.bn-page{--bn-paper:#fafbf9;--bn-ink:#152c30;--bn-muted:#4a5c56;--bn-accent:#136654;--bn-line:#d8dcd2;--bn-soft:#e9ede4;box-sizing:border-box;width:100%;min-width:0;margin:0;background:var(--bn-paper);color:var(--bn-ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-wrap:break-word}
.bn-page *,.bn-page *::before,.bn-page *::after{box-sizing:border-box}.bn-page :is(h1,h2,h3,p,ul,ol,figure,dl,dd){margin:0}.bn-page :is(h1,h2,h3){color:inherit;font-weight:600;text-wrap:balance}.bn-page a{color:inherit;text-underline-offset:5px}.bn-page a:hover{color:var(--bn-accent)}.bn-page :is(a,summary,video,[tabindex]):focus-visible{outline:3px solid #c3653c;outline-offset:5px}.bn-page [id]{scroll-margin-top:30px}.bn-page img,.bn-page video{display:block;max-width:100%}.bn-page .bn-wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.bn-page .bn-top{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:25px;border-bottom:1px solid var(--bn-line)}.bn-page .bn-kicker{font-size:12px;letter-spacing:.14em;font-weight:700}.bn-page .bn-top span{font-size:11px;color:var(--bn-muted);letter-spacing:.08em}.bn-page .bn-hero{background:#20251f;color:#f6f6f0;position:relative;overflow:hidden}.bn-page .bn-hero-grid{display:grid;grid-template-columns:1fr 1.08fr;min-height:535px;align-items:stretch}.bn-page .bn-hero-copy{padding:60px 48px 56px 0;align-self:center}.bn-page .bn-eyebrow{font-size:11px;letter-spacing:.16em;font-weight:650;color:var(--bn-accent);line-height:1.7}.bn-page .bn-hero .bn-eyebrow{color:#e9a57b}.bn-page .bn-hero h1{font-size:clamp(65px,7.1vw,102px);line-height:1.08;letter-spacing:-.045em;margin-top:23px;font-weight:550}.bn-page .bn-hero-deck{font-size:clamp(24px,2.35vw,34px);line-height:1.5;margin-top:24px;font-weight:450;letter-spacing:-.025em}.bn-page .bn-hero-intro{max-width:450px;color:#c5ccc0;font-size:14px;line-height:1.95;margin-top:18px}.bn-page .bn-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:30px;font-size:13px}.bn-page .bn-button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;padding:13px 23px;min-height:48px;background:var(--bn-accent);color:white;text-decoration:none;font-weight:550;border:1px solid transparent}.bn-page .bn-button:hover{background:#893819;color:white}.bn-page .bn-hero .bn-button{background:#ebeee5;color:#20251f}.bn-page .bn-hero .bn-button:hover{background:white}.bn-page .bn-hero .bn-text-link{color:#e3e8df}.bn-page .bn-hero-visual{position:relative;align-self:stretch;margin-right:calc((min(1280px,100vw - 112px) - 100vw)/2);min-width:0}.bn-page .bn-hero-visual img{height:100%;width:100%;object-fit:cover;object-position:48% center;position:absolute;inset:0}.bn-page .bn-hero-visual figcaption{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(15,20,16,.78));padding:64px 30px 23px;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:white;letter-spacing:.05em}.bn-page .bn-hero-visual strong{font-size:13px;font-weight:550;letter-spacing:.12em}.bn-page .bn-nav{display:flex;align-items:center;justify-content:space-between;gap:22px;padding-block:23px;border-bottom:1px solid var(--bn-line);font-size:12px}.bn-page .bn-nav > span{color:var(--bn-muted)}.bn-page .bn-nav-links{display:flex;gap:30px;align-items:center}.bn-page .bn-nav a{text-decoration:none;white-space:nowrap}.bn-page .bn-nav a span{font-size:10px;color:var(--bn-accent);margin-right:7px}.bn-page .bn-section{padding-block:72px;border-bottom:1px solid var(--bn-line)}.bn-page .bn-heading{display:flex;gap:50px;justify-content:space-between;align-items:end;margin-bottom:33px}.bn-page .bn-heading > div{flex:1 1 55%}.bn-page .bn-heading h2{font-size:clamp(28px,3vw,40px);line-height:1.4;margin-top:10px;letter-spacing:-.035em}.bn-page .bn-phrase{display:inline-block}.bn-page .bn-heading > p{flex:1 1 38%;max-width:450px;font-size:13px;color:var(--bn-muted);line-height:1.95}.bn-page .bn-product{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1fr);gap:50px;align-items:start}.bn-page .bn-product + .bn-product{margin-top:58px;padding-top:58px;border-top:1px solid var(--bn-line)}.bn-page .bn-product-visual{min-width:0}.bn-page .bn-media-stage{background:#20251f;position:relative;display:flex;justify-content:center;align-items:center;min-width:0}.bn-page .bn-media-stage video{width:100%;height:440px;object-fit:contain;background:#1c201b}.bn-page .bn-media-stage img{width:100%;height:440px;object-fit:cover;object-position:center}.bn-page .bn-product-visual figcaption{display:flex;justify-content:space-between;gap:16px;font-size:11px;line-height:1.8;color:var(--bn-muted);padding:14px 0 0}.bn-page .bn-product-visual figcaption a{white-space:nowrap}.bn-page .bn-product-visual figcaption strong{font-weight:550;color:var(--bn-ink)}.bn-page .bn-product-copy{padding-block:4px}.bn-page .bn-product-top{display:flex;justify-content:space-between;align-items:center;gap:15px}.bn-page .bn-number{color:var(--bn-accent);font-size:12px;letter-spacing:.1em;font-weight:650}.bn-page .bn-tag{font-size:11px;padding:4px 10px;border:1px solid #c5cdbe;color:#526047}.bn-page .bn-product h3{font-size:42px;line-height:1.2;letter-spacing:-.035em;margin-top:20px;font-weight:500}.bn-page .bn-product-subtitle{font-size:19px;font-weight:550;margin-top:9px;letter-spacing:-.015em}.bn-page .bn-product-desc{font-size:13px;line-height:1.95;color:var(--bn-muted);margin-top:17px;max-width:550px}.bn-page .bn-product-list{list-style:none;padding:0;margin-top:20px;font-size:13px}.bn-page .bn-product-list li{padding-left:17px;position:relative;line-height:1.9}.bn-page .bn-product-list li + li{margin-top:8px}.bn-page .bn-product-list li::before{content:"";width:4px;height:4px;background:var(--bn-accent);position:absolute;left:0;top:.78em}.bn-page .bn-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:25px;border-block:1px solid var(--bn-line);padding-block:18px;gap:16px}.bn-page .bn-stats dt{font-size:10px;color:var(--bn-muted)}.bn-page .bn-stats dd{font-size:23px;letter-spacing:-.03em;line-height:1.4;font-weight:500;margin-top:6px;white-space:nowrap}.bn-page .bn-stats dd small{font-size:12px;letter-spacing:0;margin-left:3px}.bn-page .bn-inline-note{font-size:11px;color:var(--bn-muted);line-height:1.9;margin-top:14px}.bn-page .bn-product-copy > a{display:inline-block;margin-top:20px;font-size:12px}.bn-page .bn-appearance-note{margin-top:28px;padding-left:17px;border-left:2px solid var(--bn-accent);font-size:11px;color:var(--bn-muted);line-height:1.95}.bn-page .bn-compare{width:100%;overflow-x:auto;overscroll-behavior-inline:contain;border:1px solid var(--bn-line);scrollbar-color:#9ca795 var(--bn-soft)}.bn-page .bn-table{border-collapse:collapse;width:100%;min-width:740px;table-layout:fixed;font-size:13px;line-height:1.85}.bn-page .bn-table caption{text-align:left;font-size:11px;color:var(--bn-muted);padding:13px 20px;background:var(--bn-soft)}.bn-page .bn-table th,.bn-page .bn-table td{padding:19px 23px;text-align:left;vertical-align:top;border-bottom:1px solid var(--bn-line);border-right:1px solid var(--bn-line)}.bn-page .bn-table thead th{background:var(--bn-ink);color:#fafbf9;border-color:#454d40;font-size:18px;font-weight:500}.bn-page .bn-table thead th:first-child{width:20%;font-size:12px}.bn-page .bn-table tbody th{background:var(--bn-soft);font-weight:500;font-size:12px}.bn-page .bn-table td{background:#fbfcf8}.bn-page .bn-table td strong{font-weight:600}.bn-page .bn-table tr > :last-child{border-right:0}.bn-page .bn-table tr:last-child > *{border-bottom:0}.bn-page .bn-table small{display:block;font-size:11px;color:var(--bn-muted);margin-top:4px;line-height:1.85}.bn-page .bn-table tr > :first-child{position:sticky;left:0;z-index:1;box-shadow:1px 0 0 var(--bn-line)}.bn-page .bn-scroll-hint{display:none;font-size:11px;color:var(--bn-muted);margin-bottom:12px}.bn-page .bn-paths{display:grid;grid-template-columns:1fr 1fr;gap:26px}.bn-page .bn-path{padding:29px;background:var(--bn-soft);border-top:2px solid var(--bn-ink)}.bn-page .bn-path h3{font-size:23px;margin-top:11px;line-height:1.5}.bn-page .bn-path > p{font-size:13px;color:var(--bn-muted);margin-top:14px;line-height:1.95}.bn-page .bn-steps{padding:0;list-style:none;margin-top:24px}.bn-page .bn-steps li{display:flex;gap:18px;align-items:baseline;font-size:13px;border-top:1px solid #cdd4c6;padding-block:12px}.bn-page .bn-steps li span{font-size:10px;color:var(--bn-accent);font-variant-numeric:tabular-nums}.bn-page .bn-details{margin-top:26px;border:1px solid var(--bn-line)}.bn-page summary{cursor:pointer}.bn-page .bn-details summary{padding:20px 24px;font-size:14px;font-weight:550}.bn-page summary::marker{color:var(--bn-accent)}.bn-page .bn-details[open] summary{border-bottom:1px solid var(--bn-line)}.bn-page .bn-detail-content{padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:30px;font-size:12px;color:var(--bn-muted);line-height:1.95}.bn-page .bn-detail-content h3{font-size:15px;color:var(--bn-ink);margin-bottom:8px}.bn-page .bn-faq{border-top:1px solid var(--bn-line)}.bn-page .bn-faq details{border-bottom:1px solid var(--bn-line)}.bn-page .bn-faq summary{padding-block:21px;font-size:15px;font-weight:500}.bn-page .bn-faq details > p{padding:0 22px 23px;font-size:13px;color:var(--bn-muted);line-height:1.95;max-width:1050px}.bn-page .bn-footer{display:flex;justify-content:space-between;align-items:start;gap:40px;padding-block:29px 38px;font-size:11px;color:var(--bn-muted);line-height:1.95}.bn-page .bn-footer p{max-width:900px}.bn-page .bn-footer a{flex-shrink:0}.bn-page .bn-footer strong{font-weight:550;color:var(--bn-ink)}
@media(min-width:1700px){.bn-page .bn-hero-visual{margin-right:0}}
