/* Liquid cooling landing — use site header over hero */
body.lc-body{background:#fff}
/* 顶栏：Hero 上透明；滚动后与全站 header-stand-out 一致 #08adef */
body.lc-body .page-header{
  background:transparent!important;
  background-color:transparent!important;
  box-shadow:none!important;
  border-color:transparent!important;
}
body.lc-body .page-header.header-stand-out,
body.lc-body .page-header.is-scrolled{
  background:#08adef!important;
  background-color:#08adef!important;
  border-color:rgba(0,0,0,0)!important;
  box-shadow:0 1px 30px rgba(51,51,51,.25)!important;
}
body.lc-body .page-header .nav-link{color:#fff!important}
body.lc-body .page-header .nav-link::after{background-color:#fff}
body.lc-body .page-header .navbar-brand .brand-logo.light-logo{display:inline-block!important}
body.lc-body .page-header .navbar-brand .brand-logo.dark-logo{display:none!important}
body.lc-body .page-header .menu-toggler-btn > span{background:#fff}
body.lc-body .page-header.header-stand-out .header-cta,
body.lc-body .page-header.is-scrolled .header-cta{
  background-color:#fff!important;
  color:#08adef!important;
}
.lc-page .lc-container{width:min(1170px,calc(100% - 40px));margin:0 auto}
.lc-page .blue-btn,.lc-page .outline-btn{cursor:pointer}
.lc-page .portfolio-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}
.lc-page .portfolio-head .section-title{margin-bottom:0}
.lc-page .category-tabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.lc-page .product-switch{display:none!important}

:root{--blue:#08adef;--blue-dark:#113f8a;--ink:#343434;--copy:#575757;--muted:#707070;--shade:#f2f2f2;--line:#e5e5e5;--white:#fff;--shadow:0 12px 35px rgba(17,63,138,.10);--sans:"Microsoft YaHei","Segoe UI",Arial,sans-serif;--display:"Microsoft YaHei","Segoe UI",Arial,sans-serif}
.lc-page *,.lc-page *:before,.lc-page *:after{box-sizing:border-box}
.lc-page{color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7;overflow-x:hidden;background:#fff}
.lc-page a{color:inherit;text-decoration:none}
.lc-page button{font:inherit}
.page{overflow:hidden}
.lc-container{width:min(1170px,calc(100% - 40px));margin:0 auto}
.section{padding:92px 0;position:relative}
.section-shade{background:var(--shade)}
.section-title{margin:0;color:var(--ink);font-size:clamp(30px,4vw,48px);line-height:1.2;font-weight:700;letter-spacing:-.04em}
.section-title span{color:var(--blue)}
.section-subtitle{max-width:680px;margin:14px 0 0;color:var(--muted);font-size:15px;line-height:1.9}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before{content:"";width:30px;height:2px;background:var(--blue)}
.section-heading{text-align:center;margin-bottom:44px}
.section-heading .section-subtitle{margin-left:auto;margin-right:auto}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}
.blue-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--blue);background:var(--blue);color:#fff;padding:11px 20px;border-radius:3px;font-size:12px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
.blue-btn:hover{background:#079bd5;box-shadow:0 8px 20px rgba(8,173,239,.22);transform:translateY(-2px)}
.outline-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid currentColor;color:#fff;padding:10px 19px;border-radius:3px;font-size:12px;font-weight:700;transition:background .2s,color .2s}
.outline-btn:hover{background:#fff;color:var(--blue-dark)}
.hero{min-height:760px;height:100vh;position:relative;display:flex;align-items:center;background:linear-gradient(135deg,var(--blue-dark) 0%,#1766aa 46%,var(--blue) 100%);color:#fff;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(17,63,138,.96) 0%,rgba(17,63,138,.78) 45%,rgba(8,173,239,.48) 100%),url('/assets/images/liquid-cooling/hero-bg.jpg');background-size:cover;background-position:center;mix-blend-mode:normal;opacity:.95}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.22),transparent 38%,rgba(0,0,0,.16)),linear-gradient(90deg,transparent 0,rgba(255,255,255,.14) 1px,transparent 1px);background-size:auto,120px 100%;opacity:.22}
.hero-content{position:relative;z-index:2;width:100%;padding-top:74px}
.hero-copy{max-width:820px;margin:auto;text-align:center}
.hero-copy .eyebrow{color:#dff7ff;justify-content:center}
