/* 数学宠物 · 样式 */
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  background: linear-gradient(180deg, #e0f4ff 0%, #fdf6e3 100%);
  color: #2b3a55; overflow: hidden;
  user-select: none;
}

#app-shell { display: flex; flex-direction: column; height: 100dvh; max-width: 560px; margin: 0 auto; background: #fffdf7; box-shadow: 0 0 40px rgba(43,58,85,.12); position: relative; }

/* 顶栏 */
#topbar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: #fff; border-bottom: 2px solid #f0e9d8; }
#tb-petname { font-weight: 700; font-size: 15px; }
#tb-stage { font-size: 11px; background: #ffd166; color: #7a5c00; padding: 2px 8px; border-radius: 10px; }
#tb-extra { display: flex; gap: 6px; font-size: 11px; }
.tb-due { background: #ffe5ec; color: #c9184a; padding: 2px 7px; border-radius: 10px; }
.tb-streak { background: #ffe8cc; color: #9c4200; padding: 2px 7px; border-radius: 10px; }
.tb-sick { background: #d0f4f8; color: #076d76; padding: 2px 7px; border-radius: 10px; }
#tb-coins { margin-left: auto; font-weight: 800; background: #fff3d6; border: 2px solid #ffd166; color: #9c6b00; border-radius: 14px; padding: 3px 12px; font-size: 14px; }

/* 主区 */
#app { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 14px 14px 90px; }
.screen { animation: fadein .25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; } }

/* 底部导航 */
#bottom-nav { position: absolute; bottom: 0; left: 0; right: 0; display: flex; background: #fff; border-top: 2px solid #f0e9d8; padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); }
.bn-item { flex: 1; background: none; border: none; display: flex; flex-direction: column; align-items: center; gap: 2px; cursor: pointer; padding: 4px 0; border-radius: 12px; }
.bn-item span { font-size: 22px; filter: grayscale(.6); transition: .15s; }
.bn-item i { font-style: normal; font-size: 11px; color: #8a94a6; }
.bn-item.on span { filter: none; transform: scale(1.15); }
.bn-item.on i { color: #e76f51; font-weight: 700; }

/* 按钮 */
.btn { border: none; cursor: pointer; border-radius: 14px; padding: 12px 18px; font-size: 15px; font-weight: 700; color: #2b3a55; background: #eef2f7; transition: transform .1s; font-family: inherit; }
.btn:active { transform: scale(.96); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.primary { background: linear-gradient(135deg, #ffb703, #fb8500); color: #fff; box-shadow: 0 4px 12px rgba(251,133,0,.35); }
.btn.accent { background: linear-gradient(135deg, #48cae4, #0096c7); color: #fff; }
.btn.warn { background: linear-gradient(135deg, #ffafcc, #e07a9e); color: #fff; }
.btn.ghost { background: #fff; border: 2px solid #e3e8ef; }
.btn.sm { padding: 7px 14px; font-size: 13px; border-radius: 10px; }
.btn.big { display: block; width: 100%; margin-bottom: 10px; padding: 15px; font-size: 17px; }
.btn.danger { background: #ffe5ec; color: #c9184a; }
.btn.pulse { animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(251,133,0,.5); } 50% { box-shadow: 0 0 0 10px rgba(251,133,0,0); } }

/* ---- 主页 ---- */
.home-pet-wrap { text-align: center; padding: 10px 0 4px; }
.pet-stage { width: 230px; margin: 0 auto; }
.pet-caption { font-size: 13px; color: #77839b; margin-top: -6px; }
.stat-bars { margin: 10px 6px; display: flex; flex-direction: column; gap: 7px; }
.sbar label { font-size: 12px; color: #5a6a8a; display: flex; justify-content: space-between; }
.sbar label em { font-style: normal; color: #b08900; }
.track { height: 12px; background: #eef2f7; border-radius: 8px; overflow: hidden; }
.track i { display: block; height: 100%; border-radius: 8px; background: linear-gradient(90deg, #90be6d, #43aa8b); transition: width .4s; }
.track.sm { height: 8px; }
.home-actions { margin-top: 14px; }
.home-progress { margin-top: 12px; }
.hp-row { display: flex; align-items: center; gap: 8px; font-size: 12px; margin-bottom: 6px; color: #5a6a8a; }
.hp-row .track { flex: 1; }
.hp-row b { color: #2b3a55; }

