/* 데스크탑 전용 스타일 */
@media (min-width: 1025px) {
    header {
        position: relative;
        color: #fff;
        height: 600px;
        background-image: url('img/top.png');
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        padding: 10px 0;
    }

    header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
    }

    header .text-container {
        position: absolute;
        top: 350px;
        width: 100%;
        text-align: center;
    }

    header .main-text {
        font-size: 60px;
        font-weight: bold;
    }

    header .sub-text {
        font-size: 30px;
        margin-top: 30px;
    }

    nav {
        position: fixed;
        top: 0;
        width: 100%;
        height: 200px;
        background-color: transparent;
        transition: background-color 0.3s ease;
        z-index: 1000;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0 20px;
    }

    nav.scrolled {
        background-color: rgba(0, 0, 0, 0.8);
    }

    nav .logo {
        height: 150px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    nav .logo img {
        height: 75px;
    }

    nav .menu {
        height: 50px;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: 10px;
    }

    nav ul {
        list-style-type: none;
        margin: 0;
        padding: 0;
        display: flex;
    }

    nav ul li {
        width: 150px;
        text-align: center;
        position: relative;
    }

    nav ul li a {
        color: #fff;
        text-decoration: none;
        font-weight: bold;
        padding: 10px 15px;
        display: block;
        transition: background-color 0.3s ease, border-bottom 0.3s ease;
    }

    nav ul li a.main-menu {
        border-bottom: 2px solid rgba(255, 255, 255, 0);
    }

    nav ul li a.main-menu:hover,
    nav ul li a.main-menu:focus,
    nav ul li a.main-menu:active,
    nav ul li:hover > a.main-menu,
    nav ul li:focus-within > a.main-menu {
        background-color: rgba(0, 0, 0, 0.5);
        border-bottom: 2px solid #fff;
    }

    nav ul li ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: #333;
        padding: 0;
        margin: 0;
        list-style: none;
    }

    nav ul li:hover > ul,
    nav ul li:focus-within > ul {
        display: block;
    }

    nav ul li ul li a {
        padding: 10px;
        background-color: #333;
        border-bottom: none;
    }

    nav ul li ul li:hover > a,
    nav ul li ul li:focus-within > a {
        background-color: #444;
    }

    nav ul li ul li ul {
        display: none;
        position: absolute;
        top: 0;
        left: 100%;
        background-color: #333;
    }

    nav ul li ul li:hover > ul,
    nav ul li ul li:focus-within > ul {
        display: block;
    }

    nav ul li ul li ul li a {
        padding: 10px;
        background-color: #333;
        border-bottom: none;
    }

    nav .left-icons, nav .right-menu {
        display: flex;
        align-items: center;
        position: absolute;
    }

    nav .left-icons {
        left: 75px;
        top: 50px;
    }

    nav .right-menu {
        right: 75px;
        top: 50px;
    }

    nav .left-icons a, nav .right-menu a {
        color: #fff;
        text-decoration: none;
        font-weight: bold;
        margin: 0 10px;
    }

    nav .left-icons a img, nav .right-menu a img {
        height: 24px;
        width: auto;
    }

    main {
        padding: 20px;
        padding-top: 20px;
    }

    section {
        margin-bottom: 40px;
    }

    h1 {
        border-bottom: 2px solid #333;
        padding-bottom: 10px;
    }

    article {
        margin-bottom: 20px;
    }

    article h2 {
        color: #007BFF;
    }

    footer {
        background-color: #333;
        color: #fff;
        text-align: center;
        padding: 20px 0;
        position: relative;
        width: 100%;
        bottom: 0;
    }

    footer .footer-content {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
    }

    footer .footer-content div {
        margin: 10px;
    }

    footer .footer-content div a {
        color: #fff;
        text-decoration: none;
        font-weight: bold;
    }

    footer .footer-content div a:hover {
        text-decoration: underline;
    }

    #to-top {
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 75px;
        height: 75px;
        background-color: #fb0000;
        color: #fff;
        padding: 10px;
        border-radius: 50%;
        text-align: center;
        text-decoration: none;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    nav .left-icons-mobile {
        display: none;
    }
}