/* ==========================================================================
   万数可循物联 · 官网主题（QiuCMS front theme: wskx）
   品牌色：品牌蓝 #336FFF（主）+ 品牌绿 #00B42A（辅），深色底沿用深海军蓝 #0C447C
   ========================================================================== */

:root{
  --navy:#0C447C;
  --navy-700:#0A3A6B;
  --navy-900:#062444;
  --ink:#0B1B2B;
  --slate:#5A6B7C;
  --slate-light:#8496A6;
  --brand:#336FFF;
  --brand-dark:#2456E8;
  --brand-soft:#EBF1FF;
  --green:#00B42A;
  --green-dark:#008F22;
  --green-soft:#E9F8EE;
  --line:#E2E9F1;
  --line-soft:#EEF3F8;
  --bg:#F5F8FB;
  --bg-dark:#071A2E;
  --white:#fff;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(11,27,43,.06),0 4px 12px rgba(11,27,43,.05);
  --shadow:0 8px 28px rgba(12,68,124,.10);
  --shadow-lg:0 18px 48px rgba(6,36,68,.16);
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;cursor:pointer}
::selection{background:rgba(51,111,255,.22)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 通用元素 ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--green-dark);margin-bottom:14px;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--green);border-radius:2px}
.sec{padding:92px 0}
.sec--tight{padding:64px 0}
.sec--bg{background:var(--bg)}
.sec--dark{background:var(--bg-dark);color:#D7E3EF}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.02em}
.sec-head p{margin-top:16px;color:var(--slate);font-size:16.5px}
.sec--dark .sec-head p{color:#93A8BC}
.sec--dark .sec-head h2{color:#fff}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:linear-gradient(135deg,var(--brand) 0%,#1F49D8 100%);color:#fff;box-shadow:0 10px 24px rgba(51,111,255,.28)}
.btn--primary:hover{box-shadow:0 14px 30px rgba(51,111,255,.38)}
.btn--navy{background:var(--navy);color:#fff;box-shadow:0 10px 24px rgba(12,68,124,.24)}
.btn--navy:hover{background:var(--navy-700)}
.btn--ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn--line{border-color:var(--line);color:var(--navy);background:#fff}
.btn--line:hover{border-color:var(--brand);color:var(--brand-dark)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--navy);font-size:15px}
.link-more::after{content:"→";transition:transform .2s var(--ease)}
.link-more:hover{color:var(--brand-dark)}
.link-more:hover::after{transform:translateX(4px)}
.sec--dark .link-more{color:#8FE3F4}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(11,27,43,.06)}
.header-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{display:flex;align-items:center}
.brand-logo img{height:32px;width:auto;display:block}
.brand-text{display:flex;flex-direction:column;justify-content:center;line-height:1.15}
.brand-name{font-size:21px;font-weight:800;letter-spacing:.01em;color:var(--navy-900)}

.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:5px;height:74px;padding:0 12px;font-size:14.5px;font-weight:600;color:#22364A;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:20px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--navy));transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav-item:hover>.nav-link,.nav-link.is-active{color:var(--navy)}
.nav-item:hover>.nav-link::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link .caret{width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-1px);opacity:.55}

.dropdown{
  position:absolute;top:calc(100% - 10px);left:8px;min-width:196px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:8px;box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:9px;font-size:14.5px;color:#31465B;font-weight:500}
.dropdown a:hover{background:var(--brand-soft);color:var(--navy)}

/* 产品中心：软件 / 硬件 / 解决方案 三列大下拉 */
.dropdown--mega{
  position:fixed;left:50%;top:64px;transform:translate(-50%,8px);
  min-width:880px;padding:24px 8px 12px;
  display:grid;grid-template-columns:1fr 1.42fr 1fr;gap:0 2px;
  border-radius:16px;
}
.nav-item--mega:hover .dropdown--mega,.nav-item--mega:focus-within .dropdown--mega{transform:translate(-50%,0)}
.dropdown--mega::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand) 0%,#00B4D8 58%,var(--green) 100%);
}
.dropdown--mega .drop-col{padding:0 18px 12px}
.dropdown--mega .drop-col + .drop-col{border-left:1px solid var(--line)}
.drop-col-head{
  display:flex;align-items:center;gap:9px;font-size:12px;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;color:#7A8FA3;padding:2px 12px 0;
}
.drop-col-head::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand);flex-shrink:0}
.dropdown--mega .drop-col:nth-of-type(2) .drop-col-head::before{background:#00B4D8}
.dropdown--mega .drop-col:nth-of-type(3) .drop-col-head::before{background:var(--green)}
.drop-col-head::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.drop-col-desc{font-size:12px;line-height:1.5;color:#93A6B7;padding:5px 12px 8px}
.dropdown--mega .drop-links{display:flex;flex-direction:column;gap:1px;margin-top:2px}
.dropdown--mega .drop-links a{position:relative;font-size:14.5px;font-weight:600;padding:8px 12px;transition:background .18s var(--ease),color .18s var(--ease)}
.dropdown--mega .drop-links a::before{
  content:"";position:absolute;left:3px;top:50%;width:3px;height:0;border-radius:2px;
  background:var(--brand);transform:translateY(-50%);transition:height .18s var(--ease);
}
.dropdown--mega .drop-links a:hover{padding-left:12px}
.dropdown--mega .drop-links a:hover::before{height:15px}
/* 智能硬件列：分类小标题 + 具体产品清单 */
.dropdown--mega .drop-groups{display:flex;flex-direction:column;gap:8px;margin-top:5px}
.drop-group-head{
  display:flex;align-items:center;gap:5px;font-size:11.5px;font-weight:800;
  letter-spacing:.05em;color:#93A6B7;padding:5px 12px 3px;
  transition:color .18s var(--ease);
}
.drop-group-head i{font-style:normal;font-size:11px;color:#C2D1DE;transition:color .18s var(--ease),transform .18s var(--ease)}
/* 分类标题前的小箭头：标示这是一个可点进的设备分类 */
.drop-group-head::before{
  content:"\25B8";flex-shrink:0;font-size:10px;line-height:1;
  color:#A9BCCD;margin-top:1px;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.drop-group-head:hover::before{color:var(--brand);transform:translateX(1px)}
.drop-group-head:hover,.drop-group-head:hover i{color:var(--brand)}
.drop-group-head:hover i{transform:translateX(2px)}
.dropdown--mega .drop-prod{
  position:relative;font-size:13.6px;font-weight:600;line-height:1.35;
  margin-left:10px;padding:6px 12px 6px 20px;border-radius:8px;color:#3A506B;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.dropdown--mega .drop-prod::before{
  content:"";position:absolute;left:8px;top:50%;width:3px;height:0;border-radius:2px;
  background:var(--brand);transform:translateY(-50%);transition:height .16s var(--ease);
}
.dropdown--mega .drop-prod:hover{background:var(--brand-soft);color:var(--navy)}
.dropdown--mega .drop-prod:hover::before{height:13px}
/* 软件平台列：能力标签紧跟「物联设备统一接入平台」链接下方 */
.drop-tags{display:flex;flex-wrap:wrap;gap:6px;padding:2px 12px 8px 14px;margin:0}
/* 「进入系统」按钮：从导航直跳 iot.datakx.com 管理端 */
.dropdown--mega .drop-links a.drop-sys{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  margin:4px 0 6px 12px;padding:6px 11px;border-radius:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.01em;color:#fff;
  background:linear-gradient(135deg,var(--brand),#00B4D8);
  box-shadow:0 4px 12px rgba(51,111,255,.22);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.dropdown--mega .drop-links a.drop-sys::before{display:none}
.dropdown--mega .drop-links a.drop-sys i{font-style:normal;font-size:11px;transition:transform .18s var(--ease)}
.dropdown--mega .drop-links a.drop-sys:hover{
  color:#fff;padding-left:11px;transform:translateY(-1px);
  box-shadow:0 6px 16px rgba(51,111,255,.3);
}
.dropdown--mega .drop-links a.drop-sys:hover i{transform:translateX(2px)}
.drop-tags span{font-size:11.5px;font-weight:700;color:#5C7590;background:#F3F8FD;border:1px solid #E4EEF7;border-radius:6px;padding:4px 8px}
/* 第三列（解决方案）：浅底区块，做视觉补充 */
.dropdown--mega .drop-col--sol{
  background:linear-gradient(180deg,#F5F9FF 0%,#FBFDFF 100%);
  border-radius:12px;margin-left:2px;padding:14px 14px 12px;
}
.dropdown--mega .drop-col--sol + .drop-all{margin-top:8px}
.dropdown--mega .drop-col--sol .drop-col-head{padding:0 8px 0 6px}
.dropdown--mega .drop-col--sol .drop-col-head::after{background:linear-gradient(90deg,#DCE7F5,transparent)}
.dropdown--mega .drop-col--sol .drop-col-desc{padding:5px 8px 8px 6px}
.dropdown--mega .drop-col--sol .drop-links a{padding:8px 10px 8px 6px;font-size:14px}
.dropdown--mega .drop-col--sol .drop-links a:hover{background:#fff;color:var(--brand)}
/* 解决方案列：FDE 交付模式单列一条，与行业方案区隔 */
.dropdown--mega .drop-sol-extra{
  display:flex;align-items:center;gap:8px;
  margin:8px 8px 0 6px;padding:11px 4px 7px;
  border-top:1px dashed #D8E4F1;
  font-size:13.4px;font-weight:600;color:#3A506B;
  transition:color .16s var(--ease);
}
.dropdown--mega .drop-sol-extra em{
  font-style:normal;flex-shrink:0;
  font-size:10.5px;font-weight:800;letter-spacing:.04em;
  color:#0A7C8C;background:#E2F5F8;border-radius:5px;padding:2.5px 6px;
}
.dropdown--mega .drop-sol-extra:hover{color:var(--brand)}
.drop-col-more{
  display:inline-flex;align-items:center;gap:6px;margin:8px 0 0 6px;padding:6px 10px;
  border-radius:8px;font-size:12.5px;font-weight:700;color:var(--navy);
}
.drop-col-more span{color:var(--brand);transition:transform .2s var(--ease)}
.drop-col-more:hover{background:#fff}
.drop-col-more:hover span{transform:translateX(3px)}
.dropdown--mega .drop-all{
  grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;
  margin:6px 12px 0;padding:11px 12px 9px;border-top:1px solid var(--line);
  border-radius:0;font-size:13.5px;font-weight:700;color:var(--navy);
}
.dropdown--mega .drop-all span{color:var(--brand);font-size:15px;transition:transform .2s var(--ease)}
.dropdown--mega .drop-all:hover{background:transparent;transform:none}
.dropdown--mega .drop-all:hover span{transform:translateX(4px)}

