/* ============================================
   视频战略布局样式
   ============================================ */

/* ---- 一、沉浸式影院模式（Hero宣传片） ---- */
.cinema-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.cinema-modal.active {
  display: flex;
}

/* 毛玻璃遮罩 - 让底层粒子网络变暗 */
.cinema-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 8, 18, 0.88);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  animation: cinemaFadeIn 0.4s ease;
}

/* 视频容器 - 居中悬浮无边框 */
.cinema-video-wrap {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow:
    0 0 80px rgba(0, 240, 255, 0.12),
    0 0 200px rgba(0, 240, 255, 0.05),
    0 4px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 240, 255, 0.15);
  animation: cinemaScaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cinema-video-wrap video {
  display: block;
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

/* 关闭按钮 */
.cinema-close {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 10;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.cinema-close:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

@keyframes cinemaFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes cinemaScaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

/* Hero视频按钮涟漪动效 */
.hero-actions .video-play-btn {
  position: relative;
}

.hero-actions .video-play-btn .play-icon {
  position: relative;
}

.hero-actions .video-play-btn .play-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(0, 240, 255, 0.3);
  transform: translate(-50%, -50%);
  animation: playRipple 2.5s ease-out infinite;
}

@keyframes playRipple {
  0% { width: 32px; height: 32px; opacity: 0.6; }
  100% { width: 56px; height: 56px; opacity: 0; }
}


/* ---- 二、权威发声 / 数智视界板块 ---- */
.vision {
  padding: var(--section-padding);
  position: relative;
  background: var(--bg-secondary);
}

.vision-header {
  text-align: center;
  margin-bottom: 56px;
}

.vision-header .section-desc {
  margin: 0 auto;
}

.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 1060px;
  margin: 0 auto;
}

/* 视频卡片 - 亚克力悬浮质感 */
.vision-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 9;
  background: var(--bg-tertiary);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid rgba(0, 240, 255, 0.1);
  transition: all 0.4s ease;
}

.vision-card:hover {
  border-color: rgba(0, 240, 255, 0.3);
  transform: translateY(-6px);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(0, 240, 255, 0.08);
}

/* 科技蓝网格遮罩 */
.vision-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(to top, rgba(10, 14, 26, 0.9) 0%, rgba(10, 14, 26, 0.3) 50%, rgba(10, 14, 26, 0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  transition: all 0.5s ease;
  z-index: 2;
}

/* 网格扫描线 */
.vision-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 240, 255, 0.03) 2px,
      rgba(0, 240, 255, 0.03) 4px
    );
  opacity: 1;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

/* 雷达扫描动效 */
.vision-card::after {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  z-index: 4;
  background: linear-gradient(
    45deg,
    transparent 40%,
    rgba(0, 240, 255, 0.06) 45%,
    rgba(0, 240, 255, 0.12) 50%,
    rgba(0, 240, 255, 0.06) 55%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.vision-card:hover::before {
  opacity: 0;
}

.vision-card:hover::after {
  opacity: 1;
  animation: radarSweep 2s linear infinite;
}

@keyframes radarSweep {
  from { transform: translateX(-30%) translateY(-30%); }
  to { transform: translateX(30%) translateY(30%); }
}

/* 播放图标 - 悬停浮现 */
.vision-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  z-index: 5;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  border: 2px solid rgba(0, 240, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.vision-play::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent var(--neon-cyan);
  margin-left: 4px;
}

.vision-card:hover .vision-play {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.25);
}

/* 金句信息 */
.vision-info {
  position: relative;
  z-index: 6;
}

.vision-source {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.2);
  margin-bottom: 10px;
}

.vision-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
}

.vision-quote {
  font-size: 0.9rem;
  color: var(--neon-cyan);
  font-weight: 500;
  font-style: italic;
  opacity: 0.85;
}

/* 新闻视频弹窗 */
.news-video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9998;
  align-items: center;
  justify-content: center;
}

.news-video-modal.active {
  display: flex;
}


/* ---- 三、关于中心 - 发展历程时间轴 ---- */
.timeline-section {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--border-subtle);
}

.timeline-section .section-label {
  margin-bottom: 40px;
}

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--neon-cyan), var(--neon-blue), transparent);
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding-left: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -40px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--neon-cyan);
  z-index: 1;
}

.timeline-dot.dot-major {
  width: 16px;
  height: 16px;
  left: -42px;
  top: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--neon-cyan);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.timeline-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 时间轴上的视频卡片 */
.timeline-video-card {
  margin-top: 12px;
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 9;
  max-width: 400px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid rgba(0, 240, 255, 0.15);
  transition: all 0.3s ease;
}

.timeline-video-card:hover {
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
}

.timeline-video-card .tv-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.85) 0%, transparent 60%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-video-card .tv-play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.15);
  border: 2px solid var(--neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.timeline-video-card .tv-play::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 7px 0 7px 12px;
  border-color: transparent transparent transparent var(--neon-cyan);
  margin-left: 3px;
}

.timeline-video-card:hover .tv-play {
  background: rgba(0, 240, 255, 0.25);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
  transform: scale(1.1);
}

.timeline-video-card .tv-label {
  position: absolute;
  bottom: 10px;
  left: 12px;
  font-size: 0.75rem;
  color: var(--neon-cyan);
  font-weight: 600;
  z-index: 1;
}


/* ---- 四、新闻影像档案 ---- */
.news-archive {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--border-subtle);
}

.news-archive-title {
  text-align: center;
  margin-bottom: 36px;
}

.news-archive-title h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.news-archive-title p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.archive-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.archive-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 9;
  background: var(--bg-tertiary);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid rgba(0, 240, 255, 0.1);
  transition: all 0.3s ease;
}

.archive-card.archive-promo {
  grid-row: span 2;
  aspect-ratio: auto;
}

.archive-card:hover {
  border-color: rgba(0, 240, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 240, 255, 0.06);
}

.archive-card .archive-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.9) 0%, rgba(10, 14, 26, 0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  transition: all 0.3s ease;
}

.archive-card .archive-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  border: 2px solid rgba(0, 240, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.4s ease;
}

.archive-card .archive-play::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 9px 0 9px 15px;
  border-color: transparent transparent transparent var(--neon-cyan);
  margin-left: 3px;
}

.archive-card:hover .archive-play {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.archive-card .archive-type {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.archive-card .archive-type.type-promo {
  background: rgba(168, 85, 247, 0.1);
  color: var(--neon-purple);
  border-color: rgba(168, 85, 247, 0.2);
}

.archive-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

.archive-promo h4 {
  font-size: 1.05rem;
}

.archive-card .archive-duration {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}


/* ---- 响应式 ---- */
@media (max-width: 768px) {
  .vision-grid {
    grid-template-columns: 1fr;
  }
  
  .archive-grid {
    grid-template-columns: 1fr;
  }
  
  .archive-card.archive-promo {
    grid-row: span 1;
  }
  
  .timeline-video-card {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .vision-info h3 {
    font-size: 1rem;
  }
  
  .vision-quote {
    font-size: 0.8rem;
  }
}