diff --git a/frontend/src/components/ProviderIconGroup.vue b/frontend/src/components/ProviderIconGroup.vue
index 09ba8a509..d0f7a9051 100644
--- a/frontend/src/components/ProviderIconGroup.vue
+++ b/frontend/src/components/ProviderIconGroup.vue
@@ -47,7 +47,7 @@ const authenticationLabel = computed(() => {
     >
       <Openai v-if="normalizedProvider === 'openai'" :class="iconClass" aria-hidden="true" />
       <Xai v-else-if="normalizedProvider === 'xai'" :class="iconClass" aria-hidden="true" />
-      <span v-else class="text-[10px] font-[760] text-(--cp-text-muted)">?</span>
+      <span v-else class="text-[10px] font-heavy text-(--cp-text-muted)">?</span>
     </span>
 
     <span
@@ -66,7 +66,7 @@ const authenticationLabel = computed(() => {
         :class="iconClass"
         aria-hidden="true"
       />
-      <span v-else class="text-[10px] font-[760] text-(--cp-text-muted)">?</span>
+      <span v-else class="text-[10px] font-heavy text-(--cp-text-muted)">?</span>
     </span>
 
     <span class="sr-only">
diff --git a/frontend/src/components/base/BaseButton.vue b/frontend/src/components/base/BaseButton.vue
index 089c675bd..ea54eea8b 100644
--- a/frontend/src/components/base/BaseButton.vue
+++ b/frontend/src/components/base/BaseButton.vue
@@ -70,7 +70,7 @@ const loadingIconSize: Record<ButtonSize, number> = {
 }
 
 const classes = computed(() => [
-  'inline-flex items-center justify-center border-0 font-[720] leading-[1.15] transition-[background-color,box-shadow,color,opacity,transform] duration-150 cursor-pointer outline-none motion-safe:active:translate-y-px motion-safe:active:scale-[0.985]',
+  'inline-flex items-center justify-center border-0 font-bold leading-[1.15] transition-[background-color,box-shadow,color,opacity,transform] duration-150 cursor-pointer outline-none motion-safe:active:translate-y-px motion-safe:active:scale-[0.985]',
   props.iconOnly ? iconOnlySizeClasses[props.size] : sizeClasses[props.size],
   props.iconOnly ? '' : 'rounded-(--cp-button-radius-base)',
   'focus-visible:ring-2 focus-visible:ring-(--cp-info-border) focus-visible:ring-offset-2 focus-visible:ring-offset-(--cp-bg-surface)',
diff --git a/frontend/src/components/base/BaseCard.vue b/frontend/src/components/base/BaseCard.vue
index 7272e623f..39323647e 100644
--- a/frontend/src/components/base/BaseCard.vue
+++ b/frontend/src/components/base/BaseCard.vue
@@ -82,7 +82,7 @@ const managedHeaderLayoutClasses = computed(() => {
             <div class="min-w-0 pt-0.5">
               <h2
                 v-if="props.title || $slots.title"
-                class="m-0 text-xl leading-[1.15] font-[760] text-(--cp-text-primary)"
+                class="m-0 text-xl leading-[1.15] font-heavy text-(--cp-text-primary)"
               >
                 <slot name="title">
                   {{ props.title }}
@@ -90,7 +90,7 @@ const managedHeaderLayoutClasses = computed(() => {
               </h2>
               <p
                 v-if="props.description || $slots.description"
-                class="mt-1.75 mb-0 text-[13px] leading-[1.15] font-[650] text-(--cp-text-secondary)"
+                class="mt-1.75 mb-0 text-[13px] leading-[1.15] font-emphasis text-(--cp-text-secondary)"
               >
                 <slot name="description">
                   {{ props.description }}
diff --git a/frontend/src/components/base/BaseCheckbox.vue b/frontend/src/components/base/BaseCheckbox.vue
index 9af131724..322a702ce 100644
--- a/frontend/src/components/base/BaseCheckbox.vue
+++ b/frontend/src/components/base/BaseCheckbox.vue
@@ -40,7 +40,7 @@ function toggle() {
 <template>
   <button
     type="button"
-    class="group inline-flex min-h-4 min-w-4 appearance-none items-center gap-2.5 border-0 bg-transparent p-0 text-[13px] leading-none font-[650] transition-opacity outline-none focus-visible:ring-2 focus-visible:ring-(--cp-info-border) focus-visible:ring-offset-2 focus-visible:ring-offset-(--cp-bg-surface)"
+    class="group inline-flex min-h-4 min-w-4 appearance-none items-center gap-2.5 border-0 bg-transparent p-0 text-[13px] leading-none font-emphasis transition-opacity outline-none focus-visible:ring-2 focus-visible:ring-(--cp-info-border) focus-visible:ring-offset-2 focus-visible:ring-offset-(--cp-bg-surface)"
     :class="disabled ? 'cursor-not-allowed opacity-55' : 'cursor-pointer'"
     role="checkbox"
     :aria-checked="indeterminate ? 'mixed' : model"
diff --git a/frontend/src/components/base/BaseConfirmModal.vue b/frontend/src/components/base/BaseConfirmModal.vue
index 96ece6385..1765664e6 100644
--- a/frontend/src/components/base/BaseConfirmModal.vue
+++ b/frontend/src/components/base/BaseConfirmModal.vue
@@ -63,7 +63,7 @@ function handleConfirm() {
   >
     <div
       v-if="$slots.default"
-      class="text-[14px] leading-[1.55] font-[620] text-(--cp-text-secondary)"
+      class="text-[14px] leading-[1.55] font-emphasis text-(--cp-text-secondary)"
     >
       <slot />
     </div>
diff --git a/frontend/src/components/base/BaseEmpty.vue b/frontend/src/components/base/BaseEmpty.vue
index 60285418d..6a7e71369 100644
--- a/frontend/src/components/base/BaseEmpty.vue
+++ b/frontend/src/components/base/BaseEmpty.vue
@@ -29,7 +29,7 @@ const resolvedIcon = computed(() => props.icon ?? Inbox)
     >
       <component :is="resolvedIcon" :size="compact ? 16 : 18" />
     </span>
-    <p class="m-0 text-[13px] leading-[1.15] font-[760] text-(--cp-text-primary)">
+    <p class="m-0 text-[13px] leading-[1.15] font-heavy text-(--cp-text-primary)">
       {{ resolvedTitle }}
     </p>
     <p
diff --git a/frontend/src/components/base/BaseForm/FormItem.vue b/frontend/src/components/base/BaseForm/FormItem.vue
index 574e066d5..a6917d370 100644
--- a/frontend/src/components/base/BaseForm/FormItem.vue
+++ b/frontend/src/components/base/BaseForm/FormItem.vue
@@ -40,14 +40,14 @@ withDefaults(
     </div>
     <p
       v-if="description"
-      class="mt-0 mb-2 text-xs leading-[1.35] font-[650] text-(--cp-text-muted)"
+      class="mt-0 mb-2 text-xs leading-[1.35] font-emphasis text-(--cp-text-muted)"
     >
       {{ description }}
     </p>
     <div class="min-w-0">
       <slot />
     </div>
-    <p v-if="error" class="mt-2 mb-0 text-xs leading-[1.35] font-[650] text-(--cp-danger-text)">
+    <p v-if="error" class="mt-2 mb-0 text-xs leading-[1.35] font-emphasis text-(--cp-danger-text)">
       {{ error }}
     </p>
   </div>
diff --git a/frontend/src/components/base/BaseInput.vue b/frontend/src/components/base/BaseInput.vue
index a2a410a1a..0060f4e56 100644
--- a/frontend/src/components/base/BaseInput.vue
+++ b/frontend/src/components/base/BaseInput.vue
@@ -52,7 +52,7 @@ const iconClasses = computed(() => [
 ])
 
 const inputClasses = computed(() => [
-  'h-full min-w-0 flex-1 border-0 bg-transparent text-[13px] font-[650] leading-[1.15] outline-0',
+  'h-full min-w-0 flex-1 border-0 bg-transparent text-[13px] font-emphasis leading-[1.15] outline-0',
   'placeholder:text-(--cp-text-muted) disabled:cursor-not-allowed disabled:text-(--cp-disabled-text)',
   props.error
     ? 'text-(--cp-danger-text)'
@@ -85,7 +85,7 @@ const inputClasses = computed(() => [
         <slot name="suffix" />
       </span>
     </span>
-    <span v-if="error" class="text-xs font-[650] leading-[1.15] text-(--cp-danger-text)">{{
+    <span v-if="error" class="text-xs font-emphasis leading-[1.15] text-(--cp-danger-text)">{{
       error
     }}</span>
   </div>
diff --git a/frontend/src/components/base/BaseModal.vue b/frontend/src/components/base/BaseModal.vue
index 5dccf4fae..396ea57ad 100644
--- a/frontend/src/components/base/BaseModal.vue
+++ b/frontend/src/components/base/BaseModal.vue
@@ -212,7 +212,7 @@ onBeforeUnmount(() => {
               </slot>
             </span>
             <div class="min-w-0" :class="variant === 'default' ? 'col-span-2' : ''">
-              <h2 class="m-0 text-lg leading-[1.15] font-[760] text-(--cp-text-primary)">
+              <h2 class="m-0 text-lg leading-[1.15] font-heavy text-(--cp-text-primary)">
                 {{ title }}
               </h2>
               <p
diff --git a/frontend/src/components/base/BaseSegmented.vue b/frontend/src/components/base/BaseSegmented.vue
index ee0cb1418..f694ac6b6 100644
--- a/frontend/src/components/base/BaseSegmented.vue
+++ b/frontend/src/components/base/BaseSegmented.vue
@@ -64,7 +64,7 @@ function selectOption(value: string) {
     <button
       v-for="option in options"
       :key="option.value"
-      class="relative z-10 inline-flex min-w-0 items-center justify-center gap-1.5 rounded-(--cp-input-radius-base) border-0 bg-transparent px-3 text-xs leading-none font-[650] transition-colors duration-150 outline-none focus-visible:ring-2 focus-visible:ring-(--cp-info-border)"
+      class="relative z-10 inline-flex min-w-0 items-center justify-center gap-1.5 rounded-(--cp-input-radius-base) border-0 bg-transparent px-3 text-xs leading-none font-emphasis transition-colors duration-150 outline-none focus-visible:ring-2 focus-visible:ring-(--cp-info-border)"
       :class="[
         size === 'input' ? 'h-8' : 'h-7',
         model === option.value
diff --git a/frontend/src/components/base/BaseSelect.vue b/frontend/src/components/base/BaseSelect.vue
index 70d31257b..2debb9604 100644
--- a/frontend/src/components/base/BaseSelect.vue
+++ b/frontend/src/components/base/BaseSelect.vue
@@ -70,7 +70,7 @@ const sizeConfig: Record<
 const selectedOption = computed(() => props.options.find(option => option.value === model.value))
 
 const triggerClasses = computed(() => [
-  'relative inline-flex w-full min-w-0 items-center gap-2 overflow-visible border-0 text-left font-[650] leading-none shadow-(--cp-shadow-input) outline-none transition-[background-color,box-shadow,color] duration-[160ms]',
+  'relative inline-flex w-full min-w-0 items-center gap-2 overflow-visible border-0 text-left font-emphasis leading-none shadow-(--cp-shadow-input) outline-none transition-[background-color,box-shadow,color] duration-[160ms]',
   sizeConfig[props.size].trigger,
   props.disabled
     ? 'cursor-not-allowed bg-(--cp-disabled-bg) text-(--cp-disabled-text) shadow-none'
@@ -228,7 +228,7 @@ function handleTriggerKeydown(event: KeyboardEvent) {
 
 function optionClasses(option: SelectOption, index: number) {
   return [
-    'flex w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 px-3 text-left font-[650] leading-none outline-none transition-colors',
+    'flex w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 px-3 text-left font-emphasis leading-none outline-none transition-colors',
     sizeConfig[props.size].option,
     option.disabled
       ? 'cursor-not-allowed bg-transparent text-(--cp-disabled-text)'
@@ -315,7 +315,7 @@ useEventListener(window, 'scroll', updatePopoverPositionThrottled, { capture: tr
         >
           <div
             v-if="options.length === 0"
-            class="flex h-8.5 items-center rounded-(--cp-input-radius-small) px-3 text-[13px] leading-none font-[650] text-(--cp-text-muted)"
+            class="flex h-8.5 items-center rounded-(--cp-input-radius-small) px-3 text-[13px] leading-none font-emphasis text-(--cp-text-muted)"
           >
             {{ emptyText }}
           </div>
diff --git a/frontend/src/components/base/BaseTable/BaseTablePagination.vue b/frontend/src/components/base/BaseTable/BaseTablePagination.vue
index 17adf40db..484781946 100644
--- a/frontend/src/components/base/BaseTable/BaseTablePagination.vue
+++ b/frontend/src/components/base/BaseTable/BaseTablePagination.vue
@@ -60,7 +60,7 @@ function paginationButtonClass(disabled: boolean) {
 
