diff --git a/frontend/src/components/RecipeDetailOverlay.vue b/frontend/src/components/RecipeDetailOverlay.vue
index a959d10..56e5599 100644
--- a/frontend/src/components/RecipeDetailOverlay.vue
+++ b/frontend/src/components/RecipeDetailOverlay.vue
@@ -842,6 +842,22 @@ onMounted(() => {
   })
   customOilNameEn.value = enMap
 
+  // Calculate current dilution ratio and volume from ingredients
+  const ings = r.ingredients || []
+  const coco = ings.find(i => i.oil === '椰子油')
+  const eoDrops = ings.filter(i => i.oil && i.oil !== '椰子油').reduce((s, i) => s + (i.drops || 0), 0)
+  const cocoDrops = coco ? (coco.drops || 0) : 0
+  const totalDrops = eoDrops + cocoDrops
+  if (eoDrops > 0 && cocoDrops > 0) {
+    dilutionRatio.value = Math.round(cocoDrops / eoDrops)
+  }
+  const ml = totalDrops / DROPS_PER_ML
+  if (ml <= 1.5) selectedVolume.value = 'single'
+  else if (Math.abs(ml - 5) < 1.5) selectedVolume.value = '5'
+  else if (Math.abs(ml - 10) < 3) selectedVolume.value = '10'
+  else if (Math.abs(ml - 30) < 8) selectedVolume.value = '30'
+  else { selectedVolume.value = 'custom'; customVolumeValue.value = Math.round(totalDrops); customVolumeUnit.value = 'drops' }
+
   loadBrand()
   nextTick(() => generateCardImage())
 })
diff --git a/frontend/src/views/RecipeManager.vue b/frontend/src/views/RecipeManager.vue
index 0e493db..67444ae 100644
--- a/frontend/src/views/RecipeManager.vue
+++ b/frontend/src/views/RecipeManager.vue
@@ -14,27 +14,26 @@
       </div>
     </div>
 
-    <!-- Row 1: Search (editor+) + Export (admin only) -->
+    <!-- Row 1: Search (editor+) -->
     <template v-if="auth.canEdit">
       <div class="manage-toolbar">
         <div class="search-box">
           <input class="search-input" v-model="manageSearch" placeholder="搜索配方..." />
           <button v-if="manageSearch" class="search-clear-btn" @click="manageSearch = ''">✕</button>
         </div>
-        <button v-if="auth.isAdmin" class="btn-outline btn-sm" @click="exportExcel">📥 导出Excel</button>
       </div>
     </template>
 
-    <!-- Row 2: Add + Select + Tags + Batch -->
+    <!-- Row 2: Add + Select + Tags + Batch + Export -->
     <div class="tag-filter-bar">
-      <button v-if="auth.canEdit" class="btn-outline btn-sm" @click="showAddOverlay = true">+ 添加配方</button>
+      <button v-if="auth.canEdit" class="btn-outline btn-sm" @click="showAddOverlay = true">新增</button>
       <button
         class="btn-sm"
         :class="selectedDiaryIds.size > 0 ? 'btn-select-active' : 'btn-outline'"
         @click="toggleSelectAllDiary"
       >全选</button>
       <button class="tag-toggle-btn" @click="showTagFilter = !showTagFilter">
-        🏷️ 标签筛选 {{ showTagFilter ? '▾' : '▸' }}
+        标签 {{ showTagFilter ? '▾' : '▸' }}
       </button>
       <!-- Batch (inline when selected) -->
       <template v-if="selectedIds.size > 0 || selectedDiaryIds.size > 0">
@@ -47,6 +46,7 @@
         </select>
         <button class="btn-sm btn-outline" @click="clearSelection">取消</button>
       </template>
+      <button v-if="auth.isAdmin" class="export-btn" @click="exportExcel" title="导出Excel">📥</button>
       <div v-if="showTagFilter" class="tag-list">
         <span
           v-for="tag in recipeStore.allTags"
@@ -197,18 +197,32 @@
           </div>
         </div>
 