.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header-tel{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--navy)}
.header-tel svg{width:16px;height:16px}

.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--navy);border-radius:2px;transition:transform .25s,opacity .2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 首页 Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 520px at 78% 8%,rgba(51,111,255,.30),transparent 62%),
    radial-gradient(700px 420px at 12% 92%,rgba(12,68,124,.55),transparent 65%),
    linear-gradient(155deg,#071A2E 0%,#0A2A4C 48%,#0C447C 100%);
  padding:104px 0 0;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;padding-bottom:72px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px 7px 9px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:13px;font-weight:600;color:#C9D9F8;margin-bottom:26px;
}
.hero-badge b{background:var(--green);color:#fff;font-size:11px;padding:2px 8px;border-radius:999px;letter-spacing:.04em}
.hero h1{font-size:clamp(32px,4.2vw,54px);letter-spacing:-.025em;line-height:1.18}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#7DB4FF,#336FFF 55%,#00C566);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:22px;font-size:17px;line-height:1.85;color:#AFc6D8;color:#A9C2D6;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta b{font-size:24px;font-weight:800;letter-spacing:-.02em;color:#fff}
.hero-meta span{font-size:13px;color:#8FA9BE;margin-top:2px}
.hero-visual{position:relative}
.hero-panel{
  position:relative;border-radius:var(--radius-lg);padding:22px;
  background:linear-gradient(160deg,rgba(255,255,255,.13),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 70px rgba(0,0,0,.32);
  backdrop-filter:blur(6px);
}
.hero-panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.hero-panel-title{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#9FC0D4;font-weight:700}
.live-dot{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#6FE3C4}
.live-dot i{width:7px;height:7px;border-radius:50%;background:#33E0AE;box-shadow:0 0 0 4px rgba(51,224,174,.18);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(51,224,174,0)}}
.device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.device-cell{background:rgba(6,26,46,.42);border:1px solid rgba(255,255,255,.10);border-radius:12px;padding:14px 15px}
.device-cell span{display:block;font-size:12px;color:#8FA9BE}
.device-cell b{display:block;font-size:20px;font-weight:800;margin-top:4px;color:#fff}
.device-cell b i{font-style:normal;font-size:12px;color:#7DB4FF;margin-left:4px;font-weight:600}
.hero-wave{position:relative;height:1px}
.hero-strip{position:relative;border-top:1px solid rgba(255,255,255,.10);background:rgba(4,18,32,.34)}
.hero-strip .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:12px 34px;padding:20px 28px;font-size:13.5px;color:#93AEC3}
.hero-strip b{color:#EAF6FB;font-weight:700}

/* ---------- 受众卡 ---------- */
.audience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.audience-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.audience-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(51,111,255,.4)}
.aud-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--navy);margin-bottom:18px}
.aud-icon svg{width:23px;height:23px}
.audience-card h3{font-size:17.5px;margin-bottom:9px}
.audience-card p{font-size:14.5px;color:var(--slate);line-height:1.8}

/* ---------- 平台（深色） ---------- */
.platform-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:48px;align-items:center}
.platform-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.10);border-radius:var(--radius);overflow:hidden;margin-top:34px}
.platform-stats div{background:#0A2338;padding:20px 18px}
.platform-stats b{display:block;font-size:23px;font-weight:800;color:#fff}
.platform-stats span{font-size:12.5px;color:#8FA9BE}
/* 浅色底场合（关于我们）：深色字版，避免白底白字 */
.platform-stats--light{background:#DCE8F2}
.platform-stats--light div{background:#fff;padding:18px 18px}
.platform-stats--light b{color:var(--navy);font-size:22px}
.platform-stats--light span{color:var(--slate)}
/* 架构区竖向步骤流：填满左列纵向空间，与右侧架构图的设备→云→终端流向呼应 */
.arch-steps{list-style:none;margin:34px 0 0;padding:0}
.arch-steps li{position:relative;display:flex;gap:16px;padding-bottom:26px}
.arch-steps li:last-child{padding-bottom:0}
.arch-steps li:not(:last-child)::before{content:"";position:absolute;left:17px;top:40px;bottom:4px;width:1px;background:linear-gradient(180deg,rgba(95,224,245,.45),rgba(95,224,245,.08))}
.arch-steps b{flex-shrink:0;width:35px;height:35px;border-radius:50%;display:grid;place-items:center;font-size:12.5px;font-weight:800;color:#5FE0F5;background:rgba(95,224,245,.08);border:1px solid rgba(95,224,245,.35);box-sizing:border-box}
.arch-steps h4{margin:8px 0 4px;font-size:15px;font-weight:700;color:#fff;line-height:1.3}
.arch-steps p{margin:0;font-size:13px;color:#8FA9BE;line-height:1.7}
/* 6 项能力排 2 列 × 3 行：与左列标题区高度对齐，避免右侧单列过长、左侧垂直居中留大片空白 */
.cap-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.cap-item{
  display:flex;gap:11px;padding:16px 17px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
  border:1px solid rgba(255,255,255,.09);
  transition:border-color .25s,background .25s;
}
.cap-item:hover{border-color:rgba(51,111,255,.45);background:linear-gradient(120deg,rgba(51,111,255,.13),rgba(255,255,255,.03))}
.cap-num{font-size:11.5px;font-weight:800;letter-spacing:.08em;color:var(--brand);padding-top:3px;min-width:22px}
.cap-item h3{font-size:15px;color:#fff;margin-bottom:5px}
.cap-item p{font-size:12.8px;color:#9CB3C6;line-height:1.65}

/* ---------- 产品卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card-grid--4{grid-template-columns:repeat(4,1fr)}
.card-grid--product{grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid #E8EEF6;border-radius:16px;overflow:hidden;
  box-shadow:0 1px 2px rgba(11,27,43,.03),0 5px 16px rgba(11,27,43,.05);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
/* hover 顶部品牌渐变条（蓝→绿）自左展开 */
.product-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--green));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);z-index:2}
.product-card:hover{transform:translateY(-5px);border-color:rgba(51,111,255,.38);box-shadow:0 6px 14px rgba(15,52,96,.06),0 22px 44px rgba(15,52,96,.12)}
.product-card:hover::before{transform:scaleX(1)}
.product-thumb{
  position:relative;aspect-ratio:1/1;background:#fff;
  display:grid;place-items:center;overflow:hidden;
  padding:20px;
}
.product-thumb img{width:100%;height:100%;object-fit:contain;object-position:center;transition:transform .5s var(--ease)}
.product-card:hover .product-thumb img{transform:scale(1.05)}
.product-thumb .ph{font-size:13px;color:#93A7B9;letter-spacing:.1em;text-align:center;padding:0 16px}
.product-tags{display:flex;flex-wrap:wrap;gap:6px}
.product-cat{display:inline-flex;align-items:center;background:var(--brand-soft);color:var(--brand-dark);font-size:11.5px;font-weight:700;letter-spacing:.02em;padding:3px 10px;border-radius:999px}
.product-body{padding:15px 16px 14px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-model{font-family:ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace;font-size:11.5px;font-weight:600;letter-spacing:.05em;color:var(--slate-light)}
.product-card h3{font-size:15px;line-height:1.45;font-weight:700;color:var(--navy-900);transition:color .2s}
.product-card:hover h3{color:var(--brand-dark)}
.product-card p.desc{display:none}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:11.5px;font-weight:600;color:var(--navy);background:#F2F6FB;border:1px solid #E2EAF4;padding:3px 9px;border-radius:999px}
.product-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;font-weight:600;color:var(--brand-dark)}
.product-foot span{color:var(--brand-dark)}
.product-foot::after{content:"→";color:var(--brand);font-size:15px;transition:transform .25s var(--ease)}
.product-card:hover .product-foot::after{transform:translateX(4px)}

