.page-hero{border-bottom:1px solid var(--line);padding:76px 0 50px}.page-hero h1{max-width:18ch}.page-hero .lead{max-width:62ch}.page-grid{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:clamp(36px,5vw,64px);display:grid}.prose{max-width:44rem}.prose h2{margin:42px 0 14px;font:500 29px/1.4 Georgia,Noto Serif TC,serif}.prose h3{margin:26px 0 10px;font-size:19px}.prose p,.prose li{color:var(--soft);font-size:16px;line-height:1.9}.prose li+li{margin-top:8px}.prose a:not(.text-link){border-bottom:1px solid var(--red)}.info-card{background:var(--paper);border:1px solid var(--line);align-self:start;padding:20px;position:sticky;top:84px}.info-card h2,.info-card h3{margin-top:0;font:500 19px/1.4 Georgia,serif}.info-card p,.info-card li{color:var(--soft);font-size:13px;line-height:1.75}.info-card ul{margin:8px 0;padding-left:1.2em}.info-card a{text-underline-offset:3px;text-decoration:underline}.notice{border-left:2px solid var(--warm);background:var(--paper-2);color:var(--soft);padding:12px 18px}.tool-panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:22px}.tool-panel .fields{margin:16px 0 0}.tool-panel h2{margin:0;font:500 22px Georgia,serif}.rate-choice{border:0;flex-wrap:wrap;gap:8px 20px;margin:20px 0 16px;padding:0;display:flex}.rate-choice legend{color:var(--soft);margin-bottom:7px;font-size:12px}.rate-choice label{cursor:pointer;align-items:center;gap:7px;margin:0;display:inline-flex}.rate-choice input{width:auto;accent-color:var(--warm)}.rate-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.rate-fields[data-rate-fields=unit]{grid-template-columns:1fr}.prose .hero-pane{margin-top:18px}.prose .hero-pane .pane-body{padding:24px 22px}.prose .hero-pane .hint,.prose .hero-pane .calc-note{font-size:12px;line-height:1.65}.pack-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.tool-output{border-top:1px solid var(--line);margin-top:22px;padding-top:18px;font-size:18px}@media (width<=900px){.page-grid{grid-template-columns:1fr;gap:28px}.info-card{position:static}}@media (width<=620px){.page-hero{padding:43px 0 28px}.pack-fields,.rate-fields{grid-template-columns:1fr}.footerin{gap:18px}.prose h2{font-size:25px}}
