:root{
    --brand:#2563EB; --brand-dark:#1D4ED8; --ink:#0F172A; --ink-2:#334155;
    --gray:#64748B; --gray-2:#94A3B8; --bg:#F7F9FC; --line:#E9EDF4;
    --footer:#0B1E3F; --chip:#EFF6FF;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  section[id]{scroll-margin-top:88px}
  a:focus-visible,button:focus-visible,.cert-item:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
  ::selection{background:#BFDBFE}
  .skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 20px;z-index:200;font-size:14px;border-radius:0 0 8px 0}
  .skip:focus{left:0}
  /* 返回顶部 */
  .back-top{position:fixed;right:28px;bottom:28px;z-index:60;width:44px;height:44px;border-radius:50%;border:none;background:var(--brand);color:#fff;cursor:pointer;box-shadow:0 8px 20px rgba(37,99,235,.35);opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;display:flex;align-items:center;justify-content:center}
  .back-top.show{opacity:1;visibility:visible;transform:none}
  .back-top:hover{background:var(--brand-dark)}
  .back-top svg{width:20px;height:20px}
  /* 打印样式：供考察打印留存 */
  @media print{
    header,.hero-cta,.dash,.lightbox,.back-top,.arch-hint,.xinchuang-tags{display:none!important}
    .js .reveal{opacity:1!important;transform:none!important}
    section{padding:20px 0}
    .hero{padding:20px 0}
    .hero-right{display:none}
    .cert-wall{grid-template-columns:repeat(4,1fr);gap:10px}
    .cert-item{break-inside:avoid;box-shadow:none}
    .c-item,.q-item,.stat,.xc-col,.arch,.t-card{box-shadow:none;border:1px solid #ddd}
    body{font-size:12px}
    footer{background:#fff;color:#333;padding:16px 0}
  }
  body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
  .wrap{max-width:1312px;margin:0 auto;padding:0 32px}
  section{padding:88px 0}
  .eyebrow{font-size:14px;font-weight:600;color:var(--brand);letter-spacing:2px;margin-bottom:16px}
  h2{font-size:38px;font-weight:700;line-height:1.25;margin-bottom:16px}
  .sub{color:var(--gray);font-size:16px;line-height:1.8;max-width:720px}
  a{color:inherit;text-decoration:none}

  /* 滚动进场动画（JS 可用时启用） */
  .js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
  .js .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    .js .reveal{opacity:1;transform:none;transition:none}
  }

  /* 顶部导航 */
  header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:80px}
  .brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:600}
  .brand svg{width:30px;height:30px}
  .brand img.logo{width:34px;height:34px;border-radius:50%;display:block}
  .nav-links{display:flex;gap:40px;font-size:15px;color:#475569}
  .nav-links a:hover{color:var(--brand)}
  .nav-links a.active{color:var(--brand);font-weight:500}
  .nav-right{display:flex;align-items:center;gap:20px}
  .nav-phone{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink-2)}
  .nav-phone svg{width:16px;height:16px}
  .nav-phone:hover{color:var(--brand)}
  .btn{display:inline-block;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;transition:.2s}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(37,99,235,.25)}
  .btn-primary:hover{background:var(--brand-dark)}
  .btn-ghost{background:#fff;color:var(--ink-2);border:1px solid var(--line)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
  .nav .btn{padding:10px 24px}

  /* Hero */
  .hero{display:flex;align-items:center;gap:64px;padding:88px 0}
  .hero-left{flex:0 0 560px}
  .badge{display:inline-flex;align-items:center;gap:8px;background:var(--chip);color:var(--brand);font-size:14px;font-weight:500;padding:8px 16px;border-radius:100px;margin-bottom:24px}
  .badge svg{width:16px;height:16px}
  .hero h1{font-size:50px;font-weight:700;line-height:1.35;margin-bottom:24px}
  .hero p.lead{color:var(--gray);font-size:17px;line-height:1.8;margin-bottom:28px;text-indent:2em}
  .hero-cta{display:flex;gap:16px;margin-bottom:24px}
  .xinchuang-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
  .xinchuang-tags span{font-size:12px;font-weight:500;color:#475569;background:#F1F5F9;border:1px solid var(--line);padding:6px 14px;border-radius:100px}
  .trust{font-size:13px;color:var(--gray-2)}
  .hero-right{flex:1}
  .hero-right img{width:100%;border-radius:16px;box-shadow:0 12px 32px rgba(15,23,42,.08);display:block}

