* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
 }

 body {
    font-family: '微软雅黑', sans-serif;
    color: #333;
    line-height: 1.6;
 }

a{
text-decoration:none;
}
#side-menu{
display:none;
}.solutions-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
}

.solution-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column; /* 垂直排列 */
}

.solution-item a {
    color: #333; /* 恢复默认文字颜色 */
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.solution-item img {
    width: 100%;
    height: 200px;
    /**object-fit: cover;**/
    transition: transform 0.3s;
    border-radius: 8px 8px 0 0; /* 圆角仅在上方 */
}

.solution-caption {
    padding: 15px;
    background: #fff;
    border-radius: 0 0 8px 8px;
    flex-grow: 1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.solution-caption h3 {
    margin: 0;
    font-size: 16px;
    color: #333;
    line-height: 1.4;
    text-align: center;
}

/* 悬停效果 */
.solution-item:hover img {
    transform: scale(1.05);
}

.solution-item:hover .solution-caption {
    background: #f8f9fa;
}
.right-content{
	max-width:1200px;
}
.right-content img{
   max-width:100%;
}
 /* 手机端专属样式 */
@media (max-width: 768px) {
  .header {
    padding: 12px 5%;
    flex-wrap: wrap;
  }

  .nav {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 80%;
    height: calc(100vh - 70px);
    background: #fff;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 20px 5%;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    transition: left 0.3s ease;
  }

  .nav.active {
    left: 0;
  }

  .nav-item {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
  }

  .dropdown {
    position: static;
    display: none;
    box-shadow: none;
    opacity: 1;
    transform: none;
    margin-top: 10px;
    background: #f8f9ff;
height: 400px;
    overflow: auto;
  }

  .dropdown li {
    padding: 10px 15px;
    font-size: 13px;
  }

  /* 汉堡菜单 */
  .hamburger {
    display: block;
    width: 24px;
    height: 20px;
    position: relative;
    cursor: pointer;
    order: 2;
  }

  .hamburger span {
    position: absolute;
    height: 2px;
    width: 100%;
    background: #333;
    transition: all 0.3s;
  }

  .hamburger span:nth-child(1) { top: 0; }
  .hamburger span:nth-child(2) { top: 9px; }
  .hamburger span:nth-child(3) { bottom: 0; }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .ctas {
    order: 3;
    margin-left: auto;
    gap: 15px;
  }

  .free-trial {
    padding: 10px 20px;
    font-size: 14px;
    animation: none; /* 手机端关闭动画 */
  }
}

 /* 头部导航 */
 .header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.97);
    padding: 15px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
 }




 /* 新增的布局控制 */
 /*.logo { order: 1; } */
 /* 保持logo在最左侧 */

 .logo img {
    height: 45px;
    transition: transform 0.3s;
 }

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

 /* 导航菜单 */
 .nav {
    display: flex;
    gap: 35px;
    order: 2;
    /* 新增 */
    margin-right: auto;
    /* 新增 */
    margin-left: 40px;
    /* 新增 */
 }

 .nav-item {
    position: relative;
    padding: 12px 0;
    cursor: pointer;
    transition: color 0.3s;
    font-size: 16px;
    color: #333;
 }
 .nav-item a{
   color:#333;
   text-decoration: none;
 }

 .nav-item a:hover {
    color: #2a7de1;
 }

 /* 美化下拉菜单 */
 .dropdown {
    position: absolute;
    top: 120%;
    left: -20px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 220px;
    list-style: none;
    /* 新增 */
    padding: 10px 0;
    /* 新增 */

height: 500px;
    overflow: auto;
 }

 .nav-item:hover .dropdown {
    display: block;
    opacity: 1;
    transform: translateY(0);
 }

 .dropdown li {
    padding: 9px 25px;
    font-size: 14px;
    transition: all 0.2s;
    border-bottom: 1px solid #f5f5f5;
    color: #333;
    /* 新增 */
    line-height: 1.5;
    /* 新增 */
 }

 .dropdown li:hover {
    background: #f0f6ff;
    border-left: 3px solid #2a7de1;
    /* 新增左侧装饰线 */
 }

 /* 右侧功能区 */
 .ctas {
    display: flex;
    align-items: center;
    gap: 30px;
    order: 3;
    /* 新增 */
 }

 .free-trial {
    background: #2a7de1;
    color: white !important;
    padding: 12px 28px;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: pulse 2s infinite;
    text-decoration: none;
 }

 .free-trial:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(42, 125, 225, 0.3);
 }

 .customer-service {
    color: #666;
    font-size: 14px;
    white-space: nowrap;
 }

 /* 脉冲动画 */
 @keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(42, 125, 225, 0.3);
    }

    70% {
        box-shadow: 0 0 0 12px rgba(42, 125, 225, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(42, 125, 225, 0);
    }
 }

