/* ─── xy- Root Variables ─── */
    :root {
      --xy-green-dark:    #0a5c45;
      --xy-green-main:    #117a5e;
      --xy-green-mid:     #1D9E75;
      --xy-green-light:   #5DCAA5;
      --xy-green-pale:    #e1f5ee;
      --xy-green-xpale:   #f4fbf8;
      --xy-gold:          #c8963c;
      --xy-gold-light:    #f5e6cb;
      --xy-text-dark:     #1a1a1a;
      --xy-text-mid:      #3d3d3d;
      --xy-text-muted:    #666;
      --xy-text-light:    #999;
      --xy-bg-white:      #ffffff;
      --xy-bg-soft:       #f9faf8;
      --xy-bg-pale:       #f3f7f5;
      --xy-border:        #dce8e2;
      --xy-border-light:  #eaf2ee;
      --xy-radius-sm:     6px;
      --xy-radius-md:     10px;
      --xy-radius-lg:     16px;
      --xy-radius-xl:     24px;
      --xy-shadow-sm:     0 2px 8px rgba(10,92,69,.07);
      --xy-shadow-md:     0 4px 20px rgba(10,92,69,.10);
      --xy-shadow-lg:     0 8px 40px rgba(10,92,69,.13);
      --xy-font-serif:    'Noto Serif TC', serif;
      --xy-font-sans:     'Noto Sans TC', sans-serif;
      --xy-transition:    0.22s ease;
    }

    /* ─── xy- Base Reset (scoped) ─── */
    .xy-root * { box-sizing: border-box; }
    .xy-root { font-family: var(--xy-font-sans); color: var(--xy-text-dark); background: var(--xy-bg-soft); line-height: 1.7; }
    .xy-root img { max-width: 100%; height: auto; display: block; }
    .xy-root a { color: inherit; text-decoration: none; }

    /* ─── xy- Layout ─── */
    .xy-container {
      max-width: 980px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .xy-section { padding: 56px 0; }
    .xy-section-alt { background: var(--xy-bg-pale); }

    /* ─── xy- Hero ─── */
    .xy-hero {
      background: linear-gradient(135deg, var(--xy-green-dark) 0%, var(--xy-green-main) 55%, var(--xy-green-mid) 100%);
      padding: 70px 0 60px;
      position: relative;
      overflow: hidden;
    }
    .xy-hero::before {
      content: '';
      position: absolute;
      top: -80px; right: -80px;
      width: 360px; height: 360px;
      border-radius: 50%;
      background: rgba(255,255,255,0.05);
      pointer-events: none;
    }
    .xy-hero::after {
      content: '';
      position: absolute;
      bottom: -60px; left: -40px;
      width: 260px; height: 260px;
      border-radius: 50%;
      background: rgba(255,255,255,0.04);
      pointer-events: none;
    }
    .xy-hero-inner {
      position: relative;
      z-index: 1;
    }
    .xy-hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 999px;
      padding: 5px 16px;
      font-size: 13px;
      color: #b2e8d5;
      margin-bottom: 18px;
      letter-spacing: .04em;
    }
    .xy-hero-eyebrow::before {
      content: '';
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--xy-green-light);
      flex-shrink: 0;
    }
    .xy-hero h1 {
      font-family: var(--xy-font-serif);
      font-size: clamp(24px, 4vw, 38px);
      font-weight: 700;
      color: #ffffff;
      margin: 0 0 10px;
      line-height: 1.35;
    }
    .xy-hero-sub {
      font-size: 15px;
      color: #9FE1CB;
      margin: 0 0 28px;
      max-width: 520px;
      line-height: 1.7;
    }
    .xy-hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }
    .xy-btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      color: var(--xy-green-dark);
      border-radius: 999px;
      padding: 13px 26px;
      font-size: 15px;
      font-weight: 700;
      font-family: var(--xy-font-sans);
      border: none;
      cursor: pointer;
      transition: var(--xy-transition);
      box-shadow: 0 2px 12px rgba(0,0,0,.12);
    }
    .xy-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.18); }
    .xy-btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: #E1F5EE;
      border-radius: 999px;
      padding: 12px 24px;
      font-size: 14px;
      font-weight: 500;
      font-family: var(--xy-font-sans);
      border: 1.5px solid rgba(255,255,255,0.35);
      cursor: pointer;
      transition: var(--xy-transition);
    }
    .xy-btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
    .xy-hero-tel-label { font-size: 12px; color: #9FE1CB; display: block; margin-bottom: 2px; }

