.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.page-header{margin-bottom:20px}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);letter-spacing:-.02em;margin:0 0 8px;font-size:clamp(1.7rem,3.5vw,2.4rem);font-weight:800}.page-subtitle{color:var(--calc-text-dim);max-width:70ch;margin:0;font-size:1rem;line-height:1.6}.field-help{color:var(--calc-text-faded);margin-top:5px;font-size:.75rem;line-height:1.45;display:block}.calc-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:start;gap:24px;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.interp-panel{border:1px solid #22d3ee38;border-left:3px solid var(--calc-cyan);border-radius:var(--calc-radius-md);background:#22d3ee0f;margin-top:14px;padding:14px 16px}.interp-text{color:var(--calc-text-faded);margin:0;font-size:.9rem;line-height:1.65}.table-note{color:var(--calc-text-dim);margin:4px 0 14px;font-size:.85rem;line-height:1.6}.chart-wrap{height:220px;margin:18px 0 20px;position:relative}.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:.92rem;font-weight:600;list-style:none;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}.faq-item[open] .faq-item__question:after{content:"−";color:var(--calc-cyan)}.faq-item__answer{color:var(--calc-text-dim);padding:0 4px 14px;font-size:.86rem;line-height:1.75}[data-theme=light] .page-subtitle{color:#475569}[data-theme=light] .interp-panel{background:#eff9fb;border-color:#0891b24d #0891b24d #0891b24d #0891b2}[data-theme=light] .interp-text{color:#334155}[data-theme=light] .table-note{color:#475569}[data-theme=light] .faq-item__question{color:#0f172a}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after{color:#0891b2}[data-theme=light] .faq-item__answer{color:#475569}@media print{.action-bar,.tab-bar,.glass-navbar,.calc-back-to-top,.nav-toggle{display:none}}@media (width<=768px){.main-container{padding:24px 14px}.action-bar{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.action-btn--reset{grid-column:1/-1}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tab-bar{scrollbar-width:thin;overflow-x:auto}}@media (width<=560px){.chart-wrap{height:200px}}