  /* 产品演示大屏 */
  .dash{background:linear-gradient(150deg,#0A1B3D 0%,#12306B 55%,#1D4ED8 130%);color:#E2E8F0;position:relative;overflow:hidden}
  .dash .eyebrow{color:#7DD3FC}
  .dash h2{color:#fff}
  .dash .sub{color:#94A3B8}
  .dash-demo-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#7DD3FC;border:1px solid rgba(125,211,252,.4);border-radius:100px;padding:4px 12px;margin-left:12px;vertical-align:middle}
  .kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:48px 0 24px}
  .kpi{background:rgba(255,255,255,.05);border:1px solid rgba(147,197,253,.16);border-radius:12px;padding:24px}
  .kpi b{display:flex;align-items:baseline;gap:4px;font-size:34px;font-weight:700;color:#fff;line-height:1.1}
  .kpi .kpi-suffix{font-size:16px;font-weight:500;color:#7DD3FC}
  .kpi label{display:block;margin-top:8px;font-size:13px;color:#94A3B8}
  .chart-grid{display:grid;grid-template-columns:7fr 5fr;gap:20px;margin-top:8px}
  .chart-card{background:rgba(255,255,255,.05);border:1px solid rgba(147,197,253,.16);border-radius:12px;padding:24px;display:flex;flex-direction:column}
  .chart-card h4{font-size:15px;font-weight:600;color:#E2E8F0;margin-bottom:16px}
  .chart-card svg{width:100%;height:auto;display:block;flex:1}
  .chart-col{display:flex;flex-direction:column;gap:20px}
  .dash-note{margin-top:28px;font-size:12px;color:#64748B}
  /* 演示页签 */
  .demo-groups{display:flex;flex-direction:column;gap:12px;margin-top:32px}
  @media(min-width:641px){
    .dash .wrap{padding-left:80px;padding-right:80px}
  }
  @media(max-width:640px){
    .dash .wrap{padding-left:40px;padding-right:40px}
  }
  .dg{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
  .dg label{width:56px;flex-shrink:0;font-size:12px;color:#64748B}
  .dt-btn{border:1px solid rgba(147,197,253,.28);background:rgba(255,255,255,.05);color:#94A3B8;font-size:13px;font-weight:500;padding:9px 20px;border-radius:100px;cursor:pointer;transition:.2s;font-family:inherit}
  .dt-btn:hover{border-color:#7DD3FC;color:#7DD3FC}
  .dt-btn.active{background:var(--brand);border-color:var(--brand);color:#fff}
  @media(max-width:640px){
    .demo-groups{display:flex;flex-direction:column;gap:12px;margin-top:24px}
    .dg{display:flex;flex-wrap:nowrap;gap:8px;align-items:center;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin;scrollbar-color:rgba(96,165,250,.35) transparent}
    .dg::-webkit-scrollbar{height:3px}
    .dg::-webkit-scrollbar-thumb{background:rgba(96,165,250,.35);border-radius:2px}
    .dg label{width:auto;flex-shrink:0;font-size:11px}
    .dt-btn{white-space:nowrap;padding:7px 14px;font-size:12px;flex-shrink:0}
    .mock-table{overflow-x:auto}
    .mtr{min-width:520px}
  }

