:root {
  color-scheme: light;
  --ink: #10213a;
  --muted: #5d6b80;
  --line: #dfe5ee;
  --soft: #f4f7fb;
  --paper: #ffffff;
  --navy: #0a1d36;
  --blue: #1769e0;
  --violet: #7257f5;
  --red: #c72f35;
  --green: #087a55;
  --radius: 12px;
  --shadow: 0 14px 34px rgba(16, 33, 58, 0.08);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

button,
input {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  border-radius: 6px;
  color: #fff;
  background: var(--navy);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.trust-strip {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #d7e2f2;
  background: var(--navy);
  font-size: 0.8125rem;
}

.trust-strip .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
  gap: 16px;
}

.trust-strip a {
  color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.header-main {
  display: grid;
  grid-template-columns: auto minmax(280px, 460px);
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 238px;
  height: 48px;
  object-fit: contain;
  object-position: left center;
}

.brand-text {
  display: none;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.site-search {
  display: flex;
  overflow: hidden;
  min-height: 44px;
  border: 1px solid #cbd5e2;
  border-radius: 999px;
  background: #fff;
}

.site-search:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(23, 105, 224, 0.12);
}

.site-search input {
  width: 100%;
  min-width: 0;
  padding: 10px 18px;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
}

.site-search button {
  min-width: 74px;
  border: 0;
  color: #fff;
  background: var(--blue);
  cursor: pointer;
}

.nav-row {
  border-top: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav a {
  display: block;
  padding: 13px 16px;
  border-bottom: 3px solid transparent;
  font-weight: 650;
  white-space: nowrap;
}

.primary-nav a[aria-current="page"] {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.breadcrumb {
  margin-block: 22px 18px;
  color: var(--muted);
  font-size: 0.875rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  margin-left: 6px;
  color: #9aa7b8;
  content: "/";
}

.page-intro {
  padding: 36px 0 26px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4.5vw, 3.7rem);
}

h2 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
}

h3 {
  font-size: 1.1rem;
}

.lede {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: 1.0625rem;
}

.section {
  padding-block: 38px;
}

.section-soft {
  background: var(--soft);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.section-heading h2,
.section-heading p {
  margin-bottom: 0;
}

.section-heading a {
  color: var(--blue);
  font-weight: 700;
}

.lead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.75fr);
  gap: 26px;
}

.lead-story {
  display: grid;
  min-height: 390px;
  overflow: hidden;
  border-radius: var(--radius);
  color: #fff;
  background:
    linear-gradient(120deg, rgba(10, 29, 54, 0.98), rgba(24, 67, 128, 0.86)),
    radial-gradient(circle at top right, rgba(114, 87, 245, 0.85), transparent 48%);
  box-shadow: var(--shadow);
}

.lead-story > div {
  align-self: end;
  padding: clamp(26px, 5vw, 54px);
}

.lead-story h2 {
  max-width: 720px;
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
}

.lead-story p {
  max-width: 680px;
  margin: 0 0 22px;
  color: #dbe7f8;
}

.topic-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 16px;
  padding: 3px 10px;
  border-radius: 999px;
  color: #fff;
  background: var(--violet);
  font-size: 0.75rem;
  font-weight: 800;
}

.story-list {
  display: grid;
  align-content: start;
  gap: 14px;
}

.story-card,
.topic-card,
.article-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 33, 58, 0.045);
}

.story-card {
  padding: 20px;
}

.story-card h3 {
  margin-bottom: 8px;
}

.story-card p,
.topic-card p,
.article-card p {
  margin: 0;
  color: var(--muted);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: var(--muted);
  font-size: 0.8125rem;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.topic-card {
  padding: 24px;
}

.topic-card::before {
  display: block;
  width: 34px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--blue), var(--violet));
  content: "";
}

.topic-card ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.topic-card li {
  padding-block: 8px;
  border-top: 1px solid var(--line);
}

.category-layout,
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  align-items: start;
  gap: 36px;
  padding-bottom: 52px;
}

.category-layout > *,
.article-layout > * {
  min-width: 0;
}

.article-feed {
  display: grid;
  gap: 16px;
}

.article-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 168px;
  gap: 20px;
  padding: 22px;
}

.article-card h2 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.thumb {
  display: grid;
  place-items: center;
  min-height: 112px;
  overflow: hidden;
  border-radius: 9px;
  color: #dbe7f8;
  background: linear-gradient(135deg, #102d52, #7257f5);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

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

.sidebar-box {
  margin-bottom: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
}

.sidebar-box h2 {
  margin-bottom: 14px;
  font-size: 1.1rem;
}

.sidebar-box ol,
.sidebar-box ul {
  margin: 0;
  padding-left: 20px;
}

.sidebar-box li + li {
  margin-top: 10px;
}

.article-header {
  padding: 18px 0 26px;
  border-bottom: 1px solid var(--line);
}

.article-header h1 {
  max-width: 920px;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.article-summary {
  margin: 30px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: #eef5ff;
}

.article-summary strong {
  display: block;
  margin-bottom: 6px;
}

.article-body {
  width: 100%;
  min-width: 0;
  max-width: 760px;
  font-size: 1.0625rem;
  overflow-wrap: anywhere;
}

.article-body iframe,
.article-body video,
.article-body embed,
.article-body object {
  max-width: 100%;
}

.article-body h2 {
  margin-top: 42px;
  margin-bottom: 14px;
  scroll-margin-top: 140px;
}

.article-body p {
  margin: 0 0 1.25em;
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.5em;
  padding-left: 1.35em;
}

.table-wrap {
  overflow-x: auto;
  margin-block: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.table-wrap table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--soft);
}

.source-list {
  margin-top: 38px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.source-list h2 {
  font-size: 1.2rem;
}

.disclosure {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.pagination a,
.pagination span {
  display: grid;
  min-width: 44px;
  min-height: 44px;
  place-items: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.pagination [aria-current="page"] {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.site-footer {
  margin-top: 30px;
  color: #cbd7e8;
  background: var(--navy);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(2, 1fr);
  gap: 34px;
  padding-block: 42px;
}

.site-footer h2 {
  color: #fff;
  font-size: 1rem;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li + li {
  margin-top: 8px;
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  padding-block: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8125rem;
}

@media (max-width: 960px) {
  .lead-grid,
  .category-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }

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

  .article-layout aside {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .article-layout .sidebar-box {
    margin-bottom: 0;
  }
}

@media (max-width: 760px) {
  .trust-strip .container {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 7px;
    gap: 1px;
  }

  .header-main {
    grid-template-columns: 1fr auto;
    min-height: 68px;
    gap: 12px;
  }

  .brand img {
    width: 188px;
    height: 40px;
  }

  .site-search {
    grid-column: 1 / -1;
    grid-row: 2;
    margin-bottom: 14px;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .nav-wrap {
    position: relative;
    min-height: 52px;
    justify-content: space-between;
  }

  .nav-label {
    font-weight: 800;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 170px);
    overflow-y: auto;
    padding: 10px 16px 18px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    box-shadow: var(--shadow);
  }

  .primary-nav[data-open="true"] {
    display: block;
  }

  .primary-nav a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--line);
  }

  .lead-story {
    min-height: 330px;
  }

  .topic-grid,
  .footer-grid,
  .article-layout aside {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: 30px;
  }

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

  .thumb {
    min-height: 150px;
  }

  .article-body {
    font-size: 1rem;
  }
}

@media (max-width: 390px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .brand img {
    display: none;
  }

  .brand-text {
    display: block;
  }

  h1 {
    font-size: 1.9rem;
  }

  .lead-story h2 {
    font-size: 1.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}