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(max-width:1000px){.article-layout{grid-template-columns:minmax(0,1fr)}.article-sidebar{display:none}.article-nav,.post-body .def-grid,.post-body .ns-grid{grid-template-columns:1fr}}@media (max-width:640px){.post-body{font-size:16px}.post-body h2{font-size:22px;margin:36px 0 12px}.post-body h3{font-size:19px;margin:28px 0 10px}.post-body .chart-box{padding:16px 14px 12px}.post-body .chart-label{flex-wrap:wrap;gap:8px}.article-title{font-size:clamp(24px,7vw,34px)}.article-share{flex-wrap:wrap}}