diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..34cbcc5
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,11 @@
+{
+    "liveServer.settings.port": 5500,
+    "liveServer.settings.root": "/",
+    "liveServer.settings.CustomBrowser": "chrome",
+    "liveServer.settings.NoBrowser": false,
+    "liveServer.settings.ignoreFiles": [
+        ".git",
+        "**/*.sass",
+        "node_modules"
+    ]
+}
diff --git a/css/style.css b/css/style.css
index 8232c05..31f5d0d 100644
--- a/css/style.css
+++ b/css/style.css
@@ -527,3 +527,17 @@ body {
 .section-title {
     animation: fadeInUp 0.6s ease-out;
 }
+
+.card-image placeholder-img img {
+       width: 100%;
+       height: 100%;
+       object-fit: cover;
+       display: block;
+   }
+
+og-image.jpg img {
+       width: 100%;
+       height: 100%;
+       object-fit: cover;
+       display: block;
+   }
\ No newline at end of file
diff --git a/images/favicon.png b/images/favicon.png
new file mode 100644
index 0000000..1edf3f1
Binary files /dev/null and b/images/favicon.png differ
diff --git a/images/气温和降水月平均分布.png b/images/气温和降水月平均分布.png
new file mode 100644
index 0000000..4f74eca
Binary files /dev/null and b/images/气温和降水月平均分布.png differ
diff --git a/images/航拍图.png b/images/航拍图.png
new file mode 100644
index 0000000..ece1d9f
Binary files /dev/null and b/images/航拍图.png differ
diff --git a/index.html b/index.html
index 7161f79..1885df1 100644
--- a/index.html
+++ b/index.html
@@ -21,6 +21,21 @@
     <!-- Base Path for Subdirectory Deployment -->
     <base href="/g2026/g4/">
     
+    <!-- Smart Path Detection - Must run before CSS/JS loading -->
+    <script>
+        (function() {
+            const hostname = window.location.hostname;
+            // 本地开发环境自动移除 base 标签
+            if (hostname === 'localhost' || hostname === '127.0.0.1' || hostname === '') {
+                const baseTag = document.querySelector('base');
+                if (baseTag) {
+                    baseTag.remove();
+                    console.log('🔧 Local dev mode: base tag removed');
+                }
+            }
+        })();
+    </script>
+    
     <!-- Stylesheet -->
     <link rel="stylesheet" href="css/style.css">