/* 产品卡片容器样式 */
.products-cards-wrapper {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 20px;
    padding: 20px 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}

.products-cards-wrapper::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* 产品卡片样式 */
.product-card {
    flex: 0 0 auto;
    width: 300px;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.product-media img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-content {
    padding: 20px;
}

.product-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #333;
}

.product-content .sub {
    color: #666;
    font-size: 14px;
    margin-bottom: 12px;
}

.product-content .desc {
    color: #777;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffcc00, #ff9900);
    color: #333;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    padding: 10px 20px;
    border-radius: 30px;
    border: 2px solid #ffcc00;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 204, 0, 0.3);
    position: relative;
    overflow: hidden;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.5);
}

.more:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.more:hover {
    background: linear-gradient(135deg, #ffaa00, #ff8800);
    color: #222;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 153, 0, 0.4);
    border-color: #ff9900;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.7);
}

.more:hover:before {
    left: 100%;
}

.more:after {
    content: '→';
    margin-left: 5px;
    transition: transform 0.3s ease;
    color: #333;
}

.more:hover:after {
    transform: translateX(3px);
    color: #222;
}

/* 响应式设计 - 移动端适配 */

/* 全局响应式基础设置 */
@media (max-width: 1200px) {
    .container {
        padding: 0 15px;
    }
}

/* 平板设备 */
@media (max-width: 992px) {
    .nav-menu {
        gap: 20px;
    }
    
    .phone-btn {
        padding: 8px 20px;
        font-size: 14px;
    }
    
    .title-main {
        font-size: 48px;
    }
    
    .hero-description {
        font-size: 16px;
    }
}

/* 小平板/大屏手机 */
@media (max-width: 768px) {
    /* 导航栏适配 */
    .navbar {
        padding: 10px 0;
    }
    
    .logo img {
        height: 35px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 15px 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li a {
        display: block;
        padding: 12px 20px;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu li:last-child a {
        border-bottom: none;
    }
    
    .nav-contact {
        display: none;
    }
    
    /* 添加汉堡菜单按钮 */
    .menu-toggle {
        display: block;
        width: 40px;
        height: 40px;
        position: relative;
        cursor: pointer;
    }
    
    .menu-toggle span {
        display: block;
        position: absolute;
        height: 3px;
        width: 100%;
        background: var(--text-dark);
        border-radius: 3px;
        opacity: 1;
        left: 0;
        transition: .5s ease-in-out;
    }
    
    .menu-toggle span:nth-child(1) {
        top: 8px;
    }
    
    .menu-toggle span:nth-child(2) {
        top: 18px;
    }
    
    .menu-toggle span:nth-child(3) {
        top: 28px;
    }
    
    /* 产品卡片适配 */
    .product-card {
        width: 280px;
    }
    
    /* 小平板/大屏手机下改为垂直堆叠 */
    @media (max-width: 640px) {
        .products-cards-wrapper {
            flex-wrap: wrap;
            justify-content: center;
            overflow-x: visible;
        }
        
        .product-card {
            width: calc(100% - 30px);
            max-width: 320px;
            flex: 0 0 auto;
        }
    }
    
    /* 轮播区域适配 */
    .hero-section {
        margin-top: 60px;
        min-height: 80vh;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .title-main {
        font-size: 36px;
        letter-spacing: 1px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    /* 轮播控制器调整 */
    .hero-controls {
        right: 20px;
        gap: 20px;
    }
    
    .slide-counter {
        font-size: 24px;
    }
    
    .slide-arrow {
        width: 40px;
        height: 40px;
    }
    
    .slide-arrow svg {
        width: 16px;
        height: 16px;
    }
}

/* 手机设备 */
@media (max-width: 576px) {
    /* 全局调整 */
    .container {
        padding: 0 12px;
    }
    
    /* 英雄区域优化 */
    .hero-section {
        padding: 60px 0;
        min-height: auto;
        height: auto;
    }
    
