/* 自定义样式 */
:root {
  --primary-color: #ff4757;
  --secondary-color: #546de5;
  --accent-color: #32be8f;
  --background-light: #f9f9f9;
  --text-color: #333;
  --border-color: #e1e1e1;
}

body {
  font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-color);
  background-color: var(--background-light);
  margin: 0;
  padding: 0;
}

/* 模拟iPhone屏幕 */
.phone-container {
  width: 375px;
  height: 812px;
  background-color: white;
  border-radius: 40px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
  display: inline-block;
  vertical-align: top;
  box-sizing: border-box;
}

/* 状态栏 */
.status-bar {
  height: 44px;
  background-color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  font-size: 12px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.status-bar .time {
  font-weight: 600;
}

.status-bar .icons {
  display: flex;
  gap: 5px;
}

/* App内容区域 */
.app-content {
  height: calc(100% - 134px);
  overflow-y: auto;
  padding: 12px;
}

/* 底部导航 */
.tab-bar {
  height: 90px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  background-color: #fff;
  position: absolute;
  bottom: 0;
  width: 100%;
  padding-bottom: 34px;
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 11px;
  color: #999;
}

.tab-item.active {
  color: var(--primary-color);
}

.tab-item i {
  font-size: 24px;
  margin-bottom: 3px;
}

/* 卡片样式 */
.card {
  background-color: white;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

/* 按钮样式 */
.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 20px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  opacity: 0.9;
}

/* 表单样式 */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
}

/* 功能图标样式 */
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  font-size: 24px;
  color: white;
}