fix(管理端): 布局导航与全局样式硬编码颜色替换为深色模式令牌

frontend/admin/src/layout/navBars/breadcrumb/userNews.vue

@@ -214,7 +214,7 @@ function icon(type) {
     .head-box-title {
       font-size: 13px;
       font-weight: 500;
-      color: #333333;
+      color: var(--prev-color-text-regular);
       line-height: 13px;
     }
     .head-box-btn {
@@ -249,14 +249,14 @@ function icon(type) {
       .content-box-type {
         font-size: 13px;
         font-weight: 500;
-        color: #333333;
+        color: var(--prev-color-text-regular);
         line-height: 13px;
       }
       .content-box-msg {
         margin-top: 6px;
         font-size: 13px;
         font-weight: 400;
-        color: #666666;
+        color: var(--prev-color-text-primary);
         line-height: 13px;
       }
       .content-box-time {
@@ -272,7 +272,7 @@ function icon(type) {
       .content-box-empty-margin {
         text-align: center;
         font-size: 13px;
-        color: #999999;
+        color: var(--prev-color-text-secondary);
         i {
           color: var(--prev-color-primary);
           font-size: 60px;

frontend/admin/src/layout/navBars/tagsView/tagsView.vue

@@ -418,7 +418,7 @@ watch(
 }
 .direction:hover {
   line-height: 34px;
-  background-color: #f7f2f2;
+  background-color: var(--prev-color-hover);
   cursor: pointer;
   transition: all 0.3s;
 }

frontend/admin/src/styles/style.scss

@@ -20,7 +20,7 @@
 
 .c_label span {
   margin-left: 10px;
-  color: #333;
+  color: var(--prev-color-text-regular);
 }
 
 .c_row-item {
@@ -313,7 +313,7 @@ body {
 
 .modal-form .el-message-box__header {
   padding: 15px;
-  border-bottom: 1px solid #eee;
+  border-bottom: 1px solid var(--prev-border-color-lighter);
   display: flex;
   align-items: center;
   justify-content: space-between;
@@ -323,7 +323,7 @@ body {
   font-size: 14px;
   line-height: 14px;
   font-weight: 500;
-  color: #303133;
+  color: var(--prev-color-text-regular);
 }
 
 .modal-form .el-message-box__content {
@@ -548,7 +548,7 @@ body {
 
 .btn-back {
   padding: 0 !important;
-  color: #333 !important;
+  color: var(--prev-color-text-regular) !important;
   font-size: 13px;
 }
 
@@ -647,7 +647,7 @@ body {
 .i-layout-page-header {
   margin: 0;
   /* display: none; */
-  background-color: #fff;
+  background-color: var(--prev-bg-white);
   padding: 7px 32px 0 32px;
 }
 
@@ -666,7 +666,7 @@ body {
   -ms-flex-pack: justify;
   justify-content: space-between;
   font-size: 14px;
-  color: #303133;
+  color: var(--prev-color-text-regular);
 }
 
 /* 页面标题头「标题行」：返回钮 + 标题 + 描述，基线对齐（描述字号小于标题，用 baseline 不用 flex-end） */
@@ -693,7 +693,7 @@ body {
 
 .statics-header-title {
   font-size: 14px;
-  color: #303133;
+  color: var(--prev-color-text-regular);
   display: -webkit-box;
   display: -ms-flexbox;
   display: flex;
@@ -707,7 +707,7 @@ body {
 
 .ivu-page-header-title {
   display: inline-block;
-  color: #17233d;
+  color: var(--prev-color-text-regular);
   font-weight: 500;
   font-size: 18px;
   line-height: 32px;
@@ -717,13 +717,13 @@ body {
   padding: 16px;
   height: calc(100% - 80px);
   overflow: auto;
-  background-color: #f5f7f9;
+  background-color: var(--prev-bg-color);
 }
 
 .left-wrapper {
   height: calc(100vh - 120px);
-  background: #fff;
-  border-right: 1px solid #f2f2f2;
+  background: var(--prev-bg-white);
+  border-right: 1px solid var(--prev-border-color-lighter);
 }
 
 .ivu-tabs-bar {
@@ -1017,7 +1017,7 @@ body {
       word-break: break-word;
       height: 47px;
       background: var(--prev-color-primary-light-9);
-      color: #515a6e;
+      color: var(--prev-color-text-primary);
       font-size: 12px;
       font-weight: 500;
     }
@@ -1050,7 +1050,7 @@ a {
 
