/* ========== 移动端优化样式 (750px以下) ========== */
@media (max-width: 750px) {
  /* 首页原有的顶层“联系”和“咨询”区在移动端隐藏（不影响页脚中的同名模块） */
  body{
    background: #f9f9f9;
  }
  main#app > .contact-section,
  main#app > .consult {
    display: none !important;
  }
  body{
    padding-top:0!important ;
  }
  /* 禁用缩放系统，使用传统响应式布局 */
  .scale-container {
    width: 100vw !important;
    height: auto !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    transform: none !important;
    position: relative !important;
  }
  
  .scale-wrapper {
    width: 100% !important;
    transform: none !important;
    box-shadow: none !important;
    position: relative !important;
  }
  
  .aspect-ratio-container {
    width: 100% !important;
    height: auto !important;
    position: relative !important;
  }
  
  /* 重置缩放相关样式（移除全局 transform: none 以避免干扰 Swiper） */
  
  /* 确保页面内容正常显示 */
  main#app {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  /* 导航栏移动端优化 */
  header.top {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    transform: none !important;
    z-index: 9999 !important;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
  }
  
  /* .nav {
    height: 60px !important;
    padding: 0 20px !important;
    max-width: 100% !important;
  } */
  
  .brand img {
    height: 2.5rem !important;
  }
  .nav{
    height: 80px!important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100%;
    margin: 0;
    padding: 0 1.67rem;
    position: relative;
    z-index: 99999;
  }
  .menu {
    display: none !important;
  }
  
  /* .hamburger {
    display: block !important;
    width: 24px !important;
    height: 24px !important;
  } */
  
  /* 英雄区域移动端优化 */
  .hero-section {
    height: 100vh !important;
    margin-top: 60px !important;
    padding-top: 0 !important;
  }
  
  .hero-wrap,
  .hero-img {
    height: calc(100vh - 60px) !important;
    margin-top: 0 !important;
    padding-top: 0 !important;
  }
  
  .hero-video,
  .hero-placeholder {
    height: calc(100vh - 60px) !important;
    object-fit: cover !important;
    object-position: center center !important;
  }
  
  .hero-text {
    padding: 0 10px !important;
  }
  .hero-text-line1{
    letter-spacing: 5px;
  }
  .hero-text-line1 {
    font-size: 24px !important;
    line-height: 1.4 !important;
    margin-bottom: 16px !important;
  }
  
  .hero-text-line2 {
    font-size: 16px !important;
    line-height: 1.5 !important;
  }
  
  /* 移动端Hero视频优化 */
  .hero-video {
    opacity: 0 !important;
    transition: opacity 0.8s ease-in-out !important;
    z-index: 2 !important;
  }
  
  .hero-video.video-loading {
    opacity: 0 !important;
  }
  
  .hero-video.video-loaded {
    opacity: 1 !important;
  }
  
  .hero-placeholder {
    opacity: 1 !important;
    transition: opacity 0.8s ease-out !important;
    z-index: 1 !important;
  }
  
  .hero-placeholder.fade-out {
    opacity: 0 !important;
  }
  
  /* 标题区域移动端优化 */
  .section-center {
    /* padding: 40px 20px !important; */
  }
  
  .title {
    font-size: 28px !important;
    line-height: 1.3 !important;
    margin-bottom: 20px !important;
  }
  
  .section-center p {
    font-size: 16px !important;
    line-height: 1.6 !important;
    text-align: left !important;
    padding: 0;
  }
  .container{
    padding: 0;
  }
  .kpi b, .kpi .counter{
    font-size: 36px!important;
  }
  .band-white{
    background: #f9f9f9;

  }
  /* KPI区域移动端优化 */
  .kpi-wrap {
    padding: 40px 20px !important;
  }
  
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }
  
  .kpi {
    text-align: center !important;
    padding: 0 !important;
  }
  
  .kpi b {
    font-size: 32px !important;
    line-height: 1.2 !important;
    display: block !important;
    margin-bottom: 8px !important;
  }
  
