diff --git a/app/index/view/pc/public/header.html b/app/index/view/pc/public/header.html
index f4d5c5a3..32ea3353 100644
--- a/app/index/view/pc/public/header.html
+++ b/app/index/view/pc/public/header.html
@@ -8,40 +8,48 @@
 
     body {
         overflow-x: hidden;
-        font-size: 16px;
+       
     }
 
     a {
         text-decoration: none;
     }
-
+    .header {
+        position: fixed;
+        top:0;
+        z-index: 999;
+        width:100%;
+        background: #fff;
+         font-size: 16px;
+    }
     /* 导航外容器：1920px宽，居中 */
-    .nav-outer {
+    .header-nav-outer {
         max-width: 1920px;
         position: relative;
         padding: 0 12.5em;
         overflow: visible;
+        background: #fff;
     }
 
     /* 顶部导航栏：内容区带左右边距，外框1920px */
-    .nav-bar {
+    .header-nav-bar {
         width: 100%;
         max-width: 1520px;
-        height: 3.75em;
+        height: 4em;
         display: flex;
         align-items: center;
         flex-wrap: nowrap;
         justify-content: space-between;
     }
 
-    .log {
+    .header-log {
         width: 6.9375em;
         height: 1.75em;
         margin-right: 9.125em;
         flex-shrink: 0;
     }
 
-    .nav-items {
+    .header-nav-items {
         display: flex;
         align-items: center;
         justify-content: space-between;
@@ -52,7 +60,7 @@
         margin-right: 5.125em;
     }
 
-    .nav-item {
+    .header-nav-item {
         height: 100%;
         display: flex;
         align-items: center;
@@ -62,7 +70,7 @@
         min-width: 0;
     }
 
-    .nav-title {
+    .header-nav-title {
         position: relative;
         height: 100%;
         font-size: 1em;
@@ -74,7 +82,7 @@
     }
 
     /* 导航项下划线 */
-    .nav-title::after {
+    .header-nav-title::after {
         content: '';
         position: absolute;
         bottom: 0;
@@ -86,17 +94,17 @@
         transition: transform 0.2s ease;
     }
 
-    .nav-title:hover::after,
-    .nav-title.active::after {
+    .header-nav-title:hover::after,
+    .header-nav-title.active::after {
         transform: scaleX(1);
     }
 
-    .nav-title.active {
+    .header-nav-title.active {
         color: #004bfa;
     }
 
     /* 右侧功能按钮 */
-    .nav-actions {
+    .header-nav-actions {
         margin-left: auto;
         display: flex;
         align-items: center;
@@ -106,42 +114,42 @@
     }
 
     /* 搜索按钮容器 */
-    .search-wrapper {
+    .header-search-wrapper {
         position: relative;
         display: inline-block;
     }
 
     /* 语言按钮容器 */
-    .lang-wrapper {
+    .header-lang-wrapper {
         position: relative;
         display: inline-block;
     }
 
     /* 购买按钮容器 */
-    .buy-wrapper {
+    .header-buy-wrapper {
         position: relative;
         display: inline-block;
     }
 
-    .nav-btn {
+    .header-nav-btn {
         cursor: pointer;
         display: flex;
         align-items: center;
         transition: color 0.2s;
     }
 
-    .nav-btn img {
+    .header-nav-btn img {
         width: 1.5em;
         max-width: 24px;
         max-height: 24px;
         height: 1.5em;
     }
 
-    .nav-btn:hover {
+    .header-nav-btn:hover {
         color: #004bfa;
     }
 
-    .buy-btn {
+    .header-buy-btn {
         background-color: #004bfa;
         color: #fff;
         padding: 0.375em 1.125em;
@@ -156,84 +164,84 @@
 
     /* 1920px 及以上 - 100% */
     @media screen and (min-width: 1920px) {
-        body {
+        .header {
             font-size: 16px;
         }
     }
 
     /* 1680px - 1919px - 缩放至 93.75% */
     @media screen and (max-width: 1919px) and (min-width: 1680px) {
-        body {
+        .header {
             font-size: 15px;
         }
     }
 
     /* 1600px - 1679px - 缩放至 90.625% */
     @media screen and (max-width: 1679px) and (min-width: 1600px) {
-        body {
+        .header {
             font-size: 14.5px;
         }
     }
 
     /* 1520px - 1599px - 缩放至 87.5% */
     @media screen and (max-width: 1599px) and (min-width: 1520px) {
-        body {
+        .header {
             font-size: 14px;
         }
     }
 
     /* 1440px - 1519px - 缩放至 84.375% */
     @media screen and (max-width: 1519px) and (min-width: 1440px) {
-        body {
+        .header {
             font-size: 13.5px;
         }
     }
 
     /* 1360px - 1439px - 缩放至 81.25% */
     @media screen and (max-width: 1439px) and (min-width: 1360px) {
-        body {
+        .header {
             font-size: 13px;
         }
     }
 
