/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
	font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

:root {
    --primary-color: #4a9ad4; /* 天蓝色 */
    --primary-dark: #3a7db0; /* 深天蓝色 */
    --primary-light: #c6e3f7; /* 浅天蓝色 */
    --cloud-color: #f7fbff; /* 白云色 */
    --cloud-dark: #e8f4fd; /* 深白云色 */
    --text-dark: #2c4658; /* 深色文本 */
    --text-light: #5a7d93; /* 浅色文本 */
    --shadow-color: rgba(74, 154, 212, 0.15); /* 阴影颜色 */
}

/*:root {
        --primary-gradient: linear-gradient(90deg, #ff4d4d 0%, #4d79ff 100%);
        --primary-color: #4d79ff;
        --secondary-color: #ff4d4d;
        --text-light: #ffffff;
        --text-dark: #333333;
        --shadow-color: rgba(0, 0, 0, 0.15);
        --transition-speed: 0.3s;
        --header-height: 80px;
        --scrolled-header-height: 60px;
}*/

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--cloud-color);
    animation: fadeIn 1s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}


/* 头部样式 - 优化版 */
header {
    background: linear-gradient(90deg, #ff4d4d 0%, #4d79ff 100%);
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    background-color: var(--primary-color);
    box-shadow: 0 2px 15px var(--shadow-color);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    max-width: 1500px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo img {
    width: 60px;
    height: 60px;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.logo img:hover {
    transform: scale(1.1) rotate(5deg);
}

.logo h1 {
    font-size: 24px;
    color: #fff;
    margin: 0;
    font-weight: 600;
    transition: all 0.3s ease;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}
        
/* 汉堡菜单 */
        .hamburger {
            display: none;
            cursor: pointer;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 10px 12px;
            transition: all var(--transition-speed) ease;
            z-index: 1001;
        }
        
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.3);
        }
        
        .hamburger i {
            color: var(--text-light);
            font-size: 28px;
            transition: transform var(--transition-speed) ease;
        }
        
 /* 响应式设计 */
        @media (max-width: 992px) {
            nav ul {
                gap: 10px;
            }
            
            nav ul li a {
                padding: 8px 15px;
                font-size: 15px;
            }
            
            .logo h1 {
                font-size: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                padding: 0 20px;
            }
            
            .logo h1 {
                font-size: 18px;
            }
            
            nav {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: rgba(26, 58, 108, 0.95);
                backdrop-filter: blur(5px);
                display: flex;
                justify-content: center;
                align-items: center;
                clip-path: circle(0% at 100% 0);
                transition: clip-path 0.7s ease;
                z-index: 999;
            }
            
            nav.active {
                clip-path: circle(150% at 100% 0);
            }
            
            nav ul {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
            
            nav ul li a {
                font-size: 20px;
                padding: 15px 40px;
                border-radius: 50px;
                background: rgba(255, 255, 255, 0.1);
            }
            
            .hamburger {
                display: block;
            }
        }
        
        @media (max-width: 576px) {
            .logo h1 {
                font-size: 16px;
                max-width: 180px;
                line-height: 1.3;
            }
            
            .logo {
                gap: 12px;
            }
            
            .logo-img {
                width: 50px;
                height: 50px;
            }
        }
        
/* 头部样式优化版 */

/* 头部样式 
header {
    background: linear-gradient(90deg, #ff4d4d 0%, #4d79ff 100%);
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    background-color: var(--primary-color);
    box-shadow: 0 2px 15px var(--shadow-color);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    max-width: 1400px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo img {
    width: 60px;
    height: 60px;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.logo img:hover {
    transform: scale(1.1) rotate(5deg);
}

.logo h1 {
    font-size: 24px;
    color: #fff;
    margin: 0;
    font-weight: 600;
    transition: all 0.3s ease;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}
 头部样式 */


/* 主要内容样式 */
main {
    margin-top: 80px;
}

/* 通用样式 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 20px;
    color: var(--primary-color);
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    border-radius: 3px;
}

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

.section-header h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    border-radius: 3px;
}

.section-header p {
    color: #666;
    font-size: 18px;
}

/* 轮播图样式优化 */
.slider {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    margin-top: 80px;
    box-shadow: 0 15px 30px var(--shadow-color);
    border-radius: 0 0 30px 30px;
    touch-action: pan-y pinch-zoom; /* 优化移动端触摸体验 */
}

.slider-container {
    display: flex;
    width: 300%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
    will-change: transform; /* 性能优化：提前告知浏览器该属性会变化 */
    transform: translateX(0%); /* 确保初始位置正确 */
}

.slide {
    width: 33.333%;
    height: 100%;
    position: relative;
    overflow: hidden;
    outline: none; /* 移除焦点轮廓 */
    opacity: 0.7; /* 非活动幻灯片透明度 */
    transition: opacity 0.8s ease; /* 添加透明度过渡 */
}

.slide.active {
    opacity: 1; /* 活动幻灯片完全不透明 */
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 8s ease, filter 0.5s ease; /* 添加滤镜过渡效果 */
    transform: scale(1.05);
    will-change: transform; /* 性能优化 */
}

.slide.active img {
    transform: scale(1);
    filter: brightness(1.05); /* 活动幻灯片亮度增加 */
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(26, 95, 122, 0.7), rgba(74, 154, 212, 0.4));
    z-index: 1;
    transition: opacity 0.5s ease; /* 添加过渡效果 */
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
    width: 80%;
    max-width: 800px;
}

