/* 页面banner样式 */
.page-banner {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-bottom: 60px;
}

.page-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-banner .banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    width: 100%;
    padding: 0 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.page-banner .banner-text h1 {
    font-size: 48px;
    margin-bottom: 15px;
}

.page-banner .banner-text p {
    font-size: 24px;
    opacity: 0.9;
}

/* 服务概览部分 */
.services-overview {
    padding: 60px 0;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.overview-item {
    background: var(--white);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.overview-item:hover {
    transform: translateY(-5px);
}

.overview-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 20px;
}

.overview-item h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 15px;
}

.overview-item ul {
    list-style: none;
    padding: 0;
}

.overview-item ul li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.overview-item ul li::before {
    content: '•';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* 服务流程部分 */
.service-process {
    padding: 60px 0;
    background-color: var(--light-bg);
}

.process-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
}

.process-flow::before {
    content: '';
    position: absolute;
    top: 100px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
    z-index: 1;
}

.process-item {
    text-align: center;
    position: relative;
    z-index: 2;
}

.process-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.process-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.process-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.process-item p {
    color: var(--text-color);
    font-size: 14px;
}

/* 案例研究部分 */
.case-studies {
    padding: 60px 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-item {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.case-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.case-content p {
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-flow {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-flow::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .page-banner {
        height: 300px;
    }

    .page-banner .banner-text h1 {
        font-size: 36px;
    }

    .page-banner .banner-text p {
        font-size: 18px;
    }

    .case-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }

    .process-flow {
        grid-template-columns: 1fr;
    }
}