 function paginationPageClass(page: number) {
   return [
-    'inline-flex size-8 items-center justify-center rounded-(--cp-input-radius-base) border-0 text-xs font-[720] leading-none transition-colors duration-150 outline-none',
+    'inline-flex size-8 items-center justify-center rounded-(--cp-input-radius-base) border-0 text-xs font-bold leading-none transition-colors duration-150 outline-none',
     page === currentPage.value
       ? 'cursor-default bg-(--cp-info) text-(--cp-info-on)'
       : 'cursor-pointer bg-(--cp-bg-subtle) text-(--cp-text-primary) hover:bg-(--cp-default-bg-hover) focus-visible:ring-2 focus-visible:ring-(--cp-info-border) focus-visible:ring-offset-2 focus-visible:ring-offset-(--cp-bg-surface)',
@@ -73,7 +73,7 @@ function paginationPageClass(page: number) {
     class="mt-2 flex min-h-10 shrink-0 flex-wrap items-center justify-between gap-3 px-0 py-1"
   >
     <div
-      class="flex min-w-0 items-center gap-2.5 text-[12px] font-[650] text-(--cp-text-secondary)"
+      class="flex min-w-0 items-center gap-2.5 text-[12px] font-emphasis text-(--cp-text-secondary)"
     >
       <span class="whitespace-nowrap">共 {{ pagination.total }} 条</span>
     </div>
@@ -103,7 +103,7 @@ function paginationPageClass(page: number) {
         <template v-for="(item, index) in pagerItems" :key="`${item}-${index}`">
           <span
             v-if="item === 'ellipsis'"
-            class="inline-flex size-8 items-center justify-center text-xs font-[720] text-(--cp-text-muted)"
+            class="inline-flex size-8 items-center justify-center text-xs font-bold text-(--cp-text-muted)"
           >
             ...
           </span>
diff --git a/frontend/src/components/base/BaseTextarea.vue b/frontend/src/components/base/BaseTextarea.vue
index 4fd346d1e..806c6110d 100644
--- a/frontend/src/components/base/BaseTextarea.vue
+++ b/frontend/src/components/base/BaseTextarea.vue
@@ -35,7 +35,7 @@ const textareaClasses = computed(() => [
   'hover:bg-[var(--cp-input-current-bg-hover,var(--cp-input-context-bg-hover))] hover:shadow-(--cp-shadow-input-hover) focus:bg-(--cp-input-soft-bg-focus) focus:shadow-(--cp-shadow-input-focus)',
   'disabled:cursor-not-allowed disabled:bg-(--cp-disabled-bg) disabled:text-(--cp-disabled-text) disabled:shadow-none',
   sizeClasses[props.size],
-  'text-[13px] leading-[1.55] font-[650]',
+  'text-[13px] leading-[1.55] font-emphasis',
   props.error ? 'bg-(--cp-input-error-soft-bg) shadow-(--cp-shadow-input-error)' : undefined,
 ])
 </script>
@@ -51,7 +51,7 @@ const textareaClasses = computed(() => [
       :aria-label="ariaLabel"
       :aria-invalid="error ? 'true' : undefined"
     />
-    <span v-if="error" class="text-xs leading-[1.15] font-[650] text-(--cp-danger-text)">
+    <span v-if="error" class="text-xs leading-[1.15] font-emphasis text-(--cp-danger-text)">
       {{ error }}
     </span>
   </div>
diff --git a/frontend/src/directives/loading.ts b/frontend/src/directives/loading.ts
index 79ed3f833..b0f50a99c 100644
--- a/frontend/src/directives/loading.ts
+++ b/frontend/src/directives/loading.ts
@@ -40,7 +40,7 @@ const PANEL_CLASS = [
   'pl-3',
   'text-xs',
   'leading-[1.15]',
-  'font-[760]',
+  'font-heavy',
   'text-(--cp-text-secondary)',
 ].join(' ')
 const MARK_CLASS = [
diff --git a/frontend/src/layout/components/AppAboutModal.vue b/frontend/src/layout/components/AppAboutModal.vue
index 07b9121ad..b5c6a1394 100644
--- a/frontend/src/layout/components/AppAboutModal.vue
+++ b/frontend/src/layout/components/AppAboutModal.vue
@@ -53,15 +53,15 @@ const linkItems = [
     <div class="grid gap-5">
       <section class="flex min-w-0 items-center gap-3">
         <span
-          class="inline-flex size-9 shrink-0 items-center justify-center rounded-(--cp-icon-button-radius) bg-(--cp-bg-subtle) font-mono text-[15px] leading-none font-[820] text-(--cp-text-primary)"
+          class="inline-flex size-9 shrink-0 items-center justify-center rounded-(--cp-icon-button-radius) bg-(--cp-bg-subtle) font-mono text-[15px] leading-none font-extrabold text-(--cp-text-primary)"
         >
           Z
         </span>
         <div class="min-w-0">
-          <p class="m-0 truncate text-[15px] leading-none font-[780] text-(--cp-text-primary)">
+          <p class="m-0 truncate text-[15px] leading-none font-heavy text-(--cp-text-primary)">
             {{ author }}
           </p>
-          <p class="mt-1.5 mb-0 text-[12px] leading-none font-[650] text-(--cp-text-secondary)">
+          <p class="mt-1.5 mb-0 text-[12px] leading-none font-emphasis text-(--cp-text-secondary)">
             Built by Zyy · Codex Proxy RS
           </p>
         </div>
@@ -80,11 +80,11 @@ const linkItems = [
               <component :is="item.icon" class="size-5" />
             </span>
             <div class="min-w-0">
-              <p class="m-0 text-[11px] leading-none font-[760] text-(--cp-text-muted)">
+              <p class="m-0 text-[11px] leading-none font-heavy text-(--cp-text-muted)">
                 {{ item.label }}
               </p>
               <p
-                class="mt-2 mb-0 truncate font-mono text-[12px] leading-none font-[720] text-(--cp-text-primary)"
+                class="mt-2 mb-0 truncate font-mono text-[12px] leading-none font-bold text-(--cp-text-primary)"
                 :title="item.value"
               >
                 {{ item.value }}
@@ -104,7 +104,7 @@ const linkItems = [
         </div>
       </section>
 
-      <p class="m-0 font-mono text-[11px] leading-none font-[650] text-(--cp-text-muted)">
+      <p class="m-0 font-mono text-[11px] leading-none font-emphasis text-(--cp-text-muted)">
         {{ versionLine }}
       </p>
     </div>
diff --git a/frontend/src/layout/components/AppSidebar.vue b/frontend/src/layout/components/AppSidebar.vue
index ee438f9f6..2b268c370 100644
--- a/frontend/src/layout/components/AppSidebar.vue
+++ b/frontend/src/layout/components/AppSidebar.vue
@@ -353,17 +353,17 @@ onBeforeUnmount(() => {
         ref="brandLabelEl"
         class="grid min-w-33 content-center overflow-hidden"
       >
-        <strong class="text-base leading-[1.1] font-[760] text-(--cp-text-primary)">
+        <strong class="text-base leading-[1.1] font-heavy text-(--cp-text-primary)">
           Codex Proxy
         </strong>
         <span class="mt-1.5 flex h-4.5 min-w-0 items-center gap-2">
-          <span class="shrink-0 text-xs leading-none font-[650] text-(--cp-text-secondary)">
+          <span class="shrink-0 text-xs leading-none font-emphasis text-(--cp-text-secondary)">
             Rust build
           </span>
           <button
             v-if="hasVersionLabel"
             type="button"
-            class="inline-flex h-4.5 min-w-0 cursor-pointer items-center gap-1 rounded-(--cp-input-radius-small) border-0 px-1.5 font-mono text-[10px] leading-none font-[720] transition-colors outline-none focus-visible:ring-2 focus-visible:ring-(--cp-info-border) focus-visible:ring-offset-2 focus-visible:ring-offset-(--cp-bg-surface)"
+            class="inline-flex h-4.5 min-w-0 cursor-pointer items-center gap-1 rounded-(--cp-input-radius-small) border-0 px-1.5 font-mono text-[10px] leading-none font-bold transition-colors outline-none focus-visible:ring-2 focus-visible:ring-(--cp-info-border) focus-visible:ring-offset-2 focus-visible:ring-offset-(--cp-bg-surface)"
             :class="[
               hasUpdate
                 ? 'bg-(--cp-success-bg) text-(--cp-success-text) hover:bg-(--cp-success-bg-hover)'
@@ -427,7 +427,7 @@ onBeforeUnmount(() => {
       >
         <span
           v-if="!isCollapsed"
-          class="inline-flex whitespace-nowrap h-7 items-center gap-1.5 rounded-lg bg-(--cp-success-bg) px-2.5 text-xs leading-none font-[650] text-(--cp-success-text)"
+          class="inline-flex whitespace-nowrap h-7 items-center gap-1.5 rounded-lg bg-(--cp-success-bg) px-2.5 text-xs leading-none font-emphasis text-(--cp-success-text)"
         >
           <i class="size-1.5 rounded-full bg-(--cp-success)" />
           在线
diff --git a/frontend/src/layout/components/SystemUpdateModal.vue b/frontend/src/layout/components/SystemUpdateModal.vue
index fd69df26f..cd75b869d 100644
--- a/frontend/src/layout/components/SystemUpdateModal.vue
+++ b/frontend/src/layout/components/SystemUpdateModal.vue
@@ -328,15 +328,15 @@ watch(
       <section class="grid gap-4 rounded-(--cp-card-radius) bg-(--cp-bg-subtle) px-4 py-4">
         <div class="flex flex-wrap items-center justify-between gap-3">
           <div class="min-w-0">
-            <p class="m-0 text-[11px] leading-none font-[760] text-(--cp-text-muted)">
+            <p class="m-0 text-[11px] leading-none font-heavy text-(--cp-text-muted)">
               Codex Proxy RS
             </p>
-            <p class="mt-2 mb-0 text-lg leading-none font-[780] text-(--cp-text-primary)">
+            <p class="mt-2 mb-0 text-lg leading-none font-heavy text-(--cp-text-primary)">
               应用包更新
             </p>
           </div>
           <span
-            class="inline-flex h-7 shrink-0 items-center gap-1.5 rounded-full px-2.5 text-[12px] font-[760]"
+            class="inline-flex h-7 shrink-0 items-center gap-1.5 rounded-full px-2.5 text-[12px] font-heavy"
             :class="statusView.badge"
           >
             <component :is="statusView.icon" class="size-3.5" :class="statusView.iconClass" />
@@ -351,7 +351,7 @@ watch(
             class="min-w-0 rounded-(--cp-input-radius-base) bg-(--cp-bg-surface) px-3 py-2.5"
           >
             <div class="flex min-w-0 items-center justify-between gap-2">
-              <p class="m-0 truncate text-[11px] leading-none font-[760] text-(--cp-text-muted)">
+              <p class="m-0 truncate text-[11px] leading-none font-heavy text-(--cp-text-muted)">
                 {{ item.label }}
               </p>
               <a
@@ -359,14 +359,14 @@ watch(
                 :href="item.releaseUrl"
                 target="_blank"
                 rel="noreferrer"
-                class="inline-flex shrink-0 items-center gap-1 text-[11px] leading-none font-[720] text-(--cp-info-text) transition-colors hover:text-(--cp-info)"
+                class="inline-flex shrink-0 items-center gap-1 text-[11px] leading-none font-bold text-(--cp-info-text) transition-colors hover:text-(--cp-info)"
               >
                 发布页
                 <ExternalLink class="size-3" />
               </a>
             </div>
             <p
-              class="mt-2 mb-0 truncate font-mono text-[13px] leading-none font-[720] text-(--cp-text-primary)"
+              class="mt-2 mb-0 truncate font-mono text-[13px] leading-none font-bold text-(--cp-text-primary)"
               :title="item.title || item.value"
             >
               {{ item.value }}
@@ -376,7 +376,7 @@ watch(
 
         <p
           v-if="updateError || updateInfo?.warning"
-          class="m-0 rounded-(--cp-input-radius-base) bg-(--cp-danger-bg) px-3 py-2 text-[12px] leading-normal font-[720] text-(--cp-danger-text)"
+          class="m-0 rounded-(--cp-input-radius-base) bg-(--cp-danger-bg) px-3 py-2 text-[12px] leading-normal font-bold text-(--cp-danger-text)"
         >
           {{ updateError || updateInfo?.warning }}
         </p>
@@ -387,10 +387,10 @@ watch(
         class="grid gap-2 rounded-(--cp-card-radius) bg-(--cp-bg-subtle) px-4 py-3.5"
       >
         <div class="flex items-center justify-between gap-3">
-          <p class="m-0 text-[13px] font-[760] text-(--cp-text-primary)">
+          <p class="m-0 text-[13px] font-heavy text-(--cp-text-primary)">
             发布说明
           </p>
-          <span class="font-mono text-[11px] font-[650] text-(--cp-text-muted)">
+          <span class="font-mono text-[11px] font-emphasis text-(--cp-text-muted)">
             {{ displayValue(updateInfo?.latestVersion) }}
           </span>
         </div>
@@ -406,12 +406,12 @@ watch(
         <header class="flex items-center justify-between gap-3 px-4 pt-3.5 pb-2.5">
           <div class="flex min-w-0 items-center gap-2">
             <Terminal class="size-4 shrink-0 text-(--cp-success)" />
-            <p class="m-0 text-[13px] leading-none font-[760] text-(--cp-text-primary)">
+            <p class="m-0 text-[13px] leading-none font-heavy text-(--cp-text-primary)">
               更新进度
             </p>
           </div>
           <span
-            class="inline-flex h-6 items-center gap-1.5 rounded-full bg-(--cp-bg-subtle) px-2 text-[11px] leading-none font-[720] text-(--cp-text-secondary)"
+            class="inline-flex h-6 items-center gap-1.5 rounded-full bg-(--cp-bg-subtle) px-2 text-[11px] leading-none font-bold text-(--cp-text-secondary)"
             :title="updateStreamError || streamStatusLabel"
           >
             <i
@@ -509,17 +509,17 @@ watch(
           :key="item.key"
           class="flex min-w-0 items-center justify-between gap-3"
         >
-          <span class="text-[12px] leading-none font-[720] text-(--cp-text-muted)">
+          <span class="text-[12px] leading-none font-bold text-(--cp-text-muted)">
             {{ item.label }}
           </span>
           <span
-            class="truncate font-mono text-[13px] leading-none font-[760] text-(--cp-text-primary)"
+            class="truncate font-mono text-[13px] leading-none font-heavy text-(--cp-text-primary)"
           >
             {{ item.value }}
           </span>
         </div>
       </div>
-      <p class="m-0 text-[12px] leading-relaxed font-[650] text-(--cp-text-muted)">
+      <p class="m-0 text-[12px] leading-relaxed font-emphasis text-(--cp-text-muted)">
         点击确认后弹窗会关闭，并按远端最新目标版本开始更新
       </p>
     </div>
@@ -530,7 +530,7 @@ watch(
 .release-notes {
   color: var(--cp-text-primary);
   font-size: 12px;
-  font-weight: 620;
+  font-weight: var(--font-weight-emphasis);
   line-height: 1.65;
   overflow-wrap: anywhere;
 }
@@ -554,7 +554,7 @@ watch(
   margin: 12px 0 6px;
   color: var(--cp-text-primary);
   font-size: 12px;
-  font-weight: 780;
+  font-weight: var(--font-weight-heavy);
   line-height: 1.4;
 }
 
