body {
    margin: 0;
    padding: 0;
    background: #f9f9fb;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    color: #222;
}
.outer {
    max-width: 640px;
    margin: 0 auto;
    padding: 80px 20px 40px;
    text-align: center;
}
.box {
    background: #fff;
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.icon {
    width: 80px;
    margin-bottom: 20px;
}
h1 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #222;
}
.desc {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
}
.copy-wrap {
    position: relative;
    margin-bottom: 20px;
}
.url-input {
    width: 100%;
    padding: 12px;
    font-size: 13px;
    border: 1px solid #ddd;
    background: #f3f3f3;
    border-radius: 6px;
    box-sizing: border-box;
    cursor: pointer;
}
.copy-notice {
    font-size: 12px;
    color: #0a0;
    margin-top: 6px;
    display: block;
}
.go-btn {
    display: inline-block;
    background: #000;
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
}
.footer {
    margin-top: 20px;
    font-size: 13px;
    color: #888;
}
.copyright {
    margin-top: 40px;
    font-size: 11px;
    color: #aaa;
    line-height: 1.6;
}