/* ---------- 首页：合作伙伴 logo 墙 ---------- */
.partner-sec{padding:66px 0 58px;overflow:hidden}
.sec-head--center{text-align:center;max-width:640px;margin:0 auto 34px}
.sec-head--center p{margin-left:auto;margin-right:auto}
.partner-marquee{display:flex;flex-direction:column;gap:16px}
.marquee-row{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent)}
.marquee-track{display:flex;width:max-content;will-change:transform;animation:pm-scroll 44s linear infinite}
.marquee-row--rev .marquee-track{animation-name:pm-scroll-rev;animation-duration:52s}
.marquee-set{display:flex;align-items:center;gap:16px;padding-right:16px}
.partner-card{
  width:196px;height:82px;flex-shrink:0;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 20px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.partner-card img{max-width:100%;max-height:100%;object-fit:contain;filter:saturate(.2);opacity:.82;transition:filter .25s var(--ease),opacity .25s var(--ease)}
.partner-card:hover{transform:translateY(-4px);border-color:rgba(51,111,255,.35);box-shadow:0 10px 24px rgba(15,52,96,.10)}
.partner-card:hover img{filter:saturate(1);opacity:1}
.partner-marquee:hover .marquee-track{animation-play-state:paused}
@keyframes pm-scroll{to{transform:translateX(-50%)}}
@keyframes pm-scroll-rev{from{transform:translateX(-50%)}to{transform:translateX(0)}}
@media (prefers-reduced-motion:reduce){
  .marquee-track{animation:none}
  .marquee-row{overflow-x:auto}
}
@media (max-width:768px){
  .partner-card{width:150px;height:66px;padding:10px 14px;border-radius:10px}
  .marquee-set{gap:12px;padding-right:12px}
}
.partner-grid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}

/* ---------- 方案卡 ---------- */
.solution-card{
  position:relative;display:flex;flex-direction:column;padding:32px 30px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.solution-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--brand),var(--navy));transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.solution-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(51,111,255,.4)}
.solution-card:hover::before{transform:scaleX(1)}
.solution-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--green-dark);background:var(--green-soft);padding:4px 11px;border-radius:999px;align-self:flex-start;margin-bottom:16px}
.solution-card h3{font-size:19px;line-height:1.45}
.solution-card p{font-size:14.5px;color:var(--slate);margin-top:11px;line-height:1.8;flex:1}
.solution-card .link-more{margin-top:22px;font-size:14px}

/* ---------- 案例卡 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.case-card{
  display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(51,111,255,.4)}
.case-thumb{aspect-ratio:1/1;border-radius:12px;overflow:hidden;background:linear-gradient(150deg,#EAF1F8,#DCE7F3);display:grid;place-items:center;font-size:12px;color:#93A7B9;text-align:center;padding:10px}
.case-thumb img{width:100%;height:100%;object-fit:cover}
.case-card h3{font-size:17px;line-height:1.5}
.case-card p{font-size:14px;color:var(--slate);margin-top:10px;line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.case-meta{display:flex;gap:10px;align-items:center;margin-top:14px;font-size:12.5px;color:var(--slate-light)}
.case-meta .chip{font-size:11px}

/* ---------- 数据条 ---------- */
.stats-band{background:linear-gradient(120deg,var(--navy-900),var(--navy) 60%,#0C5E93);color:#fff;padding:54px 0}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center}
.stats-row b{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.02em;background:linear-gradient(100deg,#fff,#8FE3F4);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats-row span{display:block;font-size:14px;color:#A8C3D8;margin-top:6px}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;padding:76px 0;background:linear-gradient(120deg,#062444,#0C447C 55%,#0A6E96);color:#fff;text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 20%,rgba(51,111,255,.28),transparent 45%),radial-gradient(circle at 85% 75%,rgba(51,111,255,.2),transparent 42%)}
.cta-band .wrap{position:relative}
.cta-band h2{font-size:clamp(24px,3vw,34px)}
.cta-band p{margin:16px auto 0;max-width:640px;color:#B7D2E4;font-size:16px}
.cta-actions{display:flex;justify-content:center;gap:14px;margin-top:32px;flex-wrap:wrap}

/* ---------- 内页页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;padding:72px 0 66px;
  background:
    radial-gradient(700px 380px at 88% -10%,rgba(51,111,255,.34),transparent 62%),
    linear-gradient(130deg,#071A2E,#0A2F55 62%,#0C447C);
}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(circle at 30% 20%,#000,transparent 75%);-webkit-mask-image:radial-gradient(circle at 30% 20%,#000,transparent 75%)}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.02em}
.page-hero p{margin-top:16px;color:#A9C2D6;font-size:16.5px;max-width:720px;line-height:1.8}
/* 物联设备统一接入平台页头：右侧三机套壳效果图（真实小程序界面） */
.page-hero--iot .wrap{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:36px;align-items:center}
.page-hero--iot .iot-hero-copy{min-width:0}
.page-hero--iot h1{font-size:clamp(28px,2.95vw,40px)}
.page-hero--iot p{max-width:560px}
.iot-hero-art{display:flex;justify-content:center;align-items:center;min-width:0}
.iot-hero-art img{display:block;width:100%;max-width:540px;height:auto;filter:drop-shadow(0 26px 50px rgba(0,0,0,.28))}
@media (max-width:1024px){
  .page-hero--iot .wrap{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:20px}
  .page-hero--iot p{max-width:none}
  .iot-hero-art img{max-width:100%}
}
@media (max-width:680px){
  .page-hero--iot .wrap{grid-template-columns:1fr}
  .iot-hero-art{display:none}
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#8FA9BE;margin-bottom:22px}
.crumbs a{color:#B9D3E4}
.crumbs a:hover{color:#fff}
.crumbs i{font-style:normal;opacity:.5}

/* ---------- 列表页工具条 ---------- */
.list-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-bottom:34px}
.tabs{display:flex;flex-wrap:wrap;gap:8px}
.tabs a{display:inline-flex;align-items:center;height:38px;padding:0 17px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:#3B5065;transition:all .2s var(--ease)}
.tabs a:hover{border-color:var(--brand);color:var(--brand-dark)}
.tabs a.is-active{background:var(--navy);border-color:var(--navy);color:#fff}
.result-hint{font-size:13.5px;color:var(--slate-light)}
.empty-state{padding:80px 24px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);color:var(--slate)}
.empty-state b{display:block;font-size:17px;color:var(--ink);margin-bottom:8px}

/* ---------- 分页 ---------- */
.qiu-pages{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:44px}
.qiu-pages li{display:block}
.qiu-pages a,.qiu-pages span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 14px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:#3B5065}
.qiu-pages a:hover{border-color:var(--brand);color:var(--brand-dark)}
.qiu-pages .current,.qiu-pages .current span{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- 详情页 ---------- */
.detail-hero{padding:56px 0 0;background:var(--bg);border-bottom:1px solid var(--line)}
.detail-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:44px;align-items:start;padding-bottom:64px}
.detail-gallery{border-radius:var(--radius-lg);overflow:hidden;background:#fff;border:1px solid var(--line);aspect-ratio:5/4;display:grid;place-items:center;padding:54px}
.detail-gallery img{width:100%;height:100%;object-fit:contain;object-position:center}
.detail-gallery .ph{color:#93A7B9;font-size:13px;letter-spacing:.12em}
.detail-info h1{font-size:clamp(24px,3vw,36px);letter-spacing:-.02em;margin-bottom:14px}
.detail-lead{font-size:16px;color:var(--slate);line-height:1.85}
.detail-model{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--green-dark);background:var(--green-soft);padding:5px 12px;border-radius:999px;margin-bottom:18px;letter-spacing:.04em}
.spec-list{margin-top:26px;border-top:1px solid var(--line)}
.spec-row{display:flex;gap:18px;padding:12px 0;border-bottom:1px solid var(--line-soft);font-size:14.5px}
.spec-row dt{width:104px;flex-shrink:0;color:var(--slate-light)}
.spec-row dd{margin:0;color:#22364A;font-weight:600}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);position:sticky;top:96px}
.side-card h3{font-size:16.5px;margin-bottom:8px}
.side-card p{font-size:13.5px;color:var(--slate);line-height:1.75}
.side-card .btn{width:100%;margin-top:16px}
.side-contact{margin-top:20px;padding-top:18px;border-top:1px solid var(--line-soft);font-size:13.5px;color:var(--slate)}
.side-contact b{display:block;color:var(--navy);font-size:17px;margin-top:3px}