.slide-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.slide-content p {
    font-size: 24px;
    margin-bottom: 30px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.slide-content .banner-buttons {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.slide.active .slide-content h2 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.slide.active .slide-content p {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}

.slide.active .slide-content .banner-buttons {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.7s;
}

/* 轮播导航点样式优化 */
.slider-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    z-index: 10;
    gap: 12px; /* 增加间距 */
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); /* 添加阴影 */
}

.slider-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.1); /* 悬停放大效果 */
}

.slider-dot.active {
    background-color: #fff;
    transform: scale(1.2); /* 活动状态放大效果 */
}

/* 新增进度条样式 */
.slider-progress {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 9;
}

.progress-bar {
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background-color: rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.progress-inner {
    height: 100%;
    width: 0%;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 2px;
}

/* 轮播箭头样式优化 */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px); /* 毛玻璃效果 */
    -webkit-backdrop-filter: blur(5px); /* Safari支持 */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.slider-arrow:hover {
    background-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
    left: 20px;
}

.slider-arrow.next {
    right: 20px;
}

/* 轮播加载效果 */
.slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 154, 212, 0.8), rgba(26, 95, 122, 0.8));
    z-index: 15;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.slider.loading::before {
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .slider {
        height: 500px;
        margin-top: 70px;
    }
}

@media (max-width: 992px) {
    .intro-content {
        display: flex;
        flex-direction: column;
        gap: 20px;
        align-items: stretch;
    }
    .intro-image-container {
        order: 0;
        width: 100%;
        max-width: 100%;
        margin: 0 auto 16px auto;
        padding: 0;
        height: auto;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .intro-image {
        position: relative;
        width: 100%;
        max-width: 350px;
        height: auto;
        min-height: unset;
        margin: 0 auto;
        box-shadow: 0 4px 16px var(--shadow-color);
        animation: none;
        opacity: 1;
        transform: none;
    }
    .main-image {
        width: 100%;
        max-width: 350px;
        height: auto;
        max-height: 180px;
        margin: 0 auto;
        display: block;
        object-fit: contain;
    }
    .intro-text {
        order: 1;
        width: 100%;
        padding: 0 8px;
        text-align: left;
        margin-top: 0;
        animation: none;
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 768px) {
    .intro-image-container {
        height: auto;
    }
    
    .main-image {
        max-height: 250px;
    }
}

@media (max-width: 576px) {
    .main-image {
        max-height: 200px;
    }
}

@media (max-width: 768px) {
    .slider {
        height: 400px;
        margin-top: 60px;
        border-radius: 0 0 20px 20px; /* 减小边框半径 */
    }

    .slide-content h2 {
        font-size: 36px;
        margin-bottom: 15px;
    }

    .slide-content p {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .slider-arrow.prev {
        left: 10px;
    }
    
    .slider-arrow.next {
        right: 10px;
    }
    
    .slider-nav {
        bottom: 20px;
    }
    
    .slider-progress {
        bottom: 8px;
    }
    
    .progress-bar {
        width: 30px;
        height: 3px;
    }
    
    /* 公司简介响应式 */
    .intro-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-item {
        padding: 15px;
    }
    
    .stat-number {
        font-size: 30px;
    }
    
    
}

@media (max-width: 576px) {
    .slider {
        height: 300px;
        margin-top: 50px;
    }

    .slide-content h2 {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .slide-content p {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .banner-buttons {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .banner-buttons a {
        margin: 0;
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .slider-nav {
        bottom: 15px;
        gap: 8px;
    }
    
    .slider-dot {
        width: 10px;
        height: 10px;
    }
    
    .slider-progress {
        display: none; /* 在很小的屏幕上隐藏进度条 */
    }
}

/* 横幅样式 */
.banner {
    background: linear-gradient(rgba(74, 154, 212, 0.8), rgba(74, 154, 212, 0.8)), url('../images/banner.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 150px 0;
    text-align: center;
    position: relative;
}

.banner:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url('../images/cloud-divider.png');
    background-size: cover;
    background-position: center bottom;
}

.banner h2 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.banner p {
    font-size: 20px;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.banner-buttons {
    animation: fadeInUp 1s ease 0.4s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: #fff;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    margin: 0 10px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px var(--shadow-color);
    border: none;
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    border: 2px solid #fff;
    margin: 0 10px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    margin: 0 20px 20px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px var(--shadow-color);
    border: none;
}

.btn:hover {
    background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

/* 特色部分样式 */
.features {
    padding: 80px 0;
    background: var(--cloud-color);
}

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

.feature-item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 24px;
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    position: relative;
}

.feature-link:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.feature-link:hover:after {
    width: 100%;
}

/* 最新产品样式 */
.latest-products {
    padding: 80px 0;
    background-color: #fff;
}

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

.product-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.product-item:nth-child(2) { animation-delay: 0.2s; }
.product-item:nth-child(3) { animation-delay: 0.4s; }
.product-item:nth-child(4) { animation-delay: 0.6s; }
.product-item:nth-child(5) { animation-delay: 0.8s; }
.product-item:nth-child(6) { animation-delay: 1s; }

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

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

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-item:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(74, 154, 212, 0.1), rgba(74, 154, 212, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.product-overlay a {
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.product-item:hover .product-overlay a {
    transform: translateY(0);
}

