first commit

README.md

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+# 梅子的成语填字
+
+A Chinese idiom (成语) fill-in-the-blank game made by Mingda for his mom.
+
+## How to Play
+
+Open `index.html` in a browser. No server or installation needed.
+
+Choose a difficulty (简单 / 中等 / 困难), then fill in the missing character(s) of each idiom by tapping the options. Complete 5 questions per round.
+
+## Features
+
+- Three difficulty levels (1, 2, or 3 blanks)
+- Combo streak tracking
+- Wrong answer notebook (错题本) for review
+- Daily check-in calendar
+- Sound effects
+- Large font mode
+
+## Files
+
+| File | Description |
+|------|-------------|
+| `index.html` | Main page |
+| `style.css` | Styles |
+| `data.js` | Idiom database (~7,000 entries) |
+| `app.js` | Game logic |

app.js

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+const DAILY_GOAL = 5,
+  ROUND_SIZE = 5;
+
+// === AUDIO with mobile unlock ===
+var AudioCtx = window.AudioContext || window.webkitAudioContext;
+var audioCtx = null,
+  audioUnlocked = false;
+function unlockAudio() {
+  if (audioUnlocked || !audioCtx) return;
+  var buf = audioCtx.createBuffer(1, 1, 22050);
+  var src = audioCtx.createBufferSource();
+  src.buffer = buf;
+  src.connect(audioCtx.destination);
+  src.start(0);
+  if (audioCtx.state === "suspended") audioCtx.resume();
+  audioUnlocked = true;
+}
+function ensureAudio() {
+  if (!audioCtx) audioCtx = new AudioCtx();
+  unlockAudio();
+}
+document.addEventListener(
+  "touchstart",
+  function () {
+    ensureAudio();
+  },
+  { once: true },
+);
+document.addEventListener(
+  "click",
+  function () {
+    ensureAudio();
+  },
+  { once: true },
+);
+function playTone(f, d, t, v) {
+  if (!state.sound) return;
+  t = t || "sine";
+  v = v || 0.3;
+  try {
+    ensureAudio();
+    var o = audioCtx.createOscillator(),
+      g = audioCtx.createGain();
+    o.type = t;
+    o.frequency.value = f;
+    g.gain.setValueAtTime(v, audioCtx.currentTime);
+    g.gain.exponentialRampToValueAtTime(0.001, audioCtx.currentTime + d);
+    o.connect(g);
+    g.connect(audioCtx.destination);
+    o.start();
+    o.stop(audioCtx.currentTime + d);
+  } catch (e) {}
+}
+function sfxCorrect() {
+  playTone(523, 0.12);
+  setTimeout(function () {
+    playTone(659, 0.12);
+  }, 80);
+  setTimeout(function () {
+    playTone(784, 0.2);
+  }, 160);
+}
+function sfxWrong() {
+  playTone(200, 0.15, "square", 0.2);
+  setTimeout(function () {
+    playTone(160, 0.2, "square", 0.2);
+  }, 120);
+}
+function sfxClick() {
+  playTone(440, 0.06, "sine", 0.15);
+}
+function sfxCombo() {
+  playTone(523, 0.1);
+  setTimeout(function () {
+    playTone(659, 0.1);
+  }, 60);
+  setTimeout(function () {
+    playTone(784, 0.1);
+  }, 120);
+  setTimeout(function () {
+    playTone(1047, 0.25);
+  }, 180);
+}
+function sfxComplete() {
+  [523, 587, 659, 784, 1047].forEach(function (n, i) {
+    setTimeout(function () {
+      playTone(n, 0.2, "sine", 0.25);
+    }, i * 100);
+  });
+}
+
+// === STATE ===
+const APP_VERSION = 2;
+var state = {
+  sound: true,
+  bigFont: false,
+  difficulty: 1,
+  score: 0,
+  combo: 0,
+  maxCombo: 0,
+  todayCount: 0,
+  totalCount: 0,
+  streak: 0,
+  checkinDays: [],
+  round: 0,
+  roundResults: [],
+  currentIdiom: null,
+  blankIndices: [],
+  selectedBlank: -1,
+  filledChars: {},
+  hintUsed: false,
+  answered: false,
+  usedIdiomIndices: {},
+  wrongBook: [],
+  reviewMode: false,
+};
+var currentOptions = [];
+function getToday() {
+  return new Date().toISOString().slice(0, 10);
+}
+function saveState() {
+  localStorage.setItem(
+    "chengyu_s",
+    JSON.stringify({
+      sound: state.sound,
+      bigFont: state.bigFont,
+      difficulty: state.difficulty,
+      totalCount: state.totalCount,
+      streak: state.streak,
+      checkinDays: state.checkinDays,
+      maxCombo: state.maxCombo,
+    }),
+  );
+}
+function saveWrongBook() {
+  localStorage.setItem("chengyu_wb", JSON.stringify(state.wrongBook));
+}
+function loadWrongBook() {
+  try {
+    state.wrongBook = JSON.parse(localStorage.getItem("chengyu_wb") || "[]");
+  } catch (e) {
+    state.wrongBook = [];
+  }
+}
+function addToWrongBook(idiom) {
+  var ex = null;
+  for (var i = 0; i < state.wrongBook.length; i++) {
+    if (state.wrongBook[i].w === idiom.w) {
+      ex = state.wrongBook[i];
+      break;
+    }
+  }
+  if (ex) {
+    ex.count++;
+    ex.last = getToday();
+  } else {
+    state.wrongBook.push({
+      w: idiom.w,
+      p: idiom.p,
+      e: idiom.e,
+      l: idiom.l,
+      count: 1,
+      last: getToday(),
+    });
+  }
+  saveWrongBook();
+  renderWbBadge();
+}
+function removeFromWrongBook(w) {
+  state.wrongBook = state.wrongBook.filter(function (x) {
+    return x.w !== w;
+  });
+  saveWrongBook();
+  renderWbBadge();
+}
+function renderWbBadge() {
+  var b = document.getElementById("wbBadge");
+  if (!b) return;
+  b.textContent = state.wrongBook.length;
+  b.className = "wb-badge" + (state.wrongBook.length === 0 ? " empty" : "");
+}
+function showWrongBookModal() {
+  document.getElementById("wrongBookModal").classList.add("show");
+  document.getElementById("wbCount").textContent = state.wrongBook.length;
+  var list = document.getElementById("wbList");
+  var startBtn = document.getElementById("btnStartReview");
+  if (!state.wrongBook.length) {
+    list.innerHTML = '<div class="wb-empty">🎉 暂无错题，梅子很棒！</div>';
+    startBtn.style.display = "none";
+  } else {
+    startBtn.style.display = "";
+    list.innerHTML = "";
+    var sorted = state.wrongBook.slice().sort(function (a, b) {
+      return b.count - a.count;
+    });
+    sorted.forEach(function (item) {
