diff --git a/public/assets/screenshots/.gitkeep b/public/assets/screenshots/.gitkeep
new file mode 100644
index 0000000..43e4375
--- /dev/null
+++ b/public/assets/screenshots/.gitkeep
@@ -0,0 +1 @@
+# This file ensures the directory is tracked by the system.
diff --git a/public/assets/screenshots/01.jpg b/public/assets/screenshots/01.jpg
new file mode 100644
index 0000000..745a81b
Binary files /dev/null and b/public/assets/screenshots/01.jpg differ
diff --git a/public/assets/screenshots/02.jpg b/public/assets/screenshots/02.jpg
new file mode 100644
index 0000000..32c7a92
Binary files /dev/null and b/public/assets/screenshots/02.jpg differ
diff --git a/public/assets/screenshots/03.jpg b/public/assets/screenshots/03.jpg
new file mode 100644
index 0000000..e6d370a
Binary files /dev/null and b/public/assets/screenshots/03.jpg differ
diff --git a/public/assets/screenshots/04.png b/public/assets/screenshots/04.png
new file mode 100644
index 0000000..779cc85
Binary files /dev/null and b/public/assets/screenshots/04.png differ
diff --git a/public/assets/screenshots/05.png b/public/assets/screenshots/05.png
new file mode 100644
index 0000000..29c2fe6
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diff --git a/public/assets/screenshots/06.png b/public/assets/screenshots/06.png
new file mode 100644
index 0000000..2fa5a6d
Binary files /dev/null and b/public/assets/screenshots/06.png differ
diff --git a/public/assets/screenshots/07.png b/public/assets/screenshots/07.png
new file mode 100644
index 0000000..b3a45f3
Binary files /dev/null and b/public/assets/screenshots/07.png differ
diff --git a/public/assets/screenshots/08.png b/public/assets/screenshots/08.png
new file mode 100644
index 0000000..33e057d
Binary files /dev/null and b/public/assets/screenshots/08.png differ
diff --git a/public/assets/screenshots/09.png b/public/assets/screenshots/09.png
new file mode 100644
index 0000000..de7b775
Binary files /dev/null and b/public/assets/screenshots/09.png differ
diff --git a/public/assets/screenshots/README.md b/public/assets/screenshots/README.md
new file mode 100644
index 0000000..c7c0094
--- /dev/null
+++ b/public/assets/screenshots/README.md
@@ -0,0 +1,6 @@
+# 系统截图存放目录
+
+请将您的系统截图上传到此目录下。
+上传后，请确保文件名与代码中的引用一致（例如：`dashboard.png`, `asset-list.png` 等）。
+
+目前代码中预设的路径为：`/assets/screenshots/文件名.png`
diff --git a/public/assets/screenshots/logo.png b/public/assets/screenshots/logo.png
new file mode 100644
index 0000000..c28e819
Binary files /dev/null and b/public/assets/screenshots/logo.png differ
diff --git a/src/App.tsx b/src/App.tsx
index 5bb1664..7b0d0d9 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -22,7 +22,7 @@ import {
   CheckCircle2,
   Zap
 } from 'lucide-react';
-import { motion, AnimatePresence } from 'motion/react';
+import { motion } from 'motion/react';
 import { clsx, type ClassValue } from 'clsx';
 import { twMerge } from 'tailwind-merge';
 
@@ -32,9 +32,8 @@ function cn(...inputs: ClassValue[]) {
 
 // --- Components ---
 
-const Navbar = ({ activeTab, setActiveTab }: { activeTab: string, setActiveTab: (tab: string) => void }) => {
+const Navbar = () => {
   const [isScrolled, setIsScrolled] = useState(false);
-  const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false);
 
   useEffect(() => {
     const handleScroll = () => setIsScrolled(window.scrollY > 20);
@@ -42,119 +41,93 @@ const Navbar = ({ activeTab, setActiveTab }: { activeTab: string, setActiveTab:
     return () => window.removeEventListener('scroll', handleScroll);
   }, []);
 
-  const tabs = [
-    { id: 'asset', label: '资产管理系统' },
-    { id: 'rental', label: '车辆租赁系统' },
-  ];
-
   return (
     <nav className={cn(
       "fixed top-0 left-0 right-0 z-50 transition-all duration-300 border-b",
       isScrolled ? "bg-white/80 backdrop-blur-md py-3 border-slate-200" : "bg-transparent py-5 border-transparent"
     )}>
-      <div className="max-w-7xl mx-auto px-6 flex items-center justify-between">
-        <div className="flex items-center gap-2">
-          <div className="w-10 h-10 bg-blue-600 rounded-lg flex items-center justify-center text-white font-bold text-xl">1</div>
-          <span className="text-xl font-bold tracking-tight text-slate-900">OneOS <span className="text-blue-600">Solutions</span></span>
+      <div className="max-w-7xl mx-auto px-6 flex items-center justify-between relative h-16 md:h-20">
+        {/* Left: Logo */}
+        <div className="flex items-center">
+          <div className="h-10 md:h-12 flex items-center justify-center overflow-hidden">
+            <img src="/assets/screenshots/logo.png" alt="Logo" className="h-full w-auto object-contain" referrerPolicy="no-referrer" />
+          </div>
+        </div>
+        
+        {/* Center: Title */}
+        <div className="absolute left-1/2 -translate-x-1/2 flex items-center whitespace-nowrap">
+          <span className="text-xl md:text-2xl font-bold tracking-tight text-slate-900">OneOS <span className="text-brand">Solutions</span></span>
         </div>
 
