/* ============================================================================
   网站主样式文件 - style.css
   文件说明：包含网站所有页面的样式定义，包括布局、颜色、字体、响应式设计等
   作者：[您的名字]
   最后更新：2024

   样式组织结构：
   1. 基础样式重置 - 统一浏览器默认样式
   2. 全局样式 - 字体、颜色、容器等通用样式
   3. 导航栏样式 - 顶部导航菜单
   4. 轮播图样式 - 首页轮播区域
   5. 内容区域样式 - 各个页面模块
   6. 响应式样式 - 移动端适配
   ============================================================================ */

/* ==================== 基础样式重置 ====================
   说明：重置浏览器默认样式,确保跨浏览器一致性
   ============================================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* 使padding和border包含在元素宽度内 */
}

/* 全局字体和颜色设置 */
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif; /* 优先使用微软雅黑,回退到Arial */
    line-height: 1.6; /* 行高1.6倍,提高可读性 */
    color: #333; /* 深灰色文字,避免纯黑色刺眼 */
    background-color: #f8f9fa; /* 浅灰背景色,统一全站背景 */
}

/* ==================== 模块进入动画 ====================
   说明：页面滚动时,内容区块从下向上淡入的动画效果
   特性：默认section可见,只有添加animate-on-scroll类才启用动画
   触发：通过Intersection Observer检测元素进入视口时添加section-visible类
   ============================================================================ */
/* section默认可见状态,只有显式添加动画类时才隐藏等待触发 */
section.animate-on-scroll {
    opacity: 0; /* 初始透明 */
    transform: translateY(20px); /* 初始位置向下偏移20px */
    transition: opacity 0.6s ease-out, transform 0.6s ease-out; /* 0.6秒平滑过渡 */
}

/* 元素进入视口后显示的状态 */
section.animate-on-scroll.section-visible {
    opacity: 1; /* 完全不透明 */
    transform: translateY(0); /* 移动到正常位置 */
}

/* 首页模块统一进入动画 - 从下往上（无淡入）
   使用场景：首页所有section区域
   效果：从下方30px处上移到正常位置 */
.home-page section.slide-from-left,
.home-page section.slide-from-right {
    transform: translateY(30px);
    transition: transform 0.8s ease-out;
}

.home-page section.slide-from-left.section-visible,
.home-page section.slide-from-right.section-visible {
    transform: translateY(0);
}

/* ==================== 联系我们页面section动画 ====================
   说明:联系我们页面的section区域进入动画
   特性:使用CSS animation自动播放,页面加载时立即执行,不需等待JS
   ============================================================================ */
/* 联系信息区域 - 从左滑入动画 */
.contact-animate-left {
    animation: contactSlideFromLeft 0.6s ease-out forwards;
}

@keyframes contactSlideFromLeft {
    from {
        opacity: 0;
        transform: translateX(-60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 表单区域 - 从右滑入动画 */
.contact-animate-right {
    animation: contactSlideFromRight 0.6s ease-out 0.15s forwards;
    opacity: 0; /* 初始透明,等待动画延迟后播放 */
}

@keyframes contactSlideFromRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 联系我们页面旧版动画（依赖JS触发，已弃用） */
section.slide-from-left {
    opacity: 0; /* 初始透明 */
    transform: translateX(-100px); /* 初始位置在左侧100px外 */
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; /* 0.8秒平滑过渡 */
}

section.slide-from-left.section-visible {
    opacity: 1; /* 完全显示 */
    transform: translateX(0); /* 滑动到正常位置 */
}

/* 表单区域 - 从右滑入动画
   使用场景:在线留言表单区域(.contact-form-section)
   效果:从右侧100px外淡入并滑入到正常位置 */
section.slide-from-right {
    opacity: 0; /* 初始透明 */
    transform: translateX(100px); /* 初始位置在右侧100px外 */
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; /* 0.8秒平滑过渡 */
}

section.slide-from-right.section-visible {
    opacity: 1; /* 完全显示 */
    transform: translateX(0); /* 滑动到正常位置 */
}

/* 客户墙区域 - 淡入动画(无位移)
   使用场景:客户案例页面的客户Logo墙区域(.clients-section)
   效果:从透明到不透明的淡入效果,不移动位置
   说明:由于客户墙section有渐变背景,移动会导致背景色不自然,因此只做淡入动画 */
section.slide-from-bottom {
    opacity: 0; /* 初始透明 */
    transition: opacity 1.2s ease-out; /* 1.2秒淡入,稍慢一些增强效果 */
}

section.slide-from-bottom.section-visible {
    opacity: 1; /* 完全显示 */
}

/* 轮播图首次加载动画 - 从下往上（无淡入）
   说明：页面加载时轮播图从下方上移的动画效果
   特性：使用CSS animation自动播放,无需JavaScript控制 */
.slider-container {
    transform: translateY(30px);
    animation: slideInFromBottom 0.8s ease-out forwards;
}

/* 轮播图上移动画关键帧定义
   效果：从下方30px处上移到正常位置(0) */
@keyframes slideInFromBottom {
    from {
        transform: translateY(30px);
    }
    to {
        transform: translateY(0);
    }
}

/* 除首页外，所有页面添加明显的背景过渡色 */
body:not(.home-page) {
    background: linear-gradient(to bottom, 
        #ffffff 0%, 
        #f5f6f7 10%, 
        #f0f1f3 25%, 
        #eceef0 40%, 
        #e8e9eb 60%, 
        #eceef0 75%, 
        #f0f1f3 90%, 
        #f8f9fa 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* 链接样式 */
a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* 列表样式重置 */
ul, ol {
    list-style: none;
}

/* 图片自适应 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 容器样式 - 限制最大宽度并居中 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== 顶部导航栏样式 ====================
   说明：网站主导航，固定在页面顶部，包含Logo、菜单、联系方式
   特性：响应式设计，移动端显示汉堡菜单
   ============================================================================ */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: 100px; /* 使用min-height实现自适应高度 */
}

.navbar {
    display: flex;
    align-items: center;
    padding: 1.5rem 2rem; /* 增加上下内边距以撑高导航栏 */
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100px; /* 确保最小高度与header一致 */
    gap: 2rem; /* 元素之间的间距 */
}

/* Logo样式 */
.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    min-height: 50px;
    min-width: 200px; /* 固定最小宽度防止布局偏移 */
    margin-left: -150px;
}

.logo img {
    transition: transform 0.3s ease;
    height: 65px;
    width: auto;
    min-width: 150px; /* 防止图片加载时布局偏移 */
    object-fit: contain; /* 保持图片比例，防止变形 */
    max-width: none; /* 移除宽度限制 */
}

.logo img:hover {
    transform: scale(1.05);
}

/* 电话区域 */
.tel {
    flex-shrink: 0;
    height: auto;
    min-width: 180px; /* 固定最小宽度防止布局偏移 */
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.tel img {
    height: 65px;
    width: auto;
    min-width: 150px; /* 防止图片加载时布局偏移 */
    object-fit: contain; /* 保持图片比例，防止变形 */
    max-width: none; /* 移除宽度限制 */
    transition: transform 0.3s ease;
}

.tel img:hover {
    transform: scale(1.05);
}

/* 导航菜单样式 */
.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 0;
    font-size: 1.1rem; /* 统一字体大小 */
    margin-left:230px;
}

.nav-menu a {
    color: #333;
    font-weight: 500;
    font-size: 1.1rem; /* 统一字体大小 */
    padding: 0.8rem 1.2rem;
    border-radius: 5px;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
}

/* 菜单链接下划线效果 */
.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background-color: #4A90E2; /* 图片中的明亮中蓝色 */
    transition: transform 0.3s ease;
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #4A90E2; /* 图片中的明亮中蓝色 */
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    font-size: 1.8rem; /* 增大移动端按钮 */
    cursor: pointer;
    color: #333;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.menu-toggle:hover {
    color: #4A90E2; /* 图片中的明亮中蓝色 */
}

/* ==================== 轮播图样式 ====================
   说明：首页顶部大图轮播区域，支持自动播放、手动切换
   特性：平滑过渡动画、指示器导航、响应式图片
   ============================================================================ */
.slider-container {
    position: relative;
    width: 100%;
    height: auto; /* 自适应高度 */
    overflow: hidden;
}

.slider {
    width: 100%;
    height: auto;
    position: relative;
}

/* 单个轮播图片样式 */
.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    top: 0;
    left: 0;
}

.slide.active {
    opacity: 1;
    position: relative; /* 激活状态用relative撞起容器高度 */
}

.slide img {
    width: 100%;
    height: auto;
    object-fit: contain; /* 保持图片比例，完整显示 */
}

/* 轮播图内容覆盖层 */
.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
}

.slide-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.slide-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* 轮播图按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #4A90E2; /* 图片中的明亮中蓝色 */
    color: #fff;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #3A7BC8; /* 悬停时稍深的蓝色 */
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

/* 美化查看全部产品按钮 */
.btn-primary {
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%); /* 图片中的明亮中蓝色渐变 */
    color: #fff;
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4),
                0 0 0 0 rgba(74, 144, 226, 0.3);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.5px;
    border: none;
}


.btn-primary:hover {
    background: linear-gradient(135deg, #4A90E2 0%, #3A7BC8 100%); /* 悬停时颜色加深 */
    transform: translateY(-3px) scale(1.15);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.6),
                0 0 0 8px rgba(74, 144, 226, 0.2),
                0 0 30px rgba(74, 144, 226, 0.3);
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4);
}

/* 轮播图切换按钮 - 精致现代版 */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.4rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.slider-btn:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.slider-btn:active {
    transform: translateY(-50%) scale(1);
}

.slider-btn.prev {
    left: 25px;
}

.slider-btn.next {
    right: 25px;
}

/* 轮播图指示器 - 圆点渐变版 */
.slider-dots {
    position: absolute;
    bottom: 15px; /* 贴近底部 */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 5;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: rgba(80, 80, 80, 0.7); /* 灰黑色 */
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.dot::before {
    display: none; /* 去除外圈 */
}

.dot.active {
    background-color: #333; /* 深灰黑色 */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.dot.active::before {
    display: none;
}

.dot:hover {
    background-color: #555; /* 悬停时稍浅 */
    transform: scale(1.3);
}

/* ==================== 区块标题样式 ==================== */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    margin-top: 0;
    color: #2c3e50;
}

/* 样品展示区域标题特殊样式 */
.news-preview .section-title {
    margin-bottom: 70px;
    margin-top: -20px; /* 标题向上移动20px */
}

.section-subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 3rem;
}

/* ==================== 优势区域样式 ==================== */
.advantages {
    padding: 80px ;
    background-color: #fff;
    font-size: 10px;
    letter-spacing: 1px;
    position: relative;
}

/* 优势区域顶部渐变过渡和边界 */
.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, rgba(248, 249, 250, 1), rgba(255, 255, 255, 1));
    pointer-events: none;
    z-index: 1;
}

/* 优势区域顶部边界线 */
.advantages {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.advantage-item {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.advantage-item i {
    font-size: 3rem;
    color: #4A90E2; /* 图片中的明亮中蓝色 */
    margin-bottom: 1rem;
}

.advantage-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* ==================== 产品展示区域 ==================== */
.products-preview {
    padding: 80px 0;
    background-color: #f8f9fa;
    position: relative;
}

/* 产品预览区域顶部渐变过渡（从白色到浅灰色） */
.products-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 1), rgba(248, 249, 250, 1));
    pointer-events: none;
    z-index: 1;
}

/* 产品预览区域顶部边界线 */
.products-preview {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 3rem;
}

/* 产品卡片样式
   说明：产品展示卡片的基础样式
   特性：默认隐藏,通过active类控制显示,支持淡入上移动画
   用途：伟德bv1946官网页面的分页显示,首页产品预览直接显示所有卡片 */
.product-card {
    background: linear-gradient(to bottom, #f8fafc 0%, #eef2f8 50%, #dde3f0 100%); /* 灰色渐变背景 */
    border-radius: 10px; /* 圆角10px */
    overflow: hidden; /* 隐藏超出边界的内容 */
    box-shadow: 0 5px 15px rgba(0,0,0,0.1), 0 0 18px rgba(74, 144, 226, 0.25); /* 阴影+蓝色发光 */
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* 平滑过渡 */
    display: none; /* 默认隐藏,通过分页控制显示 */
}

/* 激活状态的产品卡片
   说明：当前页面应该显示的卡片 */
.product-card.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: none;
}

