/* ============================================
   Homepage Styles
   ============================================ */

/* --- Hero Banner / Swiper --- */
.zs-hero {
  position: relative;
  overflow: hidden;
  background: #000;
}

.zs-swiper-wrapper {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.zs-hero-slide {
  position: relative;
  min-width: 100%;
  overflow: hidden;
}

/* Banner链接覆盖整个slide */
.zs-hero-slide-link {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.zs-hero-slide img.zs-banner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-height: 400px;
}

.zs-hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.45) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.zs-hero-content {
  display: none;
}

.zs-hero-slide::before {
  display: none;
}

.zs-hero .zs-swiper-pagination {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.zs-hero .zs-swiper-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--zs-transition);
}

.zs-hero .zs-swiper-dot.active {
  background: var(--zs-color-white);
  width: 32px;
  border-radius: 6px;
}

/* --- Banner 左右切换按钮 --- */
.zs-swiper-prev,
.zs-swiper-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0,0,0,0.15);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--zs-transition);
  backdrop-filter: blur(2px);
}

.zs-swiper-prev { left: 24px; }
.zs-swiper-next { right: 24px; }

.zs-swiper-prev:hover,
.zs-swiper-next:hover {
  background: rgba(0,0,0,0.3);
}

/* --- Features Bar (banner下方三列特色) --- */
.zs-features-bar {
  background: var(--zs-color-white);
  border-top: 1px solid var(--zs-color-border);
  border-bottom: 1px solid var(--zs-color-border);
}

.zs-features-bar-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--zs-container-max);
  margin: 0 auto;
  border-left: 1px solid var(--zs-color-border);
  border-right: 1px solid var(--zs-color-border);
}

.zs-feature-item {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 240px;
  border-right: 1px solid var(--zs-color-border);
  color: var(--zs-color-text-dark);
  overflow: hidden;
  text-decoration: none;
}

.zs-feature-item:last-child {
  border-right: none;
}

/* 内部包裹层：默认下移20%，hover时回到0 */
.zs-feature-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 404px;
  padding: 0 20px;
  transform: translateY(20%);
  transition: transform 0.3s ease;
}

.zs-feature-item:hover .zs-feature-inner {
  transform: translateY(0);
}

.zs-feature-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.zs-feature-icon img,
.zs-feature-icon svg {
  width: 50px;
  height: 50px;
}

.zs-feature-item h4 {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 0;
}

.zs-feature-desc {
  font-size: 15px;
  color: #6c7380;
  line-height: 1.5;
  margin-top: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.zs-feature-item:hover .zs-feature-desc {
  opacity: 1;
  visibility: visible;
}

/* --- Latest Products Section --- */
.zs-products-section {
  background: linear-gradient(to bottom, #f6f8fc, #fff);
}

.zs-products-section .zs-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.zs-products-section .zs-section-title {
  margin-bottom: 0;
}

.zs-products-section .zs-section-subtitle {
  color: var(--zs-color-text-light);
  font-size: 16px;
}

.zs-link-contact {
  color: var(--zs-color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 左右切换按钮（胶囊形） */
.zs-products-nav {
  display: flex;
  align-items: center;
  border: 1px solid #eee;
  border-radius: 9999px;
  overflow: hidden;
  flex-shrink: 0;
}

.zs-products-prev,
.zs-products-next {
  width: 48px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  color: var(--zs-color-text);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  padding: 0;
}

.zs-products-prev:hover,
.zs-products-next:hover {
  background: var(--zs-color-primary);
  color: #fff;
}

.zs-products-nav-divider {
  width: 1px;
  height: 44px;
  background: #eee;
}

/* 产品滑动容器 */
.zs-products-slider {
  overflow: hidden;
  padding: 20px;
  margin: -20px;
}

.zs-products-track {
  display: flex;
  gap: 24px;
  transition: transform 0.4s ease;
}

.zs-product-card {
  background: var(--zs-color-white);
  border: 1px solid var(--zs-color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
  width: calc(25% - 18px);
  min-width: calc(25% - 18px);
  max-width: calc(25% - 18px);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.zs-product-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.zs-product-card:hover .zs-product-card-body h4 {
  color: var(--zs-color-primary);
  font-weight: 600;
}

.zs-product-card-img {
  position: relative;
  padding-top: 100%;
  overflow: hidden;
}

.zs-product-card-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.zs-product-card:hover .zs-product-card-img img {
  transform: scale(1.05);
}

/* 型号标签 — 图片左上角 */
.zs-product-model {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: var(--zs-color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  line-height: 1.4;
}

