diff --git a/.vitepress/theme/components/Header.vue b/.vitepress/theme/components/Header.vue
index 62a3ac4..a14c3af 100644
--- a/.vitepress/theme/components/Header.vue
+++ b/.vitepress/theme/components/Header.vue
@@ -13,31 +13,29 @@ onMounted(() => {
 
 <template>
   <header>
-    <div class="header">
-      <svg width="0" height="0">
-        <filter id="noise-filter">
-          <feTurbulence type="fractalNoise" baseFrequency="1" numOctaves="5" :seed="seed" result="noise" />
-          <feColorMatrix type="saturate" values="0" result="desaturatedNoise" />
-          <feComponentTransfer>
-            <feFuncR type="discrete" tableValues="0 1" />
-            <feFuncG type="discrete" tableValues="0 1" />
-            <feFuncB type="discrete" tableValues="0 1" />
-            <feFuncA type="discrete" tableValues="1 1" />
-          </feComponentTransfer>
-        </filter>
-      </svg>
-      <div id="header-hero-container">
-        <span id="header-hero-headline">{{ frontmatter.title ? frontmatter.title : page.title }}</span>
-        <span id="header-hero-subtitle">{{ frontmatter.description }}</span>
-        <div id="header-impression">
-          <div id="header-impression-noise"></div>
-          <div
-            id="header-impression-image"
-            :style="{ backgroundImage: frontmatter.impression ? `url('${frontmatter.impression}')` : `url('${defaultImpression}')` }"
-            :impression-color="frontmatter.color"
-            loading="lazy"
-          ></div>
-        </div>
+    <div id="header-hero-container">
+      <span id="header-hero-headline">{{ frontmatter.title ? frontmatter.title : page.title }}</span>
+      <span id="header-hero-subtitle">{{ frontmatter.description }}</span>
+      <div id="header-impression">
+        <svg width="0" height="0">
+          <filter id="noise-filter">
+            <feTurbulence type="fractalNoise" baseFrequency="1" numOctaves="5" :seed="seed" result="noise" />
+            <feColorMatrix type="saturate" values="0" result="desaturatedNoise" />
+            <feComponentTransfer>
+              <feFuncR type="discrete" tableValues="0 1" />
+              <feFuncG type="discrete" tableValues="0 1" />
+              <feFuncB type="discrete" tableValues="0 1" />
+              <feFuncA type="discrete" tableValues="1 1" />
+            </feComponentTransfer>
+          </filter>
+        </svg>
+        <div id="header-impression-noise"></div>
+        <div
+          id="header-impression-image"
+          :style="{ backgroundImage: frontmatter.impression ? `url('${frontmatter.impression}')` : `url('${defaultImpression}')` }"
+          :impression-color="frontmatter.color"
+          loading="lazy"
+        ></div>
       </div>
     </div>
   </header>
@@ -47,7 +45,9 @@ onMounted(() => {
 @use "sass:meta";
 @use "../styles/mixin";
 
-.header {
+header {
+  grid-column: 1 / 13;
+
   position: relative;
 
