body {
    background-color: #F3F5F7;
}

ul {
    padding-left: 0;
}

ul li {
    list-style: none;
}

a:hover {
    text-decoration: none;
}

/* 移動端加入我們按鈕 */
.mobile-join-btn {
    display: none;
}

.mobile-join-btn a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    background: var(--accent-color);
    color: #ffffff;
    text-decoration: none;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
    /* box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3); */
}

.mobile-join-btn a:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
    color: #ffffff;
}

/* 移動端顯示按鈕 */
@media (max-width: 768px) {
    .mobile-join-btn {
        display: flex;
        align-items: center;
        margin-left: auto;
        margin-right: 0px;
    }

    .header-nav-right {
        display: none;
    }

    .header-nav-left {
        display: none;
    }

    .header-logo {
        margin-left: auto;
        margin-right: auto;
    }

    .mobile-menu-toggle {
        margin-right: 0;
    }
}