@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');
:root{--navy:#07182a;--blue:#0b2b4b;--cyan:#0d85c7;--orange:#f39a26;--ink:#101b25;--muted:#66727e;--line:#dce3e8;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Barlow,'Noto Sans SC','Microsoft YaHei',sans-serif;background:#fff}a{text-decoration:none;color:inherit}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}.topbar{height:34px;background:var(--navy);color:#9db0c2;font-size:12px;letter-spacing:.5px}.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.topbar i{color:var(--orange);margin-right:6px}.site-header{position:relative;z-index:50;background:#fff;box-shadow:0 1px 0 rgba(4,25,44,.08)}.site-header.scrolled{position:sticky;top:0}.nav-row{height:84px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;color:#122638}.brand strong{display:block;font-size:22px;letter-spacing:2px}.brand small{display:block;font-size:9px;letter-spacing:1.3px;color:#89949d}.brand-mark{width:40px;height:40px;display:flex;align-items:end;gap:4px}.brand-mark i{width:9px;background:var(--orange);transform:skew(-13deg)}.brand-mark i:nth-child(1){height:22px}.brand-mark i:nth-child(2){height:32px}.brand-mark i:nth-child(3){height:40px}.main-nav{display:flex;align-items:center;gap:36px}.main-nav a{position:relative;padding:30px 0;color:#344657;font-size:15px}.main-nav a:after{content:'';position:absolute;left:50%;bottom:18px;width:0;height:2px;background:var(--orange);transition:.3s}.main-nav a:hover:after,.main-nav a.active:after{left:0;width:100%}.nav-toggle{display:none;border:0;background:none;padding:8px}.nav-toggle span{display:block;width:24px;height:2px;background:#172a3b;margin:5px}
.hero{height:680px;min-height:620px;position:relative;overflow:hidden;background:linear-gradient(115deg,#061729 0%,#0a2945 62%,#073d5f 100%);color:#fff}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to right,#000,transparent)}.hero-glow{position:absolute;width:580px;height:580px;border-radius:50%;right:5%;top:8%;background:radial-gradient(circle,rgba(28,145,207,.24),transparent 68%)}.hero-inner{height:100%;display:flex;align-items:center;position:relative}.hero-copy{width:56%;position:relative;z-index:2}.eyebrow,.section-no{display:block;color:var(--orange);font-size:12px;letter-spacing:3px;font-weight:700;margin-bottom:22px}.hero h1{font-size:60px;line-height:1.18;margin:0 0 24px;letter-spacing:2px}.hero h1 em{font-style:normal;color:var(--orange)}.hero-copy>p{max-width:600px;color:#b9c9d7;line-height:1.9;font-size:16px}.hero-actions{display:flex;gap:14px;margin:36px 0 46px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-width:150px;padding:15px 24px;border:1px solid transparent;font-size:14px;transition:.3s}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:#ffad3d;transform:translateY(-2px)}.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}.hero-stats{display:flex;gap:46px}.hero-stats div{display:flex;flex-direction:column}.hero-stats strong{font-size:27px}.hero-stats sup{font-size:12px;color:var(--orange)}.hero-stats span{font-size:12px;color:#8297a8}.pipe-visual{position:absolute;right:0;width:46%;height:76%}.pipe{position:absolute;width:300px;height:112px;border-radius:60px;background:linear-gradient(160deg,#fdb24d,#df7d0c);box-shadow:0 28px 40px #020c15aa, inset 0 -15px 28px #b96000;transform:rotate(-30deg)}.pipe span{position:absolute;width:112px;height:112px;right:-1px;border-radius:50%;background:radial-gradient(circle,#061625 0 35%,#bd660a 36% 50%,#f6a538 51% 65%,#b75e05 67%)}.pipe-a{right:18px;top:100px}.pipe-b{width:260px;height:92px;right:160px;top:285px;filter:saturate(.7);transform:rotate(-30deg) scale(.78)}.pipe-b span{width:92px;height:92px}.pipe-c{width:210px;height:74px;right:2px;top:370px;transform:rotate(-30deg) scale(.7);opacity:.55}.pipe-c span{width:74px;height:74px}.orbit{position:absolute;border:1px solid rgba(92,188,236,.24);border-radius:50%;transform:rotate(-18deg)}.orbit-a{width:510px;height:290px;top:110px;right:-50px}.orbit-b{width:390px;height:500px;top:30px;right:40px}.tech-label{position:absolute;right:4px;bottom:20px;display:flex;gap:10px;align-items:center;color:#7f9aad}.tech-label b{font-size:22px;color:var(--orange)}.tech-label span{font-size:9px;letter-spacing:1.5px}.scroll-hint{position:absolute;bottom:25px;left:50%;font-size:9px;letter-spacing:2px;color:#7790a3}.scroll-hint i{display:block;width:1px;height:28px;background:var(--orange);margin:8px auto -25px}
