:root{--blue:#0759a8;--deep:#071c2f;--ink:#132233;--muted:#5c6b78;--line:#dce3e8;--pale:#f3f7fa}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,"Microsoft YaHei",sans-serif}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}[hidden]{display:none!important}
.topbar{height:82px;padding:0 clamp(24px,5vw,78px);display:flex;align-items:center;gap:42px;background:#fff;position:sticky;top:0;z-index:20;box-shadow:0 1px 0 rgba(6,28,49,.09)}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand-mark{width:40px;height:40px;display:grid;place-items:center;color:#fff;background:var(--blue);font-size:25px;font-weight:900;font-style:italic;border-radius:6px 15px}.brand span:last-child{display:flex;flex-direction:column;gap:2px}.brand b{font-size:17px;letter-spacing:.04em}.brand small{color:#71808e;font-size:9px;font-weight:700;letter-spacing:.18em}nav{display:flex;gap:clamp(18px,2.6vw,40px);font-size:14px;font-weight:700}nav a{position:relative}nav a:after{content:"";position:absolute;height:2px;width:0;left:0;bottom:-8px;background:var(--blue);transition:.25s}nav a:hover:after{width:100%}.lang-switch{border:1px solid var(--line);border-radius:40px;padding:8px 12px;background:#fff;display:flex;gap:8px;align-items:center;color:#8c98a2;cursor:pointer;font-size:12px}.lang-switch i{height:13px;width:1px;background:#ccd4da}.lang-switch .current{color:var(--blue);font-weight:800}
.hero{height:min(760px,calc(100vh - 82px));min-height:590px;background:url('assets/hero-pump.png') center/cover;position:relative;color:#fff;display:flex;align-items:center}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,19,33,.91),rgba(4,29,49,.7) 39%,rgba(4,22,38,.1) 72%)}.hero-content{position:relative;z-index:1;max-width:790px;padding:20px clamp(24px,7vw,110px) 90px}.eyebrow{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.2em;margin:0 0 22px}.eyebrow.light{color:#6bb7ff}.hero h1,.split-content h2,.quality-copy h2{margin:0}.hero h1{font-size:clamp(46px,6.5vw,92px);line-height:1.03;letter-spacing:-.045em;font-weight:800}.hero-copy{max-width:690px;font-size:17px;line-height:1.85;color:#d4e0e9;margin:30px 0 34px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{min-height:49px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;border:0;font-weight:800;font-size:14px;cursor:pointer;transition:.2s}.btn.primary{background:var(--blue);color:#fff}.btn.primary:hover{background:#0870cf;transform:translateY(-1px)}.btn.ghost{border:1px solid rgba(255,255,255,.6);color:#fff}.btn.ghost:hover{background:#fff;color:var(--ink)}.hero-stats{position:absolute;z-index:2;bottom:0;right:0;display:grid;grid-template-columns:repeat(3,1fr);background:rgba(2,23,40,.9);backdrop-filter:blur(10px)}.hero-stats div{width:185px;padding:22px 28px;border-left:1px solid rgba(255,255,255,.13);display:flex;flex-direction:column}.hero-stats b{font-size:28px}.hero-stats span{font-size:11px;color:#9fb1bf;margin-top:4px}
.section{padding:110px clamp(24px,7vw,110px)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:50px;margin-bottom:42px}.section-heading h2,.contact-copy h2{font-size:clamp(34px,4vw,55px);margin:0;letter-spacing:-.035em}.section-heading>p{max-width:520px;color:var(--muted);line-height:1.8}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product-card{border:1px solid var(--line);background:#fff;transition:.25s;overflow:hidden}.product-card:hover{box-shadow:0 18px 50px rgba(17,42,63,.13);transform:translateY(-4px)}.product-visual{height:210px;background-image:linear-gradient(135deg,rgba(5,31,52,.04),rgba(5,89,168,.08)),url('assets/pump-range.png');background-size:auto 100%;background-repeat:no-repeat;position:relative}.product-visual.crop-0{background-position:4% center}.product-visual.crop-1{background-position:49% center}.product-visual.crop-2{background-position:95% center}.product-visual span{position:absolute;left:16px;top:16px;color:#fff;background:rgba(5,30,49,.85);padding:7px 10px;font-size:11px;font-weight:800;letter-spacing:.12em}.product-body{padding:22px}.product-body>p{color:#84929d;font-size:10px;font-weight:800;letter-spacing:.14em;margin:0 0 8px}.product-body h3{font-size:18px;min-height:44px;margin:0 0 20px}.product-body button{border:0;padding:0;color:var(--blue);background:none;cursor:pointer;font-size:13px;font-weight:800;display:flex;width:100%;justify-content:space-between}
