diff --git a/css/about.css b/css/about.css
index 3403fcc..1475095 100644
--- a/css/about.css
+++ b/css/about.css
@@ -41,14 +41,6 @@
     --glass-border: rgba(255, 255, 255, 0.12);
 }
 
-:root.theme-night {
-    --grad-a: #101216;
-    --grad-b: #171a1f;
-    --text-strong: #F2F3F5;
-    --text-soft: rgba(255, 255, 255, 0.9);
-    --glass-alpha: 0.14;
-    --glass-border: rgba(255, 255, 255, 0.16);
-}
 
 .theme-day .nav-logo {
     color: var(--text-strong);
@@ -701,6 +693,11 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     }
 }
 
+@keyframes softPulse {
+    0%, 100% { transform: scale(1); }
+    50% { transform: scale(1.05); }
+}
+
 .profile-info h1 {
     margin: 0 0 0.5rem 0;
     font-size: 2rem;
@@ -798,31 +795,19 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     color: var(--text-strong); /* 使用主题文字颜色 */
 }
 
-.profile-avatar {
-    position: relative;
-    display: inline-block;
-    margin-bottom: 2rem;
-}
 
 .hero-title {
     font-size: 4rem;
     font-weight: 800;
+    color: #2c3e50;
     margin-bottom: 1rem;
     background: linear-gradient(45deg, #fff, #e0e0e0);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
-    animation: titleGlow 3s ease-in-out infinite;
-    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
+    animation: titleGlow 3s ease-in-out infinite alternate;
 }
 
-.hero-subtitle {
-    font-size: 1.4rem;
-    color: rgba(255, 255, 255, 0.9);
-    margin-bottom: 1.5rem;
-    font-weight: 500;
-    opacity: 0.9;
-}
 
 .hero-description {
     margin-bottom: 2rem;
@@ -840,10 +825,6 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     display: inline-block;
 }
 
-.avatar-image:hover {
-    transform: scale(1.05);
-    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
-}
 
 .avatar-ring {
     position: absolute;
@@ -866,18 +847,6 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     }
 }
 
-.hero-title {
-    font-size: 4rem;
-    font-weight: 800;
-    color: #2c3e50;
-    margin-bottom: 1rem;
-    background: linear-gradient(45deg, #fff, #e0e0e0);
-    -webkit-background-clip: text;
-    -webkit-text-fill-color: transparent;
-    background-clip: text;
-    animation: titleGlow 3s ease-in-out infinite alternate;
-}
-
 @keyframes titleGlow {
     from {
         filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.5));
@@ -911,7 +880,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     font-size: 1rem;
     font-weight: 700;
     box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
-    animation: pulse 2s infinite;
+    animation: softPulse 2s infinite;
     border: 1px solid rgba(255, 255, 255, 0.18);
 }
 
@@ -972,44 +941,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     opacity: 0.8;
 }
 
-/* 技术栈云图 - INFJ风格设计 */
-.tech-cloud-section {
-    padding: 8rem 2rem;
-    background: rgba(255, 255, 255, 0.05);
-    backdrop-filter: blur(10px);
-    -webkit-backdrop-filter: blur(10px);
-    border-radius: 50px;
-    margin: 2rem;
-    border: 1px solid rgba(255, 255, 255, 0.18);
-    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
-    position: relative;
-    overflow: hidden;
-}
 
-.tech-cloud-section::before {
-    content: '';
-    position: absolute;
-    top: 0;
-    left: 0;
-    right: 0;
-    bottom: 0;
-    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
-    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
-    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
-    pointer-events: none;
-}
-
-@keyframes gradientShift {
-    0% {
-        background-position: 0% 50%;
-    }
-    50% {
-        background-position: 100% 50%;
-    }
-    100% {
-        background-position: 0% 50%;
-    }
-}
 
 /* 标签浮动动画 - 仅在非球体模式下使用 */
 @keyframes cloudFloat {
@@ -1137,11 +1069,6 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     }
 }
 
-.cloud-tag {
-    flex-shrink: 0;
-    margin: 0 5px;
-}
-
 
 /* 标签云标签 */
 .cloud-tag {
@@ -1382,39 +1309,10 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 .timeline-item {
     display: flex;
     align-items: center;
-    margin-bottom: 4rem;
+    margin-bottom: 3rem;
     position: relative;
 }
 
-/* 在移动端保持单列布局 */
-@media (max-width: 768px) {
-    .personality-timeline::before {
-        left: 30px;
-    }
-
-    .timeline-item {
-        flex-direction: row !important;
-        padding-left: 80px;
-    }
-
-    .timeline-icon {
-        position: absolute;
-        left: 0;
-        width: 60px;
-        height: 60px;
-        font-size: 1.5rem;
-    }
-
-    .timeline-content {
-        margin: 0;
-        margin-left: 1rem;
-    }
-}
-
-.timeline-item:nth-child(even) {
-    flex-direction: row-reverse;
-}
-
 .timeline-icon {
     width: 90px;
     height: 90px;
@@ -1477,7 +1375,40 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     font-weight: 500;
 }
 
