improvement(wrapped): 优化月度好友墙木板布局与拖拽交互

- 重构月度好友墙卡片容器与木板视觉层

- 优化卡片尺寸、旋转分布、阴影与入场动画

- 支持拍立得拖拽、悬停放大与层级提升

frontend/components/wrapped/cards/Card04MonthlyBestFriendsWall.vue

@@ -1,98 +1,162 @@
 <template>
-  <WrappedCardShell :card-id="card.id" :title="card.title" :narrative="card.narrative || ''" :variant="variant" :wide="true">
-    <div class="w-full">
-      <div class="flex flex-wrap justify-center gap-x-3 gap-y-4 px-3 py-2">
-        <article
-          v-for="item in months"
-          :key="`month-${item.month}`"
-          class="relative flex-shrink-0 monthly-polaroid"
-          :class="item.winner ? '' : 'monthly-polaroid--empty'"
-          :style="monthCardStyle(item.month)"
-        >
-          <!-- 有获胜者 -->
-          <template v-if="item.winner">
-            <div class="flex items-start gap-1.5 pt-0.5 px-0.5">
-              <!-- 头像 -->
-              <div class="polaroid-photo flex-shrink-0">
-                <img
-                  v-if="winnerAvatar(item) && avatarOk[item.winner.username] !== false"
-                  :src="winnerAvatar(item)"
-                  class="w-full h-full object-cover"
-                  alt="avatar"
-                  @error="avatarOk[item.winner.username] = false"
-                />
-                <span v-else class="wrapped-number text-xl select-none" style="color:var(--accent)">
-                  {{ avatarFallback(item.winner.displayName) }}
-                </span>
-              </div>
-              <!-- 右列：姓名 / 月份 / 综合分 / 4 维度 -->
-              <div class="flex-1 min-w-0 pt-0.5 flex flex-col justify-between" style="height:70px">
-                <div>
-                  <div class="flex items-center justify-between gap-1 min-w-0">
-                    <div class="wrapped-body text-[10px] text-[#000000cc] truncate flex-1 leading-tight" :title="item.winner.displayName">
-                      {{ item.winner.displayName }}
-                    </div>
-                    <!-- 月份徽章 -->
-                    <div class="month-badge wrapped-number text-[8px] font-bold flex-shrink-0" :style="{ color: 'var(--accent)', borderColor: 'var(--accent)' }">
-                      {{ item.month }}月
-                    </div>
-                  </div>
-                  <div class="mt-0.5 wrapped-number text-[9px] font-semibold" :style="{ color: 'var(--accent)' }">
-                    综合分 {{ formatScore(item.winner.score100) }}
-                  </div>
-                </div>
-                <!-- 4 维度 2×2 -->
-                <div class="grid grid-cols-2 gap-x-2 gap-y-1">
-                  <div v-for="metric in metricRows(item)" :key="metric.key" class="min-w-0">
-                    <div class="flex items-center justify-between wrapped-label text-[8px] text-[#00000066]">
-                      <span class="truncate">{{ metric.label }}</span>
-                      <span v-if="metric.pct !== 100" class="wrapped-number flex-shrink-0 ml-0.5">{{ metric.pct }}</span>
-                    </div>
-                    <div class="mt-0.5 h-1 rounded-full bg-[#0000000D] overflow-hidden">
-                      <div class="h-full rounded-full" :style="{ width: `${metric.pct}%`, backgroundColor: 'var(--accent)', opacity: '0.75' }" />
-                    </div>
-                  </div>
-                </div>
-              </div>
-            </div>
-            <!-- 统计行 -->
-            <div class="polaroid-caption">
-              <div class="wrapped-body text-[9px] text-[#00000055] leading-snug">
-                共 <span class="wrapped-number text-[#000000aa]">{{ formatInt(item?.raw?.totalMessages) }}</span> 条 ·
-                互动 <span class="wrapped-number text-[#000000aa]">{{ formatInt(item?.raw?.interaction) }}</span> 次 ·
-                活跃 <span class="wrapped-number text-[#000000aa]">{{ formatInt(item?.raw?.activeDays) }}</span> 天
-              </div>
-            </div>
-          </template>
+  <!-- 由于父级 section 存在高度受限 (height: 695px)，取消激进的负间距和平移，改用温和的 padding 调整内部空间 -->
+  <WrappedCardShell :card-id="card.id" :title="card.title" :narrative="card.narrative || ''" :variant="variant" :wide="true" class="h-full monthly-best-friends-shell-lift">
+    <!-- 将 mt 设为 0 或微负，整体靠容器 flex 分布 -->
+    <div class="w-full h-full p-2 sm:p-4 -mt-5 sm:-mt-6 flex items-stretch">
+      <!-- 拟真木板容器 -->
+      <div class="wood-board-container relative w-full h-full rounded-2xl shadow-[0_10px_25px_rgba(0,0,0,0.15)] flex flex-col">
+        <!-- 背景图层：必须带上 rounded-2xl 否则纯 CSS background 会溢出直角 -->
+        <div class="wood-board-bg absolute inset-0 rounded-2xl"></div>
+        <!-- 边缘受光与暗角阴影，且通过 overflow-hidden 和 rounded-2xl 确保不破坏外壳 -->
+        <div class="wood-board-frame absolute inset-0 pointer-events-none z-20 rounded-2xl overflow-hidden"></div>
 
