diff --git a/txw-mhzc-web/src/pages/index/assets/home-cta-group7-2x.png b/txw-mhzc-web/src/pages/index/assets/home-cta-group7-2x.png
new file mode 100644
index 0000000..33b0d63
Binary files /dev/null and b/txw-mhzc-web/src/pages/index/assets/home-cta-group7-2x.png differ
diff --git a/txw-mhzc-web/src/pages/index/styles/mobile-adaptation.less b/txw-mhzc-web/src/pages/index/styles/mobile-adaptation.less
index 5aeadcd..a52a0cf 100644
--- a/txw-mhzc-web/src/pages/index/styles/mobile-adaptation.less
+++ b/txw-mhzc-web/src/pages/index/styles/mobile-adaptation.less
@@ -437,6 +437,10 @@
   }
 
   .portal-page .bottom-box {
+    width: 100% !important;
+    max-width: none !important;
+    margin-left: 0 !important;
+    margin-right: 0 !important;
     height: auto !important;
     min-height: 280px !important;
     overflow: visible !important;
@@ -452,8 +456,10 @@
   .portal-page .bottom-box-bg {
     left: 0 !important;
     top: 0 !important;
+    min-width: 0 !important;
     width: 100% !important;
     height: 100% !important;
+    transform: none !important;
     object-fit: cover;
     object-position: center center;
   }
diff --git a/txw-mhzc-web/src/pages/index/views/home2/assets/Group 7.png b/txw-mhzc-web/src/pages/index/views/home2/assets/Group 7.png
new file mode 100644
index 0000000..33b0d63
Binary files /dev/null and b/txw-mhzc-web/src/pages/index/views/home2/assets/Group 7.png differ
diff --git a/txw-mhzc-web/src/pages/index/views/home2/index.vue b/txw-mhzc-web/src/pages/index/views/home2/index.vue
index 8f1b3d9..96ff68f 100644
--- a/txw-mhzc-web/src/pages/index/views/home2/index.vue
+++ b/txw-mhzc-web/src/pages/index/views/home2/index.vue
@@ -304,23 +304,21 @@
         </div>
       </section>
 
-      <!-- 建立您的碳数字身份 -->
+      <!-- 建立您的碳数字身份（Figma 150645:1019） -->
       <div class="bottom-box" id="section-bottom">
         <img
           class="bottom-box-bg"
-          src="@/pages/index/assets/home-szsf-bg.png"
+          src="@/pages/index/assets/home-cta-group7-2x.png"
           alt=""
           aria-hidden="true"
         />
-        <div class="bottom-box-inner">
-          <div class="bottom-box-copy">
-            <div class="bottom-box-head">
-              <h2 class="bottom-box-content-title">立刻获取碳身份证</h2>
-              <p class="bottom-box-desc">让中国的每一个碳都拥有独一无二的可信数字身份</p>
-            </div>
-            <button type="button" class="bottom-box-btn" @click="openService">申请服务</button>
-          </div>
-        </div>
+        <button
+          type="button"
+          class="bottom-box-cta-hotspot"
+          @click="openService"
+          aria-label="申请服务"
+          title="申请服务"
+        ></button>
       </div>
 
       <!-- 底部信息区 -->
@@ -2576,9 +2574,16 @@ export default {
   }
 }
 
-/* CTA 全宽铺满视口 */
+/* CTA：全屏宽（用父宽推算左右负边距，避免 50vw± 在全屏滚动下出现竖线色差） */
 .portal-page .bottom-box {
-  .home-section-bleed();
+  position: relative;
+  width: 100vw;
+  max-width: none;
+  margin-left: ~"calc(-1 * ((100vw - 100%) / 2))";
+  margin-right: ~"calc(-1 * ((100vw - 100%) / 2))";
+  border: none;
+  outline: none;
+  box-shadow: none;
   box-sizing: border-box;
 }
 
@@ -2590,7 +2595,7 @@ export default {
   min-height: 100vh;
   min-height: 100dvh;
   box-sizing: border-box;
-  background-color: @home-color-footer-bg;
+  background-color: #f5fbf7;
   display: block;
   overflow: hidden;
   margin: 0;
@@ -2598,23 +2603,38 @@ export default {
   isolation: isolate;
 }
 
