:root {
  --navy: #0c2340;
  --navy-light: #1a3a5c;
  --gold: #c9a227;
  --gold-soft: #f4ecd8;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(12, 35, 64, 0.08);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

a {
  color: var(--navy-light);
  text-decoration: none;
}

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

.site-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  padding: 1.5rem 0 2rem;
}

.site-header .inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.header-with-logos {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.header-logos {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header-logos a {
  display: inline-flex;
  line-height: 0;
  border-radius: 8px;
}

.header-logos a:hover img {
  opacity: 0.88;
}

.header-logos img {
  height: 52px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  padding: 6px 10px;
}

.header-text {
  flex: 1;
  min-width: 200px;
}

.card-issue {
  padding: 0;
  overflow: hidden;
}

.card-issue .card-tag,
.card-issue h3,
.card-issue .more {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.card-issue .card-tag {
  padding-top: 1.25rem;
}

.card-issue .more {
  display: block;
  padding-bottom: 1.25rem;
}

.card-issue h3 {
  margin-bottom: 0.75rem;
}

.issue-cover {
  margin-bottom: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
}

.issue-cover img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1508 / 574;
  object-fit: contain;
  background: #fff;
}

.article-figure {
  margin: 1.25rem 0;
  text-align: center;
}

.article-figure img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.article-figure figcaption {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.photo-gallery img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.insight-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 1.5rem;
  background: var(--bg);
  border-radius: var(--radius);
  margin: 1.5rem 0;
}

.insight-banner img {
  max-height: 72px;
  width: auto;
  object-fit: contain;
}

.insight-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.insight-split .split-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg);
}

.insight-split .split-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.insight-split .split-card .split-label {
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
}

.alumni-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.alumni-item {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.alumni-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.alumni-item h3 {
  margin: 0 0 0.25rem;
  color: var(--navy);
  font-size: 1.15rem;
}

.alumni-item .alumni-meta {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

@media (max-width: 640px) {
  .insight-split {
    grid-template-columns: 1fr;
  }

  .header-logos img {
    height: 40px;
  }
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-row img {
  height: 48px;
  width: auto;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  padding: 4px 8px;
}

.brand-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-sub {
  margin: 0.25rem 0 0;
  opacity: 0.88;
  font-size: 0.95rem;
}

.issue-meta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
  opacity: 0.9;
}

.issue-meta span {
  background: rgba(255, 255, 255, 0.12);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  border-left: 4px solid var(--gold);
  padding-left: 1rem;
  margin: 0 0 2rem;
}

.module {
  margin-bottom: 2.5rem;
}

.module-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.module-num {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.module h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--navy);
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(12, 35, 64, 0.12);
}

.card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  line-height: 1.4;
}

.card p {
  margin: 0;
  flex: 1;
  font-size: 0.925rem;
  color: var(--muted);
}

.card .more {
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.card .more::after {
  content: " →";
}

.article {
  background: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.article h1 {
  margin-top: 0;
  color: var(--navy);
  font-size: 1.75rem;
  line-height: 1.35;
}

.article .meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.article p {
  margin: 0 0 1rem;
  text-align: justify;
}

.article h2 {
  color: var(--navy);
  font-size: 1.2rem;
  margin: 2rem 0 0.75rem;
}

.article h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.5rem;
}

.note-box {
  background: var(--gold-soft);
  border-left: 4px solid var(--gold);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.source-note {
  font-size: 0.85rem;
  color: var(--muted);
  font-style: italic;
}

.breadcrumb {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb a:hover {
  color: var(--navy);
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  background: var(--navy);
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--navy-light);
}

.btn-outline {
  background: transparent;
  color: var(--navy) !important;
  border: 2px solid var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: #fff !important;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1rem 0;
}

table.data th,
table.data td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  text-align: left;
}

table.data th {
  background: var(--bg);
  color: var(--navy);
}

.video-wrap {
  position: relative;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 1.5rem 0;
}

.video-wrap video {
  width: 100%;
  max-height: 70vh;
  display: block;
}

.video-poster {
  min-height: 280px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  padding: 2rem;
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.compare-table {
  overflow-x: auto;
}

.compare-table table {
  min-width: 640px;
}

@media (max-width: 640px) {
  .article {
    padding: 1.25rem;
  }

  .brand-title {
    font-size: 1.2rem;
  }
}
