:root {
  --article-brand: #315be8;
  --article-brand-dark: #2444b8;
  --article-text: #172033;
  --article-muted: #667085;
  --article-border: #e3e8f0;
  --article-surface: #f7f9fc;
  --article-navy: #111b2f;
}

html { scroll-behavior: smooth; }

body.article-page-v2,
body {
  margin: 0;
  background: #fff !important;
  color: var(--article-text) !important;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif !important;
  -webkit-font-smoothing: antialiased;
}

.article-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 9999;
  width: 0;
  height: 3px;
  background: var(--article-brand);
  pointer-events: none;
}

.nav {
  position: sticky !important;
  top: 0;
  z-index: 1000 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-bottom: 1px solid rgba(227, 232, 240, .92) !important;
  background: rgba(255,255,255,.94) !important;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.article-nav-inner {
  width: min(1180px, calc(100% - 40px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.article-brand {
  color: var(--article-text) !important;
  text-decoration: none !important;
  font-size: 18px !important;
  font-weight: 760 !important;
  letter-spacing: -.02em;
  white-space: nowrap;
}

.article-nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.article-nav-actions a {
  margin: 0 !important;
  color: #475467 !important;
  text-decoration: none !important;
  font-size: 14px !important;
  font-weight: 600 !important;
}

.article-nav-actions .article-primary {
  padding: 9px 14px !important;
  border-radius: 8px;
  background: var(--article-brand) !important;
  color: #fff !important;
}

.box {
  width: min(900px, calc(100% - 40px)) !important;
  max-width: 900px !important;
  margin: 0 auto !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: #fff !important;
  box-shadow: none !important;
  overflow: visible !important;
}

.header {
  margin: 0 !important;
  padding: 72px 0 36px !important;
  border: 0 !important;
  border-bottom: 1px solid var(--article-border) !important;
  background: transparent !important;
}

.tag {
  display: inline-block !important;
  margin: 0 0 18px !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  color: var(--article-brand) !important;
  font-size: 13px !important;
  font-weight: 760 !important;
  letter-spacing: .06em;
}

.title {
  max-width: 860px;
  margin: 0 0 18px !important;
  color: #101828 !important;
  font-size: clamp(36px, 5vw, 52px) !important;
  font-weight: 780 !important;
  line-height: 1.16 !important;
  letter-spacing: -.045em !important;
  overflow-wrap: anywhere;
}

.desc {
  max-width: 780px;
  margin: 0 0 18px !important;
  color: #58657a !important;
  font-size: 18px !important;
  line-height: 1.72 !important;
}

.meta {
  color: #8a94a6 !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
}

.content {
  padding: 44px 0 20px !important;
  color: #263248 !important;
  font-size: 17.5px !important;
  line-height: 1.95 !important;
  overflow-wrap: break-word;
}

.content > :first-child { margin-top: 0 !important; }

.content p {
  margin: 0 0 22px !important;
  color: #263248 !important;
  font-size: 17.5px !important;
  line-height: 1.95 !important;
}

.content h2 {
  margin: 64px 0 24px !important;
  padding: 0 !important;
  border: 0 !important;
  color: #101828 !important;
  font-size: 30px !important;
  font-weight: 760 !important;
  line-height: 1.38 !important;
  letter-spacing: -.025em;
}

.content h2::before {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  margin-bottom: 18px;
  background: var(--article-brand);
}

.content h3 {
  margin: 38px 0 16px !important;
  color: #172033 !important;
  font-size: 22px !important;
  font-weight: 720 !important;
  line-height: 1.45 !important;
}

.content h4 {
  margin: 30px 0 12px !important;
  color: #172033 !important;
  font-size: 18px !important;
  font-weight: 700 !important;
}

.content strong { color: #111827; font-weight: 720; }

.content a {
  color: var(--article-brand);
  text-underline-offset: 3px;
}

.content ul,
.content ol {
  margin: 22px 0 26px !important;
  padding-left: 1.45em !important;
}

.content li {
  margin: 8px 0 !important;
  color: #2d3a50 !important;
  font-size: 17px !important;
  line-height: 1.82 !important;
}

.content blockquote {
  margin: 32px 0 !important;
  padding: 18px 22px !important;
  border: 0 !important;
  border-left: 3px solid var(--article-brand) !important;
  border-radius: 0 10px 10px 0 !important;
  background: #f5f7ff !important;
  color: #36426a !important;
  font-style: normal !important;
}

.content blockquote p:last-child { margin-bottom: 0 !important; }

.content hr {
  margin: 48px 0;
  border: 0;
  border-top: 1px solid var(--article-border);
}

.content img,
.dm-chart img {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  margin: 30px auto 36px !important;
  border: 1px solid #edf0f5 !important;
  border-radius: 10px !important;
  box-shadow: none !important;
  object-fit: contain !important;
}

.content figure { margin: 30px 0 36px; }
.content figcaption { margin-top: -22px; color: #98a2b3; font-size: 13px; text-align: center; }

.article-table-wrap,
.dm-table-wrap {
  width: 100%;
  margin: 28px 0 36px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--article-border);
  border-radius: 10px;
}

