diff --git a/internal/biz/integration/integration_config_definition.go b/internal/biz/integration/integration_config_definition.go
index 26f9ab9..3414d1f 100644
--- a/internal/biz/integration/integration_config_definition.go
+++ b/internal/biz/integration/integration_config_definition.go
@@ -17,6 +17,31 @@ func integrationSelect(key, label string, required bool, values ...string) Integ
 	return IntegrationConfigField{Key: key, Label: label, Required: required, Type: "select", Options: options}
 }
 
+var paymentOptionLabels = map[string]string{
+	"production": "生产环境", "sandbox": "沙箱环境",
+	"alipay.trade.create": "统一收单交易创建", "alipay.trade.pay": "付款码支付",
+	"alipay.trade.precreate": "当面付扫码", "alipay.trade.app.pay": "App 支付",
+	"alipay.trade.page.pay": "电脑网站支付", "alipay.trade.wap.pay": "手机网站支付",
+	"JSAPI": "公众号 / 小程序支付", "APP": "App 支付", "NATIVE": "扫码支付",
+	"MWEB": "H5 支付", "MICROPAY": "付款码支付",
+	"jsapi": "公众号 / 小程序支付", "app": "App 支付", "native": "扫码支付",
+	"h5": "H5 支付", "codepay": "付款码支付", "mini": "小程序支付",
+	"qrcode": "二维码支付", "native_jsapi": "扫码后小程序支付", "sdk": "SDK 支付",
+	"web": "网页支付", "retail": "门店收银", "retail_qrcode": "门店扫码",
+	"Wechat": "微信支付", "Alipay": "支付宝", "UnionPay": "银联",
+	"reqsn": "商户订单号", "trxid": "平台交易号",
+}
+
+func paymentSelect(key, label string, required bool, values ...string) IntegrationConfigField {
+	field := integrationSelect(key, label, required, values...)
+	for i := range field.Options {
+		if name := paymentOptionLabels[values[i]]; name != "" {
+			field.Options[i].Label = name + " (" + values[i] + ")"
+		}
+	}
+	return field
+}
+
 func paymentDefinition(provider, name, description string, defaults map[string]any, fields ...IntegrationConfigField) IntegrationConfigDefinition {
 	common := []IntegrationConfigField{
 		integrationField("notify_url", "支付回调地址", false, false, "url"),
@@ -172,29 +197,29 @@ var integrationDefinitions = map[string][]IntegrationConfigDefinition{
 	IntegrationKindPayment: {
 		paymentDefinition(bizpayment.PaymentAlipay, "支付宝", "支付宝 OpenAPI RSA2 支付", map[string]any{"app_id": "", "private_key": "", "public_key": "", "environment": "production", "sign_type": "RSA2", "gateway_url": "https://openapi.alipay.com/gateway.do", "method": "alipay.trade.create"},
 			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("private_key", "应用私钥", true, true, "textarea"), integrationField("public_key", "支付宝公钥", true, true, "textarea"),
-			integrationSelect("environment", "环境", false, "production", "sandbox"), integrationSelect("sign_type", "签名算法", false, "RSA2", "RSA"), integrationField("gateway_url", "网关地址", false, false, "url"),
-			integrationSelect("method", "默认支付方式", false, "alipay.trade.create", "alipay.trade.pay", "alipay.trade.precreate", "alipay.trade.app.pay", "alipay.trade.page.pay", "alipay.trade.wap.pay")),
+			paymentSelect("environment", "环境", false, "production", "sandbox"), integrationSelect("sign_type", "签名算法", false, "RSA2", "RSA"), integrationField("gateway_url", "网关地址", false, false, "url"),
+			paymentSelect("method", "默认支付方式", false, "alipay.trade.create", "alipay.trade.pay", "alipay.trade.precreate", "alipay.trade.app.pay", "alipay.trade.page.pay", "alipay.trade.wap.pay")),
 		paymentDefinition(bizpayment.PaymentAlipayV3, "支付宝 V3", "支付宝证书模式 V3 接口", map[string]any{"app_id": "", "private_key": "", "app_cert": "", "root_cert": "", "public_cert": "", "environment": "production", "api_base_url": "https://openapi.alipay.com", "gateway_url": "https://openapi.alipay.com/gateway.do", "method": "alipay.trade.create"},
 			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("private_key", "应用私钥", true, true, "textarea"), integrationField("app_cert", "应用公钥证书", true, true, "textarea"), integrationField("root_cert", "支付宝根证书", true, true, "textarea"), integrationField("public_cert", "支付宝公钥证书", true, true, "textarea"),
-			integrationSelect("environment", "环境", false, "production", "sandbox"), integrationField("api_base_url", "API 地址", false, false, "url"), integrationField("gateway_url", "网关地址", false, false, "url"), integrationSelect("method", "默认支付方式", false, "alipay.trade.create", "alipay.trade.pay", "alipay.trade.precreate", "alipay.trade.app.pay", "alipay.trade.page.pay", "alipay.trade.wap.pay")),
+			paymentSelect("environment", "环境", false, "production", "sandbox"), integrationField("api_base_url", "API 地址", false, false, "url"), integrationField("gateway_url", "网关地址", false, false, "url"), paymentSelect("method", "默认支付方式", false, "alipay.trade.create", "alipay.trade.pay", "alipay.trade.precreate", "alipay.trade.app.pay", "alipay.trade.page.pay", "alipay.trade.wap.pay")),
 		paymentDefinition(bizpayment.PaymentWechatV2, "微信支付 V2", "微信支付 V2，含退款双向证书", map[string]any{"app_id": "", "merchant_id": "", "mch_key": "", "sign_type": "MD5", "trade_type": "NATIVE", "client_cert": "", "client_key": ""},
-			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("merchant_id", "商户号", true, false, "text"), integrationField("mch_key", "API 密钥", true, true, "password"), integrationSelect("sign_type", "签名算法", false, "MD5", "HMAC-SHA256"), integrationSelect("trade_type", "默认交易类型", false, "JSAPI", "APP", "NATIVE", "MWEB", "MICROPAY"), integrationField("client_cert", "商户证书", true, true, "textarea"), integrationField("client_key", "证书私钥", true, true, "textarea")),
+			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("merchant_id", "商户号", true, false, "text"), integrationField("mch_key", "API 密钥", true, true, "password"), integrationSelect("sign_type", "签名算法", false, "MD5", "HMAC-SHA256"), paymentSelect("trade_type", "默认交易类型", false, "JSAPI", "APP", "NATIVE", "MWEB", "MICROPAY"), integrationField("client_cert", "商户证书", true, true, "textarea"), integrationField("client_key", "证书私钥", true, true, "textarea")),
 		paymentDefinition(bizpayment.PaymentWechatV3, "微信支付 V3", "微信支付 API v3", map[string]any{"app_id": "", "merchant_id": "", "serial_no": "", "private_key": "", "api_v3_key": "", "platform_cert": "", "platform_serial_no": "", "trade_type": "jsapi"},
