/* 东非E路通充值系统样式 */
/* 基于移动端H5应用设计 */

/* ==================== 基础样式 ==================== */
:root {
  /* 丝路信号桥配色方案 */
  --primary-color: #ff6b35; /* 活力橙 - 非洲土地 */
  --secondary-color: #4a90e2; /* 科技蓝 - 信任 */
  --accent-color: #ffd700; /* 鎏金 - 华人与机遇 */
  --success-color: #2ed573;
  --warning-color: #ffa502;
  --danger-color: #ff3838;
  --info-color: #3742fa;
  --light-color: #f8f9fa;
  --dark-color: #2f3542;
  --text-color: #2b2d2f;
  --muted-color: #6c757d;
  --hover-transition: all 0.3s ease;
  --border-radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
}

* {
  box-sizing: border-box;
}

body, html {
  background: #f5f6f7;
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  height: 100%;
  overflow-x: hidden;
}

body { color: var(--text-color); }

/* 跳转到主内容的无障碍链接 */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #000;
  color: #fff;
  padding: 8px 12px;
  z-index: 2000;
}
.skip-link:focus {
  left: 8px;
}

/* 限定容器最大宽度，移除html内联样式 */
.container-480 {
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.mt-60 { margin-top: 60px; }

/* ==================== 品牌展示区域 ==================== */
.brand-showcase {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  padding: 30px 20px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.brand-showcase::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.brand-logo {
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
}

.main-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  background: transparent;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
  transition: transform 0.3s ease;
}

.main-logo:hover {
  transform: scale(1.05);
}

.brand-info {
  position: relative;
  z-index: 1;
}

.brand-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 5px 0;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  letter-spacing: 1px;
}

.brand-subtitle {
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 8px 0;
  opacity: 0.9;
  letter-spacing: 0.5px;
}

.brand-slogan {
  font-size: 14px;
  margin: 0;
  opacity: 0.8;
  font-style: italic;
  line-height: 1.4;
}

/* ==================== 顶部状态栏 ==================== */
.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: #000;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

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

.status-center {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 4px;
  background: transparent;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}

.close-btn {
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
}

.app-name {
  font-weight: 600;
  color: #fff;
}

.app-url {
  font-size: 12px;
  color: #ccc;
}

.more-btn {
  font-size: 16px;
  cursor: pointer;
}

.status-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-right i {
  font-size: 12px;
}

.battery {
  font-size: 12px;
  font-weight: 600;
}

/* ==================== 页面布局 ==================== */
.main-content {
  padding-top: 40px; /* 为顶部状态栏留出空间 */
  padding-bottom: 80px; /* 为底部导航留出空间 */
  min-height: 100vh;
  background: #f5f6f7;
}

.page {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 底部导航栏 ==================== */
.navbar.fixed-bottom {
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  z-index: 1030;
  padding: 8px 0;
}

.nav-btn {
  color: #6c757d !important;
  transition: var(--hover-transition);
  border: none;
  background: transparent;
  padding: 8px 4px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
}

.nav-btn::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-btn:hover {
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

.nav-btn:hover::after {
  width: 20px;
}

.nav-btn.active {
  color: var(--primary-color) !important;
}

.nav-btn.active::after {
  width: 30px;
}

.nav-btn i {
  font-size: 20px;
  transition: var(--hover-transition);
}

.nav-btn.active i {
  transform: scale(1.1);
}

.nav-btn .small {
  font-size: 12px;
  font-weight: 500;
}

/* ==================== 导航标签 ==================== */
.nav-tabs {
  display: flex;
  background: #fff;
  padding: 16px;
  gap: 0;
  border-bottom: 1px solid #eee;
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--hover-transition);
  color: #666;
}

.tab-item.active {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.tab-item i {
  font-size: 20px;
}

.tab-item span {
  font-size: 14px;
  font-weight: 500;
}

/* ==================== 手机号输入区域 ==================== */
.phone-input-section {
  background: #fff;
  padding: 20px 16px;
  border-bottom: 1px solid #eee;
}

/* ==================== 国家选择 ==================== */

.country-selector-title {
  font-size: 14px;
  color: var(--text-color);
  margin-bottom: 12px;
  font-weight: 500;
}

