Html 如何获得一个背景图像，不是模糊的内部容器，但模糊的外部'

.bg-image {
    position: fixed;
    display: inline-block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: scale(1.1);
    background-image: url("https://i.ibb.co/DWvpCWD/login-bg.jpg");
    filter: blur(3px);
    -webkit-filter: blur(3px);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.bg-text {
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    font-weight: 500;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    padding: 40px;
    display: flex;
    justify-content: center;
    border-radius: 3px;
    width: 90%;
    max-width: 300px;
}

<div class="bg-image"></div>
<div class="bg-text">
    <div class="row">
        <div class="login-register">
            <a href="/login" class="active">Login</a>
            <a href="/register">Register</a>
        </div>

        <div>
            <form action="post" class="form">
                <div class="input-group">
                    <label for="username">Username</label>
                    <input type="text" name="username">
                </div>
                <div class="input-group">
                    <label for="password">Password</label>
                    <input type="password" name="password">
                </div>

                <div class="checkbox">
                    <input class="checkbox-effect checkbox-effect-1" id="get-up-1" type="checkbox" name="remember">
                    <label for="get-up-1">Remember Me</label>
                </div>

                <button type="submit">Login</button>

                <a class="forgot-password" href="">Forgot Password?</a>
            </form>
        </div>
    </div>
</div>