@charset "UTF-8";
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --white:#FFFFFF;--ice-50:#F7FCFE;--ice-100:#EEF8FC;--ice-200:#DDEEF5;--ice-300:#C6E3EE;
  --cyan:#00A5C8;--cyan-dark:#00829E;--cyan-light:#62D2E8;
  --ink:#0A2A38;--ink-2:#26485A;--dim:#5E7E8C;--dim-2:#8AA4AF;
  --r:10px;--r-sm:8px;
  --sh-sm:0 2px 8px -3px rgba(10,62,82,.10);
  --sh-md:0 18px 44px -20px rgba(10,62,82,.24);
  --sans:"Inter","Helvetica Neue",-apple-system,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"SF Mono","Roboto Mono",Consolas,monospace;
}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;
  font-size:15px;line-height:1.66}
a{text-decoration:none;color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono)}

/* 顶部公告 */
.topbar{background:var(--ink);color:#DCEEF5;text-align:center;font-size:12px;letter-spacing:.02em;padding:9px 16px}
.topbar b{color:#fff;font-weight:600}
.topbar i{opacity:.4;margin:0 9px;font-style:normal}
@media(max-width:680px){.topbar .tb3{display:none}.topbar{font-size:11px;padding:8px 12px}}

/* 导航 */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--ice-100)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.02em}
.logo .mark{width:26px;height:26px;border-radius:6px;background:linear-gradient(140deg,var(--cyan),var(--cyan-light));
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800}
.logo small{display:block;font-size:9px;letter-spacing:.22em;color:var(--dim-2);font-weight:600;margin-top:-3px}
.menu{display:flex;gap:30px;font-size:14px;color:var(--ink-2);font-weight:520}
.menu a{position:relative;padding:6px 0}
.menu a:hover{color:var(--cyan-dark)}
.menu a.on{color:var(--ink);font-weight:650}
.menu a.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--cyan);border-radius:2px}
.nav-r{display:flex;align-items:center;gap:14px}
.burger{display:none;width:38px;height:38px;border:1px solid var(--ice-300);background:#fff;
  border-radius:8px;cursor:pointer;position:relative;flex-shrink:0}
.burger i{position:absolute;left:11px;width:16px;height:1.7px;background:var(--ink);border-radius:2px;
  transition:.22s}
.burger i:nth-child(1){top:13px}
.burger i:nth-child(2){top:18px}
.burger i:nth-child(3){top:23px}
.burger.open i:nth-child(1){top:18px;transform:rotate(45deg)}
.burger.open i:nth-child(2){opacity:0}
.burger.open i:nth-child(3){top:18px;transform:rotate(-45deg)}
.mnav{display:none;position:fixed;left:0;right:0;top:62px;z-index:55;background:#fff;
  border-bottom:1px solid var(--ice-200);box-shadow:0 18px 34px -22px rgba(10,62,82,.4);padding:6px 0}
.mnav.on{display:block}
.mnav a{display:block;padding:14px 22px;font-size:15px;font-weight:560;color:var(--ink-2);
  border-bottom:1px solid var(--ice-100)}
.mnav a:last-child{border-bottom:0}
.mnav a:hover{color:var(--cyan-dark);background:var(--ice-50)}
.tel{font-family:var(--mono);font-size:13px;color:var(--ink-2);white-space:nowrap}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-sm);font-weight:600;
  font-size:14px;padding:11px 20px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-p{background:var(--cyan);color:#fff;box-shadow:0 8px 22px -10px rgba(0,165,200,.75)}
.btn-p:hover{background:var(--cyan-dark);transform:translateY(-1px);box-shadow:0 12px 26px -10px rgba(0,165,200,.8)}
.btn-g{background:#fff;color:var(--ink);border-color:var(--ice-300)}
.btn-g:hover{border-color:var(--cyan);color:var(--cyan-dark)}
.btn-sm{padding:9px 15px;font-size:13px}

/* 面包屑 */
.crumb{font-size:12.5px;color:var(--dim-2);padding:20px 0 0}
.crumb a:hover{color:var(--cyan-dark)}
.crumb span{margin:0 7px;opacity:.55}

