:root{--blue:#1254a0;--navy:#182b49;--cyan:#00a0d8;--ink:#162a40;--muted:#5c6b7a;--line:#d8e1e8;--light:#f1f5f8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}a,summary{touch-action:manipulation}a:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}a:hover{color:var(--blue)}img{max-width:100%;display:block}.wrap{width:min(1320px,calc(100% - 80px));margin:auto}.header{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:25px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:20px}.brand img{width:127px;height:76px;object-fit:contain}.brand span{font-size:12px;line-height:1.5;border-left:1px solid 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.flow-diagram{position:relative;display:grid;grid-template-columns:1fr 150px 1fr;background:var(--light);padding:35px 40px 20px;align-items:center;margin-bottom:45px;text-align:center;gap:15px}.flow-diagram span{display:block;font-size:12px;color:var(--muted)}.flow-diagram b{display:block;font-size:32px;letter-spacing:8px;color:#99795c;font-weight:400}.flow-out b{color:var(--blue)}.mesh i{display:block;width:70px;height:95px;margin:8px auto;background:repeating-linear-gradient(90deg,transparent 0 8px,#537b9f 8px 9px),repeating-linear-gradient(0deg,transparent 0 8px,#537b9f 8px 9px);border:3px solid var(--blue)}.mesh small{font-size:10px;color:var(--muted)}.drain{grid-column:1/-1;color:var(--blue);font-size:13px}.diagram-caption{grid-column:1/-1;color:var(--muted);font-size:10px}@media(max-width:700px){.flow-diagram{grid-template-columns:1fr 95px 1fr;padding:25px 10px 18px;gap:3px}.flow-diagram b{font-size:20px;letter-spacing:1px}.flow-diagram span{font-size:10px}.mesh i{width:48px;height:75px}.mesh small{font-size:8px}.drain{margin-top:15px;font-size:11px}.diagram-caption{margin-top:10px;font-size:9px}}

body{background:#fff}