/* FieldAI — site styles */
:root{
  --navy:#0b1f33; --navy2:#10283f; --navy3:#163452;
  --ink:#0f1e2b; --ink2:#4b5d6e; --ink3:#7a8b9a;
  --line:#e1e7ed; --bg:#ffffff; --tint:#f3f6f9;
  --pri:#0e7c86; --pri2:#0a636b; --cyan:#5fd4dc;
  --acc:#f2a516; --acc2:#de9200;
  --ok:#1a9b5b; --bad:#d64045;
  --r:12px; --r2:18px;
  --sh:0 1px 2px rgba(11,31,51,.06),0 8px 28px rgba(11,31,51,.08);
  --sh2:0 2px 4px rgba(11,31,51,.06),0 20px 50px rgba(11,31,51,.14);
  --sans:"Inter","Noto Sans TC","Microsoft JhengHei","PingFang TC",system-ui,sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Consolas,"Roboto Mono",monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:140px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}
html[lang^="zh"] body{letter-spacing:.01em}
a{color:var(--pri);text-decoration:none}
a:hover{color:var(--pri2)}
h1,h2,h3,h4{line-height:1.25;margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;text-wrap:balance}
p{margin:0 0 1em}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
.center{text-align:center;margin-top:32px}
.small{font-size:.85rem;color:var(--ink3)}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:999;background:#fff;padding:8px 12px;border-radius:6px}

/* icons */
.ic{width:24px;height:24px;flex:none}
.ic.sm{width:18px;height:18px}.ic.xs{width:15px;height:15px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 .95rem/1 var(--sans);padding:12px 20px;border-radius:8px;border:1.5px solid var(--pri);background:var(--pri);color:#fff;cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .15s;white-space:nowrap}
.btn:hover{background:var(--pri2);border-color:var(--pri2);color:#fff}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-acc{background:var(--acc);border-color:var(--acc);color:#1d1400}
.btn-acc:hover{background:var(--acc2);border-color:var(--acc2);color:#1d1400}
.btn-ghost{background:transparent;color:var(--pri)}
.btn-ghost:hover{background:rgba(14,124,134,.07);color:var(--pri2)}
.btn-ghost-w{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost-w:hover{background:rgba(255,255,255,.08);border-color:#fff}
.btn-line{background:#06c755;border-color:#06c755;color:#fff}
.btn-line:hover{background:#05a948;border-color:#05a948}
.btn-dk{background:transparent;border-color:#3b6170;color:#d6e6ec}
.btn-dk:hover:not(:disabled){background:rgba(255,255,255,.07);border-color:#7fa6b4;color:#fff}
.btn-sm{padding:9px 14px;font-size:.88rem}
.btn-lg{padding:15px 26px;font-size:1rem}

/* topbar + header */
.topbar{background:var(--navy);color:#a9bccb;font-size:.82rem}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.topbar a{color:#cfe0ea;display:inline-flex;align-items:center;gap:6px}
.topbar a:hover{color:#fff}
.tb-r{display:flex;gap:22px}
.lang{font-weight:600}
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink)}
.logo span{display:flex;flex-direction:column;line-height:1.1}
.logo b{font-size:1.25rem;font-weight:800;letter-spacing:-.02em}
.logo small{font-size:.72rem;color:var(--ink3);font-weight:600;letter-spacing:.04em}
.logo-w{color:#fff}.logo-w small{color:#8fa9b5}
.mainnav{display:flex;align-items:center;gap:6px}
.mainnav>a,.dd-btn{color:var(--ink);font:600 .95rem var(--sans);padding:10px 14px;border-radius:8px;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.mainnav>a:hover,.dd-btn:hover,.dd.open .dd-btn{background:var(--tint);color:var(--ink)}
.mainnav>a[aria-current]{color:var(--pri)}
.mainnav>a.btn{margin-left:10px;color:#1d1400;padding:11px 18px;background:var(--acc)}
.mainnav>a.btn:hover{background:var(--acc2)}
.burger{display:none;background:none;border:0;padding:8px;color:var(--ink);cursor:pointer}
.dd{position:static}.hdr-in{position:relative}
.mega{position:absolute;top:calc(100% - 6px);right:24px;width:min(860px,calc(100vw - 48px));background:#fff;border:1px solid var(--line);border-radius:var(--r2);box-shadow:var(--sh2);padding:24px;display:none;grid-template-columns:300px 1fr;gap:28px}
.dd.open .mega{display:grid}
@media (hover:hover) and (min-width:1025px){.dd:hover .mega{display:grid}.dd:hover .dd-btn{background:var(--tint)}.mega::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}}
.mega-h{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);margin:0 0 10px}
.mega-feat{display:flex;gap:14px;padding:14px;border-radius:12px;color:var(--ink);margin-bottom:8px;background:var(--tint)}
.mega-feat:hover{background:#e7eff4;color:var(--ink)}
.mega-feat .ic{color:var(--pri);width:30px;height:30px;margin-top:2px}
.mega-feat b{display:block;font-size:.98rem}
.mega-feat small{color:var(--ink2);font-size:.82rem}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;align-content:start;gap:2px 10px}
.mega-grid .mega-h{grid-column:span 2}
.mega-grid a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;color:var(--ink);font-size:.92rem;font-weight:500}
.mega-grid a:hover{background:var(--tint)}
.mega-grid a .ic{color:var(--pri)}