.dark-section{background:var(--deep);color:#fff}.split{padding:0;display:grid;grid-template-columns:1.07fr .93fr;min-height:680px}.split-image{background:center/cover no-repeat;min-height:560px;position:relative}.about-image{background-image:linear-gradient(rgba(4,26,43,.12),rgba(4,26,43,.15)),url('assets/factory-quality.png')}.image-label{position:absolute;bottom:24px;left:24px;background:rgba(4,26,43,.86);padding:12px 16px;font-size:10px;font-weight:800;letter-spacing:.16em}.split-content{padding:90px clamp(32px,6vw,95px);display:flex;flex-direction:column;justify-content:center}.split-content h2{font-size:clamp(36px,4.3vw,61px);line-height:1.1;letter-spacing:-.04em;margin-bottom:28px}.split-content>p:not(.eyebrow){color:#b9c7d1;line-height:1.9;margin:0 0 16px}.certs{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.certs span{border:1px solid #345168;color:#dce8f0;padding:9px 12px;font-size:11px;font-weight:700}.quality-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:7vw;align-items:center}.quality-copy h2{font-size:clamp(36px,4.3vw,61px);line-height:1.12;letter-spacing:-.04em}.quality-copy ol{list-style:none;padding:0;margin:42px 0 0;border-top:1px solid var(--line)}.quality-copy li{border-bottom:1px solid var(--line);padding:18px 4px;display:flex;gap:24px;align-items:center}.quality-copy li b{color:var(--blue);font-size:12px}.quality-copy li span{font-weight:700}.quality-image{min-height:590px;background:url('assets/factory-quality.png') center/cover;position:relative}.preview-note{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(5,27,45,.88);color:#c9d6df;font-size:11px;line-height:1.6;padding:12px 15px}
.contact-section{background:#0b263d;color:#fff;display:grid;grid-template-columns:.9fr 1.1fr;gap:8vw;padding:100px clamp(24px,7vw,110px)}.contact-copy>p:not(.eyebrow){color:#afc1cf;line-height:1.85;max-width:540px}.email-card{margin-top:38px;border-left:3px solid var(--blue);padding-left:18px;display:flex;flex-direction:column;gap:6px}.email-card span{color:#89a1b3;font-size:12px}.email-card a{font-size:20px;font-weight:800}form{background:#fff;color:var(--ink);padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:20px}form label{font-size:12px;font-weight:800;display:flex;flex-direction:column;gap:9px}form label:nth-child(4){grid-column:1/-1}input,textarea{width:100%;border:1px solid #d7dfe5;background:#f8fafb;padding:13px;outline:none;color:var(--ink)}input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(7,89,168,.1)}form .btn{justify-self:start;gap:18px}.success{grid-column:1/-1;color:#b2372a;margin:0;font-size:12px}footer{padding:38px clamp(24px,7vw,110px);display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--line)}.footer-brand b{font-size:14px}.footer-brand small{font-size:9px}footer>p{font-size:10px;color:#8c98a2;letter-spacing:.1em}
.modal-backdrop{position:fixed;inset:0;background:rgba(2,18,31,.72);backdrop-filter:blur(6px);z-index:50;display:grid;place-items:center;padding:22px}.modal{width:min(640px,100%);background:#fff;padding:44px;position:relative;box-shadow:0 30px 90px rgba(0,0,0,.3)}.modal-close{position:absolute;right:18px;top:12px;border:0;background:none;font-size:32px;cursor:pointer;color:#70808d}.modal h2{font-size:34px;margin:0 0 28px}.modal-row{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-bottom:30px}.modal-row div{background:var(--pale);padding:18px}.modal-row small{color:#6f7f8b;font-weight:800}.modal-row p{line-height:1.65;margin:8px 0 0}
@media(max-width:1080px){nav{display:none}.product-grid{grid-template-columns:repeat(2,1fr)}.hero-stats div{width:150px}.quality-section{gap:40px}}@media(max-width:760px){.topbar{height:70px;padding:0 18px}.brand b{font-size:14px}.brand-mark{width:35px;height:35px}.hero{min-height:690px;height:calc(100vh - 70px);background-position:62% center;align-items:flex-start}.hero-shade{background:linear-gradient(90deg,rgba(3,19,33,.91),rgba(3,19,33,.45))}.hero-content{padding:90px 22px 170px}.hero-copy{font-size:15px;line-height:1.7}.hero-stats{left:0;right:0}.hero-stats div{width:auto;padding:18px 14px}.hero-stats b{font-size:22px}.hero-stats span{font-size:9px}.section{padding:76px 22px}.section-heading{display:block}.section-heading>p{margin-top:18px}.product-grid{grid-template-columns:1fr}.product-visual{height:240px}.split{grid-template-columns:1fr}.split-image{min-height:420px}.split-content{padding:70px 24px}.quality-section{grid-template-columns:1fr}.quality-image{min-height:430px}.contact-section{grid-template-columns:1fr;padding:76px 22px}form{padding:24px;grid-template-columns:1fr}form label:nth-child(4){grid-column:auto}.modal{padding:34px 24px}.modal-row{grid-template-columns:1fr}footer{align-items:flex-start;flex-direction:column}}