body, html {
  margin: 0;
  padding: 0;
  height: 100%;
}
#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}
.main-container {
  flex: 1;
  display: flex;
  overflow: hidden;
}
.content {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background-color: #f0f2f5;
}
.header {
  height: 60px;
  background-color: #409EFF;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}
.logo {
  font-size: 20px;
  font-weight: bold;
}
.user-info {
  display: flex;
  align-items: center;
}
.quick-menu {
  display: flex;
  gap: 15px;
}
.quick-menu .el-link {
  color: white;
}
.sidebar {
  width: 220px;
  background-color: #545c64;
  color: white;
  overflow-y: auto;
}