:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --accent: #059669;
    --accent-strong: #047857;
    --accent-soft: #ecfdf5;
    --accent-ring: rgba(5, 150, 105, 0.16);
    --accent-contrast: #ffffff;
    --franchise: #b45309;
    --franchise-soft: #fffbeb;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 1px rgba(15, 23, 42, 0.03);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
  }

  /* 這個網站刻意固定使用單一淺色視覺，不隨系統深色模式自動切換 —
     與內部儀表板系列（HR / 營收）共用同一套薄荷綠品牌配色，維持識別一致性。 */

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei",
      "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    overflow-x: hidden;
  }

  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }

  .shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .eyebrow {
    font-family: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-strong);
  }

  /* ── Scroll reveal ─────────────────────────────────── */
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }
  .stagger > * { transition-delay: calc(var(--i, 0) * 90ms); }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal, .stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }
    .float-shape, .hero-visual .glyph, .hero-logo, .hero::before, .hero::after { animation: none !important; }
  }

  /* ── Topbar ───────────────────────────────────────── */
  header.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(248, 250, 252, 0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }
  header.topbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  }

  .topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--accent);
    color: var(--accent-contrast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 16px;
    overflow: hidden;
  }
  .brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .brand-text { display: flex; flex-direction: column; line-height: 1.25; }
  .brand-text .zh { font-weight: 700; font-size: 15px; color: var(--text-primary); }
  .brand-text .en { font-size: 11px; color: var(--text-muted); letter-spacing: 0.06em; }

  nav.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  nav.main-nav a {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease;
  }
  nav.main-nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s var(--ease);
  }
  nav.main-nav a:hover { color: var(--accent-strong); }
  nav.main-nav a:hover::after { transform: scaleX(1); }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease,
      transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  }
  .btn-primary {
    background: var(--accent);
    color: var(--accent-contrast);
    box-shadow: var(--shadow-sm);
  }
  .btn-primary:hover { background: var(--accent-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
  .btn-outline {
    background: var(--surface);
    color: var(--text-primary);
    border-color: var(--border-strong);
  }
  .btn-outline:hover { border-color: var(--accent); color: var(--accent-strong); transform: translateY(-2px); }
  .btn-sm { padding: 7px 14px; font-size: 13px; }
  .btn-lg { padding: 13px 26px; font-size: 15px; }
  .btn-disabled {
    background: var(--bg);
    color: var(--text-muted);
    border-color: var(--border);
    cursor: not-allowed;
  }

  /* ── Hero ─────────────────────────────────────────── */
  .hero {
    padding: 88px 0 72px;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: "";
    position: absolute;
    top: -160px;
    right: -140px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
    z-index: -1;
    animation: driftBlob 14s ease-in-out infinite;
  }
  .hero::after {
    content: "";
    position: absolute;
    bottom: -180px;
    left: -160px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(5,150,105,0.07) 0%, transparent 70%);
    z-index: -1;
    animation: driftBlob 18s ease-in-out infinite reverse;
  }
  @keyframes driftBlob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-24px, 24px) scale(1.06); }
  }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: center;
  }

  .hero h1 {
    font-size: 44px;
    line-height: 1.25;
    margin: 16px 0 18px;
    font-weight: 800;
    letter-spacing: -0.01em;
  }
  .hero h1 .hl { color: var(--accent-strong); }

  .hero p.lead {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 46ch;
    margin: 0 0 32px;
  }
  .hero p.lead strong { color: var(--text-primary); font-weight: 700; }

  .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 48px;
    max-width: 480px;
  }
  .hero-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px 14px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  }
  .hero-stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
  .hero-stat .num {
    font-family: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", monospace;
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-strong);
    font-variant-numeric: tabular-nums;
  }
  .hero-stat .label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