+      var d = document.createElement("div");
+      d.className = "wb-item";
+      d.innerHTML =
+        '<div class="wb-word">' +
+        item.w +
+        '</div><div class="wb-pinyin">' +
+        item.p +
+        '</div><div class="wb-explain">' +
+        item.e +
+        '</div><div class="wb-meta">错误 ' +
+        item.count +
+        " 次</div>";
+      list.appendChild(d);
+    });
+  }
+}
+function startReview() {
+  document.getElementById("wrongBookModal").classList.remove("show");
+  state.reviewMode = true;
+  state.usedIdiomIndices = {};
+  startRound();
+}
+function checkWhatsNew() {
+  var v = parseInt(localStorage.getItem("chengyu_v") || "0");
+  if (v < APP_VERSION) {
+    document.getElementById("whatsNewModal").classList.add("show");
+  }
+}
+function saveTodayState() {
+  localStorage.setItem(
+    "chengyu_t",
+    JSON.stringify({
+      d: getToday(),
+      s: state.score,
+      c: state.todayCount,
+      cb: state.combo,
+    }),
+  );
+}
+function loadState() {
+  try {
+    var s = JSON.parse(localStorage.getItem("chengyu_s") || "{}");
+    state.sound = s.sound !== undefined ? s.sound : true;
+    state.bigFont = s.bigFont || false;
+    state.totalCount = s.totalCount || 0;
+    state.streak = s.streak || 0;
+    state.checkinDays = s.checkinDays || [];
+    state.maxCombo = s.maxCombo || 0;
+    state.difficulty = s.difficulty || 1;
+    var t = JSON.parse(localStorage.getItem("chengyu_t") || "{}");
+    if (t.d === getToday()) {
+      state.score = t.s || 0;
+      state.todayCount = t.c || 0;
+      state.combo = t.cb || 0;
+    }
+    updateStreak();
+  } catch (e) {}
+}
+function updateStreak() {
+  var today = getToday(),
+    days = state.checkinDays;
+  if (!days.length) {
+    state.streak = 0;
+    return;
+  }
+  var sorted = days.slice().sort().reverse();
+  var streak = 0,
+    cd = new Date(today + "T00:00:00");
+  if (sorted[0] === today) {
+    for (var i = 0; i < sorted.length; i++) {
+      var e = new Date(cd);
+      e.setDate(e.getDate() - i);
+      if (sorted[i] === e.toISOString().slice(0, 10)) streak++;
+      else break;
+    }
+  } else {
+    var y = new Date(cd);
+    y.setDate(y.getDate() - 1);
+    var ys = y.toISOString().slice(0, 10);
+    if (sorted[0] === ys) {
+      for (var i = 0; i < sorted.length; i++) {
+        var e = new Date(y);
+        e.setDate(e.getDate() - i);
+        if (sorted[i] === e.toISOString().slice(0, 10)) streak++;
+        else break;
+      }
+    }
+  }
+  state.streak = streak;
+}
+function tryCheckin() {
+  var t = getToday();
+  if (state.todayCount >= DAILY_GOAL && state.checkinDays.indexOf(t) === -1) {
+    state.checkinDays.push(t);
+    if (state.checkinDays.length > 60)
+      state.checkinDays = state.checkinDays.slice(-60);
+    updateStreak();
+    saveState();
+    return true;
+  }
+  return false;
+}
+
+// === GAME LOGIC ===
+function pickIdiom() {
+  if (state.reviewMode && state.wrongBook.length) {
+    var pool = state.wrongBook.filter(function (x) {
+      return !state.usedIdiomIndices[x.w];
+    });
+    if (!pool.length) {
+      state.usedIdiomIndices = {};
+      pool = state.wrongBook.slice();
+    }
+    var item = pool[Math.floor(Math.random() * pool.length)];
+    state.usedIdiomIndices[item.w] = 1;
+    return item;
+  }
+  var pool = IDIOMS.filter(function (i) {
+    return i.l <= state.difficulty;
+  });
+  var a = 0,
+    idx;
+  do {
+    idx = Math.floor(Math.random() * pool.length);
+    a++;
+  } while (state.usedIdiomIndices[pool[idx].w] && a < 100);
+  state.usedIdiomIndices[pool[idx].w] = 1;
+  return pool[idx];
+}
+function generateBlanks(w, d) {
+  var n = d === 1 ? 1 : d === 2 ? 2 : 3;
+  var idx = [0, 1, 2, 3];
+  for (var i = 3; i > 0; i--) {
+    var j = Math.floor(Math.random() * (i + 1));
+    var tmp = idx[i];
+    idx[i] = idx[j];
+    idx[j] = tmp;
+  }
+  return idx.slice(0, n).sort();
+}
+function generateOptions(idiom, blanks) {
+  var correct = blanks.map(function (i) {
+    return idiom.w[i];
+  });
+  var decoyN = blanks.length <= 1 ? 3 : blanks.length === 2 ? 4 : 5;
+  var allC = {};
+  IDIOMS.forEach(function (it) {
+    for (var i = 0; i < it.w.length; i++) allC[it.w[i]] = 1;
+  });
+  var pool = Object.keys(allC).filter(function (c) {
+    return correct.indexOf(c) === -1;
+  });
+  var decoys = [],
+    used = {};
+  correct.forEach(function (c) {
+    used[c] = 1;
+  });
+  while (decoys.length < decoyN && pool.length) {
+    var i = Math.floor(Math.random() * pool.length);
+    if (!used[pool[i]]) {
+      decoys.push(pool[i]);
+      used[pool[i]] = 1;
+    }
+    pool.splice(i, 1);
+  }
+  var opts = correct.concat(decoys);
+  for (var i = opts.length - 1; i > 0; i--) {
+    var j = Math.floor(Math.random() * (i + 1));
+    var tmp = opts[i];
+    opts[i] = opts[j];
+    opts[j] = tmp;
+  }
+  return opts;
+}
+
+// === RENDER ===
+function renderStats() {
+  document.getElementById("statScore").textContent = state.score;
+  document.getElementById("statCombo").textContent = state.combo;
+  document.getElementById("statTotal").textContent = state.totalCount;
+  document.getElementById("statStreak").textContent = state.streak;
+}
+function renderProgress() {
+  var bar = document.getElementById("progressBar");
+  bar.innerHTML = "";
+  for (var i = 0; i < ROUND_SIZE; i++) {
+    var d = document.createElement("div");
+    d.className =
+      "progress-dot" +
+      (i < state.round
+        ? state.roundResults[i]
+          ? " done"
+          : " skip"
+        : i === state.round
+          ? " current"
+          : "");
+    bar.appendChild(d);
+  }
+}
+function renderIdiom() {
+  var el = document.getElementById("idiomDisplay");