    .title-main {
        font-size: 28px;
        line-height: 1.4;
    }
    
    .hero-description {
        font-size: 14px;
        line-height: 1.6;
    }
    
    /* 轮播控制器隐藏，改用底部指示器 */
    .hero-controls {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        flex-direction: row;
        justify-content: center;
        margin-top: 30px;
    }
    
    .slide-counter {
        display: none;
    }
    
    .slide-arrows {
        flex-direction: row;
    }
    
    /* 滚动提示调整 */
    .scroll-indicator {
        bottom: 20px;
        gap: 10px;
    }
    
    .scroll-text {
        font-size: 10px;
        letter-spacing: 2px;
    }
    
    /* 卡片容器适配 */
    .products-cards-wrapper {
        gap: 15px;
        padding: 15px 0;
        flex-wrap: wrap;
        justify-content: center;
        overflow-x: visible;
    }
    
    .product-card {
        width: calc(100% - 24px);
        max-width: 300px;
        flex: 0 0 auto;
    }
    
    .product-media img {
        height: 180px;
    }
    
    .product-content {
        padding: 15px;
    }
    
    .product-content h3 {
        font-size: 16px;
    }
    
    /* 服务卡片和其他内容适配 */
    .service-card, .tech-card, .news-card {
        padding: 20px;
    }
    
    .service-card h3, .tech-card h3, .news-card h3 {
        font-size: 18px;
    }
    
    /* 联系表单适配 */
    .contact-form input, .contact-form textarea {
        padding: 12px;
        font-size: 14px;
    }
    
    .contact-form button {
        padding: 12px 30px;
        font-size: 14px;
    }
    
    /* 页脚适配 */
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-col {
        width: 100%;
    }
}

/* 小屏手机优化 */
@media (max-width: 480px) {
    .title-main {
        font-size: 24px;
    }
    
    .hero-description {
        font-size: 13px;
    }
    
    .product-card {
        width: calc(100% - 24px);
        max-width: 280px;
    }
    
    .slide-arrow {
        width: 35px;
        height: 35px;
    }
}

/* 汉堡菜单显示 */
.menu-toggle {
    display: none;
}

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e5fa8;
    --secondary-color: #2d7dd2;
    --accent-blue: #4a9eff;
    --accent-green: #00c896;
    --accent-cyan: #00bcd4;
    --accent-purple: #7c4dff;
    --dark-bg: #0a1929;
    --light-bg: #f5f8fa;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --white: #ffffff;
    --gradient-blue: linear-gradient(135deg, #1e5fa8 0%, #2d7dd2 100%);
    --gradient-tech: linear-gradient(135deg, #0a1929 0%, #1e3a5f 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 侧边栏咨询按钮 */
.sidebar-support {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(30%);
    z-index: 999;
    transition: transform 0.3s ease;
    opacity: 1;
}

.sidebar-support:hover {
    transform: translateY(30%) scale(1.05);
}

.sidebar-image {
    width: 150px;
    height: auto;
}

/* 滑动时隐藏 */
.sidebar-support.hidden {
    transform: translate(-100%, 30%);
    opacity: 0;
}

/* 移动端隐藏 */
@media (max-width: 767px) {
    .sidebar-support {
        display: none;
    }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    width: auto;
}

.company-name {
    font-size: 18px;
    font-weight: 600;
    color: #1a56db;
    white-space: nowrap;
    text-decoration: none;
    display: inline-block;
}

.company-name:hover {
    color: #0f3aa0;
    text-decoration: none;
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .company-name {
        font-size: 16px;
    }
    
    .logo img {
        height: 32px;
    }
    
    .logo {
        gap: 8px;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.phone-btn {
    background: var(--gradient-blue);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.phone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 95, 168, 0.3);
}

/* 头部横幅 */
.hero-section {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-top: 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(74, 158, 255, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 30%, rgba(0, 188, 212, 0.1) 0%, transparent 50%);
}

/* 轮播背景图片容器 */
.hero-bg-images {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