 /* 手机端适配 */
 @media (max-width: 768px) {
    .customer-service {
        display: none;
        /* 手机端隐藏客服电话 */
    }



    .free-trial {
        padding: 10px 20px;
        font-size: 14px;
    }

    .nav {
        gap: 20px;
        margin-left: 20px;
    }
 }


 /* 轮播图 */
.swiper-container {
    margin-top: 80px;
    position: relative;
    width: 100vw; /* 新增 */
    left: 50%;
    transform: translateX(-50%);
    overflow-x: hidden; /* 关键属性 */
}

.swiper-wrapper {
    max-width: 100%; /* 限制最大宽度 */
    overflow: visible; /* 允许滑动区域溢出 */
}

.swiper-slide {
    position: relative;
    width: 100% !important; /* 强制宽度 */
}

.swiper-slide img {
    width: 100%;
    <!--object-fit: cover;
    object-position: center;-->
    display: block; /* 消除图片底部间隙 */
}



 .swiper-pagination {
    bottom: 10px !important;
 }

 .swiper-pagination-bullet {
    width: 14px;
    height: 14px;
    background: gray;
    transition: all 0.3s;
    opacity: 1;
 }

 .swiper-pagination-bullet-active {
    background: #2a7de1;
    transform: scale(1.4);
 }

 /* 核心功能 */
 .section {
    padding: 100px 8%;
    background: #f8f9fa;
 }

 .section-title {
    font-size: 36px;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
 }

 .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #2a7de1;
 }

 .section-desc {
    color: #666;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    font-size: 16px;
 }

 .features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
 }

 .feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
 }

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

 .feature-icon {
    font-size: 40px;
    color: #2a7de1;
    margin-bottom: 20px;
 }

 .feature-title {
    font-size: 18px;
    margin-bottom: 15px;
    color: #1a1a1a;
 }

 .feature-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
 }

 @media (max-width: 768px) {
    .section {
        padding: 60px 5%;
    }

    .section-title {
        font-size: 28px;
        padding-bottom: 12px;
        margin-bottom: 15px;
    }

    .section-title::after {
        width: 40px;
        height: 2px;
    }

    .section-desc {
        font-size: 14px;
        margin-bottom: 40px;
        padding: 0 10px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 25px 20px;
        margin: 0 10px;
    }

    .feature-icon {
        font-size: 32px;
        margin-bottom: 15px;
    }

    .feature-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .feature-desc {
        font-size: 13px;
        line-height: 1.6;
    }

    /* 移动端禁用悬停效果 */
    .feature-card:hover {
        transform: none;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    }
}

 /* 行业解决方案 */
 .solutions-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
 }

 .solution-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
 }
 .solution-item a{
color:#fff;
}
 .solution-item img {
    width: 100%;
    height: 200px;
    /**object-fit: cover;**/
    transition: transform 0.3s;
 }

 .solution-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 20px;
    color: #fff;
 }

 /* 关于我们 */
 .about-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    padding: 80px 8%;
 }

 .video-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
 }

 .video-poster {
    width: 100%;
    cursor: pointer;
 }

 .play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
 }

 .play-btn:hover {
    background: #fff;
    transform: translate(-50%, -50%) scale(1.1);
 }

 /* 新闻资讯 */
 /* .news-section {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            padding: 0 8% 100px;
        }*/
 .news-column h3 {
    border-left: 4px solid #2a7de1;
    padding-left: 15px;
    margin-bottom: 25px;
 }

 .news-item {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #eee;
   height: 50px;
    overflow: hidden;
    line-height: 50px;
 }
 .news-item a{
   color:#333;
   width:80%;
}
 .news-date {
    color: #999;
    font-size: 14px;
 }

 .news-section {
    padding: 80px 8%;
    background: #f8f9fa;
 }

 .news-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 40px;
 }

 .news-column h3 {
    border-left: 4px solid #2a7de1;
    padding-left: 15px;
    margin-bottom: 25px;
 }


 /* 底部导航 */
 .footer {
    background: #2a2a2a;
    color: #fff;
    padding: 60px 8%;
 }

 .footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid #444;
 }

 .footer-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3a3a3a;
 }

 .footer-col ul {
    list-style: none;
    padding-left: 0;
 }

 .footer-col li {
    margin-bottom: 12px;
    font-size: 14px;
    opacity: 0.9;
 }

 .copyright {
    text-align: center;
    padding-top: 30px;
    color: #999;
 }




 /* 响应式适配 */
 @media (max-width: 768px) {
    .nav {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-nav {
        grid-template-columns: 1fr;
    }

    .news-columns {
        grid-template-columns: 1fr;
    }

    .fixed-form {
        display: none;
    }
 }



 /* 修复后的下拉菜单 */
 .dropdown {
    position: absolute;
    top: 100%;
    left: -20px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 220px;
    z-index: 1001;
 }

