feat: 新增支付确认页面

- 创建支付确认页面组件，包含金额展示和微信支付功能
- 在应用配置中注册新页面路由
- 集成微信小程序支付逻辑，支持订单号参数传递

@@ -8,6 +8,7 @@ export default {
     'pages/mine/index',
     'pages/mine/index',
     'pages/mine-backup/index',
     'pages/mine-backup/index',
     'pages/pay-test/index',
     'pages/pay-test/index',
+    'pages/pay-confirm/index',
     'pages/pay-bridge/index',
     'pages/pay-bridge/index',
     'pages/webview-preview/index',
     'pages/webview-preview/index',
     'pages/auth/index',
     'pages/auth/index',

+export default {
+  navigationBarTitleText: '支付确认',
+}

+<template>
+  <view class="pay-confirm-page">
+    <view class="hero-panel">
+      <text class="page-title">常住随用</text>
+
+      <view class="amount-card">
+        <text class="amount-label">支付金额：</text>
+        <view class="amount-value-group">
+          <text class="amount-value">{{ display_amount }}</text>
+          <text v-if="has_amount" class="amount-unit">元</text>
+        </view>
+      </view>
+
+      <text class="blessing-text">感恩随喜~</text>
+    </view>
+
+    <view class="footer-area">
+      <text v-if="status_text" class="status-text">{{ status_text }}</text>
+
+      <button
+        class="pay-button"
+        hover-class="pay-button-hover"
+        :loading="pay_loading"
+        :disabled="!order_id || pay_loading"
+        @tap="handlePay"
+      >
+        立即支付
+      </button>
+    </view>
+  </view>
+</template>
+
+<script setup>
+import { computed, ref, watch } from 'vue'
+import { useLoad } from '@tarojs/taro'
+import { useWechatMiniPay } from '@/composables/useWechatMiniPay'
+
+const order_id = ref('')
+const amount = ref('')
+const status_text = ref('')
+
+const {
+  pay_loading,
+  last_result_text,
+  pay_by_order_id,
+} = useWechatMiniPay()
+
+const display_amount = computed(() => {
+  const normalized_amount = String(amount.value || '').trim().replace(/元$/, '').trim()
+  return normalized_amount || '--'
+})
+
+const has_amount = computed(() => display_amount.value !== '--')
+
+watch(last_result_text, (value) => {
+  if (!pay_loading.value) {
+    status_text.value = value
+  }
+})
+
+const handlePay = async () => {
+  if (!order_id.value || pay_loading.value) return
+
+  status_text.value = ''
+
+  await pay_by_order_id(order_id.value, {
+    auto_auth: true,
+    on_status: (text) => {
+      status_text.value = text
+    },
+  })
+}
+
+useLoad((options) => {
+  order_id.value = String(options?.order_id || '').trim()
+  amount.value = String(options?.amount || options?.money || '').trim()
+
+  if (!order_id.value) {
+    status_text.value = '缺少订单编号，暂时无法发起支付。'
+  }
+})
+</script>
+
+<style lang="less">
+.pay-confirm-page {
+  min-height: 100vh;
+  box-sizing: border-box;
+  padding: 0 0 calc(72rpx + env(safe-area-inset-bottom));
+  background: #fff;
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+}
+
+.hero-panel {
+  min-height: 612rpx;
+  padding: 132rpx 48rpx 88rpx;
+  box-sizing: border-box;
+  background: url('https://cdn.ipadbiz.cn/jls_weapp/images/bgg@2x.png') center top / 100% 100% no-repeat;
+}
+
+.page-title {
+  display: block;
+  text-align: center;
+  font-size: 55rpx;
+  line-height: 1.2;
+  font-weight: 600;
+  color: #2f3133;
+}
+
+.amount-card {
+  margin-top: 84rpx;
+  width: 100%;
+  min-height: 145rpx;
+  padding: 0 40rpx;
+  box-sizing: border-box;
+  background: url('https://cdn.ipadbiz.cn/jls_weapp/images/money_bg@2x.png') center / 100% 100% no-repeat;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 24rpx;
+}
+
+.amount-label {
+  flex-shrink: 0;
+  font-size: 30rpx;
+  color: #353535;
+}
+
+.amount-value-group {
+  display: flex;
+  align-items: baseline;
+  justify-content: flex-end;
+  flex: 1;
+  min-width: 0;
+  color: #252525;
+}
+
+.amount-value {
+  max-width: 100%;
+  font-size: 72rpx;
+  line-height: 1;
+  font-weight: 500;
+  text-align: right;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.amount-unit {
+  margin-left: 14rpx;
+  font-size: 30rpx;
+  line-height: 1;
+}
+
+.blessing-text {
+  display: block;
+  margin-top: 72rpx;
+  text-align: center;
+  font-size: 32rpx;
+  line-height: 1.4;
+  color: #3a3a3a;
+}
+
+.footer-area {
+  padding: 0 84rpx;
+  box-sizing: border-box;
+}
+
+.status-text {
+  display: block;
+  margin-bottom: 28rpx;
+  text-align: center;
+  font-size: 22rpx;
+  line-height: 1.7;
+  color: #8a6b45;
+}
+
+.pay-button {
+  width: 100%;
+  height: 90rpx;
+  line-height: 90rpx;
+  padding: 0;
+  border: 0;
+  border-radius: 0;
+  font-size: 34rpx;
+  font-weight: 500;
+  color: #fff6eb;
+  background: url('https://cdn.ipadbiz.cn/jls_weapp/images/btnn@2x.png') center / 100% 100% no-repeat;
+
+  &::after {
+    border: 0;
+  }
+
+  &[disabled] {
+    opacity: 0.72;
+    color: #fff6eb;
+    background: url('https://cdn.ipadbiz.cn/jls_weapp/images/btnn@2x.png') center / 100% 100% no-repeat;
+  }
+}
+
+.pay-button-hover {
+  opacity: 0.92;
+}
+</style>