diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8af1899e..3a4b1ef1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,6 +35,7 @@
 - 规则编辑弹窗新增归档/取消归档按钮
 - 规则编辑器新增剧集偏移字段和「自动检测」按钮
 - 新增 i18n 翻译（中文/英文）
+- 优化规则编辑弹窗布局：统一表单字段对齐、统一按钮高度、修复移动端底部弹窗 z-index 层级问题
 
 ---
 
diff --git a/webui/src/components/ab-edit-rule.vue b/webui/src/components/ab-edit-rule.vue
index c236b8fd..957dfcdc 100644
--- a/webui/src/components/ab-edit-rule.vue
+++ b/webui/src/components/ab-edit-rule.vue
@@ -79,7 +79,7 @@ const boxSize = computed(() => {
   if (rule.value.deleted) {
     return 'w-300';
   } else {
-    return 'w-380';
+    return 'w-460';
   }
 });
 </script>
@@ -105,10 +105,10 @@ const boxSize = computed(() => {
       </div>
     </div>
 
-    <div v-else space-y-12>
+    <div v-else class="edit-rule-content">
       <ab-rule v-model:rule="rule"></ab-rule>
 
-      <div fx-cer justify-end gap-x-10>
+      <div class="edit-rule-actions">
         <ab-button
           v-if="rule.archived"
           size="small"
@@ -153,3 +153,22 @@ const boxSize = computed(() => {
     </ab-popup>
   </ab-popup>
 </template>
+
+<style lang="scss" scoped>
+.edit-rule-content {
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+}
+
+.edit-rule-actions {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: 10px;
+  padding-top: 4px;
+  border-top: 1px solid var(--color-border);
+  padding-top: 16px;
+  flex-wrap: wrap;
+}
+</style>
diff --git a/webui/src/components/ab-rule.vue b/webui/src/components/ab-rule.vue
index 0f3f3645..76ef3c45 100644
--- a/webui/src/components/ab-rule.vue
+++ b/webui/src/components/ab-rule.vue
@@ -52,19 +52,17 @@ const items: SettingItem<BangumiRule>[] = [
     prop: {
       type: 'number',
     },
-    bottomLine: true,
   },
   {
     configKey: 'filter',
     label: () => t('homepage.rule.exclude'),
     type: 'dynamic-tags',
-    bottomLine: true,
   },
 ];
 </script>
 
 <template>
-  <div space-y-12>
+  <div class="rule-form">
     <ab-setting
       v-for="i in items"
       :key="i.configKey"
@@ -73,12 +71,12 @@ const items: SettingItem<BangumiRule>[] = [
     ></ab-setting>
 
     <!-- Offset field with auto-detect button -->
-    <div class="offset-row">
-      <div class="offset-label">{{ $t('homepage.rule.offset') }}</div>
+    <ab-label :label="() => $t('homepage.rule.offset')">
       <div class="offset-controls">
         <input
           v-model.number="rule.offset"
           type="number"
+          ab-input
           class="offset-input"
         />
         <ab-button
@@ -89,47 +87,50 @@ const items: SettingItem<BangumiRule>[] = [
           {{ $t('homepage.rule.auto_detect') }}
         </ab-button>
       </div>
-      <div v-if="offsetReason" class="offset-reason">{{ offsetReason }}</div>
-    </div>
+    </ab-label>
+
+    <div v-if="offsetReason" class="offset-reason">{{ offsetReason }}</div>
   </div>
 </template>
 
 <style lang="scss" scoped>
-.offset-row {
+.rule-form {
   display: flex;
   flex-direction: column;
-  gap: 6px;
-}
-
-.offset-label {
-  font-size: 14px;
-  color: var(--color-text);
+  gap: 16px;
 }
 
 .offset-controls {
   display: flex;
   align-items: center;
-  gap: 8px;
+  gap: 10px;
+  width: 100%;
+
+  @include forTablet {
+    width: auto;
+    min-width: 220px;
+  }
+
+  :deep(.ab-button) {
+    flex-shrink: 0;
+    white-space: nowrap;
+  }
 }
 
 .offset-input {
-  width: 72px;
-  padding: 6px 10px;
-  border: 1px solid var(--color-border);
-  border-radius: var(--radius-sm);
-  background: var(--color-surface);
-  color: var(--color-text);
-  font-size: 14px;
-  outline: none;
-  transition: border-color var(--transition-fast);
+  width: 80px;
+  flex-shrink: 0;
 
-  &:focus {
-    border-color: var(--color-primary);
+  @include forMobile {
+    flex: 1;
+    min-width: 60px;
   }
 }
 
 .offset-reason {
   font-size: 12px;
   color: var(--color-text-secondary);
+  padding-left: 2px;
+  margin-top: -8px;
 }
 </style>
diff --git a/webui/src/components/ab-setting.vue b/webui/src/components/ab-setting.vue
index a68c0deb..02cf23c8 100644
--- a/webui/src/components/ab-setting.vue
+++ b/webui/src/components/ab-setting.vue
@@ -7,12 +7,12 @@ withDefaults(defineProps<AbSettingProps>(), {
   bottomLine: false,
 });
 
