diff --git a/core/settings.py b/core/settings.py
index ac7d1e4..0d70e5f 100644
--- a/core/settings.py
+++ b/core/settings.py
@@ -145,7 +145,7 @@ MUSIC_ROOT = os.path.join(BASE_DIR, 'data', 'music')
 # File uploads folder — override via FILE_UPLOADS_FOLDER env var.
 # Defaults to ~/Downloads locally; set to /uploads on k8s.
 FILE_UPLOADS_FOLDER = os.environ.get('FILE_UPLOADS_FOLDER', os.path.expanduser('~/Downloads'))
-IMAGES_FOLDER = os.environ.get('IMAGES_FOLDER', os.path.expanduser('~/Pictures'))
+IMAGES_FOLDER = os.environ.get('IMAGES_FOLDER', os.path.expanduser('~/Downloads'))
 
 
 LOGGING = {
diff --git a/links/templates/links/link_list.html b/links/templates/links/link_list.html
index 2f1dfaa..76dbbc2 100644
--- a/links/templates/links/link_list.html
+++ b/links/templates/links/link_list.html
@@ -56,7 +56,7 @@
       opacity: 1 !important;
       transform: none !important;
     }
-    .app-tile, .post-card, .fan-card, .fan-card img, .fan-card-frame { transition: none !important; animation: none !important; }
+    .app-tile, .post-card, .fan-card, .fan-card img, .fan-card-frame, .fan-lightbox { transition: none !important; animation: none !important; }
   }
 
   /* ---------- Hero ---------- */
@@ -395,6 +395,35 @@
     .fan-actions { gap: 0.8rem; }
   }
 
