diff --git a/pages/chat/chat.vue b/pages/chat/chat.vue
index 68fa37b..3364f9b 100644
--- a/pages/chat/chat.vue
+++ b/pages/chat/chat.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-chat">
-    <view class="nav-bar">
+    <view class="nav-bar" :style="{ top: statusBarHeight + 'px' }">
       <text class="nav-back" @tap="goBack">←</text>
       <text class="nav-title">💬 调酒师</text>
       <text></text>
@@ -33,14 +33,13 @@ export default {
     const messages = ref([])
     const inputText = ref('')
     const scrollToId = ref('')
+    const statusBarHeight = ref(0)
     let lastId = 0
 
     async function loadMessages() {
       try {
         const res = await get(API.MESSAGE_LIST, { card_no: card.cardNo, since: lastId })
         if (Array.isArray(res) && res.length > 0) {
-          const newMsgs = res.filter(m => m.senderType === 'staff')
-          if (newMsgs.length > 0) card.incrementUnread(newMsgs.length)
           messages.value = [...messages.value, ...res]
           lastId = res[res.length - 1].id
           scrollToId.value = 'chat-bottom'
@@ -48,6 +47,13 @@ export default {
       } catch (e) {}
     }
 
+    async function markRead() {
+      try {
+        await post(API.MESSAGE_READ, { card_no: card.cardNo })
+        card.clearUnread()
+      } catch (e) {}
+    }
+
     async function sendMsg() {
       const content = inputText.value.trim()
       if (!content) return
@@ -58,22 +64,26 @@ export default {
       } catch (e) {}
     }
 
-    function goBack() { card.clearUnread(); uni.navigateBack() }
+    function goBack() { uni.navigateBack() }
 
-    onMounted(() => { card.clearUnread(); loadMessages(); startPoll('chat', loadMessages, 5000) })
+    onMounted(() => {
+      const systemInfo = uni.getSystemInfoSync()
+      statusBarHeight.value = systemInfo.statusBarHeight
+      loadMessages(); markRead(); startPoll('chat', loadMessages, 5000)
+    })
     onUnmounted(() => stopPoll('chat'))
 
-    return { messages, inputText, scrollToId, sendMsg, goBack }
+    return { messages, inputText, scrollToId, statusBarHeight, sendMsg, goBack }
   }
 }
 </script>
 
 <style scoped>
 .page-chat{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);width:100%}
-.nav-bar{height:100rpx;position:sticky;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);flex-shrink:0}
+.nav-bar{height:100rpx;position:fixed;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);width:100%}
 .nav-back{font-size:36rpx;color:var(--text-dim)}
 .nav-title{font-size:32rpx;font-weight:800;color:var(--gold)}
-.chat-list{flex:1;padding:16rpx 0}
+.chat-list{flex:1;padding:16rpx 0;margin-top:100rpx}
 .chat-input-bar{display:flex;align-items:center;padding:16rpx 24rpx;padding-bottom:calc(16rpx + var(--safe-b));background:var(--bg-card);border-top:1px solid var(--border);gap:16rpx}
 .chat-input{flex:1;height:76rpx;background:var(--bg);border-radius:16rpx;padding:0 28rpx;font-size:28rpx;color:var(--text)}
 .chat-send{width:104rpx;height:72rpx;border-radius:16rpx;background:var(--blue);color:#fff;border:none;font-size:26rpx;font-weight:700}
diff --git a/pages/confirm/confirm.vue b/pages/confirm/confirm.vue
index f47f7bb..76db7b3 100644
--- a/pages/confirm/confirm.vue
+++ b/pages/confirm/confirm.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-confirm">
-    <view class="nav-bar">
+    <view class="nav-bar" :style="{ top: statusBarHeight + 'px' }">
       <text class="nav-back" @tap="goBack">←</text>
       <text class="nav-title">确认下单</text>
       <text></text>
@@ -56,6 +56,7 @@ export default {
     const presets = ref([])
     const note = ref('')
     const submitting = ref(false)
+    const statusBarHeight = ref(0)
 
     function goBack() { uni.navigateBack() }
 
@@ -76,17 +77,21 @@ export default {
       submitting.value = false
     }
 
-    return { cart, presets, note, submitting, goBack, onSubmit }
+    return { cart, presets, note, submitting, statusBarHeight, goBack, onSubmit }
+  },
+  created() {
+    const systemInfo = uni.getSystemInfoSync()
+    this.statusBarHeight = systemInfo.statusBarHeight
   }
 }
 </script>
 
