body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    background-color: #121212;
    color: white;
}
.header {
    position: fixed;
    top: 2vh;
    left: 2vw;
    width: 100vw;
}
.logo {
    position: absolute;
    left: 0.5vw;
    top: 1vh;
    width: 15vw;
}
.slogan {
    position: absolute;
    top: 8vh;
    left: 15vw; 
    font-size: 3vw;
    font-weight: bold;
    background: linear-gradient(180deg, white, #4b85ab, white);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
/* Navigation buttons */
.nav {
    position: absolute;
    top: 0.52vw;
    right: 1.04vw;
}
.nav a {
    color: white;
    text-decoration: none;
    margin-left: 1.04vw;
    font-size: 0.83vw;
    font-weight: bold;
    transition: color 0.3s;
}
.nav a:hover {
    color: #007BFF;
}
h1 {
    position: absolute;
    top: 25vh;
    left: 26vw;
    margin-bottom: 1.0vw;
    font-size: 2vw;
}
.swiper-container {
    position: absolute;
    top: 32vh;
    left: 5vw;
    width: 90%;
    padding: 2vw 0;
    overflow: hidden;
}

.swiper-wrapper {
    display: flex;
}

.swiper-slide {
    display: flex;
    justify-content: center;
}

.box {
    position: relative;
    border: 0.15vw solid #ccc;
    border-radius: 0.6vw;
    padding: 0;
    background: white;
    box-shadow: 0 0.3vw 0.45vw rgba(0, 0, 0, 0.1);
    width: 24vw;
}

.box img {
    max-width: 100%;
    display: block;
}

.box div {
    position: absolute;
    text-align: center;
    transform: translate(0%, -100%);
    font-size: 1.3vw;
    font-weight: bold;
    color: white;
    padding: 0.26vw 0.52vw;
    border-radius: 0.3vw;
}

.text1 { background-color: #4d5763; }
.text2 { background-color: #3a3bf7; }
.text3 { background-color: #38768d; }
.text4 { background-color: #42268f; }

.swiper-button-next, .swiper-button-prev {
    color: #333;
}
.option-box {
    display: flex;
    flex-direction: row;
    gap: 0.5vw;
    margin-top: 0.5vw;
}

.box:hover {
    background-color: #007BFF;
    border-color: #0056b3;
}

.container {
    text-align: center;
    padding: 1.04vw;
    background: #1e1e1e;
    box-shadow: 0 0.21vw 0.42vw rgba(0, 0, 0, 0.5);
    border-radius: 0.52vw;
    max-width: 20.83vw;
    margin: 1.04vw;
}