:root{
    --navy-0:#02101f;
    --navy:#04203f;
    --navy-2:#073159;
    --blue:#0d5ba8;
    --blue-2:#1a7fd4;
    --cyan:#2ee6ff;
    --cyan-2:#7ff2ff;
    --ink:#0f1926;
    --ink-2:#41546a;
    --ink-3:#7b8ea3;
    --line:#dbe6f2;
    --line-2:#eaf2fa;
    --bg:#f2f7fd;
    --maxw:1240px;
    --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    background:#fff;color:var(--ink);overflow-x:hidden;
    font:400 15px/1.8 "Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans CN",system-ui,-apple-system,sans-serif;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

  /* ============ 动效 ============ */
  @keyframes trail{to{stroke-dashoffset:-480}}
  @keyframes dashflow{to{stroke-dashoffset:-64}}
  @keyframes pulse{0%,100%{opacity:.25;transform:scale(.85)}50%{opacity:.85;transform:scale(1.5)}}
  @keyframes spin{to{transform:rotate(360deg)}}
  @keyframes scan{0%{transform:translateY(-120%)}100%{transform:translateY(260%)}}
  @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
  html.js .rv{opacity:0;transform:translateY(24px);transition:opacity .75s cubic-bezier(.22,.7,.3,1),transform .75s cubic-bezier(.22,.7,.3,1)}
  html.js .rv.in{opacity:1;transform:none}

  /* ============ 1 顶部信息条 ============ */
  .topbar{background:#03192f;border-bottom:1px solid rgba(46,230,255,.16);font-size:13px;color:#7fa6c9}
  .topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px;gap:20px}
  .topbar .l{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:9px}
  .topbar .l i{width:6px;height:6px;border-radius:50%;background:var(--blue-2);box-shadow:0 0 8px var(--blue-2);animation:pulse 2.6s infinite}
  .topbar .r{display:flex;white-space:nowrap}
  .topbar .r a{padding:0 13px;border-right:1px solid rgba(46,230,255,.16);color:#7fa6c9;transition:.18s}
  .topbar .r a:last-child{border-right:0;padding-right:0}
  .topbar .r a:hover{color:var(--cyan)}

  /* ============ 2 Logo 区 ============ */
  .logobar{background:#05203f;border-bottom:1px solid rgba(46,230,255,.14);position:relative;z-index:30}
  .logobar .wrap{display:flex;align-items:center;gap:26px;padding:18px 20px}
  .logo{display:flex;align-items:center;gap:14px;flex:0 0 auto}
  .logo .mark{
    width:58px;height:58px;flex:0 0 auto;display:grid;place-items:center;position:relative;
    background:linear-gradient(140deg,#1a7fd4,#04203f);color:#fff;font-weight:800;font-size:19px;letter-spacing:.5px;
    clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%);
  }
  .logo .mark::after{
    content:"";position:absolute;inset:2px;pointer-events:none;
    background:linear-gradient(140deg,rgba(46,230,255,.35),transparent 60%);
    clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%);
  }
  .logo .name b{display:block;font-size:26px;font-weight:800;letter-spacing:2.5px;color:#fff;line-height:1.2}
  .logo .name span{display:block;font-size:10.5px;color:#6f9dc4;letter-spacing:1.4px}
  .slogan{border-left:1px solid rgba(46,230,255,.2);padding-left:22px}
  .slogan b{display:block;font-size:16px;color:#dff1ff;font-weight:750;letter-spacing:.3px}
  .slogan span{display:block;font-size:12.5px;color:#8fb6db;margin-top:3px}
  .logobar .right{margin-left:auto;display:flex;align-items:center;gap:22px}
  .hotline{display:flex;align-items:center;gap:11px;text-align:left}
  .hotline .hb{
    width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;color:#fff;
    background:linear-gradient(140deg,#0d5ba8,#04203f);
    clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%);
  }
  .hotline .hb svg{width:18px;height:18px}
  .hotline .ht{display:block}
  .hotline .lb{font-size:12px;color:#8fb6db;display:block;letter-spacing:1px}
  .hotline .no{
    display:block;font-size:26px;font-weight:800;letter-spacing:.5px;line-height:1.2;font-family:var(--mono);
    background:linear-gradient(92deg,#0d5ba8,#1a7fd4 55%,#12b9c9);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .search{display:flex;height:40px;border:1px solid rgba(46,230,255,.22);border-radius:2px;overflow:hidden;background:#0a2b47;transition:.2s}
  .search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,230,255,.14)}
  .search input{border:0;outline:0;padding:0 13px;font:inherit;font-size:13.5px;width:168px;background:transparent;color:#dff1ff}
  .search input::placeholder{color:#5d87ad}
  .search button{border:0;width:48px;cursor:pointer;display:grid;place-items:center;color:#02121f;background:linear-gradient(140deg,#7ff2ff,#2ee6ff)}
  .search button svg{width:16px;height:16px}

  /* ============ 3 主导航 ============ */
  nav.main{
    position:sticky;top:0;z-index:70;
    background:linear-gradient(90deg,#04203f,#06356b 52%,#04203f);
  }
  nav.main::before{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(46,230,255,.45),transparent);
  }
  nav.main::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(46,230,255,.75),transparent);
  }
  nav.main.scrolled{box-shadow:0 14px 34px rgba(2,16,31,.45)}
  nav.main .wrap{display:flex;align-items:stretch;justify-content:center;padding:0 20px}
  .nav-item{position:relative;display:flex;align-items:stretch;white-space:nowrap}
  .nav-item .lnk{
    display:flex;align-items:center;gap:9px;padding:0 24px;height:56px;
    color:#c3d8ee;font-size:16px;letter-spacing:.5px;transition:background .2s,color .2s;
  }
  .nav-item .ic{width:17px;height:17px;flex:0 0 auto;opacity:.7;transition:.2s}
  .nav-item .chev{width:11px;height:11px;flex:0 0 auto;opacity:.55;transition:.22s;margin-left:-3px}
  .nav-item::before{
    content:"";position:absolute;left:50%;bottom:0;height:3px;width:0;transform:translateX(-50%);
    background:linear-gradient(90deg,transparent,#2ee6ff,transparent);
    box-shadow:0 0 14px rgba(46,230,255,.9);transition:width .28s ease;
  }
  .nav-item:hover .lnk{color:#fff;background:rgba(46,230,255,.07)}
  .nav-item:hover .ic{opacity:1;color:#2ee6ff}
  .nav-item:hover .chev{opacity:1;transform:rotate(180deg)}
  .nav-item:hover::before{width:72%}
  .nav-item.on .lnk{color:#02121f;font-weight:800;background:linear-gradient(180deg,#7ff2ff,#2ee6ff 46%,#12b9d6)}
  .nav-item.on .ic{opacity:.95;color:#032331}
  .nav-item.on .chev{opacity:.75;color:#032331}
  .nav-item.on::before{display:none}
  .nav-item.on::after{
    content:"";position:absolute;left:50%;top:100%;transform:translateX(-50%);
    border:7px solid transparent;border-top-color:#12b9d6;
    filter:drop-shadow(0 3px 7px rgba(18,185,214,.6));
  }
  .drop{
    position:absolute;left:50%;top:100%;z-index:80;
    min-width:252px;padding:10px;opacity:0;visibility:hidden;pointer-events:none;
    transform:translateX(-50%) translateY(10px);text-align:left;
    transition:opacity .2s,transform .26s cubic-bezier(.22,.7,.3,1),visibility .2s;
    background:#05203f;border:1px solid rgba(46,230,255,.3);
    box-shadow:0 28px 64px rgba(2,16,31,.62),0 0 44px rgba(46,230,255,.1);
  }
  .drop::before{
    content:"";position:absolute;left:0;right:0;top:0;height:2px;
    background:linear-gradient(90deg,#2ee6ff,#1a7fd4 52%,transparent);
  }
  .drop::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
    background-image:linear-gradient(rgba(94,184,255,.09) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(94,184,255,.09) 1px,transparent 1px);
    background-size:24px 24px;
  }
  .nav-item:hover .drop{
    opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);
  }
  .drop.right{left:auto;right:0;transform:translateY(10px)}
  .nav-item:hover .drop.right{transform:translateY(0)}
  .drop .ttl{
    position:relative;z-index:2;font-family:var(--mono);font-size:10.5px;letter-spacing:1.4px;
    color:#5d87ad;padding:6px 12px 8px;
  }
  .drop a{
    position:relative;z-index:2;display:flex;align-items:flex-start;gap:11px;
    padding:10px 12px;color:#c3d8ee;font-size:14.5px;letter-spacing:.3px;
    border-left:2px solid transparent;transition:.18s;
  }
  .drop a .dot{
    width:6px;height:6px;flex:0 0 auto;margin-top:8px;transform:rotate(45deg);
    background:rgba(46,230,255,.45);transition:.18s;
  }
  .drop a .t{display:flex;flex-direction:column;line-height:1.4}
  .drop a .t b{font-weight:600;font-size:14.5px}
  .drop a .t i{font-style:normal;font-family:var(--mono);font-size:10px;color:#6f9dc4;letter-spacing:.6px;margin-top:2px}
  .drop a:hover{color:#fff;background:rgba(46,230,255,.1);border-left-color:#2ee6ff}
  .drop a:hover .dot{background:#2ee6ff;box-shadow:0 0 10px #2ee6ff}
  .drop a:hover .t i{color:#9fd8ff}