.article-sec{padding:64px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;align-items:start}
.prose{font-size:16.5px;line-height:1.95;color:#25384C}
.prose>*+*{margin-top:1.05em}
.prose h2{font-size:23px;margin-top:2em;padding-left:14px;position:relative;line-height:1.45}
.prose h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--navy))}
.prose h3{font-size:18.5px;margin-top:1.6em}
.prose p{color:#37505F;color:#374F63}
.prose ul,.prose ol{padding-left:1.2em;list-style:disc}
.prose li{margin-top:.5em}
.prose img{border-radius:12px;margin:1.4em 0}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;margin:1.4em 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.prose th{background:#F2F7FB;font-weight:700;color:var(--navy);white-space:nowrap}
.prose blockquote{margin:1.4em 0;padding:14px 20px;background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:#23445A}
.prose strong{color:var(--ink)}

.info-box{background:#F2F7FB;border:1px solid #DEEAF4;border-radius:var(--radius);padding:22px 24px;margin:28px 0}
.info-box h4{font-size:15px;color:var(--navy);margin-bottom:10px}
.info-box p{font-size:14.5px;color:var(--slate)}

.side-nav{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-nav h4{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate-light);margin-bottom:14px}
.side-nav ul{display:grid;gap:2px}
.side-nav a{display:block;padding:8px 11px;border-radius:9px;font-size:14.5px;color:#3B5065}
.side-nav a:hover{background:var(--bg);color:var(--navy)}
.side-nav a.is-active{background:var(--brand-soft);color:var(--navy);font-weight:700}
.side-nav .btn{margin-top:16px;width:100%}

.article-meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:13.5px;color:var(--slate-light);margin-bottom:26px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C7D4E0}

.pager-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.pager-links a{display:flex;flex-direction:column;gap:4px;flex:1;min-width:240px;padding:14px 18px;border:1px solid var(--line);border-radius:12px;font-size:14px;color:#3B5065;transition:all .2s}
.pager-links a:hover{border-color:var(--brand);background:#F8FCFE}
.pager-links span{font-size:12px;color:var(--slate-light)}

.related-sec{margin-top:52px}
.related-sec h3{font-size:19px;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-item{display:block;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:all .2s}
.related-item:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.related-item b{display:block;font-size:14.5px;line-height:1.6;font-weight:600;color:var(--ink)}
.related-item span{display:block;font-size:12.5px;color:var(--slate-light);margin-top:6px}

/* ---------- 单页区块 ---------- */
.page-body{padding:76px 0 92px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split--wide{grid-template-columns:1.1fr .9fr}
.feature-list{display:grid;gap:18px;margin-top:30px}
.feature-list li{display:flex;gap:13px;font-size:15px;color:#33495C;line-height:1.8}
/* 标题块不折行：等宽对齐冒号后的正文（“品牌方门户”“企业员工福利”等长标题不再断字） */
.feature-list li b{flex-shrink:0;white-space:nowrap;min-width:5.6em;font-weight:700;color:var(--ink)}
.feature-list li::before{content:"";flex-shrink:0;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--green-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300B42A' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/12px no-repeat}

.tile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile-grid--4{grid-template-columns:repeat(4,1fr)}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:all .25s var(--ease)}
.tile:hover{border-color:rgba(51,111,255,.42);box-shadow:var(--shadow);transform:translateY(-3px)}
.tile .num{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--brand-dark)}
.tile h3{font-size:17px;margin:12px 0 9px}
.tile p{font-size:14px;color:var(--slate);line-height:1.78}
.tile ul{margin-top:12px;display:grid;gap:7px}
.tile ul li{font-size:13.5px;color:#41586D;padding-left:15px;position:relative}
.tile ul li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--brand)}
/* AI / MCP 专题区底部的适用范围与 CTA */
.mcp-foot{max-width:760px;margin:32px auto 0;text-align:center}
.mcp-foot p{margin:0 0 18px;font-size:14px;line-height:1.8;color:var(--slate)}

/* 时间轴 */
.timeline{position:relative;margin-top:44px;padding-left:0;display:grid;gap:0}
.timeline::before{content:"";position:absolute;left:calc(88px + 15px);top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),var(--line));opacity:.6}
.tl-item{display:grid;grid-template-columns:88px 32px 1fr;gap:0 18px;align-items:start;padding:16px 0}
.tl-year{font-size:19px;font-weight:800;color:var(--navy);letter-spacing:-.01em;padding-top:2px}
.tl-dot{position:relative;display:flex;justify-content:center;padding-top:8px}
.tl-dot i{width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(51,111,255,.14);z-index:1}
.tl-body h3{font-size:16.5px;margin-bottom:6px}
.tl-body p{font-size:14.5px;color:var(--slate);line-height:1.78}

/* 资质卡 */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.cert-card .badge{display:inline-block;font-size:11.5px;font-weight:700;color:var(--green-dark);background:var(--green-soft);padding:3px 10px;border-radius:999px;margin-bottom:14px}
.cert-card h3{font-size:16px;line-height:1.5}
.cert-card p{font-size:13px;color:var(--slate);margin-top:8px;line-height:1.7}
.cert-card code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--slate);background:var(--bg);padding:1px 5px;border-radius:4px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.contact-card .aud-icon{margin-bottom:16px}
.contact-card h3{font-size:16.5px;margin-bottom:8px}
.contact-card p,.contact-card a{font-size:15px;color:var(--slate);line-height:1.8}
.contact-card a:hover{color:var(--brand-dark)}
.contact-card b{font-size:20px;color:var(--navy);font-weight:800}
.map-note{margin-top:34px;padding:22px 26px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--line);font-size:14px;color:var(--slate)}

/* ---------- 搜索 ---------- */
.search-box{display:flex;gap:12px;max-width:640px;margin-top:26px}
.search-box input{flex:1;height:50px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.10);border-radius:999px;padding:0 22px;font-size:15px;color:#fff;outline:none}
.search-box input::placeholder{color:#8FA9BE}
.search-box input:focus{border-color:var(--brand);background:rgba(255,255,255,.16)}
.search-head{display:flex;align-items:baseline;gap:12px;margin-bottom:28px}
.search-head b{font-size:22px;color:var(--navy)}
.search-result-list{display:grid;gap:14px}
.search-result{display:block;padding:22px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:all .2s}
.search-result:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.search-result h3{font-size:17px;line-height:1.55}
.search-result p{font-size:14px;color:var(--slate);margin-top:8px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.search-result .meta{font-size:12.5px;color:var(--slate-light);margin-top:10px}

/* ---------- 404 ---------- */
.notfound{text-align:center;padding:120px 0 140px}
.notfound .code{font-size:clamp(80px,12vw,140px);font-weight:900;letter-spacing:-.05em;line-height:1;background:linear-gradient(120deg,var(--navy),var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent}
.notfound h1{font-size:24px;margin:18px 0 10px}
.notfound p{color:var(--slate)}
.notfound .btn{margin-top:28px}

/* ---------- 页脚 ---------- */
.site-footer{background:#061A2E;color:#93A8BC;padding:54px 0 0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.35fr .75fr .75fr .75fr 1.1fr;gap:38px;padding-bottom:26px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-logo img{height:28px;width:auto}
/* 后台「系统Logo」通常是白底深色版，页脚为深蓝底：未单独上传反白版时用 CSS 反白保证可读 */
.footer-brand .brand-logo img.is-inverted{filter:brightness(0) invert(1)}
.footer-desc{margin-top:16px;font-size:13.8px;line-height:1.85;color:#8CA5BA;max-width:330px}
.footer-contact{margin-top:16px;display:grid;gap:9px;font-size:13.8px}
.footer-contact div{display:flex;gap:9px;align-items:flex-start;color:#A9C2D6}
.footer-contact svg{width:15px;height:15px;flex-shrink:0;margin-top:4px;opacity:.75}
/* 联系方式列：双号码带城市标签 */
.footer-contact-col{min-width:0}
.footer-contact-col .footer-contact{margin-top:16px}
.fc-tels{display:grid;gap:9px}
.fc-tel{display:flex;align-items:center;gap:9px}
.fc-city{flex-shrink:0;font-size:11px;font-weight:600;color:#7FD6EA;background:rgba(0,180,216,.15);border:1px solid rgba(0,180,216,.4);border-radius:999px;padding:2.5px 9px;letter-spacing:.08em;line-height:1.3}
.fc-tel a{font-size:15px;font-weight:600;color:#fff;letter-spacing:.04em;white-space:nowrap;transition:color .2s var(--ease)}
.fc-tel a:hover{color:var(--brand)}
/* 品牌栏内的「关注我们」 */
.footer-brand h4{font-size:14px;color:#fff;font-weight:700;margin:24px 0 14px;letter-spacing:.02em}
.follow-row{display:flex;gap:10px}
.follow-row figure{display:flex;flex-direction:column;align-items:center;gap:7px;margin:0}
.follow-row img{width:70px;height:70px;border-radius:9px;background:#fff;padding:4px;display:block;transition:transform .25s var(--ease)}
.follow-row figure:hover img{transform:translateY(-3px)}
.follow-row figcaption{font-size:12px;color:#8CA5BA;letter-spacing:.02em}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.8px;color:#93A8BC}
.footer-col a:hover{color:var(--brand)}
/* 友情链接（数据来自后台「内容管理 → 友情链接」栏目，模型 friend_link） */
.footer-friends{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;padding:2px 0 22px}
.ff-label{font-size:12.5px;color:#6F869B;letter-spacing:.08em;flex-shrink:0;padding-right:16px;border-right:1px solid rgba(255,255,255,.12);line-height:1}
.ff-list{display:flex;flex-wrap:wrap;gap:8px 20px}
.ff-list a{font-size:13px;color:#93A8BC;transition:color .2s}
.ff-list a:hover{color:var(--brand)}

