:root{--paper:#f5f6f0;--ink:#163b31;--muted:#738278;--line:#dfe5db;--green:#244e3c;--lime:#c8e9a1;--soft:#eef2e8;--orange:#b97737}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit}a{color:inherit;text-underline-offset:3px}button{cursor:pointer;transition:background .15s,transform .15s}button:hover{filter:brightness(.96)}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #719b43;outline-offset:3px}button:disabled{opacity:.5;cursor:not-allowed}button,.chip{white-space:nowrap}.workspace{max-width:1280px;padding:0 44px;margin:auto}.breadcrumb{display:flex;align-items:center;gap:12px;margin-top:29px;font-size:12px;color:var(--muted)}.breadcrumb a{text-decoration:none}.local-pill{margin-left:auto;border:1px solid var(--line);border-radius:20px;padding:5px 12px}.local-pill i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#759e54;margin-right:5px}.hero{display:flex;justify-content:space-between;align-items:center;padding:42px 0 35px}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:700;margin:0 0 13px;color:#668268}.hero h1{font-size:clamp(32px,4.3vw,52px);letter-spacing:-1.8px;font-weight:600;line-height:1.35;margin:0 0 16px}.hero h1 em{font-style:normal;color:#6b8850}.intro{font-size:15px;line-height:1.9;color:var(--muted);margin:0}.hero-aside{display:flex;align-items:center;gap:25px;padding-right:25px}.hero-aside p{font-size:12px;color:var(--muted)}.hero-aside strong{font-weight:500;letter-spacing:2px;color:#506551}.orbit{border:1px solid #b9c9ab;width:112px;height:112px;border-radius:50%;display:grid;place-content:center;font-size:28px;position:relative;color:#617950;transform:rotate(-12deg)}.orbit:before{content:"";position:absolute;inset:14px -13px;border:1px solid #b9c9ab;border-radius:50%;transform:rotate(-28deg)}.orbit span{position:absolute;right:7px;top:-2px;background:var(--paper);font-size:23px}.section-nav{display:flex;gap:40px;border-bottom:1px solid #d2dccb}.section-nav a{padding:13px 0;color:#778477;font-weight:600;font-size:13px;text-decoration:none}.section-nav a.selected{color:var(--ink);border-bottom:2px solid var(--green)}.section-nav span{font:10px ui-monospace,monospace;margin-right:9px;opacity:.7}.toolbar{display:flex;justify-content:space-between;align-items:center;padding:22px 0;gap:14px}.toolbar p{font-size:11px;color:var(--muted);margin:0}.actions{display:flex;gap:8px}.solid,.outline,.quiet{padding:8px 13px;border-radius:7px;font-size:12px;font-weight:600}.solid{color:white;background:var(--green);border:1px solid var(--green)}.outline{background:white;border:1px solid #c8d6c1;color:var(--ink)}.quiet{background:transparent;border:1px solid var(--line);color:#50604e}#notice{padding:12px 16px;margin-bottom:20px;border-radius:8px;background:#e5edd9}#notice.error{color:#934831;background:#fff0e5}.dashboard{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.main-column{display:grid;gap:24px;min-width:0}.panel{border:1px solid var(--line);border-radius:13px;background:#fff;padding:28px;scroll-margin-top:100px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.section-heading .eyebrow{font-size:9px;margin-bottom:6px}.section-heading h2{font-size:20px;letter-spacing:-.4px;margin:0;font-weight:600}.chip{border-radius:5px;background:var(--soft);padding:5px 9px;font-size:10px;color:#6a7d61}.muted{color:var(--muted);font-size:12px;line-height:1.9}.small{font-size:11px}.project-grid,.