:root{--gold: #D4AF37;--gold-dark: #AA8010;--jade: #2E8B57;--jade-light: #3CB371;--purple: #8A2BE2;--cyan: #00CED1;--orange: #FF8C00;--ink-dark: #0f171e;--ink-mid: #1a2a22;--text-main: #E0E0E0;--glass-bg: rgba(26, 42, 34, .85);--glass-border: 1px solid rgba(212, 175, 55, .3);--glow-shadow: 0 0 20px rgba(212, 175, 55, .15)}*{box-sizing:border-box;margin:0;padding:0;font-family:PingFang SC,Microsoft YaHei,serif}body{background-color:var(--ink-dark);color:var(--text-main);overflow:hidden}.app-container{display:flex;flex-direction:column;height:100vh;max-width:600px;margin:0 auto;position:relative;background-size:cover;background-position:center}.bg-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to bottom,#0f171eb3,#1a2a22f2);z-index:0}.top-bar{position:relative;z-index:10;display:flex;flex-direction:column;gap:10px;padding:15px 20px;background:linear-gradient(180deg,rgba(0,0,0,.8),transparent);border-bottom:1px solid rgba(212,175,55,.2)}.cloud-sync{display:flex;align-items:center;gap:6px;font-size:.85rem;color:#aaa}.resource-panel{display:flex;justify-content:space-between;background:#0006;padding:10px 15px;border-radius:12px;border:var(--glass-border);box-shadow:inset 0 0 10px #00000080}.res-item{display:flex;align-items:center;gap:6px;font-weight:700;font-family:monospace;font-size:1.1rem}.text-gold{color:var(--gold)}.text-green{color:var(--jade-light)}.text-cyan{color:var(--cyan)}.text-purple{color:plum}.text-orange{color:var(--orange)}.text-muted{color:#999}.text-sm{font-size:.85rem}.text-center{text-align:center}.mt-1{margin-top:5px}.mt-2{margin-top:10px}.mt-4{margin-top:20px}.mt-10{margin-top:40px}.mb-4{margin-bottom:20px}.mx-auto{margin-left:auto;margin-right:auto}.w-full{width:100%}.icon-sm{width:18px;height:18px}.icon-xl{width:48px;height:48px}.float-right{float:right}.main-content{flex:1;position:relative;z-index:10;overflow-y:auto;padding:20px 20px 80px}.view-container{display:flex;flex-direction:column;gap:20px}.view-header{display:flex;justify-content:space-between;align-items:center;border-left:4px solid var(--gold);padding-left:12px}.view-header h2{font-size:1.5rem;color:#fff;letter-spacing:2px;text-shadow:0 2px 4px rgba(0,0,0,.8)}.level-badge{background:linear-gradient(45deg,var(--gold-dark),var(--gold));color:#000;padding:4px 12px;border-radius:20px;font-weight:700;box-shadow:0 2px 8px #d4af3766}.image-stage{height:220px;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle,rgba(212,175,55,.1) 0%,transparent 70%);position:relative}.main-img{width:180px;height:180px;object-fit:contain;filter:drop-shadow(0 10px 20px rgba(0,0,0,.5));border-radius:20px}.fallback-svg{width:150px;height:150px;display:flex;align-items:center;justify-content:center;background:#0000004d;border-radius:50%;border:2px dashed var(--gold)}.production-float{position:absolute;bottom:10px;background:#0009;padding:5px 15px;border-radius:20px;border:1px solid var(--gold);display:flex;align-items:center;gap:5px;font-weight:700;animation:floatUp 2s infinite ease-in-out}.info-card{background:var(--glass-bg);border:var(--glass-border);padding:20px;border-radius:16px;box-shadow:var(--glow-shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.info-card h3{color:var(--gold);margin-bottom:10px;font-size:1.2rem}.stats-row{display:flex;justify-content:space-between;background:#0000004d;padding:12px;border-radius:8px;font-family:monospace;font-size:1.05rem}.progress-container{width:100%}.progress-text{display:flex;justify-content:space-between;margin-bottom:5px;font-size:.9rem;color:#ccc}.progress-bar{width:100%;height:10px;background:#00000080;border-radius:5px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}.progress-fill{height:100%;transition:width .4s cubic-bezier(.4,0,.2,1)}.bg-gold{background:linear-gradient(90deg,#aa8010,#d4af37)}.bg-purple{background:linear-gradient(90deg,indigo,#8a2be2)}.bg-cyan{background:linear-gradient(90deg,#008b8b,#00ced1)}button{cursor:pointer;border:none;outline:none;background:none;font-family:inherit}.btn-upgrade{width:100%;background:linear-gradient(135deg,var(--jade),var(--jade-light));color:#fff;padding:14px;border-radius:12px;font-weight:700;font-size:1.1rem;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 15px #2e8b5766;transition:transform .1s}.btn-upgrade:active{transform:scale(.96)}.btn-action{flex:1;background:linear-gradient(135deg,var(--gold-dark),var(--gold));color:#000;padding:12px;border-radius:12px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 10px #d4af374d;transition:transform .1s}.btn-action.outline{background:transparent;border:1px solid var(--gold);color:var(--gold);box-shadow:none}.btn-action:active{transform:scale(.95)}.quiz-container{display:flex;flex-direction:column;gap:20px}.quiz-stats{display:flex;justify-content:space-between;font-size:.9rem;font-weight:700}.question-card{background:var(--glass-bg);border:var(--glass-border);padding:25px 20px;border-radius:16px;box-shadow:var(--glow-shadow)}.question-card h3{font-size:1.3rem;line-height:1.5;margin-bottom:20px;color:#fff}.options-grid{display:flex;flex-direction:column;gap:12px}.option-btn{background:#0006;border:1px solid rgba(255,255,255,.2);color:#fff;padding:15px;border-radius:10px;text-align:left;font-size:1.05rem;transition:all .2s}.option-btn:not(:disabled):active{transform:scale(.98);background:#d4af3733;border-color:var(--gold)}.option-btn.correct{background:#2e8b5766;border-color:var(--jade-light);box-shadow:0 0 15px #2e8b574d}.option-btn.wrong{background:#dc143c66;border-color:#dc143c;opacity:.7}.explanation-box{margin-top:15px;padding:12px;background:#00000080;border-left:3px solid var(--cyan);border-radius:0 8px 8px 0;font-size:.95rem;color:#ddd}.summary-score{font-size:4rem;font-weight:700;color:var(--gold);text-shadow:0 0 20px rgba(212,175,55,.5)}.wrong-list{display:flex;flex-direction:column;gap:15px}.wrong-item{background:#0006;border:1px solid rgba(255,255,255,.1);padding:15px;border-radius:12px}.tab-bar{position:absolute;bottom:0;left:0;right:0;z-index:20;display:flex;justify-content:space-around;background:#0f171ef2;border-top:1px solid rgba(212,175,55,.3);padding:10px 0 20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.tab-btn{display:flex;flex-direction:column;align-items:center;gap:4px;color:#666;font-size:.9rem;transition:color .3s}.tab-btn.active{color:var(--gold);text-shadow:0 0 10px rgba(212,175,55,.5)}.toast{position:fixed;top:100px;left:50%;transform:translate(-50%);background:#000c;border:1px solid var(--gold);color:var(--gold);padding:12px 24px;border-radius:30px;display:flex;align-items:center;gap:8px;z-index:1000;box-shadow:0 5px 15px #00000080;font-weight:700}.loading-state{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;color:var(--gold)}.spin{animation:spin 2s linear infinite}.float-anim{animation:float 4s ease-in-out infinite}.pulse-anim{animation:pulse 2s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes floatUp{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}