+  el.innerHTML = "";
+  var idiom = state.currentIdiom,
+    pp = idiom.p.split(" ");
+  for (var i = 0; i < idiom.w.length; i++) {
+    var box = document.createElement("div");
+    box.className = "char-box";
+    if (state.blankIndices.indexOf(i) !== -1) {
+      box.classList.add("blank");
+      if (state.filledChars[i]) {
+        box.classList.remove("blank");
+        box.classList.add("filled");
+        box.textContent = state.filledChars[i];
+      } else {
+        box.textContent = "?";
+        if (state.selectedBlank === i) box.classList.add("selected");
+      }
+      (function (idx) {
+        box.addEventListener("click", function () {
+          selectBlank(idx);
+        });
+      })(i);
+    } else {
+      box.textContent = idiom.w[i];
+      var py = document.createElement("span");
+      py.className = "pinyin-hint";
+      py.textContent = pp[i] || "";
+      box.appendChild(py);
+    }
+    el.appendChild(box);
+  }
+}
+function renderOptions(opts) {
+  var grid = document.getElementById("optionsGrid");
+  grid.innerHTML = "";
+  var filled = Object.keys(state.filledChars).map(function (k) {
+    return state.filledChars[k];
+  });
+  opts.forEach(function (ch) {
+    var btn = document.createElement("button");
+    btn.className = "option-btn";
+    btn.textContent = ch;
+    if (filled.indexOf(ch) !== -1) btn.classList.add("used");
+    if (state.answered) btn.classList.add("disabled");
+    btn.addEventListener("click", function () {
+      selectOption(ch);
+    });
+    grid.appendChild(btn);
+  });
+}
+function renderCombo() {
+  var el = document.getElementById("comboDisplay");
+  var toast = document.getElementById("comboToast");
+  if (state.combo >= 3) {
+    var msgs = [
+      "梅子不错哦~",
+      "太棒了梅子!",
+      "梅子真厉害!",
+      "学富五车!",
+      "梅子无人能挡!",
+      "登峰造极!",
+    ];
+    var i = Math.min(Math.floor((state.combo - 3) / 2), msgs.length - 1);
+    var txt = "🔥 连击 ×" + state.combo + " " + msgs[i];
+    el.innerHTML = '<span class="combo-text">' + txt + "</span>";
+    if (toast) {
+      toast.textContent = txt;
+      toast.classList.add("show");
+      clearTimeout(window._comboTimer);
+      window._comboTimer = setTimeout(function () {
+        toast.classList.remove("show");
+      }, 2200);
+    }
+  } else {
+    el.innerHTML = "";
+    if (toast) toast.classList.remove("show");
+  }
+}
+
+// === ACTIONS ===
+function startRound() {
+  state.round = 0;
+  state.roundResults = [];
+  nextQuestion();
+}
+function nextQuestion() {
+  if (state.round >= ROUND_SIZE) {
+    finishRound();
+    return;
+  }
+  state.currentIdiom = pickIdiom();
+  state.blankIndices = generateBlanks(state.currentIdiom.w, state.difficulty);
+  state.selectedBlank = state.blankIndices[0];
+  state.filledChars = {};
+  state.hintUsed = false;
+  state.answered = false;
+  currentOptions = generateOptions(state.currentIdiom, state.blankIndices);
+  document.getElementById("btnNext").style.display = "none";
+  document.getElementById("btnHint").style.display = "";
+  document.getElementById("btnHint").style.opacity = "1";
+  document.getElementById("btnHint").style.pointerEvents = "";
+  document.getElementById("btnSkip").style.display = "";
+  document.getElementById("resultArea").innerHTML = "";
+  document.getElementById("optLabel").style.display = "";
+  renderProgress();
+  renderIdiom();
+  renderOptions(currentOptions);
+  renderCombo();
+  renderStats();
+}
+function selectBlank(i) {
+  if (state.answered) return;
+  if (state.filledChars[i]) {
+    delete state.filledChars[i];
+    state.selectedBlank = i;
+    sfxClick();
+    renderIdiom();
+    renderOptions(currentOptions);
+    return;
+  }
+  state.selectedBlank = i;
+  sfxClick();
+  renderIdiom();
+}
+function selectOption(ch) {
+  if (state.answered || state.selectedBlank === -1) return;
+  sfxClick();
+  state.filledChars[state.selectedBlank] = ch;
+  var next = -1;
+  for (var j = 0; j < state.blankIndices.length; j++) {
+    if (!state.filledChars[state.blankIndices[j]]) {
+      next = state.blankIndices[j];
+      break;
+    }
+  }
+  state.selectedBlank = next;
+  renderIdiom();
+  renderOptions(currentOptions);
+  var allFilled = true;
+  for (var j = 0; j < state.blankIndices.length; j++) {
+    if (!state.filledChars[state.blankIndices[j]]) {
+      allFilled = false;
+      break;
+    }
+  }
+  if (allFilled) checkAnswer();
+}
+function checkAnswer() {
+  state.answered = true;
+  var idiom = state.currentIdiom,
+    ok = true;
+  state.blankIndices.forEach(function (i) {
+    if (state.filledChars[i] !== idiom.w[i]) ok = false;
+  });
+  var boxes = document.querySelectorAll(".char-box");
+  state.blankIndices.forEach(function (i) {
+    boxes[i].classList.remove("filled");
+    boxes[i].classList.add(
+      state.filledChars[i] === idiom.w[i] ? "correct" : "wrong",
+    );
+  });
+  if (ok) {
+    state.combo++;
+    if (state.combo > state.maxCombo) state.maxCombo = state.combo;
+    state.score += Math.round(
+      state.difficulty *
+        10 *
+        (state.hintUsed ? 0.5 : 1) *
+        (1 + state.combo * 0.1),
+    );
+    state.todayCount++;
+    state.totalCount++;
+    state.roundResults.push(true);
+    state.combo >= 5 ? sfxCombo() : sfxCorrect();
+    if (state.reviewMode) removeFromWrongBook(idiom.w);
+    var nc = tryCheckin();
+    showResult(true, nc);
+  } else {
+    state.combo = 0;
+    state.roundResults.push(false);
+    sfxWrong();
+    addToWrongBook(idiom);
+    setTimeout(function () {
+      state.blankIndices.forEach(function (i) {
+        boxes[i].textContent = idiom.w[i];
+        boxes[i].classList.remove("wrong");
