diff --git a/app/index/view/pc/product/category.html b/app/index/view/pc/product/category.html
index 024cd6d8..adb3e21a 100644
--- a/app/index/view/pc/product/category.html
+++ b/app/index/view/pc/product/category.html
@@ -6,7 +6,7 @@
 <div class="orico_Page_category">
 	<!-- banner轮播 -->
 	{notempty name="focus_image"}
-	<div class="opdBanner">
+	<div class="opdBanner" >
 		{volist name="focus_image" id="fi"}
 		<a {notempty name="fi.link" }href="{$fi.link}" {/notempty}>
 			<img src="{$fi.image}" class="opdbannerImg" />
diff --git a/app/index/view/pc/public/header.html b/app/index/view/pc/public/header.html
index 3ecde9fc..ec8229af 100644
--- a/app/index/view/pc/public/header.html
+++ b/app/index/view/pc/public/header.html
@@ -1,7 +1,7 @@
 <link rel="stylesheet" href="__CSS__/header.css">
-<div class="header">
+<div class="header" >
 <!-- 导航外容器：1920px宽，下拉框基于此定位 -->
-    <div class="header-nav-outer">
+    <div class="header-nav-outer" >
         <!-- 顶部导航栏 -->
         <div class="header-nav-bar">
             <div style="display:flex;align-items:center">
@@ -184,7 +184,36 @@
         </div>
     </div>
 </div>
+<div style="width: 100vw;height: 64px;"></div>
 <script>
+
+
+    //产品列表在hover复位tabs选择
+    const productNavContainer = document.querySelector('.header-nav-item:first-child');
+
+    if (productNavContainer) {
+        productNavContainer.addEventListener('mouseleave', () => {
+            // 延迟执行，确保下拉菜单已经隐藏
+            setTimeout(() => {
+                const tabs = document.querySelectorAll('.header-tab-item');
+                const contents = document.querySelectorAll('.header-tab-content');
+                
+                // 重置到第一个tab
+                if (tabs.length > 0 && tabs[0]) {
+                    tabs.forEach(tab => tab.classList.remove('active'));
+                    contents.forEach(content => content.classList.remove('active'));
+                    
+                    tabs[0].classList.add('active');
+                    const firstContentId = tabs[0].getAttribute('data-tab');
+                    const firstContent = document.getElementById(firstContentId);
+                    if (firstContent) firstContent.classList.add('active');
+                }
+            }, 350);
+        });
+    }
+
+
+
     const tabItems = document.querySelectorAll('.header-tab-item');
     const tabContents = document.querySelectorAll('.header-tab-content');
 
diff --git a/app/index/view/pc/topic_laptop/index.html b/app/index/view/pc/topic_laptop/index.html
index e9841e33..cd5f3e8f 100644
--- a/app/index/view/pc/topic_laptop/index.html
+++ b/app/index/view/pc/topic_laptop/index.html
@@ -1,6 +1,6 @@
 {extend name="public/base" /}
 {block name="style"}
-<!--<link rel="stylesheet" href="__CSS__/topic_laptop/header.css">-->
+<link rel="stylesheet" href="__CSS__/topic_laptop/header.css">
 <link rel="stylesheet" href="__CSS__/before-after.min.css">
 <link rel="stylesheet" href="__CSS__/topic_laptop/swiper.css">
 <link rel="stylesheet" href="__CSS__/topic_laptop/footer.css">
@@ -52,7 +52,7 @@
 {/block}
 {block name="main"}
 {notempty name="data.top_focus_images"}
-<div class="swiper-container auto-swiper-container" style="margin-top:60px;">
+<div class="swiper-container auto-swiper-container">
