:root {
  --bg: #020403;
  --ink: #f5f9fe;
  --muted: #aeafb0;
  --line: #183527;
  --green: #35ff8a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 70% 0, rgba(53, 255, 138, 0.16), transparent 36%);
}

a {
  color: inherit;
}

.wrap {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--green);
  font-weight: 950;
  text-decoration: none;
}

.back {
  color: var(--muted);
  text-decoration: none;
}

.back:hover,
.legal-nav a:hover {
  color: var(--green);
}

main {
  padding: 58px 0 80px;
}

.doc {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 16, 11, 0.84);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
}

h2 {
  margin: 34px 0 12px;
  color: var(--green);
  font-size: 22px;
}

p,
li {
  font-size: 15px;
  line-height: 1.8;
}

.meta {
  margin: 0 0 8px;
  color: var(--muted);
}

.notice {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(53, 255, 138, 0.06);
}

.legal-list p {
  margin: 8px 0;
}

.legal-list strong {
  margin-right: 0.35em;
  color: var(--green);
  font-weight: 950;
}

.site-footer {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
  margin-top: 12px;
}

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

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 950;
}

.lang-toggle button {
  appearance: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
}

.lang-toggle button.active,
.lang-toggle button:hover {
  color: var(--green);
}

html[lang="zh-CN"] body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "PingFang SC", "Microsoft YaHei", monospace;
}

html[lang="zh-CN"] .en,
html[lang="en"] .zh {
  display: none;
}

@media (max-width: 560px) {
  header {
    height: auto;
    padding-top: 18px;
    padding-bottom: 18px;
    gap: 14px;
    align-items: flex-start;
    flex-direction: column;
  }

  .doc {
    padding: 24px;
  }
}