+        boxes[i].classList.add("correct");
+      });
+    }, 800);
+    showResult(false, false);
+  }
+  renderOptions(currentOptions);
+  renderCombo();
+  renderStats();
+  renderProgress();
+  saveTodayState();
+  saveState();
+  document.getElementById("btnNext").style.display = "";
+  document.getElementById("btnHint").style.display = "none";
+  document.getElementById("btnSkip").style.display = "none";
+}
+function showResult(ok, nc) {
+  var idiom = state.currentIdiom,
+    a = document.getElementById("resultArea");
+  var ch = "";
+  if (nc)
+    ch =
+      '<div style="margin-top:12px;padding:10px;background:linear-gradient(135deg,#FFF8E1,#FFECB3);border-radius:10px;text-align:center"><span style="font-size:1.2rem">🎉</span> <b>梅子今日打卡成功！</b> 连续 ' +
+      state.streak +
+      " 天</div>";
+  var pg = "";
+  if (!nc && state.todayCount < DAILY_GOAL)
+    pg =
+      '<div style="margin-top:8px;font-size:.8rem;color:var(--text2)">今日进度：' +
+      state.todayCount +
+      "/" +
+      DAILY_GOAL +
+      " 题（完成" +
+      DAILY_GOAL +
+      "题即可打卡）</div>";
+  a.innerHTML =
+    '<div class="result-card' +
+    (ok ? "" : " wrong-result") +
+    '"><h3 style="color:' +
+    (ok ? "var(--green)" : "var(--red)") +
+    '">' +
+    (ok ? "✅ 回答正确！" : "❌ 答错了~") +
+    (ok && state.combo >= 3 ? " 🔥" : "") +
+    '</h3><div class="idiom-word">' +
+    idiom.w +
+    '</div><div class="idiom-pinyin">' +
+    idiom.p +
+    '</div><div class="idiom-explain"><b>释义：</b>' +
+    idiom.e +
+    "</div>" +
+    ch +
+    pg +
+    "</div>";
+}
+function finishRound() {
+  var c = state.roundResults.filter(function (r) {
+    return r;
+  }).length;
+  sfxComplete();
+  var wasReview = state.reviewMode;
+  state.reviewMode = false;
+  var msg =
+    c === ROUND_SIZE
+      ? "满分！梅子太厉害了！🎉"
+      : c >= 3
+        ? "梅子表现不错！继续加油~"
+        : "没关系梅子，多练习就会进步！💪";
+  var reviewBtn =
+    wasReview && state.wrongBook.length
+      ? '<button class="action-btn secondary" onclick="showWrongBookModal()" style="margin-top:8px;width:100%">再次练习错题 📖</button>'
+      : "";
+  document.getElementById("resultArea").innerHTML =
+    '<div class="result-card" style="border-top-color:var(--gold);text-align:center"><h3 style="color:var(--gold)">' +
+    (wasReview ? "📖 错题练习结束!" : "🏆 本轮结束!") +
+    '</h3><div style="font-size:2rem;font-weight:900;color:var(--accent);margin:12px 0;font-family:ZCOOL KuaiLe,cursive">' +
+    c +
+    " / " +
+    ROUND_SIZE +
+    '</div><div style="color:var(--text2);margin-bottom:16px">' +
+    msg +
+    '</div><button class="action-btn primary" onclick="startRound()" style="font-size:1rem;padding:12px 0;width:100%">再来一轮 →</button>' +
+    reviewBtn +
+    "</div>";
+  document.getElementById("btnNext").style.display = "none";
+  document.getElementById("btnHint").style.display = "none";
+  document.getElementById("btnSkip").style.display = "none";
+  document.getElementById("idiomDisplay").innerHTML = "";
+  document.getElementById("optionsGrid").innerHTML = "";
+  document.getElementById("optLabel").style.display = "none";
+}
+function useHint() {
+  if (state.answered || state.hintUsed) return;
+  state.hintUsed = true;
+  var ub = [];
+  for (var j = 0; j < state.blankIndices.length; j++) {
+    if (!state.filledChars[state.blankIndices[j]])
+      ub.push(state.blankIndices[j]);
+  }
+  if (!ub.length) return;
+  var hi = ub[0],
+    pp = state.currentIdiom.p.split(" "),
+    boxes = document.querySelectorAll(".char-box"),
+    py = document.createElement("span");
+  py.className = "pinyin-hint";
+  py.textContent = pp[hi] || "";
+  py.style.color = "var(--accent)";
+  boxes[hi].appendChild(py);
+  sfxClick();
+  document.getElementById("btnHint").style.opacity = ".5";
+  document.getElementById("btnHint").style.pointerEvents = "none";
+}
+function skipQuestion() {
+  if (state.answered) return;
+  state.combo = 0;
+  state.roundResults.push(false);
+  state.round++;
+  renderCombo();
+  renderProgress();
+  nextQuestion();
+}
+function showCheckinModal() {
+  document.getElementById("checkinModal").classList.add("show");
+  document.getElementById("modalStreak").textContent = state.streak;
+  var tc = document.getElementById("modalTodayCount");
+  var gf = document.getElementById("modalGoalFill");
+  if (tc) tc.textContent = state.todayCount;
+  if (gf)
+    gf.style.width =
+      Math.min(100, Math.round((state.todayCount / DAILY_GOAL) * 100)) + "%";
+  var cal = document.getElementById("modalCalendar");
+  cal.innerHTML = "";
+  var today = new Date(),
+    ts = getToday();
+  ["一", "二", "三", "四", "五", "六", "日"].forEach(function (l) {
+    var d = document.createElement("div");
+    d.style.cssText =
+      "font-size:.65rem;color:#8B6914;display:flex;align-items:center;justify-content:center";
+    d.textContent = l;
+    cal.appendChild(d);
+  });
+  var start = new Date(today);
+  start.setDate(start.getDate() - 27);
+  while (start.getDay() !== 1) start.setDate(start.getDate() - 1);
+  var end = new Date(today);
+  end.setDate(end.getDate() + ((7 - today.getDay()) % 7));
+  var cur = new Date(start);
+  while (cur <= end) {
+    var ds = cur.toISOString().slice(0, 10),
+      d = document.createElement("div");
+    d.className = "cal-day";
+    d.textContent = cur.getDate();
+    if (state.checkinDays.indexOf(ds) !== -1) d.classList.add("checked");
+    if (ds === ts) d.classList.add("today");
+    if (cur > today) d.style.opacity = ".3";
+    cal.appendChild(d);
+    cur.setDate(cur.getDate() + 1);
+  }
+}
+
+// === INIT ===
+function init() {
+  loadState();
+  loadWrongBook();
+  renderWbBadge();
+  if (state.bigFont) document.body.classList.add("big-font");
