::view-transition-old(root), ::view-transition-new(root) { animation-duration: .25s; }
/* =========================================
Design Tokens (8 Themes + 10 Palette Themes)
========================================= */
/* [1] 玻璃淺色 Glass Light（預設；沒存過偏好時依系統深淺色自動選 Glass Light / Glass Dark） */
:root {
--bg: #eef1f8; --bg2: rgba(120, 120, 128, 0.08); --bg3: rgba(120, 120, 128, 0.14);
--text: #1d1d1f; --text2: #5f5f66; --text3: #86868b;
--border: rgba(0, 0, 0, 0.08); --brand: #0071e3; --brand-hover: #0077ed; --brand-bg: rgba(0, 113, 227, 0.12);
--code-bg: #f4f6fb; --code-text: #1d1d1f;
--shadow: 0 8px 32px rgba(31, 45, 90, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.85), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
/* 玻璃材質 token（只有 Glass Light / Glass Dark 用得到） */
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(0, 113, 227, 0.3), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(160, 90, 255, 0.26), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(255, 130, 170, 0.24), transparent 62%);
--g-panel: rgba(255, 255, 255, 0.55); --g-article: rgba(255, 255, 255, 0.76);
--g-drawer: rgba(255, 255, 255, 0.86); --g-strong: rgba(255, 255, 255, 0.9);
--g-inset: rgba(120, 120, 128, 0.12); --g-edge: rgba(255, 255, 255, 0.4);
--g-filter: saturate(180%) blur(28px);
--font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
--font-mono: "JetBrains Mono", "Fira Code", monospace;
--header-h: 60px;
}
@media (prefers-color-scheme: dark) {
:root:not([data-theme]) {
--bg: #07080d; --bg2: rgba(255, 255, 255, 0.06); --bg3: rgba(255, 255, 255, 0.1);
--text: #f5f5f7; --text2: #9a9aa1; --text3: #85858d;
--border: rgba(255, 255, 255, 0.12); --brand: #2997ff; --brand-hover: #4aa8ff; --brand-bg: rgba(41, 151, 255, 0.18);
--code-bg: #0f1219; --code-text: #f5f5f7;
--shadow: 0 8px 32px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.18), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(41, 151, 255, 0.32), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(150, 90, 255, 0.34), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(255, 69, 120, 0.2), transparent 62%);
--g-panel: rgba(38, 40, 50, 0.5); --g-article: rgba(30, 32, 42, 0.74);
--g-drawer: rgba(28, 30, 40, 0.88); --g-strong: rgba(66, 68, 80, 0.88);
--g-inset: rgba(255, 255, 255, 0.08); --g-edge: rgba(255, 255, 255, 0.1);
--g-filter: saturate(180%) blur(28px);
color-scheme: dark;
}
}
[data-theme="glass-light"] {
--bg: #eef1f8; --bg2: rgba(120, 120, 128, 0.08); --bg3: rgba(120, 120, 128, 0.14);
--text: #1d1d1f; --text2: #5f5f66; --text3: #86868b;
--border: rgba(0, 0, 0, 0.08); --brand: #0071e3; --brand-hover: #0077ed; --brand-bg: rgba(0, 113, 227, 0.12);
--code-bg: #f4f6fb; --code-text: #1d1d1f;
--shadow: 0 8px 32px rgba(31, 45, 90, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.85), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
/* 玻璃材質 token（只有 Glass Light / Glass Dark 用得到） */
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(0, 113, 227, 0.3), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(160, 90, 255, 0.26), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(255, 130, 170, 0.24), transparent 62%);
--g-panel: rgba(255, 255, 255, 0.55); --g-article: rgba(255, 255, 255, 0.76);
--g-drawer: rgba(255, 255, 255, 0.86); --g-strong: rgba(255, 255, 255, 0.9);
--g-inset: rgba(120, 120, 128, 0.12); --g-edge: rgba(255, 255, 255, 0.4);
--g-filter: saturate(180%) blur(28px);
color-scheme: light;
}

/* [2] 玻璃深色 Glass Dark */
[data-theme="glass-dark"] {
--bg: #07080d; --bg2: rgba(255, 255, 255, 0.06); --bg3: rgba(255, 255, 255, 0.1);
--text: #f5f5f7; --text2: #9a9aa1; --text3: #85858d;
--border: rgba(255, 255, 255, 0.12); --brand: #2997ff; --brand-hover: #4aa8ff; --brand-bg: rgba(41, 151, 255, 0.18);
--code-bg: #0f1219; --code-text: #f5f5f7;
--shadow: 0 8px 32px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.18), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(41, 151, 255, 0.32), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(150, 90, 255, 0.34), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(255, 69, 120, 0.2), transparent 62%);
--g-panel: rgba(38, 40, 50, 0.5); --g-article: rgba(30, 32, 42, 0.74);
--g-drawer: rgba(28, 30, 40, 0.88); --g-strong: rgba(66, 68, 80, 0.88);
--g-inset: rgba(255, 255, 255, 0.08); --g-edge: rgba(255, 255, 255, 0.1);
--g-filter: saturate(180%) blur(28px);
color-scheme: dark;
}

/* [2b] 經典淺色 / 經典深色（原始版本，變數逐字沿用；只多補 --radius，因為 :root 預設已改成玻璃版） */
[data-theme="light"] {
--bg: #ffffff; --bg2: #f6f8fa; --bg3: #eef1f5;
--text: #1f2328; --text2: #59636e; --text3: #8b949e;
--border: #d0d7de; --brand: #0969da; --brand-hover: #0550ae; --brand-bg: #ddf4ff;
--code-bg: #f6f8fa; --code-text: #1f2328; --shadow: 0 1px 3px rgba(0,0,0,0.05);
--radius: 6px; color-scheme: light;
}
[data-theme="dark"] {
--bg: #0d1117; --bg2: #161b22; --bg3: #21262d;
--text: #e6edf3; --text2: #8b949e; --text3: #6e7681;
--border: #30363d; --brand: #2f81f7; --brand-hover: #58a6ff; --brand-bg: #1c2b3f;
--code-bg: #161b22; --code-text: #e6edf3; --shadow: 0 1px 3px rgba(0,0,0,0.3);
--radius: 6px; color-scheme: dark;
}

