/* 页面标题样式 */
.page-header {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 产品导航样式 */
.product-nav {
    padding: 2rem 5%;
    margin-bottom: 2rem;
}

.nav-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-item {
    padding: 1rem 2rem;
    border: none;
    background: white;
    color: var(--text-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
}

/* 产品展示区样式 */
.product-showcase {
    padding: 2rem 5%;
}

.product-section {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.product-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.product-info h3 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.product-desc {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* 功能列表样式 */
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    display: inline-block;
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.feature-item h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 产品操作按钮样式 */
.product-actions {
    display: flex;
    gap: 1rem;
}

.demo-btn,
.consult-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

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

.consult-btn {
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.demo-btn:hover,
.consult-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 产品视觉区域样式 */
.product-visual {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

.product-visual img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-visual:hover .visual-overlay {
    opacity: 1;
}

.play-btn {
    padding: 1rem 2rem;
    background: white;
    color: var(--primary-color);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.play-btn:hover {
    transform: scale(1.1);
}

/* 技术优势样式 */
.tech-advantages {
    padding: 4rem 5%;
    background: white;
}

.tech-advantages h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 3rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    background: var(--background-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.advantage-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.advantage-item h4 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.advantage-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 服务流程样式 */
.service-process {
    padding: 4rem 5%;
}

.service-process h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 3rem;
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.process-item {
    position: relative;
    text-align: center;
    z-index: 2;
    flex: 1;
    padding: 0 1rem;
}

.process-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.2rem;
    font-weight: bold;
}

.process-item h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.process-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 联系咨询样式 */
.contact-section {
    padding: 4rem 5%;
    background: white;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-content h3 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.contact-content > p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .process-timeline {
        flex-direction: column;
        gap: 2rem;
    }

    .process-timeline::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
    }

    .nav-item {
        width: 100%;
        text-align: center;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .product-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .page-header h2 {
        font-size: 2rem;
    }

    .product-info h3 {
        font-size: 1.8rem;
    }

    .contact-form {
        padding: 0 1rem;
    }
}