:root {
  --bg: #f4efe6;
  --bg-accent: #ebe0cd;
  --surface: rgba(255, 252, 246, 0.92);
  --surface-strong: #fffdf8;
  --line: rgba(60, 76, 62, 0.14);
  --line-strong: rgba(60, 76, 62, 0.24);
  --text: #203128;
  --muted: #5f6f64;
  --accent: #2f6c54;
  --accent-strong: #1d503d;
  --accent-soft: rgba(47, 108, 84, 0.1);
  --shadow: 0 18px 48px rgba(40, 53, 44, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --page-width: 1180px;
  --article-width: 760px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Serif SC", "Source Han Serif SC",
    "Microsoft YaHei", serif;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.75), transparent 36%),
    linear-gradient(180deg, #f7f2e8 0%, #efe5d3 100%);
  line-height: 1.8;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--accent-strong);
  color: #fff;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.page-frame,
.site-shell {
  width: min(calc(100% - 2rem), var(--page-width));
  margin: 0 auto;
}

.home-page {
  min-height: 100vh;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 1.5rem;
  padding: 3rem 0 2rem;
}

.hero-copy,
.hero-panel,
.policy-card,
.policy-article,
.policy-sidebar {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: clamp(1.75rem, 3vw, 3rem);
  border-radius: var(--radius-lg);
}

.hero-badge,
.section-kicker,
.eyebrow,
.policy-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero h1,
.section-heading h2,
.policy-header h1 {
  margin: 0.9rem 0 0;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
}

.hero-intro,
.policy-card p,
.policy-summary,
.policy-article p,
.policy-article li {
  font-size: 1rem;
  color: var(--text);
}

.hero-panel {
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  align-self: stretch;
  background:
    linear-gradient(180deg, rgba(47, 108, 84, 0.12), rgba(255, 255, 255, 0.7)),
    var(--surface);
}

.hero-panel-label,
.hero-panel-note,
.policy-meta,
.policy-card-meta,
.toc-title,
.back-link {
  color: var(--muted);
}

.hero-panel-label {
  margin: 0;
  font-size: 0.92rem;
}

.hero-panel-value {
  margin: 0.5rem 0 1rem;
  font-size: 1.4rem;
  line-height: 1.35;
}

.hero-panel-note {
  margin: 0;
  font-size: 0.94rem;
}

.hero-detail,
.section-copy {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.hero-panel-list {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.hero-panel-list p {
  margin: 0;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.56);
  font-size: 0.92rem;
  color: var(--text);
}

.policy-hub {
  padding: 1rem 0 2rem;
}

.section-heading {
  margin-bottom: 1rem;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 360px));
  gap: 1.1rem;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.policy-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 260px;
  padding: 1.4rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.policy-card:hover,
.policy-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 54px rgba(40, 53, 44, 0.16);
}

.policy-card h3 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.2;
}

.policy-card p {
  margin: 0;
  color: var(--muted);
}

.policy-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: auto;
  font-size: 0.88rem;
}

.policy-card-meta span,
.policy-meta span {
  display: inline-flex;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.policy-page {
  padding-bottom: 6rem;
}

.hero-compact {
  padding-top: 0.4rem;
}

.policy-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0 1rem;
}

.breadcrumbs {
  margin-bottom: 1rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumbs li + li::before {
  content: "/";
  color: rgba(95, 111, 100, 0.7);
}

.breadcrumbs a {
  text-decoration: none;
}

.back-link,
.brand-link {
  text-decoration: none;
  font-size: 0.95rem;
}

.brand-link {
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.policy-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.policy-sidebar {
  position: sticky;
  top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
}

.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.toc-title {
  margin: 0;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.toc-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text);
  padding: 0.55rem 0.95rem;
  font: inherit;
}

.toc-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-panel li + li {
  margin-top: 0.45rem;
}