/* [3] Orbital (深空終端) */
[data-theme="orbital"] {
--bg: #030508; --bg2: #0a0f1a; --bg3: #111827;
--text: #e2e8f0; --text2: #94a3b8; --text3: #64748b;
--border: #1e293b; --brand: #38bdf8; --brand-hover: #7dd3fc; --brand-bg: rgba(56, 189, 248, 0.1);
--code-bg: #0f172a; --code-text: #38bdf8;
--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5); --radius: 4px;
--font-main: 'Inter', "Noto Sans TC", sans-serif;
}
[data-theme="orbital"] body::before {
content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
background-image: linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
background-size: 40px 40px;
}

/* [4] Quantum (量子全息) */
[data-theme="quantum"] {
--bg: #090514; --bg2: rgba(255, 255, 255, 0.03); --bg3: rgba(255, 255, 255, 0.08);
--text: #f8fafc; --text2: #cbd5e1; --text3: #94a3b8;
--border: rgba(255, 255, 255, 0.08); --brand: #a855f7; --brand-hover: #c084fc; --brand-bg: rgba(168, 85, 247, 0.15);
--code-bg: rgba(0, 0, 0, 0.3); --code-text: #e879f9;
--shadow: 0 8px 32px rgba(168, 85, 247, 0.15); --radius: 16px;
}
[data-theme="quantum"] body::before {
content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
background: radial-gradient(circle at 10% 20%, rgba(168, 85, 247, 0.15), transparent 40%), radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.1), transparent 40%);
}
[data-theme="quantum"] .site-header, [data-theme="quantum"] .toc-nav, [data-theme="quantum"] .code-block, [data-theme="quantum"] .data-table, [data-theme="quantum"] .guide-card {
backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.1);
}

/* [5] Monolith (巨物檔案) */
[data-theme="monolith"] {
--bg: #121212; --bg2: #1a1a1a; --bg3: #242424;
--text: #ffffff; --text2: #a3a3a3; --text3: #737373;
--border: #333333; --brand: #ef4444; --brand-hover: #f87171; --brand-bg: rgba(239, 68, 68, 0.1);
--code-bg: #0a0a0a; --code-text: #facc15;
--shadow: none; --radius: 0px;
}
[data-theme="monolith"] h1, [data-theme="monolith"] h2 { text-transform: uppercase; letter-spacing: 0.05em; }

/* [6] Cyber (賽博科技) */
[data-theme="cyber"] {
--bg: #050811; --bg2: #0b1122; --bg3: #121b34;
--text: #c5d6e6; --text2: #708aa4; --text3: #42556a;
--border: #1a2f4c; --brand: #00f0ff; --brand-hover: #66f5ff; --brand-bg: rgba(0, 240, 255, 0.12);
--code-bg: #02050c; --code-text: #00f0ff;
--shadow: 0 0 15px rgba(0, 240, 255, 0.3); --radius: 2px;
--font-main: "JetBrains Mono", "Noto Sans TC", monospace;
}
[data-theme="cyber"] body::before {
content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
background-image: linear-gradient(rgba(0, 240, 255, 0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 240, 255, 0.015) 1px, transparent 1px);
background-size: 20px 20px;
}
[data-theme="cyber"] h1, [data-theme="cyber"] h2, [data-theme="cyber"] h3 { text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 2px dashed var(--border); }
[data-theme="cyber"] .code-block::before {
content: "SYSTEM LOG // TERMINAL"; display: block; background: var(--bg3); padding: 4px 16px; font-size: 10px; font-weight: 700; color: var(--text3); letter-spacing: 0.1em; border-bottom: 1px solid var(--border);
}

/* =========================================
2. Base & Typography
========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
font-family: var(--font-main); background: var(--bg); color: var(--text);
line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased;
min-height: 100vh;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-hover); text-decoration: underline; }
h1, h2, h3 { line-height: 1.3; margin-top: 2em; margin-bottom: 0.8em; font-weight: 600; }
h1 { font-size: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
h2 { font-size: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
h3 { font-size: 1.2rem; }
p { margin-bottom: 1em; }
ul, ol { margin-bottom: 1em; padding-left: 1.5em; }
code {
font-family: var(--font-mono); background: var(--code-bg); color: var(--code-text);
padding: 0.2em 0.4em; border-radius: var(--radius); font-size: 0.9em; border: 1px solid var(--border);
}

/* =========================================
3. Header & Theme Switcher
========================================= */
.site-header {
position: sticky; top: 0; z-index: 100; height: 60px; background: var(--bg2);
border-bottom: 1px solid var(--border); display: flex; align-items: center;
}
.header-inner {
width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 24px;
display: flex; align-items: center; gap: 16px;
}
.toc-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--text); cursor: pointer; }
.breadcrumb { font-size: 14px; color: var(--text2); flex: 1; }
.breadcrumb a { color: var(--text2); }
.bc-sep { margin: 0 8px; }
.theme-switcher { display: flex; gap: 6px; flex-wrap: wrap; }
.theme-btn {
background: transparent; border: 1px solid var(--border); color: var(--text3);
padding: 4px 8px; font-family: var(--font-mono); font-size: 11px;
cursor: pointer; border-radius: var(--radius); transition: all 0.2s; white-space: nowrap;
}
.theme-btn:hover { color: var(--text); border-color: var(--brand); }
.theme-btn svg { width: 1em; height: 1em; display: block; fill: currentColor; }
.theme-btn.active { background: var(--brand); color: var(--bg); border-color: var(--brand); font-weight: bold; }

/* =========================================
4. Layout & TOC
========================================= */
.page-layout { display: grid; grid-template-columns: 260px 1fr; max-width: 1400px; margin: 0 auto; }
.toc-nav {
position: sticky; top: 60px; height: calc(100vh - 60px); overflow-y: auto; padding: 24px 16px;
border-right: 1px solid var(--border); background: var(--bg);
scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.toc-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.toc-title { font-weight: 600; font-size: 14px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; }
.toc-close { display: none; background: none; border: none; font-size: 20px; color: var(--text2); cursor: pointer; }
.toc-search-hint { font-size: 12px; color: var(--text3); margin-bottom: 16px; }
.toc-list { list-style: none; padding: 0; }
.toc-item {
display: block; padding: 8px 12px; margin: 2px 0; font-size: 14px; color: var(--text2);
border-radius: var(--radius); border-left: 2px solid transparent; transition: all 0.15s; text-decoration: none;
}
.toc-item:hover { color: var(--text); background: var(--bg2); text-decoration: none; }
.toc-item.active { color: var(--brand); background: var(--brand-bg); border-left-color: var(--brand); font-weight: 500; }
.toc-overlay { display: none; }
.main-content { padding: 32px 48px 64px; min-width: 0; max-width: 900px; }

