diff --git a/scripts/tauri-dev.cjs b/scripts/tauri-dev.cjs
index 608c935..2b723ce 100644
--- a/scripts/tauri-dev.cjs
+++ b/scripts/tauri-dev.cjs
@@ -34,7 +34,7 @@ async function main() {
   const port = await findAvailablePort(START_PORT)
   const overrideConfig = {
     build: {
-      beforeDevCommand: `npm run dev -- --host --port ${port} --strictPort`,
+      beforeDevCommand: `npm run dev -- --host --port ${port}`,
       devUrl: `http://localhost:${port}`,
     },
   }
diff --git a/src-tauri/src/commands/database.rs b/src-tauri/src/commands/database.rs
index 6dd6909..dd2f8bb 100644
--- a/src-tauri/src/commands/database.rs
+++ b/src-tauri/src/commands/database.rs
@@ -828,139 +828,227 @@ async fn db_sync_apply_internal(
     };
 
     let local_students = load_students(&local_conn).await?;
+    let remote_students = load_students(&remote_conn).await?;
     let local_reasons = load_reasons(&local_conn).await?;
+    let remote_reasons = load_reasons(&remote_conn).await?;
     let local_tags = load_tags(&local_conn).await?;
+    let remote_tags = load_tags(&remote_conn).await?;
     let local_events = load_events(&local_conn).await?;
+    let remote_events = load_events(&remote_conn).await?;
     let local_reward_settings = load_reward_settings(&local_conn).await?;
+    let remote_reward_settings = load_reward_settings(&remote_conn).await?;
     let local_reward_redemptions = load_reward_redemptions(&local_conn).await?;
+    let remote_reward_redemptions = load_reward_redemptions(&remote_conn).await?;
     let local_pairs = load_student_tag_pairs(&local_conn).await?;
     let remote_pairs = load_student_tag_pairs(&remote_conn).await?;
 
-    let (preferred, target) = if strategy == ConflictStrategy::KeepLocal {
-        (&local_conn, &remote_conn)
-    } else {
-        (&remote_conn, &local_conn)
-    };
-
     let mut synced_records = 0usize;
     let mut resolved_conflicts = 0usize;
 
-    for student in local_students.values() {
-        if upsert_student(&remote_conn, student).await? {
-            synced_records += 1;
-        }
-    }
-    let remote_students_after = load_students(&remote_conn).await?;
-    for student in remote_students_after.values() {
-        if upsert_student(&local_conn, student).await? {
-            synced_records += 1;
-        }
-    }
-    for reason in local_reasons.values() {
-        if upsert_reason(&remote_conn, reason).await? {
-            synced_records += 1;
-        }
-    }
-    let remote_reasons_after = load_reasons(&remote_conn).await?;
-    for reason in remote_reasons_after.values() {
-        if upsert_reason(&local_conn, reason).await? {
-            synced_records += 1;
-        }
-    }
-    for tag in local_tags.values() {
-        if upsert_tag(&remote_conn, tag).await? {
-            synced_records += 1;
-        }
-    }
-    let remote_tags_after = load_tags(&remote_conn).await?;
-    for tag in remote_tags_after.values() {
-        if upsert_tag(&local_conn, tag).await? {
-            synced_records += 1;
-        }
-    }
-    for event in local_events.values() {
-        if upsert_event(&remote_conn, event).await? {
-            synced_records += 1;
-        }
-    }
-    let remote_events_after = load_events(&remote_conn).await?;
-    for event in remote_events_after.values() {
-        if upsert_event(&local_conn, event).await? {
-            synced_records += 1;
-        }
-    }
-    for reward in local_reward_settings.values() {
-        if upsert_reward_setting(&remote_conn, reward).await? {
-            synced_records += 1;
-        }
-    }
-    let remote_reward_settings_after = load_reward_settings(&remote_conn).await?;
-    for reward in remote_reward_settings_after.values() {
-        if upsert_reward_setting(&local_conn, reward).await? {
-            synced_records += 1;
-        }
-    }
-    for redemption in local_reward_redemptions.values() {
-        if upsert_reward_redemption(&remote_conn, redemption).await? {
-            synced_records += 1;
-        }
-    }
-    let remote_reward_redemptions_after = load_reward_redemptions(&remote_conn).await?;
-    for redemption in remote_reward_redemptions_after.values() {
-        if upsert_reward_redemption(&local_conn, redemption).await? {
-            synced_records += 1;
+    // Deterministic per-key merge:
+    // 1) local_only => remote
+    // 2) remote_only => local
+    // 3) conflict => resolve by strategy (winner -> loser)
+    let student_keys: std::collections::HashSet<String> = local_students
+        .keys()
+        .chain(remote_students.keys())
+        .cloned()
+        .collect();
+    for key in student_keys {
+        match (local_students.get(&key), remote_students.get(&key)) {
+            (Some(local), Some(remote)) if local != remote => {
+                let changed = if strategy == ConflictStrategy::KeepLocal {
+                    upsert_student(&remote_conn, local).await?
+                } else {
+                    upsert_student(&local_conn, remote).await?
+                };
+                if changed {
+                    resolved_conflicts += 1;
+                }
+            }
+            (Some(local), None) => {
+                if upsert_student(&remote_conn, local).await? {
+                    synced_records += 1;
+                }
+            }
+            (None, Some(remote)) => {
+                if upsert_student(&local_conn, remote).await? {
+                    synced_records += 1;
+                }
+            }
+            _ => {}
         }
     }
 
