/* =========================================================
   芯火通信 XINHUO · 融合通信与应急指挥调度
   设计系统：蓝白主题 / 圆角描边标签 / 浅色企业科技风
   ========================================================= */

:root{
  --blue-900:#062a5e;
  --blue-800:#0b3f86;
  --blue-700:#0d55b5;
  --blue-600:#1668dc;
  --blue-500:#2f86f6;
  --blue-200:#bcd8fb;
  --blue-100:#dbe9fd;
  --blue-50:#eff6ff;
  --cyan:#0fb6c9;
  --cyan-soft:#e4f8fb;
  --flame:#ff6a2b;
  --flame-soft:#fff0e8;

  --ink:#0d2340;
  --ink-2:#3a4f6a;
  --muted:#7186a1;
  --line:#e4ecf7;
  --line-2:#cfe1f7;

  --bg:#ffffff;
  --bg-soft:#f6f9fe;
  --bg-deep:#062a5e;

  --radius-lg:20px;
  --radius:14px;
  --radius-sm:9px;

  --shadow-xs:0 1px 3px rgba(13,67,140,.06);
  --shadow-sm:0 4px 14px rgba(13,67,140,.07);
  --shadow:0 12px 34px rgba(13,67,140,.10);
  --shadow-lg:0 28px 70px rgba(13,67,140,.16);

  --max:1200px;
  --header-h:72px;

  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

/* ---------- 布局 ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tight{padding:64px 0;}
.grid{display:grid;gap:22px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.g5{grid-template-columns:repeat(5,1fr);}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split--wide{grid-template-columns:1.05fr .95fr;}

/* ---------- 章节标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;
  border:1px solid var(--line-2);
  border-radius:999px;
  background:#fff;
  color:var(--blue-700);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
  box-shadow:var(--shadow-xs);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:block;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{margin-bottom:16px;}
.section-title{font-size:33px;margin:16px 0 14px;color:var(--ink);}
.section-title em{font-style:normal;color:var(--blue-600);}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 26px;border-radius:999px;
  font-size:14.5px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:.22s ease;white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none;}
.btn-primary{background:linear-gradient(135deg,var(--blue-600),var(--blue-700));color:#fff;box-shadow:0 8px 22px rgba(22,104,220,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(22,104,220,.34);}
.btn-ghost{background:#fff;color:var(--blue-700);border-color:var(--line-2);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{border-color:var(--blue-500);color:var(--blue-600);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--blue-700);}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.42);}
.btn-outline-light:hover{background:rgba(255,255,255,.20);}
.btn-sm{padding:9px 18px;font-size:13.5px;}

/* ---------- 头部导航 ---------- */
.topbar{
  background:linear-gradient(90deg,var(--blue-900),var(--blue-700));
  color:rgba(255,255,255,.86);font-size:12.5px;letter-spacing:.02em;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px;}
.topbar .tb-left{display:flex;align-items:center;gap:8px;}
.topbar .tb-left svg{width:14px;height:14px;opacity:.85;}
.topbar .tb-right{display:flex;align-items:center;gap:20px;}
.topbar a:hover{color:#fff;}
.topbar b{color:#fff;font-weight:600;letter-spacing:.06em;}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.navbar{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:20px;}
.brand{display:flex;align-items:center;gap:11px;flex:none;}
.brand-mark{width:40px;height:40px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:18.5px;letter-spacing:.10em;color:var(--ink);font-weight:800;}
.brand-text span{font-size:10.5px;letter-spacing:.22em;color:var(--muted);font-weight:600;}

