:root{--cream:#fff6e2;--cream2:#ffefcf;--brown:#8c6b4b;--brown-dark:#5b3a29;--ink:#3b2f2a;--sky:#8fd3f4;--font:ui-rounded, "Yuanti SC", "Hiragino Maru Gothic ProN", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Nunito", "Varela Round", "Segoe UI", system-ui, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;font-family:var(--font);color:var(--ink);touch-action:none;background:#bfe6ff;margin:0;overflow:hidden}#c{width:100%;height:100%;display:block;position:fixed;inset:0}[hidden]{display:none!important}button{font-family:var(--font);cursor:pointer}.puffy{letter-spacing:.02em;margin:0;font-size:clamp(30px,6vw,64px);font-weight:900;line-height:1.15}.puffy span,.puffy-small span{-webkit-text-stroke:0;text-shadow:0 2px #fff,0 4px #78502840,0 8px 18px #50321440;animation:2.6s ease-in-out infinite bob;display:inline-block;transform:translateY(0)}.puffy span:nth-child(odd){animation-delay:-1.3s}@keyframes bob{0%,to{transform:translateY(0)rotate(-1deg)}50%{transform:translateY(-4px)rotate(1.5deg)}}.puffy-small{font-size:clamp(16px,2.2vw,24px);font-weight:900}.puffy-small span{text-shadow:0 1px #fff,0 2px #78502833,0 4px 10px #50321433;animation:none}#loader{z-index:50;background:radial-gradient(120% 90% at 50% 0,#b9e6ff 0%,#8fd3f4 45%,#d7f0a8 100%);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}#loader:before,#loader:after{content:"";opacity:.85;filter:blur(2px);background:#fff;border-radius:50%;width:220px;height:90px;animation:30s linear infinite drift;position:absolute;top:14%;left:8%;box-shadow:60px 20px 0 -10px #fff,120px -10px 0 -20px #fff}#loader:after{width:180px;height:70px;animation-duration:40s;animation-direction:reverse;top:22%;left:70%}@keyframes drift{0%{transform:translate(-10vw)}to{transform:translate(10vw)}}.loader-inner{text-align:center;background:var(--cream);border:6px solid #fff;border-radius:40px;width:92vw;max-width:760px;padding:28px 30px;position:relative;box-shadow:0 20px 60px #3c281440,inset 0 -8px #8c6b4b26}.subtitle{color:var(--brown);margin:14px 0 22px;font-size:clamp(14px,1.8vw,18px);font-weight:700}.bar{background:#eadbb9;border:3px solid #fff;border-radius:12px;height:22px;overflow:hidden;box-shadow:inset 0 2px 4px #0000001f}.bar-fill{background:linear-gradient(90deg,#f8a5c2,#ffd166,#8ee68a,#7ad0ff,#c9a5ff) 0 0/300% 100%;border-radius:12px;width:0%;height:100%;transition:width .25s;animation:2s linear infinite shimmer}@keyframes shimmer{to{background-position:300% 0}}.bar-text{color:var(--brown);margin:10px 0 18px;font-weight:700}.big-btn{color:#fff;letter-spacing:.04em;background:linear-gradient(#ffb457,#ff8a3d);border:none;border-radius:999px;padding:14px 40px;font-size:clamp(18px,2.4vw,26px);font-weight:900;transition:transform .1s,box-shadow .1s;box-shadow:0 6px #c9652a,0 12px 24px #c8642859}.big-btn:hover{transform:translateY(-2px)}.big-btn:active{transform:translateY(4px);box-shadow:0 2px #c9652a}.big-btn:disabled{opacity:.55;cursor:wait;filter:grayscale(.4)}.hints{color:var(--brown);flex-wrap:wrap;justify-content:center;gap:10px 18px;margin-top:22px;font-size:13px;font-weight:700;display:flex}#hud{z-index:10;pointer-events:none;position:fixed;inset:0}#hud>*{pointer-events:none}#hud button,#hud .card,#hud .joystick,#hud .book{pointer-events:auto}.top-left{top:max(12px, env(safe-area-inset-top));position:absolute;left:14px}.top-right{top:max(12px, env(safe-area-inset-top));position:absolute;right:14px}.bottom-right{right:14px;bottom:max(14px, env(safe-area-inset-bottom));flex-direction:column;gap:10px;display:flex;position:absolute}.chip{background:var(--cream);border:4px solid #fff;border-radius:999px;padding:8px 18px;box-shadow:0 6px 16px #3c281433,inset 0 -4px #8c6b4b26}.round-btn{background:var(--cream);border:4px solid #fff;border-radius:50%;width:54px;height:54px;font-size:26px;transition:transform .1s;box-shadow:0 6px 14px #3c281440,inset 0 -4px #8c6b4b26}.round-btn:active{transform:scale(.92)}.round-btn.on{background:#ffe08a}.book{background:var(--cream);border:4px solid #fff;border-radius:22px;max-width:250px;padding:8px 