:root{
  --sun:#ffd93d;
  --grass:#8ed573;
  --grass-dark:#5cb85c;
  --wood:#c88a4a;
  --wood-dark:#a56b33;
  --ink:#4a3b2f;
  --card:#fffdf6;
  --radius:26px;
  --shadow:0 10px 30px rgba(74,59,47,.14);
  --shadow-sm:0 4px 14px rgba(74,59,47,.10);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 18% 12%, rgba(255,217,61,.28), transparent 30%),
    radial-gradient(circle at 85% 20%, rgba(174,232,255,.7), transparent 38%),
    linear-gradient(180deg,#cdf0ff 0%,#eefcff 30%,#eafbe0 100%);
  min-height:100vh;
  overflow-x:hidden;
}

nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:6px;
  padding:10px 18px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  box-shadow:0 2px 14px rgba(74,59,47,.10);
  overflow-x:auto;
}
nav .logo{
  font-weight:800;font-size:18px;white-space:nowrap;text-decoration:none;color:var(--ink);
  background:linear-gradient(90deg,#ff9ec4,#ffb53d,#5cb85c);
  -webkit-background-clip:text;background-clip:text;
}
nav a{
  flex:0 0 auto;text-decoration:none;color:var(--ink);
  font-size:14px;font-weight:600;padding:7px 13px;border-radius:999px;
  background:#fff;border:2px solid transparent;transition:.2s;
}
nav a:hover{background:#fff6d8;border-color:var(--sun)}
nav a.cur{background:#fff3bf;border-color:var(--sun);color:#d9480f}
.mute-btn{
  margin-left:auto;flex:0 0 auto;border:none;cursor:pointer;
  font-size:18px;background:#fff;border-radius:999px;padding:6px 10px;
  box-shadow:var(--shadow-sm);
}

.hero{
  position:relative;text-align:center;padding:56px 20px 26px;overflow:hidden;
}
.hero h1{
  font-size:clamp(30px,5.4vw,52px);font-weight:900;line-height:1.2;
}
.hero h1 .c1{color:#f08c00}
.hero h1 .c2{color:#e64980}
.hero h1 .c3{color:#5b8def}
.hero .sub{
  margin-top:10px;font-size:clamp(15px,2.4vw,20px);font-weight:600;color:#7a675a;
}
.hero .badges{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:16px}
.hero .badge{
  background:#fff;border-radius:999px;padding:8px 16px;font-weight:700;
  box-shadow:var(--shadow-sm);font-size:14px;
}
.hero .badge b{font-size:16px}
.walkway{
  position:relative;height:120px;margin-top:10px;
  background:
    linear-gradient(180deg,transparent 52%,var(--grass) 52%,var(--grass-dark) 62%,transparent 62%);
}
.walkway .walker{position:absolute;bottom:14px;font-size:40px;animation:walk linear infinite}
.walkway .walker:nth-child(1){left:-80px;animation-duration:22s;animation-delay:0s}
.walkway .walker:nth-child(2){left:-80px;animation-duration:26s;animation-delay:4s}
.walkway .walker:nth-child(3){left:-80px;animation-duration:19s;animation-delay:9s}
.walkway .walker:nth-child(4){left:-80px;animation-duration:30s;animation-delay:1s}
.walkway .walker:nth-child(5){left:-80px;animation-duration:24s;animation-delay:6s}
.walkway .walker:nth-child(6){left:-80px;animation-duration:28s;animation-delay:12s}
@keyframes walk{
  0%{transform:translateX(0) translateY(0)}
  25%{transform:translateX(22vw) translateY(-6px)}
  50%{transform:translateX(46vw) translateY(0)}
  75%{transform:translateX(70vw) translateY(-6px)}
  100%{transform:translateX(100vw) translateY(0)}
}
.cloud{position:absolute;font-size:40px;opacity:.5;animation:drift linear infinite}
.cloud.c1{top:6px;left:8%;animation-duration:40s}
.cloud.c2{top:30px;left:70%;animation-duration:55s;font-size:30px}
.cloud.c3{top:0;left:40%;animation-duration:48s;font-size:26px}
@keyframes drift{from{transform:translateX(-8vw)}to{transform:translateX(108vw)}}

