.zan-btn {
  position: relative;
  color: #333;
  background-color: #fff;
  margin-bottom: 10px;
  padding-left: 15px;
  padding-right: 15px;
  border-radius: 2px;
  border: 1rpx solid #e5e5e5;
  font-size: 16px;
  line-height: 45px;
  height: 45px;
  box-sizing: border-box;
  text-decoration: none;
  text-align: center;
  vertical-align: middle;
}
.zan-btn::after {
  display: none;
}
.zan-btns {
  margin: 15px;
}

/* type */
.zan-btn--primary {
  color: #fff;
  background-color: #4b0;
  border-color: #0a0;
}

.zan-btn--warn {
  color: #fff;
  background-color: #f85;
  border-color: #f85;
}

.zan-btn--danger {
  color: #fff;
  background-color: #f44;
  border-color: #e33;
}

/* size */
.zan-btn--small {
  display: inline-block;
  height: 30px;
  line-height: 30px;
  font-size: 12px;
  margin-right: 5px;
  margin-bottom: 0;
}
.zan-btn--mini {
  display: inline-block;
  line-height: 21px;
  height: 22px;
  font-size: 10px;
  margin-right: 5px;
  margin-bottom: 0;
  padding-left: 5px;
  padding-right: 5px;
}
.zan-btn--large {
  border-radius: 0;
  margin-bottom: 0;
  border: none;
  line-height: 50px;
  height: 50px;
}

/* plain */
.zan-btn--plain.zan-btn {
  background-color: transparent;
}
.zan-btn--plain.zan-btn--primary {
  color: #06BF04;
}
.zan-btn--plain.zan-btn--warn {
  color: #FF6600;
}
.zan-btn--plain.zan-btn--danger {
  color: #FF4444;
}

/* 重写button组件的button-hover样式 */
.button-hover {
  opacity: 0.9;
}

/* loading */
.zan-btn--loading {
  color: transparent;
  opacity: 1;
}
.zan-btn--loading::before {
  position: absolute;
  left: 50%;
  top: 50%;
  content: ' ';
  width: 16px;
  height: 16px;
  margin-left: -8px;
  margin-top: -8px;
  border: 3px solid #e5e5e5;
  border-color: #666 #e5e5e5 #e5e5e5 #e5e5e5;
  border-radius: 8px;
  box-sizing: border-box;
  animation: btn-spin 0.6s linear;
  animation-iteration-count: infinite;
}
.zan-btn--primary.zan-btn--loading::before,
.zan-btn--warn.zan-btn--loading::before,
.zan-btn--danger.zan-btn--loading::before {
  border-color: #fff rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1);
}

@keyframes btn-spin {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* disabled */
.zan-btn.zan-btn--disabled {
  /* 防止样式被 button[disabled] 的规则覆盖，所以使用了important */
  color: #999 ! important;
  background: #f8f8f8 ! important;
  border-color: #e5e5e5 ! important;
  cursor: not-allowed ! important;
  opacity: 1 ! important;
}

/* :last-child */
.zan-btn--last-child,
.zan-btn:last-child {
  margin-bottom: 0;
  margin-right: 0;
}