/* PC端强制隐藏产品中心的+号 - 最高优先级 */
@media (min-width: 992px) {
    .dropdown-toggle-icon {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        width: 0 !important;
        height: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        font-size: 0 !important;
        overflow: hidden !important;
        position: absolute !important;
        left: -9999px !important;
        text-indent: -9999px !important;
        line-height: 0 !important;
    }
}

/*滚动条美化*/
body::-webkit-scrollbar {
    width: 10px !important;
  }
  body::-webkit-scrollbar-track {
    background-color: #f3f3f3;
  }
  body::-webkit-scrollbar-track-piece {
    background-color: #f3f3f3;
    -webkit-border-radius: 4px;
  }
  body::-webkit-scrollbar-thumb {
    background-color: #ddd;
    border: solid 1px #C0C0C0;
    border-radius: 4px;
  }
  body::-webkit-scrollbar-corner {
    background-color: #ddd;
  }
  body::-webkit-resizer {
    background-repeat: no-repeat;
    background-position: bottom right;
  }
  body::-webkit-scrollbar-thumb:hover {
    background-color: #F3F3E0;
  }
  ::-webkit-scrollbar {
    width: 15px;
  }

/* 导航栏样式 */
.navbar-custom {
    background: transparent !important;
    backdrop-filter: blur(0px);
    box-shadow: none;
    padding: 15px 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.navbar-custom.scrolled {
    background: #ffffff !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
    padding: 10px 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff !important;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar-custom.scrolled .navbar-brand {
    color: #333 !important;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    filter: brightness(0) invert(1); /* 默认白色 */
    transition: filter 0.3s ease;
}

.navbar-custom.scrolled .logo-img {
    filter: none; /* 滚动后恢复原色 */
}

.logo-text {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

.navbar-custom.scrolled .logo-text {
    color: #18447A;
}

.navbar-nav {
    align-items: center;
}

.nav-item.dropdown {
    position: relative;
}

.nav-link {
    color: #fff !important;
    font-weight: 500;
    font-size: 1rem;
    padding: 8px 20px !important;
    margin: 0 5px;
    position: relative;
    transition: all 0.3s ease;
    border-radius: 8px;
    background: transparent;
}

.navbar-custom.scrolled .nav-link {
    color: #333 !important;
}

/* PC端导航链接底部线条动画 */
@media (min-width: 992px) {
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 4px;
        background-color: #fff; /* 默认白色 */
        transition: width 0.3s ease, background-color 0.3s ease;
        display: block;
        border-radius: 10px;
        z-index: 1;
    }
    
    .navbar-custom.scrolled .nav-link::after {
        background-color: #18447A; /* 滚动后主题色 */
    }
    
    .nav-link:hover::after,
    .nav-link.dropdown-toggle:hover::after,
    .nav-link.active::after {
        width: 30%;
    }
    
    /* 确保产品中心下拉菜单链接也能显示底部线条 */
    .nav-item.dropdown .nav-link::after,
    .nav-link.dropdown-toggle::after {
        content: '' !important;
        position: absolute !important;
        bottom: -5px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: 0 !important;
        height: 4px !important;
        background-color: #fff !important; /* 默认白色 */
        transition: width 0.3s ease, background-color 0.3s ease !important;
        display: block !important;
        border-radius: 10px !important;
        z-index: 1 !important;
        border: none !important;
        margin: 0 !important;
        padding: 0 !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .navbar-custom.scrolled .nav-item.dropdown .nav-link::after,
    .navbar-custom.scrolled .nav-link.dropdown-toggle::after {
        background-color: #18447A !important; /* 滚动后主题色 */
    }
    
    .nav-item.dropdown:hover .nav-link::after,
    .nav-link.dropdown-toggle:hover::after,
    .nav-item.dropdown .nav-link:hover::after,
    .nav-item.dropdown .nav-link.active::after,
    .nav-link.dropdown-toggle.active::after {
        width: 30% !important;
    }
}

.product-detail-box img{max-width:100%; height: auto;}

/* 移动端不显示底部线条 */
@media (max-width: 991px) {
    .nav-link::after {
        display: none !important;
    }
    
    .nav-link {
        font-size: 0.95rem;
    }
}

@media (max-width: 768px) {
    .nav-link {
        font-size: 0.9rem;
        padding: 10px 16px !important;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .page-banner-section {
    position: relative;
    padding: 0 0 60px;
    margin-top: 0;
    background-image: url('../images/ibanner.jpg');
    background-size: cover!important;
    background-position: top center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow: hidden;
}
}

.nav-link:hover {
    color: #fff !important;
}

.navbar-custom.scrolled .nav-link:hover {
    color: #18447A !important;
}

.nav-link.active {
    color: #fff !important;
}

.navbar-custom.scrolled .nav-link.active {
    color: #18447A !important;
}

/* 下拉菜单样式 */
.dropdown-menu {
    border: none;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.15);
    border-radius:0 0 10px 10px;
    padding: 10px 0;
    margin-top: 0;
    min-width: 280px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    display: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    position: absolute;
    top: calc(100% + 15px); /* 导航栏底部padding(15px)，使下拉菜单顶部与导航栏底部对齐 */
    left: 0;
}

/* 添加一个填充区域，消除间隙 */
.nav-item.dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 15px;
    background: transparent;
    z-index: 1001;
    display: none;
}

.nav-item.dropdown:hover::before {
    display: block;
}

/* 确保下拉菜单和父元素保持连接 */
.nav-item.dropdown:hover .dropdown-menu,
.nav-item.dropdown .dropdown-menu:hover {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 鼠标悬停显示下拉菜单 */
.nav-item.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    animation: dropdownFadeIn 0.3s ease;
    z-index: 1002;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    padding: 12px 25px;
    color: #333;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 45px;
}

.dropdown-item::before {
    content: '→';
    position: absolute;
    left: 20px;
    color: #18447A;
    opacity: 0;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: rgba(24, 68, 122, 0.1);
    color: #18447A;
    padding-left: 50px;
}

.dropdown-item:hover::before {
    opacity: 1;
    left: 25px;
}

/* 完全隐藏Bootstrap默认的下拉箭头 - 但保留导航链接的底部线条 */
.dropdown-toggle::after {
    display: none !important;
    content: none !important;
    border: none !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 0 !important;
    height: 0 !important;
    opacity: 0 !important;
    visibility: hidden !important;
}

/* 导航链接的下拉箭头使用底部线条替代 */
.nav-link.dropdown-toggle::after {
    display: block !important;
    content: '' !important;
    border: none !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* 移动端菜单按钮 */
.navbar-toggler {
    border: none;
    padding: 5px 10px;
    outline: none;
    box-shadow: none;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    transition: background-image 0.3s ease;
}

.navbar-custom.scrolled .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* 响应式设计 */
@media (max-width: 991px) {
    /* 遮罩层样式已在上面定义 */
    /* 遮罩层 - 使用单独的类 */
    .mobile-menu-overlay {
        display: none;
    }
    
    @media (max-width: 991px) {
        .mobile-menu-overlay {
            display: block;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.5);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 998;
            pointer-events: none;
        }
        
        .mobile-menu-overlay.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }
        
        .navbar-collapse {
            position: fixed !important;
            top: 0;
            right: -80% !important;
            width: 80%;
            height: 100vh;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            margin: 0;
            padding: 60px 20px 20px;
            border-radius: 0;
            box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
            transition: right 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                        opacity 0.3s ease,
                        visibility 0.3s ease,
                        box-shadow 0.3s ease;
            z-index: 999;
            overflow-y: auto;
            opacity: 0 !important;
            visibility: hidden !important;
            display: block !important;
        }
        
