* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Microsoft YaHei', sans-serif;
}

body {
    color: #333;
    background: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 999;
}

.header .container {
    display: flex;
    align-items: center;
    height: 100%;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: #1E40AF;
}

.logo img {
    height: 40px;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav-item {
    position: relative;
    font-size: 16px;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    padding: 10px 0;
}

.nav-item:hover {
    color: #1E40AF;
}

.nav-item.active {
    color: #1E40AF;
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #1E40AF;
    border-radius: 3px;
}

/* 二级菜单 */
.subnav {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 15px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.nav-item:hover .subnav {
    opacity: 1;
    visibility: visible;
}

.subnav-item {
    padding: 8px 20px;
    font-size: 14px;
    color: #666;
    transition: all 0.2s;
}

.subnav-item:hover {
    background: #F3F4F6;
    color: #1E40AF;
}

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

.phone {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 16px;
    color: #333;
}

.wechat {
    position: relative;
    cursor: pointer;
}

.wechat-qrcode {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.wechat:hover .wechat-qrcode {
    opacity: 1;
    visibility: visible;
}

.wechat-qrcode img {
    width: 120px;
    height: 120px;
}

.btn {
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary {
    background: #1E40AF;
    color: #fff;
}

.btn-primary:hover {
    background: #1A365D;
    transform: translateY(-2px);
}

.product-card .btn {
    width: 100%;
    margin-top: 20px;
    padding: 12px 16px;
    font-size: 15px;
    letter-spacing: 0.5px;
}

.product-card:hover .btn {
    background: #3B82F6;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid #1E40AF;
    color: #1E40AF;
}

.btn-outline:hover {
    background: #F3F4F6;
    transform: translateY(-2px);
}

.btn-red {
    background: #DC2626;
    color: #fff;
}

.btn-red:hover {
    background: #B91C1C;
    transform: translateY(-2px);
}

/* 培训服务样式 */
#training {
    margin: 80px 0;
}

.training-section-title {
    font-size: 30px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 30px;
    text-align: center;
}

.training-section-desc {
    text-align: center;
    font-size: 16px;
    color: #64748B;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.training-cards-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.training-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #F1F5F9;
}

.training-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.training-card-img img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
}

.training-card-content {
    padding: 25px;
}

.training-card-title {
    font-size: 20px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 15px;
}

.training-card-desc {
    font-size: 14px;
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 20px;
}

.training-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.training-feature {
    background: #F3F4F6;
    color: #4B5563;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 16px;
    font-weight: 500;
}

.training-card .btn {
    width: 100%;
    margin-top: 10px;
    text-align: center;
    padding: 10px;
    font-size: 15px;
}

.training-info-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.training-info-card {
    background: #F8FAFC;
    border-radius: 12px;
    padding: 30px;
    border: 1px solid #E2E8F0;
}

.training-info-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
}

.training-info-card h3 i {
    color: #8B5CF6;
    margin-right: 10px;
}

.certification-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    padding: 15px;
    background: #fff;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.certification-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.certification-icon {
    width: 40px;
    height: 40px;
    background: #EDE9FE;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.certification-icon i {
    color: #8B5CF6;
    font-size: 16px;
}

.certification-content h4 {
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 5px;
    font-size: 16px;
}

.certification-content p {
    font-size: 14px;
    color: #64748B;
    line-height: 1.5;
}

.training-schedule {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.schedule-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    transition: all 0.2s ease;
    border: 1px solid #F1F5F9;
}

.schedule-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.schedule-date {
    min-width: 100px;
    font-weight: 600;
    color: #8B5CF6;
    background: #F5F3FF;
    padding: 8px 15px;
    border-radius: 6px;
    text-align: center;
    font-size: 14px;
}

.schedule-content h4 {
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 8px;
    font-size: 16px;
}

.schedule-content p {
    font-size: 14px;
    color: #64748B;
    line-height: 1.5;
}

/* 技术支持范围样式 */
.support-section {
    background: #F0FDF4;
    border-radius: 12px;
    padding: 30px;
    border: 1px solid #DCFCE7;
}

.support-title {
    font-size: 20px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
}

