:root {
  color-scheme: light;
  --ink: #15312c;
  --muted: #5d716d;
  --line: #d9e9e4;
  --brand: #087863;
  --brand-deep: #0b4f45;
  --soft: #f0faf7;
  --paper: #ffffff;
  --warn: #8a5a12;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: #f7fbfa;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
}
.nav {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; flex-direction: column; gap: 2px; min-width: 190px; }
.brand strong { font-size: 22px; line-height: 28px; letter-spacing: 0; }
.brand span { font-size: 13px; color: var(--muted); }
.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 15px;
  font-size: 14px;
  color: #314c47;
}
.nav-links a { padding: 6px 0; white-space: nowrap; }
.nav-links a:hover { color: var(--brand); }
.nav-entry {
  padding: 8px 12px !important;
  border-radius: 8px;
  color: #fff !important;
  background: var(--brand);
}
.hero {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #f4fcfa 0%, #fff 54%, #edf8f5 100%);
}
.hero-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 60px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr);
  gap: 46px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  width: max-content;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid #cce8e1;
  color: var(--brand-deep);
  background: #fff;
  font-size: 14px;
  font-weight: 800;
}
h1 {
  margin: 18px 0 14px;
  font-size: clamp(42px, 4vw, 56px);
  line-height: 1.16;
  letter-spacing: 0;
}
.lead {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid var(--brand);
  color: #fff;
  background: var(--brand);
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(8,120,99,.18);
}
.button.secondary { color: var(--brand-deep); background: #fff; box-shadow: none; }
.hero-points {
  display: grid;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  color: #3d5651;
  list-style: none;
  font-size: 15px;
}
.hero-points li { position: relative; padding-left: 18px; }
.hero-points li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
.summary-card {
  padding: 26px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 18px 42px rgba(16,74,65,.08);
}
.summary-card h2 { margin: 0 0 16px; font-size: 22px; line-height: 1.3; }
.summary-card dl, .company-panel dl { margin: 0; display: grid; gap: 12px; }
.summary-card div, .company-panel div {
  display: grid;
  grid-template-columns: 116px minmax(0,1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #eef4f2;
}
.summary-card div:last-child, .company-panel div:last-child { border-bottom: 0; padding-bottom: 0; }
dt { color: var(--muted); font-weight: 700; }
dd { margin: 0; font-weight: 700; color: var(--ink); }
.section {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 64px 0;
}
.section-soft {
  width: 100%;
  max-width: none;
  padding-left: max(24px, calc((100% - 1200px) / 2));
  padding-right: max(24px, calc((100% - 1200px) / 2));
  background: #f0faf7;
  border-block: 1px solid #dceee9;
}
.section-heading { max-width: 760px; margin-bottom: 28px; }
.section-heading span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.section-heading h2 { margin: 8px 0 8px; font-size: 30px; line-height: 1.25; }
.section-heading p { margin: 0; color: var(--muted); font-size: 16px; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.activity-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card-grid article, .support-grid article, .rule-note, .company-panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 22px;
  box-shadow: 0 12px 28px rgba(15,65,57,.05);
}
.card-grid h3, .support-grid h3, .rule-note h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.35; }
.card-grid p, .support-grid p, .rule-note p { margin: 0; color: var(--muted); font-size: 15px; }
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
table { width: 100%; border-collapse: collapse; min-width: 860px; font-size: 15px; }
th, td { padding: 15px 16px; border-bottom: 1px solid #edf4f2; text-align: left; vertical-align: top; }
th { color: #23433d; background: #eff9f6; font-size: 14px; }
tbody tr:last-child td { border-bottom: 0; }
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps li {
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 22px;
  counter-increment: step;
}
.steps li::before {
  content: "0" counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 900;
}
.steps strong { display: block; margin-bottom: 6px; font-size: 18px; }
.steps span { display: block; color: var(--muted); font-size: 15px; }
.rules-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 22px;
  align-items: start;
}
.rules-layout ul {
  margin: 0;
  padding: 24px 26px 24px 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #334e49;
}
.rules-layout li { margin: 8px 0; }
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}
.company-panel { max-width: 900px; }
.site-footer {
  border-top: 1px solid var(--line);
  background: #17342f;
  color: #e8f7f3;
}
.footer-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 32px 0;
  display: grid;
  grid-template-columns: 320px minmax(0,1fr);
  gap: 28px;
}
.footer-inner p { margin: 6px 0 0; color: #b9d2cc; font-size: 14px; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 12px 18px; justify-content: flex-end; align-content: center; }
.footer-inner a { color: #e8f7f3; font-size: 14px; }
@media (max-width: 980px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .hero-inner, .rules-layout, .footer-inner { grid-template-columns: 1fr; }
  .card-grid, .activity-grid, .steps, .support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner nav { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .nav, .hero-inner, .section, .footer-inner { width: min(100% - 32px, 1200px); }
  .hero-inner { padding: 48px 0; }
  h1 { font-size: 38px; }
  .lead { font-size: 17px; }
  .card-grid, .activity-grid, .steps, .support-grid { grid-template-columns: 1fr; }
  .summary-card div, .company-panel div { grid-template-columns: 1fr; gap: 4px; }
}