j }) => idx(ox + j, oy + i))
+          }
+        }
+      }
+    }
+  }
+  return null
+}

server/index.ts

@@ -8,9 +8,11 @@ import path from 'node:path'
 import express from 'express'
 import { Server } from 'socket.io'
 import {
+  EMOJIS,
   EV,
   type ActionAck,
   type CreateAck,
+  type EmojiPayload,
   type JoinAck,
   type NoticePayload,
   type Player,
@@ -57,9 +59,15 @@ declare module 'socket.io' {
   interface SocketData {
     roomId?: string
     seat?: Player
+    /** 表情发送冷却时间戳 */
+    lastEmojiAt?: number
   }
 }
 
+function opponentOf(p: Player): Player {
+  return p === 1 ? 2 : 1
+}
+
 /* ------------------------------------------------------------------ */
 /* 工具                                                                */
 /* ------------------------------------------------------------------ */
@@ -124,13 +132,14 @@ io.on('connection', (socket) => {
     }
   }
 
-  socket.on(EV.create, (_payload: unknown, ack?: unknown) => {
+  socket.on(EV.create, (payload: { nickname?: string } | undefined, ack?: unknown) => {
     const reply = asAck(ack)
     const room = manager.create()
     room.bind(1, socket.id)
     socket.data.roomId = room.id
     socket.data.seat = 1
     void socket.join(room.id)
+    room.setNickname(1, payload?.nickname ?? '')
     reply?.({ ok: true, roomId: room.id, seat: 1, resumeToken: room.tokenOf(1) } satisfies CreateAck)
     broadcast(room)
   })
@@ -138,7 +147,7 @@ io.on('connection', (socket) => {
   socket.on(
     EV.join,
     (
-      payload: { roomId?: string; resumeToken?: string } | undefined,
+      payload: { roomId?: string; resumeToken?: string; nickname?: string } | undefined,
       ack?: unknown,
     ) => {
       const reply = asAck(ack)
@@ -164,6 +173,9 @@ io.on('connection', (socket) => {
       socket.data.seat = seat
       void socket.join(room.id)
 
+      // 昵称：重连时不覆盖已有昵称；新加入时设置
+      if (payload?.nickname) room.setNickname(seat, payload.nickname)
+
       // 顶掉该座位的旧连接（同一玩家在另一台设备/标签页重连）
       if (staleSocketId && staleSocketId !== socket.id) {
         const stale = io.sockets.sockets.get(staleSocketId)
@@ -226,6 +238,36 @@ io.on('connection', (socket) => {
     },
   )
 
+  // 发送表情给对手：校验合法性（必须在 EMOJIS 里），转发到对手 socket。
+  // 有 3 秒冷却，防止刷屏。
+  socket.on(EV.emojiSend, (payload: EmojiPayload | undefined, ack?: unknown) => {
+    const reply = asAck(ack)
+    const ctx = ctxOf(socket.id, socket.data)
+    if (!ctx) {
+      reply?.({ ok: false, error: '你已不在对局中' })
+      return
+    }
+    if (!payload?.emoji || !(EMOJIS as readonly string[]).includes(payload.emoji)) {
+      reply?.({ ok: false, error: '无效的表情' })
+      return
+    }
+    const now = Date.now()
+    if (now - (socket.data.lastEmojiAt ?? 0) < 3000) {
+      reply?.({ ok: false, error: '发得太快了，稍等片刻' })
+      return
+    }
+    socket.data.lastEmojiAt = now
+
+    const foeSid = ctx.room.socketIdOf(opponentOf(ctx.seat))
+    if (foeSid) {
+      io.to(foeSid).emit(EV.emojiRecv, { emoji: payload.emoji, from: ctx.seat } satisfies {
+        emoji: string
+        from: Player
+      })
+    }
+    reply?.({ ok: true })
+  })
+
   socket.on('disconnect', () => {
     const ctx = ctxOf(socket.id, socket.data)
     if (!ctx) return

server/room.ts

@@ -12,9 +12,10 @@ import {
   type EndReason,
   type GameStatus,
   type Player,
+  type RoomStats,
   type RoomState,
 } from '../shared/protocol.js'
-import { createBoard, findWinLine, idx, isEmptyCell, opponent } from './game.js'
+import { createBoard, findHeartLine, findWinLine, idx, isEmptyCell, opponent } from './game.js'
 
 /** 房间码字母表：剔除 O/0/I/1 等易混字符 */
 const ALPHABET = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789'
@@ -33,10 +34,12 @@ interface Seat {
   online: boolean
   /** 掉线起始时间，用于判定"离线超时" */
   offlineSince: number | null
+  /** 昵称，空串 = 未设置 */
+  nickname: string
 }
 
 function newSeat(): Seat {
-  return { resumeToken: null, socketId: null, online: false, offlineSince: null }
+  return { resumeToken: null, socketId: null, online: false, offlineSince: null, nickname: '' }
 }
 
 export type ActionResult = { ok: true } | { ok: false; error: string }
@@ -57,6 +60,11 @@ export class Room {
   undoRequestedAt: number | null = null
   lastActiveAt = Date.now()
 
+  /** 本局是否已触发爱心彩蛋（每局最多一次） */
+  heartBy: Player | null = null
+  /** 房间累计战绩（进程内存） */
+  stats: RoomStats = { round: 1, blackWins: 0, whiteWins: 0, draws: 0 }
+
   private seats: Record<Player, Seat> = { 1: newSeat(), 2: newSeat() }
 
   constructor(id = generateRoomId()) {
@@ -98,6 +106,19 @@ export class Room {
     return null
   }
 
+  nicknameOf(seat: Player): string {
+    return this.seats[seat].nickname
+  }
+
+  /** 设置昵称，剔除全空/过长输入 */
+  setNickname(seat: Player, nickname: string): void {
+    const name = nickname.trim().slice(0, 12)
+    if (name.length > 0) {
+      this.seats[seat].nickname = name
+      this.touch()
+    }
+  }
+
   /** 把 socket 绑定到座位；若该座位已有旧 socket，则把旧 socket 顶掉 */
   bind(seat: Player, socketId: string): void {
     const s = this.seats[seat]
@@ -144,6 +165,18 @@ export class Room {
 
   /* --------------------------- 对局动作 --------------------------- */
 
+  /** 统一终局结算：状态置 over 并累计战绩（仅转变时调用一次） */
+  private finish(winner: Player | 0, reason: EndReason, winLine: number[] | null): void {
+    this.status = 'over'
+    this.winner = winner
+    this.endReason = reason
+    this.winLine = winLine
+    if (winner === 1) this.stats.blackWins += 1
+    else if (winner === 2) this.stats.whiteWins += 1
+    else this.stats.draws += 1
+    this.touch()
+  }
+
   place(x: number, y: number, player: Player): ActionResult {
     if (this.status === 'waiting') return { ok: false, error: '对手还没进入房间' }
     if (this.status === 'over') return { ok: false, error: '本局已结束，请开新局' }
@@ -159,16 +192,16 @@ export class Room {
     this.undoRequestedAt = null
     this.touch()
 