 .tree_tit {
   font-size: 14px;
-  color: #606266;
+  color: var(--prev-color-text-primary);
   font-weight: 500;
   padding: 23px 0 23px 20px;
   display: flex;
@@ -1086,7 +1086,7 @@ a {
   .file-name {
     display: flex;
     align-items: center;
-    color: #303133;
+    color: var(--prev-color-text-regular);
     font-size: 14px;
 
     .text {

frontend/admin/src/theme/element.scss

@@ -91,7 +91,7 @@
 }
 
 .el-dialog__header {
-  border-bottom: 1px solid #eee;
+  border-bottom: 1px solid var(--prev-border-color-lighter);
   padding: 15px !important;
   display: flex;
   align-items: center;
@@ -101,8 +101,7 @@
 .el-dialog__title {
   font-size: 14px !important;
   font-weight: 500;
-  font-weight: 500;
-  color: #303133;
+  color: var(--prev-color-text-regular);
   line-height: 14px !important;
 }
 
@@ -163,7 +162,7 @@
 ------------------------------- */
 .el-table__body tr.current-row > td.el-table__cell,
 .vxe-table--render-default .vxe-body--row.row--current {
-  background-color: #f5f7fa !important;
+  background-color: var(--prev-bg-color) !important;
 }
 
 .hover-row .el-select-dropdown .el-scrollbar__wrap,
@@ -448,18 +447,18 @@
   word-break: break-all;
 }
 
-// tooltip
+// tooltip（边框/箭头同色，用令牌：深色下自动变暗）
 .el-popper.is-light {
-  border-color: #f2f2f2 !important;
+  border-color: var(--prev-border-color-light) !important;
 }
 
 .el-popper .el-popper__arrow,
 .el-popper .el-popper__arrow::after {
-  color: #f2f2f2 !important;
+  color: var(--prev-border-color-light) !important;
 }
 
 .el-popper .el-popper__arrow {
-  border-bottom-color: #f2f2f2 !important;
+  border-bottom-color: var(--prev-border-color-light) !important;
 }
 
 // 下拉菜单

frontend/admin/src/theme/variables.scss

@@ -299,7 +299,7 @@ body {
   }
 
   .el-input .el-input__count .el-input__count-inner {
-    background-color: #fff !important;
+    background-color: var(--prev-bg-white) !important;
   }
 
   // autocomplete
@@ -344,7 +344,7 @@ body {
   .el-input-group__prepend .el-select .el-input--suffix .el-input__inner::placeholder,
   .el-cascader .el-input .el-icon-arrow-down,
   .el-select .el-input .el-select__caret {
-    color: #606266;
+    color: var(--prev-color-text-primary);
   }
 
   .el-select-dropdown__item.selected {
@@ -678,7 +678,8 @@ body {
   .el-table th.el-table__cell.is-leaf,
   .el-table--border,
   .el-table--group {
-    border-color: #f5f5f5 !important;
+    /* 行分隔线用令牌：深色下跟随 --prev-border-color-lighter 变暗（原 #f5f5f5 深色下刺眼） */
+    border-color: var(--prev-border-color-lighter) !important;
   }
 
   .el-table th.el-table__cell,
@@ -711,7 +712,7 @@ body {
 
   .vxe-header--column {
     font-weight: 500;
-    color: #303133;
+    color: var(--prev-color-text-primary);
   }
 
   .el-table .el-table__header-wrapper {
@@ -723,7 +724,7 @@ body {
   // 仅默认主色 tag 使用主题蓝；success/danger/warning/info 语义色恢复 Element Plus 默认配色
   .el-tag:not(.el-tag--success):not(.el-tag--warning):not(.el-tag--danger):not(.el-tag--info) {
     color: var(--prev-color-primary);
-    background-color: #fff;
+    background-color: var(--prev-bg-white);
     border-color: var(--prev-color-primary);
   }
 
@@ -992,7 +993,7 @@ body {
 
   .el-dropdown-menu {
     background-color: var(--prev-bg-white);
-    border-color: #ebeef5;
+    border-color: var(--prev-border-color-lighter);
   }
 
   .el-dropdown-menu__item {
@@ -1223,7 +1224,7 @@ body {
 .el-drawer__header > :first-child {
   font-size: 14px;
   font-weight: 500;
-  color: #303133;
+  color: var(--prev-color-text-regular);
   line-height: 14px;
 }