body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
}

.banner-background {
    background: linear-gradient(135deg, #0a4b78 0%, #083d61 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero {
    padding: 80px 0;
}

    .hero:before {
        content: '';
        position: absolute;
        right: -5%;
        top: -10%;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
        z-index: 0;
    }

    .hero:after {
        content: '';
        position: absolute;
        left: -5%;
        bottom: -10%;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
        z-index: 0;
    }

.guides-container {
    padding: 60px 0;
}

.guide-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .guide-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    }

.guide-card-header {
    padding: 20px;
    background-color: white;
    border-bottom: 1px solid #eee;
}

    .guide-card-header h4 {
        margin: 0;
        color: #0a4b78;
        font-weight: 600;
        font-size: 1.1rem;
    }

.guide-card a {
    color: #0a4b78;
    text-decoration: none;
    display: flex;
    align-items: center;
}

    .guide-card a:hover {
        color: #083d61;
    }

    .guide-card a i {
        margin-right: 10px;
        font-size: 1.2rem;
    }

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

    .section-title h2 {
        color: #333;
        font-weight: 600;
    }

    .section-title p {
        color: #666;
        max-width: 800px;
        margin: 15px auto 0;
    }

.device-type {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 40px;
}

    .device-type h3 {
        color: #0a4b78;
        margin-bottom: 20px;
        font-weight: 600;
        display: flex;
        align-items: center;
    }

        .device-type h3 i {
            margin-right: 10px;
        }

.need-help {
    background-color: #0a4b78;
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-top: 40px;
}

    .need-help h3 {
        margin-bottom: 20px;
        font-weight: 600;
    }

    .need-help p {
        max-width: 700px;
        margin: 0 auto 30px;
    }

.btn-primary {
    background-color: #ff9800;
    border-color: #ff9800;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

    .btn-primary:hover {
        background-color: #e88e00;
        border-color: #e88e00;
        transform: translateY(-2px);
    }

.btn-outline-light:hover {
    transform: translateY(-2px);
}