-          <!-- 无数据：空白拍立得 -->
-          <template v-else>
-            <div class="polaroid-photo-empty flex-shrink-0 mx-auto">
-              <span class="text-lg select-none" style="color:var(--accent);opacity:0.25">〜</span>
-            </div>
-            <div class="polaroid-caption">
-              <div class="flex items-center justify-between gap-1">
-                <div class="wrapped-label text-[9px] text-[#00000044]">本月静悄悄</div>
-                <div class="month-badge wrapped-number text-[8px]" :style="{ color: 'var(--accent)', borderColor: 'var(--accent)', opacity: '0.5' }">
-                  {{ item.month }}月
+        <!-- 滚动区域包裹拍立得 -->
+        <div class="flex flex-wrap justify-center content-start gap-x-6 sm:gap-x-8 gap-y-12 sm:gap-y-14 px-4 sm:px-8 py-8 w-full h-full relative z-10 overflow-y-auto overflow-x-hidden custom-scrollbar rounded-2xl">
+          <article
+            v-for="(item, index) in months"
+            :key="`month-${item.month}`"
+            class="relative flex-shrink-0 monthly-polaroid origin-center select-none cursor-grab"
+            :class="[
+              item.winner ? '' : 'monthly-polaroid--empty',
+              { 'is-dragging': positions[index].dragging }
+            ]"
+            :style="monthCardStyle(item.month, index)"
+            @pointerdown="(e) => onPointerDown(e, index)"
+            @pointermove="onPointerMove"
+            @pointerup="onPointerUp"
+            @pointercancel="onPointerUp"
+          >
+            <!-- 有获胜者 -->
+            <template v-if="item.winner">
+              <div class="flex items-start gap-1.5 pt-0.5 px-0.5">
+                <!-- 头像 -->
+                <div class="polaroid-photo flex-shrink-0">
+                  <img
+                    v-if="winnerAvatar(item) && avatarOk[item.winner.username] !== false"
+                    :src="winnerAvatar(item)"
+                    class="w-full h-full object-cover"
+                    alt="avatar"
+                    @error="avatarOk[item.winner.username] = false"
+                  />
+                  <span v-else class="wrapped-number text-xl select-none" style="color:var(--accent)">
+                    {{ avatarFallback(item.winner.displayName) }}
+                  </span>
+                </div>
+                <!-- 右列：姓名 / 月份 / 综合分 / 4 维度 -->
+                <div class="flex-1 min-w-0 pt-0.5 flex flex-col justify-between" style="height:70px">
+                  <div>
+                    <div class="flex items-center justify-between gap-1 min-w-0">
+                      <div class="wrapped-body text-[10px] text-[#000000cc] truncate flex-1 leading-tight" :title="item.winner.displayName">
+                        {{ item.winner.displayName }}
+                      </div>
+                      <!-- 月份徽章 -->
+                      <div class="month-badge wrapped-number text-[8px] font-bold flex-shrink-0" :style="{ color: 'var(--accent)', borderColor: 'var(--accent)' }">
+                        {{ item.month }}月
+                      </div>
+                    </div>
+                    <div class="mt-0.5 wrapped-number text-[9px] font-semibold" :style="{ color: 'var(--accent)' }">
+                      综合分 {{ formatScore(item.winner.score100) }}
+                    </div>
+                  </div>
+                  <!-- 4 维度 2×2 -->
+                  <div class="grid grid-cols-2 gap-x-2 gap-y-1">
+                    <div v-for="metric in metricRows(item)" :key="metric.key" class="min-w-0">
+                      <div class="flex items-center justify-between wrapped-label text-[8px] text-[#00000066]">
+                        <span class="truncate">{{ metric.label }}</span>
+                        <span v-if="metric.pct !== 100" class="wrapped-number flex-shrink-0 ml-0.5">{{ metric.pct }}</span>
+                      </div>
+                      <div class="mt-0.5 h-1 rounded-full bg-[#0000000D] overflow-hidden">
+                        <div class="h-full rounded-full" :style="{ width: `${metric.pct}%`, backgroundColor: 'var(--accent)', opacity: '0.75' }" />
+                      </div>
+                    </div>
+                  </div>
                 </div>
               </div>
-            </div>
-          </template>
-        </article>
+              <!-- 统计行 -->
+              <div class="polaroid-caption">
+                <div class="wrapped-body text-[9px] text-[#00000055] leading-snug">
+                  共 <span class="wrapped-number text-[#000000aa]">{{ formatInt(item?.raw?.totalMessages) }}</span> 条 ·
+                  互动 <span class="wrapped-number text-[#000000aa]">{{ formatInt(item?.raw?.interaction) }}</span> 次 ·
+                  活跃 <span class="wrapped-number text-[#000000aa]">{{ formatInt(item?.raw?.activeDays) }}</span> 天
+                </div>
+              </div>
+            </template>
+
+            <!-- 无数据：空白拍立得 -->
+            <template v-else>
+              <div class="polaroid-photo-empty flex-shrink-0 mx-auto">
+                <span class="text-lg select-none" style="color:var(--accent);opacity:0.25">〜</span>
+              </div>
+              <div class="polaroid-caption">
+                <div class="flex items-center justify-between gap-1">
+                  <div class="wrapped-label text-[9px] text-[#00000044]">本月静悄悄</div>
+                  <div class="month-badge wrapped-number text-[8px]" :style="{ color: 'var(--accent)', borderColor: 'var(--accent)', opacity: '0.5' }">
+                    {{ item.month }}月
+                  </div>
+                </div>
+              </div>
+            </template>
+          </article>
+        </div>
       </div>
     </div>
   </WrappedCardShell>
 </template>
 