-        {/* Desktop Tabs */}
-        <div className="hidden md:flex items-center gap-1 bg-slate-100 p-1 rounded-full">
-          {tabs.map((tab) => (
-            <button
-              key={tab.id}
-              onClick={() => setActiveTab(tab.id)}
-              className={cn(
-                "px-6 py-2 rounded-full text-sm font-medium transition-all",
-                activeTab === tab.id 
-                  ? "bg-white text-blue-600 shadow-sm" 
-                  : "text-slate-600 hover:text-slate-900"
-              )}
-            >
-              {tab.label}
-            </button>
-          ))}
-        </div>
-
-        <div className="hidden md:block">
-          <button className="bg-slate-900 text-white px-5 py-2.5 rounded-full text-sm font-medium hover:bg-slate-800 transition-colors">
-            联系我们
-          </button>
-        </div>
-
-        {/* Mobile Menu Toggle */}
-        <button className="md:hidden p-2" onClick={() => setIsMobileMenuOpen(!isMobileMenuOpen)}>
-          {isMobileMenuOpen ? <X /> : <Menu />}
-        </button>
+        {/* Right: Spacer to maintain layout if needed, but not strictly necessary with absolute center */}
+        <div className="hidden md:block w-12" />
       </div>
-
-      {/* Mobile Menu */}
-      <AnimatePresence>
-        {isMobileMenuOpen && (
-          <motion.div
-            initial={{ opacity: 0, y: -20 }}
-            animate={{ opacity: 1, y: 0 }}
-            exit={{ opacity: 0, y: -20 }}
-            className="absolute top-full left-0 right-0 bg-white border-b border-slate-200 p-6 md:hidden shadow-xl"
-          >
-            <div className="flex flex-col gap-4">
-              {tabs.map((tab) => (
-                <button
-                  key={tab.id}
-                  onClick={() => {
-                    setActiveTab(tab.id);
-                    setIsMobileMenuOpen(false);
-                  }}
-                  className={cn(
-                    "text-left py-3 px-4 rounded-xl text-lg font-medium",
-                    activeTab === tab.id ? "bg-blue-50 text-blue-600" : "text-slate-600"
-                  )}
-                >
-                  {tab.label}
-                </button>
-              ))}
-              <hr className="border-slate-100" />
-              <button className="bg-blue-600 text-white py-4 rounded-xl font-bold">
-                立即咨询
-              </button>
-            </div>
-          </motion.div>
-        )}
-      </AnimatePresence>
     </nav>
   );
 };
 
 const Hero = ({ title, subtitle, badge }: { title: string, subtitle: string, badge: string }) => (
   <section className="relative pt-32 pb-20 md:pt-48 md:pb-32 overflow-hidden">
-    <div className="absolute top-0 left-1/2 -translate-x-1/2 w-full h-full -z-10 opacity-30">
-      <div className="absolute top-[-10%] left-[-10%] w-[40%] h-[40%] bg-blue-400 rounded-full blur-[120px]" />
-      <div className="absolute bottom-[-10%] right-[-10%] w-[40%] h-[40%] bg-indigo-400 rounded-full blur-[120px]" />
+    {/* Premium Mesh Gradient Background */}
+    <div className="absolute inset-0 -z-10">
+      {/* Base Layer - Very subtle green tint */}
+      <div className="absolute inset-0 bg-emerald-50/20" />
+      
+      {/* Mesh Blobs - Slightly more vibrant but still soft */}
+      <div className="absolute top-[-10%] left-[-10%] w-[70%] h-[70%] bg-emerald-200/40 rounded-full blur-[120px] animate-pulse" style={{ animationDuration: '10s' }} />
+      <div className="absolute bottom-[-10%] right-[-10%] w-[70%] h-[70%] bg-teal-200/40 rounded-full blur-[120px] animate-pulse" style={{ animationDuration: '15s' }} />
+      <div className="absolute top-[20%] right-[10%] w-[50%] h-[50%] bg-emerald-100/30 rounded-full blur-[100px]" />
+      
+      {/* Subtle overall gradient overlay */}
+      <div className="absolute inset-0 bg-gradient-to-b from-emerald-50/30 via-transparent to-white" />
+      
+      {/* Noise Texture Overlay */}
+      <div className="absolute inset-0 opacity-[0.03] pointer-events-none" style={{ backgroundImage: 'url("https://grainy-gradients.vercel.app/noise.svg")' }} />
+      
+      {/* Geometric Grid */}
+      <div className="absolute inset-0 opacity-[0.1]" style={{ 
+        backgroundImage: `linear-gradient(#065f46 1px, transparent 1px), linear-gradient(90deg, #065f46 1px, transparent 1px)`,
+        backgroundSize: '60px 60px'
+      }} />
+      
+      {/* Central Spotlight */}
+      <div className="absolute top-0 left-1/2 -translate-x-1/2 w-full max-w-6xl h-full bg-[radial-gradient(circle_at_50%_40%,#fff_0%,transparent_80%)]" />
+      
+      {/* Accent Lines */}
+      <div className="absolute top-0 left-0 right-0 h-px bg-gradient-to-r from-transparent via-brand/20 to-transparent" />
+      <div className="absolute bottom-0 left-0 right-0 h-px bg-gradient-to-r from-transparent via-emerald-100 to-transparent" />
     </div>
     