+  /* ---------- Fan lightbox (full-size preview on card click) ---------- */
+  .fan-lightbox {
+    position: fixed; inset: 0; z-index: 1000;
+    display: flex; align-items: center; justify-content: center;
+    padding: 2rem;
+    background: rgba(0, 0, 0, 0.82);
+    -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
+    animation: fan-lightbox-fade 0.25s ease;
+    cursor: zoom-out;
+  }
+  .fan-lightbox[hidden] { display: none; }
+  @keyframes fan-lightbox-fade { from { opacity: 0; } to { opacity: 1; } }
+  .fan-lightbox-img {
+    max-width: min(92vw, 900px); max-height: 88vh;
+    display: block; object-fit: contain; cursor: default;
+    border-radius: 14px;
+    background: #e8e8ed;
+    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
+  }
+  .fan-lightbox-close {
+    position: absolute; top: 1.1rem; right: 1.1rem;
+    width: 2.5rem; height: 2.5rem; border-radius: 50%; border: none;
+    display: flex; align-items: center; justify-content: center;
+    background: rgba(255, 255, 255, 0.14); color: #fff; cursor: pointer;
+    transition: background 0.2s ease;
+  }
+  .fan-lightbox-close:hover, .fan-lightbox-close:focus-visible { background: rgba(255, 255, 255, 0.28); }
+  .fan-lightbox-close svg { width: 1.2rem; height: 1.2rem; }
+
   /* ---------- Accessibility: visible keyboard focus ---------- */
   a:focus-visible, button:focus-visible {
     outline: 2px solid var(--apple-blue);
@@ -520,52 +549,52 @@
       </div>
     </div>
     <div class="photo-fan">
-      <button type="button" class="fan-card" style="--r: -13deg; --fy: 18px; --z: 1; --d: 0; --tape: rgba(0, 113, 227, 0.22); --tape-r: -4deg;" onclick="refreshRandomImage(this.querySelector('img'))" aria-label="{% trans 'Shuffle image' %}">
+      <button type="button" class="fan-card" style="--r: -13deg; --fy: 18px; --z: 1; --d: 0; --tape: rgba(0, 113, 227, 0.22); --tape-r: -4deg;" onclick="openFanLightbox(this.querySelector('img'))" aria-label="{% trans 'View Full Size' %}">
         <span class="fan-card-frame">
           <img src="/api/images/random/600/800/?fit=crop&v={{ timestamp }}&box=fan1" data-box="fan1" alt="{% trans 'Random Image' %}" loading="lazy" onerror="handleRandomImageError(this)">
           <span class="fan-card-hint" aria-hidden="true">
             <svg fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2">
-              <path stroke-linecap="round" stroke-linejoin="round" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
+              <path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-4.35-4.35M11 19a8 8 0 100-16 8 8 0 000 16zM11 8v6M8 11h6"/>
             </svg>
           </span>
         </span>
       </button>
-      <button type="button" class="fan-card" style="--r: -6.5deg; --fy: 7px; --z: 2; --d: 1; --tape: rgba(255, 55, 95, 0.20); --tape-r: 3deg;" onclick="refreshRandomImage(this.querySelector('img'))" aria-label="{% trans 'Shuffle image' %}">
+      <button type="button" class="fan-card" style="--r: -6.5deg; --fy: 7px; --z: 2; --d: 1; --tape: rgba(255, 55, 95, 0.20); --tape-r: 3deg;" onclick="openFanLightbox(this.querySelector('img'))" aria-label="{% trans 'View Full Size' %}">
         <span class="fan-card-frame">
           <img src="/api/images/random/600/800/?fit=crop&v={{ timestamp }}&box=fan2" data-box="fan2" alt="{% trans 'Random Image' %}" loading="lazy" onerror="handleRandomImageError(this)">
           <span class="fan-card-hint" aria-hidden="true">
             <svg fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2">
-              <path stroke-linecap="round" stroke-linejoin="round" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
+              <path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-4.35-4.35M11 19a8 8 0 100-16 8 8 0 000 16zM11 8v6M8 11h6"/>
             </svg>
           </span>
         </span>
       </button>
-      <button type="button" class="fan-card" style="--r: 0deg; --fy: 0px; --z: 3; --d: 2; --tape: rgba(48, 209, 88, 0.22); --tape-r: -2deg;" onclick="refreshRandomImage(this.querySelector('img'))" aria-label="{% trans 'Shuffle image' %}">
+      <button type="button" class="fan-card" style="--r: 0deg; --fy: 0px; --z: 3; --d: 2; --tape: rgba(48, 209, 88, 0.22); --tape-r: -2deg;" onclick="openFanLightbox(this.querySelector('img'))" aria-label="{% trans 'View Full Size' %}">
         <span class="fan-card-frame">
           <img src="/api/images/random/600/800/?fit=crop&v={{ timestamp }}&box=fan3" data-box="fan3" alt="{% trans 'Random Image' %}" loading="lazy" onerror="handleRandomImageError(this)">
           <span class="fan-card-hint" aria-hidden="true">
             <svg fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2">
-              <path stroke-linecap="round" stroke-linejoin="round" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
+              <path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-4.35-4.35M11 19a8 8 0 100-16 8 8 0 000 16zM11 8v6M8 11h6"/>
             </svg>
           </span>
         </span>
       </button>
-      <button type="button" class="fan-card" style="--r: 6.5deg; --fy: 7px; --z: 2; --d: 3; --tape: rgba(255, 159, 10, 0.22); --tape-r: 4deg;" onclick="refreshRandomImage(this.querySelector('img'))" aria-label="{% trans 'Shuffle image' %}">
+      <button type="button" class="fan-card" style="--r: 6.5deg; --fy: 7px; --z: 2; --d: 3; --tape: rgba(255, 159, 10, 0.22); --tape-r: 4deg;" onclick="openFanLightbox(this.querySelector('img'))" aria-label="{% trans 'View Full Size' %}">
         <span class="fan-card-frame">
           <img src="/api/images/random/600/800/?fit=crop&v={{ timestamp }}&box=fan4" data-box="fan4" alt="{% trans 'Random Image' %}" loading="lazy" onerror="handleRandomImageError(this)">
           <span class="fan-card-hint" aria-hidden="true">
             <svg fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2">
-              <path stroke-linecap="round" stroke-linejoin="round" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
+              <path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-4.35-4.35M11 19a8 8 0 100-16 8 8 0 000 16zM11 8v6M8 11h6"/>
             </svg>
           </span>
         </span>
       </button>
-      <button type="button" class="fan-card" style="--r: 13deg; --fy: 18px; --z: 1; --d: 4; --tape: rgba(191, 90, 242, 0.22); --tape-r: -3deg;" onclick="refreshRandomImage(this.querySelector('img'))" aria-label="{% trans 'Shuffle image' %}">
+      <button type="button" class="fan-card" style="--r: 13deg; --fy: 18px; --z: 1; --d: 4; --tape: rgba(191, 90, 242, 0.22); --tape-r: -3deg;" onclick="openFanLightbox(this.querySelector('img'))" aria-label="{% trans 'View Full Size' %}">
         <span class="fan-card-frame">
           <img src="/api/images/random/600/800/?fit=crop&v={{ timestamp }}&box=fan5" data-box="fan5" alt="{% trans 'Random Image' %}" loading="lazy" onerror="handleRandomImageError(this)">
           <span class="fan-card-hint" aria-hidden="true">
             <svg fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2">
-              <path stroke-linecap="round" stroke-linejoin="round" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
+              <path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-4.35-4.35M11 19a8 8 0 100-16 8 8 0 000 16zM11 8v6M8 11h6"/>
             </svg>
           </span>
         </span>
@@ -573,6 +602,16 @@
     </div>
   </section>
 
