/* ================================================================
   Miku Theme v3.0 — 初音未来主题全局样式
   纯原生 CSS · 零框架依赖 · 完整初音视觉系统
   120BPM 音乐节奏动效 · 亮/暗双模式 · 全响应式
   ================================================================ */

/* ===== 字体引入（通过 HTML <link> 异步加载，见各页面 <head>） ===== */

/* ================================================================
   1. CSS 变量 — 设计 Token 全集
   ================================================================ */
:root {
  /* --- 核心品牌色 --- */
  --miku-primary: #39C5BB;
  --miku-primary-rgb: 57, 197, 187;
  --miku-hover: #26A69A;
  --miku-ice: #8EE5EE;
  --miku-ice-rgb: 142, 229, 238;
  --miku-sakura: #FFB6C1;
  --miku-sakura-rgb: 255, 182, 193;
  --miku-purple: #9370DB;

  /* --- 亮模式背景 --- */
  --bg-primary: #F8FCFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAFDFE;
  --bg-nav: rgba(255, 255, 255, 0.82);
  --bg-nav-scrolled: rgba(255, 255, 255, 0.94);
  --bg-overlay: rgba(248, 252, 255, 0.72);
  --bg-input: #F1F5F9;

  /* --- 亮模式文字 --- */
  --text-heading: #0F172A;
  --text-body: #334155;
  --text-sub: #64748B;
  --text-muted: #94A3B8;

  /* --- 玻璃拟态 --- */
  --glass-blur: blur(14px);
  --glass-bg: rgba(255, 255, 255, 0.68);
  --glass-bg-strong: rgba(255, 255, 255, 0.86);
  --glass-border: 0.5px solid rgba(57, 197, 187, 0.28);
  --glass-border-strong: 1px solid rgba(57, 197, 187, 0.42);

  /* --- 阴影 --- */
  --shadow-glow: 0 0 20px rgba(57, 197, 187, 0.12);
  --shadow-glow-strong: 0 0 32px rgba(57, 197, 187, 0.28);
  --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.05);
  --shadow-card: var(--shadow-glow), var(--shadow-soft);
  --shadow-btn: 0 0 22px rgba(57, 197, 187, 0.22), 0 6px 16px rgba(0, 0, 0, 0.06);
  --shadow-btn-hover: 0 0 36px rgba(57, 197, 187, 0.36), 0 10px 24px rgba(57, 197, 187, 0.18);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.08);

  /* --- 圆角 --- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-3xl: 30px;
  --radius-btn: 50px;
  --radius-full: 9999px;

  /* --- 120BPM 动画节奏 (1拍 = 500ms, 1小节 = 2000ms) --- */
  --bpm-beat: 500ms;
  --bpm-half: 250ms;
  --bpm-bar: 2000ms;
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --dur-fast: 200ms;
  --dur-base: 400ms;
  --dur-slow: 600ms;

  /* --- 排版 --- */
  --font-sans: 'Noto Sans SC', system-ui, -apple-system, BlinkMacSystemFont, 'Microsoft YaHei', 'PingFang SC', sans-serif;
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
  --font-display: 'ZCOOL KuaiLe', 'Ma Shan Zheng', cursive;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', 'Courier New', 'Noto Sans SC', monospace;
  --line-height-body: 1.7;
  --letter-spacing-body: 0.4px;
  --letter-spacing-heading: -0.02em;

  /* --- 导航 --- */
  --nav-height: 64px;

  /* --- 代码块 --- */
  --code-bg: #282C34;
  --code-bg-dark: #1E1E1E;
  --code-text: #ABB2BF;
  --code-keyword: #C678DD;
  --code-string: #98C379;
  --code-comment: #5C6370;
  --code-number: #D19A66;

  /* --- 间距 --- */
  --content-px: 80px;
  --content-max: 1200px;
  --content-wide: 1400px;
}

/* ================================================================
   2. 暗色模式变量覆盖
   ================================================================ */
body.miku-dark {
  --bg-primary: #0F172A;
  --bg-card: #1E293B;
  --bg-card-hover: #243044;
  --bg-nav: rgba(15, 23, 42, 0.84);
  --bg-nav-scrolled: rgba(15, 23, 42, 0.94);
  --bg-overlay: rgba(15, 23, 42, 0.74);
  --bg-input: #1E293B;

  --text-heading: #F8FCFF;
  --text-body: #CBD5E1;
  --text-sub: #94A3B8;
  --text-muted: #64748B;

  --glass-bg: rgba(30, 41, 59, 0.68);
  --glass-bg-strong: rgba(30, 41, 59, 0.86);
  --glass-border: 0.5px solid rgba(57, 197, 187, 0.22);
  --glass-border-strong: 1px solid rgba(57, 197, 187, 0.34);

  --shadow-glow: 0 0 20px rgba(57, 197, 187, 0.06);
  --shadow-glow-strong: 0 0 32px rgba(57, 197, 187, 0.14);
  --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-card: var(--shadow-glow), var(--shadow-soft);
  --shadow-btn: 0 0 22px rgba(57, 197, 187, 0.15), 0 6px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.3);

  --code-bg: #1a1a2e;
}

/* ================================================================
   3. 基础重置
   ================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing-body);
  color: var(--text-body);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color var(--dur-slow) var(--ease-smooth),
              color var(--dur-slow) var(--ease-smooth);
}

/* --- 背景光晕纹理 --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 80% 80% at 15% 15%, rgba(var(--miku-primary-rgb), 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 80% 80% at 85% 85%, rgba(var(--miku-ice-rgb), 0.04) 0%, transparent 50%),
    radial-gradient(ellipse 80% 80% at 50% 60%, rgba(var(--miku-sakura-rgb), 0.02) 0%, transparent 50%);
  pointer-events: none;
}

/* --- 选中 --- */
::selection {
  background: rgba(var(--miku-primary-rgb), 0.22);
  color: var(--text-heading);
}

/* --- 滚动条 --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(var(--miku-primary-rgb), 0.28);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--miku-primary); }

