:root{--ink:#102033;--muted:#637083;--line:#e5eaf0;--brand:#0b6bcb;--brand2:#06a77d;--bg:#f6f8fb;--card:#fff;--shadow:0 18px 55px rgba(16,32,51,.10);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.container{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);z-index:30;border-bottom:1px solid rgba(229,234,240,.75)}.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:24px}.brand{display:flex;align-items:center;gap:14px}.brand img{width:260px;max-height:48px;object-fit:contain}.brand .logo-icon{width:44px;height:44px;object-fit:contain}.brand 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.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 30px rgba(16,32,51,.05);margin-top:18px}.spec-table{width:100%;border-collapse:collapse;min-width:720px;font-size:14px}.spec-table th,.spec-table td{border-bottom:1px solid #d7e4f3;border-right:1px solid #d7e4f3;padding:11px 12px;text-align:left;vertical-align:top}.spec-table th:last-child,.spec-table td:last-child{border-right:0}.spec-table tr:last-child td{border-bottom:0}.spec-table th{background:#1f6fb8;color:#fff;font-weight:800}.spec-table tbody tr:nth-child(odd) td{background:#eef7ff}.spec-table tbody tr:nth-child(even) td{background:#dceeff}.spec-table tbody tr:hover td{background:#beddff;transition:background .15s ease}.spec-table caption{text-align:left;padding:14px 16px;font-weight:900;font-size:18px;color:#102033}.note{color:var(--muted);font-size:13px;margin-top:10px}