diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 44a2fc7..123bae3 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -32,6 +32,9 @@ importers:
       feed:
         specifier: ^5.0.1
         version: 5.0.1
+      gsap:
+        specifier: ^3.13.0
+        version: 3.13.0
       markdown-it:
         specifier: ^14.1.0
         version: 14.1.0
@@ -2191,6 +2194,9 @@ packages:
   graphemer@1.4.0:
     resolution: {integrity: sha512-EtKwoO6kxCL9WO5xipiHTZlSzBm7WLT627TqC/uVRd0HKmq8NXyebnNYxDoBi7wt8eTWrUrKXCOVaFq9x1kgag==}
 
+  gsap@3.13.0:
+    resolution: {integrity: sha512-QL7MJ2WMjm1PHWsoFrAQH/J8wUeqZvMtHO58qdekHpCfhvhSL4gSiz6vJf5EeMP0LOn3ZCprL2ki/gjED8ghVw==}
+
   gzip-size@6.0.0:
     resolution: {integrity: sha512-ax7ZYomf6jqPTQ4+XCpUGyXKHk5WweS+e05MBO4/y3WJ5RkmPXNKvX+bx1behVILVwr6JSQvZAku021CHPXG3Q==}
     engines: {node: '>=10'}
@@ -6284,6 +6290,8 @@ snapshots:
 
   graphemer@1.4.0: {}
 
+  gsap@3.13.0: {}
+
   gzip-size@6.0.0:
     dependencies:
       duplexer: 0.1.2
diff --git a/src/components/Button.astro b/src/components/Button.astro
index 353962d..fa282f2 100644
--- a/src/components/Button.astro
+++ b/src/components/Button.astro
@@ -93,15 +93,15 @@ function setupThemeToggle() {
       }
 
       // Temporarily add markers during animation to implement view transition and disable CSS transitions
-      document.documentElement.style.setProperty('view-transition-name', 'theme-transition')
-      document.documentElement.setAttribute('data-theme-transition', '')
+      document.documentElement.style.setProperty('view-transition-name', 'animation-theme-toggle')
+      document.documentElement.setAttribute('data-theme-changing', '')
 