.page-hero{
  text-align:center;padding:44px 20px 8px;
}
.page-hero h1{font-size:clamp(28px,4.6vw,44px);font-weight:900}
.page-hero .sub{font-size:clamp(14px,2.2vw,18px);font-weight:600;color:#7a675a;margin-top:8px}
.page-hero .back{
  display:inline-block;margin-top:14px;text-decoration:none;color:#fff;font-weight:800;
  background:linear-gradient(135deg,#ffb53d,#f08c00);border-radius:999px;padding:9px 20px;
  box-shadow:var(--shadow-sm);font-size:14px;
}

section{max-width:960px;margin:0 auto;padding:26px 18px 8px}
.section-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:26px 24px;margin-bottom:30px;position:relative;
}
.section-title{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.section-title h2{font-size:clamp(20px,3.2vw,28px);font-weight:800}
.section-title .tag{
  font-size:12px;background:#fff3bf;color:#d9480f;font-weight:700;
  border-radius:999px;padding:4px 10px;
}
.lead{color:#7a675a;line-height:1.8;margin:8px 0 16px;font-size:15.5px}

.toc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:16px}
.toc-card{
  display:block;text-decoration:none;color:var(--ink);
  background:#fff;border-radius:22px;padding:20px 16px;box-shadow:var(--shadow-sm);
  border-top:8px solid;transition:transform .2s;position:relative;
}
.toc-card:hover{transform:translateY(-5px) scale(1.02)}
.toc-card .t-ico{font-size:42px;line-height:1.2}
.toc-card .t-name{font-weight:800;font-size:17px;margin-top:6px}
.toc-card .t-desc{font-size:13px;color:#9a8a78;font-weight:600;margin-top:4px;line-height:1.5}
.toc-card .stars{margin-top:6px;font-size:13px;letter-spacing:2px;color:#ffd93d}
.toc-card .t-go{
  display:inline-block;margin-top:10px;font-size:12px;font-weight:800;color:#fff;
  border-radius:999px;padding:5px 12px;
}
.toc-card .t-flag{
  position:absolute;top:12px;right:12px;font-size:11px;font-weight:800;color:#2b8a3e;
  background:#f1fbe9;border-radius:999px;padding:3px 8px;
}

.tut-box .tut-title{font-weight:800;font-size:18px;text-align:center;margin-bottom:6px}
.tut-art{
  min-height:130px;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  background:#fffdf2;border-radius:18px;border:3px dashed #ffe0a3;
  padding:16px;margin:12px 0;font-size:38px;
}
.tut-art.replay>*{animation:bobble .55s both}
.tut-art.replay>*:nth-child(2){animation-delay:.14s}
.tut-art.replay>*:nth-child(3){animation-delay:.28s}
.tut-art.replay>*:nth-child(4){animation-delay:.42s}
.tut-art.replay>*:nth-child(5){animation-delay:.56s}
.tut-art.replay>*:nth-child(6){animation-delay:.70s}
.tut-art.replay>*:nth-child(7){animation-delay:.84s}
.tut-art.replay>*:nth-child(8){animation-delay:.98s}
.tut-art .big-num{font-size:54px;font-weight:900;color:#e64980;white-space:nowrap}
.tut-art .mid-num{font-size:34px;font-weight:900;color:#f08c00;white-space:nowrap}
.tut-art .arrow{font-size:30px;color:#f08c00;font-weight:900}
.tut-art .eq-tag{
  background:#ffd43b;color:#8a5a00;font-weight:900;font-size:22px;
  border-radius:14px;padding:6px 16px;box-shadow:0 2px 8px rgba(0,0,0,.15);
}
.tut-art .mini svg{width:52px;height:auto;filter:drop-shadow(0 3px 4px rgba(0,0,0,.15))}
.tut-art .m-label{display:block;text-align:center;font-size:12px;font-weight:800;color:#7a675a;margin-top:4px}
.tut-art .hl{
  background:#ffd43b;border-radius:14px;padding:4px 12px;
  box-shadow:0 2px 8px rgba(0,0,0,.15);font-size:26px;
}
.tut-art .cage-mini{
  border:3px solid var(--wood-dark);background:#f4e3c6;border-radius:12px;
  padding:10px 12px;display:flex;gap:4px;flex-wrap:wrap;max-width:300px;
}
.tut-art .cage-mini svg{width:34px;height:auto}
.tut-text{
  font-size:16px;font-weight:700;line-height:1.9;text-align:center;min-height:54px;
  background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-sm);
}
.tut-text .step-tag{
  display:inline-block;background:#f08c00;color:#fff;border-radius:999px;
  padding:2px 10px;font-size:12px;margin-right:8px;
}
.tut-dots{display:flex;gap:6px;justify-content:center;margin-top:12px}
.tut-dots .dot{width:14px;height:14px;border-radius:50%;background:#ffe8b8;border:2px solid #ffd43b;transition:.2s}
.tut-dots .dot.on{background:#f08c00;border-color:#f08c00}
.tut-controls{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.tut-controls .btn{padding:10px 18px;font-size:14px}