-    <div className="max-w-7xl mx-auto px-6 text-center">
+    <div className="max-w-7xl mx-auto px-6 text-center relative">
+      {/* Floating Decorative Elements */}
+      <motion.div 
+        animate={{ y: [0, -20, 0] }}
+        transition={{ duration: 4, repeat: Infinity, ease: "easeInOut" }}
+        className="absolute -top-20 -left-20 w-40 h-40 bg-brand/5 rounded-3xl rotate-12 blur-xl hidden lg:block" 
+      />
+      <motion.div 
+        animate={{ y: [0, 20, 0] }}
+        transition={{ duration: 5, repeat: Infinity, ease: "easeInOut" }}
+        className="absolute top-60 -right-20 w-56 h-56 bg-teal-500/5 rounded-full blur-3xl hidden lg:block" 
+      />
+      
       <motion.div
         initial={{ opacity: 0, y: 20 }}
         animate={{ opacity: 1, y: 0 }}
-        transition={{ duration: 0.6 }}
+        transition={{ duration: 0.8, ease: "easeOut" }}
       >
-        <span className="inline-block px-4 py-1.5 rounded-full bg-blue-50 text-blue-600 text-xs font-bold uppercase tracking-wider mb-6">
-          {badge}
-        </span>
+        <div className="inline-flex items-center gap-2 px-4 py-2 rounded-full bg-white/80 backdrop-blur-sm border border-brand-muted shadow-sm mb-8">
+          <span className="w-2 h-2 rounded-full bg-brand animate-pulse" />
+          <span className="text-brand text-xs font-bold uppercase tracking-wider">
+            {badge}
+          </span>
+        </div>
         <h1 className="text-5xl md:text-7xl font-black text-slate-900 mb-8 leading-[1.1] tracking-tight">
           {title}
         </h1>
         <p className="text-xl text-slate-600 max-w-3xl mx-auto mb-10 leading-relaxed">
           {subtitle}
         </p>
-        <div className="flex flex-col sm:flex-row items-center justify-center gap-4">
-          <button className="w-full sm:w-auto bg-blue-600 text-white px-8 py-4 rounded-2xl font-bold text-lg hover:bg-blue-700 transition-all shadow-lg shadow-blue-200 flex items-center justify-center gap-2">
-            获取解决方案 <ArrowRight size={20} />
-          </button>
-          <button className="w-full sm:w-auto bg-white text-slate-900 border border-slate-200 px-8 py-4 rounded-2xl font-bold text-lg hover:bg-slate-50 transition-all">
-            查看演示视频
-          </button>
-        </div>
       </motion.div>
     </div>
   </section>
@@ -168,7 +141,7 @@ const FeatureCard = ({ icon: Icon, title, description, delay }: { icon: any, tit
     transition={{ duration: 0.5, delay }}
     className="bg-white p-8 rounded-3xl border border-slate-100 shadow-sm hover:shadow-xl hover:-translate-y-1 transition-all group"
   >
-    <div className="w-14 h-14 bg-blue-50 text-blue-600 rounded-2xl flex items-center justify-center mb-6 group-hover:bg-blue-600 group-hover:text-white transition-colors">
+    <div className="w-14 h-14 bg-brand-light text-brand rounded-2xl flex items-center justify-center mb-6 group-hover:bg-brand group-hover:text-white transition-colors">
       <Icon size={28} />
     </div>
     <h3 className="text-xl font-bold text-slate-900 mb-3">{title}</h3>
@@ -183,11 +156,14 @@ const SectionHeading = ({ title, subtitle, centered = true }: { title: string, s
   </div>
 );
 
-const ScreenshotPlaceholder = ({ label, description, src, type = "web" }: { label: string, description: string, src?: string, type?: "web" | "mobile" }) => (
-  <div className={cn(
-    "relative bg-slate-100 rounded-2xl overflow-hidden border border-slate-200 group cursor-pointer shadow-sm",
-    type === "mobile" ? "aspect-[9/19.5] max-w-[280px] mx-auto" : "aspect-video w-full"
-  )}>
+const ScreenshotPlaceholder = ({ label, description, src, type = "web", onClick }: { label: string, description: string, src?: string, type?: "web" | "mobile", onClick?: () => void }) => (
+  <div 
+    onClick={onClick}
+    className={cn(
+      "relative bg-slate-100 rounded-2xl overflow-hidden border border-slate-200 group cursor-pointer shadow-sm transition-all hover:ring-2 hover:ring-brand/50",
+      type === "mobile" ? "aspect-[9/19.5] w-full" : "aspect-video w-full"
+    )}
+  >
     {src ? (
       <img 
         src={src} 
@@ -204,18 +180,52 @@ const ScreenshotPlaceholder = ({ label, description, src, type = "web" }: { labe
         <p className="text-xs text-slate-500">{description}</p>
       </div>
     )}
-    <div className="absolute inset-0 bg-blue-600/0 group-hover:bg-blue-600/5 transition-colors pointer-events-none" />
+    <div className="absolute inset-0 bg-brand/0 group-hover:bg-brand/5 transition-colors pointer-events-none" />
     <div className="absolute bottom-4 right-4 bg-white/90 backdrop-blur px-3 py-1 rounded-full text-[10px] font-bold text-slate-600 border border-white/50 shadow-sm z-10">
       {type === "mobile" ? "移动端界面" : "Web端界面"}
     </div>
   </div>
 );
 