.country-selector .country-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.country-selector .country-chip {
  flex: 0 0 calc(33.333% - 6px);
  margin-bottom: 8px;
}

.country-selector {
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid #eee;
}

.country-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1.8px solid #e9ecef;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-color);
  background: #fafbfc;
  cursor: pointer;
  position: relative;
  transition: var(--hover-transition);
  min-width: 80px;
  height: 32px;
  box-sizing: border-box;
}

.country-chip.active {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(74, 144, 226, 0.1));
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
}

.country-chip.active .country-badge {
  display: none;
}

.country-badge {
  padding: 1px 4px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-color), #ffed4e);
  color: #b8860b;
  font-weight: 600;
  font-size: 9px;
  position: absolute;
  top: -3px;
  right: -8px;
  white-space: nowrap;
  min-width: 32px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(255, 215, 0, 0.3);
}

.exchange-rate-info {
  padding: 8px 16px 0;
  color: var(--muted-color);
  font-size: 12px;
}

.operator-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.operator-label {
  font-size: 14px;
  color: #666;
  font-weight: 500;
}

.operator-name {
  font-size: 16px;
  color: #333;
  font-weight: 600;
  text-transform: uppercase;
}

.phone-input-group {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 12px 16px;
}

.operator-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 60px;
  justify-content: center;
}

.operator-label {
  font-size: 12px;
  color: var(--muted-color);
  font-weight: 500;
}

.operator-name {
  font-size: 11px;
  color: var(--text-color);
  font-weight: 600;
  text-transform: uppercase;
}

.phone-input-container {
  display: flex;
  align-items: center;
  flex: 1;
  background: #fff;
  border-radius: 6px;
  border: 1px solid #e9ecef;
  overflow: hidden;
}

.phone-prefix {
  display: inline-block;
  padding: 12px 8px;
  background: #f8f9fa;
  color: var(--muted-color);
  font-weight: 600;
  font-size: 12px;
  border-right: 1px solid #e9ecef;
  min-width: 50px;
  text-align: center;
}

.phone-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 16px;
  color: #333;
  outline: none;
  padding: 12px 16px;
}

.phone-input::placeholder {
  color: #999;
}

.contact-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e9ecef;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--hover-transition);
}

.contact-btn:hover {
  background: #dee2e6;
}

.contact-btn i {
  font-size: 14px;
  color: #666;
}

/* ==================== 充值金额选择 ==================== */
.recharge-amounts {
  background: #fff;
  padding: 20px 16px;
}

/* ==================== 其他充值金额 ==================== */
.custom-amount-section {
  background: #fff;
  padding: 20px 16px;
  border-top: 1px solid #eee;
}

.custom-amount-title {
  font-size: 14px;
  color: var(--text-color);
  margin-bottom: 12px;
  font-weight: 500;
}

.custom-amount-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.custom-amount-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  font-size: 16px;
  outline: none;
  transition: var(--hover-transition);
}

.custom-amount-input:focus {
  border-color: var(--primary-color);
}

.custom-amount-preview {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #f8f9fa;
  border-radius: var(--border-radius);
  font-size: 14px;
}

.custom-amount-local {
  color: var(--text-color);
  font-weight: 600;
}

.custom-amount-cny {
  color: #0ea5e9;
  font-weight: 600;
}

.amount-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.amount-item {
  background: #f8f9fa;
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: var(--hover-transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.amount-item:hover,
.amount-item.selected {
  border-color: var(--primary-color);
  background: #fff;
  box-shadow: 0 4px 12px rgba(255, 71, 87, 0.15);
  transform: translateY(-2px);
}

.amount-local {
  font-size: 16px;
  font-weight: 700;
  color: #333;
  margin-bottom: 4px;
}

.amount-cny {
  font-size: 14px;
  color: #0ea5e9;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.exchange-icon {
  font-size: 12px;
  color: #6b7280;
  opacity: 0.7;
}

/* ==================== 充值按钮 ==================== */
.recharge-action {
  background: #fff;
  padding: 20px 16px;
  border-bottom: 1px solid #eee;
}

.btn-recharge {
  width: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  border: none;
  border-radius: var(--border-radius);
  padding: 16px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--hover-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn-recharge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-recharge:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-recharge:hover:not(:disabled)::before {
  left: 100%;
}

.btn-recharge:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-recharge i {
  font-size: 18px;
}

