/* 全局基础样式 */
* {
    -webkit-user-drag: none;
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-size: 0;
    overflow: hidden;
}

.desktop {
    color: #fff;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* 背景图固定填充 */
.fixed-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    object-fit: cover;
}

/* 内容整体布局 */
.content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* 顶部区域：logo + 联系方式 */
.top {
    padding: 40px 100px 10px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact {
    display: flex;
}

.contact img {
    width: 10vw;
    margin-right: 20px;
    cursor: pointer;
}

/* 底部区域：左右图用定位，中间二维码居中 */
.bottom {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    /* overflow: hidden; */
}

/* 左边宣传图 slg */
.slg {
    position: absolute;
    left: 2vw;
    top: 50%;
    transform: translateY(-50%);
    max-width: 30vw;
    width: 100%;
    object-fit: contain;
    z-index: 1;
}

/* 右边图 right_box */
.right_box {
    position: absolute;
    right: 1vw;
    top: 50%;
    transform: translateY(-50%);
    max-width: 30vw;
    width: 100%;
    height: auto;
    object-fit: contain;
    z-index: 1;
}

/* 中间二维码区域 */
.center {
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.text {
    width: 50vw;
}

.qrcode-box {
    position: relative;
    left: -4vw;
    bottom: -5vw;
    background: #fff;
    padding: 10px;
    border: 3px solid black;
    border-radius: 10px;
    transform: rotate(-10deg);
}

/* 修复二维码显示 */
#qrcode img {
    visibility: visible !important;
}

/* 可选提示文字样式 */
.qrcode_tip {
    font-size: 1vw;
    font-weight: 100;
    position: fixed;
    bottom: 1vw;
    margin-left: 0.5vw;
}

/* 按钮相关（如果未来你加按钮） */
.btn-box {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: space-around;
}

.btn-box .btn {
    display: inline-block;
    border: none;
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    font-size: 24px;
}

.btn-box img {
    width: 100%;
}

.btn-box .btn:hover {
    transform: translateY(-4px) scale(1.05);
}


/* ========== 轮播样式区分 ========== */

/* 第一组样式（索引0） */
.desktop.style-0 .slg {
    max-width: 30vw;
    left: 2vw;
    top: 50%;
}

.desktop.style-0 .right_box {
    max-width: 30vw;
    right: 1vw;
    top: 50%;
}

.desktop.style-0 .text {
    width: 50vw;
}

/* 第二组样式（索引1） */
.desktop.style-1 .slg {
    max-width: 22vw;
    left: 1vw;
    top: 20vw;
}

.desktop.style-1 .right_box {
    max-width: 45vw;
    right: -1vw;
    top: 20vw;
}

.desktop.style-1 .text {
    position: absolute;
    width: 40vw;
    left: 40%;
    top: 50%;
    transform: translate(-50%, -50%);
}

/* 第三组样式（索引1） */
.desktop.style-2 .slg {
    max-width: 30vw;
    left: 1vw;
    top: 20vw;
}

.desktop.style-2 .right_box {
    max-width: 40vw;
    right: -1vw;
    top: 20vw;
}

.desktop.style-2 .text {
    position: absolute;
    width: 40vw;
    left: 40%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.desktop.style-1 .qrcode-box,
.desktop.style-2 .qrcode-box {
    position: absolute;
    top: 13%;
    left: 46%;
    transform: translateX(-50%) rotate(-10deg);
    background: #fff;
    padding: 10px;
    border: 3px solid black;
    border-radius: 10px;
    z-index: 2;
    height: 175px;
}