refactor: 优化YlSwiper组件样式和功能

1. 统一颜色值为小写十六进制格式
2. 调整代码格式和缩进
3. 优化分页指示器样式
4. 移除未使用的导航配置

src/components/YlSwiper/Index.vue

@@ -165,6 +165,7 @@ defineExpose({
       </slot>
     </div>
 
+    <!-- :navigation="navigationConfig" -->
     <swiper-container
       ref="swiperRef"
       :slides-per-view="slidesPerView"
@@ -174,7 +175,6 @@ defineExpose({
       :loop="loop"
       :autoplay="autoplayConfig"
       :pagination="paginationConfig"
-      :navigation="navigationConfig"
       :breakpoints="breakpoints"
       :allow-touch-move="allowTouchMove"
       @swiperprogress="onProgress"
@@ -206,7 +206,9 @@ defineExpose({
     <div v-if="pagination" class="yl-swiper-pagination">
       <slot name="pagination">
         <div
-          v-for="(_, index) in slides && slides.length ? slides : (swiperInstance?.value?.slides || [])" 
+          v-for="(_, index) in slides && slides.length
+            ? slides
+            : swiperInstance?.value?.slides || []"
           :key="index"
           class="yl-swiper-pagination-bullet"
           :class="{ 'is-active': swiperInstance?.value?.activeIndex === index }"
@@ -253,7 +255,7 @@ defineExpose({
     align-items: center;
     justify-content: center;
     box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
-    color: #409EFF;
+    color: #409eff;
   }
 
   .yl-swiper-pagination {
@@ -276,7 +278,7 @@ defineExpose({
       transition: all 0.3s;
 
       &.is-active {
-        background-color: #409EFF;
+        background-color: #409eff;
         width: 16px;
         border-radius: 4px;
       }