diff --git a/Build/build-public.ts b/Build/build-public.ts
index 29789a38..c08b8f12 100644
--- a/Build/build-public.ts
+++ b/Build/build-public.ts
@@ -112,7 +112,7 @@ export const buildPublic = task(require.main === module, __filename)(async (span
 
 const prioritySorter = (a: TreeType, b: TreeType) => ((priorityOrder[a.name] || priorityOrder.default) - (priorityOrder[b.name] || priorityOrder.default)) || fastStringCompare(a.name, b.name);
 
-function treeHtml(tree: TreeTypeArray) {
+function treeHtml(tree: TreeTypeArray, level = 0) {
   let result = '';
   tree.sort(prioritySorter);
   for (let i = 0, len = tree.length; i < len; i++) {
@@ -120,12 +120,16 @@ function treeHtml(tree: TreeTypeArray) {
     if (entry.type === TreeFileType.DIRECTORY) {
       result += html`
         <li class="folder">
-          ${entry.name}
-          <ul>${treeHtml(entry.children)}</ul>
+          <details ${level === 0 ? 'open' : ''}>
+            <summary>${entry.name}</summary>
+            <ul>${treeHtml(entry.children, level + 1)}</ul>
+          </details>
         </li>
       `;
     } else if (/* entry.type === 'file' && */ !entry.name.endsWith('.html') && !entry.name.startsWith('_')) {
-      result += html`<li><a class="file directory-list-file" href="${entry.path}">${entry.name}</a></li>`;
+      result += html`
+        <li class="file"><a class="file-link" href="${entry.path}">${entry.name}</a></li>
+      `;
     }
   }
   return result;
@@ -147,8 +151,6 @@ function generateHtml(tree: TreeTypeArray) {
         <link href="https://cdn.skk.moe/favicon/favicon-16x16.png" rel="icon" type="image/png" sizes="16x16">
         <meta name="description" content="Sukka 自用的 Surge / Clash Premium 规则组">
 
-        <link rel="stylesheet" href="https://cdn.skk.moe/ruleset/css/21d8777a.css" />
-
         <meta property="og:title" content="Surge Ruleset | Sukka (@SukkaW)">
         <meta property="og:type" content="Website">
         <meta property="og:url" content="https://ruleset.skk.moe/">
@@ -156,6 +158,554 @@ function generateHtml(tree: TreeTypeArray) {
         <meta property="og:description" content="Sukka 自用的 Surge / Clash Premium 规则组">
         <meta name="twitter:card" content="summary">
         <link rel="canonical" href="https://ruleset.skk.moe/">
+        <style>
+          :root {
+            --font-family: system-ui, -apple-system, "Segoe UI", "Roboto", "Ubuntu", "Cantarell", "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+            --line-height: 1.5;
+            --font-weight: 400;
+            --font-size: 16px;
+            --border-radius: 0.25rem;
+            --border-width: 1px;
+            --outline-width: 3px;
+            --spacing: 1rem;
+            --typography-spacing-vertical: 1.5rem;
+            --block-spacing-vertical: calc(var(--spacing)*2);
+            --block-spacing-horizontal: var(--spacing);
+            --nav-element-spacing-vertical: 1rem;
+            --nav-element-spacing-horizontal: 0.5rem;
+            --nav-link-spacing-vertical: 0.5rem;
+            --nav-link-spacing-horizontal: 0.5rem;
+            --form-label-font-weight: var(--font-weight);
+            --transition: 0.2s ease-in-out
+          }
+
+          @media (min-width:576px) {
+            :root {
+              --font-size: 17px
+            }
+          }
+
+          @media (min-width:768px) {
+            :root {
+              --font-size: 18px
+            }
+          }
+
+          @media (min-width:992px) {
+            :root {
+              --font-size: 19px
+            }
+          }
+
+          @media (min-width:1200px) {
+            :root {
+              --font-size: 20px