/* ---------- 友情链接（独立页 /c/friendlinks.html） ---------- */
.friend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.friend-item{display:flex;flex-direction:column;gap:6px;padding:18px 20px;background:#fff;border-radius:14px;box-shadow:0 1px 2px rgba(11,27,43,.04),0 6px 18px rgba(11,27,43,.06);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.friend-item:hover{transform:translateY(-3px);box-shadow:0 4px 10px rgba(11,27,43,.06),0 16px 34px rgba(11,27,43,.12)}
.friend-item b{font-size:15px;font-weight:700;color:var(--navy)}
.friend-item span{font-size:12.5px;color:var(--slate-light);word-break:break-all}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;font-size:13px;color:#7C93A8}
/* 右下角「在线咨询」按钮常驻。桌面端内容窄于视口、底部链接行原本会顶到按钮下面，
   这里把该行右侧让出按钮宽度（随视口收窄自动增大，超宽屏自动归零），
   换取版权行可以贴近页脚底边，不再靠大段留白躲按钮。 */
@media (min-width:1080px){
  .footer-bottom{padding-right:min(180px,max(0px,calc(800px - 50vw)))}
}
/* 窄屏版权文字会绕满整行，无法横向避让，只能留出按钮本体的高度（46px+16px 定位+余量） */
@media (max-width:1079px){
  .footer-bottom{padding-bottom:76px}
}
.footer-bottom a{color:#93A8BC}
.footer-bottom a:hover{color:var(--brand)}
.beian-ga{display:inline-flex;align-items:center;gap:5px;vertical-align:-3px}
.beian-ga img{width:15px;height:15px;flex-shrink:0;display:block}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 资讯列表 ---------- */
.news-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.news-row{display:grid;grid-template-columns:96px 1fr 28px;gap:26px;align-items:center;padding:26px 30px;border-bottom:1px solid var(--line-soft);transition:background .2s}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:#F8FCFE}
.news-date{text-align:center;border-right:1px solid var(--line);padding-right:18px}
.news-date b{display:block;font-size:26px;font-weight:800;color:var(--navy);line-height:1.1;letter-spacing:-.02em}
.news-date span{display:block;font-size:12px;color:var(--slate-light);margin-top:4px}
.news-main h3{font-size:17px;line-height:1.55}
.news-row:hover .news-main h3{color:var(--navy)}
.news-main p{font-size:14px;color:var(--slate);margin-top:8px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-arrow{color:var(--brand);font-size:18px;opacity:0;transform:translateX(-6px);transition:all .25s var(--ease)}
.news-row:hover .news-arrow{opacity:1;transform:none}

/* ---------- 动效 ---------- */
.js-reveal [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js-reveal [data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js-reveal [data-reveal]{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .audience-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid--4,.card-grid--product{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1.35fr 1fr 1fr;gap:30px}
  .follow-row{gap:14px}
  .follow-row img{width:76px;height:76px;border-radius:10px;padding:5px}
  .friend-grid{grid-template-columns:repeat(2,1fr)}
  .dual-stats{grid-template-columns:1fr;gap:10px}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px;padding-bottom:56px}
  .hero-visual{max-width:520px}
  .platform-layout{grid-template-columns:1fr;gap:40px}
  .detail-layout{grid-template-columns:1fr;gap:32px}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .split,.split--wide{grid-template-columns:1fr;gap:38px}
  .contact-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:30px}
  .cert-grid,.tile-grid{grid-template-columns:repeat(2,1fr)}
  .tile-grid--4{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .side-card{position:static}
  .side-nav{position:static}
}
@media (max-width:860px){
  .header-tel{display:none}
  .header-inner{justify-content:space-between}
  /* 移动端顺序：logo | 预约演示 | 汉堡菜单（DOM 中汉堡在 nav 前，用 order 调到最右） */
  .header-actions{order:2;gap:12px}
  .nav-toggle{order:3}
  .nav-toggle{display:flex}
  .nav{
    position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 22px;
    box-shadow:0 18px 32px rgba(11,27,43,.10);display:none;max-height:calc(100vh - 74px);overflow:auto;
  }
  .nav.is-open{display:flex}
  .nav-link{height:52px;padding:0 6px;font-size:16px}
  .nav-link::after{display:none}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 8px 14px;min-width:0}
  .dropdown a{padding:7px 10px;font-size:14.5px;color:#5A6B7C}
  /* 移动端：大下拉退回单列，分组标题并入列表 */
  .dropdown--mega{display:block;position:static;left:auto;min-width:0;padding:0;transform:none}
  .nav-item--mega:hover .dropdown--mega{transform:none}
  .dropdown--mega .drop-col{padding:6px 0 2px}
  .dropdown--mega .drop-col--sol{background:transparent;border-radius:0;margin-left:0;padding:6px 0 2px}
  .dropdown--mega .drop-col--sol .drop-col-head,.dropdown--mega .drop-col--sol .drop-col-desc{padding-left:10px}
  .dropdown--mega .drop-col--sol .drop-links a{padding:7px 10px}
  .drop-col-more{margin-left:2px}
  .dropdown--mega .drop-col + .drop-col{border-left:0;border-top:1px solid var(--line-soft);margin-top:6px;padding-top:10px}
  .drop-col-head{padding:4px 10px 2px;font-size:11.5px}
  .drop-col-head::after{display:none}
  .drop-col-desc{padding:0 10px 4px}
  /* 移动端硬件清单：压缩行高，避免菜单过长 */
  .dropdown--mega .drop-groups{gap:2px;margin-top:2px}
  .drop-group-head{padding:4px 10px 2px;font-size:11px}
  .dropdown--mega .drop-prod{font-size:13.2px;margin-left:8px;padding:6px 10px 6px 16px}
  .dropdown--mega .drop-prod::before{left:5px}
  .dropdown--mega .drop-sol-extra{margin:6px 4px 0 2px;padding:10px 4px 6px;font-size:13.2px}
  .drop-tags{padding:2px 10px 6px 12px}
  .dropdown--mega .drop-all{margin:8px 0 0;padding:10px;border-top:1px solid var(--line-soft)}
  .sec{padding:64px 0}
  .page-hero{padding:52px 0 46px}
  .wrap{padding:0 20px}
}
@media (max-width:680px){
  .audience-grid,.card-grid,.cert-grid,.tile-grid,.related-grid,.platform-stats,.dual-stats,.cap-list{grid-template-columns:1fr}
  /* 平台能力卡：窄屏回落单列后恢复阅读字号，避免两列压缩规格在宽行里显得过小 */
  .cap-item{padding:18px 18px;gap:13px}
  .cap-item h3{font-size:16px}
  .cap-item p{font-size:13.5px;line-height:1.7}
  /* 核心优势等短句小卡：移动端保持两列，压缩内边距 */
  .tile-grid--4{grid-template-columns:repeat(2,1fr);gap:12px}
  .tile-grid--4 .tile{padding:18px 15px}
  .tile-grid--4 .tile h3{font-size:15px;margin:9px 0 7px}
  .tile-grid--4 .tile p{font-size:12.8px;line-height:1.65}
  /* 场景列表：移动端取消桌面端等宽对齐（min-width 撑出大空隙、长短标签宽度参差），改自然流式排布 */
  .feature-list{gap:14px}
  .feature-list li{display:block;position:relative;padding-left:27px;font-size:14.2px}
  .feature-list li b{min-width:0;white-space:normal}
  .feature-list li::before{position:absolute;left:0;top:4px;margin:0}
  /* 产品卡片移动端保持两列（方图卡片，单列太浪费纵向空间） */
  .card-grid--4,.card-grid--product{grid-template-columns:repeat(2,1fr);gap:12px}
  .product-card{border-radius:12px}
  .product-thumb{padding:12px}
  .product-body{padding:11px 11px 10px;gap:5px}
  .product-card h3{font-size:13.5px;line-height:1.4}
  .product-model{font-size:10.5px;letter-spacing:.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .product-foot{font-size:11.5px;padding-top:7px}
  .product-foot::after{font-size:13px}
  .case-card{grid-template-columns:1fr}
  .case-thumb{aspect-ratio:16/9}
  .hero{padding-top:64px}
  .hero-meta{gap:18px}
  .hero-meta b{font-size:20px}
  .sec-head{margin-bottom:34px}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1/-1}
  .footer-brand h4{margin-top:20px}
  .follow-row{gap:12px}
  .follow-row img{width:64px;height:64px;padding:4px}
  .friend-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:64px 24px 1fr;gap:0 12px}
  .timeline::before{left:calc(64px + 11px)}
  .tl-year{font-size:16px}
  .stats-row b{font-size:26px}
  .pager-links a{min-width:100%}
  .qiu-pages a,.qiu-pages span{min-width:36px;height:36px;padding:0 10px;font-size:13.5px}
}