/* ---- 宠物 SVG 动画 ---- */
.pet-svg { width: 100%; height: auto; }
.pet-shadow { fill: rgba(43,58,85,.12); }
.pet-eye, .pet-eye-light { fill: #2b3a55; } .pet-eye-light { fill: #fff; }
.pet-mouth, .pet-nose { stroke: #2b3a55; stroke-width: 2.5; fill: none; stroke-linecap: round; }
.pet-nose { fill: #e07a9e; stroke: #c9184a; }
.pet-blush { fill: rgba(255,143,171,.4); }
.pet-star { animation: starSpin 6s linear infinite; transform-origin: 100px 54px; }
@keyframes starSpin { to { transform: rotate(360deg); } }
.pet-scarf { animation: scarfWave 2.4s ease-in-out infinite; }
@keyframes scarfWave { 0%,100% { transform: none; } 50% { transform: rotate(-2deg); } }
.pet-body-g { animation: breathe 2.8s ease-in-out infinite; transform-origin: 100px 170px; }
@keyframes breathe { 0%,100% { transform: scale(1); } 50% { transform: scale(1.025); } }
.pet-tail { animation: tailWag 1.6s ease-in-out infinite; transform-origin: 66px 160px; }
@keyframes tailWag { 0%,100% { transform: rotate(0); } 50% { transform: rotate(-12deg); } }
.pet-ears { animation: earWiggle 3.2s ease-in-out infinite; transform-origin: 100px 90px; }
@keyframes earWiggle { 0%,92%,100% { transform: none; } 96% { transform: rotate(-3deg); } }
.pet-sick { animation: sickFloat 2s ease-in-out infinite; }
@keyframes sickFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-3px); } }

/* ---- 地图 ---- */
.tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.tab { flex: 1; padding: 9px; border: 2px solid #e3e8ef; background: #fff; border-radius: 12px; font-weight: 700; font-size: 13px; cursor: pointer; }
.tab.on { background: #2b3a55; color: #fff; border-color: #2b3a55; }
.unit { background: #fff; border-radius: 18px; padding: 14px; margin-bottom: 14px; border: 2px solid #eef2f7; }
.unit-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 15px; }
.u-icon { font-size: 22px; }
.unit-locked { opacity: .55; }
.u-lock { font-size: 11px; color: #c9184a; margin-left: auto; }
.unit-nodes { display: flex; flex-direction: column; gap: 7px; }
.node { display: flex; align-items: center; gap: 8px; background: #f8fafd; border: 2px solid #e6ecf4; border-radius: 12px; padding: 11px 12px; cursor: pointer; font-size: 14px; font-family: inherit; text-align: left; }
.node:active { transform: scale(.98); }
.node.locked { opacity: .5; }
.node .lock { font-size: 14px; }
.n-title { flex: 1; }
.n-star { font-size: 11px; letter-spacing: 1px; }
.unit.theme-grass { background: linear-gradient(135deg, #f0faf0, #fff); border-color: #d8ecd8; }
.unit.theme-apple { background: linear-gradient(135deg, #fff5f0, #fff); border-color: #f7ddce; }
.unit.theme-river { background: linear-gradient(135deg, #f0f7ff, #fff); border-color: #d6e6f7; }
.unit.theme-forest { background: linear-gradient(135deg, #f4fbf0, #fff); border-color: #ddecd0; }
.unit.theme-brick { background: linear-gradient(135deg, #fdf4ec, #fff); border-color: #f0dcc8; }
.unit.theme-space { background: linear-gradient(135deg, #f4f0fd, #fff); border-color: #e2d8f7; }
.unit.theme-gold { background: linear-gradient(135deg, #fffbe8, #fff); border-color: #f2e8bd; }