@@ -574,7 +574,7 @@ watch(
 
 .release-notes :deep(a) {
   color: var(--cp-info-text);
-  font-weight: 720;
+  font-weight: 700;
   text-decoration: none;
 }
 
diff --git a/frontend/src/styles/index.css b/frontend/src/styles/index.css
index d5b5c80af..270c9a478 100644
--- a/frontend/src/styles/index.css
+++ b/frontend/src/styles/index.css
@@ -6,6 +6,10 @@
   --font-sans:
     'Inter Variable', Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
   --font-mono: 'JetBrains Mono Variable', 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
+  /* 界面字重刻度：正文强调 650 / 加粗 700(font-bold) / 重标题 760 / 极重 800(font-extrabold)。
+     新代码从这四档取值，不再使用任意字重。 */
+  --font-weight-emphasis: 650;
+  --font-weight-heavy: 760;
   --color-cp-page: var(--cp-bg-page);
   --color-cp-surface: var(--cp-bg-surface);
   --color-cp-subtle: var(--cp-bg-subtle);
diff --git a/frontend/src/views/accounts/components/AccountConnectionTestModal.vue b/frontend/src/views/accounts/components/AccountConnectionTestModal.vue
index 86c4b61ff..8a5ae042a 100644
--- a/frontend/src/views/accounts/components/AccountConnectionTestModal.vue
+++ b/frontend/src/views/accounts/components/AccountConnectionTestModal.vue
@@ -63,7 +63,7 @@ function connectionLogClass(tone: string) {
       <section class="rounded-(--cp-card-radius) bg-(--cp-bg-subtle) px-4 py-3">
         <div class="grid gap-2">
           <div class="flex min-h-8 items-center justify-between gap-3">
-            <span class="text-[12px] font-[760] text-(--cp-text-muted)">
+            <span class="text-[12px] font-heavy text-(--cp-text-muted)">
               测试模型
             </span>
             <BaseButton
@@ -105,18 +105,18 @@ function connectionLogClass(tone: string) {
               />
             </span>
             <div class="min-w-0">
-              <p class="m-0 text-[16px] font-[780] text-(--cp-text-primary)">
+              <p class="m-0 text-[16px] font-heavy text-(--cp-text-primary)">
                 {{ statusView.label }}
               </p>
               <p
-                class="mt-1.5 mb-0 text-[13px] leading-normal font-[650] text-(--cp-text-secondary)"
+                class="mt-1.5 mb-0 text-[13px] leading-normal font-emphasis text-(--cp-text-secondary)"
               >
                 {{ statusView.description }}
               </p>
             </div>
           </div>
           <span
-            class="inline-flex h-7 shrink-0 items-center rounded-full px-2.5 text-[12px] font-[760]"
+            class="inline-flex h-7 shrink-0 items-center rounded-full px-2.5 text-[12px] font-heavy"
             :class="statusView.badge"
           >
             {{ status === 'running' ? '检测中' : statusView.label }}
@@ -125,37 +125,37 @@ function connectionLogClass(tone: string) {
 
         <div class="mt-4 grid gap-3 sm:grid-cols-3">
           <div class="rounded-lg bg-(--cp-bg-surface) px-3 py-2.5">
-            <p class="m-0 text-[11px] font-[760] text-(--cp-text-muted)">
+            <p class="m-0 text-[11px] font-heavy text-(--cp-text-muted)">
               开始时间
             </p>
-            <p class="mt-1.5 mb-0 font-mono text-[12px] font-[650] text-(--cp-text-primary)">
+            <p class="mt-1.5 mb-0 font-mono text-[12px] font-emphasis text-(--cp-text-primary)">
               {{ startedAt || '-' }}
             </p>
           </div>
           <div class="rounded-lg bg-(--cp-bg-surface) px-3 py-2.5">
-            <p class="m-0 text-[11px] font-[760] text-(--cp-text-muted)">
+            <p class="m-0 text-[11px] font-heavy text-(--cp-text-muted)">
               完成时间
             </p>
-            <p class="mt-1.5 mb-0 font-mono text-[12px] font-[650] text-(--cp-text-primary)">
+            <p class="mt-1.5 mb-0 font-mono text-[12px] font-emphasis text-(--cp-text-primary)">
               {{ finishedAt || '-' }}
             </p>
           </div>
           <div class="rounded-lg bg-(--cp-bg-surface) px-3 py-2.5">
-            <p class="m-0 text-[11px] font-[760] text-(--cp-text-muted)">
+            <p class="m-0 text-[11px] font-heavy text-(--cp-text-muted)">
               响应耗时
             </p>
-            <p class="mt-1.5 mb-0 font-mono text-[12px] font-[650] text-(--cp-text-primary)">
+            <p class="mt-1.5 mb-0 font-mono text-[12px] font-emphasis text-(--cp-text-primary)">
               {{ durationMs !== null ? `${durationMs}ms` : '-' }}
             </p>
           </div>
         </div>
 
         <div class="mt-3 rounded-lg bg-(--cp-bg-surface) px-3 py-2.5">
-          <p class="m-0 text-[11px] font-[760] text-(--cp-text-muted)">
+          <p class="m-0 text-[11px] font-heavy text-(--cp-text-muted)">
             测试模型
           </p>
           <p
-            class="mt-1.5 mb-0 truncate font-mono text-[12px] font-[650] text-(--cp-text-primary)"
+            class="mt-1.5 mb-0 truncate font-mono text-[12px] font-emphasis text-(--cp-text-primary)"
             :title="model || '-'"
           >
             {{ model || '-' }}
@@ -163,18 +163,18 @@ function connectionLogClass(tone: string) {
         </div>
 
         <div class="mt-3 rounded-lg bg-(--cp-bg-surface) px-3 py-2.5">
-          <p class="m-0 text-[11px] font-[760] text-(--cp-text-muted)">
+          <p class="m-0 text-[11px] font-heavy text-(--cp-text-muted)">
             事件轨迹
           </p>
           <BaseScrollbar max-height="260px" view-class="pt-2 pr-2">
-            <div v-if="logs.length === 0" class="text-[12px] font-[650] text-(--cp-text-muted)">
+            <div v-if="logs.length === 0" class="text-[12px] font-emphasis text-(--cp-text-muted)">
               -
             </div>
             <div v-else class="flex flex-col gap-1.5">
               <div
                 v-for="item in logs"
                 :key="item.key"
-                class="grid grid-cols-[54px_minmax(0,1fr)] gap-2 text-[12px] leading-[1.45] font-[650]"
+                class="grid grid-cols-[54px_minmax(0,1fr)] gap-2 text-[12px] leading-[1.45] font-emphasis"
               >
                 <span class="font-mono text-(--cp-text-muted)">{{ item.time }}</span>
                 <div class="min-w-0">
@@ -184,7 +184,7 @@ function connectionLogClass(tone: string) {
                   <div v-if="item.detail" class="mt-2 rounded-lg bg-(--cp-bg-subtle) px-3 py-2">
                     <BaseScrollbar max-height="138px" view-class="pr-2">
                       <pre
-                        class="m-0 whitespace-pre-wrap wrap-break-word font-mono text-[11px] leading-[1.6] font-[620] text-(--cp-text-primary)"
+                        class="m-0 whitespace-pre-wrap wrap-break-word font-mono text-[11px] leading-[1.6] font-emphasis text-(--cp-text-primary)"
                       >{{ item.detail }}</pre>
                     </BaseScrollbar>
                   </div>
@@ -195,12 +195,12 @@ function connectionLogClass(tone: string) {
         </div>
 
         <div v-if="error" class="mt-3 rounded-lg bg-(--cp-danger-bg) px-3 py-2.5">
-          <p class="m-0 text-[11px] font-[760] text-(--cp-danger-text)">
+          <p class="m-0 text-[11px] font-heavy text-(--cp-danger-text)">
             错误信息
           </p>
           <BaseScrollbar max-height="118px" view-class="pt-1.5 pr-2">
             <p
-              class="m-0 wrap-break-word text-[12px] leading-[1.55] font-[650] text-(--cp-danger-text)"
+              class="m-0 wrap-break-word text-[12px] leading-[1.55] font-emphasis text-(--cp-danger-text)"
             >
               {{ error }}
             </p>
diff --git a/frontend/src/views/accounts/components/AccountCreateModal.vue b/frontend/src/views/accounts/components/AccountCreateModal.vue
index 3928226ef..ca484f329 100644
--- a/frontend/src/views/accounts/components/AccountCreateModal.vue
+++ b/frontend/src/views/accounts/components/AccountCreateModal.vue
@@ -227,7 +227,7 @@ async function copyText(value: string, successText: string) {
               <KeyRound class="size-4" />
             </div>
             <div class="min-w-0 flex-1">
-              <p class="m-0 text-[13px] font-[720] text-(--cp-text-primary)">
+              <p class="m-0 text-[13px] font-bold text-(--cp-text-primary)">
                 {{ oauthPanelTitle }}
               </p>
               <p class="m-0 mt-1 text-[12px] leading-[1.55] font-medium text-(--cp-text-secondary)">
@@ -268,7 +268,7 @@ async function copyText(value: string, successText: string) {
               view-class="rounded-(--cp-input-radius-base) bg-(--cp-input-current-bg,var(--cp-input-context-bg)) px-3.5 py-3 shadow-(--cp-shadow-input)"
             >
               <pre
-                class="m-0 whitespace-pre-wrap wrap-break-word font-mono text-[12px] leading-[1.6] font-[650] text-(--cp-text-secondary)"
+                class="m-0 whitespace-pre-wrap wrap-break-word font-mono text-[12px] leading-[1.6] font-emphasis text-(--cp-text-secondary)"
               >{{ oauthAuthUrl }}</pre>
             </BaseScrollbar>
           </BaseFormItem>
diff --git a/frontend/src/views/accounts/components/AccountIdentityCell.vue b/frontend/src/views/accounts/components/AccountIdentityCell.vue
index 08e05a2e9..6dff7d396 100644
--- a/frontend/src/views/accounts/components/AccountIdentityCell.vue
+++ b/frontend/src/views/accounts/components/AccountIdentityCell.vue
@@ -70,14 +70,14 @@ const avatarClass = computed(() => {
 <template>
   <div class="flex min-w-0 items-center gap-3">
     <span
-      class="inline-flex shrink-0 items-center justify-center rounded-lg font-[820]"
+      class="inline-flex shrink-0 items-center justify-center rounded-lg font-extrabold"
       :class="[avatarSizeClass, avatarClass]"
     >
       {{ initial }}
     </span>
     <div class="min-w-0 flex-1">
       <div class="flex min-w-0 items-center gap-2">
-        <span class="min-w-0 flex-1 truncate text-[14px] font-[760] text-(--cp-text-primary)">
+        <span class="min-w-0 flex-1 truncate text-[14px] font-heavy text-(--cp-text-primary)">
           {{ displayTitle }}
         </span>
         <span
@@ -95,7 +95,7 @@ const avatarClass = computed(() => {
         <slot name="meta" />
         <AccountPlanBadge v-if="showPlan" :plan-type="account.planType" size="sm" />
       </div>
-      <div v-else-if="secondaryText" class="truncate font-[650]" :class="secondaryClass">
+      <div v-else-if="secondaryText" class="truncate font-emphasis" :class="secondaryClass">
         {{ secondaryText }}
       </div>
     </div>
diff --git a/frontend/src/views/accounts/components/AccountOverviewCards.vue b/frontend/src/views/accounts/components/AccountOverviewCards.vue
index e76579ada..2edc7bc6c 100644
--- a/frontend/src/views/accounts/components/AccountOverviewCards.vue
+++ b/frontend/src/views/accounts/components/AccountOverviewCards.vue
@@ -70,15 +70,15 @@ function overviewIconClass(tone: string) {
     >
       <div class="flex h-full items-stretch justify-between gap-3 px-5 py-3">
         <div class="flex min-w-0 flex-col justify-between">
-          <p class="m-0 text-[12px] leading-none font-[760] text-(--cp-text-secondary)">
+          <p class="m-0 text-[12px] leading-none font-heavy text-(--cp-text-secondary)">
             {{ item.label }}
           </p>
           <strong
-            class="block font-mono text-[26px] leading-none font-[820] text-(--cp-text-primary)"
+            class="block font-mono text-[26px] leading-none font-extrabold text-(--cp-text-primary)"
           >
             {{ item.value }}
           </strong>
-          <p class="m-0 truncate text-[12px] leading-none font-[650] text-(--cp-text-muted)">
+          <p class="m-0 truncate text-[12px] leading-none font-emphasis text-(--cp-text-muted)">
             {{ item.caption }}
           </p>
         </div>
diff --git a/frontend/src/views/accounts/components/AccountPlanBadge.vue b/frontend/src/views/accounts/components/AccountPlanBadge.vue
index a7ba22c7d..2fb4b858b 100644
--- a/frontend/src/views/accounts/components/AccountPlanBadge.vue
+++ b/frontend/src/views/accounts/components/AccountPlanBadge.vue
@@ -23,8 +23,8 @@ const label = computed(() => props.planType?.trim() || 'Free')
 