+    // 爱心连珠彩蛋：本局未触发过且落子后成爱心 → 记录触发方
+    if (this.heartBy === null && findHeartLine(this.board, player)) {
+      this.heartBy = player
+    }
+
     const line = findWinLine(this.board, x, y, player)
     if (line) {
-      this.status = 'over'
-      this.winner = player
-      this.endReason = 'five'
-      this.winLine = line
+      this.finish(player, 'five', line)
     } else if (this.moveCount >= CELL_COUNT) {
-      this.status = 'over'
-      this.winner = 0
-      this.endReason = 'draw'
+      this.finish(0, 'draw', null)
     } else {
       this.turn = opponent(player)
     }
@@ -227,11 +260,7 @@ export class Room {
   resign(player: Player): ActionResult {
     if (this.status === 'over') return { ok: false, error: '本局已结束' }
     if (this.status === 'waiting') return { ok: false, error: '对手还没进入房间' }
-    this.status = 'over'
-    this.winner = opponent(player)
-    this.endReason = 'resign'
-    this.winLine = null
-    this.touch()
+    this.finish(opponent(player), 'resign', null)
     return { ok: true }
   }
 
@@ -243,11 +272,7 @@ export class Room {
     if (this.offlineFor(foe, now) < OFFLINE_CLAIM_MS) {
       return { ok: false, error: `对手掉线未超过 ${Math.round(OFFLINE_CLAIM_MS / 1000)} 秒，请再等一下` }
     }
-    this.status = 'over'
-    this.winner = player
-    this.endReason = 'offline'
-    this.winLine = null
-    this.touch()
+    this.finish(player, 'offline', null)
     return { ok: true }
   }
 
@@ -267,6 +292,8 @@ export class Room {
     this.moveCount = 0
     this.undoRequestedBy = null
     this.undoRequestedAt = null
+    this.heartBy = null
+    this.stats.round += 1
     this.touch()
 
     if (!swap) return { swapped: false, mapping: [] }
@@ -298,8 +325,18 @@ export class Room {
       lastMove: this.lastMove,
       moveCount: this.moveCount,
       undoRequestedBy: this.undoRequestedBy,
-      black: { joined: this.seats[1].resumeToken !== null, online: this.seats[1].online },
-      white: { joined: this.seats[2].resumeToken !== null, online: this.seats[2].online },
+      black: {
+        joined: this.seats[1].resumeToken !== null,
+        online: this.seats[1].online,
+        nickname: this.seats[1].nickname,
+      },
+      white: {
+        joined: this.seats[2].resumeToken !== null,
+        online: this.seats[2].online,
+        nickname: this.seats[2].nickname,
+      },
+      heartBy: this.heartBy,
+      stats: { ...this.stats },
       seat,
     }
   }

shared/protocol.ts

@@ -18,12 +18,26 @@ export type GameStatus = 'waiting' | 'playing' | 'over'
 /** 终局原因：五连 / 和棋 / 认输 / 对手离线判负 */
 export type EndReason = 'five' | 'draw' | 'resign' | 'offline'
 
-/** 座位是否有人、是否在线 */
+/** 座位是否有人、是否在线、昵称 */
 export interface SeatInfo {
   joined: boolean
   online: boolean
+  /** 昵称，空串表示未设置（前端显示「黑棋/白棋」） */
+  nickname: string
 }
 
+/** 房间内累计战绩（进程内存，重启即清零） */
+export interface RoomStats {
+  /** 当前进行的局数编号，从 1 起 */
+  round: number
+  blackWins: number
+  whiteWins: number
+  draws: number
+}
+
+/** 可发送给对手的表情符号 */
+export const EMOJIS = ['❤️', '💕', '✨', '🌟', '💗', '😘', '🥰', '💌', '🍀', '💘'] as const
+
 /**
  * 完整对局状态（服务端权威，每次变更后全量下发）。
  * 225 个格子的全量同步只有几百字节，用全量换掉增量同步的一致性风险。
@@ -46,6 +60,13 @@ export interface RoomState {
   undoRequestedBy: Player | null
   black: SeatInfo
   white: SeatInfo
+  /**
+   * 本局是否已触发「爱心连珠」彩蛋及触发方。
+   * null = 未触发；否则前端播放爱心雨特效并提示。
+   */
+  heartBy: Player | null
+  /** 房间累计战绩 */
+  stats: RoomStats
   /** 接收者自己执子颜色，未入座为 null */
   seat: Player | null
 }
@@ -71,6 +92,10 @@ export const EV = {
   claimOffline: 'game:claim-offline',
   /** 再来一局，ack: ActionAck */
   restart: 'game:restart',
+  /** 发送表情给对手（长按棋盘），ack: ActionAck */
+  emojiSend: 'emoji:send',
+  /** 服务端 → 客户端：收到对手表情 */
+  emojiRecv: 'emoji:recv',
   /** 服务端 → 客户端：全量状态推送 */
   state: 'game:state',
   /** 服务端 → 客户端：一次性提示（错误/事件） */
@@ -109,6 +134,14 @@ export interface NoticePayload {
   message: string
 }
 
+/** 发送表情载荷：emoji 必须是 EMOJIS 中的字符 */
+export interface EmojiPayload {
+  emoji: string
+}
+
+/** 音效场景 */
+export type SoundKind = 'place' | 'win' | 'undo' | 'emoji' | 'heart'
+
 /** 悔棋请求自动失效时长 */
 export const UNDO_TIMEOUT_MS = 60_000
 /** 对手离线多久后允许判负 */

vite.config.ts

@@ -10,6 +10,8 @@ export default defineConfig({
     emptyOutDir: true,
   },
   server: {
+    // 绑定所有网卡（0.0.0.0），便于局域网/内网其他机器（如 100.64.0.2）直接访问
+    host: true,
     port: 5173,
     // 开发态把 Socket.IO 请求（含 WebSocket upgrade）转发给本地 Node 服务
     proxy: {

web/src/App.vue

@@ -4,16 +4,19 @@ import { io } from 'socket.io-client'
 import type { Socket } from 'socket.io-client'
 import Board from './components/Board.vue'
 import {
+  EMOJIS,
   EV,
   OFFLINE_CLAIM_MS,
   type ActionAck,
   type CreateAck,
+  type EmojiPayload,
   type EndReason,
   type JoinAck,
   type NoticePayload,
   type Player,
   type RoomState,
 } from '../../shared/protocol'
+import { THEMES, applyTheme, loadTheme, type ThemeId } from './theme'
 
 /* ------------------------------------------------------------------ */
 /* 本地会话：房间号 + 重连凭证，用于刷新/掉线后自动回到原座位            */
@@ -53,6 +56,24 @@ function clearSession(): void {
 
 const initialRoomId = (new URLSearchParams(location.search).get('r') ?? '').trim().toUpperCase()
 
+const NICKNAME_KEY = 'wuziqi.nickname'
+
+function loadNickname(): string {
+  try {
+    return (localStorage.getItem(NICKNAME_KEY) ?? '').slice(0, 12)
+  } catch {
+    return ''
+  }
+}
+
+function saveNickname(name: string): void {
+  try {
+    localStorage.setItem(NICKNAME_KEY, name.trim().slice(0, 12))
+  } catch {
+    /* 隐私模式忽略 */
+  }
+}
+
 /* ------------------------------------------------------------------ */
 /* 状态                                                               */
 /* ------------------------------------------------------------------ */
@@ -63,6 +84,9 @@ const connected = ref(false)
 const phase = ref<'connecting' | 'lobby' | 'room'>('connecting')
 const state = ref<RoomState | null>(null)
 const joinCode = ref(initialRoomId)
+const nickname = ref(loadNickname())
+const theme = ref<ThemeId>(loadTheme())
+const showThemePicker = ref(false)
 const busy = ref(false)
 const resultDismissed = ref(false)
 /** 悔棋等待弹窗是否被手动收起（对方未响应前允许先看棋盘） */
@@ -70,6 +94,16 @@ const undoWaitDismissed = ref(false)
 const toast = ref<{ text: string; error: boolean } | null>(null)
 let toastTimer: number | undefined
 