-    for pair in local_pairs.union(&remote_pairs) {
-        if ensure_student_tag_pair(&local_conn, pair).await? {
-            synced_records += 1;
+    let reason_keys: std::collections::HashSet<String> = local_reasons
+        .keys()
+        .chain(remote_reasons.keys())
+        .cloned()
+        .collect();
+    for key in reason_keys {
+        match (local_reasons.get(&key), remote_reasons.get(&key)) {
+            (Some(local), Some(remote)) if local != remote => {
+                let changed = if strategy == ConflictStrategy::KeepLocal {
+                    upsert_reason(&remote_conn, local).await?
+                } else {
+                    upsert_reason(&local_conn, remote).await?
+                };
+                if changed {
+                    resolved_conflicts += 1;
+                }
+            }
+            (Some(local), None) => {
+                if upsert_reason(&remote_conn, local).await? {
+                    synced_records += 1;
+                }
+            }
+            (None, Some(remote)) => {
+                if upsert_reason(&local_conn, remote).await? {
+                    synced_records += 1;
+                }
+            }
+            _ => {}
         }
+    }
+
+    let tag_keys: std::collections::HashSet<String> = local_tags
+        .keys()
+        .chain(remote_tags.keys())
+        .cloned()
+        .collect();
+    for key in tag_keys {
+        match (local_tags.get(&key), remote_tags.get(&key)) {
+            (Some(local), Some(remote)) if local != remote => {
+                let changed = if strategy == ConflictStrategy::KeepLocal {
+                    upsert_tag(&remote_conn, local).await?
+                } else {
+                    upsert_tag(&local_conn, remote).await?
+                };
+                if changed {
+                    resolved_conflicts += 1;
+                }
+            }
+            (Some(local), None) => {
+                if upsert_tag(&remote_conn, local).await? {
+                    synced_records += 1;
+                }
+            }
+            (None, Some(remote)) => {
+                if upsert_tag(&local_conn, remote).await? {
+                    synced_records += 1;
+                }
+            }
+            _ => {}
+        }
+    }
+
+    let event_keys: std::collections::HashSet<String> = local_events
+        .keys()
+        .chain(remote_events.keys())
+        .cloned()
+        .collect();
+    for key in event_keys {
+        match (local_events.get(&key), remote_events.get(&key)) {
+            (Some(local), Some(remote)) if local != remote => {
+                let changed = if strategy == ConflictStrategy::KeepLocal {
+                    upsert_event(&remote_conn, local).await?
+                } else {
+                    upsert_event(&local_conn, remote).await?
+                };
+                if changed {
+                    resolved_conflicts += 1;
+                }
+            }
+            (Some(local), None) => {
+                if upsert_event(&remote_conn, local).await? {
+                    synced_records += 1;
+                }
+            }
+            (None, Some(remote)) => {
+                if upsert_event(&local_conn, remote).await? {
+                    synced_records += 1;
+                }
+            }
+            _ => {}
+        }
+    }
+
+    let reward_setting_keys: std::collections::HashSet<String> = local_reward_settings
+        .keys()
+        .chain(remote_reward_settings.keys())
+        .cloned()
+        .collect();
+    for key in reward_setting_keys {
+        match (
+            local_reward_settings.get(&key),
+            remote_reward_settings.get(&key),
+        ) {
+            (Some(local), Some(remote)) if local != remote => {
+                let changed = if strategy == ConflictStrategy::KeepLocal {
+                    upsert_reward_setting(&remote_conn, local).await?
+                } else {
+                    upsert_reward_setting(&local_conn, remote).await?
+                };
+                if changed {
+                    resolved_conflicts += 1;
+                }
+            }
+            (Some(local), None) => {
+                if upsert_reward_setting(&remote_conn, local).await? {
+                    synced_records += 1;
+                }
+            }
+            (None, Some(remote)) => {
+                if upsert_reward_setting(&local_conn, remote).await? {
+                    synced_records += 1;
+                }
+            }
+            _ => {}
+        }
+    }
+
+    let redemption_keys: std::collections::HashSet<String> = local_reward_redemptions
+        .keys()
+        .chain(remote_reward_redemptions.keys())
+        .cloned()
+        .collect();
+    for key in redemption_keys {
+        match (
+            local_reward_redemptions.get(&key),
+            remote_reward_redemptions.get(&key),
+        ) {
+            (Some(local), Some(remote)) if local != remote => {
+                let changed = if strategy == ConflictStrategy::KeepLocal {
+                    upsert_reward_redemption(&remote_conn, local).await?
+                } else {
+                    upsert_reward_redemption(&local_conn, remote).await?
+                };
+                if changed {
+                    resolved_conflicts += 1;
+                }
+            }
+            (Some(local), None) => {
+                if upsert_reward_redemption(&remote_conn, local).await? {
+                    synced_records += 1;
+                }
+            }
+            (None, Some(remote)) => {
+                if upsert_reward_redemption(&local_conn, remote).await? {
+                    synced_records += 1;
+                }
+            }
+            _ => {}
+        }
+    }
+
+    for pair in local_pairs.difference(&remote_pairs) {
         if ensure_student_tag_pair(&remote_conn, pair).await? {
             synced_records += 1;
         }
     }
-
-    let preferred_students = load_students(preferred).await?;
-    for student in preferred_students.values() {
-        if upsert_student(target, student).await? {
-            resolved_conflicts += 1;
-        }
-    }
-    let preferred_reasons = load_reasons(preferred).await?;
-    for reason in preferred_reasons.values() {
-        if upsert_reason(target, reason).await? {
-            resolved_conflicts += 1;
-        }
-    }
-    let preferred_tags = load_tags(preferred).await?;
-    for tag in preferred_tags.values() {
-        if upsert_tag(target, tag).await? {
-            resolved_conflicts += 1;
-        }
-    }
-    let preferred_events = load_events(preferred).await?;
-    for event in preferred_events.values() {
-        if upsert_event(target, event).await? {
-            resolved_conflicts += 1;
-        }
-    }
-    let preferred_reward_settings = load_reward_settings(preferred).await?;
-    for reward in preferred_reward_settings.values() {
-        if upsert_reward_setting(target, reward).await? {
-            resolved_conflicts += 1;
-        }
-    }
-    let preferred_reward_redemptions = load_reward_redemptions(preferred).await?;
-    for redemption in preferred_reward_redemptions.values() {
-        if upsert_reward_redemption(target, redemption).await? {
-            resolved_conflicts += 1;
-        }
-    }
-    let preferred_pairs = load_student_tag_pairs(preferred).await?;
-    for pair in &preferred_pairs {
-        if ensure_student_tag_pair(target, pair).await? {
-            resolved_conflicts += 1;
+    for pair in remote_pairs.difference(&local_pairs) {
+        if ensure_student_tag_pair(&local_conn, pair).await? {
+            synced_records += 1;
         }
     }
 
