:root{--paper:#f7f6f1;--white:#fffefb;--ink:#202e28;--muted:#65736b;--green:#154d3d;--line:#dce1d8;--soft:#eaf0e7;--radius:16px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0}a{color:var(--green);text-underline-offset:4px}a:hover{color:#287b5e}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}input,select{width:100%;min-width:0;margin-top:8px;padding:11px 12px;color:var(--ink);border:1px solid var(--line);border-radius:8px;background:var(--white)}input:focus,select:focus{outline:2px solid var(--green);outline-offset:2px}a:focus-visible,button:focus-visible{outline:3px solid #4c896f;outline-offset:4px}label{font-size:13px;font-weight:600;display:block;min-width:0}p{line-height:1.8;margin:0 0 16px}h1,h2,h3,h4{margin:0}h1{font-size:clamp(36px,4.5vw,62px);line-height:1.28;letter-spacing:-2px}h2{font-size:28px;line-height:1.4;letter-spacing:-.7px}h3{font-size:20px}h4{font-size:12px;color:var(--green);margin:16px 0 5px;letter-spacing:.08em}fieldset{min-width:0;margin:0;padding:22px;border:1px solid var(--line);border-radius:var(--radius)}legend{padding:0 8px;font-weight:700;font-size:15px}[hidden]{display:none!important}
.site-header,main,footer{max-width:1160px;margin:auto;padding-left:28px;padding-right:28px}.site-header{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.wordmark{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:750;text-decoration:none}.brand-icon{display:grid;place-items:center;width:30px;height:30px;background:var(--green);color:#fff;border-radius:8px;font-size:24px}nav{display:flex;gap:24px;align-items:center;font-size:14px}nav a{text-decoration:none}.repo-link{padding:9px 14px;border:1px solid var(--line);border-radius:7px}.hero{display:grid;grid-template-columns:1.45fr 1fr;gap:64px;padding:72px 0 62px;align-items:center}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.13em;color:var(--green);margin-bottom:15px;text-transform:uppercase}.hero-copy{font-size:16px;color:var(--muted);max-width:550px;margin-top:24px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.button{display:inline-flex;gap:22px;justify-content:center;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--white);padding:13px 18px;font-size:14px;font-weight:600;color:var(--green);text-decoration:none}.button:hover{background:var(--soft)}.button.primary{background:var(--green);color:#fff;border-color:var(--green)}.button.primary:hover{background:#22684f}.button.quiet{background:transparent}.reading-note{padding:27px 30px;background:var(--soft);border-radius:var(--radius)}.reading-note ol{padding-left:25px;margin:22px 0}.reading-note li{padding:0 0 16px 10px;font-size:14px}.reading-note li:last-child{padding-bottom:0}.reading-note li::marker{color:var(--green);font-weight:700}.reading-note b,.reading-note span{display:block}.reading-note span{color:var(--muted);margin-top:4px;font-size:13px}.reading-note p:last-child{margin:0}.small{font-size:12px;line-height:1.8}.muted{color:var(--muted)}.section{border-top:1px solid var(--line);padding:48px 0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}.section-heading .eyebrow{margin-bottom:8px}.text-link{font-size:13px;font-weight:600;white-space:nowrap}.filter-row{display:flex;align-items:end;gap:16px;margin-bottom:24px}.search-label{flex:1}.filter-row>label:not(.search-label){width:230px}.filter-row>p{margin-bottom:12px;white-space:nowrap}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:20px}.service-card{display:flex;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.card-heading{display:flex;align-items:center;flex-wrap:wrap;gap:9px;justify-content:space-between;margin-bottom:14px}.card-heading a{color:var(--ink);text-decoration:none}.tag{font-size:10px;color:var(--green);background:var(--soft);padding:4px 7px;border-radius:5px;white-space:nowrap}.card-intro{font-size:13px;font-weight:600}.service-card p{font-size:13px;margin-bottom:0}.card-sources{display:flex;flex-wrap:wrap;gap:8px 12px;padding-top:20px;margin-top:auto;font-size:11px}.empty-state,.notice{padding:24px;background:var(--soft);border-radius:var(--radius)}.section-description{max-width:860px;color:var(--muted);font-size:14px;margin-bottom:24px}.workload{background:var(--soft);margin-bottom:22px}.workload-grid{display:grid;grid-template-columns:1fr 1fr 1.5fr 1.5fr 1fr;gap:16px}.