   height: 540px;
diff --git a/.vitepress/theme/components/PageIndicator.vue b/.vitepress/theme/components/PageIndicator.vue
new file mode 100644
index 0000000..9c2cb9c
--- /dev/null
+++ b/.vitepress/theme/components/PageIndicator.vue
@@ -0,0 +1,203 @@
+<script setup lang="ts">
+import { ref, computed, toRefs, onMounted, onBeforeUnmount, nextTick, watch } from "vue";
+import { useGlobalData } from "../composables/useGlobalData";
+
+const { page, frontmatter } = useGlobalData();
+const props = defineProps<{ headings: Array<{ id: string; text: string; level: number }>; activeId: string }>();
+const emit = defineEmits<{
+  (e: "navigate", id: string): void;
+}>();
+const { headings, activeId } = toRefs(props);
+const grouped = computed(() => headings.value || []);
+const navRef = ref<HTMLElement | null>(null);
+const indicator = ref({ top: "0px", left: "0px", width: "100%", height: "0px", opacity: 0 });
+
+let ro: ResizeObserver | null = null;
+let mo: MutationObserver | null = null;
+
+function scrollToId(id: string) {
+  if (typeof window === "undefined") return;
+
+  const el = document.getElementById(id);
+  if (el) {
+    el.scrollIntoView({ behavior: "smooth", block: "start" });
+    history.replaceState(null, "", `#${id}`);
+  }
+}
+
+function navigateTo(id: string) {
+  emit("navigate", id);
+  scrollToId(id);
+}
+
+function updateIndicator() {
+  if (typeof window === "undefined") return;
+
+  const nav = navRef.value;
+  if (!nav) return;
+
+  const id = activeId.value as unknown as string;
+
+  if (!id) {
+    indicator.value.opacity = 0;
+    return;
+  }
+
+  const spanBlock = nav.querySelector(`span[data-id="${CSS.escape(id)}"]`) as HTMLElement | null;
+
+  if (!spanBlock || !spanBlock.offsetParent) {
+    indicator.value.opacity = 0;
+    return;
+  }
+
+  const conRect = nav.getBoundingClientRect();
+  const spbRect = spanBlock.getBoundingClientRect();
+
+  const left = `${spbRect.left - conRect.left}px`;
+  const top = `${spbRect.top - conRect.top}px`;
+  const width = `${spbRect.width}px`;
+  const height = `${spbRect.height}px`;
+
+  indicator.value = { top, left, width, height, opacity: 0.5 };
+}
+
+if (typeof window !== "undefined") {
+  onMounted(() => {
+    window.addEventListener("resize", updateIndicator, { passive: true });
+
+    nextTick(() => updateIndicator());
+
+    if ((window as any).ResizeObserver) {
+      ro = new ResizeObserver(() => updateIndicator());
+      if (navRef.value) {
+        ro.observe(navRef.value);
+        navRef.value.querySelectorAll("[data-id]").forEach((el) => ro!.observe(el as Element));
+      }
+    }
+
+    if ((window as any).MutationObserver && navRef.value) {
+      mo = new MutationObserver(() => {
+        nextTick(() => {
+          updateIndicator();
+          if (ro && navRef.value) {
+            navRef.value.querySelectorAll("[data-id]").forEach((el) => ro!.observe(el as Element));
+          }
+        });
+      });
+      mo.observe(navRef.value, { childList: true, subtree: true });
+    }
+  });
+
+  onBeforeUnmount(() => {
+    window.removeEventListener("resize", updateIndicator);
+
+    if (ro) {
+      ro.disconnect();
+      ro = null;
+    }
+
+    if (mo) {
+      mo.disconnect();
+      mo = null;
+    }
+  });
+
+  watch(
+    () => activeId.value,
+    () => {
+      nextTick(() => updateIndicator());
+    }
+  );
+
+  watch(
+    () => grouped.value,
+    () => {
+      nextTick(() => updateIndicator());
+    }
+  );
+}
+</script>
+
+<template>
+  <div class="page-indicator" aria-label="页面目录" ref="navRef">
+    <p>在此页上</p>
+    <h3>{{ frontmatter.title ? frontmatter.title : page.title }}</h3>
+
+    <div
+      class="indicator"
+      :style="{ top: indicator.top, left: indicator.left, width: indicator.width, height: indicator.height, opacity: indicator.opacity }"
+      aria-hidden="true"
+    ></div>
+
+    <div class="indicator-container">
+      <span v-for="h in grouped" :key="h.id" :data-id="h.id" :class="[{ active: h.id === activeId }]">
+        <a :href="`#${h.id}`" @click.prevent="navigateTo(h.id)" role="link" :aria-current="h.id === activeId ? 'true' : undefined">{{ h.text }}</a>
+      </span>
+    </div>
+  </div>
+</template>
+
+<style scoped lang="scss">
+@use "../styles/mixin";
+
+.page-indicator {
+  .indicator {
+    position: absolute;
+
+    border: 1px solid var(--md-sys-color-primary);
+    border-radius: var(--md-sys-shape-corner-extra-extra-large);
+
+    pointer-events: none;
+    transition: var(--md-sys-motion-spring-fast-spatial-duration) var(--md-sys-motion-spring-fast-spatial);
+  }
+
+  p {
+    @include mixin.typescale-style("label-small");
+
+    margin-inline-start: 18px;
+  }
+
+  h3 {
+    margin-inline-start: 18px;
+    padding-block-end: 18px;
+
+    font-variation-settings: "wght" 600;
+  }
+
+  .indicator-container {
+    display: flex;
+    flex-direction: column;
+    flex-wrap: nowrap;
+
+    span {
+      width: 100%;
+
+      border-radius: var(--md-sys-shape-corner-extra-extra-large);
+
+      a {
+        @include mixin.typescale-style("label-large");
+
+        width: 100%;
+
+        padding-inline: 18px;
+        padding-block: 9px;
+
+        color: var(--md-sys-color-on-surface);
+        font-variation-settings: "wght" 200;
+        text-decoration: none;
+
+        transition: var(--md-sys-motion-spring-fast-effect-duration) var(--md-sys-motion-spring-fast-effect);
+      }
+
+      &.active > a {
+        color: var(--md-sys-color-primary);
+        font-variation-settings: "wght" 700;
+      }
+
+      &:hover {
+        background-color: var(--md-sys-color-surface-dim);
+      }
+    }
+  }
+}
+</style>
diff --git a/.vitepress/theme/layouts/AllPosts.vue b/.vitepress/theme/layouts/AllPosts.vue
index 92ea090..5e4f2b6 100644
--- a/.vitepress/theme/layouts/AllPosts.vue
+++ b/.vitepress/theme/layouts/AllPosts.vue
@@ -18,6 +18,8 @@ const posts = useAllPosts();
 @use "../styles/mixin";
 
