body {
    margin: 0;
    font-family: "IBM Plex Sans Thai", sans-serif;
}

.logo {
    width: 220px;
    margin: 5px 5px 5px 0;
}

header .nav-pc a {
    margin: 0;
    padding: 0;
    display: flex;
}

.nav-pc {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background-color: #D62828;
    padding: 5px;
}

.nav-pc nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0 30px 0 0;
}

.nav-pc nav ul li a {
    display: inline;
    text-decoration: none;
    color: #ffffff;
    font-size: 18px;
}

.nav-pc nav ul li a:hover {
    color: #FFD60A;
}

.mobile-nav {
    display: none;
}

.mobile-nav-btn {
    display: none;
}

.image-slider {
    overflow: hidden;
    max-width: 768px;
    margin: auto;
    margin-top: 20px;
    border: solid 2px #D62828;
}

.image-slider img {
    width: 768px;
}

.content {
    max-width: 726px;
    margin: auto;
    margin-top: 20px;
    padding: 20px;
    border: solid 2px #D62828;
}

.content-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    margin-top: 10px;
}

.content-title p {
    padding: 0;
    margin: 0;
}

.event {
    max-width: 726px;
    margin: auto;
    margin-top: 20px;
    padding: 20px;
    border: solid 2px #D62828;
}

.event h3 {
    display: block;
    border-bottom: dotted 2px #D62828;
    padding-bottom: 5px;
    margin: 0;
    margin-bottom: 10px;
}

.event p {
    margin: 0;
}

.content-box p {
    padding: 0;
    margin: 1px;
}

.date {
    font-size: 14px;
    color: #D62828;
    margin-top: 10px;
    margin-bottom: 10px;
}

.footer-content {
    text-align: center;
    padding: 10px;
    background-color: #D62828;
    color: #ffffff;
    margin-top: 20px;
}

.footer-content p {
    margin: 5px 0;
}

.footer-content a {
    color: #ffffff;
}

.it-club {
    display: block;
    text-align: center;
    background-color: #D62828;
    color: #ffffff;
    padding: 10px;
    margin: 30px auto;
    max-width: 748px;
    text-decoration: none;
    font-size: 18px;
}

/* ITD Page Styles */

@media screen and (max-width: 768px) {
    .nav-pc {
        display: none;
    }

    .mobile-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 10px 20px;
        background-color: #D62828;
        margin: 0;
    }

    .mobile-nav .logo {
        width: 220px;
    }

    .nav-toggle {
        padding: 10px 15px;
        width: 100px;
        height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        border: solid 2px #ffffff;
        background-color: #ffffff;
        ;
    }

    .nav-toggle p {
        color: black;
        font-size: 18px;
        font-family: "IBM Plex Sans Thai", sans-serif;
        font-weight: 400;
    }

    .mobile-nav-btn {
        display: none;
        text-align: center;
        background-color: #D62828;
        margin: 0;
    }

    .mobile-nav-btn ul {
        width: 100%;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        /* ให้ลูกอยู่ตรงกลาง */
    }

    .mobile-nav-btn ul li {
        width: 100%;
        margin: 0;
        padding: 0;
        display: flex;
        justify-content: center;
        /* ให้ <a> ตรงกลาง */
    }

    .mobile-nav-btn ul li a {
        display: block;
        width: 90%;
        /* กำหนดขนาดถ้าอยากให้ a ไม่สุดขอบ */
        text-align: center;
        text-decoration: none;
        color: white;
        padding: 10px;
    }

    .image-slider {
        max-width: 768px;
    }
}