.section{padding:100px 0}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:50px}.section-head h2,.about-copy h2{font-size:38px;margin:0;letter-spacing:1px}.section-head p{margin:0;color:var(--muted);line-height:1.8;font-size:14px;text-align:right}.section-no{margin-bottom:14px}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-card{min-height:370px;position:relative;background:#f2f5f7;padding:28px 24px;display:flex;flex-direction:column;justify-content:end;overflow:hidden;transition:.35s}.product-card:before{content:'';position:absolute;inset:0;border:1px solid transparent;transition:.3s}.product-card:hover{transform:translateY(-8px);box-shadow:0 18px 40px #122a3b18}.product-card:hover:before{border-color:var(--orange)}.product-card.featured{background:var(--blue);color:#fff}.card-index{position:absolute;top:22px;left:24px;font-size:11px;color:#8f9da8}.product-card small{font-size:9px;letter-spacing:1px;color:#8998a5}.product-card h3{margin:8px 0 12px;font-size:20px}.product-card p{color:#84919b;line-height:1.7;font-size:13px;margin:0}.featured p{color:#a7b8c6}.product-card a{display:inline-block;margin-top:20px;color:var(--orange);font-size:12px}.mini-pipe{position:absolute;top:65px;right:-40px;width:205px;height:82px;border-radius:50px;transform:rotate(-16deg);box-shadow:0 15px 25px #0003}.mini-pipe i{display:block;position:absolute;right:0;width:82px;height:82px;border-radius:50%;background:radial-gradient(circle,#263947 0 35%,#eee 36% 58%,#aaa 60%)}.mini-pipe.orange{background:linear-gradient(#fcb052,#d9790d)}.mini-pipe.orange i{background:radial-gradient(circle,#071827 0 35%,#dc7e13 37% 50%,#f7aa45 52% 66%,#a85508 68%)}.mini-pipe.blue{background:linear-gradient(#1e91ce,#075583)}.mini-pipe.blue i{background:radial-gradient(circle,#0c3450 0 35%,#187eb6 37% 62%,#06446c 64%)}.mini-pipe.white{background:linear-gradient(#fff,#cbd4d8)}.mini-pipe.dark{background:linear-gradient(#435663,#101c25)}.mini-pipe.dark i{background:radial-gradient(circle,#07121a 0 35%,#3b4d59 37% 62%,#0e1920 64%)}.center{text-align:center;margin-top:45px}.text-link{font-size:13px;border-bottom:1px solid #aab4bc;padding-bottom:6px}.text-link i{margin-left:14px;color:var(--orange)}
.about-band{display:grid;grid-template-columns:50% 50%;min-height:690px;background:#edf1f3}.about-image{position:relative;overflow:hidden;background:linear-gradient(145deg,#061a2d,#0b4265);display:flex;align-items:center;justify-content:center}.factory-lines{width:70%;height:45%;border:1px solid #ffffff18;background:repeating-linear-gradient(90deg,transparent 0 55px,#ffffff0c 56px),linear-gradient(160deg,transparent 55%,#1584bd33 56%);clip-path:polygon(10% 30%,35% 30%,35% 15%,60% 15%,60% 35%,85% 35%,100% 55%,100% 100%,0 100%,0 50%)}.about-image>span{position:absolute;bottom:44px;left:9%;color:#ffffff27;font-size:42px;font-weight:800;line-height:.9}.about-copy{padding:90px max(50px,calc((100vw - 1180px)/2));padding-left:8%}.about-copy>p{color:var(--muted);line-height:2;margin:24px 0 30px;max-width:550px}.about-copy ul{list-style:none;margin:0 0 35px;padding:0}.about-copy li{display:flex;align-items:center;border-top:1px solid #d2dade;padding:16px 0}.about-copy li b{font-size:11px;color:var(--orange);width:48px}.about-copy li span{display:flex;gap:16px;color:#77848e;font-size:13px}.about-copy li strong{color:#172633;font-size:15px}.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:var(--orange)}
.strengths{background:var(--navy);color:#fff}.section-head.light p{color:#8297a8}.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #ffffff1f;border-left:1px solid #ffffff1f}.strength-grid div{padding:45px 32px;border-right:1px solid #ffffff1f;border-bottom:1px solid #ffffff1f;display:flex;flex-direction:column;transition:.3s}.strength-grid div:hover{background:#0c2c48}.strength-grid i{font-size:30px;color:var(--orange);margin-bottom:32px}.strength-grid b{font-size:18px;margin-bottom:10px}.strength-grid span{font-size:12px;color:#8194a4}.