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40px);left:-20px}.related-list,.feature-card{grid-template-columns:1fr}.feature-body{padding:20px}.feature-title{font-size:21px}.post-row{flex-direction:column;gap:12px}.post-thumb{aspect-ratio:16/9;width:100%}.side-col{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr;gap:24px}.page-title h1{font-size:24px}.article h1{font-size:25px}.article{padding:28px 0 64px}.site-nav{gap:18px}.header-left{gap:20px}}@media (width<=560px){.header-inner{height:56px}.brand span:last-child{display:none}.site-nav{gap:14px}.site-nav a{font-size:13px}.search-box{width:110px}.theme-dot{width:16px;height:16px}.theme-switcher{gap:6px;padding:4px 8px}.back-top{width:38px;height:38px;bottom:16px;right:16px}}