/* --- 聚焦 --- */
:focus-visible {
  outline: 2px solid var(--miku-primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* ================================================================
   4. 排版系统
   ================================================================ */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  letter-spacing: var(--letter-spacing-heading);
  line-height: 1.3;
  scroll-margin-top: calc(var(--nav-height) + 16px);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.35rem, 2.8vw, 1.75rem);
  margin: 2rem 0 0.75rem;
  padding-left: 14px;
  border-left: 4px solid var(--miku-primary);
}

h3 {
  font-size: clamp(1.15rem, 2.2vw, 1.375rem);
  margin: 1.5rem 0 0.5rem;
}

h4 { font-size: 1.15rem; margin: 1.25rem 0 0.5rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 0.875rem;
  color: var(--text-body);
}

a {
  color: var(--miku-primary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-smooth);
}
a:hover { color: var(--miku-hover); }

ul, ol {
  margin: 0.5rem 0 1rem 1.5rem;
  color: var(--text-body);
  line-height: 1.8;
}
li { margin-bottom: 0.3rem; }
li::marker { color: var(--miku-primary); }

blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background: rgba(var(--miku-primary-rgb), 0.04);
  border-left: 4px solid var(--miku-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-sub);
}
blockquote p:last-child { margin-bottom: 0; }

hr {
  border: none;
  height: 2px;
  margin: 2rem 0;
  background: linear-gradient(90deg, transparent, var(--miku-primary), transparent);
  opacity: 0.35;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

strong { color: var(--text-heading); font-weight: 700; }
em { color: var(--miku-hover); }

/* --- 内联代码 --- */
:not(pre) > code {
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  background: rgba(var(--miku-primary-rgb), 0.08);
  color: var(--miku-hover);
  font-family: var(--font-mono);
  font-size: 0.875em;
  font-weight: 500;
}

/* ================================================================
   5. 通用背景层
   ================================================================ */
.site-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  object-fit: cover;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.site-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg,
    rgba(248, 252, 255, 0.55) 0%,
    rgba(224, 247, 246, 0.65) 100%);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

body.miku-dark .site-overlay {
  background: linear-gradient(135deg,
    rgba(15, 23, 42, 0.65) 0%,
    rgba(30, 41, 59, 0.7) 100%);
}

/* ================================================================
   6. 玻璃拟态组件
   ================================================================ */
.miku-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.miku-glass-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* --- 兼容旧版 class 名 --- */
.glass-panel {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ================================================================
   7. 导航栏
   ================================================================ */
.miku-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--content-px);
  background: var(--bg-nav);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(var(--miku-primary-rgb), 0.18);
  box-shadow: 0 1px 12px rgba(var(--miku-primary-rgb), 0.05);
  transition: background var(--dur-base) var(--ease-smooth),
              box-shadow var(--dur-base) var(--ease-smooth),
              border-color var(--dur-base) var(--ease-smooth);
}

.miku-header.scrolled {
  background: var(--bg-nav-scrolled);
  box-shadow: 0 2px 20px rgba(var(--miku-primary-rgb), 0.1);
  border-bottom-color: rgba(var(--miku-primary-rgb), 0.25);
}

/* --- Logo --- */
.miku-logo {
  display: flex;
  align-items: center;
}

.miku-logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-heading);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-bounce);
}
.miku-logo a:hover {
  color: var(--miku-primary);
  transform: scale(1.04);
}

.miku-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--miku-primary), var(--miku-ice));
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 1rem;
  animation: logoPulse 2s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--miku-primary-rgb), 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(var(--miku-primary-rgb), 0); }
}

/* --- 导航列表 --- */
.miku-nav-list {
  display: flex;
  list-style: none;
  gap: 4px;
  margin: 0;
  height: 100%;
  align-items: center;
}

.miku-nav-list > li {
  margin: 0;
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
}

.miku-nav-list > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-body);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-bounce);
  white-space: nowrap;
}

.miku-nav-list > li > a:hover {
  color: var(--miku-primary);
  background: rgba(var(--miku-primary-rgb), 0.08);
  transform: translateY(-1px);
}

.miku-nav-list > li > a.active {
  color: var(--miku-primary);
  background: rgba(var(--miku-primary-rgb), 0.11);
  font-weight: 700;
}

.miku-nav-list > li > a.active::after {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--miku-primary);
  animation: noteDot var(--bpm-beat) var(--ease-bounce) infinite;
}

@keyframes noteDot {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; }
  50% { transform: translateX(-50%) scale(1.6); opacity: 0.45; }
}

/* --- 下拉菜单 --- */
.miku-dropdown { position: relative; }

.miku-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 160px;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border-strong);
  border-radius: var(--radius-md);
  padding: 8px 0;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transition: all var(--dur-fast) var(--ease-bounce);
  list-style: none;
  margin: 0;
  z-index: 1001;
}

.miku-dropdown:hover .miku-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.miku-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--bg-card);
  border-top: var(--glass-border-strong);
  border-left: var(--glass-border-strong);
}

.miku-dropdown-menu li { margin: 0; }

.miku-dropdown-menu li a {
  display: block;
  padding: 9px 18px;
  color: var(--text-body);
  text-decoration: none;
  font-size: 0.825rem;
  font-weight: 500;
  transition: all var(--dur-fast) var(--ease-smooth);
}

.miku-dropdown-menu li a:hover {
  color: var(--miku-primary);
  background: rgba(var(--miku-primary-rgb), 0.06);
  padding-left: 22px;
}

/* --- 汉堡菜单按钮 --- */
.miku-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  z-index: 1002;
}

.miku-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-heading);
  border-radius: 2px;
  transition: all var(--dur-fast) var(--ease-bounce);
  transform-origin: center;
}

.miku-menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.miku-menu-btn.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.miku-menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- 移动端全屏导航 --- */
.miku-mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

body.miku-dark .miku-mobile-nav {
  background: rgba(15, 23, 42, 0.96);
}

.miku-mobile-nav.open { display: flex; }

.miku-mobile-nav a {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-heading);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-bounce);
  padding: 12px 28px;
  border-radius: var(--radius-full);
}

.miku-mobile-nav a:hover,
.miku-mobile-nav a.active {
  color: var(--miku-primary);
  background: rgba(var(--miku-primary-rgb), 0.08);
}

/* ================================================================
   8. 面包屑
   ================================================================ */
.miku-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  font-size: 0.825rem;
  color: var(--text-sub);
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
}

.miku-breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--text-sub);
}
.miku-breadcrumb li::marker { content: none; }

.miku-breadcrumb a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-smooth);
}
.miku-breadcrumb a:hover { color: var(--miku-primary); }

