:root {
    --cream: #faf6f0;
    --warm-white: #fffcf7;
    --blush: #e8c4b8;
    --blush-light: #f5e1da;
    --sage: #a3b5a6;
    --sage-light: #dce6dd;
    --terracotta: #c67a5c;
    --brown: #5c4a3a;
    --brown-light: #8a7566;
    --text: #3d322a;
    --text-light: #7a6e63;
    --nav-h: 56px;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  body {
    font-family: 'Noto Sans TC', sans-serif;
    background: var(--cream);
    color: var(--text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    padding-top: var(--nav-h);
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
  }

  /* ── Language toggle ── */
  .lang-en { display: none; }
  body.en .lang-zh { display: none; }
  body.en .lang-en { display: revert; }

  /* ── Animations ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .fade-up { opacity: 0; animation: fadeUp 0.8s ease forwards; }
  .delay-1 { animation-delay: 0.15s; }
  .delay-2 { animation-delay: 0.3s; }
  .delay-3 { animation-delay: 0.45s; }

  /* ── Sticky Nav ── */
  .nav {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-h);
    background: rgba(250,246,240,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(232,196,184,0.2);
    z-index: 100;
    display: flex; align-items: center; justify-content: center;
    gap: 8px; padding: 0 16px;
    transition: box-shadow 0.3s ease;
  }
  .nav.scrolled { box-shadow: 0 2px 16px rgba(92,74,58,0.06); }
  .nav-links {
    display: flex; align-items: center; gap: 4px;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; flex: 1; justify-content: center;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-link {
    font-size: 12px; font-weight: 500; color: var(--text-light);
    text-decoration: none; padding: 6px 12px; border-radius: 20px;
    white-space: nowrap; transition: all 0.25s ease;
  }
  .nav-link:hover, .nav-link.active {
    background: rgba(198,122,92,0.1); color: var(--terracotta);
  }
  .lang-btn {
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 11px; font-weight: 500; color: var(--brown);
    background: var(--warm-white);
    border: 1px solid rgba(232,196,184,0.3);
    border-radius: 16px; padding: 5px 12px;
    cursor: pointer; white-space: nowrap;
    transition: all 0.25s ease; flex-shrink: 0;
  }
  .lang-btn:hover { border-color: var(--terracotta); color: var(--terracotta); }

  /* ── Layout ── */
  .container { max-width: 820px; margin: 0 auto; padding: 0 24px; }
  section { padding: 72px 0; }

  /* ── Hero ── */
  .hero {
    text-align: center; padding: 80px 24px 64px;
    position: relative; overflow: hidden;
  }
  .hero::before {
    content: ''; position: absolute;
    top: -120px; left: 50%; transform: translateX(-50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(232,196,184,0.3) 0%, transparent 70%);
    pointer-events: none; z-index: 0;
  }
  .hero > * { position: relative; z-index: 1; }
  .hero-icon { font-size: 48px; margin-bottom: 20px; display: inline-block; }
  .hero h1 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(32px, 6vw, 54px);
    font-weight: 400; color: var(--brown);
    line-height: 1.25; margin-bottom: 16px;
  }
  .hero h1 span { color: var(--terracotta); }
  .hero p {
    font-size: 16px; color: var(--text-light);
    max-width: 440px; margin: 0 auto; font-weight: 300;
  }

  /* ── Price Card ── */
  .price-section { text-align: center; padding: 32px 0 72px; }
  .price-card {
    display: inline-block; background: var(--warm-white);
    border: 2px solid var(--blush-light); border-radius: 24px;
    padding: 40px 56px;
    box-shadow: 0 8px 40px rgba(92,74,58,0.06);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }
  .price-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(92,74,58,0.1);
  }
  .price-badge {
    display: inline-block; background: var(--sage-light);
    color: var(--brown); font-size: 11px; font-weight: 500;
    letter-spacing: 2px; padding: 6px 16px; border-radius: 20px;
    margin-bottom: 20px;
  }
  .price-amount {
    font-family: 'DM Serif Display', serif;
    font-size: 56px; color: var(--terracotta); line-height: 1; margin-bottom: 8px;
  }
  .price-amount .dollar { font-size: 28px; vertical-align: top; margin-right: 2px; }
  .price-note { font-size: 13px; color: var(--text-light); font-weight: 300; }

  /* ── Section Headers ── */
  .section-label {
    font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
    color: var(--terracotta); text-align: center; margin-bottom: 8px; font-weight: 500;
  }
  .section-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(24px, 4vw, 34px); font-weight: 400;
    color: var(--brown); text-align: center; margin-bottom: 40px;
  }

  /* ── Services ── */
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px;
  }
  .service-card {
    background: var(--warm-white); border-radius: 16px; padding: 28px 24px;
    border: 1px solid rgba(232,196,184,0.3);
    transition: transform 0.3s ease, border-color 0.3s ease; text-align: center;
  }
  .service-card:hover { transform: translateY(-3px); border-color: var(--blush); }
  .service-icon {
    width: 48px; height: 48px; background: var(--blush-light);
    border-radius: 12px; display: flex; align-items: center;
    justify-content: center; font-size: 22px; margin: 0 auto 14px;
  }
  .service-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; color: var(--brown); }
  .service-card p { font-size: 13px; color: var(--text-light); font-weight: 300; line-height: 1.7; }

