* {
    padding: 0;
    margin: 0;
}

/* 禁用图片拖动 */
img {
    -webkit-user-drag: none;
    /* 禁用 Safari 和 Chrome 中的拖动 */
    user-drag: none;
    /* 禁用 Firefox 中的拖动 */
    -webkit-user-select: none;
    /* 禁用选中 */
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    /* 禁用文本选择 */
}

body {
    font-family: Arial, sans-serif;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

h1 {
    margin-bottom: 10px;
}

.desktop {
    position: relative;
    width: 100%;
    border-radius: 8px;
    min-height: 95vh;
    height: 100%;
}

.logo {
    width: 15vw;
}

.top {
    position: absolute;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 100px;
    z-index: 99;
    width: 100%;
}

.tab-banner {
    position: relative;
    width: 100%;
    height: 100%;

}

.tab-banner img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    object-fit: cover;
}

.cooperate {
    color: #666666;
    cursor: pointer;
    font-size: 22px;
    font-weight: 500;
}

.group {
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
}

.group img {
    width: fit-content;
}

.search {
    position: absolute;
    left: 50%;
    top: 80%;
    transform: translate(-50%, -50%);

}

.search img {
    width: fit-content;
    cursor: pointer;
}

.search_text_container {
    overflow: hidden;
    height: 50px;
    /* 容器高度，等于单行文字高度 */
    flex: 1;
    position: relative;
    top: -58px;
    left: 210px;
}

/* 滚动内容 */
.search_text_wrapper {
    display: flex;
    flex-direction: column;
    transition: transform 500ms;
    /* 平滑过渡效果 */
}

.search_text {
    color: #9A9A9A;
    font-size: 24px;
    line-height: 50px;
    /* 与容器高度一致 */
    white-space: nowrap;
}

.bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 35vh;
    margin-top: 5px;
}

.bottom div {
    flex: 1;
    text-align: center;
    padding: 10px;
    margin-right: 4px;
    height: 100%;
}

.bottom .ml {
    margin: 0;
}

.fixed {
    position: fixed;
    top: 80%;
    right: 4vw;
    width: 210px;
    transform: translateY(-50%);
    padding: 10px;
    z-index: 9;
}

.qrlogo {
    position: absolute;
    top: 40%;
    left: 53%;
    transform: translate(-50%, -50%);
}

.qrlogo img {
    width: 60px;
    border-radius: 10px;
}

.fixed div {
    text-align: center;
}

.service .commercial {
    width: 3vw;
}

.recommend {
    color: #fff;
    font-size: 20px;
    margin-top: 20px;
}

.join {
    font-size: 16px;
    color: #fff;
    margin-top: 10px;
}

.qrcode-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    width: 220px;
    height: 220px;
    padding: 20px;
    box-sizing: border-box;
}