diff --git a/src/components/AboutSection.tsx b/src/components/AboutSection.tsx
new file mode 100644
index 0000000..b8224de
--- /dev/null
+++ b/src/components/AboutSection.tsx
@@ -0,0 +1,194 @@
+import { motion } from "framer-motion";
+import { useTranslations } from "@/i18n/utils";
+import MotionWrapper from "./MotionWrapper";
+import { User, Code, Coffee, Heart } from "lucide-react";
+
+/**
+ * About section component that displays personal introduction
+ */
+export default function AboutSection({ lang }: { lang: "en" | "zh" }) {
+  const t = useTranslations(lang);
+
+  const containerVariants = {
+    hidden: { opacity: 0 },
+    visible: {
+      opacity: 1,
+      transition: {
+        staggerChildren: 0.2,
+        delayChildren: 0.1,
+      },
+    },
+  };
+
+  const itemVariants = {
+    hidden: { opacity: 0, y: 20 },
+    visible: {
+      opacity: 1,
+      y: 0,
+      transition: {
+        duration: 0.6,
+      },
+    },
+  };
+
+  const stats = [
+    {
+      number: "152",
+      label: t('about.stats.repositories'),
+      icon: Code,
+    },
+    {
+      number: "42K",
+      label: t('about.stats.commits'),
+      icon: Coffee,
+    },
+    {
+      number: "87",
+      label: t('about.stats.prsmerged'),
+      icon: Heart,
+    },
+  ];
+
+  return (
+    <section id="about" className="py-24 relative overflow-hidden">
+      {/* Background gradient */}
+      <div className="absolute inset-0 bg-gradient-to-br from-blue-900/10 via-purple-800/5 to-indigo-700/10 dark:from-blue-900/20 dark:via-purple-800/10 dark:to-indigo-700/20"></div>
+      
+      <div className="container max-w-6xl mx-auto px-6 md:px-4 relative z-10">
+        <MotionWrapper>
+          <motion.div
+            className="text-center mb-16"
+            variants={containerVariants}
+            initial="hidden"
+            whileInView="visible"
+            viewport={{ once: true, amount: 0.3 }}
+          >
+            {/* Section Title */}
+            <motion.div
+              className="flex items-center justify-center mb-6"
+              variants={itemVariants}
+            >
+              <h2 className="text-3xl md:text-4xl font-bold bg-gradient-to-r from-blue-600 to-purple-600 bg-clip-text text-transparent">
+                {t('about.title')}
+              </h2>
+            </motion.div>
+
+            {/* About Content */}
+            <div className="grid lg:grid-cols-2 gap-12 items-stretch">
+              {/* Left side - Description and Stats */}
+              <motion.div
+                className="bg-white/20 dark:bg-gray-800/50 backdrop-blur-sm border border-white/30 dark:border-gray-700/40 rounded-xl p-6 space-y-8"
+                variants={itemVariants}
+              >
+                {/* Description */}
+                <div>
+                  <h3 className="text-lg font-semibold text-gray-900 dark:text-white mb-6 flex items-center">
+                    <span className="mr-2">👋</span>
+                    关于我
+                  </h3>
+                  <div className="prose prose-lg dark:prose-invert max-w-none">
+                    <p className="text-gray-700 dark:text-gray-300 leading-relaxed">
+                      {t('about.description.paragraph1')}
+                    </p>
+                    <p className="text-gray-700 dark:text-gray-300 leading-relaxed">
+                      {t('about.description.paragraph2')}
+                    </p>
+                    <p className="text-gray-700 dark:text-gray-300 leading-relaxed">
+                      {t('about.description.paragraph3')}
+                    </p>
+                  </div>
+                </div>
+
+                {/* Stats Grid */}
+                <div className="grid grid-cols-3 gap-4">
+                  {stats.map((stat, index) => {
+                    const IconComponent = stat.icon;
+                    return (
+                      <motion.div
+                        key={index}
+                        className="text-center p-4 rounded-xl bg-white/30 dark:bg-gray-700/60 backdrop-blur-sm border border-white/40 dark:border-gray-600/50 hover:bg-white/40 dark:hover:bg-gray-700/80 transition-all duration-300"
+                        variants={itemVariants}
+                        whileHover={{ scale: 1.05 }}
+                        whileTap={{ scale: 0.95 }}
+                      >