+  document.getElementById("btnSound").classList.toggle("active", state.sound);
+  document.getElementById("btnSound").textContent = state.sound ? "🔊" : "🔇";
+  if (state.bigFont)
+    document.getElementById("btnBigFont").classList.add("active");
+  document.querySelectorAll(".diff-btn").forEach(function (b) {
+    b.classList.toggle("active", +b.dataset.diff === state.difficulty);
+  });
+  renderStats();
+  startRound();
+  setTimeout(checkWhatsNew, 800);
+}
+document.getElementById("btnSound").addEventListener("click", function () {
+  state.sound = !state.sound;
+  this.classList.toggle("active", state.sound);
+  this.textContent = state.sound ? "🔊" : "🔇";
+  saveState();
+});
+document.getElementById("btnBigFont").addEventListener("click", function () {
+  state.bigFont = !state.bigFont;
+  document.body.classList.toggle("big-font", state.bigFont);
+  this.classList.toggle("active", state.bigFont);
+  saveState();
+});
+document
+  .getElementById("btnCheckin")
+  .addEventListener("click", showCheckinModal);
+document.getElementById("closeModal").addEventListener("click", function () {
+  document.getElementById("checkinModal").classList.remove("show");
+});
+document.getElementById("checkinModal").addEventListener("click", function (e) {
+  if (e.target === document.getElementById("checkinModal"))
+    document.getElementById("checkinModal").classList.remove("show");
+});
+document
+  .getElementById("btnWrongBook")
+  .addEventListener("click", showWrongBookModal);
+document
+  .getElementById("closeWrongBook")
+  .addEventListener("click", function () {
+    document.getElementById("wrongBookModal").classList.remove("show");
+  });
+document
+  .getElementById("wrongBookModal")
+  .addEventListener("click", function (e) {
+    if (e.target === document.getElementById("wrongBookModal"))
+      document.getElementById("wrongBookModal").classList.remove("show");
+  });
+document
+  .getElementById("btnStartReview")
+  .addEventListener("click", startReview);
+document.getElementById("closeWhatsNew").addEventListener("click", function () {
+  document.getElementById("whatsNewModal").classList.remove("show");
+  localStorage.setItem("chengyu_v", APP_VERSION);
+});
+document
+  .getElementById("whatsNewModal")
+  .addEventListener("click", function (e) {
+    if (e.target === document.getElementById("whatsNewModal")) {
+      document.getElementById("whatsNewModal").classList.remove("show");
+      localStorage.setItem("chengyu_v", APP_VERSION);
+    }
+  });
+document.querySelectorAll(".diff-btn").forEach(function (b) {
+  b.addEventListener("click", function () {
+    document.querySelectorAll(".diff-btn").forEach(function (x) {
+      x.classList.remove("active");
+    });
+    this.classList.add("active");
+    state.difficulty = +this.dataset.diff;
+    state.combo = 0;
+    saveState();
+    startRound();
+  });
+});
+document.getElementById("btnHint").addEventListener("click", useHint);
+document.getElementById("btnSkip").addEventListener("click", skipQuestion);
+document.getElementById("btnNext").addEventListener("click", function () {
+  state.round++;
+  document.getElementById("optLabel").style.display = "";
+  nextQuestion();
+});
+init();

index.html

@@ -0,0 +1,158 @@
+<!doctype html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta
+      name="viewport"
+      content="width=device-width, initial-scale=1.0, user-scalable=no"
+    />
+    <meta name="apple-mobile-web-app-capable" content="yes" />
+    <title>梅子的成语填字</title>
+    <link rel="stylesheet" href="style.css" />
+  </head>
+  <body>
+    <div class="header">
+      <a
+        href="https://m1ngdaxie.com"
+        class="icon-btn back-btn"
+        style="text-decoration: none"
+        >&#8592;</a
+      >
+      <div class="header-title">梅子的成语填字</div>
+      <div class="header-right">
+        <button class="icon-btn" id="btnSound">🔊</button>
+        <button class="icon-btn" id="btnBigFont">字</button>
+        <button class="icon-btn" id="btnCheckin">📅</button>
+      </div>
+    </div>
+    <div class="info-bar">
+      <div class="info-item">今日&nbsp;<span id="statScore">0</span>分</div>
+      <div class="info-divider"></div>
+      <div class="info-item">
+        🔥&nbsp;<span id="statCombo">0</span>&nbsp;连击
+      </div>
+      <div class="info-divider"></div>
+      <div class="info-item info-wb" id="btnWrongBook">
+        📖&nbsp;错题本&nbsp;<span class="wb-badge" id="wbBadge">0</span>
+      </div>
+    </div>
+    <div style="display: none">
+      <span id="statTotal">0</span><span id="statStreak">0</span>
+    </div>
+    <div class="diff-control">
+      <button class="diff-btn active" data-diff="1">简单</button>
+      <button class="diff-btn" data-diff="2">中等</button>
+      <button class="diff-btn" data-diff="3">困难</button>
+    </div>
+    <div class="game-area">
+      <div class="progress-bar" id="progressBar"></div>
+      <div id="comboDisplay" style="display: none"></div>
+      <div class="idiom-display" id="idiomDisplay"></div>
+      <div id="optLabel" style="display: none"></div>
+      <div class="options-grid" id="optionsGrid"></div>
+      <div class="action-bar">
+        <button class="action-btn secondary" id="btnHint">💡 提示</button>
+        <button class="action-btn secondary" id="btnSkip">⏭ 跳过</button>
+        <button class="action-btn primary" id="btnNext" style="display: none">
+          下一题 →
+        </button>
+      </div>
+      <div id="resultArea"></div>
+    </div>
+    <div class="combo-toast" id="comboToast"></div>
+
+    <div class="modal-overlay" id="wrongBookModal">
+      <div class="modal">
+        <div
+          class="modal-header"
