:root {
  --page: #f2f2f2;
  --surface: #ffffff;
  --text: #17191d;
  --muted: #626a76;
  --line: #dedede;
  --accent: #f45b12;
  --shell: 920px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--text);
  color: #fff;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

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

.header-inner,
.privacy-shell,
.footer-inner {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .13em;
  text-decoration: none;
}

.brand img { width: 28px; height: 28px; }

.header-product {
  color: var(--muted);
  font-size: 14px;
}

.privacy-main { padding: 56px 0 72px; }

.privacy-shell {
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .04);
}

.privacy-hero,
.privacy-content {
  padding-inline: clamp(28px, 6vw, 72px);
}

.privacy-hero {
  padding-top: clamp(42px, 7vw, 68px);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--text);
  line-height: 1.25;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(38px, 6vw, 56px);
  letter-spacing: -.04em;
}

.lead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.policy-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 32px;
  margin: 32px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.policy-meta div { display: grid; gap: 2px; }
.policy-meta dt { color: var(--muted); font-size: 13px; }
.policy-meta dd { margin: 0; font-weight: 700; }

.privacy-content { padding-top: 8px; padding-bottom: 64px; }

.privacy-content section {
  padding-block: 40px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.privacy-content section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.privacy-content h2 {
  margin-bottom: 18px;
  font-size: clamp(24px, 4vw, 32px);
  letter-spacing: -.025em;
}

.privacy-content h3 {
  margin: 30px 0 10px;
  font-size: 19px;
}

.privacy-content p { margin: 12px 0 0; }

.privacy-content ul {
  margin: 14px 0 0;
  padding-left: 1.35em;
}

.privacy-content li + li { margin-top: 7px; }

.summary-note,
.policy-statement {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: #f7f7f7;
}

.summary-note strong,
.policy-statement strong { display: block; margin-bottom: 5px; }

.endpoint {
  display: block;
  overflow-wrap: anywhere;
  margin: 14px 0;
  padding: 12px 14px;
  background: #f1f1f1;
  color: #34383f;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
}

.field-list {
  display: grid;
  grid-template-columns: minmax(140px, .35fr) minmax(0, 1fr);
  margin: 18px 0 0;
  border-top: 1px solid var(--line);
}

.field-list dt,
.field-list dd {
  margin: 0;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.field-list dt {
  padding-right: 18px;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  font-weight: 700;
}

.field-list dd { color: var(--muted); }

.contact-block {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.contact-block p { margin: 5px 0; }
.contact-block a { color: var(--accent); font-weight: 700; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-inner {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner strong { color: var(--text); letter-spacing: .12em; }

@media (max-width: 640px) {
  body { font-size: 15px; }
  .header-inner,
  .privacy-shell,
  .footer-inner { width: min(calc(100% - 28px), var(--shell)); }
  .header-inner { min-height: 66px; }
  .header-product { display: none; }
  .privacy-main { padding: 18px 0 32px; }
  .privacy-hero,
  .privacy-content { padding-inline: 22px; }
  .privacy-hero { padding-top: 34px; padding-bottom: 30px; }
  .lead { font-size: 16px; }
  .policy-meta { grid-template-columns: 1fr; gap: 12px; }
  .privacy-content section { padding-block: 32px; }
  .field-list { grid-template-columns: 1fr; }
  .field-list dt { padding-bottom: 2px; border-bottom: 0; }
  .field-list dd { padding-top: 2px; }
  .footer-inner { min-height: 96px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 4px; }
}

@media print {
  body { background: #fff; }
  .site-header,
  .site-footer { display: none; }
  .privacy-main { padding: 0; }
  .privacy-shell { width: 100%; box-shadow: none; }
}