diff --git a/.impeccable.md b/PRODUCT.md
similarity index 100%
rename from .impeccable.md
rename to PRODUCT.md
diff --git a/src/app/(marketing)/contact/page.tsx b/src/app/(marketing)/contact/page.tsx
index 4786683..58c1201 100644
--- a/src/app/(marketing)/contact/page.tsx
+++ b/src/app/(marketing)/contact/page.tsx
@@ -9,11 +9,12 @@ import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { Textarea } from '@/components/ui/textarea';
 import { Toast } from '@/components/ui/toast';
-import { Mail, MapPin, Send, Loader2, Clock, HeadphonesIcon, CheckCircle2 } from 'lucide-react';
+import { Mail, MapPin, Send, Loader2, Clock, HeadphonesIcon, CheckCircle2, HelpCircle } from 'lucide-react';
 import { COMPANY_INFO } from '@/lib/constants';
 import { PageNav } from '@/components/layout/page-nav';
 import { trackContactForm, trackConversion } from '@/lib/analytics';
 import { BreadcrumbSchema } from '@/components/seo/structured-data';
+import { Tooltip } from '@/components/ui/tooltip';
 
 const contactFormSchema = z.object({
   name: z.string().min(2, '姓名至少需要2个字符'),
@@ -273,10 +274,18 @@ function ContactFormContent() {
                   <form onSubmit={handleSubmit} className="space-y-5">
                     <input type="text" name="website" style={{ display: 'none' }} tabIndex={-1} autoComplete="off" aria-hidden="true" />
                     <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
+                      <div className="relative">
                       <Input
                         name="name"
                         data-testid="name-input"
-                        label="姓名"
+                        label={
+                          <span className="flex items-center gap-1.5">
+                            姓名
+                            <Tooltip content="用于正式沟通和方案报价">
+                              <HelpCircle className="w-3.5 h-3.5 text-[var(--color-text-subtle)] hover:text-[var(--color-brand-primary)] cursor-help" />
+                            </Tooltip>
+                          </span>
+                        }
                         id="name"
                         placeholder="请输入您的姓名"
                         required
@@ -285,13 +294,22 @@ function ContactFormContent() {
                         onBlur={(e) => handleBlur('name', e.target.value)}
                         error={errors.name}
                       />
+                    </div>
+                    <div className="relative">
                       <Input
                         name="phone"
                         data-testid="phone-input"
-                        label="电话"
+                        label={
+                          <span className="flex items-center gap-1.5">
+                            电话
+                            <Tooltip content="接收项目进度通知和验证码，仅用于业务联系">
+                              <HelpCircle className="w-3.5 h-3.5 text-[var(--color-text-subtle)] hover:text-[var(--color-brand-primary)] cursor-help" />
+                            </Tooltip>
+                          </span>
+                        }
                         id="phone"
                         type="tel"
-                        placeholder="请输入您的电话"
+                        placeholder="请输入11位手机号"
                         required
                         value={formData.phone}
                         onChange={(e) => handleChange('phone', e.target.value)}
@@ -299,6 +317,7 @@ function ContactFormContent() {
                         error={errors.phone}
                       />
                     </div>
+                    </div>
                     <Input
                       name="email"
                       data-testid="email-input"
@@ -341,14 +360,15 @@ function ContactFormContent() {
                       type="submit"
                       data-testid="submit-button"
                       size="lg"
-                      className="w-full bg-[var(--color-brand-primary)] hover:bg-[var(--color-brand-primary-hover)] text-white min-h-13 md:min-h-0"
+                      className="w-full bg-[var(--color-brand-primary)] hover:bg-[var(--color-brand-primary-hover)] text-white min-h-13 md:min-h-0 relative overflow-hidden disabled:opacity-90"
                       disabled={isSubmitting}
                     >
                       {isSubmitting ? (
-                        <>
-                          <Loader2 className="mr-2 h-4 w-4 animate-spin" />
-                          发送中...
-                        </>
+                        <span className="flex items-center justify-center gap-2">
+                          <Loader2 className="h-4 w-4 animate-spin" />
+                          <span>发送中...</span>
+                          <span className="absolute inset-0 bg-gradient-to-r from-transparent via-white/10 to-transparent animate-pulse" />
+                        </span>
                       ) : (
                         <>
                           <Send className="mr-2 h-4 w-4" />
diff --git a/src/app/(marketing)/layout.tsx b/src/app/(marketing)/layout.tsx
index 3bdf7ee..5b2159b 100644
--- a/src/app/(marketing)/layout.tsx
+++ b/src/app/(marketing)/layout.tsx
@@ -3,6 +3,7 @@
 import { ErrorBoundary } from '@/components/ui/error-boundary';
 import { Header } from '@/components/layout/header';
 import { Footer } from '@/components/layout/footer';
+import { PageTransition } from '@/components/ui/page-transition';
 
 export default function MarketingLayout({
   children,
@@ -11,10 +12,19 @@ export default function MarketingLayout({
 }) {
   return (
     <div className="min-h-screen flex flex-col">
+      <a
+        href="#main-content"
+        data-skip-to-content
+        className="sr-only focus:not-sr-only focus:fixed focus:top-4 focus:left-4 focus:z-[100] focus:px-6 focus:py-3 focus:bg-[var(--color-brand-primary)] focus:text-white focus:rounded-lg focus:shadow-lg focus:outline-none"
+      >
+        跳转到主要内容
+      </a>
       <Header />
       <ErrorBoundary>
-        <main id="main-content" className="flex-1 pt-16">
-          {children}
+        <main id="main-content" tabIndex={-1} className="flex-1 pt-16" role="main" aria-label="页面主体内容">
+          <PageTransition>
+            {children}
+          </PageTransition>
         </main>
       </ErrorBoundary>
       <Footer />
diff --git a/src/app/(marketing)/news/[slug]/NewsDetailClient.tsx b/src/app/(marketing)/news/[slug]/NewsDetailClient.tsx
index 59bf728..206bfd9 100644
--- a/src/app/(marketing)/news/[slug]/NewsDetailClient.tsx
+++ b/src/app/(marketing)/news/[slug]/NewsDetailClient.tsx
@@ -70,7 +70,7 @@ export function NewsDetailClient({ news }: NewsDetailClientProps) {
               </div>
             )}
 
-            <div className="border-l-4 border-[var(--color-brand-primary)] pl-6 mb-8">
+            <div className="bg-[var(--color-brand-primary-bg)] rounded-xl p-6 mb-8">
               <p className="text-lg text-[var(--color-text-muted)] leading-relaxed">
                 {news.excerpt}
               </p>
diff --git a/src/app/(marketing)/news/page.tsx b/src/app/(marketing)/news/page.tsx
index 108ab6c..07f8b83 100644
--- a/src/app/(marketing)/news/page.tsx
+++ b/src/app/(marketing)/news/page.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useMemo, ChangeEvent } from 'react';
+import { useState, useMemo, ChangeEvent, useEffect } from 'react';
 import { motion } from 'framer-motion';
 import { useReducedMotion } from '@/hooks/use-reduced-motion';
 import { NEWS, COMPANY_INFO } from '@/lib/constants';
@@ -8,6 +8,7 @@ import { Badge } from '@/components/ui/badge';
 import { Input } from '@/components/ui/input';
 import { Button } from '@/components/ui/button';
 import { StaticLink } from '@/components/ui/static-link';
+import { LoadingState } from '@/components/ui/loading-state';
 import { Search, Calendar, ChevronLeft, ChevronRight, ArrowRight, Newspaper } from 'lucide-react';
 import { PageNav } from '@/components/layout/page-nav';
 
