/* ============================================================
   铭商互联官网 · 设计系统 v3（2026 科技风 · 深空蓝渐变）
   纯 CSS，零依赖；所有页面共用
   ============================================================ */
:root{
  --bg:#06080F;
  --bg-2:#080C16;
  --bg-3:#0B1120;
  --card:rgba(255,255,255,.032);
  --card-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.085);
  --line-2:rgba(255,255,255,.05);
  --ink:#EDF1F9;
  --ink-2:#A3B0C6;
  --ink-3:#6B778D;
  --blue:var(--accent);
  --cyan:var(--accent-2);
  --violet:#8B5CF6;
  --accent:#4C8DFF;
  --accent-2:#22D3EE;
  --grad:linear-gradient(115deg,#5B9BFF 0%,#3AC9F0 52%,#9B7BFF 100%);
  --grad-btn:linear-gradient(135deg,var(--accent),var(--accent-2));
  --glow:0 18px 46px -18px var(--accent-a45,rgba(76,141,255,.55));
  --r:18px; --r-sm:12px; --r-lg:26px;
  --wrap:1180px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --nav-h:70px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{display:block}
::selection{background:rgba(76,141,255,.35);color:#fff}

/* 全局背景：深空 + 极光 + 网格 */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 620px at 80% -12%,rgba(76,141,255,.22),transparent 62%),
    radial-gradient(720px 520px at 4% 4%,rgba(139,92,246,.16),transparent 62%),
    radial-gradient(760px 560px at 50% 108%,rgba(34,211,238,.10),transparent 65%),
    var(--bg);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* ---------------- 顶部导航 ---------------- */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,backdrop-filter .3s;
}
.hdr.scrolled{
  background:rgba(6,8,15,.78);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom-color:var(--line-2);
}
.hdr-in{height:100%;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{height:34px;width:auto;flex:0 0 auto;display:block}
.logo-txt{display:flex;flex-direction:column;line-height:1.1}
.logo-txt b{font-size:17px;font-weight:800;letter-spacing:.02em}
.logo-txt span{font-size:9.5px;letter-spacing:.26em;color:var(--ink-3);font-family:var(--mono);margin-top:3px}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-links a.link{
  padding:9px 14px;border-radius:9px;font-size:14.5px;color:var(--ink-2);
  transition:color .2s,background .2s;
}
.nav-links a.link:hover,.nav-links a.link.active{color:var(--ink);background:rgba(255,255,255,.06)}
.nav-sep{width:1px;height:18px;background:var(--line);margin:0 10px}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line)}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;
  font-size:14.5px;font-weight:650;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 50px -18px rgba(76,141,255,.75)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:rgba(255,255,255,.02)}
.btn-ghost:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:10px}
.btn-lg{height:52px;padding:0 28px;font-size:15.5px;border-radius:14px}
.btn-block{width:100%}