 <style scoped>
 .page-confirm{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);width:100%}
-.nav-bar{height:100rpx;position:sticky;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);flex-shrink:0}
+.nav-bar{height:100rpx;position:fixed;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);width:100%}
 .nav-back{font-size:36rpx;color:var(--text-dim)}
 .nav-title{font-size:32rpx;font-weight:800;color:var(--gold)}
-.confirm-body{flex:1;padding:0 28rpx}
+.confirm-body{flex:1;padding:0 28rpx;margin-top:100rpx}
 .section{padding:20rpx 0;border-bottom:1px solid var(--border)}
 .section-title{font-size:28rpx;font-weight:700;color:var(--gold);display:block;margin-bottom:16rpx}
 .confirm-item{display:flex;align-items:center;padding:16rpx 0;gap:16rpx}
diff --git a/pages/index/index.vue b/pages/index/index.vue
index 73f5dd5..d48de63 100644
--- a/pages/index/index.vue
+++ b/pages/index/index.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-index">
-    <view class="nav-bar">
+    <view class="nav-bar" :style="{ top: statusBarHeight + 'px' }">
       <view class="nav-left">
         <text class="nav-logo">🍸</text>
         <text class="nav-brand">纯瘾大</text>
@@ -76,6 +76,7 @@ export default {
     const generated = ref(false)
     const inputNo = ref('')
     const cardNo = ref('')
+    const statusBarHeight = ref(0)
     let navTimer = null
 
     function goMenu() {
@@ -121,7 +122,11 @@ export default {
     function goMyOrders() { uni.navigateTo({ url: '/pages/orders/orders' }) }
     function goStaffLogin() { uni.navigateTo({ url: '/pages/staff/login' }) }
 
-    return { showModal, generated, inputNo, cardNo, onGenerate, onCheck, onMaskTap, goMyOrders, goStaffLogin }
+    return { showModal, generated, inputNo, cardNo, statusBarHeight, onGenerate, onCheck, onMaskTap, goMyOrders, goStaffLogin }
+  },
+  created() {
+    const systemInfo = uni.getSystemInfoSync()
+    this.statusBarHeight = systemInfo.statusBarHeight
   }
 }
 </script>
@@ -129,7 +134,7 @@ export default {
 <style scoped>
 
 .page-index{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);width:100%}
-.nav-bar{height:100rpx;position:sticky;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);flex-shrink:0}
+.nav-bar{height:100rpx;position:fixed;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);width:100%}
 .nav-left{display:flex;align-items:center;gap:16rpx}
 .nav-logo{font-size:44rpx}
 .nav-brand{font-size:40rpx;font-weight:900;color:var(--gold);letter-spacing:4rpx}
diff --git a/pages/menu/menu.vue b/pages/menu/menu.vue
index e23db75..68a5227 100644
--- a/pages/menu/menu.vue
+++ b/pages/menu/menu.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-menu">
-    <view class="nav-bar">
+    <view class="nav-bar" :style="{ top: statusBarHeight + 'px' }">
       <view class="nav-left">
         <text class="nav-logo">🍸</text>
         <text class="nav-brand">纯瘾大</text>
@@ -87,6 +87,7 @@ export default {
     const showCart = ref(false)
     const bellPressed = ref(false)
     const bellWaving = ref(false)
+    const statusBarHeight = ref(0)
 
     async function loadCategories() {
       try {
@@ -128,24 +129,26 @@ export default {
     function goMyOrders() { uni.navigateTo({ url: '/pages/orders/orders' }) }
 
     onMounted(async () => {
+      const systemInfo = uni.getSystemInfoSync()
+      statusBarHeight.value = systemInfo.statusBarHeight
       await loadCategories()
       await loadProducts('all')
     })
 