+                        <IconComponent className="h-8 w-8 mx-auto mb-2 text-blue-500" />
+                        <div className="text-2xl font-bold text-gray-900 dark:text-white mb-1">
+                          {stat.number}
+                        </div>
+                        <div className="text-xs text-gray-600 dark:text-gray-400">
+                          {stat.label}
+                        </div>
+                      </motion.div>
+                    );
+                  })}
+                </div>
+              </motion.div>
+
+              {/* Right side - Skills Toolbox */}
+              <motion.div
+                className="bg-white/20 dark:bg-gray-800/50 backdrop-blur-sm border border-white/30 dark:border-gray-700/40 rounded-xl p-6 flex flex-col"
+                variants={itemVariants}
+              >
+                <h3 className="text-lg font-semibold text-gray-900 dark:text-white mb-6 flex items-center">
+                  <span className="mr-2">💻</span>
+                  {t('about.toolbox.title')}
+                </h3>
+                
+                <div className="space-y-6 flex-1">
+                  {/* Skills Progress */}
+                  <div className="space-y-4">
+                    <div className="flex justify-between items-center">
+                      <span className="text-sm text-gray-700 dark:text-gray-300">{t('about.toolbox.frontend')}</span>
+                      <span className="px-2 py-1 text-xs bg-blue-100 dark:bg-blue-900/30 text-blue-800 dark:text-blue-300 rounded">90%</span>
+                    </div>
+                    <div className="w-full bg-gray-200 dark:bg-gray-700 rounded-full h-2">
+                      <div className="bg-gradient-to-r from-blue-500 to-purple-500 h-2 rounded-full" style={{ width: '90%' }}></div>
+                    </div>
+                    
+                    <div className="flex justify-between items-center">
+                      <span className="text-sm text-gray-700 dark:text-gray-300">{t('about.toolbox.backend')}</span>
+                      <span className="px-2 py-1 text-xs bg-green-100 dark:bg-green-900/30 text-green-800 dark:text-green-300 rounded">85%</span>
+                    </div>
+                    <div className="w-full bg-gray-200 dark:bg-gray-700 rounded-full h-2">
+                      <div className="bg-gradient-to-r from-green-500 to-teal-500 h-2 rounded-full" style={{ width: '85%' }}></div>
+                    </div>
+                    
+                    <div className="flex justify-between items-center">
+                      <span className="text-sm text-gray-700 dark:text-gray-300">{t('about.toolbox.devops')}</span>
+                      <span className="px-2 py-1 text-xs bg-purple-100 dark:bg-purple-900/30 text-purple-800 dark:text-purple-300 rounded">75%</span>
+                    </div>
+                    <div className="w-full bg-gray-200 dark:bg-gray-700 rounded-full h-2">
+                      <div className="bg-gradient-to-r from-purple-500 to-pink-500 h-2 rounded-full" style={{ width: '75%' }}></div>
+                    </div>
+                    
+                    <div className="flex justify-between items-center">
+                      <span className="text-sm text-gray-700 dark:text-gray-300">{t('about.toolbox.mobile')}</span>
+                      <span className="px-2 py-1 text-xs bg-orange-100 dark:bg-orange-900/30 text-orange-800 dark:text-orange-300 rounded">65%</span>
+                    </div>
+                    <div className="w-full bg-gray-200 dark:bg-gray-700 rounded-full h-2">
+                      <div className="bg-gradient-to-r from-orange-500 to-red-500 h-2 rounded-full" style={{ width: '65%' }}></div>
+                    </div>
+                  </div>
+                  
+                  {/* Tech Stack Tags */}
+                  <div>
+                    <div className="flex flex-wrap gap-2">
+                      {['JavaScript', 'React', 'Node.js', 'TypeScript', 'TailwindCSS', 'Python', 'Docker', 'Git'].map((tech) => (
+                        <span
+                          key={tech}
+                          className="px-3 py-1 text-xs bg-gray-100 dark:bg-gray-700 text-gray-700 dark:text-gray-300 rounded-full hover:bg-gray-200 dark:hover:bg-gray-600 transition-colors"
+                        >
+                          {tech}
