:root {
  --bg: #f4f7f4;
  --surface: #ffffff;
  --ink: #14211a;
  --muted: #607067;
  --line: #dbe4de;
  --green: #16784b;
  --green-dark: #0d5232;
  --green-soft: #dff1e7;
  --blue: #2457d6;
  --shadow: 0 24px 70px rgba(20, 33, 26, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(219, 228, 222, 0.9);
  background: rgba(244, 247, 244, 0.92);
  backdrop-filter: blur(18px);
}

.nav-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  margin-right: auto;
  color: var(--ink);
  text-decoration: none;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.brand span {
  color: var(--green);
}

.nav a:not(.brand) {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.hero {
  padding: 92px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 72px;
  align-items: center;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.17;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 760px;
  font-size: clamp(48px, 6vw, 76px);
}

h1 span {
  color: var(--green);
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
}

h3 {
  font-size: 22px;
}

.hero p {
  max-width: 700px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.hero p strong {
  color: var(--ink);
}

.health-panel {
  min-height: 410px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  overflow: hidden;
  border: 1px solid #cde0d3;
  border-radius: 30px;
  background:
    radial-gradient(circle at 78% 15%, rgba(111, 211, 154, 0.34), transparent 36%),
    linear-gradient(145deg, #f7fff9 0%, #dcefe3 100%);
  box-shadow: var(--shadow);
}

.status {
  width: fit-content;
  padding: 7px 12px;
  border: 1px solid #b7d6c2;
  border-radius: 999px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 800;
}

.pulse {
  height: 120px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pulse i {
  width: 11px;
  border-radius: 999px;
  background: var(--green);
  opacity: 0.82;
}

.pulse i:nth-child(1),
.pulse i:nth-child(9) {
  height: 25px;
}

.pulse i:nth-child(2),
.pulse i:nth-child(8) {
  height: 48px;
}

.pulse i:nth-child(3),
.pulse i:nth-child(7) {
  height: 72px;
}

.pulse i:nth-child(4),
.pulse i:nth-child(6) {
  height: 45px;
}

.pulse i:nth-child(5) {
  height: 112px;
  background: var(--blue);
}

.panel-copy strong {
  display: block;
  margin-bottom: 8px;
  font-size: 28px;
}

.panel-copy span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 88px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.step,
.principle {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

.step b {
  display: block;
  margin-bottom: 28px;
  color: var(--green);
  font-size: 13px;
}

.step p,
.principle p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

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

.principle strong {
  display: block;
  margin-bottom: 9px;
  font-size: 18px;
}

.notice {
  padding: 24px 28px;
  border-left: 4px solid var(--green);
  border-radius: 8px 18px 18px 8px;
  background: var(--green-soft);
  color: var(--green-dark);
}

.legal {
  padding: 62px 0 90px;
}

.legal-card {
  padding: clamp(24px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.legal-card h1 {
  font-size: clamp(38px, 5vw, 58px);
}

.meta {
  margin: 12px 0 34px;
  color: var(--muted);
  font-size: 14px;
}

.legal-card h2 {
  margin-top: 38px;
  font-size: 25px;
}

.legal-card h3 {
  margin-top: 28px;
  font-size: 19px;
}

.legal-card p,
.legal-card li {
  color: #435148;
}

.legal-card ul,
.legal-card ol {
  padding-left: 22px;
}

.data-table {
  width: 100%;
  margin: 18px 0;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 14px 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: #eef5f0;
}

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 18px;
}

.link-list a {
  color: var(--green);
  font-weight: 750;
}

footer {
  padding: 28px 0 38px;
  color: var(--muted);
  text-align: center;
  font-size: 12px;
}

footer a {
  color: var(--green-dark);
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid rgba(36, 87, 214, 0.3);
  outline-offset: 3px;
}

@media (max-width: 840px) {
  .hero-grid,
  .principles {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding-top: 60px;
  }
}

@media (max-width: 560px) {
  .wrap {
    width: min(100% - 26px, 1080px);
  }

  .nav-inner {
    gap: 12px;
  }

  .nav a:not(.brand) {
    display: none;
  }

  .hero {
    padding: 48px 0 46px;
  }

  h1 {
    font-size: 41px;
  }

  .hero p {
    font-size: 16px;
  }

  .health-panel {
    min-height: 340px;
    padding: 23px;
    border-radius: 24px;
  }

  .section {
    padding: 62px 0;
  }

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

  .legal {
    padding: 28px 0 60px;
  }

  .legal-card {
    padding: 24px 19px;
    border-radius: 20px;
  }

  .data-table {
    display: block;
    overflow-x: auto;
  }
}