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/* MBB_STAGE2_DEPTH_V1 */
.stage2-depth{border-top:1px solid var(--line)}
.stage2-depth .section-head{align-items:end}
.depth-intro{max-width:850px;color:#40526a;font-size:17px}
.review-chip{display:inline-flex;align-items:center;border:1px solid #b8c9e3;border-radius:999px;padding:7px 11px;background:#f7faff;color:#174a91;font-size:11px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.depth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}
.depth-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.depth-card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:#2d67ff}
.depth-card.safety:before{background:#dc6431}.depth-card.maintenance:before{background:#147f88}.depth-card.cost:before{background:#6b56d8}.depth-card.dates:before{background:#174daa}
.depth-card>span{display:block;color:#526782;font-size:10px;font-weight:900;letter-spacing:.1em}
.depth-card h3{margin:8px 0 11px;color:#102640;font-size:21px;line-height:1.15}
.depth-card p{color:#4c5f77;font-size:14px}.depth-card li{margin:8px 0;color:#253b56;font-size:14px}
.depth-card ul{padding-left:19px;margin:10px 0 13px}
.evidence-ledger{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:16px;padding:18px 20px;border:1px solid #b9cbe5;border-radius:14px;background:#edf4ff}
.evidence-ledger div{display:flex;flex-direction:column;gap:4px}.evidence-ledger strong{color:#102640}.evidence-ledger span{color:#536982;font-size:13px}.evidence-ledger a{font-weight:850;white-space:nowrap}
.stage2-citations{margin-top:16px;padding:19px 21px;border:1px solid var(--line);border-radius:14px;background:#f8fafc}
.stage2-citations h3{margin:0 0 5px;font-size:17px;color:#102640}.stage2-citations p{margin:0;color:#607189;font-size:13px}
.stage2-citations ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 20px;padding:0;margin:15px 0 0;list-style:none}
.stage2-citations li{display:flex;flex-direction:column;gap:2px}.stage2-citations a{font-size:13px;font-weight:800}.stage2-citations span{color:#6c7e93;font-size:12px}
@media(max-width:720px){.depth-grid,.stage2-citations ul{grid-template-columns:1fr}.review-chip{margin-top:12px}.evidence-ledger{align-items:flex-start;flex-direction:column}.evidence-ledger a{white-space:normal}.depth-card{padding:19px}.depth-card h3{font-size:19px}}
@media print{.depth-card,.stage2-citations,.evidence-ledger{break-inside:avoid;box-shadow:none}}