/* ========================================
  三要素查询系统 - 白色风格
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-main: #f0f2f5;
  --bg-card: #ffffff;
  --bg-input: #f5f7fa;
  --accent: #4361ee;
  --accent-hover: #3a56d4;
  --text-primary: #1a1a2e;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
}

/* ======== 页面切换 ======== */
.page {
  display: none;
}
.page.active {
  display: flex;
}

/* ======== 登录页面 ======== */
#login-page {
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 50%, #c7d2fe 100%);
}

.login-container {
  width: 420px;
  padding: 40px;
  background: var(--bg-card);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header .logo-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.login-header h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.login-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* ======== 表单通用 ======== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.required {
  color: var(--accent);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  font-size: 16px;
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  padding: 12px 14px 12px 40px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

input::placeholder {
  color: #9ca3af;
}

/* ======== 按钮 ======== */
.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  padding: 8px 20px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-secondary:hover {
  background: var(--accent);
  color: #fff;
}

.btn-logout {
  padding: 6px 16px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-logout:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ======== 复选框 ======== */
.remember-me {
  margin-top: -8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

/* ======== 错误提示 ======== */
.error-msg {
  color: var(--error);
  font-size: 13px;
  margin-top: 10px;
  text-align: center;
  min-height: 20px;
}

/* ======== 主页面布局 ======== */
#main-page {
  min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: 220px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.04);
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-header .logo-icon {
  font-size: 28px;
}

.sidebar-menu {
  list-style: none;
  padding: 12px 0;
  flex: 1;
}

.menu-item {
  padding: 12px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.menu-item:hover {
  background: rgba(67, 97, 238, 0.06);
  color: var(--text-primary);
}

.menu-item.active {
  background: rgba(67, 97, 238, 0.08);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
}

.menu-icon {
  font-size: 18px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* 主内容区 */
.main-content {
  margin-left: 220px;
  flex: 1;
  padding: 24px;
}

.top-bar {
  margin-bottom: 24px;
}

.top-bar h2 {
  font-size: 20px;
  font-weight: 600;
}

/* ======== 卡片 ======== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* ======== 查询表单 ======== */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.form-row-single {
  grid-template-columns: 1fr;
  max-width: 400px;
}

.query-card .btn-primary {
  width: auto;
  min-width: 160px;
  padding: 10px 32px;
}

/* ======== 查询结果 ======== */
.result-box {
  margin-top: 20px;
  padding: 16px;
  background: var(--bg-input);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.result-box h4 {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.result-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
}

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

.result-label {
  color: var(--text-secondary);
}

.result-value {
  font-weight: 500;
}

.result-value.success {
  color: var(--success);
}

.result-value.error {
  color: var(--error);
}

/* ======== API配置 ======== */
.api-card .form-group {
  margin-bottom: 14px;
}

.api-card input {
  width: 100%;
  max-width: 500px;
  padding: 10px 14px;
}

.status-text {
  font-size: 12px;
  margin-left: 12px;
}

.status-text.success {
  color: var(--success);
}

.status-text.error {
  color: var(--error);
}

/* ======== 表格 ======== */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  background: var(--bg-input);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

thead th.sortable {
  cursor: pointer;
  user-select: none;
  transition: color 0.2s, background 0.2s;
}

thead th.sortable:hover {
  color: var(--accent);
  background: rgba(67, 97, 238, 0.06);
}

thead th.sortable.sorted {
  color: var(--accent);
}

.sort-icon {
  font-size: 11px;
  margin-left: 4px;
  opacity: 0.4;
}

thead th.sorted .sort-icon {
  opacity: 1;
}

/* ======== 表头筛选 ======== */
.th-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.th-content > span {
  font-size: 13px;
  white-space: nowrap;
}

.th-filter {
  padding: 5px 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 11px;
  outline: none;
  cursor: pointer;
  min-width: 90px;
  font-weight: 400;
}

.th-filter:focus {
  border-color: var(--accent);
}

.th-filter-input {
  padding: 5px 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 11px;
  outline: none;
  width: 100%;
  min-width: 80px;
  font-weight: 400;
  cursor: text;
}

.th-filter-input:focus {
  border-color: var(--accent);
}

.th-filter-input::placeholder {
  color: #b0b0b0;
}

tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
  background: rgba(67, 97, 238, 0.04);
}

