diff --git a/src/components/UserAvatarMenu/index.scss b/src/components/UserAvatarMenu/index.scss
index 2920e96..34d3f64 100644
--- a/src/components/UserAvatarMenu/index.scss
+++ b/src/components/UserAvatarMenu/index.scss
@@ -16,6 +16,7 @@
   box-sizing: border-box;
   display: block;
   cursor: pointer;
+  overflow: hidden;
 }
 
 .userAvatarMenu__avatarImg {
@@ -418,12 +419,16 @@
 @media (max-width: 860px) {
   .userAvatarMenu:not(.userAvatarMenu_landing),
   .userAvatarMenu:not(.userAvatarMenu_landing) .userAvatarMenu__button,
-  .userAvatarMenu:not(.userAvatarMenu_landing).userAvatarMenu_guest,
-  .userAvatarMenu:not(.userAvatarMenu_landing) .userAvatarMenu__avatarImg {
+  .userAvatarMenu:not(.userAvatarMenu_landing).userAvatarMenu_guest {
     width: 38px;
     height: 38px;
   }
 
+  .userAvatarMenu:not(.userAvatarMenu_landing) .userAvatarMenu__avatarImg {
+    width: 100%;
+    height: 100%;
+  }
+
   .userAvatarMenu:not(.userAvatarMenu_landing) .userAvatarMenu__dropdown {
     right: -8px;
     width: min(327px, calc(100vw - 16px));
diff --git a/src/layouts/Layout/Layout.scss b/src/layouts/Layout/Layout.scss
index 61804a6..3bdef80 100644
--- a/src/layouts/Layout/Layout.scss
+++ b/src/layouts/Layout/Layout.scss
@@ -170,6 +170,10 @@
     justify-content: flex-end;
   }
 
+  .layoutShell__mobileBrand {
+    display: none;
+  }
+
   .layoutShell__topbarRight {
     display: inline-flex;
     align-items: center;
@@ -1023,6 +1027,12 @@
     }
   }
 
+  // "更多"内的移动端导航分区 与 底栏"更多"文字：仅移动端展示，桌面隐藏
+  .layoutShell__footerMenuText,
+  .layoutShell__footerPopoverNav {
+    display: none;
+  }
+
   .layoutShell__footerPopoverPanel {
     position: absolute;
     left: 20px;
@@ -1310,11 +1320,30 @@
       grid-column: 1;
       grid-row: 1;
       padding: 0 12px;
-      justify-content: flex-end;
+      justify-content: space-between;
+      gap: 12px;
+    }
+
+    .layoutShell__mobileBrand {
+      width: 70px;
+      height: 36px;
+      border-radius: 24px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex: 0 0 auto;
+      background: #ffffff;
+    }
+
+    .layoutShell__mobileBrandLogo {
+      width: 70px;
+      height: 36px;
+      display: block;
+      object-fit: contain;
     }
 
     .layoutShell__topbarRight {
-      width: 100%;
+      width: auto;
       gap: 8px;
       justify-content: flex-end;
     }
@@ -1398,12 +1427,12 @@
       width: 100%;
       min-width: 0;
       height: var(--layout-tabbar-height);
-      padding: 6px 10px calc(6px + env(safe-area-inset-bottom, 0px));
+      padding: 6px 6px calc(6px + env(safe-area-inset-bottom, 0px));
       border-top: 1px solid #eeeeee;
-      display: grid;
-      grid-template-columns: minmax(0, 1fr) auto;
+      display: flex;
+      flex-direction: row;
       align-items: center;
-      gap: 8px;
+      gap: 2px;
       overflow: visible;
       box-shadow: 0 -6px 18px rgba(15, 15, 15, 0.06);
     }
@@ -1412,28 +1441,29 @@
       display: none;
     }
 
+    // 底栏 5 等分：4 个主导航项占 4 份，"更多"占 1 份
     .layoutShell__sideNav {
-      width: 100%;
+      flex: 4;
+      width: auto;
       min-width: 0;
       margin-top: 0;
       display: flex;
       flex-direction: row;
-      gap: 4px;
-      overflow-x: auto;
-      overflow-y: hidden;
-      scrollbar-width: none;
-      -ms-overflow-style: none;
+      gap: 2px;
+      overflow: visible;
     }
 
