v1.2.4 — 责善改过简洁分割线风格

- 去掉序号标题和错误/改进方案标签文字
- 两条输入框纵向排列，项目间仅用分割线分隔
- 删除按钮绝对定位右上角，编辑模式下显示

static/style.css

@@ -615,9 +615,13 @@ body {
 .btn-del:hover { background: var(--danger-light); }
 .btn-del .icon-sm { width: 16px; height: 16px; }
 
-/* 责善改过 横排双输入 */
+/* 责善改过 — 简洁分割线风格 */
 
 .evening-row {
+  position: relative;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
   padding: 0 0 12px;
   margin-bottom: 12px;
   border-bottom: 1px solid var(--border);
@@ -626,42 +630,17 @@ body {
 .evening-row:last-child {
   border-bottom: none;
   margin-bottom: 0;
+  padding-bottom: 0;
 }
 
-.evening-header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin-bottom: 8px;
+.evening-row .btn-del {
+  position: absolute;
+  top: 0;
+  right: 0;
+  z-index: 1;
 }
 
-.evening-header .idx {
-  font-size: 12px;
-  color: var(--text-muted);
-  font-weight: 600;
-}
-
-.mistake-row {
-  display: flex;
-  flex-direction: column;
-  gap: 8px;
-  align-items: stretch;
-}
-
-.mistake-row .col {
-  display: flex;
-  flex-direction: column;
-  gap: 4px;
-}
-
-.mistake-row .col label {
-  font-size: 11px;
-  color: var(--text-muted);
-  font-weight: 500;
-  padding-left: 2px;
-}
-
-.mistake-row input[type="text"] {
+.evening-row input[type="text"] {
   width: 100%;
   padding: 9px 12px;
   border: 1.5px solid var(--border);
@@ -671,8 +650,10 @@ body {
   color: var(--text);
   background: var(--bg);
   transition: border-color 0.2s, background 0.2s;
+  box-sizing: border-box;
 }
-.mistake-row input[type="text"]:focus {
+
+.evening-row input[type="text"]:focus {
   outline: none;
   border-color: var(--primary);
   background: var(--card);