/* hero */
.hero{position:relative;background:var(--navy);color:#dbe7ef;overflow:hidden;padding:84px 0 0}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(900px 500px at 80% 20%,rgba(14,124,134,.45),transparent 60%),
  radial-gradient(600px 400px at 10% 100%,rgba(242,165,22,.12),transparent 60%),
  linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px) 0 0/40px 40px,
  linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px) 0 0/40px 40px}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .95fr;gap:48px;align-items:center;min-height:520px}
.kicker{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;color:var(--cyan);border:1px solid rgba(95,212,220,.35);background:rgba(95,212,220,.08);padding:6px 12px;border-radius:999px;margin:0 0 22px}
.hero h1{color:#fff;font-size:clamp(2rem,3.9vw,3.25rem);font-weight:900;line-height:1.15;margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--cyan),#9fe8a8);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.12rem;color:var(--ink2);max-width:640px}
.hero .lead{color:#a9bccb}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-art{position:relative;height:500px}
.art-card{position:absolute;background:linear-gradient(160deg,#ffffff,#e7eef3);border-radius:22px;box-shadow:0 30px 70px rgba(0,0,0,.45);padding:18px}
.art-card svg{width:100%;height:100%;display:block}
.art-ws{right:0;top:0;width:66%;height:440px}
.art-lc{left:0;bottom:30px;width:42%;height:270px}
.art-chip{position:absolute;display:flex;align-items:center;gap:8px;background:rgba(11,31,51,.9);color:#cfe0ea;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:10px 14px;font-size:.85rem;backdrop-filter:blur(6px);box-shadow:0 10px 30px rgba(0,0,0,.3)}
.art-chip b{color:#fff;font-size:1.15rem}
.art-chip.c1{left:8%;top:40px}.art-chip.c2{right:4%;bottom:0}
.dot{width:8px;height:8px;border-radius:50%;background:#36d27e;box-shadow:0 0 0 4px rgba(54,210,126,.2)}
.stats{position:relative;list-style:none;margin:56px 0 0;padding:28px 0;border-top:1px solid rgba(255,255,255,.1);display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stats b{display:block;font-size:2rem;font-weight:800;color:#fff;letter-spacing:-.02em}
.stats b small{font-size:.9rem;color:var(--cyan);margin-left:4px;font-weight:700}
.stats span{font-size:.88rem;color:#8fa9b5}

/* sections */
.sec{padding:96px 0}
.sec-tint{background:var(--tint)}
.sec-dark{background:var(--navy);color:#cfe0ea}
.sec-dark h2{color:#fff}
.sec-h{max-width:780px;margin-bottom:44px}
.sec-h h2{font-size:clamp(1.7rem,3vw,2.5rem);margin-bottom:14px}
.sec-h p{color:var(--ink2);font-size:1.06rem}
.eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--pri);margin:0 0 12px}
.sec-dark .eyebrow{color:var(--cyan)}
.tag{display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.08em;color:var(--pri2);background:#e2f2f3;padding:5px 10px;border-radius:6px;margin-bottom:14px;align-self:flex-start}
.h3{font-size:1.2rem;margin:36px 0 14px}
.note{font-size:.85rem;color:var(--ink3);margin-top:14px}