/* ---- 答题 ---- */
.quiz-head { display: flex; align-items: center; gap: 10px; }
.q-label { flex: 1; font-size: 13px; color: #5a6a8a; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.q-count { font-weight: 800; color: #e76f51; }
.quiz-progress { height: 8px; background: #eef2f7; border-radius: 6px; margin: 10px 0 16px; overflow: hidden; }
.quiz-progress i { display: block; height: 100%; background: linear-gradient(90deg, #48cae4, #0096c7); border-radius: 6px; transition: width .3s; }
.quiz-q { background: #fff; border-radius: 18px; padding: 20px 16px; text-align: center; box-shadow: 0 3px 10px rgba(43,58,85,.06); }
.q-text { font-size: 18px; font-weight: 700; line-height: 1.55; margin-bottom: 12px; }
.qv-emoji { font-size: 26px; line-height: 1.7; letter-spacing: 3px; word-break: break-all; padding: 6px 2px; }
.qv-dir { font-size: 13px; color: #77839b; letter-spacing: 0; margin-top: 6px; }
.qv-vs { display: flex; align-items: center; justify-content: center; gap: 14px; font-size: 24px; flex-wrap: wrap; }
.qv-vs b { color: #e76f51; font-size: 18px; }
.qv-vs-sep { color: #9aa7bd; font-size: 13px; }
.qc-bot { display: flex; justify-content: center; gap: 40px; font-size: 22px; font-weight: 800; color: #e76f51; margin-top: 8px; }
.qv-calc { font-size: 30px; font-weight: 800; letter-spacing: 2px; padding: 8px 0; }
.qv-calc b { color: #e76f51; }
.qv-order { font-size: 22px; letter-spacing: 1px; }
.qv-shapes { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; padding: 6px; }
.qshape { width: 60px; height: 60px; }
.qv-money { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; padding: 8px 0; }
.coin { display: inline-flex; align-items: center; justify-content: center; width: 58px; height: 58px; border-radius: 50%; font-weight: 800; font-size: 15px; border: 3px solid; }
.coin.c1 { background: #ffd166; border-color: #b08900; color: #7a5c00; }
.coin.c5 { background: #d0f4f8; border-color: #076d76; color: #076d76; }
.note { display: inline-flex; align-items: center; justify-content: center; min-width: 92px; height: 52px; border-radius: 8px; font-weight: 800; color: #3a5a40; background: linear-gradient(135deg, #cde8cf, #a7d7b0); border: 2px solid #6a994e; }
.goods { font-size: 15px; font-weight: 700; }
.ask { color: #e76f51; font-weight: 800; }
.qv-col { display: inline-flex; flex-direction: column; align-items: flex-end; gap: 2px; font-size: 30px; font-weight: 800; padding: 8px 22px; }
.qv-col .row { display: flex; gap: 10px; }
.qv-col .line { width: 100%; height: 3px; background: #2b3a55; border-radius: 2px; margin: 4px 0; }
.qv-col .ans { color: #e76f51; }
.opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.opt { padding: 20px 10px; font-size: 22px; font-weight: 800; border-radius: 16px; border: 3px solid #e3e8ef; background: #fff; cursor: pointer; font-family: inherit; transition: transform .1s; }
.opt:active { transform: scale(.96); }
.opt.right { background: #d8f3dc; border-color: #43aa8b; animation: bounceIn .4s; }
.opt.wrong { background: #ffe5ec; border-color: #e07a9e; animation: shake .4s; }
@keyframes bounceIn { 0% { transform: scale(.8); } 60% { transform: scale(1.08); } 100% { transform: scale(1); } }
@keyframes shake { 0%,100% { transform: none; } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
.quiz-foot { text-align: center; margin-top: 14px; }

/* 数字键盘 */
.keypad { margin-top: 16px; }
.kp-input { height: 52px; line-height: 52px; text-align: center; font-size: 26px; font-weight: 800; background: #fff; border: 3px solid #e3e8ef; border-radius: 14px; margin-bottom: 10px; }
.kp-input.right { border-color: #43aa8b; background: #d8f3dc; }
.kp-input.wrong { border-color: #e07a9e; background: #ffe5ec; }
.kp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.kp-grid button { padding: 16px 0; font-size: 22px; font-weight: 700; border-radius: 14px; border: none; background: #fff; box-shadow: 0 2px 0 #d9e2ee; cursor: pointer; font-family: inherit; }
.kp-grid button:active { transform: translateY(2px); box-shadow: none; }
.kp-grid .ok { background: linear-gradient(135deg, #ffb703, #fb8500); color: #fff; }

/* 答题宠物弹泡 */
.quiz-pet-pop { position: fixed; right: 12px; bottom: 90px; z-index: 60; display: flex; flex-direction: column; align-items: center; opacity: 0; transform: translateY(20px); transition: .25s; pointer-events: none; }
.quiz-pet-pop.show { opacity: 1; transform: none; }
.qpp-pet { width: 90px; }
.qpp-bubble { background: #fff; border: 2px solid #ffd166; border-radius: 14px; padding: 8px 14px; font-size: 14px; font-weight: 700; margin-bottom: 6px; position: relative; animation: popIn .3s; }
@keyframes popIn { from { transform: scale(.6); } to { transform: scale(1); } }

