/* =========================
   页面标题样式
========================= */
.page-header {
    background: #f5f7fa;
    padding: calc(5rem + 3vw) 5% 4rem;
    min-height: 18.125rem;
    display: flex;
    align-items: flex-start;
    border-bottom: 0.0625rem solid #eee;
}

.page-header-inner {
    max-width: 100rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    align-items: flex-start !important;
    text-align: left;
}

.back-link {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: #666;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.back-text {
    font-size: 0.875rem;
}

.back-arrow {
    flex-shrink: 0;
}

.back-link:hover {
    color: #005AAA;
}

.back-arrow {
    width: 1.25rem;
    height: 1.25rem;
}

.page-header-title-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.page-header-en {
    font-size: 0.875rem;
    color: #999;
    margin: 0 0 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.125rem;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin: 0;
}

/* =========================
   领域介绍区域样式
========================= */
.domain-intro {
    padding: 4rem 5% 0;
    background: #fff;
}

.domain-intro-inner {
    max-width: 100rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.75rem;
    align-items: flex-start;
}

.domain-intro-content {
    padding-top: 2rem;
}

.domain-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.domain-text {
    font-size: 1rem;
    color: #666;
    line-height: 1.9;
    margin-bottom: 1rem;
    text-align: justify;
}

.domain-product-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.domain-product-list {
    margin-bottom: 0;
}

.domain-product-list p {
    font-size: 0.9375rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.domain-product-list p:last-child {
    margin-bottom: 0;
}

.domain-intro-image {
    width: 100%;
    transform: translateY(-2rem);
}

.domain-intro-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0.3125rem;
}

/* =========================
   产品卡片轮播样式
========================= */
.product-carousel {
    padding: 4rem 5%;
    background: #f5f7fa;
    position: relative;
}

.product-carousel-inner {
    max-width: 100rem;
    margin: 0 auto;
    position: relative;
}

.carousel-wrapper {
    overflow: hidden;
    position: relative;
    padding-bottom: 1.5rem;
}

.carousel-track {
    display: flex;
    gap: 2%;
    transition: transform 0.5s ease;
}

.product-carousel .product-card {
    flex: 0 0 22%;
    background: transparent;
    padding: 0;
    border-radius: 0.25rem;
    box-shadow: 0 0.125rem 1.25rem rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
    overflow: hidden;
}

.product-carousel .product-card:hover {
    transform: translateY(-0.3125rem);
    box-shadow: 0 0.25rem 1.875rem rgba(0, 0, 0, 0.1);
}

.product-carousel .product-card-image {
    width: 100%;
    height: 10rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
}

.product-carousel .product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.product-carousel .product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-carousel .product-card-title {
    font-size: 1.125rem;
    font-weight: 400;
    color: #333;
    margin-bottom: 0;
    text-align: center;
    background: #fff;
    padding: 1rem;
}

.product-carousel .product-card-desc {
    font-size: 0.9375rem;
    color: #666;
    line-height: 1.8;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3.125rem;
    height: 3.125rem;
    border-radius: 50%;
    background: #fff;
    border: 0.0625rem solid #eee;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: #005AAA;
    border-color: #005AAA;
}

.carousel-btn:hover svg {
    stroke: #fff;
}

.carousel-prev {
    left: -5rem;
}

.carousel-next {
    right: -5rem;
}

/* =========================
   响应式样式
========================= */
@media (max-width: 75rem) {
    .domain-intro-inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .domain-intro-image {
        order: -1;
    }
    
    .product-card {
        flex: 0 0 45%;
    }
    
    .carousel-prev {
        left: 0;
    }
    
    .carousel-next {
        right: 0;
    }
}

@media (max-width: 48rem) {
    .page-header h1 {
        font-size: 1.875rem;
    }
    
    .domain-title {
        font-size: 1.25rem;
    }
    
    .domain-text {
        font-size: 0.9375rem;
    }
    
    .product-carousel {
        padding: 3.125rem 5%;
    }
    
    .product-card {
        flex: 0 0 90%;
        padding: 1.5rem;
    }
    
    .product-card-title {
        font-size: 1rem;
    }
    
    .product-card-desc {
        font-size: 0.875rem;
    }
}