/* ===== 汉字闯关乐园 · 森林小动物主题 ===== */
:root{
  --paper:#FFF7E6;
  --paper2:#FFEFD0;
  --sky1:#CDEFFB; --sky2:#EAF8E6;
  --grass:#7FC24B; --grass-d:#5BA233;
  --leaf:#65C06A;
  --bark:#A9744F; --bark-d:#7A5234;
  --green:#3Fae62; --green-d:#2E9150;
  --sun:#FFD23F; --sun-d:#F4B400;
  --coral:#FF8A5B; --coral-d:#F4663B;
  --berry:#FF7AA2; --berry-d:#E85C88;
  --blue:#5BB8E8; --blue-d:#3A97C9;
  --ink:#4A3B2A; --ink-soft:#7A6A55;
  --ok:#46C97E; --bad:#FF8A6B;
  --r:26px;
  --shadow:0 8px 0 rgba(0,0,0,.10), 0 14px 26px rgba(80,60,30,.18);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-fun:"Chalkboard SE","Comic Sans MS","PingFang SC",sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;margin:0;}
body{
  font-family:var(--font-cn);
  color:var(--ink);
  overflow:hidden;
  background:linear-gradient(180deg,var(--sky1) 0%,var(--sky2) 46%,#Dff0c8 100%);
  user-select:none;-webkit-user-select:none;
  touch-action:manipulation;
}
#app{position:fixed;inset:0;overflow:hidden;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}

/* ---------- 通用屏幕 ---------- */
.screen{position:absolute;inset:0;display:flex;flex-direction:column;
  animation:screenIn .32s cubic-bezier(.2,.9,.3,1.2);}
@keyframes screenIn{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}

/* 远景装饰层 */
.scenery{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;}
.cloud{position:absolute;font-size:54px;opacity:.92;filter:drop-shadow(0 6px 4px rgba(0,0,0,.05));
  animation:drift 26s linear infinite;}
@keyframes drift{from{transform:translateX(-16vw)}to{transform:translateX(116vw)}}
.hill{position:absolute;left:-5%;right:-5%;border-radius:50% 50% 0 0;}
.hill.h1{bottom:0;height:30%;background:linear-gradient(180deg,#9BD45F,#7FC24B);}
.hill.h2{bottom:0;height:20%;background:linear-gradient(180deg,#8ACb4F,#6CB23B);left:-20%;right:40%;}
.hill.h3{bottom:0;height:23%;background:linear-gradient(180deg,#8ACb4F,#6CB23B);left:45%;right:-20%;}
.ground{position:absolute;left:0;right:0;bottom:0;height:14%;
  background:linear-gradient(180deg,#7FC24B,#5BA233);}

/* ---------- 顶栏 ---------- */
.topbar{position:relative;z-index:5;display:flex;align-items:center;gap:10px;
  padding:14px 16px;}
.tb-btn{width:58px;height:58px;border-radius:20px;background:#fff;
  box-shadow:0 5px 0 rgba(0,0,0,.12);font-size:26px;display:flex;align-items:center;
  justify-content:center;transition:transform .08s;}
.tb-btn:active{transform:translateY(3px);box-shadow:0 2px 0 rgba(0,0,0,.12);}
.tb-title{flex:1;text-align:center;font-family:var(--font-fun);font-weight:700;
  font-size:clamp(20px,4.6vw,30px);color:#fff;text-shadow:0 2px 0 var(--bark-d),0 4px 8px rgba(0,0,0,.18);
  letter-spacing:1px;}
.tb-stars{display:flex;align-items:center;gap:6px;background:#fff;border-radius:20px;
  padding:8px 16px;box-shadow:0 5px 0 rgba(0,0,0,.12);font-family:var(--font-fun);
  font-size:22px;font-weight:700;color:var(--sun-d);}
.tb-stars b{font-size:24px;}