     /* 1280px - 1359px - 缩放至 78.125% */
     @media screen and (max-width: 1359px) and (min-width: 1280px) {
-        body {
+        .header {
             font-size: 12.5px;
         }
     }
 
     /* 1200px - 1279px - 缩放至 75% */
     @media screen and (max-width: 1279px) and (min-width: 1200px) {
-        body {
+        .header {
             font-size: 12px;
         }
     }
 
     /* 1140px - 1199px - 缩放至 75% (保持最小12px) */
     @media screen and (max-width: 1199px) and (min-width: 1140px) {
-        body {
+        .header {
             font-size: 12px;
         }
     }
 
     /* 1080px - 1139px - 缩放至 75% (保持最小12px) */
     @media screen and (max-width: 1139px) and (min-width: 1080px) {
-        body {
+        .header {
             font-size: 12px;
         }
     }
 
     /* 992px - 1079px - 缩放至 75% (保持最小12px) */
     @media screen and (max-width: 1079px) and (min-width: 992px) {
-        body {
+        .header {
             font-size: 12px;
         }
     }
 
     /* 小于992px - 保持最小12px */
     @media screen and (max-width: 991px) {
-        body {
+        .header {
             font-size: 12px;
         }
     }
@@ -241,12 +249,12 @@
     /* ========== 以下为原有样式，保持不变 ========== */
 
     /* 原有的下拉框样式 */
-    .dropdown {
+    .header-dropdown {
         box-sizing: border-box;
         max-width: 1920px;
         width: 100%;
         position: absolute;
-        top: 3.75em;
+        top: 4em;
         left: 0;
         right: 0;
         background-color: #fafafb;
@@ -257,25 +265,25 @@
         display: none;
     }
 
-    .nav-item:hover .dropdown {
+    .header-nav-item:hover .header-dropdown {
         display: block;
     }
 
     /* Tabs切换栏：居中，宽度100%（基于下拉框内容区） */
-    .dropdown-tabs {
+    .header-dropdown-tabs {
         display: flex;
         justify-content: center;
         margin: 0 auto;
-        padding-bottom: 2em;
+        padding-bottom: 1.75em;
         padding-top: 1.75em;
         width: calc(100% - 2.5em);
     }
 
-    .tab-item:last-child {
+    .header-tab-item:last-child {
         margin-right: 0;
     }
 
-    .tab-item {
+    .header-tab-item {
         font-size: 1em;
         color: #1d1d1f;
         cursor: pointer;
@@ -283,7 +291,7 @@
         margin-right: 9.375em;
     }
 
-    .tab-item.active::after {
+    .header-tab-item.active::after {
         content: '';
         position: absolute;
         bottom: -0.6875em;
@@ -294,7 +302,7 @@
     }
 
     /* 下拉框内容容器：宽度100%，左右留20px边距 */
-    .dropdown-content {
+    .header-dropdown-content {
         width: 100%;
         min-width: 1080px;
         padding: 0 12.5em;
@@ -305,122 +313,160 @@
     }
 
     /* 左侧6个分类区块 */
-    .dropdown-category {
+    .header-dropdown-category {
         display: flex;
         flex-wrap: wrap;
         flex-direction: column;
         flex: 1;
     }
 
-    .category-box {
+    .header-category-box {
         display: flex;
         justify-content: space-between;
     }
 
     /* 单个分类区块 */
-    .category-block {
+    .header-category-block {
         flex: 1;
         box-sizing: border-box;
     }
 
-    .category-block:nth-child(5) {
+    .header-category-block:nth-child(5) {
         margin-bottom: 0;
     }
 
-    .category-block:nth-child(6) {
+    .header-category-block:nth-child(6) {
         margin-bottom: 0;
     }
 
-    .category-title {
+    .header-category-title {
         font-size: 1em;
         color: #1d1d1f;
         margin-bottom: 0.75em;
         font-weight: 900;
     }
 
-    .category-list {
+    .header-category-list {
         list-style: none;
     }
 
-    .category-item {
+    .header-category-item {
         font-size: 0.875em;
         color: #686a70;
-        margin-bottom: 0.5em;
+        margin-bottom: 0.71em;
         cursor: pointer;
     }
 
-    .category-item a {
+    .header-category-item a {
         color: #686a70;
     }
 
-    .category-item:last-child {
+    .header-category-item:last-child {
         margin: 0;
     }
 
-    .category-item a:hover {
+    .header-category-item a:hover {
         color: #0066ff;
     }
 
     /* 右侧产品展示区：自适应剩余宽度，无溢出 */
-    .dropdown-products {
+    .header-dropdown-products {
         display: flex;
         flex-wrap: wrap;
         justify-content: flex-end;
         max-width: 46.75em;
     }
+    
+    
+    .header-dropdown-products {
+        display: flex;
+        flex-wrap: wrap;
+        justify-content: flex-end;
+        flex: 1;
+        min-width: 0;
+        gap: 1.5em 0;
+    }
 
