:root{--c-primary: #7B2D8E;--c-primary-light: #B85CB8;--c-pink: #E8A0BF;--c-pink-light: #FFD9EC;--c-yellow: #FFD93D;--c-green: #6BCB77;--c-red: #FF6B6B;--c-bg: #FFF5F9;--c-card: #FFFFFF;--c-text: #333333;--c-text-light: #999999;--c-border: #F0E0EC;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--shadow-sm: 0 2px 8px rgba(123, 45, 142, .1);--shadow-md: 0 4px 16px rgba(123, 45, 142, .15);--shadow-lg: 0 8px 32px rgba(123, 45, 142, .2);--transition: .25s cubic-bezier(.4, 0, .2, 1);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;user-select:none}html,body{width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--c-bg);color:var(--c-text);font-size:16px;-webkit-font-smoothing:antialiased}#app{width:100%;height:100%;position:relative;overflow:hidden}.screen{width:100%;height:100%;display:flex;flex-direction:column;position:relative;overflow:hidden;animation:screenFadeIn .3s ease}@keyframes screenFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.screen-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(20px + var(--safe-bottom))}.nav-bar{display:flex;align-items:center;justify-content:space-between;padding:calc(12px + var(--safe-top)) 16px 12px;background:var(--c-card);box-shadow:var(--shadow-sm);position:relative;z-index:10;flex-shrink:0}.nav-bar .nav-title{font-size:18px;font-weight:700;color:var(--c-primary);flex:1;text-align:center}.nav-bar .nav-btn{width:36px;height:36px;border-radius:50%;border:none;background:var(--c-pink-light);color:var(--c-primary);font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .15s}.nav-bar .nav-btn:active{transform:scale(.92)}.nav-bar .nav-spacer{width:36px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-lg);padding:14px 28px;font-size:16px;font-weight:700;cursor:pointer;transition:all var(--transition);min-height:48px;min-width:44px}.btn:active{transform:scale(.95)}.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));color:#fff;box-shadow:0 4px 12px rgba(123,45,142,.3)}.btn-pink{background:linear-gradient(135deg,#FF8AC4,var(--c-pink));color:#fff;box-shadow:0 4px 12px rgba(232,160,191,.4)}.btn-yellow{background:linear-gradient(135deg,#FFE066,var(--c-yellow));color:var(--c-text);box-shadow:0 4px 12px rgba(255,217,61,.4)}.btn-green{background:linear-gradient(135deg,#8FE098,var(--c-green));color:#fff;box-shadow:0 4px 12px rgba(107,203,119,.3)}.btn-outline{background:transparent;border:2px solid var(--c-primary);color:var(--c-primary)}.btn-block{width:100%}.btn-sm{padding:8px 16px;font-size:14px;min-height:36px;border-radius:var(--radius-md)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--c-card);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-sm);margin-bottom:12px}.card-clickable{cursor:pointer;transition:all var(--transition)}.card-clickable:active{transform:scale(.97);box-shadow:var(--shadow-md)}.coin-display{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,#fff3b0,#ffd93d);padding:6px 14px;border-radius:20px;font-weight:700;color:#b8860b;font-size:15px;box-shadow:0 2px 8px rgba(255,217,61,.3)}.coin-icon{display:inline-block;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#ffe066,#ffa000);border:2px solid #FF8F00;font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#ff8f00}.stars{display:inline-flex;gap:4px}.star{font-size:18px;color:#ddd;transition:color .3s}.star.filled{color:var(--c-yellow);animation:starPop .4s ease}@keyframes starPop{0%{transform:scale(0)}50%{transform:scale(1.3)}to{transform:scale(1)}}.egg-character{position:relative;display:inline-block;--egg-color: #FF6B9D}.egg-body{width:72px;height:80px;border-radius:50% 50% 48% 48%/53% 53% 47% 47%;position:relative;z-index:1;display:flex;align-items:center;justify-content:center;box-shadow:inset -9px -10px 18px rgba(0,0,0,.12),inset 6px 8px 14px rgba(255,255,255,.35),0 7px 14px rgba(0,0,0,.18);transition:all .3s}.egg-body:before{content:"";position:absolute;top:7%;left:20%;width:44%;height:30%;background:rgba(255,255,255,.55);border-radius:50% 50% 45% 45%;filter:blur(2px)}.egg-limb{position:absolute;background:var(--egg-color);z-index:0;box-shadow:inset -2px -2px 4px rgba(0,0,0,.14)}.egg-arm{top:56%;width:17px;height:17px;border-radius:50%}.egg-arm-left{left:-7px;transform:rotate(10deg)}.egg-arm-right{right:-7px;transform:rotate(-10deg)}.egg-leg{bottom:-6px;width:16px;height:20px;border-radius:9px 9px 7px 7px}.egg-leg-left{left:31%}.egg-leg-right{right:31%}.egg-face{display:flex;flex-direction:column;align-items:center}.egg-eyes{display:flex;gap:9px;margin-top:5px}.egg-eye{width:15px;height:18px;background:#2b2b2b;border-radius:50% 50% 48% 48%;position:relative;box-shadow:0 0 0 1px rgba(0,0,0,.12)}.egg-eye:after{content:"";position:absolute;top:2px;left:3px;width:5px;height:6px;background:#fff;border-radius:50%}.egg-mouth{width:11px;height:6px;border-radius:0 0 50% 50%;background:#ff6b6b;margin-top:5px}.egg-cheek{position:absolute;width:14px;height:9px;border-radius:50%;background:rgba(255,107,157,.35);top:50%}.egg-cheek.left{left:4%}.egg-cheek.right{right:4%}.egg-acc{position:absolute;z-index:3;pointer-events:none;line-height:1;filter:drop-shadow(0 2px 3px rgba(0,0,0,.15))}.egg-lg .egg-body{width:108px;height:120px}.egg-lg .egg-eye{width:22px;height:27px}.egg-lg .egg-eye:after{width:8px;height:9px;top:3px;left:5px}.egg-lg .egg-mouth{width:16px;height:9px}.egg-lg .egg-cheek{width:21px;height:13px}.egg-lg .egg-arm{width:25px;height:25px}.egg-lg .egg-arm-left{left:-10px}.egg-lg .egg-arm-right{right:-10px}.egg-lg .egg-leg{width:24px;height:30px}.egg-running{animation:eggRun .5s ease-in-out infinite alternate}@keyframes eggRun{0%{transform:translateY(0) rotate(-3deg)}to{transform:translateY(-8px) rotate(3deg)}}.egg-bounce{animation:eggBounce .8s ease-in-out infinite}@keyframes eggBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.option-card{background:var(--c-card);border:3px solid var(--c-border);border-radius:var(--radius-md);padding:16px;margin-bottom:10px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:12px;min-height:56px;font-size:16px}.option-card:active{transform:scale(.97)}.option-card.selected{border-color:var(--c-primary);background:var(--c-pink-light)}.option-card.correct{border-color:var(--c-green);background:#e8f5e9}.option-card.wrong{border-color:var(--c-red);background:#ffebee}.option-label{width:32px;height:32px;border-radius:50%;background:var(--c-pink-light);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.option-card.selected .option-label{background:var(--c-primary);color:#fff}.option-card.correct .option-label{background:var(--c-green);color:#fff}.option-card.wrong .option-label{background:var(--c-red);color:#fff}.option-text{flex:1}.option-result{font-size:20px;font-weight:800}.progress-bar{width:100%;height:8px;background:var(--c-pink-light);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--c-primary),var(--c-primary-light));border-radius:4px;transition:width .3s ease}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:100;animation:overlayFade .2s ease}@keyframes overlayFade{0%{opacity:0}to{opacity:1}}.modal{background:var(--c-card);border-radius:var(--radius-xl);padding:24px;width:88%;max-width:360px;text-align:center;animation:modalPop .3s ease}@keyframes modalPop{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.modal-icon{font-size:48px;margin-bottom:12px}.modal-title{font-size:20px;font-weight:800;color:var(--c-primary);margin-bottom:8px}.modal-desc{font-size:14px;color:var(--c-text-light);margin-bottom:20px;line-height:1.5}.