-        <div class="editor-tip">
-          💡 推荐按照单次用量（椰子油10~20滴）添加纯精油，系统会根据容量和稀释比例自动计算。
+        <!-- Volume selector -->
+        <div class="editor-section">
+          <label class="editor-label">容量</label>
+          <div class="volume-controls">
+            <button class="volume-btn" :class="{ active: formVolume === 'single' }" @click="formVolume = 'single'">单次</button>
+            <button class="volume-btn" :class="{ active: formVolume === '5' }" @click="formVolume = '5'">5ml</button>
+            <button class="volume-btn" :class="{ active: formVolume === '10' }" @click="formVolume = '10'">10ml</button>
+            <button class="volume-btn" :class="{ active: formVolume === '15' }" @click="formVolume = '15'">15ml</button>
+            <button class="volume-btn" :class="{ active: formVolume === '20' }" @click="formVolume = '20'">20ml</button>
+            <button class="volume-btn" :class="{ active: formVolume === '30' }" @click="formVolume = '30'">30ml</button>
+            <button class="volume-btn" :class="{ active: formVolume === 'custom' }" @click="formVolume = 'custom'">自定义</button>
+          </div>
+          <div v-if="formVolume === 'custom'" class="custom-volume-row">
+            <input v-model.number="formCustomVolume" type="number" min="1" class="drops-sm" placeholder="ml" />
+            <span style="font-size:12px;color:#999">ml</span>
+          </div>
         </div>
 
-        <!-- Ingredients table -->
+        <!-- Ingredients table (essential oils only, coconut at bottom) -->
         <div class="editor-section">
           <table class="editor-table">
             <thead>
               <tr><th>精油</th><th>滴数</th><th>单价/滴</th><th>小计</th><th></th></tr>
             </thead>
             <tbody>
-              <tr v-for="(ing, i) in formIngredients" :key="i">
+              <tr v-for="(ing, i) in formEoIngredients" :key="'eo-'+i">
                 <td>
                   <div class="oil-search-wrap">
                     <input
@@ -233,40 +247,31 @@
                 <td><input v-model.number="ing.drops" type="number" min="0.5" step="0.5" class="editor-drops" /></td>
                 <td class="ing-ppd">{{ ing.oil ? oils.fmtPrice(oils.pricePerDrop(ing.oil)) : '-' }}</td>
                 <td class="ing-cost">{{ ing.oil && ing.drops ? oils.fmtPrice(oils.pricePerDrop(ing.oil) * ing.drops) : '-' }}</td>
-                <td><button class="remove-row-btn" @click="formIngredients.splice(i, 1)">✕</button></td>
+                <td><button class="remove-row-btn" @click="removeEoRow(i)">✕</button></td>
+              </tr>
+              <!-- Coconut oil row -->
+              <tr v-if="formCocoRow" class="coco-row">
+                <td><span class="coco-label">椰子油</span></td>
+                <td>
+                  <template v-if="formVolume === 'single'">
+                    <input v-model.number="formCocoRow.drops" type="number" min="0" class="editor-drops" />
+                  </template>
+                  <template v-else>
+                    <span class="coco-fill">填满 (约{{ cocoFillMl }}ml)</span>
+                  </template>
+                </td>
+                <td class="ing-ppd">{{ oils.fmtPrice(oils.pricePerDrop('椰子油')) }}</td>
+                <td class="ing-cost">{{ oils.fmtPrice(oils.pricePerDrop('椰子油') * cocoActualDrops) }}</td>
+                <td><button class="remove-row-btn" @click="formCocoRow = null">✕</button></td>
               </tr>
             </tbody>
           </table>
-
-          <!-- Add ingredient row -->
-          <button class="add-row-btn" @click="formIngredients.push({ oil: '', drops: 1, _search: '', _open: false })">+ 添加精油</button>
+          <button class="add-row-btn" @click="addOilRow">+ 添加精油</button>
         </div>
 
