style(header-dividing): adjust dividing line position and background for improved appearance

chore(release): bump version to 1.2.5 in theme.yaml

src/styles/header-dividing.scss

@@ -53,7 +53,7 @@
   &::after {
     content: '';
     position: absolute;
-    left: -30%;
+    left: -10%;
     top: 50%;
     transform: translateY(-50%);
     width: 30%;
@@ -81,24 +81,20 @@
     z-index: 100;
     --dash-spacing: 6px;
     --dash-width: 2px;
-    background: var(--background);
+    background-color: color-mix(in srgb, var(--background) 30%, transparent);
     opacity: 0.8;
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
 
-    /* 进入动画：透明度由0到1，宽度由中间到100% */
+    /* 进入动画：透明度由0到1 */
     animation: sticky-in 0.5s ease-in-out forwards;
     opacity: 1;
 
     &::before {
-      animation: line-flow 1.5s linear infinite;
-      mask-image: none;
-      -webkit-mask-image: none;
       top: calc(50% - 1px);
       height: 2px;
     }
 
     &::after {
-      animation: scan-line 2.5s ease-in-out infinite;
       opacity: 0.6;
       filter: blur(3px);
       // 调整扫描线高度以适应 5px 容器
@@ -121,7 +117,7 @@
 // 扫描线动画 - 模拟终端扫描效果
 @keyframes scan-line {
   0% {
-    left: -20%;
+    left: -10%;
     opacity: 0;
   }
   30% {

theme.yaml

@@ -13,5 +13,5 @@ spec:
   repo: https://git.dev.cm/theme-terminal
   settingName: "theme-terminal-setting"
   configMapName: "theme-terminal-configMap"
-  version: 1.2.3
+  version: 1.2.5
   require: ">=2.22.0"