.cc-overlay {
    position: fixed; inset: 0; z-index: 999999;
    display: flex; align-items: center; justify-content: center;
    background: rgba(10, 12, 18, .55);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
.cc-card {
    width: 90%; max-width: 360px;
    background: #fff; border-radius: 16px; padding: 24px 22px;
    box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.cc-title { font-size: 16px; font-weight: 700; color: #1a1a1a; margin-bottom: 8px; }
.cc-desc { font-size: 13px; color: #888; margin-bottom: 12px; line-height: 1.6; }
.cc-value {
    font-size: 15px; font-weight: 600; color: #1a1a1a;
    background: #f5f6f8; border-radius: 8px; padding: 12px 14px;
    margin-bottom: 20px; word-break: break-all; text-align: center;
    border: 1px solid #eee;
}
.cc-btn-row { display: flex; gap: 10px; }
.cc-btn {
    flex: 1; padding: 10px 0; border-radius: 8px; border: none;
    font-size: 14px; cursor: pointer;
}
.cc-btn-ghost { background: #f0f1f3; color: #555; }
.cc-btn-ghost:hover { background: #e6e7ea; }
.cc-btn-primary { background: #4f7dff; color: #fff; }
.cc-btn-primary:hover { background: #3d6ae0; }