/* 关于我们页面样式 */

/* 导航激活状态 */
.nav-links a.active {
    color: var(--primary-blue);
    font-weight: 500;
}

.nav-links a.active::after {
    width: 100%;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们内容部分 */
.about-section {
    padding: 80px 0;
    background: white;
}

.about-section:nth-child(even) {
    background: #f8f9fa;
}

.section-content {
    max-width: 1000px;
    margin: 0 auto;
}

.section-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #333;
    font-weight: 300;
}

.section-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 2rem;
}

.section-text p {
    margin-bottom: 1.5rem;
}

.section-image {
    text-align: center;
    margin-top: 3rem;
}

.section-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* 统计数据部分 */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.stats-section .container {
    position: relative;
    z-index: 1;
}

.stats-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 300;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item i {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #fff;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 团队部分 */
.team-section {
    padding: 80px 0;
    background: white;
}

.team-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: #333;
    font-weight: 300;
}

.team-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.team-member {
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
    background: #f8f9fa;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.member-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.member-position {
    font-size: 1rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.member-bio {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.member-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.member-social a {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    font-size: 1.2rem;
}

.member-social a:hover {
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .about-section {
        padding: 60px 0;
    }
    
    .section-content h2 {
        font-size: 2rem;
    }
    
    .stats-section {
        padding: 60px 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .stat-item {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .team-section {
        padding: 60px 0;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .section-content h2 {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}