* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #4a9eff 0%, #1e3c72 100%);
    min-height: 100vh;
    color: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.hero-section {
    margin-bottom: 60px;
}

.content-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 900px;
    margin: 0 auto;
    gap: 60px;
}

.text-content {
    flex: 1;
    max-width: 600px;
}

.description {
    font-size: 28px;
    line-height: 1.6;
    font-weight: 500;
    text-align: left;
}

.product-image {
    flex: 0 0 auto;
    text-align: center;
}

.product-image img {
    max-width: 250px;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.cta-section {
    text-align: center;
    margin-bottom: 80px;
}

.buy-button {
    background: linear-gradient(135deg, #ffd700 0%, #ffb300 100%);
    color: #1a1a1a;
    font-size: 32px;
    font-weight: bold;
    padding: 20px 80px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    margin-bottom: 15px;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.buy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.official-website {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.guarantee-section {
    text-align: center;
    margin-bottom: 60px;
}

.guarantee-badge {
    margin-bottom: 20px;
}

.guarantee-badge img {
    max-width: 120px;
    height: auto;
}

.guarantee-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px;
    color: white;
}

.guarantee-text {
    max-width: 700px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.6;
}

.guarantee-text p {
    margin-bottom: 15px;
}

.signature {
    margin-top: 25px !important;
    font-style: italic;
}

.signature strong {
    font-style: normal;
    color: #ffd700;
}

.certifications {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.cert-badge img {
    max-width: 100px;
    height: auto;
    filter: brightness(1.1);
}

@media (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }

    .content-wrapper {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .description {
        font-size: 20px;
        text-align: center;
    }

    .product-image img {
        max-width: 250px;
    }

    .buy-button {
        font-size: 28px;
        padding: 18px 60px;
    }

    .certifications {
        gap: 25px;
    }

    .cert-badge img {
        max-width: 80px;
    }

    .guarantee-text {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .description {
        font-size: 18px;
    }

    .buy-button {
        font-size: 24px;
        padding: 15px 40px;
        width: 100%;
        max-width: 300px;
    }

    .certifications {
        gap: 20px;
    }

    .cert-badge img {
        max-width: 70px;
    }

    .guarantee-text {
        font-size: 14px;
    }

    .product-image img {
        max-width: 200px;
    }
}