 .nav-item:hover .dropdown {
    display: block;
    opacity: 1;
    transform: translateY(0);
 }

 .dropdown li {
    padding: 9px 25px;
    font-size: 14px;
    transition: all 0.2s;
    border-bottom: 1px solid #f5f5f5;
 }


 /* 修复后的底部导航 */
 .footer {
    background: #2a2a2a;
    color: #fff;
    padding: 80px 8% 40px;
 }

 .footer-content {
    display: grid;
    grid-template-columns: 1.2fr 1.5fr 1fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid #444;
 }

 .footer-logo img {
    height: 45px;
    margin-bottom: 20px;
 }

 .footer-contact {
    color: #ccc;
    line-height: 1.8;
 }

 .footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
 }

 .footer-nav-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3a3a3a;
 }

 .footer-nav-col ul {
    list-style: none;
    padding-left: 0;
 }

 .footer-nav-col li {
    margin-bottom: 12px;
    font-size: 14px;
 }

.footer-nav-col li a{
    color:#fff;
}

 .qrcode {
    width: 150px;
    margin-top: 20px;
 }


 /* 固定定位表单容器 */
 .fixed-form {
    box-sizing: border-box;
    width: 100%;
    max-width: 300px;
    padding: 24px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    font-family: 'Helvetica Neue', system-ui, sans-serif;
    position: fixed;
    right: 10px;
    bottom: 10px;
    z-index: 999;
 }

 /* 标题样式 */
 .fixed-form h3 {
    margin: 0 0 24px 0;
    font-size: 20px;
    color: #1a1a1a;
    text-align: center;
    position: relative;
    padding-bottom: 12px;
 }

 .fixed-form h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: #1890ff;
 }

 /* 统一表单元素样式 */
 .fixed-form select,
 .fixed-form input {
    width: 100%;
    margin-bottom: 16px;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s ease;
 }

 /* 输入框聚焦状态 */
 .fixed-form select:focus,
 .fixed-form input:focus {
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
    outline: none;
 }

 /* 下拉菜单箭头 */
 .fixed-form select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M7 10l5 5 5-5' stroke='%23999999' stroke-width='2'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
 }

 /* 按钮样式 */
 .fixed-form button {
    width: 100%;
    padding: 14px;
    background: #1890ff;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
 }

 .fixed-form button:hover {
    background: #40a9ff;
    transform: translateY(-1px);
 }

 /* 移动端适配 */
 @media (max-width: 480px) {
    .fixed-form {
        max-width: none;
        margin: 12px;
        padding: 20px;
    }

    .fixed-form h3 {
        font-size: 18px;
    }
 }

 /* 输入占位符样式 */
 .fixed-form ::placeholder {
    color: #999999;
    opacity: 1;
 }

 /* 友情链接模块 */
.partner-links {
    background: #f8f9ff;
    padding: 60px 8%;
    border-top: 1px solid #e8eef7;
}

.links-container {
    
    margin: 0 auto;
}

.links-title {
    font-size: 1.6em;
    color: #1a2945;
    margin-bottom: 30px;
    padding-bottom: 15px;
    position: relative;
    display: inline-block;
}

.links-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50%;
    height: 2px;
    background: #2a7de1;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.link-item {
    display: block;
    padding: 14px 20px;
    background: #fff;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid #e8eef7;
    text-align: center;
    text-decoration: none;
}

.link-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 12px rgba(42,125,225,0.1);
    border-color: #2a7de1;
    color: #2a7de1;
}

.link-text {
    color: #333;
    font-size: 0.95em;
    font-weight: 500;
    transition: color 0.2s;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .links-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    .link-item {
        padding: 12px 15px;
    }
}

/* 右侧悬浮客服 */
.fixed-sidebar {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 999;
    transition: all 0.3s;
}

.service-box {
    background: rgba(255,255,255,0.96);
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(26,115,232,0.15);
    padding: 15px 10px;
    backdrop-filter: blur(5px);
}

.service-item {
    width: 40px;
    height: 40px;
    margin: 12px 0;
    border-radius: 50%;
    background: #f8fafd;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-item:hover {
    transform: translateX(-10px) scale(1.1);
    background: #1a73e8;
    box-shadow: 0 3px 15px rgba(26,115,232,0.3);
}

.service-item:hover i {
    color: white !important;
}

.service-item i {
    color: #1a73e8;
    font-size: 18px;
    transition: color 0.3s;
}

.service-item span {
    position: absolute;
    right: 50px;
    white-space: nowrap;
    background: #1a73e8;
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.service-item:hover span {
    opacity: 1;
}

