/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 14px;
  color: #303133;
  background-color: #f5f7fa;
}

#app {
  height: 100%;
}

/* 常用工具类 */
.text-primary {
  color: #1890ff;
}

.text-success {
  color: #52c41a;
}

.text-warning {
  color: #faad14;
}

.text-danger {
  color: #f5222d;
}

.text-info {
  color: #909399;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.items-center {
  align-items: center;
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.mb-10 {
  margin-bottom: 10px;
}

.mt-10 {
  margin-top: 10px;
}

.mr-10 {
  margin-right: 10px;
}

.ml-10 {
  margin-left: 10px;
}

.p-10 {
  padding: 10px;
}

.py-10 {
  padding-top: 10px;
  padding-bottom: 10px;
}

.px-10 {
  padding-left: 10px;
  padding-right: 10px;
}

/* 响应式工具类 */
@media (max-width: 768px) {
  .hidden-xs {
    display: none !important;
  }
}

@media (min-width: 768px) and (max-width: 992px) {
  .hidden-sm {
    display: none !important;
  }
}

@media (min-width: 992px) and (max-width: 1200px) {
  .hidden-md {
    display: none !important;
  }
}

@media (min-width: 1200px) {
  .hidden-lg {
    display: none !important;
  }
}