:root{--bg:#050a10;--bg2:#0a1119;--panel:#0e1822;--line:rgba(255,255,255,.12);--text:#f5f7fa;--muted:#a9b4bf;--cyan:#44d4ff;--blue:#2377ff;--orange:#ff6b2c;--max:1320px;--header:82px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.6}body::selection{background:var(--cyan);color:#00111a}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%}.site-header{position:fixed;z-index:50;top:0;left:0;width:100%;height:var(--header);display:flex;align-items:center;justify-content:space-between;padding:0 max(28px,calc((100vw - var(--max))/2));border-bottom:1px solid transparent;transition:.35s}.site-header.scrolled{height:66px;background:rgba(5,10,16,.88);backdrop-filter:blur(18px);border-color:var(--line)}.brand{display:flex;align-items:center;gap:17px;font-size:14px;letter-spacing:.08em;font-weight:600}.brand img{width:90px;height:40px;object-fit:contain;filter:brightness(0) invert(1)}.brand-name{display:flex;flex-direction:column;line-height:1.15;letter-spacing:0}.brand-name strong{font-size:18px;font-weight:650;white-space:nowrap}.brand-name small{margin-top:5px;color:#aebbc6;font-size:9px;font-weight:500;letter-spacing:.08em;white-space:nowrap}.site-nav{display:flex;align-items:center;gap:34px}.site-nav a,.nav-link{position:relative;padding:10px 0;border:0;background:none;color:#d9e0e7;cursor:pointer;font-size:14px}.site-nav a::after,.nav-link::after{content:"";position:absolute;left:0;bottom:3px;width:0;height:1px;background:var(--cyan);transition:.25s}.site-nav a:hover::after,.nav-link:hover::after{width:100%}.nav-toggle{display:none;background:none;border:0;color:white}.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}.hero-media{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,8,13,.98) 2%,rgba(3,8,13,.72) 44%,rgba(3,8,13,.1) 78%),linear-gradient(0deg,rgba(3,8,13,.75),transparent 45%),url("hero-bg.png") center/cover no-repeat;transform:scale(1.03);animation:heroZoom 16s ease-out both}.hero-grid{position:absolute;inset:0;opacity:.12;background-image:linear-gradient(rgba(84,207,255,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(84,207,255,.35) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(to right,black,transparent 82%)}.hero-copy{position:relative;z-index:2;width:min(var(--max),calc(100% - 56px));margin:auto;padding-top:70px}.eyebrow{margin:0 0 22px;color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:.24em}.hero h1{margin:0;font-size:clamp(54px,7.6vw,116px);font-weight:520;line-height:1.02;letter-spacing:-.06em}.hero h1 span{background:linear-gradient(90deg,#fff,#70dcff 65%,#378aff);-webkit-background-clip:text;color:transparent}.hero-lead{font-size:clamp(18px,2vw,25px);color:#c5d0da;margin:32px 0 40px}.hero-actions{display:flex;gap:14px}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:54px;padding:0 25px;border:1px solid var(--line);border-radius:2px;cursor:pointer;font-weight:600;transition:.25s}.button-primary{border-color:var(--cyan);background:var(--cyan);color:#001018}.button-primary:hover{background:white;border-color:white;transform:translateY(-2px)}.button-ghost{background:rgba(7,14,21,.4);color:white}.button-ghost:hover{border-color:white;background:rgba(255,255,255,.08)}.hero-status{position:absolute;z-index:2;right:max(28px,calc((100vw - var(--max))/2));bottom:46px;display:flex;align-items:center;gap:13px;color:#a5b3be;font-size:10px;letter-spacing:.16em}.hero-status i{width:36px;height:1px;background:#53616c}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan);animation:pulse 2s infinite}.scroll-cue{position:absolute;z-index:2;left:50%;bottom:30px;width:28px;height:44px;border:1px solid rgba(255,255,255,.3);border-radius:18px}.scroll-cue span{position:absolute;top:8px;left:12px;width:3px;height:8px;background:white;border-radius:2px;animation:scroll 1.8s infinite}.section{width:min(var(--max),calc(100% - 56px));margin:auto;padding:130px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:60px}.section-heading h2,.company h2,.detail-intro h2{margin:0;font-size:clamp(38px,5vw,72px);line-height:1.08;letter-spacing:-.045em;font-weight:530}.section-heading>p{max-width:510px;margin:0;color:var(--muted);font-size:17px}.products{padding-bottom:155px}.product-stage{display:grid;grid-template-columns:1fr 1fr;min-height:670px;border:1px solid var(--line)}.product-card{position:relative;overflow:hidden;min-height:670px}.product-card+.product-card{border-left:1px solid var(--line)}.product-image,.product-shade{position:absolute;inset:0;transition:.7s}.product-cloud .product-image{background:url("cloud-bg.png") center/cover}.product-manufacturing .product-image{background:url("manufacturing-bg.png") center/cover}.product-shade{background:linear-gradient(0deg,rgba(2,8,13,.98),rgba(2,8,13,.12) 70%),linear-gradient(90deg,rgba(2,8,13,.3),transparent)}.product-card:hover .product-image{transform:scale(1.055)}.product-card:hover .product-shade{background:linear-gradient(0deg,rgba(2,8,13,.98),rgba(2,8,13,.02) 78%)}.product-index{position:absolute;right:28px;top:24px;color:rgba(255,255,255,.5);font-size:12px;letter-spacing:.18em}.product-copy{position:absolute;z-index:2;left:42px;right:42px;bottom:36px}.product-copy>p{margin:0 0 7px;color:var(--cyan);font-size:11px;letter-spacing:.2em}.product-copy h3{margin:0;font-size:clamp(36px,4vw,62px);font-weight:520;letter-spacing:-.045em}.product-copy>span{display:block;margin:8px 0 20px;color:#cad3dc;font-size:17px}.product-copy ul{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 30px;padding:0;list-style:none}.product-copy li{padding:6px 10px;border:1px solid rgba(255,255,255,.18);font-size:12px;color:#bec9d2;background:rgba(1,8,13,.35)}.product-copy strong{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px;font-size:13px}.product-copy strong b{font-size:20px;color:var(--cyan)}.company{display:grid;grid-template-columns:.8fr 1.2fr;gap:9vw;border-top:1px solid var(--line)}.company-visual{position:sticky;top:120px;height:600px;background:radial-gradient(circle at center,rgba(39,122,255,.21),transparent 57%),linear-gradient(145deg,#0b1720,#060a0f);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.company-orbit{position:absolute;width:420px;height:420px;border:1px solid rgba(68,212,255,.23);border-radius:50%;animation:rotate 22s linear infinite}.company-orbit::before,.company-orbit::after{content:"";position:absolute;inset:50px;border:1px solid rgba(255,255,255,.1);border-radius:50%}.company-orbit::after{inset:110px}.company-orbit span{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}.company-orbit span:nth-child(1){top:39px;left:90px}.company-orbit span:nth-child(2){right:13px;top:200px}.company-orbit span:nth-child(3){bottom:35px;left:100px}.company-number{position:relative;text-align:center}.company-number b{display:block;font-size:130px;line-height:.9;font-weight:400;letter-spacing:-.08em}.company-number span{color:#aeb9c4;font-size:13px;letter-spacing:.12em}.company-visual>p{position:relative;color:var(--cyan);font-size:13px}.company-copy>.large-copy{font-size:20px;color:#b6c1cc;margin:32px 0 50px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0;margin-bottom:35px}.metrics div{display:flex;flex-direction:column}.metrics b{font-size:36px;font-weight:480}.metrics em{font-size:15px;font-style:normal;margin-left:4px}.metrics span{color:#8997a3;font-size:12px}.team-list article{display:grid;grid-template-columns:45px 1fr;gap:10px;padding:24px 0;border-bottom:1px solid var(--line)}.team-list article>span{color:var(--cyan);font-size:11px}.team-list h3{margin:0 0 7px;font-size:17px}.team-list p{margin:0;color:#9eabb6;font-size:14px}.delivery{border-top:1px solid var(--line)}.delivery-track{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line)}.delivery-track article{position:relative;min-height:220px;padding:30px 22px;background:linear-gradient(145deg,rgba(255,255,255,.035),transparent)}.delivery-track article+article{border-left:1px solid var(--line)}.delivery-track article:not(:last-child)::after{content:"→";position:absolute;z-index:2;right:-12px;top:25px;color:var(--cyan);background:var(--bg);padding:0 3px}.delivery-track span{color:var(--cyan);font-size:11px}.delivery-track h3{margin:70px 0 6px;font-size:17px}.delivery-track p{margin:0;color:#8f9ba6;font-size:13px}.contact{position:relative;min-height:780px;display:grid;grid-template-columns:1fr 1fr;align-items:end;padding:max(90px,10vw);overflow:hidden}.contact-media{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,7,11,.93),rgba(2,7,11,.48) 52%,rgba(2,7,11,.65)),linear-gradient(0deg,rgba(2,7,11,.95),transparent 50%),url("contact-bg.png") center/cover}.contact-copy,.contact-info{position:relative;z-index:2}.contact-copy h2{font-size:clamp(44px,6vw,86px);line-height:1.05;letter-spacing:-.055em;font-weight:500;margin:0 0 35px}.contact-info{justify-self:end;width:min(100%,480px);background:rgba(5,11,17,.78);backdrop-filter:blur(14px);border:1px solid var(--line);padding:12px 34px}.contact-info div{padding:25px 0;border-bottom:1px solid var(--line)}.contact-info div:last-child{border:0}.contact-info