.support-title i {
    color: #10B981;
    margin-right: 10px;
}

.support-items-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.support-item {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    color: #374151;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 35px;
}

.support-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border-color: #10B981;
}

.support-item::before {
    content: '✓';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #10B981;
    font-weight: bold;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .training-cards-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .training-info-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .training-card-img img {
        height: 180px;
    }
    
    .training-section-title {
        font-size: 26px;
        margin-bottom: 20px;
    }
    
    .training-section-desc {
        font-size: 15px;
        padding: 0 15px;
    }
    
    .training-card-content {
        padding: 20px;
    }
    
    .training-info-card {
        padding: 25px 20px;
    }
    
    .schedule-item {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .schedule-date {
        min-width: auto;
        text-align: center;
    }
    
    .certification-item {
        padding: 12px;
    }
    
    .training-features {
        gap: 8px;
    }
    
    .training-feature {
        font-size: 12px;
        padding: 5px 10px;
    }
}

@media (max-width: 480px) {
    .training-card-img img {
        height: 160px;
    }
    
    .training-section-title {
        font-size: 24px;
    }
    
    .training-card-title {
        font-size: 18px;
    }
    
    .training-info-card h3 {
        font-size: 18px;
    }
    
    .certification-icon {
        width: 36px;
        height: 36px;
    }
    
    .training-features {
        flex-wrap: wrap;
    }
    
    /* 技术支持范围响应式 */
    .support-section {
        padding: 25px 20px;
    }
    
    .support-items-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .support-title {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .support-item {
        font-size: 14px;
        padding: 12px 15px 12px 30px;
    }
    
    .support-item::before {
        left: 12px;
        font-size: 13px;
    }
}

/* 页脚样式 */
.footer {
    background: #1E293B;
    color: #94A3B8;
    padding: 60px 0 30px;
}

.footer .container {
    display: grid;
    grid-template-columns: 2fr 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 36px;
}

.footer-mission {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.footer-nav-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 15px;
}

.footer-nav-list li {
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-nav-list li a:hover {
    color: #fff;
    text-decoration: underline;
}

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

.footer-contact-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.wechat-qrcode-footer img {
    width: 100px;
    height: 100px;
    margin-top: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
    font-size: 13px;
    color: #94A3B8;
}

.footer-bottom-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 10px;
}

.footer-bottom-links a:hover {
    color: #fff;
}

/* 首页展示区样式 */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero-bg.jpg') center center no-repeat;
    background-size: cover;
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    width: 100%;
    max-width: 800px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}

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

/* 核心产品与服务能力 */
.product-service {
    padding: 100px 0;
    background: #F8FAFC;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    padding: 80px;
}

.section-main-title {
    font-size: 36px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-main-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #1E40AF;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 16px;
    color: #64748B;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.tab {
    padding: 10px 25px;
    font-size: 18px;
    font-weight: 500;
    color: #64748B;
    background: #fff;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.tab.active {
    color: #1E40AF;
    border-color: #1E40AF;
    background: #F0F5FF;
}

.tab:hover {
    color: #1E40AF;
    background: #F0F5FF;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

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


.product-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

/* 让特定的产品卡片独占一行 */
.product-card.full-width {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px;
    max-width: none;
    background-image: url('../images/solution-smart-ops.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    position: relative;
}

/* 背景图片遮罩层，确保文字清晰可读 */
.product-card.full-width::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

/* 确保内容在遮罩层上方 */
.product-card.full-width > * {
    position: relative;
    z-index: 2;
}

/* 优化按钮大小 */
.product-card.full-width .btn-primary {
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    min-width: 180px;
}

/* 确保在响应式设计中也能独占一行 */
@media (max-width: 1200px) {
    .product-card.full-width {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .product-card.full-width {
        grid-column: 1 / -1;
        padding: 30px 20px;
    }
    
    .product-card.full-width .btn-primary {
        padding: 12px 24px;
        font-size: 14px;
        min-width: 160px;
    }
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #1E40AF, #3B82F6);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

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

.product-card-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #F0F5FF;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.product-card:hover .product-card-icon-wrapper {
    background: #1E40AF;
    transform: scale(1.1);
}

