/* 通用样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f5f5f5;
}

/* 导航栏样式 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(72, 72, 72, 0); /* 初始透明 */
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

header.visible {
    background-color: rgb(63, 63, 63); /* 滚动后显示背景色 */
}

.logo img {
    width: 40%;
}

header .nav{
    width: 20%;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 40px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
}

nav ul li a:hover {
    color: #b7b54a;
}

/* Banner区域 */
.about-banner {
    background-image: url('../img/banner3.jpg'); /* 关于我们页面的Banner图 */
    background-size: cover;
    background-position: center;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
    position: relative;
}

.about-banner h1 {
    font-size: 48px;
    margin: 0;
}

.about-banner p {
    font-size: 24px;
    margin: 10px 0 0;
}

/* 关于我们内容区域 */

/* 主内容 */
.container {
    width: 80%;
    margin: 30px auto;
}
h2 {
    font-size: 36px;
color: #2c3e50;
text-align: center;
}

.contact-info {
display: flex;
justify-content: space-around;
margin-top: 30px;
}

.contact-info div {
background-color: #fff;
padding: 20px 10px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
border-radius: 8px;
width: 30%;
}

.contact-info h3 {
color: #b7b54a;
margin-bottom: 10px;
}

.contact-info p {
color: #555;
font-size: 16px;
}


.about-content {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.about-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.about-content p {
    font-size: 18px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 20px;
}

.about-content img {
    max-width: 100%;
    border-radius: 10px;
    margin-top: 20px;
}

/* 团队介绍 */
.team {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.team h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.team-member {
    display: inline-block;
    width: 30%;
    margin: 10px;
    vertical-align: top;
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 10px;
}

.team-member h3 {
    font-size: 24px;
    margin: 10px 0;
    color: #2c3e50;
}

.team-member p {
    font-size: 16px;
    color: #666;
}

/* 合作伙伴 */
.partners {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.partners h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.partner-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.partner-logos img {
    width: 150px;
    margin: 10px;
}

/* 底部区域 */
footer {
    background-color: #393a3b;
    color: #fff;
    padding: 5px;
    text-align: center;
}

footer .social-media a {
    color: #fff;
    text-decoration: none;
    margin: 0 8px;
}

footer .copyright {
    margin-top: 5px;
    font-size: 14px;
}

/* 默认样式 */
.beian-link {
    color: #fff; /* 字体颜色为灰色 */
    text-decoration: none; /* 去掉下划线 */
}

/* 鼠标悬停样式 */
.beian-link:hover {
    text-decoration: underline; /* 只添加下划线，字体颜色不变 */
}