/* ---------- 首页/地图 ---------- */
.map-wrap{position:relative;z-index:2;flex:1;overflow-y:auto;overflow-x:hidden;
  -webkit-overflow-scrolling:touch;padding:6px 0 40px;}
.map-path{position:relative;width:min(560px,94vw);margin:0 auto;padding:10px 0 60px;}
.node{position:relative;width:128px;margin:6px 0;display:flex;flex-direction:column;
  align-items:center;gap:4px;transition:transform .1s;}
.node:active{transform:scale(.94);}
.node-bubble{width:96px;height:96px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-size:42px;position:relative;
  background:radial-gradient(circle at 36% 30%,#fff,#FFE9B8);
  box-shadow:0 7px 0 var(--sun-d),0 12px 18px rgba(120,90,20,.25);
  border:5px solid #fff;}
.node.read .node-bubble{background:radial-gradient(circle at 36% 30%,#fff,#CFF0C2);box-shadow:0 7px 0 var(--green-d),0 12px 18px rgba(40,120,60,.22);}
.node.shizi .node-bubble{background:radial-gradient(circle at 36% 30%,#fff,#CDE9FB);box-shadow:0 7px 0 var(--blue-d),0 12px 18px rgba(40,90,140,.22);}
.node.garden .node-bubble{background:radial-gradient(circle at 36% 30%,#fff,#FFD9E6);box-shadow:0 7px 0 var(--berry-d),0 12px 18px rgba(160,60,100,.22);}
.node-num{position:absolute;top:-8px;left:-8px;background:#fff;color:var(--ink);
  font-family:var(--font-fun);font-weight:700;font-size:15px;min-width:30px;height:30px;
  border-radius:15px;display:flex;align-items:center;justify-content:center;padding:0 6px;
  box-shadow:0 3px 0 rgba(0,0,0,.12);}
.node-label{font-family:var(--font-fun);font-weight:700;font-size:17px;color:var(--ink);
  background:#fff;padding:3px 12px;border-radius:14px;box-shadow:0 3px 0 rgba(0,0,0,.10);}
.node-stars{display:flex;gap:2px;font-size:16px;height:18px;}
.node-stars .s{filter:grayscale(1);opacity:.35;}
.node-stars .s.on{filter:none;opacity:1;animation:pop .3s;}
.node.locked{filter:grayscale(.7);opacity:.6;}
.node.locked .node-bubble::after{content:"🔒";position:absolute;font-size:30px;
  background:rgba(255,255,255,.7);width:100%;height:100%;border-radius:50%;
  display:flex;align-items:center;justify-content:center;}
.node.done .node-bubble{animation:none;}
.node.current .node-bubble{animation:bob 1.4s ease-in-out infinite;}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.node-deco{position:absolute;font-size:30px;pointer-events:none;}

/* 蜿蜒小路连接点 */
.node:nth-child(odd){align-self:flex-start;margin-left:8%;}
.node:nth-child(even){align-self:flex-end;margin-right:8%;}

.map-banner{display:flex;align-items:center;gap:14px;width:min(560px,94vw);
  margin:4px auto 2px;background:rgba(255,255,255,.78);border-radius:24px;padding:12px 18px;
  box-shadow:var(--shadow);}
.map-banner .face{font-size:46px;}
.map-banner .msg{flex:1;font-size:16px;color:var(--ink);line-height:1.45;}
.map-banner .msg b{color:var(--coral-d);}

/* ---------- 关卡菜单 ---------- */
.center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:18px;z-index:2;position:relative;padding:10px 20px 30px;overflow-y:auto;}
.menu-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  width:min(540px,94vw);}
.act{position:relative;border-radius:var(--r);padding:22px 14px 18px;text-align:center;
  background:#fff;box-shadow:var(--shadow);transition:transform .1s;overflow:hidden;}
.act:active{transform:translateY(4px) scale(.98);}
.act .ic{font-size:50px;display:block;margin-bottom:6px;}
.act .nm{font-family:var(--font-fun);font-weight:700;font-size:20px;}
.act .sub{font-size:13px;color:var(--ink-soft);margin-top:2px;}
.act .ministars{margin-top:8px;font-size:16px;letter-spacing:2px;}
.act .ministars .s{filter:grayscale(1);opacity:.3;}
.act .ministars .s.on{filter:none;opacity:1;}
.act.disabled{opacity:.45;filter:grayscale(.6);pointer-events:none;}
.act::before{content:"";position:absolute;top:0;left:0;right:0;height:8px;}
.act.a-card::before{background:var(--green);}
.act.a-listen::before{background:var(--blue);}
.act.a-write::before{background:var(--coral);}
.act.a-word::before{background:var(--berry);}

.lesson-title{font-family:var(--font-fun);font-weight:700;font-size:clamp(24px,6vw,36px);
  color:var(--ink);text-align:center;}
.lesson-sub{font-size:15px;color:var(--ink-soft);text-align:center;margin-top:-8px;}

/* ---------- 大按钮 ---------- */
.bigbtn{font-family:var(--font-fun);font-weight:700;font-size:22px;color:#fff;
  background:var(--coral);padding:16px 30px;border-radius:24px;
  box-shadow:0 6px 0 var(--coral-d),0 10px 18px rgba(200,80,40,.3);transition:transform .08s;}
.bigbtn:active{transform:translateY(4px);box-shadow:0 2px 0 var(--coral-d);}
.bigbtn.green{background:var(--green);box-shadow:0 6px 0 var(--green-d),0 10px 18px rgba(40,140,70,.3);}
.bigbtn.blue{background:var(--blue);box-shadow:0 6px 0 var(--blue-d);}
.bigbtn.ghost{background:#fff;color:var(--ink);box-shadow:0 6px 0 rgba(0,0,0,.12);}

