* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto;
}

body {
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #111B21;
  background: #ffffff;
  line-height: 1.7;
}

a {
  color: #075E54;
  text-decoration: none;
}

a:hover {
  color: #128C7E;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #ffffff;
  border-bottom: 3px solid #25D366;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #111B21;
  font-weight: 700;
  font-size: 18px;
  white-space: nowrap;
}

.brand svg {
  display: block;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 16px;
}

.site-nav a {
  font-size: 14px;
  color: #111B21;
}

.site-nav a:hover,
.site-nav a:focus {
  color: #128C7E;
}

.hero {
  background: #e8f7f1;
  padding: 56px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: 36px;
  line-height: 1.35;
  color: #075E54;
  margin-bottom: 20px;
  text-align: left;
}

.hero p {
  text-align: left;
  margin-bottom: 14px;
  font-size: 16px;
}

.hero-art {
  justify-self: end;
}

.section {
  padding: 56px 0;
}

.section h2 {
  font-size: 26px;
  color: #075E54;
  margin-bottom: 12px;
}

.lead {
  margin-bottom: 28px;
  max-width: 760px;
}

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(17, 27, 33, 0.08);
  padding: 22px 20px;
}

.card h3 {
  font-size: 18px;
  margin: 12px 0 10px;
}

.card p {
  font-size: 15px;
}

.icon-slot {
  width: 40px;
  height: 40px;
  color: #128C7E;
}

.icon-slot svg {
  width: 40px;
  height: 40px;
}

.check-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.check-list {
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  margin-bottom: 16px;
  align-items: start;
}

.check-list svg {
  width: 22px;
  height: 22px;
  margin-top: 3px;
  color: #25D366;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(17, 27, 33, 0.08);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
}

th,
td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid #e6ece9;
  vertical-align: top;
  font-size: 15px;
}

th {
  background: #075E54;
  color: #ffffff;
  font-weight: 600;
}

tr:last-child td {
  border-bottom: none;
}

.steps-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(17, 27, 33, 0.08);
  padding: 20px 16px;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #25D366;
  color: #111B21;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 12px;
}

.step h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.arrange {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.note-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.faq-list details {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(17, 27, 33, 0.08);
  padding: 16px 20px;
  margin-bottom: 12px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list details[open] summary {
  color: #128C7E;
}

.faq-list details p {
  margin-top: 10px;
}

.site-footer {
  background: #075E54;
  color: #e8f7f1;
  padding: 40px 0 28px;
}

.footer-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 24px;
}

.site-footer h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: #ffffff;
}

.site-footer p {
  font-size: 14px;
  line-height: 1.7;
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 16px;
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero-grid,
  .cards-3,
  .check-2,
  .steps-4,
  .arrange,
  .note-2,
  .footer-3 {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero-art {
    justify-self: start;
  }
}