/* st24BoilerBrand — посадочные «Стабилизатор для котла <марка>» (05.11.2026) */
.st24bb{font-size:15px;line-height:1.55;color:#222}
.st24bb h2{margin:26px 0 10px;font-size:21px;line-height:1.3}
.st24bb-lead{font-size:16px;margin:6px 0 14px}
.st24bb-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 18px}
.st24bb-facts div{border:1px solid #dfe9d9;background:#f6fbf3;border-radius:8px;padding:10px 12px}
.st24bb-facts b{display:block;font-size:18px;color:#2f7a17;line-height:1.25}
.st24bb-facts span{display:block;font-size:13px;color:#555;margin-top:2px}
.st24bb-tw{overflow-x:auto;margin:0 0 6px}
.st24bb-t{width:100%;max-width:640px;border-collapse:collapse;margin:0}
.st24bb-t th,.st24bb-t td{padding:6px 10px;border:1px solid #ddd;text-align:left;vertical-align:top}
.st24bb-t th{background:#f3f3f3;font-weight:bold}
.st24bb-t td+td,.st24bb-t th+th{text-align:center;width:38%}
.st24bb-src{font-size:13px;color:#666;margin:4px 0 12px}
.st24bb-ol{margin:0 0 10px 20px;padding:0}
.st24bb-ol li{margin:0 0 7px}
.st24bb-cards{list-style:none;margin:10px 0 16px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.st24bb-card{margin:0;padding:10px;border:1px solid #e3e3e3;border-radius:8px;background:#fff;display:flex;flex-direction:column;text-align:center}
.st24bb-card:hover{border-color:#4ca42f;box-shadow:0 2px 10px rgba(0,0,0,.07)}
.st24bb-card a{text-decoration:none;color:#222;display:block}
.st24bb-card img{display:block;width:120px;height:120px;object-fit:contain;margin:0 auto 8px}
.st24bb-cn{display:block;font-weight:bold;font-size:15px;line-height:1.3;color:#1a5fa0}
.st24bb-card a:hover .st24bb-cn{text-decoration:underline}
.st24bb-cm{display:block;font-size:13px;color:#555;margin:5px 0 6px;flex:1 0 auto}
.st24bb-cp{display:block;font-size:17px;font-weight:bold;color:#222}
.st24bb-cp small{display:block;font-size:12px;font-weight:normal;color:#2f7a17}
.st24bb-faq details{border:1px solid #e3e3e3;border-radius:8px;margin:0 0 8px;background:#fff}
.st24bb-faq summary{cursor:pointer;padding:10px 14px;font-weight:bold;list-style-position:inside}
.st24bb-faq details[open] summary{border-bottom:1px solid #eee}
.st24bb-faq details p{margin:0;padding:10px 14px}
.st24bb-all{margin:14px 0 6px;display:flex;flex-wrap:wrap;gap:10px}
.st24bb-all .button{display:inline-block;margin:0}
@media (max-width:767px){
 .st24bb h2{font-size:19px}
 .st24bb-facts{grid-template-columns:1fr}
 .st24bb-cards{grid-template-columns:repeat(2,1fr);gap:8px}
 .st24bb-card{padding:8px}
 .st24bb-card img{width:96px;height:96px}
 .st24bb-cn{font-size:14px}
}
@media (max-width:400px){.st24bb-cards{grid-template-columns:1fr}}
.st24bb-all .st24bb-help{background:#4ca42f;border:1px solid #4ca42f;color:#fff;cursor:pointer;font:inherit;font-weight:bold}
.st24bb-all .st24bb-help:hover,.st24bb-all .st24bb-help:focus{background:#3d8a24;border-color:#3d8a24;color:#fff}