/* ---------------- 通用区块 ---------------- */
.sec{padding:96px 0;position:relative}
.sec.tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:#8FBBFF;padding:6px 12px;border-radius:999px;
  background:rgba(76,141,255,.10);border:1px solid rgba(76,141,255,.22);
}
.kicker::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.sec-head h2{font-size:clamp(26px,3.2vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.25;margin:18px 0 12px}
.sec-head p{font-size:15.5px;color:var(--ink-2);max-width:640px}
.sec-head.center p{margin:0 auto}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase}
/* ---------------- 首屏 Hero ---------------- */
.hero{padding:calc(var(--nav-h) + 74px) 0 88px;position:relative;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
.hero h1{
  font-size:clamp(38px,4.9vw,64px);line-height:1.1;letter-spacing:-.035em;
  font-weight:850;margin:20px 0 20px;
}
.hero .lead{font-size:16.5px;color:var(--ink-2);max-width:520px;line-height:1.85}
.hero .firm{
  display:flex;align-items:center;gap:10px;margin-top:26px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;color:var(--ink-3);
}
.hero .firm::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--blue),transparent)}
.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero-meta{display:flex;gap:38px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line-2);flex-wrap:wrap}
.hero-meta b{display:block;font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.hero-meta small{font-size:12px;color:var(--ink-3)}
.hero-meta b span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 首屏可视化面板 */
.hero-visual{position:relative;perspective:1200px}
.hero-visual::before{
  content:"";position:absolute;inset:-14% -8% -18%;z-index:0;
  background:radial-gradient(closest-side,rgba(76,141,255,.36),transparent 72%);
  filter:blur(26px);
}
.panel{
  position:relative;z-index:1;border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(160deg,rgba(17,26,45,.96),rgba(7,11,20,.97));
  box-shadow:0 50px 90px -34px rgba(0,0,0,.95),inset 0 1px 0 rgba(255,255,255,.07);
  transform:rotateY(-6deg) rotateX(2deg);
  transition:transform .6s var(--ease);
}
.hero-visual:hover .panel{transform:none}
.panel-bar{height:40px;display:flex;align-items:center;gap:6px;padding:0 15px;border-bottom:1px solid var(--line-2);background:rgba(255,255,255,.025)}
.panel-bar em{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.16)}
.panel-bar em:nth-child(1){background:#FF6B6B55}
.panel-bar em:nth-child(2){background:#FFD16655}
.panel-bar em:nth-child(3){background:#4ADE8055}
.panel-bar span{margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--ink-3);letter-spacing:.1em}
.panel-body{padding:18px 18px 20px}
.pb-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.pb-head small{font-size:11.5px;color:var(--ink-3);letter-spacing:.08em}
.pb-head b{display:block;font-size:16px;font-weight:700;margin-top:2px}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:10.5px;font-weight:700;
  color:#6EE7B7;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.28);
  padding:4px 9px;border-radius:999px;letter-spacing:.05em;
}
.pill::before{content:"";width:5px;height:5px;border-radius:50%;background:#34D399;box-shadow:0 0 8px #34D399}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:15px}
.kpi{background:rgba(255,255,255,.04);border:1px solid var(--line-2);border-radius:11px;padding:10px 11px}
.kpi small{font-size:10.5px;color:var(--ink-3);letter-spacing:.04em}
.kpi b{display:block;font-size:18px;font-weight:800;letter-spacing:-.02em;margin-top:1px}
.kpi b i{font-style:normal;font-size:10.5px;color:#4ADE80;margin-left:3px;font-weight:700}
.chart{display:flex;align-items:flex-end;gap:6px;height:92px;margin-top:16px;padding-top:4px}
.chart i{flex:1;border-radius:5px 5px 2px 2px;background:linear-gradient(180deg,rgba(76,141,255,.9),rgba(76,141,255,.10))}
.chart i:nth-child(3n+2){background:linear-gradient(180deg,rgba(34,211,238,.85),rgba(34,211,238,.08))}
.chart i:nth-child(4n){background:linear-gradient(180deg,rgba(139,92,246,.85),rgba(139,92,246,.08))}
.rows{margin-top:15px;display:flex;flex-direction:column;gap:9px}
.rows .row{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--ink-2)}
.rows .row u{width:6px;height:6px;border-radius:2px;background:var(--blue);flex:0 0 auto;text-decoration:none}
.rows .row .bar{flex:1;height:5px;border-radius:3px;background:rgba(255,255,255,.06);overflow:hidden}
.rows .row .bar i{display:block;height:100%;border-radius:3px;background:var(--grad-btn)}
.rows .row b{font-family:var(--mono);font-size:11px;color:var(--ink-3);font-weight:600}
.float-chip{
  position:absolute;z-index:2;display:flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:12px;font-size:12px;font-weight:650;
  background:rgba(12,18,32,.9);border:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 36px -16px rgba(0,0,0,.9);
  backdrop-filter:blur(10px);
}
.float-chip svg{width:15px;height:15px;stroke:var(--cyan);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.float-chip.a{top:-16px;right:-6px}
.float-chip.b{bottom:-16px;left:-10px}
.float-chip.b svg{stroke:#A78BFA}

/* 信任条 */
.trust{padding:12px 0 0}
.trust-in{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 30px;
  border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
  padding:22px 0;
}
.trust-in div{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-2)}
.trust-in svg{width:16px;height:16px;stroke:#7EA8F5;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.trust-in b{color:var(--ink);font-weight:650}
.trust-in span{font-family:var(--mono);font-size:11px;color:var(--ink-3);letter-spacing:.12em}

