/* ═══════════════════════════════════════════════
   LinMei.dev — 個人 profile 頁面
   設計系統：ClickHouse（暖黑畫布 + 電光黃、無陰影）
   ═══════════════════════════════════════════════ */

/* ── 設計 Token ─────────────────────────────── */
:root {
  /* 色彩 */
  --canvas: #131312;
  --primary: #faff69;
  --primary-active: #e6eb52;
  --card-dark: #1a1a1a;
  --overlay: #242424;
  --line: #2a2a2a;
  --border-soft: rgba(255, 255, 255, 0.05); /* CH border-white/5 */
  --olive: #3a3624; /* CH 次要按鈕邊框 */
  --text-primary: #ffffff;
  --text-secondary: #b8b8b8;
  --text-muted: #6f6f6f;

  /* 字型 */
  --font-display: "Inter", -apple-system, "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;

  /* 圓角（CH：按鈕 4px／卡片 8px） */
  --radius-btn: 4px;
  --radius-card: 8px;
  --radius-pill: 9999px;

  /* 間距節奏 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  /* 內容寬度（CH：1280px／兩側 32px） */
  --container-w: 1280px;
  --container-pad: 32px;
  --nav-h: 64px;
}

/* ── 基礎重置 ───────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  background: var(--canvas);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ── 區塊節奏 ───────────────────────────────── */
.section {
  padding: var(--space-24) 0;
  border-top: 1px solid var(--border-soft); /* CH 白色 5% 分區 */
}

.section:first-of-type {
  border-top: none;
}

/* 淺灰區塊帶（近似 CH bg-neutral-600/20） */
.section-tint {
  background: rgba(255, 255, 255, 0.04);
}

.section-head {
  margin-bottom: var(--space-12);
}

/* 區段標題下方描述（CH section-sub） */
.section-sub {
  max-width: 560px;
  margin-top: var(--space-3);
  font-size: 16px;
  color: var(--text-secondary);
}

/* 黃色漸層裝飾線（CH：transparent → primary → transparent） */
.accent-line {
  height: 1px;
  margin-bottom: var(--space-12);
  background: linear-gradient(to right, transparent, var(--primary), transparent);
  opacity: 0.45;
}

/* 滾動顯現（CH animate-fade-up；尊重 reduced-motion） */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ═══════════════════════════════════════════════
   頂部導覽列 top-nav
   ═══════════════════════════════════════════════ */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 9999;
  min-height: var(--nav-h);
  background: rgba(17, 17, 17, 0.8); /* CH bg-neutral-900/80 */
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}

.nav-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: var(--space-4) var(--container-pad); /* CH py-4 */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  margin-right: auto; /* CH me-auto：把 nav/actions 推到右側 */
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  height: 32px;
  background: var(--primary);
  color: var(--canvas);
  border-radius: var(--radius-btn);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: 15px;
  color: var(--text-secondary);
}

/* 導覽項目（含下拉的 nav-item） */
.nav-item {
  position: relative;
}

/* CH 風格按鈕：10px 16px、radius 8px、14px/500、近白字 */
.nav-btn,
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color 0.15s, background-color 0.15s;
  white-space: nowrap;
}

.nav-btn:hover,
.nav-link:hover,
.nav-item:hover .nav-btn,
.nav-item:focus-within .nav-btn {
  background: rgba(255, 255, 255, 0.06);
  color: var(--primary);
}

.nav-caret {
  display: none;
  width: 14px;
  height: 14px;
  flex: none;
  opacity: 0.8;
  transition: transform 0.25s ease;
}

/* CH 摺疊效果：opacity + scale(0.9→1) origin-top、0.15s、hover 橋(::before 24px) */
.nav-drop {
  position: absolute;
  top: calc(100% + 0px);
  left: 0;
  transform: scale(0.9);
  transform-origin: top left;
  min-width: 240px;
  background: var(--card-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-card);
  padding: 6px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease,
    visibility 0s linear 0.15s;
  z-index: 90;
}

/* 透明 hover 橋：按鈕→面板的縫隙不關閉（CH pt-6） */
.nav-drop::before {
  content: "";
  position: absolute;
  top: -24px;
  left: 0;
  right: 0;
  height: 24px;
}