 .page-all-posts {
+  grid-column: 1 / 13;
+
   .posts-card a {
     @include mixin.typescale-style("headline-small");
   }
diff --git a/.vitepress/theme/layouts/Article.vue b/.vitepress/theme/layouts/Article.vue
index d8fce34..89214c9 100644
--- a/.vitepress/theme/layouts/Article.vue
+++ b/.vitepress/theme/layouts/Article.vue
@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import Header from "../components/Header.vue";
-import { onMounted } from "vue";
+import PageIndicator from "../components/PageIndicator.vue";
+import { onMounted, onBeforeUnmount, ref } from "vue";
 
 function copyAnchorLink(this: HTMLElement) {
   const anchor = this as HTMLAnchorElement;
@@ -18,346 +19,472 @@ function copyAnchorLink(this: HTMLElement) {
   }
 }
 
-onMounted(() => {
-  const anchors = document.querySelectorAll<HTMLAnchorElement>("a.title-anchor");
-  anchors.forEach((anchor) => {
-    anchor.addEventListener("click", copyAnchorLink);
+const headings = ref<Array<{ id: string; text: string; level: number }>>([]);
+const activeId = ref<string>("");
+
+let observer: IntersectionObserver | null = null;
+let lockedId: string | null = null;
+let unlockTimer: number | null = null;
+
+function onNavigate(id: string) {
+  lockedId = id;
+  activeId.value = id;
+  if (unlockTimer) {
+    window.clearTimeout(unlockTimer);
+  }
+  unlockTimer = window.setTimeout(() => {
+    lockedId = null;
+    unlockTimer = null;
+  }, 1200);
+}
+
+function collectHeadings() {
+  if (typeof window === "undefined") return;
+  const nodes = Array.from(document.querySelectorAll("h1[id], h2[id]")) as HTMLElement[];
+  headings.value = nodes.map((n) => ({ id: n.id, text: n.textContent?.trim() || n.id, level: +n.tagName.replace("H", "") }));
+}
+
+function createObserver() {
+  if (observer) observer.disconnect();
+
+  const visible = new Map<string, IntersectionObserverEntry>();
+
+  observer = new IntersectionObserver(
+    (entries) => {
+      entries.forEach((entry) => {
+        const id = (entry.target as HTMLElement).id;
+        if (entry.isIntersecting) {
+          visible.set(id, entry);
+        } else {
+          visible.delete(id);
+        }
+      });
+
+      if (visible.size === 0) return;
+
+      if (lockedId) {
+        activeId.value = lockedId;
+        return;
+      }
+
+      let bestId: string | null = null;
+      let bestScore = -Infinity;
+      visible.forEach((entry, id) => {
+        const ratio = entry.intersectionRatio || 0;
+        const top = entry.boundingClientRect.top;
+        const score = ratio * 10000 - top;
+        if (score > bestScore) {
+          bestScore = score;
+          bestId = id;
+        }
+      });
+
+      if (bestId) activeId.value = bestId;
+    },
+    { root: null, rootMargin: "-20% 0px -60% 0px", threshold: [0, 0.1, 0.5, 1] }
+  );
+
+  headings.value.forEach((h) => {
+    const el = document.getElementById(h.id);
+    if (el) observer?.observe(el);
   });
-});
+}
+
+const resizeHandler = () => {
+  collectHeadings();
+  createObserver();
+};
+
+if (typeof window !== "undefined") {
+  onMounted(() => {
+    collectHeadings();
+    createObserver();
+
+    const anchors = document.querySelectorAll<HTMLAnchorElement>("a.title-anchor");
+    anchors.forEach((anchor) => {
+      anchor.addEventListener("click", copyAnchorLink);
+    });
+
+    window.addEventListener("resize", resizeHandler);
+
+    window.addEventListener("hashchange", () => {
+      collectHeadings();
+      createObserver();
+    });
+    window.addEventListener("popstate", () => {
+      collectHeadings();
+      createObserver();
+    });
+  });
+
+  onBeforeUnmount(() => {
+    observer?.disconnect();
+    observer = null;
+
+    window.removeEventListener("resize", resizeHandler);
+    window.removeEventListener("hashchange", () => {
+      collectHeadings();
+      createObserver();
+    });
+
+    window.removeEventListener("popstate", () => {
+      collectHeadings();
+      createObserver();
+    });
+
+    if (unlockTimer) {
+      window.clearTimeout(unlockTimer);
+      unlockTimer = null;
+    }
+  });
+}
 </script>
 
