:root {
  color-scheme: light;
  --page: #fffdf5;
  --page-soft: #fff8ea;
  --card: rgba(255, 254, 248, 0.96);
  --ink: #3f2a20;
  --muted: #7d665a;
  --line: rgba(129, 83, 48, 0.14);
  --accent: #d8894a;
  --accent-deep: #b96834;
  --accent-soft: #f8dcc3;
  --shadow: 0 18px 48px rgba(111, 71, 39, 0.10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 8% 5%, rgba(255, 221, 191, 0.52), transparent 30rem),
    radial-gradient(circle at 92% 18%, rgba(255, 238, 191, 0.46), transparent 32rem),
    linear-gradient(180deg, #fffaf0 0, var(--page) 30rem, #fffaf1 100%);
}

a { color: var(--accent-deep); }

.shell {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(129, 83, 48, 0.08);
  background: rgba(255, 253, 245, 0.90);
  backdrop-filter: blur(18px);
}

.nav-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.nav-back {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 254, 248, 0.82);
  text-decoration: none;
  font-size: 14px;
}

.hero {
  padding: 72px 0 32px;
}

.eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border: 1px solid rgba(216, 137, 74, 0.26);
  border-radius: 999px;
  color: var(--accent-deep);
  background: rgba(255, 249, 237, 0.84);
  font-size: 14px;
  letter-spacing: 0.08em;
}

h1 {
  margin: 20px 0 16px;
  font-size: clamp(38px, 6vw, 60px);
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.lead {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.meta span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(248, 220, 195, 0.58);
  color: #7a4e30;
  font-size: 13px;
}

.notice {
  margin: 26px 0;
  padding: 20px 22px;
  border: 1px solid rgba(216, 137, 74, 0.22);
  border-radius: 20px;
  background: rgba(255, 248, 234, 0.88);
  color: #765644;
  line-height: 1.8;
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 12px 0 72px;
}

.legal-card {
  min-height: 172px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
  text-decoration: none;
}

.legal-card strong {
  color: var(--ink);
  font-size: 19px;
}

.legal-card p {
  flex: 1;
  margin: 12px 0 20px;
  color: var(--muted);
  line-height: 1.75;
}

.legal-card span {
  color: var(--accent-deep);
  font-size: 14px;
  font-weight: 650;
}

.document {
  padding: 4px 0 72px;
}

.toc,
.section {
  margin: 18px 0;
  padding: 28px clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.toc h2,
.section h2 {
  margin: 0 0 16px;
  font-size: 23px;
  line-height: 1.45;
}

.toc ol {
  columns: 2;
  column-gap: 36px;
  margin: 0;
  padding-left: 22px;
}

.toc li {
  margin: 8px 0;
  break-inside: avoid;
}

.toc a { text-decoration: none; }

.section h3 {
  margin: 24px 0 10px;
  font-size: 18px;
}

.section p,
.section li {
  color: #59483f;
  font-size: 16px;
  line-height: 1.9;
}

.section p { margin: 10px 0; }
.section ul,
.section ol { margin: 10px 0; padding-left: 24px; }

.table-wrap {
  width: 100%;
  margin-top: 16px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: rgba(255, 253, 245, 0.64);
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
  line-height: 1.7;
}

th { color: var(--ink); background: rgba(248, 220, 195, 0.36); }
td { color: #59483f; }
tr:last-child td { border-bottom: 0; }

.callout {
  margin-top: 16px;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 0 14px 14px 0;
  background: #fff8ea;
  color: #684c3b;
  line-height: 1.8;
}

footer {
  border-top: 1px solid rgba(129, 83, 48, 0.10);
  background: rgba(255, 253, 245, 0.84);
}

.footer-inner {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.footer-links a { color: var(--muted); text-decoration: none; }

@media (max-width: 700px) {
  .shell { width: min(100% - 28px, 980px); }
  .nav-inner { min-height: 64px; }
  .brand { font-size: 18px; }
  .brand img { width: 38px; height: 38px; }
  .nav-back { padding: 0 13px; }
  .hero { padding: 48px 0 24px; }
  .lead { font-size: 16px; }
  .legal-grid { grid-template-columns: 1fr; gap: 14px; padding-bottom: 48px; }
  .legal-card { min-height: 0; padding: 22px; }
  .toc, .section { padding: 22px 20px; border-radius: 20px; }
  .toc ol { columns: 1; }
  .section p, .section li { font-size: 15px; }
  .footer-inner { align-items: flex-start; flex-direction: column; padding: 24px 0; }
  .footer-links { justify-content: flex-start; }
}