:root {
  --bg: #f5f7f6;
  --surface: #ffffff;
  --surface-soft: #edf2ef;
  --border: #dfe6e2;
  --text: #132018;
  --muted: #617169;
  --primary: #18a63a;
  --shadow: 0 18px 44px rgba(19, 32, 24, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

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

.news-header {
  background: #0f1712;
  color: white;
}

.news-header.compact {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.news-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1100px, calc(100% - 36px));
  margin: 0 auto;
  padding: 18px 0;
}

.brand {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0;
}

.nav-link {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  font-weight: 800;
}

.news-hero {
  width: min(1100px, calc(100% - 36px));
  margin: 0 auto;
  padding: 52px 0 62px;
}

.news-hero p {
  margin: 0 0 10px;
  color: #7ee28f;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.news-hero h1 {
  width: min(760px, 100%);
  margin: 0;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.02;
  font-weight: 900;
}

.news-shell {
  width: min(1100px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 70px;
}

.news-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.news-toolbar h2 {
  margin: 0;
  font-size: 24px;
}

.news-toolbar p,
.state-text {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.news-toolbar input {
  width: min(320px, 100%);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 13px;
  background: white;
  color: var(--text);
  font: inherit;
  outline: none;
}

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

.news-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.news-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: var(--surface-soft);
}

.news-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 16px;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.news-meta strong {
  color: var(--primary);
}

.news-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.15;
}

.news-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.read-more {
  margin-top: auto;
  padding-top: 16px;
  color: var(--primary);
  font-weight: 900;
}

.article-shell {
  width: min(820px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0 80px;
}

.article-detail {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: clamp(20px, 5vw, 42px);
}

.article-detail h1 {
  margin: 8px 0 14px;
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.05;
}

.article-summary {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
  font-weight: 600;
}

.article-image {
  width: 100%;
  max-height: 420px;
  margin: 22px 0;
  border-radius: 8px;
  object-fit: cover;
}

.article-body p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.7;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.tag {
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 800;
}

.source-link {
  display: inline-flex;
  margin-top: 24px;
  border-radius: 8px;
  background: var(--primary);
  color: white;
  padding: 12px 15px;
  font-weight: 900;
}

@media (max-width: 860px) {
  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .news-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .news-toolbar input {
    width: 100%;
  }

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