  .hero-visual {
    background: linear-gradient(160deg, var(--accent) 0%, var(--accent-strong) 100%);
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
    border-radius: 28px;
    aspect-ratio: 4/5;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
  }
  @keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }
  .hero-visual .glyph {
    font-size: 160px;
    font-weight: 800;
    color: rgba(255,255,255,0.16);
    user-select: none;
    animation: floatSlow 6s ease-in-out infinite;
  }
  .hero-logo {
    width: 42%;
    max-width: 180px;
    height: auto;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    box-shadow: 0 20px 48px rgba(0,0,0,0.28);
    animation: floatSlow 6s ease-in-out infinite;
  }
  @keyframes floatSlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
  }
  .float-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.14);
    animation: floatSlow 7s ease-in-out infinite;
  }
  .float-shape.s1 { width: 64px; height: 64px; top: 14%; left: 12%; animation-duration: 8s; }
  .float-shape.s2 { width: 36px; height: 36px; top: 68%; left: 78%; animation-duration: 6s; animation-delay: 1s; }
  .float-shape.s3 { width: 24px; height: 24px; top: 30%; left: 82%; animation-duration: 9s; animation-delay: 2s; }

  .hero-visual .caption {
    position: absolute;
    bottom: 28px;
    left: 28px;
    right: 28px;
    color: #ffffff;
    font-size: 13px;
    line-height: 1.5;
    opacity: 0.92;
  }
  .hero-visual .caption strong { display: block; font-size: 16px; margin-bottom: 4px; }

  /* ── Section shared ───────────────────────────────── */
  section { padding: 72px 0; }
  section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

  .section-head { max-width: 640px; margin: 0 0 40px; }
  .section-head h2 { font-size: 30px; margin: 10px 0 12px; font-weight: 800; }
  .section-head p { color: var(--text-secondary); font-size: 15px; margin: 0; }

  /* ── Pillars / Products ──────────────────────────── */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .card-grid.pillars-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .pillar-card {
    min-width: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 26px 24px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease), border-color 0.25s ease;
  }
  .pillar-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--border-strong); }
  .pillar-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
    transition: transform 0.25s var(--ease);
  }
  .pillar-card:hover .pillar-icon { transform: scale(1.08) rotate(-4deg); }
  .pillar-card h3 { font-size: 17px; margin: 0 0 8px; font-weight: 700; }
  .pillar-card p { font-size: 14px; color: var(--text-secondary); margin: 0; }

  .section-photo-wrap {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .section-photo {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
  }
  .section-photo-caption {
    grid-column: 1 / -1;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
  }

  .single-promo-wrap {
    margin-top: 32px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
  .single-promo-photo {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    display: block;
  }

  /* ── Branches ────────────────────────────────────── */
  .branch-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }
  .branch-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease), border-color 0.25s ease;
  }
  .branch-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--accent); }
  .branch-card .row-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 14px;
  }
  .branch-card h4 { font-size: 21px; margin: 0; font-weight: 700; }
  .tag {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 999px;
    letter-spacing: 0.02em;
  }
  .tag-direct { background: var(--accent-soft); color: var(--accent-strong); }
  .tag-franchise { background: var(--franchise-soft); color: var(--franchise); }
  .branch-card .desc { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; min-height: 34px; }
  .branch-card .btn { width: 100%; justify-content: center; font-size: 17px; padding: 11px 14px; }

  /* ── News carousel ─────────────────────────────────── */
  .trust-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--franchise-soft);
    color: var(--franchise);
    letter-spacing: 0.01em;
  }
  .news-carousel { min-width: 0; }
  .news-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-radius: 24px;
  }
  .news-track::-webkit-scrollbar { display: none; }
  .news-slide {
    flex: 0 0 100%;
    min-width: 0;
    scroll-snap-align: start;
    background: linear-gradient(135deg, var(--accent-soft) 0%, var(--surface) 60%);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
  }
  .news-slide-photo {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: 68% 18%;
    display: block;
  }
  .news-slide-body { padding: 24px 28px 28px; }
  .news-slide-top {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
  }
  .news-slide-body h3 { font-size: 19px; margin: 0 0 8px; font-weight: 800; }
  .news-slide-body p { font-size: 14px; color: var(--text-secondary); margin: 0 0 18px; }
  .news-slide-actions { display: flex; gap: 10px; flex-wrap: wrap; }
  @media (min-width: 700px) {
    .news-slide { flex-direction: row; }
    .news-slide-photo { width: 42%; height: auto; flex-shrink: 0; }
    .news-slide-body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
  }