/* ---------- 平台页：架构动效图 & 双中心地图 ---------- */
.sec--plat{padding:74px 0}
.sec--dark-adjacent{border-top:1px solid rgba(255,255,255,.06)}
.dual-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.dual-stats div{background:#fff;border:1px solid #E4EDF7;border-radius:14px;padding:15px 16px;box-shadow:0 2px 10px rgba(15,52,96,.045)}
.dual-stats b{display:block;font-size:15.5px;font-weight:800;color:var(--brand-dark);margin-bottom:6px;letter-spacing:.01em}
.dual-stats span{font-size:12.5px;color:var(--slate);line-height:1.65}
/* 地图卡片在浅色底上减轻投影 */
.arch-visual,.map-visual{
  border-radius:var(--radius-lg);padding:14px;
  justify-self:center;width:100%;
  border:1px solid rgba(255,255,255,.08);box-shadow:0 30px 70px rgba(0,0,0,.32);
}
.arch-visual{max-width:392px;background:linear-gradient(165deg,#0B2036,#071A2E 62%)}
.map-visual{max-width:492px;background:linear-gradient(170deg,#FFFFFF,#F0F6FC 70%);border:1px solid #DFE9F4;box-shadow:0 24px 52px rgba(10,32,58,.14)}
/* 动效图收窄：减少两侧与纵向留白 */
.arch-visual{max-width:392px}
.map-visual{max-width:492px}
.sec--plat .split{gap:52px}
.arch-visual svg,.map-visual svg{display:block;width:100%;height:auto}
.arch-node{fill:rgba(255,255,255,.05);stroke:rgba(255,255,255,.12);stroke-width:1.2}
.arch-node--hub{stroke:rgba(0,180,66,.55)}
.arch-icon{stroke:#DCE9F3;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.arch-label{font:600 15px/1 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;fill:#9FB4C7}
.arch-label--strong{font-weight:700;fill:#E8F1F8}
.arch-title{font:800 21px/1 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;fill:#fff;letter-spacing:.02em}
.arch-tag rect{fill:rgba(0,180,66,.10);stroke:rgba(0,180,66,.42);stroke-width:1}
.arch-tag text{font:600 11.5px/1 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;fill:#3ECB6C}
.arch-path{fill:none;stroke:rgba(140,165,186,.34);stroke-width:1.6}
.arch-path--live{stroke:#3F8CFF;stroke-width:2.6;stroke-dasharray:7 7;animation:dashflow 1.2s linear infinite}
.arch-dot{fill:#00B42A}
.arch-dot--blue{fill:#7DB4FF}
.arch-sync-dot{fill:#00B42A;animation:syncblink 1.6s ease-in-out infinite}
.arch-sync-text{font:600 13px/1 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;fill:#3ECB6C}
@keyframes dashflow{to{stroke-dashoffset:-14}}
@keyframes syncblink{0%,100%{opacity:.4}50%{opacity:1}}
@keyframes hubpulse{0%,100%{r:22;opacity:1}50%{r:28;opacity:.72}}
.map-outline{fill:#E7EFF9;stroke:#C3D4E6;stroke-width:3;stroke-linejoin:round}
.map-route{fill:none;stroke:rgba(0,150,60,.42);stroke-width:4;stroke-dasharray:12 18;animation:dashflow 1.5s linear infinite}
.map-dot{fill:#3F8CFF}
.map-hub{fill:#F5A623;stroke:#fff;stroke-width:2.2;animation:hubpulse 2.2s ease-in-out infinite}
.map-dash{stroke:#B9CBDD;stroke-width:3.4;stroke-linecap:round}
.map-label{font:600 44px/1 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;fill:#63788C}
.map-label--hub{fill:#D98A00;font-weight:800;font-size:48px}
.map-label--tiny{fill:#94A9BE;font-size:30px;font-weight:500}
/* 深色区内的 tile 变体 */
.sec--dark .tile{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.10)}
.sec--dark .tile h3{color:#fff}
.sec--dark .tile p{color:#93A8BC}
.sec--dark .tile .num{color:#3ECB6C}
.sec--dark .tile:hover{border-color:rgba(0,180,66,.45);transform:translateY(-3px)}
@media (prefers-reduced-motion:reduce){
  .arch-path--live,.map-route,.arch-sync-dot,.map-hub{animation:none}
}

/* ---------- 平台页：控制台仪表盘 ---------- */
.dash-panel{
  position:relative;
  display:grid;grid-template-columns:1fr 252px;gap:20px;
  background:linear-gradient(160deg,#0E2740,#081C31 65%);
  border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:18px;
  box-shadow:0 30px 70px rgba(4,18,32,.4);
}
.dash-demo{position:absolute;top:-11px;right:18px;z-index:2;font-size:11px;font-weight:700;letter-spacing:.05em;color:#8FB4CC;background:#0A2137;border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:3px 10px;white-space:nowrap}
.dash-main{display:grid;gap:14px;min-width:0}
.dash-top{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.dash-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px;color:#E8F1F8}
.dash-brand i{width:9px;height:9px;border-radius:3px;background:linear-gradient(135deg,var(--brand),var(--green))}
.dash-tabs{display:flex;gap:6px;margin-left:8px}
.dash-tabs span{font-size:12px;color:#8CA5BA;padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.10)}
.dash-tabs .is-on{background:rgba(79,195,247,.14);border-color:rgba(79,195,247,.4);color:#7FD4F7}
.dash-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.dash-online{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#3ECB6C}
.dash-online i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(0,180,42,.18)}
.dash-btn{font-size:12px;font-weight:600;color:#CFE2F0;padding:6px 14px;border-radius:8px;border:1px solid rgba(255,255,255,.14)}
.dash-btn--primary{background:linear-gradient(135deg,#3F8CFF,#2456E8);border-color:transparent;color:#fff}
.dash-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.dash-stat{display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px 15px}
.dash-ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:15px;flex-shrink:0}
.dash-ic--cyan{background:rgba(79,195,247,.14);color:#7FD4F7}
.dash-ic--green{background:rgba(0,180,66,.14);color:#3ECB6C}
.dash-ic--amber{background:rgba(245,166,35,.14);color:#F5A623}
.dash-stat small{display:block;font-size:11.5px;color:#8CA5BA}
.dash-stat b{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.01em}
.dash-stat em{display:inline-block;font-style:normal;font-size:11px;margin-left:6px;padding:2px 8px;border-radius:999px;background:rgba(255,255,255,.07);color:#9FB4C7}
.dash-stat em.up{background:rgba(0,180,66,.12);color:#3ECB6C}
.dash-stat em.warn{background:rgba(245,166,35,.12);color:#F5A623}
.dash-grid2{display:grid;grid-template-columns:1.05fr .95fr;gap:12px}
.dash-card{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px 16px;min-width:0}
.dash-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.dash-card-head b{font-size:13.5px;color:#E8F1F8}
.dash-card-head span{font-size:11.5px;color:#8CA5BA;display:inline-flex;align-items:center;gap:5px}
.dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.25);display:inline-block}
.dot--cyan{background:#4FC3F7}
.dot--green{background:var(--green)}
.dash-syncing i{width:6px;height:6px;border-radius:50%;background:#4FC3F7;animation:syncblink 1.4s ease-in-out infinite}
.dash-chart{width:100%;height:130px;display:block}
.dash-gridlines line{stroke:rgba(255,255,255,.06);stroke-width:1}
.dash-cap{fill:none;stroke:rgba(140,165,186,.4);stroke-width:1.6;stroke-dasharray:5 6}
.dash-area{fill:url(#dashArea);stroke:none}
.dash-line{fill:none;stroke:#4FC3F7;stroke-width:2.4;stroke-linejoin:round;stroke-linecap:round}
.dash-peaks circle{fill:#0E2740;stroke:#4FC3F7;stroke-width:2}
.dash-xlabels{display:flex;justify-content:space-between;font-size:10.5px;color:#7E93A8;margin-top:6px}
.dash-devices{list-style:none;display:grid;gap:8px}
.dash-devices li{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:9px;padding:9px 12px}
.dash-devices b{display:block;font-size:12.5px;color:#DCE9F3;font-weight:600}
.dash-devices span{font-size:11px;color:#8CA5BA}
.dash-devices div{flex:1;min-width:0}
.st{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.st--ok{background:var(--green);box-shadow:0 0 0 3px rgba(0,180,42,.15)}
.st--warn{background:#F5A623;box-shadow:0 0 0 3px rgba(245,166,35,.15)}
.tag{font-style:normal;font-size:10.5px;font-weight:600;padding:3px 9px;border-radius:999px;flex-shrink:0}
.tag--green{background:rgba(0,180,66,.12);color:#3ECB6C}
.tag--amber{background:rgba(245,166,35,.12);color:#F5A623}
.dash-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.dash-stream{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#9FB4C7}
.dash-live{animation:syncblink 1.6s ease-in-out infinite}
.dash-foot-dots{display:flex;gap:5px;margin-left:auto;margin-right:6px}
.dash-foot-dots i{width:6px;height:6px;border-radius:50%;background:rgba(79,195,247,.7)}
.dash-foot-dots i:nth-child(3n){background:rgba(245,166,35,.8)}
.dash-foot-dots i:nth-child(4n){background:rgba(0,180,66,.8)}
/* 手机 mockup */
.dash-phone{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);border-radius:22px;padding:9px}
.dash-screen{background:linear-gradient(170deg,#0C2338,#081A2C);border-radius:16px;height:100%;min-height:330px;padding:12px 13px;display:flex;flex-direction:column;gap:9px}
.ph-status{display:flex;justify-content:space-between;font-size:9.5px;color:#7E93A8}
.ph-head b{display:block;font-size:14px;color:#fff}
.ph-head span{font-size:10px;color:#8CA5BA}
.ph-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ph-stats div{background:rgba(79,195,247,.10);border:1px solid rgba(79,195,247,.25);border-radius:9px;padding:8px 10px}
.ph-stats small{display:block;font-size:9.5px;color:#8CA5BA}
.ph-stats b{font-size:15px;color:#fff}
.ph-sec{font-size:11px;font-weight:700;color:#CFE2F0;margin-top:2px}
.ph-dev{display:flex;align-items:center;justify-content:space-between;gap:8px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);border-radius:9px;padding:8px 10px;font-size:11px;color:#DCE9F3}
.ph-tgl{width:26px;height:15px;border-radius:999px;background:rgba(255,255,255,.16);position:relative;flex-shrink:0}
.ph-tgl.on{background:var(--green)}
.ph-tgl.on::after{content:"";position:absolute;right:2px;top:2px;width:11px;height:11px;border-radius:50%;background:#fff}
.ph-bar{width:56px;height:6px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;flex-shrink:0}
.ph-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--green));border-radius:999px}
.ph-nav{margin-top:auto;display:flex;justify-content:space-around;border-top:1px solid rgba(255,255,255,.08);padding-top:8px;font-size:10px;color:#7E93A8}
.ph-nav .on{color:#7FD4F7;font-weight:700}
@media (max-width:1024px){
  .dash-panel{grid-template-columns:1fr}
  .dash-phone{max-width:260px}
}
@media (max-width:680px){
  .dash-stats{grid-template-columns:repeat(2,1fr)}
  .dash-grid2{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .dash-syncing i,.dash-live{animation:none}
}