@@ -20,6 +21,12 @@ export default function NewsListPage() {
   const [selectedCategory, setSelectedCategory] = useState('全部');
   const [searchQuery, setSearchQuery] = useState('');
   const [currentPage, setCurrentPage] = useState(1);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    const timer = setTimeout(() => setIsLoading(false), 600);
+    return () => clearTimeout(timer);
+  }, []);
 
   const filteredNews = useMemo(() => {
     return NEWS.filter((newsItem) => {
@@ -119,8 +126,9 @@ export default function NewsListPage() {
               <p className="text-lg text-[var(--color-text-muted)]">没有找到相关新闻</p>
             </div>
           ) : (
-            <>
-              <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+            <LoadingState isLoading={isLoading} variant="list">
+              <>
+                <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
                 {paginatedNews.map((newsItem, index) => (
                   <motion.div
                     key={newsItem.id}
@@ -205,6 +213,7 @@ export default function NewsListPage() {
                 </div>
               )}
             </>
+            </LoadingState>
           )}
         </div>
       </section>
diff --git a/src/app/(marketing)/products/[id]/page.tsx b/src/app/(marketing)/products/[id]/page.tsx
index f11ac3c..788d645 100644
--- a/src/app/(marketing)/products/[id]/page.tsx
+++ b/src/app/(marketing)/products/[id]/page.tsx
@@ -3,6 +3,7 @@ import { StaticLink } from '@/components/ui/static-link';
 import { PRODUCTS, COMPANY_INFO } from '@/lib/constants';
 import { Button } from '@/components/ui/button';
 import { PageNav } from '@/components/layout/page-nav';
+import { DetailSwipeNav } from '@/components/ui/detail-swipe-nav';
 import { CheckCircle2, Zap, Target, Layers, ArrowRight, FlaskConical } from 'lucide-react';
 
 export async function generateStaticParams() {
@@ -35,6 +36,7 @@ export default async function ProductDetailPage({ params }: { params: Promise<{
 
   return (
     <div className="min-h-screen bg-[var(--color-bg-primary)]">
+      <DetailSwipeNav type="product" currentId={product.id} />
       <div className="pt-32 pb-16">
         <div className="container-wide">
           <PageNav items={[{ label: '产品', href: '/products' }, { label: product.title }]} />
@@ -98,8 +100,9 @@ export default async function ProductDetailPage({ params }: { params: Promise<{
               {product.benefits.map((benefit, index) => (
                 <div
                   key={index}
-                  className="flex items-start gap-3 p-4 rounded-lg border-l-4 border-[var(--color-brand-primary)] bg-[var(--color-bg-section)]"
+                  className="flex items-start gap-3 p-4 rounded-lg bg-[var(--color-brand-primary-bg)]"
                 >
+                  <div className="w-1.5 h-1.5 bg-[var(--color-brand-primary)] rounded-full mt-2 shrink-0" />
                   <span className="text-[var(--color-text-primary)] font-medium text-sm">{benefit}</span>
                 </div>
               ))}
diff --git a/src/app/(marketing)/products/page.tsx b/src/app/(marketing)/products/page.tsx
index 7e97cc7..b82ae5e 100644
--- a/src/app/(marketing)/products/page.tsx
+++ b/src/app/(marketing)/products/page.tsx
@@ -1,5 +1,6 @@
 'use client';
 
+import { useState, useEffect } from 'react';
 import { PRODUCTS } from '@/lib/constants';
 import { ProductCard } from '@/components/ui/product-card';
 import { motion } from 'framer-motion';
@@ -7,10 +8,17 @@ import { useReducedMotion } from '@/hooks/use-reduced-motion';
 import { PageNav } from '@/components/layout/page-nav';
 import { CTASection } from '@/components/sections/cta-section';
 import { BreadcrumbSchema } from '@/components/seo/structured-data';
+import { LoadingState } from '@/components/ui/loading-state';
 
 export default function ProductsPage() {
   const shouldReduceMotion = useReducedMotion();
   const fadeUp = shouldReduceMotion ? {} : { initial: { opacity: 0, y: 20 } };
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    const timer = setTimeout(() => setIsLoading(false), 500);
+    return () => clearTimeout(timer);
+  }, []);
   return (
     <div className="min-h-screen bg-[var(--color-bg-primary)]">
       <BreadcrumbSchema items={[{ name: '首页', href: '/' }, { name: '产品', href: '/products' }]} />
@@ -36,18 +44,20 @@ export default function ProductsPage() {
 
       <section className="pb-20">
         <div className="container-wide">
-          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
-            {PRODUCTS.map((product, index) => (
-              <ProductCard
-                key={product.id}
-                title={product.title}
-                description={product.description}
-                href={`/products/${product.id}`}
-                index={index}
-                status={product.status}
-              />
-            ))}
-          </div>
+          <LoadingState isLoading={isLoading} variant="card">
+            <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+              {PRODUCTS.map((product, index) => (
+                <ProductCard
+                  key={product.id}
+                  title={product.title}
+                  description={product.description}
+                  href={`/products/${product.id}`}
+                  index={index}
+                  status={product.status}
+                />
+              ))}
+            </div>
+          </LoadingState>
         </div>
       </section>
 
diff --git a/src/app/(marketing)/services/[id]/client.tsx b/src/app/(marketing)/services/[id]/client.tsx
index 3952d62..90ebf3e 100644
--- a/src/app/(marketing)/services/[id]/client.tsx
+++ b/src/app/(marketing)/services/[id]/client.tsx
@@ -3,6 +3,7 @@
 import { StaticLink } from '@/components/ui/static-link';
 import { Button } from '@/components/ui/button';
 import { PageNav } from '@/components/layout/page-nav';
+import { DetailSwipeNav } from '@/components/ui/detail-swipe-nav';
 import {
   CheckCircle2,
   TrendingUp,
@@ -73,6 +74,7 @@ export function ServiceDetailClient({ service }: ServiceDetailClientProps) {
 
   return (
     <div className="min-h-screen bg-[var(--color-bg-primary)]">
+      <DetailSwipeNav type="service" currentId={service.id} />
       <div className="pt-32 pb-16">
         <div className="container-wide">
           <PageNav items={[{ label: '服务', href: '/services' }, { label: service.title }]} />
diff --git a/src/app/(marketing)/services/page.tsx b/src/app/(marketing)/services/page.tsx
index a6bc49a..401556e 100644
--- a/src/app/(marketing)/services/page.tsx
+++ b/src/app/(marketing)/services/page.tsx
@@ -1,5 +1,6 @@
 'use client';
 
+import { useState, useEffect } from 'react';
 import { SERVICES } from '@/lib/constants';
 import { StaticLink } from '@/components/ui/static-link';
 import { Button } from '@/components/ui/button';
@@ -7,10 +8,17 @@ import { ArrowRight, ArrowUpRight } from 'lucide-react';
 import { motion } from 'framer-motion';
 import { useReducedMotion } from '@/hooks/use-reduced-motion';
 import { PageNav } from '@/components/layout/page-nav';
+import { LoadingState } from '@/components/ui/loading-state';
 
 export default function ServicesPage() {
   const shouldReduceMotion = useReducedMotion();
   const fadeUp = shouldReduceMotion ? {} : { initial: { opacity: 0, y: 20 } };
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    const timer = setTimeout(() => setIsLoading(false), 500);
+    return () => clearTimeout(timer);
+  }, []);
   return (
     <div className="min-h-screen bg-[var(--color-bg-primary)]">
       <section className="pt-32 pb-16">
@@ -35,45 +43,47 @@ export default function ServicesPage() {
 
