/* mac article-only additions; site article/card system remains unchanged */
.nas-intro{font-size:16.5px;line-height:1.95}
.nas-summary{margin:22px 0 32px;border:1px solid #ccdce2;background:#f6fafb;border-radius:15px;overflow:hidden}
.nas-summary-title{font-weight:800;padding:12px 17px;background:#e5f0f4;color:#204d60;font-size:14px}
.nas-summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.nas-summary-grid>div{padding:17px 14px;border-right:1px solid #d6e5e9;min-width:0}
.nas-summary-grid>div:last-child{border-right:0}
.nas-summary-grid strong{display:block;font-size:14.5px;margin:9px 0 5px;color:#203949}
.nas-summary-grid p{font-size:13px;line-height:1.75;margin:0;color:#4c6270}
.nas-label{display:inline-block;font-size:11px;letter-spacing:.02em;padding:4px 8px;border-radius:20px;font-weight:800}
.nas-label-check{background:#dcefe6;color:#235a46}.nas-label-caution{background:#fff0d2;color:#845820}.nas-label-stop{background:#fce6e3;color:#9d4138}
.nas-insight{margin:22px 0;padding:17px 20px;background:#f2f7fa;border-left:4px solid #3e87a2;line-height:1.9}
.nas-steps{padding-left:27px}.nas-steps li{padding-left:6px;margin:10px 0;line-height:1.85}
.nas-flow{margin:26px 0;background:#f5f8fa;border:1px solid #cbdfe7;padding:18px 20px;border-radius:14px}
.nas-flow-title{font-weight:800;font-size:16px;color:#204960;margin:0 0 14px}.nas-flow-title small{display:block;color:#5e7583;font-size:12px;font-weight:400;margin-top:3px}
.nas-flow-row{display:flex;justify-content:space-between;gap:14px;align-items:center;background:white;border:1px solid #d7e4e9;border-radius:9px;padding:11px 14px;line-height:1.6}
.nas-flow-row span{font-size:14px}.nas-flow-row strong{font-size:13px;text-align:right;color:#09648a}
.nas-flow-arrow{text-align:center;font-size:13px;color:#667884;margin:7px}
.nas-flow-stop{background:#fff7f2;border-color:#f5ceb8}.nas-flow-stop strong{color:#a34a2f}
.nas-sources{padding-left:23px}.nas-sources li{font-size:14px;line-height:1.75;margin:6px 0}
.nas-disclosure{font-size:13.5px;padding:16px;background:#f4f5f6;border:1px solid #e1e4e8;border-radius:8px;line-height:1.9}
.nas-draft-marker{padding:8px 13px;margin:14px 0;background:#f4f6f4;border-left:3px solid #739d8c;font-size:11px;line-height:1.7;color:#65756e}
.article-hero-image img[data-image-role="hero"]{display:block;width:100%;max-width:100%;height:auto;aspect-ratio:1160/800;object-fit:cover}
@media(max-width:720px){.nas-summary-grid{grid-template-columns:1fr}.nas-summary-grid>div{border-right:0;border-bottom:1px solid #d6e5e9}.nas-summary-grid>div:last-child{border-bottom:0}.nas-flow-row{flex-direction:column;align-items:flex-start;gap:5px}.nas-flow-row strong{text-align:left}}

/* NAS-specific diagrams and editorial elements; preserve global card frame. */
.nas-diagram{margin:24px 0 26px;background:#f5f9fc;border:1px solid #d8e5ec;border-radius:12px;padding:15px}
.nas-diagram img{display:block;width:100%;height:auto;max-width:100%;object-fit:contain}
.nas-diagram figcaption{font-size:13px;color:#60717d;margin:8px 0 0;line-height:1.7}
.article-related .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.article-related .related-card{display:block;overflow:hidden;text-decoration:none;color:inherit;border:1px solid #dbe4e9;border-radius:12px;background:white}
.article-related .related-card>img{display:block;width:100%;height:auto;aspect-ratio:1296/800;object-fit:cover}
.article-related .related-card-body{padding:14px 15px}
.article-related .related-card-body span{font-size:12px;color:#3b768f}
.article-related .related-card-body h3{font-size:16px;line-height:1.5;margin:6px 0}
.article-related .related-card-body p{font-size:13px;color:#536b78;line-height:1.6}
@media(max-width:720px){.article-related .related-grid{grid-template-columns:1fr}}