/* 移动端适配 - 使用rem单位 */
html {
  font-size: 16px; /* 基准字体大小 */
}

/* 根据屏幕宽度动态调整根字体大小 */
@media screen and (max-width: 320px) {
  html { font-size: 14px; }
}
@media screen and (min-width: 375px) {
  html { font-size: 16px; }
}
@media screen and (min-width: 414px) {
  html { font-size: 17.5px; }
}
@media screen and (min-width: 768px) {
  html { font-size: 20px; }
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #333;
  background-color: #F8F8F8;
  line-height: 1.5;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2.75rem;
  background-color: #F8F8F8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.75rem;
  z-index: 100;
  border-bottom: 1px solid #e0e0e0;
}

.navbar-left, .navbar-right {
  width: 2.5rem;
  display: flex;
  align-items: center;
}

.navbar-back-icon {
  font-size: 1.25rem;
  color: #333;
  display: flex;
  align-items: center;
}
.navbar-back-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.navbar-title {
  flex: 1;
  text-align: center;
  font-size: 1rem;
  font-weight: 500;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 页面内容容器 */
.page-content {
  padding-top: 2.75rem; /* 导航栏高度 */
  min-height: 100vh;
  background-color: #fff;
}

/* 按钮样式 */
button {
  border: none;
  outline: none;
  background: none;
  font-size: 1rem;
  cursor: pointer;
}

/* 通用样式 */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 2rem; }