/* 
 * 产品中心样式 (Products CSS)
 */

body {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

/* 布局容器 */
.products-layout {
    display: flex;
    max-width: 1440px;
    margin: 0 auto;
    padding-top: 64px; /* 适配新的 navbar 高度 */
    min-height: 100vh;
}

/* 左侧侧边栏 */
.products-sidebar {
    width: 280px;
    background-color: var(--color-bg-primary);
    height: calc(100vh - 64px);
    position: sticky;
    top: 64px;
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

.sidebar-header {
    padding: 0 24px 20px;
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 10px;
}

.product-nav {
    flex: 1;
    list-style: none;
    padding: 0 12px;
}

.nav-item-vertical {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    margin-bottom: 4px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-item-vertical:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.nav-item-vertical.active {
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
    font-weight: 600;
}

.nav-icon {
    margin-right: 12px;
    display: flex;
    align-items: center;
}

.sidebar-consult {
    padding: 24px;
    background-color: var(--color-bg-secondary);
    margin: 20px 12px 0;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border);
}

.sidebar-consult h3 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.sidebar-consult p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

/* 右侧内容区域 */
.products-content {
    flex: 1;
    padding: 40px 60px;
    background-color: var(--color-bg-primary); 
    overflow-y: auto;
}

.product-section {
    display: none;
    animation: fadeIn 0.4s ease;
}

.product-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 产品 Hero */
.product-hero {
    margin-bottom: 60px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 40px;
}

.product-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--color-text-primary);
}

.badge {
    font-size: 0.8rem;
    padding: 4px 10px;
    background-color: var(--color-accent);
    color: #FFF;
    border-radius: 20px;
    font-weight: 600;
    vertical-align: middle;
}

.badge-green {
    background-color: #10B981;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    font-weight: 600;
}

.desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 800px;
    margin-bottom: 30px;
}

.action-bar {
    display: flex;
    gap: 16px;
}

/* 特性网格 (Core) */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background-color: var(--color-bg-primary);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,0,0,0.08);
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* 特性列表 (Lite) */
.feature-list-large {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 60px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 1.5rem;
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-accent-border);
}

.feature-text h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--color-text-primary);
}

.feature-text p {
    color: var(--color-text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* 场景标签 */
.scenario-box {
    background-color: var(--color-bg-secondary);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.scenario-box h3 {
    margin-bottom: 16px;
    font-size: 1rem;
    color: var(--color-text-primary);
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* 悬浮咨询按钮 */
.float-consult-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background-color: var(--color-accent);
    color: #FFFFFF;
    border: none;
    padding: 12px 24px;
    border-radius: 30px;
    box-shadow: 0 4px 20px rgba(0, 86, 210, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 100;
}

.float-consult-btn:hover {
    transform: translateY(-2px);
    background-color: var(--color-accent-hover);
    box-shadow: 0 8px 25px rgba(0, 86, 210, 0.5);
}

/* 响应式 */
@media (max-width: 1024px) {
    .products-layout {
        flex-direction: column;
    }
    .products-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        top: 0;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 0;
    }
    .sidebar-consult {
        display: none; /* 移动端隐藏侧边栏咨询框 */
    }
    .products-content {
        padding: 30px 20px;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
}