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.main-content h1{font-size:39px;line-height:1.2;letter-spacing:-1px;font-weight:600;max-width:none;margin:0 0 25px}.product-detail h1{font-size:50px}@media(max-width:700px){.main-content h1{font-size:31px}.product-detail h1{font-size:39px}}