    /* ─── xy- Trust Bar ─── */
    .xy-trust-bar {
      background: var(--xy-bg-white);
      border-bottom: 1px solid var(--xy-border-light);
      padding: 16px 0;
    }
    .xy-trust-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      list-style: none;
      margin: 0; padding: 0;
    }
    .xy-trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--xy-green-xpale);
      border: 1px solid var(--xy-border-light);
      border-radius: 999px;
      padding: 7px 16px;
      font-size: 13px;
      color: var(--xy-text-mid);
      font-weight: 500;
    }
    .xy-trust-dot {
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--xy-green-mid);
      flex-shrink: 0;
    }

    /* ─── xy- Section Heading ─── */
    .xy-heading-block { margin-bottom: 36px; }
    .xy-label {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .1em;
      color: var(--xy-green-main);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .xy-heading-block h2 {
      font-family: var(--xy-font-serif);
      font-size: clamp(20px, 3vw, 28px);
      font-weight: 700;
      color: var(--xy-text-dark);
      margin: 0 0 8px;
      line-height: 1.3;
    }
    .xy-heading-block p {
      font-size: 15px;
      color: var(--xy-text-muted);
      margin: 0;
      max-width: 540px;
    }
    .xy-heading-block.xy-center { text-align: center; }
    .xy-heading-block.xy-center p { margin: 0 auto; }

    /* ─── xy- Services Grid (圖示卡片) ─── */
    .xy-services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    @media (max-width: 700px) { .xy-services-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 440px) { .xy-services-grid { grid-template-columns: 1fr; } }

    .xy-service-card {
      background: var(--xy-bg-white);
      border: 1px solid var(--xy-border);
      border-radius: var(--xy-radius-lg);
      overflow: hidden;
      transition: var(--xy-transition);
    }
    .xy-service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--xy-shadow-md);
      border-color: var(--xy-green-light);
    }
    .xy-service-card-img {
      width: 100%;
      height: 150px;
      object-fit: cover;
      display: block;
    }
    .xy-service-card-body {
      padding: 14px 16px 16px;
    }
    .xy-service-card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--xy-text-dark);
      margin: 0 0 4px;
    }
    .xy-service-card-desc {
      font-size: 13px;
      color: var(--xy-text-muted);
      margin: 0;
      line-height: 1.6;
    }
    .xy-service-card-link {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 13px;
      color: var(--xy-green-main);
      font-weight: 500;
      margin-top: 8px;
    }
    .xy-service-card-link::after { content: '→'; }

    /* ─── xy- Why Choose (強項) ─── */
    .xy-why-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    @media (max-width: 600px) { .xy-why-grid { grid-template-columns: 1fr; } }

    .xy-why-card {
      background: var(--xy-bg-white);
      border: 1px solid var(--xy-border);
      border-radius: var(--xy-radius-lg);
      padding: 22px 22px 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      transition: var(--xy-transition);
    }
    .xy-why-card:hover { box-shadow: var(--xy-shadow-sm); border-color: var(--xy-green-light); }
    .xy-why-icon-wrap {
      width: 44px; height: 44px;
      border-radius: var(--xy-radius-md);
      background: var(--xy-green-pale);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .xy-why-icon-wrap svg { width: 22px; height: 22px; stroke: var(--xy-green-dark); fill: none; stroke-width: 1.8; }
    .xy-why-card-title { font-size: 15px; font-weight: 700; margin: 0; color: var(--xy-text-dark); }
    .xy-why-card-body { font-size: 14px; color: var(--xy-text-muted); margin: 0; line-height: 1.7; }
    .xy-tel-highlight {
      display: inline-block;
      font-size: 18px;
      font-weight: 700;
      color: var(--xy-green-dark);
      background: var(--xy-green-pale);
      border-radius: var(--xy-radius-sm);
      padding: 4px 14px;
      margin-top: 6px;
    }

