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.catalog-spec .grade-en{display:block;font-size:10px;color:#8aa0b1;font-weight:400;margin-top:3px}.sino-nav{color:#305e79}@media(max-width:760px){.header-inner nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;align-items:start}.header-inner nav .contact-link{padding:6px 7px}.header-inner nav small{font-size:8px;line-height:1.6}.catalog-spec .grade-en{font-size:11px}.catalog-spec .model small{display:block;margin-bottom:5px;font-size:9px}.catalog-spec .model{line-height:1.8}}