:root {
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: rgba(79, 70, 229, 0.12);
  --accent: #4f46e5;
  --accent-dark: #4338ca;
  --shadow: 0 12px 30px rgba(17, 24, 39, 0.08);
  --radius: 16px;
  --max-width: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: "Inter", "Noto Sans TC", sans-serif;
  background: linear-gradient(180deg, #fff 0%, #f9fafb 100%);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-shell { min-height: 100vh; padding-bottom: 88px; overflow-x: clip; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  width: min(var(--max-width), calc(100% - 24px));
  margin: 8px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(229,231,235,0.9);
  border-radius: 18px;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 20px rgba(17,24,39,0.05);
  flex-wrap: wrap;
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.brand-text { min-width: 0; }
.brand-text strong, .brand-text span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand-symbol.image-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(79,70,229,0.1);
}
.brand-symbol.image-logo img { width: 100%; height: 100%; object-fit: cover; }
.brand-text strong { display: block; font-size: 0.95rem; }
.brand-text span { font-size: 0.75rem; color: var(--muted); }
.nav { display: none; }
.top-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.top-links a {
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(229,231,235,0.9);
  box-shadow: 0 6px 18px rgba(17,24,39,0.05);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.section {
  width: min(var(--max-width), calc(100% - 24px));
  margin: 0 auto;
  padding: 60px 0;
}
.alt-surface { background: var(--bg-alt); }
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow-inline {
  white-space: nowrap;
  letter-spacing: 0.04em;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(28px, 8vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
h2 {
  font-size: clamp(20px, 6vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
h3 { font-size: 1.1rem; margin-bottom: 8px; }
p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  max-width: 32em;
}
.lead { font-size: 15px; }
.hero-grid, .solution-layout, .lead-form-layout { display: grid; gap: 20px; }
.hero-media { order: 1; }
.hero-copy { order: 2; }
.card-shell, .mini-card, .step-card, .pricing-card, .cta-card, .value-pill {
  background: var(--surface);
  border: 1px solid rgba(229,231,235,0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-media {
  overflow: hidden;
  min-height: 220px;
  border-radius: 24px;
}
.hero-media img, .solution-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-actions {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}
.btn {
  min-height: 48px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 20px rgba(79,70,229,0.16); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { border: 1px solid rgba(79,70,229,0.18); background: #fff; color: var(--accent); }
.hero-value-row, .cards, .problem-grid, .steps-grid, .value-grid, .contact-grid, .compare-grid, .faq-grid {
  display: grid;
  gap: 16px;
}
.hero-value-row { margin-top: 20px; }
.hero-copy,
.section-heading,
.solution-side,
.pricing-card,
.cta-card {
  max-width: 100%;
}
.solution-image-card,
.hero-media,
.pricing-card,
.cta-card,
.mini-card,
.step-card,
.value-pill {
  width: 100%;
}
.value-pill, .mini-card, .step-card { padding: 20px; }
.compare-card p { max-width: none; margin-bottom: 8px; }
.highlight-card {
  border-color: rgba(79,70,229,0.22);
  box-shadow: 0 18px 40px rgba(79,70,229,0.14);
}
.value-pill {
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-heading { margin-bottom: 24px; }
.narrow { max-width: 640px; }
.step-card span {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.step-title { color: var(--text); font-weight: 600; }
.solution-image-card { overflow: hidden; }
.solution-side {
  padding: 24px;
  display: grid;
  gap: 16px;
  align-content: center;
}
.section-cta, .centered-actions { margin-top: 20px; }
.pricing-card, .cta-card { padding: 24px; }
.pricing-meta {
  display: grid;
  gap: 12px;
  margin: 18px 0;
  color: var(--text);
  font-weight: 600;
}
.contact-grid a {
  min-height: 48px;
  border-radius: 14px;
  border: 1px solid rgba(229,231,235,0.9);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.lead-form {
  display: grid;
  gap: 12px;
}
.lead-form label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  border: 1px solid rgba(209,213,219,1);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
.lead-form textarea { resize: vertical; min-height: 120px; }
.form-note {
  font-size: 13px;
  color: var(--muted);
  max-width: none;
}
.form-success {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 16px;
