diff --git a/css/index.css b/css/index.css
index 8d3fc17..a560a93 100644
--- a/css/index.css
+++ b/css/index.css
@@ -76,17 +76,182 @@
   color: #38BDF8;
 }
 
-/* 首页登录按钮优化 */
-#index .btn-normal-light {
-  color: #E5E7EB;
-  background: rgba(15, 23, 42, 0.6);
-  border-color: rgba(148, 163, 184, 0.2);
+/* ============================================
+   Header 登录注册按钮重新设计
+   ============================================ */
+
+/* nav-right 按钮容器布局 */
+#index .nav-right {
+  display: flex;
+  align-items: center;
+  gap: 12px;
 }
 
-#index .btn-normal-light:hover {
-  border-color: #38BDF8;
+/* 文档、控制台按钮 */
+#index .nav-right .control {
+  color: #E5E7EB;
+  padding: 8px 16px;
+  font-size: 14px;
+  font-weight: 500;
+  transition: all 0.3s ease;
+  border-radius: 6px;
+}
+
+#index .nav-right .control:hover {
   color: #38BDF8;
-  background: rgba(56, 189, 248, 0.1);
+  background: rgba(56, 189, 248, 0.08);
+}
+
+/* 登录注册按钮容器 */
+#index .no-login {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-left: 8px;
+}
+
+/* 登录按钮 - 线框风格 */
+#index .btn-normal-light,
+#index #loginBtn {
+  padding: 8px 20px;
+  font-size: 14px;
+  font-weight: 500;
+  color: #E5E7EB;
+  background: transparent;
+  border: 1px solid rgba(148, 163, 184, 0.3);
+  border-radius: 8px;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  position: relative;
+  overflow: hidden;
+}
+
+#index .btn-normal-light::before,
+#index #loginBtn::before {
+  content: '';
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  width: 0;
+  height: 0;
+  border-radius: 50%;
+  background: rgba(56, 189, 248, 0.15);
+  transform: translate(-50%, -50%);
+  transition: width 0.6s ease, height 0.6s ease;
+}
+
+#index .btn-normal-light:hover,
+#index #loginBtn:hover {
+  border-color: rgba(56, 189, 248, 0.6);
+  color: #38BDF8;
+  box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
+  transform: translateY(-2px);
+}
+
+#index .btn-normal-light:hover::before,
+#index #loginBtn:hover::before {
+  width: 300px;
+  height: 300px;
+}
+
+/* 注册按钮 - 渐变填充风格 */
+#index .btn-normal,
+#index #registBtn {
+  padding: 8px 20px;
+  font-size: 14px;
+  font-weight: 600;
+  color: #ffffff;
+  background: linear-gradient(135deg, #38BDF8 0%, #6366F1 100%);
+  border: 1px solid transparent;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  position: relative;
+  overflow: hidden;
+}
+
+#index .btn-normal::before,
+#index #registBtn::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: linear-gradient(135deg, #6366F1 0%, #38BDF8 100%);
+  opacity: 0;
+  transition: opacity 0.3s ease;
+}
+
+#index .btn-normal:hover,
+#index #registBtn:hover {
+  box-shadow:
+    0 6px 20px rgba(56, 189, 248, 0.4),
+    0 0 30px rgba(56, 189, 248, 0.3);
+  transform: translateY(-2px);
+}
+
+#index .btn-normal:hover::before,
+#index #registBtn:hover::before {
+  opacity: 1;
+}
+
+#index .btn-normal span,
+#index #registBtn span {
+  position: relative;
+  z-index: 1;
+}
+
+/* 已登录状态样式 */
+#index .login-in {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 6px 12px;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  position: relative;
+}
+
+#index .login-in:hover {
+  background: rgba(56, 189, 248, 0.08);
+}
+
+#index .login-in .head-img {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  background: linear-gradient(135deg, #38BDF8 0%, #6366F1 100%);
+  border: 2px solid rgba(148, 163, 184, 0.3);
+  transition: all 0.3s ease;
+}
+
+#index .login-in:hover .head-img {
+  border-color: rgba(56, 189, 248, 0.6);
+  box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
+}
+
+#index .login-in .name {
+  color: #E5E7EB;
+  font-size: 14px;
+  font-weight: 500;
+}
+
+/* 响应式适配 */
+@media (max-width: 768px) {
+  #index .nav-right .control {
+    padding: 6px 12px;
+    font-size: 13px;
+  }
+
+  #index .btn-normal-light,
+  #index #loginBtn,
+  #index .btn-normal,
+  #index #registBtn {
+    padding: 6px 16px;
+    font-size: 13px;
+  }
 }
 
 /* 首页下拉菜单优化 - 确保高层级 */