.miku-breadcrumb .sep {
  color: var(--miku-ice);
  font-size: 0.7rem;
}

.miku-breadcrumb .current {
  color: var(--miku-primary);
  font-weight: 600;
}

/* ================================================================
   9. 按钮系统
   ================================================================ */
.miku-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 0.925rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-bounce);
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
}

.miku-btn-primary {
  background: linear-gradient(135deg, var(--miku-primary), var(--miku-hover));
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.miku-btn-primary:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: var(--shadow-btn-hover);
  color: #fff;
}
.miku-btn-primary:active { transform: scale(0.97); }

.miku-btn-outline {
  background: transparent;
  color: var(--miku-primary);
  border: 1.5px solid var(--miku-primary);
}
.miku-btn-outline:hover {
  background: rgba(var(--miku-primary-rgb), 0.08);
  transform: translateY(-2px);
  box-shadow: 0 0 18px rgba(var(--miku-primary-rgb), 0.15);
}

.miku-btn-ghost {
  background: transparent;
  color: var(--text-body);
}
.miku-btn-ghost:hover {
  background: rgba(var(--miku-primary-rgb), 0.07);
  color: var(--miku-primary);
}

.miku-btn-sm {
  padding: 8px 18px;
  font-size: 0.8rem;
}

.miku-btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ================================================================
   10. 页面布局
   ================================================================ */
.miku-page {
  padding-top: calc(var(--nav-height) + 24px);
  min-height: 100vh;
}

.miku-container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}

.miku-container-wide {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- 双栏布局 --- */
.miku-layout-split {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.miku-layout-main {
  flex: 1;
  min-width: 0;
}

.miku-layout-side {
  width: 270px;
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  max-height: calc(100vh - var(--nav-height) - 48px);
  overflow-y: auto;
}

/* ================================================================
   11. 文章正文
   ================================================================ */
.miku-article {
  padding: 40px 48px;
  line-height: var(--line-height-body);
}

.miku-article h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
  border: none;
  padding: 0;
}

.miku-article h1.miku-gradient-text {
  background: linear-gradient(135deg, var(--miku-primary) 0%, var(--miku-ice) 40%, var(--miku-hover) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.miku-article h2 {
  font-size: 1.45rem;
  margin: 2.2rem 0 0.75rem;
}

.miku-article h3 { font-size: 1.2rem; margin: 1.5rem 0 0.6rem; }

.miku-article p {
  font-size: 0.95rem;
  line-height: 1.82;
  margin-bottom: 0.875rem;
}

.miku-article img {
  display: block;
  max-width: 100%;
  margin: 1.25rem auto;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(var(--miku-primary-rgb), 0.18);
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur-fast) var(--ease-bounce);
}
.miku-article img:hover { transform: scale(1.015); }

/* --- 文章标签 --- */
.miku-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.25rem;
}

.miku-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(var(--miku-primary-rgb), 0.1);
  color: var(--miku-hover);
}

.miku-tag.original {
  background: linear-gradient(135deg, var(--miku-primary), var(--miku-hover));
  color: #fff;
}

/* --- 文章元信息 --- */
.miku-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(var(--miku-primary-rgb), 0.1);
  font-size: 0.825rem;
  color: var(--text-sub);
}

/* --- 提示框 --- */
.callout {
  background: rgba(var(--miku-primary-rgb), 0.05);
  border: 1px solid rgba(var(--miku-primary-rgb), 0.18);
  border-left: 4px solid var(--miku-primary);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin: 18px 0;
  line-height: 1.8;
}
.callout p:last-child { margin-bottom: 0; }

/* --- 旧版文章 body 兼容 --- */
.article-body h2 {
  font-size: 1.4rem;
  color: var(--text-heading);
  margin: 36px 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--miku-primary);
  font-weight: 700;
}
.article-body h3 {
  font-size: 1.15rem;
  color: var(--text-heading);
  margin: 26px 0 12px;
  font-weight: 700;
}
.article-body p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.82;
  margin-bottom: 14px;
}
.article-body ul, .article-body ol {
  margin: 0 0 14px 22px;
  color: var(--text-body);
  line-height: 1.82;
}
.article-body li { margin-bottom: 5px; }
.article-body strong { color: var(--miku-primary); font-weight: 700; }

/* ================================================================
   12. TOC 目录侧边栏
   ================================================================ */
.miku-toc {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-card);
  font-size: 0.825rem;
}

.miku-toc-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--miku-primary);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px dashed rgba(var(--miku-primary-rgb), 0.18);
  display: flex;
  align-items: center;
  gap: 8px;
}

.miku-toc-list {
  list-style: none;
  margin: 0;
}

.miku-toc-list li { margin-bottom: 1px; }

.miku-toc-list a {
  display: block;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--dur-fast) var(--ease-smooth);
  border-left: 2px solid transparent;
  line-height: 1.4;
}
.miku-toc-list a:hover,
.miku-toc-list a.active {
  color: var(--miku-primary);
  background: rgba(var(--miku-primary-rgb), 0.06);
  border-left-color: var(--miku-primary);
}
.miku-toc-list a.toc-h2 { padding-left: 8px; }
.miku-toc-list a.toc-h3 { padding-left: 22px; font-size: 0.78rem; }
.miku-toc-list a.toc-h4 { padding-left: 36px; font-size: 0.75rem; }

/* 浮动 TOC（无侧边栏页面使用） */
.miku-toc-float-container {
  position: fixed;
  right: 16px;
  top: 96px;
  width: 240px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  z-index: 40;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--miku-primary-rgb), 0.2) transparent;
}
.miku-toc-float-container::-webkit-scrollbar { width: 4px; }
.miku-toc-float-container::-webkit-scrollbar-thumb {
  background: rgba(var(--miku-primary-rgb), 0.2);
  border-radius: 2px;
}
.miku-toc-floating {
  font-size: 0.78rem;
  padding: 14px;
}
.miku-toc-floating .miku-toc-title {
  font-size: 0.85rem;
  margin-bottom: 8px;
  padding-bottom: 8px;
}
.miku-toc-floating .miku-toc-list a {
  padding: 4px 10px;
  font-size: 0.76rem;
  line-height: 1.3;
}
.miku-toc-floating .miku-toc-list a.toc-h3 { padding-left: 18px; font-size: 0.72rem; }
.miku-toc-floating .miku-toc-list a.toc-h4 { padding-left: 28px; font-size: 0.70rem; }