/* 轮播背景图片 */
.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease;
    z-index: -1;
}

/* 活动的背景图片 */
.hero-bg-image.active {
    opacity: 1;
}

/* 背景图片叠加渐变 */
.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.dna-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(255, 255, 255, 0.25), transparent),
        radial-gradient(2px 2px at 90% 60%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 33% 80%, rgba(255, 255, 255, 0.2), transparent);
    background-size: 200% 200%;
    background-position: 0% 0%;
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% {
        background-position: 0% 0%;
        opacity: 0.6;
    }
    50% {
        background-position: 100% 100%;
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    margin-bottom: 30px;
}

.title-main {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 2px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    white-space: pre-line;
}

.hero-description {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.8;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* 轮播控制器 */
.hero-controls {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    z-index: 2;
}

.slide-counter {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 32px;
    font-weight: 700;
}

.current-slide {
    color: var(--white);
}

.slide-divider {
    color: rgba(255, 255, 255, 0.5);
    font-size: 20px;
}

.total-slides {
    color: rgba(255, 255, 255, 0.5);
    font-size: 16px;
}

.slide-arrows {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.slide-arrow {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--white);
}

.slide-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.slide-arrow svg {
    width: 20px;
    height: 20px;
}

/* 滚动提示 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    z-index: 2;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

.scroll-text {
    font-size: 12px;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.7), transparent);
    position: relative;
}

.scroll-line::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
    0% {
        bottom: 100%;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        bottom: 0;
        opacity: 0;
    }
}

/* 区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 20px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-header.light .section-title {
    color: var(--white);
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-light);
}

.section-header.light .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* 技术服务 */
.advantages-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #f5f8fa 0%, #e8f1f8 100%);
    position: relative;
    overflow: hidden;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><circle cx="100" cy="50" r="3" fill="%234a9eff" opacity="0.3"/><circle cx="150" cy="100" r="4" fill="%2300bcd4" opacity="0.3"/><circle cx="120" cy="150" r="3" fill="%234a9eff" opacity="0.2"/><line x1="100" y1="50" x2="150" y2="100" stroke="%234a9eff" stroke-width="1" opacity="0.2"/><line x1="150" y1="100" x2="120" y2="150" stroke="%2300bcd4" stroke-width="1" opacity="0.2"/></svg>') no-repeat;
    background-size: contain;
    opacity: 0.4;
    pointer-events: none;
}

.section-header-left {
    max-width: 960px;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-header-left .section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    text-align: left;
}

.section-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

/* 服务卡片容器 */
.service-cards-wrapper {
    display: flex;
    gap: 0;
    position: relative;
    height: 400px;
    border-radius: 16px;
    overflow: visible;
}

.service-card {
    position: absolute;
    height: 100%;
    min-width: 200px;
    border-radius: 16px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* 卡片初始叠放位置 */
.service-card[data-index="1"] {
    left: 0;
    width: 200px;
    z-index: 1;
}

.service-card[data-index="2"] {
    left: 180px;
    width: 200px;
    z-index: 2;
}

.service-card[data-index="3"] {
    left: 360px;
    width: 200px;
    z-index: 3;
}

.service-card[data-index="4"] {
    left: 540px;
    width: 200px;
    z-index: 4;
}

.service-card[data-index="5"] {
    left: 720px;
    width: calc(100% - 720px);
    min-width: 300px;
    z-index: 5;
}

/* 悬停展开效果 */
.service-card:hover {
    width: 400px !important;
    z-index: 10 !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.service-card:hover ~ .service-card {
    transform: translateX(220px);
}

/* 卡片颜色 */
.service-card.card-blue {
    background: linear-gradient(135deg, #1e5fa8 0%, #2d7dd2 100%);
}

.service-card.card-green {
    background: linear-gradient(135deg, #00a879 0%, #00c896 100%);
}

.service-card.card-cyan {
    background: linear-gradient(135deg, #0097a7 0%, #00bcd4 100%);
}