  .demo-panes{margin-top:20px}
  .demo-pane{display:none}
  .demo-pane.active{display:block}
  .chart-grid-r{display:grid;grid-template-columns:5fr 7fr;gap:20px}
  .chart-grid-3{grid-template-columns:repeat(3,1fr)}
  .demo-anchor{margin-top:16px;font-size:12px;color:#7DD3FC;opacity:.9}
  .mini-note{font-size:12px;color:#64748B;margin-top:14px;line-height:1.7}
  .real-badge{margin-left:8px;font-size:10px;color:#34D399;border:1px solid rgba(52,211,153,.4);border-radius:100px;padding:2px 8px;font-weight:400}
  .chart-card h4{display:flex;align-items:center}
  /* ECharts 容器 */
  .echart{width:100%;height:250px}
  #chart-trend{height:280px}
  #chart-dual{height:260px}

  /* 系统界面模拟 */
  .mock{background:rgba(255,255,255,.05);border:1px solid rgba(147,197,253,.16);border-radius:12px;overflow:hidden}
  .mock-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.07)}
  .mock-bar i{width:9px;height:9px;border-radius:50%;background:#F87171;flex-shrink:0}
  .mock-bar i:nth-child(2){background:#FBBF24}
  .mock-bar i:nth-child(3){background:#34D399}
  .mock-bar span{margin-left:8px;font-size:12px;color:#7DD3FC}
  .mock-bar em{margin-left:auto;font-style:normal;font-size:10px;color:#FBBF24;border:1px solid rgba(245,158,11,.4);border-radius:100px;padding:2px 8px}
  .mock-body{display:flex;min-height:280px}
  .mock-side{width:118px;flex-shrink:0;border-right:1px solid rgba(255,255,255,.07);padding:14px 10px;display:flex;flex-direction:column;gap:6px}
  .ms-item{font-size:12px;color:#94A3B8;padding:7px 10px;border-radius:7px}
  .ms-item.active{background:rgba(37,99,235,.35);color:#DBEAFE}
  .mock-main{flex:1;padding:14px 16px;min-width:0}
  .mock-tools{display:flex;gap:8px;margin-bottom:12px}
  .mt-search{flex:1;height:28px;border-radius:7px;background:rgba(255,255,255,.06);border:1px solid rgba(147,197,253,.15)}
  .mt-btn{height:28px;padding:0 14px;border-radius:7px;background:var(--brand);color:#fff;font-size:12px;display:flex;align-items:center}
  .mt-btn.ghost{background:rgba(255,255,255,.08);color:#94A3B8}
  .mock-table{display:flex;flex-direction:column;margin-top:12px}
  .mock-tools + .mock-table{margin-top:0}
  .mtr{display:grid;grid-template-columns:var(--cols);gap:10px;padding:9px 6px;font-size:12px;color:#CBD5E1;border-bottom:1px solid rgba(255,255,255,.05);align-items:center}
  .mtr:last-child{border-bottom:none}
  .mth{color:#64748B;font-size:11px}
  .tag{font-style:normal;font-size:11px;padding:2px 9px;border-radius:100px;white-space:nowrap}
  .tag.ok{color:#34D399;background:rgba(52,211,153,.14)}
  .tag.blue{color:#38BDF8;background:rgba(56,189,248,.14)}
  .tag.warn{color:#FBBF24;background:rgba(251,191,36,.14)}
  .tag.red{color:#F87171;background:rgba(248,113,113,.14)}
  .tag.gray{color:#94A3B8;background:rgba(148,163,184,.14)}
  .mock-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
  .mc{background:rgba(255,255,255,.05);border-radius:8px;padding:10px 12px}
  .mc b{display:block;font-size:18px;color:#fff}
  .mc span{font-size:11px;color:#64748B}
  .mock-steps{display:flex;margin:12px 0 4px}
  .mst{flex:1;text-align:center;font-size:11px;color:#94A3B8;position:relative;padding-top:20px}
  .mst::before{content:"";position:absolute;top:5px;left:50%;transform:translateX(-50%);width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.15)}
  .mst.done::before{background:#34D399}
  .mst.cur{color:#7DD3FC}
  .mst.cur::before{background:#38BDF8;box-shadow:0 0 0 4px rgba(56,189,248,.2)}
  .mst:not(:last-child)::after{content:"";position:absolute;top:9px;left:calc(50% + 10px);right:calc(-50% + 10px);height:2px;background:rgba(255,255,255,.12)}
  .mock-doc{background:rgba(255,255,255,.04);border:1px solid rgba(147,197,253,.15);border-radius:8px;padding:12px 14px;font-size:12px;color:#CBD5E1;margin-bottom:12px}
  .md-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
  .md-row:last-child{border-bottom:none}
  .md-row b{font-weight:600;color:#E2E8F0}
  .mbrow{display:flex;align-items:center;gap:12px;padding:8px 4px}
  .mbrow label{width:64px;flex-shrink:0;font-size:12px;color:#94A3B8;text-align:right}
  .mbrow b{width:30px;flex-shrink:0;font-size:12px;color:#E2E8F0}
  .mbar{flex:1;height:10px;border-radius:5px;background:rgba(255,255,255,.07);overflow:hidden}
  .mbar div{height:100%;border-radius:5px;background:linear-gradient(90deg,#1D4ED8,#38BDF8)}
  .mock-flex{display:flex;gap:24px;align-items:flex-start}
  .mock-phone{width:320px;flex-shrink:0;margin:4px auto;border:2px solid rgba(147,197,253,.35);border-radius:22px;padding:10px;background:rgba(10,20,40,.6);display:flex;flex-direction:column;height:560px}
  .mp-notch{width:56px;height:5px;border-radius:3px;background:rgba(255,255,255,.15);margin:0 auto 10px}
  .mp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px}
  .mp-app{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;color:#94A3B8}
  .mp-app i{width:28px;height:28px;border-radius:8px;background:rgba(37,99,235,.35);display:flex;align-items:center;justify-content:center;color:#7DD3FC;font-size:12px;font-style:normal}
  .mp-list{border-top:1px solid rgba(255,255,255,.07);padding-top:8px}
  .mpl-title{font-size:11px;color:#64748B;margin-bottom:6px}
  .mpl-row{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#CBD5E1;padding:5px 0}
  .mock-feat{flex:1;min-width:0}
  .mf-title{font-size:13px;color:#7DD3FC;margin-bottom:10px}
  .mf-row{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .mf-row b{display:block;font-size:13px;color:#E2E8F0;margin-bottom:2px}
  .mf-row span{font-size:12px;color:#64748B}