     <div class="swiper-wrapper">
         {volist name="data.top_focus_images" id="tfi"}
         <div class="swiper-slide auto-swiper-slide">
diff --git a/app/index/view/pc/topic_power_prodline/index.html b/app/index/view/pc/topic_power_prodline/index.html
index 477879ae..77f53171 100644
--- a/app/index/view/pc/topic_power_prodline/index.html
+++ b/app/index/view/pc/topic_power_prodline/index.html
@@ -12,7 +12,7 @@
 {/block}
 {block name="main"}
 <!-- 轮播核心容器 -->
-<div class="swiper-container auto-swiper-container" >
+<div class="swiper-container auto-swiper-container">
     {notempty name="data.focus_image"}
     <div class="swiper-wrapper">
         {volist name="data.focus_image" id="fo"}
diff --git a/public/static/index/pc/css/header.css b/public/static/index/pc/css/header.css
index 57748a3d..99c98c4e 100644
--- a/public/static/index/pc/css/header.css
+++ b/public/static/index/pc/css/header.css
@@ -17,9 +17,12 @@ a {
     position: fixed;
     top:0;
     z-index: 999;
-    width:100%;
+    max-width: 1920px;
+    width: 100%;
     background: #fff;
-     font-size: 16px;
+    font-size: 16px;
+    box-sizing: border-box;
+    height: 64px;
 }
 /* 导航外容器：1920px宽，居中 */
 .header-nav-outer {
@@ -31,6 +34,7 @@ a {
     background: #fff;
     display: flex;
     align-items: center;
+    /* margin: 0 auto; */
 }
 
 /* 顶部导航栏：内容区带左右边距，外框1920px */
diff --git a/public/static/index/pc/css/index.css b/public/static/index/pc/css/index.css
index fedbcf51..58b23cd5 100755
--- a/public/static/index/pc/css/index.css
+++ b/public/static/index/pc/css/index.css
@@ -17,7 +17,6 @@
   width: 100%;
   height: auto;
   position: relative;
-  margin-top: 64px;
 }
 
 .orico_Page_index .pageMain .bannerswiper .swiper-slide img {
diff --git a/public/static/index/pc/css/product_detail.css b/public/static/index/pc/css/product_detail.css
index 7108415e..1a23c1d6 100755
--- a/public/static/index/pc/css/product_detail.css
+++ b/public/static/index/pc/css/product_detail.css
@@ -36,7 +36,7 @@
   flex-direction: column;
   padding: 2.5rem 0 1.375rem 0;
   position: relative;
-  margin-top: 3%;
+  /* margin-top: 3%; */
 }
 .orico_Page_prdetail .oriprdetail .product_address {
   width: 70%;
diff --git a/public/static/index/pc/css/product_subcategory.css b/public/static/index/pc/css/product_subcategory.css
index f4648fb4..c33688e5 100644
--- a/public/static/index/pc/css/product_subcategory.css
+++ b/public/static/index/pc/css/product_subcategory.css
@@ -27,7 +27,7 @@
 }
 .orico_Page_subcategory .pageMain {
   width: 85%;
-  padding: 7.5rem 0 10px;
+  padding: 54px 0 10px;
   margin: 0 auto;
   display: flex;
   flex-direction: column;
diff --git a/public/static/index/pc/css/topic_laptop/header.css b/public/static/index/pc/css/topic_laptop/header.css
index a74d0248..ce225a5b 100644
--- a/public/static/index/pc/css/topic_laptop/header.css
+++ b/public/static/index/pc/css/topic_laptop/header.css
@@ -1,406 +1,13 @@
-@charset "UTF-8";
-/* 全局文字最小尺寸兜底 */
-.header-PC {
-  width: 100%;
-
-  height: 60px;
-  background: #fff;
-  display: flex;
-  justify-content: center;
-  position: fixed;
-  top: 0;
-  z-index: 100;
+.header {
+    max-width: 100% !important;
+    width: 100% !important;
+    display: flex;
+    justify-content: center;
+   
 }
-.header-PC * {