+/** 收到的表情动画请求（id 递增以触发 watch） */
+const emojiFx = ref<{ id: number; emoji: string } | null>(null)
+let emojiId = 0
+/** 爱心特效触发计数（彩蛋 heartBy 变化时 +1） */
+const heartFx = ref(0)
+let lastHeartBy: Player | null | undefined = undefined
+
+// 应用初始主题
+applyTheme(theme.value)
+
 /** 只有拿到服务端状态才认为真正进入了房间 */
 const view = computed<'lobby' | 'loading' | 'room'>(() => {
   if (state.value) return 'room'
@@ -82,6 +116,12 @@ function showToast(text: string, error = false): void {
   toastTimer = window.setTimeout(() => (toast.value = null), 2600)
 }
 
+function showSweetToast(text: string): void {
+  toast.value = { text, error: false }
+  if (toastTimer) window.clearTimeout(toastTimer)
+  toastTimer = window.setTimeout(() => (toast.value = null), 3800)
+}
+
 /* ------------------------------------------------------------------ */
 /* 连接与房间进入                                                      */
 /* ------------------------------------------------------------------ */
@@ -90,8 +130,12 @@ function doJoin(payload: { roomId: string; resumeToken?: string }, notifyOnFail:
   const s = socket
   if (!s) return
   if (phase.value !== 'room') phase.value = 'connecting'
+  // 新加入时带昵称；重连时不覆盖已有昵称（服务端只在非空时设置）
+  const sendPayload: Record<string, string> = { roomId: payload.roomId }
+  if (payload.resumeToken) sendPayload.resumeToken = payload.resumeToken
+  if (!payload.resumeToken && nickname.value.trim()) sendPayload.nickname = nickname.value.trim()
 
-  s.emit(EV.join, payload, (res: JoinAck | ActionAck) => {
+  s.emit(EV.join, sendPayload, (res: JoinAck | ActionAck) => {
     busy.value = false
     if (res.ok) {
       const ok = res as JoinAck
@@ -149,6 +193,18 @@ onMounted(() => {
     if (incoming.status === 'playing') resultDismissed.value = false
     // 悔棋请求已结束（同意/拒绝/超时/落子取消）时重置弹窗状态
     if (incoming.undoRequestedBy === null) undoWaitDismissed.value = false
+    // 爱心连珠彩蛋触发：heartBy 从 null 变为某方 → 播放全场爱心雨
+    if (incoming.heartBy !== null && incoming.heartBy !== lastHeartBy) {
+      lastHeartBy = incoming.heartBy
+      heartFx.value += 1
+      showSweetToast('你们在棋盘上摆出了一颗心 💗')
+    }
+    if (incoming.heartBy === null) lastHeartBy = null
+  })
+  // 收到对手表情 → 播放漂浮动画
+  s.on(EV.emojiRecv, (p: EmojiPayload) => {
+    emojiId += 1
+    emojiFx.value = { id: emojiId, emoji: p.emoji }
   })
   s.on(EV.notice, (p: NoticePayload) => showToast(p.message, p.level === 'error'))
 
@@ -185,7 +241,9 @@ function createRoom(): void {
   }
   busy.value = true
   // 统一约定：载荷在前、回调在后，服务端只从最后一个参数取 ack
-  s.emit(EV.create, {}, (res: CreateAck | ActionAck) => {
+  const createPayload: Record<string, string> = {}
+  if (nickname.value.trim()) createPayload.nickname = nickname.value.trim()
+  s.emit(EV.create, createPayload, (res: CreateAck | ActionAck) => {
     busy.value = false
     if (!res.ok) {
       showToast((res as { error: string }).error, true)
@@ -225,6 +283,21 @@ function leaveRoom(): void {
   history.replaceState(null, '', location.pathname)
 }
 
+/** 长按棋盘 → 随机发一个甜蜜表情给对手，并本地立即可视化 */
+function sendEmoji(): void {
+  const emoji = EMOJIS[Math.floor(Math.random() * EMOJIS.length)]!
+  // 乐观反馈：本地先播放
+  emojiId += 1
+  emojiFx.value = { id: emojiId, emoji }
+  act(EV.emojiSend, { emoji })
+}
+
+function setTheme(id: ThemeId): void {
+  theme.value = id
+  applyTheme(id)
+  showThemePicker.value = false
+}
+
 /* ------------------------------------------------------------------ */
 /* 派生状态                                                            */
 /* ------------------------------------------------------------------ */
@@ -295,6 +368,67 @@ const END_REASON_TEXT: Record<EndReason, string> = {
   offline: '对手离线判负',
 }
 
+const myNick = computed(() => {
+  const s = state.value
+  if (!s) return ''
+  return s.seat === 1 ? s.black.nickname || '黑棋' : s.seat === 2 ? s.white.nickname || '白棋' : ''
+})
+
+const oppNick = computed(() => {
+  const s = state.value
+  if (!s) return ''
+  if (s.seat === 1) return s.white.nickname || '白棋'
+  if (s.seat === 2) return s.black.nickname || '黑棋'
+  return ''
+})
+
+/** 终局决胜子坐标文案（五连时最后落子即决胜点） */
+const endMoveText = computed(() => {
+  const s = state.value
+  if (!s || s.endReason !== 'five' || s.lastMove === null) return ''
+  const x = s.lastMove % 15
+  const y = Math.floor(s.lastMove / 15)
+  return `决胜于 (${x + 1}, ${y + 1})`
+})
+
+const SWEET_LINES = {
+  win: [
+    '赢的不是棋，是你的偏爱。',
+    '这局是你的，下局也是你的。',
+    '五子连珠，不及你牵我的手。',
+    '赢了棋，输给你，都开心。',
+  ],
+  lose: [
+    '输给你，我心甘情愿。',
+    '让你一局，先把爱攒着。',
+    '这局我让的，下局还敢～',
+    '输棋没关系，赢你在身边。',
+  ],
+  draw: [
+    '平分秋色，也是双赢。',
+    '平局最好——谁都不用让谁。',
+    '和棋了？那继续，反正还早。',
+  ],
+  resign: [
+    '主动投降，钓走你这颗心。',
+    '不认输，只是想把温柔让给你。',
+    '认输最甜，因为你可以赢我。',
+  ],
+  offline: ['你掉线了，我等你回来。', '胜负无所谓，回来就好。'],
+}
+
+const SWEET_SELECT = <T,>(arr: readonly T[]): T => arr[Math.floor(Math.random() * arr.length)]!
+
+const resultSweet = computed(() => {
+  const s = state.value
+  if (!s || s.status !== 'over' || s.seat === null) return ''
+  if (s.winner === 0) return SWEET_SELECT(SWEET_LINES.draw)
+  const won = s.winner === s.seat
+  if (s.endReason === 'resign') return SWEET_SELECT(SWEET_LINES.resign)
+  if (s.endReason === 'offline') return SWEET_SELECT(SWEET_LINES.offline)
+  return won ? SWEET_SELECT(SWEET_LINES.win) : SWEET_SELECT(SWEET_LINES.lose)
+})
+
 const result = computed<{ title: string; sub: string } | null>(() => {
   const s = state.value
   if (!s || s.status !== 'over' || s.winner === null || s.seat === null) return null
@@ -344,8 +478,45 @@ async function copyShareLink(): Promise<void> {
 