    /* ─── xy- Feature Row (圖 + 文) ─── */
    .xy-feat-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: start;
    }
    .xy-feat-row.xy-reverse { direction: rtl; }
    .xy-feat-row.xy-reverse > * { direction: ltr; }
    @media (max-width: 680px) {
      .xy-feat-row,
      .xy-feat-row.xy-reverse { grid-template-columns: 1fr; direction: ltr; }
    }
    .xy-feat-img {
      width: 100%;
      border-radius: var(--xy-radius-xl);
      object-fit: cover;
      box-shadow: var(--xy-shadow-md);
    }
    .xy-feat-content { display: flex; flex-direction: column; gap: 12px; }
    .xy-feat-content h2 {
      font-family: var(--xy-font-serif);
      font-size: clamp(18px, 2.5vw, 24px);
      font-weight: 700;
      color: var(--xy-text-dark);
      margin: 0;
      line-height: 1.35;
    }
    .xy-feat-content h3 {
      font-family: var(--xy-font-serif);
      font-size: clamp(17px, 2.2vw, 22px);
      font-weight: 700;
      color: var(--xy-text-dark);
      margin: 0;
      line-height: 1.35;
    }
    .xy-feat-content p {
      font-size: 14px;
      color: var(--xy-text-muted);
      margin: 0;
      line-height: 1.8;
    }

    /* ─── xy- Chips ─── */
    .xy-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
    .xy-chip {
      border: 1px solid var(--xy-border);
      background: var(--xy-bg-pale);
      border-radius: 999px;
      padding: 5px 14px;
      font-size: 13px;
      color: var(--xy-text-mid);
      font-weight: 500;
    }
    .xy-chip-green {
      border-color: var(--xy-green-light);
      background: var(--xy-green-pale);
      color: var(--xy-green-dark);
    }

    /* ─── xy- Flow Steps ─── */
    .xy-flow { display: flex; flex-direction: column; gap: 0; }
    .xy-flow-item {
      display: flex;
      gap: 16px;
      padding: 16px 0;
      border-bottom: 1px solid var(--xy-border-light);
    }
    .xy-flow-item:last-child { border-bottom: none; padding-bottom: 0; }
    .xy-flow-num {
      width: 34px; height: 34px;
      border-radius: 50%;
      background: var(--xy-green-dark);
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .xy-flow-title { font-size: 15px; font-weight: 700; margin: 0 0 4px; }
    .xy-flow-body { font-size: 13px; color: var(--xy-text-muted); margin: 0; line-height: 1.7; }

    /* ─── xy- Expert Tips ─── */
    .xy-tips-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    @media (max-width: 580px) { .xy-tips-grid { grid-template-columns: 1fr; } }
    .xy-tip-card {
      background: var(--xy-bg-white);
      border-left: 3px solid var(--xy-green-mid);
      border-radius: 0 var(--xy-radius-md) var(--xy-radius-md) 0;
      padding: 16px 18px;
    }
    .xy-tip-card h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--xy-green-dark);
      margin: 0 0 6px;
    }
    .xy-tip-card p {
      font-size: 13px;
      color: var(--xy-text-muted);
      margin: 0;
      line-height: 1.7;
    }

    /* ─── xy- FAQ ─── */
    .xy-faq { display: flex; flex-direction: column; gap: 12px; }
    .xy-faq-item {
      background: var(--xy-bg-white);
      border: 1px solid var(--xy-border);
      border-radius: var(--xy-radius-lg);
      overflow: hidden;
    }
    .xy-faq-q {
      padding: 18px 20px;
      font-size: 15px;
      font-weight: 700;
      color: var(--xy-text-dark);
      cursor: pointer;
      user-select: none;
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }
    .xy-faq-q-badge {
      background: var(--xy-green-dark);
      color: #fff;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 700;
      padding: 2px 8px;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .xy-faq-a {
      padding: 0 20px 18px 20px;
      font-size: 14px;
      color: var(--xy-text-muted);
      line-height: 1.8;
      margin: 0;
      padding-left: 52px;
    }