.zs-product-card-body {
  padding: 16px;
}

.zs-product-card-body h4 {
  font-size: 15px;
  font-weight: 400;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}

/* --- Our Company + OEM Service (滑动切换交互) --- */
.zs-about-oem {
  position: relative;
  width: 100%;
  height: 640px;
  overflow: hidden;
  contain: layout;
}

/* 两个面板都是1400px宽，绝对定位 */
.zs-ao-panel {
  position: absolute;
  top: 0;
  width: 1400px;
  max-width: 1400px;
  height: 100%;
  overflow: hidden;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.zs-ao-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 左面板：clip-path斜切右边 */
.zs-ao-left {
  left: 0;
  z-index: 2;
  transform: translateX(0);
}

.zs-ao-left .zs-ao-bg,
.zs-ao-left .zs-ao-overlay {
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
}

/* 右面板：clip-path斜切左边，默认推到右边 */
.zs-ao-right {
  right: 0;
  z-index: 1;
  transform: translateX(770px);
}

.zs-ao-right .zs-ao-bg,
.zs-ao-right .zs-ao-overlay {
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
}

.zs-ao-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.zs-ao-left .zs-ao-overlay {
  background: rgba(10,50,120,0.55);
}

.zs-ao-right .zs-ao-overlay {
  background: rgba(0,0,0,0.45);
}

/* hover右侧时：左面板滑走，右面板滑入 */
.zs-about-oem.hover-right .zs-ao-left {
  transform: translateX(-770px);
}

.zs-about-oem.hover-right .zs-ao-right {
  transform: translateX(0);
}

/* 内容区域 */
.zs-ao-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 1100px;
  padding: 80px 40px 80px 200px;
  opacity: 1;
  transition: opacity 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.zs-ao-right .zs-ao-content {
  padding-left: 220px;
}

/* 收起时的标题（容器层级，不受面板translateX影响） */
.zs-ao-title-left,
.zs-ao-title-right {
  position: absolute;
  z-index: 10;
  top: 80px;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.zs-ao-title-left {
  left: 60px;
  opacity: 0;
}

.zs-ao-title-right {
  right: 60px;
  opacity: 0;
}

/* 默认状态：左面板展开，右标题显示 */
.zs-about-oem .zs-ao-title-right {
  opacity: 1;
}

/* hover右侧时：右面板展开，左标题显示 */
.zs-about-oem.hover-right .zs-ao-title-left {
  opacity: 1;
}

.zs-about-oem.hover-right .zs-ao-title-right {
  opacity: 0;
}

.zs-ao-title-left h3,
.zs-ao-title-right h3 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  letter-spacing: 2px;
}

/* 展开/收起状态切换 */
.zs-ao-panel.active .zs-ao-content { opacity: 1; }
.zs-ao-panel:not(.active) .zs-ao-content { opacity: 0; pointer-events: none; }

.zs-ao-content h3 {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.zs-ao-content > p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  max-width: 830px;
}

/* 统计数据 */
.zs-ao-stats {
  display: flex;
  gap: 50px;
  margin-bottom: 50px;
  height: 94px;
}

.zs-ao-stat {
  border-left: 2px solid rgba(255,255,255,0.4);
  padding-left: 20px;
  white-space: nowrap;
}

.zs-ao-stat-label {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 10px;
}

.zs-ao-stat-num {
  font-size: 52px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  white-space: nowrap;
}

.zs-ao-stat-num i {
  font-style: normal;
  font-size: 28px;
  margin-left: 2px;
}

/* 按钮 */
.zs-ao-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 32px;
  height: 44px;
  background: #fff;
  color: var(--zs-color-primary);
  font-size: 14px;
  font-weight: 500;
  border-radius: 4px;
  transition: var(--zs-transition);
  width: fit-content;
}

.zs-ao-btn:hover {
  background: var(--zs-color-primary);
  color: #fff;
}

.zs-ao-btn img {
  width: 16px;
  height: 16px;
}

/* --- Factory Gallery Section --- */
.zs-gallery-section {
  background: #fff;
}

.zs-gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
}

.zs-gallery-item {
  position: relative;
  overflow: hidden;
  display: block;
}

.zs-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.zs-gallery-item:hover img {
  transform: scale(1.1);
}

.zs-gallery-hover {
  position: absolute;
  inset: 0;
  background: rgba(22,28,41,0.7);
  display: none;
  align-items: center;
  justify-content: center;
}