 <template>
-  <article>
-    <Header />
-    <section>
-      <Content />
-    </section>
-  </article>
+  <Header />
+  <section>
+    <Content />
+  </section>
+  <section>
+    <PageIndicator :headings="headings" :activeId="activeId" @navigate="onNavigate" />
+  </section>
 </template>
 
 <style lang="scss">
 @use "../styles/mixin";
 
-article {
-  width: 100%;
+section {
+  &:nth-of-type(1) {
+    display: flex;
+    grid-column: 1 / 10;
 
-  section {
-    &:nth-of-type(1) {
-      .title-with-achor {
-        position: relative;
+    margin-inline-start: 24px;
 
-        a.title-anchor {
-          @include mixin.typescale-style("body-large");
+    & > div {
+      width: 100%;
+    }
 
-          display: flex;
-          align-items: center;
-          flex-direction: column;
-          gap: 3px;
+    .title-with-achor {
+      position: relative;
 
-          position: absolute;
-          left: -55px;
-          top: 0px;
+      a.title-anchor {
+        @include mixin.typescale-style("body-large");
+
+        display: flex;
+        align-items: center;
+        flex-direction: column;
+        gap: 3px;
+
+        position: absolute;
+        left: -55px;
+        top: 0px;
+
+        height: 40px;
+        width: 40px;
+
+        color: var(--md-sys-color-on-surface);
+
+        opacity: 0;
+        transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
+
+        span:nth-of-type(1) {
+          @include mixin.material-symbols($size: 24);
+
+          display: block;
 
           height: 40px;
           width: 40px;
 
-          color: var(--md-sys-color-on-surface);
+          text-align: center;
+          line-height: 40px;
+
+          border-radius: var(--md-sys-shape-corner-full);
+
+          background-color: transparent;
 
           opacity: 0;
-          transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
+        }
+
+        span.visually-hidden {
+          @include mixin.typescale-style("label-medium");
+
+          padding-block: 3px;
+          padding-inline: 6px;
+
+          word-break: keep-all;
+
+          border-radius: var(--md-sys-shape-corner-small);
+
+          background-color: var(--md-sys-color-surface-container-low);
+
+          opacity: 0;
+          visibility: hidden;
+        }
+      }
+
+      h1,
+      h2,
+      h3,
+      h4,
+      h5,
+      h6 {
+        margin-block: 24px 12px;
+      }
+
+      &:hover {
+        a.title-anchor {
+          opacity: 1;
 