    /* ─── xy- Batch Partners ─── */
    .xy-batch-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    @media (max-width: 600px) { .xy-batch-grid { grid-template-columns: repeat(2, 1fr); } }
    .xy-batch-card {
      background: var(--xy-bg-white);
      border: 1px solid var(--xy-border);
      border-radius: var(--xy-radius-lg);
      padding: 20px 14px;
      text-align: center;
      transition: var(--xy-transition);
    }
    .xy-batch-card:hover { box-shadow: var(--xy-shadow-sm); border-color: var(--xy-green-light); }
    .xy-batch-icon {
      width: 40px; height: 40px;
      border-radius: 50%;
      background: var(--xy-green-pale);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 10px;
    }
    .xy-batch-icon svg { width: 18px; height: 18px; stroke: var(--xy-green-dark); fill: none; stroke-width: 1.8; }
    .xy-batch-label { font-size: 13px; font-weight: 700; color: var(--xy-text-dark); margin: 0; }

    /* ─── xy- CTA Banner ─── */
    .xy-cta-banner {
      background: linear-gradient(120deg, var(--xy-green-dark) 0%, var(--xy-green-main) 100%);
      border-radius: var(--xy-radius-xl);
      padding: 44px 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    @media (max-width: 640px) { .xy-cta-banner { padding: 32px 24px; flex-direction: column; text-align: center; } }
    .xy-cta-text h2 {
      font-family: var(--xy-font-serif);
      font-size: clamp(18px, 2.5vw, 24px);
      font-weight: 700;
      color: #fff;
      margin: 0 0 6px;
    }
    .xy-cta-text p {
      font-size: 14px;
      color: #9FE1CB;
      margin: 0;
      line-height: 1.7;
    }
    .xy-cta-right { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
    @media (max-width: 640px) { .xy-cta-right { align-items: center; } }
    .xy-cta-tel {
      font-size: 28px;
      font-weight: 700;
      color: #fff;
      letter-spacing: .04em;
    }
    .xy-cta-tel-sub { font-size: 13px; color: #9FE1CB; }

    /* ─── xy- Contact Info ─── */
    .xy-contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    @media (max-width: 560px) { .xy-contact-grid { grid-template-columns: 1fr; } }
    .xy-contact-card {
      background: var(--xy-bg-white);
      border: 1px solid var(--xy-border);
      border-radius: var(--xy-radius-lg);
      padding: 20px 22px;
    }
    .xy-contact-card h3 {
      font-size: 15px;
      font-weight: 700;
      color: var(--xy-text-dark);
      margin: 0 0 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .xy-contact-card h3 svg { width: 18px; height: 18px; stroke: var(--xy-green-main); fill: none; stroke-width: 1.8; flex-shrink: 0; }
    .xy-contact-row {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 7px 0;
      border-bottom: 1px solid var(--xy-border-light);
      font-size: 14px;
    }
    .xy-contact-row:last-child { border-bottom: none; padding-bottom: 0; }
    .xy-contact-label { color: var(--xy-text-muted); min-width: 56px; flex-shrink: 0; }
    .xy-contact-val { color: var(--xy-text-dark); font-weight: 500; }
    .xy-contact-val a { color: var(--xy-green-dark); }

    /* ─── xy- Footer strip ─── */
    .xy-footer-strip {
      background: var(--xy-green-dark);
      padding: 20px 0;
      text-align: center;
    }
    .xy-footer-strip p {
      font-size: 13px;
      color: #9FE1CB;
      margin: 0;
    }

    /* ─── xy- Divider ─── */
    .xy-divider { border: none; border-top: 1px solid var(--xy-border-light); margin: 0; }

    /* ─── xy- Animate on scroll (simple) ─── */
    .xy-fade-up {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .xy-fade-up.xy-visible {
      opacity: 1;
      transform: translateY(0);
    }