/* 业务服务页面样式 */

.page-banner {
    position: relative;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 70px;
    overflow: hidden;
}

.banner-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

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

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 76, 129, 0.88), rgba(15, 76, 129, 0.75));
    z-index: -1;
}

.banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--bg-white);
}

.banner-content h1 {
    font-size: 52px;
    font-weight: bold;
    margin-bottom: 15px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.banner-content p {
    font-size: 22px;
    opacity: 0.95;
}

.service-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.service-section.alt-bg {
    background: var(--bg-light);
}

.service-header-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.service-header-layout.reverse {
    grid-template-columns: 1.2fr 1fr;
}

.service-header-layout.reverse .service-image-box {
    order: 2;
}

.service-header-layout.reverse .service-text-box {
    order: 1;
}

.service-image-box {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-image-box img {
    width: 100%;
    height: auto;
    display: block;
}

.service-title {
    font-size: 38px;
    color: var(--primary-blue);
    margin-bottom: 25px;
}

.service-intro {
    font-size: 18px;
    color: var(--light-text);
    line-height: 1.9;
}

.service-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.detail-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.detail-card h3 {
    font-size: 26px;
    color: var(--primary-blue);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-blue);
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 14px 0;
    padding-left: 32px;
    position: relative;
    color: var(--light-text);
    line-height: 1.8;
    font-size: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-weight: bold;
    font-size: 20px;
}

.service-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-blue), #1a5a9e);
    color: var(--bg-white);
    text-align: center;
}

.service-cta h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: var(--bg-white);
}

.service-cta p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .page-banner {
        height: 350px;
    }

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

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

    .service-header-layout.reverse {
        grid-template-columns: 1fr;
    }

    .service-header-layout.reverse .service-image-box,
    .service-header-layout.reverse .service-text-box {
        order: 0;
    }

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

    .detail-card {
        padding: 30px 25px;
    }
}