.blog-page{max-width:1280px;padding-top:28px;padding-bottom:80px}
.blog-page .breadcrumbs{flex-wrap:wrap;row-gap:8px;line-height:1.5}
.blog-page .breadcrumbs>span{min-width:0;overflow-wrap:anywhere}
.blog-index-header{max-width:760px;padding:30px 0 38px}
.blog-index-header h1{font-size:clamp(36px,4.2vw,58px);line-height:1.08;letter-spacing:-1.8px}
.blog-index-header>p:last-child{max-width:640px;font-size:18px;line-height:1.7;color:var(--muted);margin:0}
.blog-post-list{display:grid;gap:24px}
.blog-card{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,1.7fr);overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
.blog-card-intro{display:flex;flex-direction:column;justify-content:space-between;gap:46px;padding:40px;background:#eaf2e8;color:var(--green)}
.blog-card-intro>.icon{width:44px;height:44px;stroke-width:1.35}
.blog-card-intro p{font-size:clamp(25px,2.5vw,35px);font-weight:650;letter-spacing:-.9px;line-height:1.3;margin:0}
.blog-card-body{padding:40px}
.blog-card h2{font-size:clamp(25px,2.6vw,34px);line-height:1.24;letter-spacing:-.9px;margin-bottom:18px}
.blog-card h2 a{color:var(--ink)}
.blog-card-excerpt{font-size:16px;line-height:1.75;color:var(--muted);margin-bottom:24px}
.blog-byline{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:13px;line-height:1.6;color:var(--muted)}
.blog-byline>span{display:inline-block}
.blog-card .blog-byline{margin-bottom:24px}
.blog-post-header{padding:25px 0 36px;margin-bottom:34px;border-bottom:1px solid var(--line)}
.blog-post-header h1{max-width:1000px;font-size:clamp(32px,4.3vw,54px);line-height:1.12;letter-spacing:-1.4px;margin-bottom:24px;overflow-wrap:break-word}
.blog-post-header .blog-byline{margin:0}
.blog-cover{margin:30px 0 0}
.blog-cover img{display:block;width:100%;height:auto;aspect-ratio:16/7;object-fit:cover;object-position:center 58%;border-radius:20px;background:#edf3ed}
.blog-cover figcaption{margin-top:10px;font-size:12px;line-height:1.6;color:var(--muted)}
.blog-header-copy{min-width:0}
.blog-post-comparison .blog-post-header{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:36px;align-items:center;padding:25px 0 36px}
.blog-post-comparison .blog-post-header h1{font-size:clamp(30px,3.5vw,44px);line-height:1.16;margin-bottom:20px;letter-spacing:-1.1px}
.blog-header-summary{font-size:18px;line-height:1.7;color:var(--muted);margin:0 0 22px;max-width:540px}
.blog-header-action{margin-bottom:24px;min-height:48px;line-height:1.5;white-space:normal}
.blog-post-comparison .blog-cover{margin:0}
.blog-post-comparison .blog-cover img{aspect-ratio:3/2;object-fit:contain}
.blog-comparison-pair,.blog-formula-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}
.blog-formula-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.blog-offer-card,.blog-formula-card{min-width:0;padding:22px;border:1px solid #d2e2d7;border-radius:16px;background:#fff}
.blog-offer-card:last-child{background:#eff7ec}
.blog-content .blog-offer-card h3,.blog-content .blog-formula-card h3{margin:0 0 12px;font-size:19px}
.blog-offer-card p,.blog-formula-card p{margin:0 0 10px}
.blog-offer-card p:last-child,.blog-formula-card p:last-child{margin-bottom:0}
.blog-offer-price{font-size:clamp(24px,2.5vw,30px);line-height:1.35;color:var(--green);font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:-.6px}
.blog-formula-card{padding:18px;background:#f6f8f4;font-size:15px;line-height:1.65}
.blog-content .blog-quick-action{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 20px;background:var(--green);color:#fff;border-radius:12px;line-height:1.5;text-decoration:none}
