.drain-page{max-width:650px;margin:auto}.drain-page .field-heading{margin-bottom:14px}.drain-model{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:12px 0 20px}.drain-model small{display:block;margin-top:5px;color:var(--r-muted);font-size:12px}.drain-model>a{display:grid;place-items:center;min-width:64px;min-height:44px;font-size:13px}.drain-overview{border:1px solid var(--r-line);border-radius:16px;background:var(--r-surface);overflow:hidden}.drain-height{padding:20px 20px 0}.drain-height>span{display:block;color:var(--r-muted);font-size:13px}.drain-height>strong{display:block;font-family:Archivo,Inter,sans-serif;font-size:46px;line-height:1.15;margin:7px 0;color:var(--r-ink)}.drain-height small{font-size:23px}.drain-height>b{font-weight:550;font-size:15px;color:var(--r-blue)}.drain-height .drain-gravity{font-size:29px}.drain-figure{margin:12px 0 0;background:var(--r-wash);border-radius:12px;overflow:hidden}.drain-overview .drain-figure{border-radius:0}.drain-figure svg{display:block;width:100%;max-height:270px;color:var(--r-blue)}.drain-figure text{fill:var(--r-ink);font:13px Inter,sans-serif}.drain-figure .drain-big-label{font-weight:700;font-size:16px}.drain-unit{fill:var(--r-surface);stroke:var(--r-line-control);stroke-width:1.5}.drain-grille{fill:none;stroke:var(--r-line-control);stroke-width:3}.drain-pipe{fill:none;stroke:var(--r-blue);stroke-width:7;stroke-linejoin:round;stroke-linecap:round}.drain-reference{fill:none;stroke:var(--r-muted);stroke-width:1;stroke-dasharray:4 4}.drain-dimension{fill:none;stroke:var(--r-blue);stroke-width:1.5}.drain-figure figcaption{padding:4px 12px 12px;font-size:11px;line-height:1.45;text-align:center;color:var(--r-muted)}.drain-key-facts{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:16px 20px}.drain-key-facts span{display:block;font-size:12px;color:var(--r-muted);margin-bottom:6px}.drain-key-facts strong{font-size:15px;color:var(--r-ink)}.drain-page>.button{margin:18px 0 4px}.drain-page>.details{margin:18px 0}.drain-details .detail-content{font-size:14px;line-height:1.65}.drain-specs{margin:10px 0 22px}.drain-specs>div{border-bottom:1px solid var(--r-line);padding:10px 0}.drain-specs dt{font-weight:650;color:var(--r-ink)}.drain-specs dd{margin:5px 0 0}.drain-details h3{font-size:16px;margin-top:24px}.drain-progress{display:flex;gap:8px;margin:18px 0 25px}.drain-progress a{display:flex;align-items:center;justify-content:center;gap:7px;min-width:44px;min-height:44px;flex:1;border:1px solid var(--r-line-control);border-radius:9px;font-size:15px;text-decoration:none;color:var(--r-ink)}.drain-progress span{font-size:12px}.drain-progress a[aria-current]{color:var(--r-on-blue);background:var(--r-blue);border-color:var(--r-blue)}.drain-step h1,.drain-step h2{font-family:Archivo,Inter,sans-serif;font-size:27px;line-height:1.25;letter-spacing:-.02em;margin:10px 0 14px;color:var(--r-ink)}.drain-step>p{font-size:16px;line-height:1.65}.drain-step .details{margin-top:18px}.drain-fact-strip{display:grid;gap:9px;margin:20px 0}.drain-fact-strip span{padding:14px 16px;border-radius:10px;background:var(--r-wash);color:var(--r-ink);font-weight:600;font-size:14px}.drain-callout{border-left:3px solid var(--r-warn);padding:12px 15px;background:var(--r-warn-soft);border-radius:0 8px 8px 0;color:var(--r-warn);font-size:14px!important;line-height:1.6}.drain-actions{display:flex;gap:10px;margin-top:22px}.drain-actions>a:last-child{flex:1}.drain-actions .button{min-height:52px}.drain-water{display:flex;flex-direction:column;align-items:center;gap:10px;background:var(--r-wash);border-radius:14px;padding:25px 16px;margin:20px 0;color:var(--r-blue)}.drain-water strong{font-family:Archivo,Inter,sans-serif;font-size:30px}.drain-water>span:last-child{font-size:13px;color:var(--r-body)}.drain-checks{padding-left:22px;line-height:1.7}.drain-checks li{margin:10px 0}.drain-external{display:flex;align-items:center;gap:12px;text-decoration:none;margin:22px 0;padding:17px 15px;border:1px solid var(--r-line-control);border-radius:11px;color:var(--r-ink)}.drain-external>span{flex:1}.drain-external strong{font-size:15px;line-height:1.4}.drain-external small{display:block;margin-top:5px;color:var(--r-muted);font-size:12px}.drain-simple-list{padding-left:25px}.drain-simple-list li{padding:7px 0 14px 5px}.drain-simple-list strong,.drain-simple-list span{display:block}.drain-simple-list span{font-size:14px;line-height:1.6;margin-top:6px;color:var(--r-body)}@media(max-width:440px){.drain-progress{gap:6px}.drain-progress span{display:none}.drain-height>strong{font-size:42px}.drain-key-facts{padding:15px}.drain-page .field-heading h1{font-size:29px}.drain-step h1,.drain-step h1,.drain-step h2{font-size:25px}}

