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@media(max-width:430px){.header-actions{gap:4px}.header-actions .download-btn{max-width:94px}.mobile-menu-btn{padding:0 10px}.hero h1{font-size:36px}.hero-sub{font-size:17px}.footer-grid{grid-template-columns:1fr}.security-band{padding:52px 0}.article-body h2{font-size:26px}.maintenance-box{padding:26px}.maintenance-box h1{font-size:30px}}