feat: 统一全站设计风格、导航组件与文案逻辑自洽性修复

- 新增 InkGlowCard 墨韵流光卡片组件，统一全站卡片交互风格
- 新增 PageNav 面包屑组件，统一全站页面导航
- 统一色彩体系、排版层级、间距节奏和动画风格
- 修复 CTA 区品牌名称错误（诺瓦隆→睿新致遠）
- 修复 ERP 产品卖点与年费制定价矛盾
- 导航下拉补充 SDS 和 OA 产品
- 统一全站数据指标为 12+年核心团队经验、6自研产品、10+团队成员
- 移除不可靠的 100%客户满意度和 30+行业专家指标
- 修复新闻时间线不合理问题，调整里程碑节奏
- 统一响应承诺为工作日快速响应
- 服务第4项重命名为行业方案实施，厘清概念
- 服务详情页效果数据改为定性描述
- 删除 cases 模块，精简代码库

src/components/layout/footer.tsx

@@ -11,11 +11,10 @@ export function Footer() {
           <div data-testid="card-brand">
             <div className="mb-6">
               <Image
-                src="/logo.svg"
+                src="/logo-light.svg"
                 alt={COMPANY_INFO.name}
                 width={160}
                 height={40}
-                className="brightness-0 invert"
                 loading="eager"
                 priority
               />
@@ -55,7 +54,7 @@ export function Footer() {
           </div>
 
           <div data-testid="card-products">
-            <h3 className="font-semibold text-base mb-5 text-white">产品服务</h3>
+            <h3 className="font-semibold text-base mb-5 text-white">产品</h3>
             <ul className="space-y-3">
               {(MEGA_DROPDOWN_DATA.products ?? []).map((item) => (
                 <li key={item.id}>
@@ -111,7 +110,7 @@ export function Footer() {
           </div>
         </div>
 
-        <div className="border-t border-[#333] mt-12 pt-8">
+        <div className="border-t border-[#333] mt-12 pt-8 pb-24 md:pb-8">
           <div className="flex flex-col md:flex-row justify-between items-center gap-4">
             <p className="text-[#666] text-sm">
               © {new Date().getFullYear()} {COMPANY_INFO.name}. All rights reserved.
@@ -127,28 +126,28 @@ export function Footer() {
           </div>
 
           <div className="text-center mt-6 pt-6 border-t border-[#333]">
-            <div className="flex flex-col sm:flex-row justify-center items-center gap-2 sm:gap-4 text-xs text-[#555]">
+            <div className="flex flex-col sm:flex-row justify-center items-center gap-2 sm:gap-4 text-xs">
               <a
                 href="https://beian.miit.gov.cn/"
                 target="_blank"
                 rel="noopener noreferrer"
-                className="hover:text-white transition-colors duration-200"
+                className="text-[#E0E0E0] hover:text-white transition-colors duration-200"
               >
                 {COMPANY_INFO.icp}
               </a>
-              <span className="hidden sm:inline">|</span>
+              <span className="hidden sm:inline text-[#999]">|</span>
               <a
                 href="https://beian.mps.gov.cn/#/query/webSearch?code=51010602003285"
                 target="_blank"
                 rel="noreferrer"
-                className="hover:text-white transition-colors duration-200 inline-flex items-center gap-1"
+                className="text-[#E0E0E0] hover:text-white transition-colors duration-200 inline-flex items-center gap-1.5"
               >
                 <Image
                   src="/images/beian-icon.png"
                   alt="公安备案"
-                  width={14}
-                  height={14}
-                  className="w-3.5 h-3.5"
+                  width={16}
+                  height={16}
+                  className="w-4 h-4"
                   loading="lazy"
                 />
                 {COMPANY_INFO.police}