  .kpi span {
    font-size: 14px !important;
    line-height: 1.3 !important;
  }
  
  /* 1. 业务领域移动端优化 - 单个图片左右轮播 */
  .bgContainer {
    padding:  0 !important;
  }
  .section-center .sub{
    padding-top:0 ;
    padding-bottom: 0;
  }
  .biz-grid {
    display: flex !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    gap: 0 !important;
    padding: 0 !important;
    scroll-snap-type: x mandatory !important;
    -webkit-overflow-scrolling: touch !important;
    border-radius: 10px;
  }
  
  .biz-card {
    flex: 0 0 calc(100vw - 32px) !important;
    width: calc(100vw - 32px) !important;
    height: 300px !important;
    scroll-snap-align: center !important;
    border-radius: 0 !important;
    overflow: hidden !important;
    position: relative !important;
    max-width: calc(100vw - 32px) !important;
    min-width: calc(100vw - 32px) !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: none !important;
    transition: none !important;
    will-change: auto !important;
    backface-visibility: hidden !important;
    -webkit-backface-visibility: hidden !important;
  }
  
  .biz-card .ph {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
    aspect-ratio: unset !important;
    max-width: 100% !important;
    max-height: 100% !important;
    min-width: 100% !important;
    min-height: 100% !important;
    display: block !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    outline: none !important;
    transform: none !important;
    transition: none !important;
    will-change: auto !important;
    backface-visibility: hidden !important;
    -webkit-backface-visibility: hidden !important;
  }
  
  .biz-info {
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: linear-gradient(transparent, rgba(0,0,0,0.8)) !important;
    padding: 20px !important;
    color: white !important;
    min-height: 140px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-end !important;
    box-sizing: border-box !important;
  }
  
  .biz-tag {
    font-size: 24px !important;
    font-weight: 700 !important;
    margin-bottom: 12px !important;
    color: white !important;
    padding: 0 !important;
    word-wrap: break-word !important;
    white-space: normal !important;
    transform: none !important;
    transition: none !important;
    position: static !important;
  }
  
  .biz-desc {
    font-size: 14px !important;
    line-height: 1.4 !important;
    color: rgba(255,255,255,0.95) !important;
    margin: 0 !important;
    opacity: 1 !important;
    transform: none !important;
    max-height: none !important;
    word-wrap: break-word !important;
    white-space: normal !important;
    display: block !important;
    visibility: visible !important;
    overflow: visible !important;
    filter: none !important;
    transition: none !important;
    flex: 1 !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
  }
  
  /* 彻底禁用所有hover效果和动画 */
  .biz-card:hover .biz-desc {
    opacity: 1 !important;
    transform: none !important;
    max-height: none !important;
    visibility: visible !important;
    filter: none !important;
    padding-left: 0 !important;
    color: rgba(255,255,255,0.95) !important;
    transition: none !important;
  }
  
  .biz-card:hover .biz-tag {
    transform: none !important;
    margin-bottom: 12px !important;
    padding-bottom: 0 !important;
    transition: none !important;
  }
  
  .biz-card:hover .ph {
    transform: none !important;
    scale: 1 !important;
    transition: none !important;
  }
  
  .biz-card:hover {
    box-shadow: none !important;
    transform: none !important;
    transition: none !important;
  }
  
  .biz-card:hover .biz-info {
    gap: 0 !important;
    transition: none !important;
  }
  
  .biz-card:hover::after {
    opacity: 0 !important;
    transition: none !important;
  }
  
  /* 强制图片不能滑动 */
  .biz-card .ph {
    pointer-events: none !important;
    user-select: none !important;
    -webkit-user-drag: none !important;
    -webkit-touch-callout: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
  }
  
  /* 2. 关于天用区域移动端优化 - 视频和文字上下显示，不遮挡标题，居中显示 */
  .about {
    padding: 40px 0px !important;
    margin-top: 30px !important; /* 增加顶部外边距，确保不遮挡标题 */
    position: relative !important;
    z-index: 1 !important;
  }
  