/* ---------------- 产品矩阵（Bento） ---------------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.pcard{
  grid-column:span 2;position:relative;overflow:hidden;
  display:flex;flex-direction:column;
  padding:26px 24px 22px;border-radius:var(--r);
  border:1px solid var(--line);background:var(--card);
  transition:border-color .3s,background .3s,transform .3s var(--ease);
}
.pcard::after{
  content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
  background:radial-gradient(420px 200px at 82% -10%,rgba(76,141,255,.22),transparent 70%);
  opacity:0;transition:opacity .35s;
}
.pcard:hover{transform:translateY(-4px);border-color:rgba(120,170,255,.34);background:rgba(255,255,255,.05)}
.pcard:hover::after{opacity:1}
.pcard-head{display:flex;align-items:center;gap:13px;position:relative;z-index:1}
.pcard-ico{
  width:46px;height:46px;border-radius:13px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,rgba(76,141,255,.25),rgba(34,211,238,.12));
  border:1px solid rgba(120,170,255,.28);
}
.pcard-ico svg{width:23px;height:23px;stroke:#BBD4FF;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pcard h3{font-size:17.5px;font-weight:750;letter-spacing:-.01em}
.pcard .domain{font-family:var(--mono);font-size:11px;color:#7FA6E8;letter-spacing:.08em;margin-top:3px}
.pcard .badge{
  margin-left:auto;font-size:10.5px;font-weight:700;letter-spacing:.08em;
  padding:4px 9px;border-radius:999px;color:#9EC0FF;
  background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.24);white-space:nowrap;
}
.pcard .badge.soon{color:#C4B5FD;background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.26)}
.pcard .desc{font-size:13.8px;color:var(--ink-2);line-height:1.8;margin:16px 0 14px;position:relative;z-index:1}
.pcard ul{display:flex;flex-direction:column;gap:9px;margin-bottom:20px;position:relative;z-index:1}
.pcard li{display:flex;gap:9px;font-size:13px;color:var(--ink-2);line-height:1.6}
.pcard li svg{width:14px;height:14px;margin-top:4px;flex:0 0 auto;stroke:var(--cyan);fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.pcard .go{
  margin-top:auto;display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:700;color:#8FBBFF;position:relative;z-index:1;
}
.pcard .go svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .28s var(--ease)}
.pcard:hover .go svg{transform:translateX(4px)}
.pcard.wide{grid-column:span 3}
.pcard.wide .desc{max-width:560px}
/* ---------------- 解决方案 ---------------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sol{
  position:relative;padding:30px 26px 26px;border-radius:var(--r);
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  overflow:hidden;transition:border-color .3s,transform .3s var(--ease);
}
.sol:hover{border-color:rgba(120,170,255,.32);transform:translateY(-4px)}
.sol .num{
  font-family:var(--mono);font-size:44px;font-weight:800;line-height:1;
  letter-spacing:-.04em;color:transparent;
  -webkit-text-stroke:1px rgba(140,180,255,.34);
  margin-bottom:18px;
}
.sol h3{font-size:18px;font-weight:750;margin-bottom:10px}
.sol p{font-size:13.8px;color:var(--ink-2);line-height:1.8;margin-bottom:16px}
.sol ul{display:flex;flex-direction:column;gap:8px;padding-top:16px;border-top:1px solid var(--line-2)}
.sol li{position:relative;padding-left:15px;font-size:13px;color:var(--ink-2)}
.sol li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(34,211,238,.7)}
.sol:hover .num{-webkit-text-stroke-color:rgba(34,211,238,.6)}

/* ---------------- 服务能力 ---------------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.svc{
  padding:22px 20px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);
  transition:background .25s,border-color .25s;
}
.svc:hover{background:var(--card-2);border-color:rgba(120,170,255,.28)}
.svc-ico{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(76,141,255,.10);border:1px solid rgba(76,141,255,.2);margin-bottom:14px;
}
.svc-ico svg{width:19px;height:19px;stroke:#9CC2FF;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.svc h4{font-size:14.5px;font-weight:700;margin-bottom:6px}
.svc p{font-size:12.8px;color:var(--ink-3);line-height:1.65}
.svc-note{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:24px;font-size:13px;color:var(--ink-3);
}
.svc-note b{color:#9EC0FF}
.svc-note a{color:#8FBBFF;font-weight:650;border-bottom:1px solid rgba(143,187,255,.35);padding-bottom:1px}