.hero-copy .eyebrow:before{background:#dff7ff}
.hero-title{margin:24px 0 12px;font-size:clamp(39px,5.4vw,70px);line-height:1.18;font-weight:800;letter-spacing:-.06em}
.hero-title strong{display:block;font-size:.44em;letter-spacing:.15em;font-weight:500;margin-bottom:14px}
.hero-subtitle{margin:0 auto;max-width:720px;color:#e5f9ff;font-size:18px;line-height:1.9}
.hero-actions{display:flex;justify-content:center;gap:13px;margin-top:31px}
.hero-data{display:grid;grid-template-columns:repeat(3,1fr);max-width:760px;margin:62px auto 0;border-top:1px solid rgba(255,255,255,.42);padding-top:19px}
.hero-data div{position:relative;text-align:center}
.hero-data div+div:before{content:"";position:absolute;left:0;top:9px;width:1px;height:42px;background:rgba(255,255,255,.32)}
.hero-data b{display:block;font-size:31px;line-height:1;font-weight:800}
.hero-data span{display:block;margin-top:8px;font-size:11px;letter-spacing:.08em;color:#d6f2fa}
.hero-badge{position:absolute;z-index:2;right:clamp(24px,6vw,110px);bottom:80px;width:180px;padding:18px;border:1px solid rgba(255,255,255,.34);background:rgba(17,63,138,.24);backdrop-filter:blur(8px);font-size:10px;line-height:1.8;letter-spacing:.08em}
.hero-badge b{display:block;color:#fff;font-size:17px;letter-spacing:0;margin-bottom:6px}
.scroll-cue{position:absolute;z-index:2;left:50%;bottom:24px;transform:translateX(-50%);color:rgba(255,255,255,.78);font-size:10px;letter-spacing:.18em}
.scroll-cue:after{content:"";display:block;width:1px;height:28px;margin:7px auto 0;background:linear-gradient(#fff,transparent)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:68px;align-items:center}
.about-image{position:relative;min-height:420px;overflow:hidden}
.about-image img{width:100%;height:420px;object-fit:cover;display:block;transition:transform .7s}
.about-image:hover img{transform:scale(1.04)}
.about-image:after{content:"COSMO / JIAXING";position:absolute;bottom:20px;left:20px;color:#fff;font-size:11px;letter-spacing:.15em;text-shadow:0 1px 4px #000}
.about-copy h2{margin:15px 0 18px}
.about-copy>p{color:var(--muted);line-height:1.9}
.feature-list{display:grid;gap:18px;margin-top:30px}
.feature{display:grid;grid-template-columns:58px 1fr;gap:15px;align-items:center}
.feature-icon{width:52px;height:52px;display:grid;place-items:center;color:var(--blue);border:1px solid rgba(8,173,239,.45);border-radius:50%;font-size:21px;font-weight:800}
.feature h3{margin:0;font-size:16px}
.feature p{margin:4px 0 0;color:var(--muted);font-size:12px;line-height:1.6}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value-card{padding:28px 23px;background:#fff;border:1px solid #e9e9e9;box-shadow:0 5px 20px rgba(0,0,0,.045);transition:transform .25s,box-shadow .25s,border-color .25s}
.value-card:hover{transform:translateY(-7px);border-color:rgba(8,173,239,.55);box-shadow:var(--shadow)}
.value-card .num{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.1em}
.value-card .icon{height:74px;display:flex;align-items:center;color:var(--blue);font-size:38px}
.value-card h3{margin:0;font-size:18px;line-height:1.35}
.value-card p{margin:13px 0 0;color:var(--muted);font-size:12px;line-height:1.8}
.portfolio-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}
.portfolio-head .section-title{font-size:clamp(29px,3.7vw,45px)}
.category-tabs{display:flex;gap:8px;flex-wrap:wrap}
.category-tab{cursor:pointer;border:0;background:transparent;color:var(--copy);padding:9px 18px;font-size:13px;font-weight:700;border-radius:4px;transition:background .2s,color .2s}
.category-tab:hover,.category-tab.active{color:#fff;background:var(--blue)}
.product-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:25px;align-items:stretch}
.product-visual{min-height:480px;background:#fff;display:grid;place-items:center;overflow:hidden;position:relative}
.product-visual:before{content:"AIR LEAK TESTER";position:absolute;top:20px;left:24px;color:#a3a3a3;font-size:10px;letter-spacing:.15em}
.product-visual img{width:86%;max-width:430px;max-height:430px;object-fit:contain;transition:opacity .2s,transform .35s}
.product-visual img.fade{opacity:0;transform:translateY(12px)}