-    .product-card,
-    .product-card-1 {
+    
+
+    .header-product-card {
+         text-align: center;
+        width: calc(50% - 0.75em);
+        max-width: 22.625em;
+        flex-shrink: 1;
+        min-width: 260px;
+        transition: transform 0.2s ease;
+    }
+    
+    
+    .header-product-card-1 {
         text-align: center;
         width: 100%;
         max-width: 22.625em;
 
     }
 
-    .product-card:hover {
+    .header-product-card:hover {
         transform: translateY(-2px)
     }
 
-    .product-card-1:hover {
+    .header-product-card-1:hover {
         transform: translateY(-2px)
     }
 
-    .product-card:nth-child(1) {
+    .header-product-card:nth-child(1) {
         margin-right: 1.5em;
     }
 
-    .product-card:nth-child(3) {
+    .header-product-card:nth-child(3) {
         margin-right: 1.5em;
         margin-top: 1.4375em;
     }
 
-    .product-card:nth-child(4) {
+    .header-product-card:nth-child(4) {
         margin-top: 1.4375em;
     }
 
-    .product-img {
-        width: 22.625em;
-        height: 12.25em;
+    /*.header-product-img {*/
+    /*    width: 22.625em;*/
+    /*    height: 12.25em;*/
+    /*    background-color: #f5f5f5;*/
+    /*    display: flex;*/
+    /*    align-items: center;*/
+    /*    justify-content: center;*/
+    /*    color: #999;*/
+    /*}*/
+
+    /*.header-product-img img {*/
+    /*    width: 22.625em;*/
+    /*    height: 12.25em;*/
+    /*}*/
+    .header-product-img {
+        width: 100%;
+        aspect-ratio: 22.625 / 12.25;
         background-color: #f5f5f5;
         display: flex;
         align-items: center;
         justify-content: center;
         color: #999;
+        overflow: hidden;
+        border-radius: 0.5em;
     }
-
-    .product-img img {
-        width: 22.625em;
-        height: 12.25em;
+    
+    .header-product-img img {
+        width: 100%;
+        height: 100%;
+        object-fit: cover;
+        display: block;
     }
-
-    .product-name {
+    .header-product-name {
         font-size: 1em;
         color: #1d1d1f;
         line-height: 1.5;
     }
 
     /* 修改 .dropdown-content1 的样式 - 卡片居中对齐 */
-    .dropdown-content1 {
+    .header-dropdown-content1 {
         width: 100%;
         min-width: 1080px;
         padding: 3.4em 12.5em;
@@ -432,7 +478,7 @@
     }
 
     /* 修改 .product-card-1 的样式 - 设置宽度，确保一行最多4个 */
-    .product-card-1 {
+    .header-product-card-1 {
         width: calc(25% - 1.40625em);
         background: #fff;
         border-radius: 0.5em;
@@ -442,7 +488,7 @@
     }
 
     /* 如果需要更好的兼容性，用 padding 技巧替代 aspect-ratio */
-    .product-img-1 {
+    .header-product-img-1 {
         background-color: #f5f5f5;
         display: flex;
         align-items: center;
@@ -456,18 +502,18 @@
     }
 
     /* 图片样式 - 确保图片正确显示 */
-    .product-img-1 img {
+    .header-product-img-1 img {
         position: absolute;
         top: 0;
         left: 0;
-        width: 100%;
+        width: 100%;header-
         height: 100%;
         object-fit: cover;
         display: block;
     }
 
     /* 内容区域自适应 */
-    .product-title-1 {
+    .header-product-title-1 {
         font-weight: 900;
         font-size: 1em;
         color: #1d1d1f;
@@ -477,7 +523,7 @@
         word-break: break-word;
     }
 
-    .product-name-1 {
+    .header-product-name-1 {
         font-size: 1em;
         color: #686a70;
         text-align: left;
@@ -488,16 +534,16 @@
     }
 
     /* 隐藏非当前选中的Tabs内容 */
-    .tab-content {
+    .header-tab-content {
         display: none;
     }
 
-    .tab-content.active {
+    .header-tab-content.active {
         display: flex;
     }
 
     /* ========== 搜索下拉框样式 ========== */
-    .search-dropdown {
+    .header-search-dropdown {
         position: absolute;
         top: 100%;
         right: 0;
@@ -512,11 +558,11 @@
         animation: fadeIn 0.2s ease;
     }
 
-    .search-dropdown.show {
+    .header-search-dropdown.show {
         display: block;
     }
 
-    .search-input-wrapper {
+    .header-search-input-wrapper {
         display: flex;
         gap: 0.625em;
         border: 1px solid #e5e7eb;
@@ -526,7 +572,7 @@
         margin-bottom: 1em;
     }
 
-    .search-input {
+    .header-search-input {
         flex: 1;
         border: none;
         outline: none;
@@ -535,11 +581,11 @@
         color: #1d1d1f;
     }
 
-    .search-input::placeholder {
+    .header-search-input::placeholder {
         color: #9ca3af;
     }
 
-    .search-submit {
+    .header-search-submit {
         background: #004bfa;
         color: white;
         border: none;
@@ -550,16 +596,16 @@
         transition: background 0.2s;
     }
 
