body {
    margin: 0;
    padding: 0;
    height: 100vh;
    background: linear-gradient(180deg, #326AF1 40%, #91B1FF 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.guide-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding-bottom: 100px;
}

.guide-logo {
    width: 1528px;
    height: 136px;
    margin-bottom: 161px;
    max-width: 90%;
    object-fit: contain;
}

.btn-group {
    display: flex;
    gap: 200px;
    flex-wrap: wrap;
    justify-content: center;
}

.guide-btn {
    display: block;
    width: 568px;
    height: 159px;
    background-image: url('../images/bg_btn.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    text-decoration: none;
    color: #326AF1;
    font-size: 40px;
    text-align: center;
    box-sizing: border-box;
    padding-top: 18px;
    transition: transform 0.2s;
}

.guide-btn:hover {
    transform: translateY(-2px);
    opacity: 0.95;
}

.footer {
    position: absolute;
    bottom: 30px;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
}

.footer a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .guide-logo {
        width: 90%;
        height: auto;
    }

    .btn-group {
        flex-direction: column;
        gap: 20px;
    }

    .footer {
        flex-direction: column;
        gap: 10px;
        padding: 0 20px;
    }
}