:root{--ldsa-bg: #FCFCFD;--ldsa-surface: #F9F9FB;--ldsa-surface-hover: #F0F0F3;--ldsa-line: #D9D9E0;--ldsa-line-strong: #B9BBC6;--ldsa-ink: #1C2024;--ldsa-muted: #60646C;--ldsa-accent: var(--site-accent, #3E63DD);--ldsa-accent-hover: #3358D4;--ldsa-accent-text: #3A5BC7;--ldsa-accent-ink: #ffffff;--ldsa-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;--ldsa-sec-algorithms: #3E63DD;--ldsa-sec-algorithms-text: #3A5BC7;--ldsa-sec-data-structures: #46A758;--ldsa-sec-data-structures-text: #2A7E3B;--ldsa-sec-design-patterns: #6E56CF;--ldsa-sec-design-patterns-text: #6550B9;--ldsa-shadow: 0 1px 2px rgba(28, 32, 36, .06);--ldsa-shadow-hover: 0 2px 8px rgba(28, 32, 36, .08);--ldsa-bg-subtle: var(--ldsa-surface);--ldsa-card: var(--ldsa-surface);--ldsa-panel-2: var(--ldsa-surface-hover)}.dark{--ldsa-bg: #111113;--ldsa-surface: #18191B;--ldsa-surface-hover: #212225;--ldsa-line: #363A3F;--ldsa-line-strong: #5A6169;--ldsa-ink: #EDEEF0;--ldsa-muted: #B0B4BA;--ldsa-accent-hover: #5472E4;--ldsa-accent-text: #9EB1FF;--ldsa-sec-algorithms-text: #9EB1FF;--ldsa-sec-data-structures-text: #71D083;--ldsa-sec-design-patterns-text: #BAA7FF;--ldsa-shadow: none;--ldsa-shadow-hover: none;--ldsa-bg-subtle: var(--ldsa-surface);--ldsa-card: var(--ldsa-surface);--ldsa-panel-2: var(--ldsa-surface-hover)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:17px;line-height:1.6;color:var(--ldsa-ink);background:var(--ldsa-bg)}a{color:inherit}.ldsa-announcement{background:var(--ldsa-panel-2);color:var(--ldsa-ink);border-bottom:1px solid var(--ldsa-line);text-align:center;font-family:var(--ldsa-mono);font-size:13px;font-weight:500;padding:10px 16px}.ldsa-header{border-bottom:1px solid var(--ldsa-line);background:var(--ldsa-bg-subtle)}.ldsa-header-inner{max-width:1120px;margin:0 auto;padding:18px 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