        .navbar-collapse:not(.show) {
            right: -80% !important;
            opacity: 0 !important;
            visibility: hidden !important;
            box-shadow: -5px 0 10px rgba(0, 0, 0, 0.1);
        }
        
        .navbar-collapse.show {
            right: 0 !important;
            opacity: 1 !important;
            visibility: visible !important;
            box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
        }
    }
    
     .navbar-collapse .nav-link {
         color: #333 !important;
         padding: 15px 20px 15px 30px !important;
         margin: 5px 0;
         border-radius: 8px;
         display: block;
         text-align: left;
     }
     
     .nav-link {
         padding: 15px 20px 15px 30px !important;
         margin: 5px 0;
         text-align: left;
     }
     
     /* 导航列表居左 */
     .navbar-nav {
         text-align: left !important;
         align-items: flex-start !important;
         justify-content: flex-start !important;
     }
     
     /* 导航项居左 */
     .nav-item {
         width: 100%;
         text-align: left;
     }
    
    .dropdown-menu {
        position: static !important;
        margin-top: 5px;
        margin-left: 0;
        box-shadow: none;
        border-left: 3px solid #18447A;
        width: 100%;
        display: none;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0.3s ease, padding-top 0.3s ease, padding-bottom 0.3s ease;
        padding-left: 0;
        padding-top: 0;
        padding-bottom: 0;
    }
    
    .dropdown-menu.show {
        display: block;
        opacity: 1;
        visibility: visible;
        max-height: 1000px;
        padding-top: 10px;
        padding-bottom: 10px;
    }
    
    /* 关闭动画完成后完全隐藏 */
    .nav-item.dropdown:not(.active) .dropdown-menu:not(.show) {
        display: none;
    }
    
    /* 下拉菜单项也居左排列，添加左边距和缩进 */
    .dropdown-item {
        padding-left: 10px !important;
        text-align: left;
        padding-right: 20px !important;
    }
    
    /* 产品中心下拉图标样式 - 默认完全隐藏 */
    .dropdown-toggle-icon {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        width: 0 !important;
        height: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        font-size: 0 !important;
        overflow: hidden !important;
        position: absolute !important;
        left: -9999px !important;
        text-indent: -9999px !important;
    }
    
    /* PC端确保不显示（额外保障） */
    @media (min-width: 992px) {
        .dropdown-toggle-icon {
            display: none !important;
            visibility: hidden !important;
            opacity: 0 !important;
            width: 0 !important;
            height: 0 !important;
            margin: 0 !important;
            padding: 0 !important;
            font-size: 0 !important;
            overflow: hidden !important;
            position: absolute !important;
            left: -9999px !important;
            text-indent: -9999px !important;
            line-height: 0 !important;
            content: '' !important;
        }
        
        /* PC端产品中心链接，确保+号不占位 */
        .nav-item.dropdown .nav-link .dropdown-toggle-icon {
            display: none !important;
        }
        
        /* PC端产品中心链接，移除+号内容 */
        .nav-item.dropdown .nav-link .dropdown-toggle-icon::before,
        .nav-item.dropdown .nav-link .dropdown-toggle-icon::after {
            content: '' !important;
            display: none !important;
        }
    }
    
    @media (max-width: 991px) {
        /* 确保产品中心链接使用flex布局 */
        .nav-item.dropdown .nav-link {
            display: flex !important;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            text-align: left;
        }
        
        /* 产品中心文字部分居左 */
        .nav-link-text {
            flex: 1;
            text-align: left;
        }
        
        .dropdown-toggle-icon {
            display: inline-block !important;
            visibility: visible !important;
            opacity: 1 !important;
            float: none;
            font-size: 20px !important;
            font-weight: bold;
            line-height: 1 !important;
            transition: transform 0.3s ease;
            margin-left: auto;
            width: 20px !important;
            height: auto !important;
            text-align: center;
            flex-shrink: 0;
            position: static !important;
            left: auto !important;
            overflow: visible !important;
            text-indent: 0 !important;
            margin-right: 0 !important;
            padding-right: 0 !important;
            padding-left: 0 !important;
        }
        
        .nav-item.dropdown.active .dropdown-toggle-icon {
            transform: rotate(0deg);
        }
    }
    
    /* PC端确保不显示 */
    @media (min-width: 992px) {
        .dropdown-toggle-icon {
            display: none !important;
            visibility: hidden !important;
            opacity: 0 !important;
        }
    }
    
    .logo-img {
        height: 40px;
    }
    
    .navbar-custom.scrolled .logo-img {
        filter: none;
    }
    
    /* 移动端菜单按钮样式 */
    .navbar-toggler {
        position: relative;
        z-index: 1000;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
    }
    
    .navbar-toggler.active .navbar-toggler-icon {
        display: none;
    }
    
    .navbar-toggler.active .close-icon {
        display: block !important;
        font-size: 28px;
        color: #333;
        font-weight: bold;
        line-height: 1;
        transition: transform 0.3s ease;
    }
    
    .close-icon {
        display: none;
        transition: transform 0.3s ease;
    }
    
    .navbar-toggler.active .close-icon:hover {
        transform: rotate(90deg);
    }
    
    /* 确保按钮在菜单打开时显示X */
    .navbar-toggler.active {
        position: fixed;
        top: 15px;
        right: 20px;
        z-index: 1001;
    }
}

@media (max-width: 768px) {
    .navbar-custom {
        padding: 10px 0;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
}

/* Banner 样式 */
.banner-section {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.banner-swiper {
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 100% auto;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.6s ease;
}

.banner-slide.swiper-slide-active .banner-image {
    transform: scale(1.05);
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.75) 100%);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.banner-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.banner-title.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.banner-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2.5rem;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.banner-subtitle.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.banner-btn {
    display: inline-block;
    padding: 15px 40px;
    background: transparent;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid #fff;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s, all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-btn.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.banner-btn:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.15) translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
    border: 2px solid #fff;
    color: #fff;
    text-decoration: none;
    animation: buttonPulse 1.5s ease-in-out infinite;
}

/* Swiper 分页器样式 */
.banner-pagination {
    bottom: 30px !important;
    z-index: 10;
}

.banner-pagination .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    transition: all 0.3s ease;
}

.banner-pagination .swiper-pagination-bullet-active {
    background: #fff;
    width: 30px;
    border-radius: 6px;
}

/* Swiper 导航按钮样式 */
.banner-button-next,
.banner-button-prev {
    color: #fff;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scale(0.8);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

/* 鼠标悬停在banner区域时显示按钮 */
.banner-section:hover .banner-button-next,
.banner-section:hover .banner-button-prev {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scale(1);
    animation: buttonFadeIn 0.4s ease-out;
}

/* 按钮显示动画 */
@keyframes buttonFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(10px);
    }
    50% {
        transform: scale(1.05) translateY(-2px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* 按钮悬停效果 */
.banner-button-next:hover,
.banner-button-prev:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.15) translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
    animation: buttonPulse 1.5s ease-in-out infinite;
}

/* 按钮脉冲动画 */
@keyframes buttonPulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
    }
    50% {
        box-shadow: 0 6px 30px rgba(255, 255, 255, 0.5);
    }
}

/* 按钮激活效果 */
.banner-button-next:active,
.banner-button-prev:active {
    transform: scale(1.05);
    transition: transform 0.1s ease;
}

.banner-button-next::after,
.banner-button-prev::after {
    font-size: 20px;
    font-weight: bold;
}

/* 首页公司介绍模块 */
.about-intro-section {
    position: relative;
    padding: 100px 0 90px;
    background: #f7f9fc;
}

.about-intro-text {
    padding-right: 40px;
}

.about-intro-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 10px;
}

.about-intro-subtitle {
    font-size: 1.1rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 25px;
}