/* 首页产品预览区域样式覆盖
   说明：首页不需要分页,所有产品卡片直接展示,不需要动画效果
   特性：覆盖上面的隐藏和动画设置,让所有卡片直接可见 */
.products-preview .product-card {
    display: block; /* 直接显示,不需要通过active类控制 */
    opacity: 1; /* 完全不透明,首页直接显示,不需要淡入动画 */
    transform: translateY(0); /* 正常位置,首页直接显示,不需要上移动画 */
    animation: none; /* 首页不需要进入动画 */
}

/* 产品卡片悬停效果
   说明：鼠标悬停时卡片上移并增强阴影,突出显示 */
.product-card:hover {
    transform: translateY(-10px); /* 向上移动10px */
    box-shadow: 0 12px 30px rgba(0,0,0,0.18), 0 0 26px rgba(74, 144, 226, 0.35);
}

/* 产品图片链接区域 - 可点击（首页） */
.product-image-link {
    display: block;
    text-decoration: none;
    cursor: pointer;
    position: relative;
}

.product-image-link:hover {
    text-decoration: none;
}

/* 产品图片可点击区域 - 伟德bv1946官网页面和首页 */
.product-image-clickable {
    cursor: pointer;
    position: relative;
    display: block;
    overflow: hidden;
}

/* PC端鼠标悬停波纹效果 */
@media (hover: hover) and (pointer: fine) {
    .product-image-clickable::before {
        content: none;
    }
    
    .product-image-clickable:hover::before {
        content: none;
    }
    
    /* PC端鼠标悬停卡片效果 */
    .product-card:hover {
        transform: translateY(-10px); /* 向上移动10px */
    }
}

/* 移动端点击波纹效果 */
@media (hover: none) or (pointer: coarse) {
    .product-image-clickable::before {
        content: none;
    }
    
    .product-image-clickable.clicked::before {
        content: none;
    }
    
    /* 移动端点击卡片缩放效果 */
    .product-card.click-effect {
        animation: none;
    }
}

/* 波纹扩散动画 */
@keyframes rippleEffect {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        width: 500px;
        height: 500px;
        opacity: 0;
    }
}

/* 卡片点击动画 */
@keyframes cardClick {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.95);
    }
    100% {
        transform: scale(1);
    }
}

/* 首页产品预览区域的可点击卡片 */
.products-preview .product-image-clickable {
    cursor: pointer;
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    display: block;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #fff;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: none;
}

/* 产品覆盖层 */
.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: none;
    display: none;
}

.product-card:hover .product-overlay {
    display: none;
}

.btn-view {
    background-color: #fff;
    color: #4A90E2; /* 图片中的明亮中蓝色 */
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
    pointer-events: none; /* 防止按钮阻止卡片点击 */
}

/* 产品信息 */
.product-info {
    padding: 20px;
    text-align: center; /* 文字居中 */
    cursor: default; /* 文字区域不可点击 */
    user-select: text; /* 允许选择文字 */
    pointer-events: auto; /* 确保可以正常显示 */
}

/* 伟德bv1946官网页面的产品信息区域 */
.products-section .product-info {
    cursor: default;
    user-select: text;
}

.product-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #2c3e50;
    text-align: center; /* 标题居中 */
}

.product-info p {
    color: #7f8c8d;
    margin-bottom: 15px;
    text-align: center; /* 描述文字居中 */
}

/* ==================== 数据统计区域 ==================== */
.statistics {
    padding: 100px 0;
    background: #fff;
    position: relative;
}

/* 统计区域顶部渐变过渡（从浅灰色到白色） */
.statistics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, rgba(248, 249, 250, 1), rgba(255, 255, 255, 1));
    pointer-events: none;
    z-index: 1;
}

/* 统计区域顶部边界线 */
.statistics {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.stat-item {
    text-align: center;
    padding: 0;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.stat-item::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #4A90E2 0%, #3A7BC8 100%); /* 图片中的明亮中蓝色渐变 */
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 鼠标悬停时卡片上移和底部指示线扩展 */
.stat-item:hover {
    transform: translateY(-10px);
}

.stat-item:hover::after {
    width: 60px;
    height: 4px;
}

/* 鼠标悬停时图标和数字放大 */
.stat-item:hover i {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.stat-item:hover .stat-number {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* 数据统计区域卡片淡入上移动画关键帧定义
   说明：用于产品卡片、统计卡片等元素的进入动画
   效果：元素从下方20px处淡入并上移到正常位置
   持续时间：由调用处的animation属性控制,通常为0.5-0.8秒 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-item i {
    font-size: 2.8rem;
    margin-bottom: 1.2rem;
    color: #4A90E2; /* 图片中的明亮中蓝色 */
    display: block;
    transition: transform 0.3s ease;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    letter-spacing: -1px;
    transition: transform 0.3s ease;
}

.stat-item p {
    font-size: 1rem;
    color: #7f8c8d;
    font-weight: 500;
    margin-top: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .statistics {
        padding: 60px 0;
    }
    
    .stats-grid {
        gap: 50px;
    }
    
    .stat-item i {
        font-size: 2.2rem;
    }
    
    .stat-number {
        font-size: 2.8rem;
    }
    
    .stat-item p {
        font-size: 0.9rem;
    }
}

/* ==================== 新闻资讯区域 ==================== */
.news-preview {
    padding: 60px 0 80px 0; /* 上内边距从40px增加到60px，整个模块向下移动20px */
    background-color: #f8f9fa; /* 使用页面上方的浅灰背景色 */
    position: relative;
}

/* 样品展示区域顶部渐变过渡（从白色到浅灰色） */
.news-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 1), rgba(248, 249, 250, 1));
    pointer-events: none;
    z-index: 1;
}

/* 样品展示区域顶部边界线 */
.news-preview {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

/* 确保内容在渐变遮罩层之上 */
.advantages .container,
.products-preview .container,
.statistics .container,
.news-preview .container {
    position: relative;
    z-index: 2;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

/* ==================== 新闻卡片网格布局 ==================== */
/* 一列2个，一页5列（共10个卡片） */
.news-cards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    margin-bottom: 50px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* 新闻卡片项 - 默认隐藏 */
.news-card-item {
    display: none; /* 默认隐藏，通过分页控制显示 */
    opacity: 0; /* 初始透明度为0 */
    transform: translateY(20px); /* 初始位置向下偏移 */
}

/* 激活状态的卡片显示 */
.news-card-item.active {
    display: block; /* 激活状态显示 */
    animation: fadeInUp 0.5s ease forwards; /* 添加淡入上移动画 */
}

/* 为不同位置的卡片添加延迟，实现错开动画 */
.news-card-item.active:nth-child(1) { animation-delay: 0s; }
.news-card-item.active:nth-child(2) { animation-delay: 0.05s; }
.news-card-item.active:nth-child(3) { animation-delay: 0.1s; }
.news-card-item.active:nth-child(4) { animation-delay: 0.15s; }
.news-card-item.active:nth-child(5) { animation-delay: 0.2s; }
.news-card-item.active:nth-child(6) { animation-delay: 0.05s; }
.news-card-item.active:nth-child(7) { animation-delay: 0.1s; }
.news-card-item.active:nth-child(8) { animation-delay: 0.15s; }
.news-card-item.active:nth-child(9) { animation-delay: 0.2s; }
.news-card-item.active:nth-child(10) { animation-delay: 0.25s; }

/* 响应式设计 */
@media (max-width: 1400px) {
    .news-cards-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 22px;
    }
}

@media (max-width: 1200px) {
    .news-cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 22px;
    }
}

@media (max-width: 768px) {
    .news-cards-grid {
        grid-template-columns: repeat(2, 1fr); /* 移动端一行2个 */
        gap: 18px;
        max-width: 100%;
    }
    
    .news-image {
        height: 140px;
    }
    
    .news-content {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .news-cards-grid {
        grid-template-columns: repeat(2, 1fr); /* 小屏幕也保持一行2个 */
        gap: 15px;
        max-width: 100%;
    }
    
    .news-image {
        height: 200px;
    }
}

/* 新闻卡片样式 */
.news-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 12px rgba(0,0,0,0.08), 0 0 16px rgba(74, 144, 226, 0.22);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.2), 0 0 22px rgba(74, 144, 226, 0.35);
}

/* 样品卡片标题 */
.news-card-title {
    padding: 10px 12px;
    font-size: 14px;
    color: #333;
    text-align: center;
    line-height: 1.4;
    background: #fff;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-image {
    position: relative;
    height: 160px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-date {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: #4A90E2; /* 图片中的明亮中蓝色 */
    color: #fff;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.news-content {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-content h3 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: #2c3e50;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-content p {
    color: #7f8c8d;
    margin-bottom: 10px;
    line-height: 1.5;
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.read-more {
    color: #4A90E2; /* 图片中的明亮中蓝色 */
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    margin-top: auto;
    padding-top: 5px;
}

.read-more:hover {
    gap: 8px;
    color: #3A7BC8; /* 悬停时稍深的蓝色 */
}

.read-more i {
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(2px);
}

/* ==================== 新闻横向轮播样式 ==================== */
/* 轮播区域（包含按钮和容器） */
.news-scroll-area {
    display: flex;
    align-items: center;
    gap: 40px;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

/* 轮播外层容器 */
.news-scroll-wrapper {
    position: relative;
    flex: 1;
    height: 280px;
    overflow: hidden;
    background: transparent;
    border-radius: 10px;
}

/* 轮播内容容器 */
.news-scroll-container {
    display: flex;
    gap: 30px;
    height: 100%;
}

/* 无限循环滚动动画 */
.news-scroll-container.scrolling {
    animation: newsScrollLeft var(--scroll-duration, 60s) linear infinite;
}

/* 关键帧动画：从右往左滚动 */
@keyframes newsScrollLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 新闻卡片样式 */
.news-card-scroll {
    flex: 0 0 320px;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-card-scroll:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.18), 0 0 22px rgba(74, 144, 226, 0.3);
}

.news-card-scroll .news-image {
    position: relative;
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.news-card-scroll .news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-card-scroll .news-date {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(52, 152, 219, 0.95);
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.news-card-scroll .news-content {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card-scroll .news-content h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #2c3e50;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.news-card-scroll .news-content p {
    color: #7f8c8d;
    line-height: 1.5;
    font-size: 0.85rem;
    margin-bottom: 12px;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ==================== 新闻滚动控制按钮样式 ==================== */
.news-scroll-btn {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%); /* 图片中的明亮中蓝色渐变 */
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4),
                0 0 0 0 rgba(74, 144, 226, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    z-index: 100;
}

.news-preview {
    position: relative;
}

/* 新闻预览区域的 container 不受限制 */
.news-preview .container {
    max-width: 100%;
    padding: 0 40px;
}

/* 按钮背景光晕效果 */
.news-scroll-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.news-scroll-btn:hover::before {
    width: 120%;
    height: 120%;
}

.news-scroll-btn:hover {
    background: linear-gradient(135deg, #4A90E2 0%, #3A7BC8 100%); /* 悬停时颜色加深 */
    transform: scale(1.15) translateY(-3px);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.6),
                0 0 0 8px rgba(74, 144, 226, 0.2),
                0 0 30px rgba(74, 144, 226, 0.3);
}

.news-scroll-btn:active {
    transform: scale(1.05) translateY(0);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4);
}

/* 按钮图标动画 */
.news-scroll-btn i {
    pointer-events: none;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.news-scroll-left-btn:hover i {
    animation: bounceLeft 0.6s ease infinite;
}

.news-scroll-right-btn:hover i {
    animation: bounceRight 0.6s ease infinite;
}

/* 向左弹跳动画 */
@keyframes bounceLeft {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-5px);
    }
}

/* 向右弹跳动画 */
@keyframes bounceRight {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(5px);
    }
}

/* ==================== 页脚样式 ==================== */
.footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 40px 0 15px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 1.2fr 0.4fr 1fr;
    gap: 30px;
    margin-bottom: 25px;
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.footer-section p {
    line-height: 1.8;
    color: #bdc3c7;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #bdc3c7;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #4A90E2; /* 图片中的明亮中蓝色 */
}

/* 社交链接 */
.social-links {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: #34495e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: #4A90E2; /* 图片中的明亮中蓝色 */
    transform: translateY(-3px);
}

/* 联系信息 */
.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #bdc3c7;
}

.contact-info i {
    display: none;
}

/* 二维码 */
.qrcode {
    width: 120px;
    height: 120px;
    background-color: #fff;
    border-radius: 10px;
    padding: 10px;
}

.qrcode img {
    width: 100%;
    height: 100%;
}

/* 页脚底部版权信息 */
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
}

.footer-bottom p {
    color: #95a5a6;
}

.footer-bottom a {
    color: #95a5a6;
}

.footer-bottom a:hover {
    color: #4A90E2;
}

/* 社交媒体栏居中 */
.footer-social {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-social h3 {
    margin-bottom: 18px;
}

