:root{--content-shell-bg: linear-gradient( 180deg, rgba(247, 246, 244, .82), rgba(255, 255, 255, .98) );--content-hero-bg: radial-gradient( circle at top right, rgba(0, 102, 204, .12), transparent 26% ), linear-gradient( 180deg, rgba(255, 255, 255, .96), rgba(247, 246, 244, .98) );--content-breadcrumb-bg: rgba(255, 255, 255, .82);--content-surface: rgba(255, 255, 255, .94);--content-surface-strong: #ffffff;--content-surface-soft: rgba(230, 240, 250, .42);--content-line: rgba(15, 23, 42, .08);--content-line-strong: rgba(0, 102, 204, .16);--content-shadow: 0 18px 42px rgba(15, 23, 42, .07);--content-shadow-soft: 0 10px 24px rgba(15, 23, 42, .05);--content-muted: #5f6876;--content-muted-strong: #435062;--content-accent-bg: linear-gradient( 180deg, rgba(242, 101, 34, .12), rgba(255, 255, 255, .98) );--content-code-bg: #102033;--content-code-text: #f5f7fb;--content-table-head: linear-gradient( 180deg, rgba(230, 240, 250, .92), rgba(255, 255, 255, .96) 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