     <!-- 大厅 -->
     <section v-if="view === 'lobby'" class="screen lobby">
-      <h1>五子棋</h1>
-      <p class="muted tip">两人对弈 · 手机浏览器直接玩</p>
+      <button class="ghost small theme-btn" @click="showThemePicker = true">
+        {{ THEMES.find((t) => t.id === theme)?.icon }} 换换心情
+      </button>
+
+      <div class="hero">
+        <svg class="couple" viewBox="0 0 200 120" aria-hidden="true">
+          <path
+            d="M30 95 C 30 70, 55 62, 62 80 C 68 62, 92 70, 92 95 C 92 108, 78 116, 61 110 C 44 116, 30 108, 30 95 Z"
+            fill="currentColor"
+            opacity="0.9"
+          />
+          <path
+            d="M108 92 C 108 72, 128 64, 134 78 C 139 64, 159 72, 159 92 C 159 103, 145 110, 133 104 C 120 110, 108 103, 108 92 Z"
+            fill="currentColor"
+            opacity="0.65"
+            transform="translate(18 -6) scale(0.9)"
+          />
+          <path
+            d="M78 62 L 90 52 L 102 62 Z"
+            fill="currentColor"
+            opacity="0.85"
+          />
+          <circle cx="72" cy="88" r="3" fill="currentColor" />
+          <circle cx="50" cy="88" r="3" fill="currentColor" />
+        </svg>
+        <h1>双人对弈 · 五子棋</h1>
+        <p class="muted tip">只属于你们两个人的小小棋盘</p>
+      </div>
+
+      <input
+        v-model="nickname"
+        class="nick"
+        type="text"
+        maxlength="12"
+        autocomplete="off"
+        spellcheck="false"
+        placeholder="给对方起个名字吧（可选）"
+        @blur="saveNickname(nickname)"
+      />
 
       <button class="primary big" :disabled="busy || !connected" @click="createRoom">
         创建房间
@@ -385,14 +556,21 @@ async function copyShareLink(): Promise<void> {
           <b class="mono">{{ state!.roomId }}</b>
         </div>
         <div class="who">
-          <span class="chip">你执{{ myColorText }}</span>
+          <span class="chip">
+            {{ myNick }}
+            <i>{{ myColorText }}</i>
+          </span>
           <span
             class="dot"
             :class="{ off: !opponentOnline, wait: !opponentJoined }"
             :title="opponentJoined ? (opponentOnline ? '对手在线' : '对手掉线') : '等待对手'"
           />
+          <span v-if="opponentJoined" class="chip faint">{{ oppNick }}</span>
         </div>
-        <button class="ghost small" @click="copyShareLink">复制邀请链接</button>
+        <button class="ghost small" @click="copyShareLink">邀请</button>
+        <button class="ghost small" :title="'切换主题'" @click="showThemePicker = true">
+          {{ THEMES.find((t) => t.id === theme)?.icon }}
+        </button>
       </header>
 
       <p class="status" :class="{ mine: canPlace }">{{ statusText }}</p>
@@ -403,7 +581,11 @@ async function copyShareLink(): Promise<void> {
         :win-line="state!.winLine"
         :seat="state!.seat"
         :my-turn="canPlace"
+        :theme="theme"
+        :emoji-fx="emojiFx"
+        :heart-fx="heartFx"
         @place="place"
+        @longpress="sendEmoji"
       />
 
       <footer class="actions">
@@ -455,9 +637,26 @@ async function copyShareLink(): Promise<void> {
 
     <!-- 终局 -->
     <div v-else-if="showResultDialog" class="mask">
-      <div class="dialog">
+      <div class="dialog result-card">
+        <div class="result-heart" aria-hidden="true">💗</div>
         <h2>{{ result!.title }}</h2>
-        <p>{{ result!.sub }}</p>
+        <p class="result-line">{{ result!.sub }}</p>
+        <p v-if="endMoveText" class="result-line">{{ endMoveText }}</p>
+        <p class="sweet">{{ resultSweet }}</p>
+        <dl class="result-stats">
+          <div>
+            <dt>第 {{ state!.stats.round }} 局</dt>
+            <dd>
+              {{ state!.black.nickname || '黑棋' }} {{ state!.stats.blackWins }} ·
+              {{ state!.white.nickname || '白棋' }} {{ state!.stats.whiteWins }} ·
+              平 {{ state!.stats.draws }}
+            </dd>
+          </div>
+          <div>
+            <dt>本局 {{ state!.moveCount }} 手</dt>
+            <dd>一起下棋的时光最甜 ✨</dd>
+          </div>
+        </dl>
         <div class="actions">
           <button @click="resultDismissed = true">看棋盘</button>
           <button class="primary" @click="restart(false)">再来一局</button>
@@ -467,6 +666,29 @@ async function copyShareLink(): Promise<void> {
         </div>
       </div>
     </div>
+
+    <!-- 主题选择 -->
+    <div v-if="showThemePicker" class="mask">
+      <div class="dialog">
+        <h2>给棋盘换件衣裳</h2>
+        <p>选一个你们喜欢的氛围</p>
+        <div class="theme-grid">
+          <button
+            v-for="t in THEMES"
+            :key="t.id"
+            class="theme-item"
+            :class="{ active: t.id === theme }"
+            @click="setTheme(t.id)"
+          >
+            <span class="theme-icon">{{ t.icon }}</span>
+            <span>{{ t.name }}</span>
+          </button>
+        </div>
+        <div class="actions">
+          <button class="ghost" @click="showThemePicker = false">取消</button>
+        </div>
+      </div>
+    </div>
   </div>
 </template>
 
@@ -488,17 +710,47 @@ async function copyShareLink(): Promise<void> {
 /* ---------------- 大厅 ---------------- */
 
 .lobby {
+  position: relative;
   justify-content: center;
   align-items: center;
   gap: 14px;
   padding: 24px;
   text-align: center;
+  /* 浪漫渐变背景 */
+  background:
+    radial-gradient(120% 60% at 50% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
+    radial-gradient(90% 50% at 50% 100%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%);
+}
+
+.theme-btn {
+  position: absolute;
+  top: 16px;
+  right: 16px;
+}
+
+.hero {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 6px;
+  color: var(--accent);
+}
+
+.couple {
+  width: 150px;
+  height: auto;
 }
 
 .lobby h1 {
   margin: 0;
-  font-size: 30px;
-  letter-spacing: 0.1em;
+  font-size: 26px;
+  letter-spacing: 0.08em;
+  color: var(--text);
+}
+
+.nick {
+  max-width: 320px;
+  text-align: center;
 }
 
 .tip {
@@ -583,6 +835,7 @@ async function copyShareLink(): Promise<void> {
   align-items: center;
   gap: 8px;
   margin-left: auto;
+  min-width: 0;
 }
 
 .chip {
@@ -590,6 +843,16 @@ async function copyShareLink(): Promise<void> {
   border-radius: 999px;
   background: var(--panel-2);
   font-size: 12px;
+  white-space: nowrap;
+}
+
+.chip i {
+  font-style: normal;
+  opacity: 0.75;
+}
+
+.chip.faint {
+  opacity: 0.85;
 }
 
