/* 页面标题样式 */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary-blue) 100%);
    color: var(--white);
    text-align: center;
}

.page-title h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 1s ease 0.2s;
    animation-fill-mode: both;
}

/* 服务分类导航样式 */
.service-nav {
    background-color: var(--white);
    padding: 40px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.service-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.category-btn {
    padding: 12px 25px;
    border: 2px solid var(--light-gray);
    background-color: var(--white);
    color: var(--text-dark);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.category-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.category-btn.active {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}

/* 服务详情样式 */
.services-detail {
    padding: 60px 0;
}

.service-category {
    margin-bottom: 80px;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.service-category.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--light-gray);
}

.service-icon-large {
    width: 100px;
    height: 100px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.service-category:hover .service-icon-large {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: scale(1.1);
}

.service-icon-large i {
    font-size: 2.5rem;
    color: var(--primary-blue);
}

.service-category:hover .service-icon-large i {
    color: var(--white);
}

.service-title h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.service-title p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
}

/* 服务项目网格 */
.service-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-item {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid #f0f0f0;
}

.service-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-blue);
}

.item-icon {
    width: 60px;
    height: 60px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-item:hover .item-icon {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: scale(1.1);
}

.item-icon i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.service-item:hover .item-icon i {
    color: var(--white);
}

.service-item h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.service-item > p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 8px;
    transition: var(--transition);
}

.feature-list li:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

.feature-list i {
    color: var(--accent);
    margin-right: 10px;
    font-size: 0.8rem;
}

/* CTA区域样式 */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background-color: var(--white);
    color: var(--primary-blue);
    box-shadow: 0 4px 14px rgba(255, 255, 255, 0.3);
}

.cta-section .btn-primary:hover {
    background-color: var(--accent);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 隐藏非活动分类 */
.service-category.hidden {
    display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-title h1 {
        font-size: 2.5rem;
    }

    .service-nav {
        position: static;
    }

    .service-categories {
        gap: 10px;
    }

    .category-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .service-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .service-title h2 {
        font-size: 2rem;
    }

    .service-items {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .service-item {
        padding: 25px;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .service-icon-large {
        width: 80px;
        height: 80px;
    }

    .service-icon-large i {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 140px 0 60px;
    }

    .service-categories {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }

    .service-categories::-webkit-scrollbar {
        height: 4px;
    }

    .service-categories::-webkit-scrollbar-track {
        background: var(--light-gray);
        border-radius: 2px;
    }

    .service-categories::-webkit-scrollbar-thumb {
        background: var(--primary-blue);
        border-radius: 2px;
    }
}