/* 社交媒体二维码弹出组 */
.social-qrcode-group {
    display: flex;
    gap: 25px;
}

.social-qrcode-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.social-qrcode-item .social-label {
    font-size: 12px;
    color: #bdc3c7;
    margin-bottom: 6px;
}

.social-qrcode-item .social-icon {
    width: 40px;
    height: 40px;
    background-color: #34495e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #ecf0f1;
    font-size: 18px;
}

.social-qrcode-item:hover .social-icon {
    background-color: #4A90E2;
    transform: translateY(-3px);
}

.social-qrcode-item .qrcode-popup {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 10px;
    background: #fff;
    padding: 6px;
    border-radius: 6px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.social-qrcode-item .qrcode-popup::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #fff;
}

.social-qrcode-item .qrcode-popup img {
    width: 80px;
    height: 80px;
    display: block;
}

.social-qrcode-item:hover .qrcode-popup {
    opacity: 1;
    visibility: visible;
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #4A90E2; /* 图片中的明亮中蓝色 */
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #3A7BC8; /* 悬停时稍深的蓝色 */
    transform: translateY(-5px);
}

/* ==================== 页面横幅样式 ==================== */
.page-banner {
    position: relative;
    padding: 96px 0;
    text-align: center;
    color: #fff;
    overflow: hidden;
    background: linear-gradient(135deg, #2b7cff 0%, #2ad6b3 100%);
}

.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.18), transparent 45%),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,0.15), transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(255,255,255,0.12), transparent 45%);
    pointer-events: none;
}

.page-banner .banner-content {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
}

.page-banner h1 {
    font-size: 2.6rem;
    margin-bottom: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.page-banner p {
    font-size: 1.05rem;
    color: #eaf6ff;
    margin-bottom: 10px;
}

/* 面包屑导航 */
.breadcrumb {
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 0.95rem;
    background: rgba(255,255,255,0.18);
    padding: 8px 16px;
    border-radius: 999px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.breadcrumb span {
    color: #d9eaff;
}

/* 方案A：伟德bv1946官网 - 深色玻璃拟物 */
.banner-style-a {
    background: radial-gradient(110% 120% at 20% 20%, rgba(255,255,255,0.2), transparent 45%),
                radial-gradient(100% 120% at 80% 10%, rgba(255,255,255,0.12), transparent 40%),
                linear-gradient(135deg, #0e1c2f 0%, #123b5a 55%, #0f2f45 100%);
    color: #fff;
}

.banner-style-a .glass-card {
    max-width: 980px;
    margin: 0 auto;
    padding: 32px 36px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 18px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.35);
    backdrop-filter: blur(10px);
}

.banner-style-a .banner-text {
    text-align: left;
}

.banner-style-a h1 {
    font-size: 2.6rem;
    margin-bottom: 12px;
}

.banner-style-a p {
    margin-bottom: 12px;
}

.banner-style-a .breadcrumb {
    justify-content: flex-start;
    background: rgba(255,255,255,0.15);
}

/* 方案B：视频案例 - 分栏双色切片 */
.banner-style-b {
    background: linear-gradient(135deg, #0e1f3a 0%, #0b2b50 60%, #0a1d2f 100%);
    color: #fff;
}

.banner-style-b .banner-split {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 28px;
    align-items: center;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.banner-style-b::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 0%, transparent 45%, rgba(255,255,255,0.08) 46%, rgba(255,255,255,0.04) 70%, transparent 72%, transparent 100%);
    pointer-events: none;
}

.banner-style-b .banner-text {
    text-align: left;
}

.banner-style-b .banner-text h1 {
    font-size: 2.7rem;
    margin-bottom: 12px;
}

.banner-style-b .banner-text p {
    margin-bottom: 14px;
}

.banner-style-b .breadcrumb {
    margin-top: 12px;
    justify-content: flex-start;
}

.banner-style-b .banner-media {
    background: linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0 18px 36px rgba(0,0,0,0.28);
}

.banner-style-b .banner-media img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: 12px;
}

/* 方案C：客户案例 - 极简下划线 */
.banner-style-c {
    background: #dfe0e0; /* 更灰的背景色 */
    color: #1f2d3d;
    padding: 70px 0 40px;
    position: relative;
}

/* 添加过渡色效果 - 从浅色平滑过渡到内容区域背景色 */
.banner-style-c::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: linear-gradient(to bottom, rgba(232, 233, 235, 0) 0%, rgba(248, 249, 250, 0.3) 50%, #f8f9fa 100%);
    pointer-events: none;
}

.banner-style-c .banner-narrow {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    padding: 0 24px;
}

.banner-style-c h1 {
    margin-bottom: 10px;
    color: #2c3e50; /* 更深的文字颜色，与灰色背景形成对比 */
}

.banner-style-c p {
    color: #4a5568; /* 稍深的灰色文字 */
    margin-bottom: 12px;
}

.banner-style-c .breadcrumb {
    background: transparent; /* 透明背景，与页面背景一致 */
    color: #2c3e50;
    box-shadow: none;
    margin-top: 10px;
    backdrop-filter: none;
    border: none;
    padding: 8px 16px;
}

.banner-style-c .breadcrumb a {
    color: #3498db;
    transition: color 0.3s ease;
}

.banner-style-c .breadcrumb a:hover {
    color: #2980b9;
}

.banner-style-c .breadcrumb span {
    color: #7f8c8d;
}

.banner-style-c .underline-bar {
    width: 120px;
    height: 5px;
    margin: 18px auto 0;
    border-radius: 999px;
    background: linear-gradient(90deg, #2b7cff, #2ad6b3);
    box-shadow: 0 8px 18px rgba(43,124,255,0.3);
}
/* ==================== 筛选按钮样式 ==================== */
.product-filter,
.case-filter,
.news-filter {
    padding: 40px 0;
    background-color: #fff;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-btn {
    padding: 10px 25px;
    background-color: #ecf0f1;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    color: #2c3e50;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: #4A90E2; /* 图片中的明亮中蓝色 */
    color: #fff;
}

/* ==================== 产品页面特定样式 ====================
   说明:伟德bv1946官网页面的内容区域样式
   特性:设置最小高度确保页面加载时页脚不会显示在屏幕中间
   ============================================================================ */
.products-section {
    padding: 60px 0;
    background-color: #f8f9fa;
    min-height: calc(100vh - 100px); /* 设置最小高度:视口高度减去导航栏高度,确保内容区域足够高,页脚在底部 */
}

.product-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: #e74c3c;
    color: #fff;
    padding: 5px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    z-index: 2;
}

.product-tag.new {
    background-color: #2ecc71;
}

.product-features {
    display: flex;
    justify-content: center; /* 特点居中显示 */
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #27ae60;
    flex-wrap: wrap; /* 允许换行 */
}

.product-features i {
    font-size: 0.8rem;
}

.btn-inquiry {
    width: 100%;
    padding: 10px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-inquiry:hover {
    background-color: #2980b9;
}

/* ==================== 弹窗样式 ==================== */
/* 弹窗背景淡入动画 */
@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 弹窗内容淡入动画 */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(0);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 弹窗关闭动画 */
@keyframes modalFadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(0);
    }
}

/* 图片从左侧淡入动画 */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 信息从右侧淡入动画 */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    z-index: 2000;
    overflow-y: auto;
    animation: modalFadeIn 0.2s ease-out; /* 增加0.1秒，从0.1s改为0.2s */
}

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

.modal.closing {
    animation: modalFadeOut 0.2s ease-out forwards; /* 增加0.1秒，从0.1s改为0.2s */
}

.modal-content {
    background-color: #fff;
    border-radius: 10px;
    max-width: 1400px;
    width: 95%;
    max-height: 95vh;
    position: relative;
    margin: 20px;
    overflow-y: auto;
    animation: modalSlideIn 0.2s ease-out;
    transform-origin: center center;
    will-change: opacity;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 3.3rem;
    color: #7f8c8d;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    transform: rotate(0deg);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: #2c3e50;
    transform: rotate(90deg) scale(1.1); /* 悬停时旋转并放大 */
}

.modal-body {
    padding: 50px;
    display: flex;
    gap: 50px;
    min-height: 500px;
}

.modal-image {
    flex: 0 0 60%; /* 图片区域占据60%宽度 */
    min-width: 0; /* 防止图片溢出 */
    display: flex;
    align-items: center; /* 垂直居中 */
    justify-content: center; /* 水平居中 */
}

.modal-image img {
    width: 100%;
    height: auto;
    max-height: 600px; /* 限制最大高度 */
    object-fit: contain; /* 保持图片比例，完整显示 */
    border-radius: 8px;
}

.modal-info {
    flex: 0 0 40%;
    min-width: 0;
    overflow-y: auto;
}

.modal-info h2 {
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.3;
}

.modal-info p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 25px;
}

.modal-specs,
.modal-features {
    margin: 25px 0;
}

.modal-specs h3,
.modal-features h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.4rem; /* 增大标题字体 */
}

.modal-specs ul,
.modal-features ul {
    list-style: disc;
    padding-left: 25px; /* 增加左边距 */
}

.modal-specs li,
.modal-features li {
    margin-bottom: 12px;
    color: #7f8c8d;
    font-size: 1rem;
    line-height: 1.6;
}

/* 删除列表项依次淡入动画和延迟，避免抽动 */

/* ==================== 视频页面样式 ====================
   说明:视频案例页面的内容区域样式
   特性:设置最小高度确保页面加载时页脚不会显示在屏幕中间
   ============================================================================ */
.videos-section {
    padding: 60px 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(245, 246, 247, 0.9) 30%, 
        rgba(240, 241, 243, 1) 60%, 
        rgba(248, 249, 250, 1) 100%);
    position: relative;
    min-height: calc(100vh - 100px); /* 设置最小高度:视口高度减去导航栏高度,确保内容区域足够高,页脚在底部 */
}

.videos-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(52, 152, 219, 0.03) 0%, 
        rgba(155, 89, 182, 0.02) 50%, 
        rgba(52, 152, 219, 0.03) 100%);
    pointer-events: none;
    z-index: 0;
}

.videos-section > * {
    position: relative;
    z-index: 1;
}

.video-card {
    background: linear-gradient(to bottom, #f8fafc 0%, #eef2f8 50%, #dde3f0 100%);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1), 0 0 18px rgba(74, 144, 226, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: none; /* 默认隐藏，通过分页控制显示 */
}

.video-card.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: none;
}

.video-card:hover {
    transform: translateY(-10px); /* 向上移动10px */
    box-shadow: 0 18px 36px rgba(0,0,0,0.22), 0 0 28px rgba(74, 144, 226, 0.4); /* 阴影+蓝色发光 */
}

.video-thumbnail {
    position: relative;
    height: 220px;
    overflow: hidden;
    background-color: #f0f0f0; /* 添加背景色，防止视频加载时空白 */
}

.video-thumbnail img,
.video-thumbnail video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: #fff;
    display: block; /* 防止图片下方出现空隙 */
}

/* 播放按钮 */
.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background-color: rgba(52, 152, 219, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-button:hover {
    background-color: rgba(52, 152, 219, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.play-button i {
    color: #fff;
    font-size: 1.5rem;
    margin-left: 5px;
}

.video-duration {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background-color: rgba(0,0,0,0.7);
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9rem;
}

.video-info {
    padding: 15px;
    text-align: center;
    position: relative;
}

/* 图片与文字分隔线 */
.video-info::before {
    content: none;
}

.video-info h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #2c3e50;
}

.video-meta {
    display: flex;
    gap: 20px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 清理视频卡片内的时长与元信息显示 */
.video-duration,
.video-meta {
    display: none !important;
}

.video-meta i {
    margin-right: 5px;
}

/* 视频网格布局 - 每行4个视频 */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 280px));
    justify-content: center;
    gap: 25px;
    margin-bottom: 3rem;
    min-height: auto;
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* 视频网格加载状态 */
.videos-grid.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 视频分页导航样式 */
.videos-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    position: relative;
}

/* 左右箭头按钮样式 - 固定定位在页面两侧 */
.videos-pagination .page-btn {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%); /* 图片中的明亮中蓝色渐变 */
    border: none;
    border-radius: 50%; /* 圆形按钮 */
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4),
                0 0 0 0 rgba(74, 144, 226, 0.3);
    position: fixed; /* 固定定位，跟随滚动 */
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    overflow: hidden;
}