.product-card-icon {
    font-size: 40px;
    color: #1E40AF;
    transition: color 0.3s ease;
}

.product-card:hover .product-card-icon {
    color: #fff;
}

.ml-2 {
    margin-left: 8px;
}

.product-card-title {
    font-size: 20px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 15px;
}

.product-card-desc {
    font-size: 14px;
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* 成功案例与客户见证 */
.cases {
    padding: 100px 0;
    background: #fff;
}

.client-logo-wall {
    margin: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    margin-bottom: 60px;
    padding: 20px 0;
    border-top: 1px solid #E2E8F0;
    border-bottom: 1px solid #E2E8F0;
}

.client-logo {
    height: 60px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.client-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

.case-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.case-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.case-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.case-card-content {
    padding: 25px;
}

.case-card-title {
    font-size: 18px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 10px;
}

.case-card-client {
    font-size: 14px;
    color: #64748B;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.case-card-service {
    font-size: 14px;
    color: #1E40AF;
    font-weight: 500;
}

.case-buttons {
    text-align: center;
}

/* 行业资讯与行动召唤 */
.news-cta {
    padding: 100px 0;
    background: #F8FAFC;
}

.news-cta-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.news-section {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.news-title {
    font-size: 24px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.news-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #E2E8F0;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    gap: 15px;
    padding-bottom: 20px;
    border-bottom: 1px solid #F1F5F9;
}

.news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.news-date {
    min-width: 60px;
    font-size: 12px;
    color: #94A3B8;
    background: #F8FAFC;
    border-radius: 4px;
    padding: 5px 10px;
    text-align: center;
}

.news-content {
    flex: 1;
}

.news-content-title {
    font-size: 16px;
    font-weight: 500;
    color: #1E293B;
    margin-bottom: 5px;
    transition: all 0.2s ease;
}

.news-content-title:hover {
    color: #1E40AF;
}

.news-content-desc {
    font-size: 14px;
    color: #64748B;
    line-height: 1.5;
    margin-bottom: 10px;
}

.news-more {
    font-size: 14px;
    color: #1E40AF;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.cta-section {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    border-radius: 12px;
    padding: 40px;
    color: #fff;
    text-align: center;
    box-shadow: 0 5px 15px rgba(30, 64, 175, 0.2);
}

.cta-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 分页通用样式 */
.page-content {
    padding: 120px 0 80px;
}

.page-header {
    text-align: center;
    margin-bottom: 60px;
    /*margin-bottom: 30px;*/
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 16px;
    color: #64748B;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 产品中心样式 */
.product-filter {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-label {
    font-size: 16px;
    color: #1E293B;
    font-weight: 500;
}

.filter-select {
    padding: 8px 15px;
    border-radius: 4px;
    border: 1px solid #E2E8F0;
    font-size: 14px;
    color: #64748B;
    background: #fff;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: #1E40AF;
}

/* 产品详情页样式 */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.product-detail-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

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

.product-detail-title {
    font-size: 28px;
    font-weight: 700;
    color: #1E293B;
}

.product-detail-desc {
    font-size: 16px;
    color: #64748B;
    line-height: 1.8;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #334155;
}

.feature-item::before {
    content: '✓';
    color: #10B981;
    font-weight: 700;
    margin-top: 2px;
}

.product-versions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.version-item {
    padding: 8px 15px;
    background: #F8FAFC;
    border-radius: 20px;
    font-size: 14px;
    color: #1E293B;
    font-weight: 500;
    border: 1px solid #E2E8F0;
}

.version-item.active {
    background: #1E40AF;
    color: #fff;
    border-color: #1E40AF;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.product-related {
    margin-top: 80px;
}

.related-title {
    font-size: 24px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid #E2E8F0;
}

/* 解决方案样式 */
.solution-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
    border-bottom: 1px solid #E2E8F0;
    padding-bottom: 10px;
}

.solution-tab {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    color: #64748B;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.solution-tab.active {
    color: #1E40AF;
    border-bottom-color: #1E40AF;
}

.solution-content {
    display: none;
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.solution-content.active {
    display: block;
}

.solution-header {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    align-items: center;
}

.solution-img {
    width: 300px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.solution-header-info {
    flex: 1;
}