 .dot {
@@ -643,4 +906,103 @@ async function copyShareLink(): Promise<void> {
   font-size: 13px;
   padding: 10px;
 }
+
+/* ---------------- 终局卡片 ---------------- */
+
+.result-card {
+  max-width: 340px;
+}
+
+.result-heart {
+  font-size: 40px;
+  animation: heartBeat 1.2s ease-in-out infinite;
+}
+
+@keyframes heartBeat {
+  0%,
+  100% {
+    transform: scale(1);
+  }
+  25% {
+    transform: scale(1.15);
+  }
+  40% {
+    transform: scale(0.95);
+  }
+  60% {
+    transform: scale(1.1);
+  }
+}
+
+.result-line {
+  margin: 4px 0;
+}
+
+.sweet {
+  margin: 2px 0 14px;
+  color: var(--accent);
+  font-size: 15px;
+  font-weight: 600;
+}
+
+.result-stats {
+  margin: 0 0 16px;
+  border: 1px solid var(--line);
+  border-radius: 12px;
+  padding: 12px;
+  text-align: left;
+}
+
+.result-stats div {
+  display: flex;
+  justify-content: space-between;
+  gap: 8px;
+  align-items: baseline;
+}
+
+.result-stats dt {
+  color: var(--muted);
+  font-size: 13px;
+}
+
+.result-stats dd {
+  margin: 0;
+  font-size: 13px;
+  text-align: right;
+}
+
+.result-stats div + div {
+  margin-top: 8px;
+  padding-top: 8px;
+  border-top: 1px dashed var(--line);
+}
+
+/* ---------------- 主题选择 ---------------- */
+
+.theme-grid {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 10px;
+  margin-bottom: 16px;
+}
+
+.theme-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 6px;
+  padding: 14px 8px;
+  border: 1px solid var(--line);
+  background: var(--bg);
+  font-size: 13px;
+}
+
+.theme-item.active {
+  border-color: var(--accent);
+  color: var(--accent);
+}
+
+.theme-icon {
+  font-size: 26px;
+}
 </style>

web/src/components/Board.vue

@@ -1,6 +1,9 @@
 <script setup lang="ts">
 import { onBeforeUnmount, onMounted, ref, watch } from 'vue'
 import { BOARD_SIZE, type Cell, type Player } from '../../../shared/protocol'
+import type { ThemeId } from '../theme'
+import { getBoardColors } from '../theme'
+import { feedback } from '../sound'
 
 const props = defineProps<{
   board: Cell[]
@@ -10,14 +13,21 @@ const props = defineProps<{
   seat: Player | null
   /** 轮到自己时为 true */
   myTurn: boolean
+  theme: ThemeId
+  /** 收到对手表情（id 递增触发动画） */
+  emojiFx: { id: number; emoji: string } | null
+  /** 爱心特效触发计数（彩蛋 / 双击） */
+  heartFx: number
 }>()
 
-const emit = defineEmits<{ (e: 'place', x: number, y: number): void }>()
+const emit = defineEmits<{
+  (e: 'place', x: number, y: number): void
+  (e: 'longpress'): void
+}>()
 
 const host = ref<HTMLDivElement | null>(null)
 const canvas = ref<HTMLCanvasElement | null>(null)
 
-/** 逻辑像素边长、格宽、边距（= 半个格宽，使最外线到边缘留白对称） */
 let size = 0
 let cell = 0
 let pad = 0
@@ -30,24 +40,56 @@ const STAR_POINTS: Array<[number, number]> = [
   [7, 7],
 ]
 
-const COLORS = {
-  boardTop: '#e8c088',
-  boardBottom: '#d9a866',
-  grid: 'rgba(60, 35, 10, 0.75)',
-  border: 'rgba(50, 28, 6, 0.95)',
+/* ------------------------------------------------------------------ */
+/* 动画状态（普通对象，配合 rAF 循环，不依赖 Vue 响应式）                 */
+/* ------------------------------------------------------------------ */
+
+interface FX {
+  newStone: { idx: number; t0: number } | null
+  winScan: { idxs: number[]; t0: number } | null
+  hearts: Array<{ x: number; y: number; vx: number; vy: number; size: number; t0: number; kind: 'heart' | 'emoji'; emoji?: string }>
+  dbl: { x: number; y: number; t0: number } | null
 }
 
+const fx: FX = { newStone: null, winScan: null, hearts: [], dbl: null }
+
+let rafId = 0
+
+const easeOutBack = (t: number): number => {
+  const c1 = 1.70158
+  const c3 = c1 + 1
+  return 1 + c3 * Math.pow(t - 1, 3) + c1 * Math.pow(t - 1, 2)
+}
+
+function colors() {
+  return getBoardColors(props.theme)
+}
+
+/** 主题强调色（UI accent 与棋盘特效共用），按主题缓存 */
+let accentCache = '#ef4444'
+let accentTheme: ThemeId | '' = ''
+function accent(): string {
+  if (accentTheme !== props.theme) {
+    accentTheme = props.theme
+    accentCache =
+      getComputedStyle(document.documentElement).getPropertyValue('--accent').trim() || '#ef4444'
+  }
+  return accentCache
+}
+
+/* ------------------------------------------------------------------ */
+/* 布局与绘制                                                          */
+/* ------------------------------------------------------------------ */
+
 function ctx2d(): CanvasRenderingContext2D | null {
   return canvas.value?.getContext('2d') ?? null
 }
 
-/** 按容器尺寸与 DPR 重建画布，再整体重绘 */
 function layout(): void {
   const el = host.value
   const c = canvas.value
   if (!el || !c) return
 
-  // 棋盘为正方形：宽度受限，且给底部操作区留出空间
   const availW = el.clientWidth || window.innerWidth - 32
   const availH = window.innerHeight * 0.6
   size = Math.floor(Math.min(availW, availH))
@@ -69,18 +111,21 @@ function layout(): void {
 function draw(): void {
   const g = ctx2d()
   if (!g || size === 0) return
+  const t = performance.now()
+  const col = colors()
+  const a = accent()
 
   g.clearRect(0, 0, size, size)
 
-  // 木纹底色
+  // 棋盘底色
   const bg = g.createLinearGradient(0, 0, size, size)
-  bg.addColorStop(0, COLORS.boardTop)
-  bg.addColorStop(1, COLORS.boardBottom)
+  bg.addColorStop(0, col.board.top)
+  bg.addColorStop(1, col.board.bottom)
   g.fillStyle = bg
   g.fillRect(0, 0, size, size)
 
   // 网格
-  g.strokeStyle = COLORS.grid
+  g.strokeStyle = col.board.grid
   g.lineWidth = Math.max(1, cell * 0.02)
   g.beginPath()
   for (let i = 0; i < BOARD_SIZE; i++) {
@@ -92,71 +137,138 @@ function draw(): void {
   }
   g.stroke()
 
-  // 外框加粗
-  g.strokeStyle = COLORS.border
+  // 外框
+  g.strokeStyle = col.board.border
   g.lineWidth = Math.max(1.5, cell * 0.05)
   g.strokeRect(pad, pad, size - cell, size - cell)
 
   // 星位
-  g.fillStyle = COLORS.border
+  g.fillStyle = col.board.star
   for (const [x, y] of STAR_POINTS) {
     g.beginPath()
     g.arc(pad + x * cell, pad + y * cell, cell * 0.09, 0, Math.PI * 2)
     g.fill()
   }
 
-  // 棋子
   const r = cell * 0.44
+
+  // 棋子
   for (let i = 0; i < props.board.length; i++) {
     const v = props.board[i]
     if (v === 0) continue
-    const x = i % BOARD_SIZE
-    const y = Math.floor(i / BOARD_SIZE)
-    drawStone(g, pad + x * cell, pad + y * cell, r, v)
+    const x = pad + (i % BOARD_SIZE) * cell
+    const y = pad + Math.floor(i / BOARD_SIZE) * cell
+
+    // 新落子弹跳动画
+    if (fx.newStone && fx.newStone.idx === i) {
+      const p = Math.min(1, (t - fx.newStone.t0) / 220)
+      const scale = easeOutBack(p)
+      drawStone(g, x, y, r * scale, v)
+      continue
+    }
+    drawStone(g, x, y, r, v)
   }
 
