/* ============================================
   基础样式重置和通用样式
   ============================================ */

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* HTML基础设置 */
html {
    scroll-behavior: smooth; /* 平滑滚动 */
}

/* 页面主体样式 */
body {
    font-family: "Microsoft YaHei", "SimHei", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden; /* 隐藏横向滚动条 */
}

/* 容器样式（最大宽度1200px，居中显示） */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* 链接样式重置 */
a {
    text-decoration: none;
    color: inherit;
}

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

/* 按钮样式重置 */
button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ============================================
   顶部导航栏样式
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    box-shadow: none !important;
    z-index: 1000;
    padding: 15px 0;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);

}


.header.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
}

/* 导航栏容器 - 使用flex布局，左右分布 */
.header .container {
    display: flex;
    justify-content: space-between; /* 左右分布 */
    align-items: center; /* 垂直居中 */
}
.header-home {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.3) !important;
    box-shadow: none !important;
    z-index: 1000;
    padding: 15px 0;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);

}

.header-home.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
}

/* 导航栏容器 - 使用flex布局，左右分布 */
.header-home .container {
    display: flex;
    justify-content: space-between; /* 左右分布 */
    align-items: center; /* 垂直居中 */
}
/* Logo图片样式 */
.logo {
    position: relative;
    height: 50px; /* 固定高度，避免切换时跳动 */
    display: inline-block; /* 确保容器有宽度 */
    vertical-align: middle;
    min-width: 100px; /* 给容器一个最小宽度，确保图片能显示 */
}

.logo .logo-img {
    position: absolute;
    top: 0;
    left: 0;
    height: 40px;
    width: auto;
    max-width: none; /* 确保图片不被压缩 */
    object-fit: contain;
}

/* 第一个logo图片（透明背景）作为参考，给容器提供宽度 */
.logo .logo-img:first-child {
    position: relative; /* 第一个图片相对定位，给容器提供宽度 */
}

.logo .logo-img:not(:first-child) {
    position: absolute; /* 其他图片绝对定位，重叠在第一个图片上 */
    top: 0;
    left: 0;
}

/* 导航菜单列表 - 横向排列 */
.nav-list {
    display: flex;
    gap: 30px; /* 菜单项间距 */
    align-items: center;
   
}

/* 导航链接样式 - 初始为白色 */
.nav-list a {
    font-size: 16px;
    color: #333; /* 初始白色（在透明背景上可见） */
    transition: color 0.3s; /* 颜色过渡动画 */
    position: relative;
}
.nav-list-home a{
    color: #ffffff;
}

/* 滚动后导航链接变为深色 */
.header.scrolled .nav-list a {
    color: #333; /* 滚动后变为深色（在白色背景上可见） */
}
.header-home.scrolled .nav-list a {
    color: #333; /* 滚动后变为深色（在白色背景上可见） */
}
.nav-list a:hover,
.nav-list a.active {
    /* color: #3364FF; */
    font-weight: bold;
}

.header.scrolled .nav-list a:hover,
.header.scrolled .nav-list a.active {
    color: #3364FF;
}
.header-home.scrolled .nav-list a:hover,
.header-home.scrolled .nav-list a.active {
    color: #3364FF;
}
.nav-list a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    /* background: #3364FF; */
}

/* ============================================
   二级菜单样式（桌面端下拉菜单）
   ============================================ */

/* 有子菜单的导航项 - 相对定位 */
.nav-item-has-submenu {
    position: relative;
}

/* 二级菜单容器 - 绝对定位，默认隐藏 */
.nav-item-has-submenu .submenu {
    position: absolute; /* 绝对定位 */
    top: 100%; /* 位于父元素下方 */
    left: 0;
    background: rgba(255, 255, 255, 0.95); /* 半透明白色背景 */
    min-width: 150px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); /* 阴影效果 */
    opacity: 0; /* 初始透明 */
    visibility: hidden; /* 初始隐藏 */
    transform: translateY(-10px); /* 初始向上偏移 */
    transition: all 0.3s ease; /* 过渡动画 */
    z-index: 1000;
    margin-top: 10px;
    border-radius: 4px;
    padding: 8px 0;
    list-style: none;
}

.header.scrolled .nav-item-has-submenu .submenu {
    background: white;
}
.header-home.scrolled .nav-item-has-submenu .submenu {
    background: white;
}
.nav-item-has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-item-has-submenu .submenu li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item-has-submenu .submenu a {
    display: block;
    padding: 10px 20px;
    color: #333;
    font-size: 14px;
    transition: all 0.3s;
    white-space: nowrap;
    font-weight: normal;
}

.nav-item-has-submenu .submenu a:hover {
    background: #f5f5f5;
    color: #3364FF;
}

/* ============================================
   移动端菜单切换按钮（汉堡菜单）
   ============================================ */

