body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    color: #333;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/static/background.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: #f0f2f5;
    filter: blur(5px);
    -webkit-filter: blur(5px);
    z-index: -1;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: -1;
}


.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem 3.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    width: 100%;
    border: 1px solid rgba(224, 224, 224, 0.6);
    position: relative;
    z-index: 1;
}

h1 {
    color: #007bff;
    margin-bottom: 1.5rem;
    text-align: left;
    font-size: 2.5rem;
}

h2 {
    color: #1a2b3c; /* Темно-синий цвет для h2 */
    margin-top: 2.5rem;
    margin-bottom: 1.8rem;
    font-size: 1.8rem;
}

h3 {
    color: #495057;
    margin-top: 1.8rem;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.instructions {
    text-align: left;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(224, 224, 224, 0.6);
}

.instruction-step {
    margin-bottom: 2.5rem;
}

.instruction-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

p {
    line-height: 1.7;
    color: #555;
}

.instructions ul {
    list-style-type: none;
    padding: 0;
    margin-top: 1rem;
}

.instructions li {
    margin-bottom: 0.7rem;
}

.instructions li a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s;
}

.instructions li a:hover {
    text-decoration: underline;
    color: #0056b3;
}

.action-button {
    padding: 0;
    border: none;
    background-color: #007bff;
    color: #ffffff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.action-button a {
    display: block;
    padding: 0.8rem 1.8rem;
    color: #ffffff;
    text-decoration: none;
    white-space: nowrap;
    font-weight: bold;
}

.action-button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.additional-info {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(224, 224, 224, 0.6);
    text-align: left;
}

.additional-info p {
    line-height: 1.7;
    color: #555;
    margin-bottom: 1.2rem;
}

.additional-info p b {
    color: #333;
}

.button-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
    margin-top: 2rem;
}

@media (max-width: 600px) {
    .container {
        padding: 1.5rem;
    }
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
    h3 {
        font-size: 1.2rem;
    }
    .action-button {
        font-size: 1rem;
    }
    .action-button a {
        padding: 0.7rem 1.2rem;
    }
    .button-group .action-button {
        width: 100%;
    }
}