/* flagship */
.flag{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.flag-card{border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;background:#fff;box-shadow:var(--sh);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.flag-card:hover{box-shadow:var(--sh2);transform:translateY(-3px)}
.flag-img{height:300px;background:radial-gradient(circle at 50% 40%,#ffffff,#e4ecf2);display:flex;align-items:center;justify-content:center;padding:24px;border-bottom:1px solid var(--line)}
.flag-img svg{height:100%;width:auto;max-width:100%}
.flag-b{padding:30px;display:flex;flex-direction:column;flex:1}
.flag-b h3{font-size:1.55rem;margin-bottom:12px}
.flag-b>p{color:var(--ink2)}
.flag-act{display:flex;gap:10px;margin-top:auto;padding-top:10px;flex-wrap:wrap}
.ticks{list-style:none;padding:0;margin:0 0 20px}
.ticks li{display:flex;gap:10px;align-items:flex-start;padding:5px 0;color:var(--ink)}
.ticks .ic{color:var(--ok);margin-top:4px}
.ticks.cols{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 18px;color:var(--ink);display:flex;flex-direction:column;gap:6px;transition:.2s}
.tile:hover{border-color:var(--c,var(--pri));box-shadow:var(--sh);transform:translateY(-2px);color:var(--ink)}
.tile-ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 12%,#fff);color:var(--c);margin-bottom:8px}
.tile b{font-size:.98rem}
.tile small{color:var(--ink3);font-size:.8rem;line-height:1.45}

/* platform */
.plat{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.plat-art svg{width:100%;height:auto;display:block;filter:drop-shadow(0 30px 40px rgba(11,31,51,.25))}
.plat-txt h2{font-size:clamp(1.6rem,2.8vw,2.3rem);margin-bottom:14px}
.plat-txt>p{color:var(--ink2)}
.feat2{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.feat2 li{display:flex;gap:12px}
.feat2 .ic{color:var(--pri);margin-top:2px}
.feat2 b{display:block;font-size:.95rem}
.feat2 span{font-size:.85rem;color:var(--ink2)}

/* industries */
.inds{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ind{background:#fff;border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;color:var(--ink);transition:.2s;display:flex;flex-direction:column}
.ind:hover{box-shadow:var(--sh2);transform:translateY(-3px);color:var(--ink)}
.ind-img{position:relative;height:150px;background:linear-gradient(135deg,var(--navy),var(--c));overflow:hidden}
.ind-img::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px) 0 0/22px 22px,linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px) 0 0/22px 22px}
.ind-ic{position:absolute;right:22px;top:20px;width:64px;height:64px;color:#fff;opacity:.95}
.ind-wave{position:absolute;left:0;right:0;bottom:12px;width:100%;height:60px}
.ind-b{padding:22px}
.ind-b b{font-size:1.12rem;display:block;margin-bottom:6px}
.ind-b p{color:var(--ink2);font-size:.92rem;margin-bottom:12px}
.more{display:inline-flex;align-items:center;gap:6px;color:var(--pri);font-weight:700;font-size:.9rem}

/* why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why>div{padding:28px;border:1px solid var(--line);border-radius:var(--r2)}
.why .ic{width:36px;height:36px;color:var(--pri);margin-bottom:16px}
.why b{display:block;font-size:1.08rem;margin-bottom:8px}
.why p{color:var(--ink2);font-size:.93rem;margin:0}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s;border-top:1px solid rgba(255,255,255,.12)}
.steps li{counter-increment:s;padding:28px 22px 0 0;position:relative}
.steps li::before{content:"0" counter(s);display:block;font:800 2.2rem var(--mono);color:var(--acc);margin-bottom:10px}
.steps li::after{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--acc)}
.steps b{display:block;color:#fff;font-size:1.08rem;margin-bottom:6px}
.steps span{font-size:.9rem;color:#9fb4c2}

/* CTA band + footer */
.cta-band{background:linear-gradient(120deg,var(--pri2),var(--pri) 50%,#13939e);color:#e6f6f7}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 24px}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:8px}
.cta-band p{margin:0;color:#cfeef0}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.ftr{background:#071624;color:#9fb4c2;padding:64px 0 28px;font-size:.92rem}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.ftr h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.ftr a,.ftr-t{display:flex;align-items:center;gap:8px;color:#9fb4c2;padding:4px 0}
.ftr a:hover{color:#fff}
.ftr-about{margin-top:14px;max-width:320px}
.ftr-b{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:22px;font-size:.8rem;color:#6f8797}

