html,
body {
    padding: 0;
    margin: 0;
    background: #fff;
}

ul,
li {
    list-style: none;
    padding: 0;
    margin: 0;
}

p {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

button {
    outline: none;
}

.flex-row-layout {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.container {
    width: 100%;
    height: 100%;
    position: relative;
}

/* 设置滚动条的样式 */
::-webkit-scrollbar {
    width: 1px;
}

/* 滚动槽 */
::-webkit-scrollbar-track {
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
    background: #bbb;
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
}

.fade-in-section {
    opacity: 0;
    transform: translateY(20vh);
    visibility: hidden;
    transition: opacity 1200ms ease-out, transform 600ms ease-out,
        visibility 1200ms ease-out;
    will-change: opacity, transform, visibility;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
    visibility: visible;
}