  .mp-banner{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#DBEAFE;margin-bottom:8px}
  .mp-banner i{width:16px;height:16px;border-radius:50%;background:#2563EB;flex-shrink:0}
  .mp-pcard{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#2563EB,#1D4ED8);border-radius:10px;padding:10px 12px;margin-bottom:8px}
  .mp-pcard b{display:block;font-size:12px;color:#fff;margin-bottom:2px}
  .mp-pcard span{font-size:10px;color:#BFDBFE}
  .mp-notice{font-size:10px;color:#FCD34D;background:rgba(245,158,11,.1);border-radius:6px;padding:5px 8px;margin-bottom:2px}
  .mp-sec{font-size:11px;font-weight:600;color:#7DD3FC;margin:10px 0 6px}
  .mp-chips{display:flex;flex-wrap:wrap;gap:5px}
  .mp-chips span{font-size:10px;color:#94A3B8;background:rgba(255,255,255,.06);border-radius:6px;padding:4px 8px}
  .mp-vcard{background:rgba(255,255,255,.05);border:1px solid rgba(147,197,253,.2);border-radius:10px;padding:12px;display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:8px}
  .mp-vcard b{font-size:13px;color:#E2E8F0}
  .mp-vcard span{font-size:10px;color:#64748B}
  .mp-qr{width:84px;height:84px;border-radius:6px;background-color:#EFF6FF;background-image:linear-gradient(45deg,#1E3A8A 25%,transparent 25%,transparent 75%,#1E3A8A 75%),linear-gradient(45deg,#1E3A8A 25%,transparent 25%,transparent 75%,#1E3A8A 75%);background-size:12px 12px;background-position:0 0,6px 6px}
  .mp-barcode{width:110px;height:18px;background:repeating-linear-gradient(90deg,#CBD5E1 0 2px,transparent 2px 5px)}
  .mp-doc{font-size:11px;color:#CBD5E1;background:rgba(255,255,255,.04);border-radius:8px;padding:10px;line-height:1.7}
  .mp-tabs .mpt{font-size:10px;padding:4px 0;white-space:nowrap}


