header {
  background: #fff;
}
header .nav nav ul li a {
  position: relative;
  white-space: nowrap;
  color: #000;
}
header .nav .phone {
  border: 1px solid #000;
}
header .nav .phone span {
  color: #000;
}
header .nav .Language select {
  background-image: url("/imgs/jt2.png");
  /* 代替为自界说箭头图像 */
  color: #000;
}
<!--耗时1794241852.5195秒-->