.about-intro-desc {
    font-size: 0.98rem;
    line-height: 1.9;
    color: #555;
    margin-bottom: 10px;
}

.about-intro-more-wrapper {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
    margin-bottom: 10px;
}

.about-intro-more {
    display: inline-block;
    padding: 12px 32px;
    border: 1px solid #ccc;
    background: transparent;
    color: #666;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.about-intro-more:hover {
    border-color: #18447A;
    color: #18447A;
    background: rgba(24, 68, 122, 0.05);
    text-decoration: none;
    transform: translateY(-2px);

}

.about-intro-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.about-intro-highlights .highlight-item {
    flex: 1;
    min-width: 120px;
    text-align: left;
}

.about-intro-highlights .highlight-item h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 8px;
    position: relative;
    display: inline-block;
    line-height: 1.2;
    padding-right: 0.5em;
}

.about-intro-highlights .highlight-item h3 .highlight-suffix {
    font-size: 0.5em;
    font-weight: 500;
    position: absolute;
    bottom: 0.2em;
    right: 0;
    line-height: 1;
    vertical-align: baseline;
}

.about-intro-highlights .highlight-item > span {
    font-size: 0.85rem;
    color: #666;
    display: block;
    line-height: 1.4;
    word-break: keep-all;
    white-space: normal;
}

.about-intro-card {
    position: relative;
    background: #ffffff;
    border-radius: 18px;
    padding: 30px 32px 28px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    border: 1px solid rgba(24, 68, 122, 0.08);
}

.about-intro-card::before {
    content: '';
    position: absolute;
    right: -80px;
    top: -80px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle at center, rgba(24, 68, 122, 0.18), transparent 60%);
    opacity: 0.8;
}

.about-intro-card::after {
    content: '';
    position: absolute;
    left: -40px;
    bottom: -40px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle at center, rgba(24, 68, 122, 0.12), transparent 65%);
}

.about-intro-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(24, 68, 122, 0.06);
    color: #18447A;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.about-intro-card-title {
    position: relative;
    z-index: 1;
    margin-top: 18px;
    margin-bottom: 12px;
    font-size: 1.6rem;
    font-weight: 600;
    color: #222;
}

.about-intro-card-desc {
    position: relative;
    z-index: 1;
    font-size: 0.95rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-intro-list {
    position: relative;
    z-index: 1;
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}

.about-intro-list li {
    font-size: 0.94rem;
    color: #444;
    margin-bottom: 10px;
    padding-left: 18px;
    position: relative;
}

.about-intro-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg, #18447A, #4b6fa3);
}

.about-intro-tags {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.about-intro-tags span {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(24, 68, 122, 0.06);
    color: #18447A;
}

@media (max-width: 991px) {
    .about-intro-section {
        padding: 70px 0 60px;
    }
    
    .about-intro-text {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .about-intro-more-wrapper {
        justify-content: center;
    }
    
    .about-intro-highlights {
        justify-content: center;
        flex-wrap: nowrap;
        gap: 15px;
    }
    
    .about-intro-highlights .highlight-item {
        flex: 1;
        min-width: auto;
        text-align: center;
    }
    
    .about-intro-highlights .highlight-item h3 {
        font-size: 1.6rem;
    }
    
    .about-intro-highlights .highlight-item > span {
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) {
    .about-intro-title {
        font-size: 2.2rem;
    }
    
    .about-intro-subtitle {
        font-size: 0.9rem;
        letter-spacing: 2px;
    }
}

@media (max-width: 576px) {
    .about-intro-section {
        padding: 60px 0 50px;
    }
    
    .about-intro-card {
        padding: 24px 20px 22px;
    }
}

/* 关于我们模块 - 新样式 */
.about-section {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(24, 68, 122, 0.03) 0%, rgba(74, 144, 226, 0.05) 100%);
    border-radius: 0 0 100px 100px;
    z-index: 0;
}

.about-section .container {
    position: relative;
    z-index: 1;
}

/* 左侧视觉区域 */
.about-visual {
    position: relative;
    height: 100%;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-visual-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #18447A 0%, #4A90E2 100%);
    border-radius: 20px;
    overflow: hidden;
}

.about-visual-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    opacity: 0.6;
}

.about-visual-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 40px;
    color: #ffffff;
}

.about-visual-icon {
    margin-bottom: 30px;
    color: #ffffff;
    opacity: 0.95;
}

.about-visual-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #ffffff;
}

.about-visual-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 400;
}

/* 右侧内容区域 */
.about-content {
    padding-left: 50px;
}

.about-label {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(24, 68, 122, 0.1);
    color: #18447A;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 25px;
    line-height: 1.3;
}

.about-desc {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
}

.about-advantages {
    margin-top: 25px;
}

.about-more {
    margin-top: 30px;
}

.about-more-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #18447A 0%, #4A90E2 100%);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.about-more-link:hover {
    background: linear-gradient(135deg, #4A90E2 0%, #18447A 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(24, 68, 122, 0.3);
    color: #ffffff;
    text-decoration: none;
}

.about-more-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.about-more-link:hover::after {
    transform: translateX(4px);
}

.about-advantage-item {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    padding: 8px 0;
}

.about-advantage-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #18447A 0%, #4A90E2 100%);
    color: #ffffff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.about-advantage-text {
    font-size: 1rem;
    color: #333;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content {
        padding-left: 0;
        margin-top: 50px;
    }
    
    .about-visual {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 60px 0;
    }
    
    .about-visual {
        min-height: 350px;
    }
    
    .about-visual-content {
        padding: 40px 30px;
    }
    
    .about-visual-title {
        font-size: 1.4rem;
    }
    
    .about-visual-subtitle {
        font-size: 0.9rem;
    }
    
    .about-title {
        font-size: 1.7rem;
    }
    
    .about-desc {
        font-size: 0.9rem;
    }
    
    .about-label {
        font-size: 0.8rem;
        padding: 5px 16px;
    }
    
    .about-advantage-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .about-visual {
        min-height: 300px;
    }
    
    .about-title {
        font-size: 1.5rem;
    }
    
    .about-desc {
        font-size: 0.85rem;
    }
    
    .about-visual-title {
        font-size: 1.2rem;
    }
    
    .about-visual-subtitle {
        font-size: 0.85rem;
    }
}

/* 产品中心模块 */
.products-section {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
}

.products-header {
    text-align: center;
    margin-bottom: 70px;
}

.products-main-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 10px;
    line-height: 1.2;
}

.products-subtitle {
    font-size: 1rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 10px;
}

.products-desc {
    font-size: 1.1rem;
    color: #666;
    font-weight: 300;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background: #ffffff;
    border: 1px solid #e8eef5;
    border-radius: 16px;
    padding: 40px 25px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    z-index: 1;
    pointer-events: auto;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #18447A, rgba(24, 68, 122, 0.3));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

.product-card:hover {
    border-color: #18447A;
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(24, 68, 122, 0.15);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, rgba(24, 68, 122, 0.1), rgba(24, 68, 122, 0.05));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #18447A;
    transition: all 0.4s ease;
}

.product-card:hover .product-icon {
    background: linear-gradient(135deg, #18447A, rgba(24, 68, 122, 0.8));
    color: #ffffff;
    transform: scale(1.1) rotate(5deg);
}

.product-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 16px;
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

.product-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 24px;
    min-height: 80px;
    position: relative;
    z-index: 2;
}

.product-link {
    display: inline-flex;
    align-items: center;
    color: #18447A;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    gap: 6px;
    pointer-events: none;
    position: relative;
    z-index: 2;
}

