:root {
  --navy: #1a2744;
  --navy-2: #0f1a32;
  --gold: #ffbc3b;
  --blue: #2457d6;
  --ink: #172033;
  --muted: #657084;
  --line: #e3e8f0;
  --paper: #f5f6fa;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.8;
}

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

.detail-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: var(--navy);
}

.detail-top strong {
  color: var(--gold);
}

.detail-hero {
  padding: clamp(62px, 9vw, 110px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(15, 26, 50, 0.92), rgba(15, 26, 50, 0.6)),
    url("https://images.unsplash.com/photo-1523580846011-d3a5bc25702b?auto=format&fit=crop&w=1600&q=80") center/cover;
}

.detail-hero p {
  max-width: 760px;
  color: #dce4f3;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0 0 18px;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.12;
}

h2 {
  margin-top: 0;
  font-size: 30px;
  line-height: 1.25;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  padding: clamp(42px, 7vw, 82px) clamp(20px, 5vw, 72px);
}

.detail-main,
.detail-side,
.info-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 14px 36px rgba(26, 39, 68, 0.1);
}

.detail-main {
  padding: clamp(26px, 4vw, 44px);
}

.detail-main section + section {
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.detail-main p,
.detail-main li,
.detail-side p {
  color: var(--muted);
}

.detail-main ul,
.detail-main ol {
  padding-left: 22px;
}

.detail-side {
  align-self: start;
  padding: 24px;
}

.detail-side a,
.cta-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  padding: 0 18px;
  color: var(--navy);
  background: var(--gold);
  border-radius: 4px;
  font-weight: 800;
}

.meta-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.meta-list div {
  padding: 14px;
  background: var(--paper);
  border-left: 4px solid var(--gold);
}

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

.info-card {
  padding: 22px;
}

.footer {
  padding: 30px clamp(20px, 5vw, 72px);
  color: #dce4f3;
  background: var(--navy-2);
}

@media (max-width: 880px) {
  .detail-layout,
  .info-grid {
    grid-template-columns: 1fr;
  }
}