diff --git a/src/components/AuthModal.astro b/src/components/AuthModal.astro
index b7aaba5..77d4a25 100644
--- a/src/components/AuthModal.astro
+++ b/src/components/AuthModal.astro
@@ -23,16 +23,18 @@ const fullLoginLabel = t('go to full login')
   x-show="isOpen"
   x-cloak
   data-auth-fail={failLabel}
+  data-auth-modal
   class="fixed inset-0 z-[200] flex items-center justify-center bg-black/40 px-5"
   role="dialog"
   aria-modal="true"
   aria-label={title}
   @click.self="close()"
   @keydown.escape.window="close()"
+  @keydown.tab="trapFocus($event)"
 >
   <div class="w-full max-w-sm border-2 border-black bg-white p-8">
     <div class="mb-6 flex items-start justify-between border-b-2 border-black pb-4">
-      <h3 class="text-2xl font-black uppercase leading-none tracking-tight">{title}</h3>
+      <h3 class="text-2xl font-semibold uppercase leading-none tracking-display">{title}</h3>
       <button type="button" @click="close()" class="-mt-1 text-[11px] uppercase tracking-widest opacity-60 transition-opacity hover:opacity-100">{closeLabel}</button>
     </div>
 
@@ -40,19 +42,19 @@ const fullLoginLabel = t('go to full login')
 
     <form @submit.prevent="submit()" class="space-y-6" novalidate>
       <div>
-        <label class="mb-2 block text-[11px] uppercase tracking-widest text-[var(--c-gray-700)]">{accountLabel}</label>
-        <input type="text" x-model="account" autocomplete="username" required
+        <label for="auth-account" class="mb-2 block text-[11px] uppercase tracking-widest text-[var(--c-gray-700)]">{accountLabel}</label>
+        <input id="auth-account" type="text" x-model="account" autocomplete="username" required
           class="w-full border-0 border-b border-black/30 bg-transparent px-0 py-2 text-sm outline-none transition-colors focus:border-black focus:ring-0" />
       </div>
       <div>
-        <label class="mb-2 block text-[11px] uppercase tracking-widest text-[var(--c-gray-700)]">{passwordLabel}</label>
-        <input type="password" x-model="password" autocomplete="current-password" required
+        <label for="auth-password" class="mb-2 block text-[11px] uppercase tracking-widest text-[var(--c-gray-700)]">{passwordLabel}</label>
+        <input id="auth-password" type="password" x-model="password" autocomplete="current-password" required
           class="w-full border-0 border-b border-black/30 bg-transparent px-0 py-2 text-sm outline-none transition-colors focus:border-black focus:ring-0" />
       </div>
 
       <p x-show="error" x-text="error" x-cloak class="text-xs uppercase tracking-wide text-red-600"></p>
 
-      <button type="submit" :disabled="loading"
+      <button type="submit" :disabled="loading" :aria-busy="loading"
         class="w-full border border-black bg-black py-3.5 text-[12px] font-bold uppercase tracking-[0.2em] text-white transition-colors hover:bg-white hover:text-black disabled:opacity-40">
         <span x-show="!loading">{title}</span>
         <span x-show="loading" x-cloak>…</span>
@@ -75,6 +77,7 @@ const fullLoginLabel = t('go to full login')
   interface AuthStore {
     isOpen: boolean
     pending: HTMLElement | null
+    lastFocused: HTMLElement | null
     account: string
     password: string
     error: string
@@ -83,6 +86,7 @@ const fullLoginLabel = t('go to full login')
     close(): void
     submit(): Promise<void>
     goFullLogin(): void
+    trapFocus(e: KeyboardEvent): void
   }
 
   document.addEventListener("alpine:init", () => {
@@ -90,6 +94,7 @@ const fullLoginLabel = t('go to full login')
     const authStore: AuthStore = {
       isOpen: false,
       pending: null as HTMLElement | null,
+      lastFocused: null as HTMLElement | null,
       account: "",
       password: "",
       error: "",
@@ -98,9 +103,15 @@ const fullLoginLabel = t('go to full login')
       request(el: HTMLElement): boolean {
         if (getUser()) return true // 已登录：放行，交还原生点击
         this.pending = el
+        this.lastFocused = el
         this.error = ""
         this.isOpen = true
         document.body.style.overflow = "hidden" // 锁背景滚动
+        // 焦点移入弹窗：屏幕阅读器立即播报 aria-label，键盘用户不必从页面顶端重新 Tab
+        requestAnimationFrame(() => {
+          const first = document.querySelector<HTMLElement>("[data-auth-modal] input")
+          first?.focus()
+        })
         return false
       },
 
@@ -112,6 +123,11 @@ const fullLoginLabel = t('go to full login')
         this.pending = null
         this.error = ""
         document.body.style.overflow = ""
+        // 关闭后把焦点还给触发它的元素。否则焦点会掉回 <body>，
+        // 键盘用户等于被「传送」回页面顶部，需要重新 Tab 十几下。
+        const back = this.lastFocused
+        this.lastFocused = null
+        if (back && document.contains(back)) back.focus?.()
       },
 
       async submit() {
@@ -142,6 +158,29 @@ const fullLoginLabel = t('go to full login')
         this.close()
         window.location.assign(`/${loc}/login?redirect=${encodeURIComponent(p)}`)
       },
+
+      // 焦点陷阱：aria-modal="true" 只是「声明」，不会自动把 Tab 关在弹窗里。
+      // 不实现这个，用户 Tab 几下就会跑到背后被遮住的页面元素上。
+      trapFocus(e: KeyboardEvent) {
+        const root = document.querySelector<HTMLElement>("[data-auth-modal]")
+        if (!root) return
+        const items = Array.from(
+          root.querySelectorAll<HTMLElement>(
+            'a[href], button:not([disabled]), input:not([disabled]), select, textarea, [tabindex]:not([tabindex="-1"])'
+          )
+        ).filter((el) => el.offsetParent !== null)
+        if (items.length === 0) return
+        const first = items[0]
+        const last = items[items.length - 1]
+        if (!first || !last) return
+        if (e.shiftKey && document.activeElement === first) {
+          e.preventDefault()
+          last.focus()
+        } else if (!e.shiftKey && document.activeElement === last) {
+          e.preventDefault()
+          first.focus()
+        }
+      },
     }
 
