:root {
  --dhx-bg: #f7f7f3;
  --dhx-soft: #eef3f2;
  --dhx-ink: #18242c;
  --dhx-muted: #667680;
  --dhx-line: #d8e2e3;
  --dhx-blue: #176bb1;
}

body.dhx-light-site {
  background: var(--dhx-bg);
  color: var(--dhx-ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 400;
  letter-spacing: 0;
}
.dhx-light-site .site-wrap { min-height: 70vh; }
.dhx-light-site .site-header {
  height: 72px;
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid rgba(24,36,44,.1);
  box-shadow: 0 1px 0 rgba(24,36,44,.03);
}
.dhx-light-site .header-inner { width: min(1180px, calc(100% - 40px)); max-width: none; padding: 0; }
.dhx-light-site .site-logo { display: flex; align-items: center; gap: 10px; color: var(--dhx-ink); font-family: inherit; font-size: 15px; font-weight: 760; }
.dhx-light-site .site-logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 5px; background: var(--dhx-ink); color: white; }
.dhx-light-site .site-logo-copy { display: grid; color: var(--dhx-ink); }
.dhx-light-site .site-logo-copy small { color: #819099; font-family: inherit; font-size: 10px; font-weight: 520; }
.dhx-light-site .site-nav { align-items: center; gap: 24px; }
.dhx-light-site .site-nav a { color: #687780; font-size: 13px; font-weight: 560; }
.dhx-light-site .site-nav a:hover, .dhx-light-site .site-nav a[aria-current="page"] { color: var(--dhx-blue); }
.dhx-light-site .site-nav .site-nav-cta { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 4px; background: var(--dhx-blue); color: white; }

.content-shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.content-hero { padding: 94px 0 86px; background: linear-gradient(135deg, #f7f7f3 0%, #edf3f2 100%); border-bottom: 1px solid var(--dhx-line); }
.content-hero-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(300px,.7fr); gap: 80px; align-items: end; }
.content-eyebrow { margin: 0 0 18px; color: var(--dhx-blue); font-size: 12px; font-weight: 760; letter-spacing: .08em; text-transform: uppercase; }
.content-hero h1, .archive-hero h1 { margin: 0; max-width: 820px; font-family: inherit; font-size: clamp(48px, 6vw, 82px); font-weight: 790; line-height: 1.04; letter-spacing: 0; }
.content-lead, .archive-hero p { max-width: 780px; margin: 28px 0 0; color: #5e6f78; font-size: 17px; line-height: 1.9; }
.content-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.content-button { display: inline-flex; min-height: 46px; align-items: center; padding: 0 20px; border: 1px solid #bdcacc; border-radius: 4px; color: #30434d; font-size: 13px; font-weight: 680; }
.content-button.primary { background: var(--dhx-blue); border-color: var(--dhx-blue); color: white; }
.content-principles { display: grid; gap: 15px; padding: 28px; background: rgba(255,255,255,.74); border: 1px solid var(--dhx-line); border-radius: 6px; }
.content-principles small { color: #7c8a92; font-size: 11px; }
.content-principles strong { padding-bottom: 15px; border-bottom: 1px solid #dde5e5; font-size: 15px; line-height: 1.55; }
.content-principles strong:last-child { padding-bottom: 0; border: 0; }

