diff --git a/public/app.js b/public/app.js
index 36cb83e..01c31a0 100644
--- a/public/app.js
+++ b/public/app.js
@@ -1060,7 +1060,7 @@ function openRealityScanner() {
   overlay.id = 'scan-overlay';
   overlay.className = 'modal-overlay';
   overlay.style.zIndex = '95';
-  overlay.innerHTML = `<section class="modal panel wide" role="dialog" aria-modal="true">
+  overlay.innerHTML = `<section class="modal panel scan-modal" role="dialog" aria-modal="true">
     <header class="modal-head"><h2>查找 Reality 目标</h2><button type="button" class="icon-btn" data-scan-close aria-label="关闭"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8"><path d="M18 6L6 18M6 6l12 12"/></svg></button></header>
     <div class="modal-body">
       <p class="links-note">从主控所在网络发起探测：可达性与延迟是主控视角，节点所在网络可能不同。</p>
@@ -1092,13 +1092,13 @@ async function runRealityScan() {
     const input = $('#scan-input') ? $('#scan-input').value.trim() : '';
     const data = await api('/api/reality/scan', { method: 'POST', body: JSON.stringify({ input }) });
     const rows = (data.results || []).map((r) => `<tr>
-      <td>${esc(r.target)}${Number(r.port) !== 443 ? `:${esc(r.port)}` : ''}</td>
+      <td class="scan-target" title="${esc(r.target)}">${esc(r.target)}${Number(r.port) !== 443 ? `:${esc(r.port)}` : ''}</td>
       <td>${r.ok ? '<span class="badge green">可用</span>' : '<span class="badge gray">不可用</span>'}</td>
       <td>${esc(r.tlsVersion || '—')}</td><td>${esc(r.alpn || '—')}</td>
-      <td>${esc(r.keyExchange || '—')}</td><td>${esc(r.certName || '—')}</td>
-      <td>${r.ok ? `${esc(r.latencyMs)} ms` : esc(r.reason || '')}</td>
+      <td>${esc(r.keyExchange || '—')}</td><td class="scan-cert" title="${esc(r.certName || '')}">${esc(r.certName || '—')}</td>
+      <td class="scan-reason">${r.ok ? `${esc(r.latencyMs)} ms` : esc(r.reason || '')}</td>
       <td>${r.ok ? `<button type="button" class="btn small" data-scan-use data-host="${esc(r.host)}" data-port="${esc(r.port)}">使用</button>` : ''}</td></tr>`).join('');
-    box.innerHTML = `<div class="table-wrap visible"><table class="scan-table"><thead><tr><th>目标</th><th>状态</th><th>TLS</th><th>ALPN</th><th>密钥交换</th><th>证书域名</th><th>延迟 / 原因</th><th></th></tr></thead><tbody>${rows || '<tr><td colspan="8">无结果</td></tr>'}</tbody></table></div>`;
+    box.innerHTML = `<div class="scan-wrap"><table class="scan-table"><thead><tr><th>目标</th><th>状态</th><th>TLS</th><th>ALPN</th><th>密钥交换</th><th>证书域名</th><th>延迟 / 原因</th><th></th></tr></thead><tbody>${rows || '<tr><td colspan="8">无结果</td></tr>'}</tbody></table></div>`;
   } catch (error) { box.innerHTML = `<div class="empty"><b>${esc(error.message)}</b></div>`; }
 }
 function nodeClientsModal(node) {
diff --git a/public/styles.css b/public/styles.css
index 2998228..98f0b52 100644
--- a/public/styles.css
+++ b/public/styles.css
@@ -408,3 +408,10 @@ label>input:focus,label>select:focus,label>textarea:focus{border-color:var(--pri
 .scan-table{width:100%;border-collapse:collapse;font-size:13px}
 .scan-table th,.scan-table td{padding:6px 8px;text-align:left;border-bottom:1px solid var(--border-soft);white-space:nowrap}
 .scan-table th{color:var(--mut);font-weight:600}
+/* 扫描器浮层专属收口（真机修复：结果表曾冲出弹窗边框）：弹窗加宽、结果容器
+   横向滚动兜底、目标/证书列截断、失败原因列允许换行。全部 .scan- 专属，
+   不影响节点编辑弹窗本体与其它弹窗/主页面表格的既有布局。 */
+.modal.scan-modal{width:1140px}
+.scan-wrap{overflow-x:auto}
+.scan-table td.scan-target,.scan-table td.scan-cert{max-width:230px;overflow:hidden;text-overflow:ellipsis}
+.scan-table td.scan-reason{white-space:normal;max-width:280px;overflow-wrap:anywhere}