/* ========================================
   业务中心页面样式
   ======================================== */

/* 页面横幅 */
.page-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.page-banner h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-banner p {
    font-size: 18px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* 服务页面布局 */
.service-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

/* 侧边栏 */
.service-sidebar {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar-title {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    font-size: 20px;
    font-weight: 600;
}

.sidebar-nav {
    padding: 10px 0;
}

.sidebar-nav a {
    display: block;
    padding: 15px 20px;
    color: var(--text-dark);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: var(--primary-light);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

/* 服务主体 */
.service-main {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.service-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.service-header h2 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.service-subtitle {
    font-size: 16px;
    color: var(--text-medium);
}

/* 服务图片画廊 */
.service-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.service-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.service-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.service-image:hover img {
    transform: scale(1.03);
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 15px;
    font-size: 14px;
}

/* 服务内容 */
.service-content {
    margin-top: 30px;
}

.content-block {
    margin-bottom: 40px;
}

.content-block h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.content-text {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 15px;
}

.content-text p {
    margin-bottom: 15px;
}

/* 空状态 */
.service-empty {
    text-align: center;
    padding: 80px 20px;
}

.empty-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.service-empty h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.service-empty p {
    color: var(--text-light);
    font-size: 16px;
}

/* 响应式 */
@media (max-width: 992px) {
    .service-layout {
        grid-template-columns: 1fr;
    }

    .service-sidebar {
        position: static;
    }

    .service-gallery {
        grid-template-columns: 1fr;
    }
}