:root {
  --bg: #0a0d13;
  --fg: #e7edf4;
  --muted: #7c8a9e;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #62d7f7;
  --accent-2: #37d79a;
  --warn: #f2b65d;
  --font-body: "PingFang SC", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #10141d 0%, var(--bg) 100%);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(118, 129, 232, 0.24), 0 0 0 1px rgba(118, 129, 232, 0.88);
}

.page {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.mark {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: block;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.mark img {
  display: block;
  width: 100%;
  height: 100%;
}

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

.back:hover,
.back:focus-visible {
  color: var(--fg);
}

.legal-doc {
  padding: 40px 0 24px;
}

.legal-doc h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 5vw, 36px);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.legal-meta {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 13px;
}

.legal-doc h2 {
  margin: 28px 0 10px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.legal-doc p,
.legal-doc li {
  color: #aab6c6;
}

.legal-doc ul,
.legal-doc ol {
  margin: 0;
  padding-left: 1.25em;
}

.legal-doc li + li {
  margin-top: 6px;
}

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

.faq-item {
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.faq-item h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

.faq-item p {
  margin: 0;
  font-size: 14px;
}

.site-footer {
  padding: 28px 0 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.site-footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  text-align: center;
}

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

.footer-legal a {
  padding: 6px 14px;
  color: #9db0c0;
  font-size: 14px;
}

.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--fg);
}

.footer-legal .sep {
  color: rgba(255, 255, 255, 0.16);
  user-select: none;
}

@media (max-width: 560px) {
  .page { width: min(100% - 28px, 760px); }
  .footer-legal a { padding: 6px 10px; font-size: 13px; }
}