.nav-drop-wide {
  min-width: 380px;
  display: flex;
  gap: var(--space-4);
}

/* 純 CSS 開啟：group hover 或 focus-within（CH 同款，免 JS） */
.nav-item:hover .nav-drop,
.nav-item:focus-within .nav-drop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

/* 下拉項目：icon + 標題 + 描述（CH 列樣式） */
.nav-drop-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: 8px;
  transition: background 0.15s;
}

.nav-drop-item:hover {
  background: var(--overlay);
}

.nav-drop-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--overlay);
  border-radius: 8px;
  font-size: 16px;
}

.nav-drop-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.nav-drop-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.nav-drop-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* 分組欄位（Solutions：Experience / Cases） */
.nav-drop-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2);
}

.nav-drop-group-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.nav-drop-placeholder {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-muted);
  padding: var(--space-2);
  border-radius: 8px;
}

.nav-actions {
  position: relative;
  z-index: 10000; /* 高於 mobile 全螢幕選單（nav-menu z-9998） */
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* 語言選單（CH 風格：globe 按鈕＋右對齊摺疊面板） */
.lang-select {
  position: relative;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px;
  background: none;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-primary);
  transition: color 0.15s, background-color 0.15s;
}

.lang-toggle:hover,
.lang-select:hover .lang-toggle,
.lang-select:focus-within .lang-toggle {
  background: rgba(255, 255, 255, 0.06);
  color: var(--primary);
}

.lang-globe {
  display: block;
  flex: none;
}

.lang-label.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 語言下拉：end-0 origin-top-right、pt-4 橋、scale+fade 0.15s */
.lang-drop {
  position: absolute;
  top: calc(100% + 0px);
  right: 0;
  min-width: 150px;
  background: var(--card-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-card);
  padding: 6px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(0.9);
  transform-origin: top right;
  transition: opacity 0.15s ease, transform 0.15s ease,
    visibility 0s linear 0.15s;
  z-index: 90;
}

.lang-drop::before {
  content: "";
  position: absolute;
  top: -16px;
  left: 0;
  right: 0;
  height: 16px;
}

.lang-select:hover .lang-drop,
.lang-select:focus-within .lang-drop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.lang-option {
  display: block;
  width: 100%;
  padding: 10px 8px;
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  text-align: left;
  color: var(--text-primary);
  transition: color 0.15s, background-color 0.15s;
}

.lang-option:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.06);
}

.lang-option[aria-selected="true"] {
  color: var(--primary);
  font-weight: 600;
}

@media (prefers-reduced-motion: reduce) {
  .nav-drop,
  .lang-drop,
  .nav-caret {
    transition: none;
  }
}

/* 漢堡選單按鈕（手機） */
.nav-toggle {
  position: relative;
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: #1a1a1a; /* bg-neutral-725 */
  border: none;
  border-radius: 6px; /* rounded-md */
  cursor: pointer;
}

.nav-toggle span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  transform: translateX(-50%);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle span:nth-child(1) { margin-top: -6px; }
.nav-toggle span:nth-child(2) { margin-top: 0; }
.nav-toggle span:nth-child(3) { margin-top: 6px; }

/* 開啟（aria-expanded=true）→ 三線變 × */
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  margin-top: 0;
  transform: translateX(-50%) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  margin-top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

/* ═══════════════════════════════════════════════
   按鈕 buttons
   ═══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 var(--container-pad);
  border-radius: var(--radius-btn);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.15s;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--primary);
  color: var(--canvas);
  border: 1px solid var(--primary); /* CH：primary 同色 1px 邊 */
}

.btn-primary:hover {
  background: var(--primary-active);
}

.btn-secondary {
  background: transparent; /* CH：透明底＋橄欖邊 */
  color: var(--text-primary);
  border: 1px solid var(--olive);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-dark {
  background: var(--canvas);
  color: var(--primary);
}

