diff --git a/website/public/fonts/bubbledot.woff2 b/website/public/fonts/bubbledot.woff2
new file mode 100644
index 0000000..c400e34
Binary files /dev/null and b/website/public/fonts/bubbledot.woff2 differ
diff --git a/website/src/components/organisms/index.jsx b/website/src/components/organisms/index.jsx
index 7d7a19e..cf87134 100644
--- a/website/src/components/organisms/index.jsx
+++ b/website/src/components/organisms/index.jsx
@@ -1,6 +1,5 @@
 import React from 'react';
 import { Logo } from '../atoms';
-import { NavPill } from '../molecules';
 import { NAV, PINE_NAV } from '../../data/site';
 import { logout, getUser } from '../../services/auth';
 import { getTheme, toggleTheme } from '../../services/theme';
@@ -28,25 +27,31 @@ export function Header({ active }) {
   return (
     <>
       <header className="site-header">
-        <div className="header-inner">
+        <div className="header-pill">
           <Logo />
-          <NavPill active={active} nav={nav} />
-          {pine ? (
-            <button className="btn-sign" onClick={doLogout}>退出</button>
-          ) : (
-            <>
-              {user && <a className="user-nick" href="#/profile" title={user.username}>{user.name}</a>}
-              <a className="btn-sign" href="#/profile">个人中心</a>
-            </>
-          )}
-          <button
-            className="theme-toggle"
-            aria-label={dark ? '切换为浅色' : '切换为深色'}
-            onClick={onToggleTheme}
-            title={dark ? '浅色' : '深色'}
-          >
-            {dark ? '☀' : '☾'}
-          </button>
+          <nav className="header-nav" aria-label="主导航">
+            {nav.map((n) => (
+              <a key={n.path} className={`nav-link${active === n.path ? ' active' : ''}`} href={`#/${n.path}`}>{n.label}</a>
+            ))}
+          </nav>
+          <div className="header-actions">
+            {pine ? (
+              <button className="btn-sign" onClick={doLogout}>退出</button>
+            ) : (
+              <>
+                {user && <a className="user-nick" href="#/profile" title={user.username}>{user.name}</a>}
+                <a className="btn-sign" href="#/profile">个人中心</a>
+              </>
+            )}
+            <button
+              className="theme-toggle"
+              aria-label={dark ? '切换为浅色' : '切换为深色'}
+              onClick={onToggleTheme}
+              title={dark ? '浅色' : '深色'}
+            >
+              {dark ? '☀' : '☾'}
+            </button>
+          </div>
           <button
             className={`burger${open ? ' open' : ''}`}
             aria-label={open ? '关闭菜单' : '打开菜单'}
diff --git a/website/src/styles/global.css b/website/src/styles/global.css
index 1e6b840..9aed354 100644
--- a/website/src/styles/global.css
+++ b/website/src/styles/global.css
@@ -236,38 +236,62 @@ input[type="range"] { accent-color: var(--primary); }
 .check-grid label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-soft); cursor: pointer; }
 .check-grid input { width: 16px; height: 16px; accent-color: var(--primary); }
 
-/* ---------- 组织：Header / MobileMenu / Hero / Stats / Footer ---------- */
+/* ---------- 组织：Header（portrait 浮动玻璃胶囊） ---------- */
 .site-header {
   position: sticky; top: 0; z-index: 20;
   width: 100%; display: flex; justify-content: center;
-  padding: clamp(12px, 2vh, 20px) 0 clamp(10px, 1.6vh, 16px);