+                        </span>
+                      ))}
+                    </div>
+                  </div>
+                </div>
+              </motion.div>
+            </div>
+          </motion.div>
+        </MotionWrapper>
+      </div>
+    </section>
+  );
+}
\ No newline at end of file
diff --git a/src/components/ExperienceSection.tsx b/src/components/ExperienceSection.tsx
deleted file mode 100644
index 6aa6217..0000000
--- a/src/components/ExperienceSection.tsx
+++ /dev/null
@@ -1,76 +0,0 @@
-import { workExperience } from "@/lib/data";
-import TimelineItem from "./TimelineItem";
-import { useTranslations } from "@/i18n/utils";
-import { Briefcase } from "lucide-react";
-import { motion } from "framer-motion";
-import MotionWrapper from "./MotionWrapper";
-
-export default function ExperienceSection({ lang }: { lang: "en" | "zh" }) {
-  const t = useTranslations(lang);
-  return (
-    <section
-      id="experience"
-      className="py-12 bg-gradient-to-b from-muted/20 to-background"
-    >
-      <div className="container max-w-4xl mx-auto px-6 md:px-4">
-        <MotionWrapper>
-          <h2 className="text-2xl font-bold mb-8 text-center md:text-left flex items-center md:inline-block">
-            <motion.span
-              className="inline-block mr-2"
-              initial={{ rotate: 0 }}
-              whileInView={{ rotate: [0, -10, 10, -5, 5, 0] }}
-              transition={{ duration: 0.5, delay: 0.2 }}
-              viewport={{ once: true }}
-            >
-              💼
-            </motion.span>
-            {t('experience.title')}
-          </h2>
-        </MotionWrapper>
-        <div className="mb-8">
-          {workExperience.map((job, index) => {
-            const companyKey = job.company.toLowerCase().replace(/ /g, '');
-            return (
-            <TimelineItem
-              key={job.company + job.period}
-              title={`👨‍💻 ${t(`work.${companyKey}.position` as any)} | ${t(`work.${companyKey}.company` as any)}`}
-              subtitle={`🌍 ${t(`work.${companyKey}.location` as any)}`}
-              date={`📅 ${t(`work.${companyKey}.period` as any)}`}
-              isLast={index === workExperience.length - 1}
-              index={index}
-            >
-              <motion.div
-                className="mt-3 p-4 bg-background/80 backdrop-blur-sm backdrop-filter rounded-lg border border-purple-500/20 dark:bg-card/10 dark:border-purple-500/10 shadow-sm"
-                initial={{ opacity: 0, y: 20 }}
-                whileInView={{ opacity: 1, y: 0 }}
-                transition={{ duration: 0.5, delay: 0.2 }}
-                viewport={{ once: true }}
-              >
-                <div className="flex items-center mb-3">
-                  <div className="h-6 w-6 flex items-center justify-center rounded-full bg-purple-500/10 mr-2">
-                    <Briefcase className="h-4 w-4 text-purple-500" />
-                  </div>
-                  <h4 className="text-sm font-medium">{t('experience.keyAchievements')}</h4>
-                </div>
-                <ul className="list-none ml-4 space-y-2 text-sm">
-                  {job.achievements.map((achievement, i) => (
-                    <motion.li
-                      key={i}
-                      className="text-muted-foreground relative pl-6"
-                      initial={{ opacity: 0, x: -10 }}
-                      whileInView={{ opacity: 1, x: 0 }}
-                      transition={{ duration: 0.3, delay: 0.1 * i }}
-                      viewport={{ once: true }}
-                    >
-                      {t(`work.${companyKey}.achievements.${i}` as any)}
-                    </motion.li>
-                  ))}
-                </ul>
-              </motion.div>
-            </TimelineItem>
-          )})}
-        </div>
-      </div>
-    </section>
-  );
-}
diff --git a/src/components/GlassHeader.tsx b/src/components/GlassHeader.tsx
index c21bb71..2f58c0c 100644
--- a/src/components/GlassHeader.tsx
+++ b/src/components/GlassHeader.tsx
@@ -41,7 +41,7 @@ export default function GlassHeader({ lang }: GlassHeaderProps) {
         {/* Desktop Navigation */}
         <nav className="hidden md:flex items-center space-x-6 text-sm font-medium">
           {[ 
-            { key: 'nav.skills', icon: '🛠️ ', sectionId: 'skills' },
+            { key: 'nav.about', icon: '👨‍💻 ', sectionId: 'about' },
