:root{--bg:#0b0d10;--card:#121621;--text:#e9eef7;--muted:#9aa7bd;--acc:#3db4ff;--ok:#31d17c;--err:#ff5d6c;--line:#222b3a;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:linear-gradient(180deg,#07090c, #0b0d10 25%, #0b0d10);color:var(--text)}
a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:18px}
.topbar{position:sticky;top:0;background:rgba(11,13,16,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:5}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none;font-weight:700}
.brandLogo{width:28px;height:28px;border-radius:8px;border:1px solid var(--line)}
.nav{display:flex;gap:12px;align-items:center}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center}
.btn,.btnSm{background:var(--acc);color:#001520;border:0;border-radius:10px;padding:10px 14px;text-decoration:none;font-weight:700;cursor:pointer;display:inline-block}
.btnSm{padding:8px 10px;border-radius:9px;font-size:13px}
.btnGhost{background:transparent;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 14px;text-decoration:none;display:inline-block}
.inp{width:100%;background:#0e1220;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;outline:none}
.inpSm{padding:8px 10px;font-size:13px;border-radius:9px}
.lbl{display:block;margin-top:10px;margin-bottom:6px;color:var(--muted);font-size:13px}
.card{background:linear-gradient(180deg,rgba(18,22,33,.85),rgba(18,22,33,.65));border:1px solid var(--line);border-radius:14px;padding:16px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
@media (max-width:900px){.grid2{grid-template-columns:1fr}.grid3{grid-template-columns:1fr}}
.alert{padding:10px 12px;border-radius:12px;margin:12px 0;border:1px solid var(--line)}
.alertErr{background:rgba(255,93,108,.08);border-color:rgba(255,93,108,.35)}
.alertOk{background:rgba(49,209,124,.08);border-color:rgba(49,209,124,.35)}
.muted{color:var(--muted)}
.hero{display:grid;grid-template-columns:1.3fr .7fr;gap:14px;align-items:stretch;margin-top:8px}
.hero .lead{color:var(--muted);font-size:16px;line-height:1.5}
.heroCard{background:linear-gradient(180deg,rgba(61,180,255,.16),rgba(18,22,33,.65));border:1px solid rgba(61,180,255,.35);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:12px}
.heroBtns{margin-top:14px}
.kpi{display:flex;flex-direction:column;gap:2px}
.kpiNum{font-weight:900;font-size:22px}
.kpiLbl{color:var(--muted);font-size:12px}
.badge{display:inline-block;background:#0e1220;border:1px solid var(--line);padding:5px 9px;border-radius:999px;font-size:13px}
.badgeBig{font-size:15px;padding:7px 12px}
.table{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tr{display:grid;grid-template-columns:80px 1.4fr 1fr 160px 120px;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);align-items:center}
.tr.th{background:#0e1220;font-weight:700;color:var(--muted)}
.tr:last-child{border-bottom:0}
.list{display:flex;flex-direction:column;gap:10px}
.listItem{display:block;text-decoration:none;background:#0e1220;border:1px solid var(--line);border-radius:12px;padding:12px}
.listTitle{font-weight:800;margin-bottom:6px}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.galItem{margin:0;background:#0e1220;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.galItem img{display:block;width:100%;height:160px;object-fit:cover}
.galItem figcaption{padding:8px 10px;color:var(--muted);font-size:12px}
.steps{color:var(--muted);line-height:1.6}
.footer{border-top:1px solid var(--line);margin-top:24px}
.note{margin-top:14px;color:var(--muted);padding:12px;border:1px dashed var(--line);border-radius:12px}
.kv{display:grid;grid-template-columns:140px 1fr;gap:8px;align-items:start;margin-top:8px}
.placeholder{height:220px;display:flex;align-items:center;justify-content:center;background:#0e1220;border:1px dashed var(--line);border-radius:12px;color:var(--muted)}
.pcbPreview{width:100%;max-height:260px;object-fit:contain;background:#0e1220;border:1px solid var(--line);border-radius:12px}
.gerberCanvas{width:100%;height:320px;background:#0e1220;border:1px solid var(--line);border-radius:12px;margin-top:10px}
.gerberSvg{width:100%;max-height:520px;overflow:auto;background:#0e1220;border:1px solid var(--line);border-radius:12px;margin-top:10px;padding:8px}
.gerberSvg svg{width:100%;height:auto;display:block}
.articleBody{margin-top:12px;line-height:1.7;color:var(--text)}