.empty-row {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 16px !important;
}

/* ======== 类型徽章 ======== */
.type-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}

.badge-three {
  background: rgba(67, 97, 238, 0.1);
  color: var(--accent);
}

.badge-mobile {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.badge-idv {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.badge-two {
  background: rgba(6, 182, 212, 0.1);
  color: #0891b2;
}

.badge-empty {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

/* ======== 空号检测错误展示 ======== */
.empty-error-box {
  text-align: center;
  padding: 30px 20px;
}

.empty-error-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.empty-error-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--error);
  margin-bottom: 8px;
}

.empty-error-detail {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.empty-error-hint {
  font-size: 12px;
  color: var(--text-muted, #9ca3af);
  margin-top: 8px;
}

/* ======== 历史记录头部 & 筛选 ======== */
.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.history-header h3 {
  margin-bottom: 0;
}

.history-header .btn-secondary {
  white-space: nowrap;
}

.history-filters {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--bg-input);
  border-radius: 8px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-group label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.filter-group select,
.filter-group input {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  min-width: 140px;
}

.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--accent);
}

.filter-group select {
  cursor: pointer;
  appearance: auto;
}

.filter-info {
  margin-left: auto;
  align-self: center;
}

.filter-info span {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ======== 内容页面切换 ======== */
.content-page {
  display: none;
}

.content-page.active {
  display: block;
}

/* ======== Toast 提示 ======== */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 24px;
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  z-index: 9999;
  animation: slideIn 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.toast.success { background: var(--success); }
.toast.error { background: var(--error); }
.toast.warning { background: var(--warning); color: #333; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ======== 管理面板 ======== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
}

.stat-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.admin-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.admin-tab {
  padding: 8px 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.admin-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.admin-table-wrapper {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table th,
.admin-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.admin-table th {
  background: var(--bg-input);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
}

.admin-table tbody tr:hover {
  background: rgba(67, 97, 238, 0.03);
}

.btn-small {
  padding: 4px 12px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 12px;
  margin-right: 4px;
  transition: opacity 0.2s;
}

.btn-small:hover { opacity: 0.85; }

.btn-approve {
  background: var(--success);
  color: #fff;
}

.btn-reject {
  background: var(--error);
  color: #fff;
}

.recharge-form {
  background: var(--bg-input);
  border-radius: 10px;
  padding: 20px;
}

.recharge-form select,
.recharge-form input[type="number"],
.recharge-form input[type="text"] {
  padding: 12px 14px;
  background: #ffffff;
  border: 1px solid var(--border-color);
}

.recharge-form select {
  appearance: auto;
  -webkit-appearance: auto;
}

.pricing-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

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

.pricing-label {
  font-weight: 600;
  font-size: 14px;
  min-width: 100px;
}

.pricing-input-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pricing-input {
  width: 80px;
  padding: 6px 8px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  text-align: center;
  font-size: 14px;
}

.price-tag {
  display: inline-block;
  background: rgba(67, 97, 238, 0.1);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 6px;
}

.desktop-balance {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
}

.mobile-balance {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-right: 8px;
}

.mobile-top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.balance-error {
  color: var(--error);
  text-align: center;
  padding: 20px;
  font-size: 15px;
  background: rgba(239, 68, 68, 0.06);
  border-radius: 8px;
  margin: 10px 0;
}

.login-footer {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

.login-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.login-footer a:hover {
  text-decoration: underline;
}

.success-msg {
  color: var(--success);
  font-size: 14px;
  text-align: center;
  margin-top: 10px;
}

/* ======== 移动端底部导航栏 ======== */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
  z-index: 1000;
  padding: 4px 0 env(safe-area-inset-bottom, 4px);
}

.hidden {
  display: none !important;
}

.mobile-bottom-nav.hidden {
  display: none !important;
}

.mobile-nav-list {
  display: flex;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
  padding: 0 2px;
}

.mobile-nav-list::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px 0;
  cursor: pointer;
  font-size: 10px;
  color: var(--text-secondary);
  transition: color 0.2s;
  flex: 0 0 auto;
  min-width: 56px;
  white-space: nowrap;
}