 <script setup>
-import { computed, reactive, watch } from 'vue'
+import { computed, reactive, watch, ref } from 'vue'
 
 const props = defineProps({
   card: { type: Object, required: true },
   variant: { type: String, default: 'panel' }
 })
 
+// === 拖拽交互状态 ===
+let maxZ = 10;
+const draggingIdx = ref(-1);
+const startCoords = { x: 0, y: 0 };
+const initialOffsets = { dx: 0, dy: 0 };
+const positions = reactive(Array(12).fill(0).map(() => ({ dx: 0, dy: 0, z: 1, dragging: false })))
+
+const onPointerDown = (e, index) => {
+  if (e.button !== 0 && e.type.startsWith('mouse')) return;
+  e.preventDefault();
+
+  const el = e.currentTarget;
+  el.setPointerCapture(e.pointerId);
+
+  draggingIdx.value = index;
+  maxZ += 1;
+  positions[index].z = maxZ;
+  positions[index].dragging = true;
+
+  startCoords.x = e.clientX;
+  startCoords.y = e.clientY;
+  initialOffsets.dx = positions[index].dx;
+  initialOffsets.dy = positions[index].dy;
+}
+
+const onPointerMove = (e) => {
+  if (draggingIdx.value === -1) return;
+  const idx = draggingIdx.value;
+  const dx = e.clientX - startCoords.x;
+  const dy = e.clientY - startCoords.y;
+  positions[idx].dx = initialOffsets.dx + dx;
+  positions[idx].dy = initialOffsets.dy + dy;
+}
+
+const onPointerUp = (e) => {
+  if (draggingIdx.value === -1) return;
+  const idx = draggingIdx.value;
+  positions[idx].dragging = false;
+
+  const el = e.currentTarget;
+  if (el.hasPointerCapture(e.pointerId)) {
+    el.releasePointerCapture(e.pointerId);
+  }
+  draggingIdx.value = -1;
+}
+
 const nfInt = new Intl.NumberFormat('zh-CN', { maximumFractionDigits: 0 })
 const formatInt = (n) => nfInt.format(Math.round(Number(n) || 0))
 const formatScore = (n) => {
@@ -172,37 +236,128 @@ const accents = [
   '#4A8EB5', // 12月 冬湖蓝
 ]
 