.product-card:hover .product-link {
    color: #1a4f8a;
    gap: 10px;
}

.product-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.product-card:hover .product-link::after {
    transform: translateX(4px);
}

/* 产品中心响应式设计 */
@media (max-width: 991px) {
    .products-section {
        padding: 80px 0;
    }
    
    .products-header {
        margin-bottom: 50px;
    }
    
    .products-main-title {
        font-size: 2.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .products-section {
        padding: 60px 0;
    }
    
    .products-main-title {
        font-size: 1.7rem;
    }
    
    .products-subtitle {
        font-size: 0.75rem;
        letter-spacing: 3px;
    }
    
    .products-desc {
        font-size: 0.9rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card {
        padding: 28px 20px;
    }
    
    .product-title {
        font-size: 1.1rem;
    }
    
    .product-desc {
        font-size: 0.85rem;
        min-height: auto;
    }
    
    .product-link {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .products-main-title {
        font-size: 1.5rem;
    }
    
    .product-title {
        font-size: 1rem;
    }
    
    .product-desc {
        font-size: 0.8rem;
    }
}

/* 成功案例模块 */
.cases-section {
    padding: 100px 0 110px;
    background: #f5f8fc;
    position: relative;
}

.cases-header {
    text-align: center;
    margin-bottom: 60px;
}

.cases-main-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 10px;
    line-height: 1.2;
}

.cases-subtitle {
    font-size: 1rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 10px;
}

.cases-desc {
    font-size: 1.05rem;
    color: #666;
    max-width: 720px;
    margin: 0 auto;
}

.cases-slider-wrapper {
    position: relative;
    margin-top: 30px;
}

.cases-swiper {
    padding: 10px 10px 40px;
}

.case-slide {
    overflow: hidden;
    border-radius: 20px;
    background: #000;
    position: relative;
}

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

.case-link {
    display: block;
}

.case-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.6s ease;
}

.case-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.05));
    z-index: 1;
    pointer-events: none;
}

.case-info {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 20px;
    z-index: 2;
    color: #fff;
}

.case-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.case-tagline {
    font-size: 0.9rem;
    opacity: 0.9;
}

.case-slide:hover .case-image img {
    transform: scale(1.06);
    filter: brightness(1.05);
}

/* 成功案例 Swiper 导航与分页样式 */
.cases-button-prev,
.cases-button-next {
    color: #18447A;
    width: 40px;
    height: 40px;
}

.cases-button-prev::after,
.cases-button-next::after {
    font-size: 20px;
}

.cases-pagination {
    bottom: 0 !important;
}

.cases-pagination .swiper-pagination-bullet {
    background: rgba(24, 68, 122, 0.3);
    opacity: 1;
}

.cases-pagination .swiper-pagination-bullet-active {
    background: #18447A;
}

/* 新闻资讯模块 */
.news-section {
    padding: 100px 0 110px;
    background: #ffffff;
    position: relative;
}

.news-header {
    text-align: center;
    margin-bottom: 50px;
}

.news-main-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 10px;
    line-height: 1.2;
}

.news-subtitle {
    font-size: 1rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 10px;
}

.news-desc {
    font-size: 1.05rem;
    color: #666;
    max-width: 720px;
    margin: 0 auto;
}

.news-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.news-item {
    background: #f8fbff;
    border-radius: 16px;
    border: 1px solid #e4ecf6;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.news-link {
    display: block;
    padding: 24px 24px 22px;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: #888;
}

.news-date {
    font-weight: 500;
}

.news-tag {
    padding: 2px 10px;
    border-radius: 999px;
    background: rgba(24, 68, 122, 0.06);
    color: #18447A;
    font-size: 0.8rem;
}

.news-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 8px;
    line-height: 1.5;
}

.news-excerpt {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 14px;
}

.news-more {
    font-size: 0.9rem;
    color: #18447A;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    position: relative;
}

.news-more::after {
    content: '→';
    transition: transform 0.3s ease;
}

.news-item:hover {
    border-color: #18447A;
    box-shadow: 0 16px 35px rgba(24, 68, 122, 0.12);
    transform: translateY(-4px);
}

.news-item:hover .news-more::after {
    transform: translateX(4px);
}

@media (max-width: 991px) {
    .news-section {
        padding: 80px 0 90px;
    }

    .news-main-title {
        font-size: 2.1rem;
    }
}

@media (max-width: 768px) {
    .news-section {
        padding: 60px 0 70px;
    }

    .news-main-title {
        font-size: 1.7rem;
    }
    
    .news-subtitle {
        font-size: 0.75rem;
    }

    .news-desc {
        font-size: 0.9rem;
    }
    
    .news-title {
        font-size: 1.1rem;
    }
    
    .news-excerpt {
        font-size: 0.85rem;
    }
    
    .news-date,
    .news-tag {
        font-size: 0.8rem;
    }
    
    .news-more {
        font-size: 0.85rem;
    }

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

@media (max-width: 576px) {
    .news-main-title {
        font-size: 1.5rem;
    }
    
    .news-title {
        font-size: 1rem;
    }
    
    .news-excerpt {
        font-size: 0.8rem;
    }
}

/* 页脚 */
.site-footer {
    background: #0f1b2d;
    color: #c9d3e8;
    padding: 40px 0 24px;
    font-size: 0.9rem;
}

.site-footer .footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer .footer-col {
    flex: 1;

    text-align: left;
}

.footer-logo {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 18px;
    padding-bottom: 20px;
}

.footer-intro {
    color: #9aa6c3;
    line-height: 1.7;
    margin: 0;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 18px;
    position: relative;
    display: inline-block;
    padding-bottom: 20px;
}

.footer-title::before {
    content: '';
    position: absolute;
    left: 90px;
    bottom: 0px;
    height: 2px;
    left: 0;
    width:90px;
    background: rgba(255, 255, 255, 0.25);
    z-index: 1;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0px;
    height: 2px;
    width: 26px;
    background: #ff5a32;
    z-index: 2;
    transition: width 0.3s ease;
}

.footer-col:hover .footer-title::after {
    width: 60px;
}


.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-list li {
    margin-bottom: 10px;
    color: #c9d3e8;
}

.footer-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 16px;
}

.footer-nav li {
    margin-bottom: 10px;
}

.footer-nav a {
    color: #c9d3e8;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-nav a:hover {
    color: #ffffff;
}

.footer-qrcode-box {
    text-align: left;
}

.footer-qrcode-box img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    display: block;
    margin: 0 0 8px;
    background: #ffffff;
    padding: 4px;
    border-radius: 8px;
}

.footer-qrcode-box p {
    font-size: 0.8rem;
    color: #9aa6c3;
    margin: 0;
}

.footer-bottom {
    padding-top: 16px;
    text-align: center;
}

.footer-copy {
    margin: 0;
    color: #7683a3;
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .site-footer {
        padding: 40px 20px 20px;
        font-size: 0.85rem;
        padding-bottom: calc(20px + 70px + env(safe-area-inset-bottom));
    }

    .site-footer .footer-top {
        gap: 32px;
        flex-direction: column;
    }

    .footer-col {
        width: 100%;
        flex-basis: 100%;
    }
    
    .footer-col.footer-brand {
        text-align: center;
    }
    
    .footer-logo {
        font-size: 1.2rem;
        margin-bottom: 16px;
        padding-bottom: 16px;
    }
    
    .footer-intro {
        font-size: 0.85rem;
        line-height: 1.8;
        margin-bottom: 0;
    }
    
    .footer-title {
        font-size: 1rem;
        margin-bottom: 16px;
        padding-bottom: 12px;
    }
    
    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .footer-nav li {
        margin-bottom: 8px;
    }
    
    .footer-nav a,
    .footer-contact-list li {
        font-size: 0.85rem;
        line-height: 1.8;
    }
    