.mobile-nav-item .mobile-nav-icon {
  font-size: 20px;
  line-height: 1;
}

.mobile-nav-item.active {
  color: var(--accent);
  font-weight: 500;
}

/* 移动端顶部栏 */
.mobile-top-bar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
}

.mobile-top-bar .mobile-logo {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-top-bar .mobile-logout {
  padding: 6px 12px;
  background: transparent;
  color: var(--error);
  border: 1px solid var(--error);
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}

/* ======== 移动端响应式 (< 768px) ======== */
@media screen and (max-width: 768px) {
  /* 主页面容器 - 移动端改为纵向堆叠 */
  #main-page {
    display: block !important;
    overflow-x: hidden;
  }

  /* 隐藏桌面端侧边栏和标题栏 */
  .sidebar {
    display: none !important;
  }
  .top-bar {
    display: none !important;
  }

  /* 手机端隐藏外部API配置 */
  .api-card {
    display: none !important;
  }

  /* 手机端管理面板适配 */
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .stat-card {
    padding: 12px 8px;
  }
  .stat-icon { font-size: 22px; }
  .stat-value { font-size: 18px; }
  .stat-label { font-size: 10px; }
  .admin-table th { display: none; }
  .admin-table tr {
    display: block;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 10px;
    padding: 10px;
  }
  .admin-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px dashed var(--border-color);
    font-size: 12px;
  }
  .admin-table td:last-child { border-bottom: none; }
  .admin-table td::before {
    content: attr(data-label);
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 11px;
    margin-right: 8px;
    flex-shrink: 0;
  }
  .pricing-item {
    flex-wrap: wrap;
    gap: 8px;
  }
  .recharge-form .form-row {
    grid-template-columns: 1fr !important;
  }

  /* 显示移动端顶栏和底部导航 */
  .mobile-top-bar {
    display: flex !important;
  }
  .mobile-bottom-nav:not(.hidden) {
    display: flex !important;
  }

  /* 主内容区 */
  .main-content {
    margin-left: 0 !important;
    padding: 12px !important;
    padding-bottom: 85px !important;
  }

  /* 登录页面 */
  #login-page {
    padding: 16px;
    align-items: flex-start;
    padding-top: 50px;
  }
  .login-container {
    width: 100%;
    max-width: 400px;
    padding: 24px 18px;
    margin: 0 auto;
    border-radius: 12px;
  }
  .login-header .logo-icon { font-size: 36px; }
  .login-header h1 { font-size: 20px; }
  .login-header p { font-size: 13px; }

  /* 表单全宽 */
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .form-row-single {
    max-width: 100% !important;
  }

  /* 卡片 */
  .card {
    padding: 14px !important;
    margin-bottom: 12px !important;
    border-radius: 10px !important;
  }
  .card h3 { font-size: 15px; }
  .card-desc { font-size: 12px; margin-bottom: 14px; }

  /* 按钮 */
  .query-card .btn-primary {
    width: 100% !important;
    min-width: auto !important;
    min-height: 44px;
    font-size: 15px;
  }
  .btn-secondary {
    width: 100%;
    text-align: center;
    min-height: 40px;
  }

  /* 输入框 */
  input[type="text"],
  input[type="password"] {
    font-size: 16px !important; /* 防 iOS 缩放 */
  }
  .api-card input {
    max-width: 100% !important;
  }

  /* 结果区域 */
  .result-box { padding: 12px; }
  .result-item {
    flex-direction: column;
    gap: 2px;
    padding: 8px 0;
  }
  .result-label { font-size: 11px; }
  .result-value { font-size: 14px; }

  /* 表格 → 卡片式 */
  .table-wrapper { overflow-x: visible; }
  table { border: none !important; }
  thead { display: none !important; }
  tbody { display: block !important; }
  tr { 
    display: block !important;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 10px;
    padding: 12px;
  }
  tr:hover { background: rgba(67, 97, 238, 0.04); }
  td {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0 !important;
    border-bottom: 1px dashed var(--border-color);
    font-size: 13px;
  }
  td:last-child { border-bottom: none; }
  td::before {
    content: attr(data-label);
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 11px;
    flex-shrink: 0;
    margin-right: 12px;
  }
  .empty-row {
    display: block !important;
    text-align: center !important;
    padding: 30px 16px !important;
    border: 1px dashed var(--border-color) !important;
    border-radius: 10px;
  }
  .empty-row::before { display: none !important; }
  .empty-row td { display: block !important; border: none !important; }