  .about-grid {
    flex-direction: column !important;
    gap: 30px !important;
    align-items: center !important; /* 确保内容水平居中 */
    justify-content: center !important;
    width: 100% !important;
    margin: 0 auto !important; /* 确保 about-grid 自身居中 */
    padding: 0 !important;
    min-height: 5rem;
  }
  .about-title{
    margin: 0 0 12px 0 !important;
    padding: 0 16px !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    margin-bottom: 40px!important;
  }
  .about-title .title {
    font-size: 28px !important;
    line-height: 1.3 !important;
  }
  .about-card {
    width: 100% !important; /* 铺满容器 */
    order: 2 !important; /* 文字部分放在下面 */
   padding: 30px 20px;
    text-align: center !important; /* 文字居中 */
    margin-bottom: 40px;
    display: none;
  }
  
  .about-text {
    font-size: 16px !important;
    line-height: 1.6 !important;
    color: #333 !important;
    margin: 0 !important;
    padding: 0 !important;
    text-align: center !important; /* 确保文字本身居中 */
  }
  
  .about-video {
    width: 100% !important;
    order: 1 !important; /* 视频部分放在上面 */
    margin: 0 !important;
    padding: 0 !important;
    position: inherit;
    right: 0;
    top: -0;
    border-radius: 12px !important;
    overflow: hidden !important;
  }
  .sol-subtitle-bar span{
    font-size: 1rem;
  }
  .video-container {
    width: 100% !important;
    height: 250px !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    margin: 0 auto !important; /* 确保视频容器居中 */
    padding: 0 !important;
  }
  /* 确保容器内的视频和海报同样有圆角并被裁剪 */
  .video-container video,
  .video-container .video-poster,
  #aboutVideo,
  #videoPoster {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    border-radius: 12px !important;
  }
  .band{
    padding:0 16px!important;
  }
  /* 确保标题区域不被遮挡 */
  .section-center {
    position: relative !important;
    z-index: 2 !important;
    margin-bottom: 20px !important;
    text-align: center !important; /* 标题居中 */
    padding-left:  0;
   
  }
  .sol-subtitle-bar{
 padding-top: 10px;
 padding: 0;
  }
  .title {
    position: relative !important;
    z-index: 3 !important;
    margin-bottom: 20px !important;
    font-size: 32px;
    text-align: center !important; /* 标题文字居中 */
  }
  .about-title  .title {
    position: relative !important;
    z-index: 3 !important;
    margin-bottom: 0px !important;
    font-size: 32px;
    text-align: center !important; /* 标题文字居中 */
  }
  .about-title{
    margin-bottom: 40px;
  }
  .about-title i{
    width: 0.38rem;
    height: 2.36rem;
    background: var(--fig-gold);
    border-radius: 0px!important;
    
  }
  /* 3. 地图区域移动端优化 - 隐藏 */
  .map-wrap {
    display: none !important;
  }
  .noneBottom .container{
    padding-top: 0;
    padding-bottom: 0;
  }
  .hero-placeholder{
    display: none!important;
  }
  /* 4. 解决方式区域移动端优化 - 图片文字放大 */
  .sol-options {
    flex-direction: row !important;
    gap: 20px !important;
    align-items: center !important;
  }
  
  .sol-option-img {
    width: 60px !important;
    height: auto !important;
  }
  /* .swiper-backface-hidden .swiper-slide{
    box-shadow: none;
  } */
  .sol-or-img {
    width: 40px !important;
    height: 40px !important;
    /* transform: rotate(90deg) !important; */
  }
  
  .sol-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
    padding: 0 0px !important;
  }
  .honor-counter{
    font-size: 48px;
  }
  .sol-card {
    width: 100% !important;
    height: 250px !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    position: relative !important;
  }
  
  .sol-card .ph {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }
  
  .sol-overlay {
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: linear-gradient(transparent, rgba(0,0,0,0.8)) !important;
    padding: 30px 20px 20px !important;
    color: white !important;
  }
  
  .sol-overlay h3 {
    font-size: 20px !important;
    font-weight: 700 !important;
    margin-bottom: 12px !important;
    color: white !important;
  }
  