/* 左侧按钮定位 */
.videos-pagination .prev-btn {
    left: calc(50% - 700px); /* 容器左侧约100px处 */
}

/* 右侧按钮定位 */
.videos-pagination .next-btn {
    right: calc(50% - 700px); /* 容器右侧约100px处 */
}

/* 按钮光晕效果 */
.videos-pagination .page-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.videos-pagination .page-btn:hover::before {
    width: 120%;
    height: 120%;
}

.videos-pagination .page-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #4A90E2 0%, #3A7BC8 100%); /* 悬停时颜色加深 */
    transform: translateY(-50%) scale(1.15) translateY(-3px);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.6),
                0 0 0 8px rgba(74, 144, 226, 0.2),
                0 0 30px rgba(74, 144, 226, 0.3);
}

.videos-pagination .page-btn:active {
    transform: translateY(-50%) scale(1.05) translateY(0);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4);
}

.videos-pagination .page-btn:disabled {
    background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%); /* 灰色渐变 */
    cursor: not-allowed;
    opacity: 0.5;
    box-shadow: none;
}

.videos-pagination .page-btn:disabled:hover {
    transform: translateY(-50%) scale(1); /* 修正为统一的变换 */
    box-shadow: none;
}

/* 箭头图标样式 */
.videos-pagination .page-btn i {
    position: relative;
    z-index: 1;
    pointer-events: none;
}

/* 页码指示器容器 */
.videos-pagination .page-numbers {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* 页码按钮 - 圆点样式 */
.videos-pagination .page-number {
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    padding: 0;
    font-size: 0;
    color: transparent;
    transform-origin: center center;
}

/* 页码按钮悬停效果 */
.videos-pagination .page-number:hover {
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%);
    transform: scale(1.3);
}

/* 激活状态 - 变成横条并显示数字 */
.videos-pagination .page-number.active {
    width: 36px;
    height: 28px;
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%);
    border-radius: 14px;
    font-size: 0.85rem;
    color: #fff;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(94, 179, 214, 0.4);
    transform-origin: center center;
    margin-top: -8px;
    margin-bottom: -8px;
}

/* 激活状态悬停 */
.videos-pagination .page-number.active:hover {
    transform: scale(1.08);
    box-shadow: 0 3px 12px rgba(74, 144, 226, 0.6);
    transform-origin: center center;
}

/* 视频播放弹窗 */
.video-modal-content {
    max-width: 1000px;
}

.video-player {
    padding: 40px;
}

.video-player h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.video-player video {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
}

.video-note {
    text-align: center;
    color: #7f8c8d;
}

.video-note a {
    color: #3498db;
    font-weight: bold;
}

/* ==================== 优秀战略客户展示区域样式 ==================== */
.clients-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(245, 246, 247, 0.9) 30%, 
        rgba(240, 241, 243, 1) 60%, 
        rgba(248, 249, 250, 1) 100%);
    position: relative;
}

.clients-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(52, 152, 219, 0.03) 0%, 
        rgba(155, 89, 182, 0.02) 50%, 
        rgba(52, 152, 219, 0.03) 100%);
    pointer-events: none;
    z-index: 0;
}

.clients-section > * {
    position: relative;
    z-index: 1;
}

/* 标题区域样式 */
.clients-header {
    text-align: center;
    margin-bottom: 60px;
}

.clients-title {
    font-size: 2.8rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: bold;
}

.clients-subtitle {
    font-size: 1.1rem;
    color: #7f8c8d;
    letter-spacing: 1px;
}

/* 客户Logo网格布局 */
/* 无限循环滚动容器 */
.clients-scroll-wrapper {
    position: relative;
    width: 100%;
    height: 800px; /* 固定高度 */
    overflow: hidden;
    margin: 0 auto;
    background: transparent; /* 透明背景，与页面背景一致 */
    border-radius: 10px;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr); /* 一排6个 */
    gap: 30px;
    margin: 0 auto;
    padding: 0;
}

/* 无限循环滚动动画 */
.clients-grid.scrolling {
    animation: infiniteScroll var(--scroll-duration, 120s) linear infinite;
}

/* 关键帧动画：从0%滚动到50%，然后重置 */
@keyframes infiniteScroll {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%); /* 滚动到一半（第一份内容的高度） */
    }
}

/* 客户Logo卡片样式 */
.client-card {
    background-color: #fff;
    padding: 20px 15px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    min-height: 140px;
    gap: 10px;
}

/* 客户名称样式 */
.client-name {
    font-size: 13px;
    color: #666;
    text-align: center;
    line-height: 1.3;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 产品卡片分页显示控制 */
.client-card:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 16px 36px rgba(0,0,0,0.22), 0 0 24px rgba(74, 144, 226, 0.35);
    z-index: 10;
}

.client-card img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(0%); /* 显示原始颜色 */
    opacity: 1; /* 完全不透明 */
    transition: all 0.3s ease;
}

.client-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05); /* 悬停时轻微放大 */
}

/* 客户分页导航样式 */
.clients-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
}

.clients-pagination .page-btn {
    padding: 12px 24px;
    background-color: #fff;
    border: 2px solid #4A90E2; /* 图片中的明亮中蓝色 */
    border-radius: 5px;
    color: #4A90E2; /* 图片中的明亮中蓝色 */
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.clients-pagination .page-btn:hover:not(:disabled) {
    background-color: #4A90E2; /* 图片中的明亮中蓝色 */
    color: #fff;
}

.clients-pagination .page-btn:disabled {
    background-color: #ecf0f1;
    border-color: #bdc3c7;
    color: #95a5a6;
    cursor: not-allowed;
}

.clients-pagination .page-numbers {
    display: flex;
    gap: 10px;
}

.clients-pagination .page-number {
    width: 45px;
    height: 45px;
    background-color: #fff;
    border: 2px solid #ddd;
    border-radius: 5px;
    color: #2c3e50;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.clients-pagination .page-number:hover {
    border-color: #4A90E2; /* 图片中的明亮中蓝色 */
    color: #4A90E2; /* 图片中的明亮中蓝色 */
}

.clients-pagination .page-number.active {
    background-color: #4A90E2; /* 图片中的明亮中蓝色 */
    border-color: #4A90E2; /* 图片中的明亮中蓝色 */
    color: #fff;
}

/* 隐藏非当前页的客户卡片 */
/* 客户卡片默认显示；当网格启用分页类.paginated时，使用active控制显示 */
.client-card {
    display: flex;
}

.clients-grid.paginated .client-card {
    display: none;
}

.clients-grid.paginated .client-card.active {
    display: flex;
}

/* ==================== 滚动控制按钮样式 ==================== */
.scroll-control-buttons {
    position: fixed;  /* 改为fixed，跟随页面滚动 */
    right: calc(50% - 700px);  /* 容器右侧约100px处 */
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 30px;
    z-index: 1000;    /* 提高层级确保始终在最上层 */
}

.scroll-btn {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #84d9f5 0%, #5eb3d6 100%); /* 淡蓝色渐变 */
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(132, 217, 245, 0.4),
                0 0 0 0 rgba(132, 217, 245, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* 按钮背景光晕效果 */
.scroll-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.scroll-btn:hover::before {
    width: 120%;
    height: 120%;
}

.scroll-btn:hover {
    background: linear-gradient(135deg, #5eb3d6 0%, #3a9ec2 100%); /* 悬停时颜色加深 */
    transform: scale(1.15) translateY(-3px);
    box-shadow: 0 12px 35px rgba(94, 179, 214, 0.6),
                0 0 0 8px rgba(132, 217, 245, 0.2),
                0 0 30px rgba(94, 179, 214, 0.3);
}

.scroll-btn:active {
    transform: scale(1.05) translateY(0);
    box-shadow: 0 5px 15px rgba(132, 217, 245, 0.4);
}

/* 按钮图标动画 */
.scroll-btn i {
    pointer-events: none;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.scroll-up-btn:hover i {
    animation: bounceUp 0.6s ease infinite;
}

.scroll-down-btn:hover i {
    animation: bounceDown 0.6s ease infinite;
}

/* 向上弹跳动画 */
@keyframes bounceUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* 向下弹跳动画 */
@keyframes bounceDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(5px);
    }
}

/* ==================== 案例页面样式 ==================== */
.cases-section {
    padding: 60px 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(245, 246, 247, 0.9) 30%, 
        rgba(240, 241, 243, 1) 60%, 
        rgba(248, 249, 250, 1) 100%);
    position: relative;
}

.cases-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(52, 152, 219, 0.03) 0%, 
        rgba(155, 89, 182, 0.02) 50%, 
        rgba(52, 152, 219, 0.03) 100%);
    pointer-events: none;
    z-index: 0;
}

.cases-section > * {
    position: relative;
    z-index: 1;
}

/* 案例网格布局 - 小方块样式 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 25px;
    margin-bottom: 3rem;
}

.case-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1), 0 0 18px rgba(74, 144, 226, 0.25);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2), 0 0 24px rgba(74, 144, 226, 0.35);
}

.case-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(52, 152, 219, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.btn-detail {
    background-color: #fff;
    color: #3498db;
    padding: 10px 25px;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
}

.case-info {
    padding: 18px;
}

.case-tag {
    display: inline-block;
    background-color: #3498db;
    color: #fff;
    padding: 5px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.case-info h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #2c3e50;
}

/* 案例统计 */
.case-stats {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.3rem;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* ==================== 客户评价区域 ==================== */
.testimonials {
    padding: 80px 0;
    background-color: #fff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.testimonial-header img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-header h4 {
    font-size: 1.1rem;
    color: #2c3e50;
}

.testimonial-header p {
    font-size: 0.9rem;
    color: #7f8c8d;
}

.stars {
    color: #f39c12;
    margin-bottom: 15px;
}

.testimonial-content p {
    color: #555;
    line-height: 1.8;
    font-style: italic;
}

/* ==================== 新闻页面样式 ====================
   说明:新闻资讯页面的内容区域样式
   特性:设置最小高度确保页面加载时页脚不会显示在屏幕中间
   ============================================================================ */
.news-section {
    padding: 60px 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(245, 246, 247, 0.9) 30%, 
        rgba(240, 241, 243, 1) 60%, 
        rgba(248, 249, 250, 1) 100%);
    position: relative;
    min-height: calc(100vh - 100px); /* 设置最小高度:视口高度减去导航栏高度,确保内容区域足够高,页脚在底部 */
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(52, 152, 219, 0.03) 0%, 
        rgba(155, 89, 182, 0.02) 50%, 
        rgba(52, 152, 219, 0.03) 100%);
    pointer-events: none;
    z-index: 0;
}

.news-section > * {
    position: relative;
    z-index: 1;
}

.news-layout {
    display: block;
    max-width: 1200px;
    margin: 0 auto;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 18px; /* 缩小间距 */
}

/* 新闻项样式 - 长条形卡片（无图片版本） */
.news-item {
    background-color: #fff;
    border-radius: 10px; /* 缩小圆角 */
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08), 0 0 16px rgba(74, 144, 226, 0.2); /* 缩小阴影+蓝色发光 */
    display: none; /* 默认隐藏 */
    flex-direction: column;
    transition: all 0.3s ease;
    min-height: 120px; /* 调整最小高度 */
    border: 1px solid #f0f0f0;
    opacity: 0;
    transform: translateY(20px);
    cursor: pointer; /* 添加鼠标指针 */
    user-select: none; /* 禁止文本选中 */
}

.news-item.active {
    display: block;
    animation: fadeInUp 0.5s ease forwards;
}

/* 错开动画 */
.news-item.active:nth-child(1) { animation-delay: 0s; }
.news-item.active:nth-child(2) { animation-delay: 0.1s; }
.news-item.active:nth-child(3) { animation-delay: 0.2s; }
.news-item.active:nth-child(4) { animation-delay: 0.3s; }
.news-item.active:nth-child(5) { animation-delay: 0.4s; }

.news-item:hover {
    transform: translateY(-3px); /* 增加弹起效果 */
    box-shadow: 0 10px 28px rgba(52, 152, 219, 0.25), 0 0 22px rgba(74, 144, 226, 0.4); /* 蓝色阴影+发光 */
    border-color: #3498db; /* 添加蓝色边框 */
}

/* 点击效果 */
.news-item:active {
    transform: translateY(-1px) scale(0.98); /* 轻微缩小 */
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
}

/* 隐藏图片区域 */
.news-item .news-image {
    display: none;
}

.news-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: #3498db;
    color: #fff;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

/* 不同类别的标签颜色 */
.news-tag.tag-company {
    background-color: #3498db;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.news-tag.tag-industry {
    background-color: #e74c3c;
    box-shadow: 0 2px 8px rgba(231, 76, 60, 0.3);
}