.nav{display:flex;align-items:center;gap:2px;}
.nav a{
  padding:9px 15px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:500;color:var(--ink-2);transition:.2s;
}
.nav a:hover{color:var(--blue-600);background:var(--blue-50);}
.nav a.active{color:var(--blue-700);font-weight:600;}
.nav a.active::after{content:"";display:block;height:2px;border-radius:2px;background:var(--blue-600);margin-top:5px;}
.nav-cta{display:flex;align-items:center;gap:12px;flex:none;}
.nav-tel{font-size:13.5px;color:var(--ink-2);}
.nav-tel b{color:var(--blue-700);font-size:15px;letter-spacing:.02em;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 520px at 82% -8%,rgba(47,134,246,.16),transparent 62%),
    radial-gradient(760px 420px at 6% 106%,rgba(15,182,201,.13),transparent 60%),
    linear-gradient(180deg,#fbfdff,#f2f7ff);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(22,104,220,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(22,104,220,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(900px 460px at 60% 30%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(900px 460px at 60% 30%,#000,transparent 78%);
  pointer-events:none;
}
.hero .wrap{position:relative;z-index:2;padding-top:74px;padding-bottom:78px;}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;}
.hero h1{font-size:46px;line-height:1.22;margin:20px 0 20px;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--blue-600),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:16.5px;color:var(--ink-2);line-height:1.9;max-width:560px;}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero-points span{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line-2);font-size:13px;color:var(--ink-2);box-shadow:var(--shadow-xs);
}
.hero-points span i{width:6px;height:6px;border-radius:50%;background:var(--blue-500);display:block;}

.hero-visual{position:relative;}
.hero-visual .frame{
  background:#fff;border:1px solid var(--line-2);border-radius:22px;padding:18px;
  box-shadow:var(--shadow-lg);
}
.hero-visual .frame-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding:0 4px;}
.hero-visual .frame-top b{font-size:13px;color:var(--ink);letter-spacing:.04em;}
.hero-visual .dots{display:flex;gap:5px;}
.hero-visual .dots i{width:8px;height:8px;border-radius:50%;background:var(--line-2);display:block;}
.hero-visual .dots i:first-child{background:var(--blue-500);}

/* 统计条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;border-top:1px solid var(--line);padding-top:26px;}
.stats > div{padding-right:22px;border-right:1px solid var(--line);}
.stats > div:last-child{border-right:0;}
.stat-num{font-size:30px;font-weight:800;color:var(--blue-700);letter-spacing:-.02em;line-height:1.1;}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- 能力横条 ---------- */
.capbar{background:#fff;border-bottom:1px solid var(--line);}
.capbar .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;padding-top:26px;padding-bottom:26px;}
.capbar .cap{display:flex;align-items:center;gap:12px;}
.capbar .cap .ci{
  width:42px;height:42px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--blue-50);border:1px solid var(--blue-100);color:var(--blue-600);
}
.capbar .cap .ci svg{width:21px;height:21px;}
.capbar .cap b{display:block;font-size:14.5px;color:var(--ink);}
.capbar .cap p{font-size:12.5px;color:var(--muted);line-height:1.5;}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:.25s ease;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);}
.card-icon{
  width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--blue-50),var(--blue-100));border:1px solid var(--blue-100);
  color:var(--blue-600);margin-bottom:18px;
}
.card-icon svg{width:24px;height:24px;}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14px;line-height:1.8;}
.card .card-list{margin-top:14px;display:flex;flex-direction:column;gap:7px;}
.card .card-list li{font-size:13.5px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;}
.card .card-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);margin-top:8px;flex:none;}
.card-num{
  position:absolute;right:20px;top:16px;font-size:38px;font-weight:800;letter-spacing:-.04em;
  color:var(--blue-50);line-height:1;user-select:none;
}

/* 产品卡（带编号 01/02） */
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0;
  transition:.25s ease;display:flex;flex-direction:column;overflow:hidden;
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);}
.pcard .pshot{background:linear-gradient(160deg,#eef4fd,#e2edfc);border-bottom:1px solid var(--line);overflow:hidden;}
.pcard .pshot img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top center;display:block;transition:transform .5s ease;}
.pcard:hover .pshot img{transform:scale(1.03);}
.pcard .pbody{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.pcard .pnum{font-size:13px;font-weight:800;color:var(--blue-500);letter-spacing:.16em;}
.pcard h3{font-size:17px;margin:12px 0 10px;}
.pcard p{font-size:13.5px;color:var(--muted);line-height:1.8;flex:1;}
.pcard .plink{margin-top:18px;font-size:13.5px;font-weight:600;color:var(--blue-600);display:inline-flex;align-items:center;gap:6px;}
.pcard .plink svg{width:14px;height:14px;transition:.2s;}
.pcard:hover .plink svg{transform:translateX(4px);}