  .sol-overlay ul {
    margin: 0 !important;
    padding: 0 !important;
  }
  
  .sol-overlay li {
    font-size: 14px !important;
    line-height: 1.5 !important;
    margin-bottom: 8px !important;
    color: rgba(255,255,255,0.9) !important;
  }
  
  /* 5. 荣誉区域移动端优化 - 单个图片左右轮播，支持自动滚动 */
  .band-y-bg {
    padding: 40px 0 !important;
    background: var(--bg) url(/Template/cnn/assets/honor/bg.png) no-repeat center center !important;
    background-size: cover !important;
    min-height: 400px !important;
    position: relative !important;
  }
  
  .bg-container {
    position: relative !important;
  }
  
  .honor-area {
    padding: 0 !important;
    position: relative !important;
    z-index: 1 !important;
  }
  
  .honor-title {
    font-size: 24px !important;
    margin-bottom: 0px !important;
    padding: 0 20px !important;
    text-align: center !important;
  }
  
  .honor-sub {
    font-size: 18px !important;
    margin-bottom: 10px !important;
    padding: 0 20px !important;
    text-align: center !important;
  }
  
  .honor-container {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    position: relative !important;
    z-index: 2 !important;
    height: auto !important;
    min-height: 400px !important;
    margin: 0 auto !important;
    box-sizing: border-box !important;
  }
  
  .honor-grid {
    display: flex !important;
    overflow-x: auto !important;
    gap: 0 !important;
    scroll-snap-type: none !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important; /* Firefox */
    -ms-overflow-style: none !important; /* IE and Edge */
    scroll-behavior: auto !important;
    /* 强制关闭桌面端的动画/位移 */
    transform: none !important;
    transition: none !important;
    justify-content: flex-start !important;
    align-items: center !important;
  }
  
  .honor-grid::-webkit-scrollbar {
    display: none !important; /* Chrome, Safari, Opera */
  }
  
  .honor {
    flex: 0 0 100vw !important;
    width: 100vw !important;
    min-width: 100vw !important;
    scroll-snap-align: none !important;
    position: relative !important;
    /* 清除桌面端为单个卡片设置的动画样式 */
    transform: none !important;
    transition: none !important;
    opacity: 1 !important;
    text-align: center !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 20px !important;
    box-sizing: border-box !important;
  }

  /* honor 子元素统一清除动画/透明度，避免被桌面端逻辑覆盖 */
  .honor *,
  .honor .image-container *,
  .honor .ph,
  .honor .honor-overlay {
    transform: none !important;
    transition: none !important;
    opacity: 1 !important;
    width: initial;
  }
  .honor .ph-reflection { display: none !important; }
  .honor.show::before{ content:''; }
  .honor-overlay {
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: linear-gradient(transparent, rgba(0,0,0,0.5)) !important;
    padding: 30px 0 20px 0 !important;
    color: white !important;
    transform: translateY(0) !important;
    opacity: 1 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  
  .honor-info {
    width: 100% !important;
    padding: 0 20px !important;
    box-sizing: border-box !important;
    text-align: center !important;
    /* 确保文字内容不超出图片边界 */
    max-width: 100% !important;
    overflow: hidden !important;
  }
  .honor.show{
    padding: 0;
  }

  /* 锦旗图片：保持完整显示，不被裁剪 */
  .honor .image-container {
    height: auto !important;
    overflow: visible !important;
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: auto !important;
    max-width: 17rem !important;
    margin: 0 auto !important; /* 居中容器，使overlay与图片对齐 */
  }
  .honor .image-container .ph {
    width: 100% !important; /* 占满容器宽度 */
    height: 350px !important;
    max-width: 100% !important;
    object-fit: contain !important;
    display: block !important;
  }
  
  .case-type {
    font-size: 16px !important;
    color: white !important;
    margin-bottom: 8px !important;
    font-weight: 600 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    /* 确保文字不超出边界 */
    max-width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
  }
  
