.g-nav li {
    margin-left: 20px;}

@media only screen and (max-width: 1680px){
.g-nav li {
    margin-left: 20px;}
}
.xxbm .down{width:140px !important;}
.xxbm .down a{    font-size: 17px !important;}
/*样式*/
.hd-t input::-webkit-input-placeholder { /* chrome/opera/safari */
    color: #ffffff;}
.hd-t input:-ms-input-placeholder { /* ie 10+ */
    color: #ffffff;}
.hd-t input:-moz-placeholder { /* firefox 18- */
    color: #ffffff;
    opacity: 1;}
.hd-t input::-moz-placeholder { /* firefox 19+ */
    color: #ffffff;
   opacity: 1;}