-        <!-- Volume & Dilution -->
-        <div class="editor-section">
-          <label class="editor-label">容量与稀释</label>
-          <div class="volume-controls">
-            <button class="volume-btn" :class="{ active: formVolume === 'single' }" @click="formVolume = 'single'">单次</button>
-            <button class="volume-btn" :class="{ active: formVolume === '5' }" @click="formVolume = '5'">5ml</button>
-            <button class="volume-btn" :class="{ active: formVolume === '10' }" @click="formVolume = '10'">10ml</button>
-            <button class="volume-btn" :class="{ active: formVolume === '30' }" @click="formVolume = '30'">30ml</button>
-            <button class="volume-btn" :class="{ active: formVolume === 'custom' }" @click="formVolume = 'custom'">自定义</button>
-          </div>
-          <div v-if="formVolume === 'custom'" class="custom-volume-row">
-            <input v-model.number="formCustomVolume" type="number" min="1" class="drops-sm" placeholder="数量" />
-            <select v-model="formCustomUnit" class="select-sm">
-              <option value="drops">滴</option>
-              <option value="ml">ml</option>
-            </select>
-          </div>
-          <div class="dilution-row">
-            <span class="dilution-label">稀释 1:</span>
-            <select v-model.number="formDilution" class="select-sm">
-              <option v-for="n in 20" :key="n" :value="n">{{ n }}</option>
-            </select>
-            <button class="action-btn action-btn-primary action-btn-sm" @click="applyVolumeDilution">应用到配方</button>
-          </div>
-          <div class="hint" style="margin-top:6px;font-size:11px;color:#999">{{ formDilutionHint }}</div>
+        <!-- Real-time summary -->
+        <div class="recipe-summary">
+          {{ recipeSummaryText }}
         </div>
 
         <!-- Notes -->
@@ -387,10 +392,48 @@ const formCustomVolume = ref(100)
 const formCustomUnit = ref('drops')
 const formDilution = ref(6)
 
+const formCocoRow = ref({ oil: '椰子油', drops: 10, _search: '椰子油', _open: false })
+
+// EO ingredients (everything except coconut)
+const formEoIngredients = computed(() =>
+  formIngredients.value.filter(i => i.oil !== '椰子油')
+)
+
+const eoTotalDrops = computed(() =>
+  formEoIngredients.value.filter(i => i.oil && i.drops > 0).reduce((s, i) => s + i.drops, 0)
+)
+
+const targetTotalDrops = computed(() => {
+  if (formVolume.value === 'single') return null
+  if (formVolume.value === 'custom') return Math.round((formCustomVolume.value || 0) * DROPS_PER_ML)
+  return Math.round(Number(formVolume.value) * DROPS_PER_ML)
+})
+
+const cocoActualDrops = computed(() => {
+  if (!formCocoRow.value) return 0
+  if (formVolume.value === 'single') return formCocoRow.value.drops || 0
+  if (!targetTotalDrops.value) return 0
+  return Math.max(0, targetTotalDrops.value - eoTotalDrops.value)
+})
+
+const cocoFillMl = computed(() => Math.round(cocoActualDrops.value / DROPS_PER_ML))
+
+const recipeSummaryText = computed(() => {
+  const eo = eoTotalDrops.value
+  const coco = cocoActualDrops.value
+  const ratio = eo > 0 ? Math.round(coco / eo) : 0
+  if (formVolume.value === 'single') {
+    return `该配方为单次用量，纯精油 ${eo} 滴，椰子油 ${coco} 滴，稀释比例 1:${ratio}`
+  }
+  const vol = formVolume.value === 'custom' ? (formCustomVolume.value || 0) : Number(formVolume.value)
+  return `该配方总容量 ${vol}ml，纯精油 ${eo} 滴，剩余用椰子油填满，稀释比例 1:${ratio}`
+})
+
 const formTotalCost = computed(() => {
-  const cost = formIngredients.value
-    .filter(i => i.oil && i.drops > 0)
+  let cost = formIngredients.value
+    .filter(i => i.oil && i.oil !== '椰子油' && i.drops > 0)
     .reduce((sum, i) => sum + oils.pricePerDrop(i.oil) * i.drops, 0)
+  cost += oils.pricePerDrop('椰子油') * cocoActualDrops.value
   return oils.fmtPrice(cost)
 })
 
