:root{--primary: #0f6fc5;--primary-dark: #0b5aa5;--primary-light: #e8f2fb;--bg: #f2f5f8;--card-bg: #ffffff;--border: #d9e1e9;--text: #1c2b3a;--text-secondary: #5a6b7a;--accent: #e67e22;--danger: #c0392b;--ok: #1e8449;--radius: 10px}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{font-family:PingFang SC,Microsoft YaHei,Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}.app{min-height:100%;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#0b5aa5,#123a63);color:#fff;padding:18px 28px}.app-title h1{margin:0;font-size:20px;font-weight:600;letter-spacing:1px}.app-subtitle{font-size:12px;opacity:.75}.tabs{display:flex;gap:4px;background:#0b4a86;padding:0 20px}.tab{border:none;background:transparent;color:#cfe3f7;font-size:14px;padding:12px 20px;cursor:pointer;border-bottom:3px solid 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solid var(--border);color:var(--primary-dark)}.card-body{padding:14px 16px;display:flex;flex-direction:column;gap:12px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px}.field{display:flex;flex-direction:column;gap:4px}.field-label{font-size:12px;color:var(--text-secondary);display:flex;align-items:center;gap:6px;flex-wrap:wrap}.field-hint{font-size:11px;color:#93a2b0;font-style:italic}.field-input-wrap{display:flex;align-items:stretch;border:1px solid var(--border);border-radius:6px;overflow:hidden;background:#fff;transition:border-color .15s}.field-input-wrap:focus-within{border-color:var(--primary)}.field-input-wrap input{flex:1;min-width:0;border:none;outline:none;padding:7px 10px;font-size:14px;font-family:inherit;background:transparent;color:var(--text)}.field-unit{padding:0 10px;display:flex;align-items:center;font-size:12px;color:var(--text-secondary);background:#f4f7fa;border-left:1px solid var(--border)}.field-error 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10px}.collapse-btn{align-self:flex-start;border:none;background:transparent;color:var(--primary);font-size:13px;cursor:pointer;padding:0;font-family:inherit}.warn-banner{background:#fdf3e7;border:1px solid #f0c98f;color:#8a4b0b;border-radius:var(--radius);padding:10px 14px;font-size:13px}.results{display:flex;flex-direction:column;gap:10px}.result-block{display:flex;flex-direction:column;gap:6px;padding:6px 0}.block-title{font-size:13px;font-weight:600;color:var(--text)}.result-item{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;padding:8px 12px;background:#f7fafc;border:1px solid var(--border);border-radius:8px}.result-label{font-size:13px;color:var(--text-secondary);min-width:180px}.result-value{font-size:17px;font-weight:700;color:var(--primary-dark);white-space:nowrap}.result-value-sm{font-size:14px}.result-formula{font-size:11px;color:#8a99a6;width:100%}.result-dew .result-value{color:var(--accent)}.inline-input{width:80px;border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-size:15px;font-family:inherit;outline:none}.inline-input:focus{border-color:var(--primary)}.gas-table{width:100%;border-collapse:collapse;font-size:14px}.gas-table td{padding:6px 10px;border:1px solid var(--border);text-align:center}.gas-table td:nth-child(odd){background:#f4f7fa;color:var(--text-secondary);font-weight:600;width:30%}.pollutant-row{display:grid;grid-template-columns:1fr auto auto;gap:8px 12px;align-items:center;padding:8px 0;border-bottom:1px dashed var(--border)}.pollutant-row:last-child{border-bottom:none}.pollutant-name{font-size:13px;font-weight:600}.pollutant-value{font-size:16px;white-space:nowrap;color:var(--text)}.pollutant-value strong{color:var(--primary-dark)}.pollutant-formula{grid-column:1 / -1;font-size:11px;color:#8a99a6}.segmented{display:inline-flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.segmented button{border:none;background:#f7f9fb;padding:5px 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14px;font-size:13px;cursor:pointer;font-family:inherit}.btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-danger{color:var(--danger)}.btn-danger:hover:not(:disabled){border-color:var(--danger);background:#fdf3f2}.save-hint{color:var(--ok);font-size:12px;margin-left:auto}.eco-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.eco-table-wrap .eco-table{min-width:640px}@media(max-width:768px){.app-header{padding:14px 16px}.app-title h1{font-size:17px}.app-subtitle{font-size:11px}.app-project{margin-top:6px;font-size:12px;word-break:break-all}.tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;padding:0 6px}.tab{flex-shrink:0;padding:11px 14px;font-size:13px}.project-bar{padding:8px 12px;gap:8px}.project-bar-name{max-width:140px}.project-select{max-width:100%;flex:1 1 auto}.save-hint{width:100%;margin-left:0}.page-body{padding:14px 12px}.app-footer{padding:10px 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8px;font-size:18px;color:var(--text)}.lock-subtitle{margin:0 0 20px;color:var(--text-secondary);font-size:13px}.lock-input{width:100%;padding:10px 12px;font-size:16px;border:1px solid var(--border);border-radius:8px;outline:none;transition:border-color .15s}.lock-input:focus{border-color:var(--primary)}.lock-error{margin:10px 0 0;color:var(--danger);font-size:13px}.lock-btn{margin-top:16px;width:100%;padding:10px 0;font-size:15px;border:none;border-radius:8px;background:var(--primary);color:#fff;cursor:pointer}.lock-btn:hover{background:var(--primary-dark)}@media(max-width:768px){.lock-card{padding:28px 20px}}