  /* ============ 4 首屏 ============ */
  .hero{position:relative;overflow:hidden;background:var(--navy-0);min-height:700px;display:flex;align-items:center}
  .hero .bg{
    position:absolute;inset:0;
    background:
      radial-gradient(1200px 700px at 50% -10%, rgba(26,127,212,.55), transparent 62%),
      radial-gradient(900px 500px at 12% 30%, rgba(46,230,255,.18), transparent 60%),
      linear-gradient(180deg,#02101f 0%,#04203f 45%,#063154 74%,#073863 100%);
  }
  .hero .grid{
    position:absolute;inset:0;opacity:.34;pointer-events:none;
    background-image:linear-gradient(rgba(94,184,255,.14) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(94,184,255,.14) 1px,transparent 1px);
    background-size:76px 76px;
    mask-image:radial-gradient(1000px 620px at 50% 26%,#000 8%,transparent 76%);
    -webkit-mask-image:radial-gradient(1000px 620px at 50% 26%,#000 8%,transparent 76%);
  }
  .hero .radar{
    position:absolute;width:1200px;height:1200px;left:50%;top:-220px;margin-left:-600px;
    border-radius:50%;pointer-events:none;opacity:.5;animation:spin 18s linear infinite;
    background:conic-gradient(from 0deg,rgba(46,230,255,.20),transparent 22%,transparent 100%);
    mask-image:radial-gradient(closest-side,#000 30%,transparent 72%);
    -webkit-mask-image:radial-gradient(closest-side,#000 30%,transparent 72%);
  }
  .hero .trails{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none;opacity:.55}
  .hero .trails path{
    fill:none;stroke:url(#tg);stroke-width:1.4;stroke-dasharray:120 380;
    animation:trail 7s linear infinite;
  }
  .hero .trails path:nth-child(2){animation-duration:9.5s;animation-delay:1.6s}
  .hero .trails path:nth-child(3){animation-duration:8.2s;animation-delay:3.1s}
  .hero .horizon{
    position:absolute;left:0;right:0;bottom:0;height:330px;pointer-events:none;
    background:radial-gradient(1100px 260px at 50% 100%, rgba(46,230,255,.22), rgba(26,127,212,.09) 55%, transparent 78%);
  }
  .hero .ground{position:absolute;left:0;bottom:0;width:100%;height:286px;pointer-events:none}
  .hero .pipeflow{animation:dashflow 2.8s linear infinite}
  .hero .glabel{
    position:absolute;z-index:4;left:26px;display:flex;align-items:center;gap:9px;pointer-events:none;
    font-family:var(--mono);font-size:10px;letter-spacing:2px;color:rgba(159,216,255,.5);
  }
  .hero .glabel i{display:block;width:22px;height:1px;background:rgba(127,242,255,.5)}
  .hero .gl-a{bottom:262px}
  .hero .gl-b{bottom:166px}
  .hero .gl-c{bottom:96px}
  .hero .glowline{
    position:absolute;left:0;right:0;bottom:284px;height:2px;pointer-events:none;
    background:linear-gradient(90deg,transparent,rgba(46,230,255,.7),rgba(255,255,255,.95),rgba(46,230,255,.7),transparent);
    box-shadow:0 0 30px rgba(46,230,255,.8);
  }
  .hero .wrap{position:relative;z-index:3;text-align:center;padding:74px 20px 236px}
  .hero .kicker{
    display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:3px;color:#9fd8ff;
    border:1px solid rgba(46,230,255,.42);border-radius:999px;padding:6px 18px;margin-bottom:26px;
    background:rgba(46,230,255,.07);
  }
  .hero .kicker i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2.2s infinite}
  .hero h1{
    font-size:54px;line-height:1.24;font-weight:800;color:#fff;letter-spacing:3px;
    text-shadow:0 10px 44px rgba(0,0,0,.5);
  }
  .hero h1 .l1::after{content:" · ";color:rgba(255,255,255,.6);font-weight:400}
  .hero h1 em{
    font-style:normal;
    background:linear-gradient(96deg,#7ff2ff,#2ee6ff 42%,#4fc3ff);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero .rule{
    width:96px;height:3px;margin:26px auto 24px;border-radius:2px;
    background:linear-gradient(90deg,transparent,var(--cyan),transparent);
    box-shadow:0 0 16px rgba(46,230,255,.75);
  }
  .hero p{color:#c2dcf5;font-size:17px;margin:0 auto;max-width:840px;line-height:1.95}
  .hero .btns{display:flex;gap:16px;justify-content:center;margin-top:40px;flex-wrap:wrap}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;height:50px;padding:0 36px;
    font-size:16px;font-weight:700;transition:.2s;cursor:pointer;border:1px solid transparent;letter-spacing:.5px;
  }
  .btn.primary{
    color:#02121f;background:linear-gradient(135deg,#7ff2ff,#2ee6ff 60%,#12b9d6);
    clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
    box-shadow:0 14px 38px rgba(46,230,255,.3);
  }
  .btn.primary:hover{box-shadow:0 18px 48px rgba(46,230,255,.5);transform:translateY(-2px)}
  .btn.ghost{color:#dff1ff;border-color:rgba(150,205,255,.5);background:rgba(255,255,255,.05)}
  .btn.ghost:hover{border-color:var(--cyan);background:rgba(46,230,255,.12)}
  .hero .dots{display:flex;gap:10px;justify-content:center;margin-top:52px;position:relative;z-index:4}
  .hero .dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.35);display:block;transition:.25s}
  .hero .dots i.on{background:var(--cyan);width:32px;border-radius:6px;box-shadow:0 0 14px var(--cyan)}
  .hero .hud{
    position:absolute;z-index:4;font-family:var(--mono);font-size:11px;letter-spacing:1.6px;
    color:rgba(159,216,255,.6);pointer-events:none;
  }
  .hero .hud.tl{left:28px;top:96px}
  .hero .hud.tr{right:92px;top:96px;text-align:right}
  .hero .hud.bl{left:28px;bottom:318px}
  .hero .hud.br{right:92px;bottom:318px;text-align:right}

