/* Reset CSS chuẩn cho Mobile-First */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}
input, button, textarea, select {
    font: inherit;
}
a {
    color: inherit;
    text-decoration: none;
}
ul, ol {
    list-style: none;
}
table {
    border-collapse: collapse;
    width: 100%;
}