:root {
  --bg: #eef3f8;
  --surface: #ffffff;
  --surface-2: #f5f8fb;
  --text: #142133;
  --muted: #5c6d82;
  --line: #d7e1ea;
  --brand: #0f5d7a;
  --brand-deep: #09394c;
  --accent: #f39a3d;
  --shadow: 0 24px 60px rgba(12, 33, 57, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(93, 141, 171, 0.18), transparent 32%),
    linear-gradient(180deg, #f7fafc 0%, var(--bg) 100%);
}

img {
  display: block;
  max-width: 100%;
}

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

.page-shell {
  min-height: 100vh;
  padding: 28px 20px 64px;
}

.site-header {
  max-width: 1120px;
  margin: 0 auto 28px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 22px;
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(13, 35, 58, 0.08);
}

.site-brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.96rem;
}

.article-layout {
  max-width: 1120px;
  margin: 0 auto;
}

.article-card {
  background: var(--surface);
  border-radius: 30px;
  box-shadow: var(--shadow);
  padding: 38px 34px 48px;
}

.simple-page {
  max-width: 920px;
  margin: 0 auto;
}

.article-grid {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 30px;
}

.article-rail {
  position: relative;
}

.rail-card {
  position: sticky;
  top: 22px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, #f9fbfd 0%, #f2f7fb 100%);
}

.rail-card + .rail-card {
  margin-top: 14px;
  position: static;
}

.rail-label {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.toc-nav {
  display: grid;
  gap: 10px;
}

.toc-nav a {
  color: var(--muted);
  font-size: 0.97rem;
}

.article-main {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--brand-deep);
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  max-width: 820px;
}

h2 {
  font-size: clamp(1.45rem, 2vw, 2rem);
  margin-bottom: 14px;
}

h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

p,
li,
td,
th {
  font-size: 1.04rem;
  line-height: 1.75;
}

.article-dek {
  max-width: 760px;
  margin: 16px 0 18px;
  font-size: 1.15rem;
  color: var(--muted);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  color: var(--muted);
  font-size: 0.94rem;
  margin-bottom: 28px;
}

.hero-figure,
.inline-figure {
  margin: 0 0 30px;
}

.hero-figure img,
.inline-figure img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--line);
}

.quick-answer {
  margin: 0 0 28px;
  padding: 22px 24px;
  background: linear-gradient(135deg, #f4f8fb 0%, #ecf4f8 100%);
  border: 1px solid #d6e2eb;
  border-radius: 22px;
}

.editor-note {
  margin-top: 22px;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: #fff8ef;
  border-radius: 12px;
}

section {
  margin-top: 34px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  background: var(--surface);
}

thead {
  background: #edf4f8;
}

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

.section-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.section-stack > div,
.faq-item {
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  border-radius: 18px;
}

.checklist-panel,
.author-box {
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #f9fbfd 0%, #f4f8fb 100%);
  border-radius: 22px;
}

ul {
  margin: 0;
  padding-left: 22px;
}

.faq-section {
  display: grid;
  gap: 14px;
}

.cta-panel {
  margin-top: 42px;
  padding: 28px 28px 30px;
  border-radius: 26px;
  background:
    linear-gradient(135deg, rgba(10, 64, 84, 0.96), rgba(17, 99, 124, 0.96)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0));
  color: #f7fbff;
}

.cta-panel h2,
.cta-panel p {
  color: inherit;
}

.cta-label {
  margin-bottom: 10px;
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(247, 251, 255, 0.74);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  padding: 13px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #1d2836;
  font-weight: 700;
}

.related-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.related-card {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface-2);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(12, 33, 57, 0.08);
  border-color: #c7d7e5;
}

.home-hero {
  margin-bottom: 22px;
}

.editorial-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.editorial-hero-copy {
  min-width: 0;
}

.editorial-hero-panel {
  padding: 24px 24px 26px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(13, 93, 122, 0.08), rgba(13, 93, 122, 0.02)),
    linear-gradient(180deg, #f8fbfd, #eff5f9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  color: var(--brand-deep);
  font-weight: 700;
}

.hero-list {
  margin: 0;
  padding-left: 20px;
}

.hero-list li + li {
  margin-top: 8px;
}

.category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 26px;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  color: var(--brand-deep);
  font-size: 0.95rem;
}

.section-header-block {
  margin: 0 0 18px;
}

.section-lead {
  max-width: 760px;
  color: var(--muted);
  margin-top: 10px;
}

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

.home-card {
  overflow: hidden;
  border-radius: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 14px 30px rgba(12, 33, 57, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.home-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 38px rgba(12, 33, 57, 0.12);
}

.home-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.home-card-body {
  padding: 18px 18px 20px;
}

.home-card-body h2 {
  font-size: 1.45rem;
  margin-bottom: 10px;
}

.home-info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.info-card {
  padding: 22px 22px 24px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfdff, #f2f7fb);
  box-shadow: 0 14px 28px rgba(12, 33, 57, 0.06);
}

.site-footer {
  max-width: 1120px;
  margin: 28px auto 0;
  padding: 24px 24px 28px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 30px rgba(13, 35, 58, 0.08);
}

.footer-copy {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  color: var(--muted);
}

@media (max-width: 780px) {
  .page-shell {
    padding: 16px 12px 40px;
  }

  .site-header {
    padding: 16px 18px;
    border-radius: 18px;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .article-card {
    padding: 24px 18px 32px;
    border-radius: 22px;
  }

  .article-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .article-rail {
    order: 2;
  }

  .rail-card {
    position: static;
  }

  .section-stack {
    grid-template-columns: 1fr;
  }

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

  .editorial-hero {
    grid-template-columns: 1fr;
  }

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

  .home-info-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    padding: 20px 18px 22px;
    border-radius: 18px;
  }
}