.btn-dark:hover {
  background: #000000;
}

/* ═══════════════════════════════════════════════
   Hero 區 hero-band
   ═══════════════════════════════════════════════ */
.hero-band {
  padding: var(--space-16) 0 var(--space-24);
  border-bottom: 1px solid var(--border-soft);
}

.hero-grid {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-12);
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.display-xl {
  font-size: clamp(44px, 7vw, 80px); /* CH H1 可至 96px、leading-none */
  font-weight: 700;
  letter-spacing: -3px;
  line-height: 1.02;
  margin-bottom: var(--space-6);
}

.accent-text {
  color: var(--primary);
}

.hero-sub {
  max-width: 540px;
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
}

.stat-callout {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -1.5px;
  color: var(--primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════
   程式碼視窗卡 code-window-card
   ═══════════════════════════════════════════════ */
.code-window-card {
  background: var(--card-dark);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.code-window-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--overlay);
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.code-title {
  margin-left: var(--space-2);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.career-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  padding: 0;
  color: var(--primary);
  background: transparent;
  border: none;
  border-radius: var(--radius-btn);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
}

.career-toggle-wrap {
  display: flex;
  justify-content: center;
  padding: 0 var(--space-4) var(--space-4);
  border-top: 1px solid var(--line);
}

.career-toggle:hover,
.career-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.06);
}

.career-toggle-collapse,
.career-toggle.is-expanded .career-toggle-expand {
  display: none;
}

.career-toggle.is-expanded .career-toggle-collapse {
  display: inline;
}

.code-body {
  padding: var(--space-6);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-primary);
  overflow-x: auto;
}

/* 語法高亮 token */
.c-k { color: #ff7b72; }  /* 關鍵字 */
.c-id { color: var(--primary); } /* 識別符 */
.c-s { color: #a5d6ff; }  /* 字串 */
.c-t { color: #79c0ff; }  /* 布林 */
.c-fn { color: #d2a8ff; } /* 函式 */
.c-p { color: #e6edf3; }  /* 選擇器 */

.code-body.mini {
  padding: var(--space-4);
  font-size: 13px;
  margin-top: var(--space-4);
  background: #111111;
  border-radius: var(--radius-btn);
}

/* ═══════════════════════════════════════════════
   區塊標題
   ═══════════════════════════════════════════════ */
/* CH 風格 eyebrow：大寫黃色微標籤（非 pill） */
.eyebrow-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-3);
}

.display-lg {
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -1.5px;
}

.display-md {
  font-size: clamp(28px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -1.5px;
}

.title-md {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin-bottom: var(--space-2);
}

/* ═══════════════════════════════════════════════
   特徵卡片 feature-card-dark
   ═══════════════════════════════════════════════ */
.feature-card-dark {
  background: var(--card-dark);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  transition: border-color 0.2s;
}

.feature-card-dark:hover {
  border-color: var(--primary);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background: var(--overlay);
  border-radius: var(--radius-btn);
  font-size: 22px;
  margin-bottom: var(--space-4);
}

/* 關於我 */
.about-card {
  padding: var(--space-12);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-12);
}

.body-strong {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin-bottom: var(--space-3);
}

.body-md {
  font-size: 16px;
  color: var(--text-secondary);
}

.body-sm {
  font-size: 15px;
  color: var(--text-secondary);
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: 15px;
}

.list-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  margin-right: var(--space-2);
  font-size: 14px;
  color: var(--primary);
}

/* ── 能力卡片四欄 ──────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* ── T 型能力佈局：核心軸（1）＋ 三個槓桿（3） ── */
.card-grid.card-grid-core {
  grid-template-columns: 1fr;
  margin-bottom: var(--space-6);
}

.card-grid.card-grid-core .feature-card-dark {
  border-color: var(--primary);
}

.card-grid.card-grid-levers {
  grid-template-columns: repeat(3, 1fr);
}

.core-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-3);
}

.lever-role {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

@media (max-width: 1024px) {
  .card-grid.card-grid-levers {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .card-grid.card-grid-levers {
    grid-template-columns: 1fr;
  }
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.badge-pill {
  padding: var(--space-1) var(--space-3);
  background: var(--overlay);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