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 16px}.project-grid{margin-top:23px}.full{grid-column:1/-1}label{display:grid;gap:6px;color:#526254;font-size:11px;min-width:0}input,select,textarea{width:100%;min-width:0;color:#234236;border:1px solid #dce4d7;border-radius:6px;padding:9px 10px;background:#fafbf8;outline:none;font-size:12px;line-height:1.6}input:focus,select:focus,textarea:focus{border-color:#80a362;box-shadow:0 0 0 2px #89a66f18}textarea{resize:vertical}.activity-heading{margin:28px 0 13px;display:flex;align-items:center;justify-content:space-between}.activity-heading h3{font-size:14px;margin:0}.activity-heading h3 span{font-size:10px;font-weight:400;color:var(--muted);margin-left:8px}.activity{border:1px solid #e2e8dd;border-radius:9px;margin-bottom:12px;overflow:hidden}.activity-top{padding:13px 16px;background:#f4f7ef;display:flex;align-items:center;gap:9px}.activity-number{font:10px ui-monospace,monospace;color:#73915d}.activity-top h4{font-size:12px;font-weight:600;margin:0;flex:1;overflow-wrap:anywhere}.activity-result{font-size:11px;font-weight:600;color:#66804f}.remove{font-size:15px;border:0;background:transparent;color:#9ba891;padding:0 4px}.activity-body{padding:16px}.entry-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}.entry-grid+.entry-grid{margin-top:13px}.factor-row{margin-top:16px;padding-top:14px;border-top:1px solid #e5ebde}.factor-caption{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#607352;margin-bottom:10px;gap:12px}.preset{border:0;background:#eaf1df;color:#597745;font-size:10px;border-radius:5px;padding:5px 8px;white-space:normal;text-align:left}.factor-unit{display:grid;grid-template-columns:1fr auto 1fr;gap:6px;align-items:center}.factor-unit b{font-weight:400;color:#98a58b}.activity details{margin-top:13px}.activity summary,.method summary,.reference-card summary{font-size:11px;color:#667e55;cursor:pointer}.detail-content{padding-top:12px}.formula{margin:12px 0 0;padding:9px;background:#f4f6f0;color:#61714f;font-size:10px;border-radius:5px;overflow-wrap:anywhere}.row-issues{margin:7px 0 0;font-size:10px;color:#a1663d}.hint{color:#8a947e;font-size:10px;margin-top:15px}.summary-column{display:grid;gap:20px;position:sticky;top:89px}.summary-card{border-radius:13px;background:#153d30;color:#fff;padding:24px}.summary-label{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#d2dfd4}.summary-label span:last-child{font-size:9px;color:#bcd2a7;background:#2b4f3c;border-radius:4px;padding:3px 7px}.total{display:flex;align-items:baseline;gap:9px;margin:12px 0 0}.total strong{font-size:40px;letter-spacing:-1.4px;font-weight:500;overflow-wrap:anywhere}.total span{font-size:11px;color:#aac1ad}.summary-card>p{font-size:10px;color:#a8bfac;margin:2px 0}.donut-wrap{width:180px;height:180px;margin:6px auto 12px}.scope-row{display:grid;grid-template-columns:9px 1fr auto;gap:8px;align-items:center;margin:12px 0;font-size:11px}.scope-row i{width:6px;height:6px;border-radius:50%}.scope-row span{color:#c0d1c1}.scope-row strong{font-weight:500}.market-total{padding-top:15px;border-top:1px solid #3c5c49;margin-top:19px;display:grid;grid-template-columns:1fr auto;gap:5px;font-size:10px;color:#c6d5c3}.market-total strong{font-size:11px;font-weight:500}.market-total small{grid-column:1/-1;color:#8ba98b;font-size:9px}.summary-card .summary-fine{font-size:10px;line-height:1.8;margin:17px 0;color:#a1baa4}.summary-button{width:100%;padding:10px;border-radius:6px;border:1px solid #cde8ac;background:#cde8ac;color:#264733;font-size:11px;font-weight:600;margin-top:7px}.summary-button.secondary{border:1px solid #47654d;color:#d2e2ce;background:transparent}.reference-card{padding:5px 15px;color:#819073;font-size:11px}.reference-card h3{font-size:12px;color:#51634a;display:inline;margin:0 0 10px 7px}.mini-symbol{font-size:20px;vertical-align:middle}.reference-card code{font-size:10px}.check-progress{display:flex;justify-content:space-between;color:#5e7353;font-size:11px;margin:22px 0 8px}.progress-track{height:5px;background:#edf1e7;border-radius:3px;overflow:hidden}.progress-track>div{height:100%;background:#9fc574;transition:width .2s}.issue-list{list-style:none;padding:0;margin:18px 0;max-height:370px;overflow:auto}.issue-list li{border-bottom:1px solid #eef1e9;padding:9px 0;display:flex;gap:9px;font-size:11px;color:#7a795f}.issue-list li:before{content:'○';color:#ae9051;flex-shrink:0}.issue-list li.error:before{content:'!';font-weight:800;color:#b96343}.issue-list a{color:#738059}.method{border-top:1px solid var(--line);padding-top:15px;color:var(--muted);font-size:11px}.