:root {
  color-scheme: light;
  --ink: #1b1b24;
  --muted: #656577;
  --line: #e5e3f0;
  --accent: #5f52e8;
  --accent-soft: #efedff;
  --surface: #ffffff;
  --canvas: #f7f6fc;
}

* { box-sizing: border-box; }
html { background: var(--canvas); }
body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 80% 0%, #e9e6ff 0, transparent 27rem), var(--canvas);
  font-family: "Noto Sans TC", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

.policy-shell { width: min(100% - 32px, 860px); margin: 0 auto; padding: 32px 0 56px; }
a:focus-visible { text-decoration: underline; }
.policy-header { text-align: center; padding: 62px 20px 32px; }
.brand-mark { width: 52px; height: 52px; display: grid; place-items: center; margin: 0 auto 14px; border-radius: 17px; background: var(--accent); color: #fff; font-size: 31px; line-height: 1; box-shadow: 0 12px 24px rgba(95, 82, 232, .22); }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: .78rem; font-weight: 700; letter-spacing: .14em; }
h1 { margin: 0; font-size: clamp(2rem, 5vw, 2.9rem); letter-spacing: -.04em; line-height: 1.2; }
.lede { max-width: 510px; margin: 14px auto 7px; color: var(--muted); font-size: 1.08rem; }
.updated { margin: 0; color: var(--muted); font-size: .9rem; }
.language-picker { display: flex; justify-content: center; gap: 8px; margin: 0 auto 22px; padding: 5px; width: fit-content; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.74); }
.language-button { border: 0; border-radius: 10px; padding: 8px 13px; background: transparent; color: var(--muted); font: inherit; font-size: .92rem; cursor: pointer; }
.language-button:hover { background: var(--accent-soft); color: var(--accent); }
.language-button.is-selected { background: var(--accent); color: white; font-weight: 700; }
.language-button:focus-visible { outline: 3px solid #b8b0ff; outline-offset: 2px; }
.policy-card { padding: clamp(25px, 5vw, 48px); border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: 0 18px 50px rgba(43, 39, 79, .08); }
.policy-card section + section { margin-top: 30px; padding-top: 30px; border-top: 1px solid var(--line); }
h2 { margin: 0 0 9px; font-size: 1.15rem; letter-spacing: -.01em; }
p { margin: 0; }
.policy-card p { color: #454555; }
a { color: var(--accent); }
footer { margin-top: 28px; color: var(--muted); text-align: center; font-size: .87rem; }

@media (max-width: 520px) {
  .policy-shell { width: min(100% - 24px, 860px); padding-top: 20px; }
  .policy-header { padding: 46px 6px 28px; }
  .language-picker { gap: 2px; width: 100%; justify-content: space-between; }
  .language-button { padding: 8px 9px; font-size: .84rem; }
  .policy-card { border-radius: 18px; }
}