-    return { card, cart, categories, activeCate, products, showCart, bellPressed, bellWaving, onCateChange, onAddToCart, onBellPress, onGoConfirm, goMyOrders }
+    return { card, cart, categories, activeCate, products, showCart, bellPressed, bellWaving, statusBarHeight, onCateChange, onAddToCart, onBellPress, onGoConfirm, goMyOrders }
   }
 }
 </script>
 
 <style scoped>
 .page-menu{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);width:100%}
-.nav-bar{height:100rpx;position:sticky;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);flex-shrink:0}
+.nav-bar{height:100rpx;position:fixed;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);width:100%}
 .nav-left{display:flex;align-items:center;gap:16rpx}
 .nav-logo{font-size:44rpx}
 .nav-brand{font-size:40rpx;font-weight:900;color:var(--gold);letter-spacing:4rpx}
 .card-badge{background:linear-gradient(135deg,var(--gold-dark),var(--gold));color:#1A1A1A;padding:10rpx 24rpx;border-radius:28rpx;font-weight:800;font-size:26rpx;letter-spacing:6rpx;animation:card-appear-top .5s ease}
 .my-btn{font-size:26rpx;color:var(--gold);font-weight:600}
-.menu-scroll{flex:1}
+.menu-scroll{flex:1;margin-top:100rpx}
 .product-grid{padding:16rpx 20rpx}
 .empty-state{display:flex;flex-direction:column;align-items:center;padding:120rpx 0}
 .empty-icon{font-size:112rpx;opacity:.3}
diff --git a/pages/orders/orders.vue b/pages/orders/orders.vue
index 18470d4..18f258f 100644
--- a/pages/orders/orders.vue
+++ b/pages/orders/orders.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-orders">
-    <view class="nav-bar">
+    <view class="nav-bar" :style="{ top: statusBarHeight + 'px' }">
       <text class="nav-back" @tap="goBack">←</text>
       <text class="nav-title">我的订单</text>
       <text></text>
@@ -11,7 +11,7 @@
         <template #actions>
           <view class="card-actions">
             <button v-if="o.status===0" class="action-btn action-remind" @tap="onRemind(o.id)">🔔 催单</button>
-            <button v-if="o.status!==3" class="action-btn action-chat" @tap="onChat">
+            <button v-if="o.status!==3 && o.status!==2" class="action-btn action-chat" @tap="onChat">
               💬 联系调酒师
               <text v-if="card.unread > 0" class="unread-dot">{{ card.unread }}</text>
             </button>
@@ -41,6 +41,7 @@ export default {
   setup() {
     const card = useCardStore()
     const orders = ref([])
+    const statusBarHeight = ref(0)
 
     async function loadOrders() {
       try {
@@ -68,20 +69,24 @@ export default {
     function goBack() { uni.navigateBack() }
     function goMenu() { uni.navigateBack() }
 
-    onMounted(() => { loadOrders(); checkUnread(); startPoll('orders', loadOrders, 15000); startPoll('ordersUnread', checkUnread, 10000) })
+    onMounted(() => {
+      const systemInfo = uni.getSystemInfoSync()
+      statusBarHeight.value = systemInfo.statusBarHeight
+      loadOrders(); checkUnread(); startPoll('orders', loadOrders, 15000); startPoll('ordersUnread', checkUnread, 10000)
+    })
     onUnmounted(() => { stopPoll('orders'); stopPoll('ordersUnread') })
 
-    return { card, orders, onRemind, onChat, goBack, goMenu }
+    return { card, orders, statusBarHeight, onRemind, onChat, goBack, goMenu }
   }
 }
 </script>
 
