/* 首页轮播Banner样式 */
.banner-section {
    position: relative;
    overflow: hidden;
}
.banner-slide {
    min-height: 550px;
    display: flex;
    align-items: center;
    position: relative;
}
.banner-content {
    max-width: 700px;
    padding: var(--spacing-xl) 0;
}
.banner-content h1 {
    font-size: 42px;
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}
.banner-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}
.banner-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
.banner-buttons .btn-outline {
    color: var(--color-light);
    border-color: var(--color-light);
}
.banner-buttons .btn-outline:hover {
    background-color: var(--color-light);
    color: var(--color-primary);
}

/* 首页数据统计板块（特有样式：灰色背景、负边距、圆角、阴影） */
.stats-section {
    background-color: var(--color-gray-light);
    padding: var(--spacing-lg) 0;
    margin-top: -80px;
    position: relative;
    z-index: 10;
    border-radius: 8px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}
.stat-card {
    text-align: center;
}
.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1.2;
    margin-bottom: var(--spacing-xxs);
}
.stat-desc {
    font-size: 16px;
    color: var(--color-dark);
    font-weight: 500;
    margin: 0;
}

/* 首页产品系列网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}
.products-section .product-card {
    background-color: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0;
}
.products-section .product-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.products-section .product-image {
    height: 180px;
    background-color: var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 60px;
}
.products-section .product-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}
.products-section .product-content h3 {
    font-size: var(--font-size-h4);
    margin: 0;
}
.products-section .product-content p {
    color: var(--color-text-secondary);
    margin: 0;
    flex-grow: 1;
    line-height: 1.7;
}

/* 首页核心优势板块 */
.advantages-section {
    background-color: var(--color-gray-light);
    padding: var(--spacing-xl) 0;
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}
.advantage-card {
    background-color: var(--color-light);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    height: 100%;
}
.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.advantage-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto var(--spacing-md);
    transition: all 0.3s ease;
}
.advantage-card:hover .advantage-icon {
    background-color: var(--color-accent);
    transform: scale(1.1);
}
.advantage-card h3 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}
.advantage-card p {
    color: var(--color-text-secondary);
    margin: 0;
    text-align: center;
    line-height: 1.7;
}

/* 首页解决方案板块 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}
.solution-card {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    height: 100%;
}
.solution-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.solution-image {
    height: 200px;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-light);
    font-size: 60px;
}
.solution-content {
    padding: var(--spacing-md);
}
.solution-content h3 {
    font-size: var(--font-size-h4);
    margin: 0 0 var(--spacing-sm);
}
.solution-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

/* 首页工程案例板块 */
.cases-section {
    background-color: var(--color-gray-light);
    padding: var(--spacing-xl) 0;
}
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}
.case-card {
    background-color: var(--color-light);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.case-image {
    height: 200px;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-light);
    font-size: 60px;
}
.case-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(26, 54, 93, 0.08);
    color: var(--color-primary);
    font-size: var(--font-size-small);
    border-radius: 4px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    align-self: flex-start;
}
.case-content h3 {
    font-size: var(--font-size-h4);
    margin: 0 0 var(--spacing-sm);
}
.case-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    line-height: 1.7;
}

/* 设备及服务板块样式 */
.service-resource-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light);
}
.service-resource-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}
.service-resource-card {
    background-color: var(--color-gray-light);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    height: 100%;
}
.service-resource-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    background-color: var(--color-light);
    border: 1px solid var(--color-primary);
}
.resource-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(26, 54, 93, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}
.service-resource-card:hover .resource-icon {
    background-color: var(--color-primary);
    color: var(--color-light);
}
.resource-content h3 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}
.resource-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .banner-content h1 {
        font-size: 36px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .products-grid,
    .advantages-grid,
    .service-resource-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .solutions-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .banner-content h1 {
        font-size: 28px;
    }
    .banner-slide {
        min-height: 450px;
    }
    .banner-buttons {
        flex-direction: column;
    }
    .banner-buttons .btn {
        width: 100%;
    }
    .stats-section {
        margin-top: -40px;
        padding: var(--spacing-md) 0;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    .stat-number {
        font-size: 36px;
    }
    .products-grid,
    .advantages-grid,
    .solutions-grid,
    .cases-grid,
    .service-resource-grid {
        grid-template-columns: 1fr;
    }
}