     Alpine.store("auth", authStore)
diff --git a/src/components/ComingSoon.astro b/src/components/ComingSoon.astro
index 660bd70..3a78de2 100644
--- a/src/components/ComingSoon.astro
+++ b/src/components/ComingSoon.astro
@@ -48,7 +48,7 @@ const moduleLabel = locale === 'cn' ? moduleZh || module : module || moduleZh
     @apply text-[11px] tracking-[0.25em] uppercase text-[var(--c-gray-800)];
   }
   .cs-title {
-    @apply font-black tracking-[-0.02em];
+    @apply font-bold tracking-[-0.02em];
     line-height: 0.9;
     font-size: clamp(56px, 13vw, 128px);
     margin: 0.16em 0 0.3em;
diff --git a/src/components/DetailGalleryView.astro b/src/components/DetailGalleryView.astro
index d41a9ca..f4a757b 100644
--- a/src/components/DetailGalleryView.astro
+++ b/src/components/DetailGalleryView.astro
@@ -132,7 +132,7 @@ const hasImages = previewImages.length > 0
   {
     hasItem ? (
       <article class="mx-auto max-w-[1600px] px-5 md:px-10 py-12 md:py-16">
-        <h1 class="font-black leading-[0.95] tracking-tight text-[10vw] md:text-[4.5rem] mt-8">
+        <h1 class="font-bold leading-[0.95] tracking-tight text-[10vw] md:text-[4.5rem] mt-8">
           {title}
         </h1>
 
diff --git a/src/components/views/Account.astro b/src/components/views/Account.astro
index 3ac91fb..1f36a12 100644
--- a/src/components/views/Account.astro
+++ b/src/components/views/Account.astro
@@ -38,7 +38,7 @@ const browseLabel = t("browse the archive")
     <!-- ===== 未登录：整版引导 ===== -->
     <div x-show="!user" x-cloak class="flex flex-col items-center justify-center border border-black/15 px-6 py-32 text-center">
       <p class="mb-5 text-[11px] uppercase tracking-[0.3em] text-[var(--c-gray-600)]">{pleaseLabel}</p>
-      <p class="mb-12 text-5xl font-black uppercase leading-none tracking-tight md:text-7xl">{titleLabel}</p>
+      <p class="mb-12 text-5xl font-bold uppercase leading-none tracking-tight md:text-7xl">{titleLabel}</p>
       <a href={loginUrl} class="inline-flex items-center justify-center border border-black bg-black px-10 py-4 text-[12px] font-bold uppercase tracking-[0.22em] text-white transition-colors hover:bg-white hover:text-black">{loginLabel}</a>
     </div>
 
@@ -50,7 +50,7 @@ const browseLabel = t("browse the archive")
         <div class="min-w-0">
           <p class="mb-4 text-[11px] uppercase tracking-[0.3em] text-[var(--c-gray-600)]">{t("member profile")}</p>
           <div class="flex flex-wrap items-end gap-x-4">
-            <h1 class="text-6xl font-black uppercase leading-[0.88] tracking-tight md:text-8xl" x-text="(user?.username || '')"></h1>
+            <h1 class="text-6xl font-bold uppercase leading-[0.88] tracking-tight md:text-8xl" x-text="(user?.username || '')"></h1>
             <!-- VIP 徽标：仅高级用户（图集详情页可见高清原图）显示 -->
             <span x-show="user?.tier === 'vip'" x-cloak class="mb-2 inline-block border border-black bg-black px-2.5 py-1 text-[10px] font-bold uppercase tracking-[0.3em] text-white">{t("vip")}</span>
           </div>
@@ -85,7 +85,7 @@ const browseLabel = t("browse the archive")
           <div x-show="tab==='saved'" x-cloak>
 
             <div class="mb-10 flex flex-wrap items-end justify-between gap-x-8 gap-y-4">
-              <h2 class="text-4xl font-black uppercase leading-none tracking-tight md:text-6xl">{savedLooksLabel}</h2>
+              <h2 class="text-4xl font-bold uppercase leading-none tracking-tight md:text-6xl">{savedLooksLabel}</h2>
               <p class="pb-1 text-[11px] uppercase tracking-[0.22em] text-[var(--c-gray-600)]"><span class="font-bold text-black" x-text="favoritesCount"></span> {itemsLabel}</p>
             </div>
 
@@ -97,7 +97,7 @@ const browseLabel = t("browse the archive")
 
             <!-- 空态 -->
             <div x-show="favorites.length === 0" class="flex flex-col items-center justify-center border-y border-black/10 py-28 text-center">
-              <p class="mb-10 text-3xl font-black uppercase tracking-tight text-black/80 md:text-4xl">{noSavedLabel}</p>
+              <p class="mb-10 text-3xl font-bold uppercase tracking-tight text-black/80 md:text-4xl">{noSavedLabel}</p>
               <a href={archiveUrl} class="inline-flex items-center justify-center border border-black bg-white px-8 py-3.5 text-[11px] font-bold uppercase tracking-[0.2em] text-black transition-colors hover:bg-black hover:text-white">{browseLabel}</a>
             </div>
 
@@ -136,7 +136,7 @@ const browseLabel = t("browse the archive")
           <div x-show="tab==='history'" x-cloak>
 
             <div class="mb-10 flex flex-wrap items-end justify-between gap-x-8 gap-y-4">
-              <h2 class="text-4xl font-black uppercase leading-none tracking-tight md:text-6xl">{historyLabel}</h2>
+              <h2 class="text-4xl font-bold uppercase leading-none tracking-tight md:text-6xl">{historyLabel}</h2>
               <div class="flex items-baseline gap-8 pb-1">
                 <p class="text-[11px] uppercase tracking-[0.22em] text-[var(--c-gray-600)]"><span class="font-bold text-black" x-text="histTotal"></span> {itemsLabel}</p>
                 <button x-show="histTotal > 0" @click="clearAllHistory()" class="text-[11px] uppercase tracking-[0.2em] text-[var(--c-gray-600)] underline-offset-4 transition-colors hover:text-black hover:underline">{clearHistoryLabel}</button>
@@ -145,7 +145,7 @@ const browseLabel = t("browse the archive")
 
