body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f0f2f5;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 500px;
    width: 100%;
    text-align: center;
}
h1 {
    font-size: 2.5rem;
    color: #1a1a1a;
}
.welcome-text {
    font-size: 1.1rem;
    color: #555;
}
.ip-box, .shop-box {
    background-color: #ffffff;
    border-radius: 8px;
    padding: 25px;
    margin-top: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.ip-box p {
    background-color: #f0f2f5;
    padding: 10px;
    border-radius: 4px;
    font-family: "Courier New", Courier, monospace;
    font-size: 1.1rem;
    word-wrap: break-word;
}
input {
    width: 90%;
    padding: 12px;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}
.small-text {
    font-size: 0.8rem;
    color: #888;
    margin-top: 15px;
}