       <section className="pb-20">
         <div className="container-wide">
-          <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
-            {SERVICES.map((service, index) => (
-              <motion.div
-                key={service.id}
-                {...fadeUp}
-                whileInView={shouldReduceMotion ? {} : { opacity: 1, y: 0 }}
-                viewport={{ once: true }}
-                transition={{ duration: 0.4, delay: index * 0.1, ease: [0.16, 1, 0.3, 1] }}
-              >
-                <StaticLink
-                  href={`/services/${service.id}`}
-                  className="group block p-6 rounded-xl border border-[var(--color-border-primary)] bg-[var(--color-bg-primary)] hover:border-[var(--color-brand-primary)]/40 hover:shadow-lg transition-all duration-300 h-full"
+          <LoadingState isLoading={isLoading} variant="card">
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
+              {SERVICES.map((service, index) => (
+                <motion.div
+                  key={service.id}
+                  {...fadeUp}
+                  whileInView={shouldReduceMotion ? {} : { opacity: 1, y: 0 }}
+                  viewport={{ once: true }}
+                  transition={{ duration: 0.4, delay: index * 0.1, ease: [0.16, 1, 0.3, 1] }}
                 >
-                  <div className="flex items-start justify-between mb-4">
-                    <span className="inline-flex items-center justify-center w-10 h-10 rounded-lg bg-[var(--color-brand-primary-bg)] text-[var(--color-brand-primary)] text-sm font-bold">
-                      {String(index + 1).padStart(2, '0')}
-                    </span>
-                    <ArrowUpRight className="w-5 h-5 text-[var(--color-text-muted)] group-hover:text-[var(--color-brand-primary)] transition-colors" />
-                  </div>
-                  <h3 className="text-lg font-semibold text-[var(--color-text-primary)] mb-2 group-hover:text-[var(--color-brand-primary)] transition-colors">
-                    {service.title}
-                  </h3>
-                  <p className="text-sm text-[var(--color-text-muted)] leading-relaxed mb-4">
-                    {service.description}
-                  </p>
-                  <div className="flex flex-wrap gap-1.5">
-                    {service.features.slice(0, 3).map((feature, idx) => (
-                      <span
-                        key={idx}
-                        className="inline-flex items-center text-xs px-2 py-1 bg-[var(--color-bg-tertiary)] text-[var(--color-text-muted)] rounded"
-                      >
-                        {feature.split('：')[0]}
+                  <StaticLink
+                    href={`/services/${service.id}`}
+                    className="group block p-6 rounded-xl border border-[var(--color-border-primary)] bg-[var(--color-bg-primary)] hover:border-[var(--color-brand-primary)]/40 hover:shadow-lg transition-all duration-300 h-full"
+                  >
+                    <div className="flex items-start justify-between mb-4">
+                      <span className="inline-flex items-center justify-center w-10 h-10 rounded-lg bg-[var(--color-brand-primary-bg)] text-[var(--color-brand-primary)] text-sm font-bold">
+                        {String(index + 1).padStart(2, '0')}
                       </span>
-                    ))}
-                  </div>
-                </StaticLink>
-              </motion.div>
-            ))}
-          </div>
+                      <ArrowUpRight className="w-5 h-5 text-[var(--color-text-muted)] group-hover:text-[var(--color-brand-primary)] transition-colors" />
+                    </div>
+                    <h3 className="text-lg font-semibold text-[var(--color-text-primary)] mb-2 group-hover:text-[var(--color-brand-primary)] transition-colors">
+                      {service.title}
+                    </h3>
+                    <p className="text-sm text-[var(--color-text-muted)] leading-relaxed mb-4">
+                      {service.description}
+                    </p>
+                    <div className="flex flex-wrap gap-1.5">
+                      {service.features.slice(0, 3).map((feature, idx) => (
+                        <span
+                          key={idx}
+                          className="inline-flex items-center text-xs px-2 py-1 bg-[var(--color-bg-tertiary)] text-[var(--color-text-muted)] rounded"
+                        >
+                          {feature.split('：')[0]}
+                        </span>
+                      ))}
+                    </div>
+                  </StaticLink>
+                </motion.div>
+              ))}
+            </div>
+          </LoadingState>
         </div>
       </section>
 
diff --git a/src/app/(marketing)/solutions/[id]/client.tsx b/src/app/(marketing)/solutions/[id]/client.tsx
index 8e98b89..00e6f97 100644
--- a/src/app/(marketing)/solutions/[id]/client.tsx
+++ b/src/app/(marketing)/solutions/[id]/client.tsx
@@ -58,8 +58,9 @@ export function SolutionDetailClient({ solution, relatedProducts }: SolutionDeta
               {solution.challenges.map((challenge, index) => (
                 <div
                   key={index}
-                  className="flex items-start gap-3 p-4 rounded-lg border-l-4 border-[var(--color-brand-primary)] bg-[var(--color-bg-section)]"
+                  className="flex items-start gap-3 p-4 rounded-lg bg-[var(--color-brand-primary-bg)]"
                 >
+                  <AlertTriangle className="w-4 h-4 text-[var(--color-brand-primary)] mt-0.5 shrink-0" />
                   <span className="text-[var(--color-text-primary)] text-sm">{challenge}</span>
                 </div>
               ))}
diff --git a/src/app/(marketing)/solutions/page.tsx b/src/app/(marketing)/solutions/page.tsx
index 5d2c442..95d0483 100644
--- a/src/app/(marketing)/solutions/page.tsx
+++ b/src/app/(marketing)/solutions/page.tsx
@@ -1,19 +1,21 @@
 'use client';
 
-import { motion } from 'framer-motion';
+import { useState } from 'react';
+import { motion, AnimatePresence } from 'framer-motion';
 import { useReducedMotion } from '@/hooks/use-reduced-motion';
 import { StaticLink } from '@/components/ui/static-link';
-import { ArrowRight, Lightbulb, Cpu, Users, CheckCircle2 } from 'lucide-react';
+import { ArrowRight, Lightbulb, Cpu, Users, CheckCircle2, ChevronDown } from 'lucide-react';
 import { MethodologySection } from '@/components/sections/methodology-section';
 import { CTASection } from '@/components/sections/cta-section';
 import { PageNav } from '@/components/layout/page-nav';
 import { BreadcrumbSchema } from '@/components/seo/structured-data';
+import { SwipeNavigation } from '@/hooks/use-swipe-gesture';
 
 const modules = [
   {
     icon: Lightbulb,
-    title: '数字化转型咨询 · 参谋伙伴',
-    subtitle: '帮您看清前路，迈对第一步',
+    title: '数字化转型咨询',
+    subtitle: '参谋伙伴 — 帮您看清前路，迈对第一步',
     paragraphs: [
       '数字化转型最大的成本，是走错方向的成本。',
       '我们用行业智慧帮您洞察趋势，用理性分析帮您避开陷阱。',
@@ -28,8 +30,8 @@ const modules = [
   },
   {
     icon: Cpu,
-    title: '信息技术解决方案 · 技术伙伴',
-    subtitle: '让技术真正为业务服务',
+    title: '信息技术解决方案',
+    subtitle: '技术伙伴 — 让技术真正为业务服务',
     paragraphs: [
       '我们不追逐"最火"的技术，只选择"最对"的技术。',
       '将前沿技术深度融入您的业务场景，让每一行代码都产生业务价值。',
@@ -44,8 +46,8 @@ const modules = [
   },
   {
     icon: Users,
-    title: '长期陪跑服务 · 同行伙伴',
-    subtitle: '从需求理解到产品落地，陪伴才是常态',
+    title: '长期陪跑服务',
+    subtitle: '同行伙伴 — 从需求到落地，持续陪伴',
     paragraphs: [
       '当产品真正为您所用那天，才是我们成为伙伴的开始。',
       '我们建立长效服务机制，定期回访、持续优化、随时响应。',
@@ -63,9 +65,28 @@ const modules = [
 export default function SolutionsPage() {
   const shouldReduceMotion = useReducedMotion();
   const fadeUp = shouldReduceMotion ? {} : { initial: { opacity: 0, y: 20 } };
+  const [expandedModules, setExpandedModules] = useState<Set<number>>(new Set([0]));
+
+  const toggleModule = (index: number) => {
+    setExpandedModules(prev => {
+      const next = new Set(prev);
+      if (next.has(index)) {
+        next.delete(index);
+      } else {
+        next.add(index);
+      }
+      return next;
+    });
+  };
   return (
     <div className="min-h-screen bg-[var(--color-bg-primary)]">
       <BreadcrumbSchema items={[{ name: '首页', href: '/' }, { name: '解决方案', href: '/solutions' }]} />
+      <SwipeNavigation
+        prevRoute="/products"
+        nextRoute="/services"
+        prevLabel="产品方案"
+        nextLabel="服务支持"
+      />
       <section className="pt-32 pb-16">
         <div className="container-wide">
           <PageNav items={[{ label: '解决方案' }]} />
@@ -99,7 +120,7 @@ export default function SolutionsPage() {
                 whileInView={shouldReduceMotion ? {} : { opacity: 1, y: 0 }}
                 viewport={{ once: true }}
                 transition={{ duration: 0.5, delay: index * 0.1 }}
-                className={`p-8 md:p-12 rounded-xl border border-[var(--color-border-primary)] border-l-4 ${module.accentBorder} bg-[var(--color-bg-primary)] hover:border-[var(--color-border-primary)] transition-colors`}
+                className={`p-8 md:p-12 rounded-xl border border-[var(--color-border-primary)] bg-[var(--color-bg-primary)] hover:border-[var(--color-border-primary)] transition-colors`}
               >
                 <div className="flex items-start gap-4 mb-6">
                   <div className="w-12 h-12 rounded-xl flex items-center justify-center shrink-0" style={{ backgroundColor: module.accentBg }}>
@@ -114,9 +135,29 @@ export default function SolutionsPage() {
                 </div>
 