.news-tag.tag-tech {
    background-color: #9b59b6;
    box-shadow: 0 2px 8px rgba(155, 89, 182, 0.3);
}

.news-tag.tag-event {
    background-color: #f39c12;
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
}

.news-item .news-content {
    flex: 1;
    padding: 20px 24px; /* 调整内边距 */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px; /* 调整间距 */
}

.news-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 4px;
    color: #95a5a6;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

/* 清理新闻条目中的图标与元信息 */
.news-meta {
    display: none !important;
}
.news-tag {
    display: none !important;
}

.news-meta i {
    margin-right: 5px;
    color: #3498db;
}

.news-content h3 {
    font-size: 1.2rem; /* 缩小字号 */
    margin-bottom: 0;
    color: #2c3e50;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: 600;
    transition: color 0.3s ease;
}

.news-item:hover .news-content h3 {
    color: #3498db;
}

.news-content p {
    color: #6c757d;
    line-height: 1.6; /* 缩小行高 */
    margin-bottom: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 最多2行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 0.9rem; /* 缩小字号 */
}

/* 新闻分页 */
/* 新闻分页 - 与客户案例按钮风格一致 */
/* 新闻分页 - 完全复制视频分页样式 */
.news-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    position: relative;
}

.news-pagination .page-btn {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4),
                0 0 0 0 rgba(74, 144, 226, 0.3);
    overflow: hidden;
}

.news-pagination .prev-btn {
    left: calc(50% - 700px);
}

.news-pagination .next-btn {
    right: calc(50% - 700px);
}

.news-pagination .page-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.news-pagination .page-btn:hover::before {
    width: 120%;
    height: 120%;
}

.news-pagination .page-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #4A90E2 0%, #3A7BC8 100%); /* 悬停时颜色加深 */
    transform: translateY(-50%) scale(1.15) translateY(-3px);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.6),
                0 0 0 8px rgba(74, 144, 226, 0.2),
                0 0 30px rgba(74, 144, 226, 0.3);
}

.news-pagination .page-btn:active {
    transform: translateY(-50%) scale(1.05) translateY(0);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4);
}

.news-pagination .page-btn i {
    position: relative;
    z-index: 1;
}

.news-pagination .page-btn:disabled {
    background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%);
    cursor: not-allowed;
    opacity: 0.5;
    box-shadow: none;
}

.news-pagination .page-btn:disabled:hover {
    transform: translateY(-50%) scale(1);
    box-shadow: none;
}

.news-pagination .page-numbers {
    display: flex;
    gap: 10px;
}

/* 页码按钮 - 圆点样式 */
.news-pagination .page-number {
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%); /* 灰色渐变 */
    border: none;
    border-radius: 50%; /* 圆形 */
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    padding: 0;
    font-size: 0; /* 默认隐藏数字 */
    color: transparent;
    transform-origin: center center; /* 确保从中心缩放 */
}

/* 页码按钮悬停效果 */
.news-pagination .page-number:hover {
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%); /* 图片中的明亮中蓝色 */
    transform: scale(1.3);
}

/* 激活状态 - 变成横条并显示数字 */
.news-pagination .page-number.active {
    width: 36px; /* 拉长为横条 */
    height: 28px;
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%); /* 图片中的明亮中蓝色渐变 */
    border-radius: 14px; /* 圆角矩形 */
    font-size: 0.85rem; /* 显示数字 */
    color: #fff; /* 白色数字 */
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(94, 179, 214, 0.4);
    transform-origin: center center; /* 确保从中心变换 */
    margin-top: -8px; /* 向上偏移8px，补偿高度增加 (28-12)/2 */
    margin-bottom: -8px;
}

/* 激活状态悬停 */
.news-pagination .page-number.active:hover {
    transform: scale(1.08);
    box-shadow: 0 3px 12px rgba(74, 144, 226, 0.6);
    transform-origin: center center; /* 确保从中心缩放 */
}

.read-more-btn {
    color: #4A90E2; /* 图片中的明亮中蓝色 */
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px; /* 缩小间距 */
    transition: all 0.3s ease;
    align-self: flex-start;
    font-size: 0.88rem; /* 缩小字号 */
    margin-top: auto;
    padding-top: 6px; /* 缩小上边距 */
}

.read-more-btn:hover {
    gap: 10px;
    color: #3A7BC8; /* 悬停时稍深的蓝色 */
}

.read-more-btn i {
    transition: transform 0.3s ease;
}

.read-more-btn:hover i {
    transform: translateX(3px);
}

/* 侧边栏样式 */
.news-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background-color: #fff;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.widget-title {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #3498db;
}

/* 热门新闻列表 */
.hot-news-list li {
    margin-bottom: 15px;
}

.hot-news-list a {
    display: flex;
    align-items: center;
    gap: 15px;
    transition: color 0.3s ease;
}

.hot-news-list a:hover {
    color: #3498db;
}

.hot-number {
    width: 30px;
    height: 30px;
    background-color: #3498db;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.hot-title {
    flex: 1;
    color: #2c3e50;
}

/* 分类列表 */
.category-list li {
    margin-bottom: 15px;
}

.category-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.category-list a:hover {
    color: #3498db;
}

.category-list i {
    margin-right: 10px;
    color: #3498db;
}

.category-list span {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    display: inline-block;
    padding: 8px 15px;
    background-color: #ecf0f1;
    border-radius: 20px;
    color: #2c3e50;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.tag:hover {
    background-color: #3498db;
    color: #fff;
}

/* 联系小部件 */
.contact-widget {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.contact-widget h3 {
    color: #fff;
}

.contact-widget p {
    margin-bottom: 20px;
}

.contact-widget .btn {
    background-color: #fff;
    color: #667eea;
}

.contact-widget .btn:hover {
    background-color: #f8f9fa;
}

/* ==================== 新闻详情页面样式 ==================== */
.news-detail-section {
    padding: 60px 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(245, 246, 247, 0.9) 30%, 
        rgba(240, 241, 243, 1) 60%, 
        rgba(248, 249, 250, 1) 100%);
    position: relative;
}

.news-detail-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(52, 152, 219, 0.03) 0%, 
        rgba(155, 89, 182, 0.02) 50%, 
        rgba(52, 152, 219, 0.03) 100%);
    pointer-events: none;
    z-index: 0;
}

.news-detail-section > * {
    position: relative;
    z-index: 1;
}

/* 新闻详情布局 */
.news-detail-layout {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

/* 新闻详情内容区域 */
.news-detail-content {
    background-color: #fff;
    border-radius: 12px;
    overflow: visible;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    position: relative;
}

.news-detail-article {
    padding: 40px;
}

/* 返回列表按钮 - 右侧固定跟随圆形 */
.back-to-list-btn-float {
    position: fixed !important;
    right: calc(50% - 700px);
    top: 50%;
    transform: translateY(-50%);
    padding: 14px 28px;
    background: linear-gradient(135deg, #84d9f5 0%, #5eb3d6 100%); /* 淡蓝色渐变 */
    border: none;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(132, 217, 245, 0.4),
                0 0 0 0 rgba(132, 217, 245, 0.3);
    z-index: 1000;
    white-space: nowrap;
    font-weight: 600;
    overflow: hidden;
    text-decoration: none;
}

/* 按钮背景光晕效果 */
.back-to-list-btn-float::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.back-to-list-btn-float:hover::before {
    width: 300%;
    height: 300%;
}

.back-to-list-btn-float i {
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.back-to-list-btn-float span {
    position: relative;
    z-index: 1;
}

.back-to-list-btn-float:hover {
    background: linear-gradient(135deg, #5eb3d6 0%, #3a9ec2 100%); /* 悬停时颜色加深 */
    transform: translateY(-50%) translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(94, 179, 214, 0.6),
                0 0 0 8px rgba(132, 217, 245, 0.2),
                0 0 30px rgba(94, 179, 214, 0.3);
}

.back-to-list-btn-float:hover i {
    transform: translateX(-3px);
}

.news-detail-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.news-detail-title {
    font-size: 2rem;
    color: #2c3e50;
    line-height: 1.4;
    margin-bottom: 15px;
    font-weight: 700;
}

.news-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: #7f8c8d;
    font-size: 0.95rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.meta-item i {
    color: #3498db;
}

.news-detail-image {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 30px;
}

.news-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-detail-summary {
    margin-bottom: 20px;
}

.news-detail-summary p {
    font-size: 1rem;
    color: #5a6a7a;
    line-height: 1.7;
    margin: 0;
}

.news-detail-body {
    color: #34495e;
    line-height: 1.8;
    font-size: 1rem;
}

/* 新闻正文表格样式 */
.news-detail-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.9rem;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid #e8eef3;
}

.news-detail-body table th,
.news-detail-body table td {
    padding: 14px 18px;
    text-align: left;
    border: 1px solid #e8eef3;
}

.news-detail-body table th {
    background: linear-gradient(135deg, #f8f9fa 0%, #eef2f7 100%);
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.85rem;
}

.news-detail-body table td {
    color: #5a6a7a;
    transition: all 0.2s ease;
}

.news-detail-body table tr:hover td {
    background: rgba(52, 152, 219, 0.04);
    color: #34495e;
}

/* 新闻正文代码块样式 */
.news-detail-body pre,
.news-detail-body code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.news-detail-body code {
    background: linear-gradient(135deg, #f5f7fa 0%, #eef2f7 100%);
    color: #e74c3c;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.news-detail-body pre {
    background: linear-gradient(145deg, #2c3e50 0%, #1a252f 100%);
    color: #ecf0f1;
    padding: 20px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 20px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    line-height: 1.6;
    font-size: 0.9rem;
}

.news-detail-body pre code {
    background: none;
    color: inherit;
    padding: 0;
    font-size: inherit;
}

.news-detail-footer {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.news-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.news-tags i {
    color: #7f8c8d;
}

.news-tags .tag {
    display: inline-block;
    padding: 6px 15px;
    background-color: #ecf0f1;
    border-radius: 20px;
    color: #2c3e50;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.news-tags .tag:hover {
    background-color: #3498db;
    color: #fff;
}

.news-share {
    display: flex;
    align-items: center;
    gap: 10px;
}

.news-share span {
    color: #7f8c8d;
    font-size: 0.95rem;
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #ecf0f1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c3e50;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background-color: #3498db;
    color: #fff;
    transform: translateY(-2px);
}

.news-navigation {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid #f0f0f0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #7f8c8d;
    transition: all 0.3s ease;
    padding: 15px 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    flex: 1;
    max-width: 48%;
}

.nav-link:hover {
    color: #3498db;
    background-color: #e9ecef;
}

.nav-link.prev-news {
    justify-content: flex-start;
}

.nav-link.next-news {
    justify-content: flex-end;
    text-align: right;
}

/* 新闻详情侧边栏 */
.news-detail-sidebar {
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

.sidebar-section {
    background-color: #fff;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.sidebar-title {
    font-size: 1.25rem;
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #3498db;
    font-weight: 600;
}

.back-to-list-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: #3498db;
    color: #fff;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
}

.back-to-list-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.hot-news-list {
    list-style: none;
}

.hot-news-item {
    margin-bottom: 20px;
}

.hot-news-item:last-child {
    margin-bottom: 0;
}

.hot-news-item a {
    display: flex;
    gap: 12px;
    transition: all 0.3s ease;
}

.hot-news-item a:hover {
    transform: translateX(3px);
}

.hot-news-thumb {
    width: 80px;
    height: 60px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
}

.hot-news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hot-news-info {
    flex: 1;
}

.hot-news-info h4 {
    font-size: 0.95rem;
    color: #2c3e50;
    line-height: 1.5;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.hot-news-item a:hover h4 {
    color: #3498db;
}

.hot-news-date {
    font-size: 0.85rem;
    color: #7f8c8d;
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 12px;
}

.category-list li:last-child {
    margin-bottom: 0;
}

.category-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background-color: #f8f9fa;
    border-radius: 6px;
    color: #2c3e50;
    transition: all 0.3s ease;
}

.category-list a:hover {
    background-color: #3498db;
    color: #fff;
    transform: translateX(3px);
}

.contact-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.contact-box .sidebar-title {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.contact-info-box {
    text-align: center;
}

.contact-info-box p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    color: #fff;
    font-size: 0.95rem;
}

.contact-info-box i {
    color: #fff;
}

.contact-btn {
    display: inline-block;
    padding: 10px 24px;
    background-color: #fff;
    color: #667eea;
    border-radius: 6px;
    font-weight: 500;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* ==================== 联系页面样式 ==================== */
.contact-info-section {
    padding: 60px 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(245, 246, 247, 0.9) 30%, 
        rgba(240, 241, 243, 1) 60%, 
        rgba(248, 249, 250, 1) 100%);
    position: relative;
}

