.header{margin:0 auto;max-width:1920px;height:150px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.header .logo{margin-left:120px}.header .logo-img{width:180px}.header .nav{margin-top:40px;margin-right:85px;display:-webkit-box;display:-ms-flexbox;display:flex}.header .nav .nav-item{width:97px;height:20px;border-right:1px solid #ddd;text-align:center;font-weight:400;margin:0;padding:0}.header .nav .nav-text{text-decoration:none;color:#666;font-size:18px;line-height:20px;text-align:center;cursor:pointer}@media screen and (max-width:768px){.header{height:1.5rem}.header .logo{margin-left:.5rem}.header .logo-img{width:1.8rem;background-size:100%}.header .nav{margin-top:.7rem;margin-right:0;font-size:.54rem}.header .nav .nav-item{width:1.2rem;height:.4rem}.header .nav .nav-text{line-height:.4rem;font-size:.3rem}}