.product-content {
    padding: 25px;
}

.product-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 22px;
    position: relative;
    padding-bottom: 10px;
}

.product-content h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
}

.product-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.product-features li {
    color: var(--text-light);
    margin-bottom: 8px;
    padding-left: 25px;
    position: relative;
}

.product-features li:before {
    content: '✓';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.product-price {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 18px;
}

.product-stock {
    color: #28a745;
    font-size: 14px;
    background: rgba(40, 167, 69, 0.1);
    padding: 5px 10px;
    border-radius: 20px;
}

/* 新闻预览样式 */
.news-preview {
    padding: 80px 0;
    background: var(--cloud-color);
}

.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.news-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    margin-bottom: 30px;
}

.news-item.featured {
    margin-bottom: 0;
}

.news-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-date {
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 10px;
    display: block;
}

.news-content h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 20px;
}

.news-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    position: relative;
}

.read-more:after {
    content: '→';
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover:after {
    transform: translateX(5px);
}

/* 联系预览样式 */
.contact-preview {
    padding: 80px 0;
    background: linear-gradient(rgba(74, 154, 212, 0.9), rgba(74, 154, 212, 0.9)), url('../images/cloud-bg-large.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    position: relative;
}

.contact-preview:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: url('../images/cloud-divider-reverse.png');
    background-size: cover;
    background-position: center top;
    transform: rotate(180deg);
}

.contact-preview:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: url('../images/cloud-divider.png');
    background-size: cover;
    background-position: center bottom;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-content h2 {
    font-size: 36px;
    margin-bottom: 30px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.info-item i {
    font-size: 24px;
}

.info-item p {
    margin: 0;
    font-size: 16px;
}

/* 页脚样式 */
footer {
    background: linear-gradient(to bottom, #c6e3f7, #4a9ad4, #3a7db0);
    color: #fff;
    padding: 60px 0 20px;
    position: relative;
    box-shadow: 0 -5px 15px rgba(74, 154, 212, 0.2);
}

footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background: url('../images/cloud-divider-reverse.png');
    background-size: cover;
    background-position: center top;
    transform: rotate(180deg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo img {
    width: 50px;
    height: 50px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.footer-logo h3 {
    font-size: 18px;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}
.footer-bottom a {
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-links a:before {
    content: '›';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 18px;
    line-height: 1;
    transition: transform 0.3s ease;
}

.footer-links a:hover {
    color: rgba(255,255,255,0.9);
}

.footer-links a:hover:before {
    transform: translateX(3px);
}

.footer-qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.footer-qrcode img {
    width: 120px;
    height: 120px;
    background: white;
    padding: 5px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.footer-qrcode img:hover {
    transform: scale(1.05);
}

.footer-qrcode p {
    font-size: 14px;
    text-align: center;
    margin: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .footer-qrcode {
        grid-column: 1 / -1;
        margin-top: 20px;
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        margin-top: 10px;
    }
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer-logo {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .banner h2 {
        font-size: 36px;
    }

    .banner p {
        font-size: 18px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .section-header p {
        font-size: 16px;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

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

    .feature-item h3 {
        font-size: 20px;
    }

    .product-content h3,
    .news-content h3 {
        font-size: 18px;
    }
}

/* 页面横幅样式优化 */
.page-banner {
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.9), rgba(70, 120, 210, 0.95), rgba(38, 100, 220, 0.85));
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 50px 0 65px;
    text-align: center;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 -10px 30px rgba(0, 0, 0, 0.1);
}

/* 添加微妙的背景纹理 */
.page-banner:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern-dot.png');
    background-size: 4px 4px;
    opacity: 0.06;
    z-index: 1;
}

/* 底部波浪效果 */
.page-banner:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 40px;
    background: url('../images/wave-divider.svg');
    background-size: 100% 100%;
    background-position: center bottom;
    z-index: 2;
}

.page-banner .container {
    position: relative;
    z-index: 3;
    max-width: 800px;
    margin: 0 auto;
}

/* 标题样式增强 */
.page-banner h2 {
    font-size: 36px;
    margin-bottom: 18px;
    text-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    animation: fadeInDown 0.8s ease;
    position: relative;
    display: inline-block;
    letter-spacing: 0.5px;
    font-weight: 700;
}

/* 精美下划线 */
.page-banner h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, rgba(255,255,255,0.4), rgba(255,255,255,1), rgba(255,255,255,0.4));
    border-radius: 3px;
}

/* 副标题增强 */
.page-banner p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 22px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
    line-height: 1.6;
    letter-spacing: 0.3px;
}

/* 云朵装饰元素增强 */
.cloud-decoration {
    position: absolute;
    z-index: 2;
    filter: brightness(1.2) drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
    transition: all 0.5s ease;
}

.cloud-1 {
    top: 15%;
    left: 5%;
    width: 120px;
    opacity: 0.75;
    animation: floatSlow 12s ease-in-out infinite;
}

.cloud-2 {
    top: 35%;
    right: 7%;
    width: 80px;
    opacity: 0.65;
    animation: floatMedium 10s ease-in-out infinite 1s;
}

.cloud-3 {
    bottom: 25%;
    left: 12%;
    width: 100px;
    opacity: 0.7;
    animation: floatFast 8s ease-in-out infinite 0.5s;
}

