:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --paper: #ffffff;
  --ink: #17201b;
  --muted: #5c665f;
  --line: #d9ded8;
  --soft-line: #e9ece6;
  --accent: #11633f;
  --accent-dark: #0d4b30;
  --accent-soft: #e5f0e8;
  --field: #eef1ed;
  --shadow: 0 22px 55px rgba(28, 36, 31, 0.09);
  --radius: 6px;
  --font-body: Aptos, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-display: Georgia, "Times New Roman", "Songti SC", SimSun, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 10;
  background: var(--ink);
  color: white;
  padding: 10px 14px;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 72px;
  padding: 0 5vw;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 248, 245, 0.94);
  backdrop-filter: blur(10px);
}

.brand,
.footer-brand {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--muted);
}

.site-nav a,
.header-actions a,
.footer-links a {
  text-decoration: none;
}

.site-nav a:hover,
.language-link:hover,
.footer-links a:hover {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.language-link {
  color: var(--muted);
  font-size: 14px;
}

.button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
}

.button {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  box-shadow: 0 10px 25px rgba(17, 99, 63, 0.16);
}

.button:hover {
  background: var(--accent-dark);
}

.button-small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 14px;
}

.text-link {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(470px, 1.1fr);
  gap: 24px;
  align-items: stretch;
  min-height: auto;
  padding: 24px 5vw 28px;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  max-width: 680px;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 4.1vw, 54px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
}

.article-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p {
  max-width: 560px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: auto;
  padding-top: 18px;
}

.signal-grid div {
  min-height: 64px;
  padding: 11px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.signal-grid strong {
  display: block;
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1;
}

.signal-grid span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

.briefing-panel {
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  border: 1px solid var(--line);
  background: var(--paper);
}

.briefing-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--soft-line);
}

.briefing-head span,
.briefing-feature span {
  display: block;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.briefing-head p {
  max-width: none;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.38;
}

.briefing-list {
  display: grid;
}

.briefing-row {
  display: grid;
  grid-template-columns: 112px 1fr 92px;
  gap: 16px;
  align-items: baseline;
  padding: 11px 18px;
  border-bottom: 1px solid var(--soft-line);
  text-decoration: none;
}

.briefing-row span,
.briefing-row em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.briefing-row strong {
  font-size: 15px;
  line-height: 1.35;
}

.briefing-feature {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 18px;
  align-items: center;
  padding: 13px 18px;
  background: var(--accent-soft);
}

.briefing-feature img {
  width: 148px;
  height: 78px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.briefing-feature strong {
  display: block;
  margin: 5px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.16;
}

.briefing-feature a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.evidence-strip {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 22px;
  border-top: 1px solid var(--soft-line);
}

.evidence-strip strong {
  font-family: var(--font-display);
  font-size: 24px;
}

.evidence-strip span {
  color: var(--muted);
  font-size: 13px;
}

.section,
.methodology,
.featured-guide,
.site-footer {
  padding: 74px 5vw;
}

.hero + .section {
  padding-top: 40px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(280px, 0.45fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 28px;
}

.section-head h2,
.methodology h2,
.featured-guide h2,
.source-box h2,
.site-footer h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

.section-head p,
.methodology p,
.featured-guide p,
.site-footer p {
  margin: 0;
  color: var(--muted);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--paper);
}

.article-card {
  min-height: 318px;
  padding: 24px;
  border-right: 1px solid var(--soft-line);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.article-card:last-child {
  border-right: 0;
}

.article-card-featured {
  background: var(--accent-soft);
}

.article-card-meta,
.article-card-foot,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.article-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 23px;
  line-height: 1.14;
}

.article-card h3 a {
  text-decoration: none;
}

.article-card p {
  margin: 0;
  color: var(--muted);
}

.article-card-foot {
  margin-top: auto;
  justify-content: space-between;
}

.article-card-foot a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.methodology {
  display: grid;
  grid-template-columns: 1.1fr repeat(4, 1fr);
  gap: 1px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.methodology > div,
.method-item {
  background: var(--field);
  padding: 26px;
}

.method-item h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.featured-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 1px;
  background: var(--line);
  padding-top: 0;
  padding-bottom: 0;
}

.featured-copy,
.affiliate-box {
  background: var(--paper);
  padding: 42px;
}

.section-label,
.article-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.featured-copy h2 {
  margin: 10px 0 18px;
}

.featured-copy .button {
  margin-top: 24px;
}

.affiliate-box h3 {
  margin: 0 0 12px;
  font-size: 17px;
}

.source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--paper);
}

.source-row {
  display: grid;
  grid-template-columns: 110px 1fr 104px;
  gap: 16px;
  align-items: baseline;
  min-height: 86px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--soft-line);
  text-decoration: none;
}

.source-row:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.source-row span,
.source-row em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.article-shell {
  padding: 62px 5vw 0;
}

.article-hero {
  max-width: 1040px;
  margin: 0 auto;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.article-hero h1 {
  max-width: 1020px;
  margin-top: 16px;
  font-size: clamp(40px, 5.2vw, 76px);
}

.article-hero > p {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 21px;
}

.article-meta {
  margin-top: 24px;
}

.article-meta a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.article-layout {
  display: grid;
  grid-template-columns: 330px minmax(0, 760px);
  gap: 58px;
  align-items: start;
  max-width: 1160px;
  margin: 44px auto 0;
  min-width: 0;
}