+  <!-- ============ Fan Lightbox (full-size preview) ============ -->
+  <div id="fan-lightbox" class="fan-lightbox" hidden role="dialog" aria-modal="true" aria-label="{% trans 'Random Image' %}">
+    <button type="button" class="fan-lightbox-close" id="fan-lightbox-close" aria-label="{% trans 'Close' %}">
+      <svg fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2.5" aria-hidden="true">
+        <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12"/>
+      </svg>
+    </button>
+    <img id="fan-lightbox-img" class="fan-lightbox-img" src="" alt="{% trans 'Random Image' %}">
+  </div>
+
   <!-- ============ Link Library ============ -->
   <section class="apple-card home-section" aria-labelledby="links-heading">
     <div class="library-header">
@@ -776,6 +815,38 @@
       card.addEventListener('animationend', () => { card.style.animation = 'none'; }, { once: true });
     });
 
+    /* ---------- Photo fan: lightbox (click a card to view it full-size) ---------- */
+    const fanLightbox = document.getElementById('fan-lightbox');
+    const fanLightboxImg = document.getElementById('fan-lightbox-img');
+    const fanLightboxClose = document.getElementById('fan-lightbox-close');
+
+    window.openFanLightbox = function (img) {
+      if (!img || !fanLightbox || !fanLightboxImg) return;
+      fanLightboxImg.src = img.currentSrc || img.src;
+      fanLightboxImg.alt = img.alt;
+      fanLightbox.hidden = false;
+      document.body.style.overflow = 'hidden';
+      fanLightboxClose.focus();
+    };
+
+    function closeFanLightbox() {
+      if (!fanLightbox) return;
+      fanLightbox.hidden = true;
+      fanLightboxImg.src = '';
+      document.body.style.overflow = '';
+    }
+
+    if (fanLightbox) {
+      fanLightboxClose.addEventListener('click', closeFanLightbox);
+      // Click the dimmed backdrop (not the image itself) to dismiss.
+      fanLightbox.addEventListener('click', function (event) {
+        if (event.target === fanLightbox) closeFanLightbox();
+      });
+      document.addEventListener('keydown', function (event) {
+        if (event.key === 'Escape' && !fanLightbox.hidden) closeFanLightbox();
+      });
+    }
+
     /* ---------- Scroll-reveal animations (respects reduced motion) ---------- */
     const revealEls = document.querySelectorAll('.reveal');
     const reducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
diff --git a/locale/zh_Hans/LC_MESSAGES/django.mo b/locale/zh_Hans/LC_MESSAGES/django.mo
index ccaecd5..fa54742 100644
Binary files a/locale/zh_Hans/LC_MESSAGES/django.mo and b/locale/zh_Hans/LC_MESSAGES/django.mo differ
diff --git a/locale/zh_Hans/LC_MESSAGES/django.po b/locale/zh_Hans/LC_MESSAGES/django.po
index a895218..722218e 100644
--- a/locale/zh_Hans/LC_MESSAGES/django.po
+++ b/locale/zh_Hans/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-07-19 21:30+1000\n"
+"POT-Creation-Date: 2026-07-19 22:00+1000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -481,6 +481,11 @@ msgid "Slideshow"
 msgstr ""
 
