@charset "utf-8";
/*内容-侧边悬浮*/
.fd {
  width: 66px;
  height: 313px;
  position: fixed;  /* 改为fixed定位 */
  z-index: 699;
  right: 106px;    /* 用right替代margin-right */
  top: 140px;      /* 保持与视口顶部的距离 */
  margin: 0;       /* 清除原有margin */
  float: none;     /* fixed定位不需要float */
}
@media all and (min-device-width:1440px) and (max-device-height:900px){.fd{ margin: 130px -66px 0 0;}}
@media all and (min-device-width:1920px) and (max-device-height:1080px){.fd{ margin: 130px -260px 0 0;}}
@media all and (min-device-width:2560px) and (max-device-height:1440px){.fd{ margin: 130px -166px 0 0;}}