:root{--bg-color: #f0f4f8;--card-bg: #ffffff;--primary-color: #2563eb;--accent-color: #10b981;--text-main: #1e293b;--text-muted: #64748b;--danger: #ef4444;--warning: #f59e0b;--safe: #10b981;--glass: rgba(255, 255, 255, .8)}body{margin:0;font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-main)}.lab-container{max-width:1200px;margin:0 auto;padding:20px;min-height:100vh;display:flex;flex-direction:column;gap:20px}.lab-header{display:flex;justify-content:space-between;align-items:center;padding:15px 25px;background:var(--card-bg);border-radius:16px;box-shadow:0 4px 6px -1px #0000001a}.logo{display:flex;align-items:center;gap:12px}.icon-main{color:var(--primary-color);width:32px;height:32px}.logo h1{margin:0;font-size:1.25rem;font-weight:800}.logo h1 span{font-size:.7rem;background:var(--primary-color);color:#fff;padding:2px 6px;border-radius:4px;vertical-align:middle}.cloud-status{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-muted)}.lab-content{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;flex:1}.card{background:var(--card-bg);border-radius:16px;padding:20px;box-shadow:0 2px 4px #0000000d;margin-bottom:20px}.input-group label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:8px}.input-group input{width:100%;padding:12px;border:2px solid #e2e8f0;border-radius:10px;font-family:Courier New,monospace;font-size:1.1rem;transition:all .3s}.input-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.condition-selector{margin-top:20px}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.chips button{padding:6px 14px;border-radius:20px;border:1px solid #e2e8f0;background:#fff;cursor:pointer;font-size:.85rem;transition:all .2s}.chips button.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.action-buttons{display:flex;gap:10px;margin-top:25px}.btn-run{flex:1;background:var(--primary-color);color:#fff;border:none;padding:12px;border-radius:10px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}.btn-run:disabled{opacity:.6;cursor:not-allowed}.btn-reset{background:#f1f5f9;border:none;padding:12px;border-radius:10px;cursor:pointer}.visual-chamber{background:#1e293b;border-radius:16px;height:300px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.beaker-svg{width:150px;height:150px;z-index:2}.burner{position:absolute;bottom:40px}.status-badge{position:absolute;bottom:20px;background:#ffffff1a;color:#fff;padding:4px 12px;border-radius:20px;font-size:.8rem;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.safety-tag{font-size:.75rem;padding:4px 10px;border-radius:6px;font-weight:700}.safety-tag.低{background:#dcfce7;color:#166534}.safety-tag.中等{background:#fef9c3;color:#854d0e}.safety-tag.高{background:#fee2e2;color:#991b1b}.safety-tag.极高{background:#000;color:#fff}.result-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #f1f5f9;padding-bottom:15px;margin-bottom:15px}.info-row{margin-bottom:15px}.info-row .label{display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:4px}.formula{font-family:Courier New,monospace;font-weight:700;font-size:1.2rem;color:var(--primary-color)}.safety-box{background:#fff7ed;border:1px solid #ffedd5;padding:12px;border-radius:10px}.safety-box h4{margin:0 0 8px;font-size:.9rem;color:#9a3412;display:flex;align-items:center;gap:6px}.safety-box ul{margin:0;padding-left:20px;font-size:.85rem;color:#c2410c}.history-list{max-height:300px;overflow-y:auto}.history-item{padding:12px;border-bottom:1px solid #f1f5f9;display:flex;justify-content:space-between;align-items:center}.h-name{display:block;font-weight:600;font-size:.9rem}.h-time{font-size:.7rem;color:var(--text-muted)}.tag{font-size:.7rem;background:#f1f5f9;padding:2px 6px;border-radius:4px;margin-right:4px}.tag-s{font-size:.7rem;font-weight:700}.tag-s.低{color:var(--safe)}.tag-s.高{color:var(--danger)}.empty-state{height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center;padding:20px}