@@ -457,10 +500,20 @@ function onBatchSelect() {
 }
 
 function toggleSelectAllDiary() {
-  if (selectedDiaryIds.size === myFilteredRecipes.value.length) {
+  const allMySelected = myFilteredRecipes.value.length > 0 && selectedDiaryIds.size === myFilteredRecipes.value.length
+  const allPubSelected = auth.canEdit && publicFilteredRecipes.value.length > 0 && selectedIds.size === publicFilteredRecipes.value.length
+  if (allMySelected && (!auth.canEdit || allPubSelected)) {
+    // All selected → deselect all
     selectedDiaryIds.clear()
+    selectedIds.clear()
   } else {
+    // Select all
     myFilteredRecipes.value.forEach(d => selectedDiaryIds.add(d.id))
+    if (auth.canEdit) {
+      publicFilteredRecipes.value.forEach(r => selectedIds.add(r._id))
+    }
+    showMyRecipes.value = true
+    if (auth.canEdit) showPublicRecipes.value = true
   }
 }
 
@@ -551,7 +604,10 @@ function calcDilutionFromIngs(ingredients) {
 function editRecipe(recipe) {
   editingRecipe.value = recipe
   formName.value = recipe.name
-  formIngredients.value = recipe.ingredients.map(i => ({ ...i, _search: i.oil, _open: false }))
+  const ings = recipe.ingredients || []
+  formIngredients.value = ings.filter(i => i.oil !== '椰子油').map(i => ({ ...i, _search: i.oil, _open: false }))
+  const coco = ings.find(i => i.oil === '椰子油')
+  formCocoRow.value = coco ? { ...coco, _search: '椰子油', _open: false } : { oil: '椰子油', drops: 10, _search: '椰子油', _open: false }
   formNote.value = recipe.note || ''
   formTags.value = [...(recipe.tags || [])]
   calcDilutionFromIngs(recipe.ingredients)
@@ -567,6 +623,7 @@ function closeOverlay() {
 function resetForm() {
   formName.value = ''
   formIngredients.value = [{ oil: '', drops: 1, _search: '', _open: false }]
+  formCocoRow.value = { oil: '椰子油', drops: 10, _search: '椰子油', _open: false }
   formNote.value = ''
   formTags.value = []
   smartPasteText.value = ''
@@ -647,7 +704,7 @@ const formDilutionHint = computed(() => {
   if (formVolume.value === 'single') {
     const cocoDrops = Math.round(eoDrops * formDilution.value)
     const totalDrops = eoDrops + cocoDrops
-    return `单次用量：纯精油约 ${eoDrops} 滴 + 椰子油约 ${cocoDrops} 滴，共 ${totalDrops} 滴 (${(totalDrops / DROPS_PER_ML).toFixed(1)}ml)，稀释 1:${formDilution.value}`
+    return `单次用量：纯精油约 ${eoDrops} 滴 + 椰子油约 ${cocoDrops} 滴，共 ${totalDrops} 滴 (${Math.round(totalDrops / DROPS_PER_ML)}ml)，稀释 1:${formDilution.value}`
   }
   let totalDrops
   if (formVolume.value === 'custom') {
@@ -657,7 +714,7 @@ const formDilutionHint = computed(() => {
   }
   const targetEo = Math.round(totalDrops / (1 + formDilution.value))
   const cocoDrops = totalDrops - targetEo
-  return `总容量 ${totalDrops} 滴 (${(totalDrops / DROPS_PER_ML).toFixed(1)}ml)，纯精油约 ${targetEo} 滴 + 椰子油约 ${cocoDrops} 滴，稀释 1:${formDilution.value}`
+  return `总容量 ${totalDrops} 滴 (${Math.round(totalDrops / DROPS_PER_ML)}ml)，纯精油约 ${targetEo} 滴 + 椰子油约 ${cocoDrops} 滴，稀释 1:${formDilution.value}`
 })
 
 function applyVolumeDilution() {
@@ -703,6 +760,18 @@ function setFormCoconut(drops) {
   }
 }
 
+function addOilRow() {
+  formIngredients.value.push({ oil: '', drops: 1, _search: '', _open: false })
+}
+
+function removeEoRow(index) {
+  // Find the actual index in formIngredients (skip coconut)
+  const eoIngs = formIngredients.value.filter(i => i.oil !== '椰子油')
+  const target = eoIngs[index]
+  const realIdx = formIngredients.value.indexOf(target)
+  if (realIdx >= 0) formIngredients.value.splice(realIdx, 1)
+}
+
 function confirmAddIng() {
   if (!newIngOil.value || !newIngDrops.value) return
   formIngredients.value.push({ oil: newIngOil.value, drops: newIngDrops.value, _search: newIngOil.value, _open: false })
@@ -719,17 +788,21 @@ function toggleFormTag(tag) {
 }
 