/* ---------------- 数据带 ---------------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
}
.stats .stat{background:rgba(255,255,255,.022);padding:30px 24px;text-align:center}
.stats .stat b{display:block;font-size:34px;font-weight:850;letter-spacing:-.03em;line-height:1.1}
.stats .stat b em{font-style:normal;font-size:16px;font-weight:700;margin-left:2px;color:var(--ink-2)}
.stats .stat small{display:block;font-size:12.5px;color:var(--ink-3);margin-top:8px;letter-spacing:.02em}

/* ---------------- 关于预览 ---------------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about-txt .lead-q{
  font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em;line-height:1.4;
  margin-bottom:18px;
}
.about-txt p{font-size:14.8px;color:var(--ink-2);line-height:1.9;margin-bottom:14px}
.about-txt .btn{margin-top:10px}
.about-visual{
  position:relative;border-radius:var(--r-lg);padding:1px;
  background:linear-gradient(150deg,rgba(120,170,255,.45),rgba(34,211,238,.12) 45%,rgba(255,255,255,.04));
  overflow:hidden;
}
.about-inner{
  border-radius:calc(var(--r-lg) - 1px);padding:32px 30px;
  background:linear-gradient(160deg,rgba(13,20,36,.96),rgba(7,11,20,.98));
}
.about-inner .wordmark{font-size:22px;font-weight:850;letter-spacing:.02em}
.about-inner .wordmark small{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;color:var(--ink-3);margin-top:6px}
.about-inner .split{height:1px;background:var(--line-2);margin:22px 0}
.about-inner ul{display:flex;flex-direction:column;gap:12px}
.about-inner li{display:flex;gap:11px;align-items:flex-start;font-size:13.5px;color:var(--ink-2)}
.about-inner li svg{width:16px;height:16px;margin-top:3px;stroke:#7EA8F5;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.about-inner li b{color:var(--ink);font-weight:650}

/* ---------------- CTA ---------------- */
.cta{padding:24px 0 96px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border:1px solid rgba(120,170,255,.26);
  background:
    radial-gradient(600px 240px at 12% 0%,rgba(76,141,255,.28),transparent 65%),
    radial-gradient(500px 220px at 88% 100%,rgba(139,92,246,.24),transparent 65%),
    linear-gradient(135deg,rgba(15,23,42,.92),rgba(8,12,22,.96));
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.20),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);font-weight:800;letter-spacing:-.02em;margin-bottom:10px;line-height:1.3}
.cta-band p{font-size:14.5px;color:var(--ink-2);max-width:600px}
.cta-band .btn{position:relative;z-index:1}

/* ---------------- 页脚 ---------------- */
.ftr{border-top:1px solid var(--line-2);padding:60px 0 28px;background:rgba(4,6,12,.55)}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.ftr-brand .logo{margin-bottom:16px}
.ftr-brand p{font-size:13px;color:var(--ink-3);line-height:1.85;max-width:290px}
.ftr-grid h5{font-size:12px;font-family:var(--mono);letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase;margin-bottom:16px}
.ftr-grid ul{display:flex;flex-direction:column;gap:10px}
.ftr-grid li a{font-size:13.5px;color:var(--ink-2);transition:color .2s}
.ftr-grid li a:hover{color:#9EC0FF}
.f-qr{display:flex;gap:14px}
.f-qr .q{text-align:center}
.f-qr img{width:88px;height:88px;border-radius:10px;background:#fff;padding:5px;object-fit:cover}
.f-qr small{display:block;font-size:11px;color:var(--ink-3);margin-top:7px}
.ftr-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-2);
  font-size:12px;color:var(--ink-3);
}
.ftr-bottom .dotline{display:flex;gap:8px;align-items:center}
.ftr-bottom i{width:4px;height:4px;border-radius:50%;background:var(--ink-3);opacity:.6}
/* ---------------- 子页头 ---------------- */
.phero{padding:calc(var(--nav-h) + 62px) 0 52px;position:relative;overflow:hidden}
.phero::before{
  content:"";position:absolute;left:0;right:0;top:-40%;height:120%;z-index:-1;
  background:radial-gradient(700px 340px at 22% 40%,rgba(76,141,255,.20),transparent 68%),
             radial-gradient(560px 300px at 82% 10%,rgba(139,92,246,.14),transparent 70%);
}
.crumb{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ink-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a{transition:color .2s}
.crumb a:hover{color:#9EC0FF}
.crumb span{opacity:.45}
.phero h1{font-size:clamp(30px,4vw,46px);font-weight:850;letter-spacing:-.03em;line-height:1.18}
.phero .sub{font-size:15.8px;color:var(--ink-2);max-width:760px;margin-top:14px;line-height:1.8}
.phero .acts{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.tag-row span{
  font-size:11.5px;font-weight:650;color:#A9C7FF;padding:5px 12px;border-radius:999px;
  background:rgba(76,141,255,.09);border:1px solid rgba(76,141,255,.2);
}