/* ── 作品區 ─────────────────────────────────── */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* ── 技術棧技能條 ──────────────────────────── */
.skills-panel {
  margin-top: var(--space-12);
  background: var(--card-dark);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: var(--space-12);
  row-gap: var(--space-4);
}

.skill-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.skill-name {
  flex: 0 0 150px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
}

.skill-outcome {
  flex: 1;
  font-size: 13px;
  color: var(--text-secondary);
}

.work-card {
  padding: 0 0 var(--space-6);
  display: flex;
  flex-direction: column;
}

.work-card .code-window-bar {
  margin-bottom: var(--space-6);
}

.work-card h3,
.work-card p {
  padding: 0 var(--container-pad);
}

.work-card .mini {
  margin: var(--space-4) var(--space-6) 0;
}

/* 作品卡連結（有 href 的作品可點進詳情頁） */
.work-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.work-card-link:hover .work-card {
  border-color: var(--primary);
}

/* ═══════════════════════════════════════════════
   聯絡 CTA 區（CH getting_started 克隆）
   ═══════════════════════════════════════════════ */
.gs-card {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8);
  background: rgba(17, 17, 17, 0.5);
  border: 1px solid rgba(60, 60, 59, 0.8);
  border-radius: var(--radius-card);
}

@media (min-width: 768px) {
  .gs-card {
    padding: var(--space-12);
  }
}

@media (min-width: 1024px) {
  .gs-card {
    padding: var(--space-16);
  }
}

.gs-title {
  margin-bottom: var(--space-3);
  text-wrap: balance;
}

.gs-title-pre,
.gs-title-post {
  white-space: normal;
}

/* 關鍵字黃色 skew 高亮（CH -skew-y-3 bg-primary） */
.gs-highlight {
  position: relative;
  display: inline-block;
  padding: 0 0.12em;
  white-space: nowrap;
  z-index: 0;
}

.gs-highlight-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--primary);
  transform: skewY(-3deg);
}

.gs-highlight-text {
  color: var(--canvas);
  font-weight: 700;
}

.gs-sub {
  max-width: 520px;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

/* 命令碼塊（深底、$ 提示符、複製按鈕） */
.gs-code {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: #1a1a1a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: left;
  margin: 0;
  white-space: nowrap;
}

.gs-prompt {
  color: var(--primary);
  font-weight: 600;
}

.gs-code-text {
  color: var(--text-primary);
}

.gs-copy {
  flex: none;
  width: 26px;
  height: 26px;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.15s, background-color 0.15s;
}

.gs-copy:hover,
.gs-copy:focus-visible {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.gs-or {
  margin-top: var(--space-6);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

/* SNS 圓形社交按鈕 */
.sns-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6); /* 按鈕間距 24px（對齊寬鬆節奏） */
  margin-top: var(--space-6); /* 與 or-line 拉開（對齊 24px 節奏） */
}

.sns-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--canvas);
  color: var(--primary);
  font-size: 17px;
  transition: transform 0.2s, background-color 0.2s, color 0.2s;
}

.sns-btn:hover {
  transform: scale(1.08);
  background: var(--primary);
  color: var(--canvas);
}

/* ═══════════════════════════════════════════════
   CASE 明細頁（html/cases/）
   ═══════════════════════════════════════════════ */
.case-main {
  min-height: 60vh;
}

.case-hero {
  padding-bottom: var(--space-6);
}

.case-hero .case-title {
  margin-bottom: var(--space-4);
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.case-meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
  color: var(--text-secondary);
}

.case-meta-item i {
  color: var(--primary);
}

.case-body-inner {
  max-width: 760px;
}

.case-body-inner h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: var(--space-12) 0 var(--space-3);
  color: var(--text-primary);
}

.case-body-inner p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.case-body-inner ul {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
}

.case-body-inner li {
  position: relative;
  padding-left: var(--space-4);
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
  line-height: 1.7;
}

.case-body-inner li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--primary);
}

.case-body-inner ul ul {
  margin-top: var(--space-2);
  padding-left: var(--space-4);
}

.case-body-inner ul ul li {
  font-size: 14px;
  margin-bottom: var(--space-1);
}

