:root {
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --ink: #161410;
  --muted: #5e584e;
  --accent: #b5441f;
  --accent-2: #8f3316;
  --mark: #edd56a;
  --line: #ddd3c3;
  --card: #fffaf3;
  --sticky: #1c1915;
  --ok: #2d5a3d;
  --radius: 14px;
  --max: 1080px;
  --sticky-h: 96px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-bottom: 110px;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", ui-sans-serif, system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  padding-bottom: var(--sticky-h);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.kicker {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.hero {
  padding: 72px 0 40px;
  text-align: center;
}

.hero .eyebrow {
  color: var(--accent);
  font-weight: 600;
  margin: 20px 0 10px;
}

.hero h1 {
  font-family: "Noto Serif TC", serif;
  font-weight: 700;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.25;
  margin: 0 auto 18px;
  max-width: 18em;
}

.hero h1 .mark {
  background: linear-gradient(transparent 62%, var(--mark) 62%);
}

.banner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #f6e6c8;
  border-radius: 999px;
  padding: 8px 14px 8px 8px;
  margin: 0 auto 18px;
  font-size: 14px;
}

.banner b {
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
}

.lede {
  max-width: 40em;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 18px;
}

.lede strong {
  color: var(--accent);
  font-weight: 600;
}

.hero-visual {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px 24px 8px;
  text-align: left;
  max-width: 860px;
  margin: 0 auto;
}

.pack {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  align-items: center;
}

.pack-copy h2 {
  font-family: "Noto Serif TC", serif;
  font-size: 28px;
  margin: 0 0 8px;
}

.price-stamp {
  display: inline-block;
  border: 3px solid var(--accent);
  color: var(--accent);
  border-radius: 8px;
  padding: 6px 12px;
  transform: rotate(-8deg);
  font-weight: 800;
  margin-top: 12px;
}

.price-block {
  text-align: center;
  padding: 48px 0 24px;
}

.price-block .num {
  font-family: "Noto Serif TC", serif;
  font-size: clamp(48px, 8vw, 80px);
  line-height: 1;
}

.price-block .num span {
  background: var(--mark);
  padding: 0 8px;
}

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

.tools {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 8px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

section {
  padding: 72px 0;
}

.band {
  background: var(--paper-2);
}

h2 {
  font-family: "Noto Serif TC", serif;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.3;
  margin: 0 0 12px;
  text-align: center;
}

.sub {
  text-align: center;
  color: var(--muted);
  max-width: 40em;
  margin: 0 auto 36px;
}

.center-label {
  text-align: center;
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.card h3 {
  margin: 8px 0;
  font-size: 18px;
}

.num-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
}

.demo {
  margin-top: 28px;
  background: #1c1915;
  color: #f4efe6;
  border-radius: 24px;
  padding: 32px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
}

.demo h3 {
  font-family: "Noto Serif TC", serif;
  font-size: 30px;
  margin: 8px 0 12px;
}

.chip {
  display: inline-block;
  background: #3a342c;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 13px;
}

.phone {
  aspect-ratio: 9 / 16;
  max-width: 240px;
  margin: 0 auto;
  border-radius: 28px;
  background: #2a241c;
  border: 1px solid #4a4338;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
}

.phone strong {
  font-size: 22px;
  line-height: 1.25;
}

.grid-8 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.variant {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 160px;
}

.variant .tag {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
}

.variant h3 {
  margin: 8px 0 6px;
  font-size: 16px;
}

.variant p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.checks {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  color: var(--ok);
  font-weight: 600;
}

.reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.callout {
  border: 1px dashed var(--accent);
  border-radius: 18px;
  padding: 22px;
  text-align: center;
  margin: 28px auto 0;
  max-width: 720px;
}

.pain-list {
  max-width: 720px;
  margin: 0 auto;
}

.pain-list li {
  list-style: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.pain-list {
  padding: 0;
}

.pain-list li::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
}

.timeline {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.timeline article {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.timeline b {
  color: var(--accent);
}

.diff {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.compare {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 10px;
}

.compare article {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
}

.compare .win {
  border-color: var(--accent);
}

.who {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.who ul {
  margin: 0;
  padding-left: 1.2em;
}

.order {
  max-width: 560px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  scroll-margin-bottom: 110px;
}

.order h3 {
  margin-top: 0;
}

.stack {
  padding: 0;
  margin: 0 0 16px;
}

.stack li {
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.total {
  display: flex;
  justify-content: space-between;
  font-size: 28px;
  font-family: "Noto Serif TC", serif;
  margin: 12px 0 20px;
}

.btn {
  display: block;
  width: 100%;
  text-align: center;
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-family: inherit;
  font-size: 16px;
  border: 0;
  border-radius: 12px;
  padding: 16px 18px;
  cursor: pointer;
}

.btn:hover {
  background: var(--accent-2);
}

.order-form {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.order-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
}

.order-form input,
.order-form select {
  font: inherit;
  font-weight: 400;
  padding: 12px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}

.order-form .hp {
  position: absolute;
  left: -9999px;
  height: 0;
  width: 0;
  opacity: 0;
}

.note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 14px;
}

.faq {
  padding-bottom: 48px;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  scroll-margin-bottom: 110px;
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
}

.faq p {
  color: var(--muted);
  margin: 10px 0 4px;
}

.final {
  background: #1c1915;
  color: #f4efe6;
  text-align: center;
}

.final .sub {
  color: #cfc6b8;
}

.sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--sticky);
  color: #fff;
  text-decoration: none;
  text-align: center;
  padding: 14px 16px 16px;
  z-index: 20;
}

.sticky small {
  display: block;
  opacity: 0.75;
  font-size: 12px;
  margin-top: 2px;
}

@media (max-width: 860px) {
  .pack,
  .demo,
  .diff,
  .who,
  .steps,
  .reasons {
    grid-template-columns: 1fr;
  }

  .grid-8 {
    grid-template-columns: 1fr 1fr;
  }

  .timeline article {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .grid-8 {
    grid-template-columns: 1fr;
  }

  .wrap {
    width: min(var(--max), calc(100% - 28px));
  }
}