@media (max-width: 1200px) {
  .miku-toc-float-container { display: none; }
}

/* ================================================================
   13. 侧边栏列表 (sidebar-list 兼容)
   ================================================================ */
.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}
.sidebar-list li { margin: 0; }
.sidebar-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--text-body);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--dur-fast) var(--ease-smooth);
}
.sidebar-list a i {
  color: var(--text-sub);
  font-size: 0.8rem;
  transition: color var(--dur-fast);
}
.sidebar-list a:hover,
.sidebar-list a.active {
  background: rgba(var(--miku-primary-rgb), 0.08);
  color: var(--miku-hover);
  transform: translateX(4px);
}
.sidebar-list a:hover i,
.sidebar-list a.active i { color: var(--miku-primary); }

/* ================================================================
   14. 代码块
   ================================================================ */
.miku-code-block {
  position: relative;
  margin: 1.25rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--code-bg);
  border: 1px solid rgba(var(--miku-primary-rgb), 0.14);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--dur-fast) var(--ease-smooth),
              box-shadow var(--dur-fast) var(--ease-smooth);
}
.miku-code-block:hover {
  border-color: rgba(var(--miku-primary-rgb), 0.35);
  box-shadow: 0 0 22px rgba(var(--miku-primary-rgb), 0.1);
}

.miku-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 14px;
  background: rgba(0, 0, 0, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.miku-code-lang {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.miku-code-copy {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-smooth);
  font-family: var(--font-sans);
}
.miku-code-copy:hover {
  border-color: var(--miku-primary);
  color: var(--miku-primary);
  background: rgba(var(--miku-primary-rgb), 0.1);
}
.miku-code-copy.copied {
  border-color: var(--miku-primary);
  color: var(--miku-primary);
}

.miku-code-block pre {
  margin: 0;
  padding: 14px 18px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}
.miku-code-block pre::-webkit-scrollbar { height: 6px; }
.miku-code-block pre::-webkit-scrollbar-track { background: transparent; }
.miku-code-block pre::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}
.miku-code-block pre::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}
.miku-code-block code {
  font-family: var(--font-mono);
  font-size: 0.80rem;
  line-height: 1.35;
  color: var(--code-text);
  white-space: pre;
  tab-size: 4;
}
.miku-code-block .CodeMirror { border-radius: 0 0 var(--radius-md) var(--radius-md); }
.miku-code-block .CodeMirror-scroll {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}
.miku-code-block .CodeMirror-scroll::-webkit-scrollbar { height: 6px; }
.miku-code-block .CodeMirror-scroll::-webkit-scrollbar-track { background: transparent; }
.miku-code-block .CodeMirror-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}
.miku-code-block .CodeMirror-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* --- 行号模式 --- */
.miku-code-block.line-numbers pre { counter-reset: line; }
.miku-code-block.line-numbers code .line {
  display: block;
  counter-increment: line;
}
.miku-code-block.line-numbers code .line::before {
  content: counter(line);
  display: inline-block;
  width: 2em;
  margin-right: 1em;
  text-align: right;
  color: rgba(255, 255, 255, 0.18);
  user-select: none;
}

/* ================================================================
   15. 表格
   ================================================================ */
.miku-table-wrapper {
  overflow-x: auto;
  margin: 1.25rem 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(var(--miku-primary-rgb), 0.18);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead {
  background: linear-gradient(135deg, var(--miku-primary), var(--miku-hover));
}

thead th {
  color: #fff;
  font-weight: 600;
  padding: 11px 15px;
  text-align: left;
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid rgba(var(--miku-primary-rgb), 0.07);
  transition: background var(--dur-fast) var(--ease-smooth);
}

tbody tr:nth-child(even) {
  background: rgba(var(--miku-primary-rgb), 0.025);
}

tbody tr:hover {
  background: rgba(var(--miku-primary-rgb), 0.06);
}

tbody td {
  padding: 9px 15px;
  color: var(--text-body);
}

/* ================================================================
   16. 资源卡片网格
   ================================================================ */
.miku-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 22px;
  margin: 18px 0;
}

.miku-resource-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px;
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: var(--text-body);
  transition: all var(--dur-base) var(--ease-bounce);
}
.miku-resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-strong), var(--shadow-soft);
  border-color: var(--miku-primary);
  color: var(--text-body);
}
.miku-resource-card .card-icon {
  font-size: 1.8rem;
  color: var(--miku-primary);
  margin-bottom: 2px;
}
.miku-resource-card h3 {
  font-size: 1.1rem;
  color: var(--text-heading);
  margin: 0;
}
.miku-resource-card p {
  font-size: 0.825rem;
  color: var(--text-sub);
  margin: 0;
  line-height: 1.5;
}

/* ================================================================
   17. Hero 区
   ================================================================ */
.miku-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--nav-height));
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 40px 24px;
}

.miku-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.miku-hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.miku-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg,
    rgba(248, 252, 255, 0.72) 0%,
    rgba(224, 247, 246, 0.65) 100%);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
body.miku-dark .miku-hero-overlay {
  background: linear-gradient(135deg,
    rgba(15, 23, 42, 0.72) 0%,
    rgba(30, 41, 59, 0.65) 100%);
}

.miku-hero-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 56px 68px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-card);
  animation: fadeUp var(--dur-slow) var(--ease-bounce) forwards;
  position: relative;
  overflow: hidden;
}
.miku-hero-card::after {
  content: '♪';
  position: absolute;
  top: 18px;
  right: 26px;
  font-size: 26px;
  color: var(--miku-primary);
  opacity: 0.22;
  animation: noteFloat var(--bpm-bar) var(--ease-bounce) infinite;
  pointer-events: none;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(36px); }
  to { opacity: 1; transform: translateY(0); }
}

.miku-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  background: linear-gradient(135deg, var(--miku-primary) 0%, var(--miku-ice) 45%, var(--miku-hover) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.miku-hero-poem {
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 2.4;
  color: var(--text-body);
  font-weight: 500;
  letter-spacing: 2px;
}

/* --- portal 布局 (旧 index 兼容) --- */
.portal-layout {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.portal-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 56px 72px;
  border-radius: var(--radius-3xl);
  border: var(--glass-border);
  box-shadow: var(--shadow-card);
  animation: fadeUp 0.8s var(--ease-bounce) forwards;
  position: relative;
  overflow: hidden;
}
.portal-card::after {
  content: '♪';
  position: absolute;
  top: 18px;
  right: 26px;
  font-size: 26px;
  color: var(--miku-primary);
  opacity: 0.22;
  animation: noteFloat var(--bpm-bar) var(--ease-bounce) infinite;
  pointer-events: none;
}