-    .search-submit:hover {
+    .header-search-submit:hover {
         background: #0039cc;
     }
 
     /* 搜索记录区域 */
-    .search-history {
+    .header-search-history {
         margin-bottom: 1.25em;
     }
 
-    .history-title {
+    .header-history-title {
         font-size: 1em;
         color: #9ca3af;
         margin-bottom: 0.625em;
@@ -568,7 +614,7 @@
         align-items: center;
     }
 
-    .clear-history {
+    .header-clear-history {
         color: #004bfa;
         cursor: pointer;
         font-size: 14px;
@@ -577,17 +623,17 @@
         transition: background 0.2s;
     }
 
-    .clear-history:hover {
+    .header-clear-history:hover {
         background: #f0f7ff;
     }
 
-    .history-list {
+    .header-history-list {
         display: flex;
         flex-wrap: wrap;
         gap: 0.5em;
     }
 
-    .history-item {
+    .header-history-item {
         font-size: 0.8125em;
         color: #1d1d1f;
         cursor: pointer;
@@ -600,34 +646,34 @@
         gap: 0.25em;
     }
 
-    .history-item:hover {
+    .header-history-item:hover {
         background: #004bfa;
         color: white;
     }
 
-    .history-item .delete-icon {
+    .header-history-item .header-delete-icon {
         font-size: 0.875em;
         opacity: 0;
         transition: opacity 0.2s;
     }
 
-    .history-item:hover .delete-icon {
+    .header-history-item:hover .header-delete-icon {
         opacity: 1;
     }
 
     /* 热销产品区域 - 使用flex-wrap，一行最多3个，超过自动换行 */
-    .hot-products {
+    .header-hot-products {
         border-top: 1px solid #f0f0f0;
         padding-top: 0.75em;
     }
 
-    .hot-title {
+    .header-hot-title {
         font-size: 1em;
         color: #9ca3af;
         margin-bottom: 0.75em;
     }
 
-    .hot-product-list {
+    .header-hot-product-list {
         display: flex;
         flex-wrap: wrap;
         gap: 1.5em;
@@ -635,7 +681,7 @@
         padding: 0;
     }
 
-    .hot-product-item {
+    .header-hot-product-item {
         flex: 0 0 calc(33.333% - 1em);
         min-width: 0;
         cursor: pointer;
@@ -644,11 +690,11 @@
         box-sizing: border-box;
     }
 
-    .hot-product-item:hover {
+    .header-hot-product-item:hover {
         transform: translateY(-2px);
     }
 
-    .hot-product-img {
+    .header-hot-product-img {
         width: 7.1875em;
         height: 7.1875em;
         max-width: 115px;
@@ -662,18 +708,18 @@
         overflow: hidden;
     }
 
-    .hot-product-img img {
+    .header-hot-product-img img {
         width: 100%;
         height: 100%;
         object-fit: cover;
         display: block;
     }
 
-    .hot-product-img .emoji {
+    .header-hot-product-img .emoji {
         font-size: 2.5em;
     }
 
-    .hot-product-name {
+    .header-hot-product-name {
         font-size: 0.8125em;
         color: #1d1d1f;
         font-weight: 500;
@@ -684,7 +730,7 @@
     }
 
     /* 语言下拉框样式 */
-    .lang-dropdown {
+    .header-lang-dropdown {
         position: absolute;
         top: 100%;
         right: 0;
@@ -699,15 +745,16 @@
         animation: fadeIn 0.2s ease;
     }
 
-    .lang-dropdown.show {
+    .header-lang-dropdown.show {
         display: block;
     }
 
-    .lang-item {
+    .header-lang-item {
         display: block;
         padding: 0.75em 1.25em;
         cursor: pointer;
         transition: background 0.2s;
+        width: 100%;
         font-size: 0.875em;
         color: #1d1d1f;
         text-decoration: none;
@@ -716,27 +763,31 @@
         gap: 0.625em;
     }
 
-    .lang-item:hover {
+    .header-lang-item:hover {
         background: #f3f4f6;
         color: #004bfa;
     }
 
-    .lang-item.active {
+    .header-lang-item.active {
         color: #004bfa;
         background: #f0f7ff;
     }
 
-    .lang-code {
+    .header-lang-code {
         font-weight: 500;
         min-width: 2.5em;
+        white-space:nowrap;
     }
 
-    .lang-name {
+    .header-lang-name {
         flex: 1;
     }
-
-    .lang-dropdown-delete-icon,
-    .search-dropdown-delete-icon {
+    .header-lang-name-en {
+        flex: 1;
+        min-width: 126px;
+    }
+    .header-lang-dropdown-delete-icon,
+    .header-search-dropdown-delete-icon {
         font-size: 12px;
         position: absolute;
         top: 10px;
@@ -746,7 +797,7 @@
     }
 
     /* ========== 购买下拉框样式 ========== */
-    .buy-dropdown {
+    .header-buy-dropdown {
         box-sizing: border-box;
         max-width: 1920px;
         width: 100%;
@@ -762,12 +813,12 @@
         padding: 3.5em 12.5em;
     }
 
