.bcw,.bcw *{box-sizing:border-box;letter-spacing:0}
.bcw{display:block;font-family:inherit}
.bcw__module{background:var(--bcw-bg);color:var(--bcw-ink);padding:var(--bcw-pm) 20px;scroll-margin-top:100px}
.bcw__inner{width:100%;max-width:var(--bcw-max);margin-inline:auto;min-width:0}
.bcw h1,.bcw h2,.bcw h3{font-family:inherit;color:inherit;margin:0;overflow-wrap:anywhere;text-wrap:balance}
.bcw h1{font-size:36px;line-height:1.1;max-width:720px}
.bcw h2{font-size:var(--bcw-h-m);line-height:1.15;max-width:760px}
.bcw h3{font-size:22px;line-height:1.2}
.bcw p{margin:0}
.bcw__prose{font-size:16px;line-height:1.65;max-width:720px;margin-top:18px;overflow-wrap:anywhere}
.bcw__prose p+p{margin-top:12px}
.bcw__prose ul{padding-left:20px;margin:0}
.bcw__prose li+li{margin-top:12px}
.bcw .bcw__eyebrow{font-size:12px;line-height:1.4;font-weight:750;margin-bottom:14px;color:var(--bcw-accent)}
.bcw__support{max-width:650px;font-size:14px;line-height:1.5;opacity:.8;margin-top:16px!important}
.bcw__button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:46px;padding:12px 20px;border:1px solid var(--bcw-button);border-radius:6px;background:var(--bcw-button);color:var(--bcw-button-text);font-size:15px;font-weight:700;line-height:1.4;text-align:center;text-decoration:none;max-width:100%;overflow-wrap:anywhere}
.bcw__button--outline{background:transparent;color:var(--bcw-ink)}
.bcw__module--hero .bcw__button{margin-top:20px}
.bcw a:focus-visible,.bcw summary:focus-visible{outline:3px solid var(--bcw-accent);outline-offset:4px}
.bcw__visual{margin:24px 0 0;max-width:600px}
.bcw__visual img{display:block;width:100%;height:220px;object-fit:contain}
.bcw__visual figcaption{font-size:13px;line-height:1.5;margin-top:12px;opacity:.8}
.bcw__note{font-size:16px;line-height:1.6;border-left:3px solid var(--bcw-accent);padding-left:16px;max-width:720px;margin-top:24px!important}
.bcw__diagram{max-width:580px;margin:28px auto 0;text-align:center;font-size:13px;font-weight:750;line-height:1.5}
.bcw__supply{padding:14px 0}
.bcw__down{display:block;font-size:26px;color:var(--bcw-accent)}
.bcw__valve{width:150px;margin:auto!important;border:1px solid var(--bcw-accent);border-radius:6px;padding:14px;background:#eff7f6;color:#073f3f}
.bcw__branches{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;padding-top:24px}
.bcw__branches::before{content:"";position:absolute;top:0;height:24px;left:50%;border-left:1px solid var(--bcw-accent)}
.bcw__branches::after{content:"";position:absolute;top:24px;left:25%;right:25%;border-top:1px solid var(--bcw-accent)}
.bcw__branches span{display:block;font-size:26px;line-height:1.4;color:var(--bcw-accent)}
.bcw__branches p{padding:12px 4px;border-bottom:1px solid #cddedc;overflow-wrap:anywhere}
.bcw__comparison,.bcw__benefits{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;margin-top:24px}
.bcw__compare,.bcw__benefits article{background:var(--bcw-card);color:var(--bcw-card-ink);border:1px solid #d6e3e1;border-radius:var(--bcw-radius);padding:24px;min-width:0}
.bcw__compare{display:flex;flex-direction:column}
.bcw__compare .bcw__prose{flex:1;margin-bottom:24px}
.bcw__conclusion{border-top:1px solid #d6e3e1;padding-top:16px;font-size:15px;line-height:1.5;font-weight:650}
.bcw__answer{font-size:36px;line-height:1.1;font-weight:750;margin-top:18px!important}
.bcw__number{display:block;color:var(--bcw-accent);font-size:13px;font-weight:750;margin-bottom:16px}
.bcw__faq{margin-top:24px;max-width:800px}
.bcw details{border-top:1px solid #cadbd8;padding:0}
.bcw details:last-child{border-bottom:1px solid #cadbd8}
.bcw summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:60px;padding:18px 0;font-size:16px;line-height:1.45;font-weight:650;cursor:pointer}
.bcw summary::-webkit-details-marker{display:none}
.bcw summary span{font-size:22px;flex-shrink:0;font-weight:400}
.bcw details[open]>summary span{transform:rotate(45deg)}
.bcw details>.bcw__prose{margin:0;padding:0 0 20px}
.bcw__proof{font-size:17px;font-weight:650;line-height:1.6;margin-top:18px!important}
.bcw__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.bcw__sources summary{font-size:13px;font-weight:500}
.bcw__sources .bcw__prose,.bcw__sources li{font-size:13px;line-height:1.6}
.bcw__sources ul{padding-left:18px;margin:0 0 20px}
.bcw__sources a{color:inherit;text-underline-offset:3px;display:inline-block;padding:6px 0}
@media(min-width:750px){.bcw__module{padding:var(--bcw-pd) 32px}.bcw h1{font-size:52px}.bcw h2{font-size:var(--bcw-h-d)}.bcw__comparison{grid-template-columns:repeat(2,minmax(0,1fr))}.bcw__benefits{grid-template-columns:repeat(3,minmax(0,1fr))}.bcw__visual img{height:250px}.bcw__answer{font-size:44px}}
@media(hover:hover) and (pointer:fine){.bcw__button:hover{filter:brightness(.92)}}