/**
 * 通用页面样式
 * 产品介绍、解决方案、关于我们等页面共用
 */

/* === 页面 Hero === */
.page-hero {
    padding: 140px 60px 60px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* === 产品网格 === */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-color, var(--color-primary));
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color, var(--color-primary));
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.product-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.product-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text-primary);
}

.product-type {
    font-size: 14px;
    color: var(--accent-color, var(--color-primary));
    margin-bottom: 16px;
}

.product-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.product-features li {
    font-size: 13px;
    color: var(--color-text-muted);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color, var(--color-primary));
}

/* === 合作伙伴展示 === */
.partners-showcase {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-item {
    text-align: center;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.partner-item:hover {
    border-color: var(--color-primary);
}

.partner-logo-large {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.partner-item p {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* === 解决方案卡片 === */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.solution-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    transition: all var(--transition-normal);
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.solution-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.solution-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.solution-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.solution-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.solution-features li {
    font-size: 14px;
    color: var(--color-text-secondary);
    padding-left: 24px;
    position: relative;
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
}

/* === 时间线 === */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-dark));
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -33px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--color-bg-primary), 0 0 20px rgba(245, 158, 11, 0.3);
}

.timeline-year {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* === 团队/价值观 === */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.value-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.value-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.value-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* === 条款政策 === */
.terms-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 60px 100px;
}

.terms-section {
    margin-bottom: 40px;
}

.terms-section h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.terms-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 12px;
}

.terms-section p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.terms-section ul {
    margin: 16px 0;
    padding-left: 24px;
}

.terms-section li {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}

.terms-update {
    font-size: 12px;
    color: var(--color-text-muted);
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--color-border-light);
}

/* === 响应式 === */
@media (max-width: 1024px) {
    .products-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .page-hero {
        padding-left: 24px;
        padding-right: 24px;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 36px;
    }
    
    .product-card,
    .solution-card {
        padding: 24px;
    }
    
    .solution-features {
        grid-template-columns: 1fr;
    }
    
    .terms-content {
        padding-left: 24px;
        padding-right: 24px;
    }
}