-  min-font-size: 16px !important; /* 强制最小16px */
-  box-sizing: border-box;
+.header-nav-outer {
+    max-width: 1920px;
+    width: 100%;
+    margin:auto 0 !important;
 }
 
-.header-PC #header {
-  margin: 0 auto;
-  height: 60px; /* 0.6rem*100=60px */
-  max-width: var(--max-width); 
-  /* position: fixed;
-  top: 0; */
-  display: flex;
-  flex-direction: row;
-  align-items: center;
-  z-index: 999;
-  background: white;
-  color: black;
-  width: 100%;
-  font-size: 16px; /* 基础字号16px */
-}
-.header-PC #header .nav1 {
-  position: relative;
-  width: 20%;
-}
-.header-PC #header .nav1 img {
-  width: 45%;
-  margin-left: 40%;
-}
-.header-PC #header .nav2 {
-  position: relative;
-  width: 60%;
-}
-.header-PC #header .nav2 .navItem {
-  font-size: 16px; /* 强制16px */
-  position: relative;
-  display: flex;
-  flex-direction: row;
-  align-items: center;
-  flex-wrap: wrap;
-  justify-content: center;
-  width: 12.5%;
-  height: 60px; /* 0.6rem*100=60px */
-  text-align: center;
-  float: left;
-  text-decoration: none;
-  transition: all 0.3s ease;
-  -webkit-transition: all 0.5s ease;
-}
-.header-PC #header .nav2 .navItem a {
-  padding-right: 5px; /* 0.05rem*100=5px */
-  padding-left: 20px; /* 0.2rem*100=20px */
-  text-decoration: none;
-  word-break: keep-all;
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  word-wrap: break-word;
-  text-wrap: nowrap;
-  font-size: 16px; /* 确保16px */
-}
-.header-PC #header .nav2 .navItem .downimg {
-  height: 12px; /* 0.12rem*100=12px */
-}
-.header-PC #header .nav2 .navItem .navItemConten {
-  width: 100%;
-  z-index: 999;
-  background-color: #f2f2f2;
-  max-height: 660px; /* 6.6rem*100=660px */
-  box-shadow: 3px 5px 60px -20px #88909a; /* 0.03/0.05/0.6/-0.2rem 转px */
-  position: fixed;
-  border: 1px solid lightgray;
-  top: 60px; /* 0.6rem*100=60px */
-  transition: max-height 0.5s ease-out, opacity 0.5s ease-out;
-  left: 0;
-  display: none;
-  font-size: 16px; /* 基础字号16px */
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyleft {
-  float: left;
-  text-align: center;
-  width: 20%;
-  max-height: 660px; /* 6.6rem*100=660px */
-  font-size: 16px; /* 强制16px */
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyleft li {
-  cursor: pointer;
-  zoom: 1;
-  clear: both;
-  border: 1px solid transparent;
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyleft li a {
-  line-height: 44px; /* 0.44rem*100=44px */
-  color: #656a6d;
-  font-size: 16px; /* 确保16px */
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyleft li a:hover {
-  color: #004bfa;
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyleft li.it_active {
-  border-color: #dddddd;
-  background-color: #ffffff;
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyright {
-  max-height: 660px; /* 6.6rem*100=660px */
-  min-height: 460px; /* 4.6rem*100=460px */
-  overflow-y: auto;
-  border-left: 1px solid #dddddd;
-  font-weight: normal;
-  background-color: #fff;
-  margin: 0 auto;
-  box-shadow: -3px 0 0px #f3f3f3; /* -0.03rem*100=-3px */
-  text-align: left;
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyright .nav_cyrightit dt {
-  font-size: 16px; /* 原0.14rem=14px → 提升至16px */
-  line-height: 16px; /* 0.16rem*100=16px */
-  margin-inline-start: 20px; /* 0.2rem*100=20px */
-  font-weight: 600;
