diff --git a/deploy_server_guide.md b/deploy_server_guide.md
index 378435c..ac7050f 100644
--- a/deploy_server_guide.md
+++ b/deploy_server_guide.md
@@ -31,3 +31,17 @@
 cd /Users/macbook/dev/billCare
 git push origin main
 ```
+
+## HTTPS / TLS
+
+| 항목 | 값 |
+|------|-----|
+| URL | https://billcare.exdev.co.kr |
+| Caddy | `ex-chatbot-caddy` → host `:83` |
+| 인증서 | LE 전용 (`billcare.exdev.co.kr`) |
+| cert 경로 | `.../nginx/certs/billcare/{fullchain,privkey}.pem` |
+| 발급 | `acme.sh` + HTTP-01 (`gc-frontend` `/var/www/certbot`) |
+| 갱신 reload | `docker exec ex-chatbot-caddy caddy reload --config /etc/caddy/Caddyfile` |
+
+공유 인증서(`stock`/`chatbot`) SAN에 billcare가 없어 별도 발급했습니다.
+`gc-frontend`에 acme-webroot가 마운트되어 있어야 갱신이 됩니다.
diff --git a/frontend/src/pages/care/ReceptionListPage.tsx b/frontend/src/pages/care/ReceptionListPage.tsx
index 7ab99f8..4fd92d4 100644
--- a/frontend/src/pages/care/ReceptionListPage.tsx
+++ b/frontend/src/pages/care/ReceptionListPage.tsx
@@ -424,11 +424,11 @@ export default function ReceptionListPage() {
               </button>
             ))}
           </div>
-          <label className="muted" style={{ fontSize: 12 }}>
+          <label className="order-page-size muted">
             한 페이지당 갯수
             <input
               type="number"
-              style={{ width: 56, display: 'inline-block', marginLeft: 4 }}
+              className="order-page-size-input"
               value={draft.size}
               onChange={(e) => setD({ size: Number(e.target.value) || 50 })}
             />
diff --git a/frontend/src/styles/app.css b/frontend/src/styles/app.css
index 140c83a..a7197a0 100644
--- a/frontend/src/styles/app.css
+++ b/frontend/src/styles/app.css
@@ -4232,6 +4232,25 @@ html.theme-light .reception-order-page {
   cursor: pointer;
 }
 .order-date-row .quick .ghost.sm:hover { background: var(--elevated, var(--surface-2)); color: var(--primary); }
+.order-page-size {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 12px;
+}
+.order-page-size-input {
+  width: 56px;
+  padding: 4px 6px;
+  font-size: 12px;
+  background: var(--surface-2, var(--surface));
+  color: var(--text);
+  border: 1px solid var(--border);
+  border-radius: 4px;
+}
+.order-page-size-input:focus {
+  outline: none;
+  border-color: var(--primary);
+}
 .order-result { margin-left: auto; font-size: 12px; }
 .order-search-fields {
   display: flex;
diff --git a/scripts/caddy-billcare.Caddyfile b/scripts/caddy-billcare.Caddyfile
index 20c3a5d..5476e3c 100644
--- a/scripts/caddy-billcare.Caddyfile
+++ b/scripts/caddy-billcare.Caddyfile
@@ -1,25 +1,24 @@
 # BillCare — exdev Caddy 서브도메인 스니펫
 # host 포트 83 → billcare-frontend
-# 실제 적용: ex-chatbot-stack Caddyfile.exdev 에 병합 후 caddy reload
-
-(billcare_upstream) {
-	reverse_proxy host.docker.internal:{$BILLCARE_HOST_PORT:83} {
-		flush_interval -1
-		transport http {
-			read_timeout 120s
-			write_timeout 120s
-			versions 1.1 2
-		}
-		header_up Host {host}
-		header_up X-Real-IP {remote_host}
-		header_up X-Forwarded-For {remote_host}
-		header_up X-Forwarded-Proto {scheme}
-	}
-}
+# 인증서: acme.sh 로 발급한 billcare 전용 LE cert
+#   /Users/aidev/dev/exAIChatbot2.0/docker/nginx/certs/billcare/{fullchain,privkey}.pem
+#   (Caddy 컨테이너 마운트: /etc/caddy/certs/billcare/)
 
+# BillCare
 https://{$BILLCARE_DOMAIN:billcare.exdev.co.kr} {
-	# 공유 cert SAN 에 없을 수 있음 → Caddy 자체 ACME(TLS-ALPN) 사용
+	tls /etc/caddy/certs/billcare/fullchain.pem /etc/caddy/certs/billcare/privkey.pem
 	handle {
-		import billcare_upstream
+		reverse_proxy host.docker.internal:{$BILLCARE_HOST_PORT:83} {
+			flush_interval -1
+			transport http {
+				read_timeout 120s
+				write_timeout 120s
+				versions 1.1 2
+			}
+			header_up Host {host}
+			header_up X-Real-IP {remote_host}
+			header_up X-Forwarded-For {remote_host}
+			header_up X-Forwarded-Proto {scheme}
+		}
 	}
 }