/* ============================================================
   迎风聚智展厅展示屏 - 全局样式
   ------------------------------------------------------------
   适配 86寸 4K (3840×2160) 16:9 触摸电视
   支持四屏模式 + 全屏轮播模式切换
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0a0a0f;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans CN", sans-serif;
  color: #fff;
  touch-action: manipulation;
}

/* ============================================================
   四屏模式：2×2 Grid
   ============================================================ */
.stage {
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.4vw;
  padding: 0.4vw;
}

.stage.hidden {
  display: none;
}

.quadrant {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 0.6vw;
  overflow: hidden;
  border: 0.05vw solid rgba(255, 255, 255, 0.06);
}

.quad-body {
  flex: 1;
  position: relative;
  overflow: hidden;
  padding: 1.2vw;
  display: flex;
  flex-direction: column;
}

/* ============ ① 公司简介 ============ */
.q-intro {
  background: #f5f3ef;
  color: #333;
}

.intro-body {
  align-items: center;
  text-align: center;
  position: relative;
}

/* 收起态容器（标题+卡片+摘要+按钮）淡出动画 */
.intro-collapsed {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 2vw;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.intro-collapsed.hiding {
  opacity: 0;
  transform: translateY(-1.5vw);
  pointer-events: none;
}

.intro-collapsed.hidden {
  display: none;
}

/* 展开态容器淡入动画 */
.intro-detail-inplace {
  display: none;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.5vw 0.8vw;
  background: #f5f3ef;
  opacity: 0;
  transform: translateY(1.5vw);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.intro-detail-inplace.show {
  display: block;
}

.intro-detail-inplace.shown {
  opacity: 1;
  transform: translateY(0);
}

.intro-title {
  font-size: 1.6vw;
  font-weight: 600;
  color: #c41e1e;
  letter-spacing: 0.2vw;
}

.intro-subtitle {
  font-size: 0.9vw;
  color: #888;
  margin-top: 0.3vw;
}

.intro-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7vw;
  width: 100%;
  padding: 1vw 0.8vw 0.6vw;
}

/* 卡片容器：包裹卡片 + 摘要文字 */
.intro-card-section {
  width: 100%;
  margin-bottom: 1vw;
}

.intro-card {
  background: #fff;
  padding: 0.8vw 0.4vw;
  text-align: center;
}

.intro-card-icon {
  font-size: 2.2vw;
  color: #c41e1e;
  margin-bottom: 0.5vw;
  display: flex;
  justify-content: center;
  align-items: center;
}

.intro-card-icon-img {
  width: 2.5vw;
  height: 2.5vw;
  object-fit: contain;
}

.intro-card-title {
  font-size: 0.9vw;
  color: #222;
  font-weight: 700;
  margin-bottom: 0.25vw;
  line-height: 1.3;
}

.intro-card-desc {
  font-size: 0.7vw;
  color: #aaa;
}

.intro-text-wrap {
  background: #fff;
  border-radius: 0.5vw;
  padding: 0.8vw 1vw;
  border: 0.05vw solid #eee;
  width: 100%;
  box-shadow: 0 0.15vw 0.4vw rgba(0, 0, 0, 0.04);
}

.intro-text {
  font-size: 0.85vw;
  color: #555;
  line-height: 1.7;
  text-align: left;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.intro-more {
  margin-top: auto;
  background: transparent;
  border: none;
  padding: 0.5vw 0;
  font-size: 0.85vw;
  color: #333;
  cursor: pointer;
  transition: all 0.2s;
}

.intro-more:hover,
.intro-more:active {
  opacity: 0.6;
}

/* ============ ② 资质荣誉 ============ */
.q-honor {
  background: #eef2f5;
  color: #333;
}

.honor-body {
  align-items: center;
  text-align: center;
}

.honor-header {
  margin-bottom: 1vw;
}

.honor-title {
  font-size: 1.6vw;
  font-weight: 600;
  color: #333;
  letter-spacing: 0.2vw;
}

.honor-subtitle {
  font-size: 0.85vw;
  color: #888;
  margin-top: 0.3vw;
}

.honor-stage {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
  /* 左右渐隐遮罩，让滚动进出更柔和 */
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
          mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
}

