:root {
  --red: #d92d20;
  --red-soft: #fff1f0;
  --blue: #155eef;
  --green: #079455;
  --text: #111827;
  --muted: #667085;
  --line: #e4e7ec;
  --bg: #f6f8fb;
  --card: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: linear-gradient(180deg, #fff, var(--bg) 320px);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

a { color: inherit; text-decoration: none; }

.promo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  color: #344054;
  font-size: 14px;
  font-weight: 800;
}

nav a {
  padding: 8px 10px;
  border-radius: 8px;
}

nav a:hover { background: #f2f4f7; }

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 22px 46px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: end;
  padding: 46px 0 34px;
}

.badge {
  display: inline-flex;
  margin: 0 0 12px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--red-soft);
  color: var(--red);
  font-size: 14px;
  font-weight: 900;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: 42px;
  line-height: 1.16;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 16px 0 0;
  color: #344054;
  font-size: 18px;
  line-height: 1.75;
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 900;
}

.primary {
  background: var(--red);
  color: #fff;
}

.secondary {
  border: 1px solid var(--line);
  background: #fff;
  color: #344054;
}

.summary {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(16, 24, 40, .08);
}

.summary strong {
  color: var(--red);
  font-size: 15px;
}

.summary span {
  color: var(--muted);
  line-height: 1.7;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.info-card {
  min-height: 132px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.dot {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--green);
}

.info-card p {
  margin: 0;
  color: #344054;
  line-height: 1.7;
  font-weight: 700;
}

.content-section {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 26px;
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 16px;
  font-size: 24px;
  letter-spacing: 0;
}

.steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
  color: #344054;
  line-height: 1.75;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.faq-list h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.faq-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.promo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.promo-footer a {
  color: var(--blue);
  font-weight: 900;
  white-space: nowrap;
}

@media (max-width: 820px) {
  .promo-header,
  .promo-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .content-section {
    grid-template-columns: 1fr;
  }

  h1 { font-size: 34px; }

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

@media (max-width: 520px) {
  .promo-header,
  main,
  .promo-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero { padding-top: 28px; }

  h1 { font-size: 30px; }

  .lead { font-size: 16px; }

  .actions a { width: 100%; }
}