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
+ 
 const data = defineModel<any>('data');
 </script>
 
 <template>
-  <div>
+  <div class="setting-item">
     <ab-label :label="label">
       <AbSwitch
         v-if="type === 'switch'"
@@ -36,11 +36,33 @@ const data = defineModel<any>('data');
         v-bind="prop"
       />
 
-      <div v-else-if="type === 'dynamic-tags'" w-full sm:max-w-200 overflow-auto pb-1>
+      <div v-else-if="type === 'dynamic-tags'" class="dynamic-tags-wrapper">
         <NDynamicTags v-model:value="data" size="small"></NDynamicTags>
       </div>
     </ab-label>
 
-    <div v-if="bottomLine" line my-6></div>
+    <div v-if="bottomLine" class="setting-divider"></div>
   </div>
 </template>
+
+<style lang="scss" scoped>
+.setting-item {
+  width: 100%;
+}
+
+.setting-divider {
+  height: 1px;
+  background: var(--color-border);
+  margin-top: 12px;
+}
+
+.dynamic-tags-wrapper {
+  width: 100%;
+  overflow-x: auto;
+  padding-bottom: 2px;
+
+  @include forTablet {
+    max-width: 220px;
+  }
+}
+</style>
diff --git a/webui/src/components/basic/ab-bottom-sheet.vue b/webui/src/components/basic/ab-bottom-sheet.vue
index e34317b2..ec3b8754 100644
--- a/webui/src/components/basic/ab-bottom-sheet.vue
+++ b/webui/src/components/basic/ab-bottom-sheet.vue
@@ -1,11 +1,11 @@
 <script lang="ts" setup>
-import { ref, watch, computed } from 'vue';
+import { computed, ref } from 'vue';
 import { usePointerSwipe } from '@vueuse/core';
 import {
-  TransitionRoot,
-  TransitionChild,
   Dialog,
   DialogPanel,
+  TransitionChild,
+  TransitionRoot,
 } from '@headlessui/vue';
 
 const props = withDefaults(
@@ -69,7 +69,7 @@ function close() {
 
 <template>
   <TransitionRoot :show="show" as="template">
-    <Dialog @close="close" class="ab-bottom-sheet">
+    <Dialog class="ab-bottom-sheet" @close="close">
       <!-- Backdrop -->
       <TransitionChild
         enter="overlay-enter-active"
@@ -125,6 +125,7 @@ function close() {
   &__backdrop {
     position: fixed;
     inset: 0;
+    z-index: 100;
     background: rgba(0, 0, 0, 0.4);
     backdrop-filter: blur(4px);
   }
@@ -132,6 +133,7 @@ function close() {
   &__container {
     position: fixed;
     inset: 0;
+    z-index: 101;
     display: flex;
     align-items: flex-end;
     justify-content: center;
@@ -140,6 +142,7 @@ function close() {
 
   &__panel {
     position: relative;
+    z-index: 102;
     width: 100%;
     max-width: 640px;
     background: var(--color-surface);
diff --git a/webui/src/components/basic/ab-button-multi.vue b/webui/src/components/basic/ab-button-multi.vue
index 6890c352..c9622fca 100644
--- a/webui/src/components/basic/ab-button-multi.vue
+++ b/webui/src/components/basic/ab-button-multi.vue
@@ -70,22 +70,22 @@ const showSelections = ref<boolean>(false);
   &--big {
     border-radius: var(--radius-md);
     width: 276px;
-    height: 55px;
-    font-size: 24px;
+    height: 44px;
+    font-size: 16px;
   }
 
   &--normal {
     border-radius: var(--radius-sm);
-    width: 170px;
+    min-width: 100px;
     height: 36px;
     font-size: 14px;
   }
 
   &--small {
     border-radius: var(--radius-sm);
-    width: 86px;
-    height: 28px;
-    font-size: 12px;
+    min-width: 80px;
+    height: 32px;
+    font-size: 13px;
   }
 
   &--primary {
diff --git a/webui/src/components/basic/ab-button.vue b/webui/src/components/basic/ab-button.vue
index 0103183b..f50f067c 100644
--- a/webui/src/components/basic/ab-button.vue
+++ b/webui/src/components/basic/ab-button.vue
@@ -80,13 +80,13 @@ const buttonSize = computed(() => {
     cursor: not-allowed;
   }
 
-  // Sizes - all meet 44px minimum touch target
+  // Sizes
   &--big {
     border-radius: var(--radius-md);
-    font-size: 18px;
+    font-size: 16px;
     width: 100%;
     max-width: 276px;
-    height: 55px;
+    height: 44px;
   }
 
   &--normal {
@@ -94,17 +94,15 @@ const buttonSize = computed(() => {
     font-size: 14px;
     width: 100%;
     max-width: 170px;
-    min-height: var(--touch-target);
-    height: 44px;
+    height: 36px;
   }
 
   &--small {
     border-radius: var(--radius-sm);
     font-size: 13px;
-    min-width: 86px;
-    min-height: var(--touch-target);
-    height: 44px;
-    padding: 0 16px;
+    min-width: 80px;
+    height: 32px;
+    padding: 0 14px;
     gap: 6px;
     white-space: nowrap;
   }