  .mock-view{display:none}
  .mock-view.active{display:block}
  .mp-tabs{display:flex;border-top:1px solid rgba(255,255,255,.08);margin-top:10px;padding-top:6px}
  .mpt{flex:1;text-align:center;font-size:11px;color:#64748B;padding:5px 0;border-radius:6px;cursor:pointer}
  .mpt.active{color:#7DD3FC;background:rgba(37,99,235,.25)}
  .mp-views{display:grid;flex:1;min-height:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(96,165,250,.35) transparent}
  .mp-views::-webkit-scrollbar{width:4px}
  .mp-views::-webkit-scrollbar-thumb{background:rgba(96,165,250,.35);border-radius:2px}
  .mpv{grid-area:1/1;visibility:hidden}
  .mpv.active{visibility:visible}
  .set-row{display:flex;justify-content:space-between;align-items:center;padding:10px 4px;font-size:12px;color:#CBD5E1;border-bottom:1px solid rgba(255,255,255,.05)}
  .set-row:last-child{border-bottom:none}
  .set-toggle{width:34px;height:18px;border-radius:9px;background:#2563EB;position:relative;flex-shrink:0}
  .set-toggle::after{content:"";position:absolute;top:2px;right:2px;width:14px;height:14px;border-radius:50%;background:#fff}
  .set-toggle.off{background:rgba(255,255,255,.15)}
  .set-toggle.off::after{left:2px;right:auto}
  .ms-item{cursor:pointer}
  .ms-item:hover{color:#CBD5E1}


  /* 简介 */
  .about-grid{display:flex;gap:56px;margin-top:56px}
  .about-text{flex:0 0 560px;display:flex;flex-direction:column;gap:20px;color:#475569;font-size:16px;line-height:1.9}
  .stat-grid{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .stat{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 12px rgba(15,23,42,.05)}
  .stat b{display:block;font-size:30px;font-weight:700;color:var(--brand);margin-bottom:6px}
  .stat span{font-size:14px;color:var(--gray-2)}

  /* 发展沿革 */
  .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px}
  .tl-item{border-top:2px solid var(--line);padding-top:20px;position:relative}
  .tl-item::before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;background:var(--brand)}
  .tl-item b{display:block;font-size:16px;color:var(--brand);margin-bottom:6px}
  .tl-item span{font-size:13px;color:var(--gray);line-height:1.7}

  /* 卡片网格 */
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
  .card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:16px;transition:box-shadow .25s,transform .25s}
  .card:hover{box-shadow:0 12px 28px rgba(15,23,42,.09);transform:translateY(-3px)}
  .card svg{width:44px;height:44px}
  .card h3{font-size:19px;font-weight:600}
  .card p{font-size:14px;color:var(--gray);line-height:1.8}

  /* 信创与技术 */
  .xc-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:48px}
  .xc-col{background:#fff;border-radius:12px;padding:32px;box-shadow:0 4px 12px rgba(15,23,42,.05)}
  .xc-col h3{font-size:20px;font-weight:600;margin-bottom:20px}
  .matrix{width:100%;border-collapse:collapse;font-size:14px}
  .matrix th,.matrix td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
  .matrix th{font-size:13px;color:var(--gray-2);font-weight:500}
  .matrix td:first-child{font-weight:600;color:var(--ink-2);white-space:nowrap}
  .matrix .ok{display:inline-flex;align-items:center;gap:6px;color:#059669;font-weight:600;font-size:13px;white-space:nowrap}
  .matrix .ok svg{width:16px;height:16px}
  .matrix-note{margin-top:14px;font-size:12px;color:var(--gray-2)}
  .eng-list{display:flex;flex-direction:column;gap:14px}
  .eng-item{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-2);line-height:1.7}
  .eng-item svg{width:20px;height:20px;flex-shrink:0;margin-top:3px}
  .eng-item b{font-weight:600}
  .eng-item span{color:var(--gray)}
  .arch{margin-top:32px;background:#fff;border-radius:12px;padding:32px;box-shadow:0 4px 12px rgba(15,23,42,.05)}
  .arch h3{font-size:20px;font-weight:600;margin-bottom:20px}
  .arch svg{width:100%;height:auto;display:block}
  .arch .arch-hint{display:none;font-size:12px;color:var(--gray-2);margin:-10px 0 12px}