       // If browser supports View Transitions API, use it to update theme
       const themeTransition = document.startViewTransition(updateTheme)
       // Remove markers after animation
       themeTransition.finished.then(() => {
         document.documentElement.style.removeProperty('view-transition-name')
-        document.documentElement.removeAttribute('data-theme-transition')
+        document.documentElement.removeAttribute('data-theme-changing')
       })
     })
   })
diff --git a/src/components/Header.astro b/src/components/Header.astro
index 01ecec4..f47df3e 100644
--- a/src/components/Header.astro
+++ b/src/components/Header.astro
@@ -32,7 +32,7 @@ const SubtitleTag = isPost ? 'div' : 'h2'
     <div
       class="box-content inline-block pr-1"
       transition:name={`site-title-${currentLang}`}
-      data-disable-transition-on-theme
+      data-disable-theme-transition
     >
       <a
         id="site-title-link"
diff --git a/src/components/PostList.astro b/src/components/PostList.astro
index e13ed93..fbd1a7a 100644
--- a/src/components/PostList.astro
+++ b/src/components/PostList.astro
@@ -43,7 +43,7 @@ function getPostPath(post: Post) {
           lg={isHome ? 'font-medium text-4.5' : ''}
           href={getPostPath(post)}
           transition:name={`post-${post.data.abbrlink || post.id}-${lang}`}
-          data-disable-transition-on-theme
+          data-disable-theme-transition
         >
           {post.data.title}
         </a>
@@ -62,7 +62,7 @@ function getPostPath(post: Post) {
       <div
         class="py-0.8 text-3.5 font-time lg:hidden"
         transition:name={`time-${post.data.abbrlink || post.id}-${lang}`}
-        data-disable-transition-on-theme
+        data-disable-theme-transition
       >
         <PostDate
           date={post.data.published}
diff --git a/src/components/Widgets/FadeUpAnimation.astro b/src/components/Widgets/FadeUpAnimation.astro
new file mode 100644
index 0000000..41741ea
--- /dev/null
+++ b/src/components/Widgets/FadeUpAnimation.astro
@@ -0,0 +1,18 @@
+<script>
+function resetFadeUpAnimation() {
+  document.querySelectorAll('.animation-fade-up').forEach((container) => {
+    const childElements = Array.from(container.children).slice(0, 20)
+    childElements.forEach(element =>
+      (element as HTMLElement).style.animationName = 'none',
+    )
+    requestAnimationFrame(() => {
+      childElements.forEach(element =>
+        (element as HTMLElement).style.animationName = '',
+      )
+    })
+  })
+}
+
+resetFadeUpAnimation()
+document.addEventListener('astro:page-load', resetFadeUpAnimation)
+</script>
diff --git a/src/components/Widgets/GoBack.astro b/src/components/Widgets/GoBack.astro
index 2136edc..8109520 100644
--- a/src/components/Widgets/GoBack.astro
+++ b/src/components/Widgets/GoBack.astro
@@ -5,7 +5,7 @@ import GoBackIcon from '@/assets/icons/go-back.svg';
 <button
   id="back-button"
   class="hidden"
-  lg="block absolute c-secondary/40 left--10 top-1/2 aspect-square w-4.5 translate-y--1/2 transition-colors c-secondary active:scale-90 hover:c-primary/80"
+  lg="block absolute c-secondary/40 left--10 top-1/2 aspect-square w-4.5 translate-y--1/2 transition-colors duration-300 ease-out c-secondary active:scale-90 hover:c-primary/80"
   aria-label="Go back"
 >
   <GoBackIcon
diff --git a/src/components/Widgets/TOC.astro b/src/components/Widgets/TOC.astro
index 14c7486..9310f1a 100644
--- a/src/components/Widgets/TOC.astro
+++ b/src/components/Widgets/TOC.astro
@@ -29,7 +29,7 @@ const filteredHeadings = headings.filter(heading =>
     <div class="relative h-12 w-full">
       <label
         for="toc-toggle"
-        class="absolute inset-0 flex cursor-pointer items-center 2xl:(static flex c-secondary/40 transition-colors hover:c-secondary/80)"
+        class="absolute inset-0 flex cursor-pointer items-center 2xl:(static flex c-secondary/40 transition-colors duration-300 ease-out hover:c-secondary/80)"
       >
         <span class="toc-title">
           {currentUI.toc}
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index 109bc8d..e413ef9 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -3,11 +3,13 @@ import Button from '@/components/Button.astro'
 import Footer from '@/components/Footer.astro'
 import Header from '@/components/Header.astro'
 import Navbar from '@/components/Navbar.astro'
+import FadeUpAnimation from '@/components/Widgets/FadeUpAnimation.astro'
 import GithubCard from '@/components/Widgets/GithubCard.astro'
-// import PhotoSwipe from '@/components/Widgets/PhotoSwipe.astro'
+import PhotoSwipe from '@/components/Widgets/PhotoSwipe.astro'
 import themeConfig from '@/config'
 import Head from '@/layouts/Head.astro'
 import { getPageInfo } from '@/utils/page'
+import '@/styles/animation.css'
 import '@/styles/global.css'
 import '@/styles/font.css'
 import '@/styles/heti.css'
@@ -46,8 +48,9 @@ const MarginBottom = isPost && themeConfig.comment?.enabled
       </main>
       <Footer />
     </div>
+    <FadeUpAnimation />
     <Button supportedLangs={supportedLangs} />
     <GithubCard />
-    <!-- <PhotoSwipe /> -->
+    <PhotoSwipe />
   </body>
 </html>
diff --git a/src/pages/[...posts_slug].astro b/src/pages/[...posts_slug].astro
index aac4196..2325a9b 100644
--- a/src/pages/[...posts_slug].astro
+++ b/src/pages/[...posts_slug].astro
@@ -114,7 +114,7 @@ const { Content, headings, remarkPluginFrontmatter } = await render(post)
       <h1 class="post-title">
         <span
           transition:name={`post-${post.data.abbrlink || post.id}-${lang}`}
-          data-disable-transition-on-theme
+          data-disable-theme-transition
         >
           {post.data.title}
         </span>
@@ -125,7 +125,7 @@ const { Content, headings, remarkPluginFrontmatter } = await render(post)
     <div
       class="mb-16.3 block c-primary font-time"
       transition:name={`time-${post.data.abbrlink || post.id}-${lang}`}
-      data-disable-transition-on-theme
+      data-disable-theme-transition
     >
       <PostDate
         date={post.data.published}
@@ -136,7 +136,9 @@ const { Content, headings, remarkPluginFrontmatter } = await render(post)
     <!-- TOC -->
     {post.data.toc && <TOC headings={headings} />}
     <!-- Content -->
-    <Content />
+     <div class="animation-fade-up">
+      <Content />
+    </div>
   </article>
 