                 <div className="space-y-4 mb-8">
-                  {module.paragraphs.map((p, i) => (
-                    <p key={i} className="text-[var(--color-text-primary)] leading-relaxed">{p}</p>
-                  ))}
+                  <button
+                    onClick={() => toggleModule(index)}
+                    className="flex items-center gap-2 text-sm font-medium text-[var(--color-brand-primary)] hover:text-[var(--color-brand-primary-hover)] transition-colors group"
+                    aria-expanded={expandedModules.has(index)}
+                  >
+                    <ChevronDown className={`w-4 h-4 transition-transform duration-200 ${expandedModules.has(index) ? 'rotate-180' : ''}`} />
+                    {expandedModules.has(index) ? '收起详情' : '展开了解详情'}
+                  </button>
+                  <AnimatePresence>
+                    {expandedModules.has(index) && (
+                      <motion.div
+                        initial={{ opacity: 0, height: 0 }}
+                        animate={{ opacity: 1, height: 'auto' }}
+                        exit={{ opacity: 0, height: 0 }}
+                        transition={{ duration: 0.3, ease: [0.16, 1, 0.3, 1] }}
+                        className="overflow-hidden"
+                      >
+                        {module.paragraphs.map((p, i) => (
+                          <p key={i} className="text-[var(--color-text-primary)] leading-relaxed mb-3 last:mb-0">{p}</p>
+                        ))}
+                      </motion.div>
+                    )}
+                  </AnimatePresence>
                 </div>
 
                 <div className="mb-8">
diff --git a/src/app/terms/page.tsx b/src/app/terms/page.tsx
index b815da0..2c2e1a1 100644
--- a/src/app/terms/page.tsx
+++ b/src/app/terms/page.tsx
@@ -169,9 +169,12 @@ export default function TermsOfServicePage() {
               </ul>
             </section>
 
-            <section className="bg-[var(--color-warning-bg)] p-6 rounded-lg border-l-4 border-[var(--color-brand-primary)]">
-              <p className="text-[var(--color-text-primary)] font-medium mb-2">最后更新日期</p>
-              <p className="text-[var(--color-text-muted)]">2026年2月26日</p>
+            <section className="bg-[var(--color-warning-bg)] p-6 rounded-lg">
+              <div className="flex items-center gap-2 mb-2">
+                <div className="w-2 h-2 bg-[var(--color-brand-primary)] rounded-full" />
+                <p className="text-[var(--color-text-primary)] font-medium">最后更新日期</p>
+              </div>
+              <p className="text-[var(--color-text-muted)] pl-4">2026年2月26日</p>
             </section>
           </div>
         </div>
diff --git a/src/app/test-error-tracking/page.tsx b/src/app/test-error-tracking/page.tsx
index 2ea3b3f..db3e204 100644
--- a/src/app/test-error-tracking/page.tsx
+++ b/src/app/test-error-tracking/page.tsx
@@ -15,7 +15,8 @@ export default function TestErrorTrackingPage() {
       addResult('🧪 测试 1: 触发 JavaScript 运行时错误...');
       throw new Error('测试错误：这是一个故意的 JavaScript 错误');
     } catch (error) {
-      trackError('javascript_error', error.message, false, {
+      const errorMessage = error instanceof Error ? error.message : String(error);
+      trackError('javascript_error', errorMessage, false, {
         test_id: 'test_js_error',
         filename: 'test-error-page.tsx',
         lineno: 20,
diff --git a/src/components/layout/header.tsx b/src/components/layout/header.tsx
index 144e4d0..2d1e42c 100644
--- a/src/components/layout/header.tsx
+++ b/src/components/layout/header.tsx
@@ -196,7 +196,7 @@ function HeaderContent() {
             className="fixed inset-0 z-40 md:hidden"
           >
             <div
-              className="absolute inset-0 bg-black/30 backdrop-blur-sm"
+              className="absolute inset-0 bg-[var(--color-primary)]/30 backdrop-blur-sm"
               onClick={() => setIsOpen(false)}
               aria-hidden="true"
             />
@@ -226,7 +226,7 @@ function HeaderContent() {
                         block px-4 py-4 text-base font-medium rounded-lg
                         transition-all duration-200
                         ${isActive(item)
-                          ? 'text-[var(--color-text-primary)] bg-[var(--color-primary-lighter)] border-l-4 border-[var(--color-brand-primary)]'
+                          ? 'text-[var(--color-text-primary)] bg-[var(--color-brand-primary-bg)]'
                           : 'text-[var(--color-text-secondary)] hover:text-[var(--color-text-primary)] hover:bg-[var(--color-primary-lighter)]'
                         }
                       `}
diff --git a/src/components/layout/mobile-menu.tsx b/src/components/layout/mobile-menu.tsx
index acf048f..bf1ef9b 100644
--- a/src/components/layout/mobile-menu.tsx
+++ b/src/components/layout/mobile-menu.tsx
@@ -61,7 +61,7 @@ export function MobileMenu({ className }: MobileMenuProps) {
       {isOpen && (
         <>
           <div
-            className="fixed inset-0 bg-black/20 backdrop-blur-sm z-40"
+            className="fixed inset-0 bg-[var(--color-primary)]/20 backdrop-blur-sm z-40"
             onClick={() => setIsOpen(false)}
             aria-hidden="true"
           />
diff --git a/src/components/ui/detail-swipe-nav.tsx b/src/components/ui/detail-swipe-nav.tsx
new file mode 100644
index 0000000..1e50abd
--- /dev/null
+++ b/src/components/ui/detail-swipe-nav.tsx
@@ -0,0 +1,41 @@
+'use client';
+
+import { PRODUCTS, SERVICES } from '@/lib/constants';
+import { SwipeNavigation } from '@/hooks/use-swipe-gesture';
+
+interface DetailSwipeNavProps {
+  type: 'product' | 'service' | 'solution';
+  currentId: string;
+  className?: string;
+}
+
+export function DetailSwipeNav({ type, currentId, className }: DetailSwipeNavProps) {
+  let items: { id: string; title: string }[] = [];
+  
+  if (type === 'product') {
+    items = PRODUCTS.map(p => ({ id: p.id, title: p.title }));
+  } else if (type === 'service') {
+    items = SERVICES.map(s => ({ id: s.id, title: s.title }));
+  } else {
+    return null;
+  }
+
+  const currentIndex = items.findIndex(item => item.id === currentId);
+  
+  if (currentIndex === -1) return null;
+
+  const prevItem = currentIndex > 0 ? items[currentIndex - 1] : null;
+  const nextItem = currentIndex < items.length - 1 ? items[currentIndex + 1] : null;
+
+  const basePath = type === 'product' ? '/products' : type === 'service' ? '/services' : `/solutions`;
+
+  return (
+    <SwipeNavigation
+      prevRoute={prevItem ? `${basePath}/${prevItem.id}` : undefined}
+      nextRoute={nextItem ? `${basePath}/${nextItem.id}` : undefined}
+      prevLabel={prevItem?.title || ''}
+      nextLabel={nextItem?.title || ''}
+      className={className}
+    />
+  );
+}
diff --git a/src/components/ui/input.tsx b/src/components/ui/input.tsx
index f67c338..d2e9080 100644
--- a/src/components/ui/input.tsx
+++ b/src/components/ui/input.tsx
@@ -2,7 +2,7 @@ import * as React from "react"
 import { cn } from "@/lib/utils"
 
