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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #6366f1;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-link:hover {
    color: #6366f1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #6366f1;
}

/* 数字人动画 */
.digital-human-animation {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.avatar-container {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.avatar-face {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    border-radius: 50%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.eyes {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.eye {
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    position: relative;
    animation: blink 4s infinite;
}

.eye::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 8px;
    height: 8px;
    background: #333;
    border-radius: 50%;
}

.mouth {
    width: 40px;
    height: 20px;
    border: 3px solid white;
    border-top: none;
    border-radius: 0 0 40px 40px;
    animation: speak 2s ease-in-out infinite;
}

.speech-bubble {
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    color: #333;
    padding: 1rem;
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    font-size: 0.9rem;
    white-space: nowrap;
}

.speech-bubble::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border: 10px solid transparent;
    border-top-color: white;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes blink {
    0%, 90%, 100% { transform: scaleY(1); }
    95% { transform: scaleY(0.1); }
}

@keyframes speak {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.2); }
}

/* 产品服务 */
.products {
    padding: 5rem 0;
    background: #f8fafc;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.section-header p {
    font-size: 1.1rem;
    color: #64748b;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.product-icon i {
    font-size: 2rem;
    color: white;
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.product-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.product-features li {
    padding: 0.5rem 0;
    color: #64748b;
    position: relative;
    padding-left: 1.5rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* 技术优势 */
.technology {
    padding: 5rem 0;
    background: white;
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tech-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.tech-item:hover {
    background: #e0e7ff;
    transform: translateX(10px);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.tech-icon i {
    font-size: 1.5rem;
    color: white;
}

.tech-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.tech-details p {
    color: #64748b;
    line-height: 1.6;
}

.tech-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 关于我们 */
.about {
    padding: 5rem 0;
    background: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.about-text p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.company-values {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    margin-top: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.company-values h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.company-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.highlight-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.highlight-item i {
    font-size: 2rem;
    color: #6366f1;
    margin-bottom: 1rem;
}

.highlight-item span {
    font-weight: 600;
    color: #1e293b;
}

/* 加入我们 */
.join-us {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.join-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: start;
}

.join-text h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    text-align: center;
}

.join-text p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.vision-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.vision-item {
    display: flex;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.vision-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.vision-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #ffd700, #ff6b6b);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.vision-icon i {
    font-size: 1.8rem;
    color: white;
}

.vision-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: white;
}

.vision-content p {
    font-size: 1rem;
    opacity: 0.8;
    margin: 0;
    line-height: 1.6;
}

.join-opportunities {
    background: white;
    color: #333;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.join-opportunities h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
    text-align: center;
}

.opportunities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.opportunity-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.opportunity-card:hover {
    background: white;
    border-color: #6366f1;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.1);
}

.opportunity-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.opportunity-icon i {
    font-size: 2rem;
    color: white;
}

.opportunity-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.opportunity-card p {
    color: #64748b;
    line-height: 1.6;
}

.join-positions {
    background: white;
    color: #333;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.join-positions h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
    text-align: center;
}

.position-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.position-item {
    border: 2px solid #e2e8f0;
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.position-item:hover {
    border-color: #6366f1;
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.position-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.position-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
}

.position-tag {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.position-item p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.position-item ul {
    list-style: none;
}

.position-item ul li {
    padding: 0.3rem 0;
    color: #64748b;
    position: relative;
    padding-left: 1.2rem;
}

.position-item ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #6366f1;
    font-weight: bold;
}

.join-cta {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.join-cta h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.join-cta p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* 联系我们 */
.contact {
    padding: 5rem 0;
    background: white;
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    max-width: 500px;
    width: 100%;
}
.wechat-wrap{
    height: 20rem;
    width: 100%;
    object-fit: contain;
}


.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #e0e7ff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.contact-item p {
    color: #64748b;
}



/* 页脚 */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 0.5rem;
    color: #6366f1;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #f1f5f9;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #6366f1;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #6366f1;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

.bottom-info-wrap{
    display: flex;
    flex-direction: row;
    gap: 2rem;
    justify-content: center;
}
.bottom-info-wrap a{
    color:rgb(116, 154, 227);
}
/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .tech-content,
    .about-content,
    .join-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-stats {
        grid-template-columns: 1fr;
    }
    
    .company-highlights {
        grid-template-columns: 1fr;
    }
    
    .vision-highlights {
        grid-template-columns: 1fr;
    }
    
    .opportunities-grid {
        grid-template-columns: 1fr;
    }
    
    .position-list {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .product-card {
        padding: 1.5rem;
    }
    
    .tech-item {
        flex-direction: column;
        text-align: center;
    }
    
    .tech-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}