添加新手指南

Change-Id: Ida2104eac0c377b3a9ffdafa2c99d9fdafba6fec
diff --git a/src/components/Header.css b/src/components/Header.css
index f322e13..017ba1d 100644
--- a/src/components/Header.css
+++ b/src/components/Header.css
@@ -90,5 +90,28 @@
   transform: scale(1.1); /* 选中项微微放大 */
   line-height: 40px; /* 调整line-height,使文字更居中 */
 }
+/* 新手指南按钮 */
+.guide-button {
+  display: flex;
+  align-items: center;
+  background-color: #a67c6a; /* 柔棕底色 */
+  color: #fff;
+  border: none;
+  border-radius: 20px;
+  padding: 6px 12px;
+  font-size: 16px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: background-color 0.3s ease, transform 0.2s ease;
+}
+
+.guide-button:hover {
+  background-color: #8d6e63; /* 深一点 hover */
+  transform: scale(1.05);
+}
+
+.guide-button span {
+  user-select: none;
+}