/* 移动端菜单切换按钮 - 默认隐藏，移动端显示 */
.mobile-menu-toggle {
    display: none; /* 桌面端隐藏 */
    flex-direction: column; /* 纵向排列三条线 */
    gap: 5px; /* 线条间距 */
    cursor: pointer; /* 鼠标指针 */
    padding: 8px;
    border-radius: 4px;
    transition: all 0.3s;
    position: relative;
    z-index: 1001; /* 确保在菜单之上 */
    -webkit-tap-highlight-color: transparent; /* 移除移动端点击高亮 */
    pointer-events: auto; /* 确保可点击 */
    user-select: none; /* 禁止文本选择 */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* 汉堡菜单的三条线 */
.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333; /* 深色线条 */
    transition: all 0.3s;
    pointer-events: none; /* 点击事件穿透到父元素 */
}

.header.scrolled .mobile-menu-toggle {
    background: transparent;
}

.header.scrolled .mobile-menu-toggle span {
    background: #333;
    box-shadow: none;
}
.header-home.scrolled .mobile-menu-toggle {
    background: transparent;
}

.header-home.scrolled .mobile-menu-toggle span {
    background: #333;
    box-shadow: none;
}
/* ============================================
   首页轮播横幅区域样式
   ============================================ */

/* 轮播横幅容器 - 全屏高度 */
.hero {
    position: relative;
    width: 100%;
    height: 100vh; /* 视口高度 */
    min-height: 600px; /* 最小高度 */
    overflow: hidden; /* 隐藏溢出内容 */
}

.hero-carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden; /* 隐藏溢出内容 */
}

/* 轮播图幻灯片包装器 - 横向排列 */
.hero-slides-wrapper {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); /* 平滑滑动动画 */
    will-change: transform; /* 优化性能 */
    cursor: grab; /* 鼠标悬停时显示抓取光标 */
    user-select: none; /* 防止拖动时选中文本 */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* 拖动时的光标样式 */
.hero-slides-wrapper:active {
    cursor: grabbing;
}

.hero-slide {
    /*position: absolute;*/
    /*top: 0;*/
    /*left: 0;*/
    position: relative;
    flex: 0 0 100%; /* 每个幻灯片占100%宽度，不收缩不扩展 */
    width: 100%;
    height: 100%;
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    /*opacity: 0;*/
    /*transition: opacity 1s ease-in-out;*/
    /*z-index: 1;*/
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*background: linear-gradient(rgba(0, 102, 204, 0.5), rgba(0, 102, 204, 0.5));*/
    z-index: -1;
}

/*.hero-slide.active {*/
/*    opacity: 1;*/
/*    z-index: 2;*/
/*}*/

.hero-content {
    z-index: 2;
    max-width: 1200px;
    padding: 0 20px;
}

.hero-title {
    font-size: 88px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
    font-family: DFPSongW12-GB, DFPSongW12-GB;
    text-shadow:
    -3px -3px 0 #263A52,  
     2px -2px 0 #263A52,
    -2px  2px 0 #263A52,
     2px  2px 0 #263A52; /* 黑色阴影在文字的四个方向上 */
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    margin-bottom: 15px;
}

.hero-desc {
    font-size: 16px;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}
/* 轮播导航按钮 */
.hero-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.hero-nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.hero-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.hero-nav-btn svg {
    width: 24px;
    height: 24px;
}

.hero-prev-btn {
    left: 30px;
}

.hero-next-btn {
    right: 30px;
}
/* 禁用状态的按钮样式 */
.hero-nav-btn.disabled {
    opacity: 0.2;
    cursor: not-allowed;
    /*pointer-events: none;*/
}

.hero-nav-btn.disabled:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1);
    cursor: :not-allowed;
}

/* 移动端导航按钮样式 */
@media (max-width: 768px) {
    .hero-nav-btn {
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.4);
    }
    
    .hero-prev-btn {
        left: 15px;
    }
    
    .hero-next-btn {
        right: 15px;
    }
    
    .hero-nav-btn svg {
        width: 20px;
        height: 20px;
    }
}

/* 小屏幕设备优化 */
@media (max-width: 480px) {
    .hero-nav-btn {
        width: 35px;
        height: 35px;
    }
    
    .hero-prev-btn {
        left: 10px;
    }
    
    .hero-next-btn {
        right: 10px;
    }
    
    .hero-nav-btn svg {
        width: 18px;
        height: 18px;
    }
}


/* 轮播进度条 */
.hero-progress {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.progress-label {
    font-size: 14px;
    color: white;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.progress-items {
    display: flex;
    flex-direction: column;
    /* gap: 30px; */
    align-items: center;
}

.progress-item {
    display: flex;
    /* flex-direction: column; */
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
}

.progress-number {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
    transition: all 0.3s;
    font-weight: 500;
    margin-right: 30px;
}

