:root {
  color-scheme: dark;
  --page: #071019;
  --surface: #0f2230;
  --surface-soft: #0b1a25;
  --line: #244c62;
  --line-soft: rgba(85, 217, 232, .16);
  --ink: #edf8fb;
  --muted: #9cb2c1;
  --cyan: #55d9e8;
  --cyan-bright: #83edf4;
  --content: 920px;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 20% 0, rgba(35, 100, 124, .34), transparent 34rem),
    radial-gradient(circle at 92% 28rem, rgba(25, 74, 94, .2), transparent 28rem),
    var(--page);
}

a { color: var(--cyan-bright); }
p, li, td, th { line-height: 1.78; }
h1, h2, h3, p { margin-top: 0; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #041016;
  background: var(--cyan);
  font-weight: 750;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(85, 217, 232, .1);
  background: rgba(7, 16, 25, .88);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.header-inner {
  display: flex;
  align-items: center;
  width: min(calc(100% - 40px), var(--content));
  min-height: 72px;
  margin: 0 auto;
}
.brand-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 800;
}
.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(85, 217, 232, .34);
  border-radius: 50%;
  color: var(--cyan-bright);
  background: rgba(85, 217, 232, .08);
  font-size: 17px;
  letter-spacing: -.06em;
}

.legal-shell {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 68px 0 88px;
}
.legal-hero { padding-bottom: 34px; border-bottom: 1px solid var(--line-soft); }
.eyebrow { margin-bottom: 13px; color: var(--cyan); font-size: 12px; font-weight: 850; letter-spacing: 1.6px; }
.legal-hero h1 { margin-bottom: 18px; font-size: clamp(38px, 7vw, 64px); line-height: 1.08; letter-spacing: -1.5px; }
.legal-summary { max-width: 760px; margin-bottom: 20px; color: #c6dbe5; font-size: clamp(17px, 2vw, 20px); }
.legal-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 13px; }
.legal-meta span { display: inline-flex; align-items: center; min-height: 28px; }

.legal-toc { display: flex; flex-wrap: wrap; margin: 28px 0 10px; padding: 0; list-style: none; gap: 8px; }
.legal-toc a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 11px;
  color: #c8dce5;
  background: var(--surface-soft);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.legal-toc a:hover, .legal-toc a:focus-visible { color: var(--cyan-bright); border-color: var(--cyan); }

.legal-section { padding: 42px 0 4px; scroll-margin-top: 92px; }
.legal-section h2 { margin-bottom: 18px; font-size: clamp(25px, 4vw, 34px); line-height: 1.22; }
.legal-section h3 { margin: 26px 0 9px; color: #dff8fa; font-size: 19px; }
.legal-section p, .legal-section li { color: #c2d4dd; font-size: 15px; }
.legal-section ul, .legal-section ol { margin: 0; padding-left: 24px; }
.legal-section li + li { margin-top: 8px; }
.legal-section strong { color: var(--ink); }

.table-wrap { overflow-x: auto; margin-top: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line-soft); text-align: left; vertical-align: top; font-size: 14px; }
th { color: var(--cyan-bright); background: rgba(24, 63, 81, .46); }
td { color: #c2d4dd; }
tbody tr:last-child td { border-bottom: 0; }

.contact-card { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.contact-card p:last-child { margin-bottom: 0; }

.site-footer {
  padding: 32px 20px max(42px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  text-align: center;
}
.site-footer p { margin: 4px 0; font-size: 13px; }
.site-footer a { display: inline-flex; min-height: 36px; align-items: center; padding: 2px 5px; }

@media (max-width: 620px) {
  .header-inner, .legal-shell { width: calc(100% - 28px); }
  .legal-shell { padding-top: 48px; }
  .legal-section { padding-top: 34px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
*:focus-visible { outline: 3px solid var(--cyan-bright); outline-offset: 3px; }