.wfv-box {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    padding: 15px 20px;
    margin: 20px 0;
    line-height: 1.8;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}
.wfv-content {
    flex: 1;
    min-width: 200px;
}
.wfv-tips {
    font-size: 15px;
    color: #166534;
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
}
.wfv-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.7;
    margin: 4px 0 8px;
}
.wfv-hl {
    color: #166534;
    font-weight: 600;
}
.wfv-form {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
}
.wfv-label {
    font-size: 14px;
    color: #166534;
    font-weight: 600;
    white-space: nowrap;
}
.wfv-input {
    width: 140px !important;
    height: 36px;
    line-height: 36px;
    padding: 0 10px;
    border: 1px solid #bbf7d0 !important;
    border-radius: 6px !important;
    font-size: 14px;
    outline: none;
    background: #fff;
    transition: border-color .2s;
    box-sizing: border-box;
}
.wfv-input:focus {
    border-color: #22c55e !important;
    box-shadow: 0 0 0 2px rgba(34,197,94,.15);
}
.wfv-btn {
    height: 36px;
    line-height: 36px;
    padding: 0 16px;
    background: #22c55e;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: background .2s;
}
.wfv-btn:hover {
    background: #16a34a;
}
.wfv-btn:disabled {
    opacity: .5;
    cursor: not-allowed;
}
.wfv-qr {
    flex-shrink: 0;
}
.wfv-qr img {
    width: 140px;
    height: 140px;
    border-radius: 6px;
    object-fit: cover;
}
.wfv-msg {
    font-size: 13px;
    margin-top: 4px;
    min-height: 18px;
}
.wfv-msg.error {
    color: #dc2626;
}
.wfv-msg.success {
    color: #166534;
}
.wfv-revealed {
}
@media (max-width: 600px) {
    .wfv-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 15px;
    }
    .wfv-form {
        flex-wrap: wrap;
        justify-content: center;
    }
    .wfv-qr img {
        margin: 0 auto;
    }
}