:root {
  --mint: #0F766E;
  --mint-2: #115E59;
  --wash: #F0FDFA;
  --ink: #134E4A;
  --muted: #3F6F6A;
  --line: #99F6E4;
  --paper: #FFFFFF;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--wash);
  color: var(--ink);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

a {
  color: var(--mint);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.bar {
  background: var(--mint);
  color: #ECFDF5;
}

.bar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}

.wrap {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

.brand {
  font-weight: 700;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.nav a {
  color: #ECFDF5;
  font-size: 13px;
}

.hero {
  padding: 28px 0 16px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 34px);
  color: var(--mint-2);
  line-height: 1.3;
}

.hero p {
  margin: 0 0 10px;
  max-width: 52em;
}

.matrix-wrap {
  background: var(--paper);
  border: 2px solid var(--mint);
  border-radius: 6px;
  padding: 8px;
  margin: 8px 0 28px;
  overflow-x: auto;
}

.matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.matrix th,
.matrix td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

.matrix th {
  background: var(--mint);
  color: #ECFDF5;
}

.matrix td strong {
  color: var(--mint-2);
}

.block {
  background: var(--paper);
  border-top: 4px solid var(--mint);
  padding: 20px 22px;
  margin-bottom: 16px;
}

.block h2 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--mint);
}

.block p {
  margin: 0 0 12px;
  color: var(--muted);
}

.svg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 12px 0;
}

.svg-card {
  border: 1px solid var(--line);
  padding: 10px;
  font-size: 13px;
}

.svg-card svg {
  display: block;
  margin-bottom: 6px;
}

.steps {
  display: flex;
  gap: 0;
  margin: 12px 0;
  padding: 0;
  overflow-x: auto;
}

.steps li {
  list-style: none;
  min-width: 160px;
  flex: 1;
  border-right: 1px solid var(--line);
  padding: 8px 12px;
  font-size: 14px;
}

.steps li:last-child {
  border-right: 0;
}

.steps b {
  display: block;
  color: var(--mint);
  margin-bottom: 4px;
}

.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.duo div {
  background: var(--wash);
  padding: 12px;
}

.faq {
  padding: 10px 0 28px;
}

.faq h2 {
  color: var(--mint);
}

.faq article {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.faq h3 {
  margin: 0;
  font-size: 16px;
}

.faq p {
  margin: 0 0 8px;
  color: var(--muted);
}

.foot {
  background: var(--mint-2);
  color: #CCFBF1;
  font-size: 13px;
  padding: 20px 0 32px;
}

.foot p {
  margin: 0 0 8px;
}

@media (max-width: 800px) {
  .bar .wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .svg-grid,
  .duo,
  .faq article {
    grid-template-columns: 1fr;
  }

  .steps {
    flex-direction: column;
  }

  .steps li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}