 const sizeClass = computed(() =>
   props.size === 'sm'
-    ? 'h-5 rounded-full px-1.75 text-[11px] font-[720]'
-    : 'h-5.5 rounded-full px-2 text-[11px] font-[760]',
+    ? 'h-5 rounded-full px-1.75 text-[11px] font-bold'
+    : 'h-5.5 rounded-full px-2 text-[11px] font-heavy',
 )
 
 const paletteClass = computed(() => {
diff --git a/frontend/src/views/accounts/components/AccountQuotaPanel.vue b/frontend/src/views/accounts/components/AccountQuotaPanel.vue
index 8a49f2207..2c917276e 100644
--- a/frontend/src/views/accounts/components/AccountQuotaPanel.vue
+++ b/frontend/src/views/accounts/components/AccountQuotaPanel.vue
@@ -24,11 +24,11 @@ const quotaWindows = computed(() => orderedPanelQuotaWindows(props.account.quota
   <section class="rounded-lg bg-(--cp-bg-surface) p-4 shadow-(--cp-shadow-control)">
     <div class="mb-3 flex items-center justify-between gap-3">
       <div>
-        <h3 class="m-0 text-[14px] font-[760] text-(--cp-text-primary)">
+        <h3 class="m-0 text-[14px] font-heavy text-(--cp-text-primary)">
           账号额度
         </h3>
         <p
-          class="m-0 mt-1 flex flex-wrap items-center gap-x-1.5 gap-y-1 text-[12px] font-[620] text-(--cp-text-secondary)"
+          class="m-0 mt-1 flex flex-wrap items-center gap-x-1.5 gap-y-1 text-[12px] font-emphasis text-(--cp-text-secondary)"
         >
           <span>{{ account.provider === 'xai' ? 'xAI 用量窗口' : 'Codex 额度' }}</span>
           <template v-if="account.provider === 'openai'">
diff --git a/frontend/src/views/accounts/components/AccountStatusBadge.vue b/frontend/src/views/accounts/components/AccountStatusBadge.vue
index 7fed4fd53..b35c3ec1c 100644
--- a/frontend/src/views/accounts/components/AccountStatusBadge.vue
+++ b/frontend/src/views/accounts/components/AccountStatusBadge.vue
@@ -52,14 +52,14 @@ const dotClass = computed(() => {
 <template>
   <span
     v-if="variant === 'pill'"
-    class="inline-flex h-7 shrink-0 items-center rounded-full px-2.5 text-[12px] font-[760]"
+    class="inline-flex h-7 shrink-0 items-center rounded-full px-2.5 text-[12px] font-heavy"
     :class="textClass"
   >
     {{ label }}
   </span>
   <span
     v-else
-    class="inline-flex min-w-16 items-center gap-1.5 text-[12px] leading-none font-[650]"
+    class="inline-flex min-w-16 items-center gap-1.5 text-[12px] leading-none font-emphasis"
     :class="textClass"
   >
     <span class="size-1.5 rounded-full" :class="dotClass" />
diff --git a/frontend/src/views/accounts/components/AccountTableActions.vue b/frontend/src/views/accounts/components/AccountTableActions.vue
index bffeca722..5feb45f09 100644
--- a/frontend/src/views/accounts/components/AccountTableActions.vue
+++ b/frontend/src/views/accounts/components/AccountTableActions.vue
@@ -54,7 +54,7 @@ const canReauthorize = computed(() => props.account.provider === 'openai')
       <template #default="{ close }">
         <button
           type="button"
-          class="flex h-8.5 w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 bg-transparent px-3 text-left text-[13px] leading-none font-[650] text-(--cp-text-primary) transition-colors hover:bg-(--cp-default-bg-hover) disabled:cursor-not-allowed disabled:text-(--cp-disabled-text)"
+          class="flex h-8.5 w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 bg-transparent px-3 text-left text-[13px] leading-none font-emphasis text-(--cp-text-primary) transition-colors hover:bg-(--cp-default-bg-hover) disabled:cursor-not-allowed disabled:text-(--cp-disabled-text)"
           :disabled="testing"
           @click.stop="(close(), emit('test', account))"
         >
@@ -65,7 +65,7 @@ const canReauthorize = computed(() => props.account.provider === 'openai')
         <button
           v-if="canRefreshToken"
           type="button"
-          class="flex h-8.5 w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 bg-transparent px-3 text-left text-[13px] leading-none font-[650] text-(--cp-text-primary) transition-colors hover:bg-(--cp-default-bg-hover) disabled:cursor-not-allowed disabled:text-(--cp-disabled-text)"
+          class="flex h-8.5 w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 bg-transparent px-3 text-left text-[13px] leading-none font-emphasis text-(--cp-text-primary) transition-colors hover:bg-(--cp-default-bg-hover) disabled:cursor-not-allowed disabled:text-(--cp-disabled-text)"
           :disabled="refreshing"
           @click.stop="(close(), emit('refresh', account.id))"
         >
@@ -78,7 +78,7 @@ const canReauthorize = computed(() => props.account.provider === 'openai')
         <button
           v-if="canReauthorize"
           type="button"
-          class="flex h-8.5 w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 bg-transparent px-3 text-left text-[13px] leading-none font-[650] text-(--cp-text-primary) transition-colors hover:bg-(--cp-default-bg-hover)"
+          class="flex h-8.5 w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 bg-transparent px-3 text-left text-[13px] leading-none font-emphasis text-(--cp-text-primary) transition-colors hover:bg-(--cp-default-bg-hover)"
           @click.stop="(close(), emit('reauthorize', account))"
         >
           <KeyRound class="size-3.5 text-(--cp-text-muted)" />
@@ -86,7 +86,7 @@ const canReauthorize = computed(() => props.account.provider === 'openai')
         </button>
         <button
           type="button"
-          class="flex h-8.5 w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 bg-transparent px-3 text-left text-[13px] leading-none font-[650] text-(--cp-text-primary) transition-colors hover:bg-(--cp-default-bg-hover) disabled:cursor-not-allowed disabled:text-(--cp-disabled-text)"
+          class="flex h-8.5 w-full items-center gap-2 rounded-(--cp-input-radius-small) border-0 bg-transparent px-3 text-left text-[13px] leading-none font-emphasis text-(--cp-text-primary) transition-colors hover:bg-(--cp-default-bg-hover) disabled:cursor-not-allowed disabled:text-(--cp-disabled-text)"
           :disabled="updatingStatus"
           @click.stop="(close(), emit('toggleSchedule', account))"
         >
diff --git a/frontend/src/views/accounts/components/AccountUsagePanel.vue b/frontend/src/views/accounts/components/AccountUsagePanel.vue
index 7159d07c6..36a9a0cea 100644
--- a/frontend/src/views/accounts/components/AccountUsagePanel.vue
+++ b/frontend/src/views/accounts/components/AccountUsagePanel.vue
@@ -11,7 +11,7 @@ defineProps<{
     class="grid gap-4 rounded-lg bg-(--cp-bg-surface) p-4 shadow-(--cp-shadow-control) xl:grid-cols-[0.52fr_1.48fr]"
   >
     <div>
-      <h3 class="m-0 mb-3 text-[14px] font-[760] text-(--cp-text-primary)">
+      <h3 class="m-0 mb-3 text-[14px] font-heavy text-(--cp-text-primary)">
         Token 结构
       </h3>
       <div class="grid gap-2">
@@ -52,13 +52,13 @@ defineProps<{
       class="min-w-0 pt-4 shadow-[inset_0_1px_0_var(--cp-divider-subtle)] xl:pt-0 xl:pl-4 xl:shadow-[inset_1px_0_0_var(--cp-divider-subtle)]"
     >
       <div class="mb-3 flex items-center justify-between">
-        <h3 class="m-0 text-[14px] font-[760] text-(--cp-text-primary)">
+        <h3 class="m-0 text-[14px] font-heavy text-(--cp-text-primary)">
           模型使用排行
         </h3>
       </div>
 
       <div
-        class="grid grid-cols-[1.2fr_0.7fr_0.8fr_1fr_1fr_1fr_1fr_1fr_1.4fr] gap-3 pb-2 text-[11px] font-[760] text-(--cp-text-secondary) shadow-[inset_0_-1px_0_var(--cp-divider-subtle)]"
+        class="grid grid-cols-[1.2fr_0.7fr_0.8fr_1fr_1fr_1fr_1fr_1fr_1.4fr] gap-3 pb-2 text-[11px] font-heavy text-(--cp-text-secondary) shadow-[inset_0_-1px_0_var(--cp-divider-subtle)]"
       >
         <span>模型</span>
         <span>调用</span>
@@ -72,7 +72,7 @@ defineProps<{
       </div>
       <div
         v-if="account.usage.models.length === 0"
-        class="pt-3 text-[12px] font-[650] text-(--cp-text-muted)"
+        class="pt-3 text-[12px] font-emphasis text-(--cp-text-muted)"
       >
         -
       </div>
@@ -80,7 +80,7 @@ defineProps<{
         <div
           v-for="model in account.usage.models"
           :key="model.model"
-          class="grid grid-cols-[1.2fr_0.7fr_0.8fr_1fr_1fr_1fr_1fr_1fr_1.4fr] gap-3 pt-3 text-[12px] font-[650] text-(--cp-text-primary)"
+          class="grid grid-cols-[1.2fr_0.7fr_0.8fr_1fr_1fr_1fr_1fr_1fr_1.4fr] gap-3 pt-3 text-[12px] font-emphasis text-(--cp-text-primary)"
         >
           <span class="truncate">{{ model.model }}</span>
           <span>{{ model.requestCountDisplay }}</span>
diff --git a/frontend/src/views/accounts/components/AccountUsageWindow.vue b/frontend/src/views/accounts/components/AccountUsageWindow.vue
index 0bd0a45bf..83c9a1ed5 100644
--- a/frontend/src/views/accounts/components/AccountUsageWindow.vue
+++ b/frontend/src/views/accounts/components/AccountUsageWindow.vue
@@ -60,16 +60,16 @@ const rootClass = computed(() =>
 )
 const headerClass = computed(() =>
   isCompact.value
-    ? 'mb-1 flex items-center justify-between gap-2 text-[11px] leading-none font-[720]'
-    : 'flex items-center justify-between gap-3 text-[12px] font-[720]',
+    ? 'mb-1 flex items-center justify-between gap-2 text-[11px] leading-none font-bold'
+    : 'flex items-center justify-between gap-3 text-[12px] font-bold',
 )
 const labelClass = computed(() =>
   isCompact.value ? 'text-(--cp-text-muted)' : 'text-(--cp-text-secondary)',
 )
 const valueClass = computed(() =>
   isCompact.value
-    ? 'text-[10px] leading-none font-[780]'
-    : 'text-[12px] font-[780]',
+    ? 'text-[10px] leading-none font-heavy'
+    : 'text-[12px] font-heavy',
 )
 const trackShapeClass = computed(() =>
   isCompact.value
@@ -177,7 +177,7 @@ const requestBars = computed(() => {
       </div>
       <div
         v-if="!isCompact && window.resetAtDisplay !== '—'"
-        class="mt-3 text-[12px] font-[620] text-(--cp-text-secondary)"
+        class="mt-3 text-[12px] font-emphasis text-(--cp-text-secondary)"
       >
         重置时间: {{ window.resetAtDisplay }}
       </div>
diff --git a/frontend/src/views/api-keys/components/ApiKeyIdentityCell.vue b/frontend/src/views/api-keys/components/ApiKeyIdentityCell.vue
index 7366d7950..f47e09fbe 100644
--- a/frontend/src/views/api-keys/components/ApiKeyIdentityCell.vue
+++ b/frontend/src/views/api-keys/components/ApiKeyIdentityCell.vue
@@ -13,7 +13,7 @@ defineProps<{
     <span class="text-[13px] font-bold text-(--cp-text-primary)">
       {{ apiKey.name }}
     </span>
-    <span v-if="apiKey.label" class="text-[12px] font-[650] text-(--cp-text-tertiary)">
+    <span v-if="apiKey.label" class="text-[12px] font-emphasis text-(--cp-text-tertiary)">
       {{ apiKey.label }}
     </span>
   </div>
diff --git a/frontend/src/views/api-keys/components/ApiKeyPrefixCell.vue b/frontend/src/views/api-keys/components/ApiKeyPrefixCell.vue
index 673bda6b5..c6fdf510e 100644
--- a/frontend/src/views/api-keys/components/ApiKeyPrefixCell.vue
+++ b/frontend/src/views/api-keys/components/ApiKeyPrefixCell.vue
@@ -15,7 +15,7 @@ const emit = defineEmits<{
 