-    .layoutShell__sideNav::-webkit-scrollbar {
+    // 教学/画布等溢出项不进底栏，收进"更多"弹层
+    .layoutShell__sideItem_overflow {
       display: none;
     }
 
     .layoutShell__sideItem {
-      width: clamp(54px, 15vw, 72px);
-      min-width: clamp(54px, 15vw, 72px);
+      flex: 1;
+      width: auto;
+      min-width: 0;
       height: 52px;
-      padding: 6px 4px;
+      padding: 6px 2px;
       border-radius: 16px;
       gap: 2px;
     }
@@ -1460,39 +1490,58 @@
       transform-origin: top right;
     }
 
+    // "更多"占底栏第 5 格
     .layoutShell__footer {
+      flex: 1;
       width: auto;
       height: auto;
       margin-top: 0;
       display: flex;
       flex-direction: row;
       align-items: center;
-      gap: 4px;
     }
 
+    // 订阅/我的退到顶栏头像菜单，底栏不再显示
     .layoutShell__footerNav {
-      width: auto;
-      display: flex;
-      flex-direction: row;
-      gap: 4px;
+      display: none;
     }
 
     .layoutShell__footerPopoverTrigger {
-      width: 44px;
+      flex: 1;
+      width: auto;
       height: 52px;
       margin: 0;
       display: flex;
       align-items: center;
       justify-content: center;
       background: transparent;
-      flex-shrink: 0;
     }
 
+    // "更多"按钮改成与主 Tab 一致的"图标+文字"竖排样式
     .layoutShell__footerMenuBtn {
-      width: 36px;
-      height: 36px;
-      border-radius: 18px;
-      background: #f9f9f9;
+      width: 100%;
+      height: 52px;
+      flex-direction: column;
+      gap: 2px;
+      padding: 6px 2px;
+      border-radius: 16px;
+      background: transparent;
+    }
+
+    // 提高选择器优先级，覆盖桌面基础的 `.layoutShell__footerMenuBtn img` 尺寸
+    .layoutShell__footerMenuBtn .layoutShell__footerMenuIcon {
+      width: 22px;
+      height: 22px;
+    }
+
+    .layoutShell__footerMenuText {
+      display: block;
+      max-width: 100%;
+      color: #333333;
+      font-size: 11px;
+      line-height: 14px;
+      overflow: hidden;
+      text-overflow: ellipsis;
     }
 
     .layoutShell__footerPopoverPanel {
@@ -1504,6 +1553,54 @@
       overflow-y: auto;
     }
 
+    // "更多"弹层里的移动端导航分区（教学/画布）
+    .layoutShell__footerPopoverNav {
+      display: flex;
+      flex-direction: column;
+      padding-bottom: 4px;
+      margin-bottom: 4px;
+      border-bottom: 1px solid #f0f0f0;
+    }
+
+    .layoutShell__footerPopoverNavItem {
+      position: relative;
+      display: flex;
+      align-items: center;
+      gap: 10px;
+      height: 44px;
+      padding: 0 10px;
+      border-radius: 8px;
+      color: #333333;
+      font-size: 13px;
+      text-decoration: none;
+    }
+
+    .layoutShell__footerPopoverNavItem:hover {
+      background: #f0f0f0;
+    }
+
+    .layoutShell__footerPopoverNavItem .layoutShell__sideIcon,
+    .layoutShell__footerPopoverNavItem .layoutShell__sideIconImage {
+      width: 20px;
+      height: 20px;
+    }
+
+    .layoutShell__footerPopoverNavItem_active {
+      color: #6f47f5;
+    }
+
+    .layoutShell__footerPopoverNavItem_active .layoutShell__sideIconImage_default {
+      opacity: 0;
+    }
+
+    .layoutShell__footerPopoverNavItem_active .layoutShell__sideIconImage_active {
+      opacity: 1;
+    }
+
+    .layoutShell__footerPopoverNavBadge {
+      margin-left: auto;
+    }
+
     .layoutShell__contentFrame {
       grid-column: 1;
       grid-row: 2;
diff --git a/src/layouts/Layout/Layout.tsx b/src/layouts/Layout/Layout.tsx
index f33b56c..6b58bde 100644
--- a/src/layouts/Layout/Layout.tsx
+++ b/src/layouts/Layout/Layout.tsx
@@ -136,6 +136,9 @@ const LAYOUT_SIDE_NAV_ITEMS: readonly LayoutSideNavItem[] = [
   },
 ];
 