diff --git a/src-tauri/src/services/settings.rs b/src-tauri/src/services/settings.rs
index 670cecf..b41660f 100644
--- a/src-tauri/src/services/settings.rs
+++ b/src-tauri/src/services/settings.rs
@@ -17,6 +17,7 @@ pub struct SettingsSpec {
     pub dashboards_config: JsonValue,
     pub pg_connection_string: String,
     pub pg_connection_status: JsonValue,
+    pub mobile_bottom_nav_items: JsonValue,
 }
 
 impl Default for SettingsSpec {
@@ -34,6 +35,18 @@ impl Default for SettingsSpec {
             dashboards_config: JsonValue::Array(vec![]),
             pg_connection_string: String::new(),
             pg_connection_status: serde_json::json!({"connected": false, "type": "sqlite"}),
+            mobile_bottom_nav_items: serde_json::json!([
+                "home",
+                "students",
+                "score",
+                "auto-score",
+                "reward-settings",
+                "boards",
+                "leaderboard",
+                "settlements",
+                "reasons",
+                "settings"
+            ]),
         }
     }
 }
@@ -52,6 +65,7 @@ pub enum SettingsKey {
     DashboardsConfig,
     PgConnectionString,
     PgConnectionStatus,
+    MobileBottomNavItems,
 }
 
 impl SettingsKey {
@@ -69,6 +83,7 @@ impl SettingsKey {
             SettingsKey::DashboardsConfig => "dashboards_config",
             SettingsKey::PgConnectionString => "pg_connection_string",
             SettingsKey::PgConnectionStatus => "pg_connection_status",
+            SettingsKey::MobileBottomNavItems => "mobile_bottom_nav_items",
         }
     }
 
@@ -86,6 +101,7 @@ impl SettingsKey {
             "dashboards_config" => Some(SettingsKey::DashboardsConfig),
             "pg_connection_string" => Some(SettingsKey::PgConnectionString),
             "pg_connection_status" => Some(SettingsKey::PgConnectionStatus),
+            "mobile_bottom_nav_items" => Some(SettingsKey::MobileBottomNavItems),
             _ => None,
         }
     }
@@ -383,6 +399,48 @@ impl SettingsService {
             },
         );
 
+        defs.insert(
+            SettingsKey::MobileBottomNavItems,
+            SettingDefinition {
+                kind: SettingValueKind::Json,
+                default_value: SettingsValue::Json(serde_json::json!([
+                    "home",
+                    "students",
+                    "score",
+                    "auto-score",
+                    "reward-settings",
+                    "boards",
+                    "leaderboard",
+                    "settlements",
+                    "reasons",
+                    "settings"
+                ])),
+                write_permission: PermissionRequirement::Admin,
+                validate: Some(|v| {
+                    if let SettingsValue::Json(JsonValue::Array(items)) = v {
+                        let allowed = [
+                            "home",
+                            "students",
+                            "score",
+                            "auto-score",
+                            "reward-settings",
+                            "boards",
+                            "leaderboard",
+                            "settlements",
+                            "reasons",
+                            "settings",
+                        ];
+                        return items.iter().all(|item| {
+                            item.as_str()
+                                .map(|s| allowed.contains(&s))
+                                .unwrap_or(false)
+                        });
+                    }
+                    false
+                }),
+            },
+        );
+
         defs
     }
 
@@ -521,6 +579,21 @@ impl SettingsService {
                 SettingsValue::Json(j) => j,
                 _ => serde_json::json!({"connected": false, "type": "sqlite"}),
             },
+            mobile_bottom_nav_items: match self.get_value(SettingsKey::MobileBottomNavItems) {
+                SettingsValue::Json(j) => j,
+                _ => serde_json::json!([
+                    "home",
+                    "students",
+                    "score",
+                    "auto-score",
+                    "reward-settings",
+                    "boards",
+                    "leaderboard",
+                    "settlements",
+                    "reasons",
+                    "settings"
+                ]),
+            },
         }
     }
 