/* product hero */
.phero{background:linear-gradient(180deg,var(--tint),#fff);padding:40px 0 64px;border-bottom:1px solid var(--line)}
.phero-in{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.phero h1{font-size:clamp(2rem,4vw,3.1rem);font-weight:900;margin-bottom:16px}
.phero-art{height:440px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 45%,#fff 0,#e6eef4 70%);border-radius:28px;padding:30px;box-shadow:inset 0 0 0 1px var(--line)}
.phero-art svg{height:100%;width:auto;max-width:100%}
.phero-s{padding-bottom:48px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.85rem;color:var(--ink3);margin-bottom:22px}
.crumbs i{font-style:normal;color:#c3ccd5}
.crumbs a{color:var(--ink2)}
.chips{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font:600 .85rem var(--mono);padding:7px 12px;border-radius:8px;background:#fff;border:1px solid var(--line);color:var(--ink)}
.subnav{position:sticky;top:72px;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.subnav-in{display:flex;align-items:center;gap:4px;height:56px;overflow-x:auto;scrollbar-width:none}
.subnav-in::-webkit-scrollbar{display:none}
.subnav a{color:var(--ink2);font-weight:600;font-size:.92rem;padding:8px 14px;border-radius:8px;white-space:nowrap}
.subnav a:hover,.subnav a.on{color:var(--pri);background:var(--tint)}
.subnav .btn{margin-left:auto;color:#1d1400}
.subnav .btn:hover{background:var(--acc2);color:#1d1400}
.diagram{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:32px;box-shadow:var(--sh)}
.diagram svg{width:100%;height:auto;display:block}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:28px}
.feat .ic{width:34px;height:34px;color:var(--pri);margin-bottom:14px}
.feat b{display:block;font-size:1.08rem;margin-bottom:8px}
.feat p{color:var(--ink2);font-size:.93rem;margin:0}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table.spec{width:100%;border-collapse:collapse;font-size:.94rem;min-width:560px}
.spec th,.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec thead th{background:var(--navy);color:#fff;font-size:.82rem;letter-spacing:.04em;font-weight:700}
.spec tbody th{font-weight:700;color:var(--ink);width:26%;background:#fafcfd}
.spec td{color:var(--ink2)}
.spec:has(thead) td:first-of-type{font-family:var(--mono);color:var(--ink)}
.incl{margin-top:8px}
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.app{border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;background:#fff;box-shadow:var(--sh)}
.scene{width:100%;height:auto;display:block}
.app-b{padding:20px}
.app-b b{display:block;font-size:1.05rem;margin-bottom:6px}
.app-b p{color:var(--ink2);font-size:.9rem;margin:0}
.flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:f}
.flow li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:26px 20px;text-align:center;box-shadow:var(--sh)}
.flow li:not(:last-child)::after{content:"";position:absolute;right:-13px;top:50%;width:10px;height:10px;border-top:2.5px solid var(--pri);border-right:2.5px solid var(--pri);transform:translateY(-50%) rotate(45deg);z-index:2}
.flow .ic{width:40px;height:40px;color:var(--pri);margin-bottom:12px}
.flow b{display:block;margin-bottom:4px}
.flow span{font-size:.86rem;color:var(--ink2)}
.cfgs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.cfg{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:30px;display:flex;flex-direction:column}
.cfg-hl{border:2px solid var(--pri);box-shadow:var(--sh2);position:relative}
.cfg-hl::before{content:"★";position:absolute;top:-14px;right:24px;background:var(--acc);color:#1d1400;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:.9rem}
.cfg-n{font:800 .85rem var(--mono);color:var(--pri);margin:0 0 6px}
.cfg h3{font-size:1.4rem;margin-bottom:8px}
.cfg>p{color:var(--ink2);font-size:.93rem}
.cfg .btn{margin-top:auto;align-self:flex-start}