 export interface InputProps extends React.InputHTMLAttributes<HTMLInputElement> {
-  label?: string
+  label?: string | React.ReactNode
   error?: string
   'data-testid'?: string
 }
diff --git a/src/components/ui/loading-state.tsx b/src/components/ui/loading-state.tsx
new file mode 100644
index 0000000..ee1d648
--- /dev/null
+++ b/src/components/ui/loading-state.tsx
@@ -0,0 +1,176 @@
+'use client';
+
+import { useState, useEffect, useRef, useCallback } from 'react';
+import { cn } from '@/lib/utils';
+import {
+  Skeleton,
+  SkeletonHero,
+  SkeletonList,
+  SkeletonCard,
+  SkeletonForm,
+} from './skeleton';
+
+type LoadingVariant = 'hero' | 'list' | 'card' | 'form' | 'custom' | 'spinner';
+
+interface LoadingStateProps {
+  isLoading: boolean;
+  children: React.ReactNode;
+  variant?: LoadingVariant;
+  listItems?: number;
+  formFields?: number;
+  className?: string;
+  delayMs?: number;
+  customSkeleton?: React.ReactNode;
+}
+
+export function LoadingState({
+  isLoading,
+  children,
+  variant = 'custom',
+  listItems = 3,
+  formFields = 4,
+  className,
+  delayMs = 150,
+  customSkeleton,
+}: LoadingStateProps) {
+  const [showSkeleton, setShowSkeleton] = useState(false);
+  const prevIsLoading = useRef(isLoading);
+
+  useEffect(() => {
+    if (isLoading !== prevIsLoading.current) {
+      prevIsLoading.current = isLoading;
+      
+      if (!isLoading) {
+        setShowSkeleton(false);
+        return;
+      }
+
+      const timer = setTimeout(() => setShowSkeleton(true), delayMs);
+      return () => clearTimeout(timer);
+    }
+    return undefined;
+  }, [isLoading, delayMs]);
+
+  if (isLoading && showSkeleton) {
+    return (
+      <div
+        className={cn('animate-in fade-in duration-300', className)}
+        role="status"
+        aria-label="内容加载中"
+        aria-busy="true"
+      >
+        {variant === 'hero' && <SkeletonHero />}
+        {variant === 'list' && <SkeletonList items={listItems} />}
+        {variant === 'card' && (
+          <div className="grid md:grid-cols-2 lg:grid-cols-3 gap-6">
+            {[1, 2, 3].map((i) => (
+              <SkeletonCard key={i} />
+            ))}
+          </div>
+        )}
+        {variant === 'form' && <SkeletonForm fields={formFields} />}
+        {variant === 'custom' && (customSkeleton || <Skeleton className="h-40 w-full rounded-lg" />)}
+        {variant === 'spinner' && (
+          <div className="flex items-center justify-center py-12">
+            <Spinner size="lg" />
+          </div>
+        )}
+      </div>
+    );
+  }
+
+  return <>{children}</>;
+}
+
+interface SpinnerProps {
+  size?: 'sm' | 'md' | 'lg';
+  className?: string;
+}
+
+export function Spinner({ size = 'md', className }: SpinnerProps) {
+  const sizeClasses = {
+    sm: 'w-4 h-4',
+    md: 'w-8 h-8',
+    lg: 'w-12 h-12',
+  };
+
+  return (
+    <svg
+      className={cn(
+        'animate-spin text-[var(--color-brand-primary)]',
+        sizeClasses[size],
+        className
+      )}
+      xmlns="http://www.w3.org/2000/svg"
+      fill="none"
+      viewBox="0 0 24 24"
+      role="status"
+      aria-label="加载中"
+    >
+      <circle
+        className="opacity-25"
+        cx="12"
+        cy="12"
+        r="10"
+        stroke="currentColor"
+        strokeWidth="4"
+      />
+      <path
+        className="opacity-75"
+        fill="currentColor"
+        d="m4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"
+      />
+    </svg>
+  );
+}
+
+interface PageLoaderProps {
+  isLoading: boolean;
+  message?: string;
+}
+
+export function PageLoader({ isLoading, message = '正在加载...' }: PageLoaderProps) {
+  if (!isLoading) return null;
+
+  return (
+    <div
+      className="fixed inset-0 z-50 flex items-center justify-center bg-[var(--color-bg-primary)]/80 backdrop-blur-sm"
+      role="alertdialog"
+      aria-modal="true"
+      aria-label={message}
+    >
+      <div className="text-center space-y-4">
+        <Spinner size="lg" className="mx-auto" />
+        <p className="text-sm text-[var(--color-text-muted)] animate-pulse">
+          {message}
+        </p>
+      </div>
+    </div>
+  );
+}
+
+export function useLoadingState(initialState = false, delayMs = 150) {
+  const [isLoading, setIsLoading] = useState(initialState);
+  const [shouldShow, setShouldShow] = useState(false);
+
+  useEffect(() => {
+    if (!isLoading) {
+      setShouldShow(false);
+      return;
+    }
+
+    const timer = setTimeout(() => setShouldShow(true), delayMs);
+    return () => clearTimeout(timer);
+  }, [isLoading, delayMs]);
+
+  const startLoading = useCallback(() => setIsLoading(true), []);
+  const stopLoading = useCallback(() => setIsLoading(false), []);
+
+  return {
+    isLoading,
+    shouldShow,
+    startLoading,
+    stopLoading,
+    setLoading: setIsLoading,
+  };
+}
diff --git a/src/components/ui/page-transition.tsx b/src/components/ui/page-transition.tsx
index 31029a9..80ebfcf 100644
--- a/src/components/ui/page-transition.tsx
+++ b/src/components/ui/page-transition.tsx
@@ -2,47 +2,112 @@
 
 import { motion, AnimatePresence } from 'framer-motion';
 import { usePathname } from 'next/navigation';
-import { ReactNode, useSyncExternalStore } from 'react';
 import { useReducedMotion } from '@/hooks/use-reduced-motion';
 
-interface PageTransitionProps {
-  children: ReactNode;
-}
-
-function useIsMounted() {
-  return useSyncExternalStore(
-    (callback) => {
-      window.addEventListener('resize', callback);
-      return () => window.removeEventListener('resize', callback);
+const pageVariants = {
+  initial: {
+    opacity: 0,
+    y: 8,
+    scale: 0.98,
+  },
+  animate: {
+    opacity: 1,
+    y: 0,
+    scale: 1,
+    transition: {
+      duration: 0.4,
+      ease: [0.25, 1, 0.5, 1] as const,
+      staggerChildren: 0.05,
     },
-    () => true,
-    () => false
-  );
-}
+  },
+  exit: {
+    opacity: 0,
+    y: -8,
+    scale: 0.98,
+    transition: {
+      duration: 0.2,
+      ease: [0.22, 1, 0.36, 1] as const,
+    },
+  },
+};
 
-export function PageTransition({ children }: PageTransitionProps) {
+export function PageTransition({ children }: { children: React.ReactNode }) {
   const pathname = usePathname();
   const shouldReduceMotion = useReducedMotion();
-  const mounted = useIsMounted();
 