  /* ── CTA band ────────────────────────────────────── */
  .cta-band {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    background-size: 200% 200%;
    animation: gradientShift 10s ease infinite;
    border-radius: 28px;
    padding: 48px;
    color: #ffffff;
    position: relative;
    overflow: hidden;
  }
  .cta-band .cta-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 32px;
  }
  .cta-band h2 { font-size: 26px; margin: 0 0 8px; font-weight: 800; }
  .cta-band p { margin: 0; opacity: 0.9; font-size: 14px; max-width: 44ch; }
  .cta-band .btn-primary { background: #ffffff; color: var(--accent-strong); }
  .cta-band .btn-primary:hover { background: #f0fdf9; }

  .hotline-card {
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 18px;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    backdrop-filter: blur(4px);
  }
  .hotline-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
  }
  .hotline-info { flex: 1; min-width: 200px; }
  .hotline-info .hotline-label { font-size: 12px; opacity: 0.85; margin-bottom: 4px; }
  .hotline-info .hotline-number {
    font-family: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", monospace;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.02em;
  }
  .hotline-info .hotline-contact { font-size: 13px; opacity: 0.9; margin-top: 2px; }

  /* ── Footer ──────────────────────────────────────── */
  footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--border);
    background: var(--surface);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .footer-col h5 {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 14px;
  }
  .footer-col p, .footer-col a {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0 0 8px;
    line-height: 1.7;
  }
  .footer-col a:hover { color: var(--accent-strong); }
  .footer-desc { font-size: 13px; color: var(--text-secondary); max-width: 38ch; margin: 12px 0 0; }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }
  footer .brand-text .zh { font-size: 13px; }
  .footer-bottom .meta { font-size: 12px; color: var(--text-muted); }
  .footer-links { display: flex; gap: 18px; }
  .footer-links a { font-size: 12px; color: var(--text-muted); }
  .footer-links a:hover { color: var(--accent-strong); }

  /* ── Responsive ──────────────────────────────────── */
  @media (max-width: 900px) {
    nav.main-nav { display: none; }
    .hero-grid { grid-template-columns: minmax(0, 1fr); }
    .hero-visual { aspect-ratio: 16/9; }
    .card-grid { grid-template-columns: minmax(0, 1fr); }
    .card-grid.pillars-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .branch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero h1 { font-size: 32px; }
    .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  }
  @media (max-width: 560px) {
    .shell { padding: 0 20px; }
    .card-grid.pillars-4 { grid-template-columns: minmax(0, 1fr); }
    .branch-grid { grid-template-columns: minmax(0, 1fr); }
    .hero-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .cta-band { padding: 32px 24px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .news-slide-photo { height: 180px; }
    .news-slide-body { padding: 20px; }
    .section-photo-wrap { grid-template-columns: minmax(0, 1fr); }
  }

  /* ── Touch devices: neutralise :hover so links don't need a "double tap"
     (iOS Safari / mobile Chrome treat the first tap as a hover-trigger when
     an element's :hover style visibly changes it, silently eating the tap) ── */
  @media (hover: none) {
    nav.main-nav a:hover { color: var(--text-secondary); }
    nav.main-nav a:hover::after { transform: scaleX(0); }
    .btn-primary:hover { background: var(--accent); transform: none; box-shadow: var(--shadow-sm); }
    .btn-outline:hover { border-color: var(--border-strong); color: var(--text-primary); transform: none; }
    .hero-stat:hover { transform: none; box-shadow: var(--shadow-sm); }
    .pillar-card:hover { box-shadow: var(--shadow-sm); transform: none; border-color: var(--border); }
    .pillar-card:hover .pillar-icon { transform: none; }
    .branch-card:hover { box-shadow: var(--shadow-sm); transform: none; border-color: var(--border); }
    .cta-band .btn-primary:hover { background: #ffffff; }
    .footer-col a:hover { color: var(--text-secondary); }
    .footer-links a:hover { color: var(--text-muted); }
  }