/* 二级页面专属样式 */

/* 导航栏扩展 */
.navbar-expanded {
    box-shadow: 0 5px 30px rgba(0, 174, 255, 0.15);
}

.navbar-expanded .container {
    max-width: 1600px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-search {
    width: 40px;
    height: 40px;
    background: rgba(0, 174, 255, 0.1);
    border: 1px solid rgba(0, 174, 255, 0.3);
    color: #00aeff;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 50%;
}

.btn-search:hover {
    background: rgba(0, 174, 255, 0.2);
    transform: scale(1.1);
}

.btn-quote {
    padding: 10px 25px;
    background: linear-gradient(135deg, #00aeff, #0066ff);
    color: #fff;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(0, 174, 255, 0.3);
}

.btn-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 174, 255, 0.5);
}

/* 下拉菜单 */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 20px;
    background: rgba(10, 14, 26, 0.98);
    border: 1px solid rgba(0, 174, 255, 0.3);
    border-radius: 8px;
    padding: 30px;
    min-width: 600px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    box-shadow: 0 10px 40px rgba(0, 174, 255, 0.2);
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    margin-top: 10px;
}

.dropdown-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.dropdown-section h4 {
    color: #00aeff;
    font-size: 14px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 174, 255, 0.2);
}

.dropdown-section a {
    display: block;
    color: #8892b0;
    text-decoration: none;
    padding: 8px 0;
    font-size: 14px;
    transition: all 0.3s;
}

.dropdown-section a:hover {
    color: #00aeff;
    padding-left: 10px;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 120px 0 30px;
    background: rgba(0, 0, 0, 0.2);
}

.breadcrumb-items {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14px;
}

.breadcrumb-items a {
    color: #8892b0;
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-items a:hover {
    color: #00aeff;
}

.breadcrumb-items .separator {
    color: rgba(0, 174, 255, 0.5);
}

.breadcrumb-items .current {
    color: #00aeff;
}

/* 产品详情主区域 */
.product-detail-hero {
    padding: 60px 0 120px;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

/* 产品图片展示 */
.product-gallery {
    position: sticky;
    top: 120px;
}

.main-image {
    position: relative;
    width: 100%;
    height: 600px;
    background: rgba(0, 174, 255, 0.05);
    border: 2px solid rgba(0, 174, 255, 0.3);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

.main-image:hover img {
    transform: scale(1.05);
}

.image-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 20px;
    background: linear-gradient(135deg, #ff6b6b, #ff4757);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.6);
}

.zoom-icon {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(0, 174, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s;
}

.zoom-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 174, 255, 0.8);
}

.thumbnail-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.thumbnail {
    height: 120px;
    border: 2px solid rgba(0, 174, 255, 0.2);
    border-radius: 5px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: #00aeff;
    box-shadow: 0 0 15px rgba(0, 174, 255, 0.5);
}

/* 产品信息详情 */
.product-info-detail {
    padding: 20px 0;
}

.product-title {
    font-size: 42px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(0, 174, 255, 0.3);
}

.product-subtitle {
    font-size: 14px;
    color: #00aeff;
    letter-spacing: 3px;
    margin-bottom: 25px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(0, 174, 255, 0.2);
}

.stars {
    color: #ffd700;
    font-size: 18px;
}

.rating-text,
.sales-count {
    color: #8892b0;
    font-size: 14px;
}

.divider {
    color: rgba(0, 174, 255, 0.3);
}

.product-desc {
    font-size: 16px;
    line-height: 1.8;
    color: #8892b0;
    margin-bottom: 30px;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background: rgba(0, 174, 255, 0.05);
    border: 1px solid rgba(0, 174, 255, 0.2);
    border-radius: 5px;
    transition: all 0.3s;
}

.feature-tag:hover {
    background: rgba(0, 174, 255, 0.1);
    border-color: #00aeff;
}

.feature-tag .icon {
    font-size: 24px;
}

.feature-tag span:last-child {
    color: #fff;
    font-size: 14px;
}

.spec-quick {
    background: rgba(0, 174, 255, 0.05);
    border: 1px solid rgba(0, 174, 255, 0.2);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 174, 255, 0.1);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item .label {
    color: #8892b0;
    font-size: 14px;
}

.spec-item .value {
    color: #00aeff;
    font-size: 14px;
    font-weight: 600;
}

.action-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.btn-large {
    padding: 18px 40px;
    font-size: 16px;
}

.btn-icon {
    width: 55px;
    height: 55px;
    background: rgba(0, 174, 255, 0.1);
    border: 1px solid rgba(0, 174, 255, 0.3);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 5px;
}

.btn-icon:hover {
    background: rgba(0, 174, 255, 0.2);
    transform: translateY(-2px);
}

.contact-info-box {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 25px;
    background: rgba(0, 174, 255, 0.05);
    border: 1px solid rgba(0, 174, 255, 0.2);
    border-radius: 8px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item .icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00aeff, #0066ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-item .label {
    font-size: 12px;
    color: #8892b0;
}

.contact-item .value {
    font-size: 16px;
    color: #00aeff;
    font-weight: 600;
}

/* 标签页 */
.product-tabs {
    padding: 80px 0;
    background: rgba(0, 0, 0, 0.2);
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 15px 35px;
    background: rgba(0, 174, 255, 0.05);
    border: 1px solid rgba(0, 174, 255, 0.2);
    color: #8892b0;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 5px;
}