/* ---- 商店 ---- */
.shop h2 { font-size: 18px; margin-bottom: 8px; }
.shop-coins { float: right; background: #fff3d6; border: 2px solid #ffd166; border-radius: 12px; padding: 2px 10px; font-size: 14px; }
.shop-tip { font-size: 12px; color: #77839b; background: #f0f7ff; border-radius: 10px; padding: 8px 12px; margin-bottom: 14px; }
.goods-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.goods { background: #fff; border-radius: 16px; padding: 14px 10px; text-align: center; border: 2px solid #eef2f7; }
.goods.poor { opacity: .6; }
.g-icon { font-size: 34px; }
.g-name { font-weight: 700; margin: 4px 0 2px; }
.g-desc { font-size: 11px; color: #77839b; }
.g-own { font-size: 11px; color: #b08900; margin: 4px 0 6px; }
.pack-list { display: flex; flex-direction: column; gap: 10px; }
.pack-card { background: linear-gradient(135deg, #fffbe8, #fff); border: 2px solid #f2e8bd; border-radius: 16px; padding: 14px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pack-card b { font-size: 15px; }
.pack-card span { font-size: 12px; color: #77839b; flex: 1 1 100%; }

/* ---- 任务 ---- */
.tasks h2 { font-size: 17px; margin: 14px 0 10px; }
.task { display: flex; align-items: center; gap: 8px; background: #fff; border-radius: 12px; padding: 12px; margin-bottom: 8px; border: 2px solid #eef2f7; }
.task.done { border-color: #b7e4c7; background: #f0faf3; }
.t-icon { font-size: 20px; }
.t-name { font-size: 13px; width: 108px; }
.t-cur { font-size: 11px; color: #77839b; }
.t-reward { font-size: 12px; font-weight: 700; color: #b08900; }
.streak-box { text-align: center; background: #fff; border-radius: 16px; padding: 16px; }
.streak-num { font-size: 40px; font-weight: 800; color: #e8590c; margin-right: 4px; }
.streak-box p { font-size: 12px; color: #77839b; margin-top: 6px; }
.hist { display: flex; flex-wrap: wrap; gap: 8px; }
.hist-item { font-size: 11px; background: #fff; border: 2px solid #eef2f7; border-radius: 10px; padding: 5px 9px; color: #5a6a8a; }

/* ---- 家长页 ---- */
.parent h2 { font-size: 18px; margin-bottom: 12px; }
.parent h3 { font-size: 14px; margin: 16px 0 8px; color: #5a6a8a; }
.p-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.p-card { background: #fff; border-radius: 14px; padding: 12px 6px; text-align: center; border: 2px solid #eef2f7; }
.p-card b { display: block; font-size: 19px; color: #e76f51; }
.p-card span { font-size: 10px; color: #77839b; }
.chart { display: flex; align-items: flex-end; gap: 5px; background: #fff; border-radius: 14px; padding: 14px 10px 8px; min-height: 110px; overflow-x: auto; }
.bar-col { display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 30px; }
.bar-col i { width: 18px; background: linear-gradient(180deg, #48cae4, #0096c7); border-radius: 4px 4px 0 0; }
.bar-col span { font-size: 9px; color: #9aa7bd; white-space: nowrap; }
.m-vol { margin-bottom: 10px; }
.m-vol b { font-size: 12px; display: block; margin-bottom: 6px; }
.m-chip { display: inline-block; font-size: 10px; padding: 3px 7px; border-radius: 8px; margin: 2px; background: #eef2f7; color: #8a94a6; }
.m-chip.m1 { background: #ffe8cc; color: #9c4200; }
.m-chip.m2 { background: #d8f3dc; color: #2d6a4f; }
.m-chip.m3 { background: #b7e4c7; color: #1b4332; font-weight: 700; }
.m-chip.m4 { background: #43aa8b; color: #fff; font-weight: 700; }
.weak { display: flex; flex-wrap: wrap; gap: 8px; }
.w-chip { font-size: 12px; background: #ffe5ec; border: 2px solid #ffc9d9; color: #c9184a; border-radius: 12px; padding: 6px 11px; }
.w-chip i { font-style: normal; font-weight: 800; }
.p-actions { display: flex; gap: 10px; margin: 18px 0 10px; flex-wrap: wrap; }
.dim { color: #9aa7bd; }
.small { font-size: 11px; line-height: 1.6; }

