.header-page-link{font-weight:700;color:#fff!important;text-decoration:none;border-bottom:2px solid transparent;padding:8px 0}.header-page-link:hover,.header-page-link.active{border-color:var(--yellow)}.link-button{text-decoration:none;display:inline-block}.device-intro{max-width:1380px;margin:0 auto;padding:48px 24px 30px;display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:end}.device-intro h1{font-size:clamp(40px,5vw,70px);line-height:.95;letter-spacing:-.055em;margin:0;text-transform:uppercase}.anatomy-shell{max-width:1380px;margin:0 auto 70px;padding:30px 24px;background:#fff;border:1px solid var(--line)}.anatomy-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:20px}.anatomy-head h2,.parameter-guide h2,.calculation-guide h2{font-size:34px;letter-spacing:-.04em;margin:0}.anatomy-head>a{font-size:13px;font-weight:800;text-decoration:none;border-bottom:2px solid var(--yellow);padding-bottom:4px}.anatomy-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.anatomy-stage{background:radial-gradient(circle at 48% 38%,#373b34 0,#151713 55%,#0d0e0c 100%);padding:12px;overflow:auto}.anatomy-svg{display:block;width:100%;min-width:850px;height:auto;filter:drop-shadow(0 12px 25px rgba(0,0,0,.2))}.anatomy-svg .center-axis{stroke:#60655d;stroke-width:1;stroke-dasharray:10 8}.anatomy-svg .steel{fill:url(#anSteel);stroke:#dadcd6;stroke-width:1.5}.anatomy-svg .gold{fill:url(#anGold);stroke:#ffe679;stroke-width:2}.anatomy-svg .barrel-shell{fill:url(#anBarrel);stroke:#aeb2a9;stroke-width:2}.anatomy-svg .cutaway{fill:#10120f;stroke:#5f645b;stroke-width:2}.anatomy-svg .wall-highlight{fill:#555a51;opacity:.55}.anatomy-svg .dark-detail{fill:#272a25}.anatomy-svg .hole{fill:#11130f;stroke:#d3d6cf;stroke-width:7}.anatomy-svg .bushing{fill:none;stroke:#8b9087;stroke-width:8}.anatomy-svg .port-hole{fill:#161814;stroke:#6f746b;stroke-width:4}.anatomy-svg .fluid-chamber rect{fill:#5f9db4;opacity:.18}.anatomy-svg .rod-side rect{fill:#d8af3e;opacity:.14}.anatomy-svg .seal.green{fill:#38b877;stroke:#a4f0c8}.anatomy-svg .seal.yellow{fill:#d6b51f;stroke:#fff0a4}.anatomy-svg .seal.blue{fill:#35a8c6;stroke:#a9ebfb}.anatomy-svg .seal.black{fill:#090a08;stroke:#9ea39a}.anatomy-svg .cutaway-small{fill:#181a17;stroke:#777c73}.anatomy-svg .callout{cursor:pointer}.anatomy-svg .callout path{fill:none;stroke:#ffd400;stroke-width:2}.anatomy-svg .callout circle{fill:#ffd400;stroke:#11120f;stroke-width:2}.anatomy-svg .callout text{font:900 16px Arial;fill:#11120f;text-anchor:middle}.anatomy-svg .part{cursor:pointer;transition:filter .15s,opacity .15s}.anatomy-svg .part:hover,.anatomy-svg .part.active{filter:drop-shadow(0 0 7px rgba(255,212,0,.9))}.anatomy-svg .callout.active circle{fill:#fff}.diagram-help{color:#aeb2aa;font-size:12px;margin:8px 8px 0}.part-info{background:var(--paper);border-left:6px solid var(--yellow);padding:24px;min-height:300px}.part-info>span{display:block;font-size:54px;line-height:1;font-weight:900;color:#c6c9c1;margin-bottom:18px}.part-info h2{font-size:25px;line-height:1.05;margin:0 0 14px}.part-info>p:not(.step){color:var(--muted)}.part-info dl{margin:22px 0 0}.part-info dl div{border-top:1px solid var(--line);padding:12px 0}.part-info dt{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.part-info dd{margin:4px 0 0;font-size:13px;font-weight:700}.parts-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:18px}.part-card{border:0;background:#fff;min-height:108px;padding:14px;text-align:left;display:grid;align-content:start;gap:3px;color:var(--ink)}.part-card:hover,.part-card.active{background:#fffbe0;box-shadow:inset 0 -4px var(--yellow)}.part-card span{font-size:11px;font-weight:900;color:#a0a49b}.part-card