 <style scoped>
 .page-orders{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);width:100%}
-.nav-bar{height:100rpx;position:sticky;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);flex-shrink:0}
+.nav-bar{height:100rpx;position:fixed;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);width:100%}
 .nav-back{font-size:36rpx;color:var(--text-dim)}
 .nav-title{font-size:32rpx;font-weight:800;color:var(--gold)}
-.orders-body{flex:1;padding:20rpx}
+.orders-body{flex:1;padding:20rpx;margin-top:100rpx}
 .card-actions{display:flex;gap:16rpx;padding-top:16rpx}
 .action-btn{padding:12rpx 28rpx;border-radius:24rpx;font-size:24rpx;font-weight:600;border:none;position:relative}
 .action-remind{background:rgba(255,59,59,.15);color:var(--red)}
diff --git a/pages/staff/board.vue b/pages/staff/board.vue
index b20c0b9..95d1fd5 100644
--- a/pages/staff/board.vue
+++ b/pages/staff/board.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-staff-board">
-    <view class="nav-bar">
+    <view class="nav-bar" :style="{ top: statusBarHeight + 'px' }">
       <view class="nav-left">
         <text class="nav-logo">🍸</text>
         <text class="nav-brand">纯瘾大</text>
@@ -24,7 +24,7 @@
         <template #actions>
           <view class="board-actions">
             <button class="ba-btn ba-gold" @tap="onDetail(o)">📖 详情</button>
-            <button v-if="o.status!==3" class="ba-btn ba-blue" @tap="onChat(o)">💬 聊天</button>
+            <button v-if="o.status!==3 && o.status!==2" class="ba-btn ba-blue" @tap="onChat(o)">💬 聊天</button>
             <button v-if="o.status===0" class="ba-btn ba-gold" @tap="onConfirm(o.id)">✅ 接单</button>
             <button v-if="o.status===0" class="ba-btn ba-red" @tap="onCancel(o.id)">❌ 拒单</button>
             <button v-if="o.status===1" class="ba-btn ba-gold" @tap="onDone(o.id)">✔ 结单</button>
@@ -62,6 +62,7 @@ export default {
     const recipeVisible = ref(false)
     const recipeCardNo = ref('')
     const recipeItems = ref([])
+    const statusBarHeight = ref(0)
 
     async function loadOrders() {
       try {
@@ -94,22 +95,26 @@ export default {
     function onChat(order) { uni.setStorageSync('chatCardNo', order.cardNo); uni.navigateTo({ url: '/pages/staff/chat' }) }
     function onLogout() { staff.logout(); uni.redirectTo({ url: '/pages/staff/login' }) }
 
-    onMounted(() => { loadOrders(); loadCounts(); startPoll('board', () => { loadOrders(); loadCounts() }, 10000) })
+    onMounted(() => {
+      const systemInfo = uni.getSystemInfoSync()
+      statusBarHeight.value = systemInfo.statusBarHeight
+      loadOrders(); loadCounts(); startPoll('board', () => { loadOrders(); loadCounts() }, 10000)
+    })
     onUnmounted(() => stopPoll('board'))
 
-    return { staff, tabs, activeTab, orders, counts, recipeVisible, recipeCardNo, recipeItems, switchTab, onConfirm, onCancel, onDone, onDetail, onRecipe, onChat, onLogout }
+    return { staff, tabs, activeTab, orders, counts, recipeVisible, recipeCardNo, recipeItems, statusBarHeight, switchTab, onConfirm, onCancel, onDone, onDetail, onRecipe, onChat, onLogout }
   }
 }
 </script>
 