/* =========================================
5. Components
========================================= */
.data-table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 14px; border-radius: var(--radius); overflow: hidden; display: table; }
.data-table th, .data-table td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.data-table th { background: var(--bg2); font-weight: 600; }
.data-table tr:nth-child(even) { background: var(--bg2); }
.code-block {
position: relative; background: var(--code-bg); border: 1px solid var(--border);
border-radius: var(--radius); margin: 1.5em 0; overflow: hidden;
}
.code-block pre { padding: 16px; overflow-x: auto; margin: 0; font-size: 14px; line-height: 1.5; color: var(--code-text); }
.code-block code { background: none; padding: 0; border: none; color: inherit; }

/* 沒包 .code-block 的裸 <pre><code>（例如 tls-cert.html）：整塊顯示成一個區塊，過長時可橫向捲動 */
:not(.code-block) > pre { margin: 1.2em 0; }
:not(.code-block) > pre > code { display: block; background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; overflow-x: auto; line-height: 1.5; color: var(--code-text); }
.copy-btn {
position: absolute; top: 8px; right: 8px; background: var(--bg3); border: 1px solid var(--border);
border-radius: var(--radius); padding: 4px 10px; font-size: 12px; color: var(--text2); cursor: pointer; opacity: 0; transition: opacity 0.2s;
}
.code-block:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: var(--brand-bg); color: var(--brand); }

/* 語法高亮（highlight.js）配色，沿用既有主題變數，不另外挑一套固定色票，
   這樣切換 6 套主題時，高亮顏色會跟著主題一起變，不會有某個主題配色衝突看不清楚。
   套用範圍：全站任何 .code-block 裡的 <pre><code> 都吃得到，只要頁面有載入 highlight.js。 */
.hljs { background: none; color: var(--code-text); }
.hljs-comment, .hljs-quote { color: var(--text3); font-style: italic; }
.hljs-keyword, .hljs-selector-tag, .hljs-literal, .hljs-type,
.hljs-built_in, .hljs-title.function_ { color: var(--brand); font-weight: 600; }
.hljs-string, .hljs-doctag, .hljs-regexp { color: var(--code-text); }
.hljs-number { color: var(--brand-hover); }
.hljs-title, .hljs-title.class_, .hljs-section, .hljs-name { color: var(--text); font-weight: 600; }
.hljs-variable, .hljs-template-variable, .hljs-attr,
.hljs-property, .hljs-attribute { color: var(--text2); }
.hljs-symbol, .hljs-bullet, .hljs-link, .hljs-meta { color: var(--brand-hover); }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: bold; }
.hljs-deletion { background: rgba(239, 68, 68, 0.15); }
.hljs-addition { background: rgba(34, 197, 94, 0.15); }
.alert { padding: 12px 16px; border-radius: var(--radius); margin: 1.5em 0; border-left: 4px solid; font-size: 14px; background: var(--bg2); }
.alert-info { border-color: var(--brand); }
.alert-warning { border-color: #f59e0b; }
.alert-danger { border-color: #ef4444; }
.cross-link::after { content: " ↗"; font-size: 0.8em; vertical-align: super; }

/* =========================================
6. Footer
========================================= */
.page-footer { border-top: 1px solid var(--border); margin-top: 64px; padding: 24px 48px; font-size: 14px; color: var(--text3); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-nav { display: flex; gap: 24px; }
.btn-top, .btn-home { color: var(--text2); text-decoration: none; }
.btn-top:hover, .btn-home:hover { color: var(--brand); }

/* =========================================
7. Index Page (Cards) - 已將 hero-title 改為 800 粗體
========================================= */
.guide-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; padding: 2rem 3rem 6rem; max-width: 1200px; margin: 0 auto; }
.guide-card {
background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius);
padding: 2rem; display: flex; flex-direction: column; gap: 1rem; text-decoration: none; color: var(--text); transition: all 0.3s;
}
.guide-card:hover { border-color: var(--brand); transform: translateY(-4px); box-shadow: var(--shadow); text-decoration: none; }
.card-icon { font-size: 2rem; color: var(--brand); }
.card-title { font-size: 1.5rem; font-weight: 600; margin: 0; border: none; }
.card-desc { color: var(--text2); font-size: 0.95rem; flex: 1; margin: 0; }

/* =========================================
8. RWD & Mobile Drawer
========================================= */
/* =========================================
   7. RWD & Mobile Drawer (響應式與手機版抽屜)
========================================= */
@media (max-width: 960px) {
  /* --- 基礎佈局切換 --- */
  .page-layout { grid-template-columns: 1fr; }
  .toc-toggle { display: block; }
  
  /* --- TOC 抽選單動畫 --- */
  .toc-nav {
    position: fixed; top: 0; left: -280px; width: 280px; height: 100vh;
    z-index: 200; transition: left 0.3s ease; box-shadow: var(--shadow);
  }
  .toc-nav.open { left: 0; }
  .toc-close { display: block; }
  
  /* --- 遮罩層 --- */
  .toc-overlay { 
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(0,0,0,0.5); z-index: 150; 
  }
  .toc-overlay.open { display: block; }
  
  /* --- 內容區間距調整 --- */
  .main-content { padding: 24px 20px 64px; }
  .page-footer { padding: 24px 20px; }
  .hero-section, .guide-cards { padding-left: 1.5rem; padding-right: 1.5rem; }

  /* --- 手機版 Header 專屬修復 (防止擠壓與點擊失效) --- */
  .header-inner {
    flex-wrap: wrap;       /* 允許換行 */
    gap: 8px;              /* 縮小間距 */
    padding: 8px 16px;     /* 縮小左右內距 */
  }
  
