* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, "Microsoft YaHei", sans-serif;
}

body {
    background: #f4f8fb;
    color: #333;
    line-height: 1.6;
}

.navbar {
    width: 100%;
    background: #234066;
    padding: 12px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    white-space: nowrap;
}

.nav-logo-img {
    height: 50px;
    width: auto;
    vertical-align: middle;
    margin-right: 8px;
    border-radius: 4px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-menu a,
.nav-menu button {
    color: #fff;
    text-decoration: none;
    font-size: 17px;
    padding: 6px 10px;
    border-radius: 4px;
    transition: 0.2s;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.nav-menu a:hover,
.nav-menu a.active,
.nav-menu button:hover {
    background: #34588b;
}

.footer {
    width: 100%;
    background: #234066;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

.footer-logo {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 5px;
}

.footer p {
    font-size: 18px;
}

@media (max-width: 900px) {
    .navbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .nav-menu {
        justify-content: flex-start;
        gap: 10px;
    }
}