/* Hero */
.hero{position:relative;overflow:hidden;
  background:
    radial-gradient(760px 480px at 88% 4%, rgba(0,165,200,.10), transparent 62%),
    radial-gradient(600px 420px at 2% 76%, rgba(98,210,232,.13), transparent 64%),
    linear-gradient(180deg,#F3FAFD 0%,#FBFDFE 52%,#FFFFFF 100%)}
.hero-in{display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center;padding:52px 0 84px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.16em;color:var(--cyan-dark);text-transform:uppercase;font-weight:600}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan)}
h1{font-size:clamp(34px,4vw,52px);line-height:1.06;letter-spacing:-.032em;font-weight:660;
  margin:16px 0 18px;text-wrap:balance}
.lede{font-size:16.5px;line-height:1.72;color:var(--ink-2);max-width:520px}
.lede b{color:var(--ink);font-weight:640}
.hero-cta{display:flex;gap:12px;margin:28px 0 0;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px;
  border-top:1px solid var(--ice-200);padding-top:22px}
.stats div{padding-right:14px}
.stats div + div{border-left:1px solid var(--ice-200);padding-left:18px}
.stats b{display:block;font-family:var(--mono);font-size:19px;font-weight:650;color:var(--ink);letter-spacing:-.02em}
.stats span{display:block;font-size:11px;color:var(--dim-2);letter-spacing:.04em;margin-top:3px;text-transform:uppercase}
.hero-fig{position:relative;border-radius:16px;overflow:hidden;background:#fff;
  border:1px solid var(--ice-200);box-shadow:var(--sh-md);aspect-ratio:1/.94;
  display:grid;grid-template-rows:1fr auto}
.hero-fig .shot{position:relative;overflow:hidden}
.hero-fig img{position:absolute;top:16px;left:16px;width:calc(100% - 32px);height:calc(100% - 32px);object-fit:contain;display:block}
.hero-fig .cap{padding:11px 18px;font-size:11.5px;color:var(--ink-2);
  background:var(--ice-50);border-top:1px solid var(--ice-100);
  display:flex;justify-content:space-between;font-family:var(--mono);letter-spacing:.02em}

/* 筛选条 */
.filter{position:sticky;top:70px;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--ice-100)}
.filter-in{display:flex;align-items:center;gap:14px;padding:13px 0;flex-wrap:wrap}
.tabs{display:flex;background:var(--ice-100);border-radius:var(--r-sm);padding:3px;gap:2px}
.tabs button{border:0;background:transparent;font-family:var(--sans);font-size:13px;font-weight:600;
  color:var(--dim);padding:8px 15px;border-radius:6px;cursor:pointer;transition:.18s;white-space:nowrap}
.tabs button.on{background:#fff;color:var(--ink);box-shadow:var(--sh-sm)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-left:auto}
.chip{border:1px solid var(--ice-200);background:#fff;border-radius:99px;padding:7px 14px;font-size:12.5px;
  color:var(--ink-2);cursor:pointer;transition:.18s;font-weight:520;white-space:nowrap}
.chip:hover{border-color:var(--cyan-light)}
.chip.on{background:var(--cyan);border-color:var(--cyan);color:#fff;font-weight:600}
.cnt{font-family:var(--mono);font-size:11.5px;color:var(--dim-2);margin-left:4px}

/* 参数表 */
.pt{padding:48px 0 0}
.grp{margin-bottom:52px}
.grp-h{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:14px;border-bottom:2px solid var(--ink);margin-bottom:0}
.grp-h h2{font-size:22px;font-weight:650;letter-spacing:-.02em}
.grp-h h2 em{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--cyan-dark);
  letter-spacing:.12em;margin-left:10px;font-weight:600}
.grp-h p{font-size:13px;color:var(--dim);max-width:430px;text-align:right;line-height:1.6}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead th{font-size:11px;font-weight:650;color:var(--dim);letter-spacing:.06em;text-transform:uppercase;
  padding:12px 10px;text-align:right;border-bottom:1px solid var(--ice-200);white-space:nowrap}
thead th:first-child{text-align:left}
thead th.sz,thead th.go{text-align:center}
tbody td{padding:13px 10px;border-bottom:1px solid var(--ice-100);text-align:right;vertical-align:middle}
tbody tr{transition:background .15s}
tbody tr:hover{background:var(--ice-50)}
td.m{text-align:left;font-family:var(--mono);font-weight:650;font-size:13.5px;color:var(--ink);white-space:nowrap}
td.m .star{color:var(--cyan);font-size:11px}
td.n{font-family:var(--mono);font-size:13px;color:var(--ink-2)}
td.n.b{font-weight:650;color:var(--ink)}
td.n.dim{color:var(--dim)}
td.sz{text-align:center;font-family:var(--mono);font-size:12.5px;color:var(--dim);white-space:nowrap}
td.go{text-align:center}
td.go a{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:6px;
  background:var(--ice-100);color:var(--cyan-dark);transition:.18s}
td.go svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
td.go a:hover{background:var(--cyan);color:#fff}
tr.hide{display:none}
.tnote{margin-top:12px;font-size:12.5px;color:var(--dim-2);line-height:1.7}
.tnote b{color:var(--ink-2);font-weight:620}
.mnote{display:none}