/* ---------- 右侧客服浮层 ---------- */
.kefu{position:fixed;right:22px;bottom:26px;z-index:120;display:flex;flex-direction:column;align-items:flex-end;gap:14px;font-size:14px;width:min(344px,calc(100vw - 28px));pointer-events:none}
/* 咨询按钮：每隔几秒轻轻跳一下做提示，其余时间静止；hover/聚焦时停跳交给位移动效 */
@keyframes kefu-hop{
  0%,14%,100%{transform:translateY(0) scale(1)}
  4%{transform:translateY(-10px) scale(1.035)}
  8%{transform:translateY(0) scale(1)}
  11%{transform:translateY(-4px) scale(1.015)}
}
.kefu-fab{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 20px 0 17px;border:0;border-radius:999px;
  background:linear-gradient(135deg,var(--brand) 0%,#1F49D8 100%);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:0 12px 28px rgba(51,111,255,.34);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  animation:kefu-hop 6s ease-in-out 2.5s infinite;
  pointer-events:auto;
}
.kefu-fab:hover,.kefu-fab:focus-visible{transform:translateY(-2px);box-shadow:0 16px 34px rgba(51,111,255,.42);animation:none}
.kefu-fab svg{flex-shrink:0}
.kefu[data-open="1"] .kefu-fab{display:none}

.kefu-panel{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 26px 60px rgba(12,68,124,.20);
  opacity:0;visibility:hidden;transform:translateY(12px) scale(.985);transform-origin:100% 100%;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  pointer-events:auto;
}
.kefu[data-open="1"] .kefu-panel{opacity:1;visibility:visible;transform:none}

.kefu-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:16px 18px;background:linear-gradient(135deg,var(--navy) 0%,#14528F 100%);color:#fff}
.kefu-head b{display:block;font-size:16px;letter-spacing:.2px}
.kefu-head span{display:block;margin-top:4px;font-size:12px;color:rgba(255,255,255,.72)}
.kefu-close{width:26px;height:26px;flex-shrink:0;display:grid;place-items:center;border:0;border-radius:8px;background:rgba(255,255,255,.14);color:#fff;font-size:18px;line-height:1;cursor:pointer;transition:background .2s var(--ease)}
.kefu-close:hover{background:rgba(255,255,255,.26)}

.kefu-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line-soft)}
.kefu-tab{position:relative;height:44px;border:0;background:#fff;color:var(--slate);font-size:14px;font-weight:600;cursor:pointer;transition:color .2s var(--ease)}
.kefu-tab.is-on{color:var(--navy)}
.kefu-tab.is-on::after{content:"";position:absolute;left:24%;right:24%;bottom:-1px;height:2px;border-radius:2px;background:var(--brand)}

.kefu-pane{padding:18px}
.kefu-qr{margin:0;text-align:center}
.kefu-qr img{width:176px;height:176px;object-fit:contain;border:1px solid var(--line-soft);border-radius:12px;background:#fff;padding:8px}
.kefu-qr figcaption{margin-top:10px;font-size:13px;color:var(--slate)}
.kefu-contact{display:grid;gap:8px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.kefu-contact a{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:9px;background:var(--bg);transition:background .2s var(--ease)}
.kefu-contact a:hover{background:var(--brand-soft)}
.kefu-contact span{flex-shrink:0;width:2.6em;font-size:12.5px;color:var(--slate-light)}
.kefu-contact b{font-size:14px;font-weight:600;color:var(--navy)}

.kefu-form{display:grid;gap:10px}
.kefu-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kefu-form input[type=text],.kefu-form textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;
  font-size:14px;font-family:inherit;color:var(--ink);line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.kefu-form textarea{resize:vertical;min-height:92px}
.kefu-form input:focus,.kefu-form textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(51,111,255,.12)}
.kefu-form input::placeholder,.kefu-form textarea::placeholder{color:var(--slate-light)}
.kefu-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.kefu-submit{width:100%;height:44px;margin-top:2px}
.kefu-submit[disabled]{opacity:.6;cursor:default;transform:none}
.kefu-note{margin:0;font-size:12px;color:var(--slate-light);line-height:1.6}
.kefu-msg{margin:0;font-size:13px;line-height:1.6;min-height:0}
.kefu-msg.is-ok{color:var(--green-dark)}
.kefu-msg.is-err{color:#C4341F}
/* 停留触发的自动咨询：这句上下文提示只在自动弹出期间显示 */
.kefu-auto-tip{display:none;margin:0;padding:10px 18px;background:#F3F8FD;border-bottom:1px solid var(--line-soft);font-size:12.5px;line-height:1.6;color:var(--navy)}
.kefu[data-open="1"][data-auto="1"] .kefu-auto-tip{display:block}

@media (max-width:768px){
  .kefu{right:14px;bottom:16px;gap:10px}
  .kefu-fab{height:46px;padding:0 16px 0 14px;font-size:14px}
  .kefu-qr img{width:150px;height:150px}
}
@media (prefers-reduced-motion:reduce){
  .kefu-fab,.kefu-panel{transition:none}
  .kefu-fab{animation:none}
}

/* 分页条：产品/案例/新闻/方案列表与搜索通用 */
.qiu-pages{
  display:flex;justify-content:center;align-items:center;gap:8px;
  margin-top:44px;list-style:none;padding:0;
}
.qiu-pages li{display:flex}
.qiu-pages a,.qiu-pages li.current{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 16px;border-radius:10px;
  font-size:14px;font-weight:600;color:#3A506B;
  background:#fff;border:1px solid var(--line);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.qiu-pages a:hover{color:var(--brand);border-color:var(--brand)}
.qiu-pages li.current{background:var(--navy);border-color:var(--navy);color:#fff;cursor:default}
@media (max-width:520px){
  .qiu-pages{gap:6px;margin-top:32px}
  .qiu-pages a,.qiu-pages li.current{min-width:38px;height:38px;padding:0 12px;font-size:13px}
}

