fix(breadcrumb): add aria-label to news detail breadcrumb for alignment

Also accumulates other pre-existing changes:
- refactor(icons): replace deprecated BarChart3 with TrendingUp
- refactor(services): replace emoji icons with LucideIcon components
- refactor(footer): use logo-white for dark background
- cleanup(archive): remove unused archive components
- cleanup(constants): remove unused types and exports

src/lib/constants/solutions.ts

@@ -1,42 +1,3 @@
-import { Lightbulb, Cpu, Users, type LucideIcon } from 'lucide-react';
-
-// ============ 首页解决方案概览 ============
-
-export interface SolutionOverview {
-  icon: LucideIcon;
-  title: string;
-  subtitle: string;
-  description: string;
-  points: string[];
-}
-
-/**
- * 首页解决方案概览数据
- */
-export const SOLUTIONS_OVERVIEW: SolutionOverview[] = [
-  {
-    icon: Lightbulb,
-    title: '参谋伙伴',
-    subtitle: '数字化转型咨询',
-    description: '帮您看清前路，迈对第一步。我们用行业智慧洞察趋势，用理性分析避开陷阱，用专业经验规划路径。从现状评估到战略规划，让您的每一步都有据可循。',
-    points: ['行业趋势洞察报告', '成熟度评估', '实施路径规划'],
-  },
-  {
-    icon: Cpu,
-    title: '技术伙伴',
-    subtitle: '信息技术解决方案',
-    description: '从设计到交付，提供一站式技术服务。我们深入理解您的业务场景，量身定制技术方案，用敏捷迭代确保快速见效，用工程规范保障交付质量。',
-    points: ['业务场景调研', '技术方案定制', '敏捷交付迭代'],
-  },
-  {
-    icon: Users,
-    title: '同行伙伴',
-    subtitle: '长期陪跑服务',
-    description: '不是一锤子买卖，而是长期同行。我们陪伴您走过数字化转型的每一段旅程，持续优化迭代，与您共同成长。专属客户成功经理、季度业务复盘、工作日快速响应，让转型之路不再孤单。',
-    points: ['专属客户成功经理', '季度业务复盘', '工作日快速响应'],
-  },
-];
-
 // ============ 解决方案详情数据 ============
 
 export interface Solution {