:root {
            --primary-blue: #0066cc;
            --primary-dark: #1a1a1a;
            --primary-light: #f8f9fa;
            --accent-purple: #722ed1;
            --accent-green: #52c41a;
            --accent-orange: #fa8c16;
            --accent-gold: #ffd700;
            --accent-silver: #c0c0c0;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: var(--primary-dark);
            background-color: #FFF;
            overflow-x: hidden;
        }
        
        section {
            padding: 80px 20px;
            position: relative;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary-dark);
            text-align: center;
        }
        
        h3 {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--primary-dark);
        }
        
        /* 动画类 */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .slide-in-left {
            opacity: 0;
            transform: translateX(-50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .slide-in-left.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .slide-in-right {
            opacity: 0;
            transform: translateX(50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .slide-in-right.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .scale-in {
            opacity: 0;
            transform: scale(0.9);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .scale-in.visible {
            opacity: 1;
            transform: scale(1);
        }
        
        /* 组件1：主页首图 */
        .hero-section {
            width: 100%;
            height: 100vh;
            background: url('/assets/assets-ces/2026/image/background.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            color: white;
            position: relative;
        }
        
        .hero-content {
            padding-left: 5%;
            max-width: 1280px;
        }
        
        .hero-subtitle {
            font-weight: 500;
            font-size: 4.5rem;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.9);
        }
        
        .hero-title {
            font-size: 2.5rem;
            font-weight: 300;
            margin-bottom: 10px;
            color: white;
            line-height: 1.1;
        }
        
        .hero-date {
            font-size: 1.8rem;
            color: rgba(255, 255, 255, 0.9);
            margin-top: 20px;
        }
        
        /* 组件2：参展商LOGO */
        .exhibitors-section {
            padding: 60px 20px;
            background-color: var(--primary-light);
        }
        
        .exhibitors-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 50px;
            color: var(--primary-dark);
        }
        
        .exhibitors-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .exhibitor-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: white;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            cursor: pointer;
            height: 150px;
            overflow: hidden;
            
        }
        
        .exhibitor-logo:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .exhibitor-logo img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            padding: 20px;
        }
        
/* ========== 组件3：开幕致辞轮播（重构版） ========== */

.speeches-section {
  padding:80px 20px;
}

.carousel-container {
  max-width:1920px;
  margin:0 auto;
  overflow:hidden;
  border-radius:16px;
  box-shadow:0 15px 40px rgba(0,0,0,.12);
}

.carousel-track {
  display:flex;
  transition:transform .6s ease;
}

.carousel-slide {
  flex:0 0 100%;
  display:flex;
  background:#fff;
}

/* 图片 16:9 */
.carousel-image {
  flex:0 0 50%;
  aspect-ratio:16 / 9;
  background-size:cover;
  background-position:center;
}

.carousel-content {
  flex:0 0 50%;
  padding:48px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.carousel-name {
  font-size:2rem;
  font-weight:700;
  color:var(--blue);
}

.carousel-title {
  margin:10px 0 20px;
  color:#666;
}

.carousel-text {
  font-size:1.1rem;
  line-height:1.7;
}


/* 竖屏 */
@media (orientation:portrait) {
  .carousel-slide {
    flex-direction:column;
  }
  .carousel-image,
  .carousel-content {
    width:100%;
    flex:none;
  }

}

        
        /* 组件4：重磅亮点 */
        .highlights-section {
            padding: 80px 20px;
            background-color: var(--primary-light);
        }
        
        .logos-container {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 80px;
            margin-top: 30px;
            flex-wrap: nowrap; /* 强制并排 */
        }
        
        .highlight-logo {
            width: 700px;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            padding: 30px;
            transition: transform 0.3s ease;
            overflow: hidden;
        }
        
        .highlight-logo:hover {
            transform: scale(1.05);
        }
        
        .highlight-logo img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        /* 组件5：未来视听峰会 - 已修复横屏居中问题 */
        .summit-section {
            padding: 80px 20px;
            background-color: white;
            overflow: hidden;
        }
        
        .speakers-container {
            display: flex;
            gap: 40px;
            margin-top: 50px;
            padding-bottom: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            scrollbar-width: none; /* Firefox */
            justify-content: center; /* 横屏时居中 */
            flex-wrap: nowrap; /* 防止头像换行 */
        }
        
        .speakers-container::-webkit-scrollbar {
            display: none; /* Chrome, Safari, Opera */
        }
        
        .speaker-card {
            text-align: center;
            width: 160px;
            flex: 0 0 auto;
            scroll-snap-align: start;
        }
        
        .speaker-avatar {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            margin: 0 auto 15px;
            background-color: #ee822f;
            background-size: cover;
            background-position: center;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        
        .speaker-name {
            font-weight: 600;
            margin-bottom: 5px;
            font-size: 1.1rem;
        }
        
        .speaker-title {
            font-size: 0.9rem;
            color: #666;
        }
        