.blog-content .blog-shelf-steps{list-style:none;counter-reset:shelf;display:grid;gap:12px;padding:0;margin:24px 0}
.blog-content .blog-shelf-steps>li{counter-increment:shelf;position:relative;margin:0;padding:18px 18px 18px 62px;border:1px solid #d2e2d7;border-radius:13px;background:#fff}
.blog-shelf-steps>li:before{content:counter(shelf);position:absolute;left:17px;top:19px;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#d5f4a1;color:#13452d;font-size:15px;font-weight:750}
.blog-shelf-steps strong{display:block}
@media(max-width:1050px){.blog-formula-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:760px){.blog-post-comparison .blog-post-header{grid-template-columns:minmax(0,1fr);gap:24px;padding:12px 0 24px}.blog-post-comparison .blog-post-header h1{font-size:clamp(29px,6.8vw,39px);letter-spacing:-.8px}.blog-header-summary{font-size:16px;line-height:1.7;margin-bottom:18px}.blog-header-action{width:100%;margin-bottom:20px}.blog-post-comparison .blog-cover{max-width:520px}.blog-post-comparison .blog-cover figcaption{font-size:12px}.blog-formula-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:560px){.blog-comparison-pair,.blog-formula-grid{grid-template-columns:minmax(0,1fr);gap:12px}.blog-offer-card{padding:20px}.blog-content .blog-quick-action{width:100%;box-sizing:border-box}.blog-content .blog-shelf-steps>li{padding-right:14px}}
.blog-card-image{min-width:0;background:#eaf2e8}
.blog-card-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:52% center}
.blog-reading-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:58px;align-items:start}
.blog-sidebar{position:sticky;top:112px;min-width:0}
.blog-toc{background:#edf3ed;border:1px solid #dee8de;border-radius:16px;padding:22px 19px;max-height:calc(100vh - 140px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#a9bdad transparent}
.blog-toc>summary{min-height:44px;padding:10px 0;font-size:14px;font-weight:700;line-height:1.55;letter-spacing:-.15px;color:var(--ink);cursor:pointer}
.blog-toc>summary:focus-visible{outline:3px solid #388761;outline-offset:3px;border-radius:3px}
.blog-toc[open]>summary{margin-bottom:14px}
.blog-toc ul{list-style:none;margin:0;padding:0;display:grid;gap:5px}
.blog-toc a{display:block;padding:6px 2px;font-size:13px;line-height:1.5;color:#3b5948;overflow-wrap:break-word}
.blog-toc a:hover{color:var(--green)}
.blog-toc .blog-toc-divider{border-top:1px solid #d3dfd4;margin-top:10px;padding-top:10px}
.blog-content{min-width:0;max-width:790px;font-size:17px;line-height:1.85;overflow-wrap:break-word}
.blog-content>p{margin:0 0 23px}
.blog-content .blog-lead{font-size:20px;line-height:1.75;color:var(--ink);font-weight:550;margin-bottom:25px}
.blog-content h2{font-size:clamp(24px,2.3vw,30px);line-height:1.3;letter-spacing:-.65px;margin:48px 0 20px;scroll-margin-top:var(--anchor-offset,115px)}
.blog-content h3{font-size:20px;line-height:1.45;letter-spacing:-.3px;margin:31px 0 15px;scroll-margin-top:var(--anchor-offset,115px)}
.blog-content a{font-weight:550;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;overflow-wrap:anywhere}
.blog-content a:hover{text-decoration-thickness:2px}
.blog-content ul,.blog-content ol{padding-left:26px;margin:0 0 24px}
.blog-content li{padding-left:4px;margin-bottom:12px}
.blog-content strong{font-weight:700;color:var(--ink)}
.blog-table-wrap{max-width:100%;overflow-x:auto;margin:24px 0 15px;border:1px solid var(--line);border-radius:12px;background:#fff;scrollbar-width:thin}
.blog-content table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.6}