.learn-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:14px}
.animal-card{
  background:#fff;border-radius:20px;padding:18px 14px;text-align:center;
  box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .2s;border:3px solid transparent;
  position:relative;
}
.animal-card:hover{transform:translateY(-4px)}
.animal-card.c-chicken{border-color:#ffe0a3}
.animal-card.c-rabbit{border-color:#ffc9dd}
.animal-card svg{width:110px;height:auto}
.animal-card .name{font-size:18px;font-weight:800;margin-top:6px}
.animal-card .legs{
  margin-top:6px;font-size:14px;font-weight:700;color:#fff;border-radius:999px;
  padding:5px 12px;display:inline-block;
}
.animal-card.c-chicken .legs{background:#f08c00}
.animal-card.c-rabbit .legs{background:#e64980}
.leg-anim{position:relative}
.leg-line{position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);font-size:20px;opacity:0;transition:.25s;letter-spacing:10px;color:#a56b33}
.leg-line.on{opacity:1;animation:bobble .5s}
@keyframes bobble{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-6px)}}

.quiz-panel{
  background:#fff;border-radius:20px;box-shadow:var(--shadow-sm);padding:18px;text-align:center;
  border:3px solid #d0e1ff;margin-top:14px;
}
.quiz-q{font-size:19px;font-weight:800;line-height:1.7}
.quiz-q svg{width:52px;height:auto;vertical-align:middle}
.quiz-options{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.quiz-opt{
  border:none;cursor:pointer;font-family:inherit;font-weight:800;font-size:18px;
  background:#fff;border:3px solid #d8c9a8;border-radius:16px;padding:14px 22px;
  box-shadow:var(--shadow-sm);transition:.15s;
}
.quiz-opt:hover{transform:translateY(-3px);border-color:var(--sun)}
.quiz-opt.right{background:#f1fbe9;border-color:var(--grass-dark)}
.quiz-opt.wrong{background:#ffe3e3;border-color:#fa5252}
.quiz-bar{display:flex;gap:8px;justify-content:center;margin-top:14px;font-weight:800;color:#7a675a;font-size:14px}