             <!-- 空态 -->
             <div x-show="histTotal === 0" class="flex flex-col items-center justify-center border-y border-black/10 py-28 text-center">
-              <p class="mb-10 text-3xl font-black uppercase tracking-tight text-black/80 md:text-4xl">{noHistoryLabel}</p>
+              <p class="mb-10 text-3xl font-bold uppercase tracking-tight text-black/80 md:text-4xl">{noHistoryLabel}</p>
               <a href={archiveUrl} class="inline-flex items-center justify-center border border-black bg-white px-8 py-3.5 text-[11px] font-bold uppercase tracking-[0.2em] text-black transition-colors hover:bg-black hover:text-white">{browseLabel}</a>
             </div>
 
diff --git a/src/components/views/Home.astro b/src/components/views/Home.astro
index c366954..2a982b1 100644
--- a/src/components/views/Home.astro
+++ b/src/components/views/Home.astro
@@ -46,10 +46,10 @@ const streetItems: {
 <div x-data="{ activeTab: 'backstage' }" class="flex flex-col min-h-screen">
 
   <!-- 二级分类标签页 -->
-  <div id="tabbar" class="mt-16 md:mt-24">
-    <ul class="flex items-center gap-6 list-none p-0 m-0 overflow-x-auto">
+  <div id="tabbar" class="mt-20 md:mt-28">
+    <ul class="flex items-center gap-7 md:gap-9 list-none p-0 m-0 overflow-x-auto no-scrollbar">
       <li
-        class="tab text-[42px] font-extrabold cursor-pointer whitespace-nowrap"
+        class="tab text-[clamp(1.875rem,4.6vw,3.25rem)] font-bold tracking-display leading-[0.95] cursor-pointer whitespace-nowrap"
         :class="{ 'is-active': activeTab === 'backstage' }"
         @click="activeTab = 'backstage'"
       >
@@ -57,7 +57,7 @@ const streetItems: {
       </li>
 
       <li
-        class="tab text-[42px] font-extrabold cursor-pointer whitespace-nowrap"
+        class="tab text-[clamp(1.875rem,4.6vw,3.25rem)] font-bold tracking-display leading-[0.95] cursor-pointer whitespace-nowrap"
         :class="{ 'is-active': activeTab === 'street' }"
         @click="activeTab = 'street'"
       >
@@ -65,7 +65,7 @@ const streetItems: {
       </li>
 
       <li
-        class="tab text-[42px] font-extrabold cursor-pointer whitespace-nowrap"
+        class="tab text-[clamp(1.875rem,4.6vw,3.25rem)] font-bold tracking-display leading-[0.95] cursor-pointer whitespace-nowrap"
         :class="{ 'is-active': activeTab === 'events' }"
         @click="activeTab = 'events'"
       >
@@ -75,11 +75,11 @@ const streetItems: {
   </div>
 
   <!-- 中间内容展示区 -->
-  <main class="grow min-h-[400px] mt-10">
+  <main class="grow min-h-[400px] mt-14">
 
     <!-- Runway -->
     <div class="panel" x-show="activeTab === 'backstage'" x-transition.opacity.duration.300ms>
-      <div class="text-2xl font-medium mb-4">
+      <div class="text-[18px] uppercase tracking-label font-semibold mb-6 text-[var(--c-gray-800)]">
         Hot Brand
       </div>
 
@@ -122,7 +122,7 @@ const streetItems: {
                 </div>
               </div>
 
-              <div class="hs-controls flex justify-between items-center text-[13px] font-bold">
+              <div class="hs-controls flex justify-between items-center text-[13px] font-medium">
                 <div
                   class="text-[16px] hs-arrow hs-prev cursor-pointer hover:opacity-60 transition-opacity duration-200"
                   role="button"
@@ -209,14 +209,15 @@ const streetItems: {
 
