* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto;
}

body {
  background: #E8F1F2;
  color: #12363f;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  font-size: 16px;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
}

.topbar {
  width: 100%;
  background: #0F4C5C;
  color: #E8F1F2;
}

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: flex-end;
}

.topbar nav a {
  font-size: 13px;
  color: #d5e6e8;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.topbar nav a:hover {
  color: #ffffff;
  border-bottom-color: #5E8C7B;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 36px 0 28px;
}

.hero h1 {
  font-size: 32px;
  line-height: 1.35;
  color: #0F4C5C;
  font-weight: 700;
  max-width: 18em;
}

.hero p {
  margin-top: 14px;
  max-width: 52em;
  color: #24525c;
}

.mega {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
  border: 1px solid #0F4C5C;
}

.mega-col {
  padding: 36px 32px;
}

.mega-col--web {
  background: #0F4C5C;
  color: #E8F1F2;
}

.mega-col--app {
  background: #5E8C7B;
  color: #f3faf6;
}

.mega-kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 10px;
}

.mega h2,
.mega .mega-title {
  font-size: 26px;
  line-height: 1.35;
  margin-bottom: 16px;
  font-weight: 700;
}

.mega p {
  margin-bottom: 12px;
}

.mega p:last-child {
  margin-bottom: 0;
}

.reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  border-left: 1px solid #b7c9cc;
  border-right: 1px solid #b7c9cc;
}

.reason {
  background: #ffffff;
  border-radius: 0;
  border-top: 1px solid #b7c9cc;
  border-bottom: 1px solid #b7c9cc;
  border-right: 1px solid #b7c9cc;
  border-left: 6px solid #5E8C7B;
  padding: 28px 22px;
}

.reason:last-child {
  border-right: none;
}

.reason svg {
  width: 36px;
  height: 36px;
  stroke: #0F4C5C;
  fill: none;
  stroke-width: 1.6;
  margin-bottom: 14px;
}

.reason h3 {
  font-size: 18px;
  color: #0F4C5C;
  margin-bottom: 10px;
}

.block {
  padding: 40px 0;
}

.block h2 {
  font-size: 24px;
  color: #0F4C5C;
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 6px solid #5E8C7B;
  border-radius: 0;
}

.block p {
  margin-bottom: 12px;
}

.panel {
  background: #ffffff;
  border-radius: 0;
  border: 1px solid #c5d4d6;
  border-left: 6px solid #0F4C5C;
  padding: 22px 24px;
  margin: 16px 0;
}

.panel h3 {
  color: #0F4C5C;
  font-size: 17px;
  margin-bottom: 8px;
}

.steps {
  list-style: none;
  margin: 18px 0 0;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  background: #ffffff;
  border-radius: 0;
  border: 1px solid #c5d4d6;
  border-left: 6px solid #5E8C7B;
  padding: 16px 18px 16px 64px;
  position: relative;
  margin-bottom: 10px;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 32px;
  height: 32px;
  background: #0F4C5C;
  color: #E8F1F2;
  text-align: center;
  line-height: 32px;
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 18px;
  background: #ffffff;
  border-left: 6px solid #0F4C5C;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  border: 1px solid #c3d2d4;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #0F4C5C;
  color: #E8F1F2;
  font-weight: 600;
}

tr:nth-child(even) td {
  background: #f4f9f9;
}

.faq-list {
  margin-top: 18px;
  border-top: 1px solid #b7c9cc;
}

.faq-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0;
  background: #ffffff;
  border-bottom: 1px solid #b7c9cc;
}

.faq-q,
.faq-a {
  padding: 18px 20px;
  border-radius: 0;
}

.faq-q {
  background: #dce8ea;
  color: #0F4C5C;
  font-weight: 700;
  border-left: 6px solid #5E8C7B;
}

.faq-a {
  color: #1a3f47;
}

.site-footer {
  background: #0A333D;
  color: #d5e6e8;
  padding: 36px 0 28px;
  margin-top: 20px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.site-footer h3 {
  color: #ffffff;
  font-size: 15px;
  margin-bottom: 10px;
}

.site-footer p {
  font-size: 13px;
  line-height: 1.7;
}

.site-footer .legal {
  margin-top: 22px;
  padding: 0 24px 8px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  font-size: 12px;
  color: #9db8bd;
}

@media (max-width: 900px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .mega,
  .reasons,
  .faq-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 26px;
  }
}