 <style scoped>
 .page-staff-board{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);width:100%}
-.nav-bar{height:100rpx;position:sticky;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);flex-shrink:0}
+.nav-bar{height:100rpx;position:fixed;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);width:100%}
 .nav-left{display:flex;align-items:center;gap:16rpx}
 .nav-logo{font-size:44rpx}
 .nav-brand{font-size:32rpx;font-weight:900;color:var(--gold)}
 .logout-btn{font-size:26rpx;color:var(--red)}
-.staff-info{background:var(--bg-card);padding:16rpx 32rpx;font-size:24rpx;color:var(--text-dim);border-bottom:1px solid var(--border)}
+.staff-info{background:var(--bg-card);padding:16rpx 32rpx;font-size:24rpx;color:var(--text-dim);border-bottom:1px solid var(--border);margin-top:100rpx}
 .board-tabs{display:flex;border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0}
 .board-tab{flex:1;padding:24rpx;text-align:center;font-size:26rpx;font-weight:600;color:var(--text-dim);border-bottom:4rpx solid transparent}
 .board-tab.active{color:var(--gold);border-bottom-color:var(--gold)}
diff --git a/pages/staff/chat.vue b/pages/staff/chat.vue
index 6fb499a..61a161e 100644
--- a/pages/staff/chat.vue
+++ b/pages/staff/chat.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-staff-chat">
-    <view class="nav-bar">
+    <view class="nav-bar" :style="{ top: statusBarHeight + 'px' }">
       <text class="nav-back" @tap="goBack">←</text>
       <text class="nav-title">💬 客人对话</text>
       <text></text>
@@ -34,14 +34,13 @@ export default {
     const messages = ref([])
     const inputText = ref('')
     const scrollToId = ref('')
+    const statusBarHeight = ref(0)
     let lastId = 0
 
     async function loadMessages() {
       try {
         const res = await get(API.MESSAGE_LIST, { card_no: cardNo.value, since: lastId })
         if (Array.isArray(res) && res.length > 0) {
-          const newMsgs = res.filter(m => m.senderType === 'customer')
-          if (newMsgs.length > 0) staff.incrementUnread(newMsgs.length)
           messages.value = [...messages.value, ...res]
           lastId = res[res.length - 1].id
           scrollToId.value = 'chat-bottom'
@@ -49,6 +48,13 @@ export default {
       } catch (e) {}
     }
 
+    async function markRead() {
+      try {
+        await post(API.MESSAGE_READ, { card_no: cardNo.value, staff_id: staff.staffId })
+        staff.clearUnread()
+      } catch (e) {}
+    }
+
     async function sendMsg() {
       const content = inputText.value.trim()
       if (!content) return
@@ -59,22 +65,26 @@ export default {
       } catch (e) {}
     }
 
-    function goBack() { staff.clearUnread(); uni.navigateBack() }
+    function goBack() { uni.navigateBack() }
 
-    onMounted(() => { staff.clearUnread(); loadMessages(); startPoll('staffChat', loadMessages, 5000) })
+    onMounted(() => {
+      const systemInfo = uni.getSystemInfoSync()
+      statusBarHeight.value = systemInfo.statusBarHeight
+      loadMessages(); markRead(); startPoll('staffChat', loadMessages, 5000)
+    })
     onUnmounted(() => stopPoll('staffChat'))
 
-    return { cardNo, messages, inputText, scrollToId, sendMsg, goBack }
+    return { cardNo, messages, inputText, scrollToId, statusBarHeight, sendMsg, goBack }
   }
 }
 </script>
 
 <style scoped>
 .page-staff-chat{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);width:100%}
-.nav-bar{height:100rpx;position:sticky;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);flex-shrink:0}
+.nav-bar{height:100rpx;position:fixed;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);width:100%}
 .nav-back{font-size:36rpx;color:var(--text-dim)}
 .nav-title{font-size:32rpx;font-weight:800;color:var(--gold)}
-.chat-list{flex:1;padding:16rpx 0}
+.chat-list{flex:1;padding:16rpx 0;margin-top:100rpx}
 .chat-input-bar{display:flex;align-items:center;padding:16rpx 24rpx;padding-bottom:calc(16rpx + var(--safe-b));background:var(--bg-card);border-top:1px solid var(--border);gap:16rpx}
 .chat-input{flex:1;height:76rpx;background:var(--bg);border-radius:16rpx;padding:0 28rpx;font-size:28rpx;color:var(--text)}
 .chat-send{width:104rpx;height:72rpx;border-radius:16rpx;background:var(--blue);color:#fff;border:none;font-size:26rpx;font-weight:700}
diff --git a/pages/staff/detail.vue b/pages/staff/detail.vue
index ad039d7..16356a0 100644
--- a/pages/staff/detail.vue
+++ b/pages/staff/detail.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-staff-detail">
-    <view class="nav-bar">
+    <view class="nav-bar" :style="{ top: statusBarHeight + 'px' }">
       <text class="nav-back" @tap="goBack">←</text>
       <text class="nav-title">订单详情</text>
       <text></text>
@@ -41,7 +41,7 @@
     <view v-if="order" class="detail-actions">
       <button v-if="order.status===0" class="da-btn da-confirm" @tap="onConfirm">✅ 接单</button>
       <button v-if="order.status===1" class="da-btn da-done" @tap="onDone">✔ 结单</button>
-      <button v-if="order.status!==3" class="da-btn da-chat" @tap="onChat">💬 聊天</button>
+      <button v-if="order.status!==3 && order.status!==2" class="da-btn da-chat" @tap="onChat">💬 聊天</button>
     </view>
   </view>
 </template>
@@ -55,6 +55,7 @@ export default {
   setup() {
     const order = ref(null)
     const orderId = ref(0)
+    const statusBarHeight = ref(0)
     const statusLabel = computed(() => order.value ? ORDER_STATUS[order.value.status]?.label : '')
     const statusColor = computed(() => order.value ? ORDER_STATUS[order.value.status]?.color : '')
 