  /* ============ 5 数字条 ============ */
  .stats{background:var(--navy);position:relative;overflow:hidden;border-top:1px solid rgba(46,230,255,.2)}
  .stats .gridbg{
    position:absolute;inset:0;opacity:.4;
    background-image:linear-gradient(rgba(94,184,255,.12) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(94,184,255,.12) 1px,transparent 1px);
    background-size:48px 48px;
    mask-image:linear-gradient(180deg,#000,transparent 92%);
    -webkit-mask-image:linear-gradient(180deg,#000,transparent 92%);
  }
  .stats .wrap{position:relative;display:grid;grid-template-columns:repeat(4,1fr)}
  .stats .st{padding:36px 22px;color:#fff;position:relative}
  .stats .st+.st::before{
    content:"";position:absolute;left:0;top:26%;bottom:26%;width:1px;
    background:linear-gradient(180deg,transparent,rgba(46,230,255,.5),transparent);
  }
  .stats .st .ic{width:26px;height:26px;color:var(--cyan);margin-bottom:12px;opacity:.9}
  .stats .st b{
    display:block;font-size:42px;font-weight:800;line-height:1.05;letter-spacing:1px;font-family:var(--mono);
    background:linear-gradient(96deg,#fff,#7ff2ff 70%,#2ee6ff);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stats .st b small{font-size:16px;font-weight:700;margin-left:3px;letter-spacing:0}
  .stats .st span{display:block;font-size:13.5px;color:#9dc2e6;margin-top:8px;letter-spacing:1.2px}

  /* ============ 通用区块头 ============ */
  section{padding:76px 0;position:relative}
  .sh{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px;flex-wrap:wrap}
  .sh .t{position:relative;padding-left:20px}
  .sh .t::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
    background:linear-gradient(180deg,var(--cyan),var(--blue-2));box-shadow:0 0 14px rgba(46,230,255,.55);
  }
  .sh .t b{display:block;font-size:31px;font-weight:800;letter-spacing:2px;color:var(--ink)}
  .sh .t span{display:block;font-size:12px;color:#9aabbe;letter-spacing:3.4px;text-transform:uppercase;margin-top:5px}
  .sh.center{flex-direction:column;align-items:center;text-align:center}
  .sh.center .t{padding-left:0;padding-top:18px}
  .sh.center .t::before{left:50%;margin-left:-13px;top:0;bottom:auto;width:26px;height:3px;background:linear-gradient(90deg,transparent,var(--cyan),transparent)}
  .sh .more{
    display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--blue);
    border:1px solid var(--line);padding:9px 20px;border-radius:999px;transition:.2s;background:#fff;
  }
  .sh .more:hover{border-color:var(--cyan);color:#0a6ea8;box-shadow:0 6px 18px rgba(26,127,212,.16)}
  .sh .more svg{width:13px;height:13px}
  .lead{color:var(--ink-2);font-size:15.5px;max-width:900px;margin:-20px auto 40px;text-align:center}

  /* ============ 6 城市生命线拓扑 ============ */
  .cityline{background:var(--navy-0);color:#fff;overflow:hidden}
  .cityline .mesh{
    position:absolute;inset:0;opacity:.3;
    background-image:linear-gradient(rgba(94,184,255,.13) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(94,184,255,.13) 1px,transparent 1px);
    background-size:58px 58px;
    mask-image:radial-gradient(900px 520px at 50% 40%,#000 6%,transparent 74%);
    -webkit-mask-image:radial-gradient(900px 520px at 50% 40%,#000 6%,transparent 74%);
  }
  .cityline .wrap{position:relative;z-index:2}
  .cityline h2{font-size:34px;font-weight:800;letter-spacing:2px;text-align:center}
  .cityline h2 em{font-style:normal;color:var(--cyan)}
  .cityline .sub{color:#9dc2e6;text-align:center;font-size:15.5px;margin:14px auto 0;max-width:840px}
  .topo{margin-top:34px}
  .topo svg{width:100%;height:auto;display:block}
  .topo .node-lbl{fill:#dff1ff;font-size:15px;font-weight:700;font-family:"Microsoft YaHei",sans-serif}
  .topo .node-sub{fill:#8fb6db;font-size:11.5px;font-family:"Microsoft YaHei",sans-serif}
  .topo .center-lbl{fill:#02121f;font-size:15px;font-weight:800;font-family:"Microsoft YaHei",sans-serif}
  .topo .center-sub{fill:#0a4a6b;font-size:10.5px;font-family:"Microsoft YaHei",sans-serif;letter-spacing:1px}
  .topo .link{fill:none;stroke:rgba(46,230,255,.55);stroke-width:1.6;stroke-dasharray:8 8;animation:dashflow 2.4s linear infinite}
  .topo .dot{fill:#2ee6ff}
  .topo .pulse{fill:none;stroke:rgba(46,230,255,.6);stroke-width:1.4}
  .topo text{user-select:none}
  .topo .chip{fill:rgba(46,230,255,.09);stroke:rgba(46,230,255,.42);stroke-width:1}
  .topo .chip-t{fill:#a9d6f5;font-size:11.5px;font-family:"Microsoft YaHei",sans-serif}

