/* Research figures retain their original data, colors and aspect ratios. */
.vbl-research .evolution-heading h1{font-size:clamp(43px,5.5vw,68px);line-height:1.1;letter-spacing:-1.7px}
.vbl-research .evolution-deck{max-width:530px;font-size:27px}
.vbl-paper-status{font:13px/1.85 Arial,'PingFang SC',sans-serif!important;color:var(--muted);margin-top:25px!important}
.vbl-figure{margin:35px 0 42px;padding:24px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.vbl-figure-top{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:14px}
.vbl-figure-top .eyebrow{font-size:10px;line-height:1.8;margin:0;color:var(--accent);letter-spacing:.7px}
.vbl-figure-open{background:none;border:0;color:var(--accent);padding:5px 0;cursor:pointer;font:12px/1.8 Arial,'PingFang SC',sans-serif;white-space:nowrap}
.vbl-figure h3{font:400 24px/1.5 Georgia,'Songti SC',serif;margin:0 0 22px}
.vbl-figure-image{display:block;border:0;padding:12px;background:#fff;width:100%;cursor:zoom-in;border-radius:3px;overflow:hidden}
.vbl-figure-image img{display:block;width:100%;height:auto;object-fit:contain;filter:none!important;opacity:1!important}
.vbl-figure figcaption{font:13px/1.9 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:21px 0 0;overflow-wrap:anywhere}
.vbl-equation{border-block:1px solid var(--line);padding:25px 0;margin:35px 0}
.vbl-equation-label{display:block;font:11px/1.8 Arial,'PingFang SC',sans-serif;letter-spacing:.6px;color:var(--accent);margin-bottom:20px}
.vbl-math{font:400 clamp(17px,1.75vw,24px)/1.8 Georgia,'Songti SC',serif;overflow-wrap:anywhere}
.vbl-equation p,.vbl-method-note{font:14px/1.9 Arial,'PingFang SC',sans-serif!important;color:var(--muted)}
.vbl-equation p{margin:17px 0 0!important}
.vbl-rate-list{padding:10px 0;margin:30px 0}
.vbl-rate-row{margin-bottom:24px}
.vbl-rate-row>div:first-child{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:baseline;font:14px/1.8 Arial,'PingFang SC',sans-serif;margin-bottom:11px}
.vbl-rate-row strong{margin-left:auto;font-size:18px;font-weight:400;font-variant-numeric:tabular-nums}
.vbl-rate-count{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.vbl-rate-track{height:9px;background:var(--line);border-radius:2px;overflow:hidden}
.vbl-rate-track>span{display:block;height:100%;width:var(--rate);background:var(--accent)}
.vbl-rate-row:first-child .vbl-rate-track>span{background:#77776d}
.vbl-rate-row:nth-child(2) .vbl-rate-track>span{background:#7e8a7b}
.vbl-result-note{border-left:2px solid var(--accent);padding:6px 0 6px 26px;margin:32px 0}
.vbl-result-note>strong{font:400 27px/1.5 Georgia,'Songti SC',serif;color:var(--ink)}
.vbl-result-note p{font:16px/1.9 Georgia,'Songti SC',serif!important;margin:18px 0 0!important}
.vbl-table-wrap{max-width:100%;overflow-x:auto;border:1px solid var(--line);margin:32px 0 25px;border-radius:4px}
.vbl-table-wrap table{border-collapse:collapse;width:100%;font:14px/1.9 Arial,'PingFang SC',sans-serif;font-variant-numeric:tabular-nums}
.vbl-table-wrap caption{text-align:left;padding:18px 20px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}
.vbl-table-wrap th,.vbl-table-wrap td{text-align:left;padding:17px 20px;border-bottom:1px solid var(--line);font-weight:400;white-space:nowrap}
.vbl-table-wrap thead th{font-size:12px;color:var(--muted);background:var(--surface)}
