/* 布局样式 - 经典蓝白配色 */
.hero {
    height: 600px;
    position: relative;
    margin-top: 70px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--medium-blue) 100%);
}

.hero-slider {
    height: 100%;
}

.slide {
    height: 100%;
    position: relative;
    display: none;
}

.slide.active {
    display: flex;
}

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    z-index: 2;
}

.hero-text {
    max-width: 600px;
    color: var(--pure-white);
}

.hero-text h2 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--pure-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

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

.slide-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-color: var(--light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-blue);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.about-image {
    background-color: var(--light-gray);
    border-radius: var(--radius-lg);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-gray);
}

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

.product-card {
    background-color: var(--pure-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--medium-gray);
}

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

.product-image {
    height: 200px;
    background-color: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-gray);
}

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

.product-content h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-blue);
}

.product-content p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.feature {
    background-color: var(--light-blue);
    color: var(--primary-blue);
    padding: 4px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

/* 绿色点缀的特征标签 */
.feature.accent {
    background-color: var(--light-green);
    color: var(--accent-green);
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.tech-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: var(--primary-blue);
}

/* 绿色点缀的图标 */
.tech-icon.accent {
    background-color: var(--light-green);
    color: var(--accent-green);
}

.tech-item h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-blue);
}

.tech-item p {
    color: var(--dark-gray);
}

.news-list {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.news-item {
    display: flex;
    background-color: var(--pure-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s;
    border: 1px solid var(--medium-gray);
}

.news-item:hover {
    box-shadow: var(--shadow-md);
}

.news-date {
    background-color: var(--primary-blue);
    color: var(--pure-white);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

/* 绿色点缀的日期 */
.news-date.accent {
    background-color: var(--accent-green);
}

.news-date .day {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.news-date .month {
    font-size: 0.9rem;
}

.news-content {
    padding: var(--spacing-lg);
    flex: 1;
}

.news-content h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
    color: var(--primary-blue);
}

.news-content h3 a:hover {
    color: var(--medium-blue);
}

.news-content p {
    color: var(--dark-gray);
}

.footer {
    background-color: var(--primary-blue);
    color: var(--pure-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--pure-white);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    color: var(--pure-white);
}

.footer-section h4::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--pure-white);
    margin-top: var(--spacing-xs);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--pure-white);
}

.footer-contact li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    transition: background-color 0.3s;
    color: var(--pure-white);
}

.social-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}