/* 客户服务页面样式 */
.service-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    padding-top: 130px;
    padding-bottom: 80px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    margin-bottom: 80px;
    animation: fadeIn 0.8s ease-out;
}

.service-card {
    background: #fff;
    border-radius: 20px;
    padding: 45px 35px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0063F7 0%, #0063F7 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 99, 247, 0.2);
    border-color: rgba(0, 99, 247, 0.3);
}

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

.service-card .card-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 28px;
    background: #0063F7;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(0, 99, 247, 0.3);
    position: relative;
}

.service-card .card-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: #0063F7;
    border-radius: 23px;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.service-card:hover .card-icon {
    transform: scale(1.15) rotate(-5deg);
}

.service-card:hover .card-icon::before {
    opacity: 0.3;
}

.service-card .card-icon i {
    font-size: 42px;
    color: #fff;
}

.service-card h3 {
    font-size: 22px;
    color: #1a1a1a;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.service-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 0;
}

.service-card .card-arrow {
    position: absolute;
    bottom: 25px;
    right: 25px;
    width: 40px;
    height: 40px;
    background: #0063F7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(-15px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 99, 247, 0.3);
}

.service-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
}

.service-card .card-arrow i {
    font-size: 20px;
    color: #fff;
}

/* 联系横幅 */
.contact-banner {
    background: #0063F7;
    border-radius: 24px;
    padding: 70px 50px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 99, 247, 0.3);
}

.contact-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: float 20s infinite;
}

.contact-banner::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -5%;
    width: 350px;
    height: 350px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: float 15s infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(180deg); }
}

.contact-content {
    position: relative;
    z-index: 1;
}

.contact-content h3 {
    font-size: 38px;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.contact-content p {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: 40px;
}

.contact-actions {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-contact,
.btn-demo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-contact {
    background: #fff;
    color: #0063F7 !important;
}

.btn-contact:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    color: #0063F7 !important;
}

.btn-demo {
    background: rgba(255, 255, 255, 0.15);
    color: #fff !important;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.btn-demo:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    color: #fff !important;
}

.btn-contact i,
.btn-demo i {
    font-size: 22px;
}

/* 常见问题区域 */
.faq-section {
    margin-top: 80px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.faq-section .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.faq-section .section-title h2 {
    font-size: 32px;
    color: #1a1a1a;
    font-weight: 700;
    margin-bottom: 15px;
}

.faq-item {
    background: #fff;
    border-radius: 16px;
    padding: 30px 35px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 99, 247, 0.15);
    border-color: rgba(0, 99, 247, 0.3);
}

.faq-item h4 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-item h4::before {
    content: '';
    width: 4px;
    height: 20px;
    background: #0063F7;
    border-radius: 2px;
    flex-shrink: 0;
}

.faq-item p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin: 0;
    padding-left: 14px;
}

/* 更新日志样式 */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item .card {
    margin-left: 30px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 16px;
    height: 16px;
    background: #0063F7;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px #e9ecef;
    z-index: 2;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 24px;
    bottom: 0;
    width: 2px;
    background: #e9ecef;
    z-index: 1;
}

.timeline-item:last-child::after {
    display: none;
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.version-number {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-right: 12px;
}

.version-tag {
    display: inline-block;
    padding: 5px 14px;
    background: #0063F7;
    color: #fff;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.version-tag.update {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.version-tag.fix {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.version-date {
    color: #999;
    font-size: 15px;
}

.version-content {
    font-size: 15px;
    line-height: 1.8;
    color: #444;
}

.change-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.change-list li {
    padding: 12px 0;
    padding-left: 28px;
    position: relative;
    color: #444;
    font-size: 15px;
    line-height: 1.6;
}

.change-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #0063F7;
}

.change-list li.new::before {
    background: #0063F7;
}

.change-list li.update::before {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.change-list li.fix::before {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

/* 响应式设计 */
@media (max-width: 1280px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .contact-banner {
        padding: 40px 20px;
    }
    
    .contact-content h3 {
        font-size: 24px;
    }
    
    .contact-actions {
        flex-direction: column;
    }
    
    .btn-contact,
    .btn-demo {
        width: 100%;
        justify-content: center;
    }
}