@media(max-width:1050px){.bn-page .bn-wrap{width:calc(100% - 64px)}.bn-page .bn-hero-copy{padding:48px 30px 48px 0}.bn-page .bn-hero-grid{min-height:470px;grid-template-columns:1fr 1fr}.bn-page .bn-hero-visual{margin-right:-32px}.bn-page .bn-product{gap:30px}.bn-page .bn-product h3{font-size:34px}.bn-page .bn-product-subtitle{font-size:17px}.bn-page .bn-stats{gap:10px}.bn-page .bn-stats dd{font-size:20px}.bn-page .bn-media-stage video,.bn-page .bn-media-stage img{height:455px}.bn-page .bn-section{padding-block:56px}}
@media(max-width:760px){.bn-page .bn-wrap{width:calc(100% - 40px)}.bn-page .bn-top{padding-block:20px}.bn-page .bn-top span{font-size:9px;letter-spacing:.02em}.bn-page .bn-hero-grid{display:flex;flex-direction:column}.bn-page .bn-hero-copy{padding:40px 0 36px}.bn-page .bn-hero h1{font-size:76px;margin-top:18px}.bn-page .bn-hero-deck{font-size:27px;margin-top:18px}.bn-page .bn-hero-intro{font-size:13px;max-width:520px}.bn-page .bn-actions{margin-top:25px;gap:23px}.bn-page .bn-hero-visual{margin:0 -20px;height:310px;min-height:310px}.bn-page .bn-hero-visual img{object-position:center 58%}.bn-page .bn-hero-visual figcaption{padding:50px 20px 18px}.bn-page .bn-nav{padding-block:19px}.bn-page .bn-nav > span{display:none}.bn-page .bn-nav-links{width:100%;justify-content:space-between;gap:12px;font-size:11px}.bn-page .bn-nav a span{margin-right:3px;font-size:9px}.bn-page .bn-section{padding-block:45px}.bn-page .bn-heading{display:block;margin-bottom:25px}.bn-page .bn-heading h2{font-size:29px}.bn-page .bn-heading > p{margin-top:14px;font-size:13px;max-width:none}.bn-page .bn-product{display:flex;flex-direction:column;gap:24px}.bn-page .bn-product-copy{width:100%;order:0}.bn-page .bn-product-visual{width:100%;order:1}.bn-page .bn-product h3{font-size:37px;margin-top:16px}.bn-page .bn-product-desc{max-width:none}.bn-page .bn-stats dd{font-size:25px}.bn-page .bn-media-stage video{height:390px}.bn-page .bn-media-stage img{height:auto;aspect-ratio:1.4945;object-fit:contain}.bn-page .bn-product + .bn-product{margin-top:38px;padding-top:38px}.bn-page .bn-stats{margin-top:22px}.bn-page .bn-product-copy > a{margin-top:16px}.bn-page .bn-scroll-hint{display:block}.bn-page .bn-table{min-width:0;width:calc(200% - 100px);font-size:12px}.bn-page .bn-table thead th:first-child{width:100px}.bn-page .bn-table th,.bn-page .bn-table td{padding:16px}.bn-page .bn-paths{grid-template-columns:1fr;gap:22px}.bn-page .bn-path{padding:24px}.bn-page .bn-detail-content{grid-template-columns:1fr;gap:23px;padding:22px}.bn-page .bn-details summary{padding:18px 21px;font-size:13px}.bn-page .bn-faq summary{font-size:14px;padding-block:18px}.bn-page .bn-footer{display:block;font-size:10px;gap:0;padding-bottom:29px}.bn-page .bn-footer a{display:inline-block;margin-top:18px}}
@media(max-width:360px){.bn-page .bn-wrap{width:calc(100% - 32px)}.bn-page .bn-hero-visual{margin-inline:-16px}.bn-page .bn-top span{display:none}.bn-page .bn-hero-deck{font-size:25px}.bn-page .bn-nav-links{gap:8px}.bn-page .bn-nav a span{display:none}.bn-page .bn-stats dd{font-size:21px}.bn-page .bn-stats dt{font-size:9px}}
@media(prefers-reduced-motion:no-preference){.bn-page a{transition:color .15s ease,background .15s ease}}