/* 一体 vs 分体 */
.sec{padding:78px 0}
.sec.ice{background:linear-gradient(180deg,#F7FCFE 0%,#FFFFFF 100%);border-top:1px solid var(--ice-100)}
.sec-h{max-width:660px;margin-bottom:44px}
.sec-h h2{font-size:clamp(24px,2.6vw,34px);font-weight:650;letter-spacing:-.028em;line-height:1.16;text-wrap:balance}
.sec-h p{margin-top:14px;color:var(--dim);font-size:15px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.card{background:#fff;border:1px solid var(--ice-200);border-radius:var(--r);padding:30px 28px;
  box-shadow:var(--sh-sm);transition:.25s}
.card:hover{box-shadow:var(--sh-md);border-color:var(--ice-300)}
.card .tag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--cyan-dark);background:var(--ice-100);padding:4px 9px;border-radius:4px;font-weight:600}
.card h3{font-size:19px;font-weight:650;margin:14px 0 6px;letter-spacing:-.015em}
.card .sub{font-size:13px;color:var(--dim-2);font-family:var(--mono)}
.card ul{list-style:none;margin:18px 0 0;display:grid;gap:9px}
.card li{font-size:13.5px;color:var(--ink-2);padding-left:18px;position:relative;line-height:1.6}
.card li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:2px;
  background:var(--cyan-light)}
.card .fig{margin-top:22px;border-radius:8px;overflow:hidden;background:#fff;
  border:1px solid var(--ice-100);height:196px}
.card .fig{position:relative}
.card .fig img{position:absolute;top:12px;left:12px;width:calc(100% - 24px);height:calc(100% - 24px);object-fit:contain;display:block}

/* 冰格说明 */
.info{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center;
  background:var(--ice-50);border:1px solid var(--ice-200);border-radius:14px;padding:38px 40px}
.info h3{font-size:19px;font-weight:650;letter-spacing:-.015em;margin-bottom:10px}
.info p{font-size:14px;color:var(--ink-2);line-height:1.75}
.info .k{font-family:var(--mono);color:var(--cyan-dark);font-weight:650}
.matrix{display:grid;grid-template-columns:repeat(18,1fr);gap:4px;margin-top:4px}
.matrix i{display:block;aspect-ratio:1;border-radius:2px;background:var(--cyan-light);
  border:1px solid var(--cyan-light);opacity:.9}
.matrix i.d{background:#fff;border-color:var(--ice-300);opacity:1}

/* 应用场景 */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.app{background:#fff;border:1px solid var(--ice-200);border-radius:var(--r);padding:26px 24px;
  transition:.24s;position:relative;display:flex;flex-direction:column;min-height:170px}
.app:hover{border-color:var(--cyan-light);box-shadow:var(--sh-md);transform:translateY(-3px)}
.app .no{font-family:var(--mono);font-size:11px;color:var(--dim-2);letter-spacing:.1em;margin-bottom:16px}
.app h4{font-size:15.5px;font-weight:650;letter-spacing:-.01em;margin-bottom:7px}
.app p{font-size:13px;color:var(--dim);line-height:1.62}
.app .arw{margin-top:auto;padding-top:14px;color:var(--cyan);font-size:13px;font-weight:600}
.app:hover .arw{color:var(--cyan-dark)}

/* 为什么 */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--ice-200);
  border:1px solid var(--ice-200);border-radius:var(--r);overflow:hidden}
.why div{background:#fff;padding:28px 24px}
.why b{display:block;font-family:var(--mono);font-size:26px;font-weight:650;color:var(--cyan-dark);
  letter-spacing:-.03em;margin-bottom:6px}
.why h4{font-size:14px;font-weight:650;margin-bottom:6px}
.why p{font-size:12.5px;color:var(--dim);line-height:1.6}