 #: links/templates/links/collection_detail.html:254
+#: links/templates/links/link_list.html:552
+#: links/templates/links/link_list.html:562
+#: links/templates/links/link_list.html:572
+#: links/templates/links/link_list.html:582
+#: links/templates/links/link_list.html:592
 msgid "View Full Size"
 msgstr ""
 
@@ -659,7 +664,7 @@ msgid "All Files"
 msgstr ""
 
 #: links/templates/links/files/list.html:109
-#: links/templates/links/link_list.html:623
+#: links/templates/links/link_list.html:662
 msgid "Type"
 msgstr "链接类型"
 
@@ -731,7 +736,7 @@ msgstr "导出数据库"
 
 #: links/templates/links/files/list.html:233
 #: links/templates/links/files/list.html:343
-#: links/templates/links/jobs.html:507
+#: links/templates/links/jobs.html:507 links/templates/links/link_list.html:607
 msgid "Close"
 msgstr ""
 
@@ -868,7 +873,7 @@ msgid ""
 msgstr ""
 
 #: links/templates/links/jobs.html:152
-#: links/templates/links/link_list.html:1007
+#: links/templates/links/link_list.html:1078
 msgid "selected"
 msgstr "已选择"
 
@@ -1025,13 +1030,13 @@ msgstr "链接详情"
 
 #: links/templates/links/link_confirm_delete.html:17
 #: links/templates/links/link_detail.html:43
-#: links/templates/links/link_list.html:613
+#: links/templates/links/link_list.html:652
 msgid "Alias"
 msgstr "别名"
 
 #: links/templates/links/link_confirm_delete.html:18
 #: links/templates/links/link_detail.html:60
-#: links/templates/links/link_list.html:633
+#: links/templates/links/link_list.html:672
 msgid "Original URL"
 msgstr "原始URL"
 
@@ -1097,7 +1102,7 @@ msgid "No changes recorded."
 msgstr ""
 
 #: links/templates/links/link_detail.html:256
-#: links/templates/links/link_list.html:643
+#: links/templates/links/link_list.html:682
 msgid "Clicks"
 msgstr "点击次数"
 
@@ -1106,7 +1111,7 @@ msgid "Edit Link"
 msgstr "编辑链接"
 
 #: links/templates/links/link_form.html:33
-#: links/templates/links/link_list.html:597
+#: links/templates/links/link_list.html:636
 msgid "New Link"
 msgstr "创建新链接"
 
@@ -1139,136 +1144,130 @@ msgstr ""
 msgid "Alias cannot be changed after creation."
 msgstr "链接别名中不能带有 - 或者 _ 以及其他任意特殊字符"
 
-#: links/templates/links/link_list.html:469
+#: links/templates/links/link_list.html:498
 #: links/templates/links/mini_apps/image_gallery.html:4 templates/base.html:8
 #: templates/base.html:61
 msgid "GoLinks"
 msgstr "GoLinks"
 
-#: links/templates/links/link_list.html:475
+#: links/templates/links/link_list.html:504
 msgid "Search aliases"
 msgstr "搜索别名"
 
-#: links/templates/links/link_list.html:479
+#: links/templates/links/link_list.html:508
 msgid "Search aliases..."
 msgstr "搜索别名..."
 
-#: links/templates/links/link_list.html:487
+#: links/templates/links/link_list.html:516
 msgid "Matching aliases"
 msgstr "匹配的别名"
 
-#: links/templates/links/link_list.html:493
+#: links/templates/links/link_list.html:522
 #: links/templates/links/tag_detail.html:34
 msgid "Links"
 msgstr "链接"
 
-#: links/templates/links/link_list.html:498
+#: links/templates/links/link_list.html:527
 msgid "Total Clicks"
 msgstr "总点击次数"
 
-#: links/templates/links/link_list.html:506
+#: links/templates/links/link_list.html:535
 msgid "Random Images"
 msgstr "随机图片"
 
-#: links/templates/links/link_list.html:512
+#: links/templates/links/link_list.html:541
 msgid "Shuffle all"
 msgstr "换一批"
 
-#: links/templates/links/link_list.html:515
+#: links/templates/links/link_list.html:544
 msgid "Open gallery"
 msgstr "打开画廊"
 