/* ---------- 痛点列表 ---------- */
.pain{display:flex;gap:16px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.24s;}
.pain:hover{border-color:var(--line-2);box-shadow:var(--shadow-sm);}
.pain .pn{
  width:38px;height:38px;flex:none;border-radius:11px;background:var(--flame-soft);
  color:var(--flame);display:flex;align-items:center;justify-content:center;
}
.pain .pn svg{width:19px;height:19px;}
.pain b{display:block;font-size:15.5px;margin-bottom:6px;}
.pain p{font-size:13.5px;color:var(--muted);line-height:1.78;}

/* ---------- 架构图 ---------- */
.arch{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
}
.arch-row{
  display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:stretch;
  padding:14px 0;border-bottom:1px dashed var(--line);
}
.arch-row:last-child{border-bottom:0;}
.arch-layer{
  border-radius:var(--radius-sm);display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:12px 6px;font-size:13.5px;font-weight:700;color:#fff;text-align:center;line-height:1.4;
}
.arch-layer span{display:block;font-size:10.5px;font-weight:500;opacity:.85;letter-spacing:.06em;margin-top:2px;}
.l-app{background:linear-gradient(140deg,#1668dc,#0d55b5);}
.l-plat{background:linear-gradient(140deg,#2f86f6,#1668dc);}
.l-data{background:linear-gradient(140deg,#0fb6c9,#0a93a3);}
.l-term{background:linear-gradient(140deg,#5aa2f8,#2f86f6);}
.arch-items{display:flex;flex-wrap:wrap;gap:8px;align-content:center;}
.arch-items span{
  font-size:12.5px;color:var(--ink-2);background:var(--bg-soft);border:1px solid var(--line);
  padding:6px 12px;border-radius:8px;
}

/* ---------- 功能条 ---------- */
.feat{display:flex;gap:14px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.24s;}
.feat:hover{border-color:var(--blue-200);box-shadow:var(--shadow-sm);transform:translateY(-3px);}
.feat .fi{width:40px;height:40px;flex:none;border-radius:12px;background:var(--blue-50);border:1px solid var(--blue-100);color:var(--blue-600);display:flex;align-items:center;justify-content:center;}
.feat .fi svg{width:20px;height:20px;}
.feat b{font-size:15px;display:block;margin-bottom:5px;}
.feat p{font-size:13px;color:var(--muted);line-height:1.75;}

/* ---------- 对接能力（标签云） ---------- */
.chips{display:flex;flex-wrap:wrap;gap:9px;}
.chips span{
  font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line-2);
  padding:7px 14px;border-radius:999px;transition:.2s;
}
.chips span:hover{border-color:var(--blue-500);color:var(--blue-700);background:var(--blue-50);}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.tbl th,.tbl td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.tbl thead th{background:var(--blue-50);color:var(--blue-800);font-size:13.5px;font-weight:700;letter-spacing:.02em;}
.tbl tbody tr:last-child td{border-bottom:0;}
.tbl tbody tr:hover{background:#fbfdff;}
.tbl td b{color:var(--ink);}
.tbl td span{color:var(--muted);}