-  if (shouldReduceMotion || !mounted) {
+  if (shouldReduceMotion) {
     return <>{children}</>;
   }
 
   return (
-    <AnimatePresence mode="wait">
+    <AnimatePresence mode="wait" initial={false}>
       <motion.div
         key={pathname}
-        initial={{ opacity: 0, y: 8 }}
-        animate={{ opacity: 1, y: 0 }}
-        exit={{ opacity: 0, y: -8 }}
-        transition={{
-          duration: 0.3,
-          ease: [0.16, 1, 0.3, 1],
+        variants={pageVariants}
+        initial="initial"
+        animate="animate"
+        exit="exit"
+        style={{
+          willChange: 'transform, opacity',
+          backfaceVisibility: 'hidden',
         }}
       >
         {children}
       </motion.div>
     </AnimatePresence>
   );
-}
\ No newline at end of file
+}
+
+const sectionVariants = {
+  hidden: { opacity: 0, y: 20 },
+  visible: (i: number) => ({
+    opacity: 1,
+    y: 0,
+    transition: {
+      delay: i * 0.08,
+      duration: 0.5,
+      ease: [0.25, 1, 0.5, 1] as const,
+    },
+  }),
+};
+
+export function StaggerChildren({ 
+  children, 
+  className = '',
+  staggerCount = 4 
+}: { 
+  children: React.ReactNode;
+  className?: string;
+  staggerCount?: number;
+}) {
+  const shouldReduceMotion = useReducedMotion();
+
+  if (shouldReduceMotion) {
+    return <div className={className}>{children}</div>;
+  }
+
+  return (
+    <motion.div
+      className={className}
+      initial="hidden"
+      animate="visible"
+      variants={{
+        visible: {
+          transition: {
+            staggerChildren: 0.06,
+            delayChildren: 0.1,
+          },
+        },
+      }}
+    >
+      {Array.isArray(children)
+        ? children.map((child, i) => (
+            <motion.div key={i} custom={Math.min(i, staggerCount)} variants={sectionVariants}>
+              {child}
+            </motion.div>
+          ))
+        : children
+      }
+    </motion.div>
+  );
+}
diff --git a/src/components/ui/skeleton.tsx b/src/components/ui/skeleton.tsx
new file mode 100644
index 0000000..978cf1c
--- /dev/null
+++ b/src/components/ui/skeleton.tsx
@@ -0,0 +1,180 @@
+import { cn } from '@/lib/utils';
+
+interface SkeletonProps {
+  className?: string;
+  variant?: 'default' | 'circular' | 'rounded';
+}
+
+export function Skeleton({ className, variant = 'default' }: SkeletonProps) {
+  return (
+    <div
+      className={cn(
+        'animate-pulse bg-[var(--color-bg-section)]',
+        variant === 'circular' && 'rounded-full',
+        variant === 'rounded' && 'rounded-lg',
+        variant === 'default' && 'rounded',
+        className
+      )}
+      aria-hidden="true"
+      role="presentation"
+    />
+  );
+}
+
+interface SkeletonTextProps {
+  lines?: number;
+  className?: string;
+  lastLineWidth?: string;
+}
+
+export function SkeletonText({ 
+  lines = 3, 
+  className,
+  lastLineWidth = '75%' 
+}: SkeletonTextProps) {
+  return (
+    <div className={cn('space-y-3', className)} aria-hidden="true" role="presentation">
+      {Array.from({ length: lines }).map((_, i) => (
+        <Skeleton
+          key={i}
+          className={cn(
+            'h-4',
+            i === lines - 1 ? `w-[${lastLineWidth}]` : 'w-full'
+          )}
+        />
+      ))}
+    </div>
+  );
+}
+
+interface SkeletonCardProps {
+  className?: string;
+  showImage?: boolean;
+  showTitle?: boolean;
+  showDescription?: boolean;
+  showFooter?: boolean;
+}
+
+export function SkeletonCard({
+  className,
+  showImage = true,
+  showTitle = true,
+  showDescription = true,
+  showFooter = false,
+}: SkeletonCardProps) {
+  return (
+    <div
+      className={cn(
+        'p-6 rounded-xl border border-[var(--color-border-primary)] bg-[var(--color-bg-primary)]',
+        className
+      )}
+      role="status"
+      aria-label="加载中"
+      aria-busy="true"
+    >
+      {showImage && (
+        <Skeleton className="h-40 w-full rounded-lg mb-4" />
+      )}
+
+      {showTitle && (
+        <Skeleton className="h-6 w-3/4 mb-3" />
+      )}
+
+      {showDescription && (
+        <SkeletonText lines={2} lastLineWidth="90%" />
+      )}
+
+      {showFooter && (
+        <div className="flex gap-2 mt-4">
+          <Skeleton className="h-10 w-24 rounded-lg" />
+          <Skeleton className="h-10 w-20 rounded-lg" />
+        </div>
+      )}
+    </div>
+  );
+}
+
+interface SkeletonListProps {
+  items?: number;
+  className?: string;
+  variant?: 'card' | 'list' | 'compact';
+}
+
+export function SkeletonList({
+  items = 3,
+  className,
+  variant = 'card',
+}: SkeletonListProps) {
+  return (
+    <div className={cn('space-y-4', className)} role="status" aria-label="内容列表加载中">
+      {Array.from({ length: items }).map((_, i) => (
+        <div key={i}>
+          {variant === 'card' && <SkeletonCard />}
+          {variant === 'list' && (
+            <div className="flex items-center gap-4 p-4">
+              <Skeleton className="w-12 h-12 rounded-lg shrink-0" />
+              <div className="flex-1 space-y-2">
+                <Skeleton className="h-5 w-1/2" />
+                <Skeleton className="h-4 w-full" />
+              </div>
+              <Skeleton className="w-16 h-8 rounded-lg shrink-0" />
+            </div>
+          )}
+          {variant === 'compact' && (
+            <div className="flex items-center justify-between p-3">
+              <div className="flex items-center gap-3 flex-1">
+                <Skeleton className="w-8 h-8 rounded shrink-0" />
+                <Skeleton className="h-4 w-32" />
+              </div>
+              <Skeleton className="h-2 w-12 rounded-full" />
+            </div>
+          )}
+        </div>
+      ))}
+    </div>
+  );
+}
+
+interface SkeletonHeroProps {
+  className?: string;
+}
+
+export function SkeletonHero({ className }: SkeletonHeroProps) {
+  return (
+    <div
+      className={cn('pt-32 pb-16', className)}
+      role="status"
+      aria-label="页面标题加载中"
+      aria-busy="true"
+    >
+      <div className="container-wide max-w-3xl space-y-6">
+        <Skeleton className="h-4 w-24" />
+        <Skeleton className="h-12 md:h-14 w-full max-w-2xl" />
+        <Skeleton className="h-6 w-full max-w-xl" />
+        <div className="flex gap-3 pt-4">
+          <Skeleton className="h-12 w-36 rounded-lg" />
+          <Skeleton className="h-12 w-28 rounded-lg" />
+        </div>
+      </div>
+    </div>
+  );
+}
+
+interface SkeletonFormProps {
+  fields?: number;
+  className?: string;
+}
+
+export function SkeletonForm({ fields = 4, className }: SkeletonFormProps) {
+  return (
+    <div className={cn('space-y-6 max-w-2xl', className)} role="status" aria-label="表单加载中">
+      {Array.from({ length: fields }).map((_, i) => (
+        <div key={i} className="space-y-2">
+          <Skeleton className="h-4 w-20" />
+          <Skeleton className="h-14 w-full rounded-lg" />
+        </div>
+      ))}
+      <Skeleton className="h-14 w-full rounded-lg mt-8" />
+    </div>
+  );
+}
diff --git a/src/components/ui/tooltip.tsx b/src/components/ui/tooltip.tsx
new file mode 100644
index 0000000..52a39d1
--- /dev/null
+++ b/src/components/ui/tooltip.tsx
@@ -0,0 +1,105 @@
+'use client';
+
+import { useState, useRef, useEffect } from 'react';
+import { cn } from '@/lib/utils';
+
+interface TooltipProps {
+  content: string;
+  children: React.ReactNode;
+  side?: 'top' | 'right' | 'bottom' | 'left';
+  className?: string;
+}
+
+export function Tooltip({ content, children, side = 'top', className }: TooltipProps) {
+  const [isVisible, setIsVisible] = useState(false);
+  const [position, setPosition] = useState({ top: 0, left: 0 });