@media print{.bn-page .bn-wrap{width:100%}.bn-page .bn-section{padding-block:28px}.bn-page .bn-hero{color:var(--bn-ink);background:white}.bn-page .bn-hero-intro{color:var(--bn-muted)}.bn-page .bn-hero-grid{min-height:330px}.bn-page .bn-hero-visual{margin-right:0}.bn-page .bn-nav,.bn-page .bn-actions{display:none}.bn-page .bn-compare{overflow:visible}.bn-page .bn-table{min-width:0;font-size:10px}.bn-page .bn-product,.bn-page .bn-path{break-inside:avoid}}
/* Optical properties and reported applications. */
.bn-page .bn-optical-lead{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.93fr);gap:42px;align-items:stretch}
.bn-page .bn-spectrum{padding:35px;background:#152c30;color:#fafbf9;display:flex;flex-direction:column;justify-content:center;min-width:0}
.bn-page .bn-spectrum .bn-eyebrow{color:#e9a57b}.bn-page .bn-spectrum h3{font-size:28px;line-height:1.55;margin-top:19px;letter-spacing:-.025em}
.bn-page .bn-spectrum > p:not(.bn-eyebrow){font-size:13px;color:#c5ccc0;line-height:1.95;margin-top:17px}
.bn-page .bn-spectrum-bands{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));list-style:none;padding:0;margin-top:29px;border-top:1px solid #626a5d;border-bottom:1px solid #626a5d}
.bn-page .bn-spectrum-bands li{padding:20px 12px}.bn-page .bn-spectrum-bands li:first-child{padding-left:0}.bn-page .bn-spectrum-bands li+li{border-left:1px solid #626a5d}.bn-page .bn-spectrum-bands span{display:block;font-size:10px;color:#dba37f;letter-spacing:.07em;line-height:1.5}.bn-page .bn-spectrum-bands strong{display:block;font-size:20px;font-weight:500;line-height:1.5;margin-top:7px}
.bn-page .bn-source-line{display:block;font-size:10px;line-height:1.9;color:var(--bn-muted);margin-top:16px}.bn-page .bn-spectrum > .bn-source-line{font-size:10px}
.bn-page .bn-optical-points article{padding:22px 0;border-top:1px solid var(--bn-line)}.bn-page .bn-optical-points article:first-child{padding-top:8px;border-top:0}.bn-page .bn-optical-points article:last-child{padding-bottom:8px}.bn-page .bn-optical-points h3{font-size:19px;line-height:1.6;margin-top:8px}.bn-page .bn-optical-points p{font-size:13px;line-height:1.95;color:var(--bn-muted);margin-top:8px}
.bn-page .bn-application-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.93fr);gap:42px;margin-top:35px;align-items:stretch}
.bn-page .bn-nasa{padding:35px;border-left:3px solid var(--bn-accent);background:var(--bn-soft);display:flex;flex-direction:column;justify-content:center}
.bn-page .bn-nasa h3{font-size:38px;line-height:1.35;letter-spacing:-.035em;margin-top:21px}.bn-page .bn-nasa .bn-nasa-deck{font-size:23px;color:var(--bn-ink);line-height:1.5;margin-top:13px}.bn-page .bn-nasa > p:not(.bn-eyebrow):not(.bn-nasa-deck):not(.bn-source-line){font-size:14px;color:var(--bn-muted);line-height:1.95;margin-top:19px}.bn-page .bn-nasa .bn-source-line{margin-top:22px;padding-top:17px;border-top:1px solid #c8d0c1}
.bn-page .bn-use-list article{padding:20px 0;border-top:1px solid var(--bn-line)}.bn-page .bn-use-list article:first-child{border-top:0;padding-top:5px}.bn-page .bn-use-list article:last-child{padding-bottom:5px}.bn-page .bn-use-list h3{font-size:19px;line-height:1.6;margin-top:7px}.bn-page .bn-use-list p{font-size:13px;line-height:1.9;color:var(--bn-muted);margin-top:7px}