span{display:block;color:var(--cyan);font-size:10px;letter-spacing:.2em;margin-bottom:6px}.contact-info a,.contact-info p{font-size:16px;margin:0}footer{min-height:140px;padding:35px max(28px,calc((100vw - var(--max))/2));display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);color:#87939e;font-size:12px}.footer-brand{display:flex;align-items:center;gap:18px}.footer-brand img{width:88px;filter:brightness(0) invert(1)}.consult-dialog{width:min(1040px,calc(100% - 30px));padding:0;border:1px solid rgba(255,255,255,.22);background:#081018;color:white;box-shadow:0 35px 100px #000;border-radius:0}.consult-dialog::backdrop{background:rgba(0,4,8,.8);backdrop-filter:blur(10px)}.dialog-close{position:absolute;z-index:3;right:18px;top:12px;border:0;background:none;color:white;font-size:34px;cursor:pointer}.consult-dialog[open]{display:grid;grid-template-columns:1fr 1fr}.dialog-media{min-height:550px;background:linear-gradient(0deg,rgba(2,8,13,.25),rgba(2,8,13,.12)),url("contact-bg.png") center/cover}.dialog-copy{padding:75px 55px;display:flex;flex-direction:column;justify-content:center}.dialog-copy h2{font-size:45px;line-height:1.1;margin:0 0 20px}.dialog-copy>p{color:#aeb9c3}.email-card{display:block;margin-top:22px;padding:24px;border:1px solid var(--line);background:rgba(255,255,255,.04);transition:.2s}.email-card:hover{border-color:var(--cyan);transform:translateY(-2px)}.email-card span{display:block;color:#82909c;font-size:11px}.email-card strong{display:block;margin:5px 0 12px;color:var(--cyan);font-size:20px}.email-card b{font-size:12px}.dialog-phone a{color:white}.detail-hero{position:relative;min-height:88svh;display:flex;align-items:end;padding:0 max(28px,calc((100vw - var(--max))/2)) 90px;overflow:hidden}.detail-hero-media,.detail-overlay{position:absolute;inset:0}.cloud-media{background:url("cloud-bg.png") center/cover}.manufacturing-media{background:url("manufacturing-bg.png") center/cover}.detail-overlay{background:linear-gradient(90deg,rgba(2,7,12,.94),rgba(2,7,12,.28) 70%),linear-gradient(0deg,rgba(2,7,12,.93),transparent 55%)}.detail-hero-copy{position:relative;z-index:2;max-width:930px}.back-link{display:inline-block;margin-bottom:60px;color:#b2bec8;font-size:13px}.detail-hero h1{font-size:clamp(60px,9vw,132px);line-height:.95;letter-spacing:-.065em;font-weight:500;margin:0}.detail-hero-copy>p:not(.eyebrow){font-size:clamp(18px,2vw,25px);max-width:800px;color:#d1d8df}.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}.tag-row span{padding:8px 13px;border:1px solid rgba(255,255,255,.25);background:rgba(0,0,0,.25);font-size:12px}.detail-intro{text-align:center;max-width:1060px}.detail-intro>p:last-child{max-width:780px;margin:30px auto 0;color:var(--muted);font-size:19px}.architecture,.data-chain,.quality-flow,.employees{border-top:1px solid var(--line)}.layer-stack{display:flex;flex-direction:column;gap:10px}.layer-stack article{display:grid;grid-template-columns:80px 1fr;align-items:center;min-height:120px;padding:20px 35px;border:1px solid var(--line);background:linear-gradient(90deg,rgba(35,119,255,.14),rgba(255,255,255,.02));transition:.2s}.layer-stack article:hover{border-color:rgba(68,212,255,.6);transform:translateX(6px)}.layer-stack b{color:var(--cyan);font-size:18px}.layer-stack h3{margin:0 0 5px;font-size:22px}.layer-stack p{margin:0;color:#95a3af}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);padding-top:0;padding-bottom:0}.feature-grid article{min-height:330px;padding:50px;background:#081018}.feature-grid article:hover{background:#0a1620}.feature-grid span,.chain-grid span{color:var(--cyan);font-size:11px}.feature-grid h3{font-size:28px;margin:95px 0 13px}.feature-grid p{color:#9eabb6;max-width:520px}.employee-list{border-top:1px solid var(--line)}.employee-list article{display:grid;grid-template-columns:240px 1fr;gap:30px;padding:28px 5px;border-bottom:1px solid var(--line)}.employee-list b{font-size:20px}.employee-list span{color:#99a6b1}.detail-cta{width:min(var(--max),calc(100% - 56px));margin:100px auto;padding:75px;display:flex;justify-content:space-between;align-items:end;gap:50px;background:linear-gradient(110deg,#0d2e43,#0b1520 60%);border:1px solid rgba(68,212,255,.25)}.detail-cta h2{font-size:clamp(34px,4vw,57px);line-height:1.1;margin:0}.detail-cta p:last-child{color:#a8b5c0}.chain-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.chain-grid article{padding:38px 28px;min-height:210px}.chain-grid article+article{border-left:1px solid var(--line)}.chain-grid h3{margin:60px 0 7px}.chain-grid