/* 業務架構圖（songxuan case） */
.case-diagram {
  position: relative;
  margin: var(--space-12) 0;
  padding: var(--space-8);
  background: rgba(17, 17, 17, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

/* 內嵌 SVG 架構圖 */
.case-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

/* 架構圖全屏按鈕（右上） */
.diagram-expand {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.diagram-expand:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.diagram-expand:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* 架構圖全屏態：深底＋SVG 按視口縮放（原生 fullscreen／降級 overlay 共用） */
.case-diagram:fullscreen,
.case-diagram:-webkit-full-screen,
.case-diagram.is-zoomed {
  background: #131312;
  padding: 32px;
  overflow: auto;
  border-radius: 0;
}

.case-diagram:fullscreen svg,
.case-diagram:-webkit-full-screen svg,
.case-diagram.is-zoomed svg {
  width: auto;
  max-width: min(1200px, 100%);
  max-height: calc(100vh - 96px);
  margin: auto;
}

.case-diagram:fullscreen .diagram-expand,
.case-diagram:-webkit-full-screen .diagram-expand,
.case-diagram.is-zoomed .diagram-expand {
  background: rgba(19, 19, 18, 0.85);
}

/* 降級 overlay（不支援／被拒 Fullscreen API 時）：fixed 蓋層 */
.case-diagram.is-zoomed {
  position: fixed;
  inset: 0;
  z-index: 9999;
  margin: 0;
}

.case-diagram:fullscreen .diagram-expand,
.case-diagram:-webkit-full-screen .diagram-expand {
  position: fixed;
  top: 20px;
  right: 20px;
}

.diagram-layer {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.diagram-layer-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.diagram-layer-nodes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.diagram-node {
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-btn);
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
}

.diagram-node-strong {
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

/* 垂直連接線（層之間） */
.diagram-connector {
  width: 1px;
  height: var(--space-6);
  background: rgba(255, 255, 255, 0.12);
}

/* CHANNELS 層：ONLINE / OFFLINE 分欄 */
.diagram-channel-cols {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.diagram-channel-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.diagram-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .case-diagram {
    padding: var(--space-6);
  }

  .diagram-channel-cols {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-diagram .diagram-node {
    transition: none;
  }

  .diagram-expand {
    transition: none;
  }
}

.case-result {
  margin: var(--space-6) 0;
  padding: var(--space-6);
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
}

.case-cta {
  text-align: center;
}

.case-cta .btn {
  margin: var(--space-2);
}

/* Recent posts（自動渲染卡片） */
.recent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}

.recent-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-6);
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  transition: border-color 0.15s;
}

.recent-card:hover {
  border-color: var(--primary);
}

.recent-card-period {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--primary);
}

.recent-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.recent-card-company {
  font-size: 13px;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════
   頁尾 footer（CH：bg-neutral-900、pt-16 pb-8）
   ═══════════════════════════════════════════════ */
.footer {
  background: #111111;
  border-top: 1px solid var(--border-soft);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  flex-direction: column;
}

/* 收合開關列（footer-links 預設收合） */
.footer-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.footer-toggle:hover,
.footer-toggle:focus-visible {
  color: var(--primary);
}

.footer-toggle-icon {
  font-size: 13px;
  transition: transform 0.3s ease;
}

.footer-toggle[aria-expanded="true"] .footer-toggle-icon {
  transform: rotate(180deg);
}

/* 多欄連結區：預設收合（grid-rows 0fr→1fr 平滑展開，沿用 FAQ 語言） */
.footer-links {
  display: grid;
  grid-template-rows: minmax(0, 0fr);
  opacity: 0;
  transition: grid-template-rows 0.3s ease, opacity 0.3s ease;
}

.footer-links.is-open {
  grid-template-rows: minmax(0, 1fr);
  opacity: 1;
}

.footer-links-inner {
  overflow: hidden;
  min-height: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-12) var(--space-16);
  padding: var(--space-4) 0 var(--space-8);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col-title {
  margin-bottom: var(--space-2);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.15s;
}

