diff --git a/css/index.css b/css/index.css
index 3df2efd..a7e16bd 100644
--- a/css/index.css
+++ b/css/index.css
@@ -1,60 +1,36 @@
-/* banner */
-.banner-cont {
+/* banner 整体区域：轮播作为背景，文字和下方模块在同一内容宽度内左对齐 */
+.banner {
   position: relative;
-  width: 100%;
+  background: #f7f9fa;
+  overflow: hidden;
 }
 
-.banner-cont .swiper-slide {
-  height: 500px;
-  width: 100%;
-  background: linear-gradient(0, #f7f9fa, #f9fafb);
-}
-
-.banner-cont .swiper-slide .img {
-  /* 保持图片占满宽度，避免拉伸过度 */
-  max-height: 100%;
-  max-width: 100%;
-  width: 100%;
-}
-
-/* 文案区域：固定在左侧，顶部留出一致间距，避免切换时轻微位移 */
-.banner-cont .banner-text {
+/* 背景轮播图 */
+.banner-cont {
   position: absolute;
   left: 0;
   top: 0;
   width: 100%;
+  height: 420px;
+}
+
+.banner-cont .swiper-wrapper,
+.banner-cont .swiper-slide {
   height: 100%;
-  display: flex;
-  align-items: flex-start;
-  pointer-events: none;
 }
 
-.banner-cont .banner-text .section-content {
-  padding-top: 120px;
-  padding-bottom: 0;
-  display: flex;
-  flex-direction: column;
-  align-items: flex-start;
-  z-index: 1;
+.banner-cont .swiper-slide {
+  background: transparent;
 }
 
-.banner-cont .banner-text h1 {
-  font-size: 40px;
-  line-height: 1.2;
-  color: #111827;
+.banner-cont .swiper-slide .img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
 }
 
-.banner-cont .banner-desc {
-  font-size: 16px;
-  margin-top: 16px;
-  margin-bottom: 32px;
-  max-width: 550px;
-  color: rgba(0, 0, 0, 0.65);
-}
-
-/* 按钮保持可点击 */
-.banner-cont .banner-text .btn {
-  pointer-events: auto;
+.banner-cont .swiper-pagination {
+  bottom: 24px;
 }
 
 .banner-cont .swiper-pagination-bullet {
@@ -69,39 +45,70 @@
   background: rgba(255, 103, 57, 1);
 }
 
+/* 文案和下方快捷模块统一放在 section-content 内，保证左对齐 */
+.banner .banner-layout {
+  position: relative;
+  z-index: 1;
+  padding-top: 120px; /* 覆盖 .section-content 默认的 80px，让文字进入轮播区域 */
+  padding-bottom: 40px;
+}
+
+.banner .banner-copy {
+  max-width: 560px;
+  margin-bottom: 32px;
+}
+
+.banner .banner-copy #bannerTitle {
+  font-size: 40px;
+  line-height: 1.2;
+  color: #111827;
+}
+
+.banner .banner-copy .banner-desc {
+  font-size: 16px;
+  margin-top: 16px;
+  margin-bottom: 32px;
+  max-width: 550px;
+  color: rgba(0, 0, 0, 0.65);
+}
+
+.banner .banner-copy #bannerButton {
+  pointer-events: auto;
+}
+
 .banner .banner-s {
   box-shadow: 0px 0px 16px rgba(52, 52, 52, 0.16);
   border-radius: 3px;
-}
-
-.banner .banner-s .banner-list {
-  display: flex;
-  flex-wrap: wrap;
-  padding: 0 20px;
-}
-
-.banner-s .banner-list .banner-item {
-  flex: 1;
-  cursor: pointer;
-  width: 335px;
-  padding: 30px 60px;
-}
-
-.banner-s .banner-list .banner-item:hover {
-  background: rgba(247, 248, 249, 1);
-}
-
-.banner-s .banner-list .banner-item:hover h5 {
-  color: #FF6739;
-}
-
-.banner-list .banner-item .banner-tag {
-  font-size: 12px;
-  color: #FF6739;
-  border: 1px solid #FF6739;
-  padding: 5px 8px;
-  border-radius: 3px;
-}
+}
+
+.banner .banner-s .banner-list {
+  display: flex;
+  flex-wrap: wrap;
+  padding: 0 20px;
+}
+
+.banner-s .banner-list .banner-item {
+  flex: 1;
+  cursor: pointer;
+  width: 335px;
+  padding: 30px 60px;
+}
+
+.banner-s .banner-list .banner-item:hover {
+  background: rgba(247, 248, 249, 1);
+}
+
+.banner-s .banner-list .banner-item:hover h5 {
+  color: #FF6739;
+}
+
+.banner-list .banner-item .banner-tag {
+  font-size: 12px;
+  color: #FF6739;
+  border: 1px solid #FF6739;
+  padding: 5px 8px;
+  border-radius: 3px;
+}
 