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);height:400px;gap:16px}.scene{position:relative;overflow:hidden;background-color:#15344c;background-image:linear-gradient(145deg,#07192bd9,#0b5279a8),repeating-linear-gradient(45deg,transparent 0 20px,#fff08 21px);transition:.35s}.scene:hover{transform:translateY(-6px)}.scene:after{content:'';position:absolute;width:220px;height:220px;border:1px solid #ffffff22;border-radius:50%;right:-60px;top:40px}.scene>span{position:absolute;top:24px;right:26px;color:#ffffff66;font-size:12px}.scene>div{position:absolute;bottom:35px;left:34px;color:#fff}.scene small{color:var(--orange);letter-spacing:2px}.scene h3{font-size:24px;margin:8px 0}.scene-city{background-color:#36535b;background-image:linear-gradient(145deg,#07192bd9,#24606da8),repeating-linear-gradient(90deg,transparent 0 35px,#fff08 36px)}.scene-com{background-color:#334454;background-image:linear-gradient(145deg,#07192bd9,#6e582ea8),repeating-linear-gradient(0deg,transparent 0 24px,#fff08 25px)}.cta{padding:70px 0;background:var(--orange);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between}.cta h2{font-size:34px;margin:8px 0}.cta p{margin:0;color:#fff9}.cta-inner>div:last-child{text-align:right}.cta small{display:block}.cta strong{font-size:27px;display:block;margin:6px 0 16px}.btn-white{background:#fff;color:#172737;min-width:170px}.site-footer{background:#061522;color:#8495a4;padding-top:70px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:80px;padding-bottom:60px}.brand-light strong{color:#fff}.footer-grid p{line-height:1.9;font-size:13px;max-width:400px}.footer-grid h4{color:#fff;margin:5px 0 22px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:13px}.footer-links a:hover{color:var(--orange)}.footer-grid ul{list-style:none;padding:0;margin:0;font-size:13px}.footer-grid li{margin:0 0 14px}.footer-grid li i{color:var(--orange);width:24px}.copyright{border-top:1px solid #ffffff10;padding:20px 0;font-size:11px}.copyright .wrap{display:flex;justify-content:space-between}.mobile-call{display:none}
@media(max-width:900px){.topbar{display:none}.nav-row{height:70px}.brand strong{font-size:18px}.main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;padding:14px 24px;box-shadow:0 14px 30px #00152c26}.main-nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.main-nav a{padding:13px 0}.nav-toggle{display:block}.hero{height:auto;min-height:760px}.hero-inner{align-items:flex-start;padding-top:90px}.hero-copy{width:100%}.hero h1{font-size:44px}.pipe-visual{opacity:.45;width:75%;height:45%;bottom:0}.hero-stats{gap:25px}.product-grid{grid-template-columns:1fr 1fr}.about-band{grid-template-columns:1fr}.about-image{min-height:400px}.about-copy{padding:70px 8%}.strength-grid{grid-template-columns:1fr 1fr}.scene-grid{height:auto;grid-template-columns:1fr}.scene{height:280px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:600px){.wrap{width:calc(100% - 32px)}.brand-mark{width:33px;height:34px}.brand-mark i{width:7px}.brand-mark i:nth-child(1){height:18px}.brand-mark i:nth-child(2){height:26px}.brand-mark i:nth-child(3){height:34px}.brand small{font-size:7px}.hero{min-height:720px}.hero-inner{padding-top:65px}.eyebrow{font-size:9px;letter-spacing:2px}.hero h1{font-size:37px}.hero-copy>p{font-size:14px}.hero-actions{margin:28px 0 35px}.btn{min-width:0;padding:14px 19px}.hero-stats{gap:20px}.pipe-visual{width:100%;right:-30%;height:37%}.pipe{transform:rotate(-30deg) scale(.75)}.section{padding:70px 0}.section-head{align-items:flex-start;flex-direction:column;margin-bottom:32px}.section-head h2,.about-copy h2{font-size:30px}.section-head p{text-align:left;margin-top:14px}.product-grid{grid-template-columns:1fr}.product-card{min-height:330px}.about-image{min-height:300px}.about-image>span{font-size:30px}.about-copy{padding:60px 24px}.about-copy li span{flex-direction:column;gap:2px}.strength-grid{grid-template-columns:1fr 1fr}.strength-grid div{padding:30px 20px}.strength-grid i{margin-bottom:20px}.cta-inner{align-items:flex-start;flex-direction:column;gap:30px}.cta-inner>div:last-child{text-align:left}.cta h2{font-size:28px}.footer-grid{grid-template-columns:1fr;gap:35px}.footer-grid>div:first-child{grid-column:auto}.copyright .wrap{display:block;line-height:2}.copyright span{display:block}.mobile-call{display:block;position:fixed;z-index:80;bottom:16px;right:16px;background:var(--orange);color:#fff;padding:13px 19px;border-radius:30px;box-shadow:0 8px 25px #0004;font-size:13px}}