.progress-line {
    width: 3px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    transition: all 0.3s;
}

.progress-item.active .progress-number {
    color: white;
    /* font-weight: bold; */
    /* font-size: 16px; */
}

.progress-item.active .progress-line {
    background: white;
    /* height: 60px; */
}

.progress-item:hover .progress-number {
    color: rgba(255, 255, 255, 0.9);
}

.progress-item:hover .progress-line {
    background: rgba(255, 255, 255, 0.6);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 30px;
    border: 2px solid white;
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 36px;
    font-weight: bold;
    /* margin-bottom: 10px; */
}

.section-subtitle {
    font-size: 14px;
    /* color: #999; */
    /* letter-spacing: 2px; */
}

/* About Section */
.about-section {
    padding: 100px 0;
    background-image: url('../images/index_jianjie_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.about-section .section-header {
    text-align: left;
    margin-bottom: 40px;
}

.about-section .section-title {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    /* margin-bottom: 0; */
    position: relative;
    /* padding-bottom: 15px; */
}



.about-section .section-subtitle {
    font-size: 14px;
    color: #3364FF;
    letter-spacing: 2px;
    margin-top: 10px;
    margin-bottom: 0;
    position: relative;
    padding-left: 60px;
}

.about-section .section-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 2px;
    background: #3364FF;
}

.about-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 140px;
}

.about-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 90px;
}

.about-text {
    line-height: 1.8;
    color: #666;
    font-size: 16px;
}

.about-text p {
    margin-bottom: 0;
}

.about-stats {
    display: flex;
    justify-content: flex-start;
    gap: 60px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: #3364FF;
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    font-size: 16px;
    color: #666;
}

.about-more {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    flex-shrink: 0;
}

.btn-view-more {
    /* display: flex;
    align-items: center;
    gap: 15px; */
    /* background: transparent; */
    color: #000000;
    padding: 0;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 16px;
    width: 149px;
    height: 109px;
    position: relative;
}

.btn-view-more:hover {
    color: #3364FF;
}

.btn-view-more img {
    width: 109px;
    height: 109px;
}

.btn-view-more span {
    position: absolute;
    top: 60px;
    left: 70px;
    font-size: 19px;
    font-weight: 700;
}

.btn-top {
    position: fixed;
    right: 30px;
    bottom: 100px;
    width: 80px;
    height: 80px;
    /* background: white; */
    /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); */
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

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

.btn-top img {
    width: 100%;
    height: 100%;
}

.btn-top span {
    font-size: 12px;
    color: #333;
}

/* Products Section */
.products-section {
    padding: 100px 0;
    background: #F9F9F9;
}

.products-section .section-header {
    text-align: left;
    margin-bottom: 40px;
}

.products-section .section-title {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    position: relative;
}

.products-section .section-subtitle {
    font-size: 14px;
    color: #3364FF;
    letter-spacing: 2px;
    margin-top: 10px;
    margin-bottom: 0;
    position: relative;
    padding-left: 60px;
}

.products-section .section-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 2px;
    background: #3364FF;
}

.product-tabs {
    display: flex;
    /* justify-content: center; */
    /* flex-wrap: wrap; */
    /* gap: 20px; */
    margin-bottom: 50px;
    /* padding: 0 20px; */
}

.tab-item {
    padding: 10px 20px;
    font-size: 16px;
    color: #333;
    background: transparent;
    border: none;
    border-radius: 0;
    transition: all 0.3s;
    cursor: pointer;
    white-space: nowrap;
}

.tab-item:hover {
    color: #3364FF;
}

.tab-item.active {
    background: #3364FF;
    color: #ffffff;
}

.products-section>.container {
    position: relative;
}

.product-carousel {
    position: relative;
    height: 460px;
    overflow: hidden;
}

/* 产品幻灯片包装器 */

.product-slides {
    display: flex;
    transition: transform 0.5s ease;
    will-change: transform;
    touch-action: pan-y pinch-zoom;
    /* 允许垂直滚动和缩放，但由JS处理横向滑动 */
}

.product-slide {
    flex: 0 0 400px;
    min-width: 0;
    padding: 0 20px;
    box-sizing: border-box;
    display: none; /* 默认隐藏，由JS控制显示 */
}
.product-slide.active {
    display: block; /* 显示时使用block，flex容器会自动处理 */
}

.product-card {
    background: white;
    border-radius: 8px;
    /* overflow: hidden; */
    transition: all 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 28px 34px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}

.product-card h3 {
    padding: 20px 20px 15px;
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin: 0;
    text-align: center;
}

.product-card p {
    padding: 0 20px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    flex: 1;
    font-size: 14px;
    text-align: center;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    overflow: hidden;
}