/* demo (dark app) */
.demo{background:var(--navy);color:#dce8ee;border-radius:var(--r2);overflow:hidden;box-shadow:var(--sh2)}
.app-bar{display:flex;align-items:center;gap:12px;padding:12px 18px;background:#071624;border-bottom:1px solid #1e3644;font-size:.9rem}
.app-bar b{color:#fff}
.badge{font-size:.7rem;font-weight:800;letter-spacing:.06em;padding:3px 8px;border-radius:5px;background:#3d2f05;color:#ffcf5c}
.app-state{margin-left:auto;color:#9ab5c0}
.app-state.ok{color:#5fe0a0}.app-state.rec{color:#ff7b7f}
.app-body{padding:20px}
.ro-row{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:10px;margin-bottom:14px}
.ro{background:#0f2230;border:1px solid #1e3644;border-radius:10px;padding:10px 14px}
.ro small{display:block;color:#8fa9b5;font-size:.78rem}
.ro b{font-size:1.5rem;color:#fff}
.ro i{font-style:normal;color:#8fa9b5;margin-left:4px;font-size:.82rem}
.ro.big b{font-size:2.2rem;color:var(--cyan)}
.chart{width:100%;height:auto;display:block;background:#071624;border-radius:10px;border:1px solid #1e3644}
.ctrls{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px}
.hint{color:#9ab5c0;font-size:.88rem}
.report{margin-top:16px;background:#fff;color:var(--ink);border-radius:10px;padding:20px 22px}
.report h4{margin:0 0 6px}
.report table{width:100%;border-collapse:collapse;margin:10px 0;font-size:.92rem}
.report td,.report th{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left}
.report th{color:var(--ink2);font-weight:600;width:36%}
.verdict{padding:3px 10px;border-radius:6px;font-weight:700;font-size:.82rem}
.v-ok{background:#ddf5e8;color:#11663c}.v-warn{background:#fff1d6;color:#8a5a00}.v-bad{background:#fde2e3;color:#a1262b}
.wx-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:10px;margin-bottom:14px}
.wx-card{background:#0f2230;border:1px solid #1e3644;border-radius:10px;padding:12px 16px}
.wx-card small{display:block;color:#8fa9b5;font-size:.8rem}
.wx-card>b{font-size:2rem;color:#fff}
.wx-card>i{font-style:normal;color:#8fa9b5;margin-left:4px}
.wx-wind{grid-row:span 3;text-align:center;display:flex;flex-direction:column;justify-content:center}.wx-alert{grid-column:span 2}
.wx-sub{color:#9ab5c0;font-size:.84rem;margin-top:2px}
.compass{width:min(210px,100%);display:block;margin:4px auto}
.c-ring{fill:#071624;stroke:#2a4b5a;stroke-width:2}
.c-ticks line{stroke:#3d6272;stroke-width:1.5}
.c-lbl{fill:#8fa9b5;font-size:14px;font-weight:700;text-anchor:middle}
.c-arrow{fill:var(--acc)}
#cArrow{transition:transform .8s ease;transform-origin:100px 100px}
.c-val{fill:#fff;font-size:28px;font-weight:700;text-anchor:middle}
.c-unit{fill:#8fa9b5;font-size:12px;text-anchor:middle}
.bar{height:6px;background:#1e3644;border-radius:3px;margin-top:8px;overflow:hidden}
.bar span{display:block;height:100%;width:0;background:#4fb8e0;transition:width .6s}
.wx-alert b{font-size:1.3rem;color:#5fe0a0}
.wx-alert.alarm{background:#3a1416;border-color:#a1262b}
.wx-alert.alarm b{color:#ff8f93}