/* ================================================================
   18. 简历页面
   ================================================================ */
.miku-resume-header {
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 44px;
  position: relative;
  overflow: hidden;
}
.miku-resume-header::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  width: 280px;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(var(--miku-primary-rgb), 0.05));
  z-index: -1;
}

.miku-resume-avatar {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow: 0 0 22px rgba(var(--miku-primary-rgb), 0.22);
  transition: transform 0.6s var(--ease-bounce);
}
.miku-resume-avatar:hover { transform: rotate(360deg); }
body.miku-dark .miku-resume-avatar { border-color: var(--bg-card); }

.miku-resume-section {
  padding: 38px 44px;
  margin-bottom: 22px;
}
.miku-resume-section h2 {
  font-size: 1.4rem;
  margin: 0 0 22px;
  padding: 0 0 10px;
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: 10px;
}
body.miku-dark .miku-resume-section h2 {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

/* --- 时间线 --- */
.miku-timeline-item {
  position: relative;
  padding-left: 28px;
  border-left: 2px solid rgba(var(--miku-primary-rgb), 0.2);
  margin-bottom: 30px;
}
.miku-timeline-item:last-child { margin-bottom: 0; }
.miku-timeline-item::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--miku-primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(var(--miku-primary-rgb), 0.18);
}
body.miku-dark .miku-timeline-item::before { border-color: var(--bg-card); }

/* --- 技能标签 --- */
.miku-skill-tag {
  display: inline-block;
  padding: 6px 14px;
  margin: 4px;
  border-radius: var(--radius-full);
  background: #fff;
  color: var(--text-body);
  font-size: 0.825rem;
  font-weight: 600;
  border: 1px solid rgba(var(--miku-primary-rgb), 0.2);
  transition: all var(--dur-fast) var(--ease-bounce);
}
.miku-skill-tag:hover {
  background: var(--miku-primary);
  color: #fff;
  border-color: var(--miku-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(var(--miku-primary-rgb), 0.28);
}
body.miku-dark .miku-skill-tag {
  background: var(--bg-card);
  border-color: rgba(var(--miku-primary-rgb), 0.2);
}

/* --- 数据高亮框 --- */
.data-highlight {
  background: linear-gradient(135deg, rgba(var(--miku-primary-rgb), 0.05), rgba(var(--miku-sakura-rgb), 0.03));
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-top: 14px;
  border: 1px dashed var(--miku-primary);
}
.data-highlight p { font-size: 0.85rem; margin-bottom: 6px; }
.data-highlight p:last-child { margin-bottom: 0; }
.data-highlight code {
  background: #fff;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  color: var(--miku-hover);
  font-weight: 700;
}
body.miku-dark .data-highlight code { background: var(--bg-primary); }

/* ================================================================
   19. 页脚
   ================================================================ */
.miku-footer {
  margin-top: 60px;
  padding: 32px 0;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid rgba(var(--miku-primary-rgb), 0.14);
  text-align: center;
  font-size: 0.825rem;
  color: var(--text-sub);
}
.miku-footer::before {
  content: '';
  display: block;
  width: 70px;
  height: 2px;
  margin: 0 auto 14px;
  background: linear-gradient(90deg, transparent, var(--miku-primary), transparent);
  border-radius: 1px;
}
.miku-footer a {
  color: var(--miku-primary);
  text-decoration: none;
  font-weight: 600;
}
.miku-footer .miku-footer-note {
  margin-top: 6px;
  color: var(--miku-sakura);
  font-weight: 600;
  font-size: 0.78rem;
}

/* ================================================================
   20. Toast 通知
   ================================================================ */
.miku-toast {
  position: fixed;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  padding: 13px 30px;
  background: linear-gradient(135deg, var(--miku-primary), var(--miku-hover));
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-btn);
  z-index: 9999;
  transition: top var(--dur-base) var(--ease-bounce);
  white-space: nowrap;
  pointer-events: none;
}
.miku-toast.show {
  top: calc(var(--nav-height) + 16px);
}

/* ================================================================
   21. 回到顶部
   ================================================================ */
.miku-back-top {
  position: fixed;
  bottom: 36px;
  right: 36px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border-strong);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--miku-primary);
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--dur-base) var(--ease-bounce);
  z-index: 900;
}
.miku-back-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.miku-back-top:hover {
  background: var(--miku-primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
  transform: translateY(-3px);
}

/* ================================================================
   22. 主题切换按钮
   ================================================================ */
.miku-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: var(--glass-border);
  background: var(--glass-bg);
  cursor: pointer;
  color: var(--text-sub);
  font-size: 1rem;
  transition: all var(--dur-fast) var(--ease-bounce);
}
.miku-theme-toggle:hover {
  color: var(--miku-primary);
  border-color: var(--miku-primary);
  box-shadow: 0 0 14px rgba(var(--miku-primary-rgb), 0.18);
}

/* ================================================================
   23. 阅读进度条
   ================================================================ */
.miku-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--miku-primary), var(--miku-ice));
  z-index: 1001;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
  pointer-events: none;
}

/* ================================================================
   24. 加载动画
   ================================================================ */
.miku-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  transition: opacity var(--dur-slow) var(--ease-smooth),
              visibility var(--dur-slow) var(--ease-smooth);
}
.miku-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.miku-loader-notes {
  display: flex;
  gap: 8px;
}
.miku-loader-note {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--miku-primary);
  animation: noteBounce 1.2s var(--ease-bounce) infinite;
}
.miku-loader-note:nth-child(2) { animation-delay: 0.15s; background: var(--miku-ice); }
.miku-loader-note:nth-child(3) { animation-delay: 0.3s; background: var(--miku-sakura); }
.miku-loader-note:nth-child(4) { animation-delay: 0.45s; }
.miku-loader-note:nth-child(5) { animation-delay: 0.6s; background: var(--miku-ice); }
@keyframes noteBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

.miku-loader-bar {
  width: 180px;
  height: 3px;
  border-radius: 3px;
  background: rgba(var(--miku-primary-rgb), 0.1);
  overflow: hidden;
}
.miku-loader-bar-inner {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--miku-primary), var(--miku-ice), var(--miku-primary));
  animation: loadBar 1.5s var(--ease-smooth) infinite;
}
@keyframes loadBar {
  0% { width: 0; transform: translateX(0); }
  50% { width: 70%; transform: translateX(15%); }
  100% { width: 100%; transform: translateX(0); }
}