  /* ── Responsibility Table ── */
  .resp-table-wrap {
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    border-radius: 16px; box-shadow: 0 4px 24px rgba(92,74,58,0.05);
  }
  .resp-table {
    width: 100%; border-collapse: collapse; background: var(--warm-white);
    border-radius: 16px; overflow: hidden; min-width: 680px;
  }
  .resp-table thead th {
    font-size: 12px; font-weight: 500; color: var(--text-light);
    padding: 14px 12px; text-align: center;
    background: rgba(232,196,184,0.12);
    border-bottom: 2px solid rgba(232,196,184,0.25); white-space: nowrap;
  }
  .resp-table thead th:first-child, .resp-table thead th:nth-child(2) { text-align: left; }
  .resp-table thead th.col-us { color: var(--terracotta); }
  .resp-table thead th.col-you { color: var(--brown); }
  .resp-table thead th.col-other { color: var(--sage); }
  .resp-table td {
    padding: 12px; font-size: 13px;
    border-bottom: 1px solid rgba(232,196,184,0.12);
    text-align: center; vertical-align: middle; color: var(--text);
  }
  .resp-table td.step-name {
    text-align: left; font-weight: 500; font-size: 13px;
    color: var(--brown); white-space: nowrap; min-width: 110px;
  }
  .resp-table td.detail {
    text-align: left; font-weight: 300; font-size: 12px;
    color: var(--text-light); line-height: 1.6; min-width: 200px;
  }
  .resp-table tr.section-row td {
    background: rgba(232,196,184,0.08); font-weight: 700; font-size: 13px;
    color: var(--brown); padding: 10px 12px; text-align: left;
    border-bottom: 1px solid rgba(232,196,184,0.2);
  }
  .resp-table tbody tr:hover:not(.section-row) { background: rgba(232,196,184,0.06); }
  .badge {
    display: inline-block; font-size: 11px; font-weight: 500;
    padding: 3px 10px; border-radius: 10px; white-space: nowrap;
  }
  .badge.us { background: rgba(198,122,92,0.12); color: var(--terracotta); }
  .badge.you { background: rgba(92,74,58,0.08); color: var(--brown); }
  .badge.other { background: var(--sage-light); color: #5a7a5e; }
  .resp-summary {
    display: flex; flex-direction: column; gap: 12px; margin-top: 24px; padding: 24px;
    background: var(--warm-white); border-radius: 12px;
    border: 1px solid rgba(232,196,184,0.25);
  }
  .resp-summary-item {
    display: flex; align-items: center; gap: 12px;
    font-size: 13px; color: var(--text-light); font-weight: 300;
  }
  .resp-summary-item strong { color: var(--brown); font-weight: 500; }

  /* ── Comparison ── */
  .comparison-table {
    width: 100%; border-collapse: collapse; background: var(--warm-white);
    border-radius: 16px; overflow: hidden;
    box-shadow: 0 4px 24px rgba(92,74,58,0.05);
  }
  .comparison-table th {
    font-size: 12px; font-weight: 500; color: var(--text-light);
    padding: 16px 20px; text-align: center;
    background: rgba(232,196,184,0.12);
    border-bottom: 1px solid rgba(232,196,184,0.2);
  }
  .comparison-table th:first-child { text-align: left; }
  .comparison-table th.highlight { color: var(--terracotta); }
  .comparison-table td {
    padding: 16px 20px; text-align: center; font-size: 15px;
    border-bottom: 1px solid rgba(232,196,184,0.12);
  }
  .comparison-table td:first-child {
    text-align: left; font-weight: 500; font-size: 14px; color: var(--brown);
  }
  .comparison-table tr:last-child td { border-bottom: none; }
  .old-price { color: #bbb; text-decoration: line-through; font-family: 'DM Serif Display', serif; }
  .new-price { color: var(--terracotta); font-weight: 700; font-family: 'DM Serif Display', serif; font-size: 17px; }
  .savings {
    display: inline-block; background: var(--sage-light); color: var(--brown);
    font-size: 11px; padding: 3px 10px; border-radius: 10px; font-weight: 500;
  }

  /* ── Steps ── */
  .steps {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px; text-align: center;
  }
  .step-num {
    font-family: 'DM Serif Display', serif;
    font-size: 36px; color: var(--blush); margin-bottom: 8px;
  }
  .step h3 { font-size: 15px; font-weight: 700; color: var(--brown); margin-bottom: 6px; }
  .step p { font-size: 13px; color: var(--text-light); font-weight: 300; }