-			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("merchant_id", "商户号", true, false, "text"), integrationField("serial_no", "商户证书序列号", true, false, "text"), integrationField("private_key", "商户私钥", true, true, "textarea"), integrationField("api_v3_key", "API v3 密钥", true, true, "password"), integrationField("platform_cert", "平台证书", true, true, "textarea"), integrationField("platform_serial_no", "平台证书序列号", false, false, "text"), integrationSelect("trade_type", "默认交易类型", false, "jsapi", "app", "native", "h5", "codepay")),
+			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("merchant_id", "商户号", true, false, "text"), integrationField("serial_no", "商户证书序列号", true, false, "text"), integrationField("private_key", "商户私钥", true, true, "textarea"), integrationField("api_v3_key", "API v3 密钥", true, true, "password"), IntegrationConfigField{Key: "platform_cert", Label: "平台证书 / 微信支付公钥", Type: "textarea", Secret: true, Description: "可留空，使用商户凭证自动获取平台证书；使用微信支付公钥模式时填写公钥和对应 ID。"}, integrationField("platform_serial_no", "证书序列号 / 公钥 ID", false, false, "text"), paymentSelect("trade_type", "默认交易类型", false, "jsapi", "app", "native", "h5", "codepay")),
 		paymentDefinition(bizpayment.PaymentApple, "Apple IAP", "Apple App Store Server API", map[string]any{"issuer_id": "", "key_id": "", "bundle_id": "", "private_key": "", "price_divisor": 10, "environment": "production", "test_product_id": "", "test_transaction_id": ""},
-			integrationField("issuer_id", "Issuer ID", true, false, "text"), integrationField("key_id", "Key ID", true, false, "text"), integrationField("bundle_id", "Bundle ID", true, false, "text"), integrationField("private_key", "P8 私钥", true, true, "textarea"), integrationField("price_divisor", "价格除数", false, false, "number"), integrationSelect("environment", "环境", false, "production", "sandbox"), integrationField("test_product_id", "测试商品 ID", false, false, "text"), integrationField("test_transaction_id", "沙箱交易 ID", false, false, "text")),
+			integrationField("issuer_id", "Issuer ID", true, false, "text"), integrationField("key_id", "Key ID", true, false, "text"), integrationField("bundle_id", "Bundle ID", true, false, "text"), integrationField("private_key", "P8 私钥", true, true, "textarea"), integrationField("price_divisor", "价格除数", false, false, "number"), paymentSelect("environment", "环境", false, "production", "sandbox"), integrationField("test_product_id", "测试商品 ID", false, false, "text"), integrationField("test_transaction_id", "沙箱交易 ID", false, false, "text")),
 		paymentDefinition(bizpayment.PaymentDouyin, "抖音支付", "抖音开放平台支付", map[string]any{"app_id": "", "merchant_id": "", "serial_no": "", "api_key": "", "private_key": "", "platform_cert": "", "platform_serial_no": "", "trade_type": "jsapi", "environment": "production"},
-			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("merchant_id", "商户号", true, false, "text"), integrationField("serial_no", "商户证书序列号", true, false, "text"), integrationField("api_key", "API 密钥", true, true, "password"), integrationField("private_key", "商户私钥", true, true, "textarea"), integrationField("platform_cert", "平台证书", true, true, "textarea"), integrationField("platform_serial_no", "平台证书序列号", true, false, "text"), integrationSelect("trade_type", "默认交易类型", false, "app", "jsapi", "h5", "native"), integrationSelect("environment", "环境", false, "production")),
+			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("merchant_id", "商户号", true, false, "text"), integrationField("serial_no", "商户证书序列号", true, false, "text"), integrationField("api_key", "API 密钥", true, true, "password"), integrationField("private_key", "商户私钥", true, true, "textarea"), integrationField("platform_cert", "平台证书", true, true, "textarea"), integrationField("platform_serial_no", "平台证书序列号", true, false, "text"), paymentSelect("trade_type", "默认交易类型", false, "app", "jsapi", "h5", "native"), paymentSelect("environment", "环境", false, "production")),
 		paymentDefinition(bizpayment.PaymentQQ, "QQ 钱包", "QQ 钱包支付", map[string]any{"mch_id": "", "api_key": "", "sign_type": "MD5", "trade_type": "NATIVE", "cert_file": "", "key_file": "", "environment": "production"},
-			integrationField("mch_id", "商户号", true, false, "text"), integrationField("api_key", "API 密钥", true, true, "password"), integrationSelect("sign_type", "签名算法", false, "MD5", "HMAC-SHA256"), integrationSelect("trade_type", "默认交易类型", false, "JSAPI", "NATIVE", "APP", "MICROPAY"), integrationField("cert_file", "退款证书路径", false, false, "text"), integrationField("key_file", "退款私钥路径", false, true, "text"), integrationSelect("environment", "环境", false, "production")),
+			integrationField("mch_id", "商户号", true, false, "text"), integrationField("api_key", "API 密钥", true, true, "password"), integrationSelect("sign_type", "签名算法", false, "MD5", "HMAC-SHA256"), paymentSelect("trade_type", "默认交易类型", false, "JSAPI", "NATIVE", "APP", "MICROPAY"), integrationField("cert_file", "退款证书路径", false, false, "text"), integrationField("key_file", "退款私钥路径", false, true, "text"), paymentSelect("environment", "环境", false, "production")),
 		paymentDefinition(bizpayment.PaymentAllinPay, "通联支付", "通联收银宝支付", map[string]any{"cus_id": "", "app_id": "", "private_key": "", "public_key": "", "org_id": "", "pay_type": "W02", "query_order_type": "reqsn", "currency": "CNY", "environment": "production"},
-			integrationField("cus_id", "商户号", true, false, "text"), integrationField("app_id", "应用 ID", true, false, "text"), integrationField("private_key", "商户私钥", true, true, "textarea"), integrationField("public_key", "平台公钥", true, true, "textarea"), integrationField("org_id", "机构号", false, false, "text"), integrationField("pay_type", "支付类型", false, false, "text"), integrationSelect("query_order_type", "查单标识", false, "reqsn", "trxid"), integrationField("currency", "币种", false, false, "text"), integrationSelect("environment", "环境", false, "production", "sandbox")),
+			integrationField("cus_id", "商户号", true, false, "text"), integrationField("app_id", "应用 ID", true, false, "text"), integrationField("private_key", "商户私钥", true, true, "textarea"), integrationField("public_key", "平台公钥", true, true, "textarea"), integrationField("org_id", "机构号", false, false, "text"), integrationField("pay_type", "支付类型", false, false, "text"), paymentSelect("query_order_type", "查单标识", false, "reqsn", "trxid"), integrationField("currency", "币种", false, false, "text"), paymentSelect("environment", "环境", false, "production", "sandbox")),
