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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 30px;
}

.logo a {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

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

.nav-links a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #0066cc;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: #333;
    transition: all 0.3s;
}

/* 首页轮播图样式 */
.hero-section {
    height: 100vh;
    position: relative;
    overflow: hidden;
    background-color: #001529;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide:nth-child(1) {
    background-image: url('../images/tech-bg1.svg');
}

.slide:nth-child(2) {
    background-image: url('../images/tech-bg2.svg');
}

.slide:nth-child(3) {
    background-image: url('../images/tech-bg3.svg');
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 200px 20px 0;
    text-align: center;
    color: #fff;
}

.slide-content h1 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.slide-content p {
    font-size: 24px;
    margin-bottom: 30px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(45deg, #0066cc, #0090ff);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,144,255,0.4);
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    background: linear-gradient(45deg, #1a1a1a, #4a4a4a);
}

.slide.active {
    opacity: 1;
}

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

.slide-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.8s forwards;
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.8s 0.2s forwards;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: #0066cc;
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    transition: background-color 0.3s;
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.8s 0.4s forwards;
}

.cta-button:hover {
    background-color: #0052a3;
}

/* 关于我们部分样式 */
.about-section {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #0066cc;
    margin: 20px auto 0;
}

.about-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 10px;
}

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

/* 产品服务部分样式 */
.products-section {
    padding: 100px 0;
}

.products-intro {
    margin-bottom: 40px;
}

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

.product-card {
    position: relative;
    padding: 30px;
    border-radius: 8px;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
    border: 1px solid #eaeaea;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 0;
}

.product-card.blockchain {
    background: linear-gradient(135deg, #0066cc, #0090ff);
    color: white;
}

.product-card.blockchain::before {
    background-image: url('../images/blockchain.svg');
    opacity: 0.2;
}

.product-icon {
    margin-bottom: 20px;
}

.product-icon i {
    font-size: 48px;
}

.ai-solution-icon i {
    color: #0066cc;
}

.blockchain-icon i {
    color: #4CAF50;
}

.cloud-icon i {
    color: #2196F3;
}

.custom-icon i {
    color: #9C27B0;
}

.integration-icon i {
    color: #FF9800;
}

.consulting-icon i {
    color: #607D8B;
}

.data-icon i {
    color: #795548;
}

.web-icon i {
    color: #E91E63;
}

.testing-icon i {
    color: #F44336;
}

.product-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.product-card p {
    color: #666;
    line-height: 1.6;
}

/* 技术实力部分样式 */
.technology-section {
    padding: 100px 0;
    background-color: #f8f9fa;
}

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

.tech-category {
    background-color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.tech-category h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #0066cc;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.tech-item {
    padding: 8px 16px;
    background-color: #f0f5ff;
    color: #0066cc;
    border-radius: 20px;
    font-size: 14px;
}

/* 成功案例部分样式 */
.cases-section {
    padding: 100px 0;
}

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

.case-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    border: 1px solid #eaeaea;
}
.cases-intro{
    margin-bottom: 40px;
}
.case-image {
    height: 200px;
    overflow: hidden;
}

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

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.case-content p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 联系我们部分样式 */
.contact-section {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.contact-info {
    padding: 30px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.info-item i {
    font-size: 24px;
    color: #0066cc;
    margin-right: 15px;
}

.contact-form {
    padding: 30px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0066cc;
    outline: none;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.submit-button {
    width: 100%;
    padding: 15px;
    background-color: #0066cc;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: #0052a3;
}

/* 页脚样式 */
.footer {
    background-color: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 30px;
}

.footer-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.footer-info p {
    color: #999;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.link-group h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.link-group ul {
    list-style: none;
}

.link-group ul li {
    margin-bottom: 10px;
}

.link-group ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.link-group ul li a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .products-grid,
    .tech-showcase,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .slide-content h1 {
        font-size: 36px;
    }

    .slide-content p {
        font-size: 16px;
    }

    .products-grid,
    .tech-showcase,
    .cases-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
    }
}