/* ---------- 场景卡（顶部实景图版式） ---------- */
.scene{
  border-radius:var(--radius);border:1px solid var(--line);background:#fff;padding:0;
  display:flex;flex-direction:column;transition:.24s;overflow:hidden;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);}
.scene .simg{position:relative;height:168px;flex:none;overflow:hidden;background:var(--bg-soft);}
.scene .simg img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
.scene:hover .simg img{transform:scale(1.05);}
.scene .simg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,28,54,0) 42%,rgba(8,28,54,.42));}
.scene .si{
  position:absolute;left:16px;bottom:12px;z-index:2;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.6);color:var(--blue-600);
  display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(8,28,54,.22);backdrop-filter:blur(4px);
}
.scene .si svg{width:20px;height:20px;}
.scene .sbody{padding:18px 22px 22px;display:flex;flex-direction:column;gap:11px;flex:1;}
.scene b{font-size:16.5px;}
.scene p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.scene .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;}
.scene .tags i{font-style:normal;font-size:12px;color:var(--blue-700);background:var(--blue-50);border:1px solid var(--blue-100);padding:3px 10px;border-radius:999px;}

/* ---------- 案例 ---------- */
.case{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:24px 22px;transition:.24s;display:flex;flex-direction:column;gap:12px;}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);}
.case .ctag{font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--cyan);background:var(--cyan-soft);border:1px solid #c6eef3;padding:3px 10px;border-radius:999px;align-self:flex-start;}
.case h3{font-size:16.5px;}
.case p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.case .cmetric{margin-top:auto;display:flex;flex-wrap:wrap;gap:6px;}
.case .cmetric i{font-style:normal;font-size:12px;color:var(--ink-2);background:var(--bg-soft);border:1px solid var(--line);padding:4px 10px;border-radius:8px;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--blue-500),var(--cyan));border-radius:2px;}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-26px;top:5px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--blue-500);}
.tl-item b{font-size:15.5px;display:block;}
.tl-item .tl-time{font-size:12.5px;color:var(--blue-600);font-weight:700;letter-spacing:.06em;margin-bottom:4px;display:block;}
.tl-item p{font-size:13.5px;color:var(--muted);line-height:1.78;margin-top:4px;}

/* ---------- 表格卡（服务保障） ---------- */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.svc-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px 20px;}
.svc-item .sv-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.svc-item .sv-top svg{width:19px;height:19px;color:var(--blue-600);flex:none;}
.svc-item b{font-size:15px;}
.svc-item p{font-size:13.5px;color:var(--muted);line-height:1.78;}
.svc-item .hl{color:var(--blue-700);font-weight:700;}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:24px;color:#fff;
  background:
    radial-gradient(800px 380px at 88% 0%,rgba(15,182,201,.42),transparent 62%),
    linear-gradient(120deg,#0b3f86,#1668dc 58%,#1f7ae8);
  padding:52px 48px;display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.cta > *{position:relative;z-index:2;}
.cta h2{font-size:29px;color:#fff;margin-bottom:14px;}
.cta p{color:rgba(255,255,255,.86);font-size:15px;line-height:1.9;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.cta-info{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-info div{display:flex;align-items:center;gap:9px;}
.cta-info svg{width:16px;height:16px;opacity:.9;flex:none;}

/* ---------- 页头（内页） ---------- */
.pagehead{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#fbfdff,#f1f7ff);
  border-bottom:1px solid var(--line);
  padding:52px 0 48px;
}
.pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(22,104,220,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(22,104,220,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(700px 300px at 78% 40%,#000,transparent 76%);
  -webkit-mask-image:radial-gradient(700px 300px at 78% 40%,#000,transparent 76%);
}
.pagehead .wrap{position:relative;z-index:2;}
.crumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.crumb a:hover{color:var(--blue-600);}
.crumb i{font-style:normal;color:var(--line-2);}
.pagehead h1{font-size:36px;margin-bottom:16px;}
.pagehead .lead{color:var(--ink-2);font-size:16px;line-height:1.9;max-width:820px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#062a5e;color:rgba(255,255,255,.72);padding:56px 0 0;font-size:13.5px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px;}
.foot-brand .brand-text b{color:#fff;}
.foot-brand .brand-text span{color:rgba(255,255,255,.5);}
.foot-brand p{margin-top:16px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px;}
.foot-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a:hover{color:#fff;}
.foot-col .fi{display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.foot-col .fi svg{width:15px;height:15px;margin-top:4px;flex:none;opacity:.7;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.5);}
.foot-bottom .fb-links{display:flex;gap:18px;}
.foot-bottom a:hover{color:#fff;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.22,.7,.3,1),transform .7s cubic-bezier(.22,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

