:root {
  --bg: #eef3f8;
  --surface: #ffffff;
  --line: #d9e2ec;
  --text: #2d3f53;
  --muted: #6b8299;
  --brand: #2a8bdc;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: #f2f6fb;
}

a { color: #2a76b6; }

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  text-decoration: none;
  color: #2f4f6f;
}

.main-nav {
  display: flex;
  gap: 16px;
}

.main-nav a {
  text-decoration: none;
  color: #4a657f;
  font-weight: 500;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.main-nav a.active {
  border-color: #79b4e5;
}

.home-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 18px;
  padding: 20px 0 26px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(19, 57, 98, 0.06);
}

.news-side {
  padding: 14px;
  align-self: start;
}

.side-title {
  text-decoration: none;
  font-weight: 700;
  color: #305e86;
  display: block;
  margin-bottom: 8px;
}

.news-item {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 10px 0;
  border-top: 1px dashed var(--line);
}

.news-date {
  color: #7f95a9;
  font-size: 13px;
  margin-bottom: 4px;
}

.news-text {
  font-size: 14px;
  line-height: 1.45;
}

.hero {
  padding: 20px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  letter-spacing: -0.5px;
}

.hero-sub {
  color: var(--muted);
  font-size: 20px;
  margin: 10px 0 18px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.dl-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  text-decoration: none;
  color: #2f4862;
  background: #fafcff;
}

.dl-card strong {
  display: block;
  margin-bottom: 4px;
}

.dl-card span {
  color: #6f869c;
  font-size: 14px;
}

.cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.news-card {
  padding: 14px;
}

.news-card h3 {
  margin: 0 0 8px;
}

.news-card p {
  margin: 0;
  color: #5f768c;
  line-height: 1.5;
}

.site-footer {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 18px 0 28px;
}

.footer-grid h5 {
  margin: 0 0 8px;
  color: #2e4c69;
  font-size: 15px;
}

.footer-grid ul {
  margin: 0;
  padding-left: 18px;
}

.footer-grid li {
  margin: 6px 0;
}

.page-simple {
  margin-top: 22px;
  padding: 18px;
}

.page {
  margin-top: 22px;
  margin-bottom: 26px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  margin-top: 12px;
}

.panel input {
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 6px;
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--brand);
  color: var(--brand);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  text-decoration: none;
  background: var(--brand);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 600;
}

code {
  background: #edf4fb;
  border-radius: 4px;
  padding: 2px 4px;
}

@media (max-width: 960px) {
  .home-layout { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .cards-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .main-nav { flex-wrap: wrap; justify-content: flex-end; }
}