feat(agreement): 更新注册协议与隐私政策内容

- 将注册协议标题及内容调整为“用户注册协议”并替换为广西决策咨询网相关内容
- 新增服务内容详细介绍，涵盖政策要闻、决策咨询、专家资讯等核心服务
- 隐私政策中更新平台名称及收集信息内容，增加申请材料和建言内容
- 登录页品牌文案和配色全面更新，采用蓝色主题并匹配新品牌形象
- 登录页和注册协议页面相关文案同步调整为广西决策咨询网风格
- 完善后台管理页面及前台多个页面适配，统一为决策咨询网专用配置

app/pages/login.vue

@@ -52,7 +52,7 @@
         <!-- 移动端 logo（仅小屏显示） -->
         <div class="mobile-brand">
           <img :src="config?.sysLogo || defaultLogo" class="mobile-logo" alt="logo" />
-          <span class="mobile-brand-name">{{ config?.siteName || $t('login.aiAppPlatform') }}</span>
+          <span class="mobile-brand-name">{{ config?.siteName || '广西决策咨询网' }}</span>
         </div>
 
         <!-- 登录卡片头部 -->
@@ -487,14 +487,14 @@ onUnmounted(() => {
 .dot-2 {
   width: 320px;
   height: 320px;
-  background: radial-gradient(circle, rgba(167, 139, 250, 0.18) 0%, transparent 65%);
+  background: radial-gradient(circle, rgba(99, 179, 237, 0.18) 0%, transparent 65%);
   bottom: 60px;
   left: -60px;
 }
 .dot-3 {
   width: 180px;
   height: 180px;
-  background: radial-gradient(circle, rgba(236, 72, 153, 0.14) 0%, transparent 65%);
+  background: radial-gradient(circle, rgba(249, 115, 22, 0.14) 0%, transparent 65%);
   top: 45%;
   left: 55%;
 }
@@ -564,7 +564,7 @@ onUnmounted(() => {
   letter-spacing: 0.04em;
   white-space: nowrap;
   line-height: 1;
-  background: linear-gradient(135deg, #ffffff 0%, #a5c8ff 100%);
+  background: linear-gradient(135deg, #ffffff 0%, #93c5fd 100%);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
@@ -586,9 +586,9 @@ onUnmounted(() => {
   gap: 6px;
   padding: 5px 14px;
   border-radius: 20px;
-  background: rgba(99, 102, 241, 0.2);
-  border: 1px solid rgba(99, 102, 241, 0.35);
-  color: #a5b4fc;
+  background: rgba(37, 99, 235, 0.2);
+  border: 1px solid rgba(37, 99, 235, 0.35);
+  color: #93c5fd;
   font-size: 12px;
   font-weight: 500;
   letter-spacing: 0.5px;
@@ -762,9 +762,9 @@ onUnmounted(() => {
 }
 .login-form :deep(.ant-input-affix-wrapper:focus),
 .login-form :deep(.ant-input-affix-wrapper-focused) {
-  border-color: #6366f1;
+  border-color: #2563eb;
   background: #fff;
-  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
+  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
 }
 .login-form :deep(.ant-form-item) {
   margin-bottom: 18px;
@@ -823,10 +823,10 @@ onUnmounted(() => {
   flex-shrink: 0;
   padding: 0 18px;
   height: 48px;
-  border: 1px solid #6366f1;
+  border: 1px solid #2563eb;
   border-radius: 10px;
   background: transparent;
-  color: #6366f1;
+  color: #2563eb;
   font-size: 13px;
   font-weight: 500;
   cursor: pointer;
@@ -835,7 +835,7 @@ onUnmounted(() => {
   outline: none;
 }
 .sms-btn:hover:not(.disabled) {
-  background: #6366f1;
+  background: #2563eb;
   color: #fff;
 }
 .sms-btn.disabled {
@@ -906,9 +906,9 @@ onUnmounted(() => {
   outline: none;
 }
 .switch-scan-btn:hover {
-  border-color: #6366f1;
-  color: #6366f1;
-  background: rgba(99, 102, 241, 0.04);
+  border-color: #2563eb;
+  color: #2563eb;
+  background: rgba(37, 99, 235, 0.04);
 }
 
 /* 弹窗 */