           span:nth-of-type(1) {
-            @include mixin.material-symbols($size: 24);
-
-            display: block;
-
-            height: 40px;
-            width: 40px;
-
-            text-align: center;
-            line-height: 40px;
-
-            border-radius: var(--md-sys-shape-corner-full);
-
-            background-color: transparent;
-
-            opacity: 0;
-          }
-
-          span.visually-hidden {
-            @include mixin.typescale-style("label-medium");
-
-            padding-block: 3px;
-            padding-inline: 6px;
-
-            word-break: keep-all;
-
-            border-radius: var(--md-sys-shape-corner-small);
-
-            background-color: var(--md-sys-color-surface-container-low);
-
-            opacity: 0;
-            visibility: hidden;
-          }
-        }
-
-        h1,
-        h2,
-        h3,
-        h4,
-        h5,
-        h6 {
-          margin-block: 24px 12px;
-        }
-
-        &:hover {
-          a.title-anchor {
             opacity: 1;
+          }
 
-            span:nth-of-type(1) {
-              opacity: 1;
-            }
+          &:hover {
+            span:nth-of-type(1):hover {
+              background-color: var(--md-sys-color-surface-container-low);
 
-            &:hover {
-              span:nth-of-type(1):hover {
-                background-color: var(--md-sys-color-surface-container-low);
-
-                + span.visually-hidden {
-                  opacity: 1;
-                  visibility: visible;
-                }
+              + span.visually-hidden {
+                opacity: 1;
+                visibility: visible;
               }
             }
           }
         }
       }
+    }
 
-      a {
-        text-decoration: none;
+    a {
+      text-decoration: none;
+    }
+
+    hr {
+      margin-block: 12px;
+    }
+
+    p {
+      margin-block: 12px;
+
+      em {
+        display: inline-block;
+
+        font-style: normal;
+
+        transform: skewX(-10deg);
       }
 
-      hr {
-        margin-block: 12px;
+      s {
+        opacity: 0.5;
+      }
+
+      strong {
+        font-variation-settings: "wght" 700;
+      }
+
+      img {
+        max-width: 100%;
+
+        border-radius: var(--md-sys-shape-corner-small);
+      }
+    }
+
+    pre {
+      @include mixin.typescale-style("body-large");
+
+      overflow: auto;
+    }
+
+    ul,
+    ol {
+      padding-inline-start: 20px;
+
+      li {
+        @include mixin.typescale-style("body-large");
+
+        position: relative;
+
+        margin-block-end: 5px;
+
+        vertical-align: middle;
+
+        p a:has(img) {
+          max-width: 100%;
+
+          img {
+            max-width: 100%;
+          }
+        }
+      }
+    }
+
+    ol {
+      padding-inline-start: 70ch;
+    }
+
+    ul {
+      list-style-type: none;
+
+      li::before {
+        content: "";
+
+        display: inline-block;
+
+        position: absolute;
+        left: -21px;
+        top: 4.5px;
+
+        height: 18px;
+        width: 18px;
+
+        background-color: var(--md-sys-color-on-surface);
+
+        -webkit-mask: var(--via-svg-list-bullet) 0 0/100% no-repeat;
+        mask: var(--via-svg-list-bullet) 0 0/100% no-repeat;
+      }
+
+      li > p::before {
+        display: none;
+      }
+    }
+
+    p a,
+    li a {
+      display: inline-flex;
+
+      position: relative;
+
+      text-indent: initial;
+      text-decoration: underline dashed;
+
+      overflow: hidden;
+
+      &::before {
+        content: "";
+
+        display: block;
+
+        position: absolute;
+        bottom: 0px;
+
+        height: 100%;
+        width: 0%;
+
+        background-color: var(--md-sys-color-primary);
+
+        opacity: 0.2;
+        transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
+      }
+
+      &:hover {
+        text-decoration: underline solid;
+
+        &::before {
+          width: 100%;
+        }
+      }
+    }
+
+    blockquote {
+      margin-block-end: 12px;
+      margin-inline: 0px;
+      padding-block-start: 12px;
+
+      color: var(--md-sys-color-on-tertiary-container);
+
+      border-inline-start: 6px solid var(--md-sys-color-inverse-on-surface);
+
+      blockquote {
+        margin-inline: 24px;
       }
 
