:root {
  color-scheme: light;
  --ink: #1a2433;
  --muted: #667085;
  --line: #d7dde5;
  --surface: #ffffff;
  --soft: #f5f7fa;
  --teal: #0f766e;
  --amber: #b7791f;
  --red: #b42318;
  --shadow: 0 20px 50px rgba(22, 34, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--soft);
  line-height: 1.5;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(215, 221, 229, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: white;
  background: var(--ink);
}

.nav {
  display: flex;
  gap: 22px;
  color: #344054;
  font-size: 14px;
}

.nav a:hover,
.article-list a:hover,
.text-link:hover {
  color: var(--teal);
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(44px, 7vw, 92px) clamp(20px, 5vw, 72px) 36px;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.7)),
    radial-gradient(circle at 85% 20%, rgba(15, 118, 110, 0.16), transparent 28%),
    var(--surface);
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 680px;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  margin: 18px 0 8px;
  font-size: 20px;
}

.lead {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  max-width: 620px;
  margin-top: 34px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: var(--shadow);
}

.search input {
  min-width: 0;
  border: 0;
  padding: 0 14px;
  color: var(--ink);
  font: inherit;
  outline: 0;
}

.search button {
  min-width: 92px;
  height: 46px;
  border: 0;
  border-radius: 7px;
  color: white;
  background: var(--teal);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.hero-media {
  min-height: 420px;
}

.hero-media img {
  width: min(760px, 100%);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.quick-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(20px, 5vw, 72px);
  transform: translateY(-18px);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
  box-shadow: 0 14px 32px rgba(22, 34, 51, 0.08);
}

.quick-strip div {
  min-width: 0;
  padding: 22px;
  background: white;
}

.quick-strip strong {
  display: block;
  font-size: 26px;
}

.quick-strip span,
.card p,
.status p,
.footer {
  color: var(--muted);
}

.section {
  padding: 78px clamp(20px, 5vw, 72px);
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.compact {
  margin-bottom: 20px;
}

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

.card,
.panel,
.status {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.card {
  min-height: 220px;
  padding: 24px;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: white;
  background: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.card:nth-child(2) .icon {
  background: var(--teal);
}

.card:nth-child(3) .icon {
  background: var(--amber);
}

.card:nth-child(4) .icon {
  background: var(--red);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 22px;
  padding-top: 0;
}

.panel {
  padding: 28px;
}

.accent {
  background: #fbfaf7;
}

.article-list,
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-list li,
.timeline li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.article-list a {
  font-weight: 750;
}

.article-list span,
.timeline time {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 13px;
}

.timeline li {
  align-items: flex-start;
  justify-content: flex-start;
}

.status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 clamp(20px, 5vw, 72px) 72px;
  padding: 30px;
}

.status h2 {
  font-size: 28px;
}

.text-link {
  flex: 0 0 auto;
  font-weight: 800;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: white;
  font-size: 14px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-media {
    min-height: 0;
  }

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

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

@media (max-width: 680px) {
  .topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    padding-top: 38px;
  }

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

  .search input {
    min-height: 42px;
  }

  .quick-strip,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .article-list li,
  .status,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}