        .forum-description {
            max-width: 800px;
            margin: 50px auto 0;
            text-align: center;
            font-size: 1.2rem;
            line-height: 1.8;
            color: #444;
            padding: 0 20px;
        }
        
        /* 组件6：主旨演讲 */
        .keynote-section {
            padding: 80px 20px;
            background-color: var(--primary-light);
        }
        
        .keynote-item {
            display: flex;
            align-items: center;
            margin-bottom: 80px;
        }
        
        .keynote-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        
        .keynote-image {
            flex: 0 0 45%;
            aspect-ratio: 16/9;
            border-radius: 12px;
            background-size: cover;
            background-position: center;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        
        .keynote-content {
            flex: 0 0 55%;
            padding: 0 50px;
        }
        
        .keynote-name {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 10px;
        }
        
        .keynote-role {
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 25px;
            font-weight: 500;
        }
        
        .keynote-text {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #444;
        }
        
        /* 组件7：颁奖盛典 */
        .awards-section {
            padding: 80px 20px;
            background-color: white;
        }
        
        .awards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            max-width: 1200px;
            margin: 50px auto 0;
        }
        
        .award-card {
            border-radius: 16px;
            padding: 40px 25px;
            color: white;
            text-align: center;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .award-card:hover {
            transform: translateY(-10px);
        }
        
        .award-card.blue {
            background: linear-gradient(135deg, #0066cc, #3399ff);
        }
        
        .award-card.purple {
            background: linear-gradient(135deg, #722ed1, #9966ff);
        }
        
        .award-card.silver {
            background: linear-gradient(135deg, #a0a0a0, #d0d0d0);
            color: #333;
        }
        
        .award-card.gold {
            background: linear-gradient(135deg, #ffcc00, #ffdd55);
            color: #333;
        }
        
        .award-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            min-height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .award-subtitle {
            font-size: 0.9rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .award-winners {
            display: flex;
            flex-direction: column;
            gap: 20px;
            align-items: center;
            width: 100%;
        }
        
        .award-winner-logo {
            background-color: rgba(255, 255, 255, 0.9);
            border-radius: 10px;
            padding: 15px;
            width: 80%;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        
        .award-winner-logo img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        /* 组件8：未来视听展区 */
        .exhibition-section {
            padding: 80px 20px;
            background-color: var(--primary-light);
        }
        
/* --- 1. 基础布局 (电脑端左右结构) --- */
.exhibition-container {
    display: flex;
    justify-content: space-between;
    align-items: center; /* 垂直居中 */
    gap: 40px; /* 图片和文字的间距 */
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

/* 轮播容器 */
.exhibition-carousel-wrapper {
    flex: 1; /* 占据一半空间 */
    width: 100%; 
    min-width: 0; /* 防止 Flex 子元素溢出 */
    border-radius: 12px;
    overflow: hidden;
    /* 给一个基础高度，防止加载时塌陷 */
    aspect-ratio: 16/9; 
}

/* Swiper 样式 */
.myCleanSwiper {
    width: 100%;
    height: 100%;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover; /* 铺满不变形 */
}
        
        .exhibition-image {
            flex: 0 0 50%;
            max-height: 400px;
            aspect-ratio: 4/3;
            border-radius: 16px;
            background-size: cover;
            background-position: center;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }
        
        .exhibition-content {
            flex: 0 0 50%;
            padding: 0 60px;
        }
        
        .exhibition-text {
            font-size: 1.2rem;
            line-height: 1.8;
            color: #444;
        }
        
        /* 组件9：全球聚力 */
        .global-section {
            padding: 80px 20px;
            background-color: white;
        }
        
        .global-container {
            display: flex;
            align-items: center;
            max-width: 1600px;
            margin: 0 auto;
        }
        
        .global-image {
            flex: 0 0 50%;
            max-height: 400px;
            aspect-ratio: 4/3;
            border-radius: 16px;
            background-size: cover;
            background-position: center;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }
        
        .global-content {
            flex: 0 0 50%;
            padding: 0 60px;
        }
        
        .global-text {
            font-size: 1.2rem;
            line-height: 1.8;
            color: #444;
        }
        
        /* 组件10：生态共荣 */
        .ecosystem-section {
            padding: 80px 20px;
            background-color: var(--primary-light);
        }
        
        .events-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            max-width: 1600px;
            margin: 50px auto 0;
        }
        
        .event-card {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            position: relative;
            transition: transform 0.3s ease;
            aspect-ratio: 3/4;
        }
        
        .event-card:hover {
            transform: translateY(-10px);
        }
        
        .event-image {
            height: 100%;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .event-label {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 15px;
            font-weight: 600;
            font-size: 1.1rem;
        }
        
        /* 组件11：标准制定 */
        .standards-section {
            padding: 20px 20px;
            background-color: white;
        }
        
        .standards-container {
            max-width: 1500px;
            margin: 0 auto;
            text-align: center;
        }
        