.product-card .btn-view {
    margin: 0 auto -40px;
    width: 300px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    /* padding: 10px 40px; */
    background: #3364FF;
    color: white;
    border: none;
    border-radius: 10px;
    transition: background 0.3s;
    display: none;
    /* 默认隐藏 */
    cursor: pointer;
    font-size: 14px;
    align-self: center;
}

.product-card .btn-view:hover {
    background: #3364FF;
}

/* 悬停样式（桌面端） */
@media (hover: hover) and (min-width: 769px) {
    .product-card:hover {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    }

    .product-card:hover .btn-view {
        display: block;
    }
}

/* 移动端默认显示悬停样式 */
@media (max-width: 768px) {
    .product-carousel {
        height: auto;
        padding-bottom: 40px;
    }

    .product-card {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        padding: 20px 24px 50px;
    }

    .product-card .btn-view {
        display: block !important;
        width: 100%;
        max-width: 280px;
        margin-bottom: 0;
    }

    .product-card img {
        height: 180px;
    }

    .product-card h3 {
        padding: 15px 15px 10px;
        font-size: 18px;
    }

    .product-card p {
        padding: 0 15px;
        font-size: 13px;
        margin-bottom: 15px;
    }
}

.product-carousel-container {
    position: relative;
    width: 100%;
    background: #F9F9F9;
    padding: 60px 0;

}

.product-carousel-container>.container {
    position: relative;

}

.product-carousel-container .carousel-btn {
    position: absolute;
    top: 200px;
    transform: translateY(-50%);
    width: 107px;
    height: 78px;
    background: transparent;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.3s;
    cursor: pointer;
}

/* .product-carousel-container .carousel-btn:hover {
    border-color: #3364FF;
    background: rgba(0, 102, 204, 0.05);
} */

.product-carousel-container .carousel-btn img {

    width: 100%;
    height: 100%;
}

.product-carousel-container .carousel-prev {
    left: 0;
}

.product-carousel-container .carousel-next {
    right: 0;
}

@media (max-width: 1240px) {
    .product-carousel-container .carousel-prev {
        left: 0;
    }

    .product-carousel-container .carousel-next {
        right: 0;
    }
}

.carousel-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-btn.disabled:hover {
    border-color: #ddd;
    background: transparent;
}

.product-carousel-container .carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.product-carousel-container .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid #ddd;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}

.product-carousel-container .dot.active {
    background: #3364FF;
    border-color: #3364FF;
}

/* Cases Section */
.cases-section {
    padding: 100px 0;
    /* background: #3364FF; */
    color: white;
}

.cases-header {
    padding: 70px 0 50px 0;
    background: #3364FF;
}

.section-line {
    width: 105px;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 0px 0px 0px 0px;
    margin: 22px auto;
}

.cases-section .section-title,
.cases-section .section-subtitle {
    color: white;
}

.cases-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.cases-container {
    margin-top: -50px;
}

.cases-carousel {
    position: relative;
    margin-bottom: 30px;
    overflow: hidden;
}

.cases-slides {
    display: flex;
    transition: transform 0.5s ease;
    width: 100%;
}

.case-slide {
    flex: 0 0 50%;
    flex-shrink: 0;
    min-width: 0;
    padding: 0 15px;
    box-sizing: border-box;
}

.case-card {
    position: relative;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    color: #333;
}

.case-image-wrapper {
    position: relative;
    width: 100%;
}

.case-card img {
    width: 100%;
    height: 278px;
    object-fit: cover;
}

.case-number {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 16px;
    font-weight: normal;
    color: white;
    background: rgba(0, 0, 0, 0.3);
    padding: 4px 12px;
    border-radius: 4px;
}

.case-content {
    padding: 30px;
}

.case-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.case-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.case-content .btn-view {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 30px;
    background: #3364FF;
    color: white;
    border-radius: 4px;
    transition: background 0.3s;
}

.case-content .btn-view:hover {
    background: #3364FF;
}

.case-content .btn-view img {
    width: 17px;
    height: 5px;
}

.cases-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.cases-nav-btn {
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
    width: 234px;
    height: 60px;
}

.cases-nav-btn:hover {
    opacity: 0.7;
}

.cases-nav-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.cases-nav-btn img {
    display: block;
    width: 234px;
    height: 60px;
}

.cases-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    gap: 10px;
}

.pagination-line {
    width: 40px;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    transition: all 0.3s;
    cursor: pointer;
}

.pagination-line.active {
    background: #3364FF;
    width: 50px;
    height: 4px;
}

.cases-pagination .pagination-line {
    background: #ddd;
}

.cases-pagination .pagination-line.active {
    background: #3364FF;
}

/* Partners Section */
.partners-section {
    padding: 100px 0;
    background: url('../images/index_hezuofang_bg.png') center center / cover no-repeat;
    color: white;
    position: relative;
    overflow: hidden;
}