diff --git a/src/App.tsx b/src/App.tsx
index 995e433..da93423 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,5 +1,16 @@
 import { Layout, Modal, Input, message, ConfigProvider, theme as antTheme } from "antd"
-import { HomeOutlined, SettingOutlined } from "@ant-design/icons"
+import {
+  HomeOutlined,
+  SettingOutlined,
+  UserOutlined,
+  HistoryOutlined,
+  SyncOutlined,
+  AppstoreAddOutlined,
+  ApartmentOutlined,
+  UnorderedListOutlined,
+  FileTextOutlined,
+  MoreOutlined,
+} from "@ant-design/icons"
 import { useEffect, useMemo, useRef, useState } from "react"
 import { HashRouter, useLocation, useNavigate, Routes, Route } from "react-router-dom"
 import { useTranslation } from "react-i18next"
@@ -7,6 +18,13 @@ import { Sidebar } from "./components/Sidebar"
 import { ContentArea } from "./components/ContentArea"
 import { OOBE } from "./components/OOBE/OOBE"
 import { ThemeProvider, useTheme } from "./contexts/ThemeContext"
+import {
+  MOBILE_NAV_ITEMS,
+  MobileNavKey,
+  sanitizeMobileNavKeys,
+} from "./shared/mobileNavigation"
+
+const DEFAULT_MOBILE_BOTTOM_NAV_ITEMS: MobileNavKey[] = MOBILE_NAV_ITEMS.map((item) => item.key)
 
 function MainContent(): React.JSX.Element {
   const { t } = useTranslation()
@@ -59,6 +77,10 @@ function MainContent(): React.JSX.Element {
   const [authVisible, setAuthVisible] = useState(false)
   const [authPassword, setAuthPassword] = useState("")
   const [authLoading, setAuthLoading] = useState(false)
+  const [mobileBottomNavItems, setMobileBottomNavItems] = useState<MobileNavKey[]>(
+    DEFAULT_MOBILE_BOTTOM_NAV_ITEMS
+  )
+  const [moreNavVisible, setMoreNavVisible] = useState(false)
   const [isPortraitMode] = useState(defaultPortraitMode)
   const [sidebarCollapsed, setSidebarCollapsed] = useState(defaultPortraitMode)
   const [floatingSidebarExpanded, setFloatingSidebarExpanded] = useState(false)
@@ -107,11 +129,49 @@ function MainContent(): React.JSX.Element {
         setHasAnyPassword(anyPwd)
         if (anyPwd && authRes.data.permission === "view") setAuthVisible(true)
       }
+      const settingsRes = await (window as any).api.getAllSettings()
+      if (settingsRes?.success && settingsRes.data) {
+        setMobileBottomNavItems(
+          sanitizeMobileNavKeys(
+            settingsRes.data.mobile_bottom_nav_items,
+            DEFAULT_MOBILE_BOTTOM_NAV_ITEMS
+          )
+        )
+      }
     }
 
     loadAuthAndSettings()
   }, [])
 
+  useEffect(() => {
+    const api = (window as any).api
+    if (!api || typeof api.onSettingChanged !== "function") return
+
+    let disposed = false
+    let unlisten: (() => void) | null = null
+
+    api
+      .onSettingChanged((change: { key?: string; value?: unknown }) => {
+        if (change?.key !== "mobile_bottom_nav_items") return
+        setMobileBottomNavItems(
+          sanitizeMobileNavKeys(change.value, DEFAULT_MOBILE_BOTTOM_NAV_ITEMS)
+        )
+      })
+      .then((fn: () => void) => {
+        if (disposed) {
+          fn()
+          return
+        }
+        unlisten = fn
+      })
+      .catch(() => void 0)
+
+    return () => {
+      disposed = true
+      if (unlisten) unlisten()
+    }
+  }, [])
+
   useEffect(() => {
     const api = (window as any).api
     if (!api || !isIosDevice) return
@@ -309,6 +369,7 @@ function MainContent(): React.JSX.Element {
 
   const onMenuChange = (v: string) => {
     const key = String(v)
+    setMoreNavVisible(false)
     if (immersiveMode && key !== "home") return
     if (key === "home") navigate("/")
     if (key === "students") navigate("/students")
@@ -355,6 +416,45 @@ function MainContent(): React.JSX.Element {
   const brandColor = currentTheme?.config?.tdesign?.brandColor || "#0052D9"
   const isMobileDevice = isIosDevice || isAndroidDevice
   const showMobileBottomNav = isPortraitMode && !immersiveMode
+  const mobileBottomNavIconMap: Record<MobileNavKey, React.ReactNode> = {
+    home: <HomeOutlined style={{ fontSize: "18px" }} />,
+    students: <UserOutlined style={{ fontSize: "18px" }} />,
+    score: <HistoryOutlined style={{ fontSize: "18px" }} />,
+    "auto-score": <SyncOutlined style={{ fontSize: "18px" }} />,
+    "reward-settings": <AppstoreAddOutlined style={{ fontSize: "18px" }} />,
+    boards: <ApartmentOutlined style={{ fontSize: "18px" }} />,
+    leaderboard: <UnorderedListOutlined style={{ fontSize: "18px" }} />,
+    settlements: <FileTextOutlined style={{ fontSize: "18px" }} />,
+    reasons: <UnorderedListOutlined style={{ fontSize: "18px" }} />,
+    settings: <SettingOutlined style={{ fontSize: "18px" }} />,
+  }
+
+  const mobileBottomVisibleItems = useMemo(() => {
+    const preferredKeys = sanitizeMobileNavKeys(
+      mobileBottomNavItems,
+      DEFAULT_MOBILE_BOTTOM_NAV_ITEMS
+    ).slice()
+    for (const baseKey of ["home", "settings"] as const) {
+      if (!preferredKeys.includes(baseKey)) {
+        preferredKeys.push(baseKey)
+      }
+    }
+
+    return preferredKeys
+      .map((key) => MOBILE_NAV_ITEMS.find((item) => item.key === key))
+      .filter((item): item is (typeof MOBILE_NAV_ITEMS)[number] => Boolean(item))
+      .filter((item) => !(item.adminOnly && permission !== "admin"))
+  }, [mobileBottomNavItems, permission])
+
+  const mobileBottomPrimaryItems = useMemo(
+    () => mobileBottomVisibleItems.slice(0, 4),
+    [mobileBottomVisibleItems]
+  )
+  const mobileBottomOverflowItems = useMemo(
+    () => mobileBottomVisibleItems.slice(4),
+    [mobileBottomVisibleItems]
+  )
+  const isMoreActive = mobileBottomOverflowItems.some((item) => item.key === activeMenu)
 