    .footer-contact-list li {
        margin-bottom: 12px;
    }

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

    .footer-qrcode-box img {
        width: 100px;
        height: 100px;
        margin: 0 auto 12px;
    }
    
    .footer-qrcode-box p {
        font-size: 0.8rem;
    }
    
    .footer-bottom {
        padding-top: 24px;
        margin-top: 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-copy {
        font-size: 0.8rem;
        line-height: 1.6;
    }
}

@media (max-width: 991px) {
    .cases-section {
        padding: 80px 0 90px;
    }

    .cases-main-title {
        font-size: 2.1rem;
    }
}

@media (max-width: 768px) {
    .cases-section {
        padding: 60px 0 70px;
    }

    .cases-main-title {
        font-size: 1.7rem;
    }

    .cases-subtitle {
        font-size: 0.75rem;
    }

    .cases-desc {
        font-size: 0.9rem;
    }
    
    .case-title {
        font-size: 1.1rem;
    }
    
    .case-tagline {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .cases-main-title {
        font-size: 1.5rem;
    }
    
    .cases-desc {
        font-size: 0.85rem;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .banner-section {
        height: 70vh;
        min-height: 500px;
    }
    
    .banner-title {
        font-size: 2rem;
    }
    
    .banner-subtitle {
        font-size: 1rem;
    }
    
    .banner-btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }
    
    .banner-button-next,
    .banner-button-prev {
        width: 40px;
        height: 40px;
    }
    
    .banner-button-next::after,
    .banner-button-prev::after {
        font-size: 16px;
    }
    
    .banner-button-next:hover,
    .banner-button-prev:hover {
        transform: scale(1.1) translateY(-1px);
    }
}

@media (max-width: 480px) {
    .banner-title {
        font-size: 1.6rem;
    }
    
    .banner-subtitle {
        font-size: 0.9rem;
    }
    
    .banner-btn {
        padding: 8px 20px;
        font-size: 0.85rem;
    }
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #18447A 0%, #4A90E2 100%);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex !important;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(24, 68, 122, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9999;
    pointer-events: none;
}

.back-to-top.show {
    pointer-events: auto;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(24, 68, 122, 0.4);
    background: linear-gradient(135deg, #4A90E2 0%, #18447A 100%);
}

.back-to-top:active {
    transform: translateY(-2px);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: calc(90px + env(safe-area-inset-bottom));
        right: 20px;
        width: 45px;
        height: 45px;
        box-shadow: 0 4px 12px rgba(24, 68, 122, 0.35);
    }
    
    .back-to-top svg {
        width: 18px;
        height: 18px;
    }
    
    .back-to-top:active {
        transform: translateY(-2px) scale(0.95);
    }
}

/* 移动端拨打电话按钮 */
.mobile-call-btn {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 70px;
    background: linear-gradient(135deg, #18447A 0%, #4A90E2 100%);
    color: #ffffff;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    z-index: 9998;
    transition: all 0.3s ease;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    margin: 0;
    padding: 0;
    border-radius: 0;
}

.mobile-call-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.mobile-call-btn:active::before {
    left: 100%;
}

.mobile-call-btn:active {
    background: linear-gradient(135deg, #4A90E2 0%, #18447A 100%);
    transform: scale(0.97);
    box-shadow: 0 -2px 15px rgba(24, 68, 122, 0.4), 0 -1px 5px rgba(0, 0, 0, 0.15);
}

.mobile-call-btn svg {
    width: 26px;
    height: 26px;
    stroke: currentColor;
    stroke-width: 2;
    transition: all 0.3s ease;
    animation: phonePulse 2s ease-in-out infinite;
}

.mobile-call-btn:active svg {
    transform: scale(1.1) rotate(15deg);
}

.mobile-call-btn span {
    font-size: 1.1rem;
    letter-spacing: 1.5px;
    position: relative;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 电话图标脉冲动画 */
@keyframes phonePulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 添加装饰性圆点 */
.mobile-call-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 20px;
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    transform: translateY(-50%);
    animation: dotPulse 1.5s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% {
        opacity: 0.6;
        transform: translateY(-50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateY(-50%) scale(1.2);
    }
}

/* 移动端显示拨打电话按钮 */
@media (max-width: 768px) {
    .mobile-call-btn {
        display: flex;
        height: calc(70px + env(safe-area-inset-bottom));
        padding-bottom: env(safe-area-inset-bottom);
        border-radius: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100vw;
        margin-left: 0;
        margin-right: 0;
    }
    
    /* 为底部按钮预留空间，避免内容被遮挡 */
    body {
        padding-bottom: 0;
    }
    
    /* Footer 底部额外间距 */
    .site-footer {
        margin-bottom: 0;
    }
    
    /* 确保按钮完全贴底，覆盖任何可能的白底 */
    html, body {
        background-color: #0f1b2d;
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding: 32px 16px calc(20px + 65px + env(safe-area-inset-bottom));
    }
    
    .site-footer .footer-top {
        gap: 28px;
    }
    
    .footer-nav {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .footer-nav li {
        margin-bottom: 6px;
    }
    
    .mobile-call-btn {
        height: calc(65px + env(safe-area-inset-bottom));
        padding-bottom: env(safe-area-inset-bottom);
        font-size: 1rem;
        gap: 10px;
        border-radius: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100vw;
    }
    
    .mobile-call-btn svg {
        width: 24px;
        height: 24px;
    }
    
    .mobile-call-btn span {
        font-size: 1rem;
        letter-spacing: 1px;
    }
    
    .back-to-top {
        bottom: calc(85px + env(safe-area-inset-bottom));
        right: 16px;
        width: 42px;
        height: 42px;
    }
    
    .back-to-top svg {
        width: 16px;
        height: 16px;
    }
    
    body {
        padding-bottom: calc(65px + env(safe-area-inset-bottom));
    }
}

/* ============================================
   About.html 页面样式
   ============================================ */

/* 页面 Banner */
.page-banner-section {
    position: relative;
    padding: 0 0 60px;
    margin-top: 0;
    background-image: url('../images/ibanner.jpg');
    background-size: 100% auto;
    background-position: top center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow: hidden;
}

.page-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.75) 100%);
    z-index: 1;
}

.page-banner-content {
    position: relative;
    z-index: 2;
    color: #ffffff;
    padding-top: 150px;
}

.page-banner-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #ffffff;
}

.page-banner-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 25px;
}

.page-breadcrumb {
    display: inline-flex;
    padding: 10px 0px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.page-breadcrumb .breadcrumb {
    margin: 0;
    background: transparent;
    padding: 0;
}

.page-breadcrumb .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.page-breadcrumb .breadcrumb-item.active {
    color: #ffffff;
}

.page-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: rgba(255, 255, 255, 0.7);
    padding: 0 10px;
}

/* 通用区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 0.9rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 20px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #18447A, #4A90E2);
    margin: 0 auto;
    border-radius: 2px;
}

/* 核心优势 */
.about-features-section {
    padding: 100px 0;
    background: #ffffff;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #f0f0f0;
    margin-bottom: 30px;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(24, 68, 122, 0.15);
    border-color: #18447A;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(24, 68, 122, 0.1) 0%, rgba(74, 144, 226, 0.1) 100%);
    border-radius: 50%;
    color: #18447A;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, #18447A 0%, #4A90E2 100%);
    color: #ffffff;
    transform: scale(1.1);
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #18447A;
    margin-bottom: 15px;
}

.feature-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #666;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-banner-section {
        padding: 0 0 50px;
        margin-top: 0;
    }
    