             { key: 'nav.projects', icon: '🚀 ', sectionId: 'projects' },
           ].map((item) => (
             <a
@@ -82,7 +82,7 @@ export default function GlassHeader({ lang }: GlassHeaderProps) {
         }`}>
           <nav className="flex flex-col space-y-3 text-sm font-medium">
             {[ 
-              { key: 'nav.skills', icon: '🛠️ ', sectionId: 'skills' },
+              { key: 'nav.about', icon: '👨‍💻 ', sectionId: 'about' },
               { key: 'nav.projects', icon: '🚀 ', sectionId: 'projects' },
             ].map((item) => (
               <a
diff --git a/src/components/SkillsMarquee.tsx b/src/components/SkillsMarquee.tsx
new file mode 100644
index 0000000..a9ade8a
--- /dev/null
+++ b/src/components/SkillsMarquee.tsx
@@ -0,0 +1,198 @@
+import { motion, useAnimation } from "framer-motion";
+import { useState, useEffect } from "react";
+import { useTranslations } from "@/i18n/utils";
+
+/**
+ * Skill item interface for the marquee component
+ */
+interface SkillItem {
+  name: string;
+  icon: string; // skillicons icon name
+}
+
+/**
+ * All skills data with corresponding skillicons names
+ * Using skillicons.dev for consistent icon display
+ */
+const allSkills: SkillItem[] = [
+  // Programming Languages
+  { name: "TypeScript", icon: "typescript" },
+  { name: "JavaScript", icon: "javascript" },
+  { name: "React", icon: "react" },
+  { name: "Vue", icon: "vue" },
+  { name: "微信小程序", icon: "wechat" },
+  { name: "UniApp", icon: "vue" }, // Using vue icon as fallback
+  
+  // Frontend Development
+  { name: "Next.js", icon: "nextjs" },
+  { name: "Nuxt.js", icon: "nuxtjs" },
+  { name: "React Native", icon: "react" },
+  { name: "Tailwind CSS", icon: "tailwindcss" },
+  { name: "Shadcn UI", icon: "react" }, // Using react icon as fallback
+  { name: "PrimeVue", icon: "vue" }, // Using vue icon as fallback
+  { name: "Naive-UI", icon: "vue" }, // Using vue icon as fallback
+  
+  // Backend Development
+  { name: "Node.js", icon: "nodejs" },
+  { name: "Express.js", icon: "express" },
+  { name: "Nest.js", icon: "nestjs" },
+  { name: "Fastify.js", icon: "fastify" },
+  { name: "Hono.js", icon: "nodejs" }, // Using nodejs icon as fallback
+  
+  // Database & Storage
+  { name: "PostgreSQL", icon: "postgresql" },
+  { name: "MongoDB", icon: "mongodb" },
+  { name: "Drizzle ORM", icon: "typescript" }, // Using typescript icon as fallback
+  { name: "Mongoose", icon: "mongodb" }, // Using mongodb icon as fallback
+  { name: "Prisma", icon: "prisma" },
+  
+  // Cloud & DevOps
+  { name: "AWS", icon: "aws" },
+  { name: "Cloudflare", icon: "cloudflare" },
+  { name: "Vercel", icon: "vercel" },
+  
+  // Tools & Services
+  { name: "Zod", icon: "typescript" }, // Using typescript icon as fallback
+  { name: "BetterAuth", icon: "nodejs" }, // Using nodejs icon as fallback
+  { name: "Clerk", icon: "react" }, // Using react icon as fallback
+  { name: "GitLab", icon: "gitlab" },
+  { name: "CI/CD", icon: "github" }, // Using github icon as fallback
+  { name: "Git", icon: "git" },
+  { name: "Docker", icon: "docker" },
+];
+
+/**
+ * Individual skill item component with icon and name
+ */
+function SkillItem({ skill }: { skill: SkillItem }) {
+  const iconUrl = `https://skillicons.dev/icons?i=${skill.icon}`;
+  
+  return (
+    <div className="flex items-center gap-3 px-4 py-2 bg-muted/80 backdrop-blur-sm rounded-lg border border-purple-500/10 shadow-sm whitespace-nowrap flex-shrink-0">
+      <img 
+        src={iconUrl} 
+        alt={skill.name} 
+        className="w-6 h-6 object-contain flex-shrink-0"
+        loading="lazy"
+      />
+      <span className="text-sm font-medium">{skill.name}</span>
+    </div>
+  );
+}
+
+/**
+ * Marquee row component that scrolls skills horizontally
+ */
+function MarqueeRow({ skills, direction = "left", speed = 50 }: { 
+  skills: SkillItem[]; 
+  direction?: "left" | "right";
+  speed?: number;
+}) {
+  // Duplicate skills array to create seamless infinite scroll
+  const duplicatedSkills = [...skills, ...skills];
+  // State to control animation play/pause
+  const [isHovered, setIsHovered] = useState(false);
+  const controls = useAnimation();
+  
+  // Start animation on component mount
+  useEffect(() => {
+    const startAnimation = () => {
+      controls.start({
+        x: direction === "left" ? ["-50%", "0%"] : ["0%", "-50%"],