.game-box{margin-top:16px}
.game-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.game-head .score{display:flex;gap:10px;flex-wrap:wrap}
.score-chip{
  background:#fff;border:2px dashed #d8c9a8;border-radius:14px;padding:8px 16px;
  font-weight:800;font-size:17px;text-align:center;min-width:96px;
}
.score-chip .label{display:block;font-size:12px;color:#9a8a78;font-weight:700}
.score-chip .val{color:#d9480f;font-size:22px;line-height:1.1;display:inline-block;min-width:24px}
.score-chip.ok{border-style:solid;border-color:var(--grass);background:#f1fbe9}
.score-chip.ok .val{color:var(--grass-dark)}
.cage{
  min-height:190px;border-radius:24px;padding:18px;
  background:
    linear-gradient(rgba(139,101,56,.05),rgba(139,101,56,.05)),
    repeating-linear-gradient(90deg,#f4e3c6 0 14px,#ecdcbb 14px 16px);
  border:4px solid var(--wood-dark);
  position:relative;
  display:flex;flex-wrap:wrap;gap:6px;align-content:flex-start;align-items:flex-start;
  transition:border-color .3s, background .3s;
}
.cage.hover{border-color:var(--sun);background:rgba(255,217,61,.14)}
.cage .placeholder{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#b8a183;font-weight:700;gap:6px;pointer-events:none;text-align:center;padding:0 16px;
}
.cage .placeholder .icon{font-size:44px;animation:bobble 1.6s infinite}
.cage .animal{
  width:74px;position:relative;cursor:pointer;animation:pop-in .3s;
  display:flex;flex-direction:column;align-items:center;
}
.cage .animal svg{width:74px;height:auto;filter:drop-shadow(0 3px 4px rgba(0,0,0,.12));transition:.15s}
.cage .animal:hover svg{transform:scale(1.12)}
.cage .animal .x{
  position:absolute;top:-4px;right:-4px;width:20px;height:20px;border-radius:50%;
  background:#fa5252;color:#fff;font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;opacity:0;transition:.2s;
}
.cage .animal:hover .x{opacity:1}
@keyframes pop-in{0%{transform:scale(0)}80%{transform:scale(1.12)}100%{transform:scale(1)}}

.source-row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:18px 0 6px}
.source-item{
  background:#fff;border-radius:20px;box-shadow:var(--shadow-sm);padding:12px 18px;
  text-align:center;cursor:grab;user-select:none;touch-action:none;
  border:3px solid transparent;transition:.2s;position:relative;
}
.source-item:hover{transform:translateY(-4px)}
.source-item.grabbing{opacity:.35;transform:scale(.95)}
.source-item .s-ico{display:flex;justify-content:center}
.source-item svg{width:78px;height:auto;pointer-events:none}
.source-item .s-name{font-weight:800;font-size:16px}
.source-item .s-legs{font-size:12px;font-weight:700;color:#fff;border-radius:999px;padding:3px 10px;display:inline-block;margin-top:3px}
.source-item .s-count{position:absolute;top:8px;right:10px;font-size:12px;font-weight:800;color:#9a8a78}
.source-item[data-kind="chicken"]{border-color:#ffe0a3}
.source-item[data-kind="rabbit"]{border-color:#ffc9dd}
.source-item[data-kind="bike"]{border-color:#d0e1ff}
.source-item[data-kind="trike"]{border-color:#e2d3ff}
.source-item[data-kind="spider"]{border-color:#d4d8dc}
.source-item[data-kind="dragonfly"]{border-color:#c0ece6}
.source-item[data-kind="coin5"]{border-color:#e3e8ee}
.source-item[data-kind="coin1"]{border-color:#ffe9a8}

.drag-ghost{
  position:fixed;pointer-events:none;z-index:999;transform:translate(-50%,-50%) scale(1.15);
  filter:drop-shadow(0 8px 14px rgba(0,0,0,.25));transition:none;
}
.drag-ghost svg{width:88px;height:auto}

.game-actions{display:flex;gap:12px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.btn{
  border:none;cursor:pointer;font-weight:800;font-size:16px;
  border-radius:999px;padding:13px 26px;color:#fff;box-shadow:var(--shadow-sm);
  transition:transform .15s;font-family:inherit;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,#ffb53d,#f08c00)}
.btn-ghost{background:linear-gradient(135deg,#8ce3c7,#5cb85c)}
.btn-purple{background:linear-gradient(135deg,#9b8cf6,#8a63d2)}
.btn-pink{background:linear-gradient(135deg,#ff9ec4,#e64980)}
.btn-teal{background:linear-gradient(135deg,#4fd1c5,#2bb3a3)}
.btn-gray{background:#adb5bd}
.target-panel{
  display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;
  background:#fff8e1;border:3px dashed #ffd93d;border-radius:20px;padding:14px;
  margin-bottom:16px;
}
.target-panel .t-ico{font-size:34px}
.target-panel .t-txt{font-weight:800;font-size:17px;text-align:center;line-height:1.5}
.target-panel .t-txt b{color:#d9480f;font-size:22px}