  /* 软著证书墙 */
  .cert-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
  .cert-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;cursor:zoom-in;transition:box-shadow .25s,transform .25s}
  .cert-item:hover{box-shadow:0 10px 24px rgba(15,23,42,.12);transform:translateY(-3px)}
  .cert-item img{width:100%;border-radius:6px;display:block;aspect-ratio:595/805;object-fit:cover;background:#F1F5F9}
  .cert-item p{margin-top:10px;font-size:13px;font-weight:500;color:var(--ink-2);text-align:center;line-height:1.5}
  .cert-filter{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
  .cf-btn{border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:13px;font-weight:500;padding:8px 18px;border-radius:100px;cursor:pointer;transition:.2s;font-family:inherit}
  .cf-btn:hover{border-color:var(--brand);color:var(--brand)}
  .cf-btn.active{background:var(--brand);border-color:var(--brand);color:#fff}
  .cert-meta{display:block;margin-top:4px;font-size:11px;color:var(--gray-2);text-align:center;line-height:1.6}
  .cr-note{margin-top:24px;font-size:13px;color:var(--gray-2)}
  /* 证书大图弹窗 */
  .lightbox{position:fixed;inset:0;z-index:100;background:rgba(10,20,40,.86);display:none;align-items:center;justify-content:center;padding:32px;cursor:zoom-out}
  .lightbox.open{display:flex}
  .lightbox figure{max-width:min(680px,92vw);max-height:92vh;display:flex;flex-direction:column;gap:12px}
  .lightbox img{max-width:100%;max-height:84vh;border-radius:8px;box-shadow:0 24px 64px rgba(0,0,0,.5);background:#fff}
  .lightbox span{color:#CBD5E1;font-size:14px;text-align:center}

  /* 资质案例 */
  .qc-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:48px}
  .qc-col h3{font-size:20px;font-weight:600;margin-bottom:16px}
  .q-item{display:flex;align-items:center;gap:16px;background:#fff;border-radius:12px;padding:24px;margin-bottom:16px;box-shadow:0 4px 12px rgba(15,23,42,.05);font-size:15px;font-weight:500;color:var(--ink-2)}
  .q-item svg{width:22px;height:22px;flex-shrink:0}
  .c-item{background:#fff;border-radius:12px;padding:24px;margin-bottom:16px;box-shadow:0 4px 12px rgba(15,23,42,.05)}
  .c-item h4{font-size:16px;font-weight:600;margin-bottom:8px}
  .c-item p{font-size:14px;color:var(--gray);line-height:1.7}

  /* 合作流程 */
  .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:48px}
  .flow-step{position:relative;padding:0 20px;text-align:center}
  .flow-step::before{content:"";position:absolute;top:24px;left:calc(-50% + 40px);right:calc(50% + 40px);height:2px;background:var(--line)}
  .flow-step:first-child::before{display:none}
  .flow-num{position:relative;display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--chip);color:var(--brand);font-size:16px;font-weight:700;margin-bottom:16px;border:2px solid #DBEAFE}
  .flow-step h4{font-size:16px;font-weight:600;margin-bottom:8px}
  .flow-step p{font-size:13px;color:var(--gray);line-height:1.7}

  /* 联系 */
  .contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
  .t-card{background:var(--bg);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:12px}
  .t-card svg{width:28px;height:28px}
  .t-card label{font-size:13px;color:var(--gray-2)}
  .t-card b{font-size:15px;font-weight:500;color:var(--ink-2);line-height:1.7}