   return (
     <ConfigProvider
@@ -423,54 +523,91 @@ function MainContent(): React.JSX.Element {
             }}
           >
             <div style={{ display: "flex", height: "60px" }}>
-              <button
-                type="button"
-                onClick={() => onMenuChange("home")}
-                style={{
-                  flex: 1,
-                  border: "none",
-                  background: "transparent",
-                  color:
-                    activeMenu === "home"
+              {mobileBottomPrimaryItems.map((item) => (
+                <button
+                  key={item.key}
+                  type="button"
+                  onClick={() => onMenuChange(item.key)}
+                  style={{
+                    flex: 1,
+                    border: "none",
+                    background: "transparent",
+                    color:
+                      activeMenu === item.key
+                        ? "var(--ant-color-primary)"
+                        : "var(--ss-text-secondary, var(--ss-text-main))",
+                    display: "flex",
+                    flexDirection: "column",
+                    alignItems: "center",
+                    justifyContent: "center",
+                    gap: "2px",
+                    fontSize: "12px",
+                  }}
+                >
+                  {mobileBottomNavIconMap[item.key]}
+                  <span>{t(item.labelKey)}</span>
+                </button>
+              ))}
+              {mobileBottomOverflowItems.length > 0 && (
+                <button
+                  type="button"
+                  onClick={() => setMoreNavVisible(true)}
+                  style={{
+                    flex: 1,
+                    border: "none",
+                    background: "transparent",
+                    color: isMoreActive
                       ? "var(--ant-color-primary)"
                       : "var(--ss-text-secondary, var(--ss-text-main))",
-                  display: "flex",
-                  flexDirection: "column",
-                  alignItems: "center",
-                  justifyContent: "center",
-                  gap: "2px",
-                  fontSize: "12px",
-                }}
-              >
-                <HomeOutlined style={{ fontSize: "18px" }} />
-                <span>{t("sidebar.home")}</span>
-              </button>
-              <button
-                type="button"
-                onClick={() => onMenuChange("settings")}
-                style={{
-                  flex: 1,
-                  border: "none",
-                  background: "transparent",
-                  color:
-                    activeMenu === "home"
-                      ? "var(--ss-text-secondary, var(--ss-text-main))"
-                      : "var(--ant-color-primary)",
-                  display: "flex",
-                  flexDirection: "column",
-                  alignItems: "center",
-                  justifyContent: "center",
-                  gap: "2px",
-                  fontSize: "12px",
-                }}
-              >
-                <SettingOutlined style={{ fontSize: "18px" }} />
-                <span>{t("sidebar.settings")}</span>
-              </button>
+                    display: "flex",
+                    flexDirection: "column",
+                    alignItems: "center",
+                    justifyContent: "center",
+                    gap: "2px",
+                    fontSize: "12px",
+                  }}
+                >
+                  <MoreOutlined style={{ fontSize: "18px" }} />
+                  <span>{t("common.more", "更多")}</span>
+                </button>
+              )}
             </div>
           </div>
         )}
 
+        <Modal
+          title={t("common.more", "更多")}
+          open={moreNavVisible}
+          onCancel={() => setMoreNavVisible(false)}
+          footer={null}
+          width={360}
+        >
+          <div style={{ display: "flex", flexDirection: "column", gap: "8px" }}>
+            {mobileBottomOverflowItems.map((item) => (
+              <button
+                key={item.key}
+                type="button"
+                onClick={() => onMenuChange(item.key)}
+                style={{
+                  border: "1px solid var(--ss-border-color)",
+                  borderRadius: "10px",
+                  background: "var(--ss-card-bg)",
+                  color: "var(--ss-text-main)",
+                  height: "44px",
+                  padding: "0 12px",
+                  display: "flex",
+                  alignItems: "center",
+                  gap: "8px",
+                  fontSize: "14px",
+                }}
+              >
+                {mobileBottomNavIconMap[item.key]}
+                <span>{t(item.labelKey)}</span>
+              </button>
+            ))}
+          </div>
+        </Modal>
+
         <OOBE visible={wizardVisible} onComplete={() => setWizardVisible(false)} />
 
