/* 设备及服务页面样式 */

.hero-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0F1E33 100%);
    color: var(--color-light);
    padding: var(--spacing-xl) 0;
    text-align: center;
}
.hero-content h1 {
    font-size: 42px;
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}
.hero-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}
.hero-contact {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}
.hero-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}
.hero-contact-item i {
    font-size: 24px;
    color: var(--color-accent);
}
.hero-contact-text {
    text-align: left;
}
.hero-contact-text span {
    display: block;
    font-size: var(--font-size-small);
    opacity: 0.8;
}
.hero-contact-text strong {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-light);
}

.tab-nav-wrapper {
    padding: var(--spacing-md) 0;
    background-color: var(--color-gray-light);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 70px;
    z-index: 99;
}
.tab-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    overflow-x: auto;
    scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar {
    display: none;
}
.tab-btn {
    padding: 12px 32px;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    font-family: var(--font-family-cn);
    border-radius: 4px;
}
.tab-btn.active {
    background-color: var(--color-primary);
    color: var(--color-light);
}
.tab-btn:hover:not(.active) {
    background-color: rgba(26, 54, 93, 0.05);
    color: var(--color-primary);
}

.articles-section {
    padding: var(--spacing-xl) 0;
}
.articles-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}
.article-card {
    background-color: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    display: flex;
    gap: var(--spacing-lg);
}
.article-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.article-icon {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    background-color: var(--color-primary);
    color: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}
.article-card:hover .article-icon {
    background-color: var(--color-accent);
    transform: scale(1.05);
}
.article-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}
.article-content h3 {
    font-size: var(--font-size-h4);
    margin: 0;
    transition: all 0.2s ease;
}
.article-card:hover .article-content h3 {
    color: var(--color-accent);
}
.article-desc {
    color: var(--color-text-secondary);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xxs);
}
.article-tag {
    padding: 3px 8px;
    background-color: var(--color-gray-light);
    color: var(--color-primary);
    font-size: var(--font-size-small);
    border-radius: 4px;
    font-weight: 500;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
}
.meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}
.meta-item i {
    color: var(--color-accent);
}
.article-action {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}
.pagination-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    background-color: var(--color-light);
    color: var(--color-primary);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.pagination-btn:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: var(--color-light);
    border-color: var(--color-primary);
}
.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.pagination-btn.active {
    background-color: var(--color-primary);
    color: var(--color-light);
    border-color: var(--color-primary);
}
.pagination-info {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    margin-left: var(--spacing-md);
}

.service-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-light);
}
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}
.service-card {
    background-color: var(--color-light);
    border-radius: 8px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.service-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;
}
.service-card:hover .service-icon {
    background-color: var(--color-accent);
    transform: scale(1.1);
}
.service-card h3 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
}
.service-card p {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    margin: 0;
}

.faq-section {
    padding: var(--spacing-xl) 0;
}
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}
.faq-question {
    width: 100%;
    background: var(--color-light);
    border: none;
    padding: var(--spacing-md);
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-family-cn);
    transition: all 0.2s ease;
}
.faq-question:hover {
    background-color: var(--color-gray-light);
}
.faq-question i {
    transition: all 0.3s ease;
}
.faq-question.active i {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-answer.active {
    max-height: 500px;
}
.faq-answer-content {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-secondary);
}

@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 36px;
    }
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 28px;
    }
    .hero-contact {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .hero-contact-item {
        width: 100%;
    }
    .tab-nav {
        justify-content: flex-start;
    }
    .article-card {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    .article-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    .article-action {
        width: 100%;
        justify-content: flex-start;
    }
    .service-grid {
        grid-template-columns: 1fr;
    }
    .pagination-wrapper {
        flex-wrap: wrap;
    }
    .pagination-info {
        width: 100%;
        text-align: center;
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }
}