  /* ============ 7 产品中心 ============ */
  .products{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .prod{
    position:relative;background:#fff;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column;
    overflow:hidden;box-shadow:0 4px 14px rgba(13,91,168,.05);
  }
  .prod::after{
    content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:3;
    background:linear-gradient(90deg,#0d5ba8,#1a7fd4 45%,#2ee6ff);
    transform:scaleX(0);transform-origin:left;transition:.45s;
  }
  .prod:hover{border-color:var(--cyan);box-shadow:0 26px 56px rgba(13,91,168,.2);transform:translateY(-6px)}
  .prod:hover::after{transform:scaleX(1)}
  .prod .pic{
    height:212px;position:relative;overflow:hidden;display:grid;place-items:center;
    background:linear-gradient(160deg,#eef6fe,#dbeafb);
    clip-path:polygon(0 0,calc(100% - 26px) 0,100% 26px,100% 100%,0 100%);
  }
  .prod .pic .photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
  .prod .pic .tint{
    position:absolute;inset:0;z-index:1;
    background:linear-gradient(165deg,rgba(8,44,80,.34),rgba(13,91,168,.2) 50%,rgba(2,16,31,.74));
  }
  .prod .pic.soft .tint{background:linear-gradient(165deg,rgba(4,22,42,.24),rgba(2,16,31,.5))}
  .prod .pic .blue{
    position:absolute;inset:0;opacity:.24;z-index:2;
    background-image:linear-gradient(rgba(26,127,212,.18) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(26,127,212,.18) 1px,transparent 1px);
    background-size:24px 24px;
  }
  .prod .pic .rg{
    position:absolute;inset:0;opacity:0;transition:.4s;z-index:2;
    background:radial-gradient(250px 165px at 50% 46%,rgba(46,230,255,.3),transparent 72%);
  }
  .prod:hover .pic .rg{opacity:1}
  .prod .pic .scan{
    position:absolute;left:0;right:0;height:70px;opacity:0;z-index:3;
    background:linear-gradient(180deg,transparent,rgba(46,230,255,.4),transparent);
  }
  .prod:hover .pic .scan{opacity:1;animation:scan 2.1s linear infinite}
  .prod .pic .brk{position:absolute;width:22px;height:22px;border:2px solid rgba(127,242,255,.62);pointer-events:none;z-index:4}
  .prod .pic .brk.tl{left:14px;top:14px;border-right:0;border-bottom:0}
  .prod .pic .brk.bl{left:14px;bottom:14px;border-right:0;border-top:0}
  .prod .pic .cut{
    position:absolute;right:0;top:0;width:26px;height:26px;pointer-events:none;z-index:4;
    background:linear-gradient(225deg,transparent 49%,rgba(127,242,255,.35) 50%);
  }
  .prod .idx{
    position:absolute;right:18px;bottom:10px;z-index:4;font-family:var(--mono);font-size:54px;font-weight:800;
    color:rgba(255,255,255,.3);line-height:1;letter-spacing:-3px;pointer-events:none;transition:.3s;
  }
  .prod:hover .idx{color:rgba(255,255,255,.5)}
  .prod .badge{
    position:absolute;left:0;top:18px;z-index:5;font-size:12px;letter-spacing:1.5px;color:#fff;padding:4px 16px 4px 14px;
    background:linear-gradient(90deg,#0d5ba8,#1a7fd4);
    clip-path:polygon(0 0,100% 0,calc(100% - 9px) 100%,0 100%);
  }
  .prod .call{
    position:absolute;z-index:5;font-family:var(--mono);font-size:10.5px;letter-spacing:.4px;color:#0d5ba8;
    background:rgba(255,255,255,.94);border:1px solid rgba(26,127,212,.35);padding:2px 8px;
  }
  .prod .call::before{content:"";position:absolute;top:50%;height:1px;background:rgba(26,127,212,.45)}
  .prod .call.c1{left:16px;top:44%}
  .prod .call.c1::before{left:100%;width:34px}
  .prod .call.c2{right:16px;top:64%}
  .prod .call.c2::before{right:100%;width:30px}
  .prod .bd{padding:24px 24px 26px;flex:1;display:flex;flex-direction:column;border-top:1px solid var(--line-2);position:relative;z-index:2}
  .prod h3{font-size:19.5px;font-weight:800;letter-spacing:.5px}
  .prod .en{font-family:var(--mono);font-size:11px;color:#9aabbe;letter-spacing:1.6px;margin:5px 0 16px}
  .specstrip{
    display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-2);
    border:1px solid var(--line-2);margin-bottom:18px;
  }
  .specstrip .sp{background:#f8fbff;padding:11px 8px;text-align:center;transition:.25s}
  .prod:hover .specstrip .sp{background:#eff6fe}
  .specstrip .sp span{display:block;font-size:11px;color:#93a5b8;letter-spacing:.3px}
  .specstrip .sp b{display:block;font-family:var(--mono);font-size:14px;color:#0d5ba8;margin-top:3px;font-weight:700}
  .prod ul{list-style:none;display:grid;gap:9px;margin-bottom:20px}
  .prod li{font-size:14px;color:var(--ink-2);display:flex;gap:9px}
  .prod li::before{
    content:"";width:6px;height:6px;flex:0 0 auto;margin-top:9px;background:var(--blue-2);
    clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  }
  .prod .go{
    margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--blue);
    border-top:1px solid var(--line-2);padding-top:16px;
  }
  .prod .go svg{width:14px;height:14px;transition:.22s}
  .prod:hover .go svg{transform:translateX(5px)}

  /* ============ 8 云平台 ============ */
  .platform{background:linear-gradient(180deg,#04203f,#062a52 60%,#04203f);color:#fff;overflow:hidden}
  .platform .mesh{
    position:absolute;inset:0;opacity:.28;
    background-image:linear-gradient(rgba(94,184,255,.12) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(94,184,255,.12) 1px,transparent 1px);
    background-size:52px 52px;
  }
  .platform .wrap{position:relative;z-index:2;display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
  .platform h2{font-size:32px;font-weight:800;letter-spacing:1.5px;line-height:1.42}
  .platform h2 em{font-style:normal;color:var(--cyan)}
  .platform .desc{color:#a8c8e8;font-size:15.5px;margin-top:16px;line-height:1.95}
  .plist{list-style:none;display:grid;gap:14px;margin-top:28px}
  .plist li{display:flex;gap:13px;align-items:flex-start;font-size:15px;color:#d6e8f8}
  .plist li .k{
    width:26px;height:26px;flex:0 0 auto;display:grid;place-items:center;margin-top:3px;
    border:1px solid rgba(46,230,255,.5);color:var(--cyan);font-family:var(--mono);font-size:11px;
    clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);
  }
  .plist li b{color:#fff;font-weight:700}
  .console{
    position:relative;border:1px solid rgba(46,230,255,.32);background:#031627;
    box-shadow:0 30px 70px rgba(0,0,0,.55),0 0 60px rgba(46,230,255,.12);animation:float 7s ease-in-out infinite;
  }
  .console .bar{
    display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid rgba(46,230,255,.2);
    background:linear-gradient(90deg,rgba(46,230,255,.1),transparent);
  }
  .console .bar i{width:9px;height:9px;border-radius:50%;background:#1e4568}
  .console .bar i:nth-child(2){background:#2b7fb8}
  .console .bar i:nth-child(3){background:#2ee6ff}
  .console .bar span{margin-left:10px;font-family:var(--mono);font-size:11.5px;color:#7fb3de;letter-spacing:1px}
  .console .body{display:grid;grid-template-columns:132px 1fr;min-height:326px}
  .console .menu{border-right:1px solid rgba(46,230,255,.16);padding:14px 0}
  .console .menu a{display:block;padding:9px 16px;font-size:12.5px;color:#7fa6c9;border-left:2px solid transparent}
  .console .menu a.on{color:#7ff2ff;border-left-color:var(--cyan);background:rgba(46,230,255,.09)}
  .console .main{padding:16px 18px 30px;position:relative;overflow:hidden}
  .console .kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
  .console .kpi{border:1px solid rgba(46,230,255,.2);padding:10px 12px;background:rgba(46,230,255,.05)}
  .console .kpi span{display:block;font-size:11px;color:#7fa6c9}
  .console .kpi b{display:block;font-family:var(--mono);font-size:19px;color:#7ff2ff;margin-top:4px;font-weight:700}
  .console .map{
    margin-top:12px;height:132px;border:1px solid rgba(46,230,255,.2);position:relative;overflow:hidden;
    background:
      linear-gradient(rgba(94,184,255,.1) 1px,transparent 1px) 0 0/26px 26px,
      linear-gradient(90deg,rgba(94,184,255,.1) 1px,transparent 1px) 0 0/26px 26px,
      radial-gradient(300px 160px at 60% 50%,rgba(26,127,212,.28),transparent 70%);
  }
  .console .map .pin{position:absolute;width:9px;height:9px;border-radius:50%;background:#2ee6ff;box-shadow:0 0 12px #2ee6ff}
  .console .map .pin::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(46,230,255,.6);animation:pulse 2.4s infinite}
  .console .map .pin.w{background:#ffd166;box-shadow:0 0 12px #ffd166}
  .console .map .pin.w::after{border-color:rgba(255,209,102,.6);animation-delay:.7s}
  .console .rows{margin-top:12px;display:grid;gap:7px}
  .console .row{display:flex;align-items:center;gap:10px;font-size:12px;color:#a8c8e8;border-bottom:1px dashed rgba(46,230,255,.14);padding-bottom:6px}
  .console .row .t{font-family:var(--mono);color:#6f9dc4;font-size:11px}
  .console .row .s{margin-left:auto;font-size:11px;padding:1px 8px;border:1px solid rgba(46,230,255,.4);color:#7ff2ff}
  .console .row .s.warn{border-color:rgba(255,209,102,.55);color:#ffd166}
  .console .cap{position:absolute;right:12px;bottom:8px;font-size:11px;color:#5d87ad;font-family:var(--mono)}

