/* ===========================
   Technical Services Page
   =========================== */

/* Service Overview */
.service-overview {
    padding: 100px 0;
    background: var(--bg);
}

.service-overview-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.service-overview-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 12px;
    background: var(--bg-light);
    transition: all var(--transition);
    cursor: pointer;
}

.service-overview-card:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(4, 50, 109, 0.2);
}

.service-overview-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(4, 50, 109, 0.08);
    color: var(--primary);
    transition: all var(--transition);
}

.service-overview-card:hover .service-overview-icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

.service-overview-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
    transition: color var(--transition);
}

.service-overview-card:hover .service-overview-title {
    color: var(--white);
}

.service-overview-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-muted);
    transition: color var(--transition);
}

.service-overview-card:hover .service-overview-desc {
    color: rgba(255, 255, 255, 0.75);
}

@media (max-width: 1200px) {
    .service-overview-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .service-overview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .service-overview-card {
        padding: 28px 16px;
    }
}

@media (max-width: 480px) {
    .service-overview-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }
}

/* Service Detail Sections */
.service-detail {
    padding: 100px 0;
    background: var(--bg);
}

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

.service-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 64px;
}

.service-detail-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.05em;
    padding: 6px 16px;
    background: rgba(4, 50, 109, 0.06);
    border-radius: 20px;
    margin-bottom: 20px;
}

.service-detail-title {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 300;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.service-detail-desc {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.service-detail-img {
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #e8ecf2 0%, #d8dce5 100%);
}

.service-detail-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 500ms ease;
}

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

@media (max-width: 1024px) {
    .service-detail-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .service-detail-right {
        order: -1;
    }
}

/* Service Features Grid */
.service-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-feature-card {
    padding: 32px 24px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.service-detail-alt .service-feature-card {
    background: var(--bg);
}

.service-feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 32px rgba(4, 50, 109, 0.1);
    transform: translateY(-4px);
}

.service-feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(4, 50, 109, 0.06);
    color: var(--primary);
    margin-bottom: 20px;
}

.service-feature-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
}

.service-feature-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-muted);
}

@media (max-width: 1024px) {
    .service-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .service-features {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* Service Info Grid (for 维保服务) */
.service-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-info-card {
    padding: 32px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.service-info-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 32px rgba(4, 50, 109, 0.1);
}

.service-info-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.service-info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-info-list li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
}

.service-info-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.6;
}

@media (max-width: 1024px) {
    .service-info-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* Service Steps (for 定制服务) */
.service-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-step {
    padding: 40px 32px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--border);
    position: relative;
    transition: all var(--transition);
}

.service-step:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 32px rgba(4, 50, 109, 0.1);
    transform: translateY(-4px);
}

.service-step-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.1;
    line-height: 1;
    margin-bottom: 16px;
}

.service-step-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

.service-step-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.service-step-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-step-list li {
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
}

.service-step-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.6;
}

@media (max-width: 1024px) {
    .service-steps {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* CTA Section */
.service-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #0a4a94 0%, #04326d 40%, #1a5ea8 100%);
    position: relative;
    overflow: hidden;
}

.service-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
}

.service-cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    max-width: 700px;
    margin: 0 auto;
}

.service-cta-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.service-cta-desc {
    font-size: 17px;
    opacity: 0.85;
    margin-bottom: 36px;
    line-height: 1.6;
}

.service-cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-cta-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

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

@media (max-width: 480px) {
    .service-cta-actions {
        flex-direction: column;
    }
    .service-cta-actions .btn {
        width: 100%;
    }
}