/* solutions page */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;cursor:pointer;font:600 .9rem var(--sans);color:var(--ink2)}
.chip:hover{border-color:var(--pri);color:var(--pri)}
.chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.sols{display:flex;flex-direction:column;gap:28px}
.sol{display:grid;grid-template-columns:1fr 1.15fr;gap:0;border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;background:#fff;box-shadow:var(--sh)}
.sol.rev .sol-img{order:2}
.sol-img{background:var(--navy);display:flex}
.sol-img .scene{height:100%;object-fit:cover}
.sol-b{padding:34px 36px}
.sol-b h3{font-size:1.5rem;margin-bottom:6px}
.sol-m{color:var(--pri);font-weight:700;font-size:.92rem}
.sol-b>p{color:var(--ink2)}
.sol-ui{display:flex;gap:8px;align-items:flex-start;background:var(--tint);border-radius:10px;padding:10px 14px;font-size:.9rem;color:var(--ink)!important}
.sol-ui .ic{color:var(--pri);margin-top:4px}
.sol-specs{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:10px;margin:16px 0}
.sol-specs div{padding:10px 14px;border-right:1px solid var(--line)}
.sol-specs div:last-child{border-right:0}
.sol-specs small{display:block;font-size:.75rem;color:var(--ink3);text-transform:uppercase;letter-spacing:.05em}
.sol-specs b{font:600 .85rem var(--mono);color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.tags span{font-size:.78rem;background:#e2f2f3;color:var(--pri2);padding:3px 10px;border-radius:999px;font-weight:600}
.custom{display:flex;align-items:center;gap:20px;margin-top:40px;padding:28px 32px;border:2px dashed #c9d6e0;border-radius:var(--r2);background:var(--tint)}
.custom>.ic{width:40px;height:40px;color:var(--pri)}
.custom>div{flex:1}
.custom b{font-size:1.1rem}
.custom p{margin:4px 0 0;color:var(--ink2)}

/* contact */
.contact{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:start}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:34px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:16px}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem}
.form input,.form textarea{font:400 1rem var(--sans);padding:12px 14px;border:1.5px solid var(--line);border-radius:8px;background:#fbfcfd;color:var(--ink)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--pri);background:#fff;box-shadow:0 0 0 4px rgba(14,124,134,.1)}
.form .invalid{border-color:var(--bad)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
fieldset{border:1.5px solid var(--line);border-radius:8px;padding:12px 16px 14px;margin:0}
legend{font-weight:600;font-size:.9rem;padding:0 4px}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:4px 14px}
.checks label{flex-direction:row;align-items:center;gap:8px;font-weight:400;font-size:.9rem;cursor:pointer;padding:3px 0}
.checks input{width:17px;height:17px;accent-color:var(--pri);padding:0}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .btn{align-self:flex-start}
.form-msg{margin:0;min-height:1.4em;font-weight:600}
.form-msg.ok{color:var(--ok)}.form-msg.err{color:var(--bad)}
.cside{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px}
.ccard{border:1px solid var(--line);border-radius:var(--r2);padding:26px;background:#fff}
.ccard h3{font-size:1.1rem;margin-bottom:14px}
.ccard>a,.crow{display:flex;gap:14px;align-items:center;padding:12px 0;border-top:1px solid var(--line);color:var(--ink)}
.ccard>a:hover{color:var(--pri)}
.ccard>a .ic,.crow .ic{color:var(--pri)}
.ccard small{display:block;color:var(--ink3);font-size:.78rem}
.about{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:center}
.about h2{font-size:clamp(1.6rem,2.8vw,2.3rem);margin-bottom:16px}
.about p{color:var(--ink2)}
.about-stats{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-stats li{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:24px}
.about-stats b{display:block;font-size:1.9rem;font-weight:800;color:var(--navy)}
.about-stats span{color:var(--ink2);font-size:.9rem}
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;font-size:1.02rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--pri)}
details[open] summary::after{content:"−"}
details p{color:var(--ink2);margin:12px 0 0}