  /* ============ 9 解决方案 ============ */
  .solutions{background:#eef5fc;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;position:relative}
  .solutions .bpgrid{
    position:absolute;inset:0;opacity:.55;pointer-events:none;
    background-image:linear-gradient(rgba(26,127,212,.07) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(26,127,212,.07) 1px,transparent 1px);
    background-size:40px 40px;
    mask-image:radial-gradient(940px 480px at 50% 34%,#000 12%,transparent 78%);
    -webkit-mask-image:radial-gradient(940px 480px at 50% 34%,#000 12%,transparent 78%);
  }
  .solutions .glow{
    position:absolute;left:50%;top:-150px;width:900px;height:440px;margin-left:-450px;pointer-events:none;
    background:radial-gradient(closest-side,rgba(26,127,212,.16),transparent 72%);
  }
  .solutions .wrap{position:relative;z-index:2}
  .flow{position:relative;height:54px}
  .flow .rail{
    position:absolute;left:11%;right:11%;top:26px;height:2px;
    background:linear-gradient(90deg,rgba(13,91,168,.1),rgba(26,127,212,.6) 10%,rgba(46,230,255,.85) 50%,rgba(26,127,212,.6) 90%,rgba(13,91,168,.1));
  }
  .flow .nd{
    position:absolute;top:20px;width:14px;height:14px;margin-left:-7px;background:#fff;
    border:2px solid var(--blue-2);transform:rotate(45deg);transition:.3s;
  }
  .flow .nd.on{
    background:linear-gradient(140deg,#7ff2ff,#2ee6ff);border-color:#2ee6ff;
    box-shadow:0 0 18px rgba(46,230,255,.75);
  }
  .sols{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
  .sol{
    background:#fff;border:1px solid var(--line);padding:36px 26px 28px;position:relative;overflow:hidden;
    transition:.3s;box-shadow:0 4px 14px rgba(13,91,168,.05);
  }
  .sol::before{
    content:"";position:absolute;left:50%;top:0;width:2px;height:26px;margin-left:-1px;
    background:linear-gradient(180deg,var(--a2),rgba(26,127,212,0));
  }
  .sol::after{
    content:"";position:absolute;left:0;right:0;top:0;height:3px;
    background:linear-gradient(90deg,var(--a1),var(--a2));
  }
  .sol:hover{transform:translateY(-6px);box-shadow:0 26px 56px rgba(13,91,168,.19);border-color:rgba(26,127,212,.4)}
  .sol .hex{
    width:50px;height:50px;display:grid;place-items:center;position:relative;z-index:2;
    background:linear-gradient(140deg,var(--a1),var(--a2));color:#fff;
    font-family:var(--mono);font-weight:800;font-size:14px;
    clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);
    box-shadow:0 10px 22px rgba(13,91,168,.28);transition:.3s;
  }
  .sol:hover .hex{transform:translateY(-2px) rotate(-6deg)}
  .sol .motif{position:absolute;right:22px;top:36px;width:36px;height:36px;color:var(--a2);opacity:.4;transition:.3s;pointer-events:none}
  .sol:hover .motif{opacity:.95;transform:scale(1.08)}
  .sol h3{font-size:19px;font-weight:800;margin-top:20px;letter-spacing:.5px;position:relative;z-index:2}
  .sol h3::after{content:"";display:block;width:30px;height:2px;background:linear-gradient(90deg,var(--a2),transparent);margin-top:11px}
  .sol p{font-size:14px;color:var(--ink-2);margin-top:14px;position:relative;z-index:2}
  .sol .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px;position:relative;z-index:2}
  .sol .tags i{font-style:normal;font-size:12px;color:#0d5ba8;background:#eff6fe;border:1px solid #dbe9f8;padding:4px 11px;border-radius:999px;transition:.2s}
  .sol:hover .tags i{background:#e2effe;border-color:#c6ddf5}
  .sol .wno{
    position:absolute;right:14px;bottom:2px;font-family:var(--mono);font-size:76px;font-weight:800;line-height:1;
    color:rgba(13,91,168,.06);letter-spacing:-4px;transition:.3s;pointer-events:none;
  }
  .sol:hover .wno{color:rgba(13,91,168,.12)}
  .sol .brk{
    position:absolute;left:0;bottom:0;width:20px;height:20px;opacity:.3;transition:.3s;pointer-events:none;
    border-left:2px solid var(--a2);border-bottom:2px solid var(--a2);
  }
  .sol:hover .brk{opacity:.9}