+/* PC端保持左右交错布局 */
+@media (min-width: 769px) {
+    .timeline-item:nth-child(even) {
+        flex-direction: row-reverse;
+    }
+}
+
+/* 在移动端保持单列布局 */
+@media (max-width: 768px) {
+    .personality-timeline::before {
+        left: 30px;
+    }
+
+    .timeline-item {
+        flex-direction: row !important;
+        padding-left: 80px;
+    }
+
+    .timeline-icon {
+        position: absolute;
+        left: 0;
+        width: 60px;
+        height: 60px;
+        font-size: 1.5rem;
+    }
+
+    .timeline-content {
+        margin: 0;
+        margin-left: 1rem;
+    }
+}
+
 /* GitHub项目展示 */
+
 .github-showcase-section {
     padding: 8rem 2rem;
     background: rgba(255, 255, 255, 0.05);
@@ -1581,6 +1512,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 }
 
 /* 博客瀑布流 */
+
 .blog-waterfall-section {
     padding: 8rem 2rem;
     background: rgba(255, 255, 255, 0.05);
@@ -1680,6 +1612,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 }
 
 /* 联系方式轨道 - 循环随机围绕动画 */
+
 .contact-floating-section {
     padding: 8rem 2rem;
     position: relative;
@@ -1702,8 +1635,8 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     right: 0;
     bottom: 0;
     background: radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
-    radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
-    radial-gradient(circle at 40% 80%, rgba(155, 89, 182, 0.1) 0%, transparent 50%);
+            radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
+            radial-gradient(circle at 40% 80%, rgba(155, 89, 182, 0.1) 0%, transparent 50%);
     pointer-events: none;
     z-index: 1;
     border-radius: 50px;
@@ -1746,6 +1679,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 }
 
 /* 社交卡片 */
+
 .social-card {
     background: rgba(255, 255, 255, var(--glass-alpha));
     backdrop-filter: blur(var(--glass-blur));
@@ -1835,6 +1769,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 }
 
 /* 轨道围绕动画 - 每个卡片不同的轨道路径，优化避免碰撞 */
+
 .social-card:nth-child(1) {
     animation: orbit1 20s linear infinite;
 }
@@ -1945,6 +1880,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 }
 
 /* 微信弹窗样式 */
+
 .modal {
     position: fixed;
     z-index: 1000;
@@ -2000,6 +1936,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 }
 
 /* 评论系统 */
+
 .comments-section {
     padding: 8rem 2rem;
     background: rgba(255, 255, 255, 0.05);
@@ -2037,6 +1974,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 }
 
 /* 加载动画 */
+
 .loading-placeholder {
     text-align: center;
     padding: 4rem 2rem;
@@ -2223,7 +2161,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     @keyframes orbit6 {
     }
 
-    /* 移动端英雄区域重构 */
+    
     .hero-container {
         grid-template-columns: 1fr;
         text-align: center;
@@ -2439,6 +2377,7 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
 }
 
 /* 页脚样式 - 首页风格 */
+
 .footer {
     background: rgba(0, 0, 0, 0.2);
     color: rgba(255, 255, 255, 0.8);
@@ -2593,4 +2532,6 @@ a:not(.nav-logo):not(.nav-links a):not(.social-link):not(.btn):not(.footer-info
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
-}
\ No newline at end of file
+}
+
+/* 文件末尾 */
diff --git a/js/about.js b/js/about.js
index 773398d..dec40a6 100644
--- a/js/about.js
+++ b/js/about.js
@@ -155,35 +155,7 @@ function displayGitHubProfile(data) {
     $('#github-profile').html(profileHtml);
     $('#github-repos').text(data.public_repos);
     $('#github-followers').text(data.followers);
-    
-    // 获取提交统计（使用GitHub API的限制，这里模拟数据）
-    var commitsHtml = '<div class="commits-stats">' +
-        '<h3>提交统计</h3>' +
-        '<div class="commits-chart">' +
-            '<div class="commit-item">' +
-                '<span class="commit-date">本周</span>' +
-                '<div class="commit-bar">' +
-                    '<div class="commit-fill" style="width: 80%"></div>' +
-                '</div>' +
-                '<span class="commit-count">24</span>' +
-            '</div>' +
-            '<div class="commit-item">' +
-                '<span class="commit-date">本月</span>' +
-                '<div class="commit-bar">' +
-                    '<div class="commit-fill" style="width: 65%"></div>' +
-                '</div>' +
-                '<span class="commit-count">156</span>' +
-            '</div>' +
-            '<div class="commit-item">' +
-                '<span class="commit-date">今年</span>' +
-                '<div class="commit-bar">' +
-                    '<div class="commit-fill" style="width: 90%"></div>' +
-                '</div>' +
-                '<span class="commit-count">1,247</span>' +
-            '</div>' +
-        '</div>' +
-    '</div>';
-    $('#github-commits').html(commitsHtml);
+    initCommitStats(data.login || 'listener-He');
 }
 