.article-sidebar {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 20px;
  min-width: 0;
}

.article-sidebar section,
.note-box,
.article-cta {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 22px;
  border-radius: var(--radius);
}

.article-sidebar h2,
.note-box h2 {
  margin: 0 0 10px;
  font-size: 15px;
}

.article-sidebar p,
.article-sidebar li {
  color: var(--muted);
  font-size: 14px;
}

.article-sidebar ol {
  padding-left: 20px;
  margin: 0;
}

.article-content {
  font-size: 18px;
  min-width: 0;
}

.article-content h2 {
  margin: 46px 0 14px;
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.14;
}

.article-content p,
.article-content li {
  color: #303934;
}

.article-content p {
  margin: 0 0 22px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 26px;
  padding-left: 25px;
}

.note-box {
  margin-bottom: 30px;
  background: var(--accent-soft);
}

.data-table {
  margin: 30px 0;
  overflow-x: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}

.data-table table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

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

.data-table th {
  background: var(--field);
  font-size: 13px;
  color: var(--muted);
}

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

.data-table figcaption {
  padding: 13px 16px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--soft-line);
}

.article-cta {
  margin: 34px 0;
}

.article-cta p {
  margin-bottom: 18px;
}

.source-box {
  max-width: 1160px;
  margin: 52px auto 0;
  padding: 34px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.source-box h2 {
  margin-bottom: 22px;
}

.source-box ol {
  margin: 0;
  padding-left: 22px;
}

.source-box li {
  margin: 0 0 16px;
}

.source-box a {
  color: var(--accent);
  font-weight: 700;
}

.source-box span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

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

.single-column {
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
}

.trust-page .article-content {
  max-width: 760px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.7fr;
  gap: 50px;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.site-footer h2 {
  font-family: var(--font-body);
  font-size: 14px;
}

.footer-links {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.admin-body {
  background: #f1f3ef;
}

.admin-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 58px;
}

.admin-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: end;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.admin-hero span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.admin-hero h1 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.04;
}

.admin-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
}

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

.admin-panel {
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.admin-panel.wide {
  grid-column: 1 / -1;
}

.admin-panel h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 28px;
}

.admin-panel dl {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--soft-line);
  border: 1px solid var(--soft-line);
}

.admin-panel dl div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 16px;
  padding: 12px 14px;
  background: var(--paper);
}

.admin-panel dt {
  color: var(--muted);
  font-size: 13px;
}

.admin-panel dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.admin-panel li {
  margin-bottom: 8px;
}

@media (max-width: 1180px) {
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-card:nth-child(2n) {
    border-right: 0;
  }

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

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px 20px;
    position: static;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .header-actions {
    justify-content: space-between;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 18px 20px 20px;
    gap: 16px;
  }

  .hero + .section {
    padding-top: 20px;
  }

  .hero h1,
  .article-hero h1 {
    font-size: clamp(31px, 8.6vw, 42px);
    line-height: 1.05;
  }

  .article-hero h1 {
    font-size: clamp(42px, 12vw, 64px);
  }

  .signal-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 14px;
    padding-top: 0;
  }

  .signal-grid div {
    min-height: 52px;
    padding: 8px;
  }

  .signal-grid strong {
    font-size: 20px;
  }

  .signal-grid span {
    font-size: 11px;
  }

  .briefing-row {
    grid-template-columns: 92px 1fr;
    padding: 10px 14px;
  }

  .briefing-row:nth-child(n + 3) {
    display: none;
  }

  .briefing-row em {
    grid-column: 2;
  }

  .briefing-head {
    padding: 12px 14px;
  }

  .briefing-head p {
    display: none;
  }

  .briefing-feature,
  .evidence-strip {
    display: none;
  }

  .section,
  .methodology,
  .featured-guide,
  .site-footer,
  .article-shell {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section-head,
  .featured-guide,
  .article-layout,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .featured-guide {
    gap: 1px;
    padding-top: 0;
    padding-bottom: 0;
  }

  .article-sidebar {
    position: static;
  }

  .source-list,
  .compact-grid {
    grid-template-columns: 1fr;
  }

  .article-content,
  .article-sidebar,
  .article-layout,
  .note-box,
  .article-cta {
    min-width: 0;
    max-width: 100%;
  }

  .source-row,
  .source-row:nth-last-child(-n + 2) {
    grid-template-columns: 1fr;
    gap: 5px;
    border-bottom: 1px solid var(--soft-line);
  }

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

  .admin-panel.wide {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .brand {
    font-size: 23px;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    align-items: stretch;
    margin-top: 12px;
  }

  .hero-actions .button {
    display: none;
  }

  .briefing-feature,
  .admin-panel dl div {
    grid-template-columns: 1fr;
  }

  .signal-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .briefing-row {
    grid-template-columns: 1fr;
  }

  .briefing-feature img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .article-grid,
  .methodology {
    grid-template-columns: 1fr;
  }

  .article-card,
  .article-card:nth-child(2n) {
    border-right: 0;
    border-bottom: 1px solid var(--soft-line);
  }

  .article-card:last-child {
    border-bottom: 0;
  }

  .featured-copy,
  .affiliate-box,
  .source-box,
  .note-box,
  .article-cta,
  .admin-hero,
  .admin-panel {
    padding: 24px;
  }

  .data-table table {
    min-width: 520px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}