  background: #eefcf4;
  border: 1px solid rgba(34,197,94,0.2);
}
.form-success p { max-width: none; }
.trust-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}
.line-qr-wrap {
  margin-top: 20px;
  display: flex;
  justify-content: center;
}
.line-qr-wrap img {
  width: 150px;
  padding: 8px;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
}
.footer {
  width: min(var(--max-width), calc(100% - 24px));
  margin: 0 auto;
  padding: 0 0 24px;
  display: grid;
  gap: 12px;
}
.footer p, .footer-meta { color: var(--muted); }
.footer-meta { display: grid; gap: 8px; font-size: 14px; }
.thankyou-card {
  max-width: 760px;
  margin: 10vh auto 0;
  text-align: center;
}
.thankyou-card p { max-width: none; margin-left: auto; margin-right: auto; }
@media (max-width: 639px) {
  .topbar {
    flex-wrap: wrap;
    align-items: center;
    padding: 10px 12px;
  }
  .top-links {
    width: 100%;
    justify-content: flex-start;
    gap: 8px;
  }
  .top-links a {
    padding: 8px 12px;
    font-size: 13px;
  }
    .brand-symbol.image-logo {
    width: 48px;
    height: 48px;
  }
  .brand-text strong { font-size: 0.875rem; }
  .brand-text span { font-size: 0.6875rem; }
  .eyebrow-inline {
    white-space: normal;
    line-height: 1.5;
  }
  h1 { font-size: clamp(30px, 10vw, 40px); }
  h2 { font-size: clamp(22px, 7vw, 28px); }
  p, .lead { font-size: 15px; max-width: none; }
  .section { padding: 48px 0; }
  .hero-grid, .solution-layout, .lead-form-layout { gap: 16px; }
  .hero-media { min-height: 200px; }
  .hero-actions { grid-template-columns: 1fr; }
  .hero-value-row,
  .problem-grid,
  .steps-grid,
  .value-grid,
  .contact-grid,
  .compare-grid,
  .faq-grid { grid-template-columns: 1fr; }
  .pricing-card, .cta-card, .solution-side { padding: 20px; }
  .footer-meta { gap: 6px; }
}
@media (min-width: 640px) {
  .topbar, .section, .footer { width: min(var(--max-width), calc(100% - 40px)); }
  .top-links {
    justify-content: flex-end;
  }
    .topbar {
    padding: 14px 16px;
    gap: 14px;
  }
  h1 { font-size: clamp(36px, 6vw, 48px); }
  h2 { font-size: clamp(22px, 4vw, 28px); }
  p, .lead { font-size: 16px; }
  .hero-grid { gap: 24px; }
  .problem-grid, .value-grid, .contact-grid, .compare-grid, .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta-card, .pricing-card { padding: 28px; }
}
@media (min-width: 640px) and (max-width: 1024px) {
  .topbar {
    flex-wrap: wrap;
    align-items: center;
  }
  .brand {
    flex: 0 1 auto;
  }
    .section { padding: 72px 0; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-media {
    min-height: 340px;
    max-width: 860px;
    margin: 0 auto;
  }
  .hero-copy {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-value-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .solution-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .lead-form-layout {
    grid-template-columns: 1fr;
  }
  .solution-side {
    max-width: 860px;
    margin: 0 auto;
  }
  .pricing-card, .cta-card {
    max-width: 860px;
    margin: 0 auto;
  }
}
@media (min-width: 1025px) {
  .site-shell { padding-bottom: 0; }
  .topbar {
    width: min(var(--max-width), calc(100% - 48px));
    margin-top: 16px;
    padding: 14px 18px;
  }
  .brand-symbol.image-logo { width: 72px; height: 72px; }
  .brand-text strong { font-size: 1rem; }
  .brand-text span { font-size: 0.8125rem; }
  .nav { display: none; }
    .section {
    width: min(var(--max-width), calc(100% - 48px));
    padding: 108px 0;
  }
  h1 { font-size: clamp(48px, 5vw, 64px); }
  h2 { font-size: clamp(24px, 3vw, 32px); }
  p { font-size: 17px; max-width: 34em; }
  .lead { font-size: 18px; }
  .hero-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 40px;
    align-items: center;
  }
  .hero-media { order: 2; min-height: 520px; }
  .hero-copy { order: 1; }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
  }
  .hero-actions .btn { width: auto; min-width: 160px; }
  .hero-value-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .problem-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .compare-grid, .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .step-card, .mini-card { min-height: 100%; }
  .solution-layout {
    grid-template-columns: 1.4fr .6fr;
    gap: 24px;
    align-items: stretch;
    margin-top: 28px;
  }
  .lead-form-layout {
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
  }
  .value-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pricing-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer {
    width: min(var(--max-width), calc(100% - 48px));
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
  }
  .footer-meta { display: flex; gap: 16px; }
  }