.partners-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(51, 100, 255, 0.3);
    z-index: 1;
}

.partners-section .container {
    position: relative;
    z-index: 2;
}

.partners-section .section-header {
    text-align: center;
}

.partners-section .section-title,
.partners-section .section-subtitle {
    color: white;
}

.partners-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.partners-image-wrapper {
    margin-top: 50px;
    text-align: center;
}

.partners-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* News Section */
.news-section {
    padding: 100px 0 0 0;
    background: #F9F9F9;
    position: relative;
}

.news-container {
    position: relative;
    z-index: 20;
    top: -160px;
}

.news-section .section-header {
    text-align: left;
    position: relative;

}

.news-section .section-header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.1) 2px, transparent 2px);
    background-size: 20px 20px;
    z-index: -1;
}



.news-title-bg {
    width: 452px;
    height: 160px;
}

.news-title-bg img {
    width: 100%;
    height: 100%;
}
.news-section .section-subtitle {
    padding-left: 60px;
}

.news-section .section-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 88%;
    transform: translateY(-50%);
    width: 40px;
    height: 2px;
    background: #3364FF;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.news-item {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
    padding: 60px 30px 20px 30px;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0px 20px 30px 0px rgba(0, 0, 0, 0.1);
    border-radius: 10px 10px 10px 10px;
    border: 1px solid;
    border-image: linear-gradient(180deg, rgba(210.37499696016312, 210.37499696016312, 210.37499696016312, 1), rgba(157.06323444843292, 157.06323444843292, 157.06323444843292, 0)) 1 1;
}
.news-item:hover .news-more {
    color: #3364FF;
    font-weight: 700;
}
.news-date {
    font-size: 14px;
    color: #3364FF;
}

.news-title {
    margin-top: 10px;
    font-size: 18px;
    font-weight: bold;
    color: #333;
    line-height: 1.5;
}

.news-image {
    margin-top: 20px;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-more {
    display: block;
    margin-top: 20px;
    color: #1E1E1E;
    font-size: 14px;
    transition: color 0.3s;
}

.news-more:hover {
    color: #3364FF;
    font-weight: 700;
}

.news-more-btn {
    text-align: center;
}

.btn-more {
    padding: 12px 50px;
    background: #3364FF;
    color: white;
    border-radius: 4px;
    font-size: 16px;
    transition: background 0.3s;
}

.btn-more:hover {
    background: #063df3;
}

/* Footer */
.footer {
    background: #F9F9F9;
    color: #333;
    padding: 60px 0 20px;
    border-top: 18px solid #1A1A1A;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    /*gap: 40px;*/
    
}
.footer-col {
    flex: 1;
    min-width: 200px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #333;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul a {
    color: #666;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-col ul a:hover {
    color: #333;
}

.footer-contact {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 40px;
    /*justify-content: flex-start;*/
    /*flex-direction: row;*/
    /*gap: 30px;*/
    /*align-items: flex-start;*/
    /*flex: 1;*/
    /*max-width: 400px;*/
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
    /*min-width: 250px;*/
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #333;
    margin-bottom: 15px;
}

.contact-item:first-child {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

.contact-item img {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.contact-item span {
    color: #333;
}

.contact-label {
    display: block;
    font-size: 14px;
    color: #333;
    margin-bottom: 10px;
    font-weight: normal;
}

.contact-value.hotline {
    color: #3364FF;
    font-size: 24px;
    font-weight: bold;
    display: block;
    margin-top: 5px;
}

.footer-media {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    
}

.footer-map {
    flex: 1;
}

.footer-map img {
    width: 100px;
    height: 100px;
    border: 1px dashed #ddd;
    border-radius: 4px;
}

.footer-qrcode {
    text-align: center;
}

.footer-qrcode img {
    width: 100px;
    height: 100px;
    margin-bottom: 10px;
    border: 1px dashed #ddd;
    border-radius: 4px;
}

.footer-qrcode p {
    font-size: 14px;
    color: #333;
}

.footer-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    font-size: 12px;
    color: #999;
}

/* Responsive Design */
@media (max-width: 1024px) {

    /* 工程案例平板端适配 */
    .cases-header {
        padding: 50px 0 40px 0;
    }

    .case-slide {
        flex: 0 0 100%;
        padding: 0 15px;
    }

    .case-card img {
        height: 240px;
    }

    .case-content {
        padding: 25px;
    }

    .case-content h3 {
        font-size: 22px;
    }

    .case-content p {
        font-size: 15px;
    }

    .cases-nav-btn {
        width: 180px;
        height: 50px;
    }

    .cases-nav-btn img {
        width: 180px;
        height: 50px;
    }

    /* 平板端也隐藏进度条 */
    .cases-pagination {
        display: none;
    }

    /* 平板端隐藏进度条后，调整导航按钮布局 */
    .cases-navigation {
        justify-content: center;
    }

