:root {
  --ink: #0f1729;
  --ink-deep: #0a1121;
  --ink-darker: #070d19;
  --brand: #2f6bff;
  --brand-dark: #1f4fd8;
  --bg: #f4f5f7;
  --card: #ffffff;
  --line: #e4e7ec;
  --muted: #5c6779;
  --on-dark: #c3cbdb;
  --font-sans: "Noto Sans TC", "Space Grotesk", system-ui, sans-serif;
  --font-brand: "Space Grotesk", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }
.page { width: 100%; overflow-x: hidden; }
.wrap { width: min(100% - 40px, 980px); margin: 0 auto; }

.nav { position: fixed; inset: 0 0 auto; z-index: 10; height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 clamp(20px, 4vw, 56px); background: rgba(10, 17, 33, .88); border-bottom: 1px solid rgba(255, 255, 255, .08); backdrop-filter: blur(14px); }
.nav-brand { display: flex; flex-shrink: 0; align-items: center; gap: 12px; color: #fff; }
.nav-brand:hover { color: #fff; }
.nav-brand img { display: block; width: 34px; height: 34px; border-radius: 9px; object-fit: cover; }
.stack { display: flex; flex-direction: column; line-height: 1.1; }
.n1 { font-family: var(--font-brand); font-size: 15px; font-weight: 700; letter-spacing: .04em; }
.n2 { color: #7d8ba6; font-size: 10px; letter-spacing: .22em; }
.nav-actions { display: flex; align-items: center; gap: clamp(12px, 2.2vw, 32px); max-width: 74vw; overflow-x: auto; }
.nav-link { color: var(--on-dark); font-size: 14px; white-space: nowrap; }
.nav-link:hover { color: #fff; }
.btn-primary { flex-shrink: 0; padding: 10px 20px; border-radius: 8px; background: var(--brand); color: #fff; font-size: 14px; font-weight: 500; white-space: nowrap; transition: background .2s ease; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }

.policy-hero { padding: clamp(140px, 18vw, 190px) 0 clamp(68px, 9vw, 96px); background: var(--ink-deep); color: #fff; }
.eyebrow { margin: 0 0 20px; color: #9fb3e0; font-family: var(--font-brand); font-size: 12px; font-weight: 500; letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(40px, 6vw, 68px); line-height: 1.15; letter-spacing: -.025em; text-wrap: balance; }
.hero-lead { max-width: 650px; margin: 24px 0 0; color: #a8b4cc; font-size: clamp(16px, 2vw, 19px); font-weight: 300; line-height: 1.9; text-wrap: pretty; }

.policy-main { padding: clamp(44px, 7vw, 84px) 20px clamp(72px, 10vw, 116px); }
.policy-card { max-width: 880px; margin: 0 auto; padding: clamp(32px, 6vw, 72px); border: 1px solid var(--line); border-radius: 16px; background: var(--card); box-shadow: 0 18px 45px rgba(15, 23, 41, .06); }
.policy-card section { position: relative; padding-left: 64px; }
.policy-card section + section { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--line); }
.section-number { position: absolute; top: 4px; left: 0; margin: 0; color: #9aa7ba; font-family: var(--font-brand); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.policy-card section + section .section-number { top: 52px; }
h2 { margin: 0 0 18px; font-size: clamp(21px, 3vw, 27px); line-height: 1.4; letter-spacing: -.01em; }
.policy-card p:not(.section-number, .updated), .policy-card li { color: var(--muted); font-size: 16px; font-weight: 300; line-height: 2; }
.policy-card p { margin-top: 0; margin-bottom: 0; }
.policy-card ul { margin: 16px 0 0; padding-left: 1.35em; }
.policy-card li + li { margin-top: 6px; }
.policy-card li::marker { color: var(--brand); }
.contact-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.contact-links a { display: inline-flex; align-items: center; min-height: 42px; padding: 9px 18px; border: 1px solid #ccd5e6; border-radius: 9px; font-size: 14px; font-weight: 500; transition: border-color .2s ease, background .2s ease; }
.contact-links a:hover { border-color: var(--brand); background: #f7f9ff; }
.updated { margin: 56px 0 0; padding-top: 24px; border-top: 1px solid var(--line); color: #8a94a6; font-size: 13px; }

.footer { padding: 48px clamp(20px, 6vw, 80px); background: var(--ink-darker); color: #8a97b0; }
.footer-inner { max-width: 1180px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { display: block; width: 30px; height: 30px; border-radius: 8px; object-fit: cover; }
.footer-brand span { color: var(--on-dark); font-family: var(--font-brand); font-size: 14px; letter-spacing: .06em; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; font-size: 13px; }
.footer-link { color: #8a97b0; }
.footer-link:hover { color: #fff; }
.footer-copy { color: #5d6b86; font-size: 12px; }

@media (max-width: 760px) {
  .nav-link { display: none; }
  .nav-actions { overflow: visible; }
  .policy-card { border-radius: 12px; }
  .policy-card section { padding-left: 0; }
  .section-number, .policy-card section + section .section-number { position: static; margin-bottom: 10px; }
}

@media (max-width: 480px) {
  .nav { gap: 12px; }
  .nav-brand { gap: 9px; }
  .nav-brand img { width: 32px; height: 32px; }
  .btn-primary { padding: 9px 14px; font-size: 13px; }
  .policy-main { padding-right: 14px; padding-left: 14px; }
  .policy-card { padding: 28px 22px; }
  .policy-card section + section { margin-top: 38px; padding-top: 38px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: .001ms !important; }
}