.service-card.card-purple {
    background: linear-gradient(135deg, #6a3de8 0%, #7c4dff 100%);
}

.service-card.card-info {
    background: linear-gradient(135deg, #4a9eff 0%, #00bcd4 100%);
}

/* 卡片内容 */
.card-content {
    padding: 40px 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
    color: var(--white);
    position: relative;
}

.card-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.card-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.card-subtitle {
    font-size: 13px;
    opacity: 0.8;
    margin-bottom: 20px;
    font-weight: 400;
}

.card-description {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    margin-top: auto;
}

.service-card:hover .card-description {
    opacity: 1;
    max-height: 200px;
}

/* 最右边卡片默认展示描述 */
.service-card[data-index="5"] .card-description {
    opacity: 1;
    max-height: 200px;
}

.card-description p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
    opacity: 0.95;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.3s ease;
}

.card-link:hover {
    gap: 12px;
}

.card-link svg {
    width: 16px;
    height: 16px;
}

/* 产品系列 */
.products-section {
    padding: 20px 0;
    padding-bottom: 160px;
}

/* 新的横向产品卡片列表 */
.products-cards-wrapper {
    position: relative;
    height: 320px;
    overflow: visible;
}

.product-card {
    position: absolute;
    top: 0;
    height: 400px;
    width: 220px; /* 折叠宽度 */
    background: #fff;
    border: 1px solid #eaeef2;
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(10,25,41,0.06);
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.product-card[data-index="1"] { left: 0;     z-index: 1; }
.product-card[data-index="2"] { left: -20px; z-index: 2; }
.product-card[data-index="3"] { left: -40px; z-index: 3; }
.product-card[data-index="4"] { left: -60px; z-index: 4; }
.product-card[data-index="5"] { left: -80px; z-index: 5; width: calc(100% - 720px); }

/* 悬停展开 */
.product-card:hover {
    width: 560px; /* 展开宽度 */
    z-index: 10;
    box-shadow: 0 16px 40px rgba(10,25,41,0.16);
}

/* 悬停时右侧卡片整体右移，露出当前内容 */
.product-card:hover ~ .product-card {
    transform: translateX(260px);
}

/* 左侧图片条 - 折叠状态可见 */
.product-card .product-media {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 220px; /* 左侧露出条 */
    background: #f7f9fb;
}

.product-card .product-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 内容区域 */
.product-card .product-content {
    position: absolute;
    left: 220px; /* 留出图片条 */
    right: 16px;
    top: 18px;
    bottom: 18px;
    display: flex;
    flex-direction: column;
}

.product-card h3 { font-size: 18px; color: var(--text-dark); margin-bottom: 6px; }
.product-card .sub { font-size: 13px; color: var(--text-light); }
.product-card .desc { 
    margin-top: 12px; 
    font-size: 14px; 
    line-height: 1.7; 
    color: var(--text-light);
    opacity: 0; max-height: 0; overflow: hidden; transition: all .3s ease;
}
.product-card .more { 
    margin-top: auto; align-self: flex-start; 
    color: #000000; font-weight: 600; text-decoration: none; position: relative; padding-right: 18px;
    opacity: 0; transform: translateY(6px); transition: all .3s ease;
}

/* 展开后显示描述与按钮 */
.product-card:hover .desc { opacity: 1; max-height: 120px; }
.product-card:hover .more { opacity: 1; transform: translateY(0); }
.product-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.product-card-horizontal {
    background: var(--white);
    border: 1px solid #eaeef2;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(10, 25, 41, 0.06);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.product-card-horizontal:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(10, 25, 41, 0.12);
}

.product-card-horizontal .product-media {
    width: 100%;
    background: #f7f9fb;
}

.product-card-horizontal .product-media img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}

.product-card-horizontal .product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-top: 1px solid #eef2f6;
}

.product-card-horizontal h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.product-card-horizontal .sub {
    font-size: 13px;
    color: var(--text-light);
}

.product-card-horizontal .more {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    position: relative;
    padding-right: 18px;
}