  .case-highlight {
    font-size: 14px !important;
    color: rgba(255,255,255,0.9) !important;
    line-height: 1.4 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    /* 确保文字不超出边界 */
    max-width: 100% !important;
    overflow: hidden !important;
    word-wrap: break-word !important;
  }
  
  /* 隐藏讲座区域 */
  .lecture {
    /* display: none !important; */
    background: transparent;
  }
  
  /* 锦旗轮播指示器样式 */
  .carousel-indicators {
    display: flex !important;
    justify-content: center !important;
    gap: 8px !important;
    margin-top: 15px !important;
    padding: 0 20px !important;
  }
  
  .indicator-dot {
    width: 8px !important;
    height: 8px !important;
    border-radius: 50% !important;
    background-color: rgba(255, 255, 255, 0.5) !important;
    cursor: pointer !important;
    transition: background-color 0.3s ease !important;
  }
  
  .indicator-dot.active {
    background-color: rgba(255, 255, 255, 1) !important;
  }
  
  /* 6. 讲座区域移动端优化 - 已隐藏，注释掉原有样式 */
  .lecture {
    display: block !important;
    padding: 20px 16px !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  } */
  /* 讲座相关样式已注释，因为讲座区域已隐藏 */
   .lecture-title {
    position: static !important;
    top: auto !important;
    left: 0 !important;
    padding: 30px 0 40px 0;
    margin: 0;
    background: transparent!important;
  }
  .lecture-title i{
    width: 0.38rem;
    height: 2.36rem;
    background: #E3C78D;
    padding-top: 1rem;
    margin-top: -10px;
  }
  .about-title{

  }
  .lecture .title { font-size: 24px !important; margin-bottom: 12px !important; text-align: left !important; }
  .lecture .title { position: static !important; z-index: auto !important; display: inline-block !important; }
  .lecture h2 { font-size: 20px !important; }
  .lecture h3 { font-size: 18px !important; }
  .lecture p { font-size: 14px !important; line-height: 1.5 !important; } 
  /* 继续注释讲座相关样式 */
   .lecture li { font-size: 14px !important; }
  .lecture-panel{
    margin-left: 0;
    padding: 0;
    /* padding-bottom: 65px; */
    padding-top: 85px;
    flex-direction:initial;
  }
  .lecture-left{
    padding: 0;
  }
  .lecture-bg .container{
    padding: 0;
  }
  .lecture-list{
    padding-top: 0;
  }
  .lecture-list-item .highlight{
    font-size: 30px;
  }
  .lecture-list-item .highlight+span{
    font-size: 30px; 
  }
   .lecture-right{
    padding-bottom: 0;
    padding-right: 0;
  }
  .lecture-list-item:has(.lecture-counter){
    max-width: 22rem;
  }
  .lecture-list-item.show{
    max-width: 22rem;
  }
  /* 7. 案例区域移动端优化 - 一行，每行放1个轮播 */
  .cases-container {
    padding: 0 !important;
    min-height: 400px;
    
  }
  .register-btn{
    display: none;
  }
  .lecture-left{
    display: none;
  }
  /* 横向单行滚动容器 */
  .cases-swiper,
  .cases-container .swiper-wrapper {
    display: flex !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    gap: 16px !important;
    padding: 0 20px !important;
    scroll-snap-type: x mandatory !important;
    -webkit-overflow-scrolling: touch !important;
    transform: none !important;
    width: 100% !important;
  }
  
  /* 每张卡片 100% 宽度，单屏一卡片（仅限案例区，避免影响书籍/讲座 Swiper） */
  .cases-container .swiper-slide {
    flex: 0 0 100% !important;
    width: 100% !important;
    min-width: 100% !important;
    scroll-snap-align: start !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15) !important;
  }
  
  .case-column {
    width: 100% !important;
  }
  
  .case-card {
    width: 100% !important;
    border-radius: 16px !important;
    overflow: hidden !important;
    box-shadow: none !important;
    position: relative !important;
    
