diff --git a/frontend/src/styles/app.css b/frontend/src/styles/app.css
index 610cbaa..a7676d9 100644
--- a/frontend/src/styles/app.css
+++ b/frontend/src/styles/app.css
@@ -686,6 +686,9 @@ input {
   border: 1px solid var(--line);
   border-radius: 10px;
   padding: 16px;
+  min-width: 0;
+  max-width: 100%;
+  box-sizing: border-box;
 }
 
 .grid-2 {
@@ -705,9 +708,10 @@ input {
   justify-content: space-between;
   align-items: flex-start;
   gap: 12px;
-  padding: 8px 0;
+  padding: 10px 0;
   border-bottom: 1px solid var(--line);
   font-size: 14px;
+  min-width: 0;
 }
 
 .kv:last-child {
@@ -728,7 +732,7 @@ input {
   overflow-wrap: anywhere;
   word-break: break-word;
   white-space: normal;
-  line-height: 1.35;
+  line-height: 1.45;
 }
 
 .plan-residual-block {
@@ -1082,14 +1086,17 @@ input {
   }
 }
 
-/* 计划页：上排策略|持仓顶底对齐；下排行情同列宽对齐 */
+/* 计划页：上排策略|持仓；窄窗允许内容撑开，避免持仓被裁切 */
 .plan-shell {
-  --plan-cols: minmax(280px, 1fr) minmax(320px, 1.15fr);
+  --plan-cols: minmax(0, 1fr) minmax(0, 1.15fr);
   --plan-gap: 12px;
   display: flex;
   flex-direction: column;
   gap: var(--plan-gap);
   margin-bottom: 12px;
+  min-width: 0;
+  width: 100%;
+  box-sizing: border-box;
 }
 
 .plan-board,
@@ -1098,10 +1105,11 @@ input {
   grid-template-columns: var(--plan-cols);
   gap: var(--plan-gap);
   min-width: 0;
+  width: 100%;
 }
 
 .plan-board {
-  align-items: stretch;
+  align-items: start;
 }
 
 .plan-panel-title {
@@ -1114,40 +1122,42 @@ input {
 .plan-strategy {
   display: flex;
   flex-direction: column;
-  height: 100%;
   min-height: 0;
   min-width: 0;
+  width: 100%;
   box-sizing: border-box;
-  overflow: hidden;
+  overflow: visible;
 }
 
 .plan-metrics {
   display: flex;
   flex-direction: column;
-  flex: 1;
   min-height: 0;
   min-width: 0;
 }
 
 .plan-metrics .kv {
   min-width: 0;
+  flex: 0 0 auto;
 }
 
 .plan-positions {
   display: flex;
   flex-direction: column;
   gap: var(--plan-gap);
-  height: 100%;
   min-height: 0;
   min-width: 0;
+  width: 100%;
 }
 
 .plan-positions .pos-card,
 .plan-positions .pos-empty {
-  flex: 1 1 0;
+  flex: 0 0 auto;
   display: flex;
   flex-direction: column;
   min-height: 0;
+  min-width: 0;
+  width: 100%;
   box-sizing: border-box;
 }
 
@@ -1163,9 +1173,16 @@ input {
   text-overflow: ellipsis;
 }
 
-@media (max-width: 960px) {
+/* 非全屏常见宽度：两列仍窄时持仓改 2 列；更窄整页单列 */
+@media (max-width: 1400px) {
+  .plan-positions .pos-grid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
+@media (max-width: 1100px) {
   .plan-shell {
-    --plan-cols: 1fr;
+    --plan-cols: minmax(0, 1fr);
   }
 
   .plan-positions .pos-card,
@@ -1192,7 +1209,7 @@ input {
 
   .pos-countdown {
     margin-left: 0;
-    width: auto;
+    max-width: 100%;
     align-self: flex-start;
   }
 }
@@ -1611,7 +1628,8 @@ input {
   border-radius: 10px;
   padding: 12px 14px;
   min-width: 0;
-  overflow: hidden;
+  overflow: visible;
+  box-sizing: border-box;
 }
 
 .pos-card-head {
@@ -1665,11 +1683,20 @@ input {
   flex-wrap: wrap;
   align-items: center;
   gap: 4px 0;
+  min-width: 0;
+  max-width: 100%;
+  overflow-wrap: anywhere;
+  word-break: break-word;
 }
 
 .pos-meta-item {
   display: inline-flex;
   align-items: center;
+  max-width: 100%;
+  min-width: 0;
+  overflow-wrap: anywhere;
+  word-break: break-word;
+  white-space: normal;
 }
 
 .pos-meta-item:not(:last-child)::after {
@@ -1703,11 +1730,11 @@ input {
 
 @media (max-width: 520px) {
   .pos-grid {
-    grid-template-columns: repeat(2, minmax(0, 1fr));
+    grid-template-columns: minmax(0, 1fr);
   }
 
   .pos-time-row {
-    grid-template-columns: 1fr;
+    grid-template-columns: minmax(0, 1fr);
   }
 }