-  border-bottom: 1px solid rgba(225, 225, 225, 0.5);
-  padding-bottom: 13px; /* 0.13rem*100=13px */
-  padding-top: 16px; /* 0.16rem*100=16px */
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyright .nav_cyrightit dt img {
-  height: 16px; /* 0.16rem*100=16px */
-  max-width: 100%;
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyright .nav_cyrightit dt a {
-  color: #333;
-  text-decoration: none;
-  word-break: keep-all;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  word-wrap: break-word;
-  text-wrap: nowrap;
-  font-size: 16px; /* 确保16px */
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyright .nav_cyrightit dd {
-  font-size: 16px; /* 原0.14rem=14px → 提升至16px */
-  line-height: 40px; /* 0.4rem*100=40px */
-  padding-top: 0vw;
-  font-weight: 100;
-  display: inline-block;
-  margin-right: 3%;
-  margin-inline-start: 40px; /* 0.4rem*100=40px */
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyright .nav_cyrightit dd a {
-  font-size: 16px; /* 确保16px */
-}
-.header-PC #header .nav2 .navItem .navItemConten .navItem_cyright .nav_cyrightit dd a:hover {
-  color: #004bf9;
-  font-weight: 600;
-  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
-  -webkit-transition: all 0.2s linear;
-}
-.header-PC #header .nav2 .navItem .navItemConten.active {
-  max-height: 660px; /* 6.6rem*100=660px */
-  opacity: 1;
-}
-.header-PC #header .nav2 .navItem .navItemConten1 {
-  background-color: #fff;
-  color: black;
-  position: absolute;
-  top: 60px; /* 0.6rem*100=60px */
-  left: 20px; /* 0.2rem*100=20px */
-  width: auto;
-  height: auto;
-  z-index: 9999;
-  border-radius: 5px; /* 0.05rem*100=5px */
-  box-shadow: 0 0 1px 0 #88909a; /* 0.01rem*100=1px */
-  display: none;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  padding: 8px 0; /* 0.08rem*100=8px */
-  font-size: 16px; /* 基础字号16px */
-}
-.header-PC #header .nav2 .navItem .navItemConten1 li {
-  color: #fff;
-  float: left;
-  text-align: center;
-  line-height: 24px; /* 0.24rem*100=24px */
-  padding: 8px 32px; /* 0.08/0.32rem*100=8/32px */
-  display: list-item;
-}
-.header-PC #header .nav2 .navItem .navItemConten1 li a {
-  cursor: pointer;
-  padding-left: 0;
-  white-space: nowrap;
-  font-size: 16px; /* 确保16px */
-}
-.header-PC #header .nav2 .navItem > a.active,
-.header-PC #header .nav2 .navItem .navItemConten1 li a:hover {
-  color: #004bfa;
-}
-.header-PC #header .nav3 {
-  position: relative;
-  width: 20%;
-  background-color: transparent;
-  display: flex;
-  align-items: center;
-  cursor: pointer;
-  font-size: 16px; /* 基础字号16px */
-}
-.header-PC #header .nav3 .searchimg {
-  margin-left: 10%;
-}
-.header-PC #header .nav3 .storetopbt {
-  background: #004cfa;
-  color: #fff;
-  padding: 0 15px; /* 0.15rem*100=15px */
-  border-radius: 20px; /* 0.2rem*100=20px */
-  height: 38px; /* 0.38rem*100=38px */
-  line-height: 40px; /* 0.4rem*100=40px */
-  margin-left: 15%;
-  display: flex;
-  flex-direction: row;
-  align-items: center;
-  justify-content: center;
-  font-size: 16px; /* 强制16px */
-}
-.header-PC #header .nav3 .storetopbt .storeImgico {
-  width: 20px; /* 0.2rem*100=20px */
-  margin-right: 8px; /* 0.08rem*100=8px */
-}
-.header-PC #header .nav3 .choesCountry {
-  position: relative;
-  margin-left: 15%;
