/* 产品对比页面样式 */
.hero {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    max-width: 800px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.hero-features span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 3rem 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 对比表格 */
.comparison-table {
    width: 100%;
    margin-top: 2rem;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.comparison-table th {
    background: var(--primary-color);
    color: var(--text-light);
    font-weight: 600;
}

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

.comparison-table tr:hover td {
    background: var(--bg-light);
}

.comparison-table .highlight {
    color: var(--accent-color);
    font-weight: 600;
}

/* 对比表格区域 */
.comparison-section {
    padding: 4rem 0;
}

/* 优势对比卡片 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-card {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.advantage-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* 优势区域 */
.advantages-section {
    padding: 4rem 0;
    background: var(--bg-light);
}

/* 功能对比区域 */
.features-comparison {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.feature-card ul {
    list-style: none;
    padding: 0;
}

.feature-card li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-card li i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

/* 评价对比区域 */
.reviews-comparison {
    padding: 4rem 0;
    background: var(--bg-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.review-card {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 600;
}

.review-info h4 {
    color: var(--text-dark);
    margin-bottom: 0.2rem;
}

.review-info span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.review-content {
    color: var(--text-muted);
    line-height: 1.6;
}

.review-rating {
    color: var(--accent-color);
    margin-top: 1rem;
}

/* 问答区域 */
.qa-section {
    padding: 4rem 0;
}

.qa-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.qa-item {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.qa-item h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.qa-item h3 i {
    color: var(--accent-color);
}

.qa-item p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* 通用section样式 */
.section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .advantages-grid,
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid,
    .qa-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .stat-item {
        flex: 0 0 calc(50% - 1rem);
    }
}

@media (max-width: 768px) {
    .advantages-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

    .stat-item {
        flex: 0 0 100%;
    }

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

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