+  const triggerRef = useRef<HTMLDivElement>(null);
+  const tooltipRef = useRef<HTMLDivElement>(null);
+
+  const showTooltip = () => {
+    if (!triggerRef.current || !tooltipRef.current) return;
+
+    const triggerRect = triggerRef.current.getBoundingClientRect();
+    const tooltipRect = tooltipRef.current.getBoundingClientRect();
+
+    let top = 0;
+    let left = 0;
+
+    switch (side) {
+      case 'top':
+        top = triggerRect.top - tooltipRect.height - 8;
+        left = triggerRect.left + (triggerRect.width - tooltipRect.width) / 2;
+        break;
+      case 'bottom':
+        top = triggerRect.bottom + 8;
+        left = triggerRect.left + (triggerRect.width - tooltipRect.width) / 2;
+        break;
+      case 'left':
+        top = triggerRect.top + (triggerRect.height - tooltipRect.height) / 2;
+        left = triggerRect.left - tooltipRect.width - 8;
+        break;
+      case 'right':
+        top = triggerRect.top + (triggerRect.height - tooltipRect.height) / 2;
+        left = triggerRect.right + 8;
+        break;
+    }
+
+    setPosition({ top, left });
+    setIsVisible(true);
+  };
+
+  const hideTooltip = () => {
+    setIsVisible(false);
+  };
+
+  useEffect(() => {
+    if (!isVisible) return;
+
+    const handleEscape = (e: KeyboardEvent) => {
+      if (e.key === 'Escape') hideTooltip();
+    };
+
+    document.addEventListener('keydown', handleEscape);
+    return () => document.removeEventListener('keydown', handleEscape);
+  }, [isVisible]);
+
+  return (
+    <div
+      ref={triggerRef}
+      className="relative inline-flex"
+      onMouseEnter={showTooltip}
+      onMouseLeave={hideTooltip}
+      onFocus={showTooltip}
+      onBlur={hideTooltip}
+    >
+      {children}
+      {isVisible && (
+        <div
+          ref={tooltipRef}
+          role="tooltip"
+          className={cn(
+            'fixed z-50 px-3 py-2 text-sm rounded-lg bg-[var(--color-primary)] text-white shadow-lg',
+            'pointer-events-none animate-in fade-in-0 zoom-in-95 duration-200',
+            'max-w-xs',
+            className
+          )}
+          style={{
+            top: `${position.top}px`,
+            left: `${position.left}px`,
+          }}
+        >
+          {content}
+          <div
+            className={cn(
+              'absolute w-2 h-2 bg-[var(--color-primary)] rotate-45',
+              side === 'top' && 'bottom-[-4px] left-1/2 -translate-x-1/2',
+              side === 'bottom' && 'top-[-4px] left-1/2 -translate-x-1/2',
+              side === 'left' && 'right-[-4px] top-1/2 -translate-y-1/2',
+              side === 'right' && 'left-[-4px] top-1/2 -translate-y-1/2'
+            )}
+          />
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/src/hooks/use-keyboard-shortcuts.ts b/src/hooks/use-keyboard-shortcuts.ts
new file mode 100644
index 0000000..04acbbe
--- /dev/null
+++ b/src/hooks/use-keyboard-shortcuts.ts
@@ -0,0 +1,45 @@
+'use client';
+
+import { useEffect, useCallback } from 'react';
+
+interface KeyboardShortcutsProps {
+  onSearch?: () => void;
+  onNavigateHome?: () => void;
+  onSkipToContent?: () => void;
+}
+
+export function useKeyboardShortcuts({
+  onSearch,
+  onNavigateHome,
+  onSkipToContent,
+}: KeyboardShortcutsProps = {}) {
+  const handleKeyDown = useCallback((event: KeyboardEvent) => {
+    if (event.target instanceof HTMLInputElement ||
+        event.target instanceof HTMLTextAreaElement ||
+        event.target instanceof HTMLSelectElement) {
+      return;
+    }
+
+    const isModKey = event.metaKey || event.ctrlKey;
+
+    switch (true) {
+      case isModKey && event.key === 'k':
+        event.preventDefault();
+        onSearch?.();
+        break;
+      case event.altKey && event.key === 'h':
+        event.preventDefault();
+        onNavigateHome?.();
+        break;
+      case event.key === 'Tab' && !event.shiftKey && (document.activeElement?.getAttribute('data-skip-to-content') === 'true' || document.activeElement?.getAttribute('data-skip-to-content')):
+        event.preventDefault();
+        onSkipToContent?.();
+        break;
+    }
+  }, [onSearch, onNavigateHome, onSkipToContent]);
+
+  useEffect(() => {
+    document.addEventListener('keydown', handleKeyDown);
+    return () => document.removeEventListener('keydown', handleKeyDown);
+  }, [handleKeyDown]);
+}
diff --git a/src/hooks/use-swipe-gesture.tsx b/src/hooks/use-swipe-gesture.tsx
new file mode 100644
index 0000000..f4a959f
--- /dev/null
+++ b/src/hooks/use-swipe-gesture.tsx
@@ -0,0 +1,357 @@
+'use client';
+
+import { useRef, useCallback, useEffect, useState } from 'react';
+import { useRouter } from 'next/navigation';
+import { motion, AnimatePresence } from 'framer-motion';
+import { ArrowLeft, ArrowRight } from 'lucide-react';
+import { cn } from '@/lib/utils';
+
+interface SwipeGestureOptions {
+  threshold?: number;
+  edgeSize?: number;
+  enabled?: boolean;
+  onSwipeLeft?: () => void;
+  onSwipeRight?: () => void;
+}
+
+interface SwipeState {
+  isSwiping: boolean;
+  startX: number;
+  currentX: number;
+  progress: number;
+  direction: 'left' | 'right' | null;
+}
+
+export function useSwipeGesture(options: SwipeGestureOptions = {}) {
+  const {
+    edgeSize = 30,
+    enabled = true,
+    onSwipeLeft,
+    onSwipeRight,
+  } = options;
+
+  const swipeState = useRef<SwipeState>({
+    isSwiping: false,
+    startX: 0,
+    currentX: 0,
+    progress: 0,
+    direction: null,
+  });
+
+  const containerRef = useRef<HTMLDivElement>(null);
+
+  const handleTouchStart = useCallback((e: Event) => {
+    if (!enabled) return;
+    
+    const touchEvent = e as TouchEvent;
+    const touch = touchEvent.touches?.[0];
+    if (!touch) return;
+    
+    const x = touch.clientX;
+
+    if (x > window.innerWidth - edgeSize || x < edgeSize) {
+      swipeState.current = {
+        isSwiping: true,
+        startX: x,
+        currentX: x,
+        progress: 0,
+        direction: null,
+      };
+    }
+  }, [enabled, edgeSize]);
+
+  const handleTouchMove = useCallback((e: Event) => {
+    if (!swipeState.current.isSwiping) return;
+
+    e.preventDefault();
+    const touchEvent = e as TouchEvent;
+    const touch = touchEvent.touches?.[0];
+    if (!touch) return;
+    
+    swipeState.current.currentX = touch.clientX;
+    const deltaX = swipeState.current.currentX - swipeState.current.startX;
+    const absDeltaX = Math.abs(deltaX);
+    
+    if (absDeltaX > 10) {
+      swipeState.current.direction = deltaX > 0 ? 'right' : 'left';
+      swipeState.current.progress = Math.min(absDeltaX / (window.innerWidth * 0.35), 1);
+    }
+  }, []);
+
+  const handleTouchEnd = useCallback(() => {
+    if (!swipeState.current.isSwiping) return;
+
+    const { progress, direction } = swipeState.current;
+
+    if (progress > 0.3 && direction) {
+      if (direction === 'left') {
+        triggerHaptic('light');
+        onSwipeLeft?.();
+      } else {
+        triggerHaptic('light');
+        onSwipeRight?.();
+      }
+    }
+
+    swipeState.current = {
+      isSwiping: false,
+      startX: 0,
+      currentX: 0,
+      progress: 0,
+      direction: null,
+    };
+  }, [onSwipeLeft, onSwipeRight]);
+
+  useEffect(() => {
+    const element = containerRef.current || document;
+    
+    element.addEventListener('touchstart', handleTouchStart, { passive: true });
+    element.addEventListener('touchmove', handleTouchMove, { passive: false });
+    element.addEventListener('touchend', handleTouchEnd, { passive: true });
+
+    return () => {
+      element.removeEventListener('touchstart', handleTouchStart);
+      element.removeEventListener('touchmove', handleTouchMove);