-  background: var(--glass-bg);
-  backdrop-filter: blur(14px) saturate(140%);
-  -webkit-backdrop-filter: blur(14px) saturate(140%);
+  padding: clamp(14px, 2.4vh, 24px) clamp(12px, 2vw, 20px) 0;
+  background: transparent;
 }
-.header-inner {
+.header-pill {
   display: flex; align-items: center; justify-content: space-between;
-  width: 100%; max-width: 1000px;
-  gap: clamp(18px, 2.8vw, 28px);
+  width: 100%; max-width: 1180px;
+  gap: clamp(12px, 2vw, 20px);
+  padding: 9px 10px 9px 18px;
+  border-radius: var(--radius-3xl);
+  background: var(--glass-bg);
+  backdrop-filter: blur(18px) saturate(160%);
+  -webkit-backdrop-filter: blur(18px) saturate(160%);
+  box-shadow: var(--glass-shadow), 0 0 0 1px var(--glass-ring);
   animation: slideDown 0.7s var(--ease) both;
 }
 .logo {
   flex: 0 0 auto;
-  width: clamp(40px, 4.4vw, 46px); height: clamp(40px, 4.4vw, 46px);
-  border-radius: 50%; background: var(--surface);
-  box-shadow: var(--shadow-sm-border);
+  width: clamp(38px, 4.2vw, 44px); height: clamp(38px, 4.2vw, 44px);
+  border-radius: 999px; background: var(--heading);
   display: grid; place-items: center;
   transition: transform 0.25s var(--ease);
 }
-.logo:hover { transform: scale(1.04); }
-.logo img { width: 72%; height: 72%; object-fit: contain; }
-.logo span { font-family: var(--font-display); font-weight: 700; color: var(--heading); font-size: 18px; }
+.logo:hover { transform: scale(1.05); }
+.logo img { width: 66%; height: 66%; object-fit: contain; }
+.logo span { font-family: var(--font-pixel); font-weight: 700; color: #fff; font-size: 16px; }
+.header-nav {
+  display: flex; align-items: center; gap: 2px;
+  flex: 1; justify-content: center;
+}
+.nav-link {
+  position: relative;
+  font-weight: 500; font-size: clamp(13px, 1.3vw, 15px);
+  letter-spacing: -0.01em; color: var(--heading);
+  padding: 8px 14px; border-radius: 999px;
+  opacity: 0.6; transition: opacity 0.2s ease, background 0.2s ease;
+  white-space: nowrap;
+}
+.nav-link:hover { opacity: 1; background: var(--panel-2); }
+.nav-link.active { opacity: 1; }
+.nav-link.active::after {
+  content: ""; position: absolute; left: 50%; bottom: 4px;
+  transform: translateX(-50%);
+  width: 3px; height: 3px; border-radius: 50%; background: var(--heading);
+  box-shadow: -5px 0 0 var(--heading), 5px 0 0 var(--heading);
+}
+.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; }
 .btn-sign {
   flex: 0 0 auto;
-  height: clamp(40px, 5.2vw, 46px);
-  padding: 0 20px; border-radius: 999px; border: none;
+  height: clamp(38px, 4.8vw, 44px);
+  padding: 0 18px; border-radius: 999px; border: none;
   background: #2c2c2c; color: #fff;
-  font-weight: 500; font-size: clamp(13px, 1.4vw, 15px);
+  font-weight: 500; font-size: clamp(13px, 1.3vw, 15px);
   box-shadow: var(--shadow-sm);
   display: inline-flex; align-items: center; gap: 8px;
   transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
@@ -277,26 +301,25 @@ input[type="range"] { accent-color: var(--primary); }
 [data-theme="dark"] .btn-sign:hover { background: rgba(255,255,255,0.22); }
 .theme-toggle {
   flex: 0 0 auto;
-  width: clamp(40px, 5.2vw, 44px); height: clamp(40px, 5.2vw, 44px);
+  width: clamp(36px, 4.6vw, 42px); height: clamp(36px, 4.6vw, 42px);
   border-radius: 50%; border: 1px solid var(--glass-ring);