.product-card-horizontal .more::after {
    content: '›';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
}

.product-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(30, 95, 168, 0.15);
    transform: translateY(-5px);
}

.product-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-green);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.product-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.product-icon svg {
    width: 100%;
    height: 100%;
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

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

.product-features {
    list-style: none;
}

.product-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    font-size: 14px;
    color: var(--text-light);
}

.product-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 20px;
    line-height: 1;
}

/* 核心技术 */
.technology-section {
    padding: 100px 0;
    background: var(--gradient-tech);
    position: relative;
    overflow: hidden;
}

.tech-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><line x1="0" y1="100" x2="1200" y2="100" stroke="rgba(255,255,255,0.05)" stroke-width="1"/><line x1="0" y1="200" x2="1200" y2="200" stroke="rgba(255,255,255,0.05)" stroke-width="1"/><line x1="0" y1="300" x2="1200" y2="300" stroke="rgba(255,255,255,0.05)" stroke-width="1"/><line x1="0" y1="400" x2="1200" y2="400" stroke="rgba(255,255,255,0.05)" stroke-width="1"/><line x1="0" y1="500" x2="1200" y2="500" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
    opacity: 0.3;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.tech-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    padding: 35px 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    color: var(--white);
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.tech-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
    color: var(--accent-cyan);
}

.tech-icon svg {
    width: 100%;
    height: 100%;
}

.tech-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 600;
}

.tech-card p {
    font-size: 14px;
    opacity: 0.85;
    line-height: 1.6;
}

/* 市场动态 */
.news-section {
    padding: 100px 0;
    background: var(--light-bg);
}

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

.news-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.news-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: #e0e0e0;
}

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

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

.news-content {
    padding: 25px;
}

.news-date {
    display: inline-block;
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-dark);
    line-height: 1.4;
}

.news-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 成功案例 */
.cases-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%);
    position: relative;
    overflow: hidden;
}

.cases-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 10px;
    background: linear-gradient(90deg, #1e5fa8, #4a9eff);
}

.cases-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(30, 95, 168, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(74, 158, 255, 0.15);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1e5fa8, #4a9eff);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(30, 95, 168, 0.15);
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: #1e5fa8;
    margin: 15px 0 5px;
    line-height: 1.2;
    position: relative;
    display: inline-block;
}

.stat-number::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #1e5fa8, #4a9eff);
    border-radius: 3px;
}

.stat-number span {
    font-size: 36px;
    color: #4a9eff;
    margin-left: 2px;
}

.stat-label {
    font-size: 16px;
    color: #555;
    margin-top: 25px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .cases-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .cases-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        max-width: 320px;
        margin: 0 auto;
    }
}

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

.stat-card .stat-label {
    font-size: 16px;
    color: var(--text-light);
}

.stat-card:hover .stat-label {
    color: rgba(255, 255, 255, 0.9);
}

/* 合作客户 */
.partners-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
}

.partner-logo {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    min-height: 100px;
}

.partner-logo:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

.partner-logo img {
    max-width: 100%;
    height: auto;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.partner-logo:hover img {
    opacity: 1;
}

/* 联系我们 */
.contact-section {
    padding: 100px 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 32px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 40px;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

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

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-dark);
}

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

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.qrcode {
    text-align: center;
    padding: 30px;
    background: var(--light-bg);
    border-radius: 12px;
}

.qrcode img {
    margin-bottom: 15px;
    border-radius: 8px;
}

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

.contact-form-wrapper h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.required {
    color: #f44336;
}

.form-group input {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-tip {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

.btn {
    padding: 14px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 95, 168, 0.3);
}

.online-chat {
    margin-top: 20px;
}

.chat-btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent-green);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.chat-btn:hover {
    background: #00a879;
    transform: translateY(-2px);
}

/* 页脚 */
.footer {
    background: var(--dark-bg);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
}

.footer-content {
    margin-bottom: 40px;
}

/* 重新定义页脚信息区域样式 */
.footer-info {
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 30px 0;
    background-color: #0a1929;
    border-radius: 10px;
    padding: 40px;
    gap: 100px;
}

