/* =========================
   页面标题样式
========================= */
.page-header {
	background: #000b5a url('../images/n-banner2.jpg') center/cover no-repeat;
    padding: calc(5rem + 3vw) 5% calc(2.5rem + 1vw);
    min-height: 28.125rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: relative;
}


.page-header-inner {
    max-width: 100rem;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

.page-header-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 0.625rem 0;
    letter-spacing: 0.125rem;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 1.5rem 0;
}

.page-header-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* =========================
   应用领域区域样式
========================= */
.area-section {
    padding: 4rem 5%;
    position: relative;
    background: #f8f9fa;
}

.area-section .area-container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 2rem;
}

.area-section .area-card {
    display: flex !important;
    align-items: stretch !important;
    background: #fff;
    margin-bottom: 2rem;
    box-shadow: 0 0.125rem 0.375rem rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(2rem);
    min-height: 24rem;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.area-section .area-card:hover {
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.12);
    transform: translateY(-0.25rem);
}

.area-section .area-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.area-section .area-card-reverse {
    flex-direction: row-reverse !important;
}

.area-section .area-card-image-wrapper {
    flex: 0 0 50% !important;
    width: 50% !important;
    height: auto !important;
    overflow: hidden;
    position: relative;
}

.area-section .area-card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.area-section .area-card:hover .area-card-image {
    transform: scale(1.08);
}

.area-section .area-card-content {
    flex: 0 0 50% !important;
    padding: 2rem;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center;
    width: 50% !important;
    transition: background-color 0.35s ease;
}

.area-section .area-card:hover .area-card-content {
    background-color: #fafbfc;
}

.area-section .area-card-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #333;
    margin: 0 0 1rem 0;
}

.area-section .area-card-content p {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.7;
    margin: 0 0 1.5rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.area-section .area-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 7.5rem;
    height: 2.5rem;
    background: #fff;
    color: #005AAA !important;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 62.4375rem;
    border: 0.0625rem solid #005AAA;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    align-self: flex-start;
}

.area-section .area-card-btn:hover {
    background: #005AAA;
    color: #fff !important;
    border-color: #005AAA;
}

/* =========================
   响应式样式
========================= */
@media (max-width: 75rem) {
    .area-section .area-card-content {
        padding: 2rem;
    }
    
    .area-section .area-card-content h3 {
        font-size: 1.125rem;
    }
    
    .area-section .area-card-content p {
        font-size: 0.875rem;
    }
}

@media (max-width: 48rem) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .area-section {
        padding: 3rem 3%;
    }
    
    .area-section .area-card {
        flex-direction: column !important;
        min-height: auto !important;
    }
    
    .area-section .area-card-image {
        flex: 0 0 20rem !important;
        width: 100% !important;
    }
    
    .area-section .area-card-content {
        flex: 1 !important;
        padding: 2rem;
        width: 100% !important;
    }
}

@media (max-width: 36rem) {
    .area-section .area-card-image {
        flex: 0 0 16rem !important;
    }
}