.honor-carousel {
  display: flex;
  gap: 1vw;
  align-items: center;
  width: max-content;
  /* 向左匀速滚动：94 张 × 2 = 188 张，约 5 秒/张，总时长约 470 秒 */
  animation: honor-scroll 470s linear infinite;
  will-change: transform;
}

@keyframes honor-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.honor-card {
  width: 14vw;
  min-width: 14vw;
  background: #fff;
  border-radius: 0.6vw;
  padding: 0.4vw;
  text-align: center;
  border: 0.05vw solid #ccc;
  box-shadow: 0 0.15vw 0.4vw rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transform: none;
  transition: all 0.3s ease;
  /* 防止子元素溢出 */
  overflow: hidden;
}

.honor-card-img {
  width: 100%;
  height: 18vw;
  object-fit: contain;
  display: block;
  background: #fafafa;
  border-radius: 0.3vw;
}

.honor-card-logo {
  width: 3.5vw;
  height: 3.5vw;
  border-radius: 50%;
  background: rgba(196, 30, 30, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2vw;
  font-weight: 700;
  margin-bottom: 0.5vw;
}

.honor-card-name {
  font-size: 0.85vw;
  font-weight: 600;
  color: #333;
  line-height: 1.4;
}

.honor-card-desc {
  font-size: 0.7vw;
  color: #888;
  margin-top: 0.2vw;
}

.honor-dots {
  display: none;
  gap: 0.4vw;
  justify-content: center;
  margin-top: 0.8vw;
}

.honor-dot {
  width: 0.5vw;
  height: 0.5vw;
  border-radius: 50%;
  background: #ddd;
  transition: all 0.3s;
}

.honor-dot.active {
  background: #c41e1e;
  width: 1.5vw;
  border-radius: 0.25vw;
}

/* ============ ③ 核心产品演示 ============ */
.q-products {
  background: #fafafa;
  color: #333;
}

#product-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* 顶部：标题 + 分类导航 + 提示 */
.products-topbar {
  display: flex;
  align-items: center;
  gap: 0.8vw;
  padding: 0.3vw 0.5vw;
  border-bottom: 0.05vw solid #e0e0e0;
  flex-shrink: 0;
}

.products-title {
  font-size: 1.15vw;
  font-weight: 700;
  color: #185fa5;
  letter-spacing: 0.08vw;
  white-space: nowrap;
}

.products-tag {
  font-size: 0.7vw;
  color: #888;
  background: #eee;
  padding: 0.2vw 0.6vw;
  border-radius: 1vw;
  white-space: nowrap;
}

/* 右上角轮播控制按钮 */
.pd-auto-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3vw;
  padding: 0.3vw 0.7vw;
  font-size: 0.7vw;
  font-weight: 500;
  color: #fff;
  background: #1976D2;
  border: none;
  border-radius: 1vw;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  margin-left: auto;
  min-height: 28px;
}

.pd-auto-toggle:hover {
  background: #1565C0;
  box-shadow: 0 0.1vw 0.3vw rgba(25, 118, 210, 0.35);
}

.pd-auto-toggle.paused {
  background: #f57c00;
  color: #fff;
}

.pd-auto-toggle.paused:hover {
  background: #ef6c00;
}

.pd-auto-toggle .pd-auto-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pd-auto-toggle .pd-auto-icon svg {
  width: 0.6em;
  height: 0.6em;
  fill: currentColor;
}

/* 分类导航 tabs */
.pd-nav-tabs {
  display: flex;
  gap: 0.4vw;
}

.pd-nav-tab {
  display: flex;
  align-items: center;
  gap: 0.3vw;
  padding: 0.3vw 0.8vw;
  font-size: 0.78vw;
  font-weight: 500;
  color: #555;
  background: #fff;
  border: 0.05vw solid #ddd;
  border-radius: 0.4vw;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  position: relative;
}

.pd-nav-tab:hover {
  border-color: #378add;
  color: #378add;
}

.pd-nav-tab.active {
  background: #1976D2;
  border-color: #1976D2;
  color: #fff;
}

.pd-nav-tab .pd-tab-arrow {
  font-size: 0.6vw;
  transition: transform 0.25s ease;
  display: inline-block;
}

.pd-nav-tab.active .pd-tab-arrow {
  transform: rotate(180deg);
}

/* 下方主区域 */
.products-main {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

