/* 关于我们页面样式 */
.about-page {
    padding: 40px 0;
}

.page-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
}

.about-section {
    background: white;
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #007BFF;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: #007BFF;
}

.section-content {
    line-height: 1.8;
    color: #555;
}

.highlight-text {
    font-size: 18px;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #007BFF;
}

.mission-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 10px;
    margin: 20px 0;
    text-align: center;
    font-size: 18px;
}

.mission-highlight .highlight {
    color: #ffd700;
    font-weight: 700;
}

/* 覆盖范围网格 */
.coverage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.coverage-item {
    text-align: center;
    padding: 25px 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.coverage-item:hover {
    transform: translateY(-5px);
    border-color: #007BFF;
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.2);
}

.country-flag {
    font-size: 48px;
    margin-bottom: 15px;
}

.coverage-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.coverage-item p {
    color: #666;
    margin: 0;
}

/* 服务网格 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.service-item {
    text-align: center;
    padding: 25px 20px;
    background: white;
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-3px);
    border-color: #28a745;
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.2);
}

.service-icon {
    font-size: 36px;
    color: #28a745;
    margin-bottom: 15px;
}

.service-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.service-item p {
    color: #666;
    margin: 0;
    font-size: 14px;
}

/* 网站链接 */
.website-link {
    text-align: center;
    margin: 20px 0;
}

.website-link a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #007BFF 0%, #0056b3 100%);
    color: white;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.website-link a:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* Telegram 加入按钮 */
.telegram-join {
    text-align: center;
    margin: 25px 0;
}

.telegram-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #0088cc 0%, #005580 100%);
    color: white;
    padding: 18px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.telegram-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.4);
    color: white;
}

.telegram-btn i {
    font-size: 24px;
}

/* 优势网格 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.advantage-item {
    text-align: center;
    padding: 25px 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-3px);
    border-color: #ffc107;
    box-shadow: 0 5px 15px rgba(255, 193, 7, 0.2);
}

.advantage-icon {
    font-size: 36px;
    color: #ffc107;
    margin-bottom: 15px;
}

.advantage-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.advantage-item p {
    color: #666;
    margin: 0;
    font-size: 14px;
}

/* 免责声明 */
.disclaimer-section {
    background: #fff3cd;
    border: 2px solid #ffeaa7;
}

.disclaimer-section .section-title {
    color: #856404;
    border-bottom-color: #f39c12;
}

.disclaimer-section .section-title i {
    color: #f39c12;
}

.disclaimer-section .section-content {
    color: #856404;
}

/* 侧边栏样式 */
.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: #666;
}

.contact-info i {
    color: #007BFF;
    width: 20px;
}

.quick-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.quick-nav li {
    margin-bottom: 10px;
}

.quick-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
    text-decoration: none;
    padding: 8px 0;
    transition: color 0.3s ease;
}

.quick-nav a:hover {
    color: #007BFF;
}

.latest-updates p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: #666;
}

.latest-updates i {
    color: #28a745;
    width: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-title {
        font-size: 28px;
    }
    
    .page-subtitle {
        font-size: 16px;
    }
    
    .about-section {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .coverage-grid,
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .website-link a,
    .telegram-btn {
        padding: 12px 25px;
        font-size: 16px;
    }
}