  /* 页脚 */
  footer{background:var(--footer);color:#94A3B8;padding:56px 0 32px}
  .f-top{display:flex;justify-content:space-between;gap:48px;margin-bottom:40px}
  .f-brand{max-width:420px}
  .f-brand .brand{color:#fff;margin-bottom:16px}
  .f-brand p{font-size:14px;line-height:1.8}
  .f-nav{display:flex;gap:80px}
  .f-nav h5{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px}
  .f-nav a,.f-nav p{display:block;font-size:14px;margin-bottom:10px}
  .f-bar{border-top:1px solid #2E4066;padding-top:24px;font-size:13px;display:flex;flex-direction:column;gap:8px}
  .f-legal{display:flex;flex-wrap:wrap;align-items:center;gap:6px 20px}
  .f-bar .icp{font-weight:500}
  .f-bar .note{font-size:12px;color:#64748B}

  @media(max-width:1024px){
    .hero{flex-direction:column;gap:0}.hero-left{flex:none;width:100%}
    .about-grid{flex-direction:column}.about-text{flex:none}
    .cards,.contact-cards{grid-template-columns:1fr 1fr}
    .cert-wall{grid-template-columns:repeat(3,1fr)}
    .xc-grid,.qc-grid,.chart-grid,.chart-grid-r,.chart-grid-3{grid-template-columns:1fr}
    .kpi-grid{grid-template-columns:1fr 1fr}
    .nav-links,.nav-phone{display:none}
    .nav{height:64px}
    .brand{font-size:18px}
    .brand img.logo{width:28px;height:28px}
    .nav .btn{padding:8px 18px;font-size:14px}
    .flow{grid-template-columns:repeat(3,1fr);gap:32px 0}
    .flow-step::before{display:none}
  }
  @media(max-width:640px){
    section{padding:64px 0}
    .cards,.contact-cards,.stat-grid{grid-template-columns:1fr}
    .cert-wall{grid-template-columns:1fr 1fr}
    .kpi-grid{grid-template-columns:1fr 1fr}
    .kpi b{font-size:26px}
    h2{font-size:28px}.hero h1{font-size:16px;line-height:1.5;margin-bottom:8px;white-space:nowrap}.hero h1 br{display:none}
    .f-top{flex-direction:column}
    .f-nav{gap:24px}
    .f-nav>div:first-child{flex:none}
    .f-nav>div:last-child{flex:1;min-width:0}
    .flow{grid-template-columns:1fr;gap:28px 0}
    .timeline{grid-template-columns:1fr 1fr;gap:20px}
    .hero{padding:20px 0 0}
    .hero p.lead{font-size:12px;line-height:1.75;margin-bottom:10px}
    .badge{font-size:12px;padding:5px 11px;margin-bottom:10px;gap:6px}
    .badge svg{width:13px;height:13px}
    .xinchuang-tags{margin-bottom:10px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
    .xinchuang-tags::-webkit-scrollbar{display:none}
    .xinchuang-tags span{font-size:11px;padding:5px 11px;white-space:nowrap;flex-shrink:0}
    .hero-right{width:100%}
    .hero-right picture{display:block}
    .hero-right picture img{border-radius:0;box-shadow:none}
    .matrix th,.matrix td{padding:10px 8px;font-size:13px}
    .mock-body{flex-direction:column}
    .mock-side{display:flex;width:auto;border-right:none;border-bottom:1px solid rgba(255,255,255,.07);padding:8px 10px;flex-direction:row;gap:6px;overflow-x:auto}
    .mock-side .ms-item{white-space:nowrap;font-size:11px;padding:5px 10px;flex-shrink:0}
    .mock-phone{width:100%;max-width:340px;height:540px}
    .mock-body{min-height:0}
    .mock-cards{grid-template-columns:1fr 1fr}
    .mock-flex{flex-direction:column}
    .mtr{font-size:11px;gap:6px}
    .arch{padding:20px;overflow-x:auto}
    .arch svg{min-width:700px}
    .arch .arch-hint{display:block}
  }