/* 产品中心页面专用样式 */

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1565C0 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
}

.product-nav-section {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.product-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 15px 0;
    flex-wrap: wrap;
}

.product-nav-item {
    padding: 10px 20px;
    color: var(--text-dark);
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.product-detail-section {
    padding: 80px 0;
}

.product-detail-section.bg-light {
    background: var(--bg-light);
}

.product-detail-section.bg-light.compute-section {
    background: white;
}

.product-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
}

.product-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-type-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    transition: all 0.3s ease;
}

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

.product-type-card h3 {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.feature-list {
    list-style: none;
    margin-bottom: 25px;
}

.feature-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

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

.compute-type-featured .feature-list li {
    color: white;
}

.compute-type-featured .feature-list li::before {
    color: white;
}

.product-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.product-actions-center {
    text-align: center;
    margin-top: 40px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.product-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background: var(--bg-white);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-item p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

/* 算力服务专用样式 */
.compute-section {
    background: white;
}

.compute-section.bg-light {
    background: white;
}

.compute-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.compute-type-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

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

.compute-type-featured {
    border: 2px solid transparent;
    background-clip: padding-box;
    background: linear-gradient(135deg, var(--compute-accent) 0%, var(--primary-color) 100%);
    position: relative;
    color: white;
}

.compute-type-featured::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--compute-accent), var(--primary-color));
    border-radius: 8px;
    z-index: -1;
}

.compute-type-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--compute-accent), var(--primary-color));
    border-radius: 8px 8px 0 0;
    z-index: 1;
}

.compute-icon {
    font-size: 64px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--compute-accent), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.compute-type-featured .compute-icon {
    background: white;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: white;
    background-clip: unset;
    filter: none;
}

.compute-type-card h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.compute-type-featured h3 {
    color: white;
}

.compute-desc {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.compute-type-featured .compute-desc {
    color: rgba(255, 255, 255, 0.9);
}

.subsection-title {
    font-size: 24px;
    font-weight: bold;
    margin: 50px 0 30px;
    color: var(--text-dark);
    text-align: center;
}

/* 配置参数表格 */
.compute-config-section {
    margin: 50px 0;
}

.compare-tool {
    margin-bottom: 30px;
    text-align: center;
}

.compare-checkboxes {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.compare-checkboxes label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.config-table-wrapper {
    overflow-x: auto;
}

.config-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
}

.config-table thead {
    background: var(--primary-color);
    color: white;
}

.config-table th,
.config-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.config-table tbody tr:nth-child(even) {
    background: var(--bg-light);
}

.config-table tbody tr:hover {
    background: rgba(30, 136, 229, 0.1);
}

.config-table th {
    font-weight: bold;
    font-size: 14px;
}

.config-table td {
    font-size: 14px;
    color: var(--text-dark);
}

.config-table td:first-child {
    font-weight: 500;
    color: var(--primary-color);
}

/* 安全保障 */
.compute-security {
    margin: 50px 0;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.security-item {
    text-align: center;
    padding: 30px;
    background: var(--bg-white);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.security-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.security-item h4 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.security-item p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

/* 算力需求评估工具 */
.compute-evaluator {
    margin: 50px 0;
    background: var(--bg-white);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.evaluator-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

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

.evaluation-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 4px;
    display: none;
}

.evaluation-result.show {
    display: block;
}

.evaluation-result h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.evaluation-result ul {
    list-style: none;
    padding-left: 0;
}

.evaluation-result li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.evaluation-result li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.compute-actions {
    text-align: center;
    margin: 50px 0;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.compute-demo {
    text-align: center;
    margin: 50px 0;
    padding: 40px;
    background: var(--bg-white);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* 对比弹窗 */
.compare-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.compare-modal.show {
    display: flex;
}

.compare-modal-content {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 1000px;
    max-height: 80vh;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.compare-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.compare-table-wrapper {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

/* 演示弹窗 */
.demo-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.demo-modal.show {
    display: flex;
}

.demo-modal-content {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.demo-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.demo-content {
    padding: 30px;
}

.demo-chart {
    margin-bottom: 30px;
    text-align: center;
}

.demo-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.stat-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-value.safe {
    color: #4CAF50;
}

/* 响应式 */
@media (max-width: 768px) {
    .product-nav {
        padding: 10px 0;
    }

    .product-nav-item {
        padding: 8px 15px;
        font-size: 14px;
    }

    .product-types,
    .compute-types {
        grid-template-columns: 1fr;
    }

    .config-table {
        font-size: 12px;
    }

    .config-table th,
    .config-table td {
        padding: 10px 8px;
    }

    .compare-checkboxes {
        flex-direction: column;
        align-items: flex-start;
    }

    .evaluator-form {
        padding: 0;
    }

    .compute-evaluator {
        padding: 20px;
    }

    .demo-stats {
        grid-template-columns: 1fr;
    }
}