   <!-- Tags -->
diff --git a/src/styles/animation.css b/src/styles/animation.css
new file mode 100644
index 0000000..6fd31ba
--- /dev/null
+++ b/src/styles/animation.css
@@ -0,0 +1,74 @@
+/* View Transition */
+::view-transition-new(animation-theme-toggle) {
+  animation: reveal 1s cubic-bezier(0.4, 0, 0.2, 1);
+  clip-path: inset(0 0 0 0);
+  z-index: 99;
+}
+::view-transition-old(animation-theme-toggle) {
+  animation: none;
+  z-index: -1;
+}
+@keyframes reveal {
+  from {
+    clip-path: inset(var(--from));
+  }
+}
+
+html.dark {
+  --from: 0 0 100% 0;
+}
+html:not(.dark) {
+  --from: 100% 0 0 0;
+}
+
+/* Disable animations for special elements during theme switching */
+html[data-theme-changing] [data-disable-theme-transition] {
+  view-transition-name: none !important;
+}
+
+/* Fallback animation when view-transition-name is not supported */
+@supports not (view-transition-name: none) {
+  html {
+    --at-apply: 'transition-colors duration-300 ease-out';
+  }
+}
+
+/* Fade Up Animation >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> */
+@keyframes fadeUp {
+  from {
+    opacity: 0;
+    transform: translateY(3rem);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.animation-fade-up > * {
+  opacity: 0;
+}
+.animation-fade-up > *:nth-child(-n+20) {
+  animation: fadeUp 1.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
+  animation-delay: calc((var(--animation-order, 0) - 1) * 0.08s);
+}
+.animation-fade-up > *:nth-child(1) { --animation-order: 1; }
+.animation-fade-up > *:nth-child(2) { --animation-order: 2; }
+.animation-fade-up > *:nth-child(3) { --animation-order: 3; }
+.animation-fade-up > *:nth-child(4) { --animation-order: 4; }
+.animation-fade-up > *:nth-child(5) { --animation-order: 5; }
+.animation-fade-up > *:nth-child(6) { --animation-order: 6; }
+.animation-fade-up > *:nth-child(7) { --animation-order: 7; }
+.animation-fade-up > *:nth-child(8) { --animation-order: 8; }
+.animation-fade-up > *:nth-child(9) { --animation-order: 9; }
+.animation-fade-up > *:nth-child(10) { --animation-order: 10; }
+.animation-fade-up > *:nth-child(11) { --animation-order: 11; }
+.animation-fade-up > *:nth-child(12) { --animation-order: 12; }
+.animation-fade-up > *:nth-child(13) { --animation-order: 13; }
+.animation-fade-up > *:nth-child(14) { --animation-order: 14; }
+.animation-fade-up > *:nth-child(15) { --animation-order: 15; }
+.animation-fade-up > *:nth-child(16) { --animation-order: 16; }
+.animation-fade-up > *:nth-child(17) { --animation-order: 17; }
+.animation-fade-up > *:nth-child(18) { --animation-order: 18; }
+.animation-fade-up > *:nth-child(19) { --animation-order: 19; }
+.animation-fade-up > *:nth-child(20) { --animation-order: 20; }
diff --git a/src/styles/extend.css b/src/styles/extend.css
index 0aa515d..16e9947 100644
--- a/src/styles/extend.css
+++ b/src/styles/extend.css
@@ -1,7 +1,7 @@
 /* GitHub Card */
 .gc-container {
   --at-apply: 'block mb-4 px-5 py-4 overflow-x-auto uno-round-border bg-secondary/5';
-  --at-apply: 'transition-colors lg:(px-6 py-5) hover:(bg-secondary/10 c-primary)';
+  --at-apply: 'transition-colors duration-300 ease-out lg:(px-6 py-5) hover:(bg-secondary/10 c-primary)';
   scrollbar-color: oklch(var(--un-preset-theme-colors-secondary) / 0.15) transparent;
 }
 
