refactor(IndexList): 扩大 Sidebar 触控区域

删除 Sidebar 样式 width，扩大 Sidebar 触控区域

Author: juzi214032

dist/index-list/index.wxss

@@ -1 +1 @@
-.index-list .sidebar{font-size:24rpx;position:fixed;right:30rpx;width:20rpx;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center}.index-list .sidebar-item{width:40rpx;height:40rpx;border-radius:50%;display:flex;justify-content:center;align-items:center;margin-top:8rpx}.index-list .sidebar-item-active{color:#fff;background-color:#3963bc}.index-list .tip{width:90rpx;height:90rpx;background-color:#d8d8d8;border-radius:90px 90px 0;display:flex;justify-content:center;align-items:center;position:absolute;left:-160rpx;transform:rotate(-45deg) translateY(-35%)}.index-list .tip-text{font-size:30rpx;transform:rotate(45deg)}
+.index-list .sidebar{font-size:24rpx;position:fixed;right:30rpx;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center}.index-list .sidebar-item{width:40rpx;height:40rpx;border-radius:50%;display:flex;justify-content:center;align-items:center;margin-top:8rpx}.index-list .sidebar-item-active{color:#fff;background-color:#3963bc}.index-list .tip{width:90rpx;height:90rpx;background-color:#d8d8d8;border-radius:90px 90px 0;display:flex;justify-content:center;align-items:center;position:absolute;left:-160rpx;transform:rotate(-45deg) translateY(-35%)}.index-list .tip-text{font-size:30rpx;transform:rotate(45deg)}

examples/dist/index-list/index.wxss

@@ -1 +1 @@
-.index-list .sidebar{font-size:24rpx;position:fixed;right:30rpx;width:20rpx;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center}.index-list .sidebar-item{width:40rpx;height:40rpx;border-radius:50%;display:flex;justify-content:center;align-items:center;margin-top:8rpx}.index-list .sidebar-item-active{color:#fff;background-color:#3963bc}.index-list .tip{width:90rpx;height:90rpx;background-color:#d8d8d8;border-radius:90px 90px 0;display:flex;justify-content:center;align-items:center;position:absolute;left:-160rpx;transform:rotate(-45deg) translateY(-35%)}.index-list .tip-text{font-size:30rpx;transform:rotate(45deg)}
+.index-list .sidebar{font-size:24rpx;position:fixed;right:30rpx;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center}.index-list .sidebar-item{width:40rpx;height:40rpx;border-radius:50%;display:flex;justify-content:center;align-items:center;margin-top:8rpx}.index-list .sidebar-item-active{color:#fff;background-color:#3963bc}.index-list .tip{width:90rpx;height:90rpx;background-color:#d8d8d8;border-radius:90px 90px 0;display:flex;justify-content:center;align-items:center;position:absolute;left:-160rpx;transform:rotate(-45deg) translateY(-35%)}.index-list .tip-text{font-size:30rpx;transform:rotate(45deg)}

src/index-list/index.less

@@ -6,7 +6,6 @@
     font-size: 24rpx;
     position: fixed;
     right: 30rpx;
-    width: 20rpx;
     top: 50%;
     transform: translateY(-50%);
     display: flex;