  /* ============ 10 行业案例 ============ */
  .cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .case{background:#fff;border:1px solid var(--line);transition:.26s;display:flex;flex-direction:column;overflow:hidden}
  .case:hover{box-shadow:0 22px 48px rgba(13,91,168,.16);transform:translateY(-5px)}
  .case .pic{height:172px;position:relative;overflow:hidden;background:linear-gradient(155deg,#04203f,#0d5ba8 58%,#1a7fd4)}
  .case .pic .mg{
    position:absolute;inset:0;opacity:.4;
    background-image:linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
    background-size:30px 30px;
  }
  .case .pic .pin{position:absolute;left:50%;top:44%;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;background:#7ff2ff;box-shadow:0 0 18px #7ff2ff}
  .case .pic .pin::after{content:"";position:absolute;inset:-9px;border-radius:50%;border:1.5px solid rgba(127,242,255,.7);animation:pulse 2.6s infinite}
  .case .pic .cap{position:absolute;left:0;right:0;bottom:0;padding:12px 20px 14px;background:linear-gradient(180deg,transparent,rgba(2,16,31,.86))}
  .case .pic .cap b{display:block;color:#fff;font-size:20px;font-weight:800;letter-spacing:3px}
  .case .pic .cap span{display:block;font-family:var(--mono);font-size:10.5px;color:#9fd8ff;letter-spacing:2px;margin-top:2px}
  .case .bd{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
  .case h3{font-size:17.5px;font-weight:800;margin-bottom:10px}
  .case p{font-size:14px;color:var(--ink-2)}
  .case .meta{
    margin-top:18px;border-top:1px dashed var(--line);padding-top:13px;display:flex;justify-content:space-between;
    font-size:12.5px;color:#8a9dae;font-family:var(--mono);
  }

  /* ============ 11 关于我们 ============ */
  .about{background:var(--bg);border-top:1px solid var(--line)}
  .about .grid2{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
  .shot{position:relative;border:1px solid var(--line);background:#e8f0f8;aspect-ratio:4/3;overflow:hidden}
  .shot img{width:100%;height:100%;object-fit:cover}
  .shot .corner{position:absolute;width:26px;height:26px;border:2px solid var(--cyan)}
  .shot .corner.tl{left:12px;top:12px;border-right:0;border-bottom:0}
  .shot .corner.br{right:12px;bottom:12px;border-left:0;border-top:0}
  .shot .cap{position:absolute;left:0;bottom:0;background:rgba(4,32,63,.88);color:#dff1ff;font-size:12.5px;padding:8px 18px;letter-spacing:1px}
  .about .txt p{color:var(--ink-2);font-size:15.4px;margin-bottom:14px}
  .about .txt p strong{color:var(--ink);font-weight:800}
  .quals{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:24px}
  .qual{position:relative;background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue-2);padding:16px 18px;transition:.22s}
  .qual:hover{border-left-color:var(--cyan);box-shadow:0 10px 26px rgba(13,91,168,.12)}
  .qual b{display:block;font-size:14.5px;font-weight:800}
  .qual span{display:block;font-size:12.5px;color:#8a9dae;margin-top:4px}

  /* ============ 12 新闻资讯 ============ */
  .news-bg{background:#fff;border-top:1px solid var(--line)}
  .tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:30px;gap:6px}
  .tabs a{font-size:15.5px;padding:12px 26px;color:var(--ink-2);position:relative;transition:.2s;border-radius:6px 6px 0 0}
  .tabs a.on{color:#fff;font-weight:800;background:linear-gradient(140deg,#0d5ba8,#1a7fd4)}
  .tabs a:not(.on):hover{background:#f2f7fd}
  .news{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .news a.item{
    background:#fff;border:1px solid var(--line);padding:26px 24px;display:flex;flex-direction:column;gap:12px;
    transition:.26s;height:100%;position:relative;overflow:hidden;
  }
  .news a.item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
    background:linear-gradient(180deg,var(--cyan),var(--blue-2));transform:scaleY(0);transform-origin:top;transition:.3s;
  }
  .news a.item:hover::before{transform:scaleY(1)}
  .news a.item:hover{box-shadow:0 20px 44px rgba(13,91,168,.14);transform:translateY(-4px)}
  .news .meta{font-family:var(--mono);font-size:12px;color:#93a5b8;display:flex;gap:11px;align-items:center}
  .news .cat{font-family:"Microsoft YaHei",sans-serif;color:#fff;padding:2px 11px;font-size:12px;background:linear-gradient(90deg,#0d5ba8,#1a7fd4);border-radius:999px}
  .news .cat.g{background:linear-gradient(90deg,#0f8a7a,#22b3a0)}
  .news h3{font-size:17px;font-weight:800;line-height:1.58}
  .news p{font-size:13.8px;color:var(--ink-2);line-height:1.8}
  .news .rd{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--blue);border-top:1px dashed var(--line);padding-top:14px}

  /* ============ 13 联系我们 ============ */
  .contact{background:linear-gradient(150deg,#02101f,#04203f 45%,#0a4a86);color:#fff;position:relative;overflow:hidden}
  .contact .mesh{
    position:absolute;inset:0;opacity:.3;
    background-image:linear-gradient(rgba(94,184,255,.13) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(94,184,255,.13) 1px,transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(900px 460px at 30% 40%,#000 10%,transparent 76%);
    -webkit-mask-image:radial-gradient(900px 460px at 30% 40%,#000 10%,transparent 76%);
  }
  .contact .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
  .contact h2{font-size:33px;font-weight:800;letter-spacing:2px}
  .contact .sub{color:#a8c8e8;font-size:15px;margin-top:12px}
  .cinfo{display:grid;gap:16px;margin-top:30px}
  .cinfo .row{display:flex;gap:14px;align-items:flex-start;font-size:15.5px;color:#dff1ff}
  .cinfo .row .ic{
    width:34px;height:34px;flex:0 0 auto;display:grid;place-items:center;color:var(--cyan);
    border:1px solid rgba(46,230,255,.42);background:rgba(46,230,255,.08);
    clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);
  }
  .cinfo .row .ic svg{width:16px;height:16px}
  .cinfo .row b{font-weight:800;color:#fff}
  .qr{background:rgba(255,255,255,.06);border:1px solid rgba(46,230,255,.3);padding:22px;text-align:center}
  .qr .box{width:158px;height:158px;margin:0 auto 14px;background:#fff;padding:6px}
  .qr .box img{width:100%;height:100%;object-fit:contain}
  .qr b{display:block;font-size:15.5px;color:#fff}
  .qr span{font-size:12.5px;color:#9dc2e6}

  /* ============ 14 页脚 ============ */
  footer{background:#02101f;color:#8fb0cc;padding:52px 0 0;font-size:13.6px;position:relative}
  footer::before{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(46,230,255,.55),transparent);
  }
  .fgrid{display:grid;grid-template-columns:1.3fr repeat(3,1fr) 1.15fr;gap:32px}
  footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;position:relative;padding-left:12px}
  footer h4::before{content:"";position:absolute;left:0;top:7px;width:3px;height:12px;background:var(--cyan)}
  footer ul{list-style:none;display:grid;gap:9px}
  footer li a{color:#8fb0cc;transition:.18s}
  footer li a:hover{color:var(--cyan)}
  .flogo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
  .flogo .mark{
    width:44px;height:44px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
    background:linear-gradient(140deg,#1a7fd4,#04203f);
    clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%);
  }
  .flogo b{color:#fff;font-size:18px;letter-spacing:2px}
  .keywords{border-top:1px solid rgba(255,255,255,.09);margin-top:38px;padding:18px 0;font-size:12.6px;color:#6d8dab;line-height:2}
  .keywords a{color:#6d8dab;margin-right:14px;transition:.18s}
  .keywords a:hover{color:var(--cyan)}
  .fbar{
    border-top:1px solid rgba(255,255,255,.09);padding:16px 0 24px;display:flex;justify-content:space-between;
    gap:16px;flex-wrap:wrap;color:#6d8dab;font-size:12.6px;font-family:var(--mono);
  }