@keyframes dash{to{stroke-dashoffset:-40;}}
.flow-line{stroke-dasharray:6 8;animation:dash 2.2s linear infinite;}
@keyframes pulseNode{0%,100%{opacity:.30;transform:scale(1);}50%{opacity:.05;transform:scale(1.22);}}
.node-pulse{transform-box:fill-box;transform-origin:center;animation:pulseNode 3.4s ease-in-out infinite;}

/* ---------- 提示条 ---------- */
.note{
  display:flex;gap:12px;padding:16px 20px;border-radius:var(--radius);
  background:var(--blue-50);border:1px solid var(--blue-100);font-size:13.5px;color:var(--ink-2);line-height:1.8;
}
.note svg{width:18px;height:18px;color:var(--blue-600);flex:none;margin-top:3px;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero h1{font-size:38px;}
  .section-title{font-size:28px;}
  .g5,.g4{grid-template-columns:repeat(2,1fr);}
  .capbar .wrap{grid-template-columns:repeat(3,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .cta{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:920px){
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid,.split,.split--wide{grid-template-columns:1fr;gap:36px;}
  .hero .wrap{padding-top:48px;padding-bottom:56px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px 0;}
  .stats > div:nth-child(2){border-right:0;}
  .stats > div:nth-child(1),.stats > div:nth-child(2){padding-bottom:16px;}
  .g3{grid-template-columns:repeat(2,1fr);}
  .svc{grid-template-columns:1fr;}
  .arch-row{grid-template-columns:1fr;gap:10px;}
  .arch-layer{flex-direction:row;gap:8px;justify-content:center;}
  .arch-layer span{margin-top:0;}
  .section{padding:60px 0;}
  .pagehead h1{font-size:28px;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .g2,.g3,.g4,.g5,.capbar .wrap{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;gap:0;}
  .stats > div{border-right:0;border-bottom:1px solid var(--line);padding:16px 0;}
  .hero h1{font-size:30px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{justify-content:center;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .tbl{font-size:13px;}
  .tbl th,.tbl td{padding:10px 12px;}
}

/* 移动端抽屉菜单 */
.drawer{
  display:none;position:fixed;inset:var(--header-h) 0 0;z-index:55;background:#fff;
  padding:22px;overflow-y:auto;border-top:1px solid var(--line);
}
.drawer.open{display:block;}
.drawer a{display:block;padding:14px 6px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);font-weight:500;}
.drawer a.active{color:var(--blue-600);font-weight:700;}
.drawer .btn{margin-top:22px;width:100%;justify-content:center;}

/* ---------- 分类切换 ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.tab{
  padding:10px 22px;border-radius:999px;border:1px solid var(--line-2);background:#fff;
  color:var(--ink-2);font-size:14px;font-weight:600;cursor:pointer;transition:.2s;
}
.tab:hover{border-color:var(--blue-500);color:var(--blue-600);}
.tab.on{background:linear-gradient(135deg,var(--blue-600),var(--blue-700));border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(22,104,220,.24);}

/* ---------- 产品卡（图形式） ---------- */
.prod{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px 20px;
  transition:.24s;display:flex;flex-direction:column;gap:14px;
}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);}
.prod .thumb{
  height:126px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#f2f7ff,#e6f1ff);border:1px solid var(--blue-100);color:var(--blue-600);
}
.prod .thumb svg{width:52px;height:52px;}
.prod b{font-size:15.5px;color:var(--ink);line-height:1.5;}
.prod p{font-size:13px;color:var(--muted);line-height:1.75;}
.prod .pk{font-size:11.5px;color:var(--blue-600);font-weight:700;letter-spacing:.06em;}

