.body-404 {
    background: #ecfbff;
    color: #333;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
}

.container-404 {
    display: flex;
    flex-direction: row;
    max-width: 1100px;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: 40px;
    flex-wrap: wrap;
}

.left-404 {
    flex: 1;
    min-width: 300px;
}

    .left-404 h1 {
        font-size: 64px;
        font-weight: 700;
        color: #1d1d1d;
    }

        .left-404 h1 span {
            color: var(--theme-color);
        }

    .left-404 p {
        font-size: 18px;
        margin: 20px 0;
        color: #666;
    }

.right-404 {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.illustration-404 {
    width: 100%;
    max-width: 500px;
    height: auto;
}
.btn-home-404 {
    display: inline-block;
    background: var(--theme-color);
    color: #fff;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    transition: 0.3s ease;
}

    .btn-home-404:hover {
        background: #8c110c
    }