.seach input::-webkit-input-placeholder { 
    /* webkit browsers，webkit内核浏览器 */
    color: #fff;} 
    input:-moz-placeholder { 
    /* mozilla firefox 4 to 18 */ 
     color: #fff;} 
    input::-moz-placeholder { 
    /* mozilla firefox 19+ */ 
   color: #fff;} 
    input:-ms-input-placeholder { 
    /* internet explorer 10+ */ 
    color: #fff;}
/**组件样式**/
.img-lists .pic {
    width: 100%;
    height: 200px;}




@media screen and (max-width: 768px) {
   .img-lists .pic {
    width: 100%;
    height: 160px;}
}

@media screen and (max-width:480px) {
   .img-lists .pic {
    width: 100%;
    height: 110px;}
}