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.scenario-result{background:#f1f5e9;border:1px solid #e2eacf;border-radius:8px;padding:18px;margin:19px 0 14px;color:#677b53;font-size:12px}.scenario-result strong{font-size:25px;display:block;margin:2px 0;font-weight:500;color:var(--green)}.inline-link{font-size:11px;color:#748d5c}.toolbox{padding:54px 0 24px;scroll-margin-top:90px}.toolbox .section-heading h2{font-size:25px}.filters{display:flex;gap:9px;flex-wrap:wrap;margin:17px 0 20px}.filters button{border:1px solid var(--line);border-radius:6px;padding:6px 13px;color:#7c8c6e;background:transparent;font-size:11px}.filters button[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:white}.tool-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.tool-card{border:1px solid var(--line);border-radius:10px;padding:23px;background:#fff;display:flex;flex-direction:column}.tool-card-top{display:flex;justify-content:space-between;align-items:center}.tool-icon{width:34px;height:34px;border-radius:8px;background:#f0f5e9;display:grid;place-content:center;font-size:18px;color:#67884b}.tool-card h3{font-size:18px;font-weight:600;letter-spacing:-.3px;margin:17px 0 4px}.tool-card p{font-size:11px;color:#7c8873;margin:7px 0}.tool-card .fit{color:#3f654d;font-weight:500}.tool-card .tool-limit{padding-top:10px;border-top:1px solid #edf1e8;margin-top:12px;font-size:10px}.tool-card a{margin-top:auto;padding-top:15px;font-size:11px;font-weight:600;color:#749950;text-decoration:none}.bottom-note{margin:14px 0 52px;padding:22px 24px;border-radius:10px;background:#e9efdf;position:relative}.bottom-note strong{font-size:14px}.bottom-note p{font-size:11px;color:#82906f;margin:5px 150px 0 0}.bottom-note button{position:absolute;right:24px;top:29px}#print-report{display:none}.zco-site-footer{background:#102d26}.empty{padding:30px 20px;color:#8a9c7e;text-align:center;font-size:12px}[hidden]{display:none!important}
@media(min-width:1450px){.workspace{max-width:1390px}.dashboard{grid-template-columns:minmax(0,1fr) 320px}.panel{padding:32px}.total strong{font-size:46px}}
@media(max-width:1000px){.workspace{padding:0 26px}.dashboard{grid-template-columns:minmax(0,1fr) 265px;gap:17px}.panel{padding:20px}.summary-card{padding:20px}.hero-aside{padding-right:0}.hero-aside p{display:none}.entry-grid.compact{grid-template-columns:1fr 1fr}.entry-grid.compact>label:last-child{grid-column:1/-1}.section-nav{gap:25px}.tool-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.workspace{padding:0 18px}.hero{padding:30px 0}.hero-aside{display:none}.dashboard{grid-template-columns:1fr}.summary-column{position:static;grid-row:1;grid-template-columns:1fr}.reference-card{display:none}.summary-card{padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.summary-label{grid-column:1/-1}.summary-card>p{grid-column:1}.total strong{font-size:35px}.donut-wrap{display:none}.scope-totals{grid-column:2;grid-row:2/5}.market-total{grid-column:1/-1;margin-top:9px}.summary-card .summary-fine{grid-column:1/-1;margin:12px 0 5px}.summary-button{font-size:10px}.section-nav{gap:0;justify-content:space-between}.section-nav a{font-size:12px}.section-nav span{display:none}.toolbar{flex-wrap:wrap;gap:10px}.toolbar .actions{margin-left:auto}.toolbar p{font-size:10px}.breadcrumb{font-size:10px}.local-pill{padding:4px 8px}.panel{padding:21px}.section-heading h2{font-size:18px}.toolbox{padding-top:36px}.toolbox .section-heading h2{font-size:22px}.bottom-note p{margin-right:0}.bottom-note button{position:static;margin-top:10px}.summary-column .total{grid-column:1}.summary-label span:last-child{font-size:8px}}