  /* TOC 按鈕定位在最左側 */
  .toc-toggle {
    order: -1;             /* 確保 ☰ 按鈕在第一順位 */
    margin-right: auto;    /* 把後面的元素推到右邊 */
  }

  /* 麵包屑佔滿第二行，並確保足夠大的點擊熱區 */
  .breadcrumb {
    flex: 1 1 100%;        /* 強制換行並佔滿寬度 */
    font-size: 13px;
    min-height: 32px;      
    display: flex;
    align-items: center;
    order: 1;              /* 放在 TOC 按鈕之後 */
  }
  
  .breadcrumb a {
    padding: 4px 8px 4px 0;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
  }
  
  /* 主題切換器佔滿第三行，允許橫向滑動以容納多按鈕 */
  .theme-switcher {
    width: 100%;           
    justify-content: flex-start;
    gap: 4px;
    overflow-x: auto;      /* 按鈕太多時可橫向滑動 */
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    order: 2;              /* 放在最後 */
  }
  
  /* 手機版主題按鈕縮小，防止變形 */
  .theme-btn {
    padding: 3px 6px;
    font-size: 9px;
    flex-shrink: 0;        /* 防止按鈕被壓縮變形 */
    white-space: nowrap;   /* 防止文字斷行 */
  }
  
  /* 確保選中的按鈕在手機版依然明顯 */
  .theme-btn.active {
    font-weight: bold;
    border-color: var(--brand);
  }
  /* 手機版 Header 修復結束 */
  .site-header {
    height: auto;          /* 加這行，覆蓋固定 60px */
    min-height: var(--header-h);
  }
}

/* --- 小螢幕手機版：表格卡片化 --- */
@media (max-width: 640px) {
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr { 
    border: 1px solid var(--border); 
    border-radius: var(--radius); 
    padding: 12px; 
    margin-bottom: 16px; 
    background: var(--bg2); 
  }
  .data-table td { 
    border: none; 
    padding: 6px 0; 
    text-align: left; 
    display: flex; 
    justify-content: space-between; 
    gap: 12px; 
  }
  .data-table td::before { 
    content: attr(data-label); 
    font-weight: 600; 
    color: var(--text2); 
    flex-shrink: 0; 
  }
}

/* =========================================
   Logo 與 Hero 專屬科技感樣式
   ========================================= */

/* 頂部 Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono); /* 使用等寬字體 */
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.logo-icon { 
  color: var(--brand); 
  font-size: 1.5rem; 
  text-shadow: 0 0 10px var(--brand-bg); /* 圖示發光 */
}
.logo-text {
  color: var(--text);
}

/* Hero 標籤 */
.hero-tag {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--brand);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Hero 大標題 (您之前喜歡的版本：調整過間距、粗體/大寫、發光) */
.hero-section { 
  padding: 2rem 3rem 3rem; /* 上方間距已收緊 */
  max-width: 1200px; 
  margin: 0 auto; 
  text-align: center; 
}

.hero-title {
  font-family: var(--font-main);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  margin-top: 0; 
  font-weight: 800; /* 極粗體 (若想改回優雅細體，請改為 300) */
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  color: var(--brand);
  text-shadow: 0 0 20px var(--brand-bg); /* 文字霓虹發光 */
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text2);
  max-width: 700px;
  margin: 0 auto;
}

/* =========================================
9. Glass Layer（僅 Glass Light / Glass Dark）
   作用範圍：data-theme 不是 light / dark / orbital / quantum / monolith / cyber 時才生效
   （含「沒存過偏好、跟隨系統」的情況）。要調質感，改最上面的 --g-* token 即可。
========================================= */
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) {
  scrollbar-width: thin;
  scrollbar-color: rgba(128, 128, 138, 0.5) transparent;
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: var(--g-blobs);
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) :focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* --- Header：玻璃頂欄 + 膠囊主題切換 --- */
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .site-header {
  background: var(--g-panel);
  -webkit-backdrop-filter: var(--g-filter); backdrop-filter: var(--g-filter);
  border-bottom: 1px solid var(--border);
  box-shadow: inset 0 1px 0 var(--g-edge);
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .theme-switcher {
  display: inline-flex; flex-wrap: nowrap; gap: 2px; padding: 3px; flex-shrink: 0;
  width: auto; overflow: visible;
  background: var(--g-inset); border-radius: 980px;
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .theme-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 28px; padding: 0; border: none; border-radius: 980px;
  background: transparent; color: var(--text3); font-size: 16px; line-height: 1;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .theme-btn:hover { color: var(--text); }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .theme-btn.active {
  background: var(--g-strong); color: var(--brand); font-weight: inherit;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-toggle, :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-close { border-radius: 10px; }

/* --- 目錄 TOC --- */
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-nav { border-right: none; background: var(--g-panel); }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-title { text-transform: none; letter-spacing: 0; font-size: 12px; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-item { border-left: none; border-radius: 10px; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-item:hover { background: var(--g-inset); }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-item.active { background: var(--brand-bg); color: var(--brand); border-left: none; font-weight: 600; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-nav:not(:hover) { scrollbar-color: transparent transparent; }

/* --- 文章面板：比 dashboard 更不透明，長文閱讀比較舒服。
       面板後面只有固定的光暈漸層，模糊看不出差別，所以不加 backdrop-filter，捲動也比較順 --- */
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .main-content {
  background: var(--g-article); border-radius: 20px; box-shadow: var(--shadow);
  max-width: 1000px;
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .main-content > h1:first-child { margin-top: 0; }

/* --- 元件 --- */
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) code { border-radius: 6px; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .code-block { border-radius: 12px; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .copy-btn { border-radius: 980px; padding: 4px 12px; background: var(--g-strong); }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .copy-btn:hover { background: var(--brand-bg); color: var(--brand); }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .data-table { border-radius: 12px; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .alert { border-radius: 12px; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .card, :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .flow-box { border-radius: 14px; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .detail-panel { border-radius: 16px; }