.product-info{background:#fff;padding:43px 42px;position:relative}
.product-info small{display:block;color:var(--blue);font-size:10px;letter-spacing:.12em;font-weight:700}
.product-info h3{margin:8px 0 14px;font-size:clamp(31px,4.2vw,53px);line-height:1.1;letter-spacing:-.05em}
.product-info>p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}
.product-switch{display:none!important}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:26px;border-top:1px solid var(--line)}
.knowledge-slider{position:relative}
.knowledge-track{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.knowledge-slider.is-scrollable .knowledge-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;
  -webkit-overflow-scrolling:touch;padding:4px 2px 12px;scrollbar-width:none;
}
.knowledge-slider.is-scrollable .knowledge-track::-webkit-scrollbar{display:none}
.knowledge-slider.is-scrollable .knowledge-card{
  flex:0 0 calc((100% - 44px) / 3);max-width:calc((100% - 44px) / 3);scroll-snap-align:start;
}
.knowledge-card{display:flex;flex-direction:column;min-height:220px;padding:26px 24px;background:#fff;border:1px solid #e9e9e9;box-shadow:0 5px 20px rgba(0,0,0,.045);transition:transform .25s,box-shadow .25s,border-color .25s}
.knowledge-card:hover{transform:translateY(-6px);border-color:rgba(8,173,239,.55);box-shadow:var(--shadow)}
.knowledge-card small{color:var(--blue);font-size:11px;font-weight:700;letter-spacing:.08em}
.knowledge-card h3{margin:12px 0 10px;font-size:18px;line-height:1.45;color:var(--ink)}
.knowledge-card p{margin:0;flex:1;color:var(--muted);font-size:13px;line-height:1.8}
.knowledge-more{margin-top:18px;color:var(--blue);font-size:12px;font-weight:700}
.knowledge-nav{
  position:absolute;top:50%;z-index:2;width:42px;height:42px;margin-top:-21px;border:1px solid #d9eaf1;
  border-radius:50%;background:#fff;color:var(--blue);font-size:28px;line-height:1;cursor:pointer;
  box-shadow:0 6px 18px rgba(17,63,138,.12);transition:background .2s,color .2s,opacity .2s,transform .2s;
}
.knowledge-nav:hover{background:var(--blue);color:#fff;transform:scale(1.05)}
.knowledge-nav[hidden]{display:none!important}
.knowledge-nav-prev{left:-16px}
.knowledge-nav-next{right:-16px}
.knowledge-more-wrap{margin-top:34px;text-align:center}
.knowledge-all-btn{color:var(--blue-dark);border-color:var(--blue)}
.knowledge-all-btn:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.spec{padding:16px 10px;border-bottom:1px solid var(--line)}
.spec:nth-child(odd){border-right:1px solid var(--line);padding-left:0}
.spec b{display:block;color:var(--ink);font-size:18px}
.spec span{display:block;margin-top:4px;color:var(--muted);font-size:10px}
.product-actions{margin-top:28px}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(8,173,239,.25);border-bottom:1px solid rgba(8,173,239,.25)}
.process-step{min-height:205px;padding:24px;border-right:1px solid rgba(8,173,239,.25);position:relative}
.process-step:last-child{border-right:0}
.process-step:after{content:"→";position:absolute;right:18px;top:22px;color:var(--blue);font-size:19px}
.process-step:last-child:after{content:"✓"}
.process-step strong{color:var(--blue);font-size:11px;letter-spacing:.12em}
.process-step h3{margin:52px 0 9px;font-size:17px}
.process-step p{margin:0;color:var(--muted);font-size:12px;line-height:1.75}
.coverage-grid{display:grid;grid-template-columns:1fr 1fr;gap:62px;align-items:center}
.coverage-image{position:relative;height:420px;overflow:hidden}
.coverage-image img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.coverage-image:hover img{transform:scale(1.04)}
.coverage-image .image-tag{position:absolute;bottom:20px;right:20px;background:var(--blue);color:#fff;padding:7px 12px;font-size:10px;letter-spacing:.1em}
.coverage-list{margin-top:26px;border-top:1px solid var(--line)}
.coverage-item{display:grid;grid-template-columns:135px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.coverage-item b{color:var(--blue);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.coverage-item p{margin:0;color:var(--copy);font-size:14px;line-height:1.7}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.chip{border:1px solid #d9eaf1;color:var(--blue-dark);padding:7px 11px;border-radius:2px;font-size:11px;background:#f7fcfe}