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.8);color:#fff;padding:12px 24px;border-radius:20px;font-size:14px;z-index:200;animation:toastShow 2s ease;pointer-events:none}@keyframes toastShow{0%{opacity:0;transform:translate(-50%,-40%)}20%,80%{opacity:1;transform:translate(-50%,-50%)}to{opacity:0;transform:translate(-50%,-60%)}}.float-text{position:absolute;font-size:24px;font-weight:800;pointer-events:none;animation:floatUp 1.2s ease-out forwards}@keyframes floatUp{0%{opacity:1;transform:translateY(0) scale(.8)}to{opacity:0;transform:translateY(-60px) scale(1.3)}}.tag{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600}.tag-easy{background:#e8f5e9;color:#2e7d32}.tag-medium{background:#fff3e0;color:#e65100}.tag-hard{background:#ffebee;color:#c62828}.tag-race{background:#e3f2fd;color:#1565c0}.tag-survival{background:#fff8e1;color:#f57f17}.tag-boss{background:#fce4ec;color:#ad1457}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.input-field{width:100%;padding:14px 16px;border:2px solid var(--c-border);border-radius:var(--radius-md);font-size:16px;background:var(--c-bg);color:var(--c-text);transition:border-color .2s;outline:none}.input-field:focus{border-color:var(--c-primary);background:#fff}.level-node{display:flex;align-items:center;gap:12px;background:var(--c-card);border-radius:var(--radius-lg);padding:14px;margin-bottom:10px;box-shadow:var(--shadow-sm);transition:all var(--transition);position:relative}.level-node:active{transform:scale(.97)}.level-node.locked{opacity:.5;filter:grayscale(.8)}.level-node.completed{border:2px solid var(--c-green)}.level-node.boss{border:2px solid var(--c-red)}.level-icon{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}.level-info{flex:1}.level-name{font-size:15px;font-weight:700;color:var(--c-text);margin-bottom:4px}.level-desc{font-size:12px;color:var(--c-text-light)}.shop-item{background:var(--c-card);border-radius:var(--radius-lg);padding:12px;text-align:center;box-shadow:var(--shadow-sm);transition:all var(--transition);position:relative}.shop-item:active{transform:scale(.95)}.shop-item.owned{border:2px solid var(--c-green)}.shop-item.equipped{border:2px solid var(--c-yellow);background:#fffde7}.shop-item-emoji{font-size:40px;margin-bottom:8px}.shop-item-name{font-size:13px;font-weight:600;color:var(--c-text);margin-bottom:4px}.shop-item-price{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:700;color:#b8860b}.achievement-badge{text-align:center;padding:12px 8px;border-radius:var(--radius-md);background:var(--c-card);box-shadow:var(--shadow-sm);transition:all var(--transition)}.achievement-badge.unlocked{background:linear-gradient(135deg,#fff8e1,#ffecb3)}.achievement-badge.locked{opacity:.4;filter:grayscale(1)}.badge-icon{font-size:32px;margin-bottom:6px}.badge-name{font-size:11px;font-weight:700;color:var(--c-text);line-height:1.3}#gameCanvas{display:block;width:100%;height:100%}.game-container{position:relative;width:100%;height:100%;overflow:hidden}.game-hud{position:absolute;top:0;left:0;right:0;padding:calc(12px + var(--safe-top)) 16px 12px;z-index:5;pointer-events:none}.game-hud>*{pointer-events:auto}.hud-score{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.92);padding:6px 14px;border-radius:20px;font-weight:700;color:var(--c-primary);font-size:15px;box-shadow:var(--shadow-sm)}.hud-timer{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.92);padding:6px 14px;border-radius:20px;font-weight:700;font-size:15px;box-shadow:var(--shadow-sm)}.hud-timer.urgent{background:rgba(255,107,107,.9);color:#fff;animation:pulse .5s ease-in-out infinite alternate}@keyframes pulse{0%{transform:scale(1)}to{transform:scale(1.08)}}.hud-hearts{display:inline-flex;gap:4px;background:rgba(255,255,255,.92);padding:6px 12px;border-radius:20px;box-shadow:var(--shadow-sm)}.heart{font-size:20px;transition:all .3s}.heart.lost{filter:grayscale(1);opacity:.3;transform:scale(.7)}.question-panel{position:absolute;bottom:0;left:0;right:0;background:var(--c-card);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:20px 16px