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/* V3 readability: body copy 16+, interactive labels 14+, secondary metadata 12+. */
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@media(max-width:1023px){.sitemap-grid{grid-template-columns:1fr;gap:35px}.system-center small{font-size:12px}.system-modules strong{font-size:14px}}
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/* Keep short Chinese terms intact when headings wrap. */
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.prose a.button{color:#fff;text-decoration:none}