chore(infra): update build config and deployment scripts

Update Docker configurations, nginx setup, and shared design tokens. Refresh lockfile.

branding.json

@@ -0,0 +1,85 @@
+{
+    "colorScheme": "light",
+    "fonts": [
+        {
+            "family": "sans-serif",
+            "count": 73
+        },
+        {
+            "family": "Noto Sans TC",
+            "count": 68
+        },
+        {
+            "family": "Quicksand",
+            "count": 5
+        }
+    ],
+    "colors": {
+        "primary": "#0000EE",
+        "accent": "#23608C",
+        "background": "#F2F2F2",
+        "textPrimary": "#23608C",
+        "link": "#23608C"
+    },
+    "typography": {
+        "fontFamilies": {
+            "primary": "Noto Sans TC",
+            "heading": "Noto Sans TC"
+        },
+        "fontStacks": {
+            "body": [
+                "Noto Sans TC",
+                "sans-serif"
+            ],
+            "heading": [
+                "Noto Sans TC",
+                "sans-serif"
+            ],
+            "paragraph": [
+                "Quicksand",
+                "sans-serif"
+            ]
+        },
+        "fontSizes": {
+            "h1": "64.41px",
+            "h2": "46px",
+            "body": "29.64px"
+        }
+    },
+    "spacing": {
+        "baseUnit": 8,
+        "borderRadius": "0px"
+    },
+    "components": {},
+    "images": {
+        "logo": "https://cdn.prod.website-files.com/61f24aa108528b1962942c95/61f24aa108528b3886942cba_enchun.svg",
+        "favicon": "https://cdn.prod.website-files.com/61f24aa108528b1962942c95/6200ec44d8b8b96d8b782995_enchun%20ico-.png",
+        "ogImage": "https://cdn.prod.website-files.com/61f24aa108528b1962942c95/61f6972f64ea04254d02b655_Enchun%20digital%20marketing.png"
+    },
+    "__framework_hints": [
+        "Webflow"
+    ],
+    "__llm_logo_reasoning": {
+        "selectedIndex": 1,
+        "reasoning": "Strong indicators: header logo linking to homepage, header location, visible, class contains logo, reasonable size. Score: 95 (clear winner by 35 points)",
+        "confidence": 0.9
+    },
+    "__llm_button_reasoning": {
+        "primary": {
+            "index": -1,
+            "text": "N/A",
+            "reasoning": "LLM failed"
+        },
+        "secondary": {
+            "index": -1,
+            "text": "N/A",
+            "reasoning": "LLM failed"
+        },
+        "confidence": 0
+    },
+    "confidence": {
+        "buttons": 0,
+        "colors": 0,
+        "overall": 0
+    }
+}