.big-logo{padding:0 40px;max-width:500px;margin:auto}.big-logo img{width:100%}.header[data-v-391b2709]{background:#fff;height:90px}.header>.logo[data-v-391b2709]{float:left;margin:10px}.header>.menu-item[data-v-391b2709]{float:left;margin:20px 30px}