.contact-info-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(52, 152, 219, 0.03) 0%, 
        rgba(155, 89, 182, 0.02) 50%, 
        rgba(52, 152, 219, 0.03) 100%);
    pointer-events: none;
    z-index: 0;
}

.contact-info-section > * {
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 2rem;
    color: #fff;
}

.contact-card h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.contact-card p {
    color: #7f8c8d;
    margin-bottom: 10px;
}

/* ==================== 联系信息横幅样式 ==================== */
.contact-info-banner {
    background: #f8f9fa;
    padding: 60px 0;
    margin-bottom: 0;
    border-bottom: 1px solid #e8e8e8;
}

.contact-info-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 5列布局 */
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 15px;
    padding: 0;
    background: transparent;
}

.contact-info-item i {
    font-size: 2.8rem;
    color: #3498db;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-info-item:hover i {
    color: #2980b9;
    transform: scale(1.1);
}

.contact-info-text h4 {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.contact-info-text p {
    font-size: 1.1rem;
    color: #2c3e50;
    margin: 0;
    font-weight: 600;
    line-height: 1.6;
}

/* ==================== 联系表单样式 ==================== */
.contact-form-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(245, 246, 247, 0.9) 30%, 
        rgba(240, 241, 243, 1) 60%, 
        rgba(248, 249, 250, 1) 100%);
    position: relative;
}

.contact-form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(52, 152, 219, 0.03) 0%, 
        rgba(155, 89, 182, 0.02) 50%, 
        rgba(52, 152, 219, 0.03) 100%);
    pointer-events: none;
    z-index: 0;
}

.contact-form-section > * {
    position: relative;
    z-index: 1;
}

.contact-layout {
    display: flex;
    justify-content: center; /* 水平居中 */
    align-items: flex-start; /* 顶部对齐 */
    max-width: 850px; /* 适应两列布局 */
    margin: 0 auto; /* 居中显示 */
}

.form-container {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 45px 50px; /* 缩小内边距 */
    border-radius: 20px; /* 更大的圆角 */
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    width: 100%; /* 占据全部宽度 */
    border: 1px solid #e8e8e8;
}

.form-container h2 {
    font-size: 1.9rem;
    color: #2c3e50;
    margin-bottom: 12px;
    text-align: center;
    font-weight: 700;
}

.form-subtitle {
    color: #7f8c8d;
    margin-bottom: 35px;
    text-align: center;
    font-size: 1rem;
}

/* 表单两列布局 - 更简洁美观 */
.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr; /* 两列布局 */
    gap: 20px 25px; /* 行间距 列间距 */
}

/* 表单组样式 */
.form-group {
    /* 由 grid gap 控制间距 */
}

/* 占据两列的表单项 */
.form-group.full-width {
    grid-column: 1 / -1; /* 占据全宽 */
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group label i {
    color: #3498db;
    margin-right: 5px;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background-color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    background-color: #f0f8ff;
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* 验证码组 */
.captcha-group {
    display: flex;
    gap: 10px;
}

.captcha-group input {
    flex: 1;
}

.captcha-code {
    flex: 0 0 100px;
    background: linear-gradient(135deg, #ecf0f1 0%, #d5dbdb 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1rem;
    letter-spacing: 2px;
    color: #2c3e50;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
    border: 2px solid #bdc3c7;
}

.captcha-code:hover {
    background: linear-gradient(135deg, #d5dbdb 0%, #bdc3c7 100%);
    transform: scale(1.02);
}

.refresh-btn {
    flex: 0 0 45px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border: none;
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.refresh-btn:hover {
    background: linear-gradient(135deg, #2980b9 0%, #1f6aa5 100%);
    transform: scale(1.05);
}

/* 提交按钮 */
.btn-submit {
    width: 100%;
    padding: 14px;
    font-size: 1.05rem;
    margin-top: 10px;
    border-radius: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-submit:hover {
    background: linear-gradient(135deg, #2980b9 0%, #1f6aa5 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(52, 152, 219, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.form-note {
    text-align: center;
    color: #7f8c8d;
    margin-top: 15px;
    font-size: 0.85rem;
}

/* 右侧栏样式 */
.contact-right {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.quick-contact,
.map-container,
.qr-codes {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.quick-contact h3,
.map-container h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-method:hover {
    background-color: #e8f4f8;
    transform: translateX(5px);
}

.contact-method i {
    font-size: 1.5rem;
    color: #3498db;
}

.contact-method h4 {
    color: #2c3e50;
    margin-bottom: 5px;
}

.contact-method p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 地图样式 */
.map-placeholder {
    border-radius: 10px;
    overflow: hidden;
}

.map-note {
    text-align: center;
    margin-top: 10px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 二维码样式 */
.qr-codes {
    display: flex;
    justify-content: space-around;
}

.qr-item {
    text-align: center;
}

.qr-item img {
    width: 100px;
    height: 100px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.qr-item p {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* ==================== 常见问题区域 ==================== */
.faq-section {
    padding: 80px 0;
    background-color: #fff;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.faq-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.faq-item h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.faq-item h3 i {
    color: #3498db;
    margin-right: 10px;
}

.faq-item p {
    color: #7f8c8d;
    line-height: 1.8;
}

/* ==================== 分页样式 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    padding: 10px 15px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #2c3e50;
}

.page-btn:hover,
.page-btn.active {
    background-color: #3498db;
    color: #fff;
    border-color: #3498db;
}

/* 产品分页导航样式
   说明：伟德bv1946官网页面的分页按钮和页码指示器
   特性：默认隐藏(display: none),由JavaScript根据产品数量控制是否显示
   样式：使用与客户案例、视频中心一致的淡蓝色渐变圆形按钮 */
.products-pagination {
    display: none; /* 默认隐藏,由JavaScript控制显示(产品数量>6个时显示) */
    align-items: center; /* 垂直居中对齐 */
    justify-content: center; /* 水平居中对齐 */
    gap: 20px; /* 元素之间间距20px */
    margin-top: 50px; /* 上边距50px */
}

/* 产品分页按钮 - 使用与客户案例相同的样式
   说明：上一页/下一页按钮,固定在页面两侧,跟随页面滚动
   样式：淡蓝色渐变圆形按钮,55x55px
   动画：悬停时放大、上移、发光,点击时缩小 */
.products-pagination .page-btn {
    width: 55px; /* 按钮宽度 */
    height: 55px; /* 按钮高度 */
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%); /* 图片中的明亮中蓝色渐变 */
    border: none; /* 无边框 */
    border-radius: 50%; /* 圆形 */
    color: #fff; /* 白色图标 */
    font-size: 1.3rem; /* 图标大小 */
    cursor: pointer; /* 鼠标指针样式 */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* 平滑过渡动画 */
    display: flex; /* 弹性布局 */
    align-items: center; /* 垂直居中 */
    justify-content: center; /* 水平居中 */
    position: fixed; /* 固定定位,跟随页面滚动 */
    top: 50%; /* 距离顶部50% */
    transform: translateY(-50%); /* Y轴上移50%实现垂直居中 */
    z-index: 1000; /* 层级最高,确保始终在最上层 */
    box-shadow: 0 8px 25px rgba(132, 217, 245, 0.4),
                0 0 0 0 rgba(132, 217, 245, 0.3); /* 双层阴影:主阴影+外发光 */
    overflow: hidden; /* 隐藏超出内容(用于::before伪元素动画) */
}

/* 按钮位置 - 上一页按钮在左侧 */
.products-pagination .prev-btn {
    left: calc(50% - 700px); /* 左侧位置:屏幕中心向左700px(容器左侧约100px处) */
}

/* 按钮位置 - 下一页按钮在右侧 */
.products-pagination .next-btn {
    right: calc(50% - 700px); /* 右侧位置:屏幕中心向右700px(容器右侧约100px处) */
}

/* 按钮背景光晕效果伪元素
   说明：悬停时从按钮中心向外扩散的白色光晕
   实现：初始大小0x0,悬停时扩大到120%x120% */
.products-pagination .page-btn::before {
    content: ''; /* 伪元素必须有content属性 */
    position: absolute; /* 绝对定位 */
    top: 50%; /* 距离顶部50% */
    left: 50%; /* 距离左侧50% */
    width: 0; /* 初始宽度0 */
    height: 0; /* 初始高度0 */
    border-radius: 50%; /* 圆形 */
    background: rgba(255, 255, 255, 0.3); /* 半透明白色 */
    transform: translate(-50%, -50%); /* 居中对齐 */
    transition: width 0.6s, height 0.6s; /* 宽高变化的过渡动画 */
}

/* 悬停时光晕扩大效果 */
.products-pagination .page-btn:hover::before {
    width: 120%; /* 宽度扩大到120% */
    height: 120%; /* 高度扩大到120% */
}

/* 按钮悬停效果 - 非禁用状态
   说明：鼠标悬停在按钮上时的动画效果
   效果：颜色加深、放大、上移、增强发光 */
.products-pagination .page-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #4A90E2 0%, #3A7BC8 100%); /* 悬停时背景颜色加深 */
    transform: translateY(-50%) scale(1.15) translateY(-3px); /* 复合变换:垂直居中+放大1.15倍+向上移3px */
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.6),  /* 主阴影增强 */
                0 0 0 8px rgba(74, 144, 226, 0.2),   /* 外圈光晕 */
                0 0 30px rgba(74, 144, 226, 0.3);     /* 外部发光 */
}

/* 按钮点击效果(激活状态)
   说昍：鼠标按下时的反馈效果 */
.products-pagination .page-btn:active {
    transform: translateY(-50%) scale(1.05) translateY(0); /* 复合变换:垂直居中+放大1.05倍+无Y轴偏移 */
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4); /* 减弱阴影 */
}

/* 按钮箭头图标样式 */
.products-pagination .page-btn i {
    position: relative; /* 相对定位 */
    z-index: 1; /* 层级高于::before伪元素 */
}

/* 按钮禁用状态
   说明：当在第一页时禁用“上一页”,在最后一页时禁用“下一页” */
.products-pagination .page-btn:disabled {
    background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%); /* 灰色渐变背景 */
    cursor: not-allowed; /* 禁止鼠标指针 */
    opacity: 0.5; /* 降低透明度 */
    box-shadow: none; /* 移除阴影 */
}

/* 禁用按钮悬停时不变化 */
.products-pagination .page-btn:disabled:hover {
    transform: translateY(-50%) scale(1); /* 保持原始大小和位置 */
    box-shadow: none; /* 无阴影 */
}

/* 页码指示器容器 */
.products-pagination .page-numbers {
    display: flex; /* 弹性布局 */
    gap: 12px; /* 圆点之间间距12px */
    align-items: center; /* 垂直居中对齐 */
}

/* 页码指示器 - 圆点样式
   说明：显示当前页码的圆点指示器,可点击跳转
   效果：默认为灰色小圆点(12x12px),激活时变为蓝色横条(36x28px)并显示页码数字
   交互：悬停时放大1.3倍,激活时从中心扩展为横条 */
.products-pagination .page-number {
    width: 12px; /* 默认宽度 */
    height: 12px; /* 默认高度 */
    background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%); /* 灰色渐变背景 */
    border: none; /* 无边框 */
    border-radius: 50%; /* 圆形 */
    cursor: pointer; /* 鼠标指针样式 */
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); /* 所有属性平滑过渡,使用缓动函数 */
    position: relative; /* 相对定位 */
    overflow: hidden; /* 隐藏超出内容 */
    padding: 0; /* 无内边距 */
    font-size: 0; /* 默认隐藏数字(字体大小为0) */
    color: transparent; /* 文字颜色透明(默认不显示数字) */
    transform-origin: center center; /* 确保从中心点缩放 */
}

/* 页码按钮悬停效果
   说明：鼠标悬停在圆点上时的效果 */
.products-pagination .page-number:hover {
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%); /* 图片中的明亮中蓝色 */
    transform: scale(1.3); /* 放大1.3倍 */
}

