:root {
  --bg: #0b1020;
  --bg2: #0b1228;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --faint: rgba(255, 255, 255, 0.5);
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 20px 80px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 16px 50px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --radius2: 14px;
  --accent: #5dd6ff;
  --accent2: #7c5cff;
  --ok: #39d98a;
  --danger: #ff6b6b;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "SF Pro Text", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --bg2: #eef1f8;
    --panel: rgba(255, 255, 255, 0.7);
    --panel2: rgba(255, 255, 255, 0.9);
    --text: rgba(10, 18, 35, 0.92);
    --muted: rgba(10, 18, 35, 0.62);
    --faint: rgba(10, 18, 35, 0.46);
    --border: rgba(10, 18, 35, 0.12);
    --shadow: 0 22px 80px rgba(12, 20, 40, 0.14);
    --shadow-soft: 0 16px 50px rgba(12, 20, 40, 0.12);
    --accent: #007aff;
    --accent2: #6b4dff;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1000px 600px at 15% 8%, rgba(124, 92, 255, 0.22), transparent 55%),
    radial-gradient(900px 540px at 88% 16%, rgba(93, 214, 255, 0.18), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height: 1.55;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--panel2);
  border: 1px solid var(--border);
  z-index: 1000;
}
.skip-link:focus {
  left: 12px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  flex: none;
}

.brand-name {
  font-weight: 720;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid transparent;
}

.nav a:hover {
  color: var(--text);
  border-color: var(--border);
  text-decoration: none;
}

.nav a[aria-current="page"] {
  color: var(--text);
  border-color: var(--border);
  background: var(--panel);
}

.nav-cta {
  color: var(--text) !important;
  border-color: color-mix(in srgb, var(--accent) 38%, transparent) !important;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel2) 86%, transparent), var(--panel));
}

/* Hero */
.hero {
  padding: 72px 0 36px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 920px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  display: inline-block;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: 14px;
}

h1 {
  margin: 16px 0 12px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.3px;
}

.lead {
  margin: 0 0 18px;
  font-size: 16.5px;
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  text-decoration: none !important;
  font-weight: 650;
}

.btn:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}

.btn-primary {
  border-color: color-mix(in srgb, var(--accent) 46%, transparent);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 45%, rgba(255, 255, 255, 0.08)),
    color-mix(in srgb, var(--accent2) 40%, rgba(255, 255, 255, 0.08))
  );
}

.btn-ghost {
  background: transparent;
  box-shadow: none;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.hero-card .card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(900px 420px at 20% 0%, rgba(93, 214, 255, 0.12), transparent 60%),
    radial-gradient(720px 380px at 80% 12%, rgba(124, 92, 255, 0.12), transparent 58%),
    linear-gradient(180deg, var(--panel2), var(--panel));
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
}

.card-kicker {
  color: var(--muted);
  font-weight: 650;
  margin-bottom: 10px;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.checklist li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.checklist li::before {
  content: "✓";
  color: var(--ok);
  font-weight: 800;
  margin-top: 0.5px;
}

.card-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-size: 13px;
}

/* Sections */
.section {
  padding: 56px 0;
}

.section-alt {
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

h2 {
  margin: 0 0 10px;
  font-size: 26px;
  letter-spacing: -0.2px;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.muted {
  color: var(--muted);
}

.fineprint {
  color: var(--faint);
  font-size: 13px;
  margin-top: 12px;
}

.grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.feature-group-label {
  margin-top: 28px;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.85;
}

.feature {
  border-radius: var(--radius2);
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-soft);
}

.feature p {
  margin: 0;
  color: var(--muted);
}

.cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

@media (max-width: 900px) {
  .cols {
    grid-template-columns: 1fr;
  }
}

.col {
  border-radius: var(--radius2);
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 16px;
  box-shadow: var(--shadow-soft);
}

.requirements {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.req-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  background: var(--panel);
  padding: 14px 14px;
}

@media (max-width: 520px) {
  .req-item {
    grid-template-columns: 1fr;
  }
}

.req-title {
  color: var(--muted);
  font-weight: 700;
}

.req-value {
  color: var(--text);
}

.cta {
  padding: 44px 0;
}

.cta-inner {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background:
    radial-gradient(900px 420px at 10% 0%, rgba(93, 214, 255, 0.14), transparent 60%),
    radial-gradient(720px 380px at 90% 20%, rgba(124, 92, 255, 0.14), transparent 58%),
    linear-gradient(180deg, var(--panel2), var(--panel));
  box-shadow: var(--shadow);
  padding: 18px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* FAQ */
.faq {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  background: var(--panel);
  padding: 12px 14px;
  box-shadow: var(--shadow-soft);
}

summary {
  cursor: pointer;
  font-weight: 700;
}

details p {
  margin: 10px 0 0;
  color: var(--muted);
}

/* Privacy page */
.page {
  padding-top: 12px;
}

.prose {
  max-width: 860px;
}

.prose h1 {
  font-size: clamp(30px, 3.2vw, 40px);
  margin: 10px 0 8px;
}

.prose p {
  margin: 10px 0;
}

.prose ul {
  margin: 10px 0 10px 18px;
  color: var(--muted);
}

.prose li {
  margin: 6px 0;
}

.notice {
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: var(--radius2);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  color: var(--text);
}

.table {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.row {
  display: grid;
  grid-template-columns: 140px 1fr 180px;
  gap: 0;
  border-top: 1px solid var(--border);
}

.row:first-child {
  border-top: none;
}

@media (max-width: 760px) {
  .row {
    grid-template-columns: 1fr;
  }
}

.row.header {
  background: color-mix(in srgb, var(--panel2) 60%, transparent);
  font-weight: 800;
}

.cell {
  padding: 12px 14px;
  border-right: 1px solid var(--border);
}

@media (max-width: 760px) {
  .cell {
    border-right: none;
    border-top: 1px solid var(--border);
  }
  .row.header .cell:first-child,
  .row:first-child .cell:first-child {
    border-top: none;
  }
}

.cell:last-child {
  border-right: none;
}

.prose-actions {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  padding: 22px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 720;
}

.footer-brand img {
  border-radius: 9px;
}

.footer-meta {
  color: var(--faint);
  font-size: 13px;
  margin-top: 6px;
}

.footer-right {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
}

.footer-right a {
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}

.footer-right a:hover {
  color: var(--text);
  border-color: var(--border);
  text-decoration: none;
}