       p {
-        margin-block: 12px;
-
-        em {
-          display: inline-block;
-
-          font-style: normal;
-
-          transform: skewX(-10deg);
-        }
-
-        s {
-          opacity: 0.5;
-        }
-
-        strong {
-          font-variation-settings: "wght" 700;
-        }
-
-        img {
-          max-width: 100%;
-
-          border-radius: var(--md-sys-shape-corner-small);
-        }
-      }
-
-      pre {
-        @include mixin.typescale-style("body-large");
-
-        overflow: auto;
+        margin-inline: 24px;
+        margin-block: 0px;
+        padding-block-end: 12px;
       }
 
       ul,
       ol {
-        padding-inline-start: 20px;
-
-        li {
-          @include mixin.typescale-style("body-large");
-
-          position: relative;
-
-          margin-block-end: 5px;
-
-          vertical-align: middle;
-
-          p a:has(img) {
-            max-width: 100%;
-
-            img {
-              max-width: 100%;
-            }
-          }
-        }
+        margin-inline: 24px;
+        padding-block-end: 7px;
       }
 
-      ol {
-        padding-inline-start: 70ch;
-      }
+      .task-list-item {
+        margin: 0px;
 
-      ul {
-        list-style-type: none;
-
-        li::before {
-          content: "";
-
-          display: inline-block;
-
-          position: absolute;
-          left: -21px;
-          top: 4.5px;
-
-          height: 18px;
-          width: 18px;
-
-          background-color: var(--md-sys-color-on-surface);
-
-          -webkit-mask: var(--via-svg-list-bullet) 0 0/100% no-repeat;
-          mask: var(--via-svg-list-bullet) 0 0/100% no-repeat;
-        }
-
-        li > p::before {
+        &::before {
           display: none;
         }
       }
+    }
 
-      p a,
-      li a {
-        display: inline-flex;
+    details {
+      margin: 0.5vh 0px;
 
-        position: relative;
+      border-radius: var(--md-sys-shape-corner-small);
 
-        text-indent: initial;
-        text-decoration: underline dashed;
+      overflow: hidden;
+      transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
 
-        overflow: hidden;
+      img {
+        display: block;
+      }
+
+      summary {
+        @include mixin.typescale-style("body-large");
+
+        display: flex;
+        align-items: center;
+        flex-direction: row;
+        flex-wrap: nowrap;
+        gap: 12px;
+
+        padding: 12px;
+
+        cursor: pointer;
+        list-style: none;
+        transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
 
         &::before {
-          content: "";
+          @include mixin.material-symbols("expand_more");
 
-          display: block;
-
-          position: absolute;
-          bottom: 0px;
-
-          height: 100%;
-          width: 0%;
-
-          background-color: var(--md-sys-color-primary);
-
-          opacity: 0.2;
+          transform: rotateZ(-90deg);
           transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
         }
-
-        &:hover {
-          text-decoration: underline solid;
-
-          &::before {
-            width: 100%;
-          }
-        }
       }
 
-      blockquote {
-        margin-block-end: 12px;
-        margin-inline: 0px;
-        padding-block-start: 12px;
-
-        color: var(--md-sys-color-on-tertiary-container);
-
-        border-inline-start: 6px solid var(--md-sys-color-inverse-on-surface);
-
-        blockquote {
-          margin-inline: 24px;
-        }
-
-        p {
-          margin-inline: 24px;
-          margin-block: 0px;
-          padding-block-end: 12px;
-        }
-
-        ul,
-        ol {
-          margin-inline: 24px;
-          padding-block-end: 7px;
-        }
-
-        .task-list-item {
-          margin: 0px;
-
-          &::before {
-            display: none;
-          }
-        }
+      &:hover {
+        background-color: var(--md-sys-color-inverse-on-surface);
       }
 
-      details {
-        margin: 0.5vh 0px;
-
-        border-radius: var(--md-sys-shape-corner-small);
-
-        overflow: hidden;
-        transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
-
-        img {
-          display: block;
-        }
+      &[open] {
+        border-radius: var(--md-sys-shape-corner-extra-large);
 
         summary {
-          @include mixin.typescale-style("body-large");
-
-          display: flex;
-          align-items: center;
-          flex-direction: row;
-          flex-wrap: nowrap;
-          gap: 12px;
-
-          padding: 12px;
-
-          cursor: pointer;
-          list-style: none;
-          transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
+          &:focus-visible {
+            border-radius: var(--md-sys-shape-corner-extra-large-top);
+          }
 