/* 下拉面板 */
.pd-dropdown-panel {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(250, 250, 250, 0.98);
  z-index: 20;
  padding: 0.8vw 1vw;
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-0.5vw);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.pd-dropdown-panel.show {
  display: block;
}

.pd-dropdown-panel.shown {
  opacity: 1;
  transform: translateY(0);
}

.pd-dropdown-title {
  font-size: 0.8vw;
  color: #185fa5;
  font-weight: 600;
  margin-bottom: 0.5vw;
  padding-bottom: 0.3vw;
  border-bottom: 0.04vw solid #e0e0e0;
}

.pd-dropdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8vw, 1fr));
  gap: 0.5vw;
}

.pd-dropdown-item {
  background: #fff;
  border: 0.06vw solid #c5d9ed;
  border-radius: 0.4vw;
  padding: 0.6vw 0.4vw;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 3.5vw;
}

.pd-dropdown-item:hover,
.pd-dropdown-item:active {
  background: #e6f1fb;
  border-color: #378add;
  transform: translateY(-0.1vw);
  box-shadow: 0 0.15vw 0.4vw rgba(55, 138, 221, 0.2);
}

.pd-dropdown-item.current {
  background: #d0e7fa;
  border-color: #1976D2;
}

.pd-dropdown-item-name {
  font-size: 0.78vw;
  font-weight: 600;
  color: #0c447c;
  line-height: 1.3;
}

.pd-dropdown-item-hint {
  font-size: 0.6vw;
  color: #888;
  margin-top: 0.15vw;
}

/* 详情页容器 */
.pd-detail-page {
  width: 100%;
  height: 100%;
  background: #f5f7fa;
  overflow: hidden;
  padding: 0.3vw;
  border-radius: 0.4vw;
  position: relative;
}

.pd-detail-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(0.8vw);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.pd-detail-inner.shown {
  opacity: 1;
  transform: translateY(0);
}

/* 详情页标题区 */
.pd-title-section {
  text-align: center;
  padding: 0.15vw 0 0.1vw;
  flex-shrink: 0;
}

.pd-title {
  font-size: 1.1vw;
  font-weight: 700;
  color: #222;
  letter-spacing: 0.1em;
}

.pd-subtitle {
  font-size: 0.6vw;
  color: #1976D2;
  margin-top: 0.1vw;
  letter-spacing: 0.05em;
}

/* 详情页主体两栏布局 */
.pd-body {
  display: flex;
  gap: 0.6vw;
  padding: 0 0.15vw;
  flex: 1;
  align-items: stretch;
  min-height: 0;
}

.pd-left-col {
  flex: 1.1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25vw;
}

.pd-desc {
  font-size: 0.58vw;
  color: #555;
  line-height: 1.55;
  text-indent: 1.8em;
  margin-bottom: 0.05vw;
  margin-top: 0.3vw;
}

/* 特性卡片 */
.pd-feature-card {
  background: #fff;
  border-radius: 0.4vw;
  padding: 0.3vw 0.5vw;
  display: flex;
  align-items: center;
  gap: 0.4vw;
  border: 0.04vw solid #e8ecf1;
  box-shadow: 0 0.04vw 0.12vw rgba(0,0,0,0.03);
}

.pd-feature-icon-img {
  width: 1vw;
  height: 1vw;
  object-fit: contain;
  flex-shrink: 0;
}

.pd-feature-text h4 {
  font-size: 0.65vw;
  color: #185fa5;
  font-weight: 600;
  margin-bottom: 0.05vw;
}

.pd-feature-text p {
  font-size: 0.52vw;
  color: #888;
  line-height: 1.35;
}

/* 2列特性网格（AgentRunner） */
.pd-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3vw;
  margin-top: 0.2vw;
}

/* 标签 */
.pd-tags {
  display: flex;
  gap: 0.25vw;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0.1vw 0;
}

.pd-tag {
  font-size: 0.55vw;
  color: #1976D2;
  border: 0.03vw solid #bbdefb;
  background: #e3f2fd;
  border-radius: 1vw;
  padding: 0.12vw 0.5vw;
  white-space: nowrap;
}

/* 视频按钮 */
.pd-video-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3vw;
  background: #fff;
  border: 0.05vw solid #1976D2;
  border-radius: 1.5vw;
  padding: 0.28vw 1vw;
  font-size: 0.65vw;
  color: #1976D2;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  margin-top: auto;
  min-height: 30px;
}