-  display: flex;
-}
-.header-PC #header .nav3 .choesCountry .topCountry {
-  display: none;
-  width: 340px; /* 3.4rem*100=340px */
-  background-color: white;
-  /* position: fixed; */
-  position: absolute;
-  right: -150px;
-  top: 50px; /* 0.8rem*100=80px */
-  border-radius: 15px; /* 0.15rem*100=15px */
-  box-shadow: 2px 2px 10px 1px #88909a; /* 0.02/0.02/0.1/0.01rem 转px */
-  font-size: 16px; /* 基础字号16px */
-}
-.header-PC #header .nav3 .choesCountry .topCountry li {
-  width: 100%;
-  height: 50px; /* 0.5rem*100=50px */
-  line-height: 50px; /* 0.5rem*100=50px */
-  text-align: center;
-  display: flex;
-}
-.header-PC #header .nav3 .choesCountry .topCountry li .countryName {
-  width: 70%;
-  text-align: left;
-  margin-left: 10px; /* 0.1rem*100=10px */
-  font-size: 16px; /* 强制16px */
-}
-.header-PC #header .nav3 .choesCountry .topCountry li .cico {
-  width: 18%;
-  margin-left: 0;
-}
-.header-PC #header .nav3 .choesCountry .topCountry li .cico .countryimg {
-  margin-left: 0;
-  margin-left: 20px; /* 0.2rem*100=20px */
-  margin-top: 15px; /* 0.15rem*100=15px */
-  vertical-align: top;
-}
-.header-PC #header .nav3 .choesCountry .topCountry li.closec {
-  display: flex;
-  flex-direction: row;
-  justify-content: end;
-  height: 30px; /* 0.3rem*100=30px */
-}
-.header-PC #header .nav3 .choesCountry .topCountry .closecountrybt {
-  color: #aaa;
-  margin-top: -5px; /* 0.05rem*100=5px */
-  cursor: pointer;
-  height: 20px; /* 0.2rem*100=20px */
-  width: 20px; /* 0.2rem*100=20px */
-  margin-right: 10px; /* 0.1rem*100=10px */
-  font-size: 16px; /* 确保关闭按钮文字16px */
-}
-.header-PC .searchmodalMian {
-  position: fixed;
-  z-index: 999;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  background-color: rgba(0, 0, 0, 0.7);
-  z-index: 998;
-  display: none;
-}
-.header-PC .searchmodalMian .searchmodalct {
-  background-color: #fff;
-  padding: 20px; /* 0.2rem*100=20px */
-  border-radius: 20px; /* 0.2rem*100=20px */
-  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* 0.04/0.08rem 转px */
-  border: 1px solid rgba(0, 0, 0, 0.2);
-  position: fixed;
-  right: 2%;
-  width: 33%;
-  top: 80px; /* 0.8rem*100=80px */
-  height: 80%;
-  overflow-y: auto;
-  z-index: 998;
-  font-size: 16px; /* 基础字号16px */
-}
-.header-PC .searchmodalMian .searchmodalct .close-btn {
-  color: #aaa;
-  float: right;
-  font-size: 24px; /* 0.24rem*100=24px */
-  cursor: pointer;
-}
-.header-PC .searchmodalMian .searchmodalct #serrchinput {
-  margin-left: 10%;
-  margin-top: 5%;
-  width: 80%;
-  height: 44px; /* 0.44rem*100=44px */
-  border: 1px solid grey;
-  border-radius: 22px; /* 0.22rem*100=22px */
-  background-position: 95% 50%;
-  padding-left: 5%;
-  font-size: 16px; /* 输入框文字16px */
-}
-.header-PC .searchmodalMian .searchmodalct .searchhistory,
-.header-PC .searchmodalMian .searchmodalct .popProduct {
-  margin-top: 5%;
-  margin-left: 10%;
-  width: 80%;
-  display: flex;
-  position: relative;
-}
-.header-PC .searchmodalMian .searchmodalct .searchhistory .h_title,
-.header-PC .searchmodalMian .searchmodalct .popProduct .h_title {
-  position: absolute;
-  left: 0;
-  top: 1%;
-  font-size: 16px; /* 保持16px */
-  color: #989898;
-}
-.header-PC .searchmodalMian .searchmodalct .searchhistory ul,
