/* ===== 产品页面专用样式 ===== */

/* 产品 Hero */
.product-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: var(--space-20) 0 var(--space-16);
    margin-top: 80px;
}

.product-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.product-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.product-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.8;
}

.dashboard-preview {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    background: var(--bg-primary);
    border: 1px solid var(--gray-200);
}

.dashboard-preview img {
    width: 100%;
    height: auto;
    display: block;
}

/* 统计横幅 */
.stats-banner {
    background: var(--primary-gradient);
    padding: var(--space-12) 0;
}

.stats-banner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.stat-banner-item {
    text-align: center;
    color: white;
}

.stat-banner-value {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--space-2);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-banner-label {
    font-size: 1rem;
    opacity: 0.95;
    font-weight: 500;
}

/* 功能详情 */
.features {
    background: var(--bg-primary);
}

.feature-row {
    margin-bottom: var(--space-16);
}

.feature-row-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    padding: var(--space-12);
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
}

.feature-row.reverse .feature-row-content {
    direction: rtl;
}

.feature-row.reverse .feature-row-text {
    direction: ltr;
}

.feature-row-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.feature-row-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1rem;
    color: var(--text-secondary);
}

.check-icon {
    width: 20px;
    height: 20px;
    color: var(--success);
    flex-shrink: 0;
}

.feature-row-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-row-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    background: var(--bg-primary);
    padding: var(--space-4);
}

/* 产品 CTA */
.cta-product {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: var(--space-20) 0;
}

.cta-product-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-product-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.cta-product-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

/* ===== 其他产品页面通用样式 ===== */

/* 产品 Banner */
.product-banner {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-20) 0;
    margin-top: 80px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
}

.product-banner h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    max-width: 800px;
}

/* 功能网格 */
.feature-grid-section {
    padding: var(--space-20) 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

/* 3 列功能网格（语音视频页面） */
.feature-grid-3 {
    margin-top: 0;
}

.feature-mini-list {
    margin-top: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.feature-mini-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.feature-mini-list .check-icon {
    width: 16px;
    height: 16px;
    color: var(--success);
    flex-shrink: 0;
}

/* 优势网格（远程协助） */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.advantage-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    color: var(--primary);
}

.advantage-icon svg {
    width: 100%;
    height: 100%;
}

.advantage-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.advantage-card p {
    color: var(--text-secondary);
    font-size: 0.938rem;
    line-height: 1.6;
}

/* 场景网格 */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.scenario-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    text-align: center;
}

.scenario-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.scenario-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    color: var(--primary);
}

.scenario-icon svg {
    width: 100%;
    height: 100%;
}

.scenario-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.scenario-card p {
    color: var(--text-secondary);
    font-size: 0.938rem;
    line-height: 1.6;
}

/* 视频客服演示界面 */
.video-interface-demo {
    width: 100%;
    max-width: 480px;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    animation: float 6s ease-in-out infinite;
}

.video-screen {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1);
    padding: var(--space-4);
    background: linear-gradient(135deg, #1e3a5f 0%, #0f2744 100%);
}

.video-participant {
    position: relative;
    aspect-ratio: 4/3;
}

.video-participant.local {
    position: absolute;
    bottom: var(--space-4);
    right: var(--space-4);
    width: 120px;
    height: 90px;
    z-index: 10;
}

.participant-video {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.participant-placeholder {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.participant-placeholder svg {
    width: 28px;
    height: 28px;
}

.participant-label {
    position: absolute;
    bottom: var(--space-2);
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.5);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.video-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--bg-primary);
    border-top: 1px solid var(--gray-200);
}

.video-controls .control-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.video-controls .control-btn svg {
    width: 24px;
    height: 24px;
}

.video-controls .control-btn {
    background: var(--gray-200);
    color: var(--text-primary);
}

.video-controls .control-btn:hover {
    background: var(--gray-300);
}

.video-controls .control-btn.end {
    background: #ef4444;
    color: white;
}

.video-controls .control-btn.end:hover {
    background: #dc2626;
}

/* AI 机器人演示界面 */
.ai-robot-demo {
    width: 100%;
    max-width: 400px;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    animation: float 6s ease-in-out infinite;
    padding: var(--space-8);
}

.robot-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--space-6);
}

.robot-head {
    width: 80px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    border-radius: var(--radius-xl);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.robot-eyes {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.eye {
    width: 12px;
    height: 12px;
    background: white;
    border-radius: var(--radius-full);
    animation: blink 4s ease-in-out infinite;
}

@keyframes blink {
    0%, 90%, 100% { transform: scaleY(1); }
    95% { transform: scaleY(0.1); }
}

.robot-mouth {
    width: 20px;
    height: 4px;
    background: white;
    border-radius: var(--radius-full);
    opacity: 0.8;
}

.robot-body {
    width: 60px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-radius: var(--radius-lg);
    margin-top: var(--space-2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.robot-chest {
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chest-light {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: var(--radius-full);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.9); }
}

.chat-bubbles {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.chat-bubble {
    max-width: 280px;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    line-height: 1.5;
}

.chat-bubble.user {
    background: var(--gray-100);
    color: var(--text-primary);
    align-self: flex-end;
    border-bottom-right-radius: var(--space-1);
}

.chat-bubble.bot {
    background: var(--primary-gradient);
    color: white;
    align-self: flex-start;
    border-bottom-left-radius: var(--space-1);
}

.feature-grid-item {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.feature-grid-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-grid-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    color: var(--primary);
}

.feature-grid-icon svg {
    width: 100%;
    height: 100%;
}

.feature-grid-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.feature-grid-item p {
    color: var(--text-secondary);
    font-size: 0.938rem;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-hero-content,
    .feature-row-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .feature-row.reverse .feature-row-content {
        direction: ltr;
    }
    
    .feature-row-image {
        order: -1;
    }
    
    .feature-list li {
        justify-content: center;
    }
    
    .stats-banner-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding-top: var(--space-12);
    }
    
    .product-title {
        font-size: 2rem;
    }
    
    .feature-row-content {
        padding: var(--space-6);
    }
    
    .feature-row-text h3 {
        font-size: 1.5rem;
    }
    
    .stat-banner-value {
        font-size: 2.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}