.zs-gallery-item:hover .zs-gallery-hover {
  display: flex;
}

.zs-gallery-hover img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

/* 中间CTA卡片（跨2行） */
.zs-gallery-cta {
  grid-row: 1 / 3;
  grid-column: 2 / 3;
  background: var(--zs-color-secondary);
  background-image: url('../img/case_cta_bg.webp');
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 40px;
}

.zs-gallery-cta h2 {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  max-width: 400px;
  margin-bottom: 24px;
}

.zs-gallery-cta > p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  max-width: 400px;
  line-height: 1.6;
  margin-bottom: 48px;
}

.zs-gallery-cta-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 280px;
}

.zs-gallery-btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  background: var(--zs-color-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
  transition: var(--zs-transition);
}

.zs-gallery-btn-primary:hover {
  background: #fff;
  color: var(--zs-color-primary);
}

.zs-gallery-btn-outline {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
  transition: var(--zs-transition);
}

.zs-gallery-btn-outline:hover {
  background: #fff;
  color: var(--zs-color-primary);
}

/* --- Hot Resources Section --- */
.zs-hotres-section {
  background: #fff;
  padding-top: 100px;
  padding-bottom: 60px;
}

.zs-hotres-section .zs-section-header {
  margin-bottom: 60px;
}

.zs-hotres-list {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 20px;
}

/* 横穿的连接线 — 延伸到.zs-wz容器宽度 */
.zs-hotres-list-wrap {
  position: relative;
}

.zs-hotres-line {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  height: 0;
  border-top: 1px solid #ddd;
  z-index: 0;
}

.zs-hotres-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  text-decoration: none;
}

.zs-hotres-icon {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid #ddd;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  transition: var(--zs-transition);
}

.zs-hotres-icon img {
  width: 48px;
  height: 48px;
}

.zs-hotres-item p {
  font-size: 15px;
  color: var(--zs-color-text-light);
  transition: var(--zs-transition);
}

.zs-hotres-item:hover p {
  color: var(--zs-color-primary);
}

/* --- FAQS Section --- */
.zs-faqs-section {
  background: #fff;
  padding-top: 40px;
  padding-bottom: 100px;
}

.zs-faqs-section .zs-section-header {
  margin-bottom: 40px;
}

/* scrollFadeZoomIn 动画 — 模拟GSAP ScrollTrigger scrub效果 */
.zs-scroll-fade-zoom {
  will-change: transform, opacity;
}

.zs-faqs-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.zs-faq-item {
  border: 1px solid #d3d8e3;
  background: #fff;
  cursor: pointer;
}

.zs-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 40px;
}

.zs-faq-question h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--zs-color-text-dark);
  max-width: 900px;
}

.zs-faq-q {
  color: var(--zs-color-primary);
  margin-right: 4px;
}

.zs-faq-arrow {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  display: flex;
}

.zs-faq-item.active .zs-faq-arrow {
  transform: rotate(180deg);
}

.zs-faq-answer {
  display: none;
  padding: 0 40px 22px;
}

.zs-faq-item.active .zs-faq-answer {
  display: block;
}

.zs-faq-answer p {
  font-size: 16px;
  color: var(--zs-color-text);
  line-height: 1.6;
}

/* FAQ 底部消息条 */
.zs-faq-cta {
  max-width: 1000px;
  height: 80px;
  margin: 32px auto 0;
  display: flex;
  align-items: center;
  border-radius: 9999px;
  box-shadow: 0 0 20px rgba(22,28,41,0.1);
}

.zs-faq-cta-avatar {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  margin-right: 40px;
}

.zs-faq-cta-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.zs-faq-cta-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--zs-color-text-dark);
}

.zs-faq-cta-link {
  color: var(--zs-color-primary);
  border-bottom: 1px solid var(--zs-color-primary);
  cursor: pointer;
  margin-left: 4px;
}

/* --- Product Categories Section --- */
.zs-categories-section {
  background-color: var(--zs-color-bg-light);
}

.zs-categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.zs-category-card {
  background: var(--zs-color-white);
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
  transition: var(--zs-transition);
}

.zs-category-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.zs-category-card img {
  width: 100%;
  max-width: 160px;
  margin: 0 auto 16px;
}

.zs-category-card h4 {
  font-size: var(--zs-font-size-sm);
  font-weight: 600;
}

/* --- News Section --- */
.zs-news-section {
  background-color: var(--zs-color-bg-light);
}

.zs-news-section .zs-section-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 60px;
}

.zs-news-section .zs-section-header-row .zs-section-title {
  margin-bottom: 0;
}

.zs-news-section .zs-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.zs-news-card {
  background: var(--zs-color-white);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--zs-color-border);
  transition: var(--zs-transition);
}