.blog-content th,.blog-content td{padding:15px 17px;border-bottom:1px solid var(--line);text-align:left}
.blog-content th{background:#eaf2e8;color:var(--ink);font-weight:700}
.blog-content td:not(:first-child),.blog-content th:not(:first-child){text-align:right;font-variant-numeric:tabular-nums}
.blog-content td{white-space:nowrap}
.blog-content tbody tr:last-child td{border-bottom:0}
.blog-table-wrap+p{font-size:14px;color:var(--muted)}
.blog-article-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;margin-top:42px;padding-top:24px;border-top:1px solid var(--line);font-size:14px}
.blog-content .blog-section-label{font-size:11px;line-height:1.6;font-weight:750;letter-spacing:1px;color:#285940;margin:0 0 12px}
.blog-takeaway,.blog-calculation,.blog-checklist,.blog-unit-calculator{border:1px solid #cddfcd;border-radius:16px;background:#eef5ed;padding:26px;margin:28px 0;min-width:0}
.blog-takeaway ul{padding-left:22px;margin:0 0 16px}
.blog-takeaway li{margin:0 0 10px}
.blog-takeaway>a{font-size:14px}
.blog-content .blog-editor-note{padding:0 0 0 16px;border-left:3px solid #c6d8c7;font-size:14px;line-height:1.8;color:#50665a}
.blog-calculation{background:#fbf9e9;border-color:#e8e1b6}
.blog-calculation p:last-child{margin-bottom:0}
.blog-content .blog-equation{font-size:clamp(19px,2.1vw,26px);line-height:1.5;letter-spacing:-.3px;margin:0 0 15px;font-variant-numeric:tabular-nums}
.blog-checklist legend,.blog-unit-calculator legend{font-size:20px;line-height:1.5;font-weight:700;letter-spacing:-.3px;padding:0 8px;max-width:100%}
.blog-checklist label{display:flex;align-items:flex-start;gap:13px;padding:13px 0;border-bottom:1px solid #d5e3d3;line-height:1.65;cursor:pointer}
.blog-checklist label:last-child{border-bottom:0}
.blog-checklist input{appearance:auto;flex:0 0 21px;width:21px;height:21px;margin:4px 0 0;accent-color:#075037}
.blog-checklist input:checked+span{text-decoration:line-through;color:#52695b}
.blog-checklist input:focus-visible,.blog-unit-calculator :is(input,select,button):focus-visible{outline:3px solid #388761;outline-offset:3px}
.blog-unit-calculator[hidden]{display:none}
.blog-unit-calculator{background:#fff}
.blog-unit-calculator>p{font-size:15px;margin:0 0 18px}
.blog-calculator-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 95px;gap:12px;margin:0 0 20px}
.blog-calculator-fields label{display:grid;gap:7px;font-size:13px;line-height:1.5;font-weight:650}
.blog-calculator-fields input,.blog-calculator-fields select{box-sizing:border-box;min-width:0;width:100%;height:46px;font:inherit;font-size:16px;background:#fff;color:#143d2c;border:1px solid #9db2a5;border-radius:8px;padding:10px 12px}
.blog-calculator-fields [aria-invalid=true]{border-color:#a63624;outline:2px solid #a63624;outline-offset:1px}
.blog-unit-calculator>.button{white-space:normal;text-align:center;line-height:1.5;min-height:46px}
.blog-unit-calculator output{display:block;font-size:20px;font-weight:700;line-height:1.5;margin:22px 0 12px;color:#075037;font-variant-numeric:tabular-nums}
.blog-unit-calculator>.blog-tool-note{font-size:12px;color:var(--muted);margin:0}
.blog-faq{margin:52px 0}
.blog-faq>h2{margin-top:0}
.blog-faq-item{margin:12px 0;background:#fff;border:1px solid #d4e1d6;border-radius:13px;overflow:hidden}
.blog-faq-item>summary{cursor:pointer;position:relative;display:block;list-style:none;padding:20px 52px 20px 22px;font-size:17px;font-weight:650;line-height:1.6;color:#153d2b;scroll-margin-top:var(--anchor-offset,115px)}
