:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --line: #d9e2ec;
  --ink: #111827;
  --muted: #667085;
  --brand: #0f766e;
  --brand-deep: #0f172a;
  --soft: #eef7f5;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(14, 116, 144, 0.09), transparent 28%),
    radial-gradient(circle at 90% 8%, rgba(15, 118, 110, 0.12), transparent 24%),
    var(--bg);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

.wrap {
  min-width: 0;
  display: grid;
  gap: 28px;
  width: 100%;
}

.page-shell {
  width: 100%;
  max-width: none;
  margin: 18px 0 40px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-shell-home {
  grid-template-columns: 280px minmax(0, 1fr);
}

.page-head-bar {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid #dce7e5;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.page-head-copy {
  min-width: 0;
  display: grid;
  gap: 8px;
  flex: 1 1 auto;
}

.page-head-mainline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.chapter-rail {
  position: sticky;
  top: 72px;
}

.chapter-rail-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
}

.chapter-rail-kicker {
  margin: 0 0 6px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.chapter-rail-card h2 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.chapter-rail-copy {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.chapter-rail-links {
  display: grid;
  gap: 8px;
}

.chapter-rail-links a {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #dfe8ef;
  background: #fbfdff;
  text-decoration: none;
  color: #334155;
  font-weight: 700;
  line-height: 1.5;
}

.chapter-rail-links a:hover {
  border-color: #b8d7d1;
  background: #ffffff;
}

.kicker-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

.kicker-brand img {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid #d8e6e2;
  background: #fff;
}

.kicker-brand span {
  font-size: 1.08rem;
  line-height: 1.1;
}

.page-head-note {
  margin: 0;
  max-width: 420px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.stage {
  display: grid;
  gap: 14px;
}

.stage-alt {
  position: relative;
  padding: 22px 0 0;
}

.stage-alt::before {
  content: "";
  position: absolute;
  inset: 0 -12px auto;
  height: 100%;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(232, 243, 239, 0.68), rgba(244, 246, 251, 0));
  z-index: -1;
}

.stage-head {
  padding: 8px 6px 2px;
}

.stage-head h2 {
  margin-bottom: 8px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.stage-head p {
  margin: 0;
  max-width: 720px;
  color: var(--muted);
}

.stage-kicker {
  margin: 0 0 6px;
  color: var(--brand);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.hero {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(239, 247, 245, 0.96));
  position: relative;
  overflow: hidden;
  display: grid;
  padding: 32px;
}

.hero-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.hero-nav a {
  text-decoration: none;
  color: var(--brand-deep);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid #d8e6e2;
  background: #ffffff;
}

.hero-nav .hero-nav-main {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(220px, 0.9fr);
  gap: 18px;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: start;
}

.hero-brand {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 12px;
}

.brand-badge {
  width: min(280px, 100%);
  padding: 16px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #dce7e5;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
}

.brand-badge img {
  display: block;
  width: 100%;
  height: auto;
}

.brand-note {
  margin: 0;
  max-width: 280px;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -80px -80px auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.14), transparent 68%);
  pointer-events: none;
}

.kicker {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand);
}

h1 {
  margin: 8px 0 10px;
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  color: var(--brand-deep);
}

.sub {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.hero-pills {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid #cfe1dd;
  background: rgba(255, 255, 255, 0.9);
  color: #164e63;
  font-size: 0.95rem;
  font-weight: 700;
}

.meta-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 1fr));
  gap: 10px;
}

.hero-overview {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 252, 0.96));
}

.hero-overview-head {
  margin-bottom: 6px;
}

.hero-overview-head h2 {
  margin-bottom: 4px;
}

.meta-grid div {
  border: 1px solid #dce7e5;
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.92);
}

.meta-grid span {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.meta-grid strong {
  display: block;
  margin-top: 4px;
}

.actions {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cta-strip {
  padding-top: 10px;
}

.cta-grid,
.doc-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.cta-card,
.doc-card,
.price-card,
.scenario-card {
  display: block;
  border: 1px solid #dde7ef;
  border-radius: 14px;
  padding: 16px;
  background: #fbfdff;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}

.cta-card:hover,
.doc-card:hover {
  border-color: #b8d7d1;
  background: #ffffff;
}

.doc-card-muted {
  background: linear-gradient(180deg, #f7fafc, #f2f6fa);
}

.cta-primary {
  background: linear-gradient(160deg, #0f766e, #14532d);
  color: #fff;
  border-color: transparent;
}

.cta-primary .cta-label {
  color: rgba(255, 255, 255, 0.78);
}

.cta-label,
.price-kicker,
.scenario-kicker {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand);
  margin-bottom: 8px;
}

.cta-card strong {
  display: block;
  font-size: 1.03rem;
  margin-bottom: 8px;
}

.cta-card span:last-child {
  line-height: 1.7;
}

.cta-card strong,
.doc-card h3,
.price-card h3 {
  color: var(--brand-deep);
}

.cta-primary strong {
  color: #fff;
}

.btn {
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  color: #0f172a;
  background: #fff;
  font-weight: 700;
}

.btn.main {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.35rem;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

p, li {
  line-height: 1.82;
}

ul, ol {
  margin: 0;
  padding-left: 20px;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.mini-card,
.faq-item {
  border: 1px solid #dde7ef;
  border-radius: 12px;
  padding: 14px;
  background: #fbfdff;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.scenario-card h3 {
  margin-bottom: 10px;
}

.price-card h3 {
  margin-bottom: 10px;
}

.price-copy {
  margin: 0;
}

.note {
  margin-top: 12px;
}

.muted {
  color: var(--muted);
}

@media (max-width: 760px) {
  .stage-alt::before {
    inset: 0 0 auto;
    border-radius: 20px;
  }

  .page-shell {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 0 14px;
  }

  .chapter-rail {
    position: static;
  }

  .page-head-bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px;
  }

  .hero-nav {
    justify-content: flex-start;
  }

  .page-head-mainline {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid,
  .meta-grid,
  .split-grid,
  .scenario-grid,
  .cta-grid,
  .doc-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.4rem;
  }

  .hero {
    min-height: auto;
    padding: 20px;
  }
}