:root {
  color-scheme: light;
  --ink: #173a31;
  --muted: #5a6b64;
  --green: #087a61;
  --green-dark: #12463b;
  --green-soft: #ecf5e1;
  --coral: #c94f34;
  --gold: #b7791f;
  --line: #d8e1dc;
  --surface: #ffffff;
  --surface-alt: #f5f7f6;
  --warning: #fff6df;
  --max-width: 1040px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}

a {
  color: var(--green-dark);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--coral);
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(216, 225, 220, 0.92);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.header-inner,
.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 750;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--green-dark);
}

.intro {
  border-bottom: 1px solid var(--line);
  background: var(--green-soft);
}

.intro-inner {
  min-height: 370px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  align-items: center;
  gap: 64px;
  padding: 60px 0 54px;
}

.intro-copy {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 750;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--ink);
  letter-spacing: 0;
  line-height: 1.28;
}

h1 {
  margin-bottom: 18px;
  font-size: 44px;
}

h2 {
  margin-bottom: 18px;
  font-size: 27px;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.lead {
  margin: 0;
  max-width: 660px;
  color: #3f514a;
  font-size: 18px;
}

.intro-logo {
  width: 220px;
  height: 220px;
  border: 1px solid rgba(8, 115, 76, 0.16);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(23, 35, 31, 0.13);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border: 1px solid var(--green);
  border-radius: 6px;
  background: var(--green);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  background: var(--green-dark);
  color: #ffffff;
}

.button.secondary {
  background: transparent;
  color: var(--green-dark);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.74);
}

.quick-links {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.quick-links .container {
  display: flex;
  gap: 10px 24px;
  padding: 17px 0;
  overflow-x: auto;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 650;
}

.quick-links a {
  text-decoration: none;
}

.content-section {
  padding: 56px 0;
  scroll-margin-top: 88px;
}

.content-section.alt {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-alt);
}

.section-intro {
  max-width: 760px;
  margin: -8px 0 28px;
  color: var(--muted);
}

.steps,
.plain-list {
  margin: 0;
  padding-left: 1.35rem;
}

.steps li,
.plain-list li {
  margin: 8px 0;
  padding-left: 4px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-item,
.contact-panel,
details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.feature-item {
  padding: 22px;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
}

.feature-item .label {
  display: block;
  margin-bottom: 7px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 750;
}

.notice {
  margin: 28px 0 0;
  padding: 18px 20px;
  border-left: 4px solid var(--gold);
  background: var(--warning);
  color: #554627;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  padding: 0 18px;
}

summary {
  padding: 17px 0;
  cursor: pointer;
  color: var(--ink);
  font-weight: 720;
}

details p,
details ol,
details ul {
  margin-top: 0;
  color: var(--muted);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: 26px;
  border-color: rgba(8, 115, 76, 0.32);
}

.contact-panel p {
  margin: 6px 0 0;
  color: var(--muted);
}

.policy-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
  gap: 56px;
}

.policy-toc {
  position: sticky;
  top: 92px;
  border-left: 2px solid var(--line);
  padding-left: 18px;
}

.policy-toc strong {
  display: block;
  margin-bottom: 10px;
}

.policy-toc a {
  display: block;
  padding: 5px 0;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.policy-body section {
  margin-bottom: 48px;
  scroll-margin-top: 92px;
}

.policy-body p {
  margin: 10px 0;
}

.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--surface-alt);
  color: var(--ink);
  font-size: 14px;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #17231f;
  color: #d8e3dd;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0;
  font-size: 14px;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: #ffffff;
}

@media (max-width: 760px) {
  .header-inner,
  .container {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .header-inner {
    min-height: 62px;
  }

  .site-nav {
    gap: 13px;
    font-size: 13px;
  }

  .brand span {
    display: none;
  }

  .intro-inner {
    min-height: auto;
    grid-template-columns: 1fr 88px;
    gap: 20px;
    padding: 42px 0 38px;
  }

  .intro-logo {
    width: 88px;
    height: 88px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 24px;
  }

  .lead {
    font-size: 16px;
  }

  .actions {
    grid-column: 1 / -1;
    margin-top: 20px;
  }

  .feature-grid,
  .policy-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .policy-toc {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 14px;
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 18px;
  }

  .policy-toc strong {
    grid-column: 1 / -1;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .site-nav a:first-child:not([aria-current="page"]) {
    display: none;
  }

  .intro-inner {
    grid-template-columns: 1fr;
  }

  .intro-logo {
    order: -1;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

button.button { font: inherit; cursor: pointer; }
.skip-link { position: absolute; left: 12px; top: -80px; z-index: 100; padding: 8px 14px; background: white; }
.skip-link:focus { top: 8px; }
.site-nav { flex-wrap: wrap; }
.policy-body, .intro-copy { min-width: 0; }
.policy-body a, .contact-panel a { overflow-wrap: anywhere; }
@media print { .site-header, .site-footer, .policy-toc, .quick-links, .print-action { display: none; } .intro-inner { min-height: auto; padding: 18px 0; grid-template-columns: 1fr; } .intro-logo { display: none; } .policy-layout { display: block; } .container { width: 100%; } .data-table { min-width: 0; } .content-section { padding: 20px 0; } .policy-body section { break-inside: avoid; } a { color: inherit; } }