 <template>
   <div class="flex items-center gap-2">
-    <code class="block min-w-0 truncate font-mono text-[12px] font-[650] text-(--cp-text-primary)">
+    <code class="block min-w-0 truncate font-mono text-[12px] font-emphasis text-(--cp-text-primary)">
       {{ prefix }}••••••••••••••••
     </code>
     <BaseButton
diff --git a/frontend/src/views/api-keys/components/ApiKeyUseModal.vue b/frontend/src/views/api-keys/components/ApiKeyUseModal.vue
index 943e43ffb..ba00fbda5 100644
--- a/frontend/src/views/api-keys/components/ApiKeyUseModal.vue
+++ b/frontend/src/views/api-keys/components/ApiKeyUseModal.vue
@@ -89,7 +89,7 @@ const visibleFiles = computed(() => [
         >
           <div class="flex items-center justify-between gap-3 px-4 py-2.5">
             <span
-              class="min-w-0 truncate font-mono text-[12px] font-[650] text-(--cp-text-secondary)"
+              class="min-w-0 truncate font-mono text-[12px] font-emphasis text-(--cp-text-secondary)"
             >
               {{ file.path }}
             </span>
@@ -108,7 +108,7 @@ const visibleFiles = computed(() => [
             view-class="mx-3 mb-3 rounded-(--cp-input-radius-base) bg-(--cp-bg-surface) px-3.5 py-3 shadow-(--cp-shadow-input)"
           >
             <pre
-              class="m-0 whitespace-pre-wrap wrap-break-word font-mono text-[12px] leading-[1.65] font-[650] text-(--cp-text-primary)"
+              class="m-0 whitespace-pre-wrap wrap-break-word font-mono text-[12px] leading-[1.65] font-emphasis text-(--cp-text-primary)"
             >{{ file.content }}</pre>
           </BaseScrollbar>
         </section>
diff --git a/frontend/src/views/api-keys/constants.ts b/frontend/src/views/api-keys/constants.ts
index e33d0bdfc..d87cac601 100644
--- a/frontend/src/views/api-keys/constants.ts
+++ b/frontend/src/views/api-keys/constants.ts
@@ -33,7 +33,7 @@ export const apiKeyColumns = [
     sortKey: 'createdAt',
     width: '176px',
     minWidth: '176px',
-    cellClass: 'font-mono text-[12px] font-[650] tabular-nums text-(--cp-text-secondary)',
+    cellClass: 'font-mono text-[12px] font-emphasis tabular-nums text-(--cp-text-secondary)',
   },
   {
     key: 'lastUsedAtDisplay',
@@ -42,7 +42,7 @@ export const apiKeyColumns = [
     sortKey: 'lastUsedAt',
     width: '176px',
     minWidth: '176px',
-    cellClass: 'font-mono text-[12px] font-[650] tabular-nums text-(--cp-text-secondary)',
+    cellClass: 'font-mono text-[12px] font-emphasis tabular-nums text-(--cp-text-secondary)',
   },
   {
     key: 'actions',
diff --git a/frontend/src/views/dashboard/components/AccountOverviewCard.vue b/frontend/src/views/dashboard/components/AccountOverviewCard.vue
index d88a83c69..91c6db198 100644
--- a/frontend/src/views/dashboard/components/AccountOverviewCard.vue
+++ b/frontend/src/views/dashboard/components/AccountOverviewCard.vue
@@ -158,7 +158,7 @@ const statusBars = computed(() => {
       class="grid px-4 pt-5 pb-6 lg:px-7 lg:pt-6 xl:grid-cols-[minmax(0,0.9fr)_minmax(0,1.28fr)_minmax(280px,0.9fr)] xl:gap-7 xl:pb-0"
     >
       <section class="min-w-0 w-full pb-6 xl:h-100.5 xl:pb-0">
-        <h2 class="m-0 text-xl leading-[1.15] font-[760] text-(--cp-text-primary)">
+        <h2 class="m-0 text-xl leading-[1.15] font-heavy text-(--cp-text-primary)">
           账号调度
         </h2>
         <p class="mt-1.75 mb-0 text-[13px] leading-[1.15] font-semibold text-(--cp-text-secondary)">
@@ -167,13 +167,13 @@ const statusBars = computed(() => {
 
         <div class="mt-6.75 grid gap-4 xl:h-82.5 xl:grid-rows-[122px_90px_minmax(0,1fr)]">
           <div class="grid h-30.5 content-between rounded-[14px] bg-(--cp-bg-subtle) p-4 xl:h-auto">
-            <span class="block h-3.5 text-xs leading-[1.15] font-[650] text-(--cp-text-secondary)">槽位占用</span>
+            <span class="block h-3.5 text-xs leading-[1.15] font-emphasis text-(--cp-text-secondary)">槽位占用</span>
             <div>
               <div class="grid h-8.5 grid-cols-[minmax(0,1fr)_auto] items-start gap-4">
                 <strong
-                  class="font-mono text-[32px] leading-[1.05] font-[760] tabular-nums text-(--cp-text-primary)"
+                  class="font-mono text-[32px] leading-[1.05] font-heavy tabular-nums text-(--cp-text-primary)"
                 >{{ usedRatio }}</strong>
-                <span class="mt-3.5 text-xs leading-[1.15] font-[650] text-(--cp-text-secondary)">
+                <span class="mt-3.5 text-xs leading-[1.15] font-emphasis text-(--cp-text-secondary)">
                   {{ occupancyLabel }}
                 </span>
               </div>
@@ -190,18 +190,18 @@ const statusBars = computed(() => {
             class="grid h-22.5 grid-cols-3 gap-4 rounded-[14px] bg-(--cp-bg-subtle) p-4 xl:h-auto"
           >
             <div v-for="stat in scheduleStats" :key="stat.label" class="grid content-between">
-              <span class="text-xs leading-[1.15] font-[650] text-(--cp-text-secondary)">{{
+              <span class="text-xs leading-[1.15] font-emphasis text-(--cp-text-secondary)">{{
                 stat.label
               }}</span>
               <strong
-                class="block font-mono text-[21px] leading-[1.1] font-[760] tabular-nums text-(--cp-text-primary)"
+                class="block font-mono text-[21px] leading-[1.1] font-heavy tabular-nums text-(--cp-text-primary)"
               >{{ stat.value }}</strong>
             </div>
           </div>
 
           <div class="grid h-20.5 content-between rounded-[14px] bg-(--cp-bg-subtle) p-4 xl:h-auto">
-            <span class="text-xs leading-[1.15] font-[650] text-(--cp-text-secondary)">分配策略</span>
-            <strong class="block text-[17px] leading-[1.15] font-[650] text-(--cp-text-primary)">{{
+            <span class="text-xs leading-[1.15] font-emphasis text-(--cp-text-secondary)">分配策略</span>
+            <strong class="block text-[17px] leading-[1.15] font-emphasis text-(--cp-text-primary)">{{
               strategyLabel
             }}</strong>
           </div>
@@ -209,7 +209,7 @@ const statusBars = computed(() => {
       </section>
 
       <section class="min-w-0 w-full">
-        <h2 class="m-0 text-xl leading-[1.15] font-[760] text-(--cp-text-primary)">
+        <h2 class="m-0 text-xl leading-[1.15] font-heavy text-(--cp-text-primary)">
           活跃账号用量
         </h2>
         <p class="mt-1.75 mb-0 text-[13px] leading-[1.15] font-semibold text-(--cp-text-secondary)">
@@ -252,18 +252,18 @@ const statusBars = computed(() => {
                 class="grid min-w-0 grid-cols-[minmax(0,0.82fr)_minmax(0,0.64fr)_minmax(104px,1fr)] items-end gap-3 xl:contents"
               >
                 <span class="grid min-w-0 gap-1">
-                  <span class="text-[11px] leading-none font-[720] text-(--cp-text-muted)">
+                  <span class="text-[11px] leading-none font-bold text-(--cp-text-muted)">
                     {{ account.metricLabel }}
                   </span>
                   <strong
-                    class="font-mono text-sm leading-[1.15] font-[780] tabular-nums text-(--cp-text-primary)"
+                    class="font-mono text-sm leading-[1.15] font-heavy tabular-nums text-(--cp-text-primary)"
                   >{{ account.metricValue }}</strong>
                 </span>
 
                 <span class="grid min-w-0 gap-1">
-                  <span class="text-[11px] leading-none font-[720] text-(--cp-text-muted)">最近</span>
+                  <span class="text-[11px] leading-none font-bold text-(--cp-text-muted)">最近</span>
                   <span
-                    class="min-w-0 truncate text-xs leading-[1.15] font-[680] text-(--cp-text-secondary) xl:whitespace-nowrap"
+                    class="min-w-0 truncate text-xs leading-[1.15] font-bold text-(--cp-text-secondary) xl:whitespace-nowrap"
                   >
                     {{ account.lastUsed }}
                   </span>
@@ -284,16 +284,16 @@ const statusBars = computed(() => {
       <section class="min-w-0 w-full pt-6 xl:h-100.5 xl:pt-0">
         <header class="flex h-12.5 items-start justify-between">
           <div>
-            <h2 class="m-0 text-xl leading-[1.15] font-[760] text-(--cp-text-primary)">
+            <h2 class="m-0 text-xl leading-[1.15] font-heavy text-(--cp-text-primary)">
               账号状态
             </h2>
-            <p class="mt-1 mb-0 text-[13px] leading-[1.15] font-[650] text-(--cp-text-secondary)">
+            <p class="mt-1 mb-0 text-[13px] leading-[1.15] font-emphasis text-(--cp-text-secondary)">
               账号池健康结构
             </p>
           </div>
           <div class="grid justify-items-end">
             <strong
-              class="font-mono text-2xl leading-[1.05] font-[760] tabular-nums text-(--cp-success-text)"
+              class="font-mono text-2xl leading-[1.05] font-heavy tabular-nums text-(--cp-success-text)"
             >{{ availabilityRate }}</strong>
             <span class="mt-0.5 text-xs leading-[1.15] font-bold text-(--cp-text-secondary)">可用率</span>
           </div>
@@ -301,8 +301,8 @@ const statusBars = computed(() => {
 
         <div class="mt-5.5 h-10.5 w-full">
           <div class="flex h-4 items-center justify-between">
-            <span class="text-xs leading-[1.15] font-[650] text-(--cp-text-secondary)">状态分布</span>
-            <span class="text-xs leading-[1.15] font-[650] text-(--cp-danger-text)">不可用 {{ statusRows[3]?.value || '0' }}</span>
+            <span class="text-xs leading-[1.15] font-emphasis text-(--cp-text-secondary)">状态分布</span>
+            <span class="text-xs leading-[1.15] font-emphasis text-(--cp-danger-text)">不可用 {{ statusRows[3]?.value || '0' }}</span>
           </div>
           <div class="mt-2.5 flex h-3 w-full overflow-hidden rounded-full bg-(--cp-bg-muted)">
             <i
@@ -328,15 +328,15 @@ const statusBars = computed(() => {
               <component :is="row.icon" :size="16" />
             </span>
             <span class="col-start-3 grid gap-1">
-              <strong class="text-sm leading-[1.15] font-[650] text-(--cp-text-primary)">{{
+              <strong class="text-sm leading-[1.15] font-emphasis text-(--cp-text-primary)">{{
                 row.label
               }}</strong>
-              <span class="text-xs leading-[1.15] font-[650] text-(--cp-text-secondary)">{{
+              <span class="text-xs leading-[1.15] font-emphasis text-(--cp-text-secondary)">{{
                 row.description
               }}</span>
             </span>
             <strong
-              class="col-start-4 text-right font-mono text-[17px] leading-[1.15] font-[760] tabular-nums"
+              class="col-start-4 text-right font-mono text-[17px] leading-[1.15] font-heavy tabular-nums"
               :class="toneValueClass(row.tone)"
             >{{ row.value }}</strong>
           </div>
diff --git a/frontend/src/views/dashboard/components/HealthTimelinePointPopover.vue b/frontend/src/views/dashboard/components/HealthTimelinePointPopover.vue
index d5741ae79..4d21f0bb1 100644
--- a/frontend/src/views/dashboard/components/HealthTimelinePointPopover.vue
+++ b/frontend/src/views/dashboard/components/HealthTimelinePointPopover.vue
@@ -70,17 +70,17 @@ const metricItems = outcomeMeta
     <header class="flex items-center justify-between gap-3 bg-(--cp-bg-subtle) px-3.5 py-3">
       <div class="flex min-w-0 items-center gap-2">
         <span class="size-2 shrink-0 rounded-full" :class="status.cellClass" />
-        <strong class="font-mono text-[13px] leading-none font-[780] text-(--cp-text-primary)">
+        <strong class="font-mono text-[13px] leading-none font-heavy text-(--cp-text-primary)">
           {{ point.time }}
         </strong>
         <span
-          class="inline-flex h-5 items-center rounded-full px-2 text-[10px] leading-none font-[760]"
+          class="inline-flex h-5 items-center rounded-full px-2 text-[10px] leading-none font-heavy"
           :class="status.badgeClass"
         >
           {{ status.label }}
         </span>
       </div>
-      <span class="shrink-0 text-[10px] leading-none font-[650] text-(--cp-text-muted)">
+      <span class="shrink-0 text-[10px] leading-none font-emphasis text-(--cp-text-muted)">
         15 分钟
       </span>
     </header>
@@ -88,22 +88,22 @@ const metricItems = outcomeMeta
     <div class="grid gap-3.5 px-3.5 py-3.5">
       <div class="flex items-end justify-between gap-4">
         <div>
-          <p class="m-0 text-[11px] leading-none font-[650] text-(--cp-text-muted)">
+          <p class="m-0 text-[11px] leading-none font-emphasis text-(--cp-text-muted)">
             有效请求可用性
           </p>
           <strong
-            class="mt-2 block font-mono text-[25px] leading-none font-[790] tabular-nums"
+            class="mt-2 block font-mono text-[25px] leading-none font-heavy tabular-nums"
             :class="healthReliabilityValueClass(point.successRequests, point.failedRequests)"
           >
             {{ point.reliabilityDisplay }}
           </strong>
         </div>
         <div class="text-right">
-          <span class="block text-[10px] leading-none font-[650] text-(--cp-text-muted)">
+          <span class="block text-[10px] leading-none font-emphasis text-(--cp-text-muted)">
             有效请求
           </span>
           <strong
-            class="mt-2 block font-mono text-[15px] leading-none font-[760] tabular-nums text-(--cp-text-primary)"
+            class="mt-2 block font-mono text-[15px] leading-none font-heavy tabular-nums text-(--cp-text-primary)"
           >
             {{ formatHealthCount(eligibleRequests) }}
           </strong>
@@ -130,11 +130,11 @@ const metricItems = outcomeMeta
           class="grid grid-cols-[auto_minmax(0,1fr)_auto] items-center gap-2 rounded-(--cp-input-radius-base) bg-(--cp-bg-subtle) px-2.5 py-2.5"
         >
           <span class="size-1.5 rounded-full" :class="item.dotClass" />
-          <span class="truncate text-[10px] leading-none font-[650] text-(--cp-text-secondary)">
+          <span class="truncate text-[10px] leading-none font-emphasis text-(--cp-text-secondary)">
             {{ item.label }}
           </span>
           <strong
-            class="font-mono text-[12px] leading-none font-[760] tabular-nums"
+            class="font-mono text-[12px] leading-none font-heavy tabular-nums"
             :class="item.valueClass"
           >
             {{ formatHealthCount(item.value) }}
@@ -143,7 +143,7 @@ const metricItems = outcomeMeta
       </div>
 