/* ---------------- 产品详情 ---------------- */
.pdp{display:grid;grid-template-columns:1fr 336px;gap:44px;align-items:start}
.pdp-main>*+*{margin-top:52px}
.pdp-side{
  position:sticky;top:92px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  padding:24px 22px;
}
.pdp-side h4{font-size:13px;font-family:var(--mono);letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;margin-bottom:6px}
.spec{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line-2);font-size:13px}
.spec span{color:var(--ink-3);flex:0 0 auto}
.spec b{font-weight:650;text-align:right;color:var(--ink)}
.pdp-side .btn{margin-top:18px}
.pdp-side .hint{font-size:11.5px;color:var(--ink-3);text-align:center;margin-top:10px}

.mod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.mod{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);padding:22px 22px 8px;transition:border-color .25s,background .25s}
.mod:hover{border-color:rgba(120,170,255,.26);background:rgba(255,255,255,.045)}
.mod h3{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:750;margin-bottom:14px}
.mod h3 .ic{
  width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.22);
}
.mod h3 .ic svg{width:15px;height:15px;stroke:#9CC2FF;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.mi{padding:11px 0 11px 13px;border-bottom:1px solid var(--line-2);position:relative}
.mi:last-child{border-bottom:0}
.mi::before{content:"";position:absolute;left:0;top:19px;width:3px;height:12px;border-radius:2px;background:linear-gradient(180deg,var(--blue),rgba(34,211,238,.5))}
.mi b{display:block;font-size:13.5px;font-weight:700;margin-bottom:3px}
.mi p{font-size:12.8px;color:var(--ink-3);line-height:1.7}

.hi-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.hi-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:var(--ink-2);padding:14px 16px;border:1px solid var(--line-2);border-radius:var(--r-sm);background:rgba(255,255,255,.02)}
.hi-list svg{width:15px;height:15px;margin-top:3px;flex:0 0 auto;stroke:var(--cyan);fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.scene-tags{display:flex;gap:10px;flex-wrap:wrap}
.scene-tags span{padding:10px 18px;border-radius:10px;border:1px solid var(--line);background:var(--card);font-size:13.5px;font-weight:650}

