:root {
  --primary: #1677ff;
  --primary-dark: #0958d9;
  --primary-light: #e6f4ff;
  --success: #00b578;
  --danger: #ff3141;
  --warning: #ff8f1f;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #8c8c8c;
  --border: #f0f0f0;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.page {
  padding: 0 16px 88px;
  min-height: 100vh;
}

/* 顶部导航 */
.app-header {
  background: linear-gradient(135deg, #1677ff 0%, #0958d9 100%);
  color: #fff;
  padding: 16px 16px 20px;
  margin: 0 -16px 16px;
  border-radius: 0 0 20px 20px;
}

.app-header .brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-header .logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
}

.app-header .logo-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.country-picker {
  background: rgba(255,255,255,0.15);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  backdrop-filter: blur(4px);
}

/* 横幅 */
.hero-banner {
  background: linear-gradient(120deg, #4096ff, #69b1ff);
  color: #fff;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.hero-banner h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
}

.hero-banner p {
  margin: 0;
  font-size: 12px;
  opacity: 0.85;
}

/* 维护提示 */
.maintenance-bar {
  background: #fff7e6;
  border: 1px solid #ffd591;
  color: #d46b08;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 12px;
}

.tg-hint {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 12px;
  text-align: center;
}

/* 服务 Tab */
.service-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}
.service-tabs::-webkit-scrollbar { display: none; }

.service-tab {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--card);
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow);
}

.service-tab.active {
  background: var(--primary);
  color: #fff;
  font-weight: 500;
}

/* 输入区 */
.input-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.input-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.phone-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f5f7fa;
  border-radius: 8px;
  padding: 4px 12px;
}

.phone-input-row .dial {
  font-weight: 600;
  color: var(--primary);
  font-size: 15px;
  white-space: nowrap;
}

.phone-input-row input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 16px;
  padding: 10px 0;
  outline: none;
}

/* 运营商 */
.carrier-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 12px 0;
}

.carrier-chip {
  background: #f5f7fa;
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 10px 4px;
  text-align: center;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.carrier-chip.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* 面额 */
.section-title {
  font-size: 14px;
  font-weight: 600;
  margin: 16px 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title span {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 400;
}

.pkg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.pkg-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: var(--shadow);
}

.pkg-card.active {
  border-color: var(--primary);
  background: var(--primary-light);
}

.pkg-card .amount {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.pkg-card .unit {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.pkg-card .price {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 6px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* 支付方式 */
.pay-methods {
  background: var(--card);
  border-radius: var(--radius);
  padding: 4px 16px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}

.balance-hint {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 0 4px 8px;
}

.balance-hint strong {
  color: var(--success);
}

/* 主按钮 */
.primary-btn {
  margin-top: 8px;
}

/* 底部导航 */
.bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--card);
  display: flex;
  border-top: 1px solid var(--border);
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom, 0);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.04);
}

.nav-item {
  flex: 1;
  text-align: center;
  padding: 8px 0 6px;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.15s;
}

.nav-item .nav-icon {
  font-size: 20px;
  display: block;
  margin-bottom: 2px;
}

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

/* 统计卡片 */
.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.stat-card .label {
  font-size: 13px;
  color: var(--text-secondary);
}

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin: 4px 0;
}

.stat-row {
  display: flex;
  gap: 12px;
}

.stat-box {
  flex: 1;
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-box .num {
  font-size: 22px;
  font-weight: 700;
}

.stat-box .lbl {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* 订单列表 */
.order-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}

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

.order-card .order-no {
  font-size: 12px;
  color: var(--text-secondary);
}

.order-card .price {
  font-size: 18px;
  font-weight: 700;
  color: var(--success);
  margin-bottom: 4px;
}

.order-card .detail {
  font-size: 13px;
  color: var(--text-secondary);
}

.order-card .time {
  font-size: 11px;
  color: #bbb;
  margin-top: 6px;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}
.badge.ok { background: #e8f8ef; color: var(--success); }
.badge.fail { background: #fdecec; color: var(--danger); }
.badge.proc { background: var(--primary-light); color: var(--primary); }

/* 个人中心 */
.profile-hero {
  background: linear-gradient(135deg, #1677ff, #0958d9);
  color: #fff;
  padding: 28px 16px;
  margin: 0 -16px 16px;
  border-radius: 0 0 20px 20px;
}

.profile-hero h3 {
  margin: 0;
  font-size: 20px;
}

.profile-hero .sub {
  font-size: 13px;
  opacity: 0.8;
  margin-top: 4px;
}

.menu-list {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-size: 15px;
}

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

.menu-item .arrow {
  color: #ccc;
  font-size: 18px;
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  overflow-x: auto;
}

.filter-chip {
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: 16px;
  background: var(--card);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  border: 1px solid var(--border);
}

.filter-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* 支付弹窗 */
.pay-dialog-content {
  text-align: center;
  padding: 8px 0;
}

.pay-dialog-content .amount {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin: 12px 0;
}

.pay-dialog-content .address {
  background: #f5f7fa;
  padding: 12px;
  border-radius: 8px;
  font-size: 12px;
  word-break: break-all;
  margin: 12px 0;
  line-height: 1.6;
}

/* Vant 覆盖 */
.van-button--primary {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
}

.van-radio__icon--checked .van-icon {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
}