    .hero-title {
        font-size: 60px;
    }

    .about-section .section-header {
        text-align: left;
    }

    .product-carousel {
        height: auto;
        padding-bottom: 40px;
    }

    .product-slide {
        flex: 0 0 50%;
    }

    .product-card {
        padding: 24px 28px 50px;
    }

    .product-card .btn-view {
        width: 100%;
        max-width: 260px;
        height: 55px;
        line-height: 55px;
    }

    .product-card img {
        height: 190px;
    }

    .about-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-left {
        gap: 30px;
    }

    .about-stats {
        flex-wrap: wrap;
        gap: 40px;
    }

    .about-more {
        align-self: flex-start;
    }

    .product-slide {
        flex: 0 0 50%;
        padding: 0 10px;
    }

    .case-slide {
        flex: 0 0 100%;
        padding: 0 10px;
    }

    .partners-image-wrapper {
        margin-top: 40px;
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   移动端响应式样式（最大宽度768px）
   ============================================ */

@media (max-width: 768px) {
    /* 移动端导航栏 - 减小内边距 */
    .header {
        padding: 10px 0;
    }
    .header-home {
        padding: 10px 0;
    }
    /* 移动端Logo - 缩小尺寸 */
    .logo img {
        height: 40px;
    }

    /* 移动端菜单背景遮罩层 - 点击关闭菜单 */
    .nav-overlay {
        position: fixed;
        top: 70px; /* 从导航栏下方开始 */
        left: 0;
        width: 100vw; /* 全屏宽度 */
        height: calc(100vh - 70px); /* 剩余高度 */
        background: rgba(0, 0, 0, 0.5); /* 半透明黑色遮罩 */
        opacity: 0; /* 初始透明 */
        visibility: hidden; /* 初始隐藏 */
        transition: opacity 0.3s, visibility 0.3s; /* 过渡动画 */
        z-index: 999; /* 层级在菜单下方 */
        pointer-events: none; /* 默认不可点击 */
    }

    /* 遮罩层激活状态 - 显示并可点击 */
    .nav-overlay.active {
        opacity: 1; /* 显示 */
        visibility: visible;
        pointer-events: auto; /* 可点击关闭菜单 */
    }

    /* 移动端导航菜单 - 侧边滑出式 */
    .nav-list {
        position: fixed; /* 固定定位 */
        top: 70px; /* 从导航栏下方开始 */
        left: -100%; /* 初始隐藏在左侧屏幕外 */
        width: 100%;
        max-width: 320px; /* 最大宽度320px */
        height: calc(100vh - 70px); /* 剩余视口高度 */
        flex-direction: column; /* 纵向排列 */
        background: #ffffff !important; /* 白色背景 */
        box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15); /* 右侧阴影 */
        padding: 20px 0;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* 平滑滑入动画 */
        gap: 0;
        z-index: 1001; /* 层级在遮罩层之上 */
        overflow-y: auto; /* 内容超出时可滚动 */
        -webkit-overflow-scrolling: touch; /* iOS平滑滚动 */
    }

    /* 菜单激活状态 - 滑入显示 */
    .nav-list.active {
        left: 0; /* 滑入到屏幕内 */
    }

    .nav-list li {
        width: 100%;
        text-align: left;
        padding: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-list li:last-child {
        border-bottom: none;
    }

    .nav-list > li > a {
        color: #333;
        font-size: 16px;
        font-weight: 500;
        display: block;
        padding: 18px 24px;
        transition: all 0.3s ease;
        position: relative;
        z-index: 1;
        pointer-events: auto;
    }

    .nav-list > li > a:hover,
    .nav-list > li > a.active {
        color: #3364FF;
        background: rgba(51, 100, 255, 0.05);
        padding-left: 28px;
    }

    .nav-list > li > a.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: #3364FF;
    }

    .nav-item-has-submenu > a {
        position: relative;
        touch-action: manipulation;
    }

    /* 只有当存在实际的二级菜单时才显示箭头 */
    .nav-item-has-submenu.has-submenu > a::after {
        content: '▼';
        position: absolute;
        right: 24px;
        font-size: 10px;
        color: #999;
        transition: transform 0.3s ease;
    }

    .nav-item-has-submenu.has-submenu.active > a::after {
        transform: rotate(180deg);
    }

    .nav-item-has-submenu .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(51, 100, 255, 0.03);
        margin-top: 0;
        box-shadow: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 0;
    }

    .nav-item-has-submenu.active .submenu {
        max-height: 500px;
        padding: 10px 0;
    }