-  background: var(--surface); color: var(--heading);
+  background: var(--panel); color: var(--heading);
   display: inline-flex; align-items: center; justify-content: center;
-  font-size: 18px; box-shadow: var(--shadow-xs);
+  font-size: 17px;
   transition: transform 0.2s var(--ease), background 0.2s ease;
 }
 .theme-toggle:hover { transform: translateY(-1px); background: var(--panel-2); }
 .user-nick {
   flex: 0 0 auto;
   font-family: var(--font-display);
-  font-size: clamp(15px, 1.8vw, 18px);
-  letter-spacing: 0.04em;
+  font-size: clamp(14px, 1.6vw, 17px);
+  letter-spacing: 0.02em;
   color: var(--heading);
   border: 1px solid var(--glass-ring);
   border-radius: 999px;
-  padding: 8px 18px;
-  background: var(--surface);
+  padding: 7px 16px;
+  background: var(--panel);
   white-space: nowrap;
-  box-shadow: var(--shadow-xs);
 }
 .burger { display: none; }
 
@@ -470,8 +493,8 @@ input[type="range"] { accent-color: var(--primary); }
   .grid-c3, .grid-c4 { grid-template-columns: repeat(2, 1fr); }
 }
 @media (max-width: 720px) {
-  .nav-pill, .btn-sign, .user-nick, .theme-toggle { display: none; }
-  .header-inner { max-width: 100%; }
+  .header-nav, .btn-sign, .user-nick { display: none; }
+  .header-pill { max-width: 100%; }
   .burger {
     display: block;
     width: 48px; height: 48px; border-radius: 50%;
diff --git a/website/src/styles/home.css b/website/src/styles/home.css
index 6444e08..d39b7c2 100644
--- a/website/src/styles/home.css
+++ b/website/src/styles/home.css
@@ -22,10 +22,10 @@
   font-size: 12.5px; letter-spacing: .02em; margin-bottom: 24px;
 }
 .mk-display {
-  font-family: var(--font-sans);
+  font-family: var(--font-pixel);
   color: var(--heading);
-  font-size: clamp(40px, 8vw, 104px);
-  line-height: 1.02; letter-spacing: -.05em; font-weight: 500;
+  font-size: clamp(30px, 6.4vw, 74px);
+  line-height: 1.06; letter-spacing: 0; font-weight: 400;
   max-width: 1080px;
 }
 .mk-display span { display: block; }
diff --git a/website/src/styles/tokens.css b/website/src/styles/tokens.css
index 0f35a27..96343aa 100644
--- a/website/src/styles/tokens.css
+++ b/website/src/styles/tokens.css
@@ -17,6 +17,8 @@
 @font-face { font-family: "JetBrainsMono"; src: url("/fonts/aa4388db5528a0d5-s.woff2") format("woff2"); font-display: swap; font-weight: 100 900; font-style: normal; }
 @font-face { font-family: "JetBrainsMono"; src: url("/fonts/7a463bbf4bbf834c-s.woff2") format("woff2"); font-display: swap; font-weight: 100 900; font-style: italic; }
 @font-face { font-family: "Junicode"; src: url("/fonts/ef15920566b1745f-s.woff2") format("woff2"); font-display: swap; font-weight: 300 700; font-style: italic; }
+/* 品牌像素字体（自托管，用于品牌大标题，做彩虹渐变字） */
+@font-face { font-family: "BubbledotICG-FinePos"; src: url("/fonts/bubbledot.woff2") format("woff2"); font-display: swap; font-weight: 400; font-style: normal; }
 
 /* ---------- 明暗主题（default = 浅色） ---------- */
 :root {
@@ -77,6 +79,7 @@
   /* 字体族 */
   --font-sans: "Switzer", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
   --font-display: "BasierCircle", "Switzer", ui-sans-serif, system-ui, sans-serif;
+  --font-pixel: "BubbledotICG-FinePos", "Switzer", monospace;
   --font-mono: "JetBrainsMono", ui-monospace, "SF Mono", monospace;
   --font-rounded: "OpenRunde", "Switzer", sans-serif;
   --font-serif-italic: "Junicode", Georgia, serif;