.toc-panel a {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.45;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.toc-panel a:hover,
.toc-panel a:focus-visible,
.toc-panel a.is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.policy-article {
  padding: clamp(1.25rem, 3vw, 2.5rem);
  border-radius: var(--radius-lg);
}

.policy-header {
  max-width: var(--article-width);
  margin: 0 auto 2rem;
}

.policy-header h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.policy-summary {
  margin: 1rem 0 1.2rem;
  color: var(--muted);
}

.policy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.92rem;
}

.policy-section {
  max-width: var(--article-width);
  margin: 0 auto;
}

.policy-section + .policy-section {
  margin-top: 2.3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.policy-section h2,
.policy-section h3 {
  position: relative;
  scroll-margin-top: 1rem;
}

.policy-section h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.35rem, 2vw, 1.95rem);
  line-height: 1.35;
}

.policy-section h3 {
  margin: 1.5rem 0 0.65rem;
  font-size: 1.05rem;
  line-height: 1.55;
}

.policy-article p,
.policy-article ol,
.policy-article ul {
  margin: 0.75rem 0 0;
}

.policy-article ol,
.policy-article ul {
  padding-left: 1.35rem;
}

.policy-article li + li {
  margin-top: 0.55rem;
}

.policy-article strong {
  color: #17231d;
}

.policy-note,
.contact-box {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.66);
}

.policy-note p,
.contact-box p {
  margin-top: 0;
}

.anchor-link {
  margin-left: 0.45rem;
  color: var(--muted);
  text-decoration: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.policy-section h2:hover .anchor-link,
.policy-section h2:focus-within .anchor-link,
.policy-section h3:hover .anchor-link,
.policy-section h3:focus-within .anchor-link {
  opacity: 1;
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  border: 0;
  border-radius: 999px;
  background: var(--accent-strong);
  color: #fff;
  padding: 0.85rem 1rem;
  box-shadow: 0 16px 36px rgba(29, 80, 61, 0.28);
  font: inherit;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.plain-list {
  list-style: none;
  padding-left: 0;
}

.plain-list li {
  margin-top: 0.7rem;
}

.reference-block {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: rgba(47, 108, 84, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  overflow-wrap: anywhere;
}

.reference-block p {
  margin: 0.35rem 0 0;
}

.reference-block p:first-child {
  margin-top: 0;
}

.reference-block a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  overflow-wrap: anywhere;
}

.table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
}

.policy-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.policy-table th,
.policy-table td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 0.96rem;
  line-height: 1.65;
}

.policy-table thead th {
  background: rgba(47, 108, 84, 0.08);
  color: var(--accent-strong);
  font-weight: 700;
}

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

@media (max-width: 980px) {
  .hero,
  .policy-layout,
  .policy-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }

  .policy-sidebar {
    position: static;
    order: -1;
  }

  .toc-toggle {
    display: none;
  }

  .toc-panel {
    margin-top: 0.5rem;
  }

  .js-enabled .toc-toggle {
    display: inline-flex;
  }

  .js-enabled .toc-panel {
    display: none;
  }

  .js-enabled .toc-panel.is-open {
    display: block;
  }
}

@media (max-width: 640px) {
  body {
    line-height: 1.72;
  }

  .page-frame,
  .site-shell {
    width: min(calc(100% - 1rem), var(--page-width));
  }

  .hero {
    padding-top: 1rem;
  }

  .hero-copy,
  .hero-panel,
  .policy-card,
  .policy-article,
  .policy-sidebar {
    border-radius: 18px;
  }

  .policy-topbar {
    padding-top: 0.9rem;
  }

  .policy-header h1 {
    font-size: 1.9rem;
  }

  .policy-section + .policy-section {
    margin-top: 1.8rem;
    padding-top: 1.6rem;
  }

  .policy-article ol,
  .policy-article ul {
    padding-left: 1.05rem;
  }

  .policy-table th,
  .policy-table td {
    padding: 0.85rem 0.8rem;
  }

  .back-to-top {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}