diff --git a/src/views/common/DocumentSearchWord.vue b/src/views/common/DocumentSearchWord.vue
index c2eced7..4f31288 100644
--- a/src/views/common/DocumentSearchWord.vue
+++ b/src/views/common/DocumentSearchWord.vue
@@ -472,7 +472,7 @@ export default {
             }
         },
 
-        smoothScrollTo(container, target, baseDuration = 300) {
+        smoothScrollTo(container, target, baseDuration = 350) {
             if (!container) return
             const maxScroll = container.scrollHeight - container.clientHeight
             const finalTarget = Math.min(Math.max(target, 0), Math.max(maxScroll, 0))
@@ -483,22 +483,25 @@ export default {
                 return
             }
 
-            const distanceFactor = Math.min(Math.abs(change) / Math.max(container.clientHeight, 1), 2.4)
-            const duration = Math.min(600, baseDuration + distanceFactor * 120)
+            const distance = Math.abs(change)
+            const viewportHeight = container.clientHeight
+            const distanceFactor = Math.min(distance / Math.max(viewportHeight, 1), 2.2)
+            const duration = Math.min(600, baseDuration + distanceFactor * 90)
 
             const startTime = performance.now()
-            const ease = (t) => 1 - Math.pow(1 - t, 3)
-            const velocityBoost = Math.min(Math.max(Math.abs(change) / 2400, 0), 0.25)
-
             this.cancelScrollAnimation()
 
+            const easeOutExpo = (t) => {
+                return t === 1 ? 1 : 1 - Math.pow(2, -10 * t)
+            }
+
             const step = (now) => {
                 const elapsed = now - startTime
                 const progress = Math.min(elapsed / duration, 1)
-                const eased = ease(progress)
-                const basePosition = start + change * eased
-                const overshoot = velocityBoost * Math.sin(eased * Math.PI)
-                container.scrollTop = Math.min(Math.max(basePosition + overshoot * change, 0), maxScroll)
+                const eased = easeOutExpo(progress)
+                const currentPosition = start + change * eased
+                
+                container.scrollTop = Math.min(Math.max(currentPosition, 0), maxScroll)
 
                 if (progress < 1) {
                     this.scrollAnimationFrame = requestAnimationFrame(step)
@@ -742,6 +745,11 @@ export default {
     overflow-y: auto;
     overflow-x: hidden;
     min-height: 0;
+    scroll-behavior: auto;
+    -webkit-overflow-scrolling: touch;
+    will-change: scroll-position;
+    transform: translateZ(0);
+    backface-visibility: hidden;
 }
 
 .doc-content {