/* FAQ页面样式 */

/* FAQ英雄区域 */
.faq-hero {
    min-height: 50vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.faq-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    font-weight: 300;
}

.search-box {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 5px;
    backdrop-filter: blur(10px);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 15px 20px;
    color: white;
    font-size: 1rem;
    outline: none;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-btn {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border: none;
    padding: 15px 20px;
    border-radius: 50px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    transform: scale(1.05);
}

/* FAQ分类导航 */
.faq-categories {
    padding: 40px 0;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

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

.category-tab {
    background: white;
    border: 2px solid #e9ecef;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #666;
}

.category-tab:hover {
    border-color: #667eea;
    color: #667eea;
}

.category-tab.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-color: transparent;
    color: white;
}

/* FAQ内容区域 */
.faq-content {
    padding: 80px 0;
    background: white;
}

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

.faq-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 15px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.faq-item.active {
    border-color: #667eea;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.2);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

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

.faq-question h3 {
    font-size: 1.2rem;
    color: #333;
    margin: 0;
    font-weight: 600;
}

.faq-question i {
    color: #667eea;
    transition: transform 0.3s ease;
    font-size: 1.1rem;
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 联系部分 */
.faq-contact {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.faq-contact h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.faq-contact > .container > p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-option {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.contact-option i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.contact-option h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-option p {
    color: #666;
    margin: 0;
}

/* 搜索高亮 */
.highlight {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: white;
    padding: 2px 4px;
    border-radius: 3px;
}

/* 无结果提示 */
.no-results {
    text-align: center;
    padding: 3rem;
    color: #666;
}

.no-results i {
    font-size: 3rem;
    color: #ccc;
    margin-bottom: 1rem;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-item {
    animation: fadeInUp 0.5s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .faq-title {
        font-size: 2.5rem;
    }
    
    .faq-subtitle {
        font-size: 1.1rem;
    }
    
    .search-box {
        flex-direction: column;
        border-radius: 15px;
        padding: 10px;
    }
    
    .search-input {
        border-radius: 10px;
        margin-bottom: 10px;
    }
    
    .search-btn {
        border-radius: 10px;
    }
    
    .category-tabs {
        gap: 0.5rem;
    }
    
    .category-tab {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .faq-question {
        padding: 1rem 1.5rem;
    }
    
    .faq-question h3 {
        font-size: 1.1rem;
    }
    
    .faq-answer p {
        padding: 0 1.5rem 1rem;
    }
    
    .contact-options {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-option {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .faq-hero {
        padding: 100px 0 60px;
    }
    
    .faq-title {
        font-size: 2rem;
    }
    
    .faq-subtitle {
        font-size: 1rem;
    }
    
    .faq-categories {
        padding: 20px 0;
    }
    
    .category-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0 1rem;
    }
    
    .category-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .faq-content {
        padding: 40px 0;
    }
    
    .faq-question {
        padding: 0.8rem 1rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-answer p {
        padding: 0 1rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .faq-contact {
        padding: 40px 0;
    }
    
    .faq-contact h2 {
        font-size: 2rem;
    }
}