+            }
+          }
+
+        a {
+          --text-decoration: none
+        }
+
+        a.contrast,
+        a.secondary {
+          --text-decoration: underline
+        }
+
+        small {
+          --font-size: 0.875em
+        }
+
+      h1,
+      h2,
+      h3,
+      h4,
+      h5,
+      h6 {
+        --font-weight: 700
+      }
+
+      h1 {
+        --font-size: 2rem;
+        --typography-spacing-vertical: 3rem
+      }
+
+      :not(thead):not(tfoot)>*>td {
+        --font-size: 0.875em
+      }
+
+      code,
+      kbd,
+      pre,
+      samp {
+        --font-family: "Menlo", "Consolas", "Roboto Mono", "Ubuntu Monospace", "Noto Mono", "Oxygen Mono", "Liberation Mono", monospace, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"
+      }
+
+      kbd {
+        --font-weight: bolder
+      }
+
+      :root:not([data-theme=dark]),
+      [data-theme=light] {
+        --background-color: #fff;
+        --color: #415462;
+        --h1-color: #1b2832;
+        --h2-color: #24333e;
+        --h3-color: #2c3d49;
+        --h4-color: #374956;
+        --h5-color: #415462;
+        --h6-color: #4d606d;
+        --muted-color: #73828c;
+        --muted-border-color: #edf0f3;
+        --primary: #1095c1;
+        --primary-hover: #08769b;
+        --primary-focus: rgba(16, 149, 193, .125);
+        --primary-inverse: #fff;
+        --secondary: #596b78;
+        --secondary-hover: #415462;
+        --secondary-focus: rgba(89, 107, 120, .125);
+        --secondary-inverse: #fff;
+        --contrast: #1b2832;
+        --contrast-hover: #000;
+        --contrast-focus: rgba(89, 107, 120, .125);
+        --contrast-inverse: #fff;
+        --mark-background-color: #fff2ca;
+        --mark-color: #543a26;
+        --modal-overlay-background-color: rgba(213, 220, 226, .8);
+        --loading-spinner-opacity: 0.5;
+        --icon-folder: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%23415462' stroke-width='1.5' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M2.25 12.75V12A2.25 2.25 0 0 1 4.5 9.75h15A2.25 2.25 0 0 1 21.75 12v.75m-8.69-6.44-2.12-2.12a1.5 1.5 0 0 0-1.06-.44H4.5A2.25 2.25 0 0 0 2.25 6v12a2.25 2.25 0 0 0 2.25 2.25h15A2.25 2.25 0 0 0 21.75 18V9a2.25 2.25 0 0 0-2.25-2.25h-5.38a1.5 1.5 0 0 1-1.06-.44Z'/%3E%3C/svg%3E");
+        --icon-file: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%23415462' stroke-width='1.5' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 14.25v-2.63a3.38 3.38 0 0 0-3.38-3.37h-1.5a1.13 1.13 0 0 1-1.12-1.13v-1.5a3.38 3.38 0 0 0-3.38-3.37H8.25m0 12.75h7.5m-7.5 3H12M10.5 2.25H5.62c-.62 0-1.12.5-1.12 1.13v17.25c0 .62.5 1.12 1.13 1.12h12.75c.62 0 1.12-.5 1.12-1.13v-9.37a9 9 0 0 0-9-9Z'/%3E%3C/svg%3E");
+        --icon-folder-open: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%23415462' stroke-width='1.5' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M3.75 9.78c.11-.02.23-.03.34-.03h15.82c.11 0 .23 0 .34.03m-16.5 0a2.25 2.25 0 0 0-1.88 2.54l.85 6a2.25 2.25 0 0 0 2.23 1.93h14.1a2.25 2.25 0 0 0 2.23-1.93l.85-6a2.25 2.25 0 0 0-1.88-2.54m-16.5 0V6A2.25 2.25 0 0 1 6 3.75h3.88a1.5 1.5 0 0 1 1.06.44l2.12 2.12a1.5 1.5 0 0 0 1.06.44H18A2.25 2.25 0 0 1 20.25 9v.78'/%3E%3C/svg%3E");
+        color-scheme: light
+      }
+
+      @media only screen and (prefers-color-scheme:dark) {
+        :root:not([data-theme=light]) {
+          --background-color: #11191f;
+          --color: #bbc6ce;
+          --h1-color: #edf0f3;
+          --h2-color: #e1e6eb;
+          --h3-color: #d5dce2;
+          --h4-color: #c8d1d8;
+          --h5-color: #bbc6ce;
+          --h6-color: #afbbc4;
+          --muted-color: #73828c;