-/* 背景向下外扩，裁掉素材底边留白 */
+/* 无字背景图：保留右侧背景层次，不需要遮罩 */
 .bottom-box-bg {
   position: absolute;
-  left: -12%;
-  top: -8%;
-  width: 124%;
-  height: 118%;
-  max-width: none;
+  left: 50%;
+  top: 50%;
+  width: 100%;
+  min-width: 100%;
+  height: 102%;
+  transform: translate(-50%, -50%);
   display: block;
   object-fit: cover;
-  object-position: center bottom;
-  z-index: 0;
-  pointer-events: none;
+  object-position: center center;
   user-select: none;
+  border: 0;
+  outline: none;
 }
 
-/* 底边与页脚过渡，消除 1～2px 露白 */
+/* 透明点击热区：覆盖设计稿中“申请服务”按钮区域，保持视觉不变但可点击 */
+.bottom-box-cta-hotspot {
+  position: absolute;
+  z-index: 2;
+  left: 54.6%;
+  top: 56.3%;
+  width: 25.2%;
+  height: 13.6%;
+  border: 0;
+  border-radius: 8px;
+  background: transparent;
+  cursor: pointer;
+}
+
+/* 底边与页脚过渡 */
 .bottom-box::after {
   position: absolute;
   left: 0;
@@ -2629,7 +2649,7 @@ export default {
 
 .bottom-box-inner {
   position: relative;
-  z-index: 1;
+  z-index: 2;
   display: flex;
   align-items: center;
   justify-content: flex-end;
@@ -2644,14 +2664,18 @@ export default {
 
 .bottom-box-copy {
   position: relative;
-  top: auto;
-  right: auto;
+  z-index: 1;
   display: flex;
   flex-direction: column;
   align-items: flex-start;
+  flex: 0 1 @home-cta-copy-width;
   width: @home-cta-copy-width;
-  max-width: 100%;
+  max-width: 40%;
   gap: @home-cta-head-to-btn-gap;
+  padding: 16px 8px;
+  margin: 0;
+  background: transparent;
+  border-radius: 0;
   box-sizing: border-box;
 }
 
@@ -2670,8 +2694,9 @@ export default {
   font-weight: @home-font-weight-semibold;
   line-height: @home-cta-title-line-height;
   text-align: left;
-  color: var(--home-title-color);
+  color: @home-color-primary-dark;
   white-space: nowrap;
+  text-shadow: none;
 }
 
 .bottom-box-desc {
@@ -2681,9 +2706,10 @@ export default {
   font-weight: @home-font-weight-regular;
   line-height: @home-cta-subtitle-line-height;
   text-align: left;
-  color: var(--home-title-color);
+  color: @home-color-primary-dark;
   max-width: @home-cta-copy-width;
   white-space: normal;
+  text-shadow: none;
 }
 
 .bottom-box-btn {
@@ -2702,9 +2728,9 @@ export default {
   line-height: @home-line-height-22;
   text-align: center;
   cursor: pointer;
-  backdrop-filter: blur(@home-blur-sm);
-  transition: transform 0.25s ease, box-shadow 0.25s ease;
   box-sizing: border-box;
+  -webkit-font-smoothing: antialiased;
+  transition: transform 0.25s ease, box-shadow 0.25s ease;
 
   &:hover {
     transform: translateY(-2px);
@@ -2716,6 +2742,16 @@ export default {
   margin-top: 0;
 }
 
+/* 按 1:1 还原整图时，关闭代码绘制的右侧文案层 */
+.bottom-box-inner,
+.bottom-box-copy,
+.bottom-box-head,
+.bottom-box-content-title,
+.bottom-box-desc,
+.bottom-box-btn {
+  display: none;
+}
+
 @media (max-width: 767px) {
 
   /* 容器调整 */
@@ -3009,7 +3045,7 @@ export default {
     padding: 12px;
   }
 
-  /* 底部 CTA：移动端内容居中，背景不左偏裁切 */
+  /* 底部 CTA：移动端内容居中 */
   .bottom-box {
     min-height: 300px;
     height: auto;
@@ -3019,17 +3055,27 @@ export default {
   .bottom-box-bg {
     left: 0;
     top: 0;
+    min-width: 0;
     width: 100%;
     height: 100%;
+    transform: none;
     object-fit: cover;
     object-position: center center;
   }
 