         <Modal
diff --git a/src/components/ContentArea.tsx b/src/components/ContentArea.tsx
index 628f23e..a392750 100644
--- a/src/components/ContentArea.tsx
+++ b/src/components/ContentArea.tsx
@@ -5,8 +5,9 @@ import {
   MenuUnfoldOutlined,
   FullscreenOutlined,
   FullscreenExitOutlined,
+  LeftOutlined,
 } from "@ant-design/icons"
-import { Routes, Route, Navigate, useLocation } from "react-router-dom"
+import { Routes, Route, Navigate, useLocation, useNavigate } from "react-router-dom"
 import { useTranslation } from "react-i18next"
 import { WindowControls } from "./WindowControls"
 import appLogo from "../assets/logoHD.svg"
@@ -92,8 +93,35 @@ export function ContentArea({
 }: ContentAreaProps): React.JSX.Element {
   const { t } = useTranslation()
   const location = useLocation()
+  const navigate = useNavigate()
   const isSubPage = location.pathname !== "/" && !location.pathname.startsWith("/home")
   const shouldAnimateSubPage = isPortraitMode && isSubPage
+  const normalizedPath = location.pathname === "/" ? "/home" : location.pathname
+  const isMobileHeaderMode = isPortraitMode && isMobileDevice && !immersiveMode
+  const isPrimaryMobilePage =
+    normalizedPath.startsWith("/home") || normalizedPath.startsWith("/settings")
+  const showMobileBack = isMobileHeaderMode && !isPrimaryMobilePage
+  const mobilePageTitle = (() => {
+    if (normalizedPath.startsWith("/home")) return t("sidebar.home")
+    if (normalizedPath.startsWith("/students")) return t("sidebar.students")
+    if (normalizedPath.startsWith("/score")) return t("sidebar.score")
+    if (normalizedPath.startsWith("/boards")) return t("sidebar.boards")
+    if (normalizedPath.startsWith("/leaderboard")) return t("sidebar.leaderboard")
+    if (normalizedPath.startsWith("/settlements")) return t("sidebar.settlements")
+    if (normalizedPath.startsWith("/reasons")) return t("sidebar.reasons")
+    if (normalizedPath.startsWith("/auto-score")) return t("sidebar.autoScore")
+    if (normalizedPath.startsWith("/reward-settings")) return t("sidebar.rewardSettings")
+    if (normalizedPath.startsWith("/settings")) return t("sidebar.settings")
+    return "SecScore"
+  })()
+
+  const handleMobileBack = () => {
+    if (window.history.length > 1) {
+      navigate(-1)
+      return
+    }
+    navigate("/settings")
+  }
 
   useEffect(() => {
     let cancelled = false
@@ -165,27 +193,64 @@ export function ContentArea({
             } as React.CSSProperties
           }
         >
-          {!immersiveMode && showSidebarToggle && (
-            <Button
-              type="text"
-              size="small"
-              onClick={onToggleSidebar}
-              icon={
-                floatingExpand && sidebarCollapsed ? (
-                  floatingExpanded ? (
-                    <MenuFoldOutlined />
-                  ) : (
+          {isMobileHeaderMode ? (
+            <div
+              style={{
+                display: "flex",
+                alignItems: "center",
+                minWidth: 0,
+                gap: "6px",
+              }}
+            >
+              {showMobileBack && (
+                <Button
+                  type="text"
+                  size="small"
+                  onClick={handleMobileBack}
+                  icon={<LeftOutlined />}
+                  title={t("settlements.back")}
+                  style={{ width: "32px", height: "32px" }}
+                />
+              )}
+              <div
+                style={{
+                  color: "var(--ss-text-main)",
+                  fontSize: "14px",
+                  fontWeight: 600,
+                  userSelect: "none",
+                  whiteSpace: "nowrap",
+                  overflow: "hidden",
+                  textOverflow: "ellipsis",
+                  maxWidth: "40vw",
+                }}
+              >
+                {mobilePageTitle}
+              </div>
+            </div>
+          ) : (
+            !immersiveMode &&
+            showSidebarToggle && (
+              <Button
+                type="text"
+                size="small"
+                onClick={onToggleSidebar}
+                icon={
+                  floatingExpand && sidebarCollapsed ? (
+                    floatingExpanded ? (
+                      <MenuFoldOutlined />
+                    ) : (
+                      <MenuUnfoldOutlined />
+                    )
+                  ) : sidebarCollapsed ? (
                     <MenuUnfoldOutlined />
+                  ) : (
+                    <MenuFoldOutlined />
                   )
-                ) : sidebarCollapsed ? (
-                  <MenuUnfoldOutlined />
-                ) : (
-                  <MenuFoldOutlined />
-                )
-              }
-              title={sidebarCollapsed ? "展开导航栏" : "收起导航栏"}
-              style={{ width: "32px", height: "32px" }}
-            />
+                }
+                title={sidebarCollapsed ? "展开导航栏" : "收起导航栏"}
+                style={{ width: "32px", height: "32px" }}
+              />
+            )
           )}
         </div>
         <div
diff --git a/src/components/Settings.tsx b/src/components/Settings.tsx
index efe9251..a8fefba 100644
--- a/src/components/Settings.tsx
+++ b/src/components/Settings.tsx
@@ -19,6 +19,11 @@ import { useTranslation } from "react-i18next"
 import { changeLanguage, getCurrentLanguage, languageOptions, AppLanguage } from "../i18n"
 import { useResponsive } from "../hooks/useResponsive"
 import { useLocation, useNavigate } from "react-router-dom"
+import {
+  MOBILE_NAV_ITEMS,
+  MobileNavKey,
+  sanitizeMobileNavKeys,
+} from "../shared/mobileNavigation"
 
 type permissionLevel = "admin" | "points" | "view"
 type appSettings = {
@@ -28,8 +33,11 @@ type appSettings = {
   search_keyboard_layout?: "t9" | "qwerty26"
   disable_search_keyboard?: boolean
   auto_score_enabled?: boolean
+  mobile_bottom_nav_items?: MobileNavKey[]
 }
 