+          --muted-border-color: #1f2d38;
+          --primary: #1095c1;
+          --primary-hover: #1ab3e6;
+          --primary-focus: rgba(16, 149, 193, .25);
+          --primary-inverse: #fff;
+          --secondary: #596b78;
+          --secondary-hover: #73828c;
+          --secondary-focus: rgba(115, 130, 140, .25);
+          --secondary-inverse: #fff;
+          --contrast: #edf0f3;
+          --contrast-hover: #fff;
+          --contrast-focus: rgba(115, 130, 140, .25);
+          --contrast-inverse: #000;
+          --mark-background-color: #d1c284;
+          --mark-color: #11191f;
+          --modal-overlay-background-color: rgba(36, 51, 62, .9);
+          --loading-spinner-opacity: 0.5;
+          --icon-folder: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='none' stroke='%23bbc6ce' stroke-linecap='round' stroke-linejoin='round' stroke-width='2'%3E%3Cpath d='M22 19a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5l2 3h9a2 2 0 0 1 2 2z'/%3E%3C/svg%3E");
+          --icon-file: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%23bbc6ce' stroke-width='1.5' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 14.25v-2.63a3.38 3.38 0 0 0-3.38-3.37h-1.5a1.13 1.13 0 0 1-1.12-1.13v-1.5a3.38 3.38 0 0 0-3.38-3.37H8.25m0 12.75h7.5m-7.5 3H12M10.5 2.25H5.62c-.62 0-1.12.5-1.12 1.13v17.25c0 .62.5 1.12 1.13 1.12h12.75c.62 0 1.12-.5 1.12-1.13v-9.37a9 9 0 0 0-9-9Z'/%3E%3C/svg%3E");
+          --icon-folder-open: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%23bbc6ce' stroke-width='1.5' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M3.75 9.78c.11-.02.23-.03.34-.03h15.82c.11 0 .23 0 .34.03m-16.5 0a2.25 2.25 0 0 0-1.88 2.54l.85 6a2.25 2.25 0 0 0 2.23 1.93h14.1a2.25 2.25 0 0 0 2.23-1.93l.85-6a2.25 2.25 0 0 0-1.88-2.54m-16.5 0V6A2.25 2.25 0 0 1 6 3.75h3.88a1.5 1.5 0 0 1 1.06.44l2.12 2.12a1.5 1.5 0 0 0 1.06.44H18A2.25 2.25 0 0 1 20.25 9v.78'/%3E%3C/svg%3E");
+          color-scheme: dark
+        }
+      }
+
+      *,
+      :after,
+      :before {
+        background-repeat: no-repeat;
+        box-sizing: border-box
+      }
+
+      :after,
+      :before {
+        text-decoration: inherit;
+        vertical-align: inherit
+      }
+
+      :where(:root) {
+        -webkit-tap-highlight-color: transparent;
+        -webkit-text-size-adjust: 100%;
+        -moz-text-size-adjust: 100%;
+        text-size-adjust: 100%;
+        background-color: var(--background-color);
+        color: var(--color);
+        cursor: default;
+        font-family: var(--font-family);
+        font-size: var(--font-size);
+        font-weight: var(--font-weight);
+        line-height: var(--line-height);
+        overflow-wrap: break-word;
+        -moz-tab-size: 4;
+        -o-tab-size: 4;
+        tab-size: 4;
+        text-rendering: optimizeLegibility
+      }
+
+      main {
+        display: block
+      }
+
+      body {
+        margin: 0;
+        width: 100%
+      }
+
+      body>footer,
+      body>header,
+      body>main {
+        margin-left: auto;
+        margin-right: auto;
+        padding: var(--block-spacing-vertical) 0;
+        width: 100%
+      }
+
+      .container,
+      .container-fluid {
+        margin-left: auto;
+        margin-right: auto;
+        padding-left: var(--spacing);
+        padding-right: var(--spacing);
+        width: 100%
+      }
+
+      @media (min-width:576px) {
+        .container {
+          max-width: 510px;
+          padding-left: 0;
+          padding-right: 0
+        }
+      }
+
+      @media (min-width:768px) {
+        .container {
+          max-width: 700px
+        }
+      }
+
+      @media (min-width:992px) {