+        transition: {
+          x: {
+            repeat: Infinity,
+            repeatType: "loop",
+            duration: speed,
+            ease: "linear"
+          }
+        }
+      });
+    };
+    
+    startAnimation();
+  }, [controls, direction, speed]);
+  
+  // Handle hover state changes
+  useEffect(() => {
+    if (isHovered) {
+      controls.stop();
+    } else {
+      controls.start({
+        x: direction === "left" ? ["-50%", "0%"] : ["0%", "-50%"],
+        transition: {
+          x: {
+            repeat: Infinity,
+            repeatType: "loop",
+            duration: speed,
+            ease: "linear"
+          }
+        }
+      });
+    }
+  }, [isHovered, controls, direction, speed]);
+  
+  return (
+    <div 
+      className="overflow-hidden"
+      onMouseEnter={() => setIsHovered(true)}
+      onMouseLeave={() => setIsHovered(false)}
+    >
+      <motion.div
+        className="flex gap-4 w-fit"
+        animate={controls}
+      >
+        {duplicatedSkills.map((skill, index) => (
+          <SkillItem key={`${skill.name}-${index}`} skill={skill} />
+        ))}
+      </motion.div>
+    </div>
+  );
+}
+
+/**
+ * Main skills marquee component with multiple scrolling rows
+ */
+export default function SkillsMarquee({ lang }: { lang: "en" | "zh" }) {
+  const t = useTranslations(lang);
+  
+  // Split skills into multiple rows for varied scrolling effect
+  const skillsRow1 = allSkills.slice(0, Math.ceil(allSkills.length / 3));
+  const skillsRow2 = allSkills.slice(Math.ceil(allSkills.length / 3), Math.ceil(allSkills.length * 2 / 3));
+  const skillsRow3 = allSkills.slice(Math.ceil(allSkills.length * 2 / 3));
+  
+  return (
+    <section className="py-12 bg-gradient-to-b from-muted/20 to-background overflow-hidden">
+      <div className="container max-w-6xl mx-auto px-6 md:px-4">
+        <div className="relative">
+          <div className="space-y-6">
+            {/* First row - scrolling left */}
+            <MarqueeRow 
+              skills={skillsRow1} 
+              direction="left" 
+              speed={60}
+            />
+            
+            {/* Second row - scrolling right */}
+            <MarqueeRow 
+              skills={skillsRow2} 
+              direction="right" 
+              speed={45}
+            />
+            
+            {/* Third row - scrolling left */}
+            <MarqueeRow 
+              skills={skillsRow3} 
+              direction="left" 
+              speed={55}
+            />
+          </div>
+          
+          {/* Gradient overlays for smooth fade effect */}
+          <div className="absolute left-0 top-0 bottom-0 w-20 bg-gradient-to-r from-background to-transparent pointer-events-none z-10" />
+          <div className="absolute right-0 top-0 bottom-0 w-20 bg-gradient-to-l from-background to-transparent pointer-events-none z-10" />
+        </div>
+      </div>
+    </section>
+  );
+}
\ No newline at end of file
diff --git a/src/components/SkillsSection.tsx b/src/components/SkillsSection.tsx
deleted file mode 100644
index 2615b1e..0000000
--- a/src/components/SkillsSection.tsx
+++ /dev/null
@@ -1,150 +0,0 @@
-import React from "react";
-import { skills } from "@/lib/data";
-import { useTranslations } from "@/i18n/utils";
-import { motion } from "framer-motion";
-import MotionWrapper from "./MotionWrapper";
-import { GlassCard } from "./ui/glass-card";
-
-function SkillTag({ skill, index }: { skill: string; index: number }) {
-  return (
-    <motion.div
-      initial={{ opacity: 0, scale: 0.8 }}
-      whileInView={{ opacity: 1, scale: 1 }}
-      transition={{
-        type: "spring",
-        stiffness: 260,
-        damping: 20,
-        delay: 0.05 * index,
-      }}
-      whileHover={{ scale: 1.05, y: -2 }}
-      className="px-3 py-1 bg-muted/80 backdrop-blur-sm rounded-md text-sm border border-purple-500/10 shadow-sm"
-    >
-      {skill}
-    </motion.div>
-  );
-}
-
-const containerVariants = {
-  hidden: { opacity: 0 },
-  visible: {
-    opacity: 1,
-    transition: {
-      staggerChildren: 0.1,
-    },
-  },
-};
-
-const skillCategoryVariants = {
-  hidden: { opacity: 0, y: 20 },
-  visible: {
-    opacity: 1,
-    y: 0,
-    transition: {
-      duration: 0.5,
-    },
-  },
-};
-
-export default function SkillsSection({ lang }: { lang: "en" | "zh" }) {