   /* 标签 */
   .tab {
-    @apply relative pb-[6px] text-[var(--c-gray-600)] transition-colors duration-200 no-underline;
+    @apply relative pb-[6px] text-[var(--c-gray-500)] transition-colors duration-[240ms] no-underline;
   }
   .tab:hover {
     @apply text-[var(--c-gray-800)];
   }
   .tab::after {
     content: "";
-    @apply absolute left-0 right-0 bottom-0 h-[2px] bg-black scale-x-0 origin-left transition-transform duration-[250ms] ease-in-out;
+    @apply absolute left-0 right-0 bottom-0 h-[1px] bg-black scale-x-0 origin-left transition-transform duration-[240ms];
+    transition-timing-function: var(--ease-editorial, ease);
   }
   .tab.is-active {
     @apply text-black;
@@ -367,18 +368,18 @@ const streetItems: {
   .hs-cap-brand {
     @apply font-sans;
     font-size: 21px;
-    font-weight: 700;
+    font-weight: 500;
     text-transform: uppercase;
-    letter-spacing: 0.02em;
+    letter-spacing: 0.06em;
     line-height: 1.1;
     text-shadow: 0 1px 4px rgba(0, 0, 0, 0.55);
   }
   .hs-cap-meta {
     @apply font-sans;
     font-size: 13px;
-    font-weight: 500;
-    opacity: 0.9;
-    letter-spacing: 0.04em;
+    font-weight: 400;
+    opacity: 0.85;
+    letter-spacing: 0.02em;
     line-height: 1.3;
     text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
     max-width: 90%;
@@ -405,8 +406,12 @@ const streetItems: {
     @apply mb-9;
   }
   .ss-grid {
-    @apply grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-[14px] md:gap-[18px];
+    @apply grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-4 md:gap-5;
   }
+  /* 刻意不做逐项入场动画。
+     frontend-design skill 把它列为「AI 生成的识别特征」：
+     每个 section 淡入上滑、每张卡片都错落出现，是通用水印，不承载信息。
+     这里只保留图片加载的 blur/opacity 淡入（那是真实的状态变化）。 */
   .ss-card {
     @apply relative block w-full overflow-hidden bg-[var(--c-gray-100)] no-underline text-inherit;
     aspect-ratio: 3 / 4;
@@ -483,17 +488,17 @@ const streetItems: {
     pointer-events: none;
   }
   .ss-cap-loc {
-    font-size: clamp(18px, 2vw, 26px);
-    font-weight: 700;
+    font-size: clamp(1.125rem, 2vw, 1.625rem);
+    font-weight: 500;
     line-height: 1.1;
     letter-spacing: -0.01em;
     text-shadow: 0 1px 4px rgba(0, 0, 0, 0.55);
   }
   .ss-cap-event {
-    font-size: clamp(10px, 0.8vw, 12px);
-    font-weight: 500;
+    font-size: clamp(0.625rem, 0.8vw, 0.75rem);
+    font-weight: 400;
     text-transform: uppercase;
-    letter-spacing: 0.16em;
+    letter-spacing: 0.18em;
     line-height: 1.4;
     opacity: 0.85;
     text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
diff --git a/src/components/views/Login.astro b/src/components/views/Login.astro
index bcb092f..e06b762 100644
--- a/src/components/views/Login.astro
+++ b/src/components/views/Login.astro
@@ -171,7 +171,7 @@ const sheet = [...new Set([...showCovers, ...snapCovers])].slice(0, 6)
           <!-- 底部刊名（压在图上） -->
           <div class="absolute inset-x-0 bottom-0 p-8 md:p-12">
             <p class="text-[10px] uppercase tracking-[0.4em] text-white/60">{t('archive')}</p>
-            <p class="mt-3 text-5xl font-black uppercase leading-[0.8] tracking-[-0.04em] text-white lg:text-7xl">{SITE_NAME}</p>
+            <p class="mt-3 text-5xl font-bold uppercase leading-[0.8] tracking-[-0.04em] text-white lg:text-7xl">{SITE_NAME}</p>
             <p class="mt-5 text-[10px] uppercase tracking-[0.34em] text-white/50">{t('paris · milan · tokyo')}</p>
           </div>
         </aside>
@@ -184,7 +184,7 @@ const sheet = [...new Set([...showCovers, ...snapCovers])].slice(0, 6)
             <span class="inline-block h-[7px] w-[7px] bg-black"></span>{t('members only')}
           </p>
 
-          <h1 class="rise rise-2 mt-5 text-[clamp(52px,8vw,104px)] font-black uppercase leading-[0.82] tracking-[-0.045em]">
+          <h1 class="rise rise-2 mt-5 text-[clamp(52px,8vw,104px)] font-bold uppercase leading-[0.82] tracking-[-0.045em]">
             {loginLabel}
           </h1>
 
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index c114f0a..1ea43fe 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -62,6 +62,11 @@ const pathWithoutLocale = locales.includes(pathName.split('/')[1])
   ? pathName.replace(`/${locale}`, '')
   : pathName;
 
+// 导航当前项：给对应链接加 aria-current="page"，屏幕阅读器据此播报「当前页面」。
+// 只比较去尾斜杠后的路径，避免 /runway-looks 与 /runway-looks/ 被判成两项。
+const normPath = (p: string) => p.replace(/\/+$/, '') || '/';
+const isCurrent = (target: string) => normPath(pathWithoutLocale) === normPath(target);
+
 // 顶部导航数据模型（替代原 Alpine x-data 的 menu/state）。
 // 下拉菜单与语言列表均由此驱动渲染，逻辑用 Astro 原生 script 控制开合。
 const headers = {
@@ -136,11 +141,18 @@ const headers = {
 		<!-- 加载动画屏：独立组件，标记/样式/隐藏逻辑封装在 LoadingOverlay.astro -->
 		<LoadingOverlay />
 