.pd-video-btn .pd-play-icon {
  width: 1vw;
  height: 1vw;
  background: #1976D2;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.52vw;
  flex-shrink: 0;
}

.pd-video-btn::after {
  content: '▶';
}

.pd-video-btn:hover {
  background: #1976D2;
  color: #fff;
  box-shadow: 0 0.12vw 0.3vw rgba(25, 118, 210, 0.25);
}

/* 右侧截图区 */
.pd-right-col {
  flex: 1.3;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pd-screenshot-carousel {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 0.4vw;
  border: 0.04vw solid #ddd;
  box-shadow: 0 0.08vw 0.2vw rgba(0,0,0,0.06);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pd-slide {
  display: none;
  width: 100%;
  height: 100%;
}

.pd-slide.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pd-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.pd-screenshot-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg,#e8f0fe,#f0f4f8);
  color: #aaa;
  font-size: 0.75vw;
  border-radius: 0.4vw;
}

/* 轮播指示点 */
.pd-carousel-dots {
  position: absolute;
  bottom: 0.3vw;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.3vw;
  z-index: 5;
  padding: 0.15vw 0.3vw;
  background: rgba(255,255,255,0.7);
  border-radius: 1vw;
}

.pd-dot {
  width: 0.35vw;
  height: 0.35vw;
  border-radius: 50%;
  background: rgba(150,150,150,0.5);
  transition: all 0.3s;
  cursor: pointer;
}

.pd-dot.active {
  width: 0.9vw;
  border-radius: 0.2vw;
  background: #1976D2;
}

/* ============ ④ 合作伙伴 ============ */
.q-partners {
  background: #f0f4f8;
  color: #333;
}

.partners-header {
  text-align: center;
  margin-bottom: 0.8vw;
}

.partners-title {
  font-size: 1.6vw;
  font-weight: 600;
  color: #333;
  letter-spacing: 0.2vw;
}

.partners-subtitle {
  font-size: 0.8vw;
  color: #888;
  margin-top: 0.3vw;
}

.partners-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.6vw;

  /* 细窄滚动条 */
  scrollbar-width: thin;
  scrollbar-color: #ccc transparent;
}

.partners-list::-webkit-scrollbar {
  width: 0.3vw;
}

.partners-list::-webkit-scrollbar-track {
  background: transparent;
}

.partners-list::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 1.5vw;
}

.partners-list::-webkit-scrollbar-thumb:hover {
  background: #999;
}

.partner-group {
  display: flex;
  flex-direction: column;
  gap: 0.3vw;
}

.partner-group-label {
  font-size: 0.85vw;
  color: #888;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.partner-cat-icon {
  width: 1.1vw;
  height: 1.1vw;
  margin-right: 0.3vw;
  flex-shrink: 0;
  object-fit: contain;
}

.partner-cat-left {
  display: flex;
  align-items: center;
}

.partner-cat-cn {
  font-size: 0.9vw;
  font-weight: 600;
  color: #444;
  white-space: nowrap;
}

.partner-cat-en {
  font-size: 0.65vw;
  color: #999;
  margin-left: 0.35vw;
  letter-spacing: 0.03em;
}

.partner-group-count {
  color: #1976D2;
  font-weight: 600;
  font-size: 0.75vw;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4vw;
}

.partner-logo {
  background: #fff;
  border-radius: 0.4vw;
  border: 0.05vw solid #eee;
  padding: 0.5vw 0.3vw;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7vw;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s;
  min-height: 2vw;
}

.partner-logo:hover {
  transform: scale(1.05);
  box-shadow: 0 0.15vw 0.4vw rgba(0, 0, 0, 0.1);
}

.partner-logo-img {
  background: #fff;
  border-radius: 0.4vw;
  border: 0.05vw solid #e8e8e8;
  padding: 0.5vw 0.6vw;
  width: 100%;
  height: auto;
  max-height: 3.2vw;
  object-fit: contain;
  transition: all 0.2s;
}

.partner-logo-img:hover {
  transform: scale(1.06);
  box-shadow: 0 0.15vw 0.5vw rgba(0, 0, 0, 0.12);
}