/* 添加光效 */
.banner-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotateSlow 30s linear infinite;
    z-index: 1;
    pointer-events: none;
}

/* 更平滑的浮动动画 */
@keyframes floatSlow {
    0%, 100% { transform: translateY(0) rotate(1deg); }
    50% { transform: translateY(-20px) rotate(-1deg); }
}

@keyframes floatMedium {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

@keyframes floatFast {
    0%, 100% { transform: translateY(0) rotate(0); }
    50% { transform: translateY(-12px) rotate(2deg); }
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 悬停效果 */
.page-banner:hover .cloud-1 {
    transform: translateY(-5px);
}

.page-banner:hover .cloud-2 {
    transform: translateY(-8px);
}

.page-banner:hover .cloud-3 {
    transform: translateY(-6px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .page-banner {
        padding: 40px 0 50px;
    }
    
    .page-banner h2 {
        font-size: 28px;
    }
    
    .page-banner p {
        font-size: 16px;
        padding: 0 20px;
    }
    
    .cloud-1 {
        width: 80px;
    }
    
    .cloud-2 {
        width: 60px;
    }
    
    .cloud-3 {
        width: 70px;
    }
}

/* 按钮样式优化 */
.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: #fff;
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    margin: 0 10px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px var(--shadow-color);
    border: none;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.btn-primary: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: all 0.6s ease;
}

.btn-primary:hover {
    background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.btn-primary:hover:before {
    left: 100%;
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    border: 2px solid #fff;
    margin: 0 10px;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.btn-secondary: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: all 0.6s ease;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover:before {
    left: 100%;
}

@keyframes cloudMove {
    from {
        background-position: 0% 0%;
    }
    to {
        background-position: 100% 0%;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-banner {
        padding: 60px 0 80px;
    }
    
    .page-banner h2 {
        font-size: 32px;
    }
    
    .page-banner p {
        font-size: 16px;
    }
    
    .page-banner .banner-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 28px;
        margin: 5px 0;
    }
}

/* 产品展示样式 */
.products {
    padding: 60px 0;
    background-color: var(--cloud-color);
    position: relative;
}

.products:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/cloud-bg.png');
    background-size: cover;
    opacity: 0.05;
    z-index: 0;
}

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

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
    position: relative;
}

.product-item:nth-child(2) { animation-delay: 0.2s; }
.product-item:nth-child(3) { animation-delay: 0.4s; }
.product-item:nth-child(4) { animation-delay: 0.6s; }
.product-item:nth-child(5) { animation-delay: 0.8s; }
.product-item:nth-child(6) { animation-delay: 1s; }

.product-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px var(--shadow-color);
}

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

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

.product-item:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(74, 154, 212, 0.1), rgba(74, 154, 212, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.product-overlay a {
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.product-item:hover .product-overlay a {
    transform: translateY(0);
}

.product-content {
    padding: 25px;
}

.product-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 22px;
    position: relative;
    padding-bottom: 10px;
}

.product-content h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
}

.product-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.product-features li {
    color: var(--text-light);
    margin-bottom: 8px;
    padding-left: 25px;
    position: relative;
}

.product-features li:before {
    content: '✓';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.product-price {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 18px;
}

.product-stock {
    color: #28a745;
    font-size: 14px;
    background: rgba(40, 167, 69, 0.1);
    padding: 5px 10px;
    border-radius: 20px;
}

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

.pagination a {
    padding: 10px 18px;
    border: 1px solid var(--primary-light);
    border-radius: 30px;
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
    background: #fff;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

.pagination a:hover,
.pagination a.active {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 220px;
    }
    
    .product-content h3 {
        font-size: 20px;
    }
    
    .pagination a {
        padding: 8px 15px;
        font-size: 14px;
    }
}

/* 设备展示样式 */
.equipment {
    padding: 60px 0;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.equipment-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.3s ease;
}

.equipment-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.equipment-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.equipment-content {
    padding: 20px;
}

.equipment-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.equipment-content p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.equipment-features {
    list-style: none;
    padding: 0;
}

.equipment-features li {
    color: #666;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.equipment-features li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .equipment-grid {
        grid-template-columns: 1fr;
    }
}

/* 招标平台样式 */
.tender {
    padding: 60px 0;
}

.tender-filters {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.filter-select,
.search-input {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.filter-select {
    min-width: 150px;
}

.search-input {
    flex: 1;
    max-width: 300px;
}

.tender-list {
    display: grid;
    gap: 20px;
}

.tender-item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 20px;
}

.tender-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.tender-header h3 {
    color: var(--primary-color);
    margin: 0;
}

.tender-status {
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 14px;
    background: #f0f0f0;
    color: #666;
}

.tender-status.active {
    background: var(--primary-light);
    color: var(--primary-color);
}

.tender-content {
    margin-bottom: 20px;
}

.tender-content p {
    margin: 5px 0;
    color: #666;
}

.tender-footer {
    text-align: right;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #666;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination a.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .tender-filters {
        flex-direction: column;
    }

    .search-input {
        max-width: 100%;
    }
}

/* 新闻中心样式 */
.news {
    padding: 60px 0;
    background-color: var(--cloud-color);
}

.news-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.news-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.news-item:nth-child(2) { animation-delay: 0.2s; }
.news-item:nth-child(3) { animation-delay: 0.4s; }
.news-item:nth-child(4) { animation-delay: 0.6s; }