/* ==================== 优惠活动 ==================== */
.promotion-banner {
  background: linear-gradient(135deg, var(--accent-color), #ffed4e);
  margin: 16px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.promotion-content {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 12px;
}

.promotion-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.promotion-icon i {
  color: #fff;
  font-size: 18px;
}

.promotion-text {
  flex: 1;
}

.promotion-title {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}

.promotion-btn {
  background: #fff;
  color: var(--primary-color);
  border: none;
  border-radius: var(--border-radius);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--hover-transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.promotion-btn:hover {
  background: #f8f9fa;
  transform: translateY(-1px);
}

/* ==================== 注意事项 ==================== */
.warning-text {
  text-align: center;
  color: #666;
  font-size: 12px;
  padding: 16px;
  background: #fff;
  margin: 0 16px;
  border-radius: var(--border-radius);
}

/* ==================== 运营商信息 ==================== */
.carrier-info {
  background: #fff;
  margin: 16px;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.carrier-section {
  padding: 16px;
  border-bottom: 1px solid #eee;
}

.carrier-section:last-child {
  border-bottom: none;
}

.carrier-name {
  font-size: 16px;
  font-weight: 700;
  color: #333;
  margin-bottom: 12px;
}

.carrier-codes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.code-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.code-value {
  font-size: 14px;
  color: #333;
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

/* ==================== 底部客服栏 ==================== */
.customer-service-bar {
  position: fixed;
  bottom: 80px; /* 调整位置，避免与底部导航重叠 */
  left: 0;
  right: 0;
  background: #2f3542;
  color: #fff;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

.service-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.service-text {
  font-size: 14px;
  color: #fff;
}

.copy-btn {
  color: var(--primary-color);
  font-size: 12px;
  cursor: pointer;
  font-weight: 600;
}

.nav-arrows {
  display: flex;
  gap: 16px;
}

.nav-arrows i {
  font-size: 16px;
  cursor: pointer;
  transition: var(--hover-transition);
}

.nav-arrows i:hover {
  color: var(--primary-color);
}

/* ==================== 浮动按钮 ==================== */
.floating-btn {
  position: fixed;
  right: 16px;
  bottom: 160px; /* 调整位置，避免与客服栏重叠 */
  background: var(--primary-color);
  color: #fff;
  padding: 12px 16px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(255, 71, 87, 0.3);
  transition: var(--hover-transition);
  z-index: 999;
}

.floating-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 71, 87, 0.4);
}

.floating-btn i {
  font-size: 16px;
}

/* ==================== 支付选择模态框 ==================== */
.payment-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.payment-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--hover-transition);
}

.payment-option:hover,
.payment-option.selected {
  border-color: var(--primary-color);
  background: rgba(255, 71, 87, 0.05);
}

.payment-option i {
  font-size: 24px;
}

.payment-option span {
  font-size: 16px;
  font-weight: 500;
}

/* ==================== 卡片样式 ==================== */
.card {
  border-radius: var(--border-radius);
  border: none;
  box-shadow: var(--shadow);
  transition: var(--hover-transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
  border-bottom: none;
}

/* ==================== 订单列表样式 ==================== */
.order-list {
  max-height: 60vh;
  overflow-y: auto;
}

.order-item {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary-color);
  transition: var(--hover-transition);
}

.order-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}

.order-item.success {
  border-left-color: var(--success-color);
}

.order-item.failed {
  border-left-color: var(--danger-color);
}

.order-item.pending {
  border-left-color: var(--warning-color);
}

.order-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.order-id {
  font-weight: 600;
  color: var(--dark-color);
}

.order-status {
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.order-status.success {
  background: rgba(46, 213, 115, 0.1);
  color: var(--success-color);
}

.order-status.failed {
  background: rgba(255, 56, 56, 0.1);
  color: var(--danger-color);
}

.order-status.pending {
  background: rgba(255, 165, 2, 0.1);
  color: var(--warning-color);
}

.order-details {
  font-size: 0.9rem;
  color: #6c757d;
}

.order-amount {
  font-weight: 600;
  color: var(--success-color);
}

/* ==================== 加载和模态框样式 ==================== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.loading-content {
  text-align: center;
  color: #fff;
}

