* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--flx-ink);
  background:
    radial-gradient(circle at 8% -10%, rgba(243,146,1,.13), transparent 30rem),
    linear-gradient(180deg, #f8fafc 0%, #f3f6fa 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.62;
}
a { color: #b96800; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #8c4d00; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 28px;
  background: rgba(11,18,32,.94);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  text-decoration: none;
  font-size: .93rem;
  font-weight: 900;
  letter-spacing: .16em;
}
.brand-mark { position: relative; width: 29px; height: 21px; display: inline-block; }
.brand-mark span { position: absolute; width: 10px; height: 10px; border: 3px solid var(--flx-brand); border-radius: 50%; top: 5px; }
.brand-mark span:first-child { left: 0; }
.brand-mark span:nth-child(2) { right: 0; }
.brand-mark i { position: absolute; left: 9px; right: 9px; top: 9px; height: 3px; background: var(--flx-brand); border-radius: 4px; }
.back-link { color: #dbe3ee; text-decoration: none; font-size: .86rem; font-weight: 750; }
main { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.hero { padding: 72px 0 40px; max-width: 880px; }
.eyebrow { margin: 0 0 10px; color: var(--flx-brand-strong); font-size: .76rem; letter-spacing: .16em; font-weight: 900; }
h1 { margin: 0; font-size: clamp(2.45rem, 7vw, 4.9rem); line-height: .98; letter-spacing: -.055em; }
.lede { margin: 24px 0 18px; color: #475569; font-size: clamp(1rem, 2vw, 1.2rem); max-width: 780px; }
.meta { display: flex; flex-wrap: wrap; gap: 9px 18px; color: #64748b; font-size: .82rem; }
.layout { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 34px; align-items: start; padding-bottom: 70px; }
.toc { position: sticky; top: 96px; display: grid; gap: 8px; padding: 18px; border: 1px solid var(--flx-line); border-radius: 18px; background: rgba(255,255,255,.82); box-shadow: 0 14px 40px rgba(15,23,42,.06); }
.toc strong { font-size: .8rem; letter-spacing: .04em; margin-bottom: 3px; }
.toc a { color: #64748b; text-decoration: none; font-size: .81rem; }
.toc a:hover { color: var(--flx-ink); }
.policy-card { background: var(--flx-surface); border: 1px solid var(--flx-line); border-radius: 24px; box-shadow: var(--flx-shadow); overflow: hidden; }
.policy-card section { padding: 30px 38px; border-bottom: 1px solid #edf1f5; scroll-margin-top: 90px; }
.policy-card section:last-child { border-bottom: 0; }
h2 { margin: 0 0 12px; font-size: 1.3rem; letter-spacing: -.018em; }
p { margin: 0 0 13px; }
p:last-child { margin-bottom: 0; }
ul { margin: 10px 0 0; padding-left: 22px; }
li { margin: 8px 0; }
.choice-card { margin-top: 16px; padding: 17px 18px; border-left: 4px solid var(--flx-brand); border-radius: 12px; background: #fff7eb; }
.choice-card p { margin-top: 5px; color: #475569; }
footer { min-height: 80px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 24px; padding: 22px; background: #0b1220; color: #94a3b8; font-size: .8rem; }
footer a { color: #dbe3ee; text-decoration: none; }
@media (max-width: 820px) {
  .site-header { padding: 0 18px; }
  main { width: min(100% - 24px, 760px); }
  .hero { padding: 48px 4px 28px; }
  .layout { grid-template-columns: 1fr; gap: 16px; }
  .toc { position: static; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .toc strong { grid-column: 1 / -1; }
  .policy-card section { padding: 24px 22px; }
}
@media (max-width: 520px) {
  .toc { grid-template-columns: 1fr; }
  .meta { display: grid; }
}