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

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

.news-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.news-item.featured .news-image {
    height: 100%;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-item:hover .news-image img {
    transform: scale(1.1);
}

.news-content {
    padding: 25px;
}

.news-category {
    display: inline-block;
    padding: 5px 15px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-date {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
    display: block;
}

.news-content h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 20px;
    line-height: 1.4;
}

.news-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more {
    color: #1a5f7a;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.read-more:after {
    content: '→';
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover:after {
    transform: translateX(5px);
}

/* 新闻侧边栏样式 */
.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-categories,
.hot-news,
.news-tags {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.news-categories h3,
.hot-news h3,
.news-tags h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.news-categories ul,
.hot-news ul {
    list-style: none;
    padding: 0;
}

.news-categories li,
.hot-news li {
    margin-bottom: 15px;
}

.news-categories a,
.hot-news a {
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.news-categories a:hover,
.hot-news a:hover,
.news-categories a.active {
    color: var(--primary-color);
    transform: translateX(5px);
}

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

.tag {
    display: inline-block;
    padding: 5px 15px;
    background: var(--cloud-dark);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid var(--primary-light);
}

.tag:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 5px 10px var(--shadow-color);
}

/* 订阅区域样式 */
.news-subscribe {
    padding: 80px 0;
    background: linear-gradient(rgba(74, 154, 212, 0.9), rgba(74, 154, 212, 0.9)), url('../images/cloud-bg-large.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    position: relative;
}

.subscribe-preview {
    max-width: 600px;
    margin: 0 auto;
}

.subscribe-preview h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.subscribe-preview p {
    font-size: 18px;
    margin-bottom: 30px;
}

.subscribe-form {
    display: flex;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.subscribe-form input {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.subscribe-form button {
    padding: 12px 30px;
    background: linear-gradient(to right, #fff, #f0f0f0);
    color: var(--primary-color);
    border: none;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.subscribe-form button:hover {
    background: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .news-layout {
        grid-template-columns: 1fr;
    }

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

    .news-item.featured .news-image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .subscribe-form {
        flex-direction: column;
    }

    .subscribe-form button {
        width: 100%;
    }

    .news-content h3 {
        font-size: 18px;
    }

    .news-category {
        font-size: 12px;
        padding: 3px 10px;
    }
}

/* 动画关键帧 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 关于我们页面样式 */
.about-intro {
    padding: 80px 0;
    background: var(--cloud-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 32px;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.about-text h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.about-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 16px;
}

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

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

/* 企业价值观样式 */
.company-values {
    padding: 80px 0;
    background-color: #fff;
}

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

.value-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    text-align: center;
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.value-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.value-item h4 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 15px;
}

.value-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 企业优势样式 */
.company-strengths {
    padding: 80px 0;
    background: var(--cloud-color);
}

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

.strength-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: all 0.3s ease;
}

.strength-item:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.strength-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.strength-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.strength-item h4 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 10px;
}

.strength-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 发展历程样式 */
.company-history {
    padding: 80px 0;
    background-color: #fff;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 50px auto 0;
    padding: 20px 0;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-light), var(--primary-color), var(--primary-dark));
}

.timeline-item {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 40px;
    position: relative;
}

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

.timeline-item .year {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: #fff;
    padding: 10px 25px;
    border-radius: 30px;
    margin: 0 20px;
    font-weight: bold;
    position: relative;
    z-index: 1;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.timeline-item .content {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    width: 300px;
    position: relative;
    z-index: 1;
}

.timeline-item .content h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-item .content p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 企业资质样式 */
.company-certificates {
    padding: 80px 0;
    background: var(--cloud-color);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.certificate-item {
    background: #fff;
    padding: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    text-align: center;
    transition: all 0.3s ease;
}

.certificate-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.certificate-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 15px;
}

.certificate-item h4 {
    color: var(--primary-color);
    font-size: 18px;
}

/* 联系信息样式 */
.contact-info {
    padding: 80px 0;
    background-color: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.contact-item {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    text-align: center;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.contact-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.contact-item h4 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 10px;
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .timeline:before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 40px;
    }

    .timeline-item .year {
        margin-bottom: 10px;
    }

    .timeline-item .content {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .about-text h3 {
        font-size: 28px;
    }

    .value-item,
    .strength-item,
    .certificate-item,
    .contact-item {
        padding: 30px 20px;
    }

    .value-icon,
    .strength-icon,
    .contact-icon {
        width: 50px;
        height: 50px;
    }

    .value-item h4,
    .strength-item h4,
    .contact-item h4 {
        font-size: 18px;
    }
}

/* 添加云朵背景效果 */
.cloud-bg {
    position: relative;
    overflow: hidden;
}

.cloud-bg:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/cloud-bg.png');
    background-size: cover;
    opacity: 0.1;
    z-index: -1;
}

/* 添加波浪分隔线 */
.wave-divider {
    height: 60px;
    background: url('../images/wave-divider.png');
    background-size: cover;
    background-position: center;
    margin: 0;
    padding: 0;
}

/* 添加动画效果 */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.float-animation {
    animation: float 4s ease-in-out infinite;
}

/* 添加云朵装饰 */
.cloud-decoration {
    position: absolute;
    z-index: -1;
    opacity: 0.7;
}

.cloud-1 {
    top: 10%;
    left: 5%;
    width: 150px;
    animation: float 6s ease-in-out infinite;
}

