body {
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  margin: 0;
  padding: 0;
}

#app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  text-align: left;  
  color: #555;  
}

.currency-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.currency {
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 16px;
  width: 125px;
  height: 55px;
  box-shadow: 0 4px 6px 0 rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.flag-name {
  display: flex;
  align-items: center;
}

.space {
  width: 8px;
}

.country-name {
  font-weight: bold;
  font-size: 0.9em;
}

.currency-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.colon {
  margin: 0 8px;
}

input {
  width: calc(100% - 8px);
  text-align: right;
  box-sizing: border-box;
}

body {
  background-color: #f3f6f1; /* 淡蓝色背景 */
}

#app {
  background-color: #ddebda; /* 白色内容区域背景 */
  border-radius: 10px; /* 圆角边框 */
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2); /* 内容区域阴影 */ 
}

.currency {
  background-color: #f3f6f1; /* 浅灰色currency块背景 */
}

.flag-name {
  color: #555; /* 深蓝色国家/地区名字颜色 */
}

.country-name {
  color: #555; /* 深蓝色国家/地区名字颜色 */  
} 

.currency-info {
  color: #555; /* 中灰色货币代码和冒号颜色 */
}

input {
  border: 1px solid #c9c9c9; /* input input框边框颜色 */
}

input:focus {
  border-color: #1b6d85; /* input获取焦点时边框颜色 */
  outline: none;
}