.vbl-table-wrap tr:last-child th,.vbl-table-wrap tr:last-child td{border-bottom:0}
.vbl-positive{color:var(--accent)}
.vbl-structural-card{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:28px;margin:34px 0}
.vbl-structural-card .eyebrow{display:block;font-size:10px;line-height:1.8;letter-spacing:.5px}
.vbl-structural-card strong{display:block;font:400 40px/1.5 Georgia,'Songti SC',serif;margin-top:17px}
.vbl-structural-card strong small{font:14px/1.7 Arial,'PingFang SC',sans-serif;color:var(--muted)}
.vbl-structural-card>p{grid-column:1/-1;font:15px/1.9 Georgia,'Songti SC',serif!important;margin:0!important}
.vbl-publication-note{border-top:1px solid var(--line);padding-top:23px;margin:30px 0;color:var(--muted);font:14px/1.9 Arial,'PingFang SC',sans-serif}
html.vbl-dialog-open{overflow:hidden}
.vbl-image-dialog{border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);padding:24px;max-width:calc(100vw - 48px);width:1150px;max-height:calc(100dvh - 48px);overflow:auto}
.vbl-image-dialog::backdrop{background:rgb(12 12 11 / 80%);backdrop-filter:blur(5px)}
.vbl-dialog-header{display:flex;justify-content:space-between;align-items:center;gap:22px;margin-bottom:23px}
.vbl-dialog-header h2{font:400 25px/1.5 Georgia,'Songti SC',serif;margin:0}
.vbl-dialog-header button{font:27px/1 Arial,sans-serif;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--ink);width:40px;height:40px;cursor:pointer;flex:none}
.vbl-dialog-image{background:white;padding:14px;border-radius:4px}
.vbl-dialog-image img{display:block;width:100%;height:auto;object-fit:contain}
.vbl-dialog-caption{font:13px/1.9 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:22px 0 0}
.vbl-pan-hint{display:none}
@media(max-width:640px){
 .vbl-research .evolution-heading h1{font-size:43px;letter-spacing:-.9px}.vbl-research .evolution-deck{font-size:23px}
 .vbl-figure{padding:20px 15px;margin:27px 0 34px}.vbl-figure h3{font-size:22px;margin-bottom:18px}.vbl-figure-image{padding:8px}.vbl-figure figcaption{font-size:12px}
 .vbl-figure-top .eyebrow{font-size:9px}.vbl-figure-top{gap:12px}.vbl-figure-open{font-size:11px}
 .vbl-equation{padding:23px 0}.vbl-math{font-size:17px;line-height:2}
 .vbl-rate-row>div:first-child{gap:8px 12px;font-size:12px}.vbl-rate-row strong{font-size:17px}.vbl-rate-count{font-size:11px}
 .vbl-result-note{padding-left:19px}.vbl-result-note>strong{font-size:23px}.vbl-result-note p{font-size:16px!important}
 .vbl-table-wrap th,.vbl-table-wrap td{padding:14px 12px;font-size:12px}.vbl-table-wrap caption{padding:16px 12px}
 .vbl-structural-card{padding:23px 18px;gap:25px 20px}.vbl-structural-card strong{font-size:32px}.vbl-structural-card .eyebrow{font-size:9px}
 .vbl-image-dialog{padding:18px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px)}.vbl-dialog-header h2{font-size:21px}.vbl-dialog-image{padding:6px}
 .vbl-dialog-header{position:sticky;top:0;z-index:1;background:var(--bg);padding-bottom:10px}
 .vbl-dialog-image{overflow:auto;max-height:55dvh;overscroll-behavior:contain}
 .vbl-dialog-image img{min-width:760px}
 .vbl-pan-hint{display:block;font:11px/1.8 Arial,'PingFang SC',sans-serif;color:var(--muted);margin:12px 0 0}
}
@media print{.vbl-figure,.vbl-result-note,.vbl-structural-card{break-inside:avoid}.vbl-figure-open{display:none}.vbl-table-wrap{overflow:visible}.vbl-image-dialog{display:none}}