.archive-hero { padding: 76px 0 64px; background: #eef3f2; border-bottom: 1px solid var(--dhx-line); }
.archive-hero h1 { font-size: clamp(40px,5vw,64px); }
.publication-section { padding: 84px 0 96px; }
.publication-head { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px,.7fr); gap: 50px; align-items: end; margin-bottom: 34px; }
.publication-head h2 { margin: 0; font-family: inherit; font-size: clamp(34px,4vw,52px); line-height: 1.08; }
.publication-head > p { margin: 0; color: var(--dhx-muted); font-size: 14px; line-height: 1.8; }
.publication-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.publication-entry { min-height: 300px; display: flex; flex-direction: column; padding: 30px; background: white; border: 1px solid var(--dhx-line); border-radius: 6px; }
.publication-entry.featured { grid-column: 1/-1; min-height: 360px; padding: 42px; background: #18242c; color: white; }
.publication-meta { display: flex; gap: 14px; color: #7b8991; font-size: 11px; }
.publication-entry.featured .publication-meta { color: #a8bbc4; }
.publication-entry h2 { margin: 30px 0 16px; max-width: 820px; font-family: inherit; font-size: 28px; line-height: 1.3; }
.publication-entry.featured h2 { font-size: clamp(36px,5vw,58px); line-height: 1.08; }
.publication-entry p { margin: 0; color: #63737c; font-size: 14px; line-height: 1.85; }
.publication-entry.featured p { max-width: 800px; color: #c7d1d5; font-size: 16px; }
.publication-footer { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-top: auto; padding-top: 30px; color: #76858d; font-size: 11px; }
.publication-footer a { color: var(--dhx-blue); font-size: 13px; font-weight: 720; }
.publication-entry.featured .publication-footer a { color: #8ec7f5; }
.content-pagination { display: flex; gap: 10px; margin-top: 24px; }
.content-pagination a { padding: 8px 12px; border: 1px solid var(--dhx-line); background: white; border-radius: 4px; }
.content-empty { display: grid; gap: 8px; padding: 38px; background: white; border: 1px solid var(--dhx-line); border-radius: 6px; color: var(--dhx-muted); }
.content-empty strong { color: var(--dhx-ink); font-size: 20px; }

.content-paths { padding: 86px 0 100px; background: #eef3f2; border-top: 1px solid var(--dhx-line); }
.path-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid #cfdadb; border-left: 1px solid #cfdadb; }
.path-grid a { min-height: 230px; display: flex; flex-direction: column; gap: 18px; padding: 26px; border-right: 1px solid #cfdadb; border-bottom: 1px solid #cfdadb; background: rgba(255,255,255,.5); }
.path-grid small { color: var(--dhx-blue); font-size: 11px; font-weight: 740; }
.path-grid strong { font-size: 18px; line-height: 1.35; }
.path-grid span { color: var(--dhx-muted); font-size: 13px; line-height: 1.75; }

.dhx-footer { background: #18242c; color: white; }
.dhx-footer-inner { width: min(1120px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1fr auto; gap: 50px; padding: 56px 0; align-items: start; }
.dhx-footer-inner strong { font-size: 17px; }
.dhx-footer-inner p { margin: 10px 0 0; max-width: 520px; color: #aab9c0; font-size: 13px; }
.dhx-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.dhx-footer nav a { color: #c6d0d4; font-size: 12px; }
.dhx-footer-bottom { padding: 18px 20px; border-top: 1px solid rgba(255,255,255,.1); color: #82959e; text-align: center; font-size: 11px; }

@media (max-width: 920px) {
  .dhx-light-site .site-header { height: auto; }
  .dhx-light-site .header-inner { width: min(100% - 28px,1180px); min-height: 68px; }
  .dhx-light-site .site-nav { display: none; position: absolute; left: 0; right: 0; top: 68px; padding: 14px; background: white; border-bottom: 1px solid var(--dhx-line); }
  .dhx-light-site.nav-open .site-nav { display: grid; }
  .dhx-light-site .nav-toggle { display: grid; }
  .content-hero-grid, .publication-head { grid-template-columns: 1fr; gap: 34px; }
  .path-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 620px) {
  .content-shell, .dhx-footer-inner { width: min(100% - 28px,1120px); }
  .content-hero { padding: 66px 0 58px; }
  .content-hero h1, .archive-hero h1 { font-size: 42px; }
  .content-lead { font-size: 15px; }
  .content-actions, .content-button { width: 100%; }
  .content-button { justify-content: center; }
  .publication-section, .content-paths { padding: 64px 0 72px; }
  .publication-list { grid-template-columns: 1fr; }
  .publication-entry.featured { grid-column: auto; min-height: 330px; padding: 28px; }
  .publication-entry.featured h2 { font-size: 36px; }
  .publication-entry { padding: 24px; }
  .publication-footer { align-items: flex-start; flex-direction: column; }
  .path-grid { grid-template-columns: 1fr; }
  .path-grid a { min-height: 180px; }
  .dhx-footer-inner { grid-template-columns: 1fr; }
}