-  // 最后一手标记（与胜利高亮不重复绘制）
+  // 最后一手呼吸光晕
   if (props.lastMove !== null && !props.winLine) {
-    const x = props.lastMove % BOARD_SIZE
-    const y = Math.floor(props.lastMove / BOARD_SIZE)
+    const lx = pad + (props.lastMove % BOARD_SIZE) * cell
+    const ly = pad + Math.floor(props.lastMove / BOARD_SIZE) * cell
     const v = props.board[props.lastMove]
-    g.fillStyle = v === 1 ? '#f9fafb' : '#111827'
+    const pulse = 0.5 + 0.5 * Math.sin(t / 340)
+    g.fillStyle = v === 1 ? 'rgba(249,250,251,0.7)' : 'rgba(17,24,39,0.7)'
     g.beginPath()
-    g.arc(pad + x * cell, pad + y * cell, cell * 0.1, 0, Math.PI * 2)
+    g.arc(lx, ly, cell * (0.12 + 0.05 * pulse), 0, Math.PI * 2)
     g.fill()
   }
 
-  // 五连高亮
+  // 五连：静态高亮 + 扫光动画
   if (props.winLine?.length) {
-    g.strokeStyle = '#ef4444'
+    const idxs = props.winLine
+    g.strokeStyle = a
     g.lineWidth = Math.max(2, cell * 0.07)
-    for (const i of props.winLine) {
-      const x = i % BOARD_SIZE
-      const y = Math.floor(i / BOARD_SIZE)
+    for (const i of idxs) {
+      const x = pad + (i % BOARD_SIZE) * cell
+      const y = pad + Math.floor(i / BOARD_SIZE) * cell
       g.beginPath()
-      g.arc(pad + x * cell, pad + y * cell, r + cell * 0.12, 0, Math.PI * 2)
+      g.arc(x, y, r + cell * 0.12, 0, Math.PI * 2)
       g.stroke()
     }
+    if (fx.winScan) {
+      const p = Math.min(1, (t - fx.winScan.t0) / 900)
+      const first = idxs[0]!
+      const lastIdx = idxs[idxs.length - 1]!
+      const fx0 = pad + (first % BOARD_SIZE) * cell
+      const fy0 = pad + Math.floor(first / BOARD_SIZE) * cell
+      const fx1 = pad + (lastIdx % BOARD_SIZE) * cell
+      const fy1 = pad + Math.floor(lastIdx / BOARD_SIZE) * cell
+      const sx = fx0 + (fx1 - fx0) * p
+      const sy = fy0 + (fy1 - fy0) * p
+      const alpha = 0.75 * Math.sin(Math.min(1, p * 2) * Math.PI)
+      g.save()
+      g.shadowColor = a
+      g.shadowBlur = 22
+      g.globalAlpha = alpha
+      g.fillStyle = a
+      g.beginPath()
+      g.arc(sx, sy, r * 1.1, 0, Math.PI * 2)
+      g.fill()
+      g.restore()
     }
   }
 
+  // 双击小爱心脉冲
+  if (fx.dbl) {
+    const p = Math.min(1, (t - fx.dbl.t0) / 700)
+    const alpha = 1 - p
+    const s = (0.5 + p * 1.4) * cell * 0.9
+    g.save()
+    g.globalAlpha = alpha
+    fillHeart(g, fx.dbl.x, fx.dbl.y, s, a)
+    g.restore()
+  }
+
+  // 爱心雨 / 表情粒子
+  drawHearts(g, t)
+}
+
+function drawHearts(g: CanvasRenderingContext2D, t: number): void {
+  for (const h of fx.hearts) {
+    const age = t - h.t0
+    const life = 1500
+    if (age > life) continue
+    const p = age / life
+    const alpha = 1 - p
+    g.save()
+    g.globalAlpha = alpha
+    g.font = `${h.size + p * 8}px serif`
+    g.textAlign = 'center'
+    g.textBaseline = 'middle'
+    g.fillText(h.emoji ?? '❤️', h.x + h.vx * p * 90, h.y + h.vy * p * 120 + p * p * 40)
+    g.restore()
+  }
+}
+
+function fillHeart(g: CanvasRenderingContext2D, cx: number, cy: number, s: number, color: string): void {
+  g.fillStyle = color
+  g.beginPath()
+  g.moveTo(cx, cy + s * 0.32)
+  g.bezierCurveTo(cx - s, cy - s * 0.5, cx - s * 0.55, cy - s, cx, cy - s * 0.22)
+  g.bezierCurveTo(cx + s * 0.55, cy - s, cx + s, cy - s * 0.5, cx, cy + s * 0.32)
+  g.closePath()
+  g.fill()
+}
+
 function drawStone(g: CanvasRenderingContext2D, cx: number, cy: number, r: number, v: Cell): void {
-  // 阴影
   g.save()
   g.shadowColor = 'rgba(0, 0, 0, 0.35)'
   g.shadowBlur = r * 0.35
   g.shadowOffsetY = r * 0.12
 
+  const stops = v === 1 ? colors().stone.black : colors().stone.white
   const grad = g.createRadialGradient(cx - r * 0.35, cy - r * 0.35, r * 0.1, cx, cy, r)
-  if (v === 1) {
-    grad.addColorStop(0, '#6b7280')
-    grad.addColorStop(0.5, '#1f2937')
-    grad.addColorStop(1, '#030712')
-  } else {
-    grad.addColorStop(0, '#ffffff')
-    grad.addColorStop(0.65, '#f3f4f6')
-    grad.addColorStop(1, '#b9bec7')
-  }
+  grad.addColorStop(0, stops[0])
+  grad.addColorStop(0.55, stops[1])
+  grad.addColorStop(1, stops[2])
   g.fillStyle = grad
   g.beginPath()
   g.arc(cx, cy, r, 0, Math.PI * 2)
@@ -164,19 +276,87 @@ function drawStone(g: CanvasRenderingContext2D, cx: number, cy: number, r: numbe
   g.restore()
 }
 
-/** 触摸/点击 → 最近的交叉点，带半格容差，避免误落 */
-function onPick(ev: PointerEvent): void {
-  const c = canvas.value
-  if (!c || props.seat === null || !props.myTurn) return
+function isActive(): boolean {
+  if (fx.newStone) return true
+  if (fx.winScan && performance.now() - fx.winScan.t0 < 1100) return true
+  if (fx.dbl && performance.now() - fx.dbl.t0 < 800) return true
+  if (fx.hearts.length > 0) return true
+  return false
+}
 
-  const rect = c.getBoundingClientRect()
-  const px = ev.clientX - rect.left
-  const py = ev.clientY - rect.top
+function frame(): void {
+  draw()
+  if (isActive()) rafId = requestAnimationFrame(frame)
+}
 
