feat(阅读编辑): 连续布局去页缝并添加细分隔线

assets/webui/ofdgo.css

@@ -2886,6 +2886,16 @@ button.outline-link:hover {
 	box-shadow: none;
 }
 
+.page-frame.continuous .page-shell::after {
+	content: "";
+	position: absolute;
+	inset: 0;
+	border-right: 1px solid rgba(170, 183, 193, 0.55);
+	border-bottom: 1px solid rgba(170, 183, 193, 0.55);
+	pointer-events: none;
+	z-index: 1;
+}
+
 .page-shell.error {
 	background: #fff8f7;
 }