:root {
  --ink: #17201f;
  --muted: #5d6865;
  --paper: #f8f4eb;
  --panel: #fffdf7;
  --line: #d8d0c0;
  --blue: #173f79;
  --green: #0f7a61;
  --gold: #c9982f;
  --red: #b33b32;
  --shadow: 0 24px 70px rgba(33, 35, 30, 0.13);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.65;
}

a {
  color: var(--blue);
  text-underline-offset: 4px;
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: #fffdf7;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
}

.brand-link {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font: 700 0.86rem/1.2 Verdana, Geneva, sans-serif;
}

.nav-links a {
  text-decoration: none;
}

.hero {
  padding: 72px 0 54px;
  background:
    linear-gradient(120deg, rgba(23, 63, 121, 0.11), transparent 42%),
    linear-gradient(180deg, #fffdf7, var(--paper));
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font: 800 0.78rem/1.2 Verdana, Geneva, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 880px;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
}

.lead {
  max-width: 780px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.22rem;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--blue);
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font: 800 0.92rem/1 Verdana, Geneva, sans-serif;
  text-decoration: none;
}

.button.secondary {
  background: #fffdf7;
  color: var(--blue);
}

.payment-hero {
  background:
    linear-gradient(135deg, rgba(15, 122, 97, 0.16), transparent 46%),
    linear-gradient(180deg, #fffdf7, var(--paper));
}

.section {
  padding: 54px 0;
}

.section.alt {
  background: #eef4f1;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 24px;
  align-items: start;
}

.card,
.faq-item,
.step,
.feature {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 30px rgba(33, 35, 30, 0.06);
}

.card,
.feature {
  padding: 22px;
}

.card h3,
.feature h3,
.faq-item h3,
.step h3 {
  font-size: 1.25rem;
}

.card p,
.feature p,
.faq-item p,
.step p,
.step li {
  color: var(--muted);
}

.pricing-grid,
.payment-methods {
  display: grid;
  gap: 16px;
}

.pricing-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.price-card,
.payment-method {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 42px rgba(33, 35, 30, 0.08);
}

.price-card {
  min-height: 250px;
  padding: 24px;
}

.price-card.is-featured {
  border-color: var(--green);
  box-shadow: 0 22px 54px rgba(15, 122, 97, 0.18);
}

.plan-badge {
  display: inline-flex;
  margin-bottom: 20px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #eef4f1;
  color: var(--green);
  font: 800 0.78rem/1 Verdana, Geneva, sans-serif;
}

.price-card strong {
  display: block;
  color: var(--blue);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1;
}

.price-card em {
  display: block;
  margin-top: 10px;
  color: var(--gold);
  font: normal 900 1.35rem/1 Verdana, Geneva, sans-serif;
}

.price-card p,
.payment-method p {
  color: var(--muted);
}

.price-card p {
  margin: 22px 0 0;
}

.payment-method {
  padding: 24px;
}

.payment-method h3 {
  margin-top: 0;
  font-size: 1.35rem;
}

.payid {
  margin: 14px 0;
  padding: 14px 16px;
  border: 1px solid rgba(23, 63, 121, 0.22);
  border-radius: 8px;
  background: #eef4f8;
  color: var(--blue) !important;
  font: 900 1.7rem/1 Verdana, Geneva, sans-serif;
  letter-spacing: 0.04em;
}

.bank-detail-card {
  margin: 18px 0;
  padding: 16px;
  border: 1px solid rgba(23, 63, 121, 0.18);
  border-radius: 8px;
  background: linear-gradient(135deg, #f5f8fb 0%, #fffaf0 100%);
}

.bank-detail-card dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.bank-detail-card div {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(23, 63, 121, 0.12);
}

.bank-detail-card div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.bank-detail-card dt {
  color: var(--muted);
  font: 800 0.78rem/1.25 Verdana, Geneva, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bank-detail-card dd {
  margin: 0;
  color: var(--blue);
  font: 900 1.12rem/1.25 Verdana, Geneva, sans-serif;
  word-break: break-word;
}

.method-note {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding: 14px;
  border-radius: 8px;
  background: #f3ead8;
}

.method-note span {
  color: var(--muted);
}

.wechat-panel {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.wechat-panel img {
  width: min(100%, 260px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.wechat-panel span {
  color: var(--muted);
  font: 800 0.84rem/1.2 Verdana, Geneva, sans-serif;
}

.faq-list,
.steps {
  display: grid;
  gap: 14px;
}

.faq-item,
.step {
  padding: 22px;
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--gold);
  color: #1b1b17;
  font: 900 0.86rem/1 Verdana, Geneva, sans-serif;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.timeline .step {
  min-height: 230px;
}

.quote-panel {
  padding: 24px;
  border-radius: 8px;
  background: #102b55;
  color: #fffdf7;
}

.quote-panel p {
  color: rgba(255, 253, 247, 0.82);
}

.qr-card {
  position: sticky;
  top: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qr-card img {
  width: 240px;
  margin: 0 auto 16px;
}

.success-strip {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 12px;
}

.success-strip img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 8px;
}

.note {
  padding: 16px 18px;
  border-left: 4px solid var(--green);
  background: #fffdf7;
  color: var(--muted);
}

.site-footer {
  padding: 30px 0;
  border-top: 1px solid var(--line);
  background: #fffdf7;
  color: var(--muted);
}

@media (max-width: 850px) {
  .nav,
  .section-head,
  .two-col {
    display: block;
  }

  .nav-links {
    margin-top: 14px;
  }

  .hero {
    padding: 46px 0 34px;
  }

  .grid,
  .timeline,
  .pricing-grid,
  .payment-methods,
  .success-strip {
    grid-template-columns: 1fr;
  }

  .success-strip img {
    height: auto;
  }

  .qr-card {
    position: static;
    margin-top: 20px;
  }
}