 		paymentDefinition(bizpayment.PaymentLakala, "拉卡拉", "拉卡拉聚合支付", map[string]any{"partner_code": "", "credential_code": "", "channel": "Wechat", "method": "jsapi", "currency": "CNY", "environment": "production"},
-			integrationField("partner_code", "合作方编号", true, false, "text"), integrationField("credential_code", "凭证码", true, true, "password"), integrationSelect("channel", "支付渠道", false, "Wechat", "Alipay", "UnionPay"), integrationSelect("method", "默认支付方式", false, "jsapi", "h5", "mini", "native", "qrcode", "native_jsapi", "sdk", "web", "retail", "retail_qrcode"), integrationField("currency", "币种", false, false, "text"), integrationSelect("environment", "环境", false, "production")),
+			integrationField("partner_code", "合作方编号", true, false, "text"), integrationField("credential_code", "凭证码", true, true, "password"), paymentSelect("channel", "支付渠道", false, "Wechat", "Alipay", "UnionPay"), paymentSelect("method", "默认支付方式", false, "jsapi", "h5", "mini", "native", "qrcode", "native_jsapi", "sdk", "web", "retail", "retail_qrcode"), integrationField("currency", "币种", false, false, "text"), paymentSelect("environment", "环境", false, "production")),
 		paymentDefinition(bizpayment.PaymentPayPal, "PayPal", "PayPal Checkout", map[string]any{"client_id": "", "client_secret": "", "webhook_id": "", "environment": "sandbox", "return_url": "", "cancel_url": "", "auto_capture": true, "test_currency": "USD"},
-			integrationField("client_id", "Client ID", true, false, "text"), integrationField("client_secret", "Client Secret", true, true, "password"), integrationField("webhook_id", "Webhook ID", true, false, "text"), integrationSelect("environment", "环境", false, "sandbox", "production"), integrationField("cancel_url", "取消跳转地址", false, false, "url"), integrationField("auto_capture", "自动捕获", false, false, "switch")),
+			integrationField("client_id", "Client ID", true, false, "text"), integrationField("client_secret", "Client Secret", true, true, "password"), integrationField("webhook_id", "Webhook ID", true, false, "text"), paymentSelect("environment", "环境", false, "sandbox", "production"), integrationField("cancel_url", "取消跳转地址", false, false, "url"), integrationField("auto_capture", "自动捕获", false, false, "switch")),
 		paymentDefinition(bizpayment.PaymentSaobei, "扫呗", "扫呗聚合支付", map[string]any{"inst_no": "", "key": "", "merchant_no": "", "terminal_id": "", "access_token": "", "pay_type": "010", "currency": "CNY", "environment": "production"},
-			integrationField("inst_no", "机构号", true, false, "text"), integrationField("key", "机构密钥", true, true, "password"), integrationField("merchant_no", "商户号", true, false, "text"), integrationField("terminal_id", "终端号", true, false, "text"), integrationField("access_token", "访问令牌", true, true, "password"), integrationField("pay_type", "支付类型", false, false, "text"), integrationField("currency", "币种", false, false, "text"), integrationSelect("environment", "环境", false, "production", "sandbox")),
+			integrationField("inst_no", "机构号", true, false, "text"), integrationField("key", "机构密钥", true, true, "password"), integrationField("merchant_no", "商户号", true, false, "text"), integrationField("terminal_id", "终端号", true, false, "text"), integrationField("access_token", "访问令牌", true, true, "password"), integrationField("pay_type", "支付类型", false, false, "text"), paymentSelect("environment", "环境", false, "production", "sandbox")),
 		genericPaymentDefinition(bizpayment.PaymentChinaums, "银联商务", "按商户协议配置的银联商务适配器"),
 		genericPaymentDefinition(bizpayment.PaymentSFT, "商福通", "按商户协议配置的商福通适配器"),
 		genericPaymentDefinition(bizpayment.PaymentSuperPay, "Supper Pay", "按商户协议配置的 Supper Pay 适配器"),
diff --git a/internal/biz/integration/integration_config_payment_test.go b/internal/biz/integration/integration_config_payment_test.go
new file mode 100644
index 0000000..b5434ce
--- /dev/null
+++ b/internal/biz/integration/integration_config_payment_test.go
@@ -0,0 +1,56 @@
+package integration
+
+import (
+	bizpayment "kra/internal/biz/payment"
+	"testing"
+)
+
+func TestPaymentSelectLabelsKeepProtocolValues(t *testing.T) {
+	for _, test := range []struct {
+		provider, key, value, label string
+	}{
+		{bizpayment.PaymentWechatV3, "trade_type", "native", "扫码支付 (native)"},
+		{bizpayment.PaymentWechatV2, "trade_type", "MICROPAY", "付款码支付 (MICROPAY)"},
+		{bizpayment.PaymentAlipay, "method", "alipay.trade.wap.pay", "手机网站支付 (alipay.trade.wap.pay)"},
+	} {
+		definition, ok := IntegrationDefinition(IntegrationKindPayment, test.provider)
+		if !ok {
+			t.Fatalf("missing definition %s", test.provider)
+		}
+		found := false
+		for _, field := range definition.Fields {
+			if field.Key != test.key {
+				continue
+			}
+			for _, option := range field.Options {
+				if option.Value == test.value {
+					found = true
+					if option.Label != test.label {
+						t.Errorf("%s/%s label = %q, want %q", test.provider, test.value, option.Label, test.label)
+					}
+				}
+			}
+		}
+		if !found {
+			t.Errorf("missing option %s/%s", test.provider, test.value)
+		}
+	}
+}
+
+func TestWechatV3PlatformCertificateIsOptional(t *testing.T) {
+	definition, _ := IntegrationDefinition(IntegrationKindPayment, bizpayment.PaymentWechatV3)
+	for _, field := range definition.Fields {
+		if field.Key == "platform_cert" && field.Required {
+			t.Fatal("platform certificate is marked required")
+		}
+	}
+	values := DefaultIntegrationConfig(IntegrationKindPayment, bizpayment.PaymentWechatV3)
+	values["app_id"] = "wx-app"
+	values["merchant_id"] = "merchant"
+	values["serial_no"] = "merchant-serial"
+	values["private_key"] = "merchant-private-key"
+	values["api_v3_key"] = "01234567890123456789012345678901"
+	if err := ValidateIntegrationConfig(IntegrationKindPayment, bizpayment.PaymentWechatV3, values); err != nil {
+		t.Fatalf("valid merchant credentials rejected without platform certificate: %v", err)
+	}
+}
diff --git a/internal/integration/payment/wechat_v3.go b/internal/integration/payment/wechat_v3.go
index 0279f04..1f824bc 100644
--- a/internal/integration/payment/wechat_v3.go
+++ b/internal/integration/payment/wechat_v3.go