  /* ── FAQ ── */
  .faq-list { max-width: 600px; margin: 0 auto; }
  .faq-item {
    border-bottom: 1px solid rgba(232,196,184,0.25);
    padding: 18px 0; cursor: pointer; user-select: none;
  }
  .faq-q {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 15px; font-weight: 500; color: var(--brown);
  }
  .faq-toggle {
    font-size: 20px; color: var(--terracotta);
    transition: transform 0.3s ease; flex-shrink: 0; margin-left: 12px; line-height: 1;
  }
  .faq-item.open .faq-toggle { transform: rotate(45deg); }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
  .faq-item.open .faq-a { max-height: 200px; }
  .faq-a p { padding-top: 10px; font-size: 14px; color: var(--text-light); font-weight: 300; line-height: 1.8; }

  /* ── CTA ── */
  .cta { text-align: center; padding: 64px 24px 80px; }
  .cta-flower { font-size: 28px; margin-bottom: 16px; }
  .cta h2 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(24px, 4vw, 34px); font-weight: 400;
    color: var(--brown); margin-bottom: 12px;
  }
  .cta p { font-size: 15px; color: var(--text-light); font-weight: 300; margin-bottom: 28px; }
  .cta-btn {
    display: inline-block; background: var(--terracotta); color: #fff;
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 14px; font-weight: 500; letter-spacing: 2px;
    padding: 14px 40px; border-radius: 50px; border: none;
    cursor: pointer; text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  }
  .cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(198,122,92,0.3); background: #b86c50;
  }

  /* ── Footer ── */
  footer {
    text-align: center; padding: 24px;
    border-top: 1px solid rgba(232,196,184,0.2);
    font-size: 12px; color: var(--text-light); font-weight: 300;
  }

  /* ── Responsive ── */

  /* Tablet */
  @media (max-width: 768px) {
    .hero { padding: 64px 20px 48px; }
    .hero h1 { font-size: 36px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .comparison-table th, .comparison-table td { padding: 14px 12px; }
    .resp-summary { padding: 20px; }
  }

  /* Mobile */
  @media (max-width: 520px) {
    :root { --nav-h: 48px; }
    body { padding-top: 48px; }

    /* Nav */
    .nav { padding: 0 8px; gap: 4px; }
    .nav > a { display: none; }
    .nav-link { font-size: 11px; padding: 5px 8px; }
    .lang-btn { font-size: 10px; padding: 4px 10px; }

    /* Hero */
    .hero { padding: 48px 16px 40px; }
    .hero::before { width: 350px; height: 350px; top: -80px; }
    .hero-icon { font-size: 36px; margin-bottom: 12px; }
    .hero h1 { font-size: 28px; margin-bottom: 12px; }
    .hero p { font-size: 14px; }

    /* Price */
    .price-section { padding: 24px 0 48px; }
    .price-card { padding: 28px 24px; width: calc(100% - 48px); }
    .price-amount { font-size: 44px; }
    .price-badge { font-size: 10px; padding: 5px 12px; }

    /* Sections */
    section { padding: 48px 0; }
    .container { padding: 0 16px; }
    .section-label { font-size: 10px; letter-spacing: 3px; }
    .section-title { font-size: 22px; margin-bottom: 28px; }

    /* Services */
    .services-grid { grid-template-columns: 1fr; gap: 12px; }
    .service-card { padding: 20px 16px; }
    .service-icon { width: 40px; height: 40px; font-size: 18px; }

    /* Table */
    .resp-table { min-width: 580px; }
    .resp-table thead th { font-size: 11px; padding: 10px 8px; }
    .resp-table td { padding: 10px 8px; font-size: 12px; }
    .resp-table td.step-name { font-size: 12px; }
    .resp-table td.detail { font-size: 11px; min-width: 160px; }
    .badge { font-size: 10px; padding: 2px 8px; }
    .resp-summary { padding: 16px; gap: 10px; }
    .resp-summary-item { font-size: 12px; gap: 8px; }

    /* Comparison */
    .comparison-table th, .comparison-table td { padding: 12px 8px; font-size: 12px; }
    .comparison-table td:first-child { font-size: 12px; }
    .new-price { font-size: 14px; }
    .old-price { font-size: 13px; }
    .savings { font-size: 10px; padding: 2px 8px; }

    /* Steps */
    .steps { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .step-num { font-size: 28px; }
    .step h3 { font-size: 13px; }
    .step p { font-size: 12px; }

    /* FAQ */
    .faq-q { font-size: 14px; }
    .faq-a p { font-size: 13px; }
    .faq-toggle { font-size: 18px; }

    /* CTA */
    .cta { padding: 48px 16px 64px; }
    .cta h2 { font-size: 24px; }
    .cta p { font-size: 14px; }
    .cta-btn { padding: 12px 32px; font-size: 13px; }

    /* Footer */
    footer { padding: 20px 16px; font-size: 11px; }
  }

  /* Small mobile */
  @media (max-width: 360px) {
    .hero h1 { font-size: 24px; }
    .price-amount { font-size: 38px; }
    .price-card { padding: 24px 16px; }
    .steps { grid-template-columns: 1fr; }
    .comparison-table th, .comparison-table td { padding: 10px 6px; font-size: 11px; }
    .new-price { font-size: 13px; }
  }