+const Lightbox = ({ src, onClose }: { src: string | null, onClose: () => void }) => {
+  if (!src) return null;
+
+  return (
+    <div 
+      className="fixed inset-0 z-[100] bg-slate-900/90 backdrop-blur-sm flex items-center justify-center p-4 md:p-10 cursor-zoom-out"
+      onClick={onClose}
+    >
+      <motion.div 
+        initial={{ scale: 0.9, opacity: 0 }}
+        animate={{ scale: 1, opacity: 1 }}
+        className="relative max-w-5xl w-full max-h-full flex items-center justify-center"
+        onClick={(e) => e.stopPropagation()}
+      >
+        <img 
+          src={src} 
+          alt="Large view" 
+          className="max-w-full max-h-[90vh] object-contain rounded-xl shadow-2xl"
+          referrerPolicy="no-referrer"
+        />
+        <button 
+          onClick={onClose}
+          className="absolute -top-12 right-0 text-white hover:text-brand-accent transition-colors p-2"
+        >
+          <X size={32} />
+        </button>
+      </motion.div>
+    </div>
+  );
+};
+
 // --- Main Content Sections ---
 
 const AssetManagementSystem = () => {
+  const [selectedImage, setSelectedImage] = useState<string | null>(null);
+
   return (
-    <div className="space-y-32 pb-20">
+    <div className="space-y-20 pb-20">
+      <Lightbox src={selectedImage} onClose={() => setSelectedImage(null)} />
       <Hero 
         badge="OneOS 核心产品"
         title="企业级资产管理中枢"
@@ -235,7 +245,7 @@ const AssetManagementSystem = () => {
           <FeatureCard 
             icon={BarChart3}
             title="实时可视化大屏"
-            description="提供资产分布热力图、利用率分析、折旧成本报表等多维度视图，辅助资源优化配置。"
+            description="构建可视化运营视图，聚合核心数据分析。直观呈现资产分布与利用效率，支撑资源优化配置，驱动资产价值最大化。"
             delay={0.2}
           />
           <FeatureCard 
@@ -247,7 +257,7 @@ const AssetManagementSystem = () => {
           <FeatureCard 
             icon={Smartphone}
             title="多端协同集成"
-            description="支持PC管理后台 + 移动端扫码操作，无缝对接企业现有ERP、财务及OA系统。"
+            description="支持PC管理后台 + 移动端扫码操作，可对接企业现有ERP、财务及OA系统。"
             delay={0.4}
           />
         </div>
@@ -270,7 +280,7 @@ const AssetManagementSystem = () => {
                   { title: "接入层", desc: "全面支持Web端、移动端及第三方系统API接入。" }
                 ].map((item, i) => (
                   <div key={i} className="flex gap-4">
-                    <div className="mt-1 flex-shrink-0 w-6 h-6 rounded-full bg-blue-100 text-blue-600 flex items-center justify-center">
+                    <div className="mt-1 flex-shrink-0 w-6 h-6 rounded-full bg-brand-light text-brand flex items-center justify-center">
                       <CheckCircle2 size={14} />
                     </div>
                     <div>
@@ -282,10 +292,10 @@ const AssetManagementSystem = () => {
               </div>
             </div>
             <div className="bg-white p-10 rounded-[40px] shadow-2xl shadow-slate-200 border border-slate-100 relative overflow-hidden">
-              <div className="absolute top-0 right-0 w-32 h-32 bg-blue-50 rounded-bl-full -z-0" />
+              <div className="absolute top-0 right-0 w-32 h-32 bg-brand-light rounded-bl-full -z-0" />
               <div className="relative z-10 flex flex-col items-center gap-8">
-                <div className="w-48 h-48 rounded-full border-4 border-dashed border-blue-200 flex items-center justify-center p-4">
-                  <div className="w-full h-full bg-blue-600 rounded-full flex flex-col items-center justify-center text-white text-center">
+                <div className="w-48 h-48 rounded-full border-4 border-dashed border-brand-muted flex items-center justify-center p-4">
+                  <div className="w-full h-full bg-brand rounded-full flex flex-col items-center justify-center text-white text-center">
                     <Database size={32} className="mb-2" />
                     <span className="text-xs font-bold uppercase tracking-widest">资产数据中心</span>
                   </div>
@@ -303,103 +313,6 @@ const AssetManagementSystem = () => {
         </div>
       </section>
 
