/* Keep all units in normal document flow, with stable reserved space. */
.site-ad{--ad-height:250px;display:block;clear:both;margin:28px 0;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center;position:static;min-width:0;max-width:100%}
.site-ad--intro,.site-ad--footer{--ad-height:100px}
.site-ad[hidden]{display:none}
.site-ad-label{display:block;margin-bottom:8px;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.5}
.site-ad-slot{width:100%;max-width:970px;min-height:var(--ad-height);margin-inline:auto;line-height:0;text-align:center}
.site-ad-slot .adsbygoogle{display:block;width:100%;height:var(--ad-height);margin:0 auto;text-align:left}
.site-ad-preview{display:flex;align-items:center;justify-content:center;width:100%;height:var(--ad-height);padding:12px;margin:auto;background:#edf2f8;color:#60738b;font-size:13px;line-height:1.4;border:1px dashed #b9c8da;box-sizing:border-box}
.article-grid>article{min-width:0}
@media(min-width:800px){.site-ad--intro,.site-ad--footer{--ad-height:90px}}
@media(max-width:600px){.site-ad{margin:24px 0;padding:12px 0}}

.site-ad--footer{width:min(1160px,calc(100% - 32px));margin-inline:auto}