+// 移动端底部 Tab 栏仅展示这些主导航项（≤899px）；其余项（如 teaching/canvas）收进"更多"弹层，避免底栏溢出滚动。
+const LAYOUT_MOBILE_PRIMARY_NAV_IDS: readonly string[] = ["explore", "characters", "voice", "create"];
+
 const LAYOUT_PROMO_BAR_DISMISSED_KEY = "popiart.layout.promoBar.dismissed";
 const LAYOUT_NOTIFICATION_BROADCAST_CHANNEL = "popiart.layout.notification";
 const LAYOUT_NOTIFICATION_IDLE_POLL_INTERVAL_MS = 60 * 1000;
@@ -969,6 +972,9 @@ export function Layout({ children }: LayoutProps) {
           </div>
         ) : null}
         <header className="layoutShell__topbar" aria-label={t("layout.aria.topbar")} onClick={dismissMainDetailModals}>
+          <Link className="layoutShell__mobileBrand" to={ROUTES.EXPLORE} aria-label={t("layout.brand.aria")}>
+            <img className="layoutShell__mobileBrandLogo" src={LAYOUT_NAV_ASSETS.logo} alt="" />
+          </Link>
           <div className="layoutShell__topbarRight" aria-label={t("layout.aria.userArea")}>
             <div className="layoutShell__topbarNotificationTool" ref={notificationToolRef}>
               <Tooltip content={t("layout.topbar.notification")}>
@@ -1298,7 +1304,8 @@ export function Layout({ children }: LayoutProps) {
             <nav className="layoutShell__sideNav" aria-label={t("layout.aria.sideNav")}>
               {LAYOUT_SIDE_NAV_ITEMS.map((item) => {
                 const isActive = pathname === item.to || (item.to !== "/" && pathname.startsWith(`${item.to}/`));
-                const className = ["layoutShell__sideItem", isActive ? "layoutShell__sideItem_active" : ""].filter(Boolean).join(" ");
+                const isMobileOverflow = !LAYOUT_MOBILE_PRIMARY_NAV_IDS.includes(item.id);
+                const className = ["layoutShell__sideItem", isActive ? "layoutShell__sideItem_active" : "", isMobileOverflow ? "layoutShell__sideItem_overflow" : ""].filter(Boolean).join(" ");
                 return (
                   <Link
                     key={item.id}
@@ -1352,7 +1359,8 @@ export function Layout({ children }: LayoutProps) {
                   aria-expanded={footerPopoverOpen}
                   aria-haspopup="dialog"
                 >
-                  <img src={LAYOUT_NAV_ASSETS.more} alt="" />
+                  <img className="layoutShell__footerMenuIcon" src={LAYOUT_NAV_ASSETS.more} alt="" />
+                  <span className="layoutShell__footerMenuText">{t("layout.nav.more")}</span>
                 </button>
                 {footerPopoverOpen ? (
                   <div
@@ -1363,6 +1371,28 @@ export function Layout({ children }: LayoutProps) {
                       e.stopPropagation();
                     }}
                   >
+                    {/* 移动端：把未进底部 Tab 的导航项（教学/画布）收进"更多"，桌面隐藏 */}
+                    <nav className="layoutShell__footerPopoverNav" aria-label={t("layout.aria.sideNav")}>
+                      {LAYOUT_SIDE_NAV_ITEMS.filter((item) => !LAYOUT_MOBILE_PRIMARY_NAV_IDS.includes(item.id)).map((item) => {
+                        const isActive = pathname === item.to || (item.to !== "/" && pathname.startsWith(`${item.to}/`));
+                        const navItemClassName = ["layoutShell__footerPopoverNavItem", isActive ? "layoutShell__footerPopoverNavItem_active" : ""].filter(Boolean).join(" ");
+                        return (
+                          <Link
+                            key={item.id}
+                            to={item.to}
