.container{width:min(1024px,calc(100% - 40px));margin:auto}.db-header{border-bottom:1px solid var(--color-rule)}.header-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-block:22px}.logo{font-size:1.35rem;font-weight:600;letter-spacing:-.04em;text-decoration:none;color:var(--color-ink)}nav{display:flex;gap:20px;flex-wrap:wrap}nav a{font-size:.9375rem}main.container{padding-top:40px;min-height:65vh}.db-footer{margin-top:70px;border-top:1px solid var(--color-rule);padding:32px 0;color:var(--color-ink-soft)}.db-footer p{margin-top:20px;font-size:.875rem}.content-section{margin-top:36px}.content-section>h2{font-size:1.35rem;margin-bottom:22px}.article-title{max-width:28ch}.calculator{display:grid;grid-template-columns:1fr 320px;gap:32px;margin-top:36px;align-items:start}.calc-field{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--color-rule);padding:14px 0}.calc-field>span:last-child{display:flex;gap:7px;align-items:center;flex-shrink:0}.calc-field input{width:110px;text-align:right;border-bottom:1px solid var(--color-rule);padding:5px;background:transparent;font-family:var(--font-mono);font-size:1.05rem}.calc-field small{width:20px}.calculator button{margin-top:18px;text-decoration:underline;color:var(--color-link)}#calculator-output{background:var(--color-readout);padding:24px;min-height:150px;color:var(--color-readout-lit);position:sticky;top:24px}#calculator-output dl{border-top:1px solid var(--color-rule);margin-top:20px;padding-top:16px}#calculator-output dl>div{display:flex;justify-content:space-between;gap:16px;margin-top:12px;font-size:.875rem}#calculator-output dt{color:var(--color-readout-dim)}#calculator-output dd{font-family:var(--font-mono)}.result-primary{font-family:var(--font-mono);font-size:2.15rem;font-weight:400;overflow-wrap:anywhere}.result-label{font-size:.875rem}#calc-error{margin-top:18px;color:#ffb8a5}.faq-list dt{padding-top:18px;font-weight:500;border-top:1px solid var(--color-rule)}.faq-list dd{padding-block:8px 18px;color:var(--color-ink-soft)}.related-links{display:grid;gap:8px}.skip-link{position:absolute;top:-100px;padding:12px;background:var(--color-link);color:var(--color-paper)}.skip-link:focus{top:0}.prose table{display:block;overflow:auto}@media(max-width:680px){.header-inner{flex-wrap:wrap}.calculator{grid-template-columns:minmax(0,1fr)}#calculator-output{position:static}.calc-field input{width:90px}.header-inner nav{gap:16px}.video-link{align-items:flex-start}.db-footer nav{gap:14px}}