/* 四步流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{position:relative;padding:26px 22px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card)}
.step .n{
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:13px;font-weight:800;color:#0A1020;background:var(--grad-btn);
  margin-bottom:14px;
}
.step h4{font-size:15px;font-weight:700;margin-bottom:7px}
.step p{font-size:12.8px;color:var(--ink-3);line-height:1.7}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:880px}
.faq{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);overflow:hidden;transition:border-color .25s,background .25s}
.faq:hover{border-color:rgba(120,170,255,.24)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 20px;display:flex;align-items:center;gap:14px;
  font-size:14.8px;font-weight:650;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{
  margin-left:auto;width:24px;height:24px;flex:0 0 auto;border-radius:7px;
  display:flex;align-items:center;justify-content:center;position:relative;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  transition:transform .3s var(--ease),background .3s;
}
.faq summary .pm::before,.faq summary .pm::after{
  content:"";position:absolute;background:#9EC0FF;border-radius:2px;
}
.faq summary .pm::before{width:11px;height:1.6px}
.faq summary .pm::after{width:1.6px;height:11px;transition:opacity .25s}
.faq[open] summary .pm{transform:rotate(180deg);background:rgba(76,141,255,.16)}
.faq[open] summary .pm::after{opacity:0}
.faq .ans{padding:0 20px 20px;font-size:13.8px;color:var(--ink-2);line-height:1.9}
.faq .ans p+p{margin-top:10px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.ccard{border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;background:var(--card)}
.ccard h3{font-size:16.5px;font-weight:750;margin-bottom:6px}
.ccard .sub{font-size:13px;color:var(--ink-3);margin-bottom:10px}
.c-row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line-2)}
.c-row:last-of-type{border-bottom:0}
.c-row .ic{
  width:36px;height:36px;flex:0 0 auto;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(76,141,255,.10);border:1px solid rgba(76,141,255,.2);
}
.c-row .ic svg{width:17px;height:17px;stroke:#9CC2FF;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.c-row b{display:block;font-size:14px;font-weight:700;margin-bottom:3px}
.c-row p{font-size:12.8px;color:var(--ink-3);line-height:1.7}
.qr-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:6px}
.qr-box{text-align:center;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:14px 10px;background:rgba(255,255,255,.025)}
.qr-box img{width:100%;max-width:132px;margin:0 auto;border-radius:8px;background:#fff;padding:6px}
.qr-box b{display:block;font-size:13px;margin-top:10px}
.qr-box small{font-size:11.5px;color:var(--ink-3)}
.tip-box{
  display:flex;gap:12px;margin-top:18px;padding:14px 16px;border-radius:var(--r-sm);
  border:1px solid rgba(139,92,246,.24);background:rgba(139,92,246,.08);
  font-size:12.8px;color:#C9D3E6;line-height:1.75;
}
.tip-box svg{width:16px;height:16px;margin-top:2px;flex:0 0 auto;stroke:#C4B5FD;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* 关于：历程 / 价值观 / 经营范围 */
.timeline{position:relative;max-width:860px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1.5px;background:linear-gradient(180deg,rgba(76,141,255,.8),rgba(139,92,246,.25),transparent)}
.tl{position:relative;padding-bottom:34px}
.tl:last-child{padding-bottom:0}
.tl::before{content:"";position:absolute;left:-27px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid #6FA4FF;box-shadow:0 0 0 4px rgba(76,141,255,.12)}
.tl-tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#9EC0FF;background:rgba(76,141,255,.1);border:1px solid rgba(76,141,255,.2);padding:4px 11px;border-radius:999px;margin-bottom:10px}
.tl h4{font-size:16.5px;font-weight:750;margin-bottom:7px}
.tl p{font-size:13.8px;color:var(--ink-2);line-height:1.85}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.value-card{border:1px solid var(--line);border-radius:var(--r-sm);padding:22px 20px;background:var(--card);transition:border-color .25s,background .25s}
.value-card:hover{border-color:rgba(120,170,255,.26);background:rgba(255,255,255,.045)}
.value-card .ic{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(76,141,255,.1);border:1px solid rgba(76,141,255,.2);margin-bottom:14px}
.value-card .ic svg{width:18px;height:18px;stroke:#9CC2FF;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.value-card h4{font-size:14.5px;font-weight:700;margin-bottom:6px}
.value-card p{font-size:12.8px;color:var(--ink-3);line-height:1.7}
.biz-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.biz-list div{
  display:flex;align-items:center;gap:10px;padding:16px 18px;font-size:13.8px;color:var(--ink-2);
  border:1px solid var(--line-2);border-radius:var(--r-sm);background:rgba(255,255,255,.025);
}
.biz-list div::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--cyan);flex:0 0 auto}

/* ---------------- 动效 ---------------- */
.reveal-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal-ready .reveal.in{opacity:1;transform:none}
@keyframes up{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero-copy>*{animation:up .8s var(--ease) both}
.hero-copy>*:nth-child(2){animation-delay:.07s}
.hero-copy>*:nth-child(3){animation-delay:.14s}
.hero-copy>*:nth-child(4){animation-delay:.21s}
.hero-copy>*:nth-child(5){animation-delay:.28s}
.hero-copy>*:nth-child(6){animation-delay:.35s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.float-chip{animation:float 6s ease-in-out infinite}
.float-chip.b{animation-delay:-3s}
@media (prefers-reduced-motion:reduce){
  .reveal-ready .reveal{opacity:1;transform:none;transition:none}
  .hero-copy>*,.float-chip{animation:none}
  html{scroll-behavior:auto}
}
/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .wrap{padding:0 24px}
  .hero-in{gap:38px}
  .pdp{grid-template-columns:1fr 292px;gap:32px}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .ftr-grid .f-qr-col{grid-column:1/-1}
  .f-qr{justify-content:flex-start}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;left:0;right:0;top:var(--nav-h);
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 24px;margin:0;
    background:rgba(6,8,15,.97);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .26s var(--ease),opacity .26s;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a.link{padding:13px 10px;font-size:15px}
  .nav-links .btn{margin-top:12px;width:100%}
  .nav-sep{display:none}