/* --- Footer：連結改膠囊 --- */
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .footer-nav { gap: 8px; flex-wrap: wrap; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .btn-top, :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .btn-home {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px;
  background: var(--g-inset); border-radius: 980px; color: var(--text2);
  transition: background 0.2s ease, color 0.2s ease;
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .btn-top:hover, :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .btn-home:hover { background: var(--brand-bg); color: var(--brand); text-decoration: none; }

/* --- 首頁卡片 --- */
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .guide-card { background: var(--g-panel); border-radius: 20px; box-shadow: var(--shadow); }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .guide-card:hover { background: var(--g-strong); border-color: var(--brand); transform: translateY(-3px); }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--brand-bg); font-size: 1.6rem;
}

/* --- 桌面：目錄與文章都變成浮動玻璃面板 --- */
@media (min-width: 961px) {
  :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-nav {
    top: calc(var(--header-h) + 14px); height: calc(100vh - var(--header-h) - 28px);
    margin: 14px 0 14px 16px; padding: 14px 12px; border-radius: 16px;
    box-shadow: var(--shadow);
  }
  :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .main-content { margin: 14px 16px 14px 16px; }
}

/* --- 手機：抽屜用較不透明的玻璃 + 模糊，文章面板縮小邊距 --- */
@media (max-width: 960px) {
  :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-nav {
    background: var(--g-drawer);
    -webkit-backdrop-filter: var(--g-filter); backdrop-filter: var(--g-filter);
    border-radius: 0 16px 16px 0;
  }
  :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-overlay { background: rgba(0, 0, 0, 0.32); }
  :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .main-content { margin: 10px; border-radius: 18px; }
}

/* 不支援 backdrop-filter 時，改用較不透明的底 */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .site-header { background: var(--g-strong); }
  @media (max-width: 960px) { :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .toc-nav { background: var(--g-strong); } }
}
@media (prefers-reduced-motion: reduce) {
  :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) *, :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) *::before, :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) *::after { transition: none !important; }
}

/* 行內 Tabler 圖示（取代 emoji）*/
.ti-inline {
  vertical-align: -0.125em;
  margin-right: 0.3em;
}
.ti-inline.ti-circle-check { color: #22c55e; }
.ti-inline.ti-circle-x     { color: #ef4444; }
.ti-inline.ti-alert-triangle,
.ti-inline.ti-alert-octagon { color: #f59e0b; }