        .standards-image {
            aspect-ratio: 5/1;
            border-radius: 16px;
            background-size: cover;
            background-position: center;
            margin-bottom: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }

        .standards-image2 {
            aspect-ratio: 3/1;
            border-radius: 16px;
            background-size: cover;
            background-position: center;
            margin-bottom: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }

        .standards-text {
            font-size: 1.3rem;
            line-height: 1.9;
            color: #444;
        }
        
        /* 组件12：结尾 */
        .conclusion-section {
            padding: 100px 20px;
            background: linear-gradient(135deg, var(--primary-blue), #004080);
            color: white;
            text-align: center;
        }
        
        .conclusion-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 30px;
            color: white;
        }
        
        .conclusion-text {
            font-size: 1.5rem;
            max-width: 900px;
            margin: 0 auto;
            line-height: 1.8;
            opacity: 0.9;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 3.5rem;
            }
            
            /* 组件2：竖屏时3行2列 */
            .exhibitors-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .awards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            
            /* 组件4：强制并排，调整间距 */
            .logos-container {
                gap: 40px;
            }
            
            .highlight-logo {
                width: 400px;
                height: 150px;
            }
            
            /* 组件5：竖屏时保持滑动，横屏时居中 */
            .speakers-container {
                justify-content: flex-start; /* 竖屏时从左开始滑动 */
            }
            
            /* 组件6：竖屏时上图下文 */
            .keynote-item {
                flex-direction: column !important;
                margin-bottom: 60px;
            }
            
            .keynote-image, .keynote-content {
                flex: 0 0 100%;
                width: 100%;
            }
            
            .keynote-content {
                padding: 30px 0 0;
            }
            
            /* 组件8和9：竖屏时上图下文 */
            .exhibition-container, .global-container {
                flex-direction: column;
            }
            
            .exhibition-image, .exhibition-content, .global-image, .global-content {
                flex: 0 0 100%;
                width: 100%;
            }
            
            .exhibition-content, .global-content {
                padding: 30px 0 0;
            }
        }
        
        @media (min-width: 993px) {
            /* 组件5：横屏时头像整体居中 */
            .speakers-container {
                justify-content: center;
                overflow-x: hidden; /* 横屏时隐藏滚动条 */
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        
        @media (max-width: 768px) {
            section {
                padding: 60px 20px;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .hero-title {
                font-size: 2.8rem;
            }
            
            /* 组件2：保持2列布局 */
            .exhibitors-grid {
                gap: 25px;
            }
            
            .exhibitor-logo {
                height: 130px;
                padding: 15px;
            }
            
            .awards-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            
            .events-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            
            /* 组件4：强制并排，调整到适合移动端 */
            .logos-container {
                flex-direction: row;
                gap: 20px;
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .highlight-logo {
                width: 500px;
                height: 120px;
                padding: 20px;
            }
            
            /* 组件5：头像容器在移动端保持单行，允许左右滑动 */
            .speakers-container {
                gap: 25px;
            }
            
            .speaker-card {
                width: 140px;
            }
            
            .speaker-avatar {
                width: 100px;
                height: 100px;
            }
            
            .carousel-content {
                padding: 30px;
            }
            
            .carousel-name {
                font-size: 1.7rem;
            }
            
            .conclusion-title {
                font-size: 2.3rem;
            }
            
            .conclusion-text {
                font-size: 1.2rem;
            }
            
            /* 组件10：竖屏时2x2排列 */
            .event-card {
                aspect-ratio: 1/1;
            }
        }
        
        @media (max-width: 480px) {
            .hero-title {
                font-size: 1.5rem;
            }
            
            .hero-subtitle {
                font-size: 2.4rem;
            }
            
            .hero-date {
                font-size: 1.2rem;
            }
            
            /* 组件4：移动端小屏幕时调整 */
            .highlight-logo {
                width: 140px;
                height: 100px;
                padding: 15px;
            }
            
            /* 组件5：移动端头像更小以适应滑动 */
            .speaker-card {
                width: 120px;
            }
            
            .speaker-avatar {
                width: 80px;
                height: 80px;
            }
        }
        
        @media (max-width: 360px) {
            /* 组件4：超小屏幕时强制并排，但调整大小 */
            .highlight-logo {
                width: 120px;
                height: 90px;
            }
        }

/* HEADER 置顶抬头 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    z-index: 2000;
    transition: background 0.4s ease;
    display: flex;
    justify-content: center; /* 让 Logo 置中 */
    align-items: center;
    background: #fff;
    color: #fff;
}
/* LOGO 居中 */
.logo-container {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.logo-img {
    height: clamp(32px, 4vw, 48px);
    width: auto;
    object-fit: contain;
}

/* 菜单按钮定位在右上，适当向左缩 */
.menu-btn {
    position: absolute;
    right: 2%;
    top: 50%;
    transform: translateY(-50%);
    font-size: clamp(24px, 3vw, 36px);
    border: none;
    background: none;
    color: #1e218c;
    cursor: pointer;
}