    .nav-item-has-submenu .submenu li {
        border-bottom: none;
    }

    .nav-item-has-submenu .submenu a {
        display: block;
        padding: 14px 24px 14px 48px;
        color: #666;
        font-size: 14px;
        transition: all 0.3s ease;
        position: relative;
        z-index: 1;
        pointer-events: auto;
        touch-action: manipulation;
    }

    .nav-item-has-submenu .submenu a::before {
        content: '•';
        position: absolute;
        left: 32px;
        color: #3364FF;
        font-size: 12px;
    }

    .nav-item-has-submenu .submenu a:hover {
        color: #3364FF;
        background: rgba(51, 100, 255, 0.08);
        padding-left: 52px;
    }

    .mobile-menu-toggle {
        display: flex;
        position: relative;
        z-index: 1001;
    }

    .hero {
        margin-top: 70px;
        min-height: 500px;
    }

    .hero-progress {
        right: 20px;
    }

    .progress-items {
        gap: 20px;
    }

    .progress-line {
        height: 30px;
    }

    .progress-item.active .progress-line {
        height: 40px;
    }

    .hero {
    
    height: 380px; /* 视口高度 */
    min-height: 380px;
    /*background-color: red;*/
}
    .hero-title {
        font-size: 44px;
    }

    .hero-subtitle {
        font-size: 16px;
        padding: 0 20px;
    }

    .hero-desc {
        font-size: 14px;
        padding: 0 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .about-section,
    .products-section,
    .cases-section,
    .partners-section,
    .news-section {
        padding: 60px 0;
    }
    .news-container {
        position: relative;
        z-index: 20;
        top: -60px;
    }
    .news-title-bg {
        width: 152px;
        height: 60px;
    }
    
    .news-title-bg img {
        width: 100%;
        height: 100%;
    }

    .about-section .section-title,
    .products-section .section-title {
        font-size: 24px;
    }

    .products-section .section-subtitle {
        padding-left: 40px;
    }

    .products-section .section-subtitle::before {
        width: 30px;
    }

    .about-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-left {
        gap: 30px;
    }

    .about-stats {
        flex-direction: column;
        gap: 30px;
        align-items: flex-start;
    }

    .stat-number {
        font-size: 36px;
    }

    .about-more {
        align-self: flex-start;
    }

    .product-tabs {
        gap: 15px;
    }

    .tab-item {
        padding: 8px 15px;
        font-size: 14px;
    }
    .tab-item.active {
    background: #3364FF;
    color: #ffffff;
}

    .tab-item:hover {
        color: #3364FF;
    }

    .product-slides-wrapper {
        overflow: hidden;
        /* padding: 0 50px; */
    }

    .product-slides,
    .cases-slides {
        padding: 0;
    }

    .product-slide {
        flex: 0 0 100%;
        padding: 0 10px 40px;
    }

    /* 工程案例移动端适配 */
    .cases-section {
        padding: 0;
    }

    .cases-container {
        margin-top: -30px;
    }

    .cases-header {
        padding: 40px 0 30px 0;
    }

    .section-line {
        width: 80px;
        margin: 18px auto;
    }

    .cases-carousel {
        margin-bottom: 20px;
        padding: 0 10px;
    }

    .case-slide {
        flex: 0 0 100%;
        padding: 0;
    }

    .case-card {
        border-radius: 8px;
    }

    .case-card img {
        height: 200px;
        border-radius: 8px 8px 0 0;
    }

    .case-number {
        font-size: 14px;
        bottom: 10px;
        right: 10px;
        padding: 3px 8px;
    }

    .case-content {
        padding: 20px;
    }

    .case-content h3 {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .case-content p {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 15px;
    }

    .case-content .btn-view {
        padding: 8px 20px;
        font-size: 14px;
    }

    .case-content .btn-view img {
        width: 14px;
        height: 4px;
    }

    .cases-navigation {
        gap: 10px;
        margin-top: 20px;
        padding: 0 20px;
        justify-content: center;
    }

    .cases-nav-btn {
        width: 120px;
        height: 40px;
        flex-shrink: 0;
    }

    .cases-nav-btn img {
        width: 120px;
        height: 40px;
        object-fit: contain;
    }

    /* 移动端隐藏进度条 */
    .cases-pagination {
        display: none;
    }

    .product-card {
        padding: 20px 24px 50px;
    }

    .product-card .btn-view {
        width: 100%;
        max-width: 280px;
        margin-bottom: 0;
    }

    .product-card img {
        height: 180px;
    }

    .product-card h3 {
        font-size: 18px;
        padding: 15px 15px 10px;
    }

    .product-card p {
        font-size: 13px;
        padding: 0 15px;
        margin-bottom: 15px;
    }

    .case-card img {
        height: 250px;
    }

    .partners-image-wrapper {
        margin-top: 30px;
    }

    .partners-section {
        padding: 60px 0;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-media {
        flex-direction: column;
    }