  /* ============ 15 悬浮条 ============ */
  .side{position:fixed;right:0;top:96px;z-index:46;display:flex;flex-direction:column;gap:1px}
  .side a{
    width:64px;padding:13px 0;text-align:center;font-size:12px;line-height:1.3;color:#cfe6ff;transition:.2s;
    background:rgba(4,32,63,.92);border:1px solid rgba(46,230,255,.24);
  }
  .side a:hover{background:linear-gradient(140deg,#0d5ba8,#1a7fd4);color:#fff;border-color:var(--cyan)}
  .side a svg{width:20px;height:20px;display:block;margin:0 auto 5px}
  .mobilebar{display:none}

  /* ============ 响应式 ============ */
  @media (max-width:1100px){
    .logo .name b{font-size:22px}
    .slogan{display:none}
    .nav-item .lnk{padding:0 16px;font-size:15px;gap:7px}
    .nav-item .ic{width:15px;height:15px}
    .hero h1{font-size:42px}
    .hero .hud{display:none}
    .products{grid-template-columns:1fr 1fr}
    .sols{grid-template-columns:1fr 1fr}
    .flow{display:none}
    .sol::before{display:none}
    .cases,.news{grid-template-columns:1fr 1fr}
    .platform .wrap,.about .grid2,.contact .wrap{grid-template-columns:1fr;gap:34px}
    .fgrid{grid-template-columns:1fr 1fr 1fr}
  }
  @media (max-width:1024px){
    nav.main .wrap{justify-content:flex-start;overflow-x:auto;padding:0 10px}
    .nav-item .lnk{padding:0 14px;font-size:14.5px}
    .nav-item .chev,.drop{display:none}
    .nav-item.on::after{display:none}
  }
  @media (max-width:820px){
    .topbar{display:none}
    .logobar .wrap{padding:14px 18px;gap:14px;flex-wrap:wrap}
    .logo .mark{width:46px;height:46px;font-size:16px}
    .logo .name b{font-size:19px;letter-spacing:1.5px}
    .logo .name span{font-size:10px}
    .logobar .right{gap:12px;width:100%;margin-left:0}
    .hotline{display:none}
    .search{flex:1}
    .search input{width:100%}
    nav.main .wrap{padding:0;justify-content:flex-start;overflow-x:auto}
    .nav-item .lnk{padding:0 16px;height:46px;font-size:14.5px}
    section{padding:54px 0}
    .hero{min-height:auto}
    .hero .wrap{padding:50px 18px 160px}
    .hero .kicker{font-size:11.5px;letter-spacing:1.6px;padding:5px 13px;margin-bottom:20px}
    .hero h1{font-size:27px;letter-spacing:.5px;line-height:1.36}
    .hero h1 .l1{display:block}
    .hero h1 .l1::after{content:""}
    .hero h1 em{display:block}
    .hero .rule{width:70px;margin:20px auto 18px}
    .hero p{font-size:15.5px;line-height:1.9}
    .hero .btns{flex-direction:column;margin-top:30px}
    .btn{width:100%;height:52px}
    .hero .dots{margin-top:34px}
    .hero .ground{height:186px}
    .hero .glowline{bottom:184px}
    .hero .glabel{display:none}
    .stats .wrap{grid-template-columns:1fr 1fr}
    .stats .st{padding:26px 14px}
    .stats .st+.st::before{top:20%;bottom:20%}
    .stats .st:nth-child(2)::before{display:none}
    .stats .st:nth-child(3)::before{display:none}
    .stats .st b{font-size:30px}
    .sh{flex-direction:column;align-items:flex-start}
    .sh .t b{font-size:24px}
    .products,.sols,.cases,.news,.quals{grid-template-columns:1fr}
    .console .body{grid-template-columns:1fr}
    .console .menu{display:none}
    .console .kpis{grid-template-columns:1fr 1fr}
    .topo{margin-top:22px}
    .fgrid{grid-template-columns:1fr 1fr}
    .side{display:none}
    .contact h2{font-size:25px}
    .mobilebar{
      display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:50;
      background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 20px rgba(4,32,63,.14);
    }
    .mobilebar a{padding:9px 0;text-align:center;font-size:12px;color:var(--ink-2);border-right:1px solid var(--line-2)}
    .mobilebar a:last-child{border-right:0}
    .mobilebar a svg{width:21px;height:21px;display:block;margin:0 auto 3px;color:#0d5ba8}
    .tabs a{padding:11px 18px;font-size:14.5px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    html{scroll-behavior:auto}
    html.js .rv{opacity:1;transform:none}
  }

  /* 站点补充：后台 Logo */
  .brandlogo{display:flex;align-items:center;flex:0 0 auto}
  .brandlogo img{height:46px;width:auto;display:block}
  @media (max-width:820px){.brandlogo img{height:38px}}
  /* 第三方客服在手机上会自动展开成一大块盖住首屏文案与按钮，这里仅在手机端隐藏；
     桌面端保留在线咨询入口。若想手机端也保留，请在 ywkefu 后台关闭「自动弹出」。 */
  @media (max-width:820px){
    #ywkf-chat{display:none!important}
  }
  .fbar a{color:#7e97b3}
  .fbar a:hover{color:var(--cyan)}

  /* ================= 二级页 ================= */
  .pagehead{position:relative;overflow:hidden;background:var(--navy-0)}
  .pagehead .bg{
    position:absolute;inset:0;
    background:
      radial-gradient(1100px 520px at 50% -20%, rgba(26,127,212,.5), transparent 64%),
      radial-gradient(700px 380px at 88% 30%, rgba(46,230,255,.16), transparent 62%),
      linear-gradient(180deg,#02101f 0%,#04203f 58%,#063154 100%);
  }
  .pagehead .grid{
    position:absolute;inset:0;opacity:.3;pointer-events:none;
    background-image:linear-gradient(rgba(94,184,255,.13) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(94,184,255,.13) 1px,transparent 1px);
    background-size:70px 70px;
    mask-image:radial-gradient(900px 420px at 50% 30%,#000 10%,transparent 78%);
    -webkit-mask-image:radial-gradient(900px 420px at 50% 30%,#000 10%,transparent 78%);
  }
  .pagehead .trails{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none;opacity:.5}
  .pagehead .trails path{fill:none;stroke:url(#tg2);stroke-width:1.4;stroke-dasharray:120 380;animation:trail 7s linear infinite}
  .pagehead .trails path:nth-child(2){animation-duration:9.5s;animation-delay:1.6s}
  .pagehead .glowline{
    position:absolute;left:0;right:0;bottom:0;height:2px;
    background:linear-gradient(90deg,transparent,rgba(46,230,255,.7),rgba(255,255,255,.9),rgba(46,230,255,.7),transparent);
    box-shadow:0 0 26px rgba(46,230,255,.7);
  }
  .pagehead .wrap{position:relative;z-index:3;padding:46px 20px 42px}
  .crumb{font-size:13px;color:#8fb6db;display:flex;align-items:center;flex-wrap:wrap;gap:2px}
  .crumb a{color:#8fb6db;transition:.18s}
  .crumb a:hover{color:var(--cyan)}
  .crumb i{font-style:normal;opacity:.45;margin:0 8px}
  .pagehead h1,.pagehead .ttl{font-size:40px;font-weight:800;color:#fff;letter-spacing:3px;margin-top:14px;text-shadow:0 8px 30px rgba(0,0,0,.45)}
  .pagehead .en{font-family:var(--mono);font-size:11.5px;letter-spacing:4px;color:#6f9dc4;margin-top:10px;text-transform:uppercase}
  .pagehead .rule{width:64px;height:3px;background:linear-gradient(90deg,var(--cyan),transparent);margin-top:18px;box-shadow:0 0 14px rgba(46,230,255,.7)}