.footer-link i {
  color: var(--primary);
}

.footer-link:hover {
  color: var(--text-primary);
}

/* 版權列（CH border-t） */
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copy {
  color: var(--text-muted);
}

.footer-tagline {
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════
   案例 cases（CH「Build real-time data products」復刻）
   ═══════════════════════════════════════════════ */
.cases-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (min-width: 1024px) {
  .cases-layout {
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    gap: var(--space-16);
  }
}

/* 左側 sticky 標題欄 */
.cases-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

@media (min-width: 1024px) {
  .cases-head {
    position: sticky;
    top: calc(var(--nav-h) + 32px);
    align-items: flex-start;
    text-align: start;
  }
}

.cases-head .section-sub {
  max-width: 320px;
}

.cases-filter-label {
  margin-top: var(--space-6);
}

/* 篩選 pills（CH：rounded-full btn-secondary） */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
  justify-content: center;
}

@media (min-width: 1024px) {
  .filter-row {
    justify-content: flex-start;
  }
}

.filter-pill {
  padding: 10px 16px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--olive);
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s, background-color 0.15s, border-color 0.15s;
}

.filter-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-pill.is-active {
  background: var(--primary);
  color: var(--canvas);
  border-color: var(--primary);
}

/* 右側案例列表 */
.cases-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* 卡片容器：垂直排列，卡片間距對齊 CH mb-11（44px） */
#caseCards {
  display: flex;
  flex-direction: column;
  gap: 44px;
}

/* 卡片外層連結（整卡可點 → cases/<id>.html） */
.case-card-link {
  display: block;
}

.case-card-link.is-hidden {
  display: none;
}

/* 黃色引言卡（CH：bg-primary、深字、radius 8、扁平無陰影） */
.case-card-ch {
  background: var(--primary);
  color: #202000;
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: opacity 0.3s ease;
}

/* 深色 still 區（CH 影片縮圖替代：臨時圖片＋公司/期間疊層） */
.case-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #111111;
  overflow: hidden;
}

.case-card-media-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card-media-meta {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-8) var(--space-6) var(--space-6);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0));
  text-align: center;
}

.case-card-media-company {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
}

.case-card-media-period {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* 引言區（CH：置中、text-2xl、署名 strong） */
.case-card-quote {
  padding: var(--space-8) var(--space-8) 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .case-card-quote {
    padding: var(--space-8) var(--space-12) 40px;
  }
}

@media (min-width: 1024px) {
  .case-card-quote {
    padding: var(--space-8) 40px var(--space-12);
  }
}

.case-card-text {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.3px;
  text-wrap: balance;
}

.case-card-attrib {
  font-size: 15px;
  color: rgba(32, 32, 0, 0.75);
}

/* 「查看更多作品」連結 */
.cases-more {
  align-self: flex-start;
}

@media (max-width: 1024px) {
  .cases-more {
    align-self: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-card-ch {
    transition: none;
  }
}

/* ═══════════════════════════════════════════════
   常見問題 FAQ（CH 手風琴復刻）
   ═══════════════════════════════════════════════ */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 1024px) {
  .faq-layout {
    grid-template-columns: minmax(0, 400px) minmax(0, 640px);
    gap: var(--space-12);
    justify-content: space-between;
  }
}

/* 左側標題欄：桌面 sticky（CH lg:sticky lg:top-32） */
.faq-head {
  text-align: center;
}

@media (min-width: 1024px) {
  .faq-head {
    position: sticky;
    top: calc(var(--nav-h) + 32px);
    text-align: start;
  }
}

.faq-link {
  display: inline-block;
  margin-top: var(--space-4);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.15s;
}

.faq-link:hover {
  color: var(--primary-active);
}

/* 手風琴列表 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* 卡片式 item（CH：border neutral-700/80、bg neutral-900/50、hover 微亮） */
.faq-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  padding: var(--space-4);
  background: rgba(17, 17, 17, 0.5);
  border: 1px solid rgba(60, 60, 59, 0.8);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: background 0.2s;
}