.bn-page .bn-performance-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-block:46px 26px;padding-top:35px;border-top:1px solid var(--bn-line)}.bn-page .bn-performance-heading>div{flex:1 1 56%}.bn-page .bn-performance-heading h3{font-size:25px;line-height:1.5;letter-spacing:-.02em;margin-top:10px}.bn-page .bn-performance-heading>p{flex:1 1 38%;font-size:11px;color:var(--bn-muted);line-height:1.95;max-width:440px}
.bn-page .bn-performance-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.bn-page .bn-performance-card{padding:25px;background:#fbfcf8;border:1px solid var(--bn-line);display:flex;flex-direction:column;min-width:0}.bn-page .bn-performance-card h4{margin:18px 0 12px;font-size:25px;font-weight:500;line-height:1.45;letter-spacing:-.025em}.bn-page .bn-performance-card h4 small{font-size:13px;letter-spacing:0}.bn-page .bn-performance-card > p:not(.bn-number){font-size:12px;color:var(--bn-muted);line-height:1.95;margin-bottom:20px}.bn-page .bn-performance-card .bn-source-line{margin-top:auto;padding-top:13px;border-top:1px solid var(--bn-line)}
@media(max-width:1050px){.bn-page .bn-nav>span{display:none}.bn-page .bn-nav-links{width:100%;justify-content:space-between}.bn-page .bn-optical-lead,.bn-page .bn-application-grid{gap:26px}.bn-page .bn-spectrum,.bn-page .bn-nasa{padding:27px}.bn-page .bn-performance-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bn-page .bn-nasa h3{font-size:32px}}
@media(max-width:760px){.bn-page .bn-nav-links{gap:8px;font-size:11px}.bn-page .bn-optical-lead,.bn-page .bn-application-grid{grid-template-columns:1fr;gap:26px}.bn-page .bn-spectrum,.bn-page .bn-nasa{padding:25px}.bn-page .bn-spectrum h3{font-size:24px}.bn-page .bn-spectrum-bands strong{font-size:19px}.bn-page .bn-spectrum-bands li{padding:18px 10px}.bn-page .bn-spectrum-bands span{font-size:9px}.bn-page .bn-optical-points article{padding-block:20px}.bn-page .bn-application-grid{margin-top:30px}.bn-page .bn-nasa h3{font-size:32px}.bn-page .bn-nasa .bn-nasa-deck{font-size:22px}.bn-page .bn-performance-heading{display:block;margin-top:30px;padding-top:29px}.bn-page .bn-performance-heading h3{font-size:24px}.bn-page .bn-performance-heading>p{margin-top:14px;max-width:none}.bn-page .bn-performance-grid{grid-template-columns:1fr;gap:16px}.bn-page .bn-performance-card{padding:24px}.bn-page .bn-performance-card h4{margin-top:13px}.bn-page .bn-performance-card > p:not(.bn-number){margin-bottom:15px}}
@media print{.bn-page .bn-optical-lead,.bn-page .bn-application-grid{break-inside:avoid}.bn-page .bn-performance-card{break-inside:avoid}}

/* Laboratory plots and readings */
.bn-page .bn-lab-optical-grid{display:grid;grid-template-columns:minmax(0,1.13fr) minmax(0,1fr);gap:26px;align-items:start}
.bn-page .bn-chart-card{background:#fbfcf8;border:1px solid var(--bn-line);padding:25px;min-width:0}
.bn-page .bn-chart-card h4,.bn-page .bn-lab-readings h4{font-size:22px;font-weight:550;line-height:1.55;letter-spacing:-.02em;margin:11px 0 8px}
.bn-page .bn-chart-card figcaption>p{font-size:11px;color:var(--bn-muted);line-height:1.9}
.bn-page .bn-chart-open{display:inline-block;font-size:11px;margin-top:10px}
