:root {
  --bg: #f2efe8;
  --ink: #101a20;
  --muted: #526069;
  --panel: #fffdf7;
  --line: #d4cdc0;
  --brand: #0f5f6f;
  --brand-strong: #0c4956;
  --accent: #b35f38;
  --shadow: 0 12px 36px rgba(15, 35, 46, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Sans", "Noto Sans TC", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #ece8dc 0%, var(--bg) 30%, #f6f2e8 100%);
  line-height: 1.7;
}

.bg-shape {
  position: fixed;
  z-index: -1;
  filter: blur(30px);
  opacity: 0.45;
}

.bg-shape-a {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, #9ec2ba 0%, rgba(158, 194, 186, 0) 70%);
  top: -80px;
  right: -70px;
}

.bg-shape-b {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #dfc3a4 0%, rgba(223, 195, 164, 0) 72%);
  bottom: -60px;
  left: -70px;
}

.topbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: rgba(246, 242, 232, 0.75);
  border-bottom: 1px solid rgba(125, 121, 107, 0.25);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  z-index: 10;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}

.topnav {
  display: flex;
  gap: 12px;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}

.topnav a:hover,
.topnav a:focus-visible {
  color: var(--brand-strong);
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 18px 64px;
}

.section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 28px 24px;
  margin-top: 16px;
}

.hero {
  margin-top: 6px;
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 95, 111, 0.2), rgba(15, 95, 111, 0));
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.2;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(1.7rem, 4.3vw, 2.9rem);
  max-width: 780px;
}

h2 {
  font-size: clamp(1.3rem, 2.6vw, 2rem);
}

h3 {
  font-size: 1.12rem;
}

.kicker {
  display: inline-flex;
  margin: 0 0 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #e6ece4;
  color: #24493f;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.lede {
  max-width: 760px;
  color: #25343d;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  padding: 10px 14px;
}

.btn-primary {
  background: var(--brand);
  color: #f4fbfc;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--brand-strong);
}

.btn-ghost {
  border: 1px solid #b8c0bb;
  color: #2a414a;
  background: #f7f5ef;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: #83918a;
  color: #173039;
}

.hero-metrics {
  margin: 22px 0 2px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hero-metrics li {
  border: 1px solid #d9d1c3;
  border-radius: 14px;
  background: #faf7ef;
  padding: 12px;
}

.hero-metrics strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
}

.hero-metrics span {
  font-size: 0.88rem;
  color: var(--muted);
}

.section-head {
  margin-bottom: 14px;
}

.grid {
  display: grid;
  gap: 12px;
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid #d8d0c3;
  border-radius: 16px;
  background: #fbf9f2;
  padding: 14px;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 6px 0 0;
}

.proof-wrap {
  display: grid;
  gap: 12px;
  grid-template-columns: 1.4fr 1fr;
}

.card-wide {
  min-height: 100%;
}

.checklist {
  margin: 0;
  padding-left: 18px;
}

.checklist li + li {
  margin-top: 8px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
}

.steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  border: 1px dashed #c6bcae;
  border-radius: 14px;
  background: #faf6ee;
  padding: 12px;
}

.contact {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4px 18px 32px;
  color: #5f6d75;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .cards-3 {
    grid-template-columns: 1fr;
  }

  .proof-wrap {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .topbar {
    gap: 10px;
    align-items: flex-start;
    flex-direction: column;
  }

  .topnav {
    flex-wrap: wrap;
  }

  .section {
    padding: 22px 16px;
    border-radius: 18px;
  }
}