From e5fb015cd8c0cd8556dc46c7a4fb2df4e462c662 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=83=AD=E5=BA=86=E6=B3=B0?=
 <12369755+htcloud1@user.noreply.gitee.com>
Date: Sat, 22 Aug 2026 20:40:54 +0800
Subject: [PATCH] =?UTF-8?q?feat(theme):=20=E4=B8=BB=E8=89=B2=E4=BB=8E?=
 =?UTF-8?q?=E6=B7=B1=E6=B5=B7=E5=86=9B=E8=93=9D=20#1E3A8A=20=E6=94=B9?=
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改动 theme.scss :root 7 个 CSS 变量:
- --brand-primary        #1E3A8A → #007A95 (青蓝/cyan)
- --brand-primary-deep   #152a66 → #004858
- --brand-primary-darker #0d1d4d → #002129
- --brand-primary-light  #3a55a3 → #00acd2
- --brand-primary-lighter #c1cbe6 → #49deff
- --brand-primary-text   #4f6dbf → #06d2ff
- --brand-primary-mix    #8e9ad1 → #7ce7ff

派生色算法 (theme.js derivePalette):
- deep/darker: lightness -12 / -22
- light: lightness +12
- lighter: lightness +35
- text: lightness +22
- mix: lightness +45

新色 HSL: H=191° S=100% L=29% (青蓝范围)
派生色按 HSL lightness 算法重算, 跟 theme.js derivePalette() 一致.

业务代码全部用 var(--brand-primary) 变量, 无任何硬编码
(上个 commit cd01550 已清理), 换色自动全局生效.

Element Plus 联动变量 (--el-color-primary 等) 通过 main.js 同步, 也跟着换.
---
 ry-vue3/src/assets/theme.scss | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/ry-vue3/src/assets/theme.scss b/ry-vue3/src/assets/theme.scss
index 005f0c9..ea63ea4 100644
--- a/ry-vue3/src/assets/theme.scss
+++ b/ry-vue3/src/assets/theme.scss
@@ -18,13 +18,13 @@
    ============================================================= */
 
 :root {
-  --brand-primary: #1E3A8A;
-  --brand-primary-deep: #152a66;
-  --brand-primary-darker: #0d1d4d;
-  --brand-primary-light: #3a55a3;
-  --brand-primary-lighter: #c1cbe6;
-  --brand-primary-text: #4f6dbf;
-  --brand-primary-mix: #8e9ad1;
+  --brand-primary: #007A95;
+  --brand-primary-deep: #004858;
+  --brand-primary-darker: #002129;
+  --brand-primary-light: #00acd2;
+  --brand-primary-lighter: #49deff;
+  --brand-primary-text: #06d2ff;
+  --brand-primary-mix: #7ce7ff;
 }
 
 /* Element Plus 联动：把品牌色同步给 Element Plus 内置变量。