+		<!-- 键盘用户跳过导航：平时视觉隐藏，Tab 聚焦时出现在左上角。
+		     没有它，键盘用户每进一页都要按十几次 Tab 才能摸到正文。 -->
+		<a
+			href="#main"
+			class="sr-only focus:not-sr-only focus:fixed focus:left-4 focus:top-4 focus:z-[100] focus:bg-black focus:px-4 focus:py-2 focus:text-[12px] focus:uppercase focus:tracking-label focus:text-white"
+		>跳到主内容</a>
+
 		<!-- 顶部主导航栏 -->
-		<nav class="flex justify-between items-center text-[13px] font-bold tracking-[0.5px] uppercase">
+		<nav class="flex justify-between items-center text-[13px] font-semibold tracking-label uppercase">
 			<div class="flex flex-wrap items-center gap-6 md:gap-8">
-				<a href={href(locale, ROUTES.home)} class="relative pb-[2px] cursor-pointer hover:opacity-60 transition-opacity duration-200">{t('Home')}</a>
-				<a href={href(locale, ROUTES.home)} class="relative pb-[2px] cursor-pointer transition-opacity duration-200 flex items-center gap-1.5 hover:opacity-60 opacity-80 border-b-2 border-transparent">
+				<a href={href(locale, ROUTES.home)} class="nav-link cursor-pointer" aria-current={isCurrent(ROUTES.home) ? 'page' : undefined}>{t('Home')}</a>
+				<a href={href(locale, ROUTES.home)} class="nav-link cursor-pointer flex items-center gap-1.5 opacity-70">
           {t('Portfolio')}
           <span class="text-[10px] bg-black text-white px-1.5 py-0.5 rounded-full tracking-tight leading-none">
             2026
@@ -149,7 +161,7 @@ const headers = {
 			<!-- 全部的 runway：菜单项用 Astro 渲染（headers.runways.map），开合逻辑用 Alpine.js -->
 			<div class="relative" x-data="{ open: false }" @mouseenter="open = true" @mouseleave="open = false">
 				<div class="flex items-center gap-1">
-					<a href={href(locale, ROUTES.runwayLooks)} class="relative pb-[2px] cursor-pointer hover:opacity-60 transition-opacity duration-200">{t('all runway looks')}</a>
+					<a href={href(locale, ROUTES.runwayLooks)} class="nav-link cursor-pointer" aria-current={isCurrent(ROUTES.runwayLooks) ? 'page' : undefined}>{t('all runway looks')}</a>
 					<button type="button" @click="open = !open" @click.outside="open = false" @keydown.escape.window="open = false" class="pb-[2px] hover:opacity-60 transition-opacity duration-200 flex items-center" aria-label="展开 runway 列表" aria-haspopup="true" :aria-expanded="open">
 						<svg class="w-2.5 h-2.5 transition-transform duration-200" :class="open ? 'rotate-180' : ''" viewBox="0 0 10 6" fill="none"><path d="M1 1l4 4 4-4" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/></svg>
 					</button>
@@ -167,7 +179,7 @@ const headers = {
 				<!-- 街拍：菜单项用 Astro 渲染（headers.streets.map），开合逻辑用 Alpine.js -->
 			<div class="relative" x-data="{ open: false }" @mouseenter="open = true" @mouseleave="open = false">
 				<div class="flex items-center gap-1">
-					<a href={href(locale, ROUTES.streetSnaps)} class="relative pb-[2px] cursor-pointer hover:opacity-60 transition-opacity duration-200">{t('Street Style')}</a>
+					<a href={href(locale, ROUTES.streetSnaps)} class="nav-link cursor-pointer" aria-current={isCurrent(ROUTES.streetSnaps) ? 'page' : undefined}>{t('Street Style')}</a>
 					<button type="button" @click="open = !open" @click.outside="open = false" @keydown.escape.window="open = false" class="pb-[2px] hover:opacity-60 transition-opacity duration-200 flex items-center" aria-label="展开 street style 列表" aria-haspopup="true" :aria-expanded="open">
 						<svg viewBox="0 0 12 12" width="10" height="10"><path d="M2.5 4.5l3.5 3 3.5-3" stroke="currentColor" fill="none" stroke-width="1.4" stroke-linecap="round" stroke-linejoin="round"/></svg>
 					</button>
@@ -207,7 +219,7 @@ const headers = {
 						@click={`open = false; pick('${l.code}')`}
 								class:list={[
 									'block px-4 py-1.5 text-[13px] uppercase tracking-[0.5px] hover:bg-black/5 transition-colors',
-									l.code === locale ? 'font-bold' : 'opacity-60',
+									l.code === locale ? 'font-medium' : 'opacity-60',
 								]}
 							>{l.label}</a>
 						</li>
@@ -218,7 +230,7 @@ const headers = {
 			<!-- 未登录：Login 链接（Alpine 登录后置为隐藏）。
 			     login-redirect：交给 AuthModal 的全局门禁捕获，带上「当前页」跳登录页，
 			     登录成功后回到原页，而不是一律落到个人中心（无 JS 时回落 href 到 /login）。 -->
-			<a x-show="!user" x-cloak login-redirect href={href(locale, ROUTES.login)} class="hover:opacity-60 transition-opacity duration-200 uppercase tracking-[0.5px] text-[13px]">{t('Login')}</a>
+			<a x-show="!user" x-cloak login-redirect href={href(locale, ROUTES.login)} class="nav-link uppercase tracking-label text-[13px]">{t('Login')}</a>
 
 			<!-- 已登录：账号下拉（hover 展开，与语言切换器同款交互） -->
 			<div x-show="user" x-cloak class="relative" @mouseenter="open = true" @mouseleave="open = false">
@@ -242,7 +254,22 @@ const headers = {
 		</div>
 		</nav>
 
-		<div class="flex-1 flex flex-col">
+		<!-- 公告条：放在导航之下，作为头部的收边。
+		     纯 CSS 循环（内容重复两遍，轨道左移 50% 即为一个周期），零 JS。 -->
+		<div class="marquee -mx-5 md:-mx-[50px] mt-6 border-b border-black/10 py-2 text-[11px] uppercase tracking-wide text-[var(--c-gray-800)]">
+			<div class="marquee__track">
+				{Array.from({ length: 2 }).map(() => (
+					<Fragment>
+						<span>✦ 2026 秋冬时装周档案</span>
+						<span>✦ Runway · Street · Archive</span>
+						<span>✦ 全球品牌持续收录</span>
+						<span>✦ New Season</span>
+					</Fragment>
+				))}
+			</div>
+		</div>
+
+		<div id="main" tabindex="-1" class="flex-1 flex flex-col">
 			<slot />
 		</div>
 
@@ -349,21 +376,21 @@ const headers = {
 
           {/* 品牌 */}
           <div class="md:col-span-6">
-            <p class="text-[10px] uppercase tracking-[0.34em] text-white/35">{t('Archive')}</p>
-            <p class="mt-5 text-5xl font-black uppercase leading-[0.85] tracking-tight md:text-7xl">
+            <p class="text-[10px] uppercase tracking-wide text-white/35">{t('Archive')}</p>
+            <p class="mt-5 text-5xl font-bold uppercase leading-[0.85] tracking-display md:text-7xl">
               {SITE_NAME}
             </p>
             <p class="mt-7 max-w-md text-sm leading-relaxed text-white/45">
               {t('Minimalist editorial portfolio documenting haute couture shows, backstage fittings, and street culture. Integrated with 2026 color forecast intelligence and AI palette generator.')}
             </p>
-            <div class="mt-8 flex flex-wrap items-center gap-x-3 gap-y-2 text-[10px] uppercase tracking-[0.3em] text-white/30">
+            <div class="mt-8 flex flex-wrap items-center gap-x-3 gap-y-2 text-[10px] uppercase tracking-wide text-white/30">
               <span>Paris</span><span>·</span><span>Milan</span><span>·</span><span>Tokyo</span><span>·</span><span>New York</span>
             </div>
           </div>
 