-    .buy-dropdown.show {
+    .header-buy-dropdown.show {
         display: block;
     }
 
     /* 购买下拉框内容容器 - 居中显示，固定一行7个卡片 */
-    .buy-dropdown-content {
+    .header-buy-dropdown-content {
         width: 100%;
         max-width: 1520px;
         margin: 0 auto;
@@ -779,7 +830,7 @@
     }
 
     /* 购买产品卡片：宽度96px，右边距动态计算 */
-    .buy-product-card {
+    .header-buy-product-card {
         width: 96px;
         text-align: center;
         cursor: pointer;
@@ -787,22 +838,22 @@
 
     }
 
-    .buy-product-card:hover {
+    .header-buy-product-card:hover {
         transform: translateY(-2px)
     }
 
     /* 每行第7个卡片（一行最后一个）清除右边距 */
-    .buy-product-card:nth-child(7n) {
+    .header-buy-product-card:nth-child(7n) {
         margin-right: 0;
     }
 
-    .buy-product-card a {
+    .header-buy-product-card a {
         text-decoration: none;
         display: block;
     }
 
     /* 图片容器：宽度100%，高度自适应，保持正方形比例 */
-    .buy-product-img {
+    .header-buy-product-img {
         width: 100%;
         aspect-ratio: 1 / 1;
         background-color: #f5f5f5;
@@ -815,7 +866,7 @@
     }
 
     /* 图片样式：实现悬浮切换效果，完全填充容器 */
-    .buy-product-img img {
+    .header-buy-product-img img {
         position: absolute;
         top: 0;
         left: 0;
@@ -827,25 +878,25 @@
     }
 
     /* 默认显示普通图，隐藏悬浮图 */
-    .buy-product-img .default-img {
+    .header-buy-product-img .header-default-img {
         opacity: 1;
     }
 
-    .buy-product-img .hover-img {
+    .header-buy-product-img .header-hover-img {
         opacity: 0;
     }
 
     /* 鼠标悬停时：显示悬浮图，隐藏普通图 */
-    .buy-product-card:hover .buy-product-img .default-img {
+    .header-buy-product-card:hover .header-buy-product-img .header-default-img {
         opacity: 0;
     }
 
-    .buy-product-card:hover .buy-product-img .hover-img {
+    .header-buy-product-card:hover .header-buy-product-img .header-hover-img {
         opacity: 1;
     }
 
     /* 产品标题样式：不加粗，字体大小16px，超出一行显示省略号 */
-    .buy-product-title {
+    .header-buy-product-title {
         font-weight: normal;
         font-size: 1em;
         color: #1d1d1f;
@@ -876,31 +927,31 @@
 
     /* 1280px及以下屏幕，渐进式调整间距 */
     @media screen and (max-width: 1280px) {
-        .log {
+        .header-log {
             margin-right: 2em;
         }
 
-        .nav-items {
+        .header-nav-items {
             margin-right: 1em;
         }
 
-        .nav-outer {
+        .header-nav-outer {
             padding: 0 12em;
         }
 
-        .dropdown-content {
+        .header-dropdown-content {
             padding: 0 12em;
         }
 
-        .dropdown-content1 {
+        .header-dropdown-content1 {
             padding: 0 12em;
         }
 
-        .buy-dropdown {
+        .header-buy-dropdown {
             padding: 3.5em 12em;
         }
 
-        .buy-dropdown-content {
+        .header-buy-dropdown-content {
             max-width: 1200px;
             row-gap: 100px;
         }
@@ -908,23 +959,23 @@
 
     /* 1152px及以下，进一步缩小 */
     @media screen and (max-width: 1152px) {
-        .log {
+        .header-log {
             margin-right: 1em;
         }
 
-        .nav-outer {
+        .header-nav-outer {
             padding: 0 10em;
         }
 
-        .dropdown-content {
+        .header-dropdown-content {
             padding: 0 10em;
         }
 
-        .dropdown-content1 {
+        .header-dropdown-content1 {
             padding: 0 10em;
         }
 
-        .buy-dropdown {
+        .header-buy-dropdown {
             padding: 3.5em 10em;
         }
 
@@ -936,68 +987,69 @@
 
     /* 1080px及以下，最小间距 */
     @media screen and (max-width: 1080px) {
-        .log {
+        .header-log {
             margin-right: 1em;
         }
 
-        .nav-outer {
+        .header-nav-outer {
             padding: 0 8em;
         }
 
-        .dropdown-content {
+        .header-dropdown-content {
             padding: 0 8em;
         }
 
-        .dropdown-content1 {
+        .header-dropdown-content1 {
             padding: 0 8em;
         }
 
-        .buy-dropdown {
+        .header-buy-dropdown {
             padding: 3.5em 8em;
         }
 