12px;box-shadow:0 6px 16px #3c281433,inset 0 -4px #8c6b4b26}.book-title{color:var(--brown-dark);text-align:center;margin-bottom:6px;font-size:14px;font-weight:900}.book-title span{color:#ff8a3d}.stickers{grid-template-columns:repeat(5,1fr);gap:5px;display:grid}.sticker{filter:grayscale()opacity(.45);background:#eadbb9;border:2px solid #fff;border-radius:12px;place-items:center;width:38px;height:38px;font-size:22px;transition:all .4s cubic-bezier(.34,1.56,.64,1);display:grid}.sticker.found{filter:none;background:#fff;transform:scale(1.08)rotate(-4deg);box-shadow:0 3px 8px #3c281433}.sticker.found.pop{animation:.6s cubic-bezier(.34,1.56,.64,1) pop}@keyframes pop{0%{transform:scale(.2)rotate(-30deg)}60%{transform:scale(1.35)rotate(6deg)}to{transform:scale(1.08)rotate(-4deg)}}.card{left:50%;bottom:max(18px, env(safe-area-inset-bottom));background:var(--cream);text-align:center;border:5px solid #fff;border-radius:28px;min-width:240px;padding:14px 26px 16px;animation:.45s cubic-bezier(.34,1.56,.64,1) cardin;position:absolute;transform:translate(-50%);box-shadow:0 12px 30px #3c281447,inset 0 -6px #8c6b4b26}@keyframes cardin{0%{opacity:0;transform:translate(-50%)translateY(60px)scale(.7)}}.card-arrow{border-bottom:18px solid #fff;border-left:14px solid #0000;border-right:14px solid #0000;width:0;height:0;position:absolute;top:-18px;left:50%;transform:translate(-50%)}.card-cn{color:var(--brown-dark);font-size:clamp(30px,5vw,44px);font-weight:900;line-height:1.1}.card-py{color:var(--brown);margin-top:2px;font-size:clamp(15px,2.2vw,20px);font-weight:700}.card-en{color:#ff7a2f;margin-top:2px;font-size:clamp(22px,3.4vw,32px);font-weight:900}.card-btns{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:10px;display:flex}.card-btns button{color:var(--brown-dark);background:#ffe08a;border:3px solid #fff;border-radius:999px;padding:6px 14px;font-size:14px;font-weight:900;box-shadow:0 4px #e0b84c}.card-btns button:active{transform:translateY(3px);box-shadow:0 1px #e0b84c}.card-btns button.speaking{background:#8ee68a;box-shadow:0 4px #5cb85c}.toast{color:#fff;white-space:nowrap;background:#5b3a29d9;border-radius:999px;padding:10px 20px;font-size:15px;font-weight:800;animation:.3s fadein;position:absolute;top:84px;left:50%;transform:translate(-50%)}.tour-banner{color:var(--brown-dark);background:#ffe08a;border:3px solid #fff;border-radius:999px;padding:8px 18px;font-weight:900;position:absolute;top:84px;left:50%;transform:translate(-50%);box-shadow:0 6px 14px #3c281433}@keyframes fadein{0%{opacity:0}}.joystick{left:22px;bottom:max(22px, env(safe-area-inset-bottom));position:absolute}.joy-base{background:#fff6e28c;border:4px solid #fffc;border-radius:50%;width:120px;height:120px;position:relative}.joy-knob{background:#ffb457;border:4px solid #fff;border-radius:50%;width:54px;height:54px;margin:-27px 0 0 -27px;position:absolute;top:50%;left:50%;box-shadow:0 4px 10px #3c28144d}#help,#celebrate{z-index:40;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#3c281459;place-items:center;display:grid;position:fixed;inset:0}.help-box,.celebrate-box{background:var(--cream);text-align:center;border:6px solid #fff;border-radius:34px;width:92vw;max-width:560px;padding:26px 32px;animation:.45s cubic-bezier(.34,1.56,.64,1) cardin2;box-shadow:0 20px 60px #3c28144d}@keyframes cardin2{0%{opacity:0;transform:translateY(40px)scale(.8)}}.help-box h2{color:var(--brown-dark);margin:0 0 12px}.help-box ul{text-align:left;margin:0 0 18px;padding-left:4px;list-style:none}.help-box li{color:var(--ink);margin:8px 0;font-size:15px;font-weight:700}.celebrate-box p{color:var(--brown);margin:14px 0 20px;font-size:18px;font-weight:800}@media (width<=720px){.book{max-width:190px;padding:6px 8px}.sticker{border-radius:9px;width:28px;height:28px;font-size:17px}.book-title{font-size:12px}.round-btn{width:46px;height:46px;font-size:22px}.top-left{display:none}.card{min-width:200px;padding:10px 18px 12px;top:200px;bottom:auto}.card-btns{gap:5px}.card-btns button{padding:5px 9px;font-size:12px}.hints{font-size:11px}}