calc(20px + var(--safe-bottom));box-shadow:0 -4px 20px rgba(0,0,0,.1);z-index:5;max-height:60%;overflow-y:auto}.question-text{font-size:17px;font-weight:700;color:var(--c-text);line-height:1.5;margin-bottom:14px}.question-difficulty{display:inline-block;margin-bottom:8px}.fill-input{width:100%;padding:14px 16px;border:2px solid var(--c-border);border-radius:var(--radius-md);font-size:16px;background:var(--c-bg);color:var(--c-text);outline:none;margin-bottom:12px}.fill-input:focus{border-color:var(--c-primary);background:#fff}.map-bg{position:absolute;top:0;right:0;bottom:0;left:0;overflow-y:auto;-webkit-overflow-scrolling:touch;background:linear-gradient(180deg,#fff5f9,#ffe0f0);padding:80px 16px 100px}.map-unit{display:flex;align-items:center;gap:14px;background:var(--c-card);border-radius:var(--radius-xl);padding:16px;margin-bottom:16px;box-shadow:var(--shadow-sm);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.map-unit:active{transform:scale(.97)}.map-unit.locked{opacity:.5;filter:grayscale(.8)}.map-unit:before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px}.map-unit-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}.map-unit-info{flex:1}.map-unit-name{font-size:16px;font-weight:800;color:var(--c-text);margin-bottom:3px}.map-unit-desc{font-size:12px;color:var(--c-text-light);margin-bottom:6px}.map-unit-progress{display:flex;align-items:center;gap:8px}.map-unit-lock{font-size:24px}.bottom-nav{position:absolute;bottom:0;left:0;right:0;display:flex;background:var(--c-card);padding:10px 0 calc(10px + var(--safe-bottom));box-shadow:0 -3px 16px rgba(0,0,0,.12);border-top:2px solid var(--c-pink-light, rgba(0,0,0,.06));z-index:10}.tab-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;border:none;background:none;cursor:pointer;transition:all .2s;border-radius:14px;margin:0 4px}.tab-btn .tab-icon{font-size:28px;line-height:1;transition:transform .2s}.tab-btn .tab-label{font-size:13px;color:var(--c-text);font-weight:700}.tab-btn.active{background:var(--c-pink-light, rgba(255,99,147,.12))}.tab-btn.active .tab-icon{transform:scale(1.2) translateY(-2px)}.tab-btn.active .tab-label{color:var(--c-primary)}.tab-btn:active .tab-icon{transform:scale(.92)}.spinner{width:40px;height:40px;border:4px solid var(--c-pink-light);border-top-color:var(--c-primary);border-radius:50%;animation:spin .8s linear infinite;margin:20px auto}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:40px 20px}.empty-state .empty-icon{font-size:64px;margin-bottom:16px;opacity:.6}.empty-state .empty-text{font-size:15px;color:var(--c-text-light)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.flex-1{flex:1}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.text-center{text-align:center}.text-sm{font-size:13px}.text-lg{font-size:18px}.text-xl{font-size:22px}.font-bold{font-weight:700}.font-extrabold{font-weight:800}.text-primary{color:var(--c-primary)}.text-light{color:var(--c-text-light)}.text-green{color:var(--c-green)}.text-red{color:var(--c-red)}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.p-4{padding:16px}.w-full{width:100%}.hidden{display:none}.particle{position:absolute;pointer-events:none;border-radius:50%;animation:particleFly 1s ease-out forwards}@keyframes particleFly{0%{opacity:1;transform:translate(0) scale(1)}to{opacity:0;transform:translate(var(--tx),var(--ty)) scale(0)}}.boss-hp-container{position:absolute;top:calc(60px + var(--safe-top));left:50%;transform:translate(-50%);width:70%;z-index:5}.boss-hp-bar{width:100%;height:16px;background:rgba(0,0,0,.2);border-radius:8px;overflow:hidden;border:2px solid #fff}.boss-hp-fill{height:100%;background:linear-gradient(90deg,#ff5252,#d32f2f);border-radius:6px;transition:width .4s ease}.boss-name{text-align:center;font-size:14px;font-weight:800;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.5);margin-bottom:4px}