/* 页码激活状态 - 变成横条并显示数字
   说明：当前页码的显示样式
   效果：圆点从中心扩展为横条,并显示页码数字
   注意：使用负边距(margin-top/bottom: -8px)补偿高度增加,保持垂直居中 */
.products-pagination .page-number.active {
    width: 36px; /* 宽度拉长为横条 */
    height: 28px; /* 高度增加 */
    background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%); /* 图片中的明亮中蓝色渐变 */
    border-radius: 14px; /* 圆角矩形 */
    font-size: 0.85rem; /* 显示数字(设置字体大小) */
    color: #fff; /* 白色数字 */
    font-weight: 600; /* 字体加粗 */
    display: flex; /* 弹性布局(用于数字居中) */
    align-items: center; /* 垂直居中 */
    justify-content: center; /* 水平居中 */
    box-shadow: 0 2px 8px rgba(94, 179, 214, 0.4); /* 阴影 */
    transform-origin: center center; /* 确保从中心变换 */
    margin-top: -8px; /* 向上偏移8px,补偿高度增加 (28-12)/2 = 8px */
    margin-bottom: -8px; /* 向下偏移8px,补偿高度增加 */
}

/* 激活状态悬停效果 */
.products-pagination .page-number.active:hover {
    transform: scale(1.08); /* 轻微放大 */
    box-shadow: 0 3px 12px rgba(74, 144, 226, 0.6); /* 增强阴影 */
    transform-origin: center center; /* 确保从中心缩放 */
}

/* ==================== 文本居中工具类 ==================== */
.text-center {
    text-align: center;
    margin-top: 30px;
    display: block;
    width: 100%;
}

/* .btn-primary 样式已在上面定义，这里移除重复定义 */

/* ==================== 响应式设计 ====================
   说明：移动端适配样式，确保在不同屏幕尺寸下正常显示
   断点：768px以下为移动端，769px-1200px为平板，1200px以上为桌面端
   ============================================================================ */
@media (max-width: 1366px) {
    /* 移动端菜单按钮 */
    .menu-toggle {
        display: block;
        position: relative;
        z-index: 1001;
        font-size: 1.5rem; /* 缩小按钮 */
        padding: 0.3rem; /* 减小内边距 */
    }

    .nav-menu {
        position: fixed;
        right: -100%; /* 从右侧滑出 */
        left: auto; /* 取消左侧定位 */
        top: 60px;
        flex-direction: column;
        background-color: #fff;
        width: 280px; /* 限制宽度 */
        text-align: left;
        transition: 0.3s;
        box-shadow: -5px 10px 27px rgba(0,0,0,0.1); /* 左侧阴影 */
        padding: 15px 20px;
        gap: 0;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        font-size: 1.1rem;
        z-index: 999;
        margin-left: 0;
    }

    .nav-menu.active {
        right: 0; /* 滑入到右侧 */
    }

    .nav-menu li {
        width: 100%; /* 全宽 */
    }

    .nav-menu a {
        margin: 0;
        font-size: 1.05rem;
        padding: 15px 20px; /* 增加内边距 */
        display: flex;
        align-items: center;
        border-radius: 12px; /* 圆角 */
        transition: all 0.3s ease;
        color: #333;
    }

    .nav-menu a::before {
        display: none; /* 隐藏下划线 */
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        background: linear-gradient(135deg, #2196F3 0%, #87CEEB 100%); /* 渐变蓝色背景 */
        color: #fff;
        transform: translateX(0);
    }

    /* 平板设备下调整logo和导航栏 - 自适应 */
    .logo {
        font-size: 1.5rem;
        margin-left: 0;
        min-width: auto; /* 重置最小宽度 */
    }

    .logo img {
        height: clamp(40px, 6vw, 60px); /* 平板端自适应 */
        min-width: auto; /* 重置最小宽度 */
    }

    .logo i {
        font-size: 1.8rem;
    }

    .tel {
        min-width: auto; /* 重置最小宽度 */
    }

    .tel img {
        height: clamp(40px, 6vw, 60px); /* 平板端自适应 */
        min-width: auto; /* 重置最小宽度 */
    }

    .navbar {
        padding: 0.5rem 0.8rem;
        min-height: clamp(60px, 10vw, 80px);
        gap: 0.3rem;
        justify-content: space-between;
    }

    .header {
        min-height: clamp(60px, 10vw, 80px);
    }

    /* 平板端容器全宽 */
    .container {
        max-width: 100% !important;
        padding: 0 20px !important;
        width: 100% !important;
    }

    .navbar {
        max-width: 100% !important;
    }

    /* 首页所有section全宽 */
    .home-page section {
        width: 100% !important;
        max-width: 100% !important;
    }

    /* 确保首页内容全宽 */
    .home-page .container {
        max-width: 100% !important;
        width: 100% !important;
    }

    /* 首页优势区域平板端调整 */
    .advantages {
        padding: 60px 20px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .advantages-grid h1 {
        font-size: 1rem;
        line-height: 1.8;
    }

    /* 轮播图高度调整 */
    .slider-container {
        height: auto;
        width: 100%;
    }

    .slider {
        width: 100%;
    }

    .slide {
        width: 100%;
    }

    .slide img {
        width: 100%;
        height: auto;
        object-fit: cover; /* 覆盖填充，避免空白 */
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

    /* 布局调整 */
    .contact-layout {
        max-width: 100%; /* 平板端使用全宽 */
        padding: 0 20px; /* 添加左右内边距 */
    }

    .form-container {
        padding: 40px 30px;
    }

    /* 表单平板端保持两列布局 */
    .contact-form {
        gap: 18px 20px;
    }

    /* 联系信息横幅平板端三列 */
    .contact-info-banner {
        padding: 50px 0;
    }

    .contact-info-list {
        grid-template-columns: repeat(3, 1fr); /* 3列布局 */
        gap: 35px 25px;
    }

    /* 弹窗样式调整 - 平板设备 */
    .modal-content {
        max-width: 95%;
        width: 95%;
        margin: 10px;
    }

    .modal-body {
        flex-direction: column; /* 改为垂直布局 */
        padding: 30px;
        gap: 30px;
        min-height: auto;
    }

    .modal-image {
        width: 100%;
        max-width: 100%;
    }

    .modal-info {
        width: 100%;
    }

    /* 新闻项在平板设备保持横向布局,调整图片宽度 */
    .news-item {
        height: auto;
        min-height: 180px;
    }

    .news-item .news-image {
        display: none; /* 隐藏图片 */
    }

    .news-item .news-content {
        padding: 20px;
    }

    .news-content h3 {
        font-size: 1.2rem;
    }

    /* 常见问题布局 */
    .faq-grid {
        grid-template-columns: 1fr;
    }

    /* 客户Logo网格 - 平板设备 */
    .clients-scroll-wrapper {
        height: 700px; /* 平板端高度调整 */
        cursor: pointer; /* 提示可点击 */
    }

    /* 移动端暂停状态视觉反馈 */
    .clients-scroll-wrapper.paused {
        position: relative;
    }

    .clients-scroll-wrapper.paused::after {
        content: '❙❙ 点击继续';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: rgba(0, 0, 0, 0.7);
        color: #fff;
        padding: 15px 30px;
        border-radius: 30px;
        font-size: 1rem;
        z-index: 100;
        pointer-events: none;
    }

    .clients-grid {
        grid-template-columns: repeat(4, 1fr); /* 平板端4列 */
        gap: 20px;
    }

    .scroll-control-buttons {
        right: 20px;  /* 平板端简单定位到屏幕右侧 */
        gap: 10px;
    }

    .scroll-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .clients-title {
        font-size: 2.2rem;
    }

    .clients-subtitle {
        font-size: 1rem;
    }

    /* ==================== 平板设备分页按钮统一样式 ====================
       按钮在屏幕左右两边，垂直居中于视口，固定定位
       ============================================================================ */
    
    /* 通用分页容器 */
    .products-pagination,
    .videos-pagination,
    .clients-pagination,
    .news-pagination {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 15px;
        margin-top: 40px;
    }

    /* 通用分页按钮 - 固定在屏幕左右两侧，参考PC端伟德bv1946官网样式 */
    .products-pagination .page-btn,
    .videos-pagination .page-btn,
    .clients-pagination .page-btn,
    .news-pagination .page-btn {
        position: fixed;
        top: 50%;
        transform: translateY(-50%);
        width: 42px;
        height: 42px;
        padding: 0;
        font-size: 1rem;
        z-index: 100;
        background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%);
        border: none;
        border-radius: 50%;
        color: #fff;
        cursor: pointer;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 6px 20px rgba(132, 217, 245, 0.4);
        overflow: hidden;
    }

    /* 按钮背景光晕效果 */
    .products-pagination .page-btn::before,
    .videos-pagination .page-btn::before,
    .clients-pagination .page-btn::before,
    .news-pagination .page-btn::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.3);
        transform: translate(-50%, -50%);
        transition: width 0.5s, height 0.5s;
    }

    /* 悬停时光晕扩大 */
    .products-pagination .page-btn:hover::before,
    .videos-pagination .page-btn:hover::before,
    .clients-pagination .page-btn:hover::before,
    .news-pagination .page-btn:hover::before {
        width: 120%;
        height: 120%;
    }

    /* 按钮悬停效果 */
    .products-pagination .page-btn:hover:not(:disabled),
    .videos-pagination .page-btn:hover:not(:disabled),
    .clients-pagination .page-btn:hover:not(:disabled),
    .news-pagination .page-btn:hover:not(:disabled) {
        background: linear-gradient(135deg, #4A90E2 0%, #3A7BC8 100%);
        transform: translateY(-50%) scale(1.1);
        box-shadow: 0 10px 30px rgba(74, 144, 226, 0.5);
    }

    /* 按钮点击效果 */
    .products-pagination .page-btn:active,
    .videos-pagination .page-btn:active,
    .clients-pagination .page-btn:active,
    .news-pagination .page-btn:active {
        transform: translateY(-50%) scale(0.95);
        box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
    }

    /* 按钮禁用状态 */
    .products-pagination .page-btn:disabled,
    .videos-pagination .page-btn:disabled,
    .clients-pagination .page-btn:disabled,
    .news-pagination .page-btn:disabled {
        background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%);
        cursor: not-allowed;
        opacity: 0.5;
        box-shadow: none;
    }

    /* 禁用按钮悬停时不变化 */
    .products-pagination .page-btn:disabled:hover,
    .videos-pagination .page-btn:disabled:hover,
    .clients-pagination .page-btn:disabled:hover,
    .news-pagination .page-btn:disabled:hover {
        transform: translateY(-50%) scale(1);
        box-shadow: none;
    }

    /* 按钮图标层级 */
    .products-pagination .page-btn i,
    .videos-pagination .page-btn i,
    .clients-pagination .page-btn i,
    .news-pagination .page-btn i {
        position: relative;
        z-index: 1;
    }

    /* 上一页按钮 - 左边 */
    .products-pagination .prev-btn,
    .videos-pagination .prev-btn,
    .clients-pagination .prev-btn,
    .news-pagination .prev-btn {
        left: 10px;
        right: auto;
    }

    /* 下一页按钮 - 右边 */
    .products-pagination .next-btn,
    .videos-pagination .next-btn,
    .clients-pagination .next-btn,
    .news-pagination .next-btn {
        right: 10px;
        left: auto;
    }

    .videos-pagination .page-number {
        width: 12px;
        height: 12px;
        background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
        padding: 0;
        font-size: 0;
        color: transparent;
        transform-origin: center center;
    }

    .videos-pagination .page-number.active {
        width: 36px;
        height: 28px;
        background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%);
        border-radius: 14px;
        font-size: 0.85rem;
        color: #fff;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 8px rgba(94, 179, 214, 0.4);
        transform-origin: center center;
        margin-top: -8px;
        margin-bottom: -8px;
    }

    /* 视频网格 - 平板设备2列 */
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    /* 新闻详情页面 - 平板设备 */
    .news-detail-article {
        padding: 30px;
    }

    .news-detail-title {
        font-size: 1.75rem;
    }

    /* 返回按钮平板适配 */
    .back-to-list-btn-float {
        right: 20px; /* 固定右边距，避免超出屏幕 */
        font-size: 0.9rem;
        padding: 12px 24px;
    }
}

@media (max-width: 576px) {
    /* 手机端导航栏调整 - 自适应分辨率 */
    .logo {
        font-size: 1.3rem;
        margin-left: 0;
    }

    .logo i {
        font-size: 1.6rem;
    }

    .logo img {
        height: clamp(35px, 8vw, 50px); /* 自适应分辨率，最小35px，最夀50px */
    }

    .tel img {
        height: clamp(35px, 8vw, 50px); /* 自适应分辨率，最小35px，最夀50px */
    }

    .navbar {
        padding: 0.5rem 0.8rem;
        min-height: clamp(55px, 12vw, 70px); /* 导航栏高度自适应 */
        gap: 0.3rem;
    }

