:root{--ink:#172033;--muted:#6b7486;--line:#e6eaf0;--bg:#f6f8fb;--card:#ffffff;--brand:#0f766e;--brand2:#123a68;--warn:#f59e0b;--danger:#b91c1c;--good:#15803d;--shadow:0 12px 36px rgba(17,24,39,.08);--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.45}.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px 5vw}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:-2px}.nav{display:flex;align-items:center;gap:18px}.nav 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12px;background:#fff;color:var(--ink);font:inherit}textarea{resize:vertical}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;margin-bottom:22px}.gallery-main{height:430px;border-radius:14px;overflow:hidden;background:#edf2f7;display:grid;place-items:center;color:var(--muted);font-weight:800}.thumbs,.image-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}.thumbs img{width:80px;height:80px;object-fit:cover;border-radius:10px}.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.spec-grid div{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:12px}.spec-grid strong{display:block;margin-top:4px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{border-bottom:1px solid 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var(--line);background:#fff}.alert.success{border-color:#bbf7d0;background:#f0fdf4}.alert.danger{border-color:#fecaca;background:#fef2f2}.alert.warning{border-color:#fed7aa;background:#fff7ed}.alert.info{border-color:#bfdbfe;background:#eff6ff}.empty{background:#fff;border:1px dashed #ccd4df;border-radius:16px;padding:24px;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}.steps div{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:18px}.steps strong{display:grid;place-items:center;background:var(--brand);color:#fff;width:34px;height:34px;border-radius:50%}@media(max-width:900px){.hero,.detail-layout{grid-template-columns:1fr}.stats-grid,.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filterbar,.grid2,.steps{grid-template-columns:1fr}.nav{display:none;position:absolute;top:67px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:16px 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.check-row{display:flex;align-items:center;gap:9px;font-weight:700;margin-top:14px}.check-row input{width:auto}.auth-links{display:flex;justify-content:space-between;gap:12px;margin-top:14px}.auth-links a{color:var(--brand);font-weight:800;text-decoration:none}.reset-link-box{overflow-wrap:anywhere;margin-top:14px}.btn-small.secondary{background:#172033}.topbar .nav{font-size:14px}