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.plan{background:var(--white)}.plan-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full{grid-column:1/-1}.form-error{color:#922c28;margin-top:16px}.result-panel{margin-top:24px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.result-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.result-heading p:last-child{font-size:14px;font-weight:600}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left;margin-bottom:16px}th,td{padding:12px 10px;border-bottom:1px solid var(--line)}thead th{color:var(--muted);font-size:12px;font-weight:600}tbody th{font-weight:500}th:not(:first-child),td{text-align:right;font-variant-numeric:tabular-nums}.total-row{background:var(--soft);font-weight:700}.total-row th{font-weight:700}.total-row td{font-size:19px}.result-panel .small{color:var(--muted);margin:0}.calculator-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0 14px}.resources{display:grid;grid-template-columns:1fr 1fr;gap:56px}.resources h2{margin-bottom:18px}.resources p{font-size:14px;color:var(--muted)}.resource-links a{display:block;padding:18px 0;text-decoration:none;font-size:15px;font-weight:650;border-bottom:1px solid var(--line)}.resource-links a:first-child{padding-top:0}.resource-links span{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:7px}footer{display:flex;flex-wrap:wrap;gap:20px;padding-top:24px;padding-bottom:30px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}footer span{margin-right:auto}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{position:fixed;top:12px;left:12px;z-index:10;padding:12px;background:var(--white)}
@media(max-width:1000px){.hero{gap:30px}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.workload-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.card-heading{align-items:flex-start}}
@media(max-width:680px){.site-header,main,footer{padding-left:18px;padding-right:18px}.site-header{min-height:100px;align-items:flex-start;flex-direction:column;justify-content:center;gap:15px}.wordmark{font-size:16px}nav{width:100%;justify-content:space-between;gap:12px;font-size:12px}.repo-link{padding:5px 10px}.hero{grid-template-columns:1fr;padding:40px 0;gap:28px}h1{letter-spacing:-1px}h2{font-size:24px}.hero-copy{font-size:14px}.reading-note{padding:22px}.section{padding:32px 0}.section-heading{align-items:flex-start;flex-direction:column;gap:12px}.filter-row{flex-wrap:wrap;gap:12px}.search-label{flex-basis:100%}.filter-row>label:not(.search-label){flex:1;min-width:180px}.service-grid,.plan-grid,.resources{grid-template-columns:1fr}.service-card{padding:22px}.workload-grid{grid-template-columns:1fr 1fr}.workload-grid>label:first-child{grid-column:1/-1}.plan-fields{gap:14px}.result-panel{padding:16px}.result-heading{flex-direction:column;gap:0}.result-heading .eyebrow{margin-bottom:8px}th,td{padding:10px 6px}.total-row td{font-size:16px}.calculator-actions .button{font-size:12px;padding:12px 14px;flex:1}.resources{gap:28px}footer span{width:100%}.text-link{white-space:normal}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
nav{flex-wrap:wrap}html[lang="en"] .tag{white-space:normal}html[lang="en"] .filter-row{flex-wrap:wrap}
.article-main{max-width:860px;padding-bottom:48px}.article-heading{padding:56px 0 28px}.article-heading h1{font-size:clamp(34px,4vw,52px)}.article-lead{font-size:18px;margin:24px 0 16px;color:var(--muted)}.article-main .notice p:last-child{margin-bottom:0}.article-section{margin-top:40px}.article-section h2{margin-bottom:18px;font-size:25px}.article-section ol{padding-left:24px;line-height:1.8}.article-section li{margin-bottom:12px}.article-main pre{padding:20px;overflow-x:auto;background:var(--soft);border-radius:10px;line-height:1.8;font-size:13px}.article-main code{overflow-wrap:anywhere}.article-main caption{text-align:left;font-size:12px;color:var(--muted);padding-bottom:10px}.scenario-table{min-width:620px}.scenario-table td:last-child{text-align:left}.article-main .table-scroll:focus-visible{outline:2px solid var(--green);outline-offset:4px}
@media(max-width:680px){.article-heading{padding-top:36px}.article-lead{font-size:16px}.article-section{margin-top:32px}.article-section h2{font-size:22px}.article-main pre{padding:14px;font-size:12px}}