/* ============================================================
   全屏轮播模式
   ============================================================ */
.fullscreen-stage {
  position: fixed;
  inset: 0;
  background: #0a0a0f;
  z-index: 50;
}

.fullscreen-slide {
  width: 100%;
  height: 100%;
  padding: 2vw;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
}

/* 全屏模式下各区域样式增强 */
.fullscreen-slide .quad-body {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.fullscreen-slide .intro-title,
.fullscreen-slide .honor-title,
.fullscreen-slide .partners-title {
  font-size: 2.5vw;
}

.fullscreen-slide .intro-subtitle,
.fullscreen-slide .honor-subtitle,
.fullscreen-slide .partners-subtitle {
  font-size: 1.2vw;
}

.fullscreen-slide .intro-card {
  padding: 1.5vw 1vw;
}

.fullscreen-slide .intro-card-icon {
  font-size: 3vw;
}

.fullscreen-slide .intro-card-icon-img {
  width: 3.5vw;
  height: 3.5vw;
}

.fullscreen-slide .intro-card-title {
  font-size: 1.3vw;
}

.fullscreen-slide .intro-card-desc {
  font-size: 1vw;
}

.fullscreen-slide .intro-text {
  font-size: 1.2vw;
  -webkit-line-clamp: unset;
  line-height: 2;
}

/* 全屏公司简介详情页字号调大 */
.fullscreen-slide .intro-detail-inplace h2 {
  font-size: 1.5vw;
  margin: 1.8vw 0 0.6vw;
  border-left-width: 0.25vw;
  padding-left: 0.8vw;
}

.fullscreen-slide .intro-detail-inplace p {
  font-size: 1.1vw;
  line-height: 2;
  margin-bottom: 0.9vw;
}

.fullscreen-slide .intro-detail-inplace .highlight {
  font-size: 1.15vw;
}

.fullscreen-slide .intro-detail-inplace .quote {
  font-size: 1.15vw;
}

.fullscreen-slide .honor-card {
  width: 18vw;
  min-width: 18vw;
  padding: 0.6vw;
}

.fullscreen-slide .honor-card-img {
  height: 23vw;
}

.fullscreen-slide .honor-card-logo {
  width: 5vw;
  height: 5vw;
  font-size: 1.8vw;
}

.fullscreen-slide .honor-card-name {
  font-size: 1.2vw;
}

.fullscreen-slide .product-card {
  padding: 1.2vw 0.8vw;
}

.fullscreen-slide .product-card-name {
  font-size: 1.3vw;
}

.fullscreen-slide .partner-logo {
  font-size: 1vw;
  min-height: 3vw;
}

.fullscreen-slide .partner-logo-img {
  max-height: 5.2vw;
  padding: 0.8vw 1vw;
}

/* 全屏合作伙伴行距加大 */
.fullscreen-slide .partners-list {
  gap: 1.4vw;
}

.fullscreen-slide .partner-group {
  gap: 0.6vw;
}

.fullscreen-slide .partner-grid {
  gap: 0.8vw;
}

/* 全屏产品详情页 */
.fullscreen-slide .fs-product-detail {
  background: #f0f4f8;
}

.fullscreen-slide .pd-detail-inner {
  max-width: 85%;
  margin: 0 auto;
  padding-top: 3vw;
  display: flex;
  flex-direction: column;
}

/* 左右栏等高：body 用 flex 纵向布局，pd-body 撑满剩余空间 */
.fullscreen-slide .pd-body {
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

.fullscreen-slide .pd-left-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  padding-right: 1vw;
}

.fullscreen-slide .pd-right-col {
  flex: 1.2;
  min-width: 0;
  display: flex;
  align-items: stretch; /* 与左栏等高 */
}

/* 截图轮播区：由右栏决定高度，不设固定高度 */
.fullscreen-slide .pd-screenshot-carousel {
  width: 100%;
  height: 100% !important;
  background: #fff;
  border-radius: 0.4vw;
  border: 0.04vw solid #ddd;
  box-shadow: 0 0.08vw 0.2vw rgba(0,0,0,0.06);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fullscreen-slide .pd-screenshot-placeholder {
  font-size: 1.2vw;
}

/* 全屏模式下确保圆点指示器可见 */
.fullscreen-slide .pd-carousel-dots {
  z-index: 10;
  background: rgba(255,255,255,0.85);
}