    .page-banner-content {
        padding-top: 120px;
    }
    
    .page-banner-title {
        font-size: 2rem;
    }
    
    .page-banner-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .about-features-section {
        padding: 60px 0;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    .page-banner-section {
        padding: 0 0 40px;
    }
    
    .page-banner-content {
        padding-top: 100px;
    }
    
    .page-banner-title {
        font-size: 1.7rem;
    }
    
    .page-banner-subtitle {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

/* About.html 公司简介模块样式 */
.about-intro-section {
    padding: 100px 0;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.about-intro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(24, 68, 122, 0.05) 0%, rgba(74, 144, 226, 0.03) 100%);
    z-index: 0;
}

.about-intro-section .container {
    position: relative;
    z-index: 1;
}

.about-intro-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-intro-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #18447A;
    margin: 15px 0;
}

.about-intro-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 20px;
    font-weight: 400;
}

.about-intro-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #18447A, #4A90E2);
    margin: 0 auto;
    border-radius: 2px;
}

.about-intro-main {
    margin-top: 50px;
}

.about-intro-content {
    padding-right: 45px;
    max-height: 450px;
	line-height: 2;
	color: #333;
    overflow-y: auto;
    overflow-x: hidden;
}

/* 美化滚动条样式 */
.about-intro-content::-webkit-scrollbar {
    width: 2px;
    height: 4px;
}

.about-intro-content::-webkit-scrollbar-thumb {
    border-radius: 5px;
    background: #ff5b3f;
}

.about-intro-content::-webkit-scrollbar-track {
    border-radius: 0;
    background: #ededed;
}

.about-intro-image {
    position: relative;
    border-radius:50px 0 50px 0;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-intro-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.about-intro-image:hover img {
    transform: scale(1.05);
}


.about-intro-content-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #18447A;
    margin-top: 0;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(24, 68, 122, 0.1);
    position: relative;
}

.about-intro-content-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #18447A, #4A90E2);
}

.about-intro-text {
    font-size: 1rem;
    line-height: 1.9;
    color: #555;
    margin-bottom: 20px;
    text-align: justify;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-intro-content {
        padding-right: 0;
        margin-bottom: 40px;
        max-height: none;
        overflow-y: visible;
    }
}

@media (max-width: 768px) {
    .about-intro-section {
        padding: 60px 0;
    }
    
    .about-intro-title {
        font-size: 2rem;
    }
    
    .about-intro-subtitle {
        font-size: 1rem;
    }
    
    .about-intro-main {
        margin-top: 40px;
    }
    
    .about-intro-content {
        padding-right: 0;
        margin-bottom: 30px;
        max-height: none;
        overflow-y: visible;
    }
    
    .about-intro-content-title {
        font-size: 1.3rem;
    }
    
    .about-intro-text {
        font-size: 0.95rem;
        margin-bottom: 18px;
    }
    
    .about-intro-image {
        border-radius: 8px;
    }
}

@media (max-width: 576px) {
    .about-intro-title {
        font-size: 1.8rem;
    }
    
    .about-intro-content-title {
        font-size: 1.2rem;
    }
    
    .about-intro-text {
        font-size: 0.9rem;
    }
}

/* ============================================
   Productlist.html 产品中心页面样式
   ============================================ */

/* 产品列表区域 */
.products-list-section {
    padding: 100px 0;
    background: #f8f9fa;
    position: relative;
}

.products-list-header {
    text-align: center;
    margin-bottom: 60px;
}

.products-list-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 12px;
    line-height: 1.2;
}

.products-list-subtitle {
    font-size: 1rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 12px;
}

.products-list-desc {
    font-size: 1.1rem;
    color: #666;
    font-weight: 300;
    margin-bottom: 20px;
}

.products-list-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #18447A, #4A90E2);
    margin: 0 auto;
    border-radius: 2px;
}

.products-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.product-list-item {
    background: #ffffff;
    border: 1px solid #e8eef5;
    border-radius: 16px;
    padding: 40px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.product-list-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #18447A, rgba(24, 68, 122, 0.3));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 0;
}

.product-list-item:hover {
    border-color: #18447A;
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(24, 68, 122, 0.15);
    text-decoration: none;
    color: inherit;
}

.product-list-item:hover::before {
    transform: scaleX(1);
}

.product-list-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, rgba(24, 68, 122, 0.1), rgba(24, 68, 122, 0.05));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #18447A;
    transition: all 0.4s ease;
}

.product-list-item:hover .product-list-icon {
    background: linear-gradient(135deg, #18447A, rgba(24, 68, 122, 0.8));
    color: #ffffff;
    transform: scale(1.1) rotate(5deg);
}

.product-list-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 20px;
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

.product-list-desc {
    font-size: 1rem;
    color: #666;
    line-height: 1.9;
    margin-bottom: 24px;
    position: relative;
    z-index: 2;
}

.product-list-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    position: relative;
    z-index: 2;
}

.product-list-features li {
    font-size: 0.95rem;
    color: #555;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
}

.product-list-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #18447A;
    font-weight: 700;
    font-size: 1rem;
}

.product-list-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #18447A;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 24px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.product-list-link svg {
    transition: transform 0.3s ease;
}

.product-list-item:hover .product-list-link {
    color: #4A90E2;
    gap: 12px;
}

.product-list-item:hover .product-list-link svg {
    transform: translateX(4px);
}

/* 产品列表响应式设计 */
@media (max-width: 768px) {
    .products-list-section {
        padding: 60px 0;
    }
    
    .products-list-title {
        font-size: 2rem;
    }
    
    .products-list-subtitle {
        font-size: 0.85rem;
        letter-spacing: 4px;
    }
    
    .products-list-desc {
        font-size: 0.95rem;
    }
    
    .products-list-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    .product-list-item {
        padding: 30px 24px;
    }
    
    .product-list-title {
        font-size: 1.3rem;
        margin-bottom: 16px;
    }
    
    .product-list-desc {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .product-list-features {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .product-list-features li {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .products-list-title {
        font-size: 1.7rem;
    }
    
    .product-list-item {
        padding: 24px 20px;
    }
    
    .product-list-title {
        font-size: 1.2rem;
    }
    
    .product-list-desc {
        font-size: 0.85rem;
    }
    
    .product-list-features li {
        font-size: 0.85rem;
    }
}

/* ============================================
   案例列表页面样式
   ============================================ */
.cases-list-section {
    padding: 100px 0;
    background: #f8f9fa;
    position: relative;
}

.cases-list-header {
    text-align: center;
    margin-bottom: 60px;
}

.cases-list-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 10px;
    line-height: 1.2;
}

.cases-list-subtitle {
    font-size: 1rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 10px;
}

.cases-list-desc {
    font-size: 1.05rem;
    color: #666;
    max-width: 720px;
    margin: 0 auto 20px;
}

.cases-list-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #18447A, #4A90E2);
    border-radius: 2px;
    margin: 0 auto;
}

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

.case-list-item {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.case-list-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(24, 68, 122, 0.15);
}

.case-list-image {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: #000;
}

.case-list-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
}

.case-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.6s ease;
}

.case-list-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.case-list-more {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    padding: 12px 24px;
    background: rgba(24, 68, 122, 0.9);
    border-radius: 8px;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.case-list-item:hover .case-list-image img {
    transform: scale(1.1);
    filter: brightness(0.7);
}

.case-list-item:hover .case-list-overlay {
    opacity: 1;
}

.case-list-item:hover .case-list-more {
    transform: translateY(0);
}

.case-list-info {
    padding: 30px;
}

.case-list-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 8px;
    line-height: 1.4;
}

.case-list-tagline {
    font-size: 0.9rem;
    color: #18447A;
    margin-bottom: 12px;
    font-weight: 500;
}

