:root {
  color-scheme: light;
  --red-900: #7a0e0e;
  --red-800: #9f1313;
  --red-600: #c2181d;
  --red-500: #e03c38;
  --red-200: #ffd6c4;
  --gold-400: #f3d27b;
  --gold-200: #fff3d8;
  --neutral-50: #fff8f5;
  --neutral-200: #f6e7e0;
  --neutral-500: #8b6a64;
  --dark: #2c1b1b;
  font-family: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(255, 233, 200, 0.6), transparent 55%),
    #360404;
  color: #fff;
}

.page-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.hero {
  text-align: center;
  padding: 48px 24px;
  background: linear-gradient(135deg, rgba(224, 60, 56, 0.95), rgba(122, 14, 14, 0.95));
  border-radius: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 226, 190, 0.3);
  border-radius: 24px;
  pointer-events: none;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 243, 216, 0.2);
  border: 1px solid rgba(255, 228, 181, 0.3);
  font-size: 14px;
  letter-spacing: 0.2em;
}

.hero__badge::before,
.hero__badge::after {
  content: "✦";
  color: var(--gold-400);
}

.hero h1 {
  margin: 24px 0 16px;
  font-size: clamp(32px, 6vw, 52px);
  letter-spacing: 0.08em;
}

.hero p {
  margin: 0 auto;
  max-width: 560px;
  color: var(--gold-200);
  line-height: 1.8;
}

.hero__meta {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  color: var(--gold-400);
}

.hero__meta .dot {
  width: 6px;
  height: 6px;
  background: var(--gold-400);
  border-radius: 50%;
}

main {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.eyebrow {
  letter-spacing: 0.3em;
  font-size: 14px;
  color: var(--gold-400);
  margin-bottom: 8px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 36px);
}

.btn-secondary,
.btn-primary {
  padding: 12px 24px;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.btn-primary {
  background: linear-gradient(120deg, #f3d27b, #ffb347);
  color: var(--dark);
}

.btn-secondary:hover,
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.video-section,
.detail-info,
.story-section,
.timeline-section {
  background: rgba(64, 3, 3, 0.9);
  border-radius: 28px;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.04);
}

.video-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: #000;
  --video-ratio: 56.25%;
}

.video-wrapper::before {
  content: "";
  display: block;
  padding-top: var(--video-ratio);
}

.video-wrapper video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.info-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
}

.info-grid li {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.label {
  margin: 0;
  color: var(--gold-200);
  letter-spacing: 0.2em;
  font-size: 12px;
}

.value {
  margin: 8px 0 0;
  font-size: 20px;
  font-weight: 600;
}

.story-card {
  background: radial-gradient(circle, rgba(224, 60, 56, 0.35), rgba(33, 0, 0, 0.8));
  border-radius: 24px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.story-text {
  margin-top: 0;
  font-size: 18px;
  line-height: 1.8;
}

.highlight-list {
  margin: 24px 0 0;
  padding-left: 20px;
  color: var(--gold-200);
  line-height: 1.8;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.timeline__item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

.timeline__item .time {
  font-size: 22px;
  font-weight: 700;
  color: var(--gold-400);
}

.timeline__item h3 {
  margin: 0 0 8px;
}

.page-footer {
  margin-top: 48px;
  padding: 32px;
  border-radius: 28px;
  background: linear-gradient(120deg, rgba(255, 198, 140, 0.3), rgba(255, 255, 255, 0.05));
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-title {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.3em;
}

.footer-desc {
  margin: 8px 0 0;
  color: var(--gold-200);
}

@media (max-width: 768px) {
  .hero {
    padding: 24px 16px;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .page-footer {
    text-align: center;
  }

  .page-footer button {
    width: 100%;
  }
  
  /* 优化页面整体布局 */
  .page-shell {
    padding: 16px 12px 32px;
  }
  
  /* 优化视频播放器尺寸 */
  .video-wrapper {
    border-radius: 16px;
  }
  
  /* 优化各区块内边距 */
  .video-section,
  .detail-info,
  .story-section,
  .timeline-section {
    padding: 20px;
    border-radius: 20px;
  }
  
  /* 优化字体大小 */
  .hero h1 {
    font-size: 28px;
  }
  
  .section-heading h2 {
    font-size: 24px;
  }
  
  .story-text {
    font-size: 16px;
  }
  
  /* 优化信息网格布局 */
  .info-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  /* 优化按钮尺寸 */
  .btn-secondary,
  .btn-primary {
    padding: 10px 20px;
    font-size: 14px;
  }
  
  /* 优化页脚样式 */
  .page-footer {
    padding: 20px;
  }
  
  .footer-title {
    font-size: 20px;
  }
}