-      {/* Modules Showcase */}
-      <section className="max-w-7xl mx-auto px-6">
-        <SectionHeading title="关键功能模块展示" subtitle="直观、易用、专业的管理界面" />
-        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
-          <div className="space-y-4">
-            <ScreenshotPlaceholder 
-              label="资产全景视图" 
-              description="展示资产总览、分类统计、分布情况。" 
-              src="input_file_1.png"
-            />
-            <div className="px-2">
-              <h4 className="font-bold text-slate-900">1. 资产全景视图</h4>
-              <p className="text-sm text-slate-500">数据大屏或仪表盘。展示资产总金额、分类占比、状态分布图表。</p>
-            </div>
-          </div>
-          <div className="space-y-4">
-            <ScreenshotPlaceholder 
-              label="资产详情卡片" 
-              description="展示单个资产的全息档案。" 
-              src="input_file_0.png"
-            />
-            <div className="px-2">
-              <h4 className="font-bold text-slate-900">2. 资产详情卡片</h4>
-              <p className="text-sm text-slate-500">包含资产编码、位置、责任人、照片、关联文档等全量信息。</p>
-            </div>
-          </div>
-          <div className="space-y-4">
-            <ScreenshotPlaceholder 
-              label="业务流程引擎" 
-              description="展示资产流转的自动化审批。" 
-              src="input_file_3.png"
-            />
-            <div className="px-2">
-              <h4 className="font-bold text-slate-900">3. 业务流程引擎</h4>
-              <p className="text-sm text-slate-500">资产领用、维修申请流转图，清晰显示节点和处理人。</p>
-            </div>
-          </div>
-          <div className="space-y-4">
-            <ScreenshotPlaceholder 
-              label="移动端操作" 
-              description="现场扫码盘点或操作。" 
-              type="mobile" 
-              src="input_file_4.png"
-            />
-            <div className="px-2 text-center">
-              <h4 className="font-bold text-slate-900">4. 移动端操作</h4>
-              <p className="text-sm text-slate-500">体现“随时随地，扫码即查”的便捷性。</p>
-            </div>
-          </div>
-          <div className="space-y-4 md:col-span-2">
-            <ScreenshotPlaceholder 
-              label="报表与导出" 
-              description="数据统计分析能力。" 
-              src="input_file_2.png"
-            />
-            <div className="px-2">
-              <h4 className="font-bold text-slate-900">5. 报表与导出</h4>
-              <p className="text-sm text-slate-500">报表中心。支持自定义查询条件和一键导出Excel功能。</p>
-            </div>
-          </div>
-        </div>
-      </section>
-
-      {/* Security */}
-      <section className="max-w-5xl mx-auto px-6">
-        <div className="bg-slate-900 rounded-[40px] p-12 text-white flex flex-col md:flex-row items-center gap-12">
-          <div className="w-24 h-24 bg-blue-600 rounded-3xl flex items-center justify-center flex-shrink-0">
-            <ShieldCheck size={48} />
-          </div>
-          <div>
-            <h3 className="text-3xl font-bold mb-4">安全与合规</h3>
-            <div className="grid grid-cols-1 sm:grid-cols-2 gap-8">
-              <div>
-                <h4 className="text-blue-400 font-bold mb-2">数据安全</h4>
-                <p className="text-slate-400 text-sm leading-relaxed">依托OneOS平台的安全机制，支持数据加密传输与存储，保障企业核心资产数据不外泄。</p>
-              </div>
-              <div>
-                <h4 className="text-blue-400 font-bold mb-2">权限控制</h4>
-                <p className="text-slate-400 text-sm leading-relaxed">细粒度的RBAC权限管理，确保不同角色只能看到和操作被授权的数据，实现管理闭环。</p>
-              </div>
-            </div>
-          </div>
-        </div>
-      </section>
-    </div>
-  );
-};
-
-const VehicleRentalSystem = () => {
-  return (
-    <div className="space-y-32 pb-20">
-      <Hero 
-        badge="业务能力全景介绍"
-        title="车辆租赁业务管理系统"
-        subtitle="覆盖租赁全生命周期，从业务源头到资金结算的端到端闭环管理，保障业务安全、高效、可追溯。"
-      />
-
       {/* Business Cycle */}
       <section className="max-w-7xl mx-auto px-6">
         <SectionHeading title="业务闭环：覆盖租赁全生命周期" />
@@ -412,7 +325,7 @@ const VehicleRentalSystem = () => {
               { icon: Settings, title: "资金结算", desc: "账务闭环。自动化生成应收应付账单，实现费用、违章、保险等精准核算。" }
             ].map((step, i) => (
               <div key={i} className="bg-white p-8 rounded-3xl border border-slate-100 shadow-sm text-center">
-                <div className="w-16 h-16 bg-blue-600 text-white rounded-2xl flex items-center justify-center mx-auto mb-6 shadow-lg shadow-blue-100">
+                <div className="w-16 h-16 bg-brand text-white rounded-2xl flex items-center justify-center mx-auto mb-6 shadow-lg shadow-brand-muted">
                   <step.icon size={32} />
                 </div>
                 <h3 className="text-xl font-bold text-slate-900 mb-3">{step.title}</h3>
@@ -453,12 +366,12 @@ const VehicleRentalSystem = () => {
               <div key={i} className="bg-white p-10 rounded-[32px] border border-slate-200 shadow-sm">
                 <div className="flex items-center justify-between mb-6">
                   <h3 className="text-2xl font-bold text-slate-900">{mod.title}</h3>
-                  <span className="px-3 py-1 bg-blue-50 text-blue-600 text-[10px] font-black uppercase rounded-full tracking-wider">{mod.tag}</span>
+                  <span className="px-3 py-1 bg-brand-light text-brand text-[10px] font-black uppercase rounded-full tracking-wider">{mod.tag}</span>
                 </div>
                 <ul className="space-y-4">
                   {mod.items.map((item, j) => (
                     <li key={j} className="flex gap-3 text-slate-600 text-sm">
-                      <div className="mt-1 flex-shrink-0 w-4 h-4 rounded-full bg-blue-100 text-blue-600 flex items-center justify-center">
+                      <div className="mt-1 flex-shrink-0 w-4 h-4 rounded-full bg-brand-light text-brand flex items-center justify-center">
                         <ChevronRight size={10} />
                       </div>
                       {item}
@@ -471,60 +384,161 @@ const VehicleRentalSystem = () => {
         </div>
       </section>
 