.cloud-2 {
    top: 20%;
    right: 10%;
    width: 100px;
    animation: float 8s ease-in-out infinite;
}

.cloud-3 {
    bottom: 15%;
    left: 15%;
    width: 120px;
    animation: float 7s ease-in-out infinite;
}

/* 添加页面过渡效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 修改滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--cloud-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* 公司简介模块样式 */
.company-intro {
    padding: 80px 0;
    background-color: #fff;
    position: relative;
    overflow: hidden;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 30px;
}

.intro-text {
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeInRight 1s ease forwards;
}

.intro-text h3 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.intro-text h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    border-radius: 3px;
}

.intro-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 16px;
}

.intro-stats {
    display: flex;
    justify-content: space-between;
    margin: 30px 0;
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--cloud-color);
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-text {
    color: var(--text-light);
    font-size: 14px;
}

.intro-image-container {
    position: relative;
    height: 450px;
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInLeft 1s ease forwards;
    animation-delay: 0.3s;
}

.intro-image {
    position: absolute;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.5s ease;
}

.intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.main-image {
    width: 70%;
    height: 300px;
    top: 0;
    right: 0;
    z-index: 3;
}

.sub-image-1 {
    width: 50%;
    height: 200px;
    bottom: 0;
    right: 30%;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.sub-image-2 {
    width: 45%;
    height: 180px;
    bottom: 50px;
    left: 0;
    z-index: 1;
    animation: float 7s ease-in-out infinite;
}

.floating-badge {
    position: absolute;
    top: 20px;
    left: 0;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 5px 15px var(--shadow-color);
    z-index: 4;
    animation: float 5s ease-in-out infinite;
}

/* 添加淡入动画 */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 产品分类标签样式 */
.product-categories {
    padding: 30px 0;
    background-color: #fff;
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.category-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.category-tab {
    padding: 12px 25px;
    background: var(--cloud-color);
    border: none;
    border-radius: 30px;
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.category-tab:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transition: all 0.6s ease;
}

.category-tab:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    color: var(--primary-color);
}

.category-tab.active {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: #fff;
    box-shadow: 0 5px 15px var(--shadow-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-categories {
        padding: 20px 0;
        top: 70px;
    }
    
    .category-tabs {
        gap: 10px;
    }
    
    .category-tab {
        padding: 10px 20px;
        font-size: 14px;
    }
}

/* 联系我们模块优化样式 */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.contact-item {
    display: flex;
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(74, 154, 212, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(74, 154, 212, 0.2);
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, #c6e3f7, #4a9ad4, #3a7db0);
}

.contact-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: rgba(74, 154, 212, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.contact-icon img {
    width: 25px;
    height: 25px;
}

.contact-text {
    flex: 1;
}

.contact-text h4 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 18px;
}

.contact-text p {
    margin: 0 0 5px 0;
    color: var(--text-dark);
    font-size: 15px;
}

.contact-form-wrapper {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(74, 154, 212, 0.1);
}

.contact-form-wrapper h4 {
    color: var(--primary-color);
    margin: 0 0 20px 0;
    font-size: 20px;
    text-align: center;
}

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

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 154, 212, 0.2);
    outline: none;
}

.contact-form button {
    margin-top: 10px;
    align-self: center;
}

.contact-map {
    position: relative;
    height: 100%;
    min-height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(74, 154, 212, 0.1);
}

.map-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    pointer-events: none;
}

.map-marker {
    position: relative;
    width: 40px;
    height: 40px;
    margin-bottom: 15px;
}

.marker-pin {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.marker-pulse {
    width: 40px;
    height: 40px;
    background: rgba(74, 154, 212, 0.3);
    border-radius: 50%;
    position: absolute;
    top: -10px;
    left: 0;
    z-index: 1;
    animation: pulse 2s infinite;
}

.map-info {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 250px;
    pointer-events: auto;
}

.map-info h4 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 16px;
}

.map-info p {
    margin: 0 0 15px 0;
    font-size: 14px;
    color: var(--text-dark);
}

.map-info .btn-secondary {
    padding: 8px 15px;
    font-size: 14px;
}

/* 动画效果 */
.animate-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.animate-item.animated {
    opacity: 1;
    transform: translateY(0);
}

.pulse-animation {
    animation: pulse 2s infinite;
}

.bounce-animation {
    animation: bounce 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(74, 154, 212, 0.4);
    }
    70% {
        transform: scale(1.1);
        box-shadow: 0 0 0 10px rgba(74, 154, 212, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(74, 154, 212, 0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 响应式调整 */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-map {
        min-height: 350px;
    }
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* 设备分类样式优化 */
.equipment-categories {
    padding: 30px 0;
    background-color: #fff;
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.category-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.category-tab {
    padding: 12px 25px;
    background: var(--cloud-color);
    border: none;
    border-radius: 30px;
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-tab i {
    font-size: 18px;
    transition: all 0.3s ease;
}

.category-tab:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transition: all 0.6s ease;
}

.category-tab:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    color: var(--primary-color);
}

.category-tab:hover i {
    transform: scale(1.2);
}

.category-tab.active {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: #fff;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.category-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.category-description p {
    display: none;
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
    padding: 0 20px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.category-description p.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .equipment-categories {
        padding: 20px 0;
        top: 70px;
    }
    
    .category-tabs {
        gap: 10px;
    }
    
    .category-tab {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .category-tab i {
        font-size: 16px;
    }
    
