:root {
  --ivory: #f6efe1;
  --paper: #fffaf0;
  --olive: #657447;
  --olive-dark: #36411f;
  --moss: #899465;
  --ink: #25291b;
  --muted: #6d6b5d;
  --gold: #caa45a;
  --teal: #698f8a;
  --line: rgba(54, 65, 31, 0.18);
  --radius: 8px;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 7%, rgba(202, 164, 90, 0.2), transparent 24rem),
    radial-gradient(circle at 88% 13%, rgba(105, 143, 138, 0.15), transparent 28rem),
    linear-gradient(135deg, #f5eddc 0%, #fbf6eb 48%, #eef0df 100%);
  min-height: 100vh;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(54, 65, 31, 0.12);
  background: rgba(246, 239, 225, 0.88);
  backdrop-filter: blur(18px);
}

.nav,
.page,
.footer-inner {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--olive-dark);
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--paper);
  background: linear-gradient(135deg, var(--olive-dark), var(--moss));
  border-radius: 50%;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav-links a {
  padding: 8px 10px;
  color: rgba(37, 41, 27, 0.76);
  border-radius: 999px;
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--olive-dark);
  background: rgba(101, 116, 71, 0.1);
}

.page {
  padding: 72px 0 88px;
}

.hero {
  padding-bottom: 52px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 14px;
  color: var(--olive);
  font-size: 13px;
  font-weight: 800;
}

h1,
h2,
h3 {
  color: var(--olive-dark);
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(38px, 7vw, 72px);
  line-height: 1.05;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.2;
}

h3 {
  margin: 0 0 9px;
  font-size: 19px;
}

.hero-copy {
  max-width: 820px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.chips {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.chip {
  padding: 7px 11px;
  color: var(--olive-dark);
  background: rgba(101, 116, 71, 0.1);
  border-radius: 999px;
  font-size: 13px;
}

.notice {
  margin-top: 24px;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  color: var(--muted);
  background: rgba(255, 250, 240, 0.58);
  line-height: 1.7;
  font-size: 14px;
}

.document-shell {
  margin-top: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.76);
  box-shadow: 0 18px 50px rgba(54, 65, 31, 0.09);
  overflow: hidden;
  scroll-margin-top: 82px;
}

.document-bar {
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--olive-dark);
  background: rgba(101, 116, 71, 0.09);
  font-size: 14px;
  font-weight: 700;
}

.document-bar span:last-child {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.document-body {
  padding: 34px 36px 44px;
}

.document-body h2,
.document-body h3,
.document-body h4,
.document-body h5 {
  scroll-margin-top: 90px;
}

.document-body h2 {
  margin: 0 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(25px, 4vw, 36px);
}

.document-body h3 {
  margin: 38px 0 14px;
  font-size: 25px;
}

.document-body h4 {
  margin: 28px 0 12px;
  font-size: 20px;
}

.document-body h5 {
  margin: 22px 0 10px;
  font-size: 17px;
}

.document-body p,
.doc-list-item {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.doc-list-item {
  position: relative;
  padding-left: 24px;
}

.doc-list-item::before {
  position: absolute;
  left: 4px;
  top: 0;
  color: var(--olive);
  font-weight: 800;
}

.doc-list-item.bullet::before {
  content: "•";
}

.doc-list-item.number::before {
  content: "›";
}

.doc-table-wrap {
  margin: 18px 0 28px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.doc-table-wrap table {
  min-width: 760px;
  background: rgba(255, 250, 240, 0.6);
}

.doc-table-wrap tr:first-child td {
  color: var(--olive-dark);
  background: rgba(101, 116, 71, 0.09);
  font-weight: 700;
}

.content-section {
  padding: 52px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 84px;
}

.section-intro {
  max-width: 800px;
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.62);
}

.item p,
.item li {
  color: var(--muted);
  line-height: 1.75;
}

.item p {
  margin: 0;
}

.item ul {
  margin: 0;
  padding-left: 20px;
}

.flow {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.flow-step {
  position: relative;
  min-height: 94px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.68);
}

.flow-step b {
  display: block;
  margin-bottom: 6px;
  color: var(--olive-dark);
}

.flow-step span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.62);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 690px;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(54, 65, 31, 0.12);
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
}

th {
  color: var(--olive-dark);
  background: rgba(101, 116, 71, 0.09);
  font-size: 14px;
}

td {
  color: var(--muted);
  font-size: 14px;
}

tr:last-child td {
  border-bottom: 0;
}

.back-row {
  padding-top: 40px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button {
  min-height: 43px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--olive-dark);
  background: rgba(255, 250, 240, 0.68);
}

.button.primary {
  color: var(--paper);
  background: linear-gradient(135deg, var(--olive-dark), var(--olive));
}

.footer {
  border-top: 1px solid rgba(54, 65, 31, 0.13);
  color: rgba(255, 250, 240, 0.86);
  background: rgba(54, 65, 31, 0.92);
}

.footer-inner {
  padding: 26px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--paper);
}

@media (max-width: 820px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .nav {
    padding: 12px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .page {
    padding-top: 52px;
  }

  .flow {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .document-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .document-body {
    padding: 24px 18px 32px;
  }
}