.zs-news-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.zs-news-card-img {
  position: relative;
  padding-top: 60%;
  overflow: hidden;
}

.zs-news-card-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.zs-news-card:hover .zs-news-card-img img {
  transform: scale(1.05);
}

.zs-news-card-body {
  padding: 20px;
}

.zs-news-card-date {
  font-size: var(--zs-font-size-xs);
  color: var(--zs-color-text-light);
  margin-bottom: 8px;
}

.zs-news-card-body h4 {
  font-size: var(--zs-font-size-base);
  font-weight: 600;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.zs-news-card-body p {
  font-size: var(--zs-font-size-sm);
  color: var(--zs-color-text-light);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- Partners Section --- */
.zs-partners-section {
  border-top: 1px solid var(--zs-color-border);
}

.zs-partners-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
}

.zs-partners-grid img {
  height: 48px;
  width: auto;
  opacity: 0.5;
  transition: var(--zs-transition);
  filter: grayscale(100%);
}

.zs-partners-grid img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* --- Homepage Responsive --- */
@media (max-width: 1279px) {
  .zs-hero-content h2 { font-size: var(--zs-font-size-4xl); }
  .zs-product-card { width: calc(33.333% - 16px); min-width: calc(33.333% - 16px); max-width: calc(33.333% - 16px); }
  .zs-categories-grid { grid-template-columns: repeat(3, 1fr); }
  .zs-ao-content { padding: 60px 30px 60px 120px !important; max-width: 100%; }
  .zs-ao-right .zs-ao-content { padding-left: 160px !important; }
  .zs-ao-stat-num { font-size: 44px; }
  .zs-ao-stat-num i { font-size: 24px; }
  .zs-ao-content h3 { font-size: 32px; }
  .zs-ao-content > p { max-width: 600px; }
}

@media (max-width: 1024px) {
  /* About/OEM: 堆叠布局 */
  .zs-about-oem { height: auto; display: flex; flex-direction: column; }
  .zs-ao-panel { position: relative; width: 100% !important; max-width: 100% !important; height: 500px; transform: none !important; }
  .zs-ao-panel .zs-ao-bg,
  .zs-ao-panel .zs-ao-overlay { clip-path: none !important; }
  .zs-ao-panel .zs-ao-content { opacity: 1 !important; pointer-events: auto !important; padding: 40px 30px !important; max-width: 100%; }
  .zs-ao-title-left, .zs-ao-title-right { display: none; }
  .zs-ao-stat-num { font-size: 36px; }
  .zs-ao-stat-num i { font-size: 20px; }
  .zs-ao-stats { gap: 24px; height: auto; flex-wrap: wrap; }
  .zs-ao-content h3 { font-size: 28px; }
  .zs-ao-content > p { font-size: 15px; max-width: 100%; }

  /* Features Bar: 2列 */
  .zs-features-bar-inner { grid-template-columns: repeat(2, 1fr); }
  .zs-feature-item:nth-child(3) { grid-column: span 2; }
  .zs-feature-item { height: 200px; }

  /* Gallery: 2列 */
  .zs-gallery-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .zs-gallery-cta { grid-row: auto; grid-column: span 2; padding: 40px 30px; }
  .zs-gallery-cta h2 { font-size: 28px; }

  /* Hot Resources */
  .zs-hotres-section { padding-top: 60px; padding-bottom: 40px; }
  .zs-hotres-icon { width: 100px; height: 100px; }
  .zs-hotres-icon img { width: 40px; height: 40px; }
  .zs-hotres-line { top: 50px; }

  /* FAQ */
  .zs-faq-question { padding: 18px 24px; }
  .zs-faq-answer { padding: 0 24px 18px; }
  .zs-faq-cta { height: auto; padding: 16px 24px; }
}