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

/* responsive */
@media (max-width:1180px){.tiles{grid-template-columns:repeat(4,1fr)}.apps{grid-template-columns:1fr 1fr}}
@media (max-width:1024px){
  .burger{display:block}
  .mainnav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 24px;border-bottom:1px solid var(--line);box-shadow:var(--sh2);max-height:calc(100vh - 110px);overflow:auto}
  .mainnav.open{display:flex}
  .mainnav>a,.dd-btn{width:100%;justify-content:space-between;padding:14px 8px;border-bottom:1px solid var(--line);border-radius:0}
  .mainnav>a.btn{margin:14px 0 0;justify-content:center;border-radius:8px;border-bottom:0}
  .mega{position:static;width:auto;box-shadow:none;border:0;padding:8px 0;grid-template-columns:1fr;gap:12px}
  .hero-in,.phero-in,.plat,.about,.contact{grid-template-columns:1fr}
  .hero-art{height:420px;max-width:560px;width:100%;margin:0 auto}
  .flag,.cfgs{grid-template-columns:1fr}
  .inds,.feats{grid-template-columns:1fr 1fr}
  .why{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr 1fr;row-gap:28px}
  .flow{grid-template-columns:1fr 1fr 1fr;row-gap:28px}
  .flow li:nth-child(3)::after{display:none}
  .sol,.sol.rev{grid-template-columns:1fr}.sol.rev .sol-img{order:0}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .cside{position:static}
  .ro-row{grid-template-columns:1fr 1fr}.ro.big{grid-column:span 2}
  .wx-grid{grid-template-columns:1fr 1fr}.wx-wind{grid-row:auto;grid-column:span 2}
  .phero-art{height:340px}
  .cta-in{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .topbar-in>span:first-child{display:none}
  .topbar-in{justify-content:flex-end}
  .tb-r{gap:16px}
  .tb-r a:first-child{display:none}
  .sec{padding:64px 0}
  .hero{padding-top:48px}
  .hero-art{height:330px}
  .art-ws{height:300px;width:70%}.art-lc{height:180px;width:46%;bottom:10px}
  .stats{grid-template-columns:1fr 1fr}
  .stats b{font-size:1.6rem}
  .tiles{grid-template-columns:1fr 1fr}
  .inds,.feats,.why,.apps,.flow{grid-template-columns:1fr}
  .flow li::after{display:none!important}
  .steps{grid-template-columns:1fr}
  .feat2{grid-template-columns:1fr}
  .ticks.cols{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .form{padding:22px}
  .sol-b{padding:24px}
  .sol-specs{grid-template-columns:1fr}.sol-specs div{border-right:0;border-bottom:1px solid var(--line)}.sol-specs div:last-child{border-bottom:0}
  .custom{flex-direction:column;align-items:flex-start}
  .ftr-grid{grid-template-columns:1fr}
  .subnav .btn{display:none}
  .phero-art{height:280px}
  .btn-lg{padding:14px 20px}
}
/* uploaded product photos */
img.photo{width:100%;height:100%;object-fit:contain;display:block}
.flag-img img.photo,.phero-art img.photo{max-height:100%}
.art-card img.photo{object-fit:cover;border-radius:12px}
/* hero with uploaded photos: cards follow the photo's own shape, nothing cropped */
.hero-art.photos{height:auto;padding:28px 0 34px}
.hero-art.photos .art-card{position:relative;inset:auto;height:auto;padding:10px;border-radius:18px}
.hero-art.photos .art-ws{width:96%;margin-left:auto}
.hero-art.photos .art-lc{width:64%;margin-top:-6%;z-index:1}
.hero-art.photos img.photo{height:auto;object-fit:contain;border-radius:10px}
.hero-art.photos .art-card svg{height:auto;aspect-ratio:16/10}
.hero-art.photos .art-chip{z-index:2}
.hero-art.photos .art-chip.c1{left:0;top:0}
.hero-art.photos .art-chip.c2{right:0;bottom:0}
@media (max-width:1024px){.hero-art.photos{height:auto}}
@media (max-width:640px){.hero-art.photos{height:auto}.hero-art.photos .art-lc{width:74%}}
/* drone security: home wide card */
.flag-card.wide{grid-column:1/-1;flex-direction:row}
.flag-card.wide .flag-img{flex:1.25;height:auto;min-height:340px;border-bottom:0;border-right:1px solid var(--line)}
.flag-card.wide .flag-img img.photo{height:auto;max-height:420px}
