优化首页返回定位与发布在线时间表单

移动端首页用列表缓存和内部滚动恢复浏览位置；发布页在线时间改为全天+起止时间单行布局。

frontend/src/features/seller/views/SellerListingCreateView.css

@@ -72,7 +72,6 @@
 .skin-group,
 .region-panel,
 .ratio-panel,
-.time-preset-row,
 .price-cell {
   padding: 12px;
   border-radius: var(--radius-8);
@@ -98,7 +97,6 @@
 
 .field-row label span,
 .input-block b,
-.time-preset-row strong span,
 .quantity-meta span,
 .upload-copy span {
   color: var(--color-danger);
@@ -178,7 +176,6 @@
 }
 
 .level-panel,
-.time-preset-panel,
 .skin-groups {
   display: grid;
   gap: 10px;
@@ -371,41 +368,41 @@
   font-weight: 700;
 }
 
-.time-preset-row {
-  display: grid;
-  grid-template-columns: 88px minmax(0, 1fr);
-  gap: 12px;
-  align-items: start;
+.online-time-row {
+  align-items: center;
 }
 
-.time-preset-row strong {
-  color: var(--color-text-main);
-  font-size: 13px;
-  font-weight: 800;
-  line-height: 32px;
+.online-time-controls {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 10px;
+  min-width: 0;
 }
 
-.time-preset-content {
-  display: grid;
+.online-time-range {
+  display: flex;
+  align-items: center;
   gap: 8px;
   min-width: 0;
 }
 
-.time-preset-actions {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 7px;
-  min-width: 0;
+.online-time-sep {
+  flex: 0 0 auto;
+  color: #94a3b8;
+  font-size: 13px;
+  font-weight: 700;
 }
 
 .time-chip {
-  min-height: 30px;
-  padding: 0 12px;
+  flex: 0 0 auto;
+  min-height: 32px;
+  padding: 0 14px;
   border: 1px solid #d6dce5;
-  border-radius: 15px;
+  border-radius: 999px;
   background: #fff;
   color: #596474;
-  font-size: 12px;
+  font-size: 13px;
   font-weight: 800;
   cursor: pointer;
   transition:
@@ -414,14 +411,23 @@
     color 0.16s ease;
 }
 
+.time-chip:hover {
+  border-color: #c4ccd8;
+}
+
 .time-chip.active {
   border-color: var(--color-orange-primary);
   background: var(--color-orange-primary);
   color: #fff;
+  box-shadow: 0 4px 10px rgba(255, 106, 0, 0.22);
 }
 
 .time-input {
-  width: 118px;
+  width: 128px;
+}
+
+.online-time-range :deep(.el-input__wrapper) {
+  border-radius: 999px;
 }
 
 .login-region-panel {
@@ -927,12 +933,21 @@
 
 @media (max-width: 860px) {
   .field-row,
-  .time-preset-row,
   .quantity-header,
   .quantity-item {
     grid-template-columns: 1fr;
   }
 
+  .online-time-range {
+    width: 100%;
+  }
+
+  .time-input {
+    flex: 1;
+    width: auto;
+    min-width: 0;
+  }
+
   .field-hint {
     grid-column: auto;
   }