+function startAnim(): void {
+  cancelAnimationFrame(rafId)
+  rafId = requestAnimationFrame(frame)
+}
+
+/* ------------------------------------------------------------------ */
+/* 触摸交互：短按落子 / 长按发爱心 / 双击彩蛋                            */
+/* ------------------------------------------------------------------ */
+
+let downAt = { x: 0, y: 0, t: 0 }
+let longpressTimer: number | undefined
+let held = false
+let lastUp = { t: 0, x: 0, y: 0 }
+
+function canvasPos(ev: PointerEvent): [number, number] {
+  const rect = canvas.value!.getBoundingClientRect()
+  return [ev.clientX - rect.left, ev.clientY - rect.top]
+}
+
+function onDown(ev: PointerEvent): void {
+  const [px, py] = canvasPos(ev)
+  downAt = { x: px, y: py, t: performance.now() }
+  held = false
+  window.clearTimeout(longpressTimer)
+  longpressTimer = window.setTimeout(() => {
+    held = true
+    emit('longpress')
+  }, 450)
+}
+
+function onMove(ev: PointerEvent): void {
+  if (longpressTimer === undefined) return
+  const [px, py] = canvasPos(ev)
+  if (Math.hypot(px - downAt.x, py - downAt.y) > 14) {
+    window.clearTimeout(longpressTimer)
+    longpressTimer = undefined
+  }
+}
+
+function onUp(ev: PointerEvent): void {
+  window.clearTimeout(longpressTimer)
+  longpressTimer = undefined
+  const [px, py] = canvasPos(ev)
+  const now = performance.now()
+
+  const isDbl = now - lastUp.t < 350 && Math.hypot(px - lastUp.x, py - lastUp.y) < 1.5 * cell
+  lastUp = { t: now, x: px, y: py }
+
+  if (held) {
+    held = false
+    return
+  }
+
+  // 双击彩蛋：棋盘上点燃一颗小爱心（不落子）
+  if (isDbl) {
+    fx.dbl = { x: px, y: py, t0: now }
+    burstHearts(px, py, 6, '💖')
+    startAnim()
+    feedback('heart')
+    return
+  }
+
+  // 正常落子（带半格容差）
+  if (props.seat === null || !props.myTurn) return
+  const rect = canvas.value!.getBoundingClientRect()
   const x = Math.round((px - pad) / cell)
   const y = Math.round((py - pad) / cell)
   if (x < 0 || x >= BOARD_SIZE || y < 0 || y >= BOARD_SIZE) return
-
   const dx = px - (pad + x * cell)
   const dy = py - (pad + y * cell)
   if (Math.hypot(dx, dy) > cell * 0.55) return
@@ -185,6 +365,93 @@ function onPick(ev: PointerEvent): void {
   emit('place', x, y)
 }
 
+function burstHearts(x: number, y: number, count: number, emoji = '❤️'): void {
+  const t = performance.now()
+  for (let i = 0; i < count; i++) {
+    const ang = Math.random() * Math.PI * 2
+    const speed = 0.5 + Math.random() * 0.9
+    fx.hearts.push({
+      x,
+      y,
+      vx: Math.cos(ang) * speed,
+      vy: Math.sin(ang) * speed - 0.6,
+      size: 10 + Math.random() * 10,
+      t0: t,
+      kind: 'heart',
+      emoji,
+    })
+  }
+  // 回收过期粒子
+  fx.hearts = fx.hearts.filter((h) => t - h.t0 < 1500)
+}
+
+/* ------------------------------------------------------------------ */
+/* 响应式触发                                                          */
+/* ------------------------------------------------------------------ */
+
+// 落子（含对方落子）→ 弹跳动画 + 音效
+watch(
+  () => props.board,
+  (next, prev) => {
+    if (!prev) return
+    for (let i = 0; i < next.length; i++) {
+      if (prev[i] !== next[i] && next[i] !== 0) {
+        fx.newStone = { idx: i, t0: performance.now() }
+        if (props.seat !== null) feedback('place')
+        break
+      }
+    }
+    startAnim()
+  },
+)
+
+// 五连 → 扫光动画 + 胜利音效
+watch(
+  () => props.winLine,
+  (line) => {
+    if (line?.length) {
+      fx.winScan = { idxs: line, t0: performance.now() }
+      startAnim()
+      if (props.seat !== null) feedback('win')
+    }
+  },
+)
+
+// 收到对手表情 → 上浮动画
+watch(
+  () => props.emojiFx,
+  (fxIn) => {
+    if (!fxIn) return
+    const t = performance.now()
+    for (let i = 0; i < 5; i++) {
+      fx.hearts.push({
+        x: size * (0.3 + Math.random() * 0.4),
+        y: size * (0.3 + Math.random() * 0.2),
+        vx: (Math.random() - 0.5) * 1.2,
+        vy: -1.2 - Math.random() * 0.8,
+        size: 16 + Math.random() * 12,
+        t0: t,
+        kind: 'emoji',
+        emoji: fxIn.emoji,
+      })
+    }
+    startAnim()
+    if (props.seat !== null) feedback('emoji')
+  },
+)
+
+// 爱心特效（彩蛋触发：撒一大片）
+watch(
+  () => props.heartFx,
+  (n, prev) => {
+    if (n !== undefined && prev !== undefined && n > prev && n !== 0) {
+      burstHearts(size / 2, size * 0.4, 18)
+      startAnim()
+      if (props.seat !== null) feedback('heart')
+    }
+  },
+)
+
 let ro: ResizeObserver | null = null
 
 onMounted(() => {
@@ -197,15 +464,28 @@ onMounted(() => {
 onBeforeUnmount(() => {
   ro?.disconnect()
   window.removeEventListener('orientationchange', layout)
+  cancelAnimationFrame(rafId)
+  window.clearTimeout(longpressTimer)
 })
 
-// 棋盘数据变化即重绘（Canvas 不受 Vue 响应式影响，需手动触发）
-watch(() => [props.board, props.lastMove, props.winLine], draw, { deep: true })
+// 主题切换也会改变绘制画风
+watch(
+  () => props.theme,
+  () => draw(),
+)
 </script>
 
 <template>
   <div ref="host" class="board-host">
-    <canvas ref="canvas" class="board-canvas" @pointerdown.prevent="onPick" />
+    <canvas
+      ref="canvas"
+      class="board-canvas"
+      @pointerdown.prevent="onDown"
+      @pointermove.prevent="onMove"
+      @pointerup.prevent="onUp"
+      @pointercancel="onUp"
+      @contextmenu.prevent
+    />
   </div>
 </template>
 
@@ -222,7 +502,9 @@ watch(() => [props.board, props.lastMove, props.winLine], draw, { deep: true })
 .board-canvas {
   border-radius: 8px;
   box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
-  /* 交给脚本处理指针事件，禁止浏览器手势介入 */
   touch-action: none;
+  -webkit-user-select: none;
+  user-select: none;
+  -webkit-touch-callout: none;
 }
 </style>