+          style="background: linear-gradient(135deg, #6b4f2a, #c8941a)"
+        >
+          <div class="streak-display" id="wbCount">0</div>
+          <div class="streak-label">道错题待复习 📖</div>
+        </div>
+        <div class="modal-body wb-body" id="wbList"></div>
+        <div class="wb-actions">
+          <button class="action-btn secondary" id="closeWrongBook">
+            继续答题
+          </button>
+          <button class="action-btn primary" id="btnStartReview">
+            练习错题 →
+          </button>
+        </div>
+      </div>
+    </div>
+
+    <div class="modal-overlay" id="whatsNewModal">
+      <div class="modal">
+        <div
+          class="modal-header"
+          style="background: linear-gradient(135deg, #2a7a52, #4caf50)"
+        >
+          <div style="font-size: 2.2rem">🎉</div>
+          <div
+            class="streak-label"
+            style="font-size: 1.1rem; font-weight: 900; margin-top: 6px"
+          >
+            新功能上线啦！
+          </div>
+        </div>
+        <div class="modal-body">
+          <div class="wn-item">
+            <span class="wn-icon">📖</span>
+            <div>
+              <b>错题本</b>
+              <div class="wn-desc">
+                答错的成语自动收录，随时可以回来专项练习，越练越强！
+              </div>
+            </div>
+          </div>
+          <div class="wn-item">
+            <span class="wn-icon">🎨</span>
+            <div>
+              <b>全新界面</b>
+              <div class="wn-desc">
+                更清爽的布局，手机上看更舒服，为妈妈优化 💕
+              </div>
+            </div>
+          </div>
+        </div>
+        <button class="close-modal" id="closeWhatsNew">
+          知道了，开始答题！
+        </button>
+      </div>
+    </div>
+
+    <div class="modal-overlay" id="checkinModal">
+      <div class="modal">
+        <div class="modal-header">
+          <div class="streak-display" id="modalStreak">0</div>
+          <div class="streak-label">天连续打卡 🌸</div>
+        </div>
+        <div class="modal-body">
+          <div class="daily-goal">
+            <div class="daily-goal-label">
+              今日目标：<span id="modalTodayCount">0</span> / 5 题完成
+            </div>
+            <div class="daily-goal-bar">
+              <div
+                class="daily-goal-fill"
+                id="modalGoalFill"
+                style="width: 0%"
+              ></div>
+            </div>
+          </div>
+          <div class="calendar" id="modalCalendar"></div>
+          <p
+            style="font-size: 0.75rem; color: var(--text2); text-align: center"
+          >
+            每日完成5题即可打卡 ✓
+          </p>
+        </div>
+        <button class="close-modal" id="closeModal">关闭</button>
+      </div>
+    </div>
+
+    <script src="data.js"></script>
+    <script src="app.js"></script>
+  </body>
+</html>

style.css

@@ -0,0 +1,683 @@
+@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700;900&family=ZCOOL+KuaiLe&display=swap");
+/* Fallback: if Google Fonts unavailable (offline/firewall), system CJK fonts cover all characters */
+:root {
+  --bg: #faf5ec;
+  --text: #1a1008;
+  --text2: #6b4f2a;
+  --accent: #c13b0a;
+  --accent2: #e07b20;
+  --green: #2a7a52;
+  --green-lt: #e8f5ee;
+  --red: #b52020;
+  --red-lt: #ffebee;
+  --gold: #c8941a;
+  --card: #ffffff;
+  --paper-alt: #f2ead8;
+  --radius: 14px;
+  --fs-base: 16px;
+  --fs-char: clamp(1.9rem, 7.5vw, 2.8rem);
+  --fs-opt: clamp(1.3rem, 5.5vw, 1.8rem);
+  --shadow-sm: 0 2px 8px rgba(26, 16, 8, 0.08);
+  --shadow-md: 0 4px 20px rgba(26, 16, 8, 0.12);
+}
+.big-font {
+  --fs-base: 20px;
+  --fs-char: clamp(2.2rem, 9vw, 3.4rem);
+  --fs-opt: clamp(1.6rem, 7vw, 2.2rem);
+}
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+  -webkit-tap-highlight-color: transparent;
+}
+body {
+  font-family:
+    "Noto Serif SC", "PingFang SC", "Songti SC", "SimSun",
+    "Source Han Serif CN", serif;
+  background: var(--bg);
+  color: var(--text);
+  font-size: var(--fs-base);
+  min-height: 100dvh;
+  overflow-x: hidden;
+}
+.header {
+  background: #c13b0a;
+  color: #fff;
+  padding: 10px 14px;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  position: sticky;
+  top: 0;
+  z-index: 100;
+  box-shadow: 0 2px 14px rgba(193, 59, 10, 0.4);
+}
+.header-title {
+  font-family: "ZCOOL KuaiLe", cursive;
+  font-size: clamp(1rem, 4vw, 1.3rem);
+  letter-spacing: 2px;
+  flex: 1;
+  text-align: center;
+}
+.header-right {
+  display: flex;
+  gap: 6px;
+  align-items: center;
+  flex-shrink: 0;
+}
+.icon-btn {
+  background: rgba(255, 255, 255, 0.18);
+  border: none;
+  color: #fff;
+  min-width: 44px;
+  min-height: 44px;
+  border-radius: 50%;
+  font-size: 1.05rem;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: background 0.2s;
+  flex-shrink: 0;
+}
+.icon-btn:active {
+  background: rgba(255, 255, 255, 0.38);
+}
+.icon-btn.active {
+  background: rgba(255, 255, 255, 0.45);
+}
+.back-btn {
+  font-size: 1.3rem;
+  text-decoration: none;
+}
+.info-bar {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0;
+  background: var(--card);
+  border-bottom: 1px solid #e8d8c0;
+  padding: 7px 20px;
+}
+.info-item {
+  font-family: "ZCOOL KuaiLe", cursive;
+  font-size: 1rem;
+  color: var(--text2);
+}
+.info-item span {
+  color: var(--accent);
+  font-size: 1.1rem;
+}
+.info-divider {
+  width: 1px;
+  height: 16px;
+  background: #e0d0b8;
+  margin: 0 16px;
+}
+.info-wb {
+  cursor: pointer;
+  color: var(--accent2);
+  transition: opacity 0.15s;
+}
+.info-wb:active {
+  opacity: 0.6;
+}
+.wb-badge {
+  background: #fff;
+  color: var(--red);
+  border: 1.5px solid var(--red);
+  border-radius: 10px;
+  padding: 1px 6px;
+  font-size: 0.8rem;
+  font-weight: 900;
+  font-family: "Noto Serif SC", serif;
+  margin-left: 4px;