-  const t = useTranslations(lang);
-  return (
-    <section
-      id="skills"
-      className="py-12 bg-gradient-to-b from-background to-muted/20"
-    >
-      <div className="container max-w-4xl mx-auto px-6 md:px-4">
-        <MotionWrapper>
-          <h2 className="text-2xl font-bold mb-8 text-center md:text-left">
-            🛠️ {t('skills.title')}
-          </h2>
-        </MotionWrapper>
-
-        <motion.div
-          className="space-y-6"
-          variants={containerVariants}
-          initial="hidden"
-          whileInView="visible"
-          viewport={{ once: true, margin: "-50px" }}
-        >
-          <motion.div variants={skillCategoryVariants}>
-            <GlassCard className="p-4">
-              <h3 className="text-lg font-medium mb-3 text-center md:text-left flex items-center">
-                <span className="mr-2 text-xl">💻</span> {t('skills.programmingLanguages')}
-              </h3>
-              <div className="flex flex-wrap gap-2 justify-center md:justify-start">
-                {skills.programmingLanguages.map((skill, index) => (
-                  <SkillTag key={skill} skill={skill} index={index} />
-                ))}
-              </div>
-            </GlassCard>
-          </motion.div>
-
-          <motion.div variants={skillCategoryVariants}>
-            <GlassCard className="p-4">
-              <h3 className="text-lg font-medium mb-3 text-center md:text-left flex items-center">
-                <span className="mr-2 text-xl">🎨</span> {t('skills.frontendDevelopment')}
-              </h3>
-              <div className="flex flex-wrap gap-2 justify-center md:justify-start">
-                {skills.frontendDevelopment.map((skill, index) => (
-                  <SkillTag key={skill} skill={skill} index={index} />
-                ))}
-              </div>
-            </GlassCard>
-          </motion.div>
-
-          <motion.div variants={skillCategoryVariants}>
-            <GlassCard className="p-4">
-              <h3 className="text-lg font-medium mb-3 text-center md:text-left flex items-center">
-                <span className="mr-2 text-xl">⚙️</span> {t('skills.backendDevelopment')}
-              </h3>
-              <div className="flex flex-wrap gap-2 justify-center md:justify-start">
-                {skills.backendDevelopment.map((skill, index) => (
-                  <SkillTag key={skill} skill={skill} index={index} />
-                ))}
-              </div>
-            </GlassCard>
-          </motion.div>
-
-          <motion.div variants={skillCategoryVariants}>
-            <GlassCard className="p-4">
-              <h3 className="text-lg font-medium mb-3 text-center md:text-left flex items-center">
-                <span className="mr-2 text-xl">🗄️</span> {t('skills.databaseAndStorage')}
-              </h3>
-              <div className="flex flex-wrap gap-2 justify-center md:justify-start">
-                {skills.databaseAndStorage.map((skill, index) => (
-                  <SkillTag key={skill} skill={skill} index={index} />
-                ))}
-              </div>
-            </GlassCard>
-          </motion.div>
-
-          <motion.div variants={skillCategoryVariants}>
-            <GlassCard className="p-4">
-              <h3 className="text-lg font-medium mb-3 text-center md:text-left flex items-center">
-                <span className="mr-2 text-xl">☁️</span> {t('skills.cloudAndDevOps')}
-              </h3>
-              <div className="flex flex-wrap gap-2 justify-center md:justify-start">
-                {skills.cloudAndDevOps.map((skill, index) => (
-                  <SkillTag key={skill} skill={skill} index={index} />
-                ))}
-              </div>
-            </GlassCard>
-          </motion.div>
-
-          <motion.div variants={skillCategoryVariants}>
-            <GlassCard className="p-4">
-              <h3 className="text-lg font-medium mb-3 text-center md:text-left flex items-center">
-                <span className="mr-2 text-xl">🧰</span> {t('skills.toolsAndServices')}
-              </h3>
-              <div className="flex flex-wrap gap-2 justify-center md:justify-start">
-                {skills.toolsAndServices.map((skill, index) => (
-                  <SkillTag key={skill} skill={skill} index={index} />
-                ))}
-              </div>
-            </GlassCard>
