/* ===== AI展览页面专属样式 ===== */

/* AI英雄区域 */
.ai-hero {
    min-height: 100vh;
    padding: 200px 0 100px;
    background: radial-gradient(ellipse at 20% 30%, rgba(142, 45, 226, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(0, 198, 255, 0.1) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}

.ai-hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.ai-hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.ai-hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-weight: 500;
}

.ai-hero-desc {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.ai-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.ai-hero-btn {
    font-size: 1.1rem;
    padding: 1rem 3rem;
    margin-top: 1rem;
}

/* AI视觉区 */
.ai-hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-mockup {
    position: relative;
    width: 500px;
    height: 400px;
    background: linear-gradient(135deg, rgba(142, 45, 226, 0.2) 0%, rgba(0, 198, 255, 0.15) 100%);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    animation: float 6s ease-in-out infinite;
}

.mockup-screen {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    height: 100%;
}

.demo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.demo-image:hover {
    transform: scale(1.05);
    z-index: 2;
}

/* AI工具网格 */
.ai-tools {
    padding: 100px 0;
    background: var(--darker-bg);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tool-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 198, 255, 0.1), transparent);
    transition: left 0.6s;
}

.tool-card:hover::before {
    left: 100%;
}

.tool-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 25px 50px rgba(0, 198, 255, 0.15);
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.tool-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-accent);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.tool-badge {
    background: var(--gradient-primary);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

.tool-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.tool-desc {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tool-features {
    list-style: none;
    margin-bottom: 2rem;
}

.tool-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: var(--text-gray);
}

.tool-features li i {
    color: var(--accent-color);
    font-size: 1rem;
}

.tool-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.tool-price {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-color);
}

.tool-btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

/* 特色卡片 */
.tool-card.featured {
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, rgba(142, 45, 226, 0.1) 0%, rgba(74, 0, 224, 0.05) 100%);
}

.tool-card.featured .tool-icon {
    background: var(--gradient-primary);
}

/* 案例展示 */
.ai-showcase {
    padding: 100px 0;
    background: var(--dark-bg);
}

.showcase-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-gray);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.showcase-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 300px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.showcase-item:hover {
    transform: translateY(-5px);
}

.showcase-image {
    width: 100%;
    height: 100%;
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.showcase-item:hover .showcase-image img {
    transform: scale(1.1);
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.showcase-item:hover .showcase-overlay {
    transform: translateY(0);
}

.showcase-overlay h4 {
    margin-bottom: 0.5rem;
    color: white;
}

.showcase-overlay p {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.case-link {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
}

/* 价格套餐 */
.ai-pricing {
    padding: 100px 0;
    background: var(--darker-bg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 198, 255, 0.1);
}

.pricing-card.featured {
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, rgba(142, 45, 226, 0.1) 0%, rgba(74, 0, 224, 0.05) 100%);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-accent);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
}

.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.plan-subtitle {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.plan-price {
    margin: 2rem 0;
}

.price-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent-color);
}

.price-unit {
    color: var(--text-gray);
    font-size: 1rem;
}

.plan-features {
    list-style: none;
    text-align: left;
    margin: 2rem 0;
}

.plan-features li {
    padding: 0.8rem 0;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.plan-features li i {
    color: var(--accent-color);
}

.plan-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    margin-top: 1rem;
    justify-content: center;
}

/* 技术对比 */
.ai-comparison {
    padding: 100px 0;
    background: var(--dark-bg);
}

.comparison-table {
    overflow-x: auto;
    margin-top: 3rem;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

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

.comparison-table th {
    background: var(--card-bg);
    color: var(--accent-color);
    font-weight: bold;
}

.comparison-table td:first-child {
    text-align: left;
    color: var(--text-light);
    font-weight: 500;
}

.comparison-table td:nth-child(2) {
    color: var(--accent-color);
    font-weight: bold;
    background: rgba(0, 198, 255, 0.05);
}

.comparison-table .ai-win {
    position: relative;
}

.comparison-table .ai-win::before {
    content: '✓';
    color: var(--accent-color);
    margin-right: 0.5rem;
    font-weight: bold;
}

/* CTA区域 */
.ai-cta {
    padding: 100px 0;
    background: var(--gradient-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ai-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.ai-cta h2 {
    font-size: 3rem;
    color: white;
    margin-bottom: 1rem;
}

.ai-cta p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-primary {
    background: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
}

.cta-secondary {
    background: transparent;
    border: 2px solid white;
    color: white;
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
}

.cta-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* 模态框样式 */
.tool-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.tool-modal-content {
    width: 90%;
    max-width: 800px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 2rem;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .ai-hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .ai-hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .ai-hero-content h1 {
        font-size: 3rem;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .comparison-table {
        font-size: 0.9rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 1rem;
    }
}

/* 软件类型标签 */
.span-free {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    align-self: flex-start;
}