/* 关于我们页面样式 */
.about-content {
    display: block;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 英雄区域 */
.about-hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/about-hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    border-radius: 15px;
    margin-bottom: 50px;
}

.about-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.about-hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* 通用部分样式 */
.about-section {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 50px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.about-section h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.about-section h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 15px auto 0;
}

/* 使命部分样式 */
.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.mission-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    text-align: justify;
}

.mission-points {
    list-style: none;
}

.mission-points li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.mission-points li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.mission-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

/* 团队部分样式 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.team-member {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.member-image {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}

.member-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-member:hover .member-image img {
    transform: scale(1.05);
}

.member-info {
    padding: 20px;
}

.member-info h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.member-title {
    color: #666;
    font-size: 1rem;
    margin-bottom: 15px;
}

.member-desc {
    color: var(--text-color);
    line-height: 1.6;
}

/* 联系方式样式 */
.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

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

.contact-item h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.contact-item p {
    margin-bottom: 10px;
    color: var(--text-color);
}

.social-media h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    padding: 15px;
    border-radius: 10px;
    background: #f8f8f8;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.social-link:hover {
    transform: translateY(-5px);
    background-color: #f0f0f0;
}

.qr-code {
    width: 120px;
    height: 120px;
    margin-bottom: 10px;
}

/* 合作方式样式 */
.cooperation-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.cooperation-item {
    padding: 30px;
    background: #f8f8f8;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

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

.cooperation-item h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.cooperation-item p {
    color: var(--text-color);
    line-height: 1.6;
}

/* 响应式设计 */
@media screen and (max-width: 1024px) {
    .about-hero {
        padding: 80px 20px;
    }

    .about-hero h1 {
        font-size: 3rem;
    }
}

@media screen and (max-width: 768px) {
    .about-section {
        padding: 30px 20px;
    }

    .mission-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .about-hero {
        padding: 60px 20px;
    }

    .about-hero h1 {
        font-size: 2.5rem;
    }
}

@media screen and (max-width: 480px) {
    .about-hero {
        padding: 40px 20px;
    }

    .about-hero h1 {
        font-size: 2rem;
    }

    .about-section h2 {
        font-size: 1.5rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }
}

/* 动画效果 */
.about-section {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 为每个部分设置延迟动画 */
.mission { animation-delay: 0.1s; }
.team { animation-delay: 0.2s; }
.contact { animation-delay: 0.3s; }
.cooperation { animation-delay: 0.4s; }