/* ---------- 表单 ---------- */
.form{display:grid;gap:16px;}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:11px;
  font-family:inherit;font-size:14px;color:var(--ink);background:#fff;transition:.2s;outline:none;
}
.field textarea{min-height:118px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(47,134,246,.14);}
.form-tip{display:none;font-size:13.5px;color:var(--blue-700);background:var(--blue-50);border:1px solid var(--blue-100);padding:12px 16px;border-radius:11px;line-height:1.7;}

/* ---------- 联系信息块 ---------- */
.cinfo{display:flex;gap:14px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.22s;}
.cinfo:hover{border-color:var(--line-2);box-shadow:var(--shadow-sm);}
.cinfo .ci2{width:42px;height:42px;flex:none;border-radius:12px;background:var(--blue-50);border:1px solid var(--blue-100);color:var(--blue-600);display:flex;align-items:center;justify-content:center;}
.cinfo .ci2 svg{width:20px;height:20px;}
.cinfo b{font-size:14.5px;display:block;margin-bottom:4px;}
.cinfo p{font-size:13.5px;color:var(--muted);line-height:1.75;}

@media (max-width:640px){ .form .row2{grid-template-columns:1fr;} }

/* ---------- 图片型 Logo 与产品图 ---------- */
.brand-mark-img{width:40px;height:40px;flex:none;display:block;}
.foot-brand .brand-mark-img{opacity:.95;}
.prod .thumb img{width:100%;height:100%;object-fit:contain;}
.prod--photo .thumb{background:#fff;border-color:var(--line);padding:10px;}

/* ---------- 长描述产品卡：两行截断 + 悬停浮层 ---------- */
.prod{position:relative;}
.prod:hover{z-index:40;}
.prod--long > p{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;text-overflow:ellipsis;
}
.prod--long .pk{margin-top:auto;}
.prod .ptip{
  position:absolute;left:50%;bottom:100%;width:396px;max-width:80vw;
  transform:translate(-50%,-4px);
  background:#fff;border:1px solid var(--line-2);border-radius:14px;
  padding:15px 17px 16px;box-shadow:0 20px 46px rgba(9,36,79,.18);
  opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s ease,visibility .2s;
  pointer-events:none;z-index:60;
}
.prod .ptip::after{
  content:"";position:absolute;left:50%;bottom:-7px;width:12px;height:12px;
  margin-left:-6px;background:#fff;border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
  transform:rotate(45deg);
}
.prod .ptip .ptip-t{
  display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px;
  padding-bottom:7px;border-bottom:1px solid var(--line);
}
.prod .ptip p{display:block;-webkit-line-clamp:unset;font-size:12.5px;line-height:1.85;color:var(--muted);margin:0;overflow:visible;}
.prod:hover .ptip{opacity:1;visibility:visible;transform:translate(-50%,-12px);}

/* ---------- 页头导语单行 / 表单错误态 ---------- */
.lead--one{max-width:none;white-space:nowrap;}
@media (max-width:1280px){ .lead--one{font-size:15px;} }
@media (max-width:1100px){ .lead--one{font-size:14px;} }
@media (max-width:960px){ .lead--one{font-size:13px;} }
@media (max-width:768px){ .lead--one{font-size:12.5px;overflow-x:auto;padding-bottom:2px;} }
.form-tip.err{color:#b42318;background:#fef2f2;border-color:#fecaca;}
.form button[type="submit"][disabled]{opacity:.6;cursor:not-allowed;}

/* ---------- 核心产品轮播 ---------- */
.carousel{--gap:22px;--pv:4;position:relative;}
@media (max-width:1180px){ .carousel{--pv:3;} }
@media (max-width:860px){ .carousel{--pv:2;} }
@media (max-width:560px){ .carousel{--pv:1;} }

.car-viewport{overflow:hidden;padding:12px 6px 18px;margin:-12px -6px -18px;}
.car-track{
  display:flex;gap:var(--gap);
  transition:transform .55s cubic-bezier(.22,.61,.36,1);will-change:transform;
}
.car-slide{flex:0 0 calc((100% - var(--gap) * (var(--pv) - 1)) / var(--pv));min-width:0;}

