* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

#bt1 {
    background-color: #0056d2;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
}

.cart-icon {
    font-size: 20px;
    cursor: pointer;
    color: #333;
}

.content-area {
    flex-direction: column;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 40px 40px;
    background-color: #f9f9f9;
}

#image img {
    width: 250px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

#subdiv {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 32px;
    margin-bottom: 15px;
}

h3 {
    color: #007aff;
    margin: 10px 0;
}

h4 {
    margin-top: 20px;
    color: #666;
}

.description {
    margin-top: 10px;
    line-height: 1.6;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.tags li {
    list-style: none;
    background-color: #ececec;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
}

#bt2 {
    background-color: #007aff;
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    margin-top: 25px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#bt2:hover {
    background-color: #0056d2;
}

@media (max-width: 1024px) {
    .content-area {
        flex-direction: column;
        justify-content: flex-start;
        overflow-y: auto;
        padding: 20px;
        gap: 30px;
    }
    html,
    body {
        overflow-y: auto;
    }
    #image img {
        width: 100%;
        max-width: 600px;
    }
    #subdiv {
        width: 100%;
        max-width: 600px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 24px;
    }
    h3 {
        font-size: 18px;
    }
    #bt2 {
        width: 100%;
        padding: 12px;
        font-size: 15px;
    }
    #bt1 {
        padding: 6px 12px;
    }
}