-const monthCardStyle = (month) => {
+const monthCardStyle = (month, vIndex) => {
   const idx = Math.max(0, Math.min(11, Number(month || 1) - 1))
-  const rotations = [-9, 5, -4, 11, -2, 8, -7, 3, -10, 6, -3, 9]
-  const yOffsets  = [5, -4, 6, -5, 3, -7, 3, -4, 7, -3, 5, -4]
-  const widths    = [172, 165, 178, 168, 175, 163, 172, 167, 165, 178, 165, 170]
+  // Increase angle spread
+  const rotations = [-11, 8, -6, 14, -5, 12, -9, 4, -13, 7, -4, 11]
+  // Significantly adjust vertical scatter to fill whitespace across two rows
+  const yOffsets  = [20, -10, 30, -20, 15, -25, 25, -15, 35, -5, 10, -30]
+  // Base width scaled up
+  const widths    = [198, 192, 204, 194, 201, 190, 198, 194, 192, 204, 192, 196]
+
+  const p = positions[vIndex] || { dx: 0, dy: 0, z: 1 }
+  const ty = yOffsets[idx]
+
   return {
-    transform: `rotate(${rotations[idx]}deg) translateY(${yOffsets[idx]}px)`,
-    width: `${widths[idx]}px`,
-    '--delay':  `${idx * 0.07}s`,
+    '--rotate': `${rotations[idx]}deg`,
+    '--drag-x': `${p.dx}px`,
+    '--drag-y': `${p.dy + ty}px`,
+    '--width': `${widths[idx]}px`,
+    '--delay':  `${idx * 0.08}s`,
     '--accent': accents[idx],
+    'z-index': p.z > 1 ? p.z : undefined,
   }
 }
 </script>
 
