/* 全局变量引用 - 这些变量在public.css中定义 */
:root {
    --primary-color: #2ecc71;
    --secondary-color: #27ae60;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #333;
    --gray-color: #95a5a6;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* 主横幅样式 */
.hero {
    padding: 150px 0 80px;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: rgba(46, 204, 113, 0.1);
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: rgba(46, 204, 113, 0.1);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 30px;
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    max-width: 100%;
    animation: float 6s ease-in-out infinite;
}

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

/* 服务区域样式 */
.services {
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: white;
    border-radius: 8px;
    padding: 40px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
}

.card-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(46, 204, 113, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.card-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-color);
    margin-bottom: 20px;
}

.service-card ul {
    margin-bottom: 25px;
}

.service-card ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.service-card ul li::before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 产品区域样式 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(46, 204, 113, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.product-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.product-card p {
    color: var(--gray-color);
}

/* 优势区域样式 */
.advantages {
    background-color: var(--light-color);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.advantage-item {
    display: flex;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.advantage-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background-color: rgba(46, 204, 113, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.advantage-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.advantage-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.advantage-content p {
    color: var(--gray-color);
    margin-bottom: 0;
}

/* 联系我们区域样式 */
.contact {
    background-color: #f9f9f9;
}

.contact-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.contact-info {
    background-color: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: var(--box-shadow);
    max-width: 600px;
    width: 100%;
}

.info-item {
    display: flex;
    margin-bottom: 30px;
}

.info-item i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(46, 204, 113, 0.1);
    border-radius: 50%;
    margin-right: 20px;
    color: var(--primary-color);
    font-size: 20px;
    flex-shrink: 0;
}

.info-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.info-item p {
    color: var(--gray-color);
    margin-bottom: 0;
}

.contact-social {
    margin-top: 30px;
}

.contact-social h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* Call To Action 区域样式 */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 80px 0;
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta .btn-primary {
    background-color: white;
    color: var(--primary-color);
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.cta .btn-primary:hover {
    background-color: var(--dark-color);
    color: white;
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 991px) {
    .hero {
        padding: 130px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .service-card, .advantage-item {
        padding: 25px;
    }
    
    .advantages-grid,
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons a {
        width: 100%;
        text-align: center;
    }
    
    .advantage-item {
        flex-direction: column;
    }
    
    .advantage-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
}