-      {/* Why Choose Us */}
+      {/* Modules Showcase */}
       <section className="max-w-7xl mx-auto px-6">
-        <div className="grid grid-cols-1 lg:grid-cols-2 gap-16 items-center">
-          <div>
-            <SectionHeading 
-              centered={false}
-              title="为什么选择我们的系统？" 
-              subtitle="将复杂的租赁流程固化到系统中，降低风险，提升效率。"
+        <SectionHeading title="关键功能模块展示" subtitle="直观、易用、专业的管理界面" />
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-12">
+          {/* 01 工作台 */}
+          <div className="space-y-6">
+            <ScreenshotPlaceholder 
+              label="工作台" 
+              description="任务流程一屏统管，业务处理高效协同。" 
+              src="/assets/screenshots/01.jpg"
+              onClick={() => setSelectedImage("/assets/screenshots/01.jpg")}
             />
-            <div className="space-y-8">
-              {[
-                { title: "业务流程标准化", desc: "降低人为操作失误风险，确保业务合规。" },
-                { title: "资产安全保障", desc: "验车拍照、GPS监控、违章预警全方位保护。" },
-                { title: "资金管理零误差", desc: "自动化计费与结算，每一笔收入支出清晰可查。" },
-                { title: "数据驱动增长", desc: "洞察业务瓶颈，优化运营策略。" }
-              ].map((item, i) => (
-                <div key={i} className="flex gap-4">
-                  <div className="w-12 h-12 bg-slate-900 text-white rounded-2xl flex items-center justify-center flex-shrink-0">
-                    <Zap size={20} />
-                  </div>
-                  <div>
-                    <h4 className="text-lg font-bold text-slate-900">{item.title}</h4>
-                    <p className="text-slate-500 text-sm">{item.desc}</p>
-                  </div>
-                </div>
-              ))}
+            <div className="px-2">
+              <h4 className="text-xl font-bold text-slate-900 mb-2">01. 工作台</h4>
+              <p className="text-brand font-medium mb-3">“任务流程一屏统管，业务处理高效协同。”</p>
+              <p className="text-slate-500 text-sm leading-relaxed">
+                打破信息孤岛，工作台集成待办任务中心与实时通知。无论是交车、调拨还是年审，所有业务节点清晰可见，一键直达处理，确保团队协作流畅，业务流转不停滞。
+              </p>
             </div>
           </div>
-          <div className="grid grid-cols-2 gap-4">
-            <div className="space-y-4 pt-12">
-              <ScreenshotPlaceholder 
-                label="移动端验车" 
-                description="拍照上传，电子存证" 
-                type="mobile" 
-                src="input_file_5.png"
-              />
-              <ScreenshotPlaceholder 
-                label="车辆状态看板" 
-                description="实时掌握车队动态" 
-                src="input_file_0.png"
-              />
+
+          {/* 02 车辆档案 */}
+          <div className="space-y-6">
+            <ScreenshotPlaceholder 
+              label="车辆全生命周期档案" 
+              description="一屏掌控所有细节" 
+              src="/assets/screenshots/02.jpg"
+              onClick={() => setSelectedImage("/assets/screenshots/02.jpg")}
+            />
+            <div className="px-2">
+              <h4 className="text-xl font-bold text-slate-900 mb-2">02. 车辆档案</h4>
+              <p className="text-brand font-medium mb-3">“车辆全生命周期档案，一屏掌控所有细节”</p>
+              <p className="text-slate-500 text-sm leading-relaxed">
+                从车辆识别代号、车牌号到归属停车场、业务负责人，所有基础信息集中管理。无论是运营城市、车辆类型还是客户名称，均可快速筛选与定位，确保每辆车的“前世今生”清晰可查。
+              </p>
             </div>
-            <div className="space-y-4">
-              <ScreenshotPlaceholder 
-                label="合同审批流" 
-                description="流程可视化" 
-                src="input_file_3.png"
-              />
-              <ScreenshotPlaceholder 
-                label="结算报表" 
-                description="一键生成账单" 
-                type="mobile" 
-                src="input_file_6.png"
-              />
+          </div>
+
+          {/* 03 业务闭环 */}
+          <div className="space-y-6">
+            <ScreenshotPlaceholder 
+              label="全链路业务闭环" 
+              description="覆盖车辆运营全生命周期" 
+              src="/assets/screenshots/03.jpg"
+              onClick={() => setSelectedImage("/assets/screenshots/03.jpg")}
+            />
+            <div className="px-2">
+              <h4 className="text-xl font-bold text-slate-900 mb-2">03. 业务闭环</h4>
+              <p className="text-brand font-medium mb-3">“全链路业务闭环，覆盖车辆运营全生命周期。”</p>
+              <p className="text-slate-500 text-sm leading-relaxed">
+                从备车、交车、还车到替换车，所有核心业务环节无缝衔接。通过标准化的流程管理，确保每一辆车的流转都有据可查、高效可控，实现业务执行的精细化与规范化。
+              </p>
+            </div>
+          </div>
+
+          {/* 04 结算体系 */}
+          <div className="space-y-6">
+            <ScreenshotPlaceholder 
+              label="费用明细透明可视" 
+              description="构建信任结算体系" 
+              src="/assets/screenshots/04.png"
+              onClick={() => setSelectedImage("/assets/screenshots/04.png")}
+            />
+            <div className="px-2">
+              <h4 className="text-xl font-bold text-slate-900 mb-2">04. 结算体系</h4>
+              <p className="text-brand font-medium mb-3">“费用明细透明可视，构建信任结算体系。”</p>
+              <p className="text-slate-500 text-sm leading-relaxed">
+                每一笔应收租金、每一项违约金均有据可依。结合客观的车况评估数据，自动生成清晰的费用清单。 系统支持按业务服务组、车辆租金、能源采购组、运维部等多维度进行精细化拆分与核算。无论是ETC补缴、保险上浮，还是氢气补缴，每一笔款项归属清晰，为复杂的业务场景提供精准的财务结算依据。
+              </p>
+            </div>
+          </div>
+
+          {/* 05 移动小程序 */}
+          <div className="md:col-span-2 bg-slate-50 rounded-[40px] p-8 md:p-12 overflow-hidden">
+            <div className="max-w-4xl mb-12">
+              <h4 className="text-2xl font-bold text-slate-900 mb-4">05. 移动小程序</h4>
+              <p className="text-brand text-lg font-medium mb-4">“移动业务中枢，随时随地掌上办”</p>
+              <p className="text-slate-500 leading-relaxed mb-4">
+                打破时空限制，将核心业务搬进手机。无论是交车现场的车辆确认、还车环节的信息核对，还是年审管理的费用录入，所有关键节点均可通过小程序即时处理。数据实时同步，全程留痕不可篡改，解放一线生产力。管理者后台实时掌握进度，实现现场与后台的无缝衔接，让业务管控更透明、更安心。