    /* background: #fff !important; */
  }
  
  .case-image {
    width: 100% !important;
    height: 260px !important;
    display: flex !important; /* 保持左右两张图并排 */
    gap: 8px !important;
    padding: 8px !important;
    box-sizing: border-box !important;
    border-radius: 16px 16px 0 0 !important;
    background: linear-gradient(to bottom, #E3C78D, #fff) !important;
    overflow: hidden !important;
  }
  .case-image-left,
  .case-image-right {
    flex: 1 1 50% !important;
    width: 50% !important;
    height: 100% !important;
    overflow: hidden !important;
    border-radius: 8px !important;
  }
  .case-image-left img,
  .case-image-right img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
  }

  /* 新的移动端合并容器，单行滚动 */
  .cases-mobile-viewport {
    width: 100% !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    scroll-snap-type: x mandatory !important;
    -webkit-overflow-scrolling: touch !important;
    filter: drop-shadow(0px 2px 5px rgba(0,0,0,0.15));
  }

  .cases-mobile-strip {
    display: flex !important;
    gap: 0 !important;
  }
  .cases-mobile-strip .case-card {
    /* flex: 0 0 100% !important; */
    width: 100% !important;
    min-width: 100% !important;
    /* scroll-snap-align: start !important; */
  }
  
  .case-image-left,
  .case-image-right {
    flex: 1 !important;
    height: 100% !important;
  }
  
  .case-image img {
    width: initial !important;
    height: 100% !important;
    /* object-fit: contain !important; */
    max-height: 220px;
  }
  .cases-container{
    margin-bottom: 0;
  }
  .case-image-left img{
    height: 90%!important;
  }
  .case-content {
    position: static !important;
    background: #ffffff !important;
    padding: 12px !important;
    color: #333333 !important;
    border-radius: 0 0 16px 16px !important;
    box-shadow: none !important;
    margin: 0 !important;
    height: 85px;
    overflow: hidden !important;
  }
  .books-title i{
    margin-top: 3.8rem;
    width: 0.38rem;
    height: 2.2rem;
    background: #E3C78D;
  }
  .case-content p {
    font-size: 16px !important;
    line-height: 1.5 !important;
    margin: 0 !important;
    color: #666666 !important;
    font-weight: 500 !important;
  }
  .team-title{
    padding-top: 20px;
  }
  /* 8. 著作区域移动端优化 - 参照截图样式排列 */
  .books {
    padding: 40px 0px !important;
  }
  
  .books-title {
    margin-bottom: 30px !important;
    text-align: center !important;
  }
  
  .books-panel {
    width: 100% !important;
  }
  
  .books-content {
    flex-direction: column !important;
    gap: 0px !important;
    margin-top: 1rem;
  }
  
  /* 特色书籍轮播区域 */
  .books-carousel {
    width: 100% !important;
    margin-bottom: 30px !important;
    padding-top: 10px;
  }
  
  .books-subtitle {
    font-size: 16px !important;
    line-height: 1.5 !important;
    text-align: center !important;
    margin-bottom: 20px !important;
    color: #666 !important;
  }
  
  .book-slide {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 20px !important;
  }
  
  .book-image {
    width: 200px !important;
    height: 280px !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important; */
  }
  
  .book-image img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }
  
  .book-content {
    width: 100% !important;
    text-align: center !important;
    padding: 0 16px;
  }
  
  .book-title {
    font-size: 18px !important;
    line-height: 1.3 !important;
    margin-bottom: 12px !important;
    color: #333 !important;
    font-weight: 600 !important;
    padding: 10px 0;
  }
  .books-pagination{
    margin-top: 0;
  }
  .book-description {
    font-size: 14px !important;
    line-height: 1.5 !important;
    color: #666 !important;
  }
  
  /* 书籍网格区域 - 2列布局 */
  .books-grid {
    width: 100% !important;
    gap: 0;
  }
  
  .books-grid-row {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
    margin-bottom: 16px !important;
    margin: 0 auto;
  }
  