.phone-item span {
    background: #09bb07;
    right: 55px;
    writing-mode: horizontal-tb; /* 移除垂直显示 */
    padding: 6px 15px;
    letter-spacing: normal; /* 恢复正常字间距 */
    width: auto; /* 取消固定宽度 */
    text-align: center;
    top: 50%;
    transform: translateY(-50%);
}

/* 微信二维码特效 */
.wechat-qrcode {
    position: absolute;
    right: 60px;
    bottom: -30px;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s;
    visibility: hidden;

    /* right: 70px;
    bottom: auto;
    top: 50%;*/
    transform: translateY(-50%) scale(0.8);
}

.wechat-item:hover .wechat-qrcode {
    opacity: 1;
    transform: scale(1);
    visibility: visible;
      transform: translateY(-50%) scale(1);
}

.wechat-qrcode img {
    width: 150px;
    height: 150px;
    margin-bottom: 10px;
}

.wechat-qrcode p {
    color: #666;
    font-size: 12px;
    text-align: center;
}

/* 手机号特殊样式 */
.phone-item span {
    background: #09bb07;
    right: 65px;
}

.phone-number {
    writing-mode: vertical-rl;
    letter-spacing: 2px;
}

/* 响应式隐藏 */
@media (max-width: 768px) {
    .fixed-sidebar {
        display: none;
    }
}

/* .solution-banner::after{
content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 100%;
            height: 40px;
            background: #f8fafd;
            clip-path: polygon(
                0 70%, 
                10% 60%,
                20% 65%,
                30% 55%,
                40% 70%,
                50% 50%,
                60% 65%,
                70% 55%,
                80% 60%,
                90% 65%,
                100% 50%
            );
            transform: rotate(0.5deg);
}*/

.case-banner::after{
content: none!important;
}

.solution-banner::after{
content: none!important;
}

 @media (max-width: 768px) {
    .solutions-grid {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.solution-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
    width: 100%; /* 确保每个 item 占满宽度 */
}

.solution-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s;
}

.solution-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 20px;
    color: #fff;
}
.about-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 40px 5%;
}

.about-content {
    order: 1; /* 确保LOGO和文字介绍在上 */
}

.video-wrapper {
    order: 2; /* 确保视频在下 */
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.video-poster {
    width: 100%;
    cursor: pointer;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.play-btn:hover {
    background: #fff;
    transform: translate(-50%, -50%) scale(1.1);
}

.footer {
    background: #2a2a2a;
    color: #fff;
    padding: 40px 5%; /* 调整内边距以适应手机端 */
}

.footer-content {
    display: flex;
    flex-direction: column; /* 设置为垂直排列 */
    gap: 30px; /* 调整元素之间的间距 */
    padding-bottom: 30px;
    border-bottom: 1px solid #444;
}

.footer-col {
    width: 100%; /* 确保每个列占满宽度 */
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3a3a3a;
}

.footer-col ul {
    list-style: none;
    padding-left: 0;
}

.footer-col li {
    margin-bottom: 10px;
    font-size: 14px;
    opacity: 0.9;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 15px; /* 增加 logo 与下方内容的间距 */
}

.footer-contact p {
    margin-bottom: 10px; /* 调整联系信息的间距 */
}

.qrcode {
    width: 100px; /* 调整二维码大小 */
    margin-bottom: 15px; /* 增加二维码与下方内容的间距 */
}



/**手机端菜单**/
/* 汉堡菜单样式 */
.hamburger {
    display: none; /* 默认隐藏，仅在手机端显示 */
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #000;
    margin: 4px 0;
}

/* 侧边栏菜单样式 */
.side-menu {
    width: 250px;
    height: 100%;
    position: fixed;
    top: 0;
    left: -250px;
    background: #333;
    color: #fff;
    transition: left 0.3s ease;
}

.side-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.side-menu ul li {
    padding: 15px;
    border-bottom: 1px solid #444;
}

.side-menu ul li a {
    color: #fff;
    text-decoration: none;
}



/**手机端菜单**/
/* 汉堡菜单样式 */
.hamburger {
    display: none; /* 默认隐藏，仅在手机端显示 */
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #000;
    margin: 4px 0;
}

/* 侧边栏菜单样式 */
.side-menu {
    width: 250px;
    height: 100%;
    position: fixed;
    top: 0;
    left: -250px;
    background: #333;
    color: #fff;
    transition: left 0.3s ease;
}

.side-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.side-menu ul li {
    padding: 15px;
    border-bottom: 1px solid #444;
}

.side-menu ul li a {
    color: #fff;
    text-decoration: none;
}

/* 手机端显示汉堡菜单 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    .nav {
        display: none;
    }
}
/* 手机端显示汉堡菜单 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    .nav {
        display: none;
    }
}

/* 默认隐藏手机端下拉菜单 */
.side-menu {
    display: none;
}

/* 在手机端显示下拉菜单 */
@media (max-width: 768px) {
    .side-menu {
        display: block!important;
    }
}