@@ -67,9 +68,11 @@ export default {
     function onChat() { uni.setStorageSync('chatCardNo', order.value.cardNo); uni.navigateTo({ url: '/pages/staff/chat' }) }
     function goBack() { uni.navigateBack() }
 
-    return { order, statusLabel, statusColor, orderId, loadDetail, onConfirm, onDone, onChat, goBack }
+    return { order, statusLabel, statusColor, statusBarHeight, orderId, loadDetail, onConfirm, onDone, onChat, goBack }
   },
   onLoad(options) {
+    const systemInfo = uni.getSystemInfoSync()
+    this.statusBarHeight = systemInfo.statusBarHeight
     this.orderId = parseInt(options.id) || 0
     this.loadDetail()
   }
@@ -78,10 +81,10 @@ export default {
 
 <style scoped>
 .page-staff-detail{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);width:100%}
-.nav-bar{height:100rpx;position:sticky;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);flex-shrink:0}
+.nav-bar{height:100rpx;position:fixed;top:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 28rpx;border-bottom:1px solid var(--border);width:100%}
 .nav-back{font-size:36rpx;color:var(--text-dim)}
 .nav-title{font-size:32rpx;font-weight:800;color:var(--gold)}
-.detail-body{flex:1;padding:28rpx}
+.detail-body{flex:1;padding:28rpx;margin-top:100rpx}
 .detail-card{background:var(--bg-card);border-radius:var(--radius);padding:32rpx;margin-bottom:24rpx;border:1px solid var(--border)}
 .detail-row{display:flex;justify-content:space-between;padding:10rpx 0;font-size:28rpx;color:var(--text)}
 .section-title{font-size:28rpx;font-weight:700;color:var(--gold);display:block;margin-bottom:20rpx}
diff --git a/uni.scss b/uni.scss
index 57a3cc8..307ca50 100644
--- a/uni.scss
+++ b/uni.scss
@@ -28,7 +28,6 @@ page {
   font-size: 28rpx;
   height: 100vh;
   width: 100%;
-  padding-top: var(--status-bar-height, 0px);
 }
 
 // 动画
diff --git a/utils/constants.js b/utils/constants.js
index 0165e9e..17ab2f1 100644
--- a/utils/constants.js
+++ b/utils/constants.js
@@ -1,4 +1,4 @@
-// 纯瘾大 · 全局常量
+// 纯瘾大 · 全局常量
 
 export const API = {
   BASE: 'http://127.0.0.1:8080',
@@ -12,6 +12,7 @@ export const API = {
   ORDER_REMIND:    '/api/order/remind',
   MESSAGE_LIST:    '/api/message/list',
   MESSAGE_SEND:    '/api/message/send',
+  MESSAGE_READ:    '/api/message/read',
   STAFF_LOGIN:     '/api/staff/login',
   STAFF_ORDERS:    '/api/staff/orders',
   STAFF_ORDER:     '/api/staff/order',