  .book-item {
    max-width: 220px!important;
    text-align: center !important;
    /* background: white !important; */
    border-radius: 8px !important;
    padding: 12px !important;
    width: 186px;
    /* box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important; */
  }
  .play-btn{
    width: 3.67rem;
    height: 3.67rem;    
  }
  .book-item img {
    /* width: 100% !important; */
    max-height: 180px !important;
    object-fit: cover !important;
    border-radius: 6px !important;
    margin-bottom: 8px !important;
  }
  .book-description{
    max-height: 5rem;
    min-height: 3rem;
  }
  .book-name {
    font-size: 12px !important;
    line-height: 1.3 !important;
    color: #333 !important;
    font-weight: 500 !important;
  }
  .books-bg{
    height: auto;
    background-size: cover !important;
  }
  
  
  .consult-btn {
   min-width: 68px !important;
    /* height: 50px !important;
    font-size: 18px !important;
    border-radius: 8px !important;
    margin-top: 10px !important; */
  }
  
  /* 页脚移动端优化 */
  footer {
    /* padding: 40px 0 20px 0 !important; */
  }
  
  /* .footer-container {
    flex-direction: column !important;
    gap: 30px !important;
    padding: 0 20px !important;
    align-items: center !important;
    text-align: center !important;
  } */
  
  .footer-left {
    padding-top: 0 !important;
    margin: 0 !important;
    align-items: center !important;
    margin-left: 0;
    position: inherit;
    padding-left: 0rem;
  }
  
  .footer-logo {
   width: 150px;
    height: 150px;
    margin-right: 6vw;
    object-fit: contain;
    margin-bottom: 0;
  }
  
  .footer-middle {
    margin: 0 !important;
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 20px !important;
    width: 100% !important;
    flex-direction: row;
  }
  
  /* .footer-middle dl {
    text-align: center !important;
  }
  
  .footer-middle dt {
    font-size: 10px !important;
    margin-bottom: 0px !important;
  }
  
  .footer-middle dd {
    font-size: 10px !important;
    margin-bottom: 8px !important;
  } */
   .zixun-button{
		position: absolute;
		right: 1rem!important;
		top: 0px!important;
        width: 70px !important;
        height: 35px !important;
        font-size: 12px !important;
	}
  
  .footer-right {
    margin: 0 !important;
    display: flex !important;
    gap: 30px !important;
    justify-content: center !important;
  }
  .footer-vertical-divider {
    width: 1px;
    height: 150px;
    background: #e0e0e0;
    z-index: 1111111;
    position: relative;
    min-width: 1px;
    padding-left: 1px;
    margin: 0;
    right: 0!important;
    top: 0!important;
    bottom: 0!important;
    width: 1px;
    background-color: #b3b3b3;

 }
  /* .footer-container {
    padding: 0!important;
  } */
  .number{
    padding-left: 0;
  }
  .qrcode {
    width: 80px !important;
    height: 80px !important;
  }
  
  .footer-right p {
    font-size: 12px !important;
    margin-top: 8px !important;
  }
  
  .copyright {
    padding: 20px !important;
    text-align: center !important;
  }
  
  .copyright p {
    font-size: 12px !important;
    line-height: 1.5 !important;
    margin-bottom: 8px !important;
  }


}


/* 下面的规则统一再次包裹，确保仅在 <=750px 生效 */

/* 手机设备适配 (480px以下) */
@media (max-width: 480px) {
  
.books-bg{
    height: auto;
}
 .books-bg .container {
   /* padding-right: 3rem; */
   /* padding-top: 3rem; */
 }