diff --git a/src/styles/global.css b/src/styles/global.css
index a33e156..8573ced 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -30,7 +30,7 @@ h4:hover .heading-anchor-link svg {
   --at-apply: 'op-80';
 }
 .heading-anchor-link svg {
-  --at-apply: 'ml-0.4em aspect-square w-0.9em op-0 transition-opacity active:scale-90';
+  --at-apply: 'ml-0.4em aspect-square w-0.9em op-0 transition-opacity duration-300 ease-out active:scale-90';
 }
 h1:hover .heading-anchor-link svg:hover,
 h2:hover .heading-anchor-link svg:hover,
@@ -65,41 +65,6 @@ h4:hover .heading-anchor-link svg:hover {
   }
 }
 
-/* View Transition with Theme Toggle >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> */
-::view-transition-new(theme-transition) {
-  animation: reveal 1s cubic-bezier(0.4, 0, 0.2, 1);
-  clip-path: inset(0 0 0 0);
-  z-index: 99;
-}
-::view-transition-old(theme-transition) {
-  animation: none;
-  z-index: -1;
-}
-@keyframes reveal {
-  from {
-    clip-path: inset(var(--from));
-  }
-}
-
-html.dark {
-  --from: 0 0 100% 0;
-}
-html:not(.dark) {
-  --from: 100% 0 0 0;
-}
-
-/* Disable animations for other elements during theme switching */
-html[data-theme-transition] [data-disable-transition-on-theme] {
-  view-transition-name: none !important;
-}
-
-/* Fallback animation when view-transition-name is not supported */
-@supports not (view-transition-name: none) {
-  html:not([data-restore-theme]) {
-    --at-apply: 'transition-colors duration-300 ease-out';
-  }
-}
-
 /* Snell Roundhand Static Font >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> */
 @font-face {
   font-family: "Snell-Bold";
diff --git a/src/styles/heti.css b/src/styles/heti.css
index e8922d5..140fb3c 100644
--- a/src/styles/heti.css
+++ b/src/styles/heti.css
@@ -60,7 +60,7 @@
 /* Links */
 .heti :where(a:not(.gc-container)) {
   --at-apply: 'break-all font-semibold tracking-0 underline underline-0.075em decoration-secondary/80 underline-offset-0.1em';
-  --at-apply: 'transition-colors hover:(c-primary decoration-primary/80) lg:underline-0.1em';
+  --at-apply: 'transition-colors duration-300 ease-out hover:(c-primary decoration-primary/80) lg:underline-0.1em';
 }
 
 /* Images */
diff --git a/uno.config.ts b/uno.config.ts
index 6d9f61e..bfe3eba 100644
--- a/uno.config.ts
+++ b/uno.config.ts
@@ -56,7 +56,7 @@ export default defineConfig({
   ],
   shortcuts: {
     'uno-desktop-column': 'fixed right-[max(5rem,calc(50vw-35rem))] w-14rem',
-    'uno-tags-style': 'inline-block whitespace-nowrap border border-secondary/25 rounded-full px-3.2 py-0.7 c-secondary transition-colors hover:(border-secondary/80 text-primary)',
+    'uno-tags-style': 'inline-block whitespace-nowrap border border-secondary/25 rounded-full px-3.2 py-0.7 c-secondary transition-colors duration-300 ease-out hover:(border-secondary/80 text-primary)',
     'uno-decorative-line': 'mb-4.5 h-0.25 w-10 bg-secondary/25 lg:(mb-6 w-11)',
     'uno-tags-wrapper': 'flex flex-wrap gap-x-3 gap-y-3.2',
     'uno-round-border': 'border border-secondary/5 rounded border-solid',