* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* ������ */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    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;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #667eea;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #667eea;
    transition: width 0.3s ease;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* Ӣ������ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 100px 20px 50px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,149.3C960,160,1056,160,1152,138.7C1248,117,1344,75,1392,53.3L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

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

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 28px;
    margin-bottom: 15px;
    animation: fadeInUp 1.2s ease;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1.4s ease;
}

.cta-button {
    padding: 15px 40px;
    font-size: 18px;
    font-weight: 600;
    color: #667eea;
    background: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 1.6s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ������� */
.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

/* ���ļ��� */
.tech-section {
    padding: 100px 20px;
    background: #f8f9fa;
}

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

.tech-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.tech-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.tech-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.tech-card p {
    color: #666;
    line-height: 1.8;
}

/* ��Ʒ���� */
.products-section {
    padding: 100px 20px;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    position: relative;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 40px 30px;
    border-radius: 20px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.product-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 48px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.3);
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.product-card p {
    color: #555;
    margin-bottom: 10px;
    line-height: 1.6;
}

.product-icon {
    font-size: 48px;
    margin-top: 20px;
}

/* AI������ */
.ai-digital-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.ai-digital-section .section-title {
    color: white;
    -webkit-text-fill-color: white;
}

.feature-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
}

.feature-box h3 {
    font-size: 32px;
    margin-bottom: 15px;
}

.feature-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.feature-content p {
    margin-bottom: 15px;
    font-size: 16px;
    opacity: 0.9;
}

.feature-tags {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
}

/* ������� */
.solutions-section {
    padding: 100px 20px;
    background: #f8f9fa;
}

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

.solution-item {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.solution-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.solution-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.solution-item h4 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #333;
}

.solution-item p {
    color: #666;
}

/* ��Ʒ���� */
.matrix-section {
    padding: 100px 20px;
    background: white;
}

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

.matrix-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.matrix-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.4);
}

.matrix-number {
    font-size: 36px;
    font-weight: 800;
    opacity: 0.5;
    margin-bottom: 15px;
}

.matrix-item h4 {
    font-size: 28px;
    margin-bottom: 10px;
}

.matrix-item p {
    opacity: 0.9;
}

/* ����ͳ�� */
.stats-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

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

.stat-number {
    font-size: 64px;
    font-weight: 800;
    display: inline-block;
}

.stat-unit {
    font-size: 32px;
    font-weight: 600;
    display: inline-block;
    margin-left: 5px;
}

.stat-label {
    font-size: 18px;
    margin-top: 10px;
    opacity: 0.9;
}

/* ҳ�� */
.footer {
    background: #1a1a2e;
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    margin-bottom: 30px;
}

.contact-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 40px;
    color: white;
    position: relative;
    padding-bottom: 15px;
}

.contact-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #667eea;
}

.footer-copyright {
    text-align: center;
    opacity: 0.7;
    font-size: 14px;
}

.footer-copyright a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-copyright a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-contact-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

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

.contact-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
}

.contact-icon svg {
    color: white;
}

.contact-item h4 {
    margin-bottom: 8px;
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.contact-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
}

.contact-phone {
    color: #667eea;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-phone:hover {
    color: #764ba2;
    text-decoration: underline;
}

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

/* ��Ӧʽ��� */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .tech-grid,
    .products-grid,
    .solutions-grid,
    .matrix-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-box {
        padding: 30px 20px;
    }
    
    .stat-number {
        font-size: 48px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 16px;
    }
}