-        .buy-dropdown-content {
+        .header-buy-dropdown-content {
             max-width: 1000px;
             row-gap: 60px;
         }
     }
 </style>
+<div class="header">
 <!-- 导航外容器：1920px宽，下拉框基于此定位 -->
-    <div class="nav-outer">
+    <div class="header-nav-outer">
         <!-- 顶部导航栏 -->
-        <div class="nav-bar">
-            <div>
-                <a href="/">
-                    <img src="__IMAGES__/logo.png" alt="orico" class="log">
+        <div class="header-nav-bar">
+            <div style="display:flex;align-items:center">
+                <a href="/" style="display:flex;align-items:center">
+                    <img src="__IMAGES__/logo.png" alt="orico" class="header-log">
                 </a>
             </div>
-            <div class="nav-items">
+            <div class="header-nav-items">
                 {if condition="!empty($header_categorys)"}
-                <div class="nav-item">
-                    <div class="nav-title">{:lang_i18n('产品列表')}</div>
-                    <div class="dropdown">
-                        <div class="dropdown-tabs">
+                <div class="header-nav-item">
+                    <div class="header-nav-title">{:lang_i18n('产品列表')}</div>
+                    <div class="header-dropdown" >
+                        <div class="header-dropdown-tabs">
                             {volist name="header_categorys" id="vo" key="idx"}
-                            <div class="tab-item {if condition="$idx == 1"}active{/if}" data-tab="tag-{$vo.id}">{$vo.name}</div>
+                            <div class="header-tab-item {if condition="$idx == 1"}active{/if}" data-tab="tag-{$vo.id}">{$vo.name}</div>
                             {/volist}
                         </div>
                         {volist name="header_categorys" id="vo" key="idx"}
-                        <div class="dropdown-content tab-content {if condition="$idx == 1"}active{/if}" id="tag-{$vo.id}">
-                            <div class="dropdown-category">
+                        <div class="header-dropdown-content header-tab-content {if condition="$idx == 1"}active{/if}" id="tag-{$vo.id}">
+                            <div class="header-dropdown-category">
                                 {if condition="!empty($vo.children)"}
                                 {volist name="vo.children" id="vc"}
-                                <div class="category-box">
+                                <div class="header-category-box">
                                     {volist name="vc" id="vcc"}
-                                    <div class="category-block">
-                                        <div class="category-title">
+                                    <div class="header-category-block">
+                                        <div class="header-category-title">
                                             <a href="{:url('product/subcategory', ['id' => $vcc.id])}" target="_self">
                                                 {$vcc.name}
                                             </a>
                                         </div>
-                                        <ul class="category-list">
+                                        <ul class="header-category-list">
                                             {if condition="!empty($vcc.children)"}
                                             {volist name="vcc.children" id="vccc" length="4"}
-                                            <li class="category-item">
+                                            <li class="header-category-item">
                                                 <a href="{:url('product/subcategory', ['id' => $vccc.id])}" target="_self">
                                                     {$vccc.name}
                                                 </a>
@@ -1012,14 +1064,14 @@
                                 {/if}
                             </div>
                             {if condition="!empty($vo.recommends)"}
-                            <div class="dropdown-products">
+                            <div class="header-dropdown-products">
                                 {volist name="$vo.recommends" id="recommend"}
-                                <div class="product-card">
+                                <div class="header-product-card">
                                     <a href="{$recommend.link}">
-                                        <div class="product-img">
+                                        <div class="header-product-img">
                                             <img src="{$recommend.image}" alt="">
                                         </div>
-                                        <div class="product-name">{$recommend.title}</div>
+                                        <div class="header-product-name">{$recommend.title}</div>
                                     </a>
                                 </div>
                                 {/volist}
@@ -1032,23 +1084,23 @@
                 {/if}
                 {if condition="!empty($header_navigation)"}
                 {volist name="$header_navigation" id="nav"}
-                <div class="nav-item">
+                <div class="header-nav-item">
                     {if condition="empty($nav.children)"}
-                    <div class="nav-title">
+                    <div class="header-nav-title">
                         <a href="{$nav.link}" target="{$nav.blank==1?'_blank':'_self'}">{$nav.name}</a>
                     </div>
                     {else /}
-                    <div class="nav-title">{$nav.name}</div>
-                    <div class="dropdown">
-                        <div class="dropdown-content1">
+                    <div class="header-nav-title">{$nav.name}</div>
+                    <div class="header-dropdown">
+                        <div class="header-dropdown-content1">
                             {volist name="$nav.children" id="child"}
-                            <div class="product-card-1">
+                            <div class="header-product-card-1">
                                 <a href="{$child.link}" target="{$child.blank==1?'_blank':'_self'}">
-                                    <div class="product-img-1">
+                                    <div class="header-product-img-1">
                                         <img src="{$child.image}" alt="">
                                     </div>
-                                    <div class="product-title-1">{$child.name}</div>
-                                    <div class="product-name-1">{$child.desc}</div>
+                                    <div class="header-product-title-1">{$child.name}</div>
+                                    <div class="header-product-name-1">{$child.desc}</div>
                                 </a>
                             </div>
                             {/volist}
@@ -1061,36 +1113,36 @@
             </div>
 