           &::before {
-            @include mixin.material-symbols("expand_more");
-
-            transform: rotateZ(-90deg);
-            transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
+            transform: rotateZ(0deg);
           }
         }
-
-        &:hover {
-          background-color: var(--md-sys-color-inverse-on-surface);
-        }
-
-        &[open] {
-          border-radius: var(--md-sys-shape-corner-extra-large);
-
-          summary {
-            &:focus-visible {
-              border-radius: var(--md-sys-shape-corner-extra-large-top);
-            }
-
-            &::before {
-              transform: rotateZ(0deg);
-            }
-          }
-        }
-      }
-
-      table {
-        margin-block-end: 12px;
-        margin-inline: 24px;
-        padding: 0px;
-
-        width: calc(100% - 48px);
       }
     }
+
+    table {
+      margin-block-end: 12px;
+      margin-inline: 24px;
+      padding: 0px;
+
+      width: calc(100% - 48px);
+    }
+  }
+
+  &:nth-of-type(2) {
+    grid-column: 11 / 13;
+
+    position: sticky;
+    top: 120px;
   }
 }
 
diff --git a/.vitepress/theme/layouts/Default.vue b/.vitepress/theme/layouts/Default.vue
index 6fec6ad..26fd5f4 100644
--- a/.vitepress/theme/layouts/Default.vue
+++ b/.vitepress/theme/layouts/Default.vue
@@ -97,21 +97,19 @@ function onAfterEnter() {
 <template>
   <div id="layout">
     <Sidebar />
-    <div id="layout-content-flow">
-      <Transition name="layout-content" mode="out-in" @after-enter="onAfterEnter">
-        <div id="layout-content-filler" :key="route.path">
-          <div id="layout-home-title" v-if="frontmatter.home">
-            <img src="/assets/images/avatar.webp" alt="avatar" />
-            <div>
-              <h1>{{ site.title }}</h1>
-              <p>{{ site.description }}</p>
-            </div>
+    <Transition name="layout-content" mode="out-in" @after-enter="onAfterEnter">
+      <div id="layout-content-flow" :key="route.path">
+        <div id="layout-home-title" v-if="frontmatter.home">
+          <img src="/assets/images/avatar.webp" alt="avatar" />
+          <div>
+            <h1>{{ site.title }}</h1>
+            <p>{{ site.description }}</p>
           </div>
-          <component v-else :is="currentLayout" />
         </div>
-      </Transition>
-      <Footer />
-    </div>
+        <component v-else :is="currentLayout" />
+        <Footer />
+      </div>
+    </Transition>
   </div>
 </template>
 
@@ -143,7 +141,7 @@ function onAfterEnter() {
     position: relative;
 
     padding-block-end: 68px;
-    padding-inline: 4vw;
+    padding-inline: 20vw;
 
     width: 100%;
 
@@ -161,72 +159,38 @@ function onAfterEnter() {
       height: 100%;
 
       padding: 24px;
+    }
 
-      &::before,
-      &::after {
-        content: "";
-        flex-basis: 100%;
-        width: 0;
-        order: 2;
+    #layout-home-title {
+      display: flex;
+      align-items: center;
+      gap: 42px;
+      grid-column: 1 / 13;
+      justify-content: center;
+
+      width: 100%;
+
+      h1 {
+        @include mixin.typescale-style("display-large");
+
+        grid-column: span 9;
       }
 
-      #layout-home-title {
-        display: flex;
-        align-items: center;
-        gap: 42px;
-        justify-content: center;
+      h6 {
+        grid-column: span 9;
 
-        width: 100%;
-
-        h1 {
-          @include mixin.typescale-style("display-large");
-
-          grid-column: span 9;
-        }
-
-        h6 {
-          grid-column: span 9;
-
-          text-align: end;
-        }
-
-        img {
-          grid-column: 11 / span 2;
-          grid-row: 2 / span 2;
-
-          height: 120px;
-          width: 120px;
-
-          -webkit-mask: var(--via-svg-mask) no-repeat 0 / 100%;
-          mask: var(--via-svg-mask) no-repeat 0 / 100%;
-        }
+        text-align: end;
       }
 
-      div.card[spec="feed"] {
-        width: calc(50% - 12px);
+      img {
+        grid-column: 11 / span 2;
+        grid-row: 2 / span 2;
 