+const DEFAULT_MOBILE_BOTTOM_NAV_ITEMS: MobileNavKey[] = MOBILE_NAV_ITEMS.map((item) => item.key)
+
 const withTimeout = async (
   promise: Promise<any>,
   ms: number,
@@ -65,6 +73,7 @@ export const Settings: React.FC<{
     window_zoom: "1.0",
     search_keyboard_layout: "qwerty26",
     disable_search_keyboard: false,
+    mobile_bottom_nav_items: DEFAULT_MOBILE_BOTTOM_NAV_ITEMS,
   })
 
   const [securityStatus, setSecurityStatus] = useState<{
@@ -140,21 +149,15 @@ export const Settings: React.FC<{
   }, [permission, t])
 
   const mobilePageItems = useMemo(
-    () => [
-      { key: "students", path: "/students", label: t("sidebar.students"), disabled: !canAdmin },
-      { key: "score", path: "/score", label: t("sidebar.score"), disabled: false },
-      { key: "auto-score", path: "/auto-score", label: t("sidebar.autoScore"), disabled: false },
-      {
-        key: "reward-settings",
-        path: "/reward-settings",
-        label: t("sidebar.rewardSettings"),
-        disabled: !canAdmin,
-      },
-      { key: "boards", path: "/boards", label: t("sidebar.boards"), disabled: false },
-      { key: "leaderboard", path: "/leaderboard", label: t("sidebar.leaderboard"), disabled: false },
-      { key: "settlements", path: "/settlements", label: t("sidebar.settlements"), disabled: false },
-      { key: "reasons", path: "/reasons", label: t("sidebar.reasons"), disabled: !canAdmin },
-    ],
+    () =>
+      MOBILE_NAV_ITEMS.filter((item) => item.key !== "home" && item.key !== "settings").map(
+        (item) => ({
+          key: item.key,
+          path: item.path,
+          label: t(item.labelKey),
+          disabled: Boolean(item.adminOnly) && !canAdmin,
+        })
+      ),
     [canAdmin, t]
   )
 
@@ -181,7 +184,13 @@ export const Settings: React.FC<{
     if (!(window as any).api) return
     const res = await (window as any).api.getAllSettings()
     if (res.success && res.data) {
-      setSettings(res.data)
+      setSettings({
+        ...res.data,
+        mobile_bottom_nav_items: sanitizeMobileNavKeys(
+          res.data.mobile_bottom_nav_items,
+          DEFAULT_MOBILE_BOTTOM_NAV_ITEMS
+        ),
+      })
       setPgConnectionString(res.data.pg_connection_string || "")
       setPgConnectionStatus(res.data.pg_connection_status || { connected: true, type: "sqlite" })
     }
@@ -211,6 +220,15 @@ export const Settings: React.FC<{
             return { ...prev, disable_search_keyboard: Boolean(change.value) }
           if (change?.key === "auto_score_enabled")
             return { ...prev, auto_score_enabled: change.value }
+          if (change?.key === "mobile_bottom_nav_items") {
+            return {
+              ...prev,
+              mobile_bottom_nav_items: sanitizeMobileNavKeys(
+                change.value,
+                DEFAULT_MOBILE_BOTTOM_NAV_ITEMS
+              ),
+            }
+          }
           return prev
         })
       })
@@ -619,6 +637,18 @@ export const Settings: React.FC<{
     })
   }
 