-          </motion.div>
-        </motion.div>
-      </div>
-    </section>
-  );
-}
diff --git a/src/components/TimelineItem.tsx b/src/components/TimelineItem.tsx
deleted file mode 100644
index e684f44..0000000
--- a/src/components/TimelineItem.tsx
+++ /dev/null
@@ -1,76 +0,0 @@
-import * as React from "react";
-import { cn } from "@/lib/utils";
-import { motion } from "framer-motion";
-
-interface TimelineItemProps {
-  title: string;
-  subtitle: string;
-  date: string;
-  isLast?: boolean;
-  index?: number;
-  children?: React.ReactNode;
-}
-
-export default function TimelineItem({
-  title,
-  subtitle,
-  date,
-  isLast = false,
-  index = 0,
-  children,
-}: TimelineItemProps) {
-  return (
-    <motion.div
-      className="relative flex gap-6"
-      initial={{ opacity: 0, y: 20 }}
-      whileInView={{ opacity: 1, y: 0 }}
-      transition={{ duration: 0.5, delay: index * 0.2 }}
-      viewport={{ once: true, margin: "-50px" }}
-    >
-      <div className="flex flex-col items-center">
-        <motion.div
-          className="flex h-[18px] w-[18px] rounded-full border border-purple-500/50 bg-background dark:bg-muted z-10"
-          initial={{ scale: 0 }}
-          whileInView={{ scale: 1 }}
-          transition={{
-            type: "spring",
-            stiffness: 300,
-            damping: 15,
-            delay: index * 0.2 + 0.2,
-          }}
-          viewport={{ once: true, margin: "-50px" }}
-        />
-        {!isLast && (
-          <motion.div
-            className="w-px grow bg-gradient-to-b from-purple-500/50 to-pink-500/30 dark:from-purple-500/30 dark:to-pink-500/10"
-            initial={{ height: 0 }}
-            whileInView={{ height: "100%" }}
-            transition={{ duration: 0.8, delay: index * 0.2 + 0.3 }}
-            viewport={{ once: true, margin: "-50px" }}
-          />
-        )}
-      </div>
-      <div className={cn("pb-8", isLast ? "pb-0" : "")}>
-        <motion.div
-          className="flex flex-col gap-0.5"
-          initial={{ opacity: 0, x: -20 }}
-          whileInView={{ opacity: 1, x: 0 }}
-          transition={{ duration: 0.5, delay: index * 0.2 + 0.1 }}
-          viewport={{ once: true, margin: "-50px" }}
-        >
-          <h3 className="font-medium">{title}</h3>
-          <p className="text-sm text-muted-foreground">{subtitle}</p>
-          <p className="text-xs text-muted-foreground/70 mb-2">{date}</p>
-        </motion.div>
-        <motion.div
-          initial={{ opacity: 0 }}
-          whileInView={{ opacity: 1 }}
-          transition={{ duration: 0.5, delay: index * 0.2 + 0.4 }}
-          viewport={{ once: true, margin: "-50px" }}
-        >
-          {children}
-        </motion.div>
-      </div>
-    </motion.div>
-  );
-}
diff --git a/src/i18n/ui.ts b/src/i18n/ui.ts
index 022c488..48d9bb2 100644
--- a/src/i18n/ui.ts
+++ b/src/i18n/ui.ts
@@ -9,11 +9,8 @@ export const defaultLang = 'en';
 export const ui = {
   en: {
     'nav.home': 'Home',
+    'nav.about': 'About Me', 
     'nav.projects': 'Projects',
-    'nav.experience': 'Experience',
-    'nav.skills': 'Skills',
-    'nav.awards': 'Awards',
-    'nav.education': 'Education',
     'footer.rights': 'All rights reserved.',
     'site.title': 'My Portfolio',
     'page.home.title': 'Home',
@@ -40,6 +37,20 @@ export const ui = {
     // Skills Section
     'skills.title': 'Skills',
 
+    // About Section
+    'about.title': 'About Me',
+    'about.description.paragraph1': 'I\'m a passionate developer with 5+ years of experience building web applications and contributing to open source projects. I specialize in creating clean, efficient, and maintainable code.',
+    'about.description.paragraph2': 'When I\'m not coding, you can find me exploring new technologies, writing tech articles, or enjoying a fresh cup of coffee while debugging complex problems.',
+    'about.description.paragraph3': 'I believe in continuous learning and staying up-to-date with the latest industry trends and best practices.',
+    'about.stats.repositories': 'Repositories',
+    'about.stats.commits': 'Commits',
+    'about.stats.prsmerged': 'PRs Merged',
+    'about.toolbox.title': 'My Toolbox',
+    'about.toolbox.frontend': 'Frontend',
+    'about.toolbox.backend': 'Backend',
+    'about.toolbox.devops': 'DevOps',
+    'about.toolbox.mobile': 'Mobile',
+
     // Projects Section