-#: links/templates/links/link_list.html:523
-#: links/templates/links/link_list.html:533
-#: links/templates/links/link_list.html:543
-#: links/templates/links/link_list.html:553
-#: links/templates/links/link_list.html:563
-msgid "Shuffle image"
-msgstr "换一张图片"
-
-#: links/templates/links/link_list.html:525
-#: links/templates/links/link_list.html:535
-#: links/templates/links/link_list.html:545
-#: links/templates/links/link_list.html:555
-#: links/templates/links/link_list.html:565
+#: links/templates/links/link_list.html:554
+#: links/templates/links/link_list.html:564
+#: links/templates/links/link_list.html:574
+#: links/templates/links/link_list.html:584
+#: links/templates/links/link_list.html:594
+#: links/templates/links/link_list.html:606
+#: links/templates/links/link_list.html:612
 msgid "Random Image"
 msgstr "随机图片"
 
-#: links/templates/links/link_list.html:580
+#: links/templates/links/link_list.html:619
 msgid "Link List"
 msgstr "链接列表"
 
-#: links/templates/links/link_list.html:582
+#: links/templates/links/link_list.html:621
 #, python-format
 msgid "%(counter)s link"
 msgid_plural "%(counter)s links"
 msgstr[0] ""
 
-#: links/templates/links/link_list.html:590
+#: links/templates/links/link_list.html:629
 msgid "Search links"
 msgstr "搜索链接"
 
-#: links/templates/links/link_list.html:591
+#: links/templates/links/link_list.html:630
 msgid "Search links..."
 msgstr "搜索链接..."
 
-#: links/templates/links/link_list.html:609
+#: links/templates/links/link_list.html:648
 msgid "Select all links"
 msgstr "全选所有链接"
 
-#: links/templates/links/link_list.html:651
+#: links/templates/links/link_list.html:690
 #: links/templates/links/mini_apps/image_gallery.html:432
 #: templates/pricemon/dashboard.html:187
 msgid "Actions"
 msgstr "操作"
 
-#: links/templates/links/link_list.html:659
+#: links/templates/links/link_list.html:698
 msgid "No links available"
 msgstr "暂无可用链接"
 
-#: links/templates/links/link_list.html:675
-#: links/templates/links/link_list.html:987
-#: links/templates/links/link_list.html:995
+#: links/templates/links/link_list.html:714
+#: links/templates/links/link_list.html:1058
+#: links/templates/links/link_list.html:1066
 msgid "Load more"
 msgstr ""
 
-#: links/templates/links/link_list.html:681
+#: links/templates/links/link_list.html:720
 msgid "Delete Selected"
 msgstr "删除选中项"
 
-#: links/templates/links/link_list.html:689
+#: links/templates/links/link_list.html:728
 msgid "Latest Posts"
 msgstr "最新文章"
 
-#: links/templates/links/link_list.html:691
+#: links/templates/links/link_list.html:730
 msgid "View all posts"
 msgstr "查看全部文章"
 
-#: links/templates/links/link_list.html:720
+#: links/templates/links/link_list.html:759
 msgid "No posts available yet"
 msgstr "暂无文章"
 
-#: links/templates/links/link_list.html:721
+#: links/templates/links/link_list.html:760
 msgid "Create your first post"
 msgstr "创建你的第一篇文章"
 
-#: links/templates/links/link_list.html:729
+#: links/templates/links/link_list.html:768
 msgid "Pinned Mini Apps"
 msgstr "置顶小应用"
 
-#: links/templates/links/link_list.html:750
+#: links/templates/links/link_list.html:789
 msgid "No mini apps available"
 msgstr "暂无可用小应用"
 
-#: links/templates/links/link_list.html:881
+#: links/templates/links/link_list.html:952
 msgid "No results found"
 msgstr "未找到结果"
 
-#: links/templates/links/link_list.html:959
+#: links/templates/links/link_list.html:1030
 msgid "No matching links found"
 msgstr "未找到匹配的链接"
 
-#: links/templates/links/link_list.html:977
+#: links/templates/links/link_list.html:1048
 #: links/templates/links/settings.html:199
 msgid "Loading…"
 msgstr ""
@@ -2288,3 +2287,6 @@ msgstr ""
 #: templates/pricemon/watcher_form.html:145
 msgid "Testing…"
 msgstr ""
+
+#~ msgid "Shuffle image"
+#~ msgstr "换一张图片"