:root {
  --ink: #0b1630;
  --muted: #62708a;
  --blue: #2f66ee;
  --blue-dark: #1e4dcc;
  --blue-soft: #edf3ff;
  --line: #dce3ee;
  --surface: #ffffff;
  --surface-alt: #f6f8fc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 94px; }
body { margin: 0; color: var(--ink); background: var(--surface-alt); font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid rgba(47,102,238,.42); outline-offset: 3px; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; height: 72px; border-bottom: 1px solid rgba(220,227,238,.8); background: rgba(255,255,255,.94); backdrop-filter: blur(16px); }
.nav { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; }
.brand img { width: 38px; height: 38px; border-radius: 11px; object-fit: contain; }
.brand small { display: block; margin-top: 1px; color: var(--muted); font-size: .75rem; font-weight: 650; letter-spacing: .08em; }
.nav-links { display: flex; align-items: center; gap: 22px; color: #42506a; font-size: .88rem; }
.nav-links a:hover { color: var(--blue); }
.nav-cta { padding: 9px 14px; border-radius: 9px; color: #fff !important; background: var(--blue); font-weight: 750; }
.hero { padding: 72px 0 66px; color: #fff; background: linear-gradient(135deg, #0b1630, #173a91); }
.hero .eyebrow { margin: 0 0 12px; color: #91b0ff; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { max-width: 800px; margin: 0 0 18px; font-size: clamp(2.45rem, 5vw, 4.25rem); line-height: 1.16; letter-spacing: -.045em; }
.hero p { max-width: 760px; margin: 0; color: #cbd7ed; font-size: 1rem; }
.hero-meta { display: flex; gap: 10px 22px; flex-wrap: wrap; margin-top: 28px; color: #aebfe0; font-size: .82rem; }
.content { padding: 54px 0 90px; }
.legal-layout { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 32px; align-items: start; }
.toc { position: sticky; top: 98px; display: grid; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.toc strong { margin: 3px 9px 8px; font-size: .82rem; }
.toc a { padding: 8px 9px; border-radius: 8px; color: var(--muted); font-size: .8rem; }
.toc a:hover { color: var(--blue-dark); background: var(--blue-soft); }
.document { padding: 44px 48px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 20px 50px rgba(17,38,82,.07); }
.document section { padding: 0 0 30px; margin: 0 0 30px; border-bottom: 1px solid var(--line); }
.document section:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
.document h2 { margin: 0 0 15px; font-size: 1.45rem; line-height: 1.3; letter-spacing: -.02em; }
.document h3 { margin: 22px 0 8px; font-size: 1.03rem; }
.document p { margin: 0 0 12px; color: #3f4d66; }
.document p:last-child { margin-bottom: 0; }
.document ul, .document ol { margin: 10px 0 0; padding-left: 22px; color: #3f4d66; }
.document li { margin: 7px 0; }
.document a { color: var(--blue-dark); text-decoration: underline; text-underline-offset: 3px; }
.notice { margin-bottom: 28px; padding: 17px 19px; border: 1px solid #cddcff; border-radius: 12px; color: #234681; background: var(--blue-soft); font-size: .9rem; }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.info-card { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fbfcfe; }
.info-card span { display: block; margin-bottom: 8px; color: var(--muted); font-size: .78rem; }
.info-card strong { display: block; overflow-wrap: anywhere; font-size: .95rem; line-height: 1.55; }
.contact-card { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; margin-top: 22px; padding: 22px; border-radius: 15px; color: #d5e0f8; background: var(--ink); }
.contact-card strong { display: block; color: #fff; }
.contact-card a { color: #fff; }
.contact-card .button { padding: 10px 14px; border-radius: 9px; color: var(--blue-dark); background: #fff; text-decoration: none; font-size: .86rem; font-weight: 800; }
.page-footer { padding: 34px 0; border-top: 1px solid var(--line); color: var(--muted); background: #fff; font-size: .8rem; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 820px) {
  .container { width: min(100% - 32px, 1120px); }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 54px 0 50px; }
  .legal-layout { grid-template-columns: 1fr; }
  .toc { position: static; grid-template-columns: repeat(2,1fr); }
  .toc strong { grid-column: 1 / -1; }
  .document { padding: 34px 28px; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 24px, 1120px); }
  .brand small { display: none; }
  .hero h1 { font-size: 2.5rem; }
  .document { padding: 28px 20px; }
  .toc, .info-grid { grid-template-columns: 1fr; }
  .toc strong { grid-column: auto; }
  .contact-card, .footer-row { grid-template-columns: 1fr; display: grid; }
  .contact-card .button { text-align: center; }
}