-        border-radius: var(--md-sys-shape-corner-extra-large-increased);
+        height: 120px;
+        width: 120px;
 
-        &:nth-child(2n + 4),
-        &[size="large"] {
-          margin-inline-end: 12px;
-
-          order: 1;
-        }
-
-        &:nth-child(2n + 3),
-        &[size="small"] {
-          margin-inline-start: 12px;
-
-          order: 2;
-        }
-
-        & > a {
-          width: 100%;
-
-          color: var(--md-sys-color-on-surface);
-          text-decoration: none;
-        }
+        -webkit-mask: var(--via-svg-mask) no-repeat 0 / 100%;
+        mask: var(--via-svg-mask) no-repeat 0 / 100%;
       }
     }
 
@@ -299,10 +263,6 @@ function onAfterEnter() {
           grid-column: calc(($columns + 1) / 2) string.unquote("/") $columns;
         }
       }
-
-      .layout-footer {
-        grid-column: span $columns;
-      }
     }
 
     &[spec="feed"] {
@@ -317,10 +277,6 @@ function onAfterEnter() {
             grid-column: calc($columns - 1) / calc($columns + 1);
           }
         }
-
-        #layout-search {
-          grid-column: span $columns;
-        }
       }
     }
   }
@@ -352,25 +308,6 @@ function onAfterEnter() {
           grid-column: span calc($columns / 2);
         }
       }
-
-      .layout-footer {
-        grid-column: span $columns;
-      }
-    }
-
-    &[spec="feed"] {
-      #layout-content-flow {
-        & > {
-          h1,
-          h6 {
-            grid-column: span calc($columns - 1);
-          }
-
-          img {
-            grid-column: $columns;
-          }
-        }
-      }
     }
   }
 
@@ -406,10 +343,6 @@ function onAfterEnter() {
           grid-column: span calc($columns / 2);
         }
       }
-
-      .layout-footer {
-        grid-column: span $columns;
-      }
     }
 
     &[spec="feed"] {
@@ -434,31 +367,6 @@ function onAfterEnter() {
             grid-row: 1;
           }
         }
-
-        #layout-content-filler {
-          &::before,
-          &::after {
-            order: 1;
-          }
-
-          div.card[spec="feed"] {
-            width: 100%;
-
-            &:nth-child(2n + 4),
-            &[size="large"] {
-              margin-inline-end: 0px;
-
-              order: 1;
-            }
-
-            &:nth-child(2n + 3),
-            &[size="small"] {
-              margin-inline-start: 0px;
-
-              order: 1;
-            }
-          }
-        }
       }
     }
   }
@@ -482,4 +390,16 @@ function onAfterEnter() {
     }
   }
 }
+
+@media screen and (max-width: 1600px) {
+}
+
+@media screen and (max-width: 1200px) {
+}
+
+@media screen and (max-width: 840px) {
+}
+
+@media screen and (max-width: 600px) {
+}
 </style>
diff --git a/.vitepress/theme/layouts/NotFound.vue b/.vitepress/theme/layouts/NotFound.vue
index 083253f..5d230e6 100644
--- a/.vitepress/theme/layouts/NotFound.vue
+++ b/.vitepress/theme/layouts/NotFound.vue
@@ -76,8 +76,16 @@
       background-repeat: no-repeat;
     }
   }
+}
 
-  @media screen and (max-width: 840px) {
+@media screen and (max-width: 1600px) {
+}
+
+@media screen and (max-width: 1200px) {
+}
+
+@media screen and (max-width: 840px) {
+  .notfound {
     #notfound-information {
       h1 {
         font-size: 75rem;
@@ -88,4 +96,7 @@
     }
   }
 }
+
+@media screen and (max-width: 600px) {
+}
 </style>
diff --git a/.vitepress/theme/layouts/SearchPosts.vue b/.vitepress/theme/layouts/SearchPosts.vue
index 85c0b64..99ee852 100644
--- a/.vitepress/theme/layouts/SearchPosts.vue
+++ b/.vitepress/theme/layouts/SearchPosts.vue
@@ -34,6 +34,7 @@ const filteredPosts = computed(() => {
   display: flex;
   flex-direction: column;
   gap: 16px;
+  grid-column: 1 / 13;
 
   padding: 24px;