@media(max-width:768px){
.main-nav{display:none}
.main-nav.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--nav_bg,#FFF);border-bottom:1px solid var(--border,#E2E8F0);padding:16px 20px;box-shadow:0 4px 12px rgba(0,0,0,0.08);z-index:99}
.mobile-menu-btn{display:block!important}
.tools-grid,.category-page .tools-grid{grid-template-columns:1fr!important}
.footer-top{grid-template-columns:1fr!important}
.tool-embed-box iframe{min-height:450px!important}
.site-main{padding:16px!important}
.theme-grid{grid-template-columns:1fr 1fr!important}}
@media(max-width:480px){
.theme-grid{grid-template-columns:1fr!important}
.container{padding:12px!important}
.header-inner{padding:0 12px!important}
h1{font-size:1.5rem!important}
h2{font-size:1.25rem!important}}