             <!-- 右侧功能按钮 -->
-            <div class="nav-actions">
-                <div class="search-wrapper">
-                    <span class="nav-btn">
+            <div class="header-nav-actions">
+                <div class="header-search-wrapper">
+                    <span class="header-nav-btn">
                         <img src="__IMAGES__/icon-search.png" alt="">
                     </span>
-                    <div class="search-dropdown" id="searchDropdown">
-                        <span class="search-dropdown-delete-icon">✕</span>
-                        <div class="search-input-wrapper">
-                            <input type="text" class="search-input" placeholder="{:lang_i18n('搜索产品、分类...')}">
-                            <button class="search-submit">{:lang_i18n('搜索')}</button>
+                    <div class="header-search-dropdown" id="searchDropdown">
+                        <span class="header-search-dropdown-delete-icon">✕</span>
+                        <div class="header-search-input-wrapper">
+                            <input type="text" class="header-search-input" placeholder="{:lang_i18n('搜索产品、分类...')}">
+                            <button class="header-search-submit">{:lang_i18n('搜索')}</button>
                         </div>
-                        <div class="search-history" id="searchHistory">
-                            <div class="history-title">
+                        <div class="header-search-history" id="searchHistory">
+                            <div class="header-history-title">
                                 <span>{:lang_i18n('最近搜索')}</span>
-                                <span class="clear-history" id="clearHistory">{:lang_i18n('清空')}</span>
+                                <span class="header-clear-history" id="clearHistory">{:lang_i18n('清空')}</span>
                             </div>
-                            <div class="history-list" id="historyList"></div>
+                            <div class="header-history-list" id="historyList"></div>
                         </div>
-                        <div class="hot-products">
-                            <div class="hot-title">{:lang_i18n('热销产品')}</div>
-                            <div class="hot-product-list">
+                        <div class="header-hot-products">
+                            <div class="header-hot-title">{:lang_i18n('热销产品')}</div>
+                            <div class="header-hot-product-list">
                                 {if condition="!empty($header_hot_products)"}
                                 {volist name="header_hot_products" id="pro"}
-                                <div class="hot-product-item" data-keyword="keyword-{$pro.id}">
-                                    <div class="hot-product-img">
+                                <div class="header-hot-product-item" data-keyword="keyword-{$pro.id}">
+                                    <div class="header-hot-product-img">
                                         <a href="{:url('product/detail', ['id' => $pro.id])}">
                                             <img src="{:thumb($pro.cover_image)}" alt="">
                                         </a>
                                     </div>
-                                    <div class="hot-product-name">{$pro.name}</div>
+                                    <div class="header-hot-product-name">{$pro.name}</div>
                                 </div>
                                 {/volist}
                                 {/if}
@@ -1098,52 +1150,54 @@
                         </div>
                     </div>
                 </div>
-                <div class="lang-wrapper">
-                    <span class="nav-btn">
+                <div class="header-lang-wrapper">
+                    <span class="header-nav-btn">
                         <img src="__IMAGES__/icon-language.png" alt="">
                     </span>
-                    <div class="lang-dropdown" id="langDropdown">
-                        <span class="lang-dropdown-delete-icon">✕</span>
+                    <div class="header-lang-dropdown" id="langDropdown">
+                        <span class="header-lang-dropdown-delete-icon">✕</span>
                         {volist name="header_languages" id="vo"}
-                        <a href="{$vo.lang_url}" class="lang-item" data-lang="zh-CN" target="_self">
+                        <a href="{$vo.lang_url}" class="header-lang-item" data-lang="zh-CN" target="_self">
                             <img src="{$vo.lang_icon}" alt="">
+                           
                             {eq name=":cookie('think_lang')" value="zh-cn"}
-                            <span class="lang-code">{$vo.country_zh_name}</span>
-                            <span class="lang-name">{$vo.lang_name}</span>
+                            <span class="header-lang-code">{$vo.country_zh_name}</span>
+                            <span class="header-lang-name">{$vo.lang_name}</span>
                             {else}
-                            <span class="lang-code">{$vo.country_en_name}</span>
-                            <span class="lang-name">{$vo.lang_en_name}</span>
+                            <span class="header-lang-code">{$vo.country_en_name}</span>
+                            <span class="header-lang-name-en">{$vo.lang_en_name}</span>
                             {/eq}
                         </a>
                         {/volist}
                     </div>
                 </div>
-                <div class="buy-wrapper">
-                    <button class="buy-btn">{:lang_i18n('购买')}</button>
+                <div class="header-buy-wrapper">
+                    <button class="header-buy-btn">{:lang_i18n('购买')}</button>
                 </div>
             </div>
         </div>
 