 // 优质项目展示
@@ -1045,3 +1017,90 @@ function updateTechTagColors() {
         }
     });
 }
+function initCommitStats(username) {
+    var cacheKey = 'github_commits_cache';
+    var cacheTimeKey = 'github_commits_cache_time';
+    var now = new Date().getTime();
+    var oneDay = 24 * 60 * 60 * 1000;
+    var cached = localStorage.getItem(cacheKey);
+    var cachedTime = localStorage.getItem(cacheTimeKey);
+    if (cached && cachedTime && (now - parseInt(cachedTime)) < oneDay) {
+        renderCommitStats(JSON.parse(cached));
+        return;
+    }
+    localStorage.removeItem(cacheKey);
+    localStorage.removeItem(cacheTimeKey);
+    fetchCommitCounts(username).then(function(stats){
+        localStorage.setItem(cacheKey, JSON.stringify(stats));
+        localStorage.setItem(cacheTimeKey, now.toString());
+        renderCommitStats(stats);
+    }).catch(function(){
+        fetch('data/github_commits.json')
+            .then(function(res){ return res.json(); })
+            .then(function(json){ renderCommitStats(json); })
+            .catch(function(){ renderCommitStats({week:0,month:0,year:0}); });
+    });
+}
+
+function fetchCommitCounts(username) {
+    function fmt(d){
+        var y=d.getFullYear();
+        var m=('0'+(d.getMonth()+1)).slice(-2);
+        var s=('0'+d.getDate()).slice(-2);
+        return y+'-'+m+'-'+s;
+    }
+    var today = new Date();
+    var weekStart = new Date(today.getFullYear(), today.getMonth(), today.getDate()-6);
+    var monthStart = new Date(today.getFullYear(), today.getMonth(), today.getDate()-29);
+    var yearStart = new Date(today.getFullYear(), 0, 1);
+    var h = { 'Accept': 'application/vnd.github.cloak-preview+json' };
+    function q(start,end){
+        var url = 'https://api.github.com/search/commits?q=author:'+encodeURIComponent(username)+'+author-date:'+fmt(start)+'..'+fmt(end);
+        return fetch(url,{ headers: h, method:'GET' }).then(function(r){ return r.json(); }).then(function(j){ return (j && typeof j.total_count==='number')? j.total_count : 0; });
+    }
+    return Promise.all([
+        q(weekStart,today),
+        q(monthStart,today),
+        q(yearStart,today)
+    ]).then(function(arr){
+        return { week: arr[0], month: arr[1], year: arr[2], range: { week:{start:fmt(weekStart),end:fmt(today)}, month:{start:fmt(monthStart),end:fmt(today)}, year:{start:fmt(yearStart),end:fmt(today)} }, generated_at: new Date().toISOString() };
+    });
+}
+
+function renderCommitStats(stats) {
+    var w = parseInt(stats.week||0,10);
+    var m = parseInt(stats.month||0,10);
+    var y = parseInt(stats.year||0,10);
+    function pct(v){
+        var p = 0;
+        if (y>0) p = Math.min(100, Math.max(5, Math.round(v*100/Math.max(y,1))));
+        return p;
+    }
+    var commitsHtml = '<div class="commits-stats">'+
+        '<h3>提交统计</h3>'+
+        '<div class="commits-chart">'+
+            '<div class="commit-item">'+
+                '<span class="commit-date">本周</span>'+
+                '<div class="commit-bar">'+
+                    '<div class="commit-fill" style="width: '+pct(w)+'%"></div>'+
+                '</div>'+
+                '<span class="commit-count">'+w+'</span>'+
+            '</div>'+
+            '<div class="commit-item">'+
+                '<span class="commit-date">本月</span>'+
+                '<div class="commit-bar">'+
+                    '<div class="commit-fill" style="width: '+pct(m)+'%"></div>'+
+                '</div>'+
+                '<span class="commit-count">'+m+'</span>'+
+            '</div>'+
+            '<div class="commit-item">'+
+                '<span class="commit-date">今年</span>'+
+                '<div class="commit-bar">'+
+                    '<div class="commit-fill" style="width: 100%"></div>'+
+                '</div>'+
+                '<span class="commit-count">'+y+'</span>'+
+            '</div>'+
+        '</div>'+
+    '</div>';
+    $('#github-commits').html(commitsHtml);
+}