.result-pop{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(74,59,47,.35);backdrop-filter:blur(4px);
}
.result-pop.show{display:flex}
.result-pop .box{
  background:#fff;border-radius:30px;padding:36px 40px;text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.3);animation:pop-in .4s;max-width:92vw;
}
.result-pop .box .big{font-size:52px}
.result-pop .box h3{font-size:26px;margin:10px 0 6px}
.result-pop .box p{color:#7a675a;font-size:15px;line-height:1.7}
.confetti{position:fixed;top:-20px;width:12px;height:18px;z-index:201;pointer-events:none;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:.8}}

.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:14px}
.tip-card{
  background:#fff;border-radius:18px;padding:16px;box-shadow:var(--shadow-sm);
  border-top:6px solid;
}
.tip-card .t{font-weight:800;font-size:16px;margin-bottom:8px}
.tip-card p{font-size:14px;font-weight:600;color:#6b5b4c;line-height:1.7}

.topic-q{
  background:#fff9ec;border:3px dashed #ffd93d;border-radius:20px;padding:18px 20px;
  font-size:16.5px;line-height:1.9;font-weight:600;text-align:center;
}
.topic-q b{color:#d9480f;font-size:19px}
.steps-cards{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.step-card{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border-radius:16px;
  padding:14px 16px;box-shadow:var(--shadow-sm);border-left:6px solid #ffb53d;
}
.step-card:nth-child(2){border-left-color:#ff9ec4}
.step-card:nth-child(3){border-left-color:#5b8def}
.step-card:nth-child(4){border-left-color:#5cb85c}
.step-card:nth-child(5){border-left-color:#2bb3a3}
.step-card .sc-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:#ffb53d;color:#fff;
  font-weight:900;font-size:17px;display:flex;align-items:center;justify-content:center;
}
.step-card:nth-child(2) .sc-num{background:#ff9ec4}
.step-card:nth-child(3) .sc-num{background:#5b8def}
.step-card:nth-child(4) .sc-num{background:#5cb85c}
.step-card:nth-child(5) .sc-num{background:#2bb3a3}
.step-card .sc-body{flex:1}
.step-card .sc-title{font-weight:800;font-size:16px}
.step-card .sc-text{font-size:14px;font-weight:600;color:#6b5b4c;line-height:1.7;margin-top:3px}
.extra-banner{
  display:flex;align-items:center;gap:10px;background:#eaf6ff;border:3px dashed #5b8def;
  border-radius:16px;padding:10px 14px;font-weight:800;color:#1971c2;font-size:15px;margin-bottom:12px;
}
.extra-banner .stars{color:#ffd93d;letter-spacing:2px;font-size:13px;margin-left:auto;white-space:nowrap}

.bal-question{text-align:center;font-weight:800;font-size:17px;background:#fff9ec;border-radius:16px;padding:12px;margin-bottom:12px;line-height:1.7}
.bal-stage{position:relative;background:linear-gradient(180deg,#eefcff,#eafbe0);border-radius:20px;padding:14px;max-width:540px;margin:0 auto}
.bal-svg{width:100%;display:block}
.balance-drop{
  position:absolute;right:2%;top:26%;width:46%;height:52%;
  border:3px dashed transparent;border-radius:18px;transition:.2s;
}
.balance-drop.hover{background:rgba(255,217,61,.25);border-color:#ffd93d}
.bal-hint{text-align:center;font-weight:800;font-size:16px;color:#e8590c;margin-top:10px;min-height:24px}
.bal-hint.ok{color:#2b8a3e}
.bal-hint.warn{color:#e8590c}