         <!-- 购买下拉框 -->
-        <div class="buy-dropdown" id="buyDropdown">
-            <div class="buy-dropdown-content">
+        <div class="header-buy-dropdown" id="buyDropdown">
+            <div class="header-buy-dropdown-content">
                 {if condition="!empty($header_mall_entrance)"}
                 {volist name="header_mall_entrance" id="ma"}
-                <a class="buy-product-card" target="_self" href="{$ma.link}">
-                    <div class="buy-product-img">
-                        <img class="default-img" src="{$ma.image}" alt="{$ma.name}">
-                        <img class="hover-img" src="{$ma.hover_image}" alt="{$ma.name}">
+                <a class="header-buy-product-card" target="_self" href="{$ma.link}">
+                    <div class="header-buy-product-img">
+                        <img class="header-default-img" src="{$ma.image}" alt="{$ma.name}">
+                        <img class="header-hover-img" src="{$ma.hover_image}" alt="{$ma.name}">
                     </div>
-                    <div class="buy-product-title">{$ma.name}</div>
+                    <div class="header-buy-product-title">{$ma.name}</div>
                 </a>
                 {/volist}
                 {/if}
             </div>
         </div>
     </div>
+</div>
 <script>
-    const tabItems = document.querySelectorAll('.tab-item');
-    const tabContents = document.querySelectorAll('.tab-content');
+    const tabItems = document.querySelectorAll('.header-tab-item');
+    const tabContents = document.querySelectorAll('.header-tab-content');
 
     tabItems.forEach(tab =>
     {
@@ -1174,15 +1228,15 @@
         }
         historySection.style.display = 'block';
         historyList.innerHTML = searchHistory.map((item, index) => `
-            <div class="history-item" data-keyword="${item}">
+            <div class="header-history-item" data-keyword="${item}">
                 <span>${item}</span>
-                <span class="delete-icon" data-index="${index}">✕</span>
+                <span class="header-delete-icon" data-index="${index}">✕</span>
             </div>
         `).join('');
-        document.querySelectorAll('.history-item').forEach(item =>
+        document.querySelectorAll('.header-history-item').forEach(item =>
         {
             const keyword = item.getAttribute('data-keyword');
-            const deleteBtn = item.querySelector('.delete-icon');
+            const deleteBtn = item.querySelector('.header-delete-icon');
             item.addEventListener('click', (e) =>
             {
                 if (e.target === deleteBtn) return;
@@ -1231,14 +1285,14 @@
         }
     }
 
-    const searchBtn = document.querySelector('.search-wrapper .nav-btn');
+    const searchBtn = document.querySelector('.header-search-wrapper .header-nav-btn');
     const searchDropdown = document.getElementById('searchDropdown');
-    const searchInput = document.querySelector('.search-input');
-    const searchSubmit = document.querySelector('.search-submit');
+    const searchInput = document.querySelector('.header-search-input');
+    const searchSubmit = document.querySelector('.header-search-submit');
     const langDropdown = document.getElementById('langDropdown');
     const buyDropdown = document.getElementById('buyDropdown');
-    const langCloseBtn = document.querySelector('.lang-dropdown-delete-icon');
-    const searchCloseBtn = document.querySelector('.search-dropdown-delete-icon');
+    const langCloseBtn = document.querySelector('.header-lang-dropdown-delete-icon');
+    const searchCloseBtn = document.querySelector('.header-search-dropdown-delete-icon');
 
     // 语言关闭按钮
     if (langCloseBtn && langCloseBtn) {
@@ -1297,7 +1351,7 @@
         });
     }
 
-    const hotProducts = document.querySelectorAll('.hot-product-item');
+    const hotProducts = document.querySelectorAll('.header-hot-product-item');
     hotProducts.forEach(product =>
     {
         product.addEventListener('click', () =>
@@ -1307,7 +1361,7 @@
         });
     });
 
-    const langBtn = document.querySelector('.lang-wrapper .nav-btn');
+    const langBtn = document.querySelector('.header-lang-wrapper .header-nav-btn');
     if (langBtn && langDropdown) {
         langBtn.addEventListener('click', (e) =>
         {
@@ -1318,23 +1372,24 @@
         });
     }
 
-    const buyWrapper = document.querySelector('.buy-wrapper');
+    const buyWrapper = document.querySelector('.header-buy-wrapper');
     if (buyWrapper && buyDropdown) {
         buyWrapper.addEventListener('click', () =>
         {
+            console.log('123232323')
             buyDropdown.classList.add('show');
         });
     }
 
     document.addEventListener('click', (e) =>
     {
-        if (!e.target.closest('.search-wrapper')) {
+        if (!e.target.closest('.header-search-wrapper')) {
             if (searchDropdown) searchDropdown.classList.remove('show');
         }
-        if (!e.target.closest('.lang-wrapper')) {
+        if (!e.target.closest('.header-lang-wrapper')) {
             if (langDropdown) langDropdown.classList.remove('show');
         }
-        if (!e.target.closest('.buy-wrapper')) {
+        if (!e.target.closest('.header-buy-wrapper')) {
             if (buyDropdown) buyDropdown.classList.remove('show');
         }
     });
diff --git a/app/index/view/pc/topic_laptop/index.html b/app/index/view/pc/topic_laptop/index.html
index 07b27ada..e9841e33 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">