/* ============================================
   弹窗通用样式（OPC概念、视频工坊共用）
   ============================================ */

/* 遮罩 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 15, 36, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* 锁滚动时补上滚动条宽度，避免页面和弹窗横向跳动 */
body.is-scroll-locked {
  overflow: hidden;
  padding-right: var(--scrollbar-comp, 0px);
}

body.is-scroll-locked .modal-overlay {
  padding-right: var(--scrollbar-comp, 0px);
}

/* 弹窗主体 */
.modal {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 720px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-normal);
}

.modal-overlay.is-open .modal {
  transform: translateY(0) scale(1);
}

/* 弹窗头部 */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-title-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1;
}

.modal-close:hover {
  background: #fee2e2;
  color: #ef4444;
}

/* 弹窗内容 */
.modal-body {
  padding: var(--space-lg);
}

.modal-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.modal-body .highlight-box {
  background: linear-gradient(135deg, #eff6ff, #f0f9ff);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
}

.modal-body .highlight-box strong {
  color: var(--color-primary);
}

/* OPC概念 - 数据卡片 */
.insight-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.insight-card {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  background: linear-gradient(135deg, #f8f9fb, #f1f5f9);
  border-radius: var(--radius-md);
}

.insight-card-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.insight-card-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* 视频工坊 - 案例卡片 */
.video-cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.video-case-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.video-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.video-case-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #1e293b;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.video-case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-case-card:hover .video-case-thumb img {
  transform: scale(1.05);
}

.video-play-icon {
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  z-index: 1;
}

.video-play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}

.video-case-card:hover .video-play-icon {
  background: rgba(212, 168, 67, 0.85);
  transform: scale(1.1);
}

.video-case-label {
  padding: var(--space-sm);
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  background: var(--color-bg-card);
}

/* 360融数基地弹窗：一屏展示，无滚动 */
.nano-base-modal {
  max-width: 780px;
  max-height: 90vh;
  max-height: 90dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.nano-base-modal .modal-header {
  flex-shrink: 0;
  padding: 14px 20px;
}

.nano-base-modal .modal-title {
  font-size: 18px;
}

.nano-base-modal .modal-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nano-base-modal .modal-footer {
  flex-shrink: 0;
  padding: 10px 20px;
}

.nano-base-modal .modal-section-title {
  margin: 0;
  flex-shrink: 0;
  font-size: 15px;
}

.nano-base-modal .modal-section-title::before {
  height: 14px;
}

.nano-hero-visual {
  position: relative;
  width: 100%;
  flex: 1 1 auto;
  min-height: 160px;
  max-height: 38vh;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #05070f;
}

.nano-hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.nano-hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  pointer-events: none;
}

.nano-hero-title {
  width: min(360px, 68%);
  max-height: 42%;
  height: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 16px rgba(120, 255, 180, 0.35));
}

.nano-hero-subtitle {
  width: min(260px, 52%);
  max-height: 22%;
  height: auto;
  object-fit: contain;
  display: block;
  margin-top: 8px;
}

.nano-base-modal .video-cases {
  flex-shrink: 0;
  margin-top: 0;
  gap: 12px;
}

.nano-base-modal .video-case-thumb {
  aspect-ratio: 16 / 9;
  max-height: 140px;
}

.nano-base-modal .video-case-label {
  padding: 8px;
  font-size: 13px;
}

.nano-base-modal .video-play-icon {
  width: 44px;
  height: 44px;
}

.nano-base-modal .video-play-icon::after {
  border-width: 8px 0 8px 14px;
}

/* 视频放大播放层 */
.video-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.82);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.video-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.video-lightbox-inner {
  position: relative;
  width: min(1000px, 94vw);
  aspect-ratio: 16 / 9;
  max-height: 80vh;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

.video-lightbox-inner video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.video-lightbox-close {
  position: absolute;
  top: -42px;
  right: 0;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Modal中等标题 */
.modal-section-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: var(--space-md) 0 var(--space-sm);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-section-title::before {
  content: '';
  width: 4px;
  height: 18px;
  background: var(--color-gold);
  border-radius: 2px;
}

/* 弹窗底部 */
.modal-footer {
  padding: var(--space-sm) var(--space-lg);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: flex-end;
}

/* 响应式 */
@media (max-width: 768px) {
  .modal {
    width: 95%;
    max-height: 90vh;
    border-radius: var(--radius-lg);
  }

  .modal-header {
    padding: var(--space-sm) var(--space-md);
  }

  .modal-body {
    padding: var(--space-md);
  }

  .insight-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .insight-card-number {
    font-size: 24px;
  }

  .insight-card-label {
    font-size: 12px;
  }

  .video-cases {
    grid-template-columns: 1fr;
  }

  .nano-base-modal {
    max-height: 92vh;
    max-height: 92dvh;
    width: 94%;
  }

  .nano-base-modal .modal-header {
    padding: 12px 14px;
  }

  .nano-base-modal .modal-title {
    font-size: 15px;
  }

  .nano-base-modal .modal-body {
    padding: 10px 14px;
    gap: 8px;
  }

  .nano-base-modal .video-cases {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .nano-hero-visual {
    min-height: 120px;
    max-height: 28vh;
  }

  .nano-hero-title {
    width: 78%;
  }

  .nano-hero-subtitle {
    width: 62%;
    margin-top: 6px;
  }

  .nano-base-modal .video-case-thumb {
    max-height: 90px;
  }

  .nano-base-modal .video-case-label {
    padding: 6px;
    font-size: 12px;
  }

  .nano-base-modal .video-play-icon {
    width: 36px;
    height: 36px;
  }

  .video-lightbox-close {
    top: -40px;
  }
}