+      element.removeEventListener('touchend', handleTouchEnd);
+    };
+  }, [handleTouchStart, handleTouchMove, handleTouchEnd]);
+
+  return { containerRef, swipeState };
+}
+
+function triggerHaptic(style: 'light' | 'medium' | 'heavy' = 'light') {
+  if ('vibrate' in navigator) {
+    switch (style) {
+      case 'light':
+        navigator.vibrate(10);
+        break;
+      case 'medium':
+        navigator.vibrate(25);
+        break;
+      case 'heavy':
+        navigator.vibrate(50);
+        break;
+    }
+  }
+}
+
+interface SwipeNavigationProps {
+  prevRoute?: string;
+  nextRoute?: string;
+  prevLabel?: string;
+  nextLabel?: string;
+  className?: string;
+}
+
+export function SwipeNavigation({
+  prevRoute,
+  nextRoute,
+  prevLabel = '上一页',
+  nextLabel = '下一页',
+  className,
+}: SwipeNavigationProps) {
+  const router = useRouter();
+  const [swipeHint, setSwipeHint] = useState<'prev' | 'next' | null>(null);
+  const [showHint, setShowHint] = useState(false);
+
+  const { containerRef } = useSwipeGesture({
+    onSwipeLeft: () => {
+      if (nextRoute) {
+        setSwipeHint('next');
+        setTimeout(() => router.push(nextRoute), 200);
+      }
+    },
+    onSwipeRight: () => {
+      if (prevRoute) {
+        setSwipeHint('prev');
+        setTimeout(() => router.push(prevRoute), 200);
+      }
+    },
+  });
+
+  useEffect(() => {
+    const hasVisited = sessionStorage.getItem('swipe-hint-shown');
+    if (!hasVisited && (prevRoute || nextRoute)) {
+      const timer = setTimeout(() => setShowHint(true), 1500);
+      sessionStorage.setItem('swipe-hint-shown', 'true');
+      return () => clearTimeout(timer);
+    }
+    return undefined;
+  }, [prevRoute, nextRoute]);
+
+  useEffect(() => {
+    if (showHint) {
+      const timer = setTimeout(() => setShowHint(false), 3000);
+      return () => clearTimeout(timer);
+    }
+    return undefined;
+  }, [showHint]);
+
+  return (
+    <>
+      <div ref={containerRef as React.RefObject<HTMLDivElement>} className={cn(className)} />
+      
+      <AnimatePresence>
+        {swipeHint && (
+          <motion.div
+            initial={{ opacity: 0, y: 20 }}
+            animate={{ opacity: 1, y: 0 }}
+            exit={{ opacity: 0, y: 20 }}
+            className={cn(
+              'fixed bottom-24 left-1/2 -translate-x-1/2 z-50',
+              'px-4 py-2 rounded-full shadow-lg backdrop-blur-md',
+              'bg-[var(--color-primary)] text-white text-sm font-medium',
+              'flex items-center gap-2 pointer-events-none'
+            )}
+          >
+            {swipeHint === 'prev' ? (
+              <>
+                <ArrowLeft className="w-4 h-4" />
+                <span>{prevLabel}</span>
+              </>
+            ) : (
+              <>
+                <span>{nextLabel}</span>
+                <ArrowRight className="w-4 h-4" />
+              </>
+            )}
+          </motion.div>
+        )}
+      </AnimatePresence>
+
+      <AnimatePresence>
+        {showHint && (
+          <motion.div
+            initial={{ opacity: 0, scale: 0.9 }}
+            animate={{ opacity: 1, scale: 1 }}
+            exit={{ opacity: 0, scale: 0.9 }}
+            className="fixed bottom-32 left-1/2 -translate-x-1/2 z-40"
+          >
+            <div className="bg-[var(--color-bg-primary)] border border-[var(--color-border-primary)] rounded-xl px-4 py-3 shadow-lg">
+              <p className="text-xs text-[var(--color-text-muted)] mb-1">提示</p>
+              <p className="text-sm text-[var(--color-text-primary)]">
+                尝试左右滑动屏幕切换页面
+              </p>
+              <div className="flex items-center justify-center gap-4 mt-2">
+                {prevRoute && (
+                  <div className="flex items-center gap-1 text-[var(--color-brand-primary)]">
+                    <ArrowLeft className="w-3 h-3" />
+                    <span className="text-xs">{prevLabel}</span>
+                  </div>
+                )}
+                {nextRoute && (
+                  <div className="flex items-center gap-1 text-[var(--color-brand-primary)]">
+                    <span className="text-xs">{nextLabel}</span>
+                    <ArrowRight className="w-3 h-3" />
+                  </div>
+                )}
+              </div>
+            </div>
+          </motion.div>
+        )}
+      </AnimatePresence>
+
+      {(prevRoute || nextRoute) && (
+        <div className="fixed bottom-6 right-6 md:hidden z-30">
+          <div className="flex flex-col items-center gap-1 opacity-50">
+            <div className="w-8 h-0.5 bg-[var(--color-text-subtle)] rounded-full" />
+            <div className="w-6 h-0.5 bg-[var(--color-text-subtle)] rounded-full" />
+            <div className="w-4 h-0.5 bg-[var(--color-text-subtle)] rounded-full" />
+          </div>
+        </div>
+      )}
+    </>
+  );
+}
+
+interface PullToRefreshProps {
+  onRefresh: () => Promise<void>;
+  children: React.ReactNode;
+  className?: string;
+}
+
+export function PullToRefresh({ onRefresh, children, className }: PullToRefreshProps) {
+  const [pullDistance, setPullDistance] = useState(0);
+  const [isRefreshing, setIsRefreshing] = useState(false);
+  const startY = useRef(0);
+  const isPulling = useRef(false);
+
+  const handleTouchStart = (e: React.TouchEvent) => {
+    if (window.scrollY === 0 && e.touches?.[0]) {
+      startY.current = e.touches[0].clientY;
+      isPulling.current = true;
+    }
+  };
+
+  const handleTouchMove = (e: React.TouchEvent) => {
+    if (!isPulling.current || isRefreshing) return;
+
+    const touch = e.touches?.[0];
+    if (!touch) return;
+    
+    const currentY = touch.clientY;
+    const distance = Math.max(0, (currentY - startY.current) * 0.5);
+
+    if (distance > 0 && window.scrollY === 0) {
+      e.preventDefault();
+      setPullDistance(Math.min(distance, 100));
+    }
+  };
+
+  const handleTouchEnd = async () => {
+    if (!isPulling.current) return;
+    isPulling.current = false;
+
+    if (pullDistance > 60 && !isRefreshing) {
+      setIsRefreshing(true);
+      triggerHaptic('medium');
+      
+      try {
+        await onRefresh();
+      } finally {
+        setIsRefreshing(false);
+      }
+    }
+
+    setPullDistance(0);
+  };
+
+  return (
+    <div
+      className={cn('relative', className)}
+      onTouchStart={handleTouchStart}
+      onTouchMove={handleTouchMove}
+      onTouchEnd={handleTouchEnd}
+    >
+      <div
+        className="absolute top-0 left-0 right-0 flex items-center justify-center overflow-hidden transition-transform"
+        style={{
+          height: `${Math.max(0, pullDistance)}px`,
+          transform: `translateY(${-pullDistance + (isRefreshing ? 50 : 0)}px)`,
+        }}
+      >
+        <motion.div
+          animate={{ rotate: isRefreshing ? 360 : pullDistance > 60 ? 180 : 0 }}
+          transition={{ duration: 0.3 }}
+        >
+          <svg
+            className={cn(
+              'w-6 h-6 transition-colors',
+              pullDistance > 60
+                ? 'text-[var(--color-brand-primary)]'
+                : 'text-[var(--color-text-subtle)]'
+            )}
+            fill="none"
+            viewBox="0 0 24 24"
+            stroke="currentColor"
+            strokeWidth={2}
+          >
+            <path strokeLinecap="round" strokeLinejoin="round" d="M4 4v5h.582m15.036 0A8.938 8.938 0 0112 21a8.938 8.938 0 01-7.97-4.94M20 9H19.418m0 0A8.938 8.938 0 0012 3a8.938 8.938 0 00-7.97 4.94" />
+          </svg>
+        </motion.div>
+      </div>
+
+      {children}
+    </div>
+  );
+}