.bn-page .bn-chart-card img{width:100%;height:auto;margin:20px auto 12px}
.bn-page .bn-chart-note{font-size:11px;line-height:1.95;color:var(--bn-muted)}
.bn-page .bn-lab-readings{padding:4px 0 0;min-width:0}
.bn-page .bn-lab-estimate-intro{font-size:12px;color:var(--bn-muted);line-height:1.9;margin-bottom:17px}
.bn-page .bn-lab-estimate-intro strong{color:var(--bn-accent);font-weight:550}
.bn-page .bn-data-table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.65;font-variant-numeric:tabular-nums}
.bn-page .bn-data-table caption{text-align:left;padding:11px 14px;background:var(--bn-soft);border:1px solid var(--bn-line);border-bottom:0;color:var(--bn-muted);font-size:11px}
.bn-page .bn-data-table th,.bn-page .bn-data-table td{text-align:left;padding:11px 14px;vertical-align:middle;border:1px solid var(--bn-line)}
.bn-page .bn-data-table thead th{font-size:12px;font-weight:600;background:#e1e6d9}
.bn-page .bn-data-table tbody th{font-weight:500;background:#f0f3eb}
.bn-page .bn-data-table tbody td{background:#fbfcf8}
.bn-page .bn-data-table small{font-size:10px;font-weight:400;color:var(--bn-muted)}
.bn-page .bn-lab-readings .bn-data-table thead th:last-child{background:#eee5db}
.bn-page .bn-lab-readings .bn-data-table tbody td:last-child{background:#f8f2ea}
.bn-page .bn-estimate-note{margin-top:17px;padding:15px 17px;border-left:2px solid var(--bn-accent);background:#eceee5;font-size:11px;line-height:1.95;color:var(--bn-muted)}
.bn-page .bn-estimate-note>strong{display:block;color:var(--bn-ink);font-weight:600;margin-bottom:4px}
.bn-page .bn-lab-download{display:inline-block;margin-top:15px;font-size:12px}
.bn-page .bn-lab-chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;align-items:start;margin-top:26px}
.bn-page .bn-gloss-table{margin-top:22px}
.bn-page .bn-hardness-note{margin-top:22px}
.bn-page .bn-material-details{background:#fbfcf8}
.bn-page .bn-material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;align-items:start}
.bn-page .bn-material-note{grid-column:1/-1;font-size:11px;line-height:1.95;color:var(--bn-muted)}
@media(max-width:1050px){.bn-page .bn-lab-optical-grid{grid-template-columns:1fr}.bn-page .bn-lab-optical-grid>.bn-chart-card{max-width:none}.bn-page .bn-lab-readings{padding-top:0}.bn-page .bn-lab-chart-grid{gap:20px}.bn-page .bn-chart-card{padding:21px}.bn-page .bn-material-grid{grid-template-columns:1fr}.bn-page .bn-material-note{grid-column:auto}}
@media(max-width:760px){.bn-page .bn-lab-optical-grid{gap:26px}.bn-page .bn-lab-chart-grid{grid-template-columns:1fr;gap:24px;margin-top:30px}.bn-page .bn-chart-card{padding:21px 16px}.bn-page .bn-chart-card h4,.bn-page .bn-lab-readings h4{font-size:21px}.bn-page .bn-chart-card img{margin-block:17px 14px}.bn-page .bn-data-table th,.bn-page .bn-data-table td{padding:10px 9px}.bn-page .bn-data-table caption{padding:10px 9px}.bn-page .bn-material-grid{padding:20px 14px;gap:20px}.bn-page .bn-material-grid .bn-data-table{font-size:11px}.bn-page .bn-material-grid .bn-data-table th,.bn-page .bn-material-grid .bn-data-table td{padding:10px 7px}.bn-page .bn-estimate-note{padding:13px 14px}}
@media print{.bn-page .bn-chart-card,.bn-page .bn-lab-readings{break-inside:avoid}.bn-page .bn-lab-download{display:none}}