+              </p>
+            </div>
+            
+            <div className="relative group/scroll">
+              <div 
+                id="mobile-scroll-container"
+                className="flex gap-6 overflow-x-auto pb-8 snap-x no-scrollbar scroll-smooth"
+              >
+                {[
+                  { src: "/assets/screenshots/05.png", label: "首页概览" },
+                  { src: "/assets/screenshots/06.png", label: "验车流程" },
+                  { src: "/assets/screenshots/07.png", label: "费用录入" },
+                  { src: "/assets/screenshots/08.png", label: "任务列表" },
+                  { src: "/assets/screenshots/09.png", label: "个人中心" },
+                  { src: "/assets/screenshots/05.png", label: "消息通知" },
+                  { src: "/assets/screenshots/06.png", label: "系统设置" },
+                  { src: "/assets/screenshots/07.png", label: "数据分析" },
+                  { src: "/assets/screenshots/08.png", label: "审批中心" },
+                  { src: "/assets/screenshots/09.png", label: "资产看板" },
+                ].map((img, i) => (
+                  <div key={i} className="flex-shrink-0 snap-center w-[240px] md:w-[280px]">
+                    <ScreenshotPlaceholder 
+                      label={img.label} 
+                      description="移动端实时操作" 
+                      type="mobile" 
+                      src={img.src}
+                      onClick={() => setSelectedImage(img.src)}
+                    />
+                  </div>
+                ))}
+              </div>
+
+              {/* Navigation Buttons */}
+              <button 
+                onClick={() => {
+                  const el = document.getElementById('mobile-scroll-container');
+                  if (el) el.scrollBy({ left: -300, behavior: 'smooth' });
+                }}
+                className="absolute left-4 top-1/2 -translate-y-1/2 w-12 h-12 bg-white/90 backdrop-blur rounded-full shadow-xl flex items-center justify-center text-slate-900 hover:bg-brand hover:text-white transition-all opacity-0 group-hover/scroll:opacity-100 z-20"
+              >
+                <ChevronRight size={24} className="rotate-180" />
+              </button>
+              <button 
+                onClick={() => {
+                  const el = document.getElementById('mobile-scroll-container');
+                  if (el) el.scrollBy({ left: 300, behavior: 'smooth' });
+                }}
+                className="absolute right-4 top-1/2 -translate-y-1/2 w-12 h-12 bg-white/90 backdrop-blur rounded-full shadow-xl flex items-center justify-center text-slate-900 hover:bg-brand hover:text-white transition-all opacity-0 group-hover/scroll:opacity-100 z-20"
+              >
+                <ChevronRight size={24} />
+              </button>
+
+              <div className="absolute left-0 top-0 bottom-8 w-20 bg-gradient-to-r from-slate-50 to-transparent pointer-events-none z-10" />
+              <div className="absolute right-0 top-0 bottom-8 w-20 bg-gradient-to-l from-slate-50 to-transparent pointer-events-none z-10" />
+            </div>
+          </div>
+        </div>
+      </section>
+
+      {/* Security */}
+      <section className="max-w-5xl mx-auto px-6">
+        <div className="bg-slate-900 rounded-[40px] p-12 text-white flex flex-col md:flex-row items-center gap-12">
+          <div className="w-24 h-24 bg-brand rounded-3xl flex items-center justify-center flex-shrink-0">
+            <ShieldCheck size={48} />
+          </div>
+          <div>
+            <h3 className="text-3xl font-bold mb-4">安全与合规</h3>
+            <div className="grid grid-cols-1 sm:grid-cols-2 gap-8">
+              <div>
+                <h4 className="text-brand-accent font-bold mb-2">数据安全</h4>
+                <p className="text-slate-400 text-sm leading-relaxed">依托OneOS平台的安全机制，支持数据加密传输与存储，保障企业核心资产数据不外泄。</p>
+              </div>
+              <div>
+                <h4 className="text-brand-accent font-bold mb-2">权限控制</h4>
+                <p className="text-slate-400 text-sm leading-relaxed">细粒度的RBAC权限管理，确保不同角色只能看到和操作被授权的数据，实现管理闭环。</p>
+              </div>
             </div>
           </div>
         </div>
@@ -537,16 +551,13 @@ const Footer = () => (
   <footer className="bg-slate-50 border-t border-slate-200 py-20">
     <div className="max-w-7xl mx-auto px-6">
       <div className="flex flex-col md:flex-row justify-between items-center gap-8">
-        <div className="flex items-center gap-2">
-          <div className="w-8 h-8 bg-blue-600 rounded-lg flex items-center justify-center text-white font-bold">1</div>
-          <span className="text-lg font-bold tracking-tight text-slate-900">OneOS <span className="text-blue-600">Solutions</span></span>
-        </div>
-        <p className="text-slate-500 text-sm">© 2026 OneOS 资产管理系统. 保留所有权利.</p>
-        <div className="flex gap-6">
-          <a href="#" className="text-slate-400 hover:text-blue-600 transition-colors">服务条款</a>
-          <a href="#" className="text-slate-400 hover:text-blue-600 transition-colors">隐私政策</a>
-          <a href="#" className="text-slate-400 hover:text-blue-600 transition-colors">联系我们</a>
+        <div className="flex items-center gap-3">
+          <div className="h-8 flex items-center justify-center overflow-hidden">
+            <img src="/assets/screenshots/logo.png" alt="Logo" className="h-full w-auto object-contain" referrerPolicy="no-referrer" />
+          </div>
+          <span className="text-lg font-bold tracking-tight text-slate-900">OneOS <span className="text-brand">Solutions</span></span>
         </div>
+        <p className="text-slate-500 text-sm">© 2026 OneOS 车辆资产管理. 保留所有权利.</p>
       </div>
     </div>
   </footer>
@@ -555,24 +566,12 @@ const Footer = () => (
 // --- Main App ---
 
