/* 关于我们页面特定样式 */
.about-hero {
    width: 100%;
    height: 60vh;
    min-height: 400px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-hero .hero-image {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

.about-hero .hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.about-hero .hero-content {
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 20px;
    z-index: 10;
    margin-top: 50px;
}

.about-hero .hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.9);
}

.about-hero .hero-content p {
    font-size: 1.5rem;
    margin-bottom: 10px;
    line-height: 1.6;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
}

/* 确保header在背景条之上 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000; /* 保持较高 z-index */
    /* background-color: transparent; */ /* 背景色由全局样式控制 */
}

/* 主要内容容器 */
.about-container {
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 0; /* 移除负边距 */
    padding: 40px 20px 0px 20px;
    display: flex;
    flex-wrap: wrap;
    background-color: #fff;
    position: relative;
    z-index: auto; /* 恢复自动 z-index */
}

body {
    background-color: #fff;
}

.about-container-top-margin {
    margin-top: 150px;
}

/* 页面内导航 */
.about-nav {
    width: 100%;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    position: sticky;
    top: 80px;
    z-index: 100;
}

.about-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

.about-nav ul li {
    margin: 0;
}

.about-nav ul li a {
    display: block;
    padding: 15px 30px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.about-nav ul li a:hover {
    color: #007844;
}

.about-nav ul li a.nav-active {
    color: #007844;
}

.about-nav ul li a.nav-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #007844;
}

/* 内容部分 */
.about-section {
    width: 100%;
    margin-bottom: 15px;
    background-color: #fff;
}

/* 移除最后一个 about-section 的底部外边距 */
.about-section:last-of-type {
    margin-bottom: 0;
}

.section-title {
    font-size: 2.5rem;
    color: #007844;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #88B04B;
}

/* 故事模块在about页面的特殊样式 */
.about-section .story {
    margin-bottom: 60px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 40px;
}

.about-section .story.reverse {
    flex-direction: row-reverse;
}

.about-section .story-image {
    flex: 1;
}

.about-section .story-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.about-section .story-content {
    flex: 1;
}

.about-section .story-content h3 {
    color: #007844;
    font-size: 1.8rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #88B04B;
}

/* 卡片样式 */
.about-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
}

.about-card h3 {
    background-color: #007844;
    color: white;
    margin: 0;
    padding: 15px 20px;
    font-size: 1.5rem;
}

.card-content {
    padding: 20px;
}

.card-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
    margin-bottom: 15px;
}

.card-content p:last-child {
    margin-bottom: 0;
}

/* 团队成员样式 */
.team-members {
    display: flex;
    flex-direction: column;
    gap: 30px;
    background-color: #fff;
}

.member-group {
    margin-bottom: 30px;
}

.member-group h4 {
    font-size: 1.3rem;
    color: #007844;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.member-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.member {
    display: flex;
    align-items: center;
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.member:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.member img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
    border: 3px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.member-info h5 {
    font-size: 1.2rem;
    margin: 0 0 5px 0;
    color: #333;
}

.member-info p {
    font-size: 0.9rem;
    margin: 0;
    color: #666;
}

/* 联系信息样式 */
.contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 10px;
}

.contact-item {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.contact-details {
    text-align: center;
}

.contact-details h4 {
    font-size: 1.2rem;
    margin: 0 0 10px 0;
    color: #333;
}

.contact-details p {
    font-size: 1rem;
    margin: 0 0 5px 0;
    color: #666;
}

.contact-details a {
    color: #007844;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: #88B04B;
    text-decoration: underline;
}

/* 社交媒体链接大图标 */
.social-media-large {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.social-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #333;
    transition: transform 0.3s ease;
}

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

.social-item img {
    width: 60px;
    height: 60px;
    margin-bottom: 10px;
    transition: transform 0.3s;
}

.social-item:hover img {
    transform: scale(1.1);
}

.social-item span {
    font-size: 1rem;
    font-weight: 600;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .member-list {
        grid-template-columns: 1fr;
    }

    .about-nav ul li a {
        padding: 15px 20px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .about-hero .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-hero .hero-content p {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .card-content p {
        font-size: 1rem;
    }

    .social-media-large {
        gap: 20px;
    }

    .member-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .about-nav {
        position: relative;
        top: 0;
    }

    .about-nav ul {
        flex-direction: column;
    }

    .about-nav ul li a {
        text-align: center;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
    }

    .member {
        flex-direction: column;
        text-align: center;
    }

    .member img {
        margin-right: 0;
        margin-bottom: 10px;
    }
}