/* ===================================
   业务服务页面样式 - services.css
   北京颂宸行科技有限公司官网
   =================================== */

/* 页面Banner - 复用about.css的样式 */
.page-banner {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e22ce 100%);
    margin-top: 80px;
    overflow: hidden;
}

.page-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.page-banner-content h1 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 16px;
}

.page-banner-content p {
    font-size: 20px;
    margin-bottom: 24px;
}

.breadcrumb {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--secondary-color);
}

.breadcrumb span {
    margin: 0 8px;
}

/* 核心业务详情 */
.core-business-section {
    padding: 96px 0;
}

.business-detail-grid {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.business-detail-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.business-detail-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.15);
}

.business-detail-header {
    padding: 48px 48px 32px;
    background: linear-gradient(135deg, rgba(43, 90, 160, 0.05), rgba(212, 175, 55, 0.05));
    text-align: center;
}

.business-detail-icon {
    font-size: 72px;
    margin-bottom: 24px;
}

.business-detail-header h3 {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.business-tagline {
    font-size: 18px;
    color: var(--text-medium);
    font-weight: 500;
}

.business-detail-body {
    padding: 40px 48px;
}

.business-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-dark);
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.business-desc {
    font-size: 16px;
    line-height: 2;
    color: var(--text-medium);
    text-align: justify;
}

.business-image {
    padding: 0 48px 48px;
}

.business-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* 营销服务 */
.marketing-services-section {
    padding: 96px 0;
}

.marketing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.marketing-card {
    background: white;
    padding: 40px 32px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.marketing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.marketing-card:hover::before {
    transform: scaleX(1);
}

.marketing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.marketing-number {
    font-size: 48px;
    font-weight: bold;
    color: rgba(43, 90, 160, 0.1);
    margin-bottom: 16px;
}

.marketing-card h4 {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 16px;
}

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

/* CTA区域 */
.cta-section {
    padding: 96px 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color), #7e22ce);
    padding: 80px 64px;
    border-radius: 20px;
    text-align: center;
    color: white;
    box-shadow: 0 16px 50px rgba(43, 90, 160, 0.3);
}

.cta-box h2 {
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 16px;
}

.cta-box p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 16px 48px;
    font-size: 18px;
}

.cta-buttons .btn-primary {
    background: white;
    color: var(--primary-color);
}

.cta-buttons .btn-primary:hover {
    background: var(--secondary-color);
    color: white;
}

.cta-buttons .btn-outline {
    border-color: white;
    color: white;
}

.cta-buttons .btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .marketing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .page-banner {
        height: 300px;
    }

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

    .business-detail-header,
    .business-detail-body,
    .business-image {
        padding: 32px;
    }

    .business-detail-header h3 {
        font-size: 28px;
    }

    .business-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-banner {
        height: 250px;
        margin-top: 64px;
    }

    .page-banner-content h1 {
        font-size: 28px;
    }

    .page-banner-content p {
        font-size: 16px;
    }

    .business-detail-header,
    .business-detail-body,
    .business-image {
        padding: 24px;
    }

    .business-detail-icon {
        font-size: 56px;
    }

    .business-detail-header h3 {
        font-size: 24px;
    }

    .business-tagline {
        font-size: 16px;
    }

    .marketing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cta-box {
        padding: 48px 32px;
    }

    .cta-box h2 {
        font-size: 28px;
    }

    .cta-box p {
        font-size: 16px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}