:root{--navy:#08275d;--navy2:#0d3d86;--blue:#1677d2;--sky:#eaf6ff;--orange:#ff9500;--yellow:#ffc928;--green:#36a414;--green2:#69bd19;--ink:#14223a;--muted:#637087;--line:#dce7f2;--white:#fff;--radius:24px;--shadow:0 24px 60px rgba(13,61,134,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans Thai","Leelawadee UI",Tahoma,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}.narrow{width:min(880px,calc(100% - 40px))}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(13,61,134,.08)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-weight:900;color:var(--navy);font-size:1.05rem}.brand img{width:52px;height:52px;object-fit:contain}.nav-links{display:flex;align-items:center;gap:25px;font-weight:700;color:#34506f}.nav-links a:hover{color:var(--navy2)}.nav-cta{background:var(--navy);color:#fff!important;padding:10px 17px;border-radius:999px}.menu-btn{display:none;border:0;background:transparent;font-size:1.7rem;color:var(--navy)}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#f3fbff 48%,#eef8e8 100%);padding:78px 0 66px}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:58px}.hero-glow{position:absolute;border-radius:50%;filter:blur(10px);opacity:.45}.hero-glow-a{width:360px;height:360px;background:#ffe28a;right:-80px;top:-150px}.hero-glow-b{width:420px;height:420px;background:#b9e5ff;left:-180px;bottom:-220px}.hero-copy,.hero-visual{position:relative;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:900;letter-spacing:.02em;margin-bottom:14px}.hero h1{font-size:clamp(2.55rem,5vw,4.8rem);line-height:1.08;margin:0;color:var(--navy);letter-spacing:-.035em}.hero h1 span{color:var(--orange)}.hero-lead{font-size:1.15rem;color:var(--muted);max-width:680px;margin:24px 0 28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 22px;border-radius:14px;font-weight:900;border:0;cursor:pointer;font:inherit;transition:.2s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--orange),#ff6d00);color:#fff;box-shadow:0 12px 28px rgba(255,149,0,.25)}.btn-ghost{border:1.5px solid #b8cfe5;color:var(--navy);background:#fff}.btn-full{width:100%}.hero-points{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:26px;color:#36546f;font-weight:700;font-size:.92rem}
.product-card{position:relative;min-height:465px;border-radius:34px;background:linear-gradient(180deg,#fff,#eaf6ff);box-shadow:var(--shadow);border:1px solid #d7e9f5;overflow:hidden;padding:34px}.badge-3{position:absolute;right:26px;top:22px;background:var(--orange);color:#fff;font-size:1.05rem;font-weight:900;padding:9px 16px;border-radius:999px;box-shadow:0 8px 20px rgba(255,149,0,.25);z-index:3}.solar-array{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;transform:perspective(650px) rotateX(54deg) rotateZ(-5deg);transform-origin:center;position:absolute;width:78%;left:6%;top:4%;z-index:2;filter:drop-shadow(0 16px 12px rgba(8,39,93,.18))}.panel{height:150px;background:#0d3d86;border:5px solid #e9f1f7;border-radius:5px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);gap:4px;padding:5px}.panel i{border:1px solid rgba(255,255,255,.4);background:linear-gradient(135deg,#0e4ca1,#082c65)}.cart-body{position:absolute;left:13%;right:15%;bottom:94px;height:142px;background:#1c2731;border-radius:16px 16px 10px 10px;box-shadow:0 18px 28px rgba(0,0,0,.2)}.cart-body:before{content:"";position:absolute;left:-34px;top:15px;width:42px;height:76px;border:7px solid #1c2731;border-right:0;border-radius:26px 0 0 26px}.control-box{position:absolute;left:8%;top:-52px;width:70px;height:92px;border-radius:8px;background:#cbd5dd;border:3px solid #81909b;color:var(--navy);font-size:.78rem;font-weight:900;display:flex;align-items:center;justify-content:center}.pump{position:absolute;width:150px;height:78px;left:42%;top:21px;background:linear-gradient(180deg,#1687d8,#06569d);border-radius:22px 38px 38px 22px;border:5px solid #083d75}.pump:before{content:"";position:absolute;left:-88px;top:13px;width:94px;height:48px;border-radius:12px;background:repeating-linear-gradient(90deg,#063663 0 8px,#0c62a9 8px 14px);border:4px solid #083d75}.pump span{position:absolute;right:-30px;top:18px;width:38px;height:38px;border-radius:50%;background:#cbd9e5;border:6px solid #597484}.pipe{position:absolute;right:4%;top:11px;width:92px;height:40px;border-top:14px solid #c6d2db;border-right:14px solid #c6d2db;border-radius:0 30px 0 0}.wheel{position:absolute;bottom:-43px;width:76px;height:76px;border-radius:50%;background:radial-gradient(circle,#55b51d 0 23%,#26323c 24% 43%,#111820 44% 68%,#020406 69%);border:5px solid #14191f;box-shadow:0 8px 15px rgba(0,0,0,.25)}.wheel-left{left:7%}.wheel-right{right:7%}.water-jet{position:absolute;right:-52px;bottom:151px;width:200px;height:94px;border-radius:0 80% 80% 0;background:linear-gradient(180deg,rgba(118,211,255,.93),#168ade);transform:rotate(14deg);clip-path:polygon(0 34%,100% 0,100% 100%,0 66%);filter:drop-shadow(0 6px 5px rgba(10,107,190,.2))}.product-caption{position:absolute;left:30px;right:30px;bottom:25px;display:flex;flex-direction:column}.product-caption strong{font-size:1.15rem;color:var(--navy)}.product-caption small{color:var(--muted)}
.trust-strip{background:var(--navy);color:#fff}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}.trust-grid>div{padding:24px 20px;border-right:1px solid rgba(255,255,255,.12)}.trust-grid>div:last-child{border-right:0}.trust-grid strong,.trust-grid span{display:block}.trust-grid strong{font-size:1.07rem;color:#fff}.trust-grid span{font-size:.88rem;color:#c9dbf0;margin-top:4px}.section{padding:88px 0}.section-soft{background:#f6fbff}.split-grid,.quote-grid,.process-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.logo-panel{border-radius:30px;background:linear-gradient(145deg,#fff,#eef8ff);padding:42px;box-shadow:var(--shadow);border:1px solid #e1edf6}.logo-panel img{width:min(520px,100%);margin:auto}.section-copy h2,.section-head h2{color:var(--navy);font-size:clamp(2rem,3.5vw,3.15rem);line-height:1.16;margin:0 0 18px}.section-copy p,.section-head p{color:var(--muted);font-size:1.05rem}.check-list{list-style:none;padding:0;margin:24px 0}.check-list li{position:relative;padding:8px 0 8px 34px}.check-list li:before{content:"✓";position:absolute;left:0;top:8px;width:23px;height:23px;border-radius:50%;background:#e7f8df;color:var(--green);display:grid;place-items:center;font-weight:900}.text-link{color:var(--blue);font-weight:900}.section-head{max-width:760px;margin-bottom:36px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card,.model-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 10px 30px rgba(8,39,93,.06)}.feature-card .icon{font-size:2.1rem}.feature-card h3,.model-card h3{color:var(--navy);font-size:1.35rem;margin:12px 0 8px}.feature-card p,.model-card p,.model-card li{color:var(--muted)}.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.model-card{position:relative}.model-card.featured{border:2px solid var(--orange);transform:translateY(-8px);box-shadow:0 20px 46px rgba(255,149,0,.13)}.model-tag{display:inline-block;background:#eef6ff;color:var(--navy2);font-weight:900;font-size:.8rem;padding:6px 10px;border-radius:999px}.featured .model-tag{background:#fff1db;color:#c66500}.model-card ul{padding-left:20px;min-height:100px}.model-card a{display:inline-flex;color:var(--blue);font-weight:900;margin-top:8px}.section-dark{background:linear-gradient(135deg,#061f4a,#0b3a80);color:#fff}.section-dark h2{color:#fff}.section-dark p{color:#cbdcf0}.eyebrow.light{color:#ffce4d}.steps{list-style:none;margin:0;padding:0;display:grid;gap:13px}.steps li{display:flex;gap:14px;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.11);border-radius:17px;padding:15px}.steps li>span{width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:var(--orange);display:grid;place-items:center;font-weight:900}.steps strong,.steps small{display:block}.steps small{color:#bcd1e9}.quote-form{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:28px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.quote-form label{display:grid;gap:7px;margin-bottom:14px;color:#34506f;font-weight:800;font-size:.9rem}.quote-form input,.quote-form select,.quote-form textarea{width:100%;border:1px solid #cad9e8;border-radius:12px;padding:13px 14px;font:inherit;color:var(--ink);background:#fbfdff;outline:none}.