/* 顶部导航栏 */
a {
    text-decoration: none;
}

.container span {
    color: #333;
}


#main-header {
    background-color: #fff;
    /* padding: 15px 0; */
    border-bottom: 1px solid #eee;
    position: sticky; /* Make header sticky */
    top: 0;
    z-index: 1000;
    width: 100%;
    height: 80px;
}

#main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* #main-header .logo {
    font-size: 1.5rem;
    font-weight: bold;
} */

#main-header nav ul {
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 120px;
}

#main-header nav ul li {
    list-style: none;

}

#main-header nav ul li a {
    color: #333;
    font-size: 18px;
    font-weight: 500;
    padding: 30px 0;
    transition: color 0.3s ease;
}

#main-header nav ul li a:focus {
    color: #0055F0; 
    border-bottom: 2px solid #0055F0;
}

#main-header nav ul li a:hover { /* Style for active link */
    color: #0055F0;
    border-bottom: 2px solid #0055F0;
}

#main-header nav ul li a:active { /* Style for active link */
    color: #0055F0;
    border-bottom: 2px solid #0055F0;
}

#main-header .contact-info {
    font-size: 16px;
    color: #666;
}

#main-header .contact-info span {
    margin-left: 15px;
}

.contact-info {
    display: flex;
    gap: 40px;
}

.icon {
    display: flex;
    align-items: center;
    gap: 16px;
}

#mobile-menu-toggle {
    display: none; /* Hide by default */
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #333;
}

.logo {
    width: 40px;
    height: 40px;
}