    .category-description p {
        font-size: 14px;
        padding: 0 15px;
    }
}

/* 设备详情弹窗样式 */
.equipment-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1100;
    overflow-y: auto;
}

.modal-content {
    position: relative;
    background-color: #fff;
    margin: 50px auto;
    padding: 30px;
    width: 90%;
    max-width: 1200px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 30px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #333;
    transform: rotate(90deg);
}

.modal-body {
    margin-top: 20px;
}

.equipment-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.equipment-gallery {
    position: sticky;
    top: 20px;
}

.main-image {
    width: 100%;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.thumbnail-list {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.thumbnail {
    width: 100px;
    height: 70px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.7;
    border: 2px solid transparent;
}

.thumbnail:hover {
    opacity: 1;
    transform: translateY(-3px);
}

.thumbnail.active {
    opacity: 1;
    border-color: var(--primary-color);
}

.equipment-info {
    padding: 20px 0;
}

.equipment-info h2 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 15px;
}

.equipment-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.equipment-status {
    color: #28a745;
    font-weight: 500;
    padding: 5px 15px;
    background: rgba(40, 167, 69, 0.1);
    border-radius: 20px;
}

.equipment-date {
    color: #666;
    font-size: 14px;
}

.equipment-description {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.equipment-specs {
    margin-bottom: 30px;
}

.equipment-specs h3,
.equipment-features h3,
.equipment-applications h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.equipment-specs table {
    width: 100%;
    border-collapse: collapse;
}

.equipment-specs td {
    padding: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.equipment-specs td:first-child {
    width: 40%;
    color: #666;
    font-weight: 500;
}

.equipment-features ul,
.equipment-applications ul {
    list-style: none;
    padding: 0;
}

.equipment-features li,
.equipment-applications li {
    color: #666;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.equipment-features li:before,
.equipment-applications li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.equipment-contact {
    margin-top: 40px;
    text-align: center;
}

.contact-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .equipment-detail {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .equipment-gallery {
        position: relative;
        top: 0;
    }

    .main-image {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .modal-content {
        margin: 20px auto;
        padding: 20px;
        width: 95%;
    }

    .main-image {
        height: 300px;
    }

    .thumbnail {
        width: 80px;
        height: 60px;
    }

    .equipment-info h2 {
        font-size: 24px;
    }

    .contact-buttons {
        flex-direction: column;
    }
}

/* 新闻分类标签样式 */
.category-tab {
    position: relative;
    padding: 0.8rem 1.5rem;
    color: #333;
    text-decoration: none;
    font-weight: 600;  /* 加粗字体 */
    font-size: 1.1rem; /* 增大字体 */
    border-radius: 25px;
    transition: all 0.3s ease;
    background: #fff;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    overflow: hidden;
    text-shadow: 0 1px 1px rgba(0,0,0,0.1); /* 添加文字阴影增加可读性 */
}

.category-tab:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    color: #1890ff; /* 悬停时改变文字颜色 */
}

.category-tab.active {
    background: #1890ff;
    color: #fff;
    border-color: #1890ff;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0,0,0,0.2); /* 激活状态下的文字阴影 */
}

/* 确保标签文字在深色背景下清晰可见 */
.category-tab.active .tab-text {
    color: #fff;
    font-weight: 700; /* 激活状态下加粗 */
}

/* 增加标签间距，提高可读性 */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 1.5rem; /* 增加间距 */
    flex-wrap: wrap;
    padding: 1rem;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .category-tab {
        font-size: 1rem;
        padding: 0.7rem 1.2rem;
    }
    
    .category-tabs {
        gap: 1rem;
    }
}

/* 新闻分类标签样式 */
.news-categories {
    margin-bottom: 1.5rem;
}

.category-tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid #eaeaea;
    padding-bottom: 0.5rem;
}

.category-tab {
    position: relative;
    padding: 0.5rem 1rem;
    color: #555;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.category-tab:hover {
    color: #1890ff;
    background-color: rgba(24, 144, 255, 0.05);
}

.category-tab.active {
    color: #1890ff;
    background-color: rgba(24, 144, 255, 0.1);
}

/* 新闻列表样式 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    background: #fff;
    border-radius: 6px;
    border: 1px solid #eaeaea;
    overflow: hidden;
    transition: all 0.2s ease;
}

.news-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-color: #d9d9d9;
    transform: translateY(-2px);
}

.news-content {
    padding: 1rem 1.2rem;
}

.news-content h3 {
    margin: 0 0 0.6rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    line-height: 1.3;
}

.news-content p {
    margin: 0 0 0.8rem;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px dashed #eaeaea;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.news-category {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background-color: rgba(24, 144, 255, 0.1);
    color: #1890ff;
    border-radius: 3px;
    font-size: 0.75rem;
}

.news-date {
    color: #999;
    font-size: 0.8rem;
}

.read-more {
    display: inline-block;
    padding: 0.25rem 0.8rem;
    background-color: #f5f5f5;
    color: #555;
    border-radius: 3px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.read-more:hover {
    background-color: #1890ff;
    color: #fff;
}

/* 响应式调整 */
@media (min-width: 768px) {
    .news-list {
        max-width: 800px;
        margin: 0 auto;
    }
}