.drain-original{margin:20px 0;background:#fff;border:1px solid var(--r-line-control);border-radius:10px;overflow:hidden}.drain-original img{display:block;width:100%;max-width:480px;margin:auto}.drain-original figcaption{padding:10px 12px;color:#496078;font-size:12px;line-height:1.5}

.drain-reading>.back{margin-bottom:6px}.drain-reading .drain-model{margin:8px 0 12px}.drain-reading .drain-progress{margin:12px 0 22px}

.drain-controller .detail-content{font-size:14px;line-height:1.65}.drain-controller-steps{padding-left:22px}.drain-controller-steps li{margin:12px 0}.drain-controller .drain-original{max-width:350px;margin:18px auto}.drain-details .help-text-link{display:block;margin:10px 0}

.drain-manual{margin-top:22px;padding:20px;border:1px solid var(--r-line);border-radius:16px;background:var(--r-surface)}.drain-manual h2{font-family:Archivo,Inter,sans-serif;font-size:25px;line-height:1.2;overflow-wrap:anywhere;margin:10px 0 16px;color:var(--r-ink)}.drain-manual>p{font-size:14px;line-height:1.6}.drain-manual>.field-intro{font-size:17px;color:var(--r-ink)}.drain-manual>.button{margin-top:10px;min-height:48px;white-space:normal;text-align:center}.drain-manual>.details{margin:20px 0 8px}.drain-manual>.help-text-link{display:flex;align-items:center;gap:8px;min-height:44px;margin:6px 0;font-size:14px}.drain-manual .detail-content{font-size:14px;line-height:1.6}@media(max-width:360px){.drain-manual{padding:16px}.drain-manual>.button{font-size:14px}}

.drain-profile-choices{display:grid;gap:12px;margin:20px 0}.drain-profile-choice{display:flex;align-items:center;gap:12px;border:1px solid var(--r-line-control);border-radius:12px;padding:16px;color:var(--r-ink);text-decoration:none;min-height:64px}.drain-profile-choice>span{flex:1}.drain-profile-choice strong,.drain-profile-choice small{display:block}.drain-profile-choice strong{font-size:15px}.drain-profile-choice small{font-size:13px;line-height:1.5;margin-top:7px;color:var(--r-muted)}.drain-profile-choice:hover{border-color:var(--r-blue);background:var(--r-wash)}.drain-manual .detail-content .help-text-link{display:block;min-height:44px;padding:10px 0}