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{background:#fff;box-shadow:0 5px 20px rgba(0,0,0,.06);overflow:hidden}
.case-card .case-image{height:205px;overflow:hidden}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.case-card:hover img{transform:scale(1.05)}
.case-body{padding:21px 22px}
.case-body small{color:var(--blue);font-size:10px;font-weight:700;letter-spacing:.1em}
.case-body h3{margin:8px 0 0;font-size:16px}
.case-body p{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.7}
.support{position:relative;padding:78px 0;background:linear-gradient(90deg,rgba(17,63,138,.95),rgba(8,173,239,.84)),url('/assets/images/liquid-cooling/support-bg.jpg') center/cover;color:#fff}
.support:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.14) 1px,transparent 1px);background-size:90px 100%;opacity:.28}
.support .lc-container{position:relative}
.support .section-heading{margin-bottom:32px}
.support .section-title{color:#fff}
.support .section-subtitle{color:#e6f9ff}
.support-items{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}
.support-item{min-height:165px;padding:20px 14px;text-align:center;border:1px solid rgba(255,255,255,.34);background:rgba(0,20,72,.20);backdrop-filter:blur(6px);transition:transform .25s,background .25s}
.support-item:hover{transform:translateY(-6px);background:rgba(0,20,72,.38)}
.support-item .support-icon{font-size:31px;line-height:1.3}
.support-item h3{margin:13px 0 0;font-size:15px}
.support-item p{margin:6px 0 0;color:#d8f5fc;font-size:11px;line-height:1.5}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:65px}
.contact-copy .section-title{margin:14px 0 17px}
.contact-copy>p{color:var(--muted);font-size:14px;line-height:1.9;max-width:620px}
.contact-details{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:32px}
.detail-label{color:var(--blue);font-size:10px;font-weight:800;letter-spacing:.1em}
.detail-value{margin-top:7px;color:var(--copy);font-size:13px;line-height:1.85}
.network{border-top:1px solid var(--line);margin-top:14px}
.network-row{display:grid;grid-template-columns:70px 1fr;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}
.network-row b{color:var(--blue)}
.qr-wrap{display:flex;align-items:center;gap:18px;margin-top:27px}
.qr{width:102px;height:102px;padding:8px;display:grid;grid-template-columns:repeat(9,1fr);gap:3px;background:#fff;border:1px solid #d4eaf2}
.qr i{background:#113f8a}
.qr i:nth-child(3n+1),.qr i:nth-child(5n+2),.qr i:nth-child(7n+3){background:#08adef}
.qr-label{color:var(--muted);font-size:11px;line-height:1.6}
@media(max-width:991px){
  .value-grid{grid-template-columns:1fr 1fr}.support-items{grid-template-columns:repeat(3,1fr)}.product-visual{min-height:380px}
  .knowledge-track{grid-template-columns:1fr 1fr}
  .knowledge-slider.is-scrollable .knowledge-card{flex:0 0 calc((100% - 22px) / 2);max-width:calc((100% - 22px) / 2)}
  .knowledge-nav-prev{left:0}.knowledge-nav-next{right:0}
}
@media(max-width:600px){.lc-container{width:min(100% - 28px,1170px)}.section{padding:70px 0}.hero{min-height:700px}.hero-title{font-size:42px}.hero-subtitle{font-size:15px}.hero-badge{display:none}.hero-data{margin-top:45px}.hero-data b{font-size:24px}.hero-data span{font-size:9px;line-height:1.3}.about-image,.about-image img,.coverage-image{height:280px;min-height:280px}.value-grid,.cases,.support-items{grid-template-columns:1fr}.value-card{min-height:0}.portfolio-head{display:block}.category-tabs{margin-top:18px}.product-info{padding:30px 22px}.product-visual{min-height:320px}.process-grid{grid-template-columns:1fr}.process-step{min-height:160px;border-right:0;border-bottom:1px solid rgba(8,173,239,.25)}.process-step:last-child{border-bottom:0}.process-step h3{margin-top:33px}.coverage-item,.contact-details{grid-template-columns:1fr;gap:6px}.scroll-cue{display:none}.knowledge-track{grid-template-columns:1fr}.knowledge-slider.is-scrollable .knowledge-card{flex:0 0 86%;max-width:86%}.knowledge-nav{width:36px;height:36px;font-size:24px;margin-top:-18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}