:root{--accent:var(--calc-color-environment,#a3e635)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--calc-bg-page);color:var(--calc-text-primary);min-height:100vh;font-family:Inter,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.calc-breadcrumb{color:var(--calc-text-dim);padding:10px 24px;font-size:.79rem}.calc-breadcrumb a{color:var(--calc-text-faded)}.main-container{max-width:1200px;margin:0 auto;padding:24px}.calc-title{margin-bottom:8px;font-size:2rem;font-weight:700}.calc-subtitle{color:var(--calc-text-faded);margin-bottom:24px}.preset-strip{background:#a3e6350a;border:1px solid #a3e63526;border-radius:10px;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px;padding:14px 16px;display:flex}.preset-label{color:var(--calc-text-dim);white-space:nowrap;text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:600}.preset-chip{color:var(--accent);cursor:pointer;background:#a3e6350f;border:1px solid #a3e63533;border-radius:8px;padding:6px 13px;font-family:inherit;font-size:.8rem;transition:background .2s,border-color .2s}.preset-chip:hover{background:#a3e63524;border-color:#a3e63566}.preset-chip.active{border-color:var(--accent);background:#a3e6352e;font-weight:600}.tab-nav{border-bottom:1px solid var(--calc-border-subtle);margin-bottom:24px;display:flex}.tab-btn{color:var(--calc-text-faded);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 22px;font-family:inherit;font-size:.9rem;transition:color .2s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.tab-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:340px 1fr;align-items:start;gap:20px;display:grid}@media (width<=1024px){.calc-layout{grid-template-columns:1fr}}.card{background:var(--calc-bg-card);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);padding:20px}.input-card{border-left:3px solid var(--accent)}.result-card{border-left:3px solid var(--calc-purple)}.form-group{margin-bottom:16px}.form-label{color:var(--calc-text-faded);margin-bottom:6px;font-size:.82rem;font-weight:500;display:block}.form-label-hint{color:var(--calc-text-dim);font-weight:400}.section-title{color:var(--calc-text-primary);margin-bottom:14px;font-size:1rem;font-weight:700}.inline-inputs{grid-template-columns:1fr 1fr;gap:8px;display:grid}.aqi-badge{letter-spacing:.04em;border:1px solid;border-radius:20px;margin-bottom:16px;padding:5px 14px;font-size:.78rem;font-weight:700;display:inline-block}.hero-result{text-align:center;border-radius:var(--calc-radius-md);background:#a3e6350f;border:1px solid #a3e63533;margin-bottom:16px;padding:20px}.hero-label{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;font-size:.75rem}.hero-value{color:var(--accent);font-size:2.4rem;font-weight:800;line-height:1.1;font-family:var(--calc-font-mono)}.hero-sub{color:var(--calc-text-faded);margin-top:5px;font-size:.84rem}.stat-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px;display:grid}.stat-card{background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-sm,8px);padding:12px}.stat-label{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;font-size:.7rem}.stat-value{color:var(--calc-text-primary);font-size:1.05rem;font-weight:700;font-family:var(--calc-font-mono)}.action-box{border:1px solid #a3e63533;border-left:3px solid var(--accent);color:var(--calc-text-faded);background:#a3e6350f;border-radius:8px;padding:12px 14px;font-size:.85rem;line-height:1.6}.risk-badge{border:1px solid;border-radius:20px;margin-bottom:14px;padding:8px 18px;font-size:.85rem;font-weight:700;display:inline-block}.risk-summary{color:var(--calc-text-faded);margin-bottom:20px;font-size:.87rem;line-height:1.65}.gauge-wrap{max-width:400px;height:180px;margin:0 auto 24px;position:relative}.gauge-labels{color:var(--calc-text-dim);font-size:.68rem;font-family:var(--calc-font-mono);justify-content:space-between;max-width:400px;margin-top:-8px;margin-left:auto;margin-right:auto;padding:0 4px;display:flex}.factor-table{border-collapse:collapse;width:100%;margin-bottom:20px;font-size:.87rem}.factor-table th{color:var(--accent);text-align:left;border-bottom:1px solid