/* 首页特定样式 */

/* 顶部导航/横幅区域 */
.hero-section {
    background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/images/hero-bg.png') center/cover no-repeat;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    min-width: 180px;
}

/* 关键数据展示区 */
.stats-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-icon {
    font-size: 2.5rem;
    color: #0066cc;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* 核心功能详述区 */
.features-section {
    padding: 80px 0;
    background-color: white;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #333;
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 2.5rem;
    color: #0066cc;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.feature-description {
    color: #666;
    line-height: 1.6;
}

/* 多平台支持区 */
.platforms-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.platform-card {
    background: white;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.platform-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.platform-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: #333;
}

.platform-description {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    min-height: 40px;
}

/* 产品优势对比区 */
.advantages-section {
    padding: 80px 0;
    background-color: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 30px;
}

.advantage-icon {
    font-size: 2.5rem;
    color: #0066cc;
    margin-bottom: 1.5rem;
}

.advantage-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.advantage-description {
    color: #666;
    line-height: 1.6;
}

/* 用户评价展示区 */
.testimonials-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.testimonial-content {
    font-style: italic;
    color: #555;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    position: relative;
}

.testimonial-content::before {
    content: '"';
    font-size: 3rem;
    color: #0066cc;
    opacity: 0.3;
    position: absolute;
    top: -10px;
    left: -5px;
}

.testimonial-author {
    border-top: 1px solid #eee;
    padding-top: 1rem;
}

.author-name {
    font-weight: 600;
    color: #333;
}

.author-title {
    color: #666;
    font-size: 0.9rem;
}

/* 常见问题解答区 */
.faq-section {
    padding: 80px 0;
    background-color: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: #f8f9fa;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #e9ecef;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.faq-question i {
    color: #666;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer p {
    padding: 20px 0;
    color: #666;
    line-height: 1.6;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* 最终行动召唤区 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-note {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.8;
}

/* 页脚 */
.footer {
    background-color: #1a1a1a;
    color: #ccc;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 1.8rem;
    color: white;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #999;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-column a {
    display: block;
    color: #999;
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #0066cc;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    text-align: center;
    color: #999;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .features-grid,
    .platforms-grid,
    .advantages-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .platforms-grid,
    .advantages-grid,
    .testimonials-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 70px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .features-section,
    .platforms-section,
    .advantages-section,
    .testimonials-section,
    .faq-section {
        padding: 60px 0;
    }
    
    .feature-card,
    .platform-card,
    .advantage-card,
    .testimonial-card {
        padding: 20px;
    }
}