/* 关于页专用样式 */

/* 关于页头部 */
.about-header {
    background: var(--white);
    padding: 60px 0;
    text-align: center;
    border-bottom: 2px solid var(--border-light);
}

.about-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-subtitle {
    font-size: 1.3rem;
    color: var(--gray-text);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 关于内容 */
.about-content {
    padding: 80px 0;
    background: var(--light-bg);
}

.about-section {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 50px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.about-section:last-child {
    margin-bottom: 0;
}

.about-section h3 {
    font-size: 2.2rem;
    color: var(--dark-text);
    margin-bottom: 25px;
    font-weight: 700;
}

.about-section p {
    font-size: 1.1rem;
    color: var(--gray-text);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-section p:last-child {
    margin-bottom: 0;
}

/* 特色功能 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--light-bg);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-title {
    font-size: 1.4rem;
    color: var(--dark-text);
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-description {
    color: var(--gray-text);
    line-height: 1.6;
}

/* 团队信息 */
.team-section {
    text-align: center;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-member {
    background: var(--light-bg);
    border-radius: var(--border-radius-md);
    padding: 30px 20px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin: 0 auto 20px;
}

.team-name {
    font-size: 1.3rem;
    color: var(--dark-text);
    margin-bottom: 10px;
    font-weight: 600;
}

.team-role {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 15px;
}

.team-bio {
    color: var(--gray-text);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-header {
        padding: 40px 0;
    }

    .about-title {
        font-size: 2.8rem;
    }

    .about-subtitle {
        font-size: 1.2rem;
    }

    .about-content {
        padding: 50px 0;
    }

    .about-section {
        padding: 30px;
        margin-bottom: 30px;
    }

    .about-section h3 {
        font-size: 1.8rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .about-header {
        padding: 30px 0;
    }

    .about-title {
        font-size: 2.2rem;
    }

    .about-subtitle {
        font-size: 1.1rem;
    }

    .about-section {
        padding: 20px;
        margin-bottom: 20px;
    }

    .about-section h3 {
        font-size: 1.6rem;
    }

    .about-section p {
        font-size: 1rem;
    }

    .feature-item {
        padding: 20px 15px;
    }

    .team-member {
        padding: 20px 15px;
    }
}