.faq-item:hover {
  background: rgba(26, 26, 26, 0.4);
}

/* 編號欄（CH：border-e、min-width 2ch） */
.faq-num {
  padding-right: var(--space-4);
  border-right: 1px solid rgba(60, 60, 59, 0.8);
  min-width: 2ch;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

/* 問題按鈕 */
.faq-q {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  padding: 0 var(--space-2) 0 var(--space-4);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: start;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.faq-q:hover,
.faq-item.open .faq-q {
  color: var(--text-primary);
}

.faq-q-text {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
}

/* ＋/× 圖示（開啟旋轉 45°） */
.faq-icon {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  transition: transform 0.3s ease;
}

.faq-icon::before {
  width: 16px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 16px;
  transform: translate(-50%, -50%);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

/* 答案面板：grid-template-rows 0fr→1fr 平滑展開 */
.faq-a {
  grid-column: 2;
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.3s ease, opacity 0.3s ease;
  position: relative;
}

.faq-item.open .faq-a {
  grid-template-rows: 1fr;
  opacity: 1;
}

.faq-a-inner {
  overflow: hidden;
  min-height: 0;
}

/* 答案左側 accent 線（CH：border-s 延伸） */
.faq-a-inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: -16px;
  bottom: 0;
  width: 1px;
  background: rgba(60, 60, 59, 0.8);
}

.faq-a-body {
  padding: var(--space-4) 0 0 var(--space-4);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

@media (prefers-reduced-motion: reduce) {
  .faq-a,
  .faq-icon {
    transition: none;
  }
}

/* ═══════════════════════════════════════════════
   響應式斷點（ClickHouse 標準）
   ═══════════════════════════════════════════════ */

/* 平板 768–1024 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .card-grid,
  .works-grid {
    grid-template-columns: 1fr 1fr;
  }

  .skills-panel {
    grid-template-columns: 1fr;
    row-gap: var(--space-3);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* 手機 <768 */
@media (max-width: 768px) {
  :root {
    --space-24: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  /* CH 全螢幕覆蓋選單（backdrop-filter 使 fixed 以 header 為 containing block，
    故用 top/left/right + height:100vh 覆蓋 viewport） */
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    z-index: 9998;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    background: #111111;
    padding: calc(var(--nav-h) + var(--space-4)) var(--space-4) var(--space-8);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  .nav-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  /* 手機：nav-item 展開、下拉改為靜態區塊 */
  .nav-item {
    width: 100%;
  }

  .nav-btn,
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: var(--space-4) 14px;
    border-bottom: 1px solid var(--line);
  }

  .nav-caret {
    display: inline-block;
    margin-left: var(--space-2);
    margin-right: var(--space-1);
  }

  .nav-drop {
    position: static;
    transform: none;
    opacity: 1;
    visibility: hidden;
    display: none;
    min-width: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 var(--space-4);
  }

  .nav-drop::before {
    display: none;
  }

  /* 手機：子選單預設收合，點擊 nav-btn 以 .open 展開（再點收合） */
  .nav-item .nav-drop {
    display: none;
    visibility: hidden;
  }

  .nav-item.open .nav-drop {
    transform: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    visibility: visible;
    padding: var(--space-2) 0 var(--space-4) var(--space-6);
    margin-left: var(--space-4);
    border-left: 1px solid var(--border-soft);
  }

  /* 展開指示：caret 旋轉 */
  .nav-item.open .nav-caret {
    transform: rotate(180deg);
  }

  .nav-drop-wide {
    flex-direction: column;
    gap: var(--space-2);
  }

  .nav-drop-group {
    padding: var(--space-2) 0;
  }

  .nav-drop-item {
    padding: var(--space-3) var(--space-4);
    border-radius: 8px;
  }

  .nav-drop-item:hover {
    background: rgba(255, 255, 255, 0.06);
  }

  .nav-actions .btn-primary {
    display: none;
  }

  .hero-band {
    padding-top: var(--space-12);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-stats {
    gap: var(--space-8);
  }

  .card-grid,
  .works-grid {
    grid-template-columns: 1fr;
  }

  .stat-num {
    font-size: 32px;
  }

  .gs-card {
    padding: var(--space-6);
  }

  .footer-toggle {
    justify-content: center;
  }

  .footer-links-inner,
  .footer-legal {
    justify-content: center;
    text-align: center;
    align-items: center;
  }