+        .container {
+          max-width: 920px
+        }
+      }
+
+      @media (min-width:1200px) {
+        .container {
+          max-width: 1130px
+        }
+      }
+
+      section {
+        margin-bottom: var(--block-spacing-vertical)
+      }
+
+      b,
+      strong {
+        font-weight: bolder
+      }
+
+      address,
+      blockquote,
+      dl,
+      figure,
+      form,
+      ol,
+      p,
+      pre,
+      table,
+      ul {
+        color: var(--color);
+        font-size: var(--font-size);
+        font-style: normal;
+        font-weight: var(--font-weight);
+        margin-bottom: var(--typography-spacing-vertical);
+        margin-top: 0
+      }
+
+      [role=link],
+      a:not(.file-link) {
+        --color: var(--primary);
+        --background-color: transparent;
+        background-color: var(--background-color);
+        color: var(--color);
+        outline: none;
+        -webkit-text-decoration: var(--text-decoration);
+        text-decoration: var(--text-decoration)
+      }
+
+      [role=link]:is([aria-current], :hover, :active, :focus):not(.file-link),
+      a:is([aria-current], :hover, :active, :focus):not(.file-link) {
+        color: var(--primary-hover);
+        text-decoration: underline
+      }
+
+      [role=link]:focus:not(.file-link),
+      a:focus:not(.file-link) {
+        --background-color: var(--primary-focus)
+      }
+
+      h1,
+      h2,
+      h3,
+      h4,
+      h5,
+      h6 {
+        color: var(--color);
+        font-family: var(--font-family);
+        font-size: var(--font-size);
+        font-weight: var(--font-weight);
+        margin-bottom: var(--typography-spacing-vertical);
+        margin-top: 0
+      }
+
+      h1 {
+        --color: var(--h1-color)
+      }
+
+      h2 {
+        --color: var(--h2-color)
+      }
+
+      h3 {
+        --color: var(--h3-color)
+      }
+
+      h4 {
+        --color: var(--h4-color)
+      }
+
+      h5 {
+        --color: var(--h5-color)
+      }
+
+      h6 {
+        --color: var(--h6-color)
+      }
+
+      :where(address, blockquote, dl, figure, form, ol, p, pre, table, ul)~:is(h1, h2, h3, h4, h5, h6) {
+        margin-top: var(--typography-spacing-vertical)
+      }
+
+      p {
+        margin-bottom: var(--typography-spacing-vertical)
+      }
+
+      small {
+        font-size: var(--font-size)
+      }
+
+      :where(dl, ol, ul) {
+        -webkit-padding-start: var(--spacing);
+        -webkit-padding-end: 0;
+        padding-left: var(--spacing);
+        padding-right: 0;
+        padding-inline-end: 0;
+        padding-inline-start: var(--spacing)
+      }
+
+      :where(dl, ol, ul) li {
+        margin-bottom: calc(var(--typography-spacing-vertical)*.25)
+      }
+
+      :where(dl, ol, ul) :is(dl, ol, ul) {
+        margin: 0;
+        margin-top: calc(var(--typography-spacing-vertical)*.25)
+      }
+
+      mark {
+        background-color: var(--mark-background-color);
+        color: var(--mark-color);
+        padding: .125rem .25rem;
+        vertical-align: baseline
+      }
+
+      ::-moz-selection {
+        background-color: var(--primary-focus)
+      }
+
+      ::selection {
+        background-color: var(--primary-focus)
+      }
+
+      :where(audio, canvas, iframe, img, svg, video) {
+        vertical-align: middle
+      }
+
+      img {
+        border-style: none;
+        height: auto;
+        max-width: 100%
+      }
+
+      :where(svg:not([fill])) {
+        fill: currentColor
+      }
+
+      svg:not(:root) {
+        overflow: hidden
+      }
+
+      legend {
+        color: inherit;
+        max-width: 100%;
