body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #181a20;
    color: #f3f3f3;
    margin: 0;
    padding: 0;
}
header {
    background: #23263a;
    padding: 2rem 1rem 1rem 1rem;
    text-align: center;
}
.subtitle {
    color: #a0a4b8;
    font-size: 1.2rem;
    margin-top: 0.5rem;
}
main {
    max-width: 600px;
    margin: 2rem auto;
    padding: 1rem;
    background: #22242c;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.2);
}
.product h2 {
    color: #6ec1e4;
}
.wiki-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.7rem 1.5rem;
    background: #6ec1e4;
    color: #181a20;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background 0.2s;
}
.wiki-link:hover {
    background: #4fa3d1;
}
.notice {
    margin-top: 2rem;
    padding: 1rem;
    background: #2d303d;
    border-radius: 8px;
    text-align: center;
}
.notice h3 {
    color: #f7b731;
}
footer {
    text-align: center;
    padding: 1rem;
    background: #23263a;
    color: #a0a4b8;
    position: fixed;
    width: 100%;
    bottom: 0;
}