:root{--tool-bg-color:#f8f9fa;--tool-surface-color:#fff;--tool-surface-hover:#f8f9fa;--tool-border-color:#dadce0;--tool-primary-color:#1a73e8;--tool-primary-light:#e8f0fe;--tool-text-primary:#202124;--tool-text-secondary:#5f6368;--tool-text-tertiary:#80868b;--tool-shadow-sm:0 1px 2px 0 #3c40434d,0 1px 3px 1px #3c404326;--tool-shadow-md:0 1px 3px 0 #3c40434d,0 4px 8px 3px #3c404326;--tool-radius:12px}.tool-info-strip{border-top:1px solid var(--tool-border-color);display:grid;gap:24px;grid-template-columns:repeat(3,1fr);margin-top:48px;padding-top:48px}@media(max-width:900px){.tool-info-strip{gap:20px;grid-template-columns:1fr}}.info-strip-section{background:var(--tool-surface-color);border:1px solid var(--tool-border-color);border-radius:var(--tool-radius);padding:24px;text-align:left}.info-strip-section h3{align-items:center;color:var(--tool-text-primary);display:flex;font-size:1.125rem;font-weight:500;gap:8px;margin:0 0 16px}.info-strip-section li,.info-strip-section 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h1{color:var(--tool-text-primary);font-size:2.25rem;font-weight:400;letter-spacing:-.5px;margin:0 0 16px}.tool-subtitle{color:var(--tool-text-secondary);font-size:1.125rem;line-height:1.7;margin:0 auto;max-width:680px}.tool-trust-tags-center{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:16px}.tool-container-clean{margin:0 auto;max-width:1200px;padding:40px 24px}.tool-layout-with-sidebar{align-items:stretch;display:flex;flex-direction:column;gap:32px}.tool-main-content{flex:1;min-width:0}.tool-guide-sidebar{display:flex;flex-direction:column;flex-shrink:0;gap:24px;margin-top:32px;position:static;width:100%}@media(min-width:1024px){.tool-layout-with-sidebar{align-items:flex-start;flex-direction:row}.tool-guide-sidebar{margin-top:0;position:-webkit-sticky;position:sticky;top:24px;width:320px}}.sidebar-section-clean{background:var(--tool-surface-color);border:1px solid 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