 async function saveCurrentRecipe() {
-  const validIngs = formIngredients.value.filter(i => i.oil && i.drops > 0)
+  const eoIngs = formIngredients.value.filter(i => i.oil && i.oil !== '椰子油' && i.drops > 0)
   if (!formName.value.trim()) {
     ui.showToast('请输入配方名称')
     return
   }
-  if (validIngs.length === 0) {
-    ui.showToast('请至少添加一个成分')
+  if (eoIngs.length === 0) {
+    ui.showToast('请至少添加一个精油')
     return
   }
 
-  const cleanIngs = validIngs.map(i => ({ oil: i.oil, drops: i.drops }))
+  // Combine EO + coconut
+  const cleanIngs = eoIngs.map(i => ({ oil: i.oil, drops: i.drops }))
+  if (formCocoRow.value && cocoActualDrops.value > 0) {
+    cleanIngs.push({ oil: '椰子油', drops: cocoActualDrops.value })
+  }
   const diaryPayload = {
     name: formName.value.trim(),
     ingredients: cleanIngs,
@@ -864,7 +937,10 @@ onMounted(async () => {
 function editDiaryRecipe(diary) {
   editingRecipe.value = { _diary_id: diary.id, name: diary.name }
   formName.value = diary.name
-  formIngredients.value = (diary.ingredients || []).map(i => ({ ...i, _search: i.oil, _open: false }))
+  const ings = diary.ingredients || []
+  formIngredients.value = ings.filter(i => i.oil !== '椰子油').map(i => ({ ...i, _search: i.oil, _open: false }))
+  const coco = ings.find(i => i.oil === '椰子油')
+  formCocoRow.value = coco ? { ...coco, _search: '椰子油', _open: false } : { oil: '椰子油', drops: 10, _search: '椰子油', _open: false }
   formNote.value = diary.note || ''
   formTags.value = [...(diary.tags || [])]
   calcDilutionFromIngs(diary.ingredients)
@@ -1419,12 +1495,23 @@ watch(() => recipeStore.recipes, () => {
 .volume-btn.active { background: #e8f5e9; border-color: #7ec6a4; color: #2e7d5a; font-weight: 600; }
 .volume-btn:hover { border-color: #7ec6a4; }
 .custom-volume-row { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; }
-.dilution-row { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
-.dilution-label { font-size: 12px; color: #3e3a44; white-space: nowrap; }
+.coco-row { background: #f8faf8; }
+.coco-label { font-weight: 600; color: #4a9d7e; font-size: 13px; }
+.coco-fill { font-size: 12px; color: #4a9d7e; font-weight: 500; }
+.recipe-summary {
+  padding: 10px 14px; background: #f0faf5; border-radius: 10px; border-left: 3px solid #7ec6a4;
+  font-size: 13px; color: #2e7d5a; margin-bottom: 12px; line-height: 1.6;
+}
 .drops-sm { width: 50px; padding: 4px 6px; border: 1.5px solid #d4cfc7; border-radius: 6px; font-size: 12px; text-align: center; outline: none; font-family: inherit; }
 .drops-sm:focus { border-color: #7ec6a4; }
 .select-sm { padding: 4px 6px; border: 1.5px solid #d4cfc7; border-radius: 6px; font-size: 12px; font-family: inherit; background: #fff; width: auto; }
 .btn-select-active { background: #e8f5e9; color: #2e7d5a; border: 1.5px solid #7ec6a4; border-radius: 10px; padding: 7px 14px; font-size: 13px; cursor: pointer; font-family: inherit; font-weight: 600; }
+.export-btn {
+  margin-left: auto;
+  border: none; background: none; cursor: pointer; font-size: 16px; padding: 4px 6px;
+  opacity: 0.6;
+}
+.export-btn:hover { opacity: 1; }
 .batch-count { font-size: 12px; color: #4a9d7e; font-weight: 600; white-space: nowrap; }
 .batch-select { padding: 5px 8px; border: 1.5px solid #d4cfc7; border-radius: 8px; font-size: 12px; font-family: inherit; background: #fff; }