:root {
  color: #1d2038;
  background: #f5f6fb;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body { margin: 0; }

.policy-shell {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 72px;
}

.back-link {
  color: #4a7fd4;
  font-size: 14px;
  text-decoration: none;
}

.back-link:hover,
.policy-card a:hover { text-decoration: underline; }

.policy-hero {
  padding: 46px 0 32px;
}

.policy-hero img { width: min(208px, 66vw); height: auto; }

.policy-hero p {
  margin: 28px 0 10px;
  color: #69708d;
  font-size: 14px;
}

h1, h2 { color: #0d0f2b; }

h1 {
  margin: 0;
  font-size: clamp(32px, 7vw, 46px);
  letter-spacing: .02em;
}

time { display: block; margin-top: 14px; color: #69708d; font-size: 14px; }

.policy-card {
  padding: clamp(24px, 6vw, 54px);
  border: 1px solid #e2e5f0;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 18px 48px rgb(25 33 79 / 7%);
}

.policy-card > p,
.policy-card section + section { margin-top: 28px; }

.policy-card section { margin-top: 40px; }

h2 { margin: 0 0 14px; font-size: 20px; }

p, dd {
  color: #444a66;
  font-size: 16px;
  line-height: 1.85;
}

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

.policy-card a { color: #365eb9; }

.support-email {
  margin-top: 14px !important;
  font-size: clamp(19px, 4vw, 24px);
  font-weight: 700;
}

.support-faq div {
  grid-template-columns: minmax(112px, 0.44fr) 1fr;
}

.support-faq dt {
  color: #0d0f2b;
  font-size: 15px;
  font-weight: 700;
}

dl { margin: 20px 0 0; }

dl div {
  display: grid;
  grid-template-columns: 126px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid #edf0f6;
}

dt { color: #69708d; font-size: 14px; }
dd { margin: 0; font-size: 15px; }

.policy-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  padding: 0 18px 32px;
  color: #69708d;
  font-size: 13px;
  line-height: 1.7;
  text-align: center;
}

.policy-footer a { color: inherit; }

@media (max-width: 520px) {
  .policy-shell { width: min(100% - 24px, 880px); padding-top: 24px; }
  .policy-hero { padding: 36px 6px 24px; }
  .policy-card { border-radius: 18px; }
  dl div { grid-template-columns: 1fr; gap: 4px; }

  .support-faq div { grid-template-columns: 1fr; }
}