@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Syne:wght@600;700;800&display=swap");

:root {
  --ink: #07090d;
  --ink-2: #10151c;
  --mist: #8b98a8;
  --paper: #f3f6f9;
  --line: rgba(255, 255, 255, 0.08);
  --cyan: #3dd6c6;
  --blue: #6aa6ff;
  --max: 760px;
  --font-display: "Syne", "Noto Sans SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--paper);
  background:
    radial-gradient(ellipse 80% 40% at 10% -10%, rgba(61, 214, 198, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 30% at 100% 0%, rgba(91, 157, 255, 0.08), transparent 45%),
    var(--ink);
  line-height: 1.75;
  min-height: 100vh;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { color: #7eefe4; }

.legal-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(18px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 13, 0.78);
  backdrop-filter: blur(16px);
}
.legal-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--paper);
}
.legal-nav-brand::before {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background:
    radial-gradient(circle at 50% 50%, #3dd6c6 0 28%, transparent 29%),
    conic-gradient(from 210deg, #3dd6c6, #6aa6ff, #3dd6c6);
  box-shadow: 0 0 0 3px #0c1218 inset;
}
.legal-nav-brand span { color: var(--cyan); }
.legal-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: flex-end;
  font-size: 0.88rem;
  color: var(--mist);
}
.legal-nav-links a { color: var(--mist); }
.legal-nav-links a:hover { color: var(--paper); }
.legal-nav-links a.is-current { color: var(--paper); }

.legal-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px clamp(18px, 4vw, 40px) 80px;
}
.legal-main h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 10px;
}
.legal-meta {
  color: var(--mist);
  font-size: 0.88rem;
  margin-bottom: 36px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.legal-main h2 {
  font-size: 1.08rem;
  margin: 32px 0 10px;
  color: var(--paper);
}
.legal-main p,
.legal-main li {
  color: var(--mist);
  font-size: 0.96rem;
  margin-bottom: 10px;
}
.legal-main ul {
  padding-left: 1.2em;
  margin-bottom: 12px;
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0 8px;
}
@media (max-width: 640px) {
  .about-cards { grid-template-columns: 1fr; }
}
.about-card {
  padding: 18px 18px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
}
.about-card strong {
  display: block;
  color: var(--paper);
  margin-bottom: 6px;
  font-size: 0.95rem;
}
.about-card span {
  color: var(--mist);
  font-size: 0.88rem;
}
a.about-card {
  display: block;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}
a.about-card:hover {
  color: inherit;
  border-color: rgba(61, 214, 198, 0.32);
  transform: translateY(-2px);
}

.contact-block {
  margin: 8px 0 20px;
  padding: 18px 18px 8px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
}
.contact-block h2 { margin-top: 0; }

.legal-footer {
  border-top: 1px solid var(--line);
  padding: 32px clamp(18px, 4vw, 40px) 44px;
  color: var(--mist);
  font-size: 0.84rem;
  text-align: center;
  background: rgba(0, 0, 0, 0.2);
}
.legal-footer p { margin-bottom: 8px; }
.legal-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: center;
  margin-top: 12px;
}
.legal-footer-links a { color: var(--mist); }
.legal-footer-links a:hover { color: var(--cyan); }

.guide-steps {
  list-style: none;
  padding: 0;
  margin: 16px 0 28px;
  counter-reset: gs;
}
.guide-steps li {
  counter-increment: gs;
  position: relative;
  padding: 16px 16px 16px 56px;
  margin-bottom: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  color: var(--mist);
}
.guide-steps li::before {
  content: counter(gs, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-display);
  color: var(--cyan);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}
.guide-steps strong {
  display: block;
  color: var(--paper);
  margin-bottom: 4px;
  font-size: 0.95rem;
}
.guide-cta {
  display: inline-block;
  margin: 8px 10px 0 0;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(61, 214, 198, 0.16);
  border: 1px solid rgba(61, 214, 198, 0.35);
  color: var(--paper);
  font-size: 0.9rem;
}
.guide-cta.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--mist);
}
.guide-cta:hover { color: var(--paper); }