.modal-content {
  border-radius: var(--border-radius);
  border: none;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: none;
  padding: 24px 24px 0;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  border-top: none;
  padding: 0 24px 24px;
}

/* ==================== 用户信息卡片样式 ==================== */
.avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--info-color));
  border-radius: 50%;
  color: #fff;
}

/* ==================== 列表组样式 ==================== */
.list-group-item {
  border: none;
  border-bottom: 1px solid #e9ecef;
  padding: 16px 20px;
  transition: var(--hover-transition);
}

.list-group-item:last-child {
  border-bottom: none;
}

.list-group-item:hover {
  background: #f8f9fa;
  transform: translateX(4px);
}

.list-group-item i {
  width: 20px;
  text-align: center;
}

/* ==================== 手风琴样式 ==================== */
.accordion-button {
  border: none;
  background: transparent;
  padding: 16px 20px;
  font-weight: 600;
  color: var(--dark-color);
}

.accordion-button:not(.collapsed) {
  background: rgba(255, 71, 87, 0.05);
  color: var(--primary-color);
}

.accordion-button:focus {
  box-shadow: none;
  border: none;
}

.accordion-item {
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  margin-bottom: 8px;
}

/* ==================== 按钮样式 ==================== */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  padding: 12px 24px;
  transition: var(--hover-transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), #ff6b6b);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color), #22b36a);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn:disabled {
  transform: none;
  box-shadow: none;
}

/* ==================== 表单样式 ==================== */
.form-control {
  border-radius: var(--border-radius);
  border: 2px solid #e9ecef;
  padding: 12px 16px;
  font-size: 1rem;
  transition: var(--hover-transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 71, 87, 0.25);
}

.input-group-text {
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  border: 2px solid #e9ecef;
  border-right: none;
  background: #f8f9fa;
  font-weight: 600;
  color: #495057;
}

.input-group .form-control {
  border-left: none;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  
  .amount-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  
  .amount-item {
    padding: 12px 8px;
  }
  
  .amount-ugx {
    font-size: 14px;
  }
  
  .amount-cny {
    font-size: 12px;
  }
  
  .btn-lg {
    padding: 14px 24px;
    font-size: 1rem;
  }
  
  .nav-btn {
    padding: 6px 2px;
  }
  
  .nav-btn i {
    font-size: 18px;
  }
  
  .nav-btn .small {
    font-size: 10px;
  }
}

@media (max-width: 480px) {
  .status-bar {
    padding: 6px 12px;
    font-size: 12px;
  }
  
  .nav-tabs {
    padding: 12px;
  }
  
  .tab-item {
    padding: 8px;
  }
  
  .tab-item i {
    font-size: 18px;
  }
  
  .tab-item span {
    font-size: 12px;
  }
  
  .phone-input-section {
    padding: 16px 12px;
  }
  
  .recharge-amounts {
    padding: 16px 12px;
  }
  
  .amount-grid {
    gap: 6px;
  }
  
  .amount-item {
    padding: 10px 6px;
  }
  
  .amount-ugx {
    font-size: 12px;
  }
  
  .amount-cny {
    font-size: 10px;
  }
  
  .promotion-banner {
    margin: 12px;
  }
  
  .promotion-content {
    padding: 12px;
  }
  
  .carrier-info {
    margin: 12px;
  }
  
  .customer-service-bar {
    padding: 10px 12px;
  }
  
  .floating-btn {
    right: 12px;
    padding: 10px 14px;
    font-size: 12px;
  }
  
  .form-control {
    padding: 10px 12px;
    font-size: 0.9rem;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

/* ==================== 动画效果 ==================== */
@keyframes slideInUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

/* ==================== 工具类 ==================== */
.text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-clamp: 2;
}

.shadow-hover {
  transition: var(--hover-transition);
}

.shadow-hover:hover {
  box-shadow: var(--shadow-lg);
}

.border-gradient {
  border: 2px solid;
  border-image: linear-gradient(45deg, var(--primary-color), var(--success-color)) 1;
}

/* ==================== 滚动条样式 ==================== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* ==================== 打印样式 ==================== */
@media print {
  .status-bar,
  .customer-service-bar,
  .floating-btn,
  .navbar,
  .btn,
  .loading-overlay {
    display: none !important;
  }
  
  .page {
    display: block !important;
    page-break-inside: avoid;
  }
}