.blog-faq-item>summary::-webkit-details-marker{display:none}
.blog-faq-item>summary:after{content:'+';position:absolute;right:19px;top:17px;font-size:25px;line-height:30px;font-weight:400;color:#237347}
.blog-faq-item[open]>summary{background:#eef5ed}
.blog-faq-item[open]>summary:after{content:'−'}
.blog-faq-item>summary:focus-visible{outline:3px solid #388761;outline-offset:-4px;border-radius:12px}
.blog-faq-answer{padding:20px 22px}
.blog-faq-answer p{margin:0;font-size:16px;line-height:1.8}
@media(max-width:1000px){.blog-reading-layout{grid-template-columns:225px minmax(0,1fr);gap:32px}.blog-toc{padding:20px 15px}.blog-card-body{padding:30px}.blog-card-intro{padding:30px}}
@media(max-width:760px){.blog-page{padding-top:20px;padding-bottom:48px}.blog-index-header{padding:18px 0 28px}.blog-index-header h1{letter-spacing:-1.2px}.blog-card{grid-template-columns:1fr;border-radius:17px}.blog-card-intro{padding:23px;flex-direction:row;justify-content:flex-start;align-items:center;gap:22px}.blog-card-intro>.icon{width:34px;height:34px}.blog-card-intro p{font-size:22px;letter-spacing:-.5px}.blog-card-body{padding:25px}.blog-post-header{padding:18px 0 26px;margin-bottom:24px}.blog-post-header h1{letter-spacing:-.9px}.blog-reading-layout{grid-template-columns:minmax(0,1fr);gap:28px}.blog-sidebar{position:static}.blog-toc{max-height:none;padding:22px}.blog-toc ul{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px}.blog-toc .blog-toc-divider{border:0;margin:0;padding:0}.blog-content{font-size:16px;line-height:1.85;max-width:none}.blog-content .blog-lead{font-size:19px}.blog-content h2{margin-top:38px}.blog-content th,.blog-content td{padding:12px}.blog-byline{gap:6px 20px}}
@media(max-width:480px){.blog-toc ul{grid-template-columns:1fr;gap:2px}.blog-toc .blog-toc-divider{border-top:1px solid #d3dfd4;margin-top:8px;padding-top:8px}.blog-toc a{padding:7px 2px;font-size:14px}.blog-card-body{padding:22px}.blog-content table{font-size:14px}.blog-content th,.blog-content td{padding:11px 10px}.blog-content h3{font-size:19px}.blog-byline{flex-direction:column;gap:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:760px){.blog-cover img{aspect-ratio:3/2;object-fit:contain;border-radius:14px}.blog-card-image img{aspect-ratio:3/2;height:auto}.blog-takeaway,.blog-calculation,.blog-checklist,.blog-unit-calculator{padding:22px}.blog-checklist legend,.blog-unit-calculator legend{font-size:18px}.blog-faq-item>summary{font-size:16px;padding-left:18px}.blog-faq-answer{padding:18px}}
@media(max-width:480px){.blog-takeaway,.blog-calculation,.blog-checklist,.blog-unit-calculator{padding:18px}.blog-calculator-fields{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.blog-calculator-fields>label:first-child{grid-column:1/-1}.blog-unit-calculator>.button{width:100%;font-size:14px}.blog-unit-calculator output{font-size:18px}.blog-cover{margin-top:24px}}
@media print{.blog-sidebar,.blog-article-footer{display:none}.blog-page{max-width:none;padding:0}.blog-reading-layout{display:block}.blog-content{max-width:none;font-size:11pt}.blog-content h2,.blog-content h3{break-after:avoid}.blog-content table{break-inside:avoid}.blog-table-wrap{overflow:visible}.blog-post-header h1{font-size:26pt}.blog-post-header{margin-bottom:22px;padding-top:0}}
@media print{.blog-cover,.blog-unit-calculator{display:none}.blog-faq-item{break-inside:avoid}.blog-faq-item::details-content{content-visibility:visible}.blog-faq-answer{display:block!important}.blog-checklist label{break-inside:avoid}.blog-takeaway,.blog-calculation,.blog-checklist{background:#fff}}