.tab-btn:hover {
    background: rgba(0, 174, 255, 0.1);
    color: #00aeff;
}

.tab-btn.active {
    background: linear-gradient(135deg, #00aeff, #0066ff);
    border-color: #00aeff;
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 174, 255, 0.5);
}

.tabs-content {
    min-height: 500px;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.5s;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-panel h3 {
    font-size: 32px;
    color: #00aeff;
    margin-bottom: 40px;
    text-align: center;
}

/* 技术参数表格 */
.specs-table {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(0, 174, 255, 0.03);
    border: 1px solid rgba(0, 174, 255, 0.2);
    border-radius: 8px;
    overflow: hidden;
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    border-bottom: 1px solid rgba(0, 174, 255, 0.1);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label,
.spec-value {
    padding: 20px 30px;
}

.spec-label {
    background: rgba(0, 174, 255, 0.05);
    color: #8892b0;
    font-weight: 600;
}

.spec-value {
    color: #fff;
}

/* 产品特点网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 40px 30px;
    background: rgba(0, 174, 255, 0.03);
    border: 1px solid rgba(0, 174, 255, 0.2);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(0, 174, 255, 0.08);
    border-color: #00aeff;
    transform: translateY(-5px);
}

.feature-card .feature-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.feature-card h4 {
    font-size: 20px;
    color: #00aeff;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 14px;
    color: #8892b0;
    line-height: 1.8;
}

/* 应用领域列表 */
.applications-list {
    max-width: 900px;
    margin: 0 auto;
}

.application-item {
    display: flex;
    gap: 30px;
    padding: 30px;
    margin-bottom: 20px;
    background: rgba(0, 174, 255, 0.03);
    border: 1px solid rgba(0, 174, 255, 0.2);
    border-radius: 8px;
    transition: all 0.3s;
}

.application-item:hover {
    background: rgba(0, 174, 255, 0.08);
    border-color: #00aeff;
    transform: translateX(10px);
}

.app-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00aeff, #0066ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
    color: #fff;
    flex-shrink: 0;
}

.app-content h4 {
    font-size: 20px;
    color: #00aeff;
    margin-bottom: 10px;
}

.app-content p {
    font-size: 14px;
    color: #8892b0;
    line-height: 1.8;
}

/* 客户案例 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.case-card {
    background: rgba(0, 174, 255, 0.03);
    border: 1px solid rgba(0, 174, 255, 0.2);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
}

.case-card:hover {
    border-color: #00aeff;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 174, 255, 0.3);
}

.case-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.case-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(10, 14, 26, 0.8));
}

.case-info {
    padding: 30px;
}

.case-info h4 {
    font-size: 20px;
    color: #00aeff;
    margin-bottom: 10px;
}

.case-location {
    font-size: 14px;
    color: #8892b0;
    margin-bottom: 15px;
}

.case-desc {
    font-size: 14px;
    color: #8892b0;
    line-height: 1.8;
}

/* 售后服务 */
.service-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-item {
    padding: 40px 30px;
    background: rgba(0, 174, 255, 0.03);
    border: 1px solid rgba(0, 174, 255, 0.2);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
}

.service-item:hover {
    background: rgba(0, 174, 255, 0.08);
    border-color: #00aeff;
    transform: translateY(-5px);
}

.service-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.service-item h4 {
    font-size: 18px;
    color: #00aeff;
    margin-bottom: 15px;
}

.service-item p {
    font-size: 14px;
    color: #8892b0;
    line-height: 1.8;
}

/* 相关产品推荐 */
.related-products {
    padding: 100px 0;
}

.related-products .products-grid {
    grid-template-columns: repeat(3, 1fr);
}

.related-products .btn-view {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid rgba(0, 174, 255, 0.3);
    color: #00aeff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 15px;
}

.related-products .btn-view:hover {
    background: rgba(0, 174, 255, 0.1);
    border-color: #00aeff;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .product-gallery {
        position: relative;
        top: 0;
    }
    
    .dropdown-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-actions {
        display: none;
    }
    
    .dropdown-menu {
        min-width: 300px;
    }
    
    .dropdown-content {
        grid-template-columns: 1fr;
    }
    
    .product-features {
        grid-template-columns: 1fr;
    }
    
    .contact-info-box {
        grid-template-columns: 1fr;
    }
    
    .tabs-nav {
        flex-direction: column;
    }
    
    .features-grid,
    .service-content,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .related-products .products-grid {
        grid-template-columns: 1fr;
    }
}


/* 产品中心页面样式 */
.page-header-section {
    padding: 100px 0 60px;
    text-align: center;
}

.page-title {
    font-size: 56px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 15px;
    text-shadow: 0 0 30px rgba(0, 174, 255, 0.5);
}

.page-subtitle {
    font-size: 16px;
    color: #00aeff;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.page-desc {
    font-size: 18px;
    color: #8892b0;
    max-width: 600px;
    margin: 0 auto;
}

.products-section {
    padding: 60px 0 120px;
}

.product-category {
    margin-bottom: 100px;
}

.product-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 36px;
    color: #00aeff;
    margin-bottom: 50px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(0, 174, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 15px;
}

.title-icon {
    font-size: 42px;
    filter: drop-shadow(0 0 10px rgba(0, 174, 255, 0.6));
}

.products-section .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}