       <p
-        class="m-0 border-t border-(--cp-divider-subtle) pt-3 text-[10px] leading-[1.45] font-[650] text-(--cp-text-muted)"
+        class="m-0 border-t border-(--cp-divider-subtle) pt-3 text-[10px] leading-[1.45] font-emphasis text-(--cp-text-muted)"
       >
         客户端取消与调用方错误单独记录，不计入可用性。
       </p>
diff --git a/frontend/src/views/dashboard/components/MetricCard.vue b/frontend/src/views/dashboard/components/MetricCard.vue
index 2579e8712..ab488bfc6 100644
--- a/frontend/src/views/dashboard/components/MetricCard.vue
+++ b/frontend/src/views/dashboard/components/MetricCard.vue
@@ -78,14 +78,14 @@ const sparklineOption = computed<EChartsOption | null>(() => {
       >
         <component :is="metric.icon" :size="18" />
       </BaseMotionIcon>
-      <span class="mt-1 text-[13px] leading-[1.15] font-[650] text-(--cp-text-secondary)">{{
+      <span class="mt-1 text-[13px] leading-[1.15] font-emphasis text-(--cp-text-secondary)">{{
         metric.title
       }}</span>
     </div>
 
     <div class="mt-3.25 flex h-7.75 items-end gap-2">
       <strong
-        class="font-mono text-[28px] leading-[1.05] font-[780] tabular-nums text-(--cp-text-primary)"
+        class="font-mono text-[28px] leading-[1.05] font-heavy tabular-nums text-(--cp-text-primary)"
       >
         <AnimatedMetricValue
           :value="metric.value"
@@ -115,7 +115,7 @@ const sparklineOption = computed<EChartsOption | null>(() => {
       <span
         class="inline-grid min-w-0 w-full grid-cols-[auto_minmax(0,1fr)] items-baseline gap-2.5"
       >
-        <span class="shrink-0 text-[11px] leading-none font-[650] text-(--cp-text-muted)">{{
+        <span class="shrink-0 text-[11px] leading-none font-emphasis text-(--cp-text-muted)">{{
           metric.details[0]?.label
         }}</span>
         <b
@@ -128,7 +128,7 @@ const sparklineOption = computed<EChartsOption | null>(() => {
       <span
         class="inline-grid min-w-0 w-full grid-cols-[auto_minmax(0,auto)] items-baseline justify-end gap-2.5"
       >
-        <span class="shrink-0 text-[11px] leading-none font-[650] text-(--cp-text-muted)">{{
+        <span class="shrink-0 text-[11px] leading-none font-emphasis text-(--cp-text-muted)">{{
           metric.details[1]?.label
         }}</span>
         <b
diff --git a/frontend/src/views/dashboard/components/RequestHealthTimelineCard.vue b/frontend/src/views/dashboard/components/RequestHealthTimelineCard.vue
index ad73f406c..64d57f0dc 100644
--- a/frontend/src/views/dashboard/components/RequestHealthTimelineCard.vue
+++ b/frontend/src/views/dashboard/components/RequestHealthTimelineCard.vue
@@ -216,7 +216,7 @@ onBeforeUnmount(() => {
     <template #actions>
       <div class="flex w-full flex-wrap items-center justify-between gap-x-4 gap-y-2">
         <div
-          class="flex max-w-full flex-wrap items-center gap-x-2 gap-y-1 text-[11px] leading-none font-[650] text-(--cp-text-muted)"
+          class="flex max-w-full flex-wrap items-center gap-x-2 gap-y-1 text-[11px] leading-none font-emphasis text-(--cp-text-muted)"
         >
           <span
             v-for="item in healthLegend"
@@ -233,7 +233,7 @@ onBeforeUnmount(() => {
         </div>
         <div class="flex shrink-0 items-center gap-3">
           <strong
-            class="font-mono text-sm leading-none font-[760] tabular-nums"
+            class="font-mono text-sm leading-none font-heavy tabular-nums"
             :class="healthReliabilityValueClass(timeline.successRequests, timeline.failedRequests)"
           >
             {{ timeline.reliabilityDisplay }}
diff --git a/frontend/src/views/dashboard/components/RequestTrendCard.vue b/frontend/src/views/dashboard/components/RequestTrendCard.vue
index 9f119aea7..82136306e 100644
--- a/frontend/src/views/dashboard/components/RequestTrendCard.vue
+++ b/frontend/src/views/dashboard/components/RequestTrendCard.vue
@@ -79,11 +79,11 @@ const {
               ]"
             />
             <span class="grid min-w-0 gap-1">
-              <span class="truncate text-[10px] leading-none font-[680] text-(--cp-text-secondary)">
+              <span class="truncate text-[10px] leading-none font-bold text-(--cp-text-secondary)">
                 {{ item.label }}
               </span>
               <strong
-                class="truncate font-mono text-[15px] leading-none font-[760] tabular-nums text-(--cp-text-primary)"
+                class="truncate font-mono text-[15px] leading-none font-heavy tabular-nums text-(--cp-text-primary)"
                 :title="item.value"
               >
                 {{ item.value }}
diff --git a/frontend/src/views/dashboard/components/WireProfileCard.vue b/frontend/src/views/dashboard/components/WireProfileCard.vue
index 6defa4702..f35656e5f 100644
--- a/frontend/src/views/dashboard/components/WireProfileCard.vue
+++ b/frontend/src/views/dashboard/components/WireProfileCard.vue
@@ -209,10 +209,10 @@ function providerLabel(provider: string) {
               >
                 <Box aria-hidden="true" class="size-3.75 text-(--cp-text-secondary)" />
               </span>
-              <span class="truncate text-[11px] leading-none font-[760]">{{ profile.product }}</span>
+              <span class="truncate text-[11px] leading-none font-heavy">{{ profile.product }}</span>
             </div>
             <span
-              class="inline-flex h-7 shrink-0 items-center gap-1.5 rounded-lg px-2.5 text-[12px] leading-none font-[720]"
+              class="inline-flex h-7 shrink-0 items-center gap-1.5 rounded-lg px-2.5 text-[12px] leading-none font-bold"
               :class="releaseStatus.tone"
               :title="releaseStatus.title"
             >
@@ -224,14 +224,14 @@ function providerLabel(provider: string) {
           <div class="grid min-h-0 content-center">
             <div class="flex min-w-0 flex-wrap items-baseline gap-x-2.5 gap-y-1.5">
               <strong
-                class="block max-w-full wrap-break-word font-mono text-[27px] leading-[1.05] font-[790] tabular-nums text-(--cp-text-primary)"
+                class="block max-w-full wrap-break-word font-mono text-[27px] leading-[1.05] font-heavy tabular-nums text-(--cp-text-primary)"
                 :title="profile.version"
               >
                 {{ profile.version }}
               </strong>
               <span
                 v-if="profile.build"
-                class="shrink-0 font-mono text-[10px] leading-none font-[650] tabular-nums text-(--cp-text-muted)"
+                class="shrink-0 font-mono text-[10px] leading-none font-emphasis tabular-nums text-(--cp-text-muted)"
               >
                 Build {{ profile.build }}
               </span>
@@ -246,13 +246,13 @@ function providerLabel(provider: string) {
           >
             <div v-if="profile.provider === 'xai'" class="min-w-0">
               <dt
-                class="flex items-center gap-1.5 text-[10px] leading-none font-[720] text-(--cp-text-muted)"
+                class="flex items-center gap-1.5 text-[10px] leading-none font-bold text-(--cp-text-muted)"
               >
                 <ShieldCheck aria-hidden="true" class="size-3.25 text-(--cp-info)" />
                 认证协议
               </dt>
               <dd
-                class="mt-2 mb-0 truncate font-mono text-[14px] leading-none font-[720] tabular-nums text-(--cp-text-primary)"
+                class="mt-2 mb-0 truncate font-mono text-[14px] leading-none font-bold tabular-nums text-(--cp-text-primary)"
                 :title="authProtocol"
               >
                 {{ authProtocol }}
@@ -261,19 +261,19 @@ function providerLabel(provider: string) {
 
             <div class="min-w-0">
               <dt
-                class="flex items-center gap-1.5 text-[10px] leading-none font-[720] text-(--cp-text-muted)"
+                class="flex items-center gap-1.5 text-[10px] leading-none font-bold text-(--cp-text-muted)"
               >
                 <Monitor aria-hidden="true" class="size-3.25 text-(--cp-normal)" />
                 {{ profile.provider === 'openai' ? '模拟运行环境' : '运行环境' }}
               </dt>
               <dd
-                class="mt-2 mb-0 truncate font-mono text-[14px] leading-none font-[720] tabular-nums text-(--cp-text-primary)"
+                class="mt-2 mb-0 truncate font-mono text-[14px] leading-none font-bold tabular-nums text-(--cp-text-primary)"
                 :title="runtimeEnvironment.title"
               >
                 {{ runtimeEnvironment.primary }}
                 <span
                   v-if="runtimeEnvironment.details.length"
-                  class="text-[11px] font-[650] text-(--cp-text-secondary)"
+                  class="text-[11px] font-emphasis text-(--cp-text-secondary)"
                 >
                   <template v-for="detail in runtimeEnvironment.details" :key="detail">
                     · {{ detail }}
@@ -284,13 +284,13 @@ function providerLabel(provider: string) {
 
             <div class="min-w-0">
               <dt
-                class="flex items-center gap-1.5 text-[10px] leading-none font-[720] text-(--cp-text-muted)"
+                class="flex items-center gap-1.5 text-[10px] leading-none font-bold text-(--cp-text-muted)"
               >
                 <Terminal aria-hidden="true" class="size-3.25 text-(--cp-info)" />
                 {{ profile.provider === 'openai' ? 'Codex Core' : 'Grok Client' }}
               </dt>
               <dd
-                class="mt-2 mb-0 truncate font-mono text-[16px] leading-none font-[760] tabular-nums text-(--cp-text-primary)"
+                class="mt-2 mb-0 truncate font-mono text-[16px] leading-none font-heavy tabular-nums text-(--cp-text-primary)"
                 :title="clientIdentity"
               >
                 {{ clientIdentity }}
@@ -300,7 +300,7 @@ function providerLabel(provider: string) {
 
           <footer
             v-if="verifiedLabel || checkedLabel"
-            class="flex min-w-0 flex-wrap items-center justify-between gap-x-4 gap-y-1 text-[10px] leading-none font-[650] text-(--cp-text-muted)"
+            class="flex min-w-0 flex-wrap items-center justify-between gap-x-4 gap-y-1 text-[10px] leading-none font-emphasis text-(--cp-text-muted)"
           >
             <span v-if="verifiedLabel" :title="profile.userAgent">{{ verifiedLabel }}</span>
             <span v-if="checkedLabel">{{ checkedLabel }}</span>
diff --git a/frontend/src/views/settings/components/AdminApiKeyCard.vue b/frontend/src/views/settings/components/AdminApiKeyCard.vue
index 64cf55308..2beeaec0d 100644
--- a/frontend/src/views/settings/components/AdminApiKeyCard.vue
+++ b/frontend/src/views/settings/components/AdminApiKeyCard.vue
@@ -70,11 +70,11 @@ const emit = defineEmits<{
             <KeyRound class="size-4" />
           </BaseMotionIcon>
           <div class="min-w-0">
-            <p class="m-0 text-[13px] leading-[1.15] font-[720] text-(--cp-text-primary)">
+            <p class="m-0 text-[13px] leading-[1.15] font-bold text-(--cp-text-primary)">
               {{ status.exists ? '已启用' : '未生成' }}
             </p>
             <p
-              class="mt-1.5 mb-0 truncate text-[12px] leading-[1.15] font-[650] text-(--cp-text-secondary)"
+              class="mt-1.5 mb-0 truncate text-[12px] leading-[1.15] font-emphasis text-(--cp-text-secondary)"
             >
               {{
                 loading
@@ -89,12 +89,12 @@ const emit = defineEmits<{
       </div>
 