           {/* 导航 */}
           <div class="md:col-span-3 md:col-start-8">
-            <h3 class="text-[10px] uppercase tracking-[0.3em] text-white/35">{t('Explore')}</h3>
+            <h3 class="text-[10px] uppercase tracking-wide text-white/35">{t('Explore')}</h3>
             <ul class="mt-5 space-y-3 text-[11px] uppercase tracking-[0.18em]">
               <li><a href={href(locale, ROUTES.runwayLooks)} class="text-white/65 transition-colors hover:text-white">{t('all runway looks')}</a></li>
               <li><a href={href(locale, ROUTES.streetSnaps)} class="text-white/65 transition-colors hover:text-white">{t('Street Style')}</a></li>
@@ -373,7 +400,7 @@ const headers = {
 
           {/* 站点操作（全部是真实可用的入口，不留死链） */}
           <div class="md:col-span-3">
-            <h3 class="text-[10px] uppercase tracking-[0.3em] text-white/35">{t('Site')}</h3>
+            <h3 class="text-[10px] uppercase tracking-wide text-white/35">{t('Site')}</h3>
             <ul class="mt-5 space-y-3 text-[11px] uppercase tracking-[0.18em]">
               <li>
                 <a href={href(locale === 'cn' ? 'en' : 'cn', ROUTES.home)} class="text-white/65 transition-colors hover:text-white">
@@ -394,9 +421,9 @@ const headers = {
         </div>
 
         {/* 底部条 */}
-        <div class="mt-14 flex flex-col gap-4 border-t border-white/10 pt-6 text-[10px] uppercase tracking-[0.26em] text-white/35 sm:flex-row sm:items-center sm:justify-between">
+        <div class="mt-14 flex flex-col gap-4 border-t border-white/10 pt-6 text-[10px] uppercase tracking-label text-white/35 sm:flex-row sm:items-center sm:justify-between">
           <p>© 2026 {SITE_NAME}. {t('all rights reserved.')}</p>
-          <p class="tracking-[0.3em]">{t('Runway · Street · Archive')}</p>
+          <p class="tracking-wide">{t('Runway · Street · Archive')}</p>
         </div>
       </div>
 		</footer>
diff --git a/src/pages/404.astro b/src/pages/404.astro
index 92814be..a1df685 100644
--- a/src/pages/404.astro
+++ b/src/pages/404.astro
@@ -10,7 +10,7 @@ Astro.response.status = 404
 
 <Layout title={t('Page not found')}>
   <div class="flex flex-1 flex-col items-center justify-center min-h-[50vh] text-center gap-6">
-    <h1 class="text-6xl font-black tracking-tight">404</h1>
+    <h1 class="text-6xl font-medium tracking-tight">404</h1>
     <p class="text-sm text-[var(--c-gray-700)] uppercase tracking-[0.2em]">{t('Page not found')}</p>
     <a
       href={href(locale, ROUTES.home)}
diff --git a/src/styles/global.css b/src/styles/global.css
index a11d835..3e3b0c3 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -1,6 +1,57 @@
 @import "tailwindcss";
 
-/* 中性灰阶令牌：统一全站散落的 #f1f1f1/#efefef/#e6e6e6/#ccc/#bdbdbd/#999/#888/#666 等 */
+/* ============================================================
+   设计令牌（Tailwind v4 @theme）
+
+   参考规律（NABOUN 实站抓取 + ui-ux-pro-max 方法论）：
+   1. 字重只用 400 / 500，高级感来自字距与留白，不来自粗体
+   2. 全大写 + 0.12em 字距 + 11~13px 是标签的统一签名
+   3. 1px 发丝线分块，不用色块；全站只保留黑白灰三层明度
+   4. 图片统一竖版，卡片无圆角无遮罩
+
+   约束：不加载任何 webfont（体积与首屏优先），层级靠字重 + 字距 + 尺度建立。
+   ============================================================ */
+@theme {
+  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
+    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
+    "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
+
+  /* 字距：全站只允许这四档。
+     历史上散落的 0.5px / 0.04em / 0.14em / 0.22em / 0.26em 全部收敛到这里。 */
+  --tracking-display: -0.03em;
+  --tracking-label: 0.12em;
+  --tracking-wide: 0.18em;
+  --tracking-meta: 0.02em;
+
+  /* 动效：统一缓动 + 三档时长，替代 150/200/250/300/400/450ms 混用。
+     0.22,1,0.36,1 是「快出慢停」曲线，进入视口时更稳，不弹。 */
+  --ease-editorial: cubic-bezier(0.22, 1, 0.36, 1);
+
+  /* 字号阶梯：全部用 rem，而不是 px。
+     默认根字号 16px 下数值与原来的 px 完全等价，视觉零变化；
+     但用户把浏览器「字体大小」调大时，rem 会跟着放大，px 不会（Vercel #1.3）。
+     括号里是 16px 基准下的等价像素。 */
+  --text-micro: 0.625rem;      /* 10px */
+  --text-micro--line-height: 1.4;
+  --text-label: 0.6875rem;     /* 11px */
+  --text-label--line-height: 1.2;
+  --text-meta: 0.8125rem;      /* 13px */
+  --text-meta--line-height: 1.55;
+  --text-body: 0.9375rem;      /* 15px */
+  --text-body--line-height: 1.75;
+  --text-lead: 1.0625rem;      /* 17px */
+  --text-lead--line-height: 1.55;
+  --text-h3: 1.375rem;         /* 22px */
+  --text-h3--line-height: 1.25;
+  --text-h2: clamp(1.625rem, 3vw, 2.125rem);      /* 26 → 34px */
+  --text-h2--line-height: 1.15;
+  --text-h1: clamp(2.125rem, 5.5vw, 4rem);        /* 34 → 64px */
+  --text-h1--line-height: 0.95;
+  --text-display: clamp(2.625rem, 7vw, 5.25rem);  /* 42 → 84px */
+  --text-display--line-height: 0.92;
+}
+
+/* 中性灰阶 + 发丝线令牌：统一全站散落的 #f1f1f1/#efefef/#e6e6e6/#ccc/#bdbdbd/#999/#888/#666 等 */
 :root {
   --c-gray-50:  #f6f6f6;
   --c-gray-100: #f1f1f1;
@@ -11,6 +62,20 @@
   --c-gray-600: #999;
   --c-gray-700: #888;
   --c-gray-800: #666;
+
+  /* 发丝线：现代极简电商的主要分隔手段。1px + 12% 黑，比纯黑细框更透气。 */
+  --line: rgba(0, 0, 0, 0.12);
+  --line-strong: rgba(0, 0, 0, 0.24);
+}
+
+/* 英文站字距单独收紧一档。
+   原因：英文标签是全大写 + 宽字距，大写字母本身等高、无升降部，
+   加上 0.12em 字间空隙，整行密度明显低于中文，视觉上会「变轻」。
+   收窄到 0.09em 让单词重新聚拢，重量感就回来了。
+   中文站保持原值（方块字之间需要更多呼吸，收太紧会糊）。 */
+html[lang="en"] {
+  --tracking-label: 0.09em;
+  --tracking-wide: 0.14em;
 }
 