+  .bottom-box-cta-hotspot {
+    left: 10%;
+    top: 62%;
+    width: 80%;
+    height: 12%;
+  }
+
   .bottom-box-inner {
     align-items: center;
     justify-content: center;
     min-height: 300px;
     height: auto;
+    max-width: 100%;
     padding: 40px var(--home-section-px, 16px) 48px;
     box-sizing: border-box;
   }
@@ -3037,9 +3083,13 @@ export default {
   .bottom-box-copy {
     width: 100%;
     max-width: 100%;
-    padding: 0;
+    flex: none;
+    padding: 0 12px;
+    margin-left: 0;
     gap: 20px;
     align-items: center;
+    border-radius: 0;
+    background: transparent;
   }
 
   .bottom-box-head {
diff --git a/txw-mhzc-web/src/pages/index/views/search/index.vue b/txw-mhzc-web/src/pages/index/views/search/index.vue
index efc1921..034fa3a 100644
--- a/txw-mhzc-web/src/pages/index/views/search/index.vue
+++ b/txw-mhzc-web/src/pages/index/views/search/index.vue
@@ -2,7 +2,6 @@
   <div class="search-page portal-page-shell">
     <!-- 搜索区域背景 -->
     <div class="search-hero">
-      <div class="hero-bg-overlay"></div>
       <div class="hero-content">
         <h1 class="hero-title">搜索碳资产、企业、服务</h1>
         <p class="hero-subtitle">一站式碳信息搜索平台，快速定位所需内容</p>
@@ -165,12 +164,10 @@ import searchApi from '@/pages/index/api/search.js';
 
 export default {
   name: 'SearchPage',
-  components: {
-    Footer,
-  },
   data() {
     return {
       keyword: '',
+      currentCategory: 'all',
       selectedCategory: 'all',
       categoryOptions: [
         { label: '全部分类', value: 'all' },
@@ -376,7 +373,7 @@ export default {
 // 搜索英雄区域
 .search-hero {
   position: relative;
-  background: linear-gradient(135deg, #007242 0%, #009a29 50%, #00b96b 100%);
+  background: #f5f7fa;
   padding: 80px 20px 60px;
   overflow: hidden;
 
@@ -388,20 +385,10 @@ export default {
     right: 0;
     bottom: 0;
     background: url('~@/pages/index/assets/home-top-bg1.jpg') center/cover no-repeat;
-    opacity: 0.3;
+    opacity: 1;
   }
 }
 
-.hero-bg-overlay {
-  opacity: 0.5;
-  position: absolute;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  background: linear-gradient(180deg, rgba(0, 114, 66, 0.9) 0%, rgba(0, 154, 41, 0.85) 100%);
-}
-
 .hero-content {
   position: relative;
   z-index: 1;
diff --git a/txw-mhzc-web/src/pages/index/views/tzzx/index.vue b/txw-mhzc-web/src/pages/index/views/tzzx/index.vue
index a8aba6e..47dcc6a 100644
--- a/txw-mhzc-web/src/pages/index/views/tzzx/index.vue
+++ b/txw-mhzc-web/src/pages/index/views/tzzx/index.vue
@@ -21,8 +21,7 @@ import {
   isAllowedIframeMessageOrigin,
 } from '@/pages/index/utils/tzzx-iframe';
 
-/** 视口降级时 iframe 高度 = 视口高度 - 该偏移（预留顶栏/底边距） */
-const VIEWPORT_HEIGHT_OFFSET = 100;
+// 视口降级时高度使用 CSS 变量 --page-offset-top（与 main.vue 顶部固定栏保持一致）
 
 export default {
   name: 'tzzx',
@@ -53,7 +52,7 @@ export default {
       }
       return {
         ...base,
-        height: `calc(100vh - ${VIEWPORT_HEIGHT_OFFSET}px)`,
+        height: 'calc(100dvh - var(--page-offset-top))',
         minHeight: '480px',
       };
     },