@@ -418,23 +418,10 @@ func newWechatV3Client(c map[string]any, endpointKey string) (*gopayWechatV3.Cli
 		return nil, err
 	}
 
-	platformCert := firstAny(c, "platform_cert", "platform_certificate", "wechatpay_platform_cert")
-	if platformCert == "" {
-		return nil, errors.New("微信支付 v3 缺少 platform_cert")
-	}
-	platformSerial := firstAny(c, "platform_serial_no", "platform_cert_serial", "wechatpay_serial_no")
-	if platformSerial == "" {
-		platformSerial, err = wechatV3PlatformSerial(platformCert)
-		if err != nil {
-			return nil, err
-		}
-	}
-	if err = client.AutoVerifySignByCert([]byte(platformCert), platformSerial); err != nil {
-		return nil, err
-	}
 	client.SetBodySize(8)
 	client.GetHttpClient().SetTimeout(20 * time.Second)
 
+	endpointConfigured := false
 	if endpointKey != "" {
 		if endpoint := strings.TrimSpace(text(c, endpointKey)); endpoint != "" {
 			parsed, parseErr := url.Parse(endpoint)
@@ -446,15 +433,37 @@ func newWechatV3Client(c map[string]any, endpointKey string) (*gopayWechatV3.Cli
 			}
 			httpClient := client.GetHttpClient()
 			httpClient.SetTransport(&wechatV3EndpointTransport{base: httpClient.HttpClient.Transport, endpoint: parsed})
-			return client, nil
+			endpointConfigured = true
 		}
 	}
-	if baseURL := strings.TrimRight(firstAny(c, "base_url", "api_base_url", "proxy_url"), "/"); baseURL != "" {
-		parsed, parseErr := url.Parse(baseURL)
-		if parseErr != nil || parsed.Scheme == "" || parsed.Host == "" {
-			return nil, errors.New("微信支付 v3 base_url 配置无效")
+	if !endpointConfigured {
+		if baseURL := strings.TrimRight(firstAny(c, "base_url", "api_base_url", "proxy_url"), "/"); baseURL != "" {
+			parsed, parseErr := url.Parse(baseURL)
+			if parseErr != nil || parsed.Scheme == "" || parsed.Host == "" {
+				return nil, errors.New("微信支付 v3 base_url 配置无效")
+			}
+			client.SetProxyHost(baseURL)
+		}
+	}
+
+	platformCert := firstAny(c, "platform_cert", "platform_certificate", "wechatpay_platform_cert")
+	if platformCert == "" {
+		// Fetch the current platform certificates using the merchant credentials.
+		// This client is request-scoped, so avoid starting a background refresher.
+		if err = client.AutoVerifySign(false); err != nil {
+			return nil, fmt.Errorf("微信支付 v3 自动获取平台证书失败: %w", err)
+		}
+	} else {
+		platformSerial := firstAny(c, "platform_serial_no", "platform_cert_serial", "wechatpay_serial_no")
+		if platformSerial == "" {
+			platformSerial, err = wechatV3PlatformSerial(platformCert)
+			if err != nil {
+				return nil, err
+			}
+		}
+		if err = client.AutoVerifySignByCert([]byte(platformCert), platformSerial); err != nil {
+			return nil, err
 		}
-		client.SetProxyHost(baseURL)
 	}
 	return client, nil
 }
diff --git a/internal/integration/payment/wechat_v3_certificate_test.go b/internal/integration/payment/wechat_v3_certificate_test.go
new file mode 100644
index 0000000..fc82d87
--- /dev/null
+++ b/internal/integration/payment/wechat_v3_certificate_test.go
@@ -0,0 +1,79 @@
+package payment
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"encoding/base64"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestWechatV3WithoutPlatformCertificateLoadsVerificationKey(t *testing.T) {
+	_, merchantPrivatePEM, _ := testRSAKeyPair(t)
+	_, _, platformPublicPEM := testRSAKeyPair(t)
+	apiV3Key := "01234567890123456789012345678901"
+	block, err := aes.NewCipher([]byte(apiV3Key))
+	if err != nil {
+		t.Fatal(err)
+	}
+	gcm, err := cipher.NewGCM(block)
+	if err != nil {
+		t.Fatal(err)
+	}
+	nonce, associatedData := "0123456789ab", "certificate"
+	ciphertext := base64.StdEncoding.EncodeToString(gcm.Seal(nil, []byte(nonce), []byte(platformPublicPEM), []byte(associatedData)))
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/v3/certificates" {
+			t.Errorf("unexpected path %q", r.URL.Path)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{
+			"serial_no":      "platform-serial",
+			"effective_time": time.Now().Add(-time.Hour).Format(time.RFC3339),
+			"expire_time":    time.Now().Add(24 * time.Hour).Format(time.RFC3339),
+			"encrypt_certificate": map[string]any{
+				"algorithm": "AEAD_AES_256_GCM", "nonce": nonce,
+				"associated_data": associatedData, "ciphertext": ciphertext,
+			},
+		}}})
+	}))
+	defer server.Close()
+
+	client, err := newWechatV3Client(map[string]any{
+		"merchant_id": "merchant", "serial_no": "merchant-serial",
+		"api_v3_key": apiV3Key, "private_key": merchantPrivatePEM,
+		"create_url": server.URL,
+	}, "create_url")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if client.WxPublicKeyMap()["platform-serial"] == nil {
+		t.Fatal("fetched platform key was not installed for signature verification")
+	}
+}
+
+func TestWechatV3WithoutPlatformCertificateFetchesFromConfiguredEndpoint(t *testing.T) {
+	_, merchantPrivatePEM, _ := testRSAKeyPair(t)
+	requestPath := ""
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		requestPath = r.URL.Path
+		w.WriteHeader(http.StatusServiceUnavailable)
+	}))
+	defer server.Close()
+
+	_, err := newWechatV3Client(map[string]any{
+		"merchant_id": "merchant", "serial_no": "merchant-serial",
+		"api_v3_key":  "01234567890123456789012345678901",
+		"private_key": merchantPrivatePEM, "create_url": server.URL,
+	}, "create_url")
+	if requestPath != "/v3/certificates" {
+		t.Fatalf("certificate request path = %q", requestPath)
+	}
+	if err == nil || !strings.Contains(err.Error(), "自动获取平台证书失败") {
+		t.Fatalf("certificate fetch error = %v", err)
+	}
+}
diff --git a/web/src/view/systemTools/payment/config.vue b/web/src/view/systemTools/payment/config.vue
index 374e0dc..0ef2fcc 100644
--- a/web/src/view/systemTools/payment/config.vue
+++ b/web/src/view/systemTools/payment/config.vue
@@ -1,496 +1,28 @@
-<template>
-  <div class="kra-table-box payment-config-page">
-    <header class="page-heading">
-      <div>
-        <h2>支付渠道配置</h2>
-        <p>管理渠道凭证、回调地址和测试交易参数。</p>
-      </div>
-      <el-button :icon="Refresh" :loading="loading" :disabled="busy" @click="refreshConfigs">刷新</el-button>
-    </header>
-
-    <div v-loading="loading" class="config-layout">
-      <aside class="provider-panel" aria-label="支付渠道列表">
-        <div class="panel-heading"><span>渠道</span><span>{{ configs.length }}</span></div>
