/* 专业服务页面专用样式 */

/* 页面横幅 */
.page-hero {
    padding: 0;
    background: linear-gradient(135deg, rgba(0, 31, 63, 0.85) 0%, rgba(70, 130, 180, 0.75) 100%), 
                url('../content/images/cpa2.webp') center/cover;
    color: white;
    text-align: left;
    position: relative;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    padding-left: 20px;
    padding-top: 40px;
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    padding-left: 20px;
}

/* 服务分类导航 */
.services-categories {
    margin-top: 50px;
}

.category-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 15px 30px;
    border: 2px solid var(--border-color);
    background: var(--background-color);
    color: var(--text-color);
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* 服务内容 */
.category-content {
    min-height: 600px;
}

.service-category {
    display: none;
    animation: fadeIn 0.5s ease;
}

.service-category.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--light-gray);
    border-radius: 12px;
}

.category-icon {
    width: 100px;
    height: 100px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.category-icon img {
    width: 50px;
    height: 50px;
}

.category-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.category-info p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.service-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-item {
    background: var(--background-color);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--secondary-color);
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-item h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-color);
    position: relative;
    padding-left: 25px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* 服务优势 */
.service-advantages {
    padding: 80px 0;
    background: var(--light-gray);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-card {
    background: var(--background-color);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.advantage-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.6;
}



/* 行业解决方案 */
.industry-solutions {
    padding: 80px 0;
    background: var(--light-gray);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.solution-card {
    background: var(--background-color);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.solution-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

.solution-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.solution-card ul li {
    padding: 5px 0;
    color: var(--text-color);
    position: relative;
    padding-left: 20px;
}

.solution-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .category-nav {
        gap: 15px;
    }
    
    .category-btn {
        padding: 12px 25px;
        min-width: 120px;
        font-size: 0.95rem;
    }
    
    .category-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .service-items {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .category-nav {
        gap: 10px;
    }
    
    .category-btn {
        padding: 10px 20px;
        min-width: 110px;
        font-size: 0.9rem;
    }
    
    .service-items {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    

    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-icon {
        width: 80px;
        height: 80px;
    }
    
    .category-icon img {
        width: 40px;
        height: 40px;
    }
    
    .category-info h3 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .category-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .category-btn {
        width: 200px;
    }
    
    .service-item {
        padding: 25px 20px;
    }
    
    .advantage-card {
        padding: 30px 20px;
    }
    
    .solution-card {
        padding: 30px 20px;
    }
    
    .category-header {
        padding: 20px;
    }
    
    .category-info h3 {
        font-size: 1.6rem;
    }
    
    .category-info p {
        font-size: 1rem;
    }
}