 [x-cloak] { display: none !important; }
@@ -49,4 +114,109 @@ select:focus-visible,
   outline-offset: 2px;
 }
 
+/* ============================================================
+   全局排版细节
+   ============================================================ */
 
+/* 数字等宽：页码 / 年份 / 计数在内容切换时不会左右跳动 */
+body {
+  font-variant-numeric: tabular-nums;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+
+  /* 翻页 / 筛选导致内容高度变化时，避免滚动条出现消失引起的整页横向抖动。
+     来自 Vercel web-design-guidelines #3.6 */
+  scrollbar-gutter: stable;
+}
+
+/* 长标题折行更均衡，避免最后一行只剩一个词（#1.5）。
+   目前只作用于大标题，正文不设，避免影响折行节奏。 */
+h1,
+.display-title {
+  text-wrap: balance;
+}
+
+::selection {
+  background: #111;
+  color: #fff;
+}
+
+/* 导航链接：hover 时 1px 黑线从左滑入。
+   比原来的整体 opacity 变化更克制，也更像编辑类网站的处理。 */
+.nav-link {
+  position: relative;
+}
+.nav-link::after {
+  content: "";
+  position: absolute;
+  left: 0;
+  right: 0;
+  bottom: -3px;
+  height: 1px;
+  background: currentColor;
+  transform: scaleX(0);
+  transform-origin: left center;
+  transition: transform 240ms var(--ease-editorial, ease);
+}
+.nav-link:hover::after {
+  transform: scaleX(1);
+}
+
+/* 触屏（粗指针）上把点击热区撑到 ≥44px 高，但不动布局。
+   13px 的导航文字在手机上可点区域只有 ~16px 高，拇指很容易点空（Vercel #3.3）。
+   用伪元素扩展命中区，而不是加 padding —— 加 padding 会把下划线一起推下去。 */
+@media (pointer: coarse) {
+  .nav-link::before {
+    content: "";
+    position: absolute;
+    inset: -0.75rem -0.5rem;
+  }
+}
+
+/* ============================================================
+   顶部公告条（marquee）
+   NABOUN 式的循环滚动条：零 JS、纯 CSS、无缝衔接。
+   用法：内容在容器里重复两遍，轨道整体左移 50% 即为一个周期。
+   ============================================================ */
+.marquee {
+  overflow: hidden;
+  white-space: nowrap;
+}
+.marquee__track {
+  display: inline-flex;
+  align-items: center;
+  gap: 2.5rem;
+  padding-left: 2.5rem;
+  animation: marquee-scroll 32s linear infinite;
+  will-change: transform;
+}
+.marquee:hover .marquee__track {
+  animation-play-state: paused;
+}
+@keyframes marquee-scroll {
+  from { transform: translateX(0); }
+  to   { transform: translateX(-50%); }
+}
+
+/* 列表入场：逐项错落 40ms，避免整屏同时出现造成的「跳一下」 */
+@keyframes rise-in {
+  from {
+    opacity: 0;
+    transform: translateY(8px);
+  }
+  to {
+    opacity: 1;
+    transform: none;
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  *,
+  *::before,
+  *::after {
+    animation-duration: 0.01ms !important;
+    animation-iteration-count: 1 !important;
+    transition-duration: 0.01ms !important;
+    scroll-behavior: auto !important;
+  }
+}
diff --git a/src/styles/look-grid.css b/src/styles/look-grid.css
index f7f4540..809de4c 100644
--- a/src/styles/look-grid.css
+++ b/src/styles/look-grid.css
@@ -23,10 +23,12 @@
   @apply flex justify-between items-end gap-6 py-5 pb-[22px];
 }
 .showsh1 {
-  @apply text-[clamp(40px,6vw,72px)] leading-[0.9] font-black tracking-[-0.02em] my-0 mb-[10px];
+  @apply text-[clamp(2.5rem,6vw,4.5rem)] leading-[0.9] font-bold my-0 mb-[10px];
+  letter-spacing: var(--tracking-display, -0.03em);
 }
 .snapsh1 {
-  @apply text-[clamp(34px,5.5vw,64px)] leading-[0.95] font-black tracking-[-0.02em] my-0 mb-[8px];
+  @apply text-[clamp(2.125rem,5.5vw,4rem)] leading-[0.95] font-bold my-0 mb-[8px];
+  letter-spacing: var(--tracking-display, -0.03em);
 }
 