 <style scoped>
+.monthly-best-friends-shell-lift :deep(.relative.h-full.flex.flex-col) {
+  padding-top: 2rem !important;
+}
+
+/* ── 拟真浅色木板背景（纯CSS） ── */
+.wood-board-bg {
+  /* 基础底色：温暖且带有微小绿意的米白/浅卡其，和应用背景呼应 */
+  background-color: #E8EDE4;
+  background-image:
+    /* 木板接缝的立体浅灰阴影 */
+    repeating-linear-gradient(to right, transparent, transparent 19.5%, rgba(0,0,0,0.04) 19.8%, rgba(0,0,0,0.08) 20%, transparent 20.2%),
+    /* 细微的纵向浅色木纹 */
+    repeating-linear-gradient(to right, transparent, transparent 1px, rgba(0,0,0,0.01) 1px, rgba(0,0,0,0.01) 2px),
+    /* 宽条纹基础色差模拟浅色木材打磨 */
+    linear-gradient(90deg, #E2e8DD 0%, #ebf0e7 15%, #E2e8DD 30%, #E8EDE4 50%, #dce4d6 75%, #E2e8DD 100%);
+  background-size: 100% 100%;
+}
+
+.wood-board-frame {
+  /* 去掉黑重的边框，改为温和的内收高光与微弱阴影边缘 */
+  box-shadow:
+    inset 0 0 40px rgba(0,0,0,0.06),
+    inset 0 0 100px rgba(0,0,0,0.03),
+    inset 0 1px 2px rgba(255,255,255,0.8),
+    inset 0 -1px 3px rgba(0,0,0,0.05);
+  border: 4px solid rgba(255, 255, 255, 0.4);
+  border-bottom-color: rgba(220, 230, 215, 0.6);
+  border-top-color: rgba(255, 255, 255, 0.9);
+  border-radius: 1rem;
+}
+
+/* 隐藏式滚动条，不破坏木板质感 */
+.wood-board-container .custom-scrollbar::-webkit-scrollbar {
+  width: 6px;
+}
+.wood-board-container .custom-scrollbar::-webkit-scrollbar-track {
+  background: transparent;
+}
+.wood-board-container .custom-scrollbar::-webkit-scrollbar-thumb {
+  background: rgba(0, 0, 0, 0.1);
+  border-radius: 4px;
+}
+.wood-board-container .custom-scrollbar::-webkit-scrollbar-thumb:hover {
+  background: rgba(0, 0, 0, 0.2);
+}
+
 /* ── 拍立得卡片基础 ── */
 .monthly-polaroid {
   background: #FFFDF7;  /* 暖奶油底色 */
   padding: 4px 4px 0;
   border-radius: 3px;
+  /* 浅色背景下适度减弱阴影，保留立体感但不过于突兀 */
   box-shadow:
-    0 1px 1px rgba(0,0,0,0.06),
-    0 4px 12px rgba(0,0,0,0.10),
-    0 12px 28px rgba(0,0,0,0.08);
-  animation: cardAppear 0.4s ease-out both;
+    0 2px 6px rgba(0,0,0,0.08),
+    0 8px 16px rgba(0,0,0,0.06),
+    0 16px 32px rgba(0,0,0,0.04);
+  width: var(--width, 170px);
+  transform: translate(var(--drag-x, 0px), var(--drag-y, 0px)) rotate(var(--rotate, 0deg));
+  transform-origin: center center;
+  position: relative;
+  z-index: 1;
+  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease, z-index 0s 0.4s;
+  animation: cardAppear 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
   animation-delay: var(--delay, 0s);
+  touch-action: none;
+}
+
+.monthly-polaroid:hover:not(.is-dragging) {
+  transform: translate(var(--drag-x, 0px), var(--drag-y, 0px)) scale(1.15) rotate(0deg) !important;
+  z-index: 9999 !important;
+  box-shadow:
+    0 20px 40px rgba(0,0,0,0.12),
+    0 8px 16px rgba(0,0,0,0.08);
+  cursor: grab;
+  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease, z-index 0s 0s;
+}
+
+.monthly-polaroid.is-dragging {
+  transition: transform 0s ease, box-shadow 0s ease !important;
+  cursor: grabbing !important;
+  z-index: 10000 !important;
+  /* 拖拽时适度缩放，保留旋转角度 */
+  transform: translate(var(--drag-x, 0px), var(--drag-y, 0px)) scale(1.05) rotate(var(--rotate, 0deg)) !important;
+  box-shadow:
+    0 24px 48px rgba(0,0,0,0.15),
+    0 12px 20px rgba(0,0,0,0.1);
 }
 
 @keyframes cardAppear {
-  from { opacity: 0; }
-  to   { opacity: 1; }
+  0% {
+    opacity: 0;
+    transform: translate(var(--drag-x, 0px), calc(var(--drag-y, 0px) + 40px)) rotate(0deg) scale(0.8);
+  }
+  100% {
+    opacity: 1;
+    transform: translate(var(--drag-x, 0px), var(--drag-y, 0px)) rotate(var(--rotate, 0deg)) scale(1);
+  }
 }
 
 /* 空月卡片底色更浅 */
@@ -221,9 +376,20 @@ const monthCardStyle = (month) => {
   transform: translateX(-50%) rotate(-1deg);
   border-radius: 2px;
   background: var(--accent, #c8a060);
-  opacity: 0.55;
-  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
+  /* 调高胶带透明度并在浅色背景上自然融合 */
+  opacity: 0.85;
+  box-shadow:
+    0 1px 2px rgba(0,0,0,0.08),
+    inset 0 1px 1px rgba(255,255,255,0.6);
   z-index: 1;
+  transition: transform 0.3s ease;
+}
+
+.monthly-polaroid:hover::before {
+  transform: translateX(-50%) rotate(-4deg) scale(1.05);
+  box-shadow:
+    0 2px 4px rgba(0,0,0,0.12),
+    inset 0 1px 1px rgba(255,255,255,0.6);
 }
 
 /* ── 头像区域 ── */