/* ---- 引导 ---- */
.onboard { text-align: center; padding-top: 8vh; }
.onboard h2 { font-size: 22px; margin-bottom: 6px; }
.pet-cards { display: flex; gap: 12px; justify-content: center; margin-top: 26px; }
.pet-card { background: #fff; border: 3px solid #e3e8ef; border-radius: 20px; padding: 14px 10px 12px; cursor: pointer; font-family: inherit; transition: .15s; }
.pet-card:hover, .pet-card:active { border-color: #ffb703; transform: translateY(-4px); }
.pet-card .pet-svg { width: 86px; }
.pet-card span { display: block; font-weight: 700; margin-top: 6px; font-size: 14px; }

/* 解锁屏 */
.unlock h2 { margin-bottom: 12px; }
.pack.big { text-align: center; background: linear-gradient(135deg, #f4f0fd, #fff); border: 2px solid #e2d8f7; border-radius: 18px; padding: 22px 16px; }
.pack.big b { font-size: 19px; display: block; margin-bottom: 6px; }
.pack.big span { font-size: 13px; color: #77839b; display: block; margin-bottom: 10px; }
.price { color: #e76f51; font-weight: 800; margin-bottom: 12px; }

/* 模态框 */
.modal-wrap { position: fixed; inset: 0; background: rgba(43,58,85,.45); display: flex; align-items: center; justify-content: center; z-index: 100; opacity: 0; transition: .2s; }
.modal-wrap.show { opacity: 1; }
.modal-box { background: #fffdf7; border-radius: 22px; padding: 24px 20px; width: min(88vw, 400px); text-align: center; transform: scale(.8); transition: .2s; }
.modal-wrap.show .modal-box { transform: scale(1); }
.modal-box.wide { width: min(92vw, 500px); }
.result-box h2, .evolve-box h2 { font-size: 21px; margin-bottom: 10px; }
.result-stats { display: flex; justify-content: center; gap: 14px; font-size: 14px; color: #5a6a8a; margin-bottom: 8px; flex-wrap: wrap; }
.result-pet, .evolve-pet { width: 150px; margin: 0 auto 6px; }
.result-btns { display: flex; gap: 10px; justify-content: center; margin-top: 10px; }
.evolve-box p { font-size: 15px; margin-bottom: 12px; }

/* toast */
#toast { position: fixed; left: 50%; bottom: 110px; transform: translateX(-50%) translateY(16px); background: rgba(43,58,85,.92); color: #fff; font-size: 14px; padding: 10px 18px; border-radius: 20px; opacity: 0; transition: .25s; z-index: 200; pointer-events: none; max-width: 84vw; }
#toast.show { opacity: 1; transform: translateX(-50%); }

/* 窄屏适配 */
@media (max-width: 380px) {
  .p-grid { grid-template-columns: repeat(2, 1fr); }
  .q-text { font-size: 16px; }
  .pet-cards { gap: 8px; }
}