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,119,210,.1)}.form-status{min-height:28px;margin-top:12px;font-size:.92rem;font-weight:800}.form-status.ok{color:var(--green)}.form-status.error{color:#c7392f}.contact-note{display:grid;gap:6px;margin-top:24px;padding:18px;border-left:4px solid var(--orange);background:#fff8ec;border-radius:0 14px 14px 0}.contact-note code,.section-copy code{background:#edf3f8;padding:2px 5px;border-radius:5px}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--line);background:#fff;border-radius:16px;padding:0 18px}.faq-list summary{cursor:pointer;font-weight:900;color:var(--navy);padding:18px 0}.faq-list p{color:var(--muted);margin:0 0 18px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;padding:44px 0 30px}.footer-grid strong{color:var(--navy);font-size:1.25rem}.footer-grid p{color:var(--muted)}.footer-grid>div:nth-child(2){display:grid;gap:8px}.footer-domain{font-size:1.3rem;font-weight:900;color:var(--orange);text-align:right}.footer-bottom{border-top:1px solid var(--line);padding:18px 0 28px;color:var(--muted);font-size:.9rem}.floating-cta{position:fixed;right:18px;bottom:18px;z-index:45;background:linear-gradient(135deg,var(--orange),#ff6d00);color:#fff;font-weight:900;padding:12px 18px;border-radius:999px;box-shadow:0 12px 26px rgba(255,109,0,.3)}.reveal{opacity:0;transform:translateY(18px);transition:.6s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:920px){.nav-links{position:absolute;left:20px;right:20px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.menu-btn{display:block}.brand span{display:none}.hero-grid,.split-grid,.quote-grid,.process-grid{grid-template-columns:1fr}.hero{padding-top:50px}.hero-visual{order:-1}.product-card{min-height:390px}.solar-array{width:72%;left:8%}.trust-grid{grid-template-columns:1fr 1fr}.feature-grid{grid-template-columns:1fr 1fr}.model-grid{grid-template-columns:1fr}.model-card.featured{transform:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-domain{text-align:left}}
@media(max-width:600px){.container,.narrow{width:min(100% - 28px,1180px)}.nav-wrap{height:68px}.brand img{width:46px;height:46px}.hero h1{font-size:2.55rem}.hero-lead{font-size:1rem}.product-card{min-height:330px;padding:20px}.solar-array{top:2%;width:78%;left:2%}.panel{height:120px}.cart-body{left:10%;right:10%;bottom:84px;height:105px}.pump{width:112px;height:60px;left:43%;top:16px}.pump:before{left:-63px;width:69px;height:38px}.wheel{width:58px;height:58px;bottom:-34px}.control-box{transform:scale(.78);transform-origin:bottom left}.pipe{right:0;transform:scale(.78);transform-origin:left center}.water-jet{right:-70px;bottom:129px;width:170px;height:76px}.product-caption{bottom:18px}.trust-grid{grid-template-columns:1fr}.trust-grid>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}.feature-grid{grid-template-columns:1fr}.section{padding:66px 0}.field-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-domain{text-align:left}.hero-actions .btn{width:100%}}

.hero-price{display:inline-flex;flex-direction:column;margin-top:22px;padding:14px 20px;border-radius:18px;background:#fff;border:2px solid var(--orange);box-shadow:0 12px 28px rgba(255,149,0,.14);min-width:230px}.hero-price span{font-size:.82rem;color:var(--muted);font-weight:800}.hero-price strong{font-size:1.85rem;line-height:1.15;color:var(--orange)}.hero-price small{margin-top:3px;color:var(--navy);font-weight:800}.contact-note a{color:var(--navy);text-decoration:underline;text-underline-offset:3px}