-        <button
-          v-for="item in configs"
-          :key="item.provider"
-          type="button"
-          class="provider-item"
-          :class="{ active: item.provider === selectedProvider }"
-          @click="selectProvider(item.provider)"
-        >
-          <span class="provider-copy">
-            <strong>{{ item.name || providerText(item.provider) }}</strong>
-            <small>{{ item.provider }}</small>
-          </span>
-          <span class="provider-state" :class="{ enabled: item.enabled }">
-            {{ item.enabled ? '已启用' : '已停用' }}
-          </span>
-        </button>
-      </aside>
-
-      <section v-if="selected" class="editor-panel">
-        <header class="editor-heading">
-          <div class="editor-title-group">
-            <div class="editor-title-row">
-              <h3>{{ selected.name || providerText(selected.provider) }}</h3>
-              <el-tag v-if="isDirty(selected)" type="warning" effect="plain">未保存</el-tag>
-              <el-tag v-else-if="selected.enabled" type="success" effect="plain">运行中</el-tag>
-            </div>
-            <p>{{ selected.description || selected.provider }}</p>
-          </div>
-          <div class="enable-control">
-            <span>{{ selected.enabled ? '已启用' : '已停用' }}</span>
-            <el-switch
-              :model-value="selected.enabled"
-              :loading="operation === 'toggle'"
-              :disabled="busy"
-              aria-label="启用支付渠道"
-              @change="toggleProvider"
-            />
-          </div>
-        </header>
-
-        <el-alert
-          v-if="hasMaskedSecret(selected)"
-          type="info"
-          :closable="false"
-          show-icon
-          class="editor-alert"
-          title="凭证已脱敏；保留 ****** 将继续使用当前凭证。"
-        />
-        <el-alert
-          v-else-if="!selected.configured"
-          type="warning"
-          :closable="false"
-          show-icon
-          class="editor-alert"
-          title="该渠道尚未保存。填写配置并保存后才能启用或测试。"
-        />
-
-        <el-form :model="selected.config" label-position="top" class="config-form" @submit.prevent>
-          <div class="field-grid">
-            <el-form-item
-              v-for="field in selected.fields || []"
-              :key="field.key"
-              :required="field.required"
-              :error="fieldError(field.key)"
-            >
-              <template #label>
-                <span class="field-label"><span>{{ field.label }}</span><small>{{ field.key }}</small></span>
-              </template>
-
-              <el-select
-                v-if="field.type === 'select'"
-                v-model="selected.config[field.key]"
-                class="field-control"
-                filterable
-                :placeholder="field.placeholder || '请选择'"
-                @update:model-value="clearFieldError(field.key)"
-              >
-                <el-option v-for="option in field.options || []" :key="String(option.value)" :label="option.label" :value="option.value" />
-              </el-select>
-              <el-switch
-                v-else-if="field.type === 'switch'"
-                v-model="selected.config[field.key]"
-                @update:model-value="clearFieldError(field.key)"
-              />
-              <el-input-number
-                v-else-if="field.type === 'number'"
-                v-model="selected.config[field.key]"
-                class="field-control"
-                :min="field.key === 'test_amount' ? 1 : 0"
-                :step="1"
-                controls-position="right"
-                @update:model-value="clearFieldError(field.key)"
-              />
-              <div v-else-if="field.type === 'textarea' && field.secret" class="secret-textarea-control">
-                <el-input
-                  v-if="isSecretVisible(selected, field.key)"
-                  v-model="selected.config[field.key]"
-                  class="field-control"
-                  type="textarea"
-                  :rows="5"
-                  :placeholder="field.placeholder || '请输入凭证内容'"
-                  autocomplete="new-password"
-                  spellcheck="false"
-                  @update:model-value="clearFieldError(field.key)"
-                />
-                <el-input
-                  v-else
-                  :model-value="maskedTextareaValue(selected.config[field.key])"
-                  class="field-control secret-textarea-display"
-                  type="textarea"
-                  :rows="5"
-                  readonly
-                  resize="none"
-                  :placeholder="field.placeholder || '凭证已隐藏，点击“编辑凭证”后输入'"
-                  :aria-label="`${field.label}（已隐藏）`"
-                />
-                <el-button
-                  class="secret-textarea-action"
-                  text
-                  type="primary"
-                  :icon="isSecretVisible(selected, field.key) ? Hide : View"
-                  :aria-label="isSecretVisible(selected, field.key) ? `隐藏${field.label}` : `编辑${field.label}`"
-                  @click="toggleSecretVisibility(selected, field.key)"
-                >
-                  {{ isSecretVisible(selected, field.key) ? '隐藏凭证' : '编辑凭证' }}
-                </el-button>
-              </div>
-              <el-input
-                v-else-if="field.type === 'textarea'"
-                v-model="selected.config[field.key]"
-                class="field-control"
-                type="textarea"
-                :rows="4"
-                :placeholder="field.placeholder"
-                spellcheck="false"
-                @update:model-value="clearFieldError(field.key)"
-              />
-              <el-input
-                v-else
-                v-model="selected.config[field.key]"
-                class="field-control"
-                :type="field.secret ? 'password' : 'text'"
-                :show-password="field.secret"
-                :placeholder="field.placeholder"
-                spellcheck="false"
-                @update:model-value="clearFieldError(field.key)"
-              />
