/* 页面横幅 */
.page-banner {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    margin-top: 70px;
}

.page-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

/* 产品中心 */
.products-center {
    padding: 5rem 0;
}

.section-desc {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.brand-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.brand-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.brand-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.brand-logo img {
    max-width: 200px;
    max-height: 100px;
    object-fit: contain;
}

.brand-logo-placeholder {
    width: 200px;
    height: 100px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.brand-info h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.brand-desc {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.brand-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.btn-primary {
    display: inline-block;
    padding: 0.5rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-text {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.btn-text:hover {
    color: var(--primary-dark);
}

/* 品牌介绍 */
.brand-intro {
    padding: 5rem 0;
    background: var(--bg-light);
}

.brand-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* 没有品牌图片时自动切换单列（如manztek.html已删除占位图） */
.brand-content:not(:has(.brand-image)) {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
}

.brand-text .section-title {
    text-align: left;
}

.lead {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.brand-text p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.brand-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.brand-stats .stat-item {
    text-align: center;
}

.brand-stats .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.brand-stats .stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.brand-honors {
    margin-top: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.brand-honors h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.brand-honors ul {
    list-style: none;
}

.brand-honors li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.brand-honors li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.brand-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

/* 技术优势 */
.tech-advantages {
    padding: 5rem 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.advantage-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.advantage-card h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.advantage-card ul {
    list-style: none;
}

.advantage-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

.advantage-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* AI技术优势 - Bento布局：左大右2x2 */
.ai-advantages {
    padding: 3rem 0;
    background: var(--bg-light);
}

.ai-features-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1rem;
    margin-top: 1.5rem;
}

.ai-feature-card {
    background: white;
    padding: 1.2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

/* AEC（卡片3） - 左侧大卡片，横跨2行 */
.ai-feature-card:nth-child(3) {
    grid-column: 1;
    grid-row: 1 / 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-left: 4px solid var(--primary-color);
}

/* 右侧2x2排列 */
.ai-feature-card:nth-child(1) {
    grid-column: 2;
    grid-row: 1;
}

.ai-feature-card:nth-child(2) {
    grid-column: 3;
    grid-row: 1;
}

.ai-feature-card:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
}

.ai-feature-card:nth-child(5) {
    grid-column: 3;
    grid-row: 2;
}

.ai-feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.ai-feature-card h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.ai-problem {
    background: #fef3c7;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.8rem;
    font-size: 0.875rem;
    line-height: 1.5;
}

.ai-solution {
    background: #d1fae5;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* 产品分类 */
.product-categories {
    padding: 5rem 0;
}

.category-section {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--primary-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.product-card .product-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

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

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

.product-card .product-info {
    padding: 1.5rem;
}

.product-card h4 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.product-spec {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.product-card ul {
    list-style: none;
    margin-bottom: 1rem;
}

.product-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.5;
}

.product-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.875rem;
}

.suitable {
    font-size: 0.875rem;
    color: var(--primary-dark);
    font-weight: 600;
    padding: 0.5rem;
    background: #dbeafe;
    border-radius: var(--radius-sm);
    text-align: center;
}

/* 话筒特性 */
.mic-features, .charger-features {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
    margin-top: 1rem;
}

.mic-features h5, .charger-features h5 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.mic-features ul, .charger-features ul {
    list-style: none;
}

.mic-features li, .charger-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
}

.mic-features li::before, .charger-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 解决方案 */
.solutions-section {
    padding: 5rem 0;
    background: var(--bg-light);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.solution-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.solution-card h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.solution-card p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.solution-product {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.solution-extra {
    margin-top: 4rem;
    padding: 3rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.solution-extra h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-feature {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.solution-feature h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* 售后服务 */
.after-sales {
    padding: 5rem 0;
}

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

.service-promise h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-promise > p {
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

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

.promise-item {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.promise-item h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* 核心平台 */
.core-platform {
    padding: 5rem 0;
}

