page {
  background-color: #f5f7fa;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica,
    Segoe UI, Arial, Roboto, "PingFang SC", "miui", "Hiragino Sans GB",
    "Microsoft Yahei", sans-serif;
}

.container {
  padding: 16px;
  min-height: 100vh;
  box-sizing: border-box;
}

.custom-nav {
  width: 100%;
  display: flex;
  align-items: center;
  height: 44px;
  margin-top: 30px; /* Approximate status bar height */
  margin-bottom: 20px;
  position: relative;
}

.back-btn {
  position: absolute;
  left: 0;
  padding: 10px; /* Increase touch area */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.back-arrow {
  width: 10px;
  height: 10px;
  border-left: 2px solid #333;
  border-bottom: 2px solid #333;
  transform: rotate(45deg);
}

.nav-title {
  flex: 1;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: #000;
}

.header-title {
  display: none; /* Hide old title class if referenced elsewhere */
}

.logo-section {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  justify-content: flex-start;
}

.logo-icon {
  width: 24px;
  height: 24px;
  margin-right: 8px;
  border-radius: 4px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a2e;
  font-style: italic;
}

.input-section {
  width: 100%;
  background-color: #fff;
  border-radius: 12px;
  padding: 20px 16px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.id-input {
  width: 100%;
  height: 48px;
  background-color: #f5f7fa;
  border-radius: 8px;
  padding: 0 16px;
  box-sizing: border-box;
  font-size: 16px;
  color: #333;
  text-align: center;
}

.recharge-section {
  margin-bottom: 32px;
}

.section-title {
  font-size: 14px;
  color: #666;
  margin-bottom: 12px;
}

.recharge-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.recharge-item {
  width: 31%;
  background-color: #fff;
  border-radius: 12px;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid #eee;
  position: relative;
  overflow: hidden;
  margin-bottom: 10px;
  box-sizing: border-box;
}

.recharge-item.active {
  border-color: #7b68ee;
  background-color: #f8f6ff;
}

.coin-icon {
  margin-bottom: 8px;
}

.coin-img {
  width: 20px;
  height: 20px;
}

.amount {
  font-size: 20px;
  font-weight: bold;
  color: #333;
  margin-bottom: 4px;
}

.price {
  font-size: 14px;
  color: #666;
}

.action-section {
  width: 100%;
  padding: 12px;
  margin-bottom: 40px;
}

.login-btn {
  background: linear-gradient(90deg, #9f7fff, #7b68ee);
  color: white;
  border: none;
  height: 48px;
  line-height: 48px;
  font-size: 16px;
  border-radius: 24px;
  margin-bottom: 12px;
  box-shadow: 0 4px 12px rgba(123, 104, 238, 0.3);
}

.agreement-text {
  text-align: center;
  font-size: 12px;
  color: #999;
}

.link {
  color: #7b68ee;
}

.tips-section {
  padding-bottom: 30px;
}

.tips-title {
  font-size: 16px;
  font-weight: 500;
  color: #333;
  margin-bottom: 12px;
}

.tips-content {
  font-size: 12px;
  color: #888;
  line-height: 1.8;
}

.tip-line {
  margin-bottom: 4px;
}

/* Popup Styles */
.agreement-popup {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.popup-header {
  padding: 16px;
  text-align: center;
  font-weight: bold;
  border-bottom: 1px solid #eee;
  position: relative;
}

.close-btn {
  position: absolute;
  right: 16px;
  top: 16px;
  font-size: 20px;
  color: #999;
}

.agreement-content {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}