/* FAQ */
.faq{max-width:940px}
.faq details{border-bottom:1px solid var(--ice-200);padding:20px 0}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;
  font-size:15.5px;font-weight:600;letter-spacing:-.01em;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--cyan);font-size:19px;
  line-height:1;flex-shrink:0;transition:.2s}
.faq details[open] summary::after{content:"−"}
.faq p{margin-top:12px;font-size:14px;color:var(--ink-2);line-height:1.78;max-width:760px}
.faq p b{font-weight:640;color:var(--ink)}

/* CTA */
.cta{background:linear-gradient(135deg,#0A2A38 0%,#12455A 60%,#0E5C6E 100%);color:#fff;
  border-radius:16px;padding:54px 56px;display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(98,210,232,.28),transparent 66%)}
.cta h2{font-size:clamp(24px,2.6vw,32px);font-weight:650;letter-spacing:-.025em;line-height:1.18;position:relative}
.cta p{margin-top:14px;color:#BFD9E3;font-size:14.5px;line-height:1.7;position:relative}
.cta .acts{position:relative;display:grid;gap:12px}
.cta .row{display:flex;align-items:center;gap:13px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.13);border-radius:9px;padding:14px 17px;transition:.2s}
.cta .row:hover{background:rgba(255,255,255,.12)}
.cta .row b{font-size:13.5px;font-weight:600;display:block}
.cta .row span{font-size:11.5px;color:#9FC3D0}
.cta .row .ic{width:32px;height:32px;border-radius:8px;background:rgba(98,210,232,.18);
  display:grid;place-items:center;color:#A6E2F2;flex-shrink:0}
.cta .row .ic svg{width:17px;height:17px}
.float svg{flex-shrink:0}

/* Footer */
footer{background:#081F29;color:#9DBCC8;margin-top:96px;padding:64px 0 26px;font-size:13.5px}
.f-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.09)}
.f-brand .logo{color:#fff;margin-bottom:16px}
.f-brand p{line-height:1.8;font-size:13px;max-width:330px}
footer h5{color:#fff;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;font-weight:650}
footer ul{list-style:none;display:grid;gap:9px}
footer a:hover{color:var(--cyan-light)}
.f-bot{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;
  color:#6E93A1;flex-wrap:wrap}
.float{position:fixed;right:26px;bottom:26px;z-index:80;display:flex;align-items:center;gap:9px;
  background:#25D366;color:#fff;padding:12px 18px;border-radius:99px;font-weight:650;font-size:13.5px;
  box-shadow:0 14px 34px -12px rgba(37,211,102,.7);transition:.22s}
.float:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(37,211,102,.8)}

@media(max-width:1024px){
  .hero-in{grid-template-columns:1fr;gap:36px;padding-bottom:56px}
  .hero-fig{aspect-ratio:1/.72;max-height:400px}
  .two,.info,.cta{grid-template-columns:1fr}
  .apps{grid-template-columns:1fr 1fr}
  .why{grid-template-columns:1fr 1fr}
  .f-top{grid-template-columns:1fr 1fr;gap:32px}
  .menu,.tel{display:none}
  .burger{display:block}
  .stats{grid-template-columns:1fr 1fr;gap:18px 0}
  .stats div:nth-child(3){border-left:0;padding-left:0}
  .cta{padding:38px 30px}
  .info{padding:28px 24px}
}
@media(max-width:820px){
  thead th,tbody td{padding:11px 7px}
  .tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
}
@media(max-width:680px){
  .wrap{padding:0 20px}
  .sec{padding:64px 0}
  .apps,.why{grid-template-columns:1fr}
  .f-top{grid-template-columns:1fr}
  .nav{height:62px}
  .filter{top:62px}
  .grp-h{flex-direction:column;align-items:flex-start;gap:6px}
  .grp-h p{text-align:left}
  table{font-size:12.5px}
  thead th,tbody td{padding:10px 6px}
  .tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -20px;padding:0 20px}
  .c-cells,.c-bin,.c-volt{display:none}
  .mnote{display:block}
  thead th,tbody td{padding:10px 4px;font-size:11.5px}
  thead th{font-size:10px;letter-spacing:.02em}
  td.m{font-size:12px}
  td.n{font-size:11.5px}
  td.sz{font-size:10.5px}
  .tbl-scroll table{min-width:0}
  .float{right:16px;bottom:16px;padding:11px 15px;font-size:12.5px}
  .cta{border-radius:12px}
}