     'projects.title': 'Latest Projects',
     'projects.viewOnGithub': 'View on GitHub',
@@ -168,10 +179,7 @@ export const ui = {
   zh: {
     'nav.home': '首页',
     'nav.projects': '项目经历',
-    'nav.experience': '工作经历',
-    'nav.skills': '专业技能',
-    'nav.awards': '奖项荣誉',
-    'nav.education': '教育背景',
+    'nav.about': '关于我',
     'footer.rights': '版权所有。',
     'site.title': '我的作品集',
     'page.home.title': '首页',
@@ -198,6 +206,20 @@ export const ui = {
     // Skills Section
     'skills.title': '专业技能',
 
+    // About Section
+    'about.title': '关于我',
+    'about.description.paragraph1': '我是一名充满热情的开发者，拥有5年以上构建Web应用程序和参与开源项目的经验。我专注于创建简洁、高效且易于维护的代码。',
+    'about.description.paragraph2': '当我不在编程时，你可以发现我在探索新技术、撰写技术文章，或者在调试复杂问题时享受一杯新鲜的咖啡。',
+    'about.description.paragraph3': '我相信持续学习，并与最新的行业趋势和最佳实践保持同步。',
+    'about.stats.repositories': '代码仓库',
+    'about.stats.commits': '提交次数',
+    'about.stats.prsmerged': '合并请求',
+    'about.toolbox.title': '我的工具箱',
+    'about.toolbox.frontend': '前端',
+    'about.toolbox.backend': '后端',
+    'about.toolbox.devops': 'DevOps',
+    'about.toolbox.mobile': '移动端',
+
     // Projects Section
     'projects.title': '最新项目',
     'projects.viewOnGithub': '在 GitHub 上查看',
diff --git a/src/lib/data.ts b/src/lib/data.ts
index 9c2928e..6643072 100644
--- a/src/lib/data.ts
+++ b/src/lib/data.ts
@@ -6,36 +6,6 @@ export const personalInfo = {
   linkedin: "https://www.linkedin.com/in/rishikeshs/",
 };
 
-export const skills = {
-  programmingLanguages: [
-    "TypeScript",
-    "JavaScript",
-    "React",
-    "Vue",
-    "微信小程序",
-    "UniApp",
-  ],
-  frontendDevelopment: [
-    "NuxtJs",
-    "NextJs",
-    "React Native",
-    "Shadcn UI",
-    "PrimeVue",
-    "Naive-UI",
-    "Tailwind CSS",
-  ],
-  backendDevelopment: ["NodeJs", "ExpressJs", "NestJs", "FastifyJs", "HonoJs"],
-  databaseAndStorage: ["PostgreSQL", "MongoDB", "Drizzle (ORM)", "Mongoose", "Prisma"],
-  cloudAndDevOps: ["AWS", "Cloudflare", "Vercel"],
-  toolsAndServices: [
-    "Zod",
-    "BetterAuth",
-    "Clerk (Auth)",
-    "GitLab",
-    "CI/CD"
-  ],
-};
-
 export const projects = [
   {
     title: "projects.taskify.title",
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 70e232c..cd032a5 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -2,7 +2,8 @@
 import Layout from "@/layouts/Layout.astro";
 import GlassHeader from "@/components/GlassHeader";
 import HeroSection from "@/components/HeroSection";
-import SkillsSection from "@/components/SkillsSection";
+import AboutSection from "@/components/AboutSection";
+import SkillsMarquee from "@/components/SkillsMarquee";
 import ProjectsSection from "@/components/ProjectsSection";
 import Footer from "@/components/Footer";
 import { useTranslations, type Lang } from "@/i18n/utils";
@@ -17,7 +18,8 @@ const pageTitle = t('page.home.title');
   <GlassHeader lang={lang} client:only="react" />
   <main class="min-h-screen">
     <HeroSection lang={lang} client:only="react" />
-    <SkillsSection lang={lang} client:only="react" />
+    <SkillsMarquee lang={lang} client:only="react" />
+    <AboutSection lang={lang} client:only="react" />
     <ProjectsSection lang={lang} client:only="react" />
   </main>
   <Footer lang={lang} client:only="react" />
diff --git a/src/pages/zh/index.astro b/src/pages/zh/index.astro
index 3c3d2b6..dd784ea 100644
--- a/src/pages/zh/index.astro
+++ b/src/pages/zh/index.astro
@@ -2,7 +2,8 @@
 import Layout from "@/layouts/Layout.astro";
 import GlassHeader from "@/components/GlassHeader.tsx";
 import HeroSection from "@/components/HeroSection.tsx";
-import SkillsSection from "@/components/SkillsSection.tsx";
+import AboutSection from "@/components/AboutSection.tsx";
+import SkillsMarquee from "@/components/SkillsMarquee.tsx";
 import ProjectsSection from "@/components/ProjectsSection.tsx";
 import Footer from "@/components/Footer.tsx";
 import { useTranslations } from "@/i18n/utils";
@@ -16,7 +17,8 @@ const pageTitle = t('page.home.title');
   <GlassHeader lang={lang} client:only="react" />
   <main class="min-h-screen">
     <HeroSection lang={lang} client:only="react" />
-    <SkillsSection lang={lang} client:only="react" />
+    <SkillsMarquee lang={lang} client:only="react" />
+    <AboutSection lang={lang} client:only="react" />
     <ProjectsSection lang={lang} client:only="react" />
   </main>
   <Footer lang={lang} client:load />