.wardrobe-layout{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:start;margin-top:8px}
.ward-col{text-align:center}
.ward-col h4{font-size:16px;font-weight:800;margin-bottom:10px}
.ward-items{display:flex;flex-direction:column;gap:10px;align-items:center}
.ward-item{
  background:#fff;border-radius:16px;box-shadow:var(--shadow-sm);padding:10px 16px;
  cursor:grab;user-select:none;touch-action:none;border:3px solid transparent;width:150px;
  transition:.2s;
}
.ward-item:hover{transform:translateY(-3px)}
.ward-item.grabbing{opacity:.35;transform:scale(.95)}
.ward-item .w-swatch{height:26px;border-radius:8px;margin-bottom:6px;border:2px solid rgba(0,0,0,.08)}
.ward-item .w-name{font-weight:800;font-size:14px}
.doll-col{display:flex;flex-direction:column;align-items:center;gap:8px}
.doll-wrap{
  position:relative;background:linear-gradient(180deg,#d6f2ff,#cdeec9);border-radius:20px;
  padding:12px;box-shadow:var(--shadow-sm);min-height:200px;transition:.2s;
  display:flex;align-items:center;justify-content:center;
}
.doll-wrap.hover{box-shadow:0 0 0 4px #ffd93d}
.doll-svg{width:118px;height:auto;display:block}
.doll-tip{font-size:12.5px;font-weight:700;color:#7a675a;max-width:220px;text-align:center;line-height:1.5}
.outfit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.outfit-cell{
  background:#fff;border:2px dashed #d8c9a8;border-radius:14px;padding:10px;
  text-align:center;font-weight:800;color:#b8a183;min-height:76px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:.2s;
}
.outfit-cell.found{border-style:solid;border-color:#8ce3c7;background:#f1fbe9;color:#2b8a3e;animation:pop-in .3s}
.outfit-cell .o-pair{display:flex;gap:4px}
.outfit-cell .o-block{width:28px;height:22px;border-radius:6px;border:2px solid rgba(0,0,0,.12)}
.outfit-cell .o-num{font-size:12px}
@media(max-width:640px){.wardrobe-layout{grid-template-columns:1fr}.doll-col{order:-1}}

.tree-question{text-align:center;font-weight:800;font-size:16px;background:#eafbe0;border-radius:16px;padding:12px;margin-bottom:12px;line-height:1.7}
.tree-stage{
  position:relative;background:linear-gradient(180deg,#d6f2ff,#cdeec9);border-radius:20px;
  padding:24px 16px 40px;max-width:640px;margin:0 auto;
}
.tree-road{
  position:relative;height:74px;border-radius:14px;
  background:linear-gradient(180deg,#f2d9b3,#e6c08a);
  border:3px solid #b98a4e;transition:border-color .2s, box-shadow .2s;
}
.tree-road.hover{border-color:#ffd93d;box-shadow:0 0 0 4px rgba(255,217,61,.4)}
.tree-road::after{
  content:"";position:absolute;left:4%;right:4%;top:50%;
  height:4px;background:#a97e46;border-radius:4px;transform:translateY(-50%);
}
.tree-mark{
  position:absolute;top:50%;transform:translate(-50%,-50%);
  width:14px;height:14px;border-radius:50%;background:#e8590c;border:3px solid #fff;
  box-shadow:0 1px 4px rgba(0,0,0,.3);z-index:2;
}
.tree-mark.start,.tree-mark.end{background:#5c940d;width:17px;height:17px}
.tree-mark .m-label{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);
  font-size:12px;font-weight:800;color:#2b8a3e;white-space:nowrap;
}
.sapling{
  position:absolute;transform:translateX(-50%);z-index:3;cursor:pointer;
  animation:pop-in .25s;
}
.sapling svg{width:36px;height:auto;filter:drop-shadow(0 3px 3px rgba(0,0,0,.2))}
.sapling:hover svg{transform:scale(1.15)}
.tree-hint{text-align:center;font-weight:800;font-size:15px;color:#2b8a3e;margin-top:12px;min-height:22px}
.tree-hint.warn{color:#e8590c}

footer{text-align:center;padding:30px 20px 44px;color:#8a7a68;font-weight:600;font-size:13.5px}