    .header {
        min-height: clamp(55px, 12vw, 70px);
    }

    .nav-menu {
        position: fixed;
        right: -100%;
        left: auto;
        top: clamp(55px, 12vw, 70px); /* 跟随导航栏高度 */
        max-height: calc(100vh - 70px);
        padding: 15px 20px;
        width: 260px;
        z-index: 998;
        border-radius: 0 0 0 15px;
    }

    .nav-menu a {
        padding: 14px 18px; /* 稍微调整 */
        font-size: 1rem;
    }

    .menu-toggle {
        font-size: 1.3rem; /* 进一步缩小按钮 */
        padding: 0.2rem;
    }

    /* 轮播图进一步调整 */
    .slider-container {
        height: auto;
        min-height: 0;
    }

    .slider {
        height: auto;
    }

    .slide {
        height: auto;
    }

    .slide img {
        width: 100%;
        height: auto;
    }

    /* 移动端指示器缩小并放在底部 */
    .slider-dots {
        bottom: 8px;
        gap: 6px;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .slide-content h1 {
        font-size: 1.5rem;
    }

    .slide-content p {
        font-size: 0.9rem;
    }

    /* 标题字体大小 */
    .section-title {
        font-size: 1.8rem;
    }

    /* 表单手机端改为单列布局 */
    .contact-form {
        grid-template-columns: 1fr; /* 单列布局 */
        gap: 18px;
    }

    .form-container {
        padding: 30px 20px;
        border-radius: 15px;
    }

    .form-container h2 {
        font-size: 1.8rem;
    }

    .form-subtitle {
        font-size: 0.95rem;
    }

    .contact-layout {
        padding: 0 10px;
    }

    /* 联系信息横幅手机端单列 */
    .contact-info-banner {
        padding: 45px 0;
    }

    .contact-info-list {
        grid-template-columns: 1fr;
        gap: 35px;
        padding: 0 20px;
    }

    .contact-info-item {
        gap: 12px;
    }

    .contact-info-item i {
        font-size: 2.3rem;
    }

    .contact-info-text h4 {
        font-size: 0.85rem;
    }

    .contact-info-text p {
        font-size: 1rem;
    }

    /* 客户Logo网格 - 手机设备 */
    .clients-scroll-wrapper {
        height: 600px; /* 手机端高度调整 */
    }

    .clients-grid {
        grid-template-columns: repeat(3, 1fr); /* 手机端3列 */
        gap: 15px;
    }

    .scroll-control-buttons {
        right: 15px;  /* 手机端距离屏幕右侧15px */
        gap: 10px;
    }

    .scroll-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    /* 新闻项在移动端改为垂直布局（无图片） */
    .news-item {
        flex-direction: column;
        height: auto;
    }

    .news-item .news-image {
        display: none; /* 隐藏图片 */
    }

    .news-item .news-content {
        padding: 20px;
    }

    .news-content h3 {
        font-size: 1.1rem;
        -webkit-line-clamp: 2;
    }

    .news-content p {
        font-size: 0.9rem;
        -webkit-line-clamp: 2;
    }

    /* 新闻详情页面 - 手机设备 */
    .news-detail-article {
        padding: 20px;
    }

    .news-detail-title {
        font-size: 1.5rem;
    }

    .news-detail-body {
        font-size: 0.95rem;
    }

    .news-navigation {
        flex-direction: column;
        gap: 15px;
    }

    .nav-link {
        max-width: 100%;
    }

    /* 返回按钮移动端适配 */
    .back-to-list-btn-float {
        right: 10px;
        font-size: 0.85rem;
        padding: 10px 16px;
    }
    
    .back-to-list-btn-float span {
        display: none;
    }
    
    .back-to-list-btn-float {
        padding: 12px;
        border-radius: 50%;
        width: 45px;
        height: 45px;
        justify-content: center;
    }

    .client-card {
        padding: 20px 15px;
        min-height: 100px;
    }

    .client-card img {
        max-height: 60px;
    }

    .clients-title {
        font-size: 1.8rem;
    }

    .clients-subtitle {
        font-size: 0.9rem;
    }

    /* 客户分页 - 手机设备 */
    .clients-pagination {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
    }

    .page-btn {
        padding: 10px 18px;
        font-size: 0.85rem;
        width: 100%;
        max-width: 150px;
    }

    .page-numbers {
        order: -1;
        gap: 8px;
    }

    .page-number {
        width: 38px;
        height: 38px;
        font-size: 0.85rem;
    }

    /* 视频分页 - 手机设备 */
    .videos-pagination {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
    }

    .videos-pagination .page-btn {
        padding: 10px 18px;
        font-size: 0.85rem;
        width: 100%;
        max-width: 150px;
    }

    .videos-pagination .page-numbers {
        order: -1;
        gap: 8px;
    }

    .videos-pagination .page-number {
        width: 12px;
        height: 12px;
        background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
        padding: 0;
        font-size: 0;
        color: transparent;
        transform-origin: center center;
    }

    .videos-pagination .page-number.active {
        width: 36px;
        height: 28px;
        background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%);
        border-radius: 14px;
        font-size: 0.85rem;
        color: #fff;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 8px rgba(94, 179, 214, 0.4);
        transform-origin: center center;
        margin-top: -8px;
        margin-bottom: -8px;
    }

    /* 产品分页 - 手机设备 */
    .products-pagination {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 20px;
        margin-top: 30px;
    }

    .products-pagination .page-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        position: fixed;
        top: 50%;
        transform: translateY(-50%);
    }

    .products-pagination .prev-btn {
        left: 15px;
    }

    .products-pagination .next-btn {
        right: 15px;
    }

    .products-pagination .page-numbers {
        order: -1;
        gap: 8px;
    }

    .products-pagination .page-number {
        width: 12px;
        height: 12px;
        background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
        padding: 0;
        font-size: 0;
        color: transparent;
        transform-origin: center center;
    }

    .products-pagination .page-number.active {
        width: 36px;
        height: 28px;
        background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%);
        border-radius: 14px;
        font-size: 0.85rem;
        color: #fff;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 8px rgba(94, 179, 214, 0.4);
        transform-origin: center center;
        margin-top: -8px;
        margin-bottom: -8px;
    }

    /* 新闻分页 - 手机设备 */
    .news-pagination {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 20px;
        margin-top: 30px;
    }

    .news-pagination .page-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        position: fixed;
        top: 50%;
        transform: translateY(-50%);
    }

    .news-pagination .prev-btn {
        left: 15px;
        right: auto; /* 清除PC端的right设置 */
    }

    .news-pagination .next-btn {
        right: 15px;
        left: auto; /* 清除PC端的left设置 */
    }

    .news-pagination .page-numbers {
        order: -1;
        gap: 8px;
    }

    .news-pagination .page-number {
        width: 12px;
        height: 12px;
        background: linear-gradient(135deg, #d0d0d0 0%, #a8a8a8 100%);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
        padding: 0;
        font-size: 0;
        color: transparent;
        transform-origin: center center;
    }

    .news-pagination .page-number.active {
        width: 36px;
        height: 28px;
        background: linear-gradient(135deg, #5BA3E8 0%, #4A90E2 100%);
        border-radius: 14px;
        font-size: 0.85rem;
        color: #fff;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 8px rgba(94, 179, 214, 0.4);
        transform-origin: center center;
        margin-top: -8px;
        margin-bottom: -8px;
    }

    /* 产品网格 */
    .products-grid,
    .cases-grid,
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    /* 移动端轮播图按钮缩小 */
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .slider-btn.prev {
        left: 10px;
    }

    .slider-btn.next {
        right: 10px;
    }

    /* 产品卡片文字自适应 */
    .product-info h3,
    .video-info h3 {
        font-size: 0.9rem;
        line-height: 1.3;
        margin-bottom: 8px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }

    .product-info p,
    .video-info p {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-bottom: 10px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .product-features span {
        font-size: 0.75rem;
        word-wrap: break-word;
    }

    .product-info,
    .video-info {
        padding: 12px;
    }

    /* 弹窗样式调整 - 手机设备 */
    .modal-content {
        max-width: 98%;
        width: 98%;
        margin: 5px;
        max-height: 95vh;
    }

    .modal-body {
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        min-height: auto;
    }

    .modal-info h2 {
        font-size: 1.6rem;
        margin-bottom: 15px;
    }

    .modal-info p {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .modal-specs h3,
    .modal-features h3 {
        font-size: 1.2rem;
    }

    .modal-specs li,
    .modal-features li {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }

    .close-modal {
        top: 10px;
        right: 15px;
        font-size: 2rem;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* 新闻项在移动端改为竖版布局 */
    .news-item {
        flex-direction: column;
        min-height: auto;
    }

    .news-item .news-image {
        flex: 0 0 auto;
        width: 100%;
        height: 200px;
    }

    .news-item .news-content {
        padding: 20px;
    }

    .news-content h3 {
        font-size: 1.15rem;
    }

    .news-content p {
        font-size: 0.9rem;
        -webkit-line-clamp: 2;
    }

    /* 视频切换按钮 - 手机设备 */
    .videos-pagination .page-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    .videos-pagination .prev-btn {
        left: 15px; /* 手机端距离左侧15px */
    }

    .videos-pagination .next-btn {
        right: 15px; /* 手机端距离右侧15px */
    }

    /* 新闻切换按钮 - 手机设备 */
    .news-pagination .page-btn {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }

    .news-pagination .prev-btn {
        left: 10px;
    }

    .news-pagination .next-btn {
        right: 10px;
    }
    
    /* 页码圆点也相应缩小 */
    .news-pagination .page-number {
        width: 8px;
        height: 8px;
    }
    
    .news-pagination .page-number.active {
        width: 28px;
        height: 22px;
        font-size: 0.75rem;
        margin-top: -7px;
        margin-bottom: -7px;
    }
}

/* 平板设备响应式样式 */
@media (min-width: 481px) and (max-width: 768px) {
    /* 视频切换按钮 - 平板设备 */
    .videos-pagination .page-btn {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }

    .videos-pagination .prev-btn {
        left: 25px; /* 平板端距离左侧25px */
    }

    .videos-pagination .next-btn {
        right: 25px; /* 平板端距离右侧25px */
    }

    /* 新闻切换按钮 - 平板设备 */
    .news-pagination .page-btn {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    .news-pagination .prev-btn {
        left: 20px;
    }

    .news-pagination .next-btn {
        right: 20px;
    }
    
    /* 页码圆点也相应缩小 */
    .news-pagination .page-number {
        width: 10px;
        height: 10px;
    }
    
    .news-pagination .page-number.active {
        width: 32px;
        height: 24px;
        font-size: 0.8rem;
        margin-top: -7px;
        margin-bottom: -7px;
    }
}

/* ==================== 图片预览弹窗样式 ==================== */
.image-preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-preview-overlay.active {
    opacity: 1;
}

.image-preview-container {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.image-preview-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.image-preview-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .image-preview-close {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .preview-image {
        max-height: 80vh;
    }
    
    /* 移动端页脚优化 */
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 25px 20px;
        margin-bottom: 15px;
    }
    
    .footer-section {
        text-align: left;
        min-width: 0;
        overflow: hidden;
    }
    
    .footer-social {
        align-items: flex-start;
        text-align: left;
    }
    
    .footer-section h3 {
        font-size: 1rem;
        margin-bottom: 12px;
        text-align: left;
    }
    
    .footer-section p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .footer-section ul {
        display: block;
    }
    
    .footer-social ul {
        display: flex;
        flex-direction: row;
        align-items: flex-start;
        gap: 15px;
    }
    
    .footer-section ul li {
        margin-bottom: 8px;
        font-size: 0.85rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .contact-info li {
        display: block;
        margin-bottom: 8px;
        text-align: left;
    }
    
    .social-links {
        margin-top: 10px;
        gap: 10px;
        justify-content: flex-start;
    }
    
    .social-links a {
        width: 32px;
        height: 32px;
    }
    
    .footer-bottom {
        padding-top: 15px;
    }
    
    .footer-bottom p {
        font-size: 0.75rem;
    }
    
    .social-qrcode-group {
        gap: 15px;
        justify-content: center;
    }
    
    .social-qrcode-item .social-label {
        font-size: 11px;
    }
    
    .social-qrcode-item .social-icon {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .social-qrcode-item .qrcode-popup img {
        width: 80px;
        height: 80px;
    }
}

/* ==================== 导航栏布局偏移修复 ====================
   说明：防止页面刷新时导航栏的闪烁/偏移问题
   ============================================================================ */
@media (max-width: 768px) {
    .logo {
        min-width: auto !important;
    }
    .logo img {
        min-width: auto !important;
    }
    .tel {
        min-width: auto !important;
    }
    .tel img {
        min-width: auto !important;
    }
}