feat(ui): 墨玉控制台主题(深墨侧栏+玉绿主色+暖纸内容区,组件零改动)

- 侧栏:深墨渐变底+品牌玉点+玉绿激活竖条(微光)+右缘渐隐线
- 主色:Element 全系覆写为玉绿(#0d9f6e,微信血统精炼)
- 内容区:暖纸底+极淡点阵纹理;页面进场微上浮动画
- 卡片:10px圆角+双层阴影+jade hover;表格:精致表头+玉绿行hover+tabular数字
- 聊天流:纸面质感底;细滚动条;输入/按钮圆角统一

Co-Authored-By: Claude <noreply@anthropic.com>

yunkes/src/layouts/MainLayout.vue

@@ -103,68 +103,118 @@ function goPlain(path: string): void {
 </template>
 
 <style scoped>
+/* ══ 墨玉侧栏:深墨底 + 玉绿血脉(2026-08-22) ══ */
 .yk-sidenav {
-  border-right: 1px solid var(--el-border-color-light, #e4e7ed);
-  background: #fff;
+  border-right: none;
+  background: linear-gradient(180deg, #1a2130 0%, #141927 100%);
   display: flex;
   flex-direction: column;
   overflow-y: auto;
+  position: relative;
+}
+.yk-sidenav::after {
+  /* 右缘 1px 玉绿渐隐线,呼应主色而不抢戏 */
+  content: '';
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  width: 1px;
+  background: linear-gradient(180deg, transparent 0%, rgba(13, 159, 110, 0.35) 30%, rgba(13, 159, 110, 0.08) 100%);
+  pointer-events: none;
 }
 
 .yk-sidenav__header {
-  padding: 16px 16px 8px;
+  padding: 18px 16px 12px;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
 }
 
 .yk-sidenav__title {
   margin: 0;
   font-size: 15px;
   font-weight: 700;
-  color: #303133;
+  color: #f0f3f8;
   white-space: nowrap;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  letter-spacing: 0.02em;
+}
+.yk-sidenav__title::before {
+  /* 品牌玉点:侧栏的记忆点 */
+  content: '';
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: var(--yk-jade-bright, #35d492);
+  box-shadow: 0 0 8px rgba(53, 212, 146, 0.7);
+  flex: none;
 }
 
 .yk-sidenav__menu {
   border-right: none;
-  padding-top: 4px;
+  padding-top: 6px;
+  background: transparent;
 }
 
 .yk-sidenav__group {
-  font-size: 14px;
+  font-size: 13.5px;
   font-weight: 600;
-  color: #303133;
+  color: #e8ecf3;
+  letter-spacing: 0.03em;
 }
 
 .yk-sidenav__menu :deep(.el-sub-menu__title) {
   height: 44px;
   line-height: 44px;
   margin: 2px 8px;
-  border-radius: 6px;
+  border-radius: 8px;
+  color: var(--yk-ink-text, #a7b1c4);
 }
-
 .yk-sidenav__menu :deep(.el-sub-menu__title:hover) {
-  background: var(--el-fill-color-light, #f5f7fa);
+  background: rgba(255, 255, 255, 0.05);
+  color: #e8ecf3;
+}
+.yk-sidenav__menu :deep(.el-sub-menu.is-active > .el-sub-menu__title) {
+  color: var(--yk-jade-bright, #35d492);
 }
-
 .yk-sidenav__menu :deep(.el-sub-menu .el-menu) {
   background: transparent;
 }
+.yk-sidenav__menu :deep(.el-sub-menu .el-menu .el-menu-item) {
+  background: transparent;
+}
 
 .yk-sidenav__menu :deep(.el-menu-item) {
   height: 40px;
   line-height: 40px;
-  margin: 1px 8px 1px 20px;
-  border-radius: 6px;
+  margin: 1px 8px 1px 16px;
+  border-radius: 8px;
   font-size: 13px;
   min-width: auto;
+  color: var(--yk-ink-text-dim, #8a94a8);
+  position: relative;
 }
-
-.yk-sidenav__menu :deep(.el-menu-item.is-active) {
-  background: var(--el-color-primary-light-9, #ecf5ff);
-  color: var(--el-color-primary);
-}
-
 .yk-sidenav__menu :deep(.el-menu-item:hover) {
-  background: var(--el-fill-color-light, #f5f7fa);
+  background: rgba(255, 255, 255, 0.05);
+  color: #dfe5ee;
+}
+.yk-sidenav__menu :deep(.el-menu-item.is-active) {
+  background: rgba(13, 159, 110, 0.16);
+  color: var(--yk-jade-bright, #35d492);
+  font-weight: 600;
+}
+.yk-sidenav__menu :deep(.el-menu-item.is-active)::before {
+  /* 激活指示:3px 玉绿竖条 */
+  content: '';
+  position: absolute;
+  left: -8px;
+  top: 9px;
+  bottom: 9px;
+  width: 3px;
+  border-radius: 2px;
+  background: var(--yk-jade-bright, #35d492);
+  box-shadow: 0 0 6px rgba(53, 212, 146, 0.55);
 }
 
 /* 顶层普通菜单项（短信/同步/搜索）——与分组标题同高 */
@@ -174,5 +224,9 @@ function goPlain(path: string): void {
   margin: 2px 8px;
   font-size: 14px;
   font-weight: 500;
+  color: var(--yk-ink-text, #a7b1c4);
+}
+.yk-sidenav__menu > :deep(.el-menu-item.is-active)::before {
+  left: -8px;
 }
 </style>