       <div v-if="generatedKey" class="grid gap-2">
-        <p class="m-0 text-[13px] leading-[1.15] font-[650] text-(--cp-text-secondary)">
+        <p class="m-0 text-[13px] leading-[1.15] font-emphasis text-(--cp-text-secondary)">
           完整 Key 仅显示一次，请立即保存
         </p>
         <div class="flex min-w-0 items-center gap-2">
           <code
-            class="min-w-0 flex-1 rounded-(--cp-input-radius-base) bg-(--cp-bg-subtle) px-3 py-2.5 font-mono text-[12px] leading-normal font-[650] break-all text-(--cp-text-primary)"
+            class="min-w-0 flex-1 rounded-(--cp-input-radius-base) bg-(--cp-bg-subtle) px-3 py-2.5 font-mono text-[12px] leading-normal font-emphasis break-all text-(--cp-text-primary)"
           >
             {{ generatedKey }}
           </code>
diff --git a/frontend/src/views/settings/components/ModelAliasesCard.vue b/frontend/src/views/settings/components/ModelAliasesCard.vue
index f484d2f09..2233f2ff0 100644
--- a/frontend/src/views/settings/components/ModelAliasesCard.vue
+++ b/frontend/src/views/settings/components/ModelAliasesCard.vue
@@ -40,28 +40,28 @@ const rows = computed(() => props.mappings)
           </template>
           添加映射
         </BaseButton>
-        <span v-if="error" class="text-xs font-[650] text-(--cp-danger-text)">{{ error }}</span>
+        <span v-if="error" class="text-xs font-emphasis text-(--cp-danger-text)">{{ error }}</span>
       </div>
 
-      <div class="flex items-center gap-2 text-[12px] font-[650] text-(--cp-text-secondary)">
+      <div class="flex items-center gap-2 text-[12px] font-emphasis text-(--cp-text-secondary)">
         <GitBranch class="size-4 text-(--cp-info)" />
         全局模型映射
       </div>
 
       <div
         v-if="loading"
-        class="rounded-(--cp-input-radius-base) bg-(--cp-bg-subtle) px-4 py-4 text-[13px] font-[650] text-(--cp-text-muted)"
+        class="rounded-(--cp-input-radius-base) bg-(--cp-bg-subtle) px-4 py-4 text-[13px] font-emphasis text-(--cp-text-muted)"
       >
         正在加载模型映射...
       </div>
       <div
         v-else-if="rows.length === 0"
-        class="rounded-(--cp-input-radius-base) bg-(--cp-bg-subtle) px-4 py-4 text-[13px] font-[650] text-(--cp-text-muted)"
+        class="rounded-(--cp-input-radius-base) bg-(--cp-bg-subtle) px-4 py-4 text-[13px] font-emphasis text-(--cp-text-muted)"
       >
         暂无模型映射
       </div>
       <div v-else class="grid gap-3">
-        <div class="grid grid-cols-[1fr_auto_1fr_auto] items-center gap-3 px-1 text-[12px] font-[700] text-(--cp-text-muted)">
+        <div class="grid grid-cols-[1fr_auto_1fr_auto] items-center gap-3 px-1 text-[12px] font-bold text-(--cp-text-muted)">
           <span>请求模型</span>
           <span />
           <span>上游模型</span>
diff --git a/frontend/src/views/settings/components/RotationStrategyCard.vue b/frontend/src/views/settings/components/RotationStrategyCard.vue
index 1c5aeb4cc..5201bc61c 100644
--- a/frontend/src/views/settings/components/RotationStrategyCard.vue
+++ b/frontend/src/views/settings/components/RotationStrategyCard.vue
@@ -43,9 +43,9 @@ const model = defineModel<RotationStrategy | ''>({ required: true })
               :class="model === option.value ? 'bg-(--cp-info) opacity-100' : 'opacity-0'"
             />
           </span>
-          <span class="text-[14px] leading-[1.15] font-[760]">{{ option.label }}</span>
+          <span class="text-[14px] leading-[1.15] font-heavy">{{ option.label }}</span>
         </span>
-        <span class="mt-2 block text-[13px] leading-normal font-[650] text-(--cp-text-secondary)">
+        <span class="mt-2 block text-[13px] leading-normal font-emphasis text-(--cp-text-secondary)">
           {{ option.description }}
         </span>
       </button>
diff --git a/frontend/src/views/usage/components/OpsErrorDetailModal.vue b/frontend/src/views/usage/components/OpsErrorDetailModal.vue
index 69724b533..10b4ea686 100644
--- a/frontend/src/views/usage/components/OpsErrorDetailModal.vue
+++ b/frontend/src/views/usage/components/OpsErrorDetailModal.vue
@@ -65,7 +65,7 @@ function latencyDisplay(value: unknown) {
             上游 {{ display(record.upstreamStatusCode) }}
           </span>
         </div>
-        <p class="mt-3 mb-0 text-[13px] leading-relaxed font-[680] text-(--cp-text-primary)">
+        <p class="mt-3 mb-0 text-[13px] leading-relaxed font-bold text-(--cp-text-primary)">
           {{ display(record.message) }}
         </p>
       </section>
@@ -83,7 +83,7 @@ function latencyDisplay(value: unknown) {
             {{ field.label }}
           </dt>
           <dd
-            class="mt-1.5 mb-0 truncate font-mono text-[12px] leading-normal font-[650] text-(--cp-text-primary)"
+            class="mt-1.5 mb-0 truncate font-mono text-[12px] leading-normal font-emphasis text-(--cp-text-primary)"
             :title="display(field.value)"
           >
             {{ display(field.value) }}
@@ -95,7 +95,7 @@ function latencyDisplay(value: unknown) {
         v-if="metadataText"
         class="mt-3 rounded-(--cp-card-radius) bg-(--cp-bg-subtle) px-4 py-3.5"
       >
-        <h3 class="m-0 text-[12px] leading-none font-[780] text-(--cp-text-secondary)">
+        <h3 class="m-0 text-[12px] leading-none font-heavy text-(--cp-text-secondary)">
           Metadata
         </h3>
         <BaseScrollbar
diff --git a/frontend/src/views/usage/components/OpsErrorPanel.vue b/frontend/src/views/usage/components/OpsErrorPanel.vue
index 1eaa71c93..c8e476402 100644
--- a/frontend/src/views/usage/components/OpsErrorPanel.vue
+++ b/frontend/src/views/usage/components/OpsErrorPanel.vue
@@ -94,7 +94,7 @@ function showDetail(record: Awaited<ReturnType<typeof getOpsErrors>>['items'][nu
         />
       </template>
       <template #failureClass="{ row }">
-        <span class="font-mono text-[12px] font-[680] text-(--cp-danger-text)">
+        <span class="font-mono text-[12px] font-bold text-(--cp-danger-text)">
           {{ row.failureClass || '—' }}
         </span>
       </template>
diff --git a/frontend/src/views/usage/components/UsageBillingCell.vue b/frontend/src/views/usage/components/UsageBillingCell.vue
index a87038520..ba987ee62 100644
--- a/frontend/src/views/usage/components/UsageBillingCell.vue
+++ b/frontend/src/views/usage/components/UsageBillingCell.vue
@@ -50,7 +50,7 @@ function itemValueClass(tone?: string, accent?: boolean) {
 
 <template>
   <div class="flex items-center justify-end gap-1.5">
-    <span class="font-mono text-[12px] font-[760] tabular-nums text-(--cp-success-text)">
+    <span class="font-mono text-[12px] font-heavy tabular-nums text-(--cp-success-text)">
       {{ usageBillingText(record) }}
     </span>
 
@@ -58,7 +58,7 @@ function itemValueClass(tone?: string, accent?: boolean) {
       <div class="grid gap-1.5 text-(--cp-text-secondary)">
         <div v-for="item in amountItems" :key="item.label" class="flex justify-between gap-4">
           <span>{{ item.label }}</span>
-          <span class="font-mono font-[760]" :class="itemValueClass(undefined, item.accent)">
+          <span class="font-mono font-heavy" :class="itemValueClass(undefined, item.accent)">
             {{ item.value }}
           </span>
         </div>
@@ -66,7 +66,7 @@ function itemValueClass(tone?: string, accent?: boolean) {
       <div class="mt-1 grid gap-1.5 rounded-(--cp-input-radius-base) bg-(--cp-bg-subtle) p-2 text-(--cp-text-secondary)">
         <div v-for="item in billingItems" :key="item.label" class="flex justify-between gap-4">
           <span>{{ item.label }}</span>
-          <span class="font-mono font-[760]" :class="itemValueClass(item.tone)">
+          <span class="font-mono font-heavy" :class="itemValueClass(item.tone)">
             {{ item.value }}
           </span>
         </div>
diff --git a/frontend/src/views/usage/components/UsageDetailCodePanel.vue b/frontend/src/views/usage/components/UsageDetailCodePanel.vue
index d715dc9d0..632285582 100644
--- a/frontend/src/views/usage/components/UsageDetailCodePanel.vue
+++ b/frontend/src/views/usage/components/UsageDetailCodePanel.vue
@@ -8,7 +8,7 @@ defineProps<{
   content: string
 }>()
 
-const panelTitleClass = 'm-0 text-[12px] leading-none font-[780] text-(--cp-text-secondary)'
+const panelTitleClass = 'm-0 text-[12px] leading-none font-heavy text-(--cp-text-secondary)'
 const codeBlockViewClass = 'rounded-(--cp-input-radius-base) bg-(--cp-bg-surface) px-3 py-2.5'
 const codeBlockClass
   = 'm-0 whitespace-pre-wrap wrap-break-word font-mono text-[12px] leading-[1.65] text-(--cp-text-primary)'
diff --git a/frontend/src/views/usage/components/UsageDetailPopover.vue b/frontend/src/views/usage/components/UsageDetailPopover.vue
index 11dbb5d96..ddbe91d64 100644
--- a/frontend/src/views/usage/components/UsageDetailPopover.vue
+++ b/frontend/src/views/usage/components/UsageDetailPopover.vue
@@ -30,7 +30,7 @@ defineProps<{
     </template>
 
     <div class="grid gap-2 text-[12px] leading-none">
-      <p class="m-0 font-[760] text-(--cp-text-primary)">
+      <p class="m-0 font-heavy text-(--cp-text-primary)">
         {{ title }}
       </p>
       <slot />
diff --git a/frontend/src/views/usage/components/UsageDiagnosticCard.vue b/frontend/src/views/usage/components/UsageDiagnosticCard.vue
index 70aed7984..7a85c131f 100644
--- a/frontend/src/views/usage/components/UsageDiagnosticCard.vue
+++ b/frontend/src/views/usage/components/UsageDiagnosticCard.vue
@@ -147,7 +147,7 @@ function diagnosticNameDisplay(name: string) {
         <template #nameDisplay="{ row }">
           <div class="inline-grid max-w-full min-w-0 gap-1" :title="row.nameDisplay.full">
             <code
-              class="block max-w-full truncate font-mono text-[12px] leading-none font-[760] text-(--cp-text-primary)"
+              class="block max-w-full truncate font-mono text-[12px] leading-none font-heavy text-(--cp-text-primary)"
             >
               {{ row.nameDisplay.primary }}
             </code>
@@ -172,10 +172,10 @@ function diagnosticNameDisplay(name: string) {
             class="grid justify-items-end gap-1 font-mono leading-none tabular-nums"
             :title="`成功 ${formatCompactNumber(row.successCount)}`"
           >
-            <strong class="font-[720] text-(--cp-text-primary)">
+            <strong class="font-bold text-(--cp-text-primary)">
               {{ formatCompactNumber(row.requestCount) }}
             </strong>
-            <small class="text-[10px] font-[650] text-(--cp-text-muted)">
+            <small class="text-[10px] font-emphasis text-(--cp-text-muted)">
               {{ formatPercent(row.requestShare) }}
             </small>
           </span>
@@ -184,13 +184,13 @@ function diagnosticNameDisplay(name: string) {
         <template #errorCount="{ row }">
           <span class="grid justify-items-end gap-1 font-mono leading-none tabular-nums">
             <strong
-              class="font-[720]"
+              class="font-bold"
               :class="row.errorCount > 0 ? 'text-(--cp-danger-text)' : 'text-(--cp-text-primary)'"
             >
               {{ formatCompactNumber(row.errorCount) }}
             </strong>
             <small
-              class="text-[10px] font-[650]"
+              class="text-[10px] font-emphasis"
               :class="row.errorRate > 0 ? 'text-(--cp-danger-text)' : 'text-(--cp-text-muted)'"
             >
               {{ formatPercent(row.errorRate) }}
@@ -199,13 +199,13 @@ function diagnosticNameDisplay(name: string) {
         </template>
 
         <template #latencyP95Ms="{ row }">
-          <span class="font-mono font-[680] tabular-nums text-(--cp-warning-text)">
+          <span class="font-mono font-bold tabular-nums text-(--cp-warning-text)">
             {{ formatDuration(row.latencyP95Ms) }}
           </span>
         </template>
 
         <template #estimatedCost="{ row }">
-          <span class="font-mono font-[680] tabular-nums text-(--cp-success-text)">
+          <span class="font-mono font-bold tabular-nums text-(--cp-success-text)">
             {{ formatUsd(row.estimatedCost) }}
           </span>
         </template>
diff --git a/frontend/src/views/usage/components/UsageLatencyCell.vue b/frontend/src/views/usage/components/UsageLatencyCell.vue
index 57ce83edf..1dc9606ba 100644
--- a/frontend/src/views/usage/components/UsageLatencyCell.vue
+++ b/frontend/src/views/usage/components/UsageLatencyCell.vue
@@ -15,7 +15,7 @@ const latencyDetails = computed(() => usageLatencyDetails(props.record))
 <template>
   <div class="flex items-center justify-end gap-1.5">
     <div
-      class="grid grid-cols-[auto_auto] items-center justify-end gap-x-2 gap-y-1.5 font-mono text-[12px] leading-none font-[760] tabular-nums"
+      class="grid grid-cols-[auto_auto] items-center justify-end gap-x-2 gap-y-1.5 font-mono text-[12px] leading-none font-heavy tabular-nums"
     >
       <span class="text-[11px] text-(--cp-text-muted)">{{ latencyDetails.firstOutputLabel }}</span>
       <span class="text-(--cp-text-secondary)">{{ latencyDetails.firstOutputDisplay }}</span>
@@ -34,7 +34,7 @@ const latencyDetails = computed(() => usageLatencyDetails(props.record))
           class="flex justify-between gap-4"
         >
           <span class="whitespace-nowrap">{{ item.label }}</span>
-          <span class="whitespace-nowrap font-mono font-[760] text-(--cp-text-primary)">
+          <span class="whitespace-nowrap font-mono font-heavy text-(--cp-text-primary)">
             {{ item.value }}
           </span>
         </div>
@@ -45,7 +45,7 @@ const latencyDetails = computed(() => usageLatencyDetails(props.record))
 
