@font-face {

  font-family: 'HelveticaNeueLTPro-Th';

  src: url('../fonts/HelveticaNeueLTPro-Th.eot');

  src: url('../fonts/HelveticaNeueLTPro-Th.eot?#iefix') format('embedded-opentype'),

  url('../fonts/HelveticaNeueLTPro-Th.woff') format('woff'),

  url('../fonts/HelveticaNeueLTPro-Th.ttf') format('truetype'),

  url('../fonts/HelveticaNeueLTPro-Th.svg#HelveticaNeueLTPro-Th') format('svg');

  font-weight: normal;

  font-style: normal;

}

//使用

.aaaa{ font-family: "HelveticaNeueLTPro-Th"; }