.company-info {
    flex: 1;
    max-width: 530px;
}

.footer-logo {
    margin-bottom: 0;
    border-radius: 5px;
    padding: 10px;
}

/* Logo和公司名称容器样式 */
.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

/* 页脚公司名称样式 - 使用更具体的选择器 */
.company-info .company-name {
    color: white;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
}

/* 导航栏公司名称样式 */
.navbar .company-name {
    color: rgb(0, 0, 0);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    margin-left: 10px;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 15px;
}

/* 产品系列样式 - 确保在右侧显示 */
.product-series {
    flex: 1;
    min-width: 350px;
    color: white;
}

.product-series h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 25px;
    color: white;
    padding-bottom: 12px;
    border-bottom: 2px solid #1a56db;
    position: relative;
}

.product-series h4:after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: #4299e1;
}

.product-series ul {
    list-style: none;
    padding: 0;
    margin: 0;
    columns: 2;
    column-gap: 40px;
}

.product-series li {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
    position: relative;
    padding-left: 20px;
    break-inside: avoid;
    transition: all 0.3s ease;
}

.product-series li:before {
    content: "▶";
    color: #1a56db;
    font-size: 12px;
    position: absolute;
    left: 0;
    top: 2px;
    transition: all 0.3s ease;
}

.product-series li:hover {
    color: white;
    cursor: pointer;
    transform: translateX(5px);
}

/* 产品链接样式 */
.product-series .product-link {
    color: inherit;
    text-decoration: none;
    display: inline-block;
    width: 100%;
    transition: color 0.3s ease;
}

.product-series li:hover .product-link {
    color: white;
}

.product-series li:hover:before {
    color: #4299e1;
    transform: translateX(3px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .footer-info {
        gap: 40px;
        padding: 30px;
    }
    
    .product-series {
        min-width: 300px;
    }
}

@media (max-width: 768px) {
    .footer-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
        padding: 25px;
    }
    
    .product-series {
        width: 100%;
        min-width: auto;
    }
    
    .product-series ul {
        columns: 1;
        column-gap: 20px;
    }
    
    .product-series h4 {
        font-size: 18px;
        margin-bottom: 20px;
    }
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    line-height: 1.8;
    opacity: 0.7;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--white);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .products-cards-wrapper {
        height: auto;
    }
    .product-card {
        position: relative !important;
        left: 0 !important; right: 0;
        width: 100% !important;
        height: 240px;
        transform: none !important;
        margin-bottom: 16px;
    }
    .product-card:hover ~ .product-card { transform: none; }
    .product-card .product-media { width: 36%; }
    .product-card .product-content { left: calc(36% + 16px); }
    .product-card .desc, .product-card .more { opacity: 1; max-height: none; transform: none; }
    .product-list {
        grid-template-columns: 1fr;
    }
    .service-cards-wrapper {
        height: auto;
        flex-direction: column;
        gap: 20px;
    }
    
    .service-card {
        position: relative !important;
        left: 0 !important;
        width: 100% !important;
        height: auto;
        min-height: 250px;
        transform: none !important;
    }
    
    .service-card:hover {
        width: 100% !important;
    }
    
    .service-card:hover ~ .service-card {
        transform: none;
    }
    
    .card-description {
        opacity: 1;
        max-height: none;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-section {
        min-height: 100vh;
    }
    
    .title-main {
        font-size: 36px;
        letter-spacing: 1px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-controls {
        right: 20px;
        gap: 20px;
    }
    
    .slide-counter {
        font-size: 24px;
    }
    
    .slide-arrow {
        width: 40px;
        height: 40px;
    }
    
    .scroll-indicator {
        bottom: 30px;
    }
    
    .advantages-grid,
    .products-grid,
    .tech-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-card.card-info {
        grid-column: span 1;
    }
    
    .cases-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 28px;
    }
    
    .cases-stats {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}