+                            className={navItemClassName}
+                            onClick={(evt) => {
+                              setFooterPopoverOpen(false);
+                              handleLayoutNavClick(evt, item.to);
+                            }}
+                          >
+                            <LayoutSideNavIcon item={item} />
+                            <span className="layoutShell__footerPopoverNavText">{t(item.labelKey)}</span>
+                            {item.badgeKey ? <span className="layoutShell__footerPopoverNavBadge">{t(item.badgeKey)}</span> : null}
+                          </Link>
+                        );
+                      })}
+                    </nav>
                     <button
                       type="button"
                       className="layoutShell__footerPopoverLink"
diff --git a/src/locales/en-US.json b/src/locales/en-US.json
index a0f28a3..23dc220 100644
--- a/src/locales/en-US.json
+++ b/src/locales/en-US.json
@@ -93,6 +93,7 @@
   "layout.nav.canvas": "POPi.TV",
   "layout.nav.canvasBadge": "BETA",
   "layout.nav.voice": "Voice",
+  "layout.nav.more": "More",
   "layout.nav.points": "Points",
   "layout.topbar.skill": "SKILL",
   "layout.footer.subscribe": "Membership",
diff --git a/src/locales/zh-CN.json b/src/locales/zh-CN.json
index a5271b7..d0f1a05 100644
--- a/src/locales/zh-CN.json
+++ b/src/locales/zh-CN.json
@@ -93,6 +93,7 @@
   "layout.nav.canvas": "画布",
   "layout.nav.canvasBadge": "BETA",
   "layout.nav.voice": "声音",
+  "layout.nav.more": "更多",
   "layout.nav.points": "积分",
   "layout.topbar.skill": "SKILL",
   "layout.footer.subscribe": "会员",
diff --git a/src/locales/zh-TW.json b/src/locales/zh-TW.json
index 364667e..570caa0 100644
--- a/src/locales/zh-TW.json
+++ b/src/locales/zh-TW.json
@@ -93,6 +93,7 @@
   "layout.nav.canvas": "畫布",
   "layout.nav.canvasBadge": "BETA",
   "layout.nav.voice": "聲音",
+  "layout.nav.more": "更多",
   "layout.nav.points": "積分",
   "layout.topbar.skill": "SKILL",
   "layout.footer.subscribe": "會員",
diff --git a/src/pages/Explore/ExploreFeatured/ExploreFeatured.scss b/src/pages/Explore/ExploreFeatured/ExploreFeatured.scss
index e20732b..effd455 100644
--- a/src/pages/Explore/ExploreFeatured/ExploreFeatured.scss
+++ b/src/pages/Explore/ExploreFeatured/ExploreFeatured.scss
@@ -5,7 +5,7 @@
 .explorePage__featured {
   box-sizing: border-box;
   width: min(100%, 1623px);
-  margin: 35px 0 0;
+  margin: 35px auto 0;
 
   .explorePage__featuredGrid {
     display: flex;
diff --git a/src/pages/Explore/ExploreHero/ExploreHero.scss b/src/pages/Explore/ExploreHero/ExploreHero.scss
index 6cce4bc..c8060e5 100644
--- a/src/pages/Explore/ExploreHero/ExploreHero.scss
+++ b/src/pages/Explore/ExploreHero/ExploreHero.scss
@@ -3,7 +3,7 @@
   z-index: 2;
   box-sizing: border-box;
   width: min(100%, 1623px);
-  margin: 0;
+  margin: 0 auto;
   padding-top: 0;
 
   .explorePage__heroCards {
@@ -60,4 +60,4 @@
       height: 170px;
     }
   }
-}
\ No newline at end of file
+}
diff --git a/src/pages/Explore/index.scss b/src/pages/Explore/index.scss
index fb3f066..2764243 100644
--- a/src/pages/Explore/index.scss
+++ b/src/pages/Explore/index.scss
@@ -12,7 +12,7 @@
   .explorePage__feed {
     box-sizing: border-box;
     width: min(100%, 1623px);
-    margin: 34px 0 0;
+    margin: 34px auto 0;
     padding: 0 0 clamp(32px, 3vw, 48px);
 
     .explorePage__feedTabs {