-              <p v-if="fieldHint(field, selected)" class="field-hint">{{ fieldHint(field, selected) }}</p>
-            </el-form-item>
-          </div>
-        </el-form>
-
-        <footer class="editor-actions">
-          <span class="save-state">{{ saveStateText }}</span>
-          <el-button
-            :icon="Connection"
-            :loading="operation === 'test'"
-            :disabled="busy || !selected.enabled || !selected.configured || isDirty(selected)"
-            @click="testProvider"
-          >
-            测试渠道
-          </el-button>
-          <el-button
-            v-if="selected.configured"
-            type="danger"
-            plain
-            :icon="Delete"
-            :loading="operation === 'delete'"
-            :disabled="busy"
-            @click="remove"
-          >
-            删除配置
-          </el-button>
-          <el-button
-            type="primary"
-            :icon="Check"
-            :loading="operation === 'save'"
-            :disabled="busy || !isDirty(selected)"
-            @click="saveSelected"
-          >
-            保存配置
-          </el-button>
-        </footer>
-      </section>
-
-      <el-empty v-else description="暂无支付渠道" />
-    </div>
-
-    <el-dialog v-model="testVisible" title="渠道测试结果" width="min(620px, calc(100vw - 32px))" destroy-on-close>
-      <div v-if="testResult" class="test-result">
-        <el-result
-          :icon="testResult.passed ? 'success' : 'error'"
-          :title="testResultTitle"
-          :sub-title="testResult.tradeNo ? `测试订单：${testResult.tradeNo}` : undefined"
-        />
-        <div class="test-stages">
-          <div v-for="stage in testResult.stages || []" :key="`${stage.name}-${stage.tradeNo || ''}`" class="test-stage">
-            <el-icon :class="`stage-${stage.status}`"><component :is="stageIcon(stage.status)" /></el-icon>
-            <div><strong>{{ stageName(stage.name) }}</strong><p>{{ stage.message || stageStatusText(stage.status) }}</p></div>
-            <span v-if="stage.durationMs != null">{{ stage.durationMs }} ms</span>
-          </div>
-        </div>
-      </div>
-      <template #footer><el-button @click="testVisible = false">关闭</el-button></template>
-    </el-dialog>
-  </div>
-</template>
-
-<script setup>
-import { computed, onMounted, reactive, ref } from 'vue'
-import { ElMessage, ElMessageBox } from 'element-plus'
-import { Check, CircleCheck, CircleClose, Connection, Delete, Hide, MoreFilled, Refresh, View } from '@element-plus/icons-vue'
-import { deleteIntegrationConfig, getIntegrationConfigs, saveIntegrationConfig } from '@/api/integration'
-import { testPaymentProvider } from '@/api/payment'
-
-defineOptions({ name: 'PaymentConfig' })
-
-const PROVIDER_NAMES = {
-  alipay: '支付宝', 'alipay-v3': '支付宝 V3', 'wechat-v2': '微信支付 V2',
-  'wechat-v3': '微信支付 V3', 'apple-iap': 'Apple IAP', douyin: '抖音支付',
-  qq: 'QQ 钱包', allinpay: '通联支付', lakala: '拉卡拉', paypal: 'PayPal',
-  saobei: '扫呗', chinaums: '银联商务', sft: '商福通', 'supper-pay': 'Supper Pay',
-  'wechat-game-pay': '微信小游戏支付', 'douyin-game-pay': '抖音小游戏支付'
-}
-const STAGE_NAMES = { config: '配置校验', test_settings: '测试参数', adapter: '渠道适配器', local_order: '本地测试订单', create: '渠道下单', query: '渠道查单', refund: '渠道退款' }
-
-const configs = ref([])
-const selectedProvider = ref('')
-const loading = ref(false)
-const operation = ref('')
-const errors = reactive({})
-const secretVisibility = reactive({})
-const testVisible = ref(false)
-const testResult = ref(null)
-let loadRequestID = 0
-
-const selected = computed(() => configs.value.find((item) => item.provider === selectedProvider.value) || configs.value[0])
-const busy = computed(() => Boolean(operation.value))
-const saveStateText = computed(() => {
-  if (!selected.value) return ''
-  if (!selected.value.configured) return '尚未创建配置'
-  if (isDirty(selected.value)) return '存在未保存的修改'
-  return selected.value.enabled ? '配置已保存，渠道已启用' : '配置已保存，渠道已停用'
-})
-const testResultTitle = computed(() => {
-  if (!testResult.value?.passed) return '渠道测试未通过'
-  const refundStage = testResult.value.stages?.find((stage) => stage.name === 'refund')
-  if (refundStage?.status === 'passed' && /受理|接受|等待|pending|processing/i.test(refundStage.message || '')) return '支付链路已受理，等待退款确认'
-  return testResult.value.fullFlow ? '完整支付链路测试通过' : '渠道连通性测试通过'
-})
-
-const cloneConfig = (value) => JSON.parse(JSON.stringify(value || {}))
-const normalizeConfig = (item) => {
-  const normalized = { ...item, enabled: Boolean(item.enabled), configured: Boolean(item.configured), config: cloneConfig(item.config), fields: Array.isArray(item.fields) ? item.fields : [] }
-  normalized._savedEnabled = normalized.enabled
-  normalized._savedConfig = cloneConfig(normalized.config)
-  return normalized
-}
-const providerText = (provider) => PROVIDER_NAMES[provider] || provider
-const fieldError = (key) => errors[key] || ''
-const clearFieldError = (key) => { delete errors[key] }
-const isEmpty = (value) => value === null || typeof value === 'undefined' || (typeof value === 'string' && value.trim() === '')
-const isDirty = (item) => JSON.stringify({ enabled: item.enabled, config: item.config }) !== JSON.stringify({ enabled: item._savedEnabled, config: item._savedConfig })
-const hasMaskedSecret = (item) => (item.fields || []).some((field) => field.secret && item.config[field.key] === '******')
-const CALLBACK_URL_KEYS = new Set(['notify_url', 'return_url', 'cancel_url', 'callback_url', 'webhook_url', 'redirect_url', 'success_url', 'failure_url'])
-const callbackURLPattern = /(?:notify|callback|webhook|return|cancel|redirect|success|failure)_?url$/i
-const isCallbackURLField = (field) => {
-  const key = String(field?.key || '').trim().toLowerCase()
-  return CALLBACK_URL_KEYS.has(key) || callbackURLPattern.test(key)
-}
-const environmentText = (item) => String(item?.config?.environment || '').trim().toLowerCase()
-const isSandboxEnvironment = (item) => ['sandbox', 'test', 'testing', 'dev', 'development'].includes(environmentText(item))
-const isProductionEnvironment = (item) => !isSandboxEnvironment(item)
-const secretFieldKey = (item, fieldKey) => `${item?.provider || ''}:${fieldKey}`