/* ============ v2 新增 ============ */

/* 宠物点击互动 */
.pet-stage { position: relative; cursor: pointer; }
.pet-hint { font-size: 11px; margin-top: -4px; opacity: .6; animation: hintFloat 2.4s ease-in-out infinite; }
@keyframes hintFloat { 0%,100% { transform: none; opacity: .45; } 50% { transform: translateY(-3px); opacity: .75; } }
.poke-bubble { position: absolute; left: 50%; top: 6px; transform: translate(-50%, 8px) scale(.7); background: #fff; border: 2.5px solid #ffd166; border-radius: 16px; padding: 8px 14px; font-size: 14px; font-weight: 700; white-space: nowrap; opacity: 0; transition: .22s cubic-bezier(.34,1.56,.64,1); pointer-events: none; z-index: 5; box-shadow: 0 3px 10px rgba(43,58,85,.15); }
.poke-bubble.show { opacity: 1; transform: translate(-50%, 0) scale(1); }
.poke-bubble::after { content: ''; position: absolute; left: 50%; bottom: -7px; transform: translateX(-50%); border: 7px solid transparent; border-top-color: #ffd166; border-bottom: 0; }
/* 互动动作 */
.ia-jump { animation: iaJump .8s cubic-bezier(.34,1.3,.64,1); }
@keyframes iaJump { 0%,100% { transform: none; } 30% { transform: translateY(-26px) rotate(-4deg); } 60% { transform: translateY(-6px) rotate(3deg); } }
.ia-wiggle { animation: iaWiggle .8s ease; }
@keyframes iaWiggle { 0%,100% { transform: none; } 20% { transform: rotate(-7deg) scale(1.03); } 45% { transform: rotate(6deg) scale(1.03); } 70% { transform: rotate(-4deg); } }
.ia-spin { animation: iaSpin .85s cubic-bezier(.45,.1,.35,1); }
@keyframes iaSpin { 0% { transform: rotate(0) scale(1); } 50% { transform: rotate(360deg) scale(1.08); } 100% { transform: rotate(360deg) scale(1); } }
.ia-shake { animation: iaShake .7s ease; }
@keyframes iaShake { 0%,100% { transform: none; } 15% { transform: translateX(-5px) rotate(-2deg); } 35% { transform: translateX(5px) rotate(2deg); } 55% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

/* 宠物 v2 新元素动画 */
.pet-halo { animation: haloPulse 2.6s ease-in-out infinite; }
@keyframes haloPulse { 0%,100% { opacity: .9; transform: none; } 50% { opacity: .5; transform: translateY(-3px); } }
.pet-spark { animation: sparkTwinkle 1.8s ease-in-out infinite; transform-origin: center; }
@keyframes sparkTwinkle { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .3; transform: scale(.55) rotate(30deg); } }
.pet-beak { transform-origin: 96px 96px; animation: beakTalk 3.4s ease-in-out infinite; }
@keyframes beakTalk { 0%,88%,100% { transform: none; } 92% { transform: rotate(-3deg); } 96% { transform: rotate(2deg); } }
.pet-whisker { animation: whiskerWave 3s ease-in-out infinite; transform-origin: left center; }
@keyframes whiskerWave { 0%,90%,100% { transform: none; } 95% { transform: rotate(2deg); } }

/* 地图:年级 + 册两级 */
.tabs { flex-wrap: wrap; }
.vtabs { display: flex; gap: 8px; margin-bottom: 12px; }
.vtab { flex: 1; padding: 8px; border: 2px solid #e3e8ef; background: #fff; border-radius: 10px; font-weight: 700; font-size: 13px; cursor: pointer; }
.vtab.on { background: linear-gradient(135deg, #48cae4, #0096c7); color: #fff; border-color: #0096c7; }

/* 统计表格与图表 */
.qv-table { margin: 6px auto; border-collapse: collapse; font-size: 16px; }
.qv-table th, .qv-table td { border: 2px solid #d9e2ee; padding: 6px 14px; min-width: 44px; text-align: center; border-radius: 6px; }
.qv-table th { background: #f0f7ff; }
.qv-chart { display: flex; align-items: flex-end; justify-content: center; gap: 18px; padding: 8px 0 4px; }
.qc-col { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.qc-bar { width: 34px; background: linear-gradient(180deg, #ffd166, #fb8500); border-radius: 6px 6px 0 0; }
.qc-col span { font-size: 20px; }
.qc-col b { font-size: 12px; color: #5a6a8a; }

/* 分数/竖式题排版 */
.qv-frac span { font-size: .55em; vertical-align: super; color: #77839b; }
.qv-eq { font-size: 24px; }
.qv-shape-box { display: inline-flex; flex-direction: column; align-items: center; gap: 6px; padding: 8px; }
.qv-shape-box > div { background: linear-gradient(135deg, #b7e4c7, #8ecae6); border: 3px solid #4a3546; border-radius: 4px; min-width: 24px; min-height: 24px; }
.qv-shape-box > span { font-size: 13px; color: #5a6a8a; }
.qv-ruler { font-family: monospace; font-size: 18px; letter-spacing: -1px; color: #5a6a8a; background: linear-gradient(#fff8e7, #ffe9b3); border-radius: 6px; padding: 8px 14px; border: 2px solid #e8c869; }

/* 4形态徽标色 */
#tb-stage[data-s="3"], .pet-caption { }