b{font-size:13px;line-height:1.2}.part-card small{font-size:11px;color:var(--muted)}.parameter-guide{max-width:1380px;margin:0 auto 70px;padding:0 24px;display:grid;grid-template-columns:330px minmax(0,1fr);gap:18px}.guide-copy{background:var(--black);color:#fff;padding:30px}.guide-copy .step{color:#aeb2aa}.guide-copy p:not(.step){color:#c3c6be}.guide-cta{margin-top:24px;text-decoration:none}.dimension-map{background:#fff;border:1px solid var(--line);padding:25px}.dimension-map svg{display:block;width:100%;height:auto}.dimension-map svg text{font:900 17px Arial;fill:#11120f}.guide-axis{stroke:#b1b4ac;stroke-dasharray:8 6}.guide-cylinder{fill:#252822;stroke:#5f645c;stroke-width:3}.guide-bore{fill:#f5f5f0;stroke:#8f948b;stroke-dasharray:5 4}.guide-rod{fill:#b7bbb3;stroke:#6e736a}.guide-eye{fill:#ffd400;stroke:#11120f;stroke-width:3}.guide-eye-hole{fill:#fff;stroke:#11120f;stroke-width:3}.guide-measure{stroke:#ffd400;stroke-width:2;marker-start:url(#guideArrow);marker-end:url(#guideArrow)}.dimension-legend{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.dimension-legend article{background:var(--paper);padding:14px;display:grid;gap:4px}.dimension-legend b{font-size:20px}.dimension-legend span{font-size:12px;color:var(--muted)}.calculation-guide{max-width:1380px;margin:0 auto 70px;padding:0 24px}.calculation-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:20px}.calculation-grid article{padding:25px 24px 20px 0;border-right:1px solid var(--line)}.calculation-grid article+article{padding-left:24px}.calculation-grid article>b{color:var(--yellow);font-size:28px;text-shadow:1px 1px #111}.calculation-grid h3{font-size:20px;margin:9px 0 5px}.calculation-grid p{font-size:14px;color:var(--muted);margin:0}
@media(max-width:1100px){.parts-grid{grid-template-columns:repeat(4,1fr)}.anatomy-layout{grid-template-columns:1fr}.part-info{min-height:0}.parameter-guide{grid-template-columns:1fr}.header-meta>span{display:none}}
@media(max-width:700px){.device-intro{grid-template-columns:1fr;padding-top:28px}.device-intro h1{font-size:41px}.anatomy-shell{margin-inline:12px;padding:20px 12px}.anatomy-head{display:grid}.anatomy-stage{margin-inline:-12px}.parts-grid{grid-template-columns:repeat(2,1fr)}.parameter-guide{padding:0 12px}.dimension-map{padding:12px;overflow:auto}.dimension-map svg{min-width:650px}.dimension-legend{grid-template-columns:1fr 1fr}.calculation-grid{grid-template-columns:1fr 1fr}.calculation-grid article,.calculation-grid article+article{padding:18px;border-bottom:1px solid var(--line)}.header-page-link{display:none}}
.anatomy-svg .port-rim{fill:#c8cbc4;stroke:#f1f3ee;stroke-width:2}.anatomy-svg .port-thread{fill:none;stroke:#646960;stroke-width:3}.anatomy-svg .fixing-line{stroke:#151713;stroke-width:4}.anatomy-svg .rod-core{stroke:#f2f4ee;stroke-width:1.5}.anatomy-svg .retaining-nut{stroke:#f5f6f2;stroke-width:1.5}
.anatomy-svg .port-passage{fill:none;stroke:#899087;stroke-width:7;stroke-linecap:round}.anatomy-svg .piston-body{stroke:#f1f3ee;stroke-width:1.5}.anatomy-svg .piston-seat{fill:#777c73;stroke:#dfe2da;stroke-width:1}.anatomy-svg .gland-body{stroke:#f0f2ec;stroke-width:1.8}
.guide-measure.guide-diameter{marker-start:url(#guideArrowSmall);marker-end:url(#guideArrowSmall);stroke-width:1.7}.guide-extension{stroke:#9b9e96;stroke-width:1.5;stroke-dasharray:5 5}.guide-position{stroke:#c0a000;stroke-width:1.5;stroke-dasharray:5 4}.guide-piston{fill:#ffd400;stroke:#11120f;stroke-width:2}.guide-piston-ghost{fill:#fff7bd;stroke:#8d7600;stroke-dasharray:5 4;opacity:.85}.guide-rod-ghost{fill:#d4d7d0;fill-opacity:.16;stroke:#9b8500;stroke-width:2;stroke-dasharray:8 6}