p{color:#96a3af;font-size:13px}.data-key{margin-top:14px;padding:22px;text-align:center;border:1px solid rgba(68,212,255,.25);color:var(--cyan);font-size:13px;letter-spacing:.06em}.flow-line{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center}.flow-line article{min-height:250px;padding:35px 25px;border:1px solid var(--line)}.flow-line>i{padding:0 10px;color:var(--cyan);font-style:normal}.flow-line b{color:var(--cyan);font-size:12px}.flow-line h3{margin:80px 0 8px}.flow-line p{margin:0;color:#95a3ae;font-size:13px}.reveal{opacity:0;transform:translateY(25px);transition:opacity .8s ease,transform .8s ease}.reveal.is-visible{opacity:1;transform:none}@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1.02)}}@keyframes pulse{50%{opacity:.35;transform:scale(.7)}}@keyframes scroll{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(16px)}}@keyframes rotate{to{transform:rotate(360deg)}}
@media(max-width:980px){:root{--header:68px}.site-header{padding:0 20px}.brand-name strong{font-size:14px}.brand-name small{font-size:7px}.nav-toggle{display:block;width:38px;height:38px;position:relative}.nav-toggle span{position:absolute;left:7px;width:24px;height:1px;background:white;transition:.2s}.nav-toggle span:first-child{top:14px}.nav-toggle span:last-child{top:22px}.nav-toggle[aria-expanded="true"] span:first-child{top:18px;transform:rotate(45deg)}.nav-toggle[aria-expanded="true"] span:last-child{top:18px;transform:rotate(-45deg)}.site-nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:15px 24px 25px;background:rgba(5,10,16,.97);border-bottom:1px solid var(--line)}.site-nav.open{display:flex}.site-nav a,.nav-link{text-align:left;padding:16px 0;border-bottom:1px solid var(--line)}.product-stage{grid-template-columns:1fr}.product-card+.product-card{border-left:0;border-top:1px solid var(--line)}.company{grid-template-columns:1fr;gap:60px}.company-visual{position:relative;top:0}.delivery-track{grid-template-columns:repeat(3,1fr)}.delivery-track article:nth-child(4){border-left:0;border-top:1px solid var(--line)}.delivery-track article:nth-child(n+4){border-top:1px solid var(--line)}.contact{grid-template-columns:1fr;gap:70px}.contact-info{justify-self:start}.flow-line{grid-template-columns:1fr 1fr;gap:1px}.flow-line>i{display:none}.chain-grid{grid-template-columns:1fr 1fr}.chain-grid article:nth-child(3){border-left:0;border-top:1px solid var(--line)}.chain-grid article:nth-child(4){border-top:1px solid var(--line)}.detail-cta{align-items:start;flex-direction:column}.consult-dialog[open]{grid-template-columns:.8fr 1.2fr}}
@media(max-width:640px){.brand{gap:9px}.brand img{width:62px}.brand-name strong{font-size:12px}.brand-name small{margin-top:3px;font-size:6px;letter-spacing:.03em}.hero-copy,.section,.detail-cta{width:calc(100% - 36px)}.hero h1{font-size:52px}.hero-actions{flex-direction:column;align-items:stretch}.hero-status{display:none}.section{padding:90px 0}.section-heading{align-items:start;flex-direction:column;margin-bottom:38px}.product-card,.product-stage{min-height:570px}.product-copy{left:24px;right:24px}.product-copy ul{display:none}.company-visual{height:460px}.company-orbit{width:330px;height:330px}.metrics{grid-template-columns:1fr}.metrics div{border-bottom:1px solid var(--line);padding-bottom:16px}.delivery-track{grid-template-columns:1fr 1fr}.delivery-track article:nth-child(3),.delivery-track article:nth-child(5){border-left:0}.delivery-track article:nth-child(n+3){border-top:1px solid var(--line)}.contact{padding:90px 18px;min-height:850px}.contact-info{padding:10px 22px}.contact-copy h2{font-size:48px}footer{align-items:flex-start;flex-direction:column;gap:18px}.consult-dialog[open]{display:block;max-height:92vh;overflow:auto}.dialog-media{min-height:230px}.dialog-copy{padding:45px 25px}.dialog-copy h2{font-size:35px}.detail-hero{padding-left:18px;padding-right:18px;padding-bottom:65px}.detail-hero h1{font-size:58px}.detail-intro{text-align:left}.feature-grid{grid-template-columns:1fr}.feature-grid article{min-height:270px;padding:35px 26px}.feature-grid h3{margin-top:65px}.employee-list article{grid-template-columns:1fr;gap:6px}.chain-grid{grid-template-columns:1fr}.chain-grid article+article{border-left:0;border-top:1px solid var(--line)}.flow-line{grid-template-columns:1fr}.detail-cta{padding:42px 26px;margin-top:70px;margin-bottom:70px}.detail-cta .button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-media,.company-orbit,.status-dot,.scroll-cue span{animation:none}.reveal{opacity:1;transform:none;transition:none}}