  /* 筛选器 */
  .history-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .history-filters {
    flex-direction: column;
    gap: 10px;
    padding: 12px;
  }
  .filter-group { width: 100%; }
  .filter-group select,
  .filter-group input {
    width: 100% !important;
    min-width: auto !important;
    font-size: 16px !important;
  }
  .filter-info {
    margin-left: 0 !important;
    text-align: center;
    width: 100%;
  }

  /* Toast */
  .toast {
    top: 10px;
    right: 10px;
    left: 10px;
    text-align: center;
    font-size: 13px;
    padding: 10px 16px;
  }

  /* 复选框 */
  .checkbox-label { font-size: 14px; }
  .checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
  }
}

/* 超小屏 (< 375px) */
@media screen and (max-width: 374px) {
  #main-page {
    display: block !important;
  }
  .login-container { padding: 18px 12px; }
  .login-header .logo-icon { font-size: 30px; }
  .login-header h1 { font-size: 18px; }
  .main-content { padding: 10px !important; padding-bottom: 75px !important; }
  .card { padding: 12px !important; }
  .mobile-nav-item { font-size: 9px; min-width: 44px; }
  .mobile-nav-item .mobile-nav-icon { font-size: 18px; }
  td { font-size: 12px; }
}

/* ======== 客户自助充值 ======== */
.recharge-packages {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.package-card {
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.package-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(67, 97, 238, 0.15);
}

.package-card.selected {
  border-color: var(--accent);
  background: rgba(67, 97, 238, 0.06);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

.package-tag {
  position: absolute;
  top: 8px;
  right: -28px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 28px;
  transform: rotate(45deg);
}

.package-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.package-amount {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  margin: 8px 0;
}

.package-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.recharge-confirm {
  margin-top: 20px;
  text-align: center;
}

.recharge-confirm .btn-primary {
  min-width: 200px;
  font-size: 16px;
  padding: 14px 32px;
}

/* ======== 邀请有礼 ======== */
.invite-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0;
}

.invite-stats .stat-item {
  background: var(--bg-input);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
}

.invite-stats .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}

.invite-stats .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.invite-code-box {
  background: var(--bg-input);
  border-radius: 12px;
  padding: 20px;
}

.invite-code-display {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 6px;
}

.invite-code-display span {
  flex: 1;
  font-size: 18px;
  font-weight: 700;
  font-family: monospace;
  letter-spacing: 2px;
  color: var(--accent);
}

.btn-sm {
  padding: 6px 12px !important;
  font-size: 12px !important;
  min-height: auto !important;
}

/* 移动端充值/邀请适配 */
@media screen and (max-width: 768px) {
  .recharge-packages {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .package-card {
    padding: 16px 12px;
  }
  .package-amount {
    font-size: 26px;
  }
  .invite-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .invite-stats .stat-item {
    padding: 14px 8px;
  }
  .invite-stats .stat-num {
    font-size: 22px;
  }
  .invite-code-display span {
    font-size: 14px;
  }
  .recharge-confirm .btn-primary {
    width: 100%;
    min-width: auto;
  }
}

/* ======== 支付二维码弹窗 ======== */
.qr-pay-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.qr-pay-modal {
  background: var(--bg-card);
  border-radius: 16px;
  width: 90%;
  max-width: 360px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.qr-pay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.qr-pay-header h3 {
  margin: 0;
  font-size: 18px;
  color: var(--text-primary);
}

.qr-pay-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s;
}

.qr-pay-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.qr-pay-body {
  padding: 24px 20px;
  text-align: center;
}

.qr-pay-amount {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.qr-code-wrapper {
  display: inline-block;
  padding: 12px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  margin-bottom: 12px;
}

.qr-code-wrapper canvas {
  display: block;
  width: 200px;
  height: 200px;
}

.qr-pay-tip {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.qr-pay-expire {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.qr-pay-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 8px;
}

.qr-pay-actions .btn-secondary {
  min-width: 100px;
}

.qr-pay-actions .btn-primary {
  min-width: 120px;
}

.qr-pay-status {
  font-size: 13px;
  min-height: 20px;
}