  .hero{padding:calc(var(--nav-h) + 48px) 0 64px}
  .hero-in{grid-template-columns:1fr;gap:46px}
  .hero .lead{max-width:none}
  .panel{transform:none}
  .float-chip.a{top:-14px;right:0}
  .float-chip.b{bottom:-14px;left:0}

  .sec{padding:72px 0}
  .bento{grid-template-columns:repeat(2,1fr)}
  .pcard,.pcard.wide{grid-column:span 1}
  .pcard.wide{grid-column:span 2}
  .sol-grid{grid-template-columns:1fr;gap:14px}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .pdp{grid-template-columns:1fr;gap:28px}
  .pdp-side{position:static}
  .pdp-main>*+*{margin-top:40px}
  .mod-grid{grid-template-columns:1fr}
  .hi-list{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .biz-list{grid-template-columns:1fr 1fr}
  .cta-band{padding:38px 30px}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .ftr-brand{grid-column:1/-1}
  .ftr-brand p{max-width:none}
}
@media (max-width:600px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .logo-mark{height:29px}
  .logo-txt b{font-size:15.5px}
  .logo-txt span{font-size:8.5px;letter-spacing:.2em}
  .hero-meta{gap:22px;margin-top:32px;padding-top:22px}
  .hero-meta b{font-size:20px}
  .bento{grid-template-columns:1fr}
  .pcard.wide{grid-column:span 1}
  .pcard{padding:22px 20px}
  .stats .stat{padding:22px 14px}
  .stats .stat b{font-size:26px}
  .sec-head{margin-bottom:32px}
  .steps{grid-template-columns:1fr}
  .biz-list{grid-template-columns:1fr}
  .value-grid{grid-template-columns:1fr}
  .qr-grid{gap:10px}
  .f-qr{flex-wrap:wrap}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta{padding-bottom:72px}
  .cta-band{padding:32px 22px;border-radius:20px}
  .cta-band .btn{width:100%}
  .faq summary{font-size:14px;padding:16px}
  .faq .ans{padding:0 16px 16px}
  .pdp-side{padding:20px 18px}
  .float-chip{font-size:11px;padding:7px 10px}
}


/* ---------- CMS 公告条 ---------- */
.hidden{display:none !important}
.cms-notice{
  display:flex;align-items:center;gap:9px;justify-content:center;
  padding:9px 18px;font-size:13px;line-height:1.5;text-align:center;
  color:#BFD2F2;background:linear-gradient(90deg,rgba(91,155,255,.14),rgba(58,201,240,.10));
  border-bottom:1px solid rgba(91,155,255,.16);
}
.cms-notice .cn-dot{width:6px;height:6px;border-radius:50%;background:#3AC9F0;box-shadow:0 0 8px #3AC9F0;flex:0 0 auto}
.cms-notice .cn-t{min-width:0}

/* ---------- 新闻 / 公告 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news-card{
  position:relative;display:block;padding:20px;border-radius:18px;
  background:linear-gradient(160deg,rgba(22,32,52,.86),rgba(12,18,30,.92));
  border:1px solid var(--line);transition:transform .28s,border-color .28s,box-shadow .28s;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--primary-line);box-shadow:0 18px 40px -22px rgba(91,155,255,.5)}
.news-card h3{font-size:15.5px;font-weight:750;color:var(--ink);margin:8px 0 8px;line-height:1.45}
.news-card p{font-size:13px;line-height:1.75;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .n-cat{font-size:11px;padding:2px 8px;border-radius:99px;background:rgba(91,155,255,.14);color:#9EC0FF}
.news-card .n-pin{font-size:11px;padding:2px 8px;border-radius:99px;margin-left:6px;background:rgba(245,158,11,.16);color:#F5B455}
.news-card .n-date{display:block;margin-top:12px;font-size:11.5px;color:var(--ink-3);letter-spacing:.02em}
.cms-row .ic{color:#9EC0FF}
.n-detail{max-width:760px;margin:0 auto}
.n-detail h1{font-size:26px;line-height:1.4;margin:6px 0 12px}
.n-detail .n-meta{font-size:12.5px;color:var(--ink-3);margin-bottom:22px}
.n-detail .n-body{font-size:15px;line-height:1.95;color:var(--ink-2);white-space:pre-wrap;word-break:break-word}
@media(max-width:900px){.news-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.news-grid{grid-template-columns:1fr}.n-detail h1{font-size:21px}}