:root{
  --bg:#0e1116; --bg2:#161b24; --card:#1b2230; --line:#2a3344;
  --text:#e6e9ef; --muted:#9aa6b8; --accent:#2ee6a6; --accent2:#39b0ff;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Noto Sans",sans-serif;
  line-height:1.6}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;
  align-items:center;padding:14px 20px;background:rgba(14,17,22,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.brand{font-weight:800;letter-spacing:.3px;font-size:1.05rem}
.lang-nav a{font-size:.9rem;background:var(--card);padding:8px 12px;border:1px solid var(--line);
  border-radius:999px}
main{max-width:1080px;margin:0 auto;padding:24px}
.hero{display:flex;gap:32px;flex-wrap:wrap;align-items:center;padding:24px 0 8px}
.hero-text{flex:1 1 360px}
.hero h1{font-size:2.1rem;margin:.2em 0;background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.tagline{color:var(--accent);font-weight:600;margin:.2em 0 .8em}
.intro{color:var(--muted);font-size:1.02rem}
.hero-images{flex:1 1 340px;display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.hero-images img{width:48%;max-width:240px;border-radius:14px;border:1px solid var(--line);
  background:var(--bg2);object-fit:contain}
.block{margin-top:42px}
.block h2{font-size:1.45rem;margin-bottom:16px;border-left:4px solid var(--accent);padding-left:12px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin:.3em 0 .5em;font-size:1.12rem}
.card p{color:var(--muted);margin:0}
.icon{font-size:1.8rem}
.features .card{text-align:center}
table.specs{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);
  border-radius:14px;overflow:hidden}
table.specs td{padding:14px 18px;border-bottom:1px solid var(--line);font-size:1.02rem}
table.specs tr:last-child td{border-bottom:none}
.supplier-card{background:linear-gradient(135deg,#13202b,#161b24);border:1px solid var(--line);
  border-radius:14px;padding:22px;max-width:480px}
.sup-name{font-weight:800;font-size:1.15rem;margin:.2em 0 .6em}
.supplier-card p{margin:.25em 0;color:var(--text)}
footer{border-top:1px solid var(--line);margin-top:48px;padding:24px;color:var(--muted);text-align:center}
.lang-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.lang-list a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;
  font-size:.85rem}
/* language hub */
.hub{max-width:880px;margin:40px auto;padding:0 20px;text-align:center}
.hub h1{font-size:2rem;margin-bottom:.2em}
.hub p{color:var(--muted)}
.lang-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:28px}
.lang-card{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:16px;font-weight:600;color:var(--text);transition:.15s}
.lang-card:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}
.lang-card .flag{font-size:1.6rem}
@media(max-width:720px){
  .grid2,.grid3{grid-template-columns:1fr}
  .hero h1{font-size:1.7rem}
}