-.header-PC .searchmodalMian .searchmodalct .popProduct ul {
-  margin-top: 10%;
-  margin-left: 1%;
-}
-.header-PC .searchmodalMian .searchmodalct .popProduct .popmain{
-   width: 100%;
-}
-.header-PC .searchmodalMian .searchmodalct .searchhistory .popmain,
-.header-PC .searchmodalMian .searchmodalct .popProduct .popmain {
-  display: flex;
-  flex-direction: row;
-  flex-wrap: wrap;
-}
-.header-PC .searchmodalMian .searchmodalct .searchhistory .popmain .popitem,
-.header-PC .searchmodalMian .searchmodalct .popProduct .popmain .popitem {
-  text-align: center;
-  margin-top: 7%;
-  margin-left: 1%;
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  width: 30%;
-  align-items: center;
-  overflow: hidden;
-}
-.header-PC .searchmodalMian .searchmodalct .searchhistory .popmain .popitem .popimg,
-.header-PC .searchmodalMian .searchmodalct .popProduct .popmain .popitem .popimg {
-  width: 115px; /* 1.15rem*100=115px */
-  height: 115px; /* 1.15rem*100=115px */
-  margin: 0 auto;
-}
-.header-PC .searchmodalMian .searchmodalct .searchhistory .popmain .popitem .productName,
-.header-PC .searchmodalMian .searchmodalct .popProduct .popmain .popitem .productName {
-  font-weight: 600;
-  display: -webkit-box;
-  -webkit-line-clamp: 1;
-  text-overflow: ellipsis;
-  font-size: 16px; /* 原0.128rem=12.8px → 提升至16px */
-  margin-top: 10%;
-}
-.header-PC .searchmodalMian .searchmodalct .popProduct .popmain .popitem .productName 
- {
-  width: 100%;
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  display: block;
-  font-size: 16px; /* 原14px → 提升至16px */
- }
- .header-PC .searchmodalMian .searchmodalct .popProduct .popmain .popitem .produc-dec{
-  font-size: 16px; /* 原10px → 提升至16px */
-  color: #000000;
-  margin-top: 1%;
- }
\ No newline at end of file
diff --git a/public/static/index/pc/css/topic_laptop/index.css b/public/static/index/pc/css/topic_laptop/index.css
index cd66744a..d7cda29a 100644
--- a/public/static/index/pc/css/topic_laptop/index.css
+++ b/public/static/index/pc/css/topic_laptop/index.css
@@ -9,13 +9,6 @@ body {
 	overflow-x: hidden;
     scroll-behavior: smooth !important;
     -webkit-overflow-scrolling: touch !important;
-    /* padding: 0 !important;
-    margin:0 !important; */
-    /* max-width:100% !important;
-    width: 100vw !important;
-    margin:0 auto; */
-    /* max-width:100vw !important */
-    /* margin:0 auto !important; */
 }
 /* 当视口宽度大于1920px时生效 */
 @media screen and (min-width: 1920px) {
@@ -39,7 +32,3 @@ body {
     transform 1.2s ease-in-out,
     visibility 1.2s ease-in-out;
 }
-    /* 18-19号防卡顿：延迟19号动画 */
-    /* [data-order="19"] {
-        transition: all 0.3s ease-out 0.2s !important;
-    } */
diff --git a/public/static/index/pc/css/topic_power_prodline/index.css b/public/static/index/pc/css/topic_power_prodline/index.css
index 529bcdb3..0cc1f016 100644
--- a/public/static/index/pc/css/topic_power_prodline/index.css
+++ b/public/static/index/pc/css/topic_power_prodline/index.css
@@ -63,12 +63,12 @@ a {
   width: 100%;
   height: clamp(2.5rem, 5vw, 15rem);
 }
-.header {
+/* .header {
 	width: 100%;
 	background: #fff;
     height: 60px;
-}
-.header-img {
+} */
+/* .header-img {
 	margin: 0 auto;
 	width: 90%;
 	display: flex;
@@ -76,4 +76,4 @@ a {
 	padding-top: 0.5rem;
 	padding-bottom: 0.5rem;
 	
-}
+} */