css/index.css

@@ -1,66 +1,41 @@
 /* banner */
-.banner-cont {
+.banner {
   position: relative;
-  width: 100%;
+  background: #f7f9fa;
+  overflow: hidden;
 }
 
-.banner-cont .swiper-slide {
-  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 */
-  width: 100%;
-  height: auto;
-  max-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 {
+/* 轮播图作为背景层，图片负责铺满顶部区域 */
+.banner-bg {
   position: absolute;
-  left: 0;
   top: 0;
+  left: 0;
+  width: 100%;
+  height: 420px;
+  overflow: hidden;
+}
+
+.banner-bg .banner-cont,
+.banner-bg .banner-cont .swiper-wrapper,
+.banner-bg .banner-cont .swiper-slide {
+  height: 100%;
+}
+
+.banner-bg .banner-cont .swiper-slide {
+  background: transparent;
+}
+
+.banner-bg .banner-cont .swiper-slide .img {
   width: 100%;
   height: 100%;
-  display: flex;
-  align-items: center;   /* 垂直居中，水平方向由内部 .section-content 控制 */
-  pointer-events: none;
+  object-fit: cover;
 }
 
-.banner-cont .banner-text .section-content {
-  /* 继承 .section-content 的左右 padding 和宽度，只单独控制上下间距 */
-  padding-top: 120px;
-  padding-bottom: 0;
-  z-index: 1;
+.banner-bg .banner-cont .swiper-pagination {
+  bottom: 24px;
 }
 
-/* 文案块：控制具体的左边距，让其与下方 banner-s 第一列内容对齐 */
-.banner-cont .banner-copy {
-  max-width: 560px;
-  text-align: left; /* 与下方内容同样左对齐 */
-}
-
-.banner-cont .banner-copy h1 {
-  font-size: 40px;
-  line-height: 1.2;
-  color: #111827;
-}
-
-.banner-cont .banner-copy .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-bullet {
+.banner-bg .banner-cont .swiper-pagination-bullet {
   width: 36px;
   height: 4px;
   background: #D7DCE4;
@@ -68,10 +43,44 @@
   border-radius: 3px;
 }
 
-.banner-cont .swiper-pagination-bullet-active {
+.banner-bg .banner-cont .swiper-pagination-bullet-active {
   background: rgba(255, 103, 57, 1);
 }
 
+/* 文案 + 下方模块共用一个 section-content 容器，天然同宽 */
+.banner-main {
+  position: relative;
+  z-index: 1;
+  display: flex;
+  flex-direction: column;
+  gap: 24px;
+  padding-top: 140px; /* 控制文案距离顶部的位置 */
+  padding-bottom: 40px;
+}
+
+.banner-copy {
+  max-width: 560px;
+  text-align: left;
+}
+
+.banner-copy #bannerTitle {
+  font-size: 40px;
+  line-height: 1.2;
+  color: #111827;
+}
+
+.banner-copy .banner-desc {
+  font-size: 16px;
+  margin-top: 16px;
+  margin-bottom: 32px;
+  max-width: 550px;
+  color: rgba(0, 0, 0, 0.65);
+}
+
+.banner-copy #bannerButton {
+  pointer-events: auto;
+}
+
 .banner .banner-s {
   box-shadow: 0px 0px 16px rgba(52, 52, 52, 0.16);
   border-radius: 3px;