.fullscreen-slide .pd-title {
  font-size: 2.8vw;
}

.fullscreen-slide .pd-subtitle {
  font-size: 1.2vw;
}

.fullscreen-slide .pd-desc {
  font-size: 1.1vw;
  line-height: 1.8;
}

.fullscreen-slide .pd-feature-card h4 {
  font-size: 1.1vw;
}

.fullscreen-slide .pd-feature-card p {
  font-size: 0.8vw;
}

.fullscreen-slide .pd-feature-icon-img {
  width: 3vw;
  height: 3vw;
}

.fullscreen-slide .pd-tag {
  font-size: 0.8vw;
  padding: 0.3vw 0.8vw;
}

.fullscreen-slide .pd-video-btn {
  font-size: 1.1vw;
  padding: 0.6vw 2vw;
}

.fullscreen-progress {
  position: fixed;
  bottom: 1.5vw;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.8vw;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  padding: 0.6vw 1.5vw;
  border-radius: 2vw;
  backdrop-filter: blur(8px);
  z-index: 51;
}

.fs-step,
.fs-arrow {
  font-size: 0.85vw;
  color: #fff;
}

.fs-step {
  opacity: 0.5;
  transition: all 0.3s;
  cursor: pointer;
  padding: 0.1vw 0.3vw;
  border-radius: 0.3vw;
  user-select: none;
}

.fs-step:hover {
  opacity: 0.8;
  background: rgba(255,255,255,0.1);
}

.fs-step.active {
  color: #c41e1e;
  font-weight: 600;
  opacity: 1;
  font-size: 0.95vw;
  cursor: default;
}

.fs-arrow {
  opacity: 0.4;
}

/* 全屏轮播暂停按钮 */
.fs-pause-btn {
  margin-left: 0.6vw;
  font-size: 0.75vw;
  color: #fff;
  cursor: pointer;
  opacity: 0.7;
  transition: all 0.2s;
  padding: 0.15vw 0.4vw;
  border-radius: 0.3vw;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-pause-btn svg {
  width: 0.75em;
  height: 0.75em;
  fill: currentColor;
}

.fs-pause-btn:hover {
  opacity: 1;
  background: rgba(255,255,255,0.15);
}

.fs-pause-btn.paused {
  color: #ff9800;
  opacity: 1;
}

/* 全屏轮播上下页切换按钮 */
.fs-nav-btn {
  margin-left: 0.3vw;
  font-size: 0.65vw;
  color: #fff;
  cursor: pointer;
  opacity: 0.6;
  transition: all 0.2s;
  padding: 0.1vw 0.35vw;
  border-radius: 0.25vw;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-nav-btn svg {
  width: 0.65em;
  height: 0.65em;
  fill: currentColor;
}

.fs-nav-btn:hover {
  opacity: 1;
  background: rgba(255,255,255,0.15);
}

/* 倒计时进度条 */
.fullscreen-countdown {
  position: fixed;
  top: 0;
  left: 0;
  height: 0.2vw;
  background: #c41e1e;
  width: 0%;
  transition: width 0.1s linear;
  z-index: 52;
}

/* ============================================================
   公司简介展开（在象限内展开，非全屏遮罩）
   注意：display/opacity/transform 动画在文件上方定义
   ============================================================ */
.intro-detail-inplace::-webkit-scrollbar {
  width: 0.25vw;
}

.intro-detail-inplace::-webkit-scrollbar-thumb {
  background: #c41e1e;
  border-radius: 1vw;
}

.intro-detail-inplace h2 {
  font-size: 1.05vw;
  color: #222;
  margin: 1.2vw 0 0.4vw;
  font-weight: 700;
  border-left: 0.18vw solid #c41e1e;
  padding-left: 0.6vw;
  line-height: 1.4;
}

.intro-detail-inplace p {
  font-size: 0.78vw;
  color: #444;
  line-height: 1.8;
  text-align: justify;
  text-indent: 2em;
  margin-bottom: 0.6vw;
}

.intro-detail-inplace p.no-indent {
  text-indent: 0;
}

.intro-detail-inplace .highlight {
  color: #c41e1e;
  font-weight: 600;
}

.intro-detail-inplace .quote {
  font-size: 0.75vw;
  color: #666;
  font-style: italic;
  border-left: 0.15vw solid #ddd;
  padding-left: 0.6vw;
  margin-top: 1vw;
  padding-top: 0.5vw;
  line-height: 1.7;
}