-const isSecretVisible = (item, fieldKey) => Boolean(secretVisibility[secretFieldKey(item, fieldKey)])
-const toggleSecretVisibility = (item, fieldKey) => {
-  const key = secretFieldKey(item, fieldKey)
-  secretVisibility[key] = !secretVisibility[key]
-}
-const maskedTextareaValue = (value) => {
-  if (value === '******') return value
-  return isEmpty(value) ? '' : '********'
-}
-const hideSecrets = () => { Object.keys(secretVisibility).forEach((key) => delete secretVisibility[key]) }
-const fieldHint = (field, item = selected.value) => {
-  if (field.key === 'test_mode') return '仅在需要执行真实渠道测试时开启。'
-  if (field.key === 'test_amount') return '使用最小货币单位，例如 CNY 1 表示 0.01 元。'
-  if (field.key === 'test_extra') return '必须是 JSON 对象；可传 openid、auth_code 等测试参数。'
-  if (isCallbackURLField(field)) {
-    return isProductionEnvironment(item) ? '生产环境回调地址必须使用 HTTPS；沙箱环境可使用 HTTP。' : '沙箱环境可使用 HTTP；切换生产环境前请改为 HTTPS。'
-  }
-  return field.description || ''
-}
-const stageName = (name) => STAGE_NAMES[name] || name
-const stageStatusText = (status) => status === 'passed' ? '通过' : status === 'skipped' ? '跳过' : '失败'
-const stageIcon = (status) => status === 'passed' ? CircleCheck : status === 'failed' ? CircleClose : MoreFilled
-
-function validate(item, enabled = item.enabled) {
-  Object.keys(errors).forEach((key) => delete errors[key])
-  let valid = true
-  for (const field of item.fields || []) {
-    const value = item.config[field.key]
-    let message = ''
-    if (enabled && field.required && isEmpty(value)) message = `请填写${field.label}`
-    else if (field.type === 'number' && !isEmpty(value) && (!Number.isFinite(Number(value)) || Number(value) < 0)) message = `${field.label}必须是非负数`
-    else if (field.key === 'test_amount' && !isEmpty(value) && Number(value) <= 0) message = '测试金额必须大于 0'
-    else if (field.key === 'test_extra' && String(value || '').trim()) {
-      try {
-        const parsed = JSON.parse(String(value))
-        if (!parsed || Array.isArray(parsed) || typeof parsed !== 'object') message = '测试扩展参数必须是 JSON 对象'
-      } catch { message = '测试扩展参数必须是合法 JSON' }
-    } else if ((field.type === 'url' || field.key.endsWith('_url') || isCallbackURLField(field)) && value) {
-      try {
-        const url = new URL(String(value))
-        if (!['http:', 'https:'].includes(url.protocol)) message = `${field.label}必须使用 HTTP 或 HTTPS`
-        else if (isCallbackURLField(field) && isProductionEnvironment(item) && url.protocol !== 'https:') message = `${field.label}在生产环境必须使用 HTTPS`
-      } catch { message = `${field.label}格式无效` }
-    }
-    if (!item.configured && field.secret && value === '******') message = '请重新填写' + field.label
-    if (message) { errors[field.key] = message; valid = false }
-  }
-  if (!valid) ElMessage.warning('请先修正配置项')
-  return valid
-}
-
-async function load() {
-  if (loading.value) return
-  const requestID = ++loadRequestID
-  loading.value = true
-  try {
-    const res = await getIntegrationConfigs('payment')
-    if (requestID !== loadRequestID || res.code !== 0) return
-    hideSecrets()
-    configs.value = (res.data || []).map(normalizeConfig)
-    if (!configs.value.some((item) => item.provider === selectedProvider.value)) selectedProvider.value = configs.value[0]?.provider || ''
-  } catch {
-    // The request layer already presents transport errors.
-  } finally { loading.value = false }
-}
-
-async function refreshConfigs() {
-  if (busy.value) return
-  if (selected.value && isDirty(selected.value)) {
-    try {
-      await ElMessageBox.confirm('当前渠道有未保存修改，刷新会丢失这些修改。确认刷新吗？', '刷新支付配置', { type: 'warning', confirmButtonText: '确认刷新' })
-    } catch { return }
-  }
-  await load()
-}
-
-async function selectProvider(provider) {
-  if (provider === selectedProvider.value || busy.value) return
-  if (selected.value && isDirty(selected.value)) {
-    try {
-      await ElMessageBox.confirm('当前渠道有未保存修改，切换后会丢失这些修改。确认切换吗？', '切换支付渠道', { type: 'warning', confirmButtonText: '确认切换' })
-    } catch { return }
-  }
-  Object.keys(errors).forEach((key) => delete errors[key])
-  hideSecrets()
-  selectedProvider.value = provider
-}
-
-async function persist(item, type) {
-  if (busy.value || !validate(item, item.enabled)) return false
-  operation.value = type
-  try {
-    const res = await saveIntegrationConfig('payment', item.provider, { enabled: item.enabled, config: item.config })
-    if (res.code !== 0) return false
-    const provider = item.provider
-    await load()
-    selectedProvider.value = provider
-    return true
-  } catch { return false }
-  finally { operation.value = '' }
-}
-
-async function saveSelected() {
-  if (!selected.value) return
-  if (await persist(selected.value, 'save')) ElMessage.success('支付渠道配置已保存')
-}
-
-async function toggleProvider(enabled) {
-  const item = selected.value
-  if (!item || busy.value) return
-  const previous = item.enabled
-  item.enabled = Boolean(enabled)
-  if (item.enabled && !validate(item, true)) { item.enabled = previous; return }
-  if (await persist(item, 'toggle')) {
-    ElMessage.success(`${item.name || providerText(item.provider)} 已${item.enabled ? '启用' : '停用'}`)
-    return
-  }
-  item.enabled = previous
-  ElMessage.warning('渠道状态未改变')
-}
-
-async function testProvider() {
-  const item = selected.value
-  if (!item || busy.value) return
-  if (!item.enabled) { ElMessage.warning('当前支付渠道已停用，请先启用并保存渠道后再执行测试。'); return }
-  if (isDirty(item)) { ElMessage.warning('请先保存当前配置'); return }
-  if (!item.config?.test_mode) { ElMessage.warning('请先开启“允许执行渠道测试”并保存'); return }
-  const environment = environmentText(item)
-  if (environment === 'production' || environment === 'prod') {
-    operation.value = 'test-confirm'
-    try {
-      await ElMessageBox.confirm('当前渠道使用生产环境，测试会真实创建最小金额订单。确认使用专用测试商户执行吗？', '生产环境测试确认', { type: 'warning', confirmButtonText: '确认测试' })
-    } catch { operation.value = ''; return }
-  }
-  operation.value = 'test'
-  try {
-    const res = await testPaymentProvider(item.provider)
-    testResult.value = res.data || { passed: false, stages: [{ name: 'test', status: 'failed', message: res.msg || '未知错误' }] }
-    testVisible.value = true
-  } catch {
-    // The request layer already presents transport errors.
