diff --git a/css/index.css b/css/index.css
index 3bae8a2..d64757a 100644
--- a/css/index.css
+++ b/css/index.css
@@ -699,11 +699,24 @@
 
   /* 调整 banner 高度 */
   .banner-cont .swiper-slide {
-    height: 480px;
-    /* 移动端使用更清爽的渐变背景 */
-    background:
-      linear-gradient(135deg, rgba(56, 189, 248, 0.08) 0%, rgba(99, 102, 241, 0.05) 100%),
-      linear-gradient(180deg, #f8fafc 0%, #e0f2fe 100%);
+    height: 360px;
+    /* Reduced from 480px */
+    padding-top: 56px;
+    /* Compensate for sticky header overlap if needed, or if under header */
+    margin-top: 0;
+
+    /* Mobile Background Optimization */
+    /* Center the image and cover the area */
+    background-position: center bottom !important;
+    background-size: cover !important;
+    /* Force no repeat */
+    background-repeat: no-repeat !important;
+  }
+
+  /* Ensure banner container connects seamlessly */
+  .banner-cont {
+    margin-top: 0 !important;
+    padding-top: 0 !important;
   }
 
   /* 移动端遮罩层更轻 */
@@ -715,12 +728,19 @@
   .banner-cont .swiper-slide .section-content {
     text-align: center;
     padding: 0 20px;
+    height: 100%;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
   }
 
   /* 移动端标题样式 - 增大字号 */
   .banner-cont .swiper-slide h1 {
-    font-size: 32px;
-    line-height: 1.3;
+    font-size: 36px;
+    /* Increased from 32px */
+    line-height: 1.2;
+    margin-bottom: 12px;
     /* 移动端使用深色文字 */
     background: linear-gradient(135deg, #0f172a 0%, #1e40af 100%);
     -webkit-background-clip: text;
@@ -732,37 +752,43 @@
   /* 移动端标签居中 */
   .banner-tags {
     justify-content: center;
-    margin-bottom: 20px;
+    margin-bottom: 24px;
   }
 
   .banner-tag-pill {
-    font-size: 12px;
-    padding: 6px 14px;
+    font-size: 13px;
+    padding: 6px 16px;
   }
 
   /* 移动端描述文字 - 增大字号 */
   .banner-cont .banner-desc {
-    font-size: 15px;
-    line-height: 1.6;
+    font-size: 17px;
+    /* Increased from 15px */
+    line-height: 1.5;
     color: #475569;
-    margin-top: 16px;
-    margin-bottom: 28px;
+    margin-top: 0;
+    margin-bottom: 32px;
+    max-width: 90%;
   }
 
   /* 移动端按钮样式 - 增大尺寸 */
   .banner-cont .btn2 {
-    font-size: 16px;
-    padding: 14px 40px;
+    font-size: 18px;
+    /* Increased from 16px */
+    padding: 16px 48px;
+    /* Larger touch target */
+    border-radius: 50px;
+    /* Modern pill shape */
   }
 
   /* 移动端分页器位置调整 */
   .banner-cont .swiper-pagination {
-    bottom: 24px !important;
+    bottom: 20px !important;
   }
 
   .banner-cont .swiper-pagination-bullet {
     width: 40px !important;
-    height: 3px !important;
+    height: 4px !important;
   }
 }