+        padding: 0;
+        white-space: normal
+      }
+
+      ::-webkit-inner-spin-button,
+      ::-webkit-outer-spin-button {
+        height: auto
+      }
+
+      ::-moz-focus-inner {
+        border-style: none;
+        padding: 0
+      }
+
+      :-moz-focusring {
+        outline: none
+      }
+
+      :-moz-ui-invalid {
+        box-shadow: none
+      }
+
+      ::-ms-expand {
+        display: none
+      }
+
+      fieldset {
+        border: 0;
+        margin: 0;
+        margin-bottom: var(--spacing);
+        padding: 0
+      }
+
+      fieldset legend,
+      label {
+        display: block;
+        font-weight: var(--form-label-font-weight, var(--font-weight));
+        margin-bottom: calc(var(--spacing)*.25)
+      }
+
+      [aria-controls] {
+        cursor: pointer
+      }
+
+      [aria-disabled=true],
+      [disabled] {
+        cursor: not-allowed
+      }
+
+      [aria-hidden=false][hidden] {
+        display: initial
+      }
+
+      [aria-hidden=false][hidden]:not(:focus) {
+        clip: rect(0, 0, 0, 0);
+        position: absolute
+      }
+
+      [tabindex],
+      a,
+      area,
+      button,
+      input,
+      label,
+      select,
+      summary,
+      textarea {
+        -ms-touch-action: manipulation
+      }
+
+      .tree {
+        --tree-spacing: 1.5rem;
+        --radius: 10px;
+      }
+
+      .tree a {
+        border-bottom: 1px solid transparent;
+        border-color: var(--secondary);
+        color: var(--color);
+        text-decoration: none;
+        transition: all 0.2s ease;
+      }
+
+      .tree a:hover {
+        border-color: var(--secondary-hover);
+        color: var(--h3-color);
+      }
+
+      .tree,
+      .tree ul,
+      .tree li {
+        list-style: none;
+        list-style-type: none;
+      }
+
+      .tree .folder li {
+        display: block;
+        position: relative;
+        padding-left: calc(2 * var(--tree-spacing) - var(--radius) - 2px);
+      }
+
+      .tree ul {
+        margin-left: calc(var(--radius) - var(--tree-spacing));
+        padding-left: 0;
+      }
+
+      .tree summary {
+        display: block;
+        cursor: pointer;
+      }
+
+      .tree summary::marker,
+      .tree summary::-webkit-details-marker {
+        display: none;
+      }
+
+      .tree summary:focus {
+        outline: none;
+      }
+
+      .tree summary:focus-visible {
+        outline: 1px dotted #000;
+      }
+
+      .tree li.file::before {
+        margin-right: 10px;
+        vertical-align: middle;
+        height: 20px;
+        width: 20px;
+        content: '';
+        display: inline-block;
+        background-image: var(--icon-file);
+        background-position: top;
+        background-size: 75% auto;
+      }
+
+      .tree li.folder>details>summary::before {
+        z-index: 1;
+
+        margin-right: 10px;
+        vertical-align: middle;
+        height: 20px;
+        width: 20px;
+        content: '';
+        display: inline-block;
+        background-image: var(--icon-folder);
+        background-position: top;
+        background-size: 75% auto;
+      }
+
+      .tree li.folder>details[open]>summary::before {
+        background-image: var(--icon-folder-open);
+      }
+      </style>
       </head>
       <body>
         <main class="container">
@@ -165,7 +715,9 @@ function generateHtml(tree: TreeTypeArray) {
           </p>
           <p>Last Build: ${new Date().toISOString()}</p>
           <br>
-          <ul class="directory-list">${treeHtml(tree)}</ul>
+          <ul class="tree">
+            ${treeHtml(tree)}
+          </ul>
         </main>
       </body>
     </html>