 export default function App() {
-  const [activeTab, setActiveTab] = useState('asset');
-
   return (
-    <div className="min-h-screen bg-white font-sans selection:bg-blue-100 selection:text-blue-600">
-      <Navbar activeTab={activeTab} setActiveTab={setActiveTab} />
+    <div className="min-h-screen bg-white font-sans selection:bg-brand-light selection:text-brand">
+      <Navbar />
       
       <main>
-        <AnimatePresence mode="wait">
-          <motion.div
-            key={activeTab}
-            initial={{ opacity: 0, x: 10 }}
-            animate={{ opacity: 1, x: 0 }}
-            exit={{ opacity: 0, x: -10 }}
-            transition={{ duration: 0.4 }}
-          >
-            {activeTab === 'asset' ? <AssetManagementSystem /> : <VehicleRentalSystem />}
-          </motion.div>
-        </AnimatePresence>
+        <AssetManagementSystem />
       </main>
 
       <Footer />
diff --git a/src/index.css b/src/index.css
index 27e28fe..237b7e4 100644
--- a/src/index.css
+++ b/src/index.css
@@ -3,6 +3,10 @@
 
 @theme {
   --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
+  --color-brand: #065f46;
+  --color-brand-light: #ecfdf5;
+  --color-brand-muted: #d1fae5;
+  --color-brand-accent: #10b981;
 }
 
 @layer base {
@@ -10,3 +14,13 @@
     @apply antialiased text-slate-900;
   }
 }
+
+@layer utilities {
+  .no-scrollbar::-webkit-scrollbar {
+    display: none;
+  }
+  .no-scrollbar {
+    -ms-overflow-style: none;
+    scrollbar-width: none;
+  }
+}