body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #ffffff;
    color: #333333;
}

.wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

main {
    margin-top: 70px;
    padding: 100px;
    background-color: #fff;
}

h1 {
    font-size: 2em;
    margin-bottom: 20px;
    text-align: center;
}

h2 {
    font-size: 1.5em;
    color: #444444;
    margin-top: 20px;
}

h3 {
    font-size: 1.3em;
    margin-top: 15px;
}

p {
    margin-bottom: 10px;
}
img.process-layout,img.equipment-flowchart,img.floor-plan,img.high-speed-mixer,img.weighing-hopper,img.pharmaceutical-plant-photo,img.fluidized-bed-dust-processing,img.fluidized-bed-auto-dryer,img.drum-quantitative-feeding-dryer,img.high-speed-granulator,img.horizontal-cutting-blade {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px auto;
    border: 1px solid #dddddd;
    padding: 10px;
}

article {
    margin-bottom: 20px;
}

@media screen and (max-width: 768px) {
    .wrapper {
        width: 95%;
    }

    header, footer {
        padding: 10px 0;
    }

    main {
        margin-top: 80px;
        padding: 20px;
        background-color: #fff;
    }
}