.usage-intro{padding:40px 0;background:var(--soft);border-bottom:1px solid var(--line)}
.usage-intro h1{font-size:42px;max-width:850px;line-height:1.2}.usage-intro .lead{max-width:850px;font-size:19px}
.usage-nav{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:25px}.usage-nav a{font-size:15px;font-weight:650}
.usage-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}.usage-card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:22px;min-width:0}
.usage-card h3{font-size:22px}.usage-card p,.usage-card li{font-size:15px;line-height:1.7}.usage-card table{width:100%;border-collapse:collapse;font-size:14px}.usage-card th,.usage-card td{text-align:left;padding:13px 0;border-bottom:1px solid var(--line);vertical-align:top}.usage-card th:last-child,.usage-card td:last-child{text-align:right;padding-left:12px;white-space:nowrap}.usage-card td:last-child{font-weight:750;color:var(--ink)}
.usage-proposal{padding:19px 22px;background:#edf4fa;border-left:3px solid var(--brand-blue,#051d40);margin:24px 0;font-size:15px;line-height:1.7}.usage-proposal p{margin:6px 0 0}
.usage-details{border-top:1px solid var(--line);padding:16px 0;margin-top:15px}.usage-details summary{font-weight:650;font-size:14px;cursor:pointer}.usage-details p{font-size:14px;margin:14px 0 0;line-height:1.7}
.usage-module-table{width:100%;border-collapse:collapse;margin-top:22px}.usage-module-table th,.usage-module-table td{text-align:left;padding:17px 15px;border-bottom:1px solid var(--line);font-size:15px;line-height:1.65;vertical-align:top}.usage-module-table th:first-child{width:23%}.usage-module-table th:nth-child(2){width:33%}.usage-module-table td:first-child a{font-weight:650}
.usage-estimate{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;margin-top:24px}.usage-form{display:grid;gap:16px;padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff}.usage-form label{display:grid;gap:7px;font-size:14px;font-weight:650}.usage-form input{width:100%;padding:12px;border:1px solid #b2bfca;border-radius:5px;font:inherit;color:var(--ink);background:#fff}.usage-form small{font-size:12px;color:var(--muted);font-weight:400;line-height:1.6}.usage-estimate-result{border:1px solid #a9becf;border-radius:8px;padding:24px;background:#fff}.usage-estimate-result h3{font-size:22px}.usage-estimate-result dl>div{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}.usage-estimate-result dd{margin:0;font-weight:700;white-space:nowrap}.usage-estimate-result .usage-total{font-size:21px;font-weight:750}.usage-estimate-result p{font-size:13px;line-height:1.6;margin-top:16px}.usage-error{color:#a52f44;font-size:13px}.usage-footnote{font-size:14px;color:var(--muted);line-height:1.7;margin-top:24px}
.usage-bottom-note{font-size:14px;line-height:1.7;color:var(--muted);margin:22px 0 0}.usage-bottom-note a{font-weight:650}
@media(max-width:1000px){.usage-grid{grid-template-columns:1fr}.usage-card{padding:21px}.usage-card table{font-size:15px}}
@media(max-width:650px){.usage-intro{padding:30px 0}.usage-intro h1{font-size:32px}.usage-intro .lead{font-size:17px}.usage-nav{gap:12px 20px}.usage-estimate{grid-template-columns:1fr;gap:18px}.usage-form,.usage-estimate-result{padding:20px}.usage-module-table thead{display:none}.usage-module-table,.usage-module-table tbody{display:block}.usage-module-table tr{display:block;padding:17px 0;border-bottom:1px solid var(--line)}.usage-module-table td{display:block;border:0;padding:6px 0;font-size:14px}.usage-module-table td[data-label]::before{content:attr(data-label) ': ';font-weight:650;color:var(--ink)}.usage-module-table td:first-child{font-size:17px}.usage-proposal{padding:16px 18px}.usage-estimate-result .usage-total{font-size:19px}}