  .subnav{background:#eef5fc;border-bottom:1px solid var(--line)}
  .subnav .wrap{display:flex;gap:10px;flex-wrap:wrap;padding:14px 20px}
  .subnav a{
    font-size:14.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
    padding:8px 22px;border-radius:999px;transition:.2s;
  }
  .subnav a:hover{border-color:var(--blue-2);color:var(--blue);box-shadow:0 6px 16px rgba(13,91,168,.1)}
  .subnav a.on{background:linear-gradient(135deg,#0d5ba8,#1a7fd4);color:#fff;border-color:transparent;font-weight:700;box-shadow:0 8px 20px rgba(13,91,168,.28)}

  .pagebody{padding:54px 0 76px;background:#fff}
  .pagebody.gray{background:var(--bg)}

  /* 文章列表 */
  .artlist{display:grid;gap:18px}
  .art{
    display:grid;grid-template-columns:300px 1fr;border:1px solid var(--line);background:#fff;
    overflow:hidden;transition:.25s;
  }
  .art:hover{border-color:var(--cyan);box-shadow:0 20px 48px rgba(13,91,168,.16);transform:translateY(-3px)}
  .art .thumb{position:relative;overflow:hidden;background:#e8f0f8;min-height:196px}
  .art .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.4s}
  .art:hover .thumb img{transform:scale(1.05)}
  .art .bd{padding:24px 26px;display:flex;flex-direction:column}
  .art h2{font-size:19px;font-weight:800;line-height:1.5;transition:.2s}
  .art:hover h2{color:var(--blue)}
  .art p{font-size:14px;color:var(--ink-2);line-height:1.85;margin-top:12px}
  .art .meta{
    margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
    font-family:var(--mono);font-size:12px;color:#93a5b8;
  }
  .art .meta .go{margin-left:auto;font-family:"Microsoft YaHei",sans-serif;font-size:13.5px;font-weight:700;color:var(--blue)}
  .art .meta .go::after{content:" →"}

  /* 分页 */
  .pagebar{margin-top:38px;display:flex;justify-content:center}
  .pagebar .pagination{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center}
  .pagebar a,.pagebar span{
    display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;
    border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;transition:.2s;
  }
  .pagebar a:hover{border-color:var(--cyan);color:var(--blue)}
  .pagebar .active,.pagebar a.active{background:linear-gradient(135deg,#0d5ba8,#1a7fd4);color:#fff;border-color:transparent;font-weight:700}
  .nodata{padding:70px 0;text-align:center;color:#93a5b8;font-size:15px}

  /* 文章 / 单页正文 */
  .pagebody .head{text-align:center;margin-bottom:34px}
  .pagebody .head h1{font-size:30px;font-weight:800;line-height:1.45;letter-spacing:.5px}
  .pagebody .head .meta{
    margin-top:14px;font-family:var(--mono);font-size:12.5px;color:#93a5b8;
    display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
  }
  .pagebody .head .meta b{color:var(--blue);font-weight:600}
  .articlebox{border-top:1px solid var(--line);padding-top:34px}
  .articlebox h2{font-size:21px;font-weight:800;margin:34px 0 14px;padding-left:14px;position:relative;line-height:1.5}
  .articlebox h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:linear-gradient(180deg,#2ee6ff,#1a7fd4)}
  .articlebox h3{font-size:17.5px;font-weight:750;margin:26px 0 12px}
  .articlebox h4{font-size:16px;font-weight:750;margin:22px 0 10px}
  .articlebox p{font-size:16px;line-height:2;color:#33455a;margin:0 0 18px}
  .articlebox a{color:var(--blue);text-decoration:underline}
  .articlebox strong{font-weight:800;color:var(--ink)}
  .articlebox ul,.articlebox ol{margin:0 0 18px;padding-left:24px}
  .articlebox li{font-size:16px;line-height:2;color:#33455a;margin-bottom:8px}
  .articlebox img{max-width:100%;height:auto;margin:20px 0;border:1px solid var(--line)}
  .articlebox table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
  .articlebox th,.articlebox td{border:1px solid var(--line);padding:11px 14px;text-align:left}
  .articlebox th{background:#f2f7fd;font-weight:750;color:var(--ink)}
  .articlebox blockquote{
    margin:20px 0;padding:16px 22px;background:#f5f9fe;border-left:4px solid var(--blue-2);color:#41546a;font-size:15.5px;
  }
  .articlebox hr{border:0;border-top:1px solid var(--line);margin:30px 0}

  .relbox{margin-top:44px;border-top:1px solid var(--line);padding-top:26px;display:grid;gap:12px}
  .relbox a{
    display:flex;gap:12px;align-items:baseline;font-size:15px;color:var(--ink-2);
    padding:12px 16px;border:1px solid var(--line);background:#fff;transition:.2s;
  }
  .relbox a:hover{border-color:var(--cyan);color:var(--blue);transform:translateX(4px)}
  .relbox a b{flex:0 0 auto;font-size:12.5px;font-family:var(--mono);color:var(--blue);font-weight:700;letter-spacing:.5px}

  .sidecard{display:grid;gap:10px}
  .sidecard h4{font-size:16px;font-weight:800;padding-left:14px;position:relative;margin-bottom:6px}
  .sidecard h4::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;background:linear-gradient(180deg,#2ee6ff,#1a7fd4)}
  .sidecard a{font-size:14.5px;color:var(--ink-2);padding:10px 14px;background:#fff;border:1px solid var(--line);transition:.2s}
  .sidecard a:hover,.sidecard a.on{border-color:var(--cyan);color:var(--blue)}

  @media (max-width:1024px){
    .art{grid-template-columns:240px 1fr}
  }
  @media (max-width:820px){
    .pagehead .wrap{padding:34px 18px 30px}
    .pagehead h1,.pagehead .ttl{font-size:26px;letter-spacing:1.5px}
    .pagehead .en{font-size:10.5px;letter-spacing:2.4px}
    .subnav .wrap{padding:12px 18px;gap:8px}
    .subnav a{padding:7px 16px;font-size:13.5px}
    .pagebody{padding:36px 0 90px}
    .art{grid-template-columns:1fr}
    .art .thumb{min-height:0;height:190px;position:relative}
    .art .bd{padding:20px}
    .art h2{font-size:17px}
    .pagebody .head h1{font-size:21px}
    .articlebox h2{font-size:18.5px}
    .articlebox p,.articlebox li{font-size:15.5px;line-height:1.95}
  }