@media(max-width:460px){.tool-cards{grid-template-columns:1fr}.project-grid,.entry-grid,.entry-grid.compact,.scenario-grid{grid-template-columns:1fr}.full,.entry-grid.compact>label:last-child{grid-column:auto}.chip{font-size:8px}.activity-top{flex-wrap:wrap;gap:7px}.activity-top h4{min-width:80px}.factor-caption{align-items:flex-start}.factor-unit{grid-template-columns:1fr auto 1fr}.filters{gap:6px}.filters button{font-size:10px;padding:5px 9px}.toolbar .actions{width:100%;justify-content:flex-end}.summary-button{white-space:normal}}
@media print{body{background:white;color:#111}body>*{display:none!important}#print-report{display:block!important;font-size:11pt;line-height:1.7;margin:15mm}#print-report h1{font-size:22pt}#print-report h2{font-size:15pt;margin-top:20pt}#print-report h3{font-size:12pt}#print-report article{break-inside:avoid;border-top:1px solid #bbb;margin:12pt 0;padding-top:8pt}#print-report p{overflow-wrap:anywhere}#print-report .report-note{color:#555}#print-report ul{padding-left:16pt}@page{margin:12mm}}
/* Official workbook comparison */
.official-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;list-style:none;counter-reset:step;padding:0;margin:22px 0}.official-steps li{counter-increment:step;padding:13px;background:#f3f6ee;border-radius:7px;font-size:11px}.official-steps li:before{content:'0' counter(step);display:block;font:10px ui-monospace,monospace;color:#718d58;margin-bottom:7px}.official-steps strong,.official-steps span{display:block}.official-steps span{font-size:10px;color:var(--muted);margin-top:4px}.official-links{display:flex;gap:18px;flex-wrap:wrap;font-size:11px;color:#5f8249;margin-bottom:17px}.official-import{padding:17px;border:1px dashed #cad8bd;border-radius:8px}.official-import>label{margin-top:15px}.official-import>button{margin-top:16px}.check-label{display:flex;align-items:flex-start;gap:8px;margin:16px 0}.check-label input{width:15px;min-width:15px;height:15px;padding:0;margin:2px 0 0;accent-color:#35654b}.official-error{color:#a24e2e}.official-file-info{padding:16px 0;font-size:11px;color:var(--muted)}.official-file-info strong{color:var(--ink)}.file-hash{overflow-wrap:anywhere;font:10px/1.7 ui-monospace,monospace}.official-row{border:1px solid var(--line);border-radius:8px;padding:17px;margin-bottom:14px;font-size:11px;overflow-wrap:anywhere}.official-row-heading{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}.official-row h3{font-size:13px;margin:0}.official-row small{font-weight:400;color:var(--muted);font-size:10px}.official-badge{padding:3px 7px;border-radius:4px;background:#eef1e9;color:#65775b;font-size:10px}.official-badge.match{background:#e3f1d7;color:#436331}.official-badge.difference,.official-badge.blocked{background:#fff0df;color:#94542b}.official-comparison{padding:11px;border-radius:5px;background:#f2f5ed;color:#567045}.official-comparison.difference,.official-comparison.blocked{background:#fff5e9;color:#99653c}.official-row summary{cursor:pointer;color:var(--muted);font-size:10px}#official .method{margin-top:19px}#official input[type=file]{font-size:11px}#official h2{overflow-wrap:anywhere}
@media(max-width:1000px){.section-nav{gap:22px}.official-steps{gap:7px}.official-steps li{padding:10px}}
@media(max-width:760px){.section-nav{gap:16px;overflow-x:auto}.section-nav a{white-space:nowrap;flex-shrink:0}}
@media(max-width:460px){.official-steps{grid-template-columns:1fr}.official-steps li{display:grid;grid-template-columns:22px 1fr;gap:1px 8px}.official-steps li:before{grid-row:1/3;margin:2px 0 0}.official-steps span{grid-column:2}.official-import,.official-row{padding:12px}}