:root {
  --bg: #f8f3ea;
  --bg-soft: #f2eadf;
  --surface: #ffffff;
  --text: #2b2118;
  --muted: #6a5a4c;
  --brand: #1f5b45;
  --brand-dark: #163e30;
  --accent: #a64a2f;
  --line: #e7dac9;
  --shadow: 0 18px 50px rgba(43, 33, 24, 0.10);
  --radius: 24px;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }
.top-note {
  background: var(--brand-dark);
  color: rgba(255,255,255,.9);
  font-size: 13px;
}
.top-note__inner {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  padding: 10px 0;
}
.hero {
  padding: 22px 0 40px;
  background:
    radial-gradient(circle at top left, rgba(31,91,69,.12), transparent 32%),
    radial-gradient(circle at top right, rgba(166,74,47,.10), transparent 28%),
    var(--bg);
}
.hero__wrap {
  display: grid;
  gap: 28px;
  align-items: center;
}
.hero__logo {
  width: 118px;
  margin-bottom: 10px;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--brand);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 14px;
}
.hero h1,
.section-heading h2,
.two-col h2,
.split-panel h2,
.cta-final h2 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: -.02em;
}
.hero h1 {
  font-size: clamp(34px, 7vw, 60px);
}
.hero__lead,
.section-heading p,
.section__lead,
.prose p,
.book-card p,
.insight-card p,
.feature-box p,
.step-card p,
.cta-final p,
.faq-list p,
.site-footer p {
  color: var(--muted);
}
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 18px;
}
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  color: #fff;
  background: linear-gradient(180deg, #2a7a5d, var(--brand));
  box-shadow: 0 16px 30px rgba(31,91,69,.22);
}
.btn--ghost {
  color: var(--brand);
  border: 1px solid rgba(31,91,69,.18);
  background: rgba(255,255,255,.72);
}
.btn--large { min-height: 58px; padding: 0 28px; font-size: 18px; }
.text-link {
  color: var(--brand);
  font-weight: 800;
}
.trust-list {
  display: flex;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
  flex-wrap: wrap;
}
.trust-list li {
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(31,91,69,.10);
  color: var(--muted);
  font-size: 14px;
}
.hero-cards {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 14px;
}
.hero-card {
  background: rgba(255,255,255,.80);
  border: 1px solid rgba(43,33,24,.06);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.hero-card--large {
  grid-row: span 2;
}
.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 240px;
}
.hero-card__caption {
  padding: 14px 16px 16px;
  background: rgba(255,255,255,.92);
}
.hero-card__caption strong {
  display: block;
  margin-bottom: 4px;
}
.hero-card__caption span {
  color: var(--muted);
  font-size: 14px;
}
.section { padding: 74px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark {
  background: linear-gradient(180deg, #214e3d, #163e30);
  color: #fff;
}
.section-heading,
.cta-final__inner {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 34px;
}
.section-heading h2,
.two-col h2,
.split-panel h2,
.cta-final h2 { font-size: clamp(28px, 4.4vw, 46px); }
.section-heading--light .eyebrow,
.section-heading--light p,
.section--dark .step-card p,
.section--dark .step-card h3 { color: rgba(255,255,255,.88); }
.two-col,
.split-panel {
  display: grid;
  gap: 26px;
}
.prose,
.feature-boxes,
.faq-wrap {
  align-self: start;
}
.book-grid,
.insights-grid,
.steps {
  display: grid;
  gap: 22px;
}
.book-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(43,33,24,.06);
}
.book-card__image {
  background: #efe6db;
}
.book-card__image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.book-card__body {
  padding: 24px;
}
.book-card h3,
.insight-card h3,
.step-card h3,
.feature-box strong {
  margin: 0 0 10px;
  line-height: 1.3;
}
.book-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.book-tag {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(31,91,69,.10);
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 12px;
}
.insight-card,
.feature-box,
.step-card {
  background: var(--surface);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(43,33,24,.05);
}
.insight-card h3 { font-size: 22px; }
.split-panel {
  align-items: center;
}
.feature-boxes { display: grid; gap: 16px; }
.section--dark .step-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: none;
}
.step-card span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
  margin-bottom: 14px;
  font-weight: 800;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-list details {
  background: var(--surface);
  border-radius: 20px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(43,33,24,.05);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 800;
  padding-right: 28px;
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  color: var(--brand);
  font-size: 22px;
  line-height: 1;
}
.faq-list details[open] summary::after { content: '–'; }
.faq-list p { margin: 14px 0 0; }
.cta-final {
  background:
    radial-gradient(circle at top center, rgba(31,91,69,.12), transparent 30%),
    linear-gradient(180deg, #fcf8f2, #f1e6d7);
}
.cta-final__inner {
  background: rgba(255,255,255,.70);
  border-radius: 28px;
  padding: 42px 24px;
  box-shadow: var(--shadow);
}
.fineprint {
  font-size: 13px;
  margin-top: 16px;
}
.site-footer {
  padding: 30px 0 110px;
  background: #f4ebdf;
  border-top: 1px solid var(--line);
}
.site-footer__inner {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
.site-footer p { margin: 4px 0 0; }
.sticky-cta {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  background: rgba(22,62,48,.96);
  color: #fff;
  border-radius: 20px;
  padding: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,.18);
  backdrop-filter: blur(12px);
  z-index: 30;
}
.sticky-cta__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.sticky-cta__text strong { font-size: 14px; }
.sticky-cta__text span {
  opacity: .84;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-cta .btn { min-height: 46px; padding: 0 18px; white-space: nowrap; }

@media (min-width: 768px) {
  .hero { padding: 34px 0 74px; }
  .hero__wrap { grid-template-columns: 1.02fr .98fr; gap: 44px; }
  .book-grid { grid-template-columns: repeat(3, 1fr); }
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .two-col,
  .split-panel { grid-template-columns: .9fr 1.1fr; }
  .site-footer { padding-bottom: 36px; }
  .sticky-cta {
    left: auto;
    right: 24px;
    bottom: 24px;
    width: 360px;
  }
}

@media (max-width: 767px) {
  .hero-card__caption span { display: none; }
  .hero-card img { min-height: 180px; }
  .site-footer__inner { flex-direction: column; align-items: flex-start; }
}