/* ---------- 认字卡片 ---------- */
.card-stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  z-index:2;position:relative;gap:14px;padding:6px 16px 16px;}
.flash{width:min(440px,90vw);background:#fff;border-radius:34px;box-shadow:var(--shadow);
  padding:18px 20px 22px;display:flex;flex-direction:column;align-items:center;gap:6px;
  position:relative;transition:transform .12s;}
.flash:active{transform:scale(.985);}
.flash .pinyin{font-family:var(--font-fun);font-size:clamp(26px,7vw,40px);color:var(--coral-d);
  font-weight:700;letter-spacing:1px;min-height:1.2em;}
.flash .hanzi{font-size:clamp(120px,38vw,210px);line-height:1.05;color:var(--ink);font-weight:600;}
.flash .speaker{position:absolute;top:16px;right:18px;font-size:30px;opacity:.7;}
.flash .words{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;min-height:30px;margin-top:4px;}
.chip{background:var(--paper2);color:var(--ink);border-radius:14px;padding:6px 14px;
  font-size:18px;box-shadow:0 3px 0 rgba(0,0,0,.08);}
.chip small{display:block;font-family:var(--font-fun);font-size:12px;color:var(--ink-soft);}
.flash .tap-tip{font-size:13px;color:var(--ink-soft);}
.card-nav{display:flex;align-items:center;gap:16px;z-index:2;}
.card-nav .arrow{width:66px;height:66px;border-radius:50%;background:#fff;font-size:30px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 5px 0 rgba(0,0,0,.12);}
.card-nav .arrow:active{transform:translateY(3px);}
.card-nav .arrow.dim{opacity:.4;pointer-events:none;}
.dots{display:flex;gap:5px;flex-wrap:wrap;justify-content:center;max-width:60vw;}
.dots .d{width:9px;height:9px;border-radius:50%;background:#fff;opacity:.55;}
.dots .d.on{background:var(--sun);opacity:1;transform:scale(1.3);}
.dots .d.learned{background:var(--green);opacity:1;}
.progresscount{font-family:var(--font-fun);font-weight:700;color:#fff;font-size:18px;
  text-shadow:0 2px 0 var(--bark-d);}

/* ---------- 选择题（听音找字 / 词语） ---------- */
.quiz{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;
  z-index:2;position:relative;gap:16px;padding:8px 16px 16px;overflow-y:auto;}
.quiz-prompt{background:#fff;border-radius:28px;box-shadow:var(--shadow);padding:18px 24px;
  text-align:center;min-width:min(360px,84vw);display:flex;flex-direction:column;align-items:center;gap:6px;}
.quiz-prompt .ask{font-size:16px;color:var(--ink-soft);}
.quiz-prompt .bigplay{width:96px;height:96px;border-radius:50%;background:var(--blue);
  color:#fff;font-size:46px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 0 var(--blue-d),0 10px 18px rgba(40,90,140,.3);animation:pulse 1.8s infinite;}
.quiz-prompt .bigplay:active{transform:translateY(4px);box-shadow:0 2px 0 var(--blue-d);}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
.quiz-prompt .wordmask{font-size:clamp(46px,13vw,84px);font-weight:600;letter-spacing:6px;color:var(--ink);}
.quiz-prompt .wordmask .blank{color:var(--coral);border-bottom:6px solid var(--coral);
  padding:0 .12em;animation:blink 1.1s infinite;}
@keyframes blink{50%{opacity:.4}}
.quiz-prompt .wpy{font-family:var(--font-fun);font-size:22px;color:var(--coral-d);font-weight:700;}

.choices{display:grid;gap:14px;width:min(440px,92vw);}
.choices.c2{grid-template-columns:repeat(2,1fr);}
.choices.c3{grid-template-columns:repeat(3,1fr);}
.choice{background:#fff;border-radius:24px;box-shadow:0 6px 0 rgba(0,0,0,.12),0 10px 16px rgba(80,60,30,.12);
  font-size:clamp(40px,11vw,68px);font-weight:600;color:var(--ink);
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;transition:transform .08s;}
.choice:active{transform:translateY(4px);box-shadow:0 2px 0 rgba(0,0,0,.12);}
.choice.right{background:#D9F8E4;box-shadow:0 6px 0 var(--ok);animation:rightpop .4s;}
.choice.wrong{background:#FFE0D6;box-shadow:0 6px 0 var(--bad);animation:shake .4s;}
.choice.fade{opacity:.35;pointer-events:none;}
@keyframes rightpop{0%{transform:scale(1)}40%{transform:scale(1.14)}100%{transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-6px)}80%{transform:translateX(6px)}}
.qbar{display:flex;align-items:center;gap:8px;font-family:var(--font-fun);font-weight:700;
  color:#fff;text-shadow:0 2px 0 var(--bark-d);font-size:18px;}
.qbar .pip{width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.5);}
.qbar .pip.ok{background:var(--ok);}
.qbar .pip.no{background:var(--bad);}