    .btn-top {
        right: 20px;
        bottom: 80px;
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .hero-progress {
        top: 25%;
        right: 10px;
    }

    .progress-label {
        font-size: 12px;
    }

    .progress-number {
        font-size: 12px;
    }

    .progress-item.active .progress-number {
        font-size: 14px;
    }

    .progress-line {
        height: 25px;
    }

    .progress-item.active .progress-line {
        height: 35px;
    }

    .progress-items {
        gap: 15px;
    }
    .hero {
    
    height: 300px; /* 视口高度 */
    min-height: 300px;
    /*background-color: red;*/
}
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .hero-desc {
        font-size: 12px;
    }

    .section-title {
        font-size: 24px;
    }

    .stat-number {
        font-size: 32px;
    }

    .product-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 10px 20px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .product-tabs::-webkit-scrollbar {
        display: none;
    }

    .tab-item {
        white-space: nowrap;
    }
    .tab-item.active {
    background: #3364FF;
    color: #ffffff;
}

    .product-carousel-container {
        padding: 40px 0;
    }

    .product-carousel-container .carousel-btn {
        width: 50px;
        height: 50px;
    }

    .product-slides-wrapper {
        padding: 0 70px;
    }

    .product-carousel-container .carousel-prev {
        left: 10px;
    }

    .product-carousel-container .carousel-next {
        right: 10px;
    }

    .product-carousel-container {
        padding: 30px 0;
    }

    .product-carousel {
        height: auto;
        padding-bottom: 40px;
    }

    .product-carousel-container .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .product-carousel-container .carousel-prev {
        left: 5px;
    }

    .product-carousel-container .carousel-next {
        right: 5px;
    }

    .product-slides-wrapper {
        padding: 0 50px;
    }

    .product-slide {
        padding: 0 10px 40px;
    }

    .product-slides,
    .cases-slides {
        padding: 0;
    }

    .partners-image-wrapper {
        margin-top: 25px;
    }

    /* 工程案例小屏移动端适配 */
    .cases-container {
        margin-top: -20px;
    }

    .cases-header {
        padding: 30px 0 20px 0;
    }

    .section-line {
        width: 70px;
        margin: 12px auto;
    }

    .cases-header .section-title {
        font-size: 22px;
    }

    .cases-header .section-subtitle {
        font-size: 12px;
    }

    .cases-carousel {
        margin-bottom: 15px;
        padding: 0 8px;
    }

    .case-slide {
        flex: 0 0 100%;
        padding: 0;
    }

    .case-card {
        border-radius: 6px;
    }

    .case-card img {
        height: 180px;
        border-radius: 6px 6px 0 0;
    }

    .case-number {
        font-size: 12px;
        bottom: 8px;
        right: 8px;
        padding: 2px 6px;
    }

    .case-content {
        padding: 15px;
    }

    .case-content h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .case-content p {
        font-size: 13px;
        line-height: 1.5;
        margin-bottom: 12px;
    }

    .case-content .btn-view {
        padding: 6px 15px;
        font-size: 13px;
        gap: 8px;
    }

    .case-content .btn-view img {
        width: 12px;
        height: 4px;
    }

    .cases-navigation {
        gap: 8px;
        margin-top: 15px;
        padding: 0 15px;
        justify-content: center;
    }

    .cases-nav-btn {
        width: 100px;
        height: 35px;
        flex-shrink: 0;
    }

    .cases-nav-btn img {
        width: 100px;
        height: 35px;
        object-fit: contain;
    }

    /* 小屏移动端隐藏进度条 */
    .cases-pagination {
        display: none;
    }
}

/* ============================================
   客服图标样式
   ============================================ */

.customer-service-btn {
    position: fixed;
    right: 30px;
    bottom: 200px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3364FF 0%, #1e40ff 100%);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    z-index: 998;
    box-shadow: 0 4px 12px rgba(51, 100, 255, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.customer-service-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(51, 100, 255, 0.6);
    background: linear-gradient(135deg, #1e40ff 0%, #3364FF 100%);
}

.customer-service-btn:active {
    transform: scale(0.95);
}

.customer-service-btn svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.customer-service-btn .service-text {
    font-size: 12px;
    color: white;
    font-weight: 500;
    line-height: 1;
}

/* 移动端客服图标样式 */
@media (max-width: 768px) {
    .customer-service-btn {
        right: 20px;
        bottom: 180px;
        width: 50px;
        height: 50px;
        gap: 3px;
    }
    
    .customer-service-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .customer-service-btn .service-text {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .customer-service-btn {
        right: 15px;
        bottom: 160px;
        width: 45px;
        height: 45px;
    }
    
    .customer-service-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .customer-service-btn .service-text {
        font-size: 10px;
    }
}

/* 复制成功提示 */
.copy-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.copy-toast.show {
    opacity: 1;
    visibility: visible;
}