 /* 服务内容 */
 .service-content {
diff --git a/index.html b/index.html
index 26dde2f..f969d87 100644
--- a/index.html
+++ b/index.html
@@ -13,51 +13,51 @@
 
   <!-- banner -->
   <section class="section banner">
+    <!-- 背景轮播图 -->
     <div class="swiper banner-cont">
       <div class="swiper-wrapper" id="bannerWrapper"></div>
-      <!-- 如果需要分页器 -->
       <div class="swiper-pagination"></div>
-      <!-- 固定文案区域，使用第一张轮播图的标题/描述/按钮 -->
-      <div class="banner-text">
-        <div class="section-content">
-          <h1 id="bannerTitle"></h1>
-          <p class="banner-desc" id="bannerDesc"></p>
-          <a
-            class="btn btn2 btn-normal"
-            href="javascript:;"
-            id="bannerButton"
-            style="display: none;"
-          ></a>
+    </div>
+
+    <!-- 文字 + 下方快捷模块，整体左对齐 -->
+    <div class="section-content banner-layout">
+      <div class="banner-copy">
+        <h1 id="bannerTitle"></h1>
+        <p class="banner-desc" id="bannerDesc"></p>
+        <a
+          class="btn btn2 btn-normal"
+          href="javascript:;"
+          id="bannerButton"
+          style="display: none;"
+        ></a>
+      </div>
+
+      <div class="banner-s">
+        <div class="banner-list">
+          <div class="banner-item" id="cloud-box">
+            <h5>云服务器专场</h5>
+            <p class="title-desc mt-10 mb-10">无数个人用户的共同选择</p>
+            <span class="banner-tag">4核8G仅需228元</span>
+          </div>
+          <div class="banner-item" id="domain-box">
+            <h5>域名注册</h5>
+            <p class="title-desc mt-10 mb-10">优选主流域名注册服务</p>
+            <span class="banner-tag">.top 88元起</span>
+          </div>
+          <div class="banner-item" id="cps-box">
+            <h5>CPS推广</h5>
+            <p class="title-desc mt-10 mb-10">多种产品高达30%高额佣金</p>
+            <span class="banner-tag">最高可返佣金5W</span>
+          </div>
+          <div class="banner-item" id="logon-box">
+            <h5>注册有礼</h5>
+            <p class="title-desc mt-10 mb-10">免费注册领取专属礼包</p>
+            <span class="banner-tag">价值2000元</span>
+          </div>
         </div>
       </div>
     </div>
-    </div>
-    <div class="banner-s">
-      <div class="section-content banner-list">
-        <div class="banner-item" id="cloud-box">
-          <h5>云服务器专场</h5>
-          <p class="title-desc mt-10 mb-10">无数个人用户的共同选择</p>
-          <span class="banner-tag">4核8G仅需228元</span>
-        </div>
-        <div class="banner-item" id="domain-box">
-          <h5>域名注册</h5>
-          <p class="title-desc mt-10 mb-10">优选主流域名注册服务</p>
-          <span class="banner-tag">.top 88元起</span>
-        </div>
-        <div class="banner-item" id="cps-box">
-          <h5>CPS推广</h5>
-          <p class="title-desc mt-10 mb-10">多种产品高达30%高额佣金</p>
-          <span class="banner-tag">最高可返佣金5W</span>
-        </div>
-        <div class="banner-item" id="logon-box">
-          <h5>注册有礼</h5>
-          <p class="title-desc mt-10 mb-10">免费注册领取专属礼包</p>
-          <span class="banner-tag">价值2000元</span>
-        </div>
-      </div>
-
-    </div>
-  </section>
+  </section>
 
   <!-- 服务内容 -->
   <section class="section service">