@media (max-width:560px){
  .source-item svg{width:60px}
  .cage .animal,.cage .animal svg{width:60px}
  .score-chip{min-width:84px}
}

/* ---- 新题型共用组件 ---- */
.bar-wrap{display:flex;flex-direction:column;gap:8px;align-items:center}
.bar{
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#ff9ec4,#e64980);color:#fff;font-weight:800;
  border-radius:12px;padding:8px 10px;font-size:15px;min-height:38px;
}
.bar.bar2{background:linear-gradient(180deg,#8ce3c7,#5cb85c)}

.dual-stage{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}
.dual-drop{
  position:relative;min-height:150px;border-radius:20px;
  background:linear-gradient(180deg,#eaf6ff,#dbe9ff);
  border:3px dashed #5b8def;padding:12px;transition:.2s;
  display:flex;flex-wrap:wrap;gap:4px;align-content:flex-start;justify-content:center;
}
.dual-drop.hover{border-color:#ffd93d;box-shadow:0 0 0 4px rgba(255,217,61,.4)}
.dual-drop .placeholder{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:8px;color:#7a9cc9;font-weight:800;font-size:15px;pointer-events:none;
}
.dual-drop .placeholder .icon{font-size:44px;animation:bobble 1.6s infinite}
.dual-apple{width:34px;flex:0 0 auto;cursor:pointer;transition:.15s;animation:pop-in .2s}
.dual-apple svg{width:34px;height:auto}
.dual-apple:hover{transform:scale(1.15)}
.dual-apple.small{width:24px}
.dual-apple.small svg{width:24px;height:auto}
.dual-clear{
  position:absolute;bottom:8px;right:10px;font-size:11px;font-weight:800;color:#5b8def;
  background:#fff;border:2px solid #5b8def;border-radius:999px;padding:2px 8px;cursor:pointer;
}
.dual-clear:hover{background:#5b8def;color:#fff}
@media(max-width:560px){.dual-stage{grid-template-columns:1fr}}

.age-stage{background:linear-gradient(180deg,#eefcff,#eafbe0);border-radius:20px;padding:16px;max-width:640px;margin:0 auto}
.age-now{text-align:center;font-weight:800;font-size:15px;background:#fff9ec;border-radius:12px;padding:8px;margin-bottom:10px;color:#7a675a}
.age-range{width:100%;accent-color:#5b8def;height:34px;cursor:pointer}
.age-people{display:flex;justify-content:space-around;gap:10px;margin-top:12px}
.age-person{
  display:flex;flex-direction:column;align-items:center;gap:6px;font-size:52px;
  background:#fff;border-radius:18px;padding:14px 20px;box-shadow:var(--shadow-sm);min-width:120px;
}
.age-person b{font-size:15px;color:#7a675a}
.age-person em{font-style:normal;font-weight:900;font-size:17px;color:#d9480f}
.age-hint{text-align:center;font-weight:800;font-size:15px;color:#2b8a3e;margin-top:12px;min-height:22px}

.yk-stage{
  display:grid;grid-template-columns:repeat(5,1fr);gap:8px;
  background:linear-gradient(180deg,#eafbe0,#d6f2ff);border-radius:20px;padding:14px;max-width:680px;margin:0 auto;
  border:3px dashed #5cb85c;transition:.2s;min-height:120px;
}
.yk-stage.hover{border-color:#ffd93d;box-shadow:0 0 0 4px rgba(255,217,61,.4)}
.yk-kid{
  background:#fff;border-radius:14px;padding:8px;display:flex;flex-direction:column;
  align-items:center;gap:6px;cursor:pointer;box-shadow:var(--shadow-sm);transition:.15s;
}
.yk-kid:hover{transform:translateY(-3px)}
.yk-face{font-size:34px}
.yk-plate{min-height:64px;display:flex;flex-wrap:wrap;gap:2px;justify-content:center;align-content:center}
.yk-plate .yk-empty{color:#c5b89a;font-weight:800;font-size:18px}
.yk-num{font-size:12px;font-weight:800;color:#7a675a}
.yk-toolbar{display:flex;gap:10px;justify-content:center;margin-top:12px;flex-wrap:wrap}
@media(max-width:560px){.yk-stage{grid-template-columns:repeat(3,1fr)}}