-  } finally { operation.value = '' }
-}
-
-async function remove() {
-  const item = selected.value
-  if (!item || busy.value) return
-  try {
-    await ElMessageBox.confirm(`删除 ${item.name || providerText(item.provider)} 配置后，该渠道将立即不可用。确认继续吗？`, '删除支付配置', { type: 'warning', confirmButtonText: '确认删除' })
-  } catch { return }
-  operation.value = 'delete'
-  try {
-    const res = await deleteIntegrationConfig('payment', item.provider)
-    if (res.code !== 0) return
-    ElMessage.success('支付渠道配置已删除')
-    await load()
-  } catch {
-    // The request layer already presents transport errors.
-  } finally { operation.value = '' }
-}
-
-onMounted(load)
-</script>
-
-<style scoped>
-.payment-config-page { min-height: 640px; }
-.page-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
-.page-heading h2 { margin: 0; color: var(--el-text-color-primary); font-size: 20px; font-weight: 600; letter-spacing: 0; }
-.page-heading p { margin: 5px 0 0; color: var(--el-text-color-secondary); font-size: 13px; }
-.config-layout { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 560px; overflow: hidden; border: 1px solid var(--el-border-color-lighter); background: var(--el-bg-color); }
-.provider-panel { padding: 12px 9px; border-right: 1px solid var(--el-border-color-lighter); background: var(--el-fill-color-blank); }
-.panel-heading { display: flex; justify-content: space-between; padding: 4px 10px 11px; color: var(--el-text-color-secondary); font-size: 12px; }
-.provider-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; width: 100%; min-height: 58px; padding: 8px 10px; border: 0; border-left: 3px solid transparent; border-radius: 4px; background: transparent; color: inherit; text-align: left; cursor: pointer; }
-.provider-item:hover { background: var(--el-fill-color-light); }
-.provider-item.active { border-left-color: var(--el-color-primary); background: var(--el-color-primary-light-9); }
-.provider-copy { display: grid; min-width: 0; gap: 3px; }
-.provider-copy strong { overflow: hidden; color: var(--el-text-color-primary); font-size: 14px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
-.provider-copy small { color: var(--el-text-color-secondary); font-size: 11px; }
-.provider-state { color: var(--el-text-color-placeholder); font-size: 11px; white-space: nowrap; }
-.provider-state.enabled { color: var(--el-color-success); }
-.editor-panel { display: flex; min-width: 0; flex-direction: column; padding: 22px 28px 20px; }
-.editor-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--el-border-color-lighter); }
-.editor-title-group { min-width: 0; }
-.editor-title-row { display: flex; align-items: center; gap: 9px; }
-.editor-title-row h3 { margin: 0; color: var(--el-text-color-primary); font-size: 18px; font-weight: 600; letter-spacing: 0; }
-.editor-title-group p { margin: 6px 0 0; color: var(--el-text-color-secondary); font-size: 13px; }
-.enable-control { display: flex; align-items: center; gap: 10px; min-height: 32px; color: var(--el-text-color-regular); font-size: 13px; white-space: nowrap; }
-.editor-alert { margin-top: 18px; }
-.config-form { flex: 1; padding-top: 20px; }
-.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 22px; }
-.field-label { display: inline-flex; align-items: baseline; gap: 7px; min-width: 0; }
-.field-label small { overflow: hidden; color: var(--el-text-color-placeholder); font-size: 11px; font-weight: 400; text-overflow: ellipsis; }
-.field-control { width: 100%; }
-.secret-textarea-control { width: 100%; }
-.secret-textarea-display :deep(.el-textarea__inner) { color: var(--el-text-color-placeholder); font-family: monospace; letter-spacing: 0; }
-.secret-textarea-action { margin: 4px 0 0; padding: 4px 0; }
-.field-hint { width: 100%; margin: 5px 0 0; color: var(--el-text-color-secondary); font-size: 12px; line-height: 1.5; }
-.editor-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; padding-top: 16px; border-top: 1px solid var(--el-border-color-lighter); }
-.save-state { margin-right: auto; color: var(--el-text-color-secondary); font-size: 12px; }
-.test-result :deep(.el-result) { padding: 8px 24px 20px; }
-.test-stages { border-top: 1px solid var(--el-border-color-lighter); }
-.test-stage { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; align-items: start; gap: 10px; padding: 13px 4px; border-bottom: 1px solid var(--el-border-color-lighter); }
-.test-stage strong { color: var(--el-text-color-primary); font-size: 13px; font-weight: 600; }
-.test-stage p { margin: 3px 0 0; color: var(--el-text-color-secondary); font-size: 12px; line-height: 1.5; }
-.test-stage > span { color: var(--el-text-color-placeholder); font-size: 11px; white-space: nowrap; }
-.stage-passed { color: var(--el-color-success); } .stage-failed { color: var(--el-color-danger); } .stage-skipped { color: var(--el-text-color-placeholder); }
-@media (max-width: 900px) { .config-layout { grid-template-columns: 1fr; } .provider-panel { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; max-height: 270px; overflow-y: auto; border-right: 0; border-bottom: 1px solid var(--el-border-color-lighter); } .panel-heading { display: none; } .provider-state { display: none; } .editor-panel { padding: 20px; } .field-grid { grid-template-columns: 1fr; } }
-@media (max-width: 560px) { .payment-config-page { min-height: 0; } .page-heading { align-items: flex-start; } .provider-panel { grid-template-columns: 1fr; } .provider-state { display: inline; } .editor-panel { padding: 18px 14px; } .editor-heading { align-items: stretch; flex-direction: column; gap: 14px; } .enable-control { justify-content: space-between; } .editor-actions { align-items: stretch; flex-direction: column; } .save-state { margin-right: 0; } .editor-actions :deep(.el-button) { margin-left: 0; } }
-</style>
+-----BEGIN PRIVATE KEY-----
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+Snuim3XDr9wHW63afVWjE+RN3w==
+-----END PRIVATE KEY-----
\ No newline at end of file