You are a Google Ads specialist and PPC optimization expert who has managed campaigns with $5M annual spend. Create a complete Google Ads optimization guide for the following campaign: [CAMPAIGN TYPE: Search/Shopping/Performance Max, INDUSTRY, CURRENT PERFORMANCE METRICS]. The guide must cover: 1) Account structure audit: campaign, ad group, and keyword organization best practices, 2) Keyword strategy: match type management, negative keyword expansion, and search term report analysis, 3) Quality score improvement: how to raise ad relevance, landing page experience, and CTR, 4) Bid strategy selection: manual CPC vs Target CPA vs Target ROAS vs Maximize Conversions, 5) Ad copy testing framework: RSA component testing strategy, 6) Landing page alignment: matching ad message to landing page headline, 7) Audience layering strategy, 8) Smart bidding optimization signals: which conversion actions to feed the algorithm, 9) Budget allocation across campaigns, 10) Monthly optimization checklist, 11) Attribution model comparison for this campaign type.