/* 首页专用样式 */

/* 英雄区域 */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(
        135deg,
        var(--paper-white) 0%,
        var(--smoke-gray) 50%,
        var(--light-gray) 100%
    );
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 0, 0, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 0, 0, 0.01) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
}

.title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    background: linear-gradient(
        135deg,
        var(--primary-black) 0%,
        var(--dark-gray) 50%,
        var(--primary-black) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.title-subtitle {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--dark-gray);
    letter-spacing: 2px;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-elements {
    position: relative;
    width: 400px;
    height: 400px;
}

.element {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.1),
        rgba(0, 0, 0, 0.05)
    );
    animation: floatSlow 6s ease-in-out infinite;
}

.element-1 {
    width: 120px;
    height: 120px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 80px;
    height: 80px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.element-3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

/* 服务概览 */
.services-overview {
    padding: var(--spacing-xxl) 0;
    background: var(--paper-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--primary-black),
        transparent
    );
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.service-card {
    background: var(--paper-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--primary-black),
        var(--dark-gray),
        var(--primary-black)
    );
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--light-gray);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--primary-black);
    transform: scale(1.1);
}

.icon {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    transition: var(--transition-normal);
}

.ai-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.software-icon {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.sales-icon {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.service-card:hover .icon {
    background: var(--paper-white);
}

.service-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.service-features {
    color: var(--dark-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* 项目展示 */
.projects-showcase {
    padding: var(--spacing-xxl) 0;
    background: var(--smoke-gray);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.project-card {
    background: var(--paper-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        var(--light-gray) 0%,
        var(--medium-gray) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-gray);
    font-size: 1.1rem;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

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

.project-link {
    color: var(--paper-white);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--paper-white);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition-fast);
}

.project-link:hover {
    background: var(--paper-white);
    color: var(--primary-black);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: var(--spacing-xs);
}

.project-client {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.tech-label {
    color: var(--dark-gray);
    font-weight: 500;
}

.tech-list {
    color: var(--text-gray);
}

.no-projects {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--dark-gray);
}

/* 团队预览 */
.team-preview {
    padding: var(--spacing-xxl) 0;
    background: var(--paper-white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.team-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--paper-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.member-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--light-gray);
    transition: var(--transition-normal);
}

.team-card:hover .member-avatar {
    border-color: var(--primary-black);
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.member-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: var(--spacing-xs);
}

.member-position {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.member-bio {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 联系我们CTA */
.contact-cta {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(
        135deg,
        var(--primary-black) 0%,
        var(--secondary-black) 100%
    );
    color: var(--paper-white);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: var(--paper-white);
    color: var(--primary-black);
}

.cta-buttons .btn-primary:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

.cta-buttons .btn-secondary {
    background: transparent;
    color: var(--paper-white);
    border-color: var(--paper-white);
}

.cta-buttons .btn-secondary:hover {
    background: var(--paper-white);
    color: var(--primary-black);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .title-subtitle {
        font-size: 1rem;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .floating-elements {
        width: 250px;
        height: 250px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .projects-grid,
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .title-main {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .service-card,
    .project-card,
    .team-card {
        margin: 0 var(--spacing-sm);
    }
    
    .projects-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}