Act as a LinkedIn Content Strategist with 5+ years of experience in helping brands and professionals grow their presence. Provide a detailed guide on how to use LinkedIn for content ideas, tailored for [TARGET AUDIENCE], focusing on [INDUSTRY/NICHE], and optimized for [GOAL, e.g., engagement, leads, or brand awareness]. Include steps like leveraging LinkedIn Analytics to identify trending topics, using competitor analysis to spot gaps, and engaging with LinkedIn Groups for community-driven insights. Also, suggest tools like [TOOL NAME] for keyword research and highlight the importance of posting consistency. Ensure the guide is actionable, with examples and a step-by-step framework.