/* 新闻详情模态框样式 - 优化版 */
.news-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    height: 85vh;
    margin: 7.5vh auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: modalFadeIn 0.4s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.close-modal:hover {
    background: #fff;
    transform: rotate(90deg);
}

/* 新闻详情头部样式 */
.news-detail-header {
    padding: 22px 30px;
    background: linear-gradient(135deg, #f8f8f8 0%, #f2f6fc 100%);
    border-bottom: 1px solid rgba(24, 144, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 5;
    backdrop-filter: blur(5px);
}

.news-detail-category {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(24, 144, 255, 0.1);
    color: #1890ff;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 10px;
    font-weight: 500;
}

.news-detail-title {
    font-size: 24px;
    font-weight: 600;
    color: #222;
    margin: 0 0 12px;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    align-items: center;
    color: #666;
    font-size: 14px;
}

.news-detail-date, 
.news-detail-author {
    display: flex;
    align-items: center;
    margin-right: 25px;
}

.news-detail-date svg, 
.news-detail-author svg {
    margin-right: 6px;
    fill: #1890ff;
    opacity: 0.7;
}

/* 横幅样式优化 */
.news-detail-banner {
    width: 100%;
    height: 200px; /* 减小高度 */
    overflow: hidden;
    position: relative;
}

.news-detail-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 60%, rgba(0,0,0,0.15) 100%);
    pointer-events: none;
}

.news-detail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 6s ease;
}

.modal-content:hover .news-detail-image {
    transform: scale(1.03);
}

/* 新闻详情内容 */
.news-detail-content {
    padding: 25px 30px;
    font-size: 16px;
    line-height: 1.8;
    color: #444;
}

.news-detail-content p {
    margin-bottom: 18px;
}

.news-detail-content p:last-child {
    margin-bottom: 0;
}

/* 图片画廊 */
.news-detail-gallery {
    padding: 0 30px 25px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    height: 140px;
    cursor: pointer;
    position: relative;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    border: 1px solid rgba(24, 144, 255, 0.08);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
    border-color: rgba(24, 144, 255, 0.2);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* 导航区域 */
.news-navigation {
    padding: 18px 30px;
    border-top: 1px solid rgba(24, 144, 255, 0.1);
    background: linear-gradient(135deg, #f8f8f8 0%, #f2f6fc 100%);
    position: sticky;
    bottom: 0;
    z-index: 5;
    display: flex;
    justify-content: space-between;
}

.prev-news,
.next-news {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #555;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    background: #fff;
    box-shadow: 0 2px 6px rgba(24, 144, 255, 0.08);
    border: 1px solid rgba(24, 144, 255, 0.1);
}

.prev-news svg,
.next-news svg {
    fill: #1890ff;
    opacity: 0.8;
}

.prev-news svg {
    margin-right: 10px;
}

.next-news svg {
    margin-left: 10px;
}

.prev-news:hover,
.next-news:hover {
    background-color: #1890ff;
    color: #fff;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.2);
}

.prev-news:hover svg,
.next-news:hover svg {
    fill: #fff;
    opacity: 1;
}

.prev-news.disabled,
.next-news.disabled {
    opacity: 0.5;
    pointer-events: none;
    box-shadow: none;
}

/* 自定义滚动条 */
.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f5f5f5;
}

.modal-body::-webkit-scrollbar-thumb {
    background: rgba(24, 144, 255, 0.2);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(24, 144, 255, 0.4);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        height: 90vh;
        margin: 5vh auto;
    }
    
    .news-detail-banner {
        height: 160px;
    }
    
    .news-detail-header,
    .news-detail-content,
    .news-navigation {
        padding: 18px;
    }
    
    .news-detail-gallery {
        padding: 0 18px 18px;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item {
        height: 120px;
    }
}

@media (max-width: 768px) {
    .intro-content {
        display: flex;
        flex-direction: column;
        gap: 24px;
        align-items: center;
        margin-top: 16px;
    }
    .intro-image-container {
        order: 0;
        width: 100%;
        max-width: 320px;
        margin: 0 auto 12px auto;
        padding: 0;
        height: auto;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .intro-image {
        position: relative;
        width: 100%;
        max-width: 320px;
        height: auto;
        min-height: unset;
        margin: 0 auto;
        box-shadow: 0 4px 16px var(--shadow-color);
        border-radius: 12px;
        animation: none;
        opacity: 1;
        transform: none;
    }
    .main-image {
        width: 100%;
        max-width: 320px;
        height: auto;
        max-height: 180px;
        margin: 0 auto;
        display: block;
        object-fit: cover;
        border-radius: 12px;
    }
    .intro-text {
        order: 1;
        width: 100%;
        padding: 0 16px;
        text-align: left;
        margin-top: 0;
        animation: none;
        opacity: 1;
        transform: none;
        font-size: 16px;
        line-height: 1.8;
    }
}

@media (max-width: 576px) {
    .intro-content {
        gap: 18px;
    }
    .intro-image-container {
        max-width: 95vw;
        margin-bottom: 8px;
    }
    .intro-image {
        max-width: 95vw;
        border-radius: 10px;
    }
    .main-image {
        max-width: 95vw;
        max-height: 120px;
        border-radius: 10px;
    }
    .intro-text {
        padding: 0 4vw;
        font-size: 15px;
        line-height: 1.7;
    }
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    nav ul li a {
        font-size: 20px;
        padding: 18px 40px;
        margin-bottom: 8px;
    }
}