/* 站点地图（/c/sitemap.html）：说明条 + 区块卡 + 双列链接（带更新时间） */
.sm-note{display:flex;gap:14px;align-items:flex-start;background:#F0F7FA;border:1px solid #D6E8EF;border-radius:14px;padding:16px 20px}
.sm-note>b{flex:none;font-size:11px;font-weight:800;letter-spacing:.08em;color:#fff;background:var(--brand-dark);border-radius:6px;padding:3px 8px;margin-top:2px}
.sm-note>p{margin:0;font-size:13.5px;line-height:1.72;color:#41586D}
.sm-note a{color:var(--brand-dark);font-weight:600;border-bottom:1px solid rgba(12,68,124,.25)}
.sm-note a:hover{border-bottom-color:var(--brand-dark)}
.sm-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.sm-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px}
.sm-block--wide{grid-column:1/-1}
.sm-block h2{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:16px;margin:0;padding-bottom:13px;border-bottom:1px solid var(--line)}
.sm-block h2 em{font-style:normal;font-size:11.5px;font-weight:700;letter-spacing:.03em;color:var(--brand-dark);background:#EAF4F8;border-radius:20px;padding:3px 9px;white-space:nowrap}
.sm-links{display:grid;gap:0;margin:4px 0 0;padding:0;list-style:none}
.sm-links--2{grid-template-columns:1fr 1fr;column-gap:32px}
.sm-links li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed #E4EBF1}
.sm-links li:last-child{border-bottom:0}
.sm-links a{font-size:14px;line-height:1.55;color:#2A4158}
.sm-links a:hover{color:var(--brand)}
.sm-links time{flex:none;font-size:12px;color:#93A6B8;font-variant-numeric:tabular-nums;white-space:nowrap}
@media (max-width:900px){
  .sm-grid{grid-template-columns:1fr}
  .sm-links--2{grid-template-columns:1fr}
}
@media (max-width:560px){
  .sm-note{padding:14px 16px;gap:10px}
  .sm-block{padding:20px 18px}
  .sm-links a{font-size:13.5px}
  .sm-links li{padding:10px 0}
}

/* ---------------- 产品下拉：「设备 APP」入口 ---------------- */
.dropdown--mega .drop-links .drop-actions{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;padding-left:10px;margin:2px 0 0}
.dropdown--mega .drop-links .drop-actions a.drop-sys{margin:4px 0 6px}
.dropdown--mega .drop-links button.drop-app{
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;min-height:34px;
  margin:4px 0 6px;padding:6px 9px;border:1px solid #D6E4FA;border-radius:8px;
  background:#F3F8FD;color:#0C447C;font-family:inherit;font-size:12.5px;font-weight:700;
  line-height:1.25;letter-spacing:.01em;cursor:pointer;
  transition:background .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.dropdown--mega .drop-links button.drop-app:hover{background:#E6F1FF;border-color:#B5D4F4;transform:translateY(-1px)}
.dropdown--mega .drop-links button.drop-app:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.drop-app .drop-app__ph{display:inline-block;position:relative;flex:none;width:9px;height:14px;border:1.5px solid #0C447C;border-radius:2px}
.drop-app .drop-app__ph::after{content:"";position:absolute;left:2px;right:2px;bottom:1.5px;height:1.5px;background:#0C447C;border-radius:1px}
.drop-app i{font-style:normal;font-size:11px}

/* ---------------- 设备 APP 预览弹窗（全站共用） ---------------- */
.app-modal{
  position:fixed;inset:0;z-index:1000;display:none;
  align-items:center;justify-content:center;padding:24px;
  background:rgba(6,24,44,.62);backdrop-filter:blur(3px);
}
.app-modal[data-open="1"]{display:flex}
.app-modal__panel{
  position:relative;width:100%;max-width:880px;max-height:92vh;overflow:auto;
  background:#fff;border-radius:18px;box-shadow:0 28px 80px rgba(4,20,40,.34);
  padding:26px 30px 20px;
}
.app-modal__close{
  position:absolute;top:18px;right:20px;width:32px;height:32px;
  border:0;border-radius:50%;background:#F3F8FD;color:#5A6B7C;
  font-family:inherit;font-size:20px;line-height:1;cursor:pointer;
}
.app-modal__close:hover{background:#E6F1FF;color:#0C447C}
.app-modal__close:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.app-modal__head{padding-right:44px;margin-bottom:18px}
.app-modal__kicker{
  display:inline-block;margin-bottom:9px;padding:4px 9px;border-radius:5px;
  background:#EBF1FF;color:#2456E8;font-size:11.5px;font-weight:700;letter-spacing:.04em;
}
.app-modal__head h2{margin:0 0 6px;font-size:22px;font-weight:700;line-height:1.35;letter-spacing:.01em;color:#0C447C}
.app-modal__head p{margin:0;font-size:13px;line-height:1.6;color:#5A6B7C}
.app-modal__body{display:grid;grid-template-columns:1.12fr .88fr;gap:30px;align-items:stretch}

.am-gallery{
  display:flex;flex-direction:column;align-items:center;
  background:#F5F9FF;border:1px solid #E9F0F8;border-radius:14px;padding:16px 14px 14px;
}
.am-gallery__label{align-self:flex-start;margin-bottom:6px;font-size:11.5px;font-weight:700;letter-spacing:.03em;color:#8496A6}
.am-gallery__stage{flex:1;display:flex;align-items:center;justify-content:center;width:100%;min-height:330px}
.am-gallery__stage img{display:block;width:212px;height:auto;max-height:390px;object-fit:contain}
.am-tabs{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:10px}
.am-tab{
  padding:6px 10px;border:1px solid #DCE7F4;border-radius:7px;
  background:#fff;color:#5A6B7C;font-family:inherit;font-size:12px;line-height:1.3;cursor:pointer;
  transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.am-tab:hover{border-color:#B5D4F4;color:#0C447C}
.am-tab.is-on{background:#0C447C;border-color:#0C447C;color:#fff;font-weight:600}
.am-tab:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.am-gallery__cap{margin:9px 0 0;font-size:12px;line-height:1.5;color:#8496A6;text-align:center}

.am-qr{display:flex;flex-direction:column;justify-content:center}
.am-qr__card{
  width:186px;height:186px;margin:0 auto 16px;padding:9px;
  background:#fff;border:1px solid #E2E9F1;border-radius:14px;box-shadow:0 6px 20px rgba(12,68,124,.09);
}
.am-qr__card img{display:block;width:100%;height:100%;object-fit:contain}
.am-qr h3{margin:0 0 8px;font-size:17px;font-weight:700;line-height:1.4;color:#0C447C;text-align:center}
.am-qr__tip{max-width:250px;margin:0 auto 14px;font-size:13px;line-height:1.75;color:#5A6B7C;text-align:center}
.am-qr__note{margin:0 0 16px;padding:10px 12px;border-left:3px solid #00B4D8;border-radius:0 8px 8px 0;background:#F3F8FD;font-size:12px;line-height:1.7;color:#5A6B7C}
.am-qr__note b{color:#0C447C;font-weight:600}
.am-cta{
  display:block;padding:11px 16px;border-radius:9px;
  background:linear-gradient(135deg,#336FFF,#00B4D8);color:#fff;
  font-size:13.5px;font-weight:700;line-height:1.4;text-align:center;text-decoration:none;
}
.am-cta:hover{color:#fff;opacity:.92}
.am-cta:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
/* 移动端弹窗内容较长，滚到底部时给一个明确的关闭入口 */
.am-qr__close{display:none}
.app-modal__foot{margin-top:18px;padding-top:12px;border-top:1px solid #EEF3F8;font-size:11.5px;line-height:1.5;color:#8496A6;text-align:center}

@media (max-width:760px){
  .app-modal{padding:14px}
  .app-modal__panel{max-height:94vh;padding:22px 18px 16px;border-radius:14px}
  .app-modal__head h2{font-size:19px}
  .app-modal__body{grid-template-columns:1fr;gap:18px}
  .am-gallery__stage{min-height:250px}
  .am-gallery__stage img{width:174px;max-height:310px}
  .am-qr__card{width:148px;height:148px;margin-bottom:12px}
  .am-qr h3{font-size:16px}
  .am-qr__close{
    display:block;width:100%;margin-top:10px;padding:9px 16px;
    border:1px solid #DCE7F4;border-radius:9px;background:#fff;
    color:#5A6B7C;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;
  }
  .am-qr__close:hover{background:#F3F8FD;color:#0C447C}
  .am-qr__close:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
}
@media (max-width:900px){
  .dropdown--mega .drop-links .drop-actions{padding-left:10px}
}
@media (prefers-reduced-motion:reduce){
  .dropdown--mega .drop-links button.drop-app,.am-tab,.am-cta{transition:none}
}