.pitem{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px 16px;display:flex;flex-direction:column;gap:12px;transition:.24s;
}
.pitem:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2);}
.pitem-img{
  height:132px;border-radius:11px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;padding:9px;overflow:hidden;
}
.pitem-img img{max-width:100%;max-height:100%;object-fit:contain;display:block;}
.pitem b{font-size:14.5px;line-height:1.5;color:var(--ink);font-weight:600;}
.pitem-key{
  margin-top:auto;font-size:11.5px;font-weight:700;letter-spacing:.06em;color:var(--blue-600);
}

.car-btn{
  position:absolute;top:50%;margin-top:-24px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-2);background:#fff;color:var(--blue-700);cursor:pointer;
  display:flex;align-items:center;justify-content:center;z-index:5;
  box-shadow:0 8px 22px rgba(9,36,79,.12);transition:.2s;
}
.car-btn svg{width:20px;height:20px;}
.car-btn:hover{background:var(--blue-600);color:#fff;border-color:transparent;box-shadow:0 10px 26px rgba(22,104,220,.3);}
.car-btn[disabled]{opacity:.35;cursor:default;box-shadow:none;}
.car-prev{left:-22px;}
.car-next{right:-22px;}

.car-dots{display:flex;justify-content:center;gap:9px;margin-top:26px;}
.car-dots i{
  width:9px;height:9px;border-radius:50%;background:#c9d8ee;cursor:pointer;transition:.22s;
}
.car-dots i.on{width:26px;border-radius:999px;background:var(--blue-600);}

@media (max-width:1180px){
  .car-prev{left:-14px;} .car-next{right:-14px;}
}
@media (max-width:860px){
  .car-btn{width:38px;height:38px;margin-top:-19px;}
  .car-prev{left:-8px;} .car-next{right:-8px;}
}

/* ---------- 照片型产品卡（cover 填充） ---------- */
.prod--cover .thumb{padding:0;background:#fff;}
.prod--cover .thumb img{width:100%;height:100%;object-fit:cover;}

/* =========================================================
   SEO 区块：热门搜索关键词 / 常见问题 FAQ / 网站地图
   ========================================================= */
.kwseo{
  background:var(--bg-soft);border-top:1px solid var(--line);
  padding:56px 0 48px;
}
.kwseo-head{max-width:820px;margin:0 auto 30px;text-align:center;}
.kwseo-head h2{
  font-size:22px;color:var(--ink);margin:0 0 10px;font-weight:700;letter-spacing:.01em;
}
.kwseo-head p{color:var(--muted);font-size:14px;line-height:1.8;margin:0;}
.kwseo-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.kwgrp{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px 16px;box-shadow:var(--shadow-xs);
}
.kwgrp h3{
  font-size:13.5px;color:var(--blue-700);font-weight:700;margin:0 0 12px;
  padding-left:10px;position:relative;letter-spacing:.02em;
}
.kwgrp h3:before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:13px;border-radius:2px;background:var(--blue-600);
}
.kwlinks{display:flex;flex-wrap:wrap;gap:6px;margin:0;}
.kwlinks a{
  font-size:12.5px;line-height:1;color:var(--ink-2);background:var(--blue-50);
  border:1px solid var(--line-2);border-radius:999px;padding:7px 11px;
  transition:.18s;white-space:nowrap;
}
.kwlinks a:hover{background:var(--blue-600);border-color:var(--blue-600);color:#fff;}
.kwseo-areas{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-top:18px;border-top:1px dashed var(--line-2);
}
.kwseo-areas b{font-size:12.5px;color:var(--muted);font-weight:700;margin-right:2px;}
.kwseo-areas span{
  font-size:12px;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:4px 9px;
}
.kwseo-note{
  margin:18px 0 0;text-align:center;font-size:12.5px;color:var(--muted);line-height:1.9;
}
@media (max-width:1000px){ .kwseo-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){
  .kwseo{padding:42px 0 36px;}
  .kwseo-grid{grid-template-columns:1fr;gap:14px;}
}

