:root{
  --red:#C90000;--red-dark:#A80000;--red-soft:rgba(201,0,0,.08);--ink:#1F2329;--muted:#5D6673;--soft:#8A93A0;--line:rgba(201,0,0,.12);--gray:#F6F7F9;--gray2:#F1F3F6;--shadow:0 12px 30px rgba(18,28,45,.08);--radius:18px;--header:76px
}
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@media (max-width:1180px){.page-shell{grid-template-columns:190px minmax(0,1fr);gap:20px}.header-inner{gap:14px}.nav-core a{padding:8px 13px}.grid-4{grid-template-columns:repeat(2,1fr)}}
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