修复：

- 登录弹窗布局重排：左侧 logo，右侧登录名/密码输入框，底部小字提示"登录以获取节点配置"+ 取消/登录按钮

lite/proxy_lite.py

@@ -1123,7 +1123,7 @@ class LoginDialog(QDialog):
         super().__init__(parent)
         self.setWindowTitle("节点配置登录")
         self.setWindowIcon(load_icon())
-        self.setFixedSize(300, 232)
+        self.setFixedSize(340, 190)
         self.setStyleSheet(f"""
             QDialog {{ background-color: {C_BG}; }}
             QLabel {{ color: {C_TEXT}; font-family: "Microsoft YaHei", "Segoe UI", sans-serif; font-size: 12px; }}
@@ -1149,47 +1149,50 @@ class LoginDialog(QDialog):
             }}
         """)
 
-        layout = QVBoxLayout(self)
-        layout.setSpacing(10)
-        layout.setContentsMargins(20, 16, 20, 16)
+        root = QHBoxLayout(self)
+        root.setSpacing(14)
+        root.setContentsMargins(20, 18, 20, 16)
 
-        title = QLabel("节点配置登录")
-        title.setStyleSheet(f"color: {C_TITLE}; font-size: 15px; font-weight: bold;")
-        title.setAlignment(Qt.AlignCenter)
-        layout.addWidget(title)
-
-        hint = QLabel("登录后自动获取节点配置")
-        hint.setStyleSheet(f"color: {C_SUBTEXT}; font-size: 11px;")
-        hint.setAlignment(Qt.AlignCenter)
-        layout.addWidget(hint)
+        # 左侧 logo
+        logo = QLabel()
+        logo.setPixmap(load_icon().pixmap(48, 48))
+        logo.setFixedSize(48, 48)
+        logo.setAlignment(Qt.AlignCenter)
+        root.addWidget(logo, 0, Qt.AlignVCenter)
 
+        # 右侧表单
+        form = QVBoxLayout()
+        form.setSpacing(8)
         self.ed_user = QLineEdit()
-        self.ed_user.setPlaceholderText("用户名")
-        layout.addWidget(self.ed_user)
+        self.ed_user.setPlaceholderText("登录名")
+        form.addWidget(self.ed_user)
 
         self.ed_pass = QLineEdit()
         self.ed_pass.setPlaceholderText("密码")
         self.ed_pass.setEchoMode(QLineEdit.Password)
         self.ed_pass.returnPressed.connect(self._submit)
-        layout.addWidget(self.ed_pass)
+        form.addWidget(self.ed_pass)
 
         self.lb_err = QLabel("")
         self.lb_err.setStyleSheet(f"color: {C_RED}; font-size: 11px;")
-        self.lb_err.setAlignment(Qt.AlignCenter)
-        layout.addWidget(self.lb_err)
+        form.addWidget(self.lb_err)
 
-        btns = QHBoxLayout()
-        btns.addStretch()
+        bottom = QHBoxLayout()
+        bottom.setSpacing(10)
+        hint = QLabel("登录以获取节点配置")
+        hint.setStyleSheet(f"color: {C_SUBTEXT}; font-size: 10px;")
+        bottom.addWidget(hint)
+        bottom.addStretch()
         self.btn_cancel = QPushButton("取消")
         self.btn_cancel.setObjectName("btnCancel")
         self.btn_cancel.clicked.connect(self.reject)
-        btns.addWidget(self.btn_cancel)
+        bottom.addWidget(self.btn_cancel)
         self.btn_ok = QPushButton("登录")
         self.btn_ok.setObjectName("btnOk")
         self.btn_ok.clicked.connect(self._submit)
-        btns.addWidget(self.btn_ok)
-        btns.addStretch()
-        layout.addLayout(btns)
+        bottom.addWidget(self.btn_ok)
+        form.addLayout(bottom)
+        root.addLayout(form, 1)
 
         self._done.connect(self._on_done)