/* =========================================
10. Palette Themes（十合一配色主題）
   data-theme 以 p- 開頭。這些名稱不在上面第 9 節的排除清單裡，所以會自動套用玻璃層；
   這裡只需要定義色彩 token。要新增配色主題：複製一個區塊、改 token，再到 shared.js 的 PALETTES 加一筆。
   --on-brand：放在 --brand 底色上的文字色；--on-grad：放在 --accent-grad 漸層上的文字色。
========================================= */
[data-theme="p-candy"] {
--bg: #f6ffe6;
--bg2: rgba(59, 42, 42, 0.06);
--bg3: rgba(59, 42, 42, 0.11);
--text: #3b2a2a;
--text2: #6d645c;
--text3: #7f776e;
--border: rgba(59, 42, 42, 0.13);
--brand: #a05555;
--brand-hover: #8a4949;
--brand-bg: rgba(243, 129, 129, 0.24);
--code-bg: #fffef8;
--code-text: #3b2a2a;
--shadow: 0 8px 32px rgba(160, 85, 85, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(243, 129, 129, 0.55), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(252, 227, 138, 0.7), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(149, 225, 211, 0.7), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(243, 129, 129, 0.35), transparent 62%), linear-gradient(160deg, #f6ffe6, #fff6d6);
--g-panel: rgba(255, 253, 242, 0.55);
--g-article: rgba(255, 253, 242, 0.8);
--g-drawer: rgba(255, 253, 242, 0.9);
--g-strong: rgba(255, 253, 242, 0.92);
--g-inset: rgba(59, 42, 42, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #3b2a2a;
--accent-grad: linear-gradient(135deg, #F38181, #FCE38A);
--title-grad: linear-gradient(90deg, #d16f6f, #9c8d56);
--nav-grad: linear-gradient(90deg, rgba(243, 129, 129, 0.28), rgba(255, 253, 242, 0.6) 38%, rgba(255, 253, 242, 0.6) 62%, rgba(252, 227, 138, 0.28));
--active-bg: linear-gradient(90deg, rgba(243, 129, 129, 0.32), rgba(252, 227, 138, 0.2));
--line: linear-gradient(90deg, transparent, #F38181, #FCE38A, transparent);
--glow: 0 0 24px -4px rgba(243, 129, 129, 0.7);
color-scheme: light;
}
[data-theme="p-ocean"] {
--bg: #e4e9f3;
--bg2: rgba(17, 45, 78, 0.06);
--bg3: rgba(17, 45, 78, 0.11);
--text: #112D4E;
--text2: #4a5f7a;
--text3: #5e728a;
--border: rgba(17, 45, 78, 0.13);
--brand: #39679e;
--brand-hover: #315988;
--brand-bg: rgba(63, 114, 175, 0.24);
--code-bg: #fcfbfb;
--code-text: #112D4E;
--shadow: 0 8px 32px rgba(57, 103, 158, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(63, 114, 175, 0.45), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(17, 45, 78, 0.22), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(219, 226, 239, 1), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(63, 114, 175, 0.3), transparent 62%), linear-gradient(160deg, #e4e9f3, #f9f7f7);
--g-panel: rgba(249, 247, 247, 0.55);
--g-article: rgba(249, 247, 247, 0.8);
--g-drawer: rgba(249, 247, 247, 0.9);
--g-strong: rgba(249, 247, 247, 0.92);
--g-inset: rgba(17, 45, 78, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #ffffff;
--accent-grad: linear-gradient(135deg, #3F72AF, #112D4E);
--title-grad: linear-gradient(90deg, #3F72AF, #112D4E);
--nav-grad: linear-gradient(90deg, rgba(63, 114, 175, 0.28), rgba(249, 247, 247, 0.6) 38%, rgba(249, 247, 247, 0.6) 62%, rgba(17, 45, 78, 0.28));
--active-bg: linear-gradient(90deg, rgba(63, 114, 175, 0.32), rgba(17, 45, 78, 0.2));
--line: linear-gradient(90deg, transparent, #3F72AF, #112D4E, transparent);
--glow: 0 0 24px -4px rgba(63, 114, 175, 0.7);
color-scheme: light;
}
[data-theme="p-navy"] {
--bg: #121e2a;
--bg2: rgba(234, 224, 207, 0.06);
--bg3: rgba(234, 224, 207, 0.1);
--text: #EAE0CF;
--text2: #a9a69d;
--text3: #93928c;
--border: rgba(234, 224, 207, 0.16);
--brand: #94B4C1;
--brand-hover: #a9c3cd;
--brand-bg: rgba(148, 180, 193, 0.22);
--code-bg: #0c141b;
--code-text: #EAE0CF;
--shadow: 0 8px 32px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(234, 224, 207, 0.16), inset 0 0 0 1px rgba(234, 224, 207, 0.07);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(84, 119, 146, 0.65), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(148, 180, 193, 0.32), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(234, 224, 207, 0.18), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(84, 119, 146, 0.4), transparent 62%), linear-gradient(160deg, #121e2a, #1b2d3e);
--g-panel: rgba(33, 52, 72, 0.5);
--g-article: rgba(27, 43, 60, 0.76);
--g-drawer: rgba(28, 45, 63, 0.9);
--g-strong: rgba(57, 73, 88, 0.9);
--g-inset: rgba(234, 224, 207, 0.08);
--g-edge: rgba(234, 224, 207, 0.1);
--g-filter: saturate(180%) blur(28px);
--on-brand: #121e2a;
--on-grad: #121e2a;
--accent-grad: linear-gradient(135deg, #94B4C1, #EAE0CF);
--title-grad: linear-gradient(90deg, #94B4C1, #EAE0CF);
--nav-grad: linear-gradient(90deg, rgba(148, 180, 193, 0.22), rgba(18, 30, 42, 0.6) 38%, rgba(18, 30, 42, 0.6) 62%, rgba(234, 224, 207, 0.22));
--active-bg: linear-gradient(90deg, rgba(148, 180, 193, 0.34), rgba(234, 224, 207, 0.2));
--line: linear-gradient(90deg, transparent, #94B4C1, #EAE0CF, transparent);
--glow: 0 0 26px -4px rgba(148, 180, 193, 0.6);
color-scheme: dark;
}
[data-theme="p-tropic"] {
--bg: #fff6d6;
--bg2: rgba(27, 47, 59, 0.06);
--bg3: rgba(27, 47, 59, 0.11);
--text: #1b2f3b;
--text2: #586565;
--text3: #6f7773;
--border: rgba(27, 47, 59, 0.13);
--brand: #945e21;
--brand-hover: #7f511c;
--brand-bg: rgba(255, 162, 57, 0.24);
--code-bg: #fffef8;
--code-text: #1b2f3b;
--shadow: 0 8px 32px rgba(148, 94, 33, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(140, 228, 255, 0.6), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(255, 162, 57, 0.5), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(254, 238, 145, 0.9), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(255, 86, 86, 0.35), transparent 62%), linear-gradient(160deg, #fff6d6, #e0f6ff);
--g-panel: rgba(255, 253, 240, 0.55);
--g-article: rgba(255, 253, 240, 0.8);
--g-drawer: rgba(255, 253, 240, 0.9);
--g-strong: rgba(255, 253, 240, 0.92);
--g-inset: rgba(27, 47, 59, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #1b2f3b;
--accent-grad: linear-gradient(135deg, #FFA239, #FF5656);
--title-grad: linear-gradient(90deg, #bd782a, #f05151);
--nav-grad: linear-gradient(90deg, rgba(255, 162, 57, 0.28), rgba(255, 253, 240, 0.6) 38%, rgba(255, 253, 240, 0.6) 62%, rgba(255, 86, 86, 0.28));
--active-bg: linear-gradient(90deg, rgba(255, 162, 57, 0.32), rgba(255, 86, 86, 0.2));
--line: linear-gradient(90deg, transparent, #FFA239, #FF5656, transparent);
--glow: 0 0 24px -4px rgba(255, 162, 57, 0.7);
color-scheme: light;
}
[data-theme="p-bubble"] {
--bg: #fcfbe8;
--bg2: rgba(31, 42, 68, 0.06);
--bg3: rgba(31, 42, 68, 0.11);
--text: #1f2a44;
--text2: #5a6370;
--text3: #707680;
--border: rgba(31, 42, 68, 0.13);
--brand: #2d72a8;
--brand-hover: #276290;
--brand-bg: rgba(254, 158, 199, 0.24);
--code-bg: #fffefa;
--code-text: #1f2a44;
--shadow: 0 8px 32px rgba(45, 114, 168, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(254, 158, 199, 0.6), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(68, 172, 255, 0.5), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(137, 212, 255, 0.65), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(254, 158, 199, 0.35), transparent 62%), linear-gradient(160deg, #fcfbe8, #e3f3ff);
--g-panel: rgba(255, 254, 245, 0.55);
--g-article: rgba(255, 254, 245, 0.8);
--g-drawer: rgba(255, 254, 245, 0.9);
--g-strong: rgba(255, 254, 245, 0.92);
--g-inset: rgba(31, 42, 68, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #1f2a44;
--accent-grad: linear-gradient(135deg, #FE9EC7, #44ACFF);
--title-grad: linear-gradient(90deg, #bc7593, #3990d6);
--nav-grad: linear-gradient(90deg, rgba(254, 158, 199, 0.28), rgba(255, 254, 245, 0.6) 38%, rgba(255, 254, 245, 0.6) 62%, rgba(68, 172, 255, 0.28));
--active-bg: linear-gradient(90deg, rgba(254, 158, 199, 0.32), rgba(68, 172, 255, 0.2));