+  vertical-align: middle;
+  display: inline-block;
+  text-align: center;
+}
+.wb-badge.empty {
+  background: transparent;
+  border-color: #c8b89a;
+  color: #c8b89a;
+}
+.wb-body {
+  max-height: 52vh;
+  overflow-y: auto;
+  padding: 10px 16px;
+}
+.wb-item {
+  padding: 12px 0;
+  border-bottom: 1px solid #f0e4d0;
+}
+.wb-item:last-child {
+  border-bottom: none;
+}
+.wb-word {
+  font-size: 1.4rem;
+  font-weight: 900;
+  letter-spacing: 3px;
+  color: var(--text);
+}
+.wb-pinyin {
+  font-size: 0.78rem;
+  color: var(--text2);
+  margin: 2px 0 6px;
+}
+.wb-explain {
+  font-size: 0.85rem;
+  color: #5d4e37;
+  line-height: 1.6;
+  background: #fff8f0;
+  border-radius: 6px;
+  padding: 8px 10px;
+  border-left: 3px solid var(--accent2);
+}
+.wb-meta {
+  font-size: 0.75rem;
+  color: var(--red);
+  margin-top: 6px;
+  font-family: "Noto Serif SC", serif;
+}
+.wb-empty {
+  text-align: center;
+  padding: 32px 16px;
+  color: var(--text2);
+  font-size: 1rem;
+}
+.wb-actions {
+  display: flex;
+  gap: 10px;
+  padding: 12px 16px;
+  border-top: 1px solid #f0e4d0;
+}
+.wb-actions .action-btn {
+  flex: 1;
+  padding: 12px 0;
+  text-align: center;
+}
+.wn-item {
+  display: flex;
+  gap: 14px;
+  align-items: flex-start;
+  padding: 12px 0;
+  border-bottom: 1px solid #f0e4d0;
+}
+.wn-item:last-child {
+  border-bottom: none;
+}
+.wn-icon {
+  font-size: 1.6rem;
+  flex-shrink: 0;
+  margin-top: 2px;
+}
+.wn-desc {
+  font-size: 0.85rem;
+  color: var(--text2);
+  margin-top: 3px;
+  line-height: 1.6;
+}
+.diff-control {
+  display: flex;
+  background: var(--paper-alt);
+  border-bottom: 1px solid #ddd0b8;
+  padding: 8px 16px;
+  gap: 8px;
+  justify-content: center;
+}
+.diff-btn {
+  flex: 1;
+  max-width: 110px;
+  border: none;
+  background: transparent;
+  color: var(--text2);
+  padding: 7px 0;
+  border-radius: 20px;
+  font-size: 0.9rem;
+  font-family: "Noto Serif SC", serif;
+  cursor: pointer;
+  transition: all 0.2s;
+  font-weight: 700;
+  min-height: 38px;
+}
+.diff-btn.active {
+  background: var(--accent);
+  color: #fff;
+  box-shadow: 0 2px 8px rgba(193, 59, 10, 0.3);
+}
+.game-area {
+  padding: 16px;
+  max-width: 480px;
+  margin: 0 auto;
+}
+.progress-bar {
+  display: flex;
+  gap: 4px;
+  margin-bottom: 20px;
+  height: 6px;
+}
+.progress-dot {
+  flex: 1;
+  border-radius: 3px;
+  height: 6px;
+  background: #e0d0b8;
+  transition: background 0.3s;
+}
+.progress-dot.done {
+  background: var(--green);
+}
+.progress-dot.current {
+  background: var(--accent);
+  box-shadow: 0 0 8px rgba(193, 59, 10, 0.45);
+}
+.progress-dot.skip {
+  background: var(--red);
+  opacity: 0.55;
+}
+.idiom-display {
+  display: flex;
+  justify-content: center;
+  gap: clamp(6px, 2.5vw, 14px);
+  margin-bottom: 28px;
+  position: relative;
+}
+.char-box {
+  width: clamp(58px, 17vw, 80px);
+  height: clamp(58px, 17vw, 80px);
+  background: var(--card);
+  border: 2.5px solid #e0d0b8;
+  border-radius: 12px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: var(--fs-char);
+  font-weight: 900;
+  color: var(--text);
+  box-shadow: var(--shadow-sm);
+  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
+  position: relative;
+  background-image:
+    linear-gradient(rgba(160, 130, 90, 0.07) 1px, transparent 1px),
+    linear-gradient(90deg, rgba(160, 130, 90, 0.07) 1px, transparent 1px);
+  background-size: 50% 50%;
+}
+.char-box.blank {
+  border-color: var(--accent);
+  border-style: dashed;
+  background-color: #fff5ee;
+  background-image:
+    linear-gradient(rgba(193, 59, 10, 0.05) 1px, transparent 1px),
+    linear-gradient(90deg, rgba(193, 59, 10, 0.05) 1px, transparent 1px);
+  background-size: 50% 50%;
+  animation: blankPulse 2.5s ease-in-out infinite;
+  cursor: pointer;
+}
+.char-box.blank.selected {
+  border-style: solid;
+  border-width: 3px;
+  background-color: #ffeedd;
+  transform: scale(1.1);
+  box-shadow: 0 0 0 4px rgba(193, 59, 10, 0.18);
+  animation: none;
+}
+.char-box.blank.selected::after {
+  content: "";
+  position: absolute;
+  bottom: -9px;
+  left: 50%;
+  transform: translateX(-50%);
+  border: 5px solid transparent;
+  border-top-color: var(--accent);
+}
+.char-box.filled {
+  border-color: var(--accent2);
+  border-style: solid;
+  background: linear-gradient(135deg, #fff5ee, #ffe8d0);
+  color: var(--accent);
+  animation: popIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
+}
+.char-box.correct {
+  border-color: var(--green);
+  background: linear-gradient(135deg, #e8f5ee, #d4eddf);
+  color: var(--green);
+  animation: correctPop 0.4s ease;
+}
+.char-box.wrong {
+  border-color: var(--red);
+  background: var(--red-lt);
+  color: var(--red);
+  animation: shake 0.4s ease;
+}
+.char-box .pinyin-hint {
+  position: absolute;
+  top: -20px;
+  font-size: 0.65rem;
+  color: var(--text2);
+  font-weight: 400;
+  white-space: nowrap;
+}
+.options-grid {
+  display: grid;
+  grid-template-columns: repeat(4, clamp(52px, 13vw, 68px));
+  gap: clamp(6px, 2vw, 10px);
+  margin-bottom: 16px;
+  justify-content: center;
+}
+.option-btn {
+  aspect-ratio: 1;
+  width: 100%;
+  border: 2px solid #e0d0b8;
+  background: var(--card);
+  border-radius: 10px;
+  font-size: var(--fs-opt);
+  font-family: "Noto Serif SC", serif;
+  font-weight: 700;
+  color: var(--text);
+  cursor: pointer;
+  transition: all 0.15s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-shadow: var(--shadow-sm);
+}
+.option-btn:active {
+  transform: scale(0.88);
+  background: var(--accent);
+  color: #fff;
+  border-color: var(--accent);
+}
+.option-btn.used {
+  opacity: 0.28;
+  pointer-events: none;
+  background: #f5f0e8;
+}
+.option-btn.disabled {