.case-list-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 案例列表响应式设计 */
@media (max-width: 992px) {
    .cases-list-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .cases-list-section {
        padding: 60px 0;
    }
    
    .cases-list-title {
        font-size: 2rem;
    }
    
    .cases-list-subtitle {
        font-size: 0.85rem;
        letter-spacing: 4px;
    }
    
    .cases-list-desc {
        font-size: 0.95rem;
    }
    
    .cases-list-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    .case-list-image {
        height: 200px;
    }
    
    .case-list-info {
        padding: 24px;
    }
    
    .case-list-title {
        font-size: 1.2rem;
    }
    
    .case-list-desc {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .cases-list-title {
        font-size: 1.8rem;
    }
    
    .case-list-info {
        padding: 20px;
    }
    
    .case-list-title {
        font-size: 1.1rem;
    }
    
    .case-list-desc {
        font-size: 0.85rem;
    }
}

/* ============================================
   Protxt.html 产品详情页面样式
   ============================================ */

/* 产品详情区域 */
.product-detail-section {
    padding: 40px 0;
    background: #f8f9fa;
    position: relative;
}

/* 左侧产品栏目 */
.product-sidebar {
    background: #ffffff;
    border-radius: 12px;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 100px;
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateX(0) !important;
}

.product-sidebar-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #18447A;
    padding: 0 20px 20px;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(24, 68, 122, 0.1);
}

.product-sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-sidebar-item {
    display: block;
    padding: 15px 30px;
    color: #555;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-sidebar-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 0;
    background: #18447A;
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.product-sidebar-item:hover {
    color: #18447A;
    background: rgba(24, 68, 122, 0.05);
    text-decoration: none;
}

.product-sidebar-item:hover::before {
    height: 100%;
}

.product-sidebar-item.active {
    color: #18447A;
    background: rgba(24, 68, 122, 0.05);
    text-decoration: none;
}

.product-sidebar-item.active::before {
    height: 100%;
    animation: slideDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        height: 0;
        top: 0;
    }
    to {
        height: 100%;
        top: 0;
    }
}

/* 左侧联系方式 */
.product-sidebar-contact {
    margin-top: 30px;
    padding: 25px 30px 0;
    border-top: 1px solid rgba(24, 68, 122, 0.1);
}

.sidebar-contact-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #18447A;
    margin-bottom: 20px;
}

.sidebar-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.sidebar-contact-item:last-child {
    margin-bottom: 0;
}

.sidebar-contact-item i {
    font-size: 1.1rem;
    color: #18447A;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.contact-value {
    font-size: 0.95rem;
    color: #333;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
    flex: 1;
}

.contact-value:hover {
    color: #18447A;
    text-decoration: none;
}

.contact-value[href^="tel:"] {
    color: #18447A;
}

.contact-value[href^="tel:"]:hover {
    color: #4A90E2;
}

/* 右侧内容介绍 */
.product-detail-content {
    background: #ffffff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.product-detail-header {
    margin-bottom: 40px;
}

.product-detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 20px;
    line-height: 1.3;
}

.product-detail-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #18447A, #4A90E2);
    border-radius: 2px;
}

.product-detail-intro {
    margin-bottom: 50px;
}

.product-detail-text {
    font-size: 1.1rem;
    line-height: 1.9;
    color: #555;
    margin-bottom: 20px;
}

.product-detail-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: #18447A;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(24, 68, 122, 0.1);
    position: relative;
}

.product-detail-subtitle::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #18447A, #4A90E2);
}

/* 产品特性 */
.product-detail-features {
    margin-bottom: 50px;
}

.product-feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-feature-list li {
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(24, 68, 122, 0.1), rgba(24, 68, 122, 0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #18447A;
    flex-shrink: 0;
}

.feature-content {
    flex: 1;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 1rem;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

/* 应用领域 */
.product-detail-applications {
    margin-bottom: 50px;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.application-item {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 25px;
    transition: all 0.3s ease;
    border: 1px solid #e8eef5;
}

.application-item:hover {
    background: #ffffff;
    box-shadow: 0 4px 15px rgba(24, 68, 122, 0.1);
    transform: translateY(-3px);
}

.application-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #18447A;
    margin-bottom: 10px;
}

.application-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 服务流程 */
.product-detail-process {
    margin-bottom: 30px;
}

.process-timeline {
    position: relative;
    padding-left: 30px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #18447A, #4A90E2);
}

.process-step {
    display: flex;
    gap: 25px;
    margin-bottom: 40px;
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #18447A, #4A90E2);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(24, 68, 122, 0.3);
}

.process-content {
    flex: 1;
    padding-top: 5px;
}

.process-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 8px;
}

.process-desc {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 产品详情响应式设计 */
@media (max-width: 992px) {
    .product-sidebar {
        position: relative;
        top: 0;
        margin-bottom: 30px;
    }
    
    .product-detail-content {
        padding: 25px 20px;
    }
    
    .application-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-detail-section {
        padding: 40px 0;
    }
    
    .product-detail-content {
        padding: 20px 15px;
    }
    
    .product-detail-title {
        font-size: 2rem;
    }
    
    .product-detail-subtitle {
        font-size: 1.3rem;
    }
    
    .feature-item {
        flex-direction: column;
        gap: 15px;
    }
    
    .feature-icon {
        width: 45px;
        height: 45px;
    }
    
    .process-timeline {
        padding-left: 25px;
    }
    
    .process-timeline::before {
        left: 12px;
    }
    
    .process-number {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .product-detail-title {
        font-size: 1.7rem;
    }
    
    .product-detail-text {
        font-size: 1rem;
    }
    
    .product-detail-subtitle {
        font-size: 1.2rem;
    }
    
    .feature-title {
        font-size: 1.1rem;
    }
    
    .feature-desc {
        font-size: 0.95rem;
    }
    
    .application-item {
        padding: 20px;
    }
}

/* ============================================
   Casetxt.html 案例详情页面样式
   ============================================ */

/* 案例详情区域 */
.case-detail-section {
    padding: 40px 0;
    background: #f8f9fa;
    position: relative;
}

/* 左侧案例栏目 */
.case-sidebar {
    background: #ffffff;
    border-radius: 12px;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 100px;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
}

.case-sidebar-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #18447A;
    padding: 0 20px 20px;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(24, 68, 122, 0.1);
}

.case-sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.case-sidebar-item {
    display: block;
    padding: 15px 30px;
    color: #555;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-left: 3px solid transparent;
}

.case-sidebar-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, #18447A 0%, #4A90E2 100%);
    transition: height 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.case-sidebar-item:hover {
    color: #18447A;
    background: rgba(24, 68, 122, 0.05);
    text-decoration: none;
}

.case-sidebar-item:hover::before {
    height: 100%;
}

.case-sidebar-item.active {
    color: #18447A;
    background: rgba(24, 68, 122, 0.05);
    text-decoration: none;
}

.case-sidebar-item.active::before {
    height: 100%;
    animation: slideDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-sidebar-contact {
    margin-top: 30px;
    padding: 25px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 0 0 12px 12px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.03);
    border-top: 1px solid rgba(24, 68, 122, 0.1);
}

/* 案例详情内容 */
.case-detail-content {
    background: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    max-width: 1200px;
    margin: 0 auto;
}

.case-detail-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(24, 68, 122, 0.1);
    text-align: center;
}

.case-detail-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 20px;
    line-height: 1.3;
}

.case-detail-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #666;
}

.case-detail-date,
.case-detail-views {
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-detail-date svg,
.case-detail-views svg {
    width: 16px;
    height: 16px;
    color: #18447A;
    flex-shrink: 0;
}


.case-detail-box {
    margin-bottom: 50px;
    min-height: 300px;
    line-height: 1.8;
    color: #555;
}