--line: linear-gradient(90deg, transparent, #FE9EC7, #44ACFF, transparent);
--glow: 0 0 24px -4px rgba(254, 158, 199, 0.7);
color-scheme: light;
}
[data-theme="p-dream"] {
--bg: #fff7ea;
--bg2: rgba(53, 38, 74, 0.06);
--bg3: rgba(53, 38, 74, 0.11);
--text: #35264a;
--text2: #6c5f75;
--text3: #7f7284;
--border: rgba(53, 38, 74, 0.13);
--brand: #71658d;
--brand-hover: #615779;
--brand-bg: rgba(255, 143, 143, 0.24);
--code-bg: #fffcf8;
--code-text: #35264a;
--shadow: 0 8px 32px rgba(113, 101, 141, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(255, 143, 143, 0.5), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(183, 163, 227, 0.6), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(194, 226, 250, 0.8), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(255, 143, 143, 0.3), transparent 62%), linear-gradient(160deg, #fff7ea, #eef5fd);
--g-panel: rgba(255, 250, 240, 0.55);
--g-article: rgba(255, 250, 240, 0.8);
--g-drawer: rgba(255, 250, 240, 0.9);
--g-strong: rgba(255, 250, 240, 0.92);
--g-inset: rgba(53, 38, 74, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #35264a;
--accent-grad: linear-gradient(135deg, #FF8F8F, #B7A3E3);
--title-grad: linear-gradient(90deg, #c77070, #9282b6);
--nav-grad: linear-gradient(90deg, rgba(255, 143, 143, 0.28), rgba(255, 250, 240, 0.6) 38%, rgba(255, 250, 240, 0.6) 62%, rgba(183, 163, 227, 0.28));
--active-bg: linear-gradient(90deg, rgba(255, 143, 143, 0.32), rgba(183, 163, 227, 0.2));
--line: linear-gradient(90deg, transparent, #FF8F8F, #B7A3E3, transparent);
--glow: 0 0 24px -4px rgba(255, 143, 143, 0.7);
color-scheme: light;
}
[data-theme="p-sorbet"] {
--bg: #e4f7ea;
--bg2: rgba(58, 42, 56, 0.06);
--bg3: rgba(58, 42, 56, 0.11);
--text: #3a2a38;
--text2: #686268;
--text3: #787579;
--border: rgba(58, 42, 56, 0.13);
--brand: #866074;
--brand-hover: #735364;
--brand-bg: rgba(249, 178, 215, 0.24);
--code-bg: #fdfff8;
--code-text: #3a2a38;
--shadow: 0 8px 32px rgba(134, 96, 116, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(249, 178, 215, 0.7), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(207, 236, 243, 1), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(246, 255, 220, 1), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(249, 178, 215, 0.4), transparent 62%), linear-gradient(160deg, #e4f7ea, #fdfff0);
--g-panel: rgba(251, 255, 242, 0.55);
--g-article: rgba(251, 255, 242, 0.8);
--g-drawer: rgba(251, 255, 242, 0.9);
--g-strong: rgba(251, 255, 242, 0.92);
--g-inset: rgba(58, 42, 56, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #3a2a38;
--accent-grad: linear-gradient(135deg, #F9B2D7, #CFECF3);
--title-grad: linear-gradient(90deg, #a97992, #78898d);
--nav-grad: linear-gradient(90deg, rgba(249, 178, 215, 0.28), rgba(251, 255, 242, 0.6) 38%, rgba(251, 255, 242, 0.6) 62%, rgba(207, 236, 243, 0.28));
--active-bg: linear-gradient(90deg, rgba(249, 178, 215, 0.32), rgba(207, 236, 243, 0.2));
--line: linear-gradient(90deg, transparent, #F9B2D7, #CFECF3, transparent);
--glow: 0 0 24px -4px rgba(249, 178, 215, 0.7);
color-scheme: light;
}
[data-theme="p-blush"] {
--bg: #fbe9ea;
--bg2: rgba(61, 44, 62, 0.06);
--bg3: rgba(61, 44, 62, 0.11);
--text: #3d2c3e;
--text2: #705f6d;
--text3: #82717c;
--border: rgba(61, 44, 62, 0.13);
--brand: #6e6476;
--brand-hover: #5f5665;
--brand-bg: rgba(245, 203, 203, 0.24);
--code-bg: #fffafa;
--code-text: #3d2c3e;
--shadow: 0 8px 32px rgba(110, 100, 118, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(245, 203, 203, 0.95), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(197, 179, 211, 0.75), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(255, 226, 226, 1), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(197, 179, 211, 0.45), transparent 62%), linear-gradient(160deg, #fbe9ea, #efe8f5);
--g-panel: rgba(255, 246, 246, 0.55);
--g-article: rgba(255, 246, 246, 0.8);
--g-drawer: rgba(255, 246, 246, 0.9);
--g-strong: rgba(255, 246, 246, 0.92);
--g-inset: rgba(61, 44, 62, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #3d2c3e;
--accent-grad: linear-gradient(135deg, #F5CBCB, #C5B3D3);
--title-grad: linear-gradient(90deg, #937a7a, #8a7d94);
--nav-grad: linear-gradient(90deg, rgba(245, 203, 203, 0.28), rgba(255, 246, 246, 0.6) 38%, rgba(255, 246, 246, 0.6) 62%, rgba(197, 179, 211, 0.28));
--active-bg: linear-gradient(90deg, rgba(245, 203, 203, 0.32), rgba(197, 179, 211, 0.2));
--line: linear-gradient(90deg, transparent, #F5CBCB, #C5B3D3, transparent);
--glow: 0 0 24px -4px rgba(245, 203, 203, 0.7);
color-scheme: light;
}
[data-theme="p-mocha"] {
--bg: #eee7df;
--bg2: rgba(47, 38, 29, 0.06);
--bg3: rgba(47, 38, 29, 0.11);
--text: #2f261d;
--text2: #686057;
--text3: #7c736b;
--border: rgba(47, 38, 29, 0.13);
--brand: #75695a;
--brand-hover: #655a4d;
--brand-bg: rgba(201, 181, 156, 0.24);
--code-bg: #fcfcfa;
--code-text: #2f261d;
--shadow: 0 8px 32px rgba(117, 105, 90, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(201, 181, 156, 0.6), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(217, 207, 199, 1), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(249, 248, 246, 1), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(201, 181, 156, 0.4), transparent 62%), linear-gradient(160deg, #eee7df, #f9f8f6);
--g-panel: rgba(250, 248, 245, 0.55);
--g-article: rgba(250, 248, 245, 0.8);
--g-drawer: rgba(250, 248, 245, 0.9);
--g-strong: rgba(250, 248, 245, 0.92);
--g-inset: rgba(47, 38, 29, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #2f261d;
--accent-grad: linear-gradient(135deg, #C9B59C, #927e67);
--title-grad: linear-gradient(90deg, #897b6a, #8f7b65);
--nav-grad: linear-gradient(90deg, rgba(201, 181, 156, 0.28), rgba(250, 248, 245, 0.6) 38%, rgba(250, 248, 245, 0.6) 62%, rgba(146, 126, 103, 0.28));
--active-bg: linear-gradient(90deg, rgba(201, 181, 156, 0.32), rgba(146, 126, 103, 0.2));
--line: linear-gradient(90deg, transparent, #C9B59C, #927e67, transparent);
--glow: 0 0 24px -4px rgba(201, 181, 156, 0.7);
color-scheme: light;
}
[data-theme="p-rose"] {
--bg: #fbeded;
--bg2: rgba(59, 38, 38, 0.06);
--bg3: rgba(59, 38, 38, 0.11);
--text: #3b2626;
--text2: #756262;
--text3: #806f6f;
--border: rgba(59, 38, 38, 0.13);
--brand: #896262;
--brand-hover: #765454;
--brand-bg: rgba(249, 223, 223, 0.24);
--code-bg: #fffcfc;
--code-text: #3b2626;
--shadow: 0 8px 32px rgba(137, 98, 98, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.88), inset 0 0 0 1px rgba(255, 255, 255, 0.45);
--radius: 10px;
--g-blobs: radial-gradient(60vmax 50vmax at 8% -8%, rgba(245, 175, 175, 0.75), transparent 62%), radial-gradient(55vmax 45vmax at 98% 8%, rgba(249, 223, 223, 1), transparent 62%), radial-gradient(65vmax 50vmax at 65% 112%, rgba(245, 175, 175, 0.45), transparent 62%), radial-gradient(50vmax 45vmax at -6% 92%, rgba(252, 248, 248, 1), transparent 62%), linear-gradient(160deg, #fbeded, #fdf6f6);
--g-panel: rgba(255, 250, 250, 0.55);
--g-article: rgba(255, 250, 250, 0.8);
--g-drawer: rgba(255, 250, 250, 0.9);
--g-strong: rgba(255, 250, 250, 0.92);
--g-inset: rgba(59, 38, 38, 0.09);
--g-edge: rgba(255, 255, 255, 0.45);
--g-filter: saturate(180%) blur(28px);
--on-brand: #ffffff;
--on-grad: #3b2626;
--accent-grad: linear-gradient(135deg, #F9DFDF, #F5AFAF);
--title-grad: linear-gradient(90deg, #908181, #a77777);
--nav-grad: linear-gradient(90deg, rgba(249, 223, 223, 0.28), rgba(255, 250, 250, 0.6) 38%, rgba(255, 250, 250, 0.6) 62%, rgba(245, 175, 175, 0.28));
--active-bg: linear-gradient(90deg, rgba(249, 223, 223, 0.32), rgba(245, 175, 175, 0.2));
--line: linear-gradient(90deg, transparent, #F9DFDF, #F5AFAF, transparent);
--glow: 0 0 24px -4px rgba(249, 223, 223, 0.7);
color-scheme: light;
}