var(--calc-border-subtle);background:#a3e63514;padding:9px 12px;font-size:.8rem;font-weight:600}.factor-table td{color:var(--calc-text-faded);border-bottom:1px solid #ffffff0a;padding:9px 12px}.factor-table td:last-child{color:var(--calc-text-primary);font-weight:600;font-family:var(--calc-font-mono)}.factor-table tr:hover td{background:#ffffff05}.factor-table tr.total-row td{border-top:1px solid var(--calc-border-subtle);color:var(--calc-text-primary);font-weight:700}.prec-cards{flex-direction:column;gap:10px;display:flex}.prec-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);border-left:4px solid;padding:16px;transition:box-shadow .2s}.prec-card--active{box-shadow:0 0 0 1px #a3e63533,0 4px 16px #00000040}.prec-card__header{align-items:center;gap:10px;margin-bottom:8px;display:flex}.prec-badge{border:1px solid;border-radius:12px;padding:3px 10px;font-size:.75rem;font-weight:700;display:inline-block}.prec-range{color:var(--calc-text-dim);font-size:.75rem;font-family:var(--calc-font-mono)}.prec-who{color:var(--calc-text-dim);margin-bottom:6px;font-size:.82rem}.prec-who strong{color:var(--calc-text-faded)}.prec-summary{color:var(--calc-text-faded);margin-bottom:10px;font-size:.84rem;line-height:1.55}.prec-actions{flex-direction:column;gap:5px;padding:0;list-style:none;display:flex}.prec-actions li{color:var(--calc-text-faded);padding-left:16px;font-size:.83rem;position:relative}.prec-actions li:before{content:"›";color:var(--calc-text-dim);position:absolute;left:0}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--calc-text-primary);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";font-family:var(--calc-font-mono);color:var(--calc-text-dim);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--accent)}.faq-item__question:hover{color:var(--accent)}.faq-item__answer{color:var(--calc-text-dim);padding:0 4px 14px;font-size:.85rem;line-height:1.75}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}[data-theme=light]{--accent:var(--calc-color-environment,#3f6212)}[data-theme=light] body{background:var(--calc-bg-page)}[data-theme=light] .preset-strip{background:#3f62120a;border-color:#3f621226}[data-theme=light] .preset-chip{background:#3f62120f;border-color:#3f621233}[data-theme=light] .preset-chip:hover{background:#3f62121f;border-color:#3f621259}[data-theme=light] .preset-chip.active{background:#3f621226}[data-theme=light] .card{background:#fff;border-color:#0000001a;box-shadow:0 2px 10px #00000012}[data-theme=light] .stat-card{background:#edf2f9;border-color:#0000001a}[data-theme=light] .stat-value{color:#0f172a}[data-theme=light] .stat-label{color:#5b6b80}[data-theme=light] .hero-result{background:#3f62120d;border-color:#3f621233}[data-theme=light] .hero-label{color:#5b6b80}[data-theme=light] .hero-sub{color:#475569}[data-theme=light] .action-box{color:#334155;background:#3f62120d;border-color:#3f621233}[data-theme=light] .factor-table th{background:#3f621212}[data-theme=light] .factor-table td{color:#475569;border-color:#00000012}[data-theme=light] .factor-table td:last-child{color:#0f172a}[data-theme=light] .factor-table tr:hover td{background:#f0f4f9}[data-theme=light] .factor-table tr.total-row td{color:#0f172a;border-color:#0000001f}[data-theme=light] .prec-card{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .prec-card--active{box-shadow:0 2px 12px #3f62121f}[data-theme=light] .prec-who{color:#5b6b80}[data-theme=light] .prec-who strong{color:#334155}[data-theme=light] .prec-summary,[data-theme=light] .prec-actions li{color:#475569}[data-theme=light] .prec-actions li:before{color:#94a3b8}[data-theme=light] .prec-range{color:#64748b}[data-theme=light] .risk-summary{color:#475569}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #0000001a;border-radius:10px;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#3f621259;box-shadow:0 2px 10px #3f621214}[data-theme=light] .faq-item[open]{border-color:#3f621266 #3f621266 #3f621266 #3f6212;border-left-style:solid;border-left-width:3px}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#3f6212}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}