/* ---------- 常见问题 ---------- */
.faq{max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:.2s;box-shadow:var(--shadow-xs);
}
.faq-item[open]{border-color:var(--blue-200);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 52px 17px 20px;position:relative;
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.7;
  display:flex;align-items:flex-start;gap:10px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary span{
  flex:0 0 auto;width:20px;height:20px;border-radius:5px;background:var(--blue-50);
  color:var(--blue-600);font-size:11.5px;font-weight:800;line-height:20px;
  text-align:center;margin-top:2px;
}
.faq-item summary:after{
  content:"";position:absolute;right:22px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--blue-600);border-bottom:2px solid var(--blue-600);
  transform:translateY(-70%) rotate(45deg);transition:.22s;
}
.faq-item[open] summary:after{transform:translateY(-30%) rotate(-135deg);}
.faq-a{
  padding:2px 22px 20px 50px;font-size:14.5px;line-height:1.95;color:var(--ink-2);
  border-top:1px solid var(--line);
  margin-top:-1px;padding-top:16px;
}
@media (max-width:640px){
  .faq-item summary{font-size:14px;padding:14px 44px 14px 16px;}
  .faq-a{padding:14px 18px 18px;font-size:13.8px;}
}

/* ---------- 网站地图页 ---------- */
.smp-pages{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:38px;}
.smp-row{
  display:flex;flex-direction:column;gap:5px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 18px;transition:.2s;box-shadow:var(--shadow-xs);
}
.smp-row:hover{border-color:var(--blue-200);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.smp-row b{font-size:15px;color:var(--blue-700);}
.smp-row span{font-size:13px;color:var(--muted);line-height:1.7;}
.smp-grp{margin-bottom:32px;}
.smp-grp h3{
  font-size:17.5px;color:var(--ink);margin:0 0 16px;padding-left:12px;position:relative;
}
.smp-grp h3:before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:16px;border-radius:2px;background:var(--blue-600);
}
.smp-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.smp-list li{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;
  padding:12px 15px;display:flex;flex-direction:column;gap:4px;
}
.smp-list li a{font-size:14px;font-weight:600;color:var(--blue-700);}
.smp-list li a:hover{color:var(--blue-600);text-decoration:underline;}
.smp-list li span{font-size:12.5px;color:var(--muted);line-height:1.7;}
@media (max-width:820px){
  .smp-pages{grid-template-columns:1fr;}
  .smp-list{grid-template-columns:1fr;}
}

/* ---------- 页脚版权 + 备案号 ---------- */
.foot-bottom .fb-left{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.foot-bottom .icp{
  color:rgba(255,255,255,.5);transition:color .18s;text-decoration:none;
  margin-left:14px;padding-left:14px;border-left:1px solid rgba(255,255,255,.16);
}
.foot-bottom .icp:hover{color:#fff;text-decoration:underline;}
@media (max-width:640px){
  .foot-bottom{gap:10px;}
  .foot-bottom .fb-left{gap:6px 0;}
}

/* ---------- 核心产品轮播：两行（上行平台/桌面 · 下行现场/具身智能） ---------- */
.car-slide{
  flex:0 0 calc((100% - var(--gap) * (var(--pv) - 1)) / var(--pv));
  min-width:0;display:flex;flex-direction:column;gap:14px;
}
.car-slide .pitem{flex:0 0 auto;height:auto;padding:14px 14px 13px;gap:10px;}
.car-slide .pitem-img{height:112px;padding:8px;}
.car-slide .pitem b{
  font-size:13.5px;line-height:1.45;min-height:21px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.car-slide .pitem-key{font-size:11px;}
@media (max-width:860px){
  .car-slide .pitem-img{height:126px;}
}
@media (max-width:560px){
  .car-slide .pitem-img{height:168px;}
  .car-slide .pitem b{font-size:14px;min-height:0;}
}