/* 关于页面样式 - Global Currency Converter */

/* 页面导航 */
.page-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 30px;
    background: #1a73e8;
    color: white;
    border-bottom: 1px solid #0d62d9;
}

.nav-back {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: background 0.3s ease;
}

.nav-back:hover {
    background: rgba(255, 255, 255, 0.1);
}

.page-nav h1 {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

/* 页面内容 */
.page-content {
    padding: 40px 30px;
    max-width: 1000px;
    margin: 0 auto;
}

/* 关于部分 */
.about-section {
    margin-bottom: 50px;
}

.about-section h2 {
    color: #1a73e8;
    font-size: 28px;
    margin-bottom: 20px;
    border-bottom: 2px solid #1a73e8;
    padding-bottom: 10px;
}

.about-section p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

/* 特点部分 */
.features-section {
    margin-bottom: 50px;
}

.features-section h2 {
    color: #1a73e8;
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background: #f8f9fa;
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.15);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-item h3 {
    color: #1a73e8;
    font-size: 20px;
    margin-bottom: 10px;
}

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

/* 数据来源部分 */
.data-sources-section {
    margin-bottom: 50px;
}

.data-sources-section h2 {
    color: #1a73e8;
    font-size: 28px;
    margin-bottom: 20px;
}

.data-sources-section p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.sources-list {
    list-style: none;
    padding: 0;
    margin: 25px 0;
}

.sources-list li {
    background: #f1f8ff;
    padding: 12px 20px;
    margin: 10px 0;
    border-radius: 6px;
    border-left: 4px solid #1a73e8;
    font-weight: 500;
}

.disclaimer {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 15px;
    border-radius: 6px;
    color: #856404;
    font-size: 14px;
}

/* 团队部分 */
.team-section {
    margin-bottom: 50px;
}

.team-section h2 {
    color: #1a73e8;
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
}

.team-section p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    text-align: center;
    margin-bottom: 30px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.team-member {
    background: white;
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-avatar {
    font-size: 60px;
    margin-bottom: 15px;
}

.team-member h4 {
    color: #1a73e8;
    font-size: 20px;
    margin-bottom: 5px;
}

.team-member p {
    color: #666;
    margin-bottom: 10px;
}

.member-desc {
    font-size: 14px;
    color: #888;
    font-style: italic;
}

/* 联系部分 */
.contact-section {
    margin-bottom: 50px;
}

.contact-section h2 {
    color: #1a73e8;
    font-size: 28px;
    margin-bottom: 20px;
}

.contact-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
}

.contact-item {
    margin-bottom: 15px;
    font-size: 16px;
    color: #555;
}

.contact-item strong {
    color: #1a73e8;
}

/* 页脚 */
.page-footer {
    background: #f8f9fa;
    padding: 25px;
    text-align: center;
    border-top: 1px solid #eaeaea;
}

.footer-content p {
    margin-bottom: 10px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-nav {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .page-content {
        padding: 20px 15px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-item,
    .team-member {
        padding: 20px 15px;
    }
    
    .about-section h2,
    .features-section h2,
    .data-sources-section h2,
    .team-section h2,
    .contact-section h2 {
        font-size: 24px;
    }
}