.intro-detail-collapse-btn {
  position: sticky;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 0.06vw solid #ccc;
  border-radius: 2vw;
  padding: 0.5vw 1.5vw;
  font-size: 0.85vw;
  color: #333;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 -0.1vw 0.3vw rgba(0,0,0,0.08);
  transition: all 0.2s;
  white-space: nowrap;
  width: auto;
  min-height: 40px;
}

.intro-detail-collapse-btn:hover,
.intro-detail-collapse-btn:active {
  background: #f0f0f0;
}

/* ============================================================
   产品演示弹窗
   ============================================================ */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.modal-mask.show {
  display: flex;
}

.modal-content {
  position: relative;
  width: 80%;
  max-width: 80vw;
  background: #14141c;
  border-radius: 1vw;
  overflow: hidden;
  border: 0.1vw solid rgba(55, 138, 221, 0.4);
  box-shadow: 0 0 4vw rgba(55, 138, 221, 0.2);
}

.modal-video {
  width: 100%;
  height: 70vh;
  display: block;
  background: #000;
  object-fit: contain;
}

.modal-name {
  padding: 1vw 1.5vw;
  font-size: 1.3vw;
  font-weight: 500;
  color: #e6f1fb;
  text-align: center;
  background: rgba(55, 138, 221, 0.08);
}

.modal-close {
  position: absolute;
  top: 1vw;
  right: 1vw;
  width: 3vw;
  height: 3vw;
  min-width: 44px;
  min-height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 1.5vw;
  cursor: pointer;
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.modal-close svg {
  width: 1em;
  height: 1em;
  stroke: currentColor;
}

.modal-close:hover,
.modal-close:active {
  background: rgba(226, 75, 74, 0.8);
}

/* ============================================================
   左下角模式切换按钮
   ============================================================ */
.mode-toggle {
  position: fixed;
  bottom: 1vw;
  left: 1vw;
  background: linear-gradient(135deg, #1976D2, #1565C0);
  color: #fff;
  border: none;
  border-radius: 0.8vw;
  padding: 0.18vw 0.5vw;
  font-size: 0.33vw;
  cursor: pointer;
  font-weight: 500;
  box-shadow: 0 0.1vw 0.3vw rgba(25, 118, 210, 0.4);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 0.15vw;
  transition: all 0.2s;
  min-height: 20px;
}

.mode-toggle:hover {
  transform: translateY(-0.05vw);
  box-shadow: 0 0.15vw 0.4vw rgba(25, 118, 210, 0.5);
}

.mode-toggle:active {
  transform: translateY(0);
}

.mode-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mode-icon svg {
  width: 0.43vw;
  height: 0.43vw;
  fill: currentColor;
}

/* 全屏模式下按钮变色 */
body.fullscreen-mode .mode-toggle {
  background: linear-gradient(135deg, #c41e1e, #b71c1c);
  box-shadow: 0 0.1vw 0.3vw rgba(196, 30, 30, 0.4);
}

/* ============ 右下角浏览器全屏按钮 ============ */
.fs-screen-btn {
  position: fixed;
  bottom: 1vw;
  right: 1vw;
  background: linear-gradient(135deg, #1976D2, #1565C0);
  color: #fff;
  border: none;
  border-radius: 0.8vw;
  padding: 0.18vw 0.5vw;
  font-size: 0.33vw;
  cursor: pointer;
  font-weight: 500;
  box-shadow: 0 0.1vw 0.3vw rgba(25, 118, 210, 0.4);
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 20px;
  min-width: 20px;
  transition: all 0.2s;
}

.fs-screen-btn:hover {
  transform: translateY(-0.05vw);
  box-shadow: 0 0.15vw 0.4vw rgba(25, 118, 210, 0.5);
}

.fs-screen-icon {
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-screen-icon svg {
  width: 0.55vw;
  height: 0.55vw;
}

body.fullscreen-mode .fs-screen-btn {
  background: linear-gradient(135deg, #c41e1e, #b71c1c);
  box-shadow: 0 0.1vw 0.3vw rgba(196, 30, 30, 0.4);
}