.flag-card.wide .flag-b{flex:1}
.flag-img svg{max-height:100%}
/* drone page */
.phero-art.dr{padding:16px}
.zoomable{position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:100%;cursor:zoom-in}
.zoom-hint{position:absolute;right:8px;bottom:8px;display:flex;align-items:center;gap:6px;background:rgba(11,31,51,.82);color:#fff;font-size:.78rem;padding:5px 10px;border-radius:999px;opacity:.85}
.zoomable:hover .zoom-hint{opacity:1}
.flow.f8{grid-template-columns:repeat(4,1fr);row-gap:22px}
.flow.f8 li:nth-child(4)::after{display:none}
#overview .custom{margin-top:34px}
.dr-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:14px;margin-bottom:14px}
.dr-map{background:#0a1a28;border:1px solid #1e3644;border-radius:10px;overflow:hidden}
.dr-map svg{display:block;width:100%;height:auto}
.m-bg{fill:#0c1f2e}
.m-tree{fill:#14402f;opacity:.9}
.m-fence{fill:#0f2635;stroke:#3a5a6c;stroke-width:2;stroke-dasharray:3 4}
.m-road{fill:none;stroke:#1d3a4c;stroke-width:22;stroke-linejoin:round}
.m-bld{fill:#1a3a52;stroke:#2f5872;stroke-width:1.5}
.m-bl{fill:#7f9fb2;font:600 12px Inter,sans-serif;text-anchor:middle}
.m-lot{fill:none;stroke:#2f5872;stroke-dasharray:4 4}
.m-path{fill:none;stroke:#5fd4dc;stroke-width:2.5;stroke-dasharray:8 8;opacity:.75;animation:mdash 1.6s linear infinite}
@keyframes mdash{to{stroke-dashoffset:-32}}
.m-pt circle{fill:#0b1f33;stroke:#5fd4dc;stroke-width:2.5}
.m-pt text{fill:#cfe0ea;font:700 12px Inter,sans-serif;text-anchor:middle}
.m-pt.on circle{fill:#5fd4dc}
.m-dock rect{fill:#13324f;stroke:#f2a516;stroke-width:2}
.m-dock circle{fill:none;stroke:#f2a516;stroke-width:2}
.m-dock text{fill:#f2a516;font:800 12px Inter,sans-serif;text-anchor:middle}
.m-dock .m-dl{fill:#cfe0ea;font-weight:600}
.m-scan{fill:#36d27e;fill-opacity:.12;stroke:#36d27e;stroke-opacity:.5}
.m-uav rect,.m-uav circle{fill:#e6eef3;stroke:#0b1f33;stroke-width:1}
.m-uav path{stroke:#e6eef3;stroke-width:2}
.m-uav .w{fill:#0b1f33;stroke:#8fa9b5}
.m-uav .cam{fill:#0b1f33;stroke:#5fd4dc;stroke-width:1.5}
.m-uav .lt{stroke:#4f8cff;stroke-width:3;animation:mlt .5s steps(1) infinite}
@keyframes mlt{50%{stroke:#ff5a5f}}
.m-dock path{fill:#f2a516}
#dDrone.alert .m-scan{fill:#ff5a5f;stroke:#ff5a5f}
#dDrone.home .m-scan{fill:#f2a516;stroke:#f2a516}
.m-ev circle{fill:#ff5a5f;fill-opacity:.25;stroke:#ff5a5f;stroke-width:2;animation:mev 1s ease-in-out infinite alternate}
.m-ev text{fill:#ffb4b6;font:700 11px Inter,sans-serif;text-anchor:middle}
.m-ev.done circle{fill:#8fa9b5;stroke:#8fa9b5;animation:none;fill-opacity:.15}
.m-ev.done text{fill:#8fa9b5}
@keyframes mev{from{fill-opacity:.1}to{fill-opacity:.45}}
.dr-side{display:flex;flex-direction:column;gap:10px;min-width:0}
.dr-ro{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dr-ro .wide{grid-column:span 2}
.dr-st{font-size:1.15rem!important}
.dr-st.al{color:#ff8a8e!important}.dr-st.hm{color:#ffcf5c!important}.dr-st.ok{color:#5fe0a0!important}
.dr-log{background:#0f2230;border:1px solid #1e3644;border-radius:10px;padding:10px 14px;flex:1;min-height:150px}
.dr-log small{color:#8fa9b5;font-size:.78rem}
.dr-log ul{list-style:none;margin:6px 0 0;padding:0;font-size:.82rem}
.dr-log li{padding:5px 0;border-bottom:1px dashed #1e3644;color:#cfe0ea;display:flex;gap:8px;line-height:1.4}
.dr-log li:last-child{border-bottom:0}
.dr-log time{font-family:var(--mono);color:#8fa9b5;flex:none}
.dr-log li.al{color:#ffb4b6}.dr-log li.ok{color:#8fe8b8}.dr-log li.hm{color:#ffdc8a}
@media (max-width:1024px){
  .flag-card.wide{flex-direction:column}
  .flag-card.wide .flag-img{min-height:0;height:auto;border-right:0;border-bottom:1px solid var(--line)}
  .flow.f8{grid-template-columns:1fr 1fr}
  .flow.f8 li:nth-child(3)::after{display:block}
  .flow.f8 li:nth-child(2n)::after{display:none}
  .dr-grid{grid-template-columns:1fr}
}