web/src/sound.ts

@@ -0,0 +1,89 @@
+/**
+ * 无外部资源的音效与触觉反馈。
+ * Web Audio 合成（首次用户手势解锁 AudioContext），配合手机振动。
+ */
+import type { SoundKind } from '../../shared/protocol'
+
+/* --------------------- Web Audio 合成 --------------------- */
+
+let ctx: AudioContext | null = null
+
+function ac(): AudioContext | null {
+  if (typeof window === 'undefined') return null
+  const AC = window.AudioContext ?? (window as unknown as { webkitAudioContext?: typeof AudioContext }).webkitAudioContext
+  if (!AC) return null
+  if (!ctx) ctx = new AC()
+  if (ctx.state === 'suspended') void ctx.resume()
+  return ctx
+}
+
+function tone(
+  freq: number,
+  opts: { dur?: number; type?: OscillatorType; vol?: number; delay?: number; slideTo?: number } = {},
+): void {
+  const c = ac()
+  if (!c) return
+  const { dur = 0.1, type = 'sine', vol = 0.12, delay = 0, slideTo } = opts
+  const t0 = c.currentTime + delay
+  const osc = c.createOscillator()
+  const gain = c.createGain()
+  osc.type = type
+  osc.frequency.setValueAtTime(freq, t0)
+  if (slideTo && slideTo > 0) osc.frequency.exponentialRampToValueAtTime(slideTo, t0 + dur)
+  gain.gain.setValueAtTime(0, t0)
+  gain.gain.linearRampToValueAtTime(vol, t0 + 0.012)
+  gain.gain.exponentialRampToValueAtTime(0.0001, t0 + dur)
+  osc.connect(gain)
+  gain.connect(c.destination)
+  osc.start(t0)
+  osc.stop(t0 + dur + 0.03)
+}
+
+const SCENES: Record<SoundKind, () => void> = {
+  place: () => tone(210, { dur: 0.09, type: 'triangle', vol: 0.2 }),
+  win: () => {
+    tone(523.25, { dur: 0.14, vol: 0.14 })
+    tone(659.25, { dur: 0.14, vol: 0.14, delay: 0.11 })
+    tone(783.99, { dur: 0.16, vol: 0.14, delay: 0.22 })
+    tone(1046.5, { dur: 0.28, vol: 0.16, delay: 0.33 })
+  },
+  undo: () => tone(300, { dur: 0.16, type: 'triangle', vol: 0.14, slideTo: 150 }),
+  emoji: () => {
+    tone(880, { dur: 0.1, vol: 0.1 })
+    tone(1318.5, { dur: 0.14, vol: 0.1, delay: 0.07 })
+  },
+  heart: () => {
+    tone(587.33, { dur: 0.16, vol: 0.16 })
+    tone(880, { dur: 0.16, vol: 0.14, delay: 0.14 })
+    tone(1174.66, { dur: 0.3, vol: 0.14, delay: 0.28 })
+  },
+}
+
+export function playSound(kind: SoundKind): void {
+  SCENES[kind]?.()
+}
+
+/* --------------------- 触觉反馈 --------------------- */
+
+const VIBRATION: Record<SoundKind, number | number[]> = {
+  place: 12,
+  win: [40, 30, 40],
+  undo: 20,
+  emoji: 15,
+  heart: [50, 40, 60],
+}
+
+export function vibrate(kind: SoundKind): void {
+  if (typeof navigator === 'undefined' || !('vibrate' in navigator)) return
+  try {
+    navigator.vibrate?.(VIBRATION[kind] as number)
+  } catch {
+    /* 部分浏览器抛异常，忽略 */
+  }
+}
+
+/** 落子/表情等线程感反馈合一：音效 + 震动 */
+export function feedback(kind: SoundKind): void {
+  playSound(kind)
+  vibrate(kind)
+}

web/src/style.css

@@ -63,7 +63,7 @@ button:disabled {
 
 button.primary {
   background: var(--accent);
-  color: #06210f;
+  color: var(--on-accent, #06210f);
   font-weight: 600;
 }
 

web/src/theme.ts

@@ -0,0 +1,135 @@
+/**
+ * 主题系统：四套主题（雅致木纹 / 心动粉 / 暗夜紫 / 水墨江南）。
+ * 一套数据源同时驱动 CSS 变量（UI 底色）与 Canvas 棋盘配色。
+ */
+
+export type ThemeId = 'classic' | 'pink' | 'night' | 'ink'
+
+export interface BoardColors {
+  board: { top: string; bottom: string; grid: string; border: string; star: string }
+  stone: {
+    black: [string, string, string]
+    white: [string, string, string]
+  }
+}
+
+export interface ThemeDef {
+  id: ThemeId
+  name: string
+  icon: string
+  /** 注入全局 CSS 变量（UI 主题色） */
+  css: Record<string, string>
+  board: BoardColors
+}
+
+export const THEMES: ThemeDef[] = [
+  {
+    id: 'classic',
+    name: '雅致木纹',
+    icon: '🪵',
+    css: {
+      '--bg': '#111827',
+      '--panel': '#1f2937',
+      '--panel-2': '#374151',
+      '--accent': '#22c55e',
+      '--accent-dim': '#16a34a',
+      '--on-accent': '#06210f',
+    },
+    board: {
+      board: { top: '#e8c088', bottom: '#d9a866', grid: 'rgba(60,35,10,0.75)', border: 'rgba(50,28,6,0.95)', star: 'rgba(50,28,6,0.95)' },
+      stone: {
+        black: ['#6b7280', '#1f2937', '#030712'],
+        white: ['#ffffff', '#f3f4f6', '#b9bec7'],
+      },
+    },
+  },
+  {
+    id: 'pink',
+    name: '心动粉',
+    icon: '💗',
+    css: {
+      '--bg': '#25131f',
+      '--panel': '#3c2433',
+      '--panel-2': '#552a43',
+      '--accent': '#f472b6',
+      '--accent-dim': '#ec4899',
+      '--on-accent': '#4a0d2e',
+    },
+    board: {
+      board: { top: '#fadcf0', bottom: '#f4c3e0', grid: 'rgba(190,90,150,0.55)', border: 'rgba(160,60,120,0.85)', star: 'rgba(160,60,120,0.85)' },
+      stone: {
+        black: ['#c084fc', '#a855f7', '#581c87'],
+        white: ['#ffffff', '#fbe4f3', '#f3a8c9'],
+      },
+    },
+  },
+  {
+    id: 'night',
+    name: '暗夜紫',
+    icon: '🌙',
+    css: {
+      '--bg': '#0b0b1a',
+      '--panel': '#151531',
+      '--panel-2': '#232350',
+      '--accent': '#a78bfa',
+      '--accent-dim': '#8b5cf6',
+      '--on-accent': '#1e1b4b',
+    },
+    board: {
+      board: { top: '#28204f', bottom: '#181236', grid: 'rgba(167,139,250,0.4)', border: 'rgba(139,92,246,0.75)', star: 'rgba(167,139,250,0.9)' },
+      stone: {
+        black: ['#c4b5fd', '#7c3aed', '#1e1b4b'],
+        white: ['#ffffff', '#e0e7ff', '#a5b4fc'],
+      },
+    },
+  },
+  {
+    id: 'ink',
+    name: '水墨江南',
+    icon: '🏮',
+    css: {
+      '--bg': '#101820',
+      '--panel': '#1b2832',
+      '--panel-2': '#2a3a45',
+      '--accent': '#5eead4',
+      '--accent-dim': '#2dd4bf',
+      '--on-accent': '#083344',
+    },
+    board: {
+      board: { top: '#f4f0e4', bottom: '#e6ddc6', grid: 'rgba(40,40,40,0.55)', border: 'rgba(25,25,25,0.85)', star: 'rgba(25,25,25,0.85)' },
+      stone: {
+        black: ['#4b5563', '#111827', '#000000'],
+        white: ['#ffffff', '#f8fafc', '#cbd5e1'],
+      },
+    },
+  },
+]
+
+const THEME_KEY = 'wuziqi.theme'
+
+export function applyTheme(id: ThemeId): void {
+  const def = THEMES.find((t) => t.id === id) ?? THEMES[0]!
+  const root = document.documentElement
+  root.dataset.theme = id
+  for (const [k, v] of Object.entries(def.css)) {
+    root.style.setProperty(k, v)
+  }
+  try {
+    localStorage.setItem(THEME_KEY, id)
+  } catch {
+    /* 忽略隐私模式 */
+  }
+}
+
+export function loadTheme(): ThemeId {
+  try {
+    const saved = localStorage.getItem(THEME_KEY) as ThemeId | null
+    return saved && THEMES.some((t) => t.id === saved) ? saved : 'classic'
+  } catch {
+    return 'classic'
+  }
+}
+
+export function getBoardColors(id: ThemeId): BoardColors {
+  return (THEMES.find((t) => t.id === id) ?? THEMES[0]!).board
+}