diff --git a/static/fonts/HarmonyOS_Sans_Light.ttf b/static/fonts/HarmonyOS_Sans_Light.ttf
new file mode 100644
index 0000000..9b67785
Binary files /dev/null and b/static/fonts/HarmonyOS_Sans_Light.ttf differ
diff --git a/static/fonts/HarmonyOS_Sans_SC_Regular.ttf b/static/fonts/HarmonyOS_Sans_SC_Regular.ttf
new file mode 100644
index 0000000..aff150a
Binary files /dev/null and b/static/fonts/HarmonyOS_Sans_SC_Regular.ttf differ
diff --git a/static/style-1.css b/static/style-1.css
index 38eec5f..acaabb0 100644
--- a/static/style-1.css
+++ b/static/style-1.css
@@ -1,30 +1,27 @@
 /* ===== style-1.css - 全局基础 ===== */
 
 /* ---------- 字体定义 ---------- */
+/* 自托管 HarmonyOS Sans 字体 */
+
+/* 中文/英文：HarmonyOS Sans SC Regular */
 @font-face {
     font-family: 'HarmonyOS Sans SC';
-    src: local('HarmonyOS Sans SC'),
-         local('PingFang SC'),
-         local('Microsoft YaHei'),
-         local('Helvetica Neue');
+    src: url('/static/fonts/HarmonyOS_Sans_SC_Regular.ttf') format('truetype');
     font-weight: 400;
-    font-display: swap;
-}
-@font-face {
-    font-family: 'HarmonyOS Sans SC';
-    src: local('HarmonyOS Sans SC Medium'),
-         local('PingFang SC Medium');
-    font-weight: 500;
-    font-display: swap;
-}
-@font-face {
-    font-family: 'HarmonyOS Sans SC';
-    src: local('HarmonyOS Sans SC Bold'),
-         local('PingFang SC Semibold');
-    font-weight: 700;
+    font-style: normal;
     font-display: swap;
 }
 
+/* 数字专用：HarmonyOS Sans Light */
+@font-face {
+    font-family: 'HarmonyOS Sans';
+    src: url('/static/fonts/HarmonyOS_Sans_Light.ttf') format('truetype');
+    font-weight: 300;
+    font-style: normal;
+    font-display: swap;
+}
+
+/* 后备：如果自托管字体加载失败，使用系统字体 */
 /* ---------- 重置 ---------- */
 * {
     margin: 0;
@@ -33,14 +30,14 @@
 }
 
 body {
-    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
+    font-family: 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
     background: #0a0a0f;
     height: 100vh;
     overflow: hidden;
     color: #e0e0e0;
 }
 
-/* ---------- 数字专用字体（加粗） ---------- */
+/* ---------- 数字专用字体（使用 HarmonyOS Sans Light） ---------- */
 .digit,
 .big-number,
 .remote-port,
@@ -51,22 +48,23 @@ body {
 .login-btn,
 .save-btn,
 .btn-confirm {
-    font-weight: 600 !important;
+    font-weight: 300 !important;  /* Light 字重 */
     letter-spacing: 0.02em;
+    font-family: 'HarmonyOS Sans', 'JetBrains Mono', monospace;
 }
 
-/* 数字特别加粗（适用于大数字展示） */
+/* 数字特别加粗（适用于大数字展示）——但 Light 本身就细，这里加大字重覆盖 */
 .big-number {
-    font-weight: 700 !important;
+    font-weight: 600 !important;
     letter-spacing: -0.01em;
 }
 
-/* 代码/端口类数字使用等宽字体，但保持加粗 */
+/* 代码/端口类数字使用等宽字体，但保持 Light 风格 */
 .digit,
 .remote-port,
 .proxy-addr {
-    font-family: 'HarmonyOS Sans SC', 'JetBrains Mono', monospace;
-    font-weight: 600 !important;
+    font-family: 'HarmonyOS Sans', 'JetBrains Mono', monospace;
+    font-weight: 300 !important;
 }
 
 /* ---------- 全局颜色变量 ---------- */
@@ -175,7 +173,7 @@ body {
     height: 100%;
     display: flex;
     flex-direction: column;
-    padding: 20px 28px;          /* ← 补上内边距 */
+    padding: 20px 28px;
     opacity: 0;
     transition: opacity 0.3s ease;
 }