+  const handleMobileBottomNavChange = async (value: string[]) => {
+    if (!(window as any).api) return
+    const next = sanitizeMobileNavKeys(value, DEFAULT_MOBILE_BOTTOM_NAV_ITEMS)
+    const res = await (window as any).api.setSetting("mobile_bottom_nav_items", next)
+    if (res.success) {
+      setSettings((prev) => ({ ...prev, mobile_bottom_nav_items: next }))
+      messageApi.success(t("settings.general.saved"))
+    } else {
+      messageApi.error(res.message || t("settings.general.saveFailed"))
+    }
+  }
+
   const tabItems = [
     {
       key: "appearance",
@@ -745,6 +775,28 @@ export const Settings: React.FC<{
                 {t("settings.zoomHint")}
               </div>
             </Form.Item>
+
+            {mobileNavigationEnabled && (
+              <Form.Item label={t("settings.mobile.bottomNav.label")}>
+                <Select
+                  mode="multiple"
+                  value={settings.mobile_bottom_nav_items || DEFAULT_MOBILE_BOTTOM_NAV_ITEMS}
+                  onChange={(v) => handleMobileBottomNavChange(v as string[])}
+                  style={{ width: "100%", maxWidth: "520px" }}
+                  disabled={!canAdmin}
+                  options={MOBILE_NAV_ITEMS.map((item) => ({
+                    value: item.key,
+                    label: t(item.labelKey),
+                    disabled: Boolean(item.adminOnly) && !canAdmin,
+                  }))}
+                />
+                <div
+                  style={{ marginTop: "4px", fontSize: "12px", color: "var(--ss-text-secondary)" }}
+                >
+                  {t("settings.mobile.bottomNav.hint")}
+                </div>
+              </Form.Item>
+            )}
           </Form>
         </Card>
       ),
diff --git a/src/i18n/locales/en-US.json b/src/i18n/locales/en-US.json
index e194c5e..842b71f 100644
--- a/src/i18n/locales/en-US.json
+++ b/src/i18n/locales/en-US.json
@@ -34,7 +34,8 @@
     "pleaseSelect": "Please select",
     "pleaseEnter": "Please enter",
     "readOnly": "Read-only mode",
-    "none": "None"
+    "none": "None",
+    "more": "More"
   },
   "oobe": {
     "title": "Welcome to SecScore",
@@ -161,6 +162,13 @@
       "saveFailed": "Save failed"
     },
     "zoomHint": "Adjust the overall size of the application interface",
+    "mobile": {
+      "navigationTitle": "Page Shortcuts",
+      "bottomNav": {
+        "label": "Bottom Navigation Features",
+        "hint": "Choose which features appear in the mobile bottom bar. The bar shows up to 4 items; extra items go under \"More\"."
+      }
+    },
     "zoomUpdated": "Interface zoom updated",
     "updateFailed": "Update failed",
     "security": {
diff --git a/src/i18n/locales/zh-CN.json b/src/i18n/locales/zh-CN.json
index f82b8fb..3037249 100644
--- a/src/i18n/locales/zh-CN.json
+++ b/src/i18n/locales/zh-CN.json
@@ -34,7 +34,8 @@
     "pleaseSelect": "请选择",
     "pleaseEnter": "请输入",
     "readOnly": "当前为只读权限",
-    "none": "无"
+    "none": "无",
+    "more": "更多"
   },
   "oobe": {
     "title": "欢迎使用 SecScore",
@@ -161,6 +162,13 @@
       "saveFailed": "保存失败"
     },
     "zoomHint": "调节应用界面的整体大小",
+    "mobile": {
+      "navigationTitle": "页面入口",
+      "bottomNav": {
+        "label": "底部导航功能",
+        "hint": "可选择要出现在手机底部导航的功能。底栏最多展示 4 项，其余会自动收纳到“更多”。"
+      }
+    },
     "zoomUpdated": "界面缩放已更新",
     "updateFailed": "更新失败",
     "security": {
diff --git a/src/preload/types.ts b/src/preload/types.ts
index 78c6b22..8c527ce 100644
--- a/src/preload/types.ts
+++ b/src/preload/types.ts
@@ -35,6 +35,7 @@ export type settingsKey =
   | "dashboards_config"
   | "pg_connection_string"
   | "pg_connection_status"
+  | "mobile_bottom_nav_items"
 
 export interface settingsSpec {
   is_wizard_completed: boolean
@@ -53,6 +54,7 @@ export interface settingsSpec {
     type: "sqlite" | "postgresql"
     error?: string
   }
+  mobile_bottom_nav_items: string[]
 }
 
 const api = {
diff --git a/src/shared/mobileNavigation.ts b/src/shared/mobileNavigation.ts
new file mode 100644
index 0000000..7142aa4
--- /dev/null
+++ b/src/shared/mobileNavigation.ts
@@ -0,0 +1,55 @@
+export const MOBILE_NAV_ALL_KEYS = [
+  "home",
+  "students",
+  "score",
+  "auto-score",
+  "reward-settings",
+  "boards",
+  "leaderboard",
+  "settlements",
+  "reasons",
+  "settings",
+] as const
+
+export type MobileNavKey = (typeof MOBILE_NAV_ALL_KEYS)[number]
+
+export interface MobileNavItemConfig {
+  key: MobileNavKey
+  path: string
+  labelKey: string
+  adminOnly?: boolean
+}
+
+export const MOBILE_NAV_ITEMS: MobileNavItemConfig[] = [
+  { key: "home", path: "/home", labelKey: "sidebar.home" },
+  { key: "students", path: "/students", labelKey: "sidebar.students", adminOnly: true },
+  { key: "score", path: "/score", labelKey: "sidebar.score" },
+  { key: "auto-score", path: "/auto-score", labelKey: "sidebar.autoScore" },
+  {
+    key: "reward-settings",
+    path: "/reward-settings",
+    labelKey: "sidebar.rewardSettings",
+    adminOnly: true,
+  },
+  { key: "boards", path: "/boards", labelKey: "sidebar.boards" },
+  { key: "leaderboard", path: "/leaderboard", labelKey: "sidebar.leaderboard" },
+  { key: "settlements", path: "/settlements", labelKey: "sidebar.settlements" },
+  { key: "reasons", path: "/reasons", labelKey: "sidebar.reasons", adminOnly: true },
+  { key: "settings", path: "/settings", labelKey: "sidebar.settings" },
+]
+
+const MOBILE_NAV_KEY_SET = new Set<string>(MOBILE_NAV_ALL_KEYS)
+
+export const sanitizeMobileNavKeys = (
+  input: unknown,
+  fallback: MobileNavKey[] = MOBILE_NAV_ITEMS.map((item) => item.key)
+): MobileNavKey[] => {
+  if (!Array.isArray(input)) return fallback
+  const deduped: MobileNavKey[] = []
+  for (const rawKey of input) {
+    if (typeof rawKey !== "string" || !MOBILE_NAV_KEY_SET.has(rawKey)) continue
+    const key = rawKey as MobileNavKey
+    if (!deduped.includes(key)) deduped.push(key)
+  }
+  return deduped.length > 0 ? deduped : fallback
+}
diff --git a/vite.config.ts b/vite.config.ts
index f866ea9..6812fc3 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -20,7 +20,7 @@ export default defineConfig({
   server: {
     host: process.env.TAURI_DEV_HOST || false,
     port: 1420,
-    strictPort: true,
+    strictPort: false,
     hmr: process.env.TAURI_DEV_HOST
       ? {
           protocol: "ws",