界面优化：对齐参考图视觉风格

- 统计卡图标改为圆形光盘并加发光环（危险/警告/成功语义用边框色强调）
- 新增 3D 卡片栈视觉：总账端「重点公司」、公司端「账户覆盖」以透视扇形呈现，高亮当前需关注项
- 新增覆盖连续性时间轴（横向 12 月轴 + 账户覆盖条 + 今日指示）
- 统计卡与玻璃面板加入顶部内高光，提升层次与深度
- 补齐 1180/900/720/460 断点的卡片栈与时间轴响应式

Refs BAI-28

web/company.html

@@ -74,6 +74,17 @@
               </article>
             </section>
             <section class="company-alert"><svg><use href="icons.svg#circle-alert"/></svg><div><strong>7 月数据尚不能结账</strong><p>工商银行账户缺少 07.01—07.21 流水，补齐后系统将重新计算匹配结果。</p></div><button class="button primary" data-open-upload>补传流水</button></section>
+            <section class="panel deck-panel" aria-label="账户覆盖卡栈">
+              <div class="panel-heading"><div><h2>账户覆盖</h2><p>A公司 · 4 个银行账户 · 荧光绿为当前连续账户</p></div><span class="status warning">3 / 4 连续</span></div>
+              <div class="stack-deck" role="list">
+                <div class="deck-stage">
+                  <article class="deck-card" role="listitem" data-view-link="accounts" tabindex="0" aria-label="中信银行 5316 全部连续" style="--deck-offset:-200px;--deck-rotate:-14deg;--deck-scale:0.94;opacity:0.92;z-index:2"><span class="deck-pos">04</span><span class="deck-mark">中</span><div class="deck-name"><strong>中信银行 · 5316</strong><small>基本户</small></div><div class="deck-meta"><strong>01.01—07.31</strong><small>7 个月连续</small></div><div class="deck-foot"><span>最近导入 09:42</span><em class="status success">连续</em></div></article>
+                  <article class="deck-card" role="listitem" data-view-link="accounts" tabindex="0" aria-label="农业银行 3650 全部连续" style="--deck-offset:-90px;--deck-rotate:-6deg;--deck-scale:0.98;opacity:0.96;z-index:3"><span class="deck-pos">03</span><span class="deck-mark">农</span><div class="deck-name"><strong>农业银行 · 3650</strong><small>一般户</small></div><div class="deck-meta"><strong>01.01—07.31</strong><small>7 个月连续</small></div><div class="deck-foot"><span>最近导入 08.01</span><em class="status success">连续</em></div></article>
+                  <article class="deck-card is-active is-danger" role="listitem" data-open-upload tabindex="0" aria-label="工商银行 9481 缺少 21 天" style="transform:translate(0,0) rotate(0deg) scale(1);z-index:5"><span class="deck-pos">01</span><span class="deck-mark">工</span><div class="deck-name"><strong>工商银行 · 9481</strong><small>一般户</small></div><div class="deck-meta"><strong>缺口 21 天</strong><small>07.01—07.21</small></div><div class="deck-foot"><span>已逾期 2 天</span><em class="status danger">断档</em></div></article>
+                  <article class="deck-card" role="listitem" data-view-link="accounts" tabindex="0" aria-label="建设银行 0845 全部连续" style="--deck-offset:90px;--deck-rotate:6deg;--deck-scale:0.98;opacity:0.96;z-index:3"><span class="deck-pos">02</span><span class="deck-mark">建</span><div class="deck-name"><strong>建设银行 · 0845</strong><small>一般户</small></div><div class="deck-meta"><strong>01.01—07.31</strong><small>7 个月连续</small></div><div class="deck-foot"><span>最近导入 08.01</span><em class="status success">连续</em></div></article>
+                </div>
+              </div>
+            </section>
             <div class="company-dashboard-grid">
               <section class="panel task-panel">
                 <div class="panel-heading"><div><h2>需要处理</h2><p>按结账影响和期限排序</p></div></div>