:root{
  --bg:#071428;
  --bg2:#0b2342;
  --card:#0d2a4f;
  --text:#eaf2ff;
  --muted:#b7c7e6;
  --line:rgba(255,255,255,.12);
  --accent:#2f7de1;
  --accent2:#49c2ff;
  --shadow: 0 12px 32px rgba(0,0,0,.35);
  --radius:18px;
  --max:1180px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:radial-gradient(1200px 600px at 10% 10%, rgba(73,194,255,.14), transparent 55%),
                               radial-gradient(900px 500px at 90% 0%, rgba(47,125,225,.18), transparent 55%),
                               linear-gradient(180deg, var(--bg), #040a14 65%, #03060d);
          color:var(--text); font-family:var(--font);}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max); margin:0 auto; padding:0 20px;}
.topbar{position:sticky; top:0; z-index:50; backdrop-filter: blur(10px);
        background:rgba(7,20,40,.62); border-bottom:1px solid var(--line);}
.nav{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 0;}
.brand{display:flex; align-items:center; gap:12px; min-width:220px;}
.brand img{height:34px; width:auto; display:block;}
.brand .wordmark{display:flex; flex-direction:column; line-height:1.1}
.brand .wordmark b{letter-spacing:.08em}
.brand .wordmark small{color:var(--muted); letter-spacing:.18em; text-transform:uppercase}
.menu{display:flex; gap:18px; flex-wrap:wrap; justify-content:center}
.menu a{color:var(--muted); padding:8px 10px; border-radius:12px; border:1px solid transparent}
.menu a.active, .menu a:hover{color:var(--text); border-color:rgba(73,194,255,.25); background:rgba(73,194,255,.06)}
.actions{display:flex; align-items:center; gap:10px;}
.lang{display:flex; align-items:center; gap:8px; padding:6px; border:1px solid var(--line); border-radius:14px; background:rgba(255,255,255,.03)}
.lang button{border:0; background:transparent; color:var(--muted); padding:8px 10px; border-radius:10px; cursor:pointer; font-weight:700}
.lang button.active{color:var(--text); background:rgba(73,194,255,.10); outline:1px solid rgba(73,194,255,.22)}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px;
     background:linear-gradient(135deg, var(--accent), var(--accent2));
     border:0; color:#041023; font-weight:800; padding:11px 14px; border-radius:14px;
     box-shadow: 0 12px 26px rgba(47,125,225,.28); cursor:pointer}
.btn.secondary{background:transparent; color:var(--text); border:1px solid rgba(73,194,255,.25); box-shadow:none}
.hero{padding:56px 0 26px; position:relative; overflow:hidden}
.heroGrid{display:grid; grid-template-columns: 1.2fr .8fr; gap:26px; align-items:stretch}
@media (max-width: 920px){.heroGrid{grid-template-columns:1fr}}
.panel{background:linear-gradient(180deg, rgba(13,42,79,.86), rgba(13,42,79,.60));
       border:1px solid rgba(255,255,255,.12); border-radius:var(--radius); box-shadow:var(--shadow);}
.heroCard{padding:26px}
.kicker{display:inline-flex; gap:10px; align-items:center; color:var(--muted); letter-spacing:.14em; text-transform:uppercase; font-size:.82rem}
.h1{font-size:2.55rem; line-height:1.08; margin:12px 0 12px; letter-spacing:-.02em}
@media (max-width: 520px){.h1{font-size:2.05rem}}
.lead{color:var(--muted); font-size:1.05rem; line-height:1.7; margin:0 0 18px}
.heroMeta{display:flex; gap:10px; flex-wrap:wrap; margin-top:16px}
.pill{display:inline-flex; align-items:center; gap:10px; padding:10px 12px; border-radius:999px;
      background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.10); color:var(--muted); font-weight:700}
.pill b{color:var(--text)}
.figure{position:relative}
.figure img{width:100%; height:100%; object-fit:cover; border-radius:var(--radius); opacity:.92; filter:contrast(1.02) saturate(1.02)}
.figure .overlay{position:absolute; inset:0; border-radius:var(--radius);
   background:linear-gradient(180deg, rgba(7,20,40,.10), rgba(7,20,40,.75) 76%, rgba(7,20,40,.92));
   border:1px solid rgba(255,255,255,.10)}
.section{padding:28px 0}
.section h2{margin:0 0 14px; font-size:1.55rem; letter-spacing:-.01em}
.section p{margin:0 0 10px; color:var(--muted); line-height:1.7}
.grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:14px}
@media (max-width: 920px){.grid{grid-template-columns:1fr}}
.card{padding:18px; border-radius:var(--radius); border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));}
.card h3{margin:0 0 6px; font-size:1.05rem}
.card p{margin:0; color:var(--muted)}
.split{display:grid; grid-template-columns: 1fr 1fr; gap:16px; align-items:start}
@media (max-width: 920px){.split{grid-template-columns:1fr}}
.mediaCard{overflow:hidden; padding:0}
.mediaCard img{width:100%; display:block}
.mediaCard .cap{padding:12px 14px; color:var(--muted); border-top:1px solid rgba(255,255,255,.10)}
.tableWrap{overflow:auto; border-radius:var(--radius); border:1px solid rgba(255,255,255,.12); background:rgba(255,255,255,.02)}
table{border-collapse:collapse; width:100%; min-width:720px}
th,td{padding:12px 12px; border-bottom:1px solid rgba(255,255,255,.10); color:var(--muted); text-align:left; font-size:.95rem}
th{color:var(--text); background:rgba(255,255,255,.03)}
tfoot td{border-bottom:0}
.footer{margin-top:30px; padding:26px 0 36px; border-top:1px solid var(--line); color:var(--muted)}
.footerGrid{display:grid; grid-template-columns:1.3fr .7fr; gap:18px}
@media (max-width: 920px){.footerGrid{grid-template-columns:1fr}}
.small{font-size:.92rem; line-height:1.7}
.badge{display:inline-flex; gap:8px; align-items:center; padding:8px 10px; border-radius:999px;
       border:1px solid rgba(73,194,255,.25); background:rgba(73,194,255,.06); color:var(--muted); font-weight:800}

/* Subtle engineering background */
body{position:relative;}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    linear-gradient(180deg, rgba(7,20,40,.88), rgba(7,20,40,.96)),
    url("https://images.unsplash.com/photo-1523848309072-c199db53f137?auto=format&fit=crop&fm=jpg&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&ixlib=rb-4.1.0&q=60&w=2400") center/cover no-repeat;
  filter:saturate(1.05) contrast(1.05);
}
/* Secondary texture layer */
body::after{
  content:"";
  position:fixed;
  inset:-40px;
  z-index:-1;
  opacity:.18;
  background:
    radial-gradient(800px 420px at 20% 15%, rgba(73,194,255,.28), transparent 60%),
    radial-gradient(900px 520px at 85% 30%, rgba(47,125,225,.25), transparent 55%),
    url("https://images.unsplash.com/photo-1503387837-b154d5074bd2?auto=format&fit=crop&fm=jpg&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&ixlib=rb-4.1.0&q=60&w=2400") center/cover no-repeat;
  mix-blend-mode:overlay;
  pointer-events:none;
}


/* Hero background enhancement */
.hero{
  background:
    linear-gradient(180deg, rgba(11,35,66,.15), rgba(7,20,40,.55)),
    url("https://images.unsplash.com/photo-1736664030187-03db650bc481?auto=format&fit=crop&fm=jpg&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&ixlib=rb-4.1.0&q=60&w=2400") center/cover no-repeat;
}