/* 上一个/下一个导航 */
.case-detail-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid rgba(24, 68, 122, 0.1);
    gap: 20px;
}

.case-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.case-nav-item:hover {
    background: rgba(24, 68, 122, 0.05);
    border-color: rgba(24, 68, 122, 0.2);
    text-decoration: none;
    color: #18447A;
    transform: translateY(-2px);
}

.case-nav-prev {
    text-align: left;
}

.case-nav-next {
    text-align: right;
}

.case-nav-label {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 8px;
}

.case-nav-title {
    font-size: 1rem;
    font-weight: 500;
    color: #333;
}

.case-nav-item:hover .case-nav-title {
    color: #18447A;
}

.case-nav-back {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: #18447A;
    color: #ffffff;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    gap: 8px;
    white-space: nowrap;
}

.case-nav-back:hover {
    background: #4A90E2;
    color: #ffffff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(24, 68, 122, 0.3);
}

.case-nav-back svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* 案例详情响应式设计 */
@media (max-width: 992px) {
    .case-detail-content {
        padding: 30px 25px;
    }
    
    .case-detail-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    .case-detail-section {
        padding: 40px 0;
    }
    
    .case-detail-content {
        padding: 25px 20px;
    }
    
    .case-detail-title {
        font-size: 1.5rem;
    }
    
    .case-detail-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .case-detail-nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .case-nav-item {
        width: 100%;
    }
    
    .case-nav-prev,
    .case-nav-next {
        text-align: center;
    }
    
    .case-nav-back {
        order: -1;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .case-detail-content {
        padding: 20px 15px;
    }
    
    .case-detail-title {
        font-size: 1.3rem;
    }
    
    .case-detail-meta {
        font-size: 0.85rem;
    }
}

/* ============================================
   新闻资讯列表页面样式
   ============================================ */
.news-list-section {
    padding: 100px 0;
    background: #f8f9fa;
    position: relative;
}

.news-list-header {
    text-align: center;
    margin-bottom: 60px;
}

.news-list-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 10px;
    line-height: 1.2;
}

.news-list-subtitle {
    font-size: 1rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 10px;
}

.news-list-desc {
    font-size: 1.05rem;
    color: #666;
    max-width: 720px;
    margin: 0 auto 20px;
}

.news-list-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #18447A, #4A90E2);
    border-radius: 2px;
    margin: 0 auto;
}

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

.news-list-item {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e4ecf6;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.news-list-item:hover {
    border-color: #18447A;
    box-shadow: 0 16px 35px rgba(24, 68, 122, 0.12);
    transform: translateY(-4px);
}

.news-list-link {
    display: block;
    padding: 30px;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.news-list-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: #888;
}

.news-list-date {
    font-weight: 500;
}

.news-list-tag {
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(24, 68, 122, 0.06);
    color: #18447A;
    font-size: 0.8rem;
    font-weight: 500;
}

.news-list-title-item {
    font-size: 1.2rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 12px;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.news-list-item:hover .news-list-title-item {
    color: #18447A;
}

.news-list-excerpt {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-list-more {
    font-size: 0.9rem;
    color: #18447A;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    position: relative;
    transition: gap 0.3s ease;
}

.news-list-more::after {
    content: '→';
    transition: transform 0.3s ease;
}

.news-list-item:hover .news-list-more {
    gap: 8px;
}

.news-list-item:hover .news-list-more::after {
    transform: translateX(4px);
}

/* 新闻列表响应式设计 */
@media (max-width: 992px) {
    .news-list-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .news-list-section {
        padding: 60px 0;
    }
    
    .news-list-title {
        font-size: 2rem;
    }
    
    .news-list-subtitle {
        font-size: 0.85rem;
        letter-spacing: 4px;
    }
    
    .news-list-desc {
        font-size: 0.95rem;
    }
    
    .news-list-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    .news-list-link {
        padding: 24px;
    }
    
    .news-list-title-item {
        font-size: 1.1rem;
    }
    
    .news-list-excerpt {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .news-list-title {
        font-size: 1.8rem;
    }
    
    .news-list-link {
        padding: 20px;
    }
    
    .news-list-title-item {
        font-size: 1rem;
    }
    
    .news-list-excerpt {
        font-size: 0.85rem;
    }
}

/* ============================================
   联系我们页面样式
   ============================================ */
.contact-section {
    padding: 60px 0;
    background: #f8f9fa;
    position: relative;
}

.contact-wrapper {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-form-wrapper,
.contact-info-wrapper {
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
}

.contact-info-content {
    padding: 0;
}

.contact-form-title,
.contact-info-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #18447A;
    margin-bottom: 10px;
}

.contact-form-subtitle,
.contact-info-subtitle {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 30px;
}

/* 联系表单样式 */
.contact-form {
    margin-top: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
}

.required {
    color: #ff5b3f;
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    color: #333;
    background: #ffffff;
    border: 1px solid #e4ecf6;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #18447A;
    box-shadow: 0 0 0 3px rgba(24, 68, 122, 0.1);
}

.form-control::placeholder {
    color: #999;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 14px 30px;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #18447A 0%, #4A90E2 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #4A90E2 0%, #18447A 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(24, 68, 122, 0.3);
}

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

/* 联系信息样式 */
.contact-info-list {
    margin-bottom: 0;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    margin-bottom: 15px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    background: rgba(24, 68, 122, 0.05);
    transform: translateX(5px);
}

.contact-info-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, rgba(24, 68, 122, 0.1), rgba(24, 68, 122, 0.05));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #18447A;
    flex-shrink: 0;
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.contact-info-icon svg {
    width: 24px;
    height: 24px;
}

.contact-info-item:hover .contact-info-icon {
    background: linear-gradient(135deg, #18447A, #4A90E2);
    color: #ffffff;
    transform: scale(1.1);
}

.contact-info-content-item {
    flex: 1;
}

.contact-info-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #18447A;
    margin-bottom: 6px;
}

.contact-info-value {
    font-size: 0.95rem;
    color: #333;
    display: block;
    line-height: 1.5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info-value[href]:hover {
    color: #4A90E2;
}

.contact-image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
}

.contact-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.contact-image-wrapper:hover .contact-image {
    transform: scale(1.05);
}

/* 联系我们响应式设计 */
@media (max-width: 992px) {
    .contact-wrapper {
        padding: 30px;
    }
    
    .contact-info-content {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .contact-section {
        padding: 60px 0;
    }
    
    .contact-wrapper {
        padding: 25px 20px;
    }
    
    .contact-info-title {
        font-size: 1.5rem;
    }
    
    .contact-info-item {
        padding: 18px;
    }
    
    .contact-info-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .contact-wrapper {
        padding: 20px 15px;
    }
    
    .contact-info-title {
        font-size: 1.3rem;
    }
    
    .contact-info-item {
        padding: 15px;
        gap: 15px;
    }
}


/*分页*/
.pagination {
    display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px
}
.pagination>li {
    display: inline
}
.pagination>li>a, .pagination>li>span {
    position: relative;
    float: left;
    padding: 6px 12px;
    margin-left: -1px;
    line-height: 1.42857143;
    color: #337ab7;
    text-decoration: none;
    background-color: #fff;
    border: 1px solid #ddd
}
.pagination>li:first-child>a, .pagination>li:first-child>span {
    margin-left: 0;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px
}
.pagination>li:last-child>a, .pagination>li:last-child>span {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px
}
.pagination>li>a:focus, .pagination>li>a:hover, .pagination>li>span:focus, .pagination>li>span:hover {
    z-index: 3;
    color: #23527c;
    background-color: #eee;
    border-color: #ddd
}