.gy-stage{background:linear-gradient(180deg,#fff9ec,#fff3d6);border-radius:20px;padding:16px;max-width:640px;margin:0 auto}
.gy-desk{text-align:center;font-weight:800;font-size:16px;background:#ffb53d;color:#fff;border-radius:14px;padding:10px;margin-bottom:12px;line-height:1.6}
.gy-desk b{color:#fff}
.gy-drop{
  min-height:120px;border-radius:18px;border:3px dashed #ffd93d;background:#fff;
  display:flex;flex-wrap:wrap;gap:4px;align-content:flex-start;justify-content:center;padding:12px;transition:.2s;
}
.gy-drop.hover{border-color:#f08c00;box-shadow:0 0 0 4px rgba(255,179,71,.4)}
.gy-drop .placeholder{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;color:#d9b25c;font-weight:800;font-size:15px;pointer-events:none;
}
.gy-drop .placeholder .icon{font-size:44px;animation:bobble 1.6s infinite}
.gy-more{font-size:22px;font-weight:900;color:#e6a23c;align-self:center}

.zq-stage{background:linear-gradient(180deg,#d6f2ff,#fff3d6);border-radius:20px;padding:16px;max-width:680px;margin:0 auto}
.zq-pole{
  position:relative;min-height:110px;border-radius:16px;background:#fff;
  border:3px dashed #8a6a3b;display:flex;flex-wrap:wrap;gap:6px;align-items:flex-end;padding:10px;transition:.2s;
}
.zq-pole.hover{border-color:#ffd93d;box-shadow:0 0 0 4px rgba(255,217,61,.4)}
.zq-pole .placeholder{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;color:#b8a183;font-weight:800;font-size:15px;pointer-events:none;
}
.zq-pole .placeholder .icon{font-size:44px;animation:bobble 1.6s infinite}
.zq-flag{
  position:relative;font-size:34px;cursor:pointer;animation:pop-in .2s;
  filter:drop-shadow(0 2px 3px rgba(0,0,0,.18));
}
.zq-flag:hover{transform:scale(1.15)}
.zq-flag i{
  position:absolute;bottom:-16px;left:50%;transform:translateX(-50%);
  font-style:normal;font-size:10.5px;font-weight:800;color:#8a6a3b;
}
.zq-flag.hit{animation:big-hit .5s}
@keyframes big-hit{0%{transform:scale(1)}40%{transform:scale(1.5) rotate(12deg)}100%{transform:scale(1)}}

.cz-quiz{display:flex;flex-direction:column;gap:10px;margin:8px auto 14px;max-width:560px}
.cz-line{
  background:#fff;border-radius:14px;padding:12px 16px;font-weight:800;font-size:16px;
  box-shadow:var(--shadow-sm);text-align:center;line-height:1.6;
}
.cz-wrong{color:#e8590c}
.cz-right{color:#2b8a3e}
.cz-options{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cz-opt{font-size:20px;padding:14px 26px;min-width:90px}
.cz-opt.right{background:linear-gradient(135deg,#8ce3c7,#5cb85c);animation:pop-in .3s}
.cz-opt.wrong{background:linear-gradient(135deg,#ff9ec4,#e64980);animation:shake .4s}
.cz-hint{text-align:center;font-weight:800;font-size:15px;color:#7a675a;margin-top:12px;min-height:22px}
.flag-row{display:flex;gap:6px;justify-content:center}
.flag{font-size:40px;animation:bobble 1.6s infinite}
.flag.f1{animation-delay:0s}.flag.f2{animation-delay:.2s}.flag.f3{animation-delay:.4s}