:root {
  --site-bg: #f6f7f9;
  --surface: #fff;
  --surface-soft: #eef1f5;
  --text: #17191f;
  --muted: #667085;
  --border: #d9dee7;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --accent: #b42318;
  --max: 1180px;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background: var(--site-bg);
}

body {
  margin: 0;
  color: var(--text);
  background: var(--site-bg);
}

img,
video,
iframe {
  max-width: 100%;
}

img {
  height: auto;
  display: block;
}

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

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

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

.site-container {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
}

.site-header__bar {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.site-logo img {
  width: 210px;
  height: auto;
  max-height: 52px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  white-space: nowrap;
  font-size: 0.95rem;
  font-weight: 700;
}

.site-search-link {
  margin-left: auto;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
}

.ad-slot {
  min-height: 90px;
  display: block;
  margin-block: 18px;
  border: 1px dashed var(--border);
  background: var(--muted);
}

.section {
  margin-block: 34px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--text);
}

.section-title {
  margin: 0 0 8px;
  font-size: clamp(1.3rem, 2.2vw, 2rem);
  line-height: 1.1;
}

.section-link {
  color: var(--brand);
  font-size: 0.95rem;
  font-weight: 700;
}

.section-intro {
  max-width: 760px;
  margin: 8px 0 0;
  color: #344054;
}

.hero-main {
  margin-bottom: 30px;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.post-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: visible;
}

.post-card__media {
  display: block;
  flex: 0 0 auto;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-soft);
  border-radius: var(--radius) var(--radius) 0 0;
}

.post-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card__body {
  flex: 1 1 auto;
  padding: 16px;
}

.post-card__kicker {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.post-card__title {
  margin: 0;
  font-size: clamp(1.05rem, 1.5vw, 1.45rem);
  line-height: 1.18;
}

.post-card--hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  align-items: stretch;
}

.post-card--hero .post-card__media {
  min-height: 420px;
}

.post-card--hero .post-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(22px, 4vw, 46px);
}

.post-card--hero .post-card__title {
  font-size: clamp(1.7rem, 3.4vw, 3rem);
}

.post-card__meta {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.post-card__excerpt {
  margin: 12px 0 0;
  color: #344054;
}

.post-card__cta {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  margin-top: 14px;
  color: var(--brand);
  font-weight: 800;
}

.post-card--highlight .post-card__media {
  aspect-ratio: 1 / 1;
}

.post-card--highlight .post-card__body {
  display: flex;
  min-height: 0;
  flex-direction: column;
}

.post-card--highlight .post-card__title {
  font-size: 1.05rem;
}

.post-card--highlight .post-card__excerpt {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  font-size: 0.95rem;
}

.post-card--highlight .post-card__cta {
  margin-top: auto;
  padding-top: 14px;
}

.card-list {
  display: grid;
  gap: 14px;
}

.card-list .post-card {
  display: grid;
  grid-template-columns: 150px 1fr;
}

.card-list .post-card__body {
  padding: 12px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: start;
}

.section-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 30px;
  align-items: start;
}

.section-list {
  display: grid;
  gap: 18px;
}

.section-list-card {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.section-list-card__media {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--surface-soft);
  border-radius: var(--radius);
}

.section-list-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-list-card__body {
  min-width: 0;
}

.section-list-card__title {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.16;
}

.pagination-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pagination-status {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.sidebar {
  display: grid;
  gap: 16px;
}

.sidebar-box {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.article {
  background: var(--surface);
}

.article-header {
  padding-block: 28px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.92rem;
}

.article-title {
  max-width: 980px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.article-summary {
  max-width: 780px;
  margin: 18px 0 0;
  color: #344054;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.article-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--surface-soft);
  object-fit: cover;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 300px;
  gap: 42px;
  align-items: start;
  padding-block: 34px;
}

.article-content {
  font-size: 1.08rem;
  line-height: 1.75;
}

.article-content p,
.article-content ul,
.article-content ol,
.article-content blockquote {
  margin-block: 0 1.25em;
}

.article-content h2,
.article-content h3 {
  margin: 1.8em 0 0.6em;
  line-height: 1.15;
}

.article-content img {
  width: auto;
  height: auto;
  margin: 1.4rem auto;
}

.gallery-img {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-block: 20px;
}

.gallery-img .card {
  border: 0;
  background: transparent;
}

.gallery-img img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin: 0;
}

.post-video {
  position: relative;
  margin-block: 26px;
  background: var(--surface-soft);
}

.post-video img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin: 0;
}

.post-video-content {
  padding: 14px 0;
}

.ts-play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--brand);
  font-weight: 800;
}

.article-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-weight: 700;
  cursor: pointer;
}

.button--primary {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.button--primary:hover {
  color: #fff;
  background: var(--brand-dark);
}

.search-form {
  margin-bottom: 28px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.search-form__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.search-form__header h2 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.15;
}

.search-form__header p {
  max-width: 620px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.search-form__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.search-field {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.search-field--wide {
  grid-column: span 2;
}

.search-field input,
.search-field select {
  width: 100%;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font: inherit;
}

.search-field input:focus,
.search-field select:focus {
  outline: 0;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.16);
}

.search-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

.site-footer {
  margin-top: 48px;
  padding: 30px 0;
  border-top: 1px solid var(--border);
  background: #101828;
  color: #f9fafb;
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.footer-copy {
  color: #cbd5e1;
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .site-header__bar {
    min-height: auto;
    padding-block: 14px;
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
  }

  .news-layout,
  .section-layout,
  .article-layout {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr;
  }

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

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

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

  .post-card--hero .post-card__media {
    min-height: 0;
  }

  .section-list-card {
    grid-template-columns: 160px minmax(0, 1fr);
  }

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

@media (max-width: 620px) {
  .site-container {
    width: min(100% - 22px, var(--max));
  }

  .site-logo img {
    width: 170px;
  }

  .category-grid,
  .highlight-grid,
  .gallery-img {
    grid-template-columns: 1fr;
  }

  .card-list .post-card {
    grid-template-columns: 112px 1fr;
  }

  .post-card__body {
    padding: 13px;
  }

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

  .search-form__grid {
    grid-template-columns: 1fr;
  }

  .search-field--wide {
    grid-column: auto;
  }

  .search-form__actions {
    justify-content: stretch;
  }

  .search-form__actions .button {
    flex: 1;
  }

  .article-layout {
    gap: 24px;
  }
}

@media print {
  .site-header,
  .site-footer,
  .sidebar,
  .ad-slot,
  .article-actions {
    display: none !important;
  }

  body {
    background: #fff;
  }
}