:root {
  --ink: #20251d;
  --muted: #687060;
  --cream: #fffaf0;
  --paper: rgba(255, 255, 255, 0.88);
  --yellow: #f6c934;
  --yellow-soft: #fff2b7;
  --green: #66834a;
  --line: rgba(64, 77, 50, 0.14);
  --shadow: 0 22px 70px rgba(91, 77, 33, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.82;
  background:
    radial-gradient(circle at 9% 8%, rgba(246, 201, 52, 0.24), transparent 25rem),
    radial-gradient(circle at 92% 32%, rgba(122, 157, 88, 0.14), transparent 27rem),
    var(--cream);
}

a { color: inherit; text-decoration: none; }

.site-header,
footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header { min-height: 90px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: .04em;
}

.brand img { border-radius: 11px; }

.back-link,
footer a {
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.policy-layout {
  width: min(1180px, calc(100% - 48px));
  margin: 34px auto 90px;
  display: grid;
  grid-template-columns: minmax(250px, 340px) minmax(0, 1fr);
  gap: clamp(36px, 7vw, 92px);
  align-items: start;
}

.policy-meta {
  position: sticky;
  top: 28px;
  padding-top: 30px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 7vw, 76px);
  line-height: 1.05;
  letter-spacing: -.05em;
}

.lead {
  margin: 24px 0 30px;
  color: #4f5748;
  font-size: 17px;
  line-height: 1.75;
}

dl {
  margin: 0;
  border-top: 1px solid var(--line);
}

dl div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

dt { color: var(--muted); }
dd { margin: 0; font-weight: 650; }

.draft-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--yellow);
  border-radius: 0 13px 13px 0;
  color: #625a3d;
  background: rgba(255, 242, 183, 0.58);
  font-size: 13px;
}

.policy-card {
  padding: clamp(28px, 5vw, 64px);
  border: 1px solid rgba(255,255,255,.76);
  border-radius: 32px;
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.policy-card section + section {
  margin-top: 42px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 14px;
  font-size: 20px;
  line-height: 1.4;
}

p { margin: 0; }
.policy-card p + p { margin-top: 12px; }

ul {
  margin: 14px 0 0;
  padding-left: 1.25em;
}

li + li { margin-top: 9px; }
li::marker { color: var(--yellow); }

strong { font-weight: 760; }

footer {
  padding: 28px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 780px) {
  .site-header,
  footer,
  .policy-layout { width: min(100% - 28px, 680px); }

  .site-header { min-height: 74px; }
  .policy-layout { margin-top: 12px; grid-template-columns: 1fr; gap: 28px; }
  .policy-meta { position: static; padding-top: 14px; }
  h1 { font-size: 48px; }
  .policy-card { border-radius: 24px; }
}

@media (max-width: 480px) {
  .back-link { margin-right: 4px; font-size: 11px; }
  .policy-card { padding: 25px 20px; }
  footer { align-items: flex-start; flex-direction: column; gap: 8px; }
}