:root{--brand-blue: #005a9c;--brand-blue-dark: #004a7c;--breaking-red: #e30613;--text-primary: #1a1a1a;--text-secondary: #666;--bg-white: #fff;--bg-gray: #f5f5f5;--bg-dark: #1a1a1a;--border-gray: #e0e0e0;--shadow: 0 2px 8px rgba(0,0,0,.1);--shadow-hover: 0 4px 16px rgba(0,0,0,.15);--sidebar-width: 300px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-white);color:var(--text-primary);font-size:16px;line-height:1.6}.breaking-banner{background:var(--breaking-red);color:#fff;padding:10px 20px;text-align:center;font-weight:700;font-size:14px}.breaking-banner a{color:#fff;text-decoration:underline}.ad-top{background:var(--bg-gray);padding:16px;text-align:center;border-bottom:1px solid var(--border-gray)}.ad-placeholder{background:linear-gradient(135deg,#f0f0f0 25%,#e0e0e0 25% 50%,#f0f0f0 50% 75%,#e0e0e0 75%);background-size:20px 20px;border:2px dashed 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