.content table {
  width: 100% !important;
  min-width: 620px;
  margin: 0 !important;
  border-collapse: collapse !important;
  font-size: 14px !important;
}

.content th,
.content td {
  padding: 12px 14px !important;
  border: 0 !important;
  border-bottom: 1px solid var(--article-border) !important;
  text-align: left !important;
  vertical-align: top;
}

.content th {
  background: var(--article-surface) !important;
  color: #344054 !important;
  font-weight: 700 !important;
}

.content tr:last-child td { border-bottom: 0 !important; }

.source-box {
  margin: 48px 0 0 !important;
  padding: 18px 20px !important;
  border: 1px solid var(--article-border) !important;
  border-radius: 10px !important;
  background: var(--article-surface) !important;
  color: #667085 !important;
  font-size: 14px !important;
  line-height: 1.7 !important;
}

.cta-box {
  margin: 52px 0 26px !important;
  padding: 34px 36px !important;
  border: 0 !important;
  border-radius: 14px !important;
  background: var(--article-navy) !important;
  color: #fff !important;
  text-align: left !important;
  box-shadow: none !important;
}

.cta-box h3 {
  margin: 0 0 10px !important;
  color: #fff !important;
  font-size: 22px !important;
  line-height: 1.4 !important;
}

.cta-box p {
  margin: 0 !important;
  color: rgba(255,255,255,.72) !important;
  font-size: 15px !important;
  line-height: 1.7 !important;
}

.cta-box a {
  display: inline-flex !important;
  margin: 20px 0 0 !important;
  padding: 10px 16px !important;
  border: 1px solid rgba(255,255,255,.28) !important;
  border-radius: 8px !important;
  background: #fff !important;
  color: #172033 !important;
  text-decoration: none !important;
  font-size: 14px !important;
  font-weight: 700 !important;
}

.related,
.share-section {
  margin-top: 44px !important;
  padding-top: 26px !important;
  border-top: 1px solid var(--article-border) !important;
}

.related h3,
.share-title {
  color: #344054 !important;
  font-size: 15px !important;
  font-weight: 700 !important;
}

.rel-grid { gap: 10px !important; }
.rel-card {
  border: 1px solid var(--article-border) !important;
  border-radius: 10px !important;
  background: #fff !important;
  box-shadow: none !important;
}

.share-btns { gap: 8px !important; }
.share-btn {
  min-height: 38px;
  padding: 8px 12px !important;
  border-radius: 8px !important;
  box-shadow: none !important;
  transform: none !important;
}

footer {
  margin: 44px 0 0 !important;
  padding: 34px 20px 44px !important;
  border: 0 !important;
  border-top: 1px solid var(--article-border) !important;
  background: #fff !important;
  color: #8a94a6 !important;
  text-align: center !important;
  font-size: 13px !important;
  line-height: 1.8;
}

footer a { color: #667085 !important; text-decoration: none !important; }

.article-footer-links { margin-top: 6px; }

@media (max-width: 760px) {
  .article-nav-inner {
    width: calc(100% - 28px);
    min-height: 58px;
    gap: 10px;
  }

  .article-brand { font-size: 16px !important; }
  .article-nav-actions { gap: 10px; }
  .article-nav-actions .article-nav-home { display: none; }
  .article-nav-actions a { font-size: 12px !important; }
  .article-nav-actions .article-primary { padding: 8px 10px !important; }

  .box {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
  }

  .header {
    padding: 42px 20px 28px !important;
  }

  .title {
    font-size: clamp(30px, 9.5vw, 36px) !important;
    line-height: 1.2 !important;
    letter-spacing: -.032em !important;
    word-break: break-word;
  }

  .desc {
    font-size: 16px !important;
    line-height: 1.7 !important;
  }

  .content {
    padding: 34px 20px 12px !important;
    font-size: 16px !important;
  }

  .content p {
    margin-bottom: 20px !important;
    font-size: 16px !important;
    line-height: 1.9 !important;
  }

  .content h2 {
    margin-top: 52px !important;
    font-size: 25px !important;
  }

  .content h3 { font-size: 20px !important; }
  .content li { font-size: 16px !important; }

  .content img,
  .dm-chart img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 24px auto 28px !important;
    object-fit: contain !important;
  }

  .article-table-wrap,
  .dm-table-wrap {
    margin-left: 0;
    margin-right: 0;
    border-radius: 8px;
  }

  .cta-box {
    margin: 42px 20px 20px !important;
    padding: 26px 22px !important;
    border-radius: 12px !important;
  }

  .content .cta-box { margin-left: 0 !important; margin-right: 0 !important; }
  .cta-box h3 { font-size: 20px !important; }

  .rel-grid { grid-template-columns: 1fr !important; }
  .share-btns { display: grid !important; grid-template-columns: repeat(2, minmax(0,1fr)); }
  .share-btn { justify-content: center; width: 100%; }

  footer { margin-top: 36px !important; padding-bottom: 34px !important; }
}

@media (max-width: 390px) {
  .article-nav-actions .article-nav-blog { display: none; }
  .article-nav-actions { gap: 8px; }
  .title { font-size: 30px !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}