/* 公共样式 - 头部导航 */
.header {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    padding: 0 50px 0 30px;
    border-bottom: 1px solid #eee;
    background: #fff;
}

/* 头部横幅图片 */
.header-banner {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    height: 60px;
}

.nav {
    display: flex;
    list-style: none;
    margin-left: auto;
    margin-right: 100px;
}

.nav li {
    margin: 0 18px;
}

.nav li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
}

.nav li a:hover {
    color: #00a854;
}

.nav li a.active {
    color: #00a650;
}