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.site-footer{max-width:1120px;margin:auto;padding:28px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-size:14px}.site-footer>div{display:flex;gap:20px;flex-wrap:wrap}.site-footer>div>a{color:var(--ink);font-weight:550}.back-top{white-space:nowrap}.back-top:hover{color:var(--blue)}
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