.platform-showcase {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.platform-info h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.platform-slogan {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

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

.platform-features h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.platform-features ul {
    list-style: none;
}

.platform-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

.platform-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.platform-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

/* 运维数据化系统 */
.ops-section {
    padding: 5rem 0;
    background: var(--bg-light);
}

.ops-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

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

.ops-info > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.ops-features h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.ops-features ul {
    list-style: none;
}

.ops-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

.ops-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.ops-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

/* 产品分类 */
.products-section {
    padding: 5rem 0;
}

.product-category {
    margin-bottom: 4rem;
}

/* 案例展示 */
.cases-section {
    padding: 5rem 0;
    background: var(--bg-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.case-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.case-info {
    padding: 1.5rem;
}

.case-info h4 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.case-scale {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.case-desc {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.case-result {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
}

/* 八大核心功能（用于solutions.html和wise.html） */
.features-8-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-8-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-8-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.feature-8-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.feature-8-icon .icon-svg-8 {
    width: 30px;
    height: 30px;
    color: #fff;
}

.feature-8-card h3 {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-8-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

.feature-8-tags {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-8-tag {
    background: #f0f0f0;
    color: #555;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

/* 案例详情卡片（用于cases.html） */
.cases-showcase {
    margin-top: 3rem;
}
.case-detail-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}
.case-detail-card:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.case-detail-card h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.case-detail-card .case-university {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
.case-detail-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}
.case-tags {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.case-tag {
    background: #f0f0f0;
    color: #555;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .brands-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-content {
        grid-template-columns: 1fr;
    }
    
    .brand-text .section-title {
        text-align: center;
    }
    
    .brand-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .platform-showcase {
        grid-template-columns: 1fr;
    }
    
    .ops-content {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-features-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-feature-card:nth-child(3) {
        grid-column: auto;
        grid-row: auto;
    }
    
    .ai-feature-card:nth-child(1),
    .ai-feature-card:nth-child(2),
    .ai-feature-card:nth-child(4),
    .ai-feature-card:nth-child(5) {
        grid-column: auto;
        grid-row: auto;
    }
    
    .features-8-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .promise-list {
        grid-template-columns: 1fr;
    }
    
    .page-banner h1 {
        font-size: 2rem;
    }
    
    /* 详情页响应式 */
    .product-detail-header {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .features-detail-grid {
        grid-template-columns: 1fr;
    }
    .application-list {
        grid-template-columns: 1fr;
    }
}

/* ========== 产品详情页 ========== */

.product-detail {
    padding: 3rem 0;
}

.product-detail-header {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

.product-detail-image {
    position: sticky;
    top: 2rem;
}

.product-detail-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    background: var(--bg-white);
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.product-detail-info h1 {
    font-size: 2.2rem;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.product-subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.product-detail-info .product-desc {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 2rem;
}

.product-specs {
    background: var(--bg-light);
    padding: 1.5rem 2rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
}

.product-specs h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.spec-list {
    list-style: none;
}

.spec-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

.spec-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 功能特点区域 */
.product-features-section {
    padding: 4rem 0;
    background: var(--bg-light);
}

.product-features-section h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.features-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-detail-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-detail-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.feature-detail-card h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.feature-detail-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

/* 适用场景区域 */
.product-application {
    padding: 4rem 0;
}

.product-application h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.application-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.application-item {
    padding: 1.8rem;
    border-radius: var(--radius-md);
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.application-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

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

.application-item p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* CTA区域 */
.product-cta {
    text-align: center;
    padding: 3rem;
    margin-top: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-md);
    color: white;
}

.product-cta h3 {
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
}

.product-cta p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.btn-white {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* 返回链接 */
.product-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1.2rem;
    padding: 0.5rem 1.2rem;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.product-back:hover {
    color: white;
    background: rgba(255,255,255,0.3);
    transform: translateX(-3px);
}