/* --- 配色主題「大膽層」：漸層標題、漸層底線、目前目錄項目雙色底、卡片發光 --- */
[data-theme^="p-"] .site-header { background: var(--nav-grad); border-bottom: 2px solid transparent; border-image: var(--line) 1; }
[data-theme^="p-"] .hero-title {
  width: fit-content; max-width: 100%; margin-left: auto; margin-right: auto;
  background-image: var(--title-grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; text-shadow: none;
  filter: drop-shadow(0 0 18px var(--brand-bg));
}
[data-theme^="p-"] .main-content h1, [data-theme^="p-"] .main-content h2 { border-bottom: 2px solid transparent; border-image: var(--line) 1; }
[data-theme^="p-"] .toc-item.active { background: var(--active-bg); box-shadow: inset 0 0 0 1.5px var(--brand); }
[data-theme^="p-"] .card-icon { background: var(--accent-grad); color: var(--on-grad); }
[data-theme^="p-"] .guide-card:hover { box-shadow: var(--shadow), var(--glow); }
[data-theme^="p-"] .step-num { background: var(--accent-grad); color: var(--on-grad); }
[data-theme^="p-"] .data-table th { background: var(--brand-bg); }

/* =========================================
11. 配色主題選擇面板（右上第 9 顆按鈕）
   面板由 shared.js 放在 <body> 底下（不放在 header 裡，避免被 backdrop-filter 或 overflow 影響定位與裁切），
   顏色一律用 token，所以在每個主題下都會跟著變。
========================================= */
.tp-swatch { display: block; width: 14px; height: 14px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.22); flex-shrink: 0; }
.tp-swatch-lg { width: 24px; height: 24px; }
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .tp-swatch { width: 16px; height: 16px; }
.tp-pop {
  position: fixed; z-index: 300; top: 60px; left: 12px; width: min(288px, calc(100vw - 24px));
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; padding: 8px;
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  animation: tp-in 0.18s ease-out;
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .tp-pop {
  background: var(--g-strong); border-radius: 20px;
  -webkit-backdrop-filter: var(--g-filter); backdrop-filter: var(--g-filter);
}
.tp-opt {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; font: inherit; font-size: 13px;
  color: var(--text); background: transparent; border: 1px solid transparent; border-radius: var(--radius);
  cursor: pointer; text-align: left; transition: background 0.2s ease, border-color 0.2s ease;
}
:root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .tp-opt { border-radius: 14px; }
.tp-opt:hover { background: var(--bg3); }
.tp-opt.active { background: var(--brand-bg); border-color: var(--brand); }
@keyframes tp-in { from { opacity: 0; transform: translateY(-6px) scale(0.98); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .tp-pop { animation: none; } }
/* 9 顆按鈕在窄螢幕縮小一點，玻璃主題的膠囊才放得下 */
@media (max-width: 480px) {
  :root:where(:not([data-theme="light"], [data-theme="dark"], [data-theme="orbital"], [data-theme="quantum"], [data-theme="monolith"], [data-theme="cyber"])) .theme-btn { width: 28px; }
}