  .footer-links-inner {
    flex-direction: column;
    gap: var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .footer-links,
  .footer-toggle-icon {
    transition: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-menu,
  .nav-toggle span {
    transition: none;
  }
}

/* 超大螢幕 >1440 維持 1280 內容寬度即可 */

/* ═══════════════════════════════════════════════
   職涯時間軸
   ═══════════════════════════════════════════════ */
.career-graph {
  position: relative;
  padding: var(--space-6) var(--space-4);
  font-family: var(--font-mono);
}

.career-row {
  position: relative;
  display: grid;
  grid-template-columns: 92px 56px 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
}

.career-row:last-child {
  padding-bottom: 0;
}

.career-row.is-older {
  display: none;
}

.career-graph.is-expanded .career-row.is-older {
  display: grid;
}

.career-now {
  display: grid;
  grid-template-columns: 92px 56px 1fr;
  gap: var(--space-4);
  align-items: center;
  min-height: 24px;
  margin-bottom: var(--space-2);
}

.career-now-gutter {
  height: 1px;
  background: var(--line);
}

.career-now-label {
  justify-self: start;
  padding: 2px var(--space-2);
  color: var(--primary);
  border: 1px solid rgba(250, 255, 105, 0.45);
  border-radius: var(--radius-btn);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

/* 時間欄（左側 · git 風格右對齊） */
.career-time {
  padding-top: 24px; /* 對齊圓點中心（dot top 27.5px + 半徑 3.5px = 31px） */
  font-size: 12px;
  line-height: 14px;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

.career-row.is-head .career-time {
  color: var(--primary);
}

/* gutter：圓點 + 分支線 */
.career-gutter {
  position: relative;
}

.career-gutter::after {
  position: absolute;
  top: 31px;
  bottom: -24px;
  left: 10.5px;
  width: 1px;
  background: var(--line);
  content: "";
  z-index: 1;
}

.career-row.is-last .career-gutter::after {
  display: none;
}

.career-graph:not(.is-expanded) .career-row.is-collapsed-last .career-gutter::after {
  display: none;
}

.career-dot {
  position: absolute;
  left: 5.5px;
  top: 27.5px; /* 中心 y=31 不變（7px 圓點）；left 由 JS 依家 lane 設定 */
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--canvas);
  border: 2px solid var(--dot-border, var(--line));
  z-index: 3;
}

.career-row.is-head .career-dot {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(250, 255, 105, 0.15);
}

/* 資訊區 */
.career-info {
  min-width: 0;
}

/* 公司＋職位同一行（節省空間） */
.career-title-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.career-milestone {
  font-size: 12px;
  color: var(--primary);
  line-height: 1;
}

.career-company {
  font-family: var(--font-mono);
  font-size: 16px;
}

.career-role {
  font-size: 13px;
  color: var(--primary-active);
}

.career-row .body-sm {
  margin-top: var(--space-1);
  color: var(--text-muted);
}

/* 圖例 */
.career-legend {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.career-legend-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-right: var(--space-1);
}

/* 圖例項目（系列名＋lane 色 swatch） */
.career-legend-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.career-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
}

/* 虛線分支（ES 流通 20%）swatch：無填充、虛線邊框 */
.career-legend-swatch-dashed {
  background: transparent;
  border: 2px dashed;
  box-sizing: border-box;
}

.career-legend-dashed {
  color: var(--text-muted);
}

@media (max-width: 560px) {
  .career-graph {
    padding: var(--space-4) var(--space-2);
  }

  .career-row {
    grid-template-columns: 68px 52px 1fr;
    gap: var(--space-3);
  }

  .career-now {
    grid-template-columns: 68px 52px 1fr;
    gap: var(--space-3);
  }

  .career-time {
    padding-top: 25px; /* 對齊圓點中心（31px - line-height 12px/2） */
    font-size: 11px;
    line-height: 12px;
  }

  .career-toggle {
    width: 30px;
    height: 26px;
  }
}