* {
    padding: 0;margin: 0;box-sizing: border-box;
}
ul, li {
    list-style: none;
}
::-webkit-scrollbar {
    width: 8px;  /* 垂直滚动条宽度 */
    height: 8px; /* 水平滚动条高度 */
}

/* 滚动条轨道 */
::-webkit-scrollbar-track {
    background: transparent; /* 透明背景 */
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
    background: #888; /* 灰色滑块 */
    border-radius: 4px; /* 圆角 */
}

/* 鼠标悬停在滑块上时 */
::-webkit-scrollbar-thumb:hover {
    background: #666; /* 深灰色 */
}
body {
    background-color: #3B2F2F;
    color: #FFF;
}

.simulation,.use,.select {
    margin: 50px 0;
}
.content {
    padding-top: 100px;
    padding-bottom: 100px;
    margin: 0 auto;
    max-width: 1440px;
}
.flex {
    display: flex;
    flex-wrap: wrap;
}
.content-half {
    width: 50%;
}
.content-33 {
    width: calc(33% - 20px * 2 / 3);
}
.gap-20 {
    gap: 20px;
    justify-content: space-between;
}

.header .content,
.image .content {
    padding-top: 20px;
    padding-bottom: 0px;
}

.image-left {
    padding-right: 5%;
}

.image-left video {
    width: 100%;
    border-radius: 20px;
}

.image-left h1 {
    font-size: 24px;
    margin-top: 10px;
}
.image-left h2 {
    font-size: 44px;
}

.image-left p {
    margin-top: 18px;
    opacity: 0.6;
}

.image-right  {
    padding: 80px 20px;
}
.image-right a {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0, 177, 255, 0.1);
    border: 2px dashed rgb(0, 177, 255);
    width: 100%;
    height: 100%;
    border-radius: 20px;
    padding: 36px;
    color: #FFF;
    text-decoration: none;
    font-size: 24px;
}
.image-right a p:not(.image-right-des) {
    margin-bottom: 20px;
}
.image-right a .image-right-des {
    opacity: 0.6;
    font-size: 16px;
    margin-top: 5px;
}

.simulation h2,
.use h2,
.select h2 {
    margin: 0px 0px 50px;
    font-weight: 700;
    background: linear-gradient(122.13deg, rgb(0, 177, 255) 0%, rgb(255, 255, 255) 100%) text;
    -webkit-text-fill-color: transparent;
    font-size: 26px;
    text-align: center;
}

.simulation img {
    width: 100%;
}

.simulation .flex {
    align-items: center;
}

.simulation .flex>div:first-child {
    padding-right: 20px;
}

.simulation h3 {
    font-size: 32px;
}

.simulation p {
    margin-top: 10px;
    font-size: 18px;
    opacity: 0.6;
}

.use {
    background-color: #0F2B34;
    border-radius: 24px;
    text-align: center;
}
.use .content-33 {
    padding: 30px 20px;
    background-color: rgba(0, 177, 255, 0.15);
    border-radius: 20px;
}
.use img {
    margin: 0 auto;
    width: 80px;
    height: 80px;
}
.use .title {
    text-align: left;
    margin-top: 20px;
    color: rgb(192, 129, 255);
    font-weight: 700;
    font-size: 16px;
}
.use h3 {
    text-align: left;
    font-size: 20px;
}

.use p {
    text-align: left;
    margin: 15px 0px 0px;
    color: rgb(230, 230, 230);
    font-weight: 500;
    font-size: 14px;
}

.select img {
    width: 40px;
    height: 40px;
}
.select h3 {
    margin-top: 10px;
    font-size: 24px;
    min-height: 64px;
}

.select .line {
    width: 100%;
    height: 2px;
    margin-top: 16px;
    margin-bottom: 16px;
    background: linear-gradient(81.59deg, rgb(84, 216, 255) 0%, rgb(155, 91, 254) 100%);
}

.select p {
    font-size: 16px;
}

.footer li {
    margin-top: 10px;
}
.footer a {
    color: #FFF;
}


@media (max-width: 1280px) {
    .content {
        padding: 0 20px;
    }
    .image-right  {
        padding: 20px;
    }
    .image-left {
        padding-right: 0;
    }
    .content-half,
    .content-33 {
        width: 100%;
    }
    .simulation h3 {
        margin-top: 20px;
    }
    .simulation img {
        display: none;
    }
    .use {
        padding: 20px 0;
    }
}