+  opacity: 0.15;
+  pointer-events: none;
+}
+.action-bar {
+  display: flex;
+  gap: 10px;
+  justify-content: center;
+  margin-bottom: 16px;
+  flex-wrap: wrap;
+}
+.action-btn {
+  border: none;
+  padding: 12px 28px;
+  border-radius: 24px;
+  font-size: 0.95rem;
+  font-family: "Noto Serif SC", serif;
+  cursor: pointer;
+  transition: all 0.2s;
+  min-height: 48px;
+}
+.action-btn.primary {
+  background: linear-gradient(135deg, var(--accent), var(--accent2));
+  color: #fff;
+  box-shadow: 0 2px 10px rgba(193, 59, 10, 0.3);
+  flex: 1;
+  max-width: 280px;
+}
+.action-btn.primary:active {
+  transform: scale(0.97);
+}
+.action-btn.secondary {
+  background: var(--card);
+  color: var(--text2);
+  border: 1.5px solid #e0d0b8;
+}
+.action-btn.secondary:active {
+  transform: scale(0.95);
+}
+.result-card {
+  background: var(--card);
+  border-radius: var(--radius);
+  padding: 20px;
+  margin-top: 12px;
+  box-shadow: var(--shadow-md);
+  animation: slideUp 0.4s ease;
+  border-top: 4px solid var(--green);
+}
+.result-card.wrong-result {
+  border-top-color: var(--red);
+}
+.result-card h3 {
+  font-size: 1.15rem;
+  margin-bottom: 8px;
+  font-family: "ZCOOL KuaiLe", cursive;
+}
+.result-card .idiom-word {
+  font-size: clamp(1.6rem, 6vw, 2.2rem);
+  font-weight: 900;
+  color: var(--text);
+  margin-bottom: 4px;
+  letter-spacing: 4px;
+}
+.result-card .idiom-pinyin {
+  font-size: 0.85rem;
+  color: var(--text2);
+  margin-bottom: 12px;
+  letter-spacing: 1px;
+}
+.result-card .idiom-explain {
+  font-size: 0.95rem;
+  line-height: 1.8;
+  color: #5d4e37;
+  padding: 12px 12px 12px 16px;
+  background: #fff8f0;
+  border-radius: 8px;
+  border-left: 3px solid var(--accent2);
+}
+.combo-toast {
+  position: fixed;
+  top: 72px;
+  left: 50%;
+  transform: translateX(-50%) translateY(-8px);
+  background: var(--gold);
+  color: #fff;
+  border-radius: 24px;
+  padding: 7px 20px;
+  font-family: "ZCOOL KuaiLe", cursive;
+  font-size: 1.05rem;
+  box-shadow: var(--shadow-md);
+  opacity: 0;
+  pointer-events: none;
+  z-index: 150;
+  transition:
+    opacity 0.25s,
+    transform 0.25s;
+  white-space: nowrap;
+}
+.combo-toast.show {
+  opacity: 1;
+  transform: translateX(-50%) translateY(0);
+}
+.modal-overlay {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.55);
+  display: none;
+  align-items: center;
+  justify-content: center;
+  z-index: 200;
+  padding: 20px;
+}
+.modal-overlay.show {
+  display: flex;
+}
+.modal {
+  background: var(--card);
+  border-radius: 20px;
+  overflow: hidden;
+  max-width: 360px;
+  width: 100%;
+  animation: slideUp 0.3s ease;
+  box-shadow: 0 8px 32px rgba(26, 16, 8, 0.2);
+}
+.modal-header {
+  background: linear-gradient(135deg, var(--accent), var(--accent2));
+  color: #fff;
+  padding: 22px 24px 18px;
+  text-align: center;
+}
+.modal-header .streak-display {
+  font-size: 3.5rem;
+  font-weight: 900;
+  font-family: "ZCOOL KuaiLe", cursive;
+  line-height: 1;
+}
+.modal-header .streak-label {
+  font-size: 0.9rem;
+  opacity: 0.92;
+  margin-top: 4px;
+}
+.modal-body {
+  padding: 18px 20px 20px;
+}
+.modal .calendar {
+  display: grid;
+  grid-template-columns: repeat(7, 1fr);
+  gap: 4px;
+  margin-bottom: 14px;
+}
+.modal .cal-day {
+  width: 100%;
+  aspect-ratio: 1;
+  border-radius: 6px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 0.72rem;
+  background: var(--paper-alt);
+  color: var(--text2);
+}
+.modal .cal-day.checked {
+  background: linear-gradient(135deg, var(--accent), var(--accent2));
+  color: #fff;
+  font-weight: 700;
+}
+.modal .cal-day.today {
+  outline: 2px solid var(--accent);
+  outline-offset: 1px;
+}
+.daily-goal {
+  background: var(--paper-alt);
+  border-radius: 10px;
+  padding: 10px 14px;
+  margin-bottom: 14px;
+}
+.daily-goal-label {
+  font-size: 0.82rem;
+  color: var(--text2);
+  margin-bottom: 7px;
+}
+.daily-goal-bar {
+  height: 8px;
+  background: #ddd0b8;
+  border-radius: 4px;
+  overflow: hidden;
+}
+.daily-goal-fill {
+  height: 100%;
+  background: linear-gradient(90deg, var(--green), #4caf50);
+  border-radius: 4px;
+  transition: width 0.5s ease;
+}
+.close-modal {
+  display: block;
+  width: 100%;
+  border: none;
+  background: linear-gradient(135deg, var(--accent), var(--accent2));
+  color: #fff;
+  padding: 14px;
+  font-size: 1rem;
+  font-family: "Noto Serif SC", serif;
+  cursor: pointer;
+  min-height: 50px;
+}
+@keyframes popIn {
+  0% {
+    transform: scale(0.8);
+    opacity: 0.5;
+  }
+  100% {
+    transform: scale(1);
+    opacity: 1;
+  }
+}
+@keyframes correctPop {
+  0% {
+    transform: scale(1);
+  }
+  50% {
+    transform: scale(1.18);
+  }
+  100% {
+    transform: scale(1);
+  }
+}
+@keyframes shake {
+  0%,
+  100% {
+    transform: translateX(0);
+  }
+  25% {
+    transform: translateX(-7px);
+  }
+  75% {
+    transform: translateX(7px);
+  }
+}
+@keyframes slideUp {
+  0% {
+    transform: translateY(20px);
+    opacity: 0;
+  }
+  100% {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
+@keyframes blankPulse {
+  0%,
+  100% {
+    box-shadow: 0 0 0 0 rgba(193, 59, 10, 0.08);
+  }
+  50% {
+    box-shadow: 0 0 0 6px rgba(193, 59, 10, 0.13);
+  }
+}
+@keyframes comboIn {
+  0% {
+    transform: scale(0.5);
+    opacity: 0;
+  }
+  100% {
+    transform: scale(1);
+    opacity: 1;
+  }
+}
+@media (max-width: 380px) {
+  .header-title {
+    font-size: 0.95rem;
+    letter-spacing: 1px;
+  }
+  .icon-btn {
+    min-width: 40px;
+    min-height: 40px;
+  }
+}
+@media (min-width: 600px) {
+  .game-area {
+    padding: 24px 32px;
+  }
+  .char-box {
+    width: 88px;
+    height: 88px;
+  }
+  .options-grid {
+    gap: 16px;
+  }
+}