/** @Author: gentleknife* @Date:   2019-10-15 10:53:28* @Last Modified time: 2019-05-17 16:05:04*/@keyframes godown{0%{margin-top:0;}25%{margin-top:-10px;}50%{margin-top:10px;}75%{margin-top:0;}100%{margin-top:0;}}@-moz-keyframes godown /* Firefox */{0%{margin-top:0;}25%{margin-top:-10px;}50%{margin-top:10px;}75%{margin-top:0;}100%{margin-top:0;}}@-webkit-keyframes godown /* Safari 和 Chrome */{0%{margin-top:0;}25%{margin-top:-10px;}50%{margin-top:10px;}75%{margin-top:0;}100%{margin-top:0;}}@-o-keyframes godown /* Opera */{0%{margin-top:0;}25%{margin-top:-10px;}50%{margin-top:10px;}75%{margin-top:0;}100%{margin-top:0;}}@keyframes mybounce {  from,  20%,  53%,  80%,  to {    -webkit-animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);    -webkit-transform: translate3d(0, 0, 0);    transform: translate3d(0, 0, 0);  }  40%,  43% {    -webkit-animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);    -webkit-transform: translate3d(0, -5px, 0);    transform: translate3d(0, -5px, 0);  }  70% {    -webkit-animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);    -webkit-transform: translate3d(0, -3px, 0);    transform: translate3d(0, -3px, 0);  }  90% {    -webkit-transform: translate3d(0, -1px, 0);    transform: translate3d(0, -1px, 0);  }}.mybounce {  -webkit-animation-name: mybounce;  animation-name: mybounce;  -webkit-transform-origin: center bottom;  transform-origin: center bottom;}