footer{gap:24px}
.icp-link{color:#aab7c2;white-space:nowrap;transition:color .2s}
.icp-link:hover{color:var(--cyan)}

/* RCR brand lockup: use the supplied metallic mark at its natural ratio. */
:root{--header:88px}
.site-header.scrolled{height:72px}
.brand{gap:19px}
.brand img{display:block;width:112px;height:auto;flex:0 0 auto;object-fit:contain;filter:none}
.brand-name{min-height:46px;justify-content:center;line-height:1.12}
.brand-name strong{font-size:21px}
.brand-name small{margin-top:5px;color:#b9c4ce;font-size:10.5px;letter-spacing:.055em}
.site-nav{gap:36px}
.site-nav a,.nav-link{color:#e3e8ed;font-size:15px}
.footer-brand img{display:block;width:102px;height:auto;filter:none}

@media(max-width:980px){
  :root{--header:72px}
  .brand img{width:92px}
  .brand-name{min-height:38px}
  .brand-name strong{font-size:16px}
  .brand-name small{font-size:8px}
  .site-nav{top:72px}
}

@media(max-width:640px){
  .brand{gap:10px}
  .brand img{width:74px}
  .brand-name{min-height:31px}
  .brand-name strong{font-size:13.5px}
  .brand-name small{margin-top:3px;font-size:6.8px;letter-spacing:.02em}
}.site-beian {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  color: #87939e;
  font-size: 12px;
  line-height: 1.6;
}

.site-beian a {
  display: inline-flex;
  align-items: center;
  color: #87939e;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-beian a:hover {
  color: #44d4ff;
}

.police-beian {
  gap: 6px;
}

.police-beian img {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.beian-divider {
  color: rgba(255, 255, 255, 0.22);
}

@media (max-width: 640px) {
  .site-beian {
    justify-content: flex-start;
    gap: 7px;
  }

  .beian-divider {
    display: none;
  }
}
.site-beian {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  color: #87939e;
  font-size: 12px;
  line-height: 1.6;
}

.site-beian a {
  display: inline-flex;
  align-items: center;
  color: #87939e;
  text-decoration: none;
}

.site-beian a:hover {
  color: #44d4ff;
}

.police-beian {
  gap: 6px;
}

.police-beian img {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.beian-divider {
  color: rgba(255, 255, 255, 0.25);
}

@media (max-width: 640px) {
  .site-beian {
    justify-content: flex-start;
    gap: 7px;
  }

  .beian-divider {
    display: none;
  }
}