/* 产品页面全新样式 */

/* 导航栏 */
.navbar-white {
    background: #FFFFFF;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.navbar-white .logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-white .logo img {
    height: 70px;
}

.navbar-white .logo-text {
    font-size: 20px;
    font-weight: bold;
    color: #0066FF;
}

.navbar-white .nav-menu a {
    color: #333333;
    font-weight: 500;
}

.navbar-white .nav-menu a.active {
    color: #0066FF;
}

.navbar-white .btn-nav {
    background: #0066FF;
    color: #FFFFFF;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
}

/* Hero Banner */
.page-hero {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #FFFFFF;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0066FF 0%, #0052CC 100%);
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.page-hero h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 产品导航 */
.product-nav-section {
    padding: 30px 0;
    background: #F5F7FA;
    position: sticky;
    top: var(--nav-height, 80px);
    z-index: 100;
}

.product-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.product-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 25px;
    background: #FFFFFF;
    border-radius: 30px;
    text-decoration: none;
    color: #333333;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
}

.product-nav-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.2);
}

.product-nav-item.active {
    background: #0066FF;
    color: #FFFFFF;
}

.product-nav-item .nav-icon {
    font-size: 1.5rem;
}

.product-nav-item .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF5252 100%);
    color: #FFFFFF;
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 15px;
    font-weight: 600;
}

/* 产品详情 */
.product-details {
    padding: 80px 0;
}

.product-detail {
    padding: 60px 0;
}

.product-detail.alt {
    background: #F5F7FA;
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-image-box {
    background: #FFFFFF;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.product-image-box img {
    max-width: 100%;
    height: auto;
}

.product-info-box {
    padding: 20px;
}

.product-header {
    margin-bottom: 30px;
}

.product-category {
    display: inline-block;
    background: #F0F7FF;
    color: #0066FF;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.product-header h2 {
    font-size: 2.5rem;
    color: #2D2D2D;
    margin-bottom: 10px;
}

.product-tagline {
    font-size: 1.1rem;
    color: #666666;
}

/* 参数高亮 */
.product-specs-highlight {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, #F0F7FF 0%, #E6F0FF 100%);
    border-radius: 15px;
}

.spec-highlight-item {
    text-align: center;
}

.spec-highlight-item .spec-value {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #0066FF;
}

.spec-highlight-item .spec-unit {
    display: block;
    font-size: 0.9rem;
    color: #666666;
    margin-bottom: 5px;
}

.spec-highlight-item .spec-label {
    display: block;
    font-size: 0.85rem;
    color: #999999;
    font-weight: 500;
}

/* 特性列表 */
.product-features {
    margin-bottom: 40px;
}

.product-features h3 {
    font-size: 1.5rem;
    color: #2D2D2D;
    margin-bottom: 20px;
}

.features-list {
    list-style: none;
    padding: 0;
}

.features-list li {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: #F5F7FA;
    border-radius: 12px;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.features-list li:hover {
    transform: translateX(5px);
}

.features-list li .feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.features-list li strong {
    display: block;
    font-size: 1.1rem;
    color: #2D2D2D;
    margin-bottom: 5px;
}

.features-list li span {
    display: block;
    color: #666666;
    font-size: 0.95rem;
}

/* 操作按钮 */
.product-actions {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: #0066FF;
    color: #FFFFFF;
}

.btn-primary:hover {
    background: #0052CC;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.btn-outline {
    background: #FFFFFF;
    color: #0066FF;
    border: 2px solid #0066FF;
}

.btn-outline:hover {
    background: #0066FF;
    color: #FFFFFF;
}

/* 对比表 */
.comparison-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.section-title {
    font-size: 2.5rem;
    color: #2D2D2D;
    text-align: center;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666666;
    text-align: center;
    margin-bottom: 50px;
}

.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: 15px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: #FFFFFF;
}

.comparison-table thead {
    /* background: linear-gradient(135deg, #0066FF 0%, #0052CC 100%); */
    color: #FFFFFF;
}

.comparison-table th {
    padding: 20px 15px;
    font-weight: 600;
    text-align: center;
}

.comparison-table th .product-name {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.comparison-table th .product-model {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
}

.comparison-table .param-column {
    text-align: center;
    background: #F5F7FA;
    font-weight: 600;
    color: #2D2D2D;
}

.comparison-table td {
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid #E0E0E0;
    color: #666666;
}

.comparison-table td.highlight {
    color: #0066FF;
    font-weight: bold;
}

.comparison-table tbody tr:hover {
    background: #F5F7FA;
}

/* CTA */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0066FF 0%, #0052CC 100%);
    text-align: center;
    color: #FFFFFF;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-large {
    padding: 18px 50px;
    font-size: 1.1rem;
}

/* 页脚 */
.footer {
    background: #2D2D2D;
    color: #FFFFFF;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: #FFFFFF;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-section p {
    color: #CCCCCC;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #CCCCCC;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #0066FF;
}

.footer-section .contact-list li {
    color: #CCCCCC;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999999;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-specs-highlight {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2.5rem;
    }

    .product-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .product-nav-item {
        justify-content: center;
    }

    .product-specs-highlight {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}