:root {
  --paper: #f3efe7;
  --sheet: #fffcf8;
  --ink: #1a2e23;
  --ink-soft: #3e5649;
  --jade: #4a8c6f;
  --jade-dark: #2f5c46;
  --jade-mist: #e7f3ec;
  --clay: #d68c4e;
  --clay-ink: #8a4e22;
  --cinnabar: #9a4336;
  --line: #e4ddd2;
  --serif: 'Songti SC', 'Noto Serif SC', 'STSong', 'PMingLiU', 'SimSun', serif;
  --sans: 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --measure: 40rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 0% 0%, rgba(74, 140, 111, 0.16), transparent 70%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.8;
}

a {
  color: var(--jade-dark);
}

a:hover {
  color: var(--cinnabar);
}

:focus-visible {
  outline: 2px solid var(--jade-dark);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 2;
  padding: 0.5rem 0.8rem;
  background: var(--ink);
  color: var(--sheet);
}

.skip:focus {
  top: 1rem;
}

.sheet {
  width: min(72rem, calc(100% - 1.5rem));
  margin: 0.9rem auto 1.5rem;
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  box-shadow: 0 22px 50px rgba(26, 46, 35, 0.06);
}

.wrap {
  width: min(66rem, calc(100% - 2.4rem));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  min-height: 4.5rem;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1.5px solid var(--clay);
  color: var(--clay-ink);
  font-size: 1rem;
  letter-spacing: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.85rem;
  color: var(--ink-soft);
  text-decoration: none;
}

.nav-list a[aria-current='page'] {
  color: var(--jade-dark);
  box-shadow: inset 0 -2px 0 var(--jade);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(16rem, 0.8fr);
  gap: 2.5rem;
  align-items: end;
  padding: 3.5rem 0 2.8rem;
}

.hero:not(:has(.slip)) {
  grid-template-columns: minmax(0, 42rem);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--clay-ink);
  font-size: 0.92rem;
  letter-spacing: 0.18em;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.3;
  text-wrap: balance;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 7vw, 4.4rem);
}

h2 {
  margin: 0 0 0.8rem;
  font-size: 1.7rem;
}

h3 {
  margin: 0 0 0.45rem;
  font-size: 1.25rem;
}

.lede,
.prose p,
.card p,
.boundary li {
  max-width: var(--measure);
}

.lede {
  margin: 0;
  font-size: 1.12rem;
}

.slip {
  margin: 0;
  padding: 1.2rem 1.2rem 1.3rem;
  background:
    linear-gradient(180deg, rgba(232, 243, 236, 0.65), transparent 2.2rem),
    var(--sheet);
  border: 1px solid var(--line);
  border-top: 4px solid var(--jade);
  border-radius: 1rem;
}

.slip-kicker,
.section-kicker {
  margin: 0 0 0.7rem;
  color: var(--jade-dark);
  font-size: 0.92rem;
  letter-spacing: 0.12em;
}

.slip ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.slip li {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}

.slip li span:first-child {
  color: var(--jade-dark);
  font-family: var(--serif);
}

.slip-note,
.fine {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.slip-note {
  margin: 0.8rem 0 0;
}

.band {
  padding: 2.4rem 0;
  border-top: 1px solid var(--line);
}

.card-grid,
.split {
  display: grid;
  gap: 1rem;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.boundary article,
.table-wrap {
  padding: 1.15rem 1.15rem 1.25rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.card-index {
  margin: 0 0 0.35rem;
  color: var(--clay-ink);
  font-family: var(--serif);
  font-size: 0.95rem;
}

.split {
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: start;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: day;
}

.steps li {
  position: relative;
  margin: 0;
  padding: 0.85rem 0 0.85rem 2.6rem;
  border-top: 1px solid var(--line);
  counter-increment: day;
}

.steps li::before {
  content: counter(day, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.95rem;
  color: var(--jade-dark);
  font-family: var(--serif);
  font-size: 0.95rem;
}

.boundary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.boundary ul {
  margin: 0;
  padding-left: 1.15rem;
}

.boundary li + li {
  margin-top: 0.35rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}

th,
td {
  padding: 0.75rem 0.7rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--jade-dark);
  font-family: var(--serif);
  font-weight: 600;
}

.site-footer {
  padding: 1.4rem 0 1.7rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
}

.site-footer p {
  margin: 0.15rem 0;
}

.filing-slot {
  min-height: 1.4rem;
}

@media (max-width: 640px) {
  .table-wrap table,
  .table-wrap tbody,
  .table-wrap tr,
  .table-wrap th,
  .table-wrap td,
  .table-wrap caption {
    display: block;
  }

  .table-wrap thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .table-wrap caption {
    text-align: left;
  }

  .table-wrap tr + tr {
    border-top: 1px solid var(--line);
  }

  .table-wrap th,
  .table-wrap td {
    width: auto;
    border-bottom: 0;
    padding-right: 0;
    padding-left: 0;
  }

  .table-wrap th {
    padding-bottom: 0.1rem;
  }

  .table-wrap td {
    padding-top: 0.1rem;
  }
}

@media (max-width: 860px) {
  .hero,
  .card-grid,
  .split,
  .boundary {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.2rem;
  }
}

@media (max-width: 420px) {
  .wrap {
    width: min(66rem, calc(100% - 1.6rem));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}