:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg-dark: #0f172a;--card-bg: rgba(255, 255, 255, .95);--accent-gold: #fbbf24;--text-main: #1e293b}body{margin:0;font-family:PingFang SC,Microsoft YaHei,sans-serif;background:linear-gradient(135deg,#1e293b,#0f172a);color:var(--text-main);overflow:hidden}.app-container{width:100vw;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center}.start-screen{background:radial-gradient(circle at center,#312e81,#0f172a)}.hero-card{background:var(--card-bg);padding:3rem;border-radius:24px;text-align:center;box-shadow:0 25px 50px -12px #00000080;max-width:450px;position:relative}.cloud-badge{position:absolute;top:-12px;right:20px;background:#e0e7ff;color:var(--primary);padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:700}.hero-card h1{font-size:2.5rem;margin-bottom:1rem;background:linear-gradient(to right,#6366f1,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.game-screen{padding:20px;background:#f8fafc}.game-header{width:100%;max-width:1200px;display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;background:#fff;padding:15px 25px;border-radius:16px;box-shadow:0 4px 6px -1px #0000001a}.room-info{display:flex;align-items:center;gap:12px}.room-icon{font-size:1.5rem}.game-stats{display:flex;align-items:center;gap:20px}.timer{font-family:monospace;font-size:1.2rem;background:#f1f5f9;padding:5px 15px;border-radius:8px;display:flex;align-items:center;gap:8px}.saving-tag{font-size:.8rem;color:#10b981;animation:pulse 2s infinite}.game-main{width:100%;max-width:1200px;flex:1;display:grid;grid-template-columns:1fr 320px;gap:20px;min-height:0}.scene-viewport{position:relative;background:#000;border-radius:20px;overflow:hidden;box-shadow:inset 0 0 100px #00000080}.room-bg{width:100%;height:100%;object-fit:cover;transition:opacity .5s ease}.fallback-bg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:5rem;background:#334155}.interaction-layer{position:absolute;top:0;left:0;width:100%;height:100%}.hotspot{position:absolute;background:#fff3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:2px solid rgba(255,255,255,.5);color:#fff;padding:8px 16px;border-radius:30px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);font-weight:700;text-shadow:0 2px 4px rgba(0,0,0,.5)}.hotspot:hover{background:#fff6;transform:scale(1.1);box-shadow:0 0 20px #fff6}.p-painting{top:25%;left:40%}.p-box{bottom:20%;right:25%}.p-door{top:45%;right:10%}.p-globe{top:40%;left:20%}.p-phone{bottom:30%;left:45%}.p-fountain{top:50%;left:50%;transform:translate(-50%,-50%)}.p-gate{top:40%;right:15%}.game-sidebar{display:flex;flex-direction:column;gap:20px;min-height:0}.inventory-section,.log-section{background:#fff;padding:20px;border-radius:16px;box-shadow:0 4px 6px -1px #0000001a}.inventory-section{flex:1}.log-section{flex:2;overflow-y:auto}.inventory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:15px}.inventory-item{aspect-ratio:1;background:#f8fafc;border:2px dashed #cbd5e1;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5px;position:relative}.inventory-item img{width:80%;height:80%;object-fit:contain}.item-label{font-size:.6rem;position:absolute;bottom:2px;color:#64748b}.logs{margin-top:10px;display:flex;flex-direction:column;gap:8px}.log-entry{font-size:.9rem;padding:8px;background:#f1f5f9;border-radius:8px;border-left:4px solid var(--primary);margin:0}.action-footer{display:grid;grid-template-columns:1fr 1fr;gap:10px}.primary-btn{background:var(--primary);color:#fff;border:none;padding:12px 24px;border-radius:12px;font-size:1.1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}.primary-btn:hover{background:var(--primary-hover);transform:translateY(-2px)}.hint-btn{background:#fbbf24;color:#fff;border:none;padding:10px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px}.hint-btn:disabled{background:#cbd5e1;cursor:not-allowed}.reset-btn{background:#94a3b8;color:#fff;border:none;padding:10px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px}.win-card{background:#fff;padding:3rem;border-radius:30px;text-align:center;box-shadow:0 20px 40px #0000004d}.icon-gold{color:#fbbf24;margin-bottom:1rem}.final-score{margin:20px 0;display:flex;justify-content:center;gap:30px;font-weight:700;color:#475569}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}