再次优化移动端 banner-list 卡片：减少宽度、增加高度

banner-list 卡片调整：
- 767px：gap 8→6px，padding 12→10px，min-height 70→85px
- 575px：min-height 65→85px
- 480px：max-height→min-height 70px
- 360px：min-height 75px
- icon 调小，间距调整，字号优化

优化移动端登录按钮（767px）：
- padding 12→10px，字号 11→10px
- min-width 55→45px，height 32→28px
- 解决按钮占用过多空间问题

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

css/index.css

@@ -2503,11 +2503,11 @@ html {
 
   #index .no-login .btn.btn-normal-light.mr-10#loginBtn,
   #index .no-login .btn.btn-normal#registBtn {
-    padding: 0 12px !important;
-    font-size: 11px !important;
-    min-width: 55px !important;
-    height: 32px !important;
-    line-height: 32px !important;
+    padding: 0 10px !important;
+    font-size: 10px !important;
+    min-width: 45px !important;
+    height: 28px !important;
+    line-height: 28px !important;
   }
 
   /* ===== Banner 区域 - 大幅缩小 ===== */
@@ -2555,12 +2555,12 @@ html {
   /* ===== Banner 快速入口 - 四宫格布局（2列×2行） ===== */
   .banner .banner-s {
     margin-top: 12px;
-    padding: 12px 8px;
+    padding: 10px 6px;
     background: transparent;
   }
 
   .banner .banner-s .banner-list {
-    gap: 8px !important;
+    gap: 6px !important;
     display: grid !important;
     grid-template-columns: repeat(2, 1fr) !important;
     width: 100% !important;
@@ -2568,14 +2568,14 @@ html {
   }
 
   .banner-s .banner-list .banner-item {
-    padding: 12px 14px !important;
+    padding: 10px 10px !important;
     gap: 8px !important;
     flex: none !important;
     display: flex !important;
     flex-direction: row !important;
     align-items: center !important;
     text-align: left !important;
-    min-height: 70px !important;
+    min-height: 85px !important;
     max-height: none !important;
     justify-content: flex-start !important;
     border-radius: 0 !important;
@@ -2587,10 +2587,10 @@ html {
   }
 
   .banner-s .banner-list .banner-item .banner-item-icon {
-    width: 32px;
-    height: 32px;
+    width: 30px;
+    height: 30px;
     margin-bottom: 0;
-    margin-right: 10px;
+    margin-right: 8px;
     flex-shrink: 0;
   }
 
@@ -2604,14 +2604,14 @@ html {
   }
 
   .banner-s .banner-list .banner-item h5 {
-    font-size: 12px !important;
+    font-size: 11px !important;
     margin-bottom: 0 !important;
     line-height: 1.3;
     color: #E5E7EB;
   }
 
   .banner-s .banner-list .banner-item .title-desc {
-    font-size: 10px !important;
+    font-size: 9px !important;
     line-height: 1.3;
     margin: 0 !important;
     color: rgba(203, 213, 225, 0.8);
@@ -2976,7 +2976,7 @@ html {
     line-height: 28px !important;
   }
 
-  /* ===== Banner - 极简版 ===== */
+  /* ===== Banner ===== */
   .banner-cont .swiper-slide {
     height: 240px !important;
   }
@@ -3018,7 +3018,7 @@ html {
 
   .banner-s .banner-list .banner-item {
     padding: 10px 12px !important;
-    min-height: 65px !important;
+    min-height: 85px !important;
   }
 
   .banner-s .banner-list .banner-item .banner-item-icon {
@@ -3300,7 +3300,7 @@ html {
     flex-direction: row !important;
     align-items: center !important;
     text-align: left !important;
-    max-height: 60px !important;
+    min-height: 70px !important;
     justify-content: flex-start !important;
     border-radius: 0 !important;
     width: auto !important;
@@ -3322,7 +3322,7 @@ html {
     display: flex;
     flex-direction: column;
     align-items: flex-start;
-    gap: 2px;
+    gap: 3px;
     flex: 1;
     min-width: 0;
   }
@@ -3335,7 +3335,7 @@ html {
   }
 
   .banner-s .banner-list .banner-item .title-desc {
-    font-size: 8px !important;
+    font-size: 9px !important;
     line-height: 1.2;
     margin: 0 !important;
     color: rgba(203, 213, 225, 0.8);
@@ -3448,7 +3448,7 @@ html {
     flex-direction: row !important;
     align-items: center !important;
     text-align: left !important;
-    min-height: 65px !important;
+    min-height: 75px !important;
     justify-content: flex-start !important;
     border-radius: 0 !important;
     width: auto !important;