       <div class="flex justify-between border-t border-(--cp-divider-subtle) pt-2">
         <span class="whitespace-nowrap text-(--cp-text-secondary)">总耗时</span>
-        <span class="whitespace-nowrap font-mono font-[760] text-(--cp-info-text)">
+        <span class="whitespace-nowrap font-mono font-heavy text-(--cp-info-text)">
           {{ latencyDetails.totalDisplay }}
         </span>
       </div>
@@ -54,7 +54,7 @@ const latencyDetails = computed(() => usageLatencyDetails(props.record))
         v-if="latencyDetails.transportItems.length"
         class="grid gap-1.5 border-t border-(--cp-divider-subtle) pt-2 text-(--cp-text-secondary)"
       >
-        <p class="m-0 font-[760] text-(--cp-text-primary)">
+        <p class="m-0 font-heavy text-(--cp-text-primary)">
           传输观测
         </p>
         <div
@@ -63,7 +63,7 @@ const latencyDetails = computed(() => usageLatencyDetails(props.record))
           class="flex justify-between gap-4"
         >
           <span class="whitespace-nowrap">{{ item.label }}</span>
-          <span class="whitespace-nowrap font-mono font-[760] text-(--cp-text-primary)">
+          <span class="whitespace-nowrap font-mono font-heavy text-(--cp-text-primary)">
             {{ item.value }}
           </span>
         </div>
diff --git a/frontend/src/views/usage/components/UsageModelCell.vue b/frontend/src/views/usage/components/UsageModelCell.vue
index 99124687b..89d1ff7a5 100644
--- a/frontend/src/views/usage/components/UsageModelCell.vue
+++ b/frontend/src/views/usage/components/UsageModelCell.vue
@@ -15,7 +15,7 @@ const modelDisplay = computed(() => usageModelDisplay(props.record))
 <template>
   <div class="inline-grid max-w-full gap-1">
     <code
-      class="block max-w-full truncate font-mono text-[12px] leading-none font-[760] text-(--cp-text-primary)"
+      class="block max-w-full truncate font-mono text-[12px] leading-none font-heavy text-(--cp-text-primary)"
     >
       {{ modelDisplay.primary }}
     </code>
diff --git a/frontend/src/views/usage/components/UsageReasoningEffortCell.vue b/frontend/src/views/usage/components/UsageReasoningEffortCell.vue
index c5c9bacf5..4a6e9bc6f 100644
--- a/frontend/src/views/usage/components/UsageReasoningEffortCell.vue
+++ b/frontend/src/views/usage/components/UsageReasoningEffortCell.vue
@@ -11,7 +11,7 @@ defineProps<{
 
 <template>
   <span
-    class="inline-flex items-center gap-1 whitespace-nowrap text-[12px] font-[720] text-(--cp-text-primary)"
+    class="inline-flex items-center gap-1 whitespace-nowrap text-[12px] font-bold text-(--cp-text-primary)"
   >
     <span>{{ usageReasoningEffort(record) }}</span>
     <span
diff --git a/frontend/src/views/usage/components/UsageRecordDetailModal.vue b/frontend/src/views/usage/components/UsageRecordDetailModal.vue
index d47c7dd1f..5eeb958ec 100644
--- a/frontend/src/views/usage/components/UsageRecordDetailModal.vue
+++ b/frontend/src/views/usage/components/UsageRecordDetailModal.vue
@@ -44,7 +44,7 @@ const billing = computed(() => props.record ? usageBilling(props.record) : null)
 const latencyDetails = computed(() => props.record ? usageLatencyDetails(props.record) : null)
 
 const panelClass = 'rounded-(--cp-card-radius) bg-(--cp-bg-subtle) px-4 py-3.5'
-const panelTitleClass = 'm-0 text-[12px] leading-none font-[780] text-(--cp-text-secondary)'
+const panelTitleClass = 'm-0 text-[12px] leading-none font-heavy text-(--cp-text-secondary)'
 
 const accountDisplay = computed(() => props.record ? usageAccountText(props.record) : '—')
 const overviewItems = computed(() => [
@@ -229,7 +229,7 @@ const tokenDonutOption = computed<EChartsOption>(() => {
         <div class="min-w-0">
           <span :class="fieldLabelClass">账号</span>
           <p
-            class="mt-1.5 mb-0 truncate font-mono text-[13px] leading-none font-[760] text-(--cp-text-primary)"
+            class="mt-1.5 mb-0 truncate font-mono text-[13px] leading-none font-heavy text-(--cp-text-primary)"
             :title="displayValue(accountDisplay)"
           >
             {{ displayValue(accountDisplay) }}
diff --git a/frontend/src/views/usage/components/UsageRecordsTable.vue b/frontend/src/views/usage/components/UsageRecordsTable.vue
index 886dd1044..581d15dd1 100644
--- a/frontend/src/views/usage/components/UsageRecordsTable.vue
+++ b/frontend/src/views/usage/components/UsageRecordsTable.vue
@@ -38,7 +38,7 @@ defineProps<{
 
     <template #accountEmail="{ row }">
       <span
-        class="block max-w-full truncate font-mono text-[12px] leading-none font-[720] text-(--cp-text-primary)"
+        class="block max-w-full truncate font-mono text-[12px] leading-none font-bold text-(--cp-text-primary)"
         :title="usageAccountText(row)"
       >
         {{ usageAccountText(row) }}
@@ -59,7 +59,7 @@ defineProps<{
 
     <template #route="{ row }">
       <div class="inline-flex max-w-full items-center gap-1.5 whitespace-nowrap">
-        <code class="font-mono text-[12px] font-[650]">{{ row.route || '—' }}</code>
+        <code class="font-mono text-[12px] font-emphasis">{{ row.route || '—' }}</code>
         <span
           v-if="usageIsCompact(row)"
           class="inline-flex shrink-0 text-(--cp-warning-text)"
diff --git a/frontend/src/views/usage/components/UsageSummaryCards.vue b/frontend/src/views/usage/components/UsageSummaryCards.vue
index c75865f43..c8c2ba41d 100644
--- a/frontend/src/views/usage/components/UsageSummaryCards.vue
+++ b/frontend/src/views/usage/components/UsageSummaryCards.vue
@@ -75,7 +75,7 @@ const items = computed(() => [
         >
           {{ item.value }}
         </strong>
-        <span class="block truncate text-[12px] leading-none font-[650] text-(--cp-text-secondary)">
+        <span class="block truncate text-[12px] leading-none font-emphasis text-(--cp-text-secondary)">
           {{ item.detail }}
         </span>
       </div>
diff --git a/frontend/src/views/usage/components/UsageTokenCell.vue b/frontend/src/views/usage/components/UsageTokenCell.vue
index 3ceef5307..04b73a712 100644
--- a/frontend/src/views/usage/components/UsageTokenCell.vue
+++ b/frontend/src/views/usage/components/UsageTokenCell.vue
@@ -43,14 +43,14 @@ const tokenItems = computed(() => [
       <div class="grid gap-1.5 text-(--cp-text-secondary)">
         <div v-for="item in tokenItems" :key="item.label" class="flex justify-between gap-4">
           <span class="whitespace-nowrap">{{ item.label }}</span>
-          <span class="whitespace-nowrap font-mono font-[760] text-(--cp-text-primary)">
+          <span class="whitespace-nowrap font-mono font-heavy text-(--cp-text-primary)">
             {{ item.value }}
           </span>
         </div>
       </div>
       <div class="mt-1 flex justify-between border-t border-(--cp-divider-subtle) pt-2">
         <span class="whitespace-nowrap text-(--cp-text-secondary)">总 Token</span>
-        <span class="whitespace-nowrap font-mono font-[760] text-(--cp-info-text)">
+        <span class="whitespace-nowrap font-mono font-heavy text-(--cp-info-text)">
           {{ tokenDetails.totalTokensDisplay }}
         </span>
       </div>
diff --git a/frontend/src/views/usage/constants.ts b/frontend/src/views/usage/constants.ts
index 36c63ae3b..d789eacad 100644
--- a/frontend/src/views/usage/constants.ts
+++ b/frontend/src/views/usage/constants.ts
@@ -26,14 +26,14 @@ export const usageRecordColumns = [
     label: '推理强度',
     width: '98px',
     ellipsis: false,
-    cellClass: 'whitespace-nowrap text-[12px] font-[700] text-(--cp-text-primary)',
+    cellClass: 'whitespace-nowrap text-[12px] font-bold text-(--cp-text-primary)',
   },
   {
     key: 'route',
     label: '端点',
     width: '185px',
     ellipsis: false,
-    cellClass: 'font-mono text-[12px] font-[650]',
+    cellClass: 'font-mono text-[12px] font-emphasis',
   },
   {
     key: 'recordType',
@@ -69,7 +69,7 @@ export const usageRecordColumns = [
     width: '190px',
     ellipsis: false,
     cellClass:
-      'whitespace-nowrap font-mono text-[12px] font-[650] tabular-nums text-(--cp-text-secondary)',
+      'whitespace-nowrap font-mono text-[12px] font-emphasis tabular-nums text-(--cp-text-secondary)',
   },
   {
     key: 'clientIp',
@@ -83,7 +83,7 @@ export const usageRecordColumns = [
     width: '340px',
     ellipsis: false,
     cellClass:
-      'whitespace-normal break-words text-[12px] leading-[1.45] font-[650] text-(--cp-text-secondary)',
+      'whitespace-normal break-words text-[12px] leading-[1.45] font-emphasis text-(--cp-text-secondary)',
   },
   {
     key: 'actions',
@@ -101,44 +101,44 @@ export const opsErrorColumns = [
     label: '时间',
     width: '190px',
     cellClass:
-      'whitespace-nowrap font-mono text-[12px] font-[650] tabular-nums text-(--cp-text-secondary)',
+      'whitespace-nowrap font-mono text-[12px] font-emphasis tabular-nums text-(--cp-text-secondary)',
   },
   { key: 'upstreamStatusCode', label: '上游状态', width: '96px', align: 'center' as const },
   {
     key: 'failureClass',
     label: '失败分类',
     width: '170px',
-    cellClass: 'font-mono text-[12px] font-[650]',
+    cellClass: 'font-mono text-[12px] font-emphasis',
   },
   {
     key: 'kind',
     label: '事件',
     width: '170px',
-    cellClass: 'font-mono text-[12px] font-[650]',
+    cellClass: 'font-mono text-[12px] font-emphasis',
   },
   {
     key: 'route',
     label: '端点',
     width: '190px',
-    cellClass: 'font-mono text-[12px] font-[650]',
+    cellClass: 'font-mono text-[12px] font-emphasis',
   },
   {
     key: 'model',
     label: '模型',
     width: '180px',
-    cellClass: 'font-mono text-[12px] font-[650]',
+    cellClass: 'font-mono text-[12px] font-emphasis',
   },
   {
     key: 'accountId',
     label: '账号 ID',
     width: '230px',
-    cellClass: 'font-mono text-[12px] font-[650]',
+    cellClass: 'font-mono text-[12px] font-emphasis',
   },
   {
     key: 'requestId',
     label: '请求 ID',
     width: '250px',
-    cellClass: 'font-mono text-[12px] font-[650]',
+    cellClass: 'font-mono text-[12px] font-emphasis',
   },
   { key: 'message', label: '消息', minWidth: '300px', flex: 1 },
   {
diff --git a/frontend/src/views/usage/index.vue b/frontend/src/views/usage/index.vue
index e4197964b..03dd0f985 100644
--- a/frontend/src/views/usage/index.vue
+++ b/frontend/src/views/usage/index.vue
@@ -87,11 +87,11 @@ watch(timeRange, () => {
       <template #header>
         <div class="flex flex-wrap items-center justify-between gap-3">
           <div>
-            <h2 class="m-0 text-xl leading-[1.15] font-[760] text-(--cp-text-primary)">
+            <h2 class="m-0 text-xl leading-[1.15] font-heavy text-(--cp-text-primary)">
               请求明细
             </h2>
             <p
-              class="mt-1.75 mb-0 text-[13px] leading-[1.15] font-[650] text-(--cp-text-secondary)"
+              class="mt-1.75 mb-0 text-[13px] leading-[1.15] font-emphasis text-(--cp-text-secondary)"
             >
               成功请求与失败请求明细
             </p>
diff --git a/frontend/src/views/usage/utils/detail.ts b/frontend/src/views/usage/utils/detail.ts
index 2e14c0fae..5621f5682 100644
--- a/frontend/src/views/usage/utils/detail.ts
+++ b/frontend/src/views/usage/utils/detail.ts
@@ -1,7 +1,7 @@
 // 详情弹窗共享的字段展示约定：占位符、标签/值样式，供弹窗与其子组件复用。
 export const fieldLabelClass = 'text-[11px] leading-none font-bold text-(--cp-text-muted)'
 export const fieldValueBaseClass
-  = 'mt-1.5 mb-0 min-w-0 truncate text-[12px] leading-none font-[700] text-(--cp-text-primary)'
+  = 'mt-1.5 mb-0 min-w-0 truncate text-[12px] leading-none font-bold text-(--cp-text-primary)'
 
 export function displayValue(value: unknown) {
   if (value === undefined || value === null || value === '')