 /* 已激活筛选 pills */
@@ -34,7 +36,8 @@
 .snapspills { @apply flex flex-wrap gap-2 mt-4; }
 .showspill,
 .snapspill {
-  @apply inline-flex items-center gap-2 border-[1.5px] border-black p-[6px_10px] text-[10.5px] uppercase tracking-[0.14em] text-black bg-white;
+  @apply inline-flex items-center gap-2 border border-black p-[6px_10px] text-[10px] uppercase text-black bg-white;
+  letter-spacing: var(--tracking-label, 0.12em);
 }
 .showspill .x,
 .snapspill .x {
@@ -56,11 +59,14 @@
 }
 .showsaside-head,
 .snapsaside-head {
-  @apply flex items-center justify-between p-[14px_14px_12px] border-b border-black shrink-0;
+  @apply flex items-center justify-between p-[14px_14px_12px] border-b border-black/15 shrink-0;
 }
 .showsaside-h,
 .snapsaside-h {
-  @apply text-[11px] tracking-[0.26em] uppercase font-bold m-0 leading-none transition-opacity duration-200;
+  @apply text-[11px] uppercase font-medium m-0 leading-none transition-opacity duration-[240ms];
+  /* 不用 @apply tracking-*：本文件 @reference 的是 tailwind 默认主题，
+     取不到 global.css 里 @theme 定义的值，只能走运行时 CSS 变量。 */
+  letter-spacing: var(--tracking-wide, 0.18em);
 }
 .showsaside-body,
 .snapsaside-body {
@@ -74,7 +80,8 @@
 }
 .showsg-h,
 .snapsg-h {
-  @apply flex justify-between items-center text-[11px] tracking-[0.22em] uppercase font-bold text-black mb-2 cursor-pointer select-none;
+  @apply flex justify-between items-center text-[11px] uppercase font-medium text-black mb-2 cursor-pointer select-none;
+  letter-spacing: var(--tracking-wide, 0.18em);
 }
 .showsg-right {
   @apply inline-flex items-center gap-2.5;
@@ -113,7 +120,8 @@
 .snapschecks--flat li label { @apply inline-flex items-center gap-2 cursor-pointer w-full; }
 
 .showsmore {
-  @apply block w-full mt-[12px] text-center text-[11px] uppercase tracking-[0.22em] text-black font-bold cursor-pointer;
+  @apply block w-full mt-[12px] text-center text-[11px] uppercase text-black font-medium cursor-pointer;
+  letter-spacing: var(--tracking-wide, 0.18em);
 }
 .showsclear,
 .snapsclear {
@@ -126,7 +134,7 @@
 
 .showsgrid,
 .snapsgrid {
-  @apply grid grid-cols-2 gap-[22px] relative max-sm:grid-cols-1;
+  @apply grid grid-cols-2 gap-6 relative max-sm:grid-cols-1;
 }
 .showsgrid.is-loading::before,
 .snapsgrid.is-loading::before {
@@ -137,7 +145,17 @@
 
 .showscard,
 .snapscard {
-  @apply relative flex gap-[14px] no-underline text-inherit bg-white p-3 transition-colors duration-200 hover:border-black max-md:flex-col max-md:gap-[10px];
+  @apply relative flex gap-[14px] no-underline text-inherit bg-white p-3 border border-transparent transition-[color,background-color,border-color,transform] duration-[240ms] hover:border-black/20 max-md:flex-col max-md:gap-[10px];
+  transition-timing-function: var(--ease-editorial, ease);
+}
+/* hover 时整体上浮 2px：比单纯变色更能表达「可点」，且不触发重排。
+   必须包在 (hover: hover) 里：触屏浏览器会「粘滞 hover」，
+   手指离开后卡片停在上浮状态，看起来像坏了。 */
+@media (hover: hover) {
+  .showscard:hover,
+  .snapscard:hover {
+    @apply -translate-y-[2px];
+  }
 }
 .showscard:hover .showscard-img img,
 .snapscard:hover .snapscard-img img { @apply scale-[1.04]; }
@@ -176,11 +194,13 @@
 }
 .showscard-title,
 .snapscard-title {
-  @apply text-[15.5px] font-bold leading-[1.32] my-0 mb-[10px] text-[#111] tracking-[-0.01em] line-clamp-2 h-[41px] overflow-hidden;
+  @apply text-[16px] font-bold leading-[1.32] my-0 mb-[10px] text-[#111] line-clamp-2 h-[42px] overflow-hidden;
+  letter-spacing: var(--tracking-display, -0.03em);
 }
 .showscard-meta,
 .snapscard-meta {
-  @apply text-[9.5px] text-[var(--c-gray-700)] my-0 mb-[14px] leading-[1.55] tracking-[0.04em] uppercase line-clamp-2 h-[29px] overflow-hidden;
+  @apply text-[10px] text-[var(--c-gray-700)] my-0 mb-[14px] leading-[1.55] uppercase line-clamp-2 h-[31px] overflow-hidden;
+  letter-spacing: var(--tracking-meta, 0.02em);
 }
 
 .showscard-strip,
@@ -200,7 +220,8 @@
 .showscard-thumb.placeholder,
 .snapscard-thumb.placeholder { @apply bg-[var(--c-gray-50)]; }
 .showscard-thumb-more {
-  @apply absolute inset-0 bg-black/55 text-white text-[11px] font-bold tracking-[0.04em] flex items-center justify-center;
+  @apply absolute inset-0 bg-black/55 text-white text-[11px] font-medium flex items-center justify-center;
+  letter-spacing: var(--tracking-meta, 0.02em);
 }
 
 /* 骨架屏 */
@@ -218,7 +239,10 @@
 .showspager,
 .snapspager { @apply flex flex-wrap items-center justify-center gap-2 mt-[38px]; }
 .pg {
-  @apply min-w-[40px] h-[40px] px-3 border-[1.5px] border-black bg-white text-black text-[11px] uppercase tracking-[0.12em] font-bold cursor-pointer rounded-none transition-colors duration-200;
+  /* 边框不透明度提到 50%：UI 组件的边界对比度需 ≥3:1（WCAG 2.2 / Vercel #2.3），
+     black/25 只有约 1.8:1，弱视用户几乎看不见分页框。 */
+  @apply min-w-[40px] h-[40px] px-3 border border-black/50 bg-white text-black text-[11px] uppercase font-medium cursor-pointer rounded-none transition-colors duration-[240ms];
+  letter-spacing: var(--tracking-label, 0.12em);
 }
 .pg.is-current { @apply bg-black text-white cursor-default; }
 .pg:disabled { @apply opacity-30 cursor-default; }