.solution-title {
    font-size: 24px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 15px;
}

.solution-desc {
    font-size: 16px;
    color: #64748B;
    line-height: 1.8;
}

.solution-sections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.solution-section {
    background: #F8FAFC;
    border-radius: 8px;
    padding: 25px;
}

.solution-section-title {
    font-size: 18px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.solution-section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: #1E40AF;
    border-radius: 2px;
}

.solution-section-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.solution-section-list li {
    font-size: 14px;
    color: #64748B;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.solution-section-list li::before {
    content: '•';
    color: #1E40AF;
    font-weight: 700;
    margin-top: 4px;
}

.solution-case {
    background: #F0F5FF;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
}

.solution-cta {
    text-align: center;
}

/* 服务支持样式 */
.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
}

.service-card-icon {
    font-size: 48px;
    color: #1E40AF;
    margin-bottom: 20px;
}

.service-card-title {
    font-size: 20px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 15px;
}

.service-card-content {
    font-size: 14px;
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: left;
}

.service-list {
    text-align: left;
    margin-bottom: 20px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #64748B;
    margin-bottom: 10px;
}

.service-list li::before {
    content: '✓';
    color: #10B981;
    font-weight: 700;
}

/* 关于讯发样式 */
.about-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    border-bottom: 1px solid #E2E8F0;
    padding-bottom: 10px;
}

.about-tab {
    padding: 10px 25px;
    font-size: 18px;
    font-weight: 500;
    color: #64748B;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.about-tab.active {
    color: #1E40AF;
    border-bottom-color: #1E40AF;
}

.about-content {
    display: none;
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.about-content.active {
    display: block;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-intro-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
}

.about-intro-text {
    font-size: 16px;
    color: #64748B;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

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

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #64748B;
}

.about-advantages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.advantage-item {
    background: #F8FAFC;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.advantage-icon {
    font-size: 36px;
    color: #1E40AF;
    margin-bottom: 15px;
}

.advantage-title {
    font-size: 16px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 10px;
}

.advantage-desc {
    font-size: 14px;
    color: #64748B;
    line-height: 1.5;
}

.about-certificates {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.certificate-item {
    background: #fff;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    cursor: pointer;
    transition: all 0.3s ease;
}

.certificate-item:hover {
    transform: scale(1.03);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.certificate-img {
    width: 100%;
    height: 180px;
    object-fit: contain;
}

/* 联系我们样式 */
.contact-container {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 40px;
}

.contact-info {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.contact-info-title {
    font-size: 24px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 25px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-info-icon {
    font-size: 24px;
    color: #1E40AF;
    margin-top: 2px;
}

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

.contact-info-content-title {
    font-size: 16px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 5px;
}

.contact-info-content-text {
    font-size: 14px;
    color: #64748B;
    line-height: 1.5;
}

.contact-map {
    width: 100%;
    height: 300px;
    border-radius: 8px;
    margin-top: 20px;
    border: none;
}

.contact-form {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.form-title {
    font-size: 24px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 25px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: #1E293B;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border-radius: 4px;
    border: 1px solid #E2E8F0;
    font-size: 14px;
    color: #334155;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #1E40AF;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-select {
    width: 100%;
    padding: 12px 15px;
    border-radius: 4px;
    border: 1px solid #E2E8F0;
    font-size: 14px;
    color: #334155;
    background: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-select:focus {
    outline: none;
    border-color: #1E40AF;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: 4px;
    border: 1px solid #E2E8F0;
    font-size: 14px;
    color: #334155;
    min-height: 120px;
    resize: vertical;
    transition: all 0.3s ease;
}

.form-textarea:focus {
    outline: none;
    border-color: #1E40AF;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-submit {
    width: 100%;
    padding: 12px;
    border-radius: 4px;
    background: #1E40AF;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit:hover {
    background: #1A365D;
}

.recruitment {
    margin-top: 30px;
    background: #F8FAFC;
    border-radius: 12px;
    padding: 25px;
}

.recruitment-title {
    font-size: 18px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 15px;
    text-align: center;
}

.job-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.job-item {
    padding: 15px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    cursor: pointer;
    transition: all 0.3s ease;
}