@media (max-width: 768px) {
  .zs-hero-slide img.zs-banner-img { min-height: 220px; }
  .zs-hero-content h2 { font-size: var(--zs-font-size-2xl); }
  .zs-hero-content { display: none; }
  .zs-hero-slide::before { display: none; }
  /* Mobile: show swiper buttons with transparent circle */
  .zs-swiper-prev,
  .zs-swiper-next {
    display: flex;
    width: 36px;
    height: 36px;
    background: rgba(0,0,0,0.15);
    border: none;
    backdrop-filter: blur(2px);
  }
  .zs-swiper-prev { left: 10px; }
  .zs-swiper-next { right: 10px; }
  .zs-swiper-prev:hover,
  .zs-swiper-next:hover {
    background: rgba(0,0,0,0.3);
    border: none;
  }
  .zs-swiper-prev svg,
  .zs-swiper-next svg { width: 18px; height: 18px; }
  .zs-product-card { width: calc(50% - 12px); min-width: calc(50% - 12px); max-width: calc(50% - 12px); }
  /* Mobile: products grid 2x2, show only 4 items */
  .zs-products-slider { overflow: hidden; padding: 0; margin: 0; }
  .zs-products-track {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    transform: none !important;
  }
  .zs-product-card { min-width: 0; width: auto; max-width: none; }
  .zs-products-section .zs-section-subtitle { display: none; }
  .zs-products-nav { display: flex; }
  .zs-news-section .zs-news-grid { grid-template-columns: 1fr; }
  /* Mobile: news cards show title only */
  .zs-news-card-img { display: none; }
  .zs-news-card-date { display: none; }
  .zs-news-card-body p { display: none; }
  .zs-news-card-body { padding: 14px 16px; }
  .zs-news-card-body h4 {
    margin-bottom: 0;
    -webkit-line-clamp: 1;
    line-clamp: 1;
  }
  .zs-categories-grid { grid-template-columns: repeat(2, 1fr); }

  /* Features Bar: 1列 */
  .zs-features-bar-inner { grid-template-columns: 1fr; }
  .zs-feature-item:nth-child(3) { grid-column: auto; }
  .zs-feature-item { height: 180px; border-right: none; border-bottom: 1px solid var(--zs-color-border); }
  .zs-feature-item:last-child { border-bottom: none; }
  .zs-feature-inner { transform: translateY(0); }
  .zs-feature-desc { opacity: 1; visibility: visible; }

  /* About/OEM */
  .zs-ao-panel { height: auto; min-height: 420px; }
  .zs-ao-stats { flex-direction: column; gap: 16px; height: auto; }
  .zs-ao-stat { border-left: none; border-bottom: 1px solid rgba(255,255,255,0.2); padding: 0 0 12px 0; }
  .zs-ao-stat:last-child { border-bottom: none; }
  .zs-ao-stat-num { font-size: 32px; }

  /* Gallery: 1列 */
  .zs-gallery-grid { grid-template-columns: 1fr; }
  .zs-gallery-cta { grid-column: auto; }
  .zs-gallery-item img { height: 200px; }

  /* Hot Resources: horizontal row, smaller icons */
  .zs-hotres-list { flex-direction: row; justify-content: space-around; gap: 12px; max-width: 100%; }
  .zs-hotres-line { display: none; }
  .zs-hotres-section { padding-top: 24px; padding-bottom: 16px; }
  .zs-hotres-section .zs-section-header { margin-bottom: 20px; }
  .zs-hotres-icon { width: 70px; height: 70px; }
  .zs-hotres-icon img { width: 32px; height: 32px; }
  .zs-hotres-item p { font-size: 13px; }

  /* FAQ */
  .zs-faq-question h3 { font-size: 14px; }
  .zs-faqs-section { padding-top: 16px; padding-bottom: 40px; }
  .zs-faqs-section .zs-section-header { margin-bottom: 16px; }
  .zs-faq-cta { flex-direction: column; text-align: center; border-radius: 16px; padding: 20px; height: auto; }
  .zs-faq-cta-avatar { margin-right: 0; margin-bottom: 12px; width: 60px; height: 60px; }

  /* News */
  .zs-news-section .zs-section-header-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
  }
  .zs-news-section .zs-section-header-row .zs-btn {
    font-size: 12px;
    padding: 6px 16px;
    height: auto;
  }
  /* News list: compact styled items */
  .zs-news-card {
    border-radius: 6px;
    border: none;
    border-bottom: 1px solid #eee;
    background: transparent;
  }
  .zs-news-card:last-child { border-bottom: none; }
  .zs-news-card-body h4 {
    font-size: 14px;
    font-weight: 500;
    position: relative;
    padding-left: 14px;
  }
  .zs-news-card-body h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--zs-color-primary);
  }

  /* Products header */
  .zs-products-section .zs-section-header { flex-wrap: wrap; gap: 12px; }
}

@media (max-width: 480px) {
  .zs-hero-content h2 { font-size: var(--zs-font-size-xl); max-width: 280px; }
  .zs-ao-content h3 { font-size: 24px; }
  .zs-ao-content > p { font-size: 14px; }
  .zs-gallery-cta h2 { font-size: 22px; }
  .zs-gallery-cta > p { font-size: 14px; }
  .zs-faq-question h3 { font-size: 13px; }
  .zs-section-title { font-size: var(--zs-font-size-2xl); }
}