/* ---------- 描红写字 ---------- */
.write-stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  z-index:2;position:relative;gap:14px;padding:6px 16px 14px;}
.write-head{font-family:var(--font-fun);font-weight:700;font-size:22px;color:#fff;text-shadow:0 2px 0 var(--bark-d);}
.write-py{font-family:var(--font-fun);font-size:26px;color:var(--coral-d);font-weight:700;}
.writer-box{background:#fff;border-radius:30px;box-shadow:var(--shadow);padding:14px;position:relative;}
#writer-target{touch-action:none;}
.grid-bg{position:absolute;inset:14px;pointer-events:none;}
.write-tools{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}
.tool{background:#fff;border-radius:18px;padding:12px 18px;font-family:var(--font-fun);
  font-weight:700;font-size:17px;box-shadow:0 5px 0 rgba(0,0,0,.12);display:flex;align-items:center;gap:7px;}
.tool:active{transform:translateY(3px);box-shadow:0 2px 0 rgba(0,0,0,.12);}
.tool .ic{font-size:22px;}

/* ---------- 吉祥物 + 气泡 ---------- */
.mascot{position:fixed;left:14px;bottom:14px;z-index:30;display:flex;align-items:flex-end;gap:8px;
  pointer-events:none;}
.mascot .pet{font-size:64px;animation:bob 2.2s ease-in-out infinite;filter:drop-shadow(0 6px 6px rgba(0,0,0,.18));}
.mascot .speech{background:#fff;border-radius:18px;padding:10px 16px;box-shadow:var(--shadow);
  font-size:16px;max-width:60vw;position:relative;margin-bottom:18px;opacity:0;transform:translateY(8px) scale(.9);
  transition:.25s;}
.mascot .speech.show{opacity:1;transform:none;}
.mascot .speech::after{content:"";position:absolute;left:-9px;bottom:14px;border:8px solid transparent;
  border-right-color:#fff;}

/* ---------- 星星雨 / 庆祝 ---------- */
.fx-layer{position:fixed;inset:0;pointer-events:none;z-index:50;overflow:hidden;}
.confetti{position:absolute;font-size:28px;animation:fall linear forwards;}
@keyframes fall{from{transform:translateY(-10vh) rotate(0)}to{transform:translateY(110vh) rotate(540deg)}}
.bigstar{position:fixed;left:50%;top:42%;transform:translate(-50%,-50%) scale(0);font-size:140px;
  z-index:55;animation:bigstar 1s cubic-bezier(.2,1.4,.4,1) forwards;filter:drop-shadow(0 8px 14px rgba(0,0,0,.25));}
@keyframes bigstar{0%{transform:translate(-50%,-50%) scale(0) rotate(-40deg)}60%{transform:translate(-50%,-50%) scale(1.25) rotate(8deg)}100%{transform:translate(-50%,-50%) scale(1) rotate(0)}}

/* ---------- 通关结算 ---------- */
.result{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:18px;z-index:2;position:relative;padding:20px;}
.result .pet{font-size:96px;animation:bob 1.8s infinite;}
.result h2{font-family:var(--font-fun);font-size:34px;margin:0;color:var(--ink);}
.result .gotstars{font-size:60px;letter-spacing:6px;}
.result .gotstars .s{filter:grayscale(1);opacity:.3;display:inline-block;}
.result .gotstars .s.on{filter:none;opacity:1;animation:pop .5s backwards;}
.result .score{font-size:18px;color:var(--ink-soft);}
.result .btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
@keyframes pop{from{transform:scale(0)}to{transform:scale(1)}}

@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}

/* ---------- 启动屏 ---------- */
#splash{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:14px;background:linear-gradient(180deg,var(--sky1),#Dff0c8);z-index:99;}
.splash-tree{font-size:120px;animation:bob 1.6s ease-in-out infinite;}
.splash-title{font-family:var(--font-fun);font-weight:700;font-size:38px;color:var(--green-d);
  text-shadow:0 3px 0 #fff;}
.splash-tip{color:var(--ink-soft);font-size:16px;}
#splash.hide{opacity:0;pointer-events:none;transition:.4s;}

/* 游戏界面里给底部留出安全区，并在矮屏收起吉祥物，避免遮住被考的字词 */
.quiz,.write-stage,.card-stage{padding-bottom:92px;}
@media(max-height:820px){
  body.in-game .mascot{display:none;}
}

/* 小尺寸适配 */
@media(max-height:640px){
  .flash .hanzi{font-size:clamp(90px,30vw,150px);}
  .topbar{padding:8px 12px;}
}
/* 横屏（平板）适配 */
@media(orientation:landscape) and (max-height:560px){
  .menu-grid{grid-template-columns:repeat(4,1fr);}
}