.job-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.job-title {
    font-size: 16px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 5px;
}

.job-info {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: #64748B;
}

.job-apply {
    margin-top: 20px;
    text-align: center;
}

/* 响应式样式 */
@media (max-width: 1200px) {
    .container {
        width: 100%;
    }

    .product-cards, .case-cards, .service-cards, .about-advantages, .about-certificates {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 992px) {
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
        font-size: 24px;
        color: #1E293B;
        cursor: pointer;
    }

    .hero-title {
        font-size: 36px;
    }

    .section-main-title, .page-title {
        font-size: 30px;
    }

    .product-service, .cases, .news-cta, .page-content {
        padding: 80px 0;
    }

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

    .product-detail, .about-intro, .solution-sections {
        grid-template-columns: 1fr;
    }

    .solution-header {
        flex-direction: column;
        text-align: center;
    }

    .solution-img {
        width: 100%;
        max-width: 300px;
    }
}

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

    .product-cards, .case-cards, .service-cards, .about-advantages, .about-certificates {
        grid-template-columns: 1fr;
    }

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

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

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

    .tab {
        padding: 8px 15px;
        font-size: 16px;
    }

    .cta-title {
        font-size: 20px;
    }

    .about-tabs, .solution-tabs {
        flex-wrap: wrap;
    }

    .about-tab, .solution-tab {
        padding: 8px 15px;
        font-size: 16px;
    }
}

/* 移动端菜单样式 */

.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 30%;
    height: 100vh;
    background: #fff;
    z-index: 9999;
    padding: 20px;
    transition: all 0.3s ease;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.mobile-menu.active {
    width: 30%;
    left: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.mobile-menu-logo {
    font-size: 20px;
    font-weight: 700;
    color: #1E40AF;
}

.mobile-menu-close {
    font-size: 24px;
    color: #1E293B;
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-nav-item {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    padding: 10px 0;
    border-bottom: 1px solid #F1F5F9;
}

.mobile-subnav {
    padding-left: 15px;
    display: none;
    margin-top: 10px;
    gap: 10px;
    flex-direction: column;
}

.mobile-subnav.active {
    display: flex;
}

.mobile-subnav-item {
    font-size: 14px;
    color: #64748B;
    padding: 5px 0;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.scroll-animate {
    opacity: 0;
}

.scroll-animate.animated {
    animation: fadeInUp 0.8s ease forwards;
}

/*about*/
/*.hero-bg1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 60%;
    background: url('../images/xunfa-beijing.png') center center no-repeat;
    background-size: cover;
    z-index: -1;
}*/

/* 案例滑块样式 */
.case-slider-container {
    position: relative;
    overflow: hidden; /* 隐藏超出容器的内容 */
    margin: 0 auto;
    padding: 0 20px; /* 预留按钮空间 */
}

#case-slider {
    display: flex; /* 改为flex布局实现水平排列 */
    gap: 30px;
    transition: transform 0.5s ease; /* 平滑滚动过渡 */
    padding: 20px 0;
    width: fit-content; /* 内容自适应宽度 */
}

/* 保持单个案例卡片样式，固定宽度确保3个占满一行 */
.case-card {
    min-width: calc(33.333% - 20px); /* 3个卡片平分宽度（减去间距） */
    box-sizing: border-box;
}

/* 滑块控制按钮样式 */
.case-slider-controls {
    position: relative;
    top: 50%;
    z-index: 10;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #E2E8F0;
    color: #1E40AF;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.slider-btn:hover {
    background: #1E40AF;
    color: #fff;
}

.prev-btn {
    left: 0;
    position: absolute;
    z-index: 10;
    top: 50%;
    transform: translate(0,-50%);
}

.next-btn {
    right: 0;
    position: absolute;
    z-index: 10;
    top: 50%;
    transform: translate(0,-50%);
}

/* 响应式调整 */
@media (max-width: 992px) {
    .case-card {
        min-width: calc(50% - 15px); /* 中等屏幕显示2个 */
    }
}

@media (max-width: 768px) {
    .case-card {
        min-width: 100%; /* 小屏幕显示1个 */
    }
}