/* ================================================================
   25. 120BPM 动效系统
   ================================================================ */

/* --- 音符浮动 --- */
@keyframes noteFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.55; }
  25% { transform: translateY(-4px) rotate(5deg); opacity: 0.8; }
  50% { transform: translateY(-8px) rotate(10deg); opacity: 1; }
  75% { transform: translateY(-4px) rotate(5deg); opacity: 0.8; }
}

.miku-note-decor {
  display: inline-block;
  color: var(--miku-primary);
  animation: noteFloat var(--bpm-bar) var(--ease-bounce) infinite;
  user-select: none;
  pointer-events: none;
}

/* --- 声波纹 --- */
@keyframes soundwave {
  0% { transform: scaleY(0.3); }
  25% { transform: scaleY(1); }
  50% { transform: scaleY(0.5); }
  75% { transform: scaleY(0.9); }
  100% { transform: scaleY(0.3); }
}

.miku-soundwave {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 24px;
}
.miku-soundwave-bar {
  width: 3px;
  background: var(--miku-primary);
  border-radius: 2px;
  animation: soundwave var(--bpm-bar) var(--ease-smooth) infinite;
}
.miku-soundwave-bar:nth-child(1) { height: 40%; animation-delay: 0s; }
.miku-soundwave-bar:nth-child(2) { height: 80%; animation-delay: var(--bpm-half); }
.miku-soundwave-bar:nth-child(3) { height: 100%; animation-delay: var(--bpm-beat); }
.miku-soundwave-bar:nth-child(4) { height: 60%; animation-delay: calc(var(--bpm-beat) + var(--bpm-half)); }
.miku-soundwave-bar:nth-child(5) { height: 90%; animation-delay: calc(var(--bpm-beat) * 1.5); }

/* --- 旋转光晕 --- */
@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.miku-glow-pulse {
  animation: glowPulse var(--bpm-bar) var(--ease-smooth) infinite;
}

/* --- 入场交错动画 --- */
.miku-stagger {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-base) var(--ease-bounce),
              transform var(--dur-base) var(--ease-bounce);
}
.miku-stagger.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   26. Typora 导出页面覆盖
   ================================================================ */
body.typora-export {
  padding: 0 !important;
  background: var(--bg-primary) !important;
  font-family: var(--font-sans) !important;
  color: var(--text-body) !important;
  line-height: var(--line-height-body) !important;
  overflow-x: hidden !important;
}

body.typora-export #write {
  max-width: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

body.typora-export #write h1 {
  font-size: 2rem !important;
  border-left: 5px solid var(--miku-primary) !important;
  padding-left: 16px !important;
  background: linear-gradient(135deg, var(--miku-primary), var(--miku-ice));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 1.5rem 0 0.75rem !important;
  white-space: normal !important;
}

body.typora-export #write h2 {
  font-size: 1.5rem !important;
  padding-left: 12px !important;
  border-left: 4px solid var(--miku-primary) !important;
  margin: 1.5rem 0 0.75rem !important;
  white-space: normal !important;
}

body.typora-export #write h3 { font-size: 1.25rem !important; margin: 1.25rem 0 0.5rem !important; white-space: normal !important; }
body.typora-export #write h4 { font-size: 1.1rem !important; white-space: normal !important; }
body.typora-export #write h5,
body.typora-export #write h6 { white-space: normal !important; }

body.typora-export #write h1,
body.typora-export #write h2,
body.typora-export #write h3,
body.typora-export #write h4,
body.typora-export #write h5,
body.typora-export #write h6 {
  color: var(--text-heading) !important;
  font-family: var(--font-sans) !important;
  font-weight: 700 !important;
}

body.typora-export #write p {
  color: var(--text-body) !important;
  font-family: var(--font-sans) !important;
  line-height: 1.8 !important;
  margin-bottom: 0.875rem !important;
  white-space: normal !important;
}

/* --- Typora CodeMirror 代码块全面覆盖 --- */
body.typora-export #write .md-fences,
body.typora-export #write .md-fences-advanced:not(.md-focus) {
  background: var(--code-bg) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid rgba(var(--miku-primary-rgb), 0.15) !important;
  font-family: var(--font-mono) !important;
  color: var(--code-text) !important;
  padding: 0 !important;
  margin: 1.25rem 0 !important;
  overflow: hidden !important;
}

body.typora-export #write pre {
  background: var(--code-bg) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid rgba(var(--miku-primary-rgb), 0.15) !important;
  font-family: var(--font-mono) !important;
  color: var(--code-text) !important;
  padding: 18px 20px !important;
  margin: 1.25rem 0 !important;
  overflow-x: auto !important;
  tab-size: 4;
}

/* CodeMirror 容器 */
body.typora-export #write .CodeMirror {
  background: var(--code-bg) !important;
  border-radius: var(--radius-md) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.82rem !important;
  line-height: 1.35 !important;
  color: var(--code-text) !important;
  padding: 0 !important;
  overflow: hidden !important;
}
/* 隐藏 CodeMirror 内部测量元素（会撑高代码块） */
body.typora-export #write .CodeMirror-measure {
  position: absolute !important;
  visibility: hidden !important;
  height: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
}
body.typora-export #write .CodeMirror-measure > * {
  height: 0 !important;
  overflow: hidden !important;
}
/* 强制所有 CodeMirror 内部元素继承紧凑行高 */
body.typora-export #write .CodeMirror-code > div,
body.typora-export #write .CodeMirror-code > div[style] {
  line-height: 1.35 !important;
  min-height: 0 !important;
}

/* CodeMirror 滚动区域 */
body.typora-export #write .CodeMirror-scroll {
  background: var(--code-bg) !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
}

body.typora-export #write .CodeMirror-sizer {
  background: var(--code-bg) !important;
  margin-bottom: 0 !important;
}

/* CodeMirror 代码行区域 */
body.typora-export #write .CodeMirror-lines {
  background: var(--code-bg) !important;
  padding: 8px 0 !important;
}

body.typora-export #write .CodeMirror-code {
  background: var(--code-bg) !important;
}