.map-wrap {
  padding-top: 30px;
}

 /* 首页子菜单最小覆盖，避免影响其他页面 */
 header.top .menu {
   position: relative;
 }

 header.top .menu .menu-item {
   position: relative;
 }

 header.top .menu .menu-item>a {
   display: inline-block;
   padding: 12px 10px;
 }

 header.top .menu .submenu {
   display: none;
   position: absolute;
   top: 100%;
   left: 0;
   background: #fff;
   border: 1px solid #eee;
   border-top: none;
   border-radius: 0 0 8px 8px;
   box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
   min-width: 120px;
   padding: 6px 0;
   margin: 0;
   z-index: 1000;
   overflow: hidden;
 }

 header.top .menu .submenu li {
   list-style: none;
 }

 header.top .menu .submenu a {
   display: block;
   padding: 8px 14px;
   color: #121212;
   white-space: nowrap;
 }

 header.top .menu .submenu a:hover {
   background: #f5f5f5;
   color: #cc9522;
 }

 header.top .menu .menu-item:hover>.submenu {
   display: block;
 }

 header.top .menu .menu-item.has-sub>a::after {
   content: "";
   display: inline-block;
   width: 6px;
   height: 6px;
   border-right: 2px solid #999;
   border-bottom: 2px solid #999;
   transform: rotate(45deg);
   margin-left: 8px;
   transition: transform 0.2s ease, border-color 0.2s ease;
   vertical-align: middle;
 }

 header.top .menu .menu-item>a:hover::after,
 header.top .menu .menu-item>a:focus-visible::after,
 header.top .menu .menu-item>a.active::after,
 header.top .menu .menu-item.open>a::after {
   border-right-color: #cc9522;
   border-bottom-color: #cc9522;
 }
.lecture-title{
    background: transparent!important;
}
}

/*
 footer {
   background-color: #fff;
   border-top: 1px solid #eee;
 }

 .footer-container {
   margin: 0;
   display: flex;
   justify-content: flex-start;
   align-items: flex-start;
   padding: 0 95px;
   position: relative;
   width: 100%;
   box-sizing: border-box;
   gap: 0;
 }
   

 /* 各部分间距控制 */

 /* 移动端：与首页现有汉堡联动，不改现有JS，仅样式兜底 */
 @media (max-width: 1024px) {
   header.top .menu {
     position: absolute;
     right: 1rem;
     top: 80px;
     background: #fff;
     border: 1px solid #eee;
     border-radius: 1rem;
     box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
     display: none;
     flex-direction: column;
     padding: 0.83rem;
     width: 18.33rem;
   }

   header.top .nav.open .menu {
     display: flex;
   }

   header.top .menu .menu-item {
     width: 100%;
   }

   header.top .menu .menu-item>a {
     padding: 14px 16px;
     width: 100%;
     border-bottom: 1px solid #eee;
   }

   header.top .menu .submenu {
     position: static;
     display: block;
     border: none;
     border-radius: 0;
     box-shadow: none;
     padding: 6px 0;
     background: #fafafa;
     max-height: 0;
     overflow: hidden;
     opacity: 0;
     transform: translateY(-2px);
     transition: max-height 0.25s ease, opacity 0.2s ease, transform 0.2s ease;
   }

   header.top .menu .menu-item.open>.submenu {
     max-height: 600px;
     opacity: 1;
     transform: translateY(0);
   }

   header.top .menu .submenu a {
     padding: 10px 20px;
   }
 }

 /* 子菜单贴合导航底部，避免覆盖导航底边 */
 header.top .menu .submenu {
   top: calc(100% + 1px);
   border-top: none;
   box-shadow: none;
 }

 /* 无子菜单（无 li）时不显示箭头，覆盖通用 has-sub 规则 */
 header.top .menu .menu-item.has-sub:not(:has(> .submenu li))>a::after {
   content: none;
   border: 0;
   width: 0;
   height: 0;
   margin: 0;
 }

/* ========== 移动端关于天用视频音量控制 ========== */
.volume-control {
  position: absolute;
  top: 15px;
  right: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.8);
  padding: 6px 10px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  z-index: 10;
}

.volume-btn {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 3px;
  border-radius: 50%;
  transition: background-color 0.2s ease;
  touch-action: manipulation;
}

.volume-btn:hover,
.volume-btn:active {
  background: rgba(255, 255, 255, 0.1);
}

.volume-slider {
  width: 60px;
  height: 3px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  touch-action: manipulation;
}

.volume-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  background: #E3C78D;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  touch-action: manipulation;
}

.volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: #E3C78D;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  touch-action: manipulation;
}