src/components/common/NativeDateSelect.vue

@@ -212,6 +212,32 @@ const updatePart = (part: DatePart, value: string) => {
   pointer-events: none;
 }
 
+@media (max-width: 639px) {
+  .native-date-strip {
+    min-height: 2.35rem;
+    padding-inline: 0.35ch;
+  }
+
+  .native-date-part {
+    height: 2.25rem;
+    font-size: 0.82rem;
+  }
+
+  .native-date-year {
+    width: 3.7ch;
+  }
+
+  .native-date-month,
+  .native-date-day {
+    width: 1.8ch;
+  }
+
+  .native-date-separator {
+    margin-inline: 0.15ch;
+    font-size: 0.82rem;
+  }
+}
+
 .dark .native-date-strip {
   background: rgba(38, 57, 65, 0.62);
   color: #d8e3e5;

src/components/common/SmoothTrendCanvas.vue

@@ -44,10 +44,11 @@ const emit = defineEmits<{
 }>()
 
 type DragState = {
-  startX: number
+  startOffset: number
   lastX: number
   time: number
   pointerType: string
+  isTimeline: boolean
   moved: boolean
 }
 
@@ -162,10 +163,11 @@ const draw = (timestamp = performance.now()) => {
   const padBottom = mobile ? 42 : 36
   const width = Math.max(1, rect.width - padLeft - padRight)
   const height = Math.max(1, rect.height - padTop - padBottom)
-  const max = Math.max(
-    1,
+  const rawMax = Math.max(
+    0,
     ...visible.flatMap((row) => [Number(row.downloads || 0), Number(row.uploads || 0)])
   )
+  const max = rawMax <= 2 ? 3 : Math.ceil(rawMax / 3) * 3
   const muted = props.isDarkMode ? '#9ca3af' : '#6b7280'
   const border = props.isDarkMode ? '#374151' : '#e5e7eb'
   const downloadColor = props.isDarkMode ? '#8fb6c5' : '#5f8fa3'
@@ -185,17 +187,23 @@ const draw = (timestamp = performance.now()) => {
   }
 
   const denominator = Math.max(1, windowSize.value - 1)
+  const plotLeft = padLeft
+  const plotRight = padLeft + width
   const buildPoints = (field: 'downloads' | 'uploads') =>
     visible
       .map((row, index) => {
         const sourceIndex = start + index
         return {
-          x: padLeft + ((sourceIndex - offset.value) / denominator) * width,
+          x: clamp(
+            padLeft + ((sourceIndex - offset.value) / denominator) * width,
+            plotLeft,
+            plotRight
+          ),
           y: padTop + height - (Number(row[field] || 0) / max) * height,
           row
         }
       })
-      .filter((point) => point.x >= padLeft - 50 && point.x <= padLeft + width + 50)
+      .filter((point) => point.x >= plotLeft && point.x <= plotRight)
 
   const drawSeries = (points: ChartPoint[], color: string) => {
     ctx.strokeStyle = color
@@ -392,17 +400,21 @@ const setHoverFromClientX = (clientX: number) => {
 }
 
 const handlePointerDown = (event: PointerEvent) => {
+  const rect = canvasRef.value?.getBoundingClientRect()
   canvasRef.value?.setPointerCapture(event.pointerId)
   cancelInertia()
   velocity.value = 0
   setHoverFromClientX(event.clientX)
+  const isTimeline = Boolean(rect && event.clientY - rect.top >= rect.height - 52)
   drag.value = {
-    startX: event.clientX,
+    startOffset: offset.value,
     lastX: event.clientX,
     time: event.timeStamp || performance.now(),
     pointerType: event.pointerType,
+    isTimeline,
     moved: false
   }
+  if (isTimeline) canvasRef.value!.style.touchAction = 'none'
 }
 
 const handlePointerMove = (event: PointerEvent) => {
@@ -416,12 +428,12 @@ const handlePointerMove = (event: PointerEvent) => {
     return
   }
 
-  if (drag.value.pointerType === 'touch') {
+  if (drag.value.pointerType === 'touch' && !drag.value.isTimeline) {
     scheduleDraw()
     return
   }
 
-  const totalDistance = Math.abs(latestEvent.clientX - drag.value.startX)
+  const totalDistance = Math.abs(latestEvent.clientX - drag.value.lastX)
   const threshold = 3
   if (!drag.value.moved && totalDistance < threshold) {
     scheduleDraw()
@@ -440,15 +452,18 @@ const handlePointerMove = (event: PointerEvent) => {
 }
 
 const handlePointerUp = () => {
+  const timelineDrag = drag.value?.isTimeline
   const shouldInertia = Boolean(drag.value?.moved)
   drag.value = null
+  if (canvasRef.value) canvasRef.value.style.touchAction = ''
   cancelInertia()
-  if (shouldInertia) inertiaRafId.value = window.requestAnimationFrame(applyInertia)
+  if (shouldInertia && !timelineDrag) inertiaRafId.value = window.requestAnimationFrame(applyInertia)
   else scheduleDraw()
 }
 
 const handlePointerCancel = () => {
   drag.value = null
+  if (canvasRef.value) canvasRef.value.style.touchAction = ''
 }
 
 const handlePointerLeave = () => {

src/views/manage/DashboardView.vue

@@ -239,10 +239,9 @@
             <p class="text-sm" :class="[mutedTextClass]">
               {{ analyticsSummaryText }}
             </p>
-            <p class="mt-1 text-xs sm:hidden" :class="[mutedTextClass]">轻触或滑动查看数据，使用下方按钮调整范围</p>
+            <p class="mt-1 text-xs sm:hidden" :class="[mutedTextClass]">轻触或滑动查看数据；拖动底部日期轴平移图表</p>
           </div>
-          <div class="w-full max-w-full space-y-3 lg:w-auto">
-            <div class="flex flex-col gap-2 sm:flex-row sm:items-center">
+          <div class="flex w-full min-w-0 items-center justify-center gap-1.5 sm:w-auto sm:flex-row sm:gap-2">
               <NativeDateSelect
                 v-model="analyticsStart"
                 :field-class="fieldClass"
@@ -250,7 +249,7 @@
                 @change="fetchAnalyticsData"
               />
               <span
-                class="self-center text-sm font-semibold"
+                class="shrink-0 text-sm font-semibold"
                 :class="[isDarkMode ? 'text-[#aabdc2]' : 'text-[#789096]']"
               >
                 -
@@ -262,7 +261,7 @@
                 @change="fetchAnalyticsData"
               />
             </div>
-            <div class="grid grid-cols-3 gap-2 sm:flex sm:justify-end">
+            <div class="hidden grid-cols-3 gap-2 sm:flex sm:justify-end">
               <BaseButton
                 variant="outline"
                 size="sm"
@@ -288,7 +287,6 @@
                 重置
               </BaseButton>
             </div>
-          </div>
         </div>
         <div
           v-if="analyticsError"