/* CodeMirror 行号区域（左侧） */
body.typora-export #write .CodeMirror-gutters {
  background: rgba(0, 0, 0, 0.18) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.06) !important;
  padding-right: 4px !important;
}

body.typora-export #write .CodeMirror-gutter {
  background: rgba(0, 0, 0, 0.18) !important;
}

body.typora-export #write .CodeMirror-linenumber {
  color: rgba(255, 255, 255, 0.22) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.68rem !important;
  line-height: 1.35 !important;
  padding: 0 4px 0 2px !important;
  min-width: 20px !important;
  text-align: right !important;
}

/* CodeMirror 每一行 */
body.typora-export #write .CodeMirror-line {
  font-family: var(--font-mono) !important;
  font-size: 0.80rem !important;
  line-height: 1.35 !important;
  color: var(--code-text) !important;
  background: transparent !important;
  padding-right: 16px !important;
}


/* 活动行高亮 */
body.typora-export #write .CodeMirror-activeline-background {
  background: rgba(var(--miku-primary-rgb), 0.06) !important;
}

body.typora-export #write .CodeMirror-activeline-gutter {
  background: rgba(var(--miku-primary-rgb), 0.1) !important;
}

/* ================================================================
   CodeMirror 语法高亮颜色（统一使用变量）
   ================================================================ */
body.typora-export #write .cm-keyword   { color: #C678DD !important; font-weight: 600 !important; }
body.typora-export #write .cm-def       { color: #E5C07B !important; }
body.typora-export #write .cm-variable  { color: #E06C75 !important; }
body.typora-export #write .cm-variable-2{ color: #E06C75 !important; }
body.typora-export #write .cm-variable-3{ color: #D19A66 !important; }
body.typora-export #write .cm-type      { color: #E5C07B !important; }
body.typora-export #write .cm-string    { color: #98C379 !important; }
body.typora-export #write .cm-meta      { color: #C678DD !important; }
body.typora-export #write .cm-comment   { color: #5C6370 !important; font-style: italic !important; }
body.typora-export #write .cm-number   { color: #D19A66 !important; }
body.typora-export #write .cm-operator  { color: #56B6C2 !important; }
body.typora-export #write .cm-atom      { color: #D19A66 !important; }
body.typora-export #write .cm-builtin   { color: #E5C07B !important; }
body.typora-export #write .cm-property  { color: #E06C75 !important; }
body.typora-export #write .cm-qualifier { color: #E5C07B !important; }
body.typora-export #write .cm-tag       { color: #E06C75 !important; }
body.typora-export #write .cm-attribute { color: #D19A66 !important; }
body.typora-export #write .cm-link      { color: #56B6C2 !important; text-decoration: underline !important; }
body.typora-export #write .cm-error     { color: #E06C75 !important; background: rgba(224, 108, 117, 0.1) !important; }

/* 内联 code */
body.typora-export #write code {
  font-family: var(--font-mono) !important;
  font-size: 0.85rem !important;
  background: rgba(var(--miku-primary-rgb), 0.08) !important;
  color: var(--miku-hover) !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
}
body.typora-export #write pre code {
  background: transparent !important;
  color: var(--code-text) !important;
  padding: 0 !important;
  border-radius: 0 !important;
  font-size: inherit !important;
}

body.typora-export #write table {
  border-collapse: collapse !important;
  width: 100% !important;
}
body.typora-export #write table thead {
  background: var(--miku-primary) !important;
}
body.typora-export #write table thead th {
  color: #fff !important;
  font-weight: 600 !important;
  padding: 10px 14px !important;
}
body.typora-export #write table tbody td {
  padding: 8px 14px !important;
  border-bottom: 1px solid rgba(var(--miku-primary-rgb), 0.08) !important;
}
body.typora-export #write table tbody tr:nth-child(even) {
  background: rgba(var(--miku-primary-rgb), 0.03) !important;
}

body.typora-export #write img {
  border-radius: var(--radius-sm) !important;
  border: 1px solid rgba(var(--miku-primary-rgb), 0.18) !important;
  box-shadow: var(--shadow-soft) !important;
}

body.typora-export #write blockquote {
  border-left: 4px solid var(--miku-primary) !important;
  background: rgba(var(--miku-primary-rgb), 0.04) !important;
  padding: 0.875rem 1.25rem !important;
  border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
  margin: 1.25rem 0 !important;
}

body.typora-export #write ul,
body.typora-export #write ol {
  margin: 0.5rem 0 1rem 1.5rem !important;
  line-height: 1.8 !important;
}
body.typora-export #write li {
  margin-bottom: 0.3rem !important;
}

body.typora-export #write figure {
  margin: 1.25rem 0 !important;
  max-width: 100% !important;
  overflow-x: auto !important;
}

body.typora-export #write hr {
  border: none !important;
  height: 2px !important;
  margin: 1.5rem 0 !important;
  background: linear-gradient(90deg, transparent, var(--miku-primary), transparent) !important;
  opacity: 0.35 !important;
}

body.typora-export #write a {
  color: var(--miku-primary) !important;
  transition: color var(--dur-fast) var(--ease-smooth) !important;
}
body.typora-export #write a:hover {
  color: var(--miku-hover) !important;
}

body.typora-export #write .footnotes {
  opacity: 0.85 !important;
  font-size: 0.875rem !important;
  margin-top: 2rem !important;
  padding-top: 1rem !important;
  border-top: 1px solid rgba(var(--miku-primary-rgb), 0.15) !important;
}

body.typora-export #write .task-list-item {
  list-style: none !important;
}
body.typora-export #write .task-list-item input[type="checkbox"] {
  margin-right: 8px !important;
  accent-color: var(--miku-primary) !important;
}

body.typora-export #write sup.md-footnote {
  background: rgba(var(--miku-primary-rgb), 0.12) !important;
  color: var(--miku-primary) !important;
  padding: 2px 6px !important;
  border-radius: var(--radius-xs) !important;
  font-size: 0.8em !important;
}

body.typora-export #write strong {
  color: var(--text-heading) !important;
}

body.typora-export #write .md-fences-adv-panel {
  background: transparent !important;
}

body.typora-export #write .md-diagram-panel {
  background: var(--bg-card) !important;
  border: 1px solid rgba(var(--miku-primary-rgb), 0.15) !important;
  border-radius: var(--radius-md) !important;
  padding: 14px !important;
  margin: 1.25rem 0 !important;
}

body.typora-export #write .mathjax-block {
  margin: 1.25rem 0 !important;
  color: var(--text-body) !important;
}
body.typora-export #write .md-fences.md-fences-math {
  background: transparent !important;
  border: none !important;
}

/* --- Typora 内容包装器 --- */
.miku-typora-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 48px;
}

/* ================================================================
   27. 暗模式 Typora 补充
   ================================================================ */
body.miku-dark.typora-export #write pre,
body.miku-dark.typora-export #write .md-fences,
body.miku-dark.typora-export #write .md-fences-advanced:not(.md-focus) {
  background: #1a1a2e !important;
  border-color: rgba(var(--miku-primary-rgb), 0.2) !important;
}
body.miku-dark.typora-export #write .CodeMirror,
body.miku-dark.typora-export #write .CodeMirror-scroll,
body.miku-dark.typora-export #write .CodeMirror-sizer,
body.miku-dark.typora-export #write .CodeMirror-lines,
body.miku-dark.typora-export #write .CodeMirror-code {
  background: #1a1a2e !important;
}
body.miku-dark.typora-export #write .CodeMirror-gutters,
body.miku-dark.typora-export #write .CodeMirror-gutter {
  background: rgba(0, 0, 0, 0.25) !important;
}
body.miku-dark.typora-export #write .CodeMirror-linenumber {
  color: rgba(255, 255, 255, 0.18) !important;
}
body.miku-dark.typora-export #write .CodeMirror-activeline-background {
  background: rgba(var(--miku-primary-rgb), 0.08) !important;
}
body.miku-dark.typora-export #write table thead {
  background: var(--miku-hover) !important;
}
body.miku-dark.typora-export #write table tbody tr:nth-child(even) {
  background: rgba(var(--miku-primary-rgb), 0.04) !important;
}
body.miku-dark.typora-export #write img {
  border-color: rgba(var(--miku-primary-rgb), 0.15) !important;
}
body.miku-dark.typora-export #write .md-diagram-panel {
  background: var(--bg-card) !important;
  border-color: rgba(var(--miku-primary-rgb), 0.2) !important;
}
body.miku-dark.typora-export #write .md-diagram-panel svg {
  filter: brightness(0.9) !important;
}

/* ================================================================
   28. 暗模式导航与组件覆盖
   ================================================================ */
body.miku-dark .miku-header {
  background: rgba(15, 23, 42, 0.86);
  border-bottom-color: rgba(var(--miku-primary-rgb), 0.14);
}
body.miku-dark .miku-header.scrolled {
  background: rgba(15, 23, 42, 0.94);
}

body.miku-dark .miku-card {
  background: var(--bg-card);
  border-color: rgba(var(--miku-primary-rgb), 0.18);
  box-shadow: 0 0 0 1px rgba(var(--miku-primary-rgb), 0.05) inset, var(--shadow-card);
}
body.miku-dark .miku-card:hover {
  border-color: rgba(var(--miku-primary-rgb), 0.35);
}

body.miku-dark .miku-dropdown-menu {
  background: var(--bg-card);
}
body.miku-dark .miku-dropdown-menu::before {
  background: var(--bg-card);
  border-color: rgba(var(--miku-primary-rgb), 0.34);
}

body.miku-dark .sidebar-list a { color: var(--text-body); }
body.miku-dark .sidebar-list a:hover,
body.miku-dark .sidebar-list a.active {
  background: rgba(var(--miku-primary-rgb), 0.1);
  color: var(--miku-ice);
}
body.miku-dark .callout {
  background: rgba(var(--miku-primary-rgb), 0.06);
  border-color: rgba(var(--miku-primary-rgb), 0.14);
}
body.miku-dark .article-body h2,
body.miku-dark .article-body h3 { color: var(--text-heading); }

body.miku-dark .miku-loader { background: var(--bg-primary); }
body.miku-dark ::-webkit-scrollbar-thumb { background: rgba(var(--miku-primary-rgb), 0.2); }

/* ================================================================
   29. 响应式
   ================================================================ */
@media (max-width: 1200px) {
  :root {
    --content-px: 40px;
  }
}

@media (max-width: 1024px) {
  :root {
    --content-px: 28px;
  }
  .miku-layout-split {
    flex-direction: column;
  }
  .miku-layout-side {
    width: 100%;
    position: relative;
    top: 0;
    max-height: none;
    order: -1;
  }
  .miku-toc {
    max-height: 40vh;
    overflow-y: auto;
  }
  .miku-hero-card,
  .portal-card {
    padding: 40px 32px;
  }
  .miku-resume-header {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }
  .miku-resume-header::after { display: none; }
  .miku-article {
    padding: 32px 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --content-px: 20px;
    --nav-height: 56px;
  }

  .miku-nav-list {
    display: none;
  }
  .miku-menu-btn {
    display: flex;
  }

  .miku-hero-card,
  .portal-card {
    padding: 32px 22px;
  }
  .miku-hero-poem {
    font-size: 0.9rem;
    line-height: 2.1;
  }

  .miku-article {
    padding: 24px 20px;
  }
  .miku-hub-grid {
    grid-template-columns: 1fr;
  }
  .miku-resume-section {
    padding: 24px 20px;
  }
  .miku-typora-wrap {
    padding: 24px 20px;
  }
  .miku-toc {
    max-height: 45vh;
  }
  .miku-back-top {
    bottom: 22px;
    right: 18px;
  }
  .miku-page {
    padding-top: calc(var(--nav-height) + 16px);
  }
}

@media (max-width: 480px) {
  .miku-hero-title {
    font-size: 1.8rem;
  }
  .miku-hero-poem {
    font-size: 0.8rem;
    line-height: 1.9;
  }
  .miku-btn {
    padding: 10px 20px;
    font-size: 0.825rem;
  }
  .miku-header {
    padding: 0 16px;
  }
  .miku-layout-side {
    width: 100%;
  }
}

/* ================================================================
   30. 打印样式
   ================================================================ */
@media print {
  .miku-header,
  .miku-mobile-nav,
  .miku-back-top,
  .miku-progress-bar,
  .miku-toast,
  .miku-menu-btn,
  .miku-theme-toggle,
  .miku-layout-side,
  .miku-footer,
  .site-bg,
  .site-overlay,
  .miku-hero-bg,
  .miku-hero-overlay {
    display: none !important;
  }
  body {
    background: #fff !important;
    color: #000 !important;
  }
  .miku-page {
    padding-top: 0 !important;
  }
  .miku-article {
    padding: 0 !important;
  }
  a { color: #000 !important; }
}
