/* ========================================
   产品中心页面样式
======================================== */

/* 页面头部 */
.page-header {
    padding: 150px 0 60px;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* 产品导航 */
.nav-hint {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav-hint i {
    color: var(--primary-color);
    margin-right: 5px;
    display: inline-block;
    animation: fingerBounce 1s ease-in-out infinite;
}

@keyframes fingerBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.nav-tabs-dcs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-tab i {
    font-size: 1.5rem;
}

.nav-tab:hover,
.nav-tab.active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* 产品区块 */
.product-section {
    padding: 5rem 0;
    scroll-margin-top: 80px; /* 预留导航栏高度 */
}

.product-section.bg-alt {
    background: rgba(0, 0, 0, 0.2);
}

.product-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-badge.stock {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.product-badge.futures {
    background: rgba(255, 215, 0, 0.1);
    color: var(--accent-color);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.product-badge.crypto {
    background: rgba(0, 255, 136, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.product-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-title.futures-title {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    background-clip: text;
}

.product-title.crypto-title {
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.product-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.product-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* 功能网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.feature-item.futures:hover {
    border-color: var(--accent-color);
}

.feature-item.crypto:hover {
    border-color: var(--success-color);
}

.feature-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.feature-item.futures i {
    color: var(--accent-color);
}

.feature-item.crypto i {
    color: var(--success-color);
}

.feature-item h4 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.product-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-success-dcs {
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-success-dcs:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 136, 0.5);
    color: var(--bg-dark);
}

/* 产品展示 */
.product-showcase {
    padding: 2rem;
}

.showcase-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.showcase-card.futures {
    border-color: rgba(255, 215, 0, 0.3);
}

.showcase-card.crypto {
    border-color: rgba(0, 255, 136, 0.3);
}

.showcase-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.stock-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.stock-code {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.card-price {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-price .price {
    font-size: 2rem;
    font-weight: 700;
}

.card-price .change {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-price .change.up {
    color: #ff4d4f;
}

.card-price .change.down {
    color: var(--success-color);
}

.mini-chart {
    height: 100px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.mini-chart.futures-chart {
    background: linear-gradient(180deg, rgba(255, 215, 0, 0.1) 0%, transparent 100%);
}

.mini-chart.futures-chart::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-color);
    animation: chartWave 4s ease-in-out infinite;
}

.mini-chart.crypto-chart {
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.1) 0%, transparent 100%);
}

.mini-chart.crypto-chart::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--success-color);
    animation: chartWave 4s ease-in-out infinite;
}

@keyframes chartWave {
    0%, 100% { transform: translateY(0) scaleY(1); }
    25% { transform: translateY(-15px) scaleY(1.2); }
    50% { transform: translateY(5px) scaleY(0.8); }
    75% { transform: translateY(-8px) scaleY(1.1); }
}

.showcase-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.showcase-stats .stat-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.showcase-stats.futures .stat-item {
    border-color: rgba(255, 215, 0, 0.2);
}

.showcase-stats.crypto .stat-item {
    border-color: rgba(0, 255, 136, 0.2);
}

.showcase-stats .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.showcase-stats .value {
    font-weight: 600;
    font-size: 1rem;
}

.showcase-stats .value.up {
    color: #ff4d4f;
}

.showcase-stats .value.status {
    color: var(--success-color);
}

/* 功能对比表格 */
.compare-section {
    padding: 5rem 0;
}

.compare-table {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    border-collapse: collapse;
}

.compare-table th,
.compare-table td {
    padding: 1.2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.compare-table th {
    background: rgba(0, 0, 0, 0.3);
    font-weight: 600;
}

.compare-table th:first-child,
.compare-table td:first-child {
    text-align: left;
}

.compare-table th i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.compare-table .stock-col i { color: var(--primary-color); }
.compare-table .futures-col i { color: var(--accent-color); }
.compare-table .crypto-col i { color: var(--success-color); }

.compare-table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.compare-table tbody tr:last-child td {
    border-bottom: none;
}

.compare-table .bi-check-circle-fill {
    font-size: 1.2rem;
}

.compare-table .bi-dash-circle {
    font-size: 1.2rem;
}

/* 响应式 */
@media (max-width: 991px) {
    .product-title {
        font-size: 2.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .product-showcase {
        margin-top: 2rem;
    }
    
    .showcase-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .page-